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VARANDA,E. A.; TAVARES,D. C.. |
Since 1949, a great deal of research has been carried out on the radioprotective action of chemical substances. These substances have shown to reduce mortality when administered to animals prior to exposure to a lethal dose of radiation. This fact is of considerable importance since it permits reduction of radiation-induced damage and provides prophylactic treatment for the damaging effects produced by radiotherapy. The following radioprotection mechanisms were proposed: free radical scavenger, repair by hydrogen donation to target molecules, formation of mixed disulfides, delay of cellular division and induction of hypoxia in the tissues. Radioprotective agents have been divided into four major groups: the thiol compounds, other sulfur compounds,... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Radiation; Protective agents; Honeybee venom. |
Ano: 1998 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-79301998000100002 |
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LIPPS,B. V.. |
Pharmacological substances such as adenosine deaminase (ADA), collagen, histamine, IgE, myoglobin, and nerve growth factor (NGF) are endogenously present in animals. Research from this laboratory reported decreased levels of ADA, histamine, IgE, and NGF in organs of mice injected with sub-lethal doses of cobra venom. The goal of this research is to observe the levels of ADA, collagen, histamine, IgE, myoglobin, and NGF in certain organs of mice injected with venom from the bee Apis mellifera. Adult Balb/c female mice IM injected with half lethal dose of bee venom were sacrificed after 2 and 8 hours for removal of organs. The homogenates of the organs were assayed by ELISA for ADA, collagen, histamine, IgE, myoglobin, and NGF using respective antisera.... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Honeybee venom; Adenosine deaminase; Collagen; Histamine; IgE; Myoglobin; Nerve growth factor. |
Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-79302002000200006 |
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Karimzadeh,Latifeh; Nabiuni,Mohammad; Kouchesfehani,Homa Mohseni; Adham,Hamed; Bagheri,Amir; Sheikholeslami,Azar. |
Background : Polycystic ovarian syndrome (PCOS) is a low-grade inflammatory disease characterized by hyperandrogenemia, hirsutism, chronic anovulation and vascular disorder. Interleukin-6 (IL-6), cyclooxygenase-2 (COX-2) and vascular endothelial growth factor (VEGF) are triggered by inflammatory stimuli and lead to angiogenesis and pathogenesis of the ovