Consulta: subjectFacets:"Scorpion"
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SCORPIONS, SCORPIONISM, LIFE HISTORY STRATEGIES  AND PARTHENOGENESIS
Provedor de dados: 79
Autores: LOURENÇO,W.R.; CUELLAR,O.
Recently public health problems resulting from scorpion stings have shown an alarming increase in various tropical and subtropical countries such as Brazil, Mexico, Tunisia and Morocco. In some regions of Brazil, particularly in the States of Minas Gerais, São Paulo, Bahia, Goiás and the Federal District, more than 6000 scorpion stings with over 100 deaths were reported during a three-year period. In this paper, we attempt to demostrate the effects of human activities on the environment and their consequences on the distribution of dangerous species of scorpions. This topic is discussed in relation to the evolutionary ecology, life history strategies and asexual reproduction of scorpions.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpionism; Scorpion; Life history strategy; Parthenogenesis; Brazil.
Ano: 1995
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-79301995000200002

The scorpion families and their geographical distribution
Provedor de dados: 79
Autores: LOURENÇO,W. R.
A synoptic table is proposed for the families and genera of scorpions currently regarded as valid. Because there is considerable disagreement about the classification of scorpions, many changes are to be expected in the future. The classification proposed here is followed by considerations regarding the geographical distribution of each family.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Families; Genera; Check-list; Classification; Geographical distribution.
Ano: 2001
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-79302001000100002

Histopathological changes in albino mouse testis induced by the administration of Tityus n. sp. venom
Provedor de dados: 79
Autores: PENNA-VIDEAÚ,S.; CERMEÑO-VIVAS,J.; MORENO-MARVAL,M.; QUIROGA-NOTTI,M.
Scorpion envenoming is a public health concern in northeastern Venezuela. Specimens of the genus Tityus are responsible for most of these. In experimental animals, Tityus venom produces histopathological changes in the skeletal muscle and pancreas, but its toxicity to the reproductive system has not been studied. The aim of this work is to describe the histopathological changes in testis and epididymis of albino mice induced by the administration of Tityus n. sp. venom. Sub-lethal doses of venom (3.75 mg/g mouse) were administered intramuscularly (IM) daily for 4 days. On the fifth day, the animals were sacrificed and the testes and epididymes were quickly removed and processed for light microscopy. The venom induced alterations in spermatogenesis. Sertoli...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Testis; Sertoli cell; Epididymis; Scorpion; Venom; Mouse; Histopathology.
Ano: 2000
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-79302000000200003

The presence of pharmacological substances myoglobin and histamine in venoms
Provedor de dados: 79
Autores: LIPPS,B. V.; KHAN,A. A.
It is well documented that several pharmacological substances are released within the victim's body after snakebite. These substances are also believed to be endogenously present in animals, specifically levels of myoglobin and histamine that are reported to rise after envenomation. However, there is no published data regarding the presence of these substances in venoms per se. This research reports the detection of myoglobin and histamine in snake, scorpion, honeybee, and toad venoms by immunological test. It is unlikely that the rise in levels of myoglobin and histamine is due to that added from the bite, since a single toxin devoid of such components is capable of elevating levels of these substances. Nonetheless, it is likely that the rise in levels of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Myoglobin; Histamine; Snake; Honeybee; Scorpion; Toad; Venom; Crotalus atrox; Crotalus polystictus; Naja kaouthia; Oxyuranus s. scutellatus; Actinopyga agassizi; Bufo arenarum; Androcetonus australis; Apis mellifera.
Ano: 2001
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-79302001000100004

The description of Tityus caripitensis. A new venezuelan scorpion (scorpionida, buthidae)
Provedor de dados: 79
Autores: QUIROGA,M.; DE SOUSA,L.; PARRILLA-ALVAREZ,P.
This paper describes a new species of scorpion of the Tityus genus, Tityus caripitensis (Scorpionida: Buthidae). This species can be found in Caripito, Bolívar municipality of Monagas State, Venezuela. The number of species of Tityus genus in Venezuela has increased to 37 with the inclusion of Tityus caripitensis. A diagnosis of the most significant morphological characteristics of both males and females of this new species, which has been causing serious envenomings in the Bolívar and Punceres municipalities, has been carried out.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Tityus; New species; Venezuela.
Ano: 2000
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-79302000000100007

INSULIN ADMINISTRATION IN SEVERE SCORPION ENVENOMING
Provedor de dados: 79
Autores: YUGANDHAR,B.; RADHA KRISHNA MURTHY,K.; SATTAR,S. A.
The efficacy of insulin-glucose infusion in reversing myocardial damage, haemodynamic changes, peripheral circulatory failure, and pulmonary oedema was evaluated in 25 victims of venomous scorpion stings from the Rayalaseema region in the south of India. Myocardial damage with peripheral circulatory failure was seen in all scorpion sting victims. Ten of these victims also had pulmonary oedema. All the patients received continuous infusion of regular crystalline insulin at the rate of 0.3 U/g of glucose and glucose at the rate of 0.1 g/kg/h with supplementary potassium as needed, inotropic agents, oxygen, as well as maintenance of fluid, electrolytes and acid-base balance. Insulin-glucose infusion was associated with reversal of cardiovascular and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Myocardial damage; Pulmonary oedema; Insulin-glucose infusion; Peripheral circulatory failure.
Ano: 1999
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-79301999000200007

Incidence and severity of scorpion stings in Algeria
Provedor de dados: 80
Autores: Laïd,Y; Boutekdjiret,L; Oudjehane,R; Laraba-Djebari,F; Hellal,H; Guerinik,M; Griene,L; Alamir,B; Merad,R; Chippaux,JP.
Scorpion stings are a public health problem in the Maghreb region. In Algeria, epidemiological data were collected over the past twenty years by the Algerian health authorities. This study is an analysis of morbidity and mortality data collected from 2001 to 2010. Annual incidence and mortality due to scorpion envenoming were 152 ± 3.6 stings and 0.236 ± 0.041 deaths per 100,000 people (95% CI), respectively. The risk of being stung by a scorpion was dramatically higher in southern areas and central highlands due to environmental conditions. Incidence of envenoming was especially higher in the adult population, and among young males. In contrast, mortality was significantly higher among children under 15 years, particularly ages 1-4. Upper limbs were more...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Stings; Envenoming; Deaths; Epidemiology; Management; Algeria.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992012000400008

Arthropod venom Hyaluronidases: biochemical properties and potential applications in medicine and biotechnology
Provedor de dados: 80
Autores: Bordon,Karla C F; Wiezel,Gisele A.; Amorim,Fernanda G.; Arantes,Eliane C.
AbstractHyaluronidases are enzymes that mainly degrade hyaluronan, the major glycosaminoglycan of the interstitial matrix. They are involved in several pathological and physiological activities including fertilization, wound healing, embryogenesis, angiogenesis, diffusion of toxins and drugs, metastasis, pneumonia, sepsis, bacteremia, meningitis, inflammation and allergy, among others. Hyaluronidases are widely distributed in nature and the enzymes from mammalian spermatozoa, lysosomes and animal venoms belong to the subclass EC 3.2.1.35. To date, only five three-dimensional structures for arthropod venom hyaluronidases (Apis mellifera and Vespula vulgaris) were determined. Additionally, there are four molecular models for hyaluronidases fromMesobuthus...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hyaluronidase; Scorpion; Spider; Caterpillar; Hymenoptera; Insects; Cloning; Heterologous expression; PEGylation; Biotechnological applications.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992015000100214

Euscorpius (Scorpiones, Euscorpiidae): three cases of stings in northwestern Italy
Provedor de dados: 80
Autores: Dutto,M; Dutto,L; Scaglione,N; Bertero,M.
In the period between June 2008 and August 2009, three cases of stings of Euscorpius scorpions indigenous to Italy were treated at two different emergency departments (ED) in hospitals of the Piedmont region, northwest Italy: Santa Croce e Carle General Hospital in Cuneo, and Santissima Annunziata Hospital in Savigliano. Scorpion stings in Italy are rare and not well documented in the literature; this situation may raise doubts among medical personnel as to how such lesions are best treated. Analysis of the incidents confirms that the venom of Euscorpius do not provokes systemic poisoning in humans and in these cases even dermatological reactions were not significant.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Euscorpius; Scorpion; Sting; Scorpionism; Venom; Poisoning; Italy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992010000400018

In vivo pharmacological study on the effectiveness of available polyclonal antivenom against Hemiscorpius lepturus venom
Provedor de dados: 80
Autores: Jalali,A; Pipelzadeh,M H; Seyedian,R; Rahmani,A H; Omidian,N.
The available Razi Institute antivenom is still, empirically, used by intramuscular (IM) administration for the treatment of scorpion stings in humans by six medically dangerous species including Hemiscorpius lepturus (H. lepturus). The aim of this study was to assess the neutralizing ability and effectiveness of the antivenom in inhibiting hemoglobinuria, biochemical changes, increased microalbuminuria and urinary lactate dehydrogenase (LDH) following H. lepturus sting. Simultaneous intramuscular administration of 10 μL and 100 μL of antivenom, after 24 hours, had no significant preventive effect on the extent and degree of hemoglobinuria or proteinuria produced in venom-treated rats. After IM administration of antivenom, no significant changes in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Hemiscorpius lepturus; Scorpion; Venom; Hemolysis; Antivenom.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992011000200004

Histology and histochemistry of the venom apparatus of the black scorpion Androctonus crassicauda (Olivier, 1807) (Scorpiones: Buthidae)
Provedor de dados: 80
Autores: Jarrar,BM; Al-Rowaily,MA.
The venom apparatus of the black scorpion Androctonus crassicauda has been characterized histologically and histochemically in the present study. The results showed that this apparatus consists of paired venom glands, each of which initially presents its own canal and posteriorily both fuse into a single common one. Each gland is covered by a sheath of striated muscle and is lined with extensively folded secretory epithelium (formed of non-secretory and secretory venom-producing cells). The outcomes also revealed that the venom-producing cells of both glands produce neutral mucosubstances, sialomucins, sulfomucins and proteins, but are devoid of glycogen. Cysteine, tyrosine, tryptophan and arginine were also detected along with activities of acid and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Androctonus; Scorpion; Venom apparatus; Histochemistry; Phosphatases; Esterases; Peptidases.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992008000300010

Clinical and cardiovascular alterations produced by scorpion envenomation in dogs
Provedor de dados: 80
Autores: Cordeiro,F. F.; Sakate,M.; Fernandes,V.; Cuyumjian,P. R.
Scorpionism is a common problem that occurs in tropical and subtropical countries and assumes great medical-sanitary importance due to its fatal effect on sensitive individuals, being able to lead children and aged people to death. The envenomation lethal potential is responsible for the serious cardiopulmonary alterations the scorpion toxin produces in its victims. The present research evaluated the effects of Tityus serrulatus venom on dogs, using two distinct doses: a dose that simulates natural envenomation (0.4 mg/total dose), and an experimental dose (0.25 mg/kg). General clinical signs were observed at different moments after envenomation, and specific data related to the cardiopulmonary system were evaluated by systemic arterial pressure...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Dogs; Cardiopulmonary alterations; Tityus serrulatus.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992006000100003

Risk factors caused by scorpion stings and envenomations in the province of Kelâa Des Sraghna (Morocco)
Provedor de dados: 80
Autores: Hmimou,R; Soulaymani,A; Mokhtari,A; Arfaoui,A; Eloufir,G; Semlali,I; Soulaymani Bencheikh,R.
The present study aims to elucidate the risk factors involved in deaths caused by scorpion envenomation. A retrospective study was carried out in the province of Kelâa des Sraghna from 2003 to 2004. The hospital charts of scorpion envenomation cases treated in the Essalama Hospital in Kelâa des Sraghna were exhaustively analyzed. Our study contains 31 cases of death among 470 hospitalization cases. Most stings had occurred during the hot period peaking in July and August (54.6%). Moreover, the scorpion stings occurred at night in 60.1% of the cases, between 6:00 pm and 6:00 am. In addition, all age groups were affected by envenomation, with a higher frequency in children aged less than 15 years (68.3%). The envenomation rate (class II + class III) was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Morocco; Epidemiology; Kelâa province of Sraghna.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992008000400006

Fine structural analysis of the stinger in venom apparatus of the scorpion Euscorpius mingrelicus (Scorpiones: Euscorpiidae)
Provedor de dados: 80
Autores: Yigit,N; Benli,M.
In this study, the morphology, histology and fine structure of the stinger, a part of the venom apparatus of Euscorpius mingrelicus (Kessler, 1874) (Scorpiones: Euscorpiidae) were studied by light microscopy and transmission electron microscopy (TEM). The stinger, located at the end section of the telson, is sickle-shaped. The venom is ejected through a pair of venom pores on its subterminal portion. Both venom ducts extend along the stinger without contact with each other since they are separated by connective tissue cells. The stinger cuticle is composed of two layers. Additionally, there are many pore canals and some hemolymph vessels in the cuticle. This work constitutes the first histological and fine structure study on Euscorpius mingrelicus stinger.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Euscorpius mingrelicus; Telson; Stinger; Fine structure; Transmission electron microscopy.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992010000100008

Some arachnidan peptides with potential medical application
Provedor de dados: 80
Autores: De Lima,ME; Borges,MH; Verano-Braga,T; Torres,FS; Montandon,GG; Cardoso,FL; Peixoto,KDBA; Cardoso-Jr,HC; Benelli,MT.
The search for new active drugs that can alleviate or cure different diseases is a constant challenge to researchers in the biological area and to the pharmaceutical industry. Historically, research has focused on the study of substances from plants. More recently, however, animal venoms have been attracting attention and studies have been successful in addressing treatment of accidents. Furthermore, venoms and their toxins have been considered good tools for prospecting for new active drugs or models for new therapeutic drugs. In this review, we discuss some possibilities of using different toxins, especially those from arachnid venoms, which have shown some potential application in diseases involving pain, hypertension, epilepsy and erectile dysfunction....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Arachnidan toxins; Pain; Epilepsy; Cardiovascular effect; Priapism; Erectile function; Scorpion; Spider.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992010000100004

The venom gland of the scorpion species Euscorpius mingrelicus (Scorpiones: Euscorpiidae): morphological and ultrastructural characterization
Provedor de dados: 80
Autores: Yigit,N; Benli,M.
The histology and ultrastructure of venom glands in the scorpion Euscorpius mingrelicus (Kessler, 1874) are described and illustrated in the current study for the first time by employing light microscopy and transmission electron microscopy (TEM). The venom apparatus is composed of a pair of venom glands and a stinger, both situated in the last segment of the metasoma. The venom glands are completely separate but similar. The two glands are segregated within the telson by striated muscle bundles, and their outer surfaces are surrounded by a cuticle. An internal layer constitutes the secretory epithelium. This epithelium is made up of simple columnar cells. The nucleus and organelles involved in cellular synthetic activity are situated basally. In the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Euscorpius mingrelicus; Scorpion; Telson; Venom gland; Histology; Ultrastructure.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992008000300007

Envenomation by scorpion in dog: case report
Provedor de dados: 80
Autores: Cardoso,M. J. L.; Sakate,M.; Ciampolini,P.; Moutinho,F. Q.; Cherubini,A. L.
A case admitted at the Small Animals Clinics Service, Veterinary Hospital, FMVZ - UNESP, in May, 1999 is described. A Brazilian Terrier dog, 3 years and 3 months old, weighing 1.7 kg was brought after 2 hours and a half from contact with a scorpion (Tityus bahiensis). The dog showed vocalization inserted with drowsiness. Physical examination showed slightly hyperemic mucous, pain, agressiveness, tachypnea, tachycardia, and discrete erythema on the right forelimb palmar face. An anesthetic block was performed around the stung area using 2% lidocaine hydrochloride without vasoconstrictor (10mL). The animal was asymptomatic, after 24 h treatment.
Tipo: Info:eu-repo/semantics/report
Palavras-chave: Scorpion; Dog; Envenomation; Poisoning; Tityus bahiensis.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992004000100008

Evaluation of the neutralizing capacity of Androctonus crassicauda (Olivier, 1807) antivenom against Leiurus quinquestriatus (Ehrenberg, 1928) venom (Scorpiones: Buthidae)
Provedor de dados: 80
Autores: Ozkan,O; Adiguzel,S; Inceoglu,B; Lango,J; Ertek,M; Hammock,BD.
The two most venomous species of the family Buthidae, Leiurus quinquestriatus and Androctonus crassicauda, are found in Africa and in the Middle East. Potency and paraspecific activities of A. crassicauda antivenom (RSHC anti-Ac) were tested against L. quinquestriatus venom. The sera produced by Refik Saydam Hygiene Center (RSHC) showed strong reactivity against the venoms of A. crassicauda and L. quinquestriatus in western blotting and dot-blot analysis. RSHC anti-Ac presents immunoactivity and neutralizing potential against Leiurus quinquestriatus venom. Neutralization capacity of antivenom was found to be 400 µL against 40 minimum lethal doses (MLD) of A. crassicauda scorpion venom and 10 MLD of L. quinquestriatus venom. This study indicates that the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Androctonus crassicauda; Leiurus quinquestriatus; Venom; Monovalent antivenom; Paraspecific activity.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992008000300008

Predictive determinants of scorpion stings in a tropical zone of south Iran: use of mixed seasonal autoregressive moving average model
Provedor de dados: 80
Autores: Ebrahimi,Vahid; Hamdami,Esmael; Moemenbellah-Fard,Mohammad Djaefar; Jahromi,Shahrokh Ezzatzadegan.
Abstract  Background: More than 1.2 million scorpion stings occur annually worldwide, particularly in tropical regions. In the absence of proper medical care, mortality due to venomous scorpion stings is an important public health issue. The aim of the present study is to explore the temporal trend of scorpionism with time series models and determine the effective factors on this event using regression models.  Methods: A retrospective cross sectional study was conducted on 853 scorpion stung patients. They were referred to Haji-Abad Hospital of Hormozgan University of Medical Sciences (HUMS), south Iran, from May 2012 to July 2016. A linear model to describe and predict the monthly trend of scorpion sting cases is fit with autoregressive moving average...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Climate; Mixed seasonal ARMA; Regression analysis; Scorpion; Scorpion stings; Time series; Iran.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992017000100315

Courtship and mating of Scorpiops luridus Zhu Lourenço &amp;amp; Qi, 2005 (Scorpiones: Euscorpiidae) from Xizang province, China
Provedor de dados: 80
Autores: Jiao,GB; Zhu,MS.
In the current work, the courtship and mating of Scorpiops luridus Zhu Lourenço &amp;amp; Qi, 2005 (Euscorpiidae) from Xizang province (Tibet), China, were studied for the first time in the laboratory. Most of the mating behaviors in Scorpiops luridus are not remarkably different from those exhibited by other scorpions. However, for the first time a male pulling a female with its chelicerae to rapidly accomplish the sperm uptake was observed. Additionally, the sexual stinging behavior displayed by the male occurred in the initial stage, not during the promenade stage as previously described in several scorpion species. Through observation and analysis, we speculate that venom injection during sexual stinging is selective, possibly relying on the status...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Scorpiops; Courtship; Mating; Behavior.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992010000100015

Determination of potency and paraspecific effects of Androctonus crassicauda (Olivier, 1807) antivenom against Mesobuthus gibbosus (Brullé, 1832) venom (Scorpiones: Buthidae)
Provedor de dados: 80
Autores: Ozkan,O.; Adiguzel,S.; Kar,S.; Yakistiran,S.; Cesaretli,Y.; Karaer,K. Z.
Scorpion envenomation remains a real health problem in many countries. In scorpionism cases, it is often recommended that patients be treated with species-specific antivenom. Androctonus crassicauda venom has been used as antigen for antivenom production in Turkey, where this antivenom, called Turkish antivenom, has also been effective in the treatment of envenomation caused by species other than A. crassicauda. The present study aimed at determining the paraspecific effects and potency of the Turkish antivenom against Mesobuthus gibbosus (Brullé, 1832) venom. To assess the venom toxicity and the antivenom efficacy, we determined the Minimum Lethal Dose (MLD) and the Minimum Effective Dose (MED) instead of LD50 and ED50, respectively. Androctonus...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Antivenom; Androctonus crassicauda; Mesobuthus gibbosus; Paraspecific activity.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992007000200008

The Cuban scorpion Rhopalurus junceus (Scorpiones, Buthidae): component variations in venom samples collected in different geographical areas
Provedor de dados: 80
Autores: Rodríguez-Ravelo,Rodolfo; Coronas,Fredy I V; Zamudio,Fernando Z; González-Morales,Lidia; López,Georgina Espinosa; Urquiola,Ariel Ruiz; Possani,Lourival D.
Backgound The venom of the Cuban scorpion Rhopalurus junceus is poorly study from the point of view of their components at molecular level and the functions associated. The purpose of this article was to conduct a proteomic analysis of venom components from scorpions collected in different geographical areas of the country. Results Venom from the blue scorpion, as it is called, was collected separately from specimens of five distinct Cuban towns (Moa, La Poa, Limonar, El Chote and Farallones) of the Nipe-Sagua-Baracoa mountain massif and fractionated by high performance liquid chromatography (HPLC); the molecular masses of each fraction were ascertained by mass spectrometry analysis. At least 153 different molecular mass components were identified among...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cuba; Hyaluronidase; Peptides; Phospholipase; Proteomics; Rhopalurus junceus; Scorpion.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992013000100309

Effects of Androctonus crassicauda (Olivier, 1807) (scorpiones: buthidae) venom on rats: correlation among acetylcholinesterase activities and electrolytes levels
Provedor de dados: 80
Autores: Ozkan,O.; Adiguzel,S.; Kar,S.; Kurt,M.; Yakistiran,S.; Cesaretli,Y.; Orman,M.; Karaer,Z.
Scorpions can be considered living fossils because they have changed so little during the last 400 million years. They are venomous arthropods of the Arachnida class and regarded as relatives of spiders, ticks and mites. The aim of the present study was to evaluate the toxicity of Androctonus crassicauda (Olivier, 1807) venom and its effects on the acetylcholinesterase (AchE) activity and on electrolytes levels in rats. Animals were divided into seven groups of five rats each. Test groups received 250µg/kg of venom solution while control group was treated with 200µl of physiological saline solution (PSS). Blood samples were collected from the animals on the 1st, 2nd 4th, 8th, 12th, and 24th hours after subcutaneous injection of venom. Animals were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Androctonus crassicauda; Venom; Acetylcholinesterase; Electrolytes.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992007000100005

Symptom patterns in adult patients stung by scorpions with emphasis on coagulopathy and hemoglubinuria
Provedor de dados: 80
Autores: Rahmani,AH; Jalali,A.
The aim of this retrospective descriptive study was to highlight clinical manifestations 24-48 hours following referral of adult patients stung by scorpions. This study contains clinical records of 290 patients admitted to Razi Hospital due to scorpion stings in Ahvaz, Khuzestan province from 2004 to 2005. The most prevalent patient age range was 15-20 years (30.3%). The most common sting location (41.3%) was the upper extremity; nearly half (49.6%) had been admitted within 6-24 hours following sting, while a large majority (85.5%) were hospitalized for 24-48 hours. A total of 116 (40%) patients presented hemoglobinuria. Contrary to available prior reports, the symptoms in none of the patients were accompanied by neurological manifestations. Kidney...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Scorpion; Stings; Signs and symptoms; Coagulopathy; Hemoglobinuria.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992012000400011

Risk factors for scorpion stings in the beni mellal province of morocco
Provedor de dados: 80
Autores: Charrab,N; El Oufir,R; Soulaymani,A; Semlali,I; Mokhtari,A; Soulaymani,R.
Scorpion stings comprise a serious problem throughout the globe, especially in regions where they are more frequent. In Morocco, Beni Mellal is one of the provinces most affected by this burden. This study aimed to trace the epidemiological profile of scorpion stings in Beni Mellal in order to improve patient care and prevent both morbidity and mortality. Our work is a retrospective study of scorpion stings based on medical charts of Beni Mellal. From 2002 to 2007, 8,340 cases were registered in this province with an average incidence of 1.36‰. The stings were more frequent in summer months, particularly July and August, and between 6 p.m. and 6 a.m. (59.8%). The average age of victims was 26.54 ± 18.42 years. Children were affected in 30.3% of the cases....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Epidemiology; Scorpion; Register; Beni Mellal; Morocco.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992009000400009

Scorpions and life-history strategies: from evolutionary dynamics toward the scorpionism problem
Provedor de dados: 80
Autores: Lourenço,Wilson R.
Abstract This work aims to contribute to the general information on scorpion reproductive patterns in general including species that can be noxious to humans. Scorpions are unusual among terrestrial arthropods in several of their life-history traits since in many aspects their reproductive strategies are more similar to those of superior vertebrates than to those of arthropods in general. This communication focuses mainly on the aspects concerning embryonic and post-embryonic developments since these are quite peculiar in scorpions and can be directly connected to the scorpionism problem. As in previous similar contributions, the content of this communication is addressed mainly to non-specialists whose research embraces scorpions in several fields such as...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Reproductive strategies; Embryonic; Postembryonic development.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992018000100206

Cleaning behaviors in four scorpion species
Provedor de dados: 80
Autores: Jiao,GB; Zhu,MS.
Scorpions rely predominantly on mechanosensory and chemosensory organs to guide their orientation behaviors. Once sensory organs are affected by the presence of dirt such as clay or prey bodily fluid, scorpions may display a cleaning behavior to reduce or eliminate its influence on their sensory capabilities. In the laboratory, cleaning behaviors of two buthid species, Mesobuthus eupeus (Koch, 1839) and Mesobuthus caucasicus (Nordmann, 1840), and one euscorpiid species, Scorpiops luridus Zhu Lourenço &amp;amp; Qi, 2005 from China, were observed before and after feeding. Moreover, two distinct cleaning behaviors in Scorpiops luridus and three in Heterometrus petersii (Thorell, 1876) (Scorpionidae) were noted for several times during daily activities. Based...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Cleaning behavior; Cleaning means; Prey capture; Daily activity.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992010000200017

Individual variation in the protein profile of the venom of Mesobuthus gibbosus (Brullé, 1832, Scorpiones: Buthidae) from Turkey
Provedor de dados: 80
Autores: Ozkan,O; Ciftci,G.
Mesobuthus gibbosus (Brullé, 1832) scorpions were collected from the Mugla province in the Aegean region of Turkey and housed in individual boxes. After extraction, the venom composition was analyzed using gel electrophoresis (SDS-PAGE). Interestingly, all scorpion venom samples contained only one protein band (~68 kDa) in common. Two protein bands (30 and 98 kDa) were common in six venom samples and were absent in the other venoms. Furthermore, two different protein bands (28 and 45 kDa) were detected in seven venom samples. This study proposes possible variations in the composition of individual scorpion venom samples collected from the same geographic region, based on the electrophoretic profile. Additional studies will be necessary in order to assess...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Scorpion; Mesobuthus gibbosus; Venom; Protein; Turkey.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992010000300017

Divergences between the Brazilian national information systems for recording deaths from venomous animals
Provedor de dados: 80
Autores: Bochner,Rosany; Souza,Claudio Mauricio Vieira de.
Abstract  Background: This paper aims to highlight and analyze discrepancies in reporting of deaths due to venomous animals in Brazil, from 2001 to 2015, between two national information systems: The Notifiable Diseases Information System (Sistema de Informação de Agravos de Notificação - SINAN) and the Mortality Information System (Sistema de Informações sobre Mortalidade - SIM).  Methods: Descriptive and comparative study of the SINAN and SIM information systems, was conducted via the following steps: collecting the death notices from SINAN and SIM; constructing tables and comparative graphics; and, only in scorpion sting fatalities, analyzing the distribution of deaths by age group as described in the specialized literature.  Results: While SINAN...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Information system; Death; SINAN; SIM; Snake; Spider; Scorpion; Bee.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992019000100313

Selection of environmental temperature by the yellow scorpion Tityus serrulatus Lutz &amp;amp; Mello, 1922 (Scorpiones, Buthidae)
Provedor de dados: 80
Autores: Hoshino,K.; Moura,A. T. V.; De Paula,H. M. G.
The preferred temperature of the yellow scorpion Tityus serrulatus was investigated since its dispersion is a matter of concern. Adult T. serrulatus, weighing 1.24 + 0.20 g (mean + sd) and with a standard length of 59.3 + 2.5 mm, were used. A metallic corridor (120 cm long, 5 cm large and 10 cm high) with thermal gradient ranging from 0°C to 40°C was used. Tityus serrulatus chose and stayed in temperatures ranging from 14°C to 38°C when safe conditions were offered (dark and thigmotactic stimuli). The number of animals that remained in the 11°C-20°C, 21°C-30°C, and 31°C-40°C temperature zones were 8, 8, and 9, respectively. The chi-square test (degree of freedom = 2) showed that differences were not significant (p&gt;0.05). Some animals moved to lower...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Tityus serrulatus; Scorpion; Temperature; Thermal gradient; Zoogeography.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992006000100005

The evolution and distribution of noxious species of scorpions (Arachnida: Scorpiones)
Provedor de dados: 80
Autores: Lourenço,Wilson R.
Abstract This contribution attempts to bring some general information on the evolution and, in particular, on the geographic distribution of scorpion species noxious to humans. Since 95% of the scorpions incidents are generated by specimens of the family Buthidae C. L. Koch, the analysis will be limited to this familial group. As in previous similar contributions, the content of this work is mostly addressed to non-specialists whose research embraces scorpions in several fields such as venom toxins and public health. Only in recent years, efforts have been made to create better links between ‘academic scorpion experts’ and other academic non-specialists who use scorpions in their research. Even if a larger progress can yet be expected from such exchanges,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Noxious species; Patterns of distribution; Biased results; Buthidae.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992018000100201

Optimization of antiscorpion venom production
Provedor de dados: 80
Autores: Ozkan,O.; Adigüzel,S.; Ates,C.; Bozyigit,I.; Filazi,A.
The present study was carried out to produce highly efficient antivenom from a small number of telsons in a short time. Venom solution was prepared through maceration of telsons from Androctonus crassicauda (Olivier, 1807) collected in the Southeastern Anatolia Region, Turkey. Lethal dose 50% (LD50) of the venom solution injected into mice was 1 ml/kg (95% confidence interval; 0.8-1.3), according to probit analysis. Different adjuvants (Freund's Complete Adjuvant, Freund's Incomplete Adjuvant, and 0.4% aluminium phosphate), at increasing doses and combined with venom, were subcutaneously injected into horses on days 0, 14, 21, 28, 35, and 42 of the experiment. Antivenom was collected from the immunized horses on days 45, 48, and 51 using the pepsin...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Antivenom; Androctonus crassicauda.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992006000300004

A study on the genetic diversity of Androctonus crassicauda (Olivier, 1807; Scorpiones: Buthidae) from Turkey
Provedor de dados: 80
Autores: Ozkan,O; Ahmet,C; Zafer,K.
Mitochondrial DNA (mtDNA) has been widely employed in phylogeographic and phylogenetic studies. In the present study, the genetic identification of the scorpion Androctonus crassicauda (Olivier, 1807) was carried out by using the 16S mitochondrial gene, since this scorpion represents the most important species in Turkey regarding scorpionism and antivenom production. Two genetic groups were found according to the sequence analysis results, while five different loci at the nucleotide level presented genetic variation in the 16S region when compared to a known A. crassicauda sequence data (GenBank, AJ277598). Nucleotide variations found in the current work constitute the first descriptive report for A. crassicauda. Moreover, future studies may enlighten the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Androctonus crassicauda; PCR; Genotype; Turkey.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992010000400010

Parametric values of Androctonus crassicauda (Oliver, 1807) (scorpiones: buthidae) from Turkey
Provedor de dados: 80
Autores: Ozkan,O.; Adiguzel,S.; Kar,S.
The aim of the present study was to analyze the parametric values of Androctonus crassicauda (Oliver, 1807), the most significant scorpion species in Turkey. For this purpose, 11 male and 11 female A. crassicauda specimens were collected from Sanliurfa region. The body parts most important for species identification were measured by using sensitive calipers. Differences between sexes were statistically significant for pectinal organ length (female: 7.50±1.26mm;male: 8.63±1.05mm; p=0.033), pectinal tooth count (female: 25.36±0.86;male: 33.36±0.80; p=0.000), and carapace width (female: 10.27±1.19mm;male: 9.09±0.73mm; p=0.000). However, body length (female: 90.09±14.74mm;male: 82.95±5.40mm), abdomen width (female: 12.09±1.90mm;male: 11.09±0.88mm), and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Androctonus crassicauda; Morphometry; Turkey.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992006000400003

The first report of Tityus (Scorpiones: Buthidae) in Anzoátegui State, Venezuela: a new species
Provedor de dados: 80
Autores: Quiroga,M.; de Sousa,L.; Parrilla-Álvarez,P.; Manzanilla,J.
Tityus gonzalespongai n. sp. is a species endemic to the high mountains of Anzoátegui State, Venezuela. It is found between 1,600 and 2,200 m in ''La Laguna'' mountain. Its habitat includes the area of ''Bosque Húmedo Montano Bajo'' with the type of vegetation of ''Bosque Ombrófilo Montano Siempreverde'' (''Bosques Nublados Costeros'' that includes the ''Subpáramos Arbustivos''). It is distinguished from other Tityus species (T. caripitensis, T. monaguensis, and T. nororientalis) by the following characteristics: 1- the disposition of the trichobothria in the pedipalps; 2- ventral keels of the caudal segments of the metasoma (segment II, double and parallel in the proximal two thirds, then convergent and finally divergent in the base; segments III and IV,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Buthidae; Tityus gonzalespongai; New species; Turimiquire; Anzoátegui; Venezuela.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992004000100003

Scorpion incidents, misidentification cases and possible implications for the final interpretation of results
Provedor de dados: 80
Autores: Lourenço,Wilson R.
Abstract The aim of this contribution is to bring general information on the classification and in particular on the specific identification of scorpion species dangerous to humans. Several generic groups are taken into consideration, but the Neotropical genus Tityus C. L. Koch, 1836 is used as a major example. The content of this paper is mostly addressed to non-specialists whose research embraces scorpions in several fields such as venom toxins and public health. Although efforts have been made in the last 20 years to create better links between ‘true scorpion experts’ and non-specialists who use scorpions in their research, such exchanges had never led to a consensus among those different branches of biological and medical research. Consequently, many...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Dangerous species; Misidentification; Biased results; Buthidae; Tityus.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992016000100202

Anticoagulant and factor Xa-like activities of Tityus discrepans scorpion venom
Provedor de dados: 40
Autores: Brazón,Josmary; Guerrero,Belsy; Suze,D; Sevcik, Carlos,Gina; Arocha-Piñango,Carmen L.
Tityus discrepans venom (TdV) produces a variety of haemostatic manifestations including alveoli fbrin deposition and/ or prothrombin and partial thromboplastin time (PT, PTT) alterations in mammals. In vitro studies have demonstrated that TdV contains tissue plasminogen activator-like (t-PA), fbrinolytic and plasmin inhibitory compounds and produces platelets activation through GPVI and a novel Src-dependent signalling pathway. The aim of this study is to describe the initial characterization of procoagulant and anticoagulant components from TdV. This venom was fractionated by exclusion molecular chromatography on a Sephadex G-50 column. The eluted material was collected as fve fractions called S1 to S5. These fractions and the whole venom were used to...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Scorpion; Coagulation; Fibrinogen; Factor Xa.
Ano: 2013
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-37432013000100003

Hematological and biochemical profiles of rats submitted to experimental poisoning with Tityus serrulatus venom
Provedor de dados: 45
Autores: Pinto,M.C.L.; Melo,M.M.; Costa,M.E.R.; Labarrere,C.R.
The hematological and biochemical profiles of newly weaned rats submitted to experimental poisoning with T. serrulatus venom were evaluated. Fifteen recently weaned male Wistar rats (mean weight 130g) were distributed into three equal groups (n = 5). Animals in the control group (group A) received a subcutaneous injection of 400μL of ultra-pure water, while those in the experimental groups received, by identical route, 400μL of a solution containing 100μg (group B) or 450μg (group C) of scorpion venom dissolved in ultra-pure water. Red blood cells indexes, and differential leukocyte and total platelet counts were determined, together with levels of serum glucose, urea, creatinine, lactic dehydrogenase, aspartate aminotransferase, amylase, insulin, and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rat; Tityus serrulatus; Scorpion; Experimental envenoming; Hematology; Biochemestry.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352010000200015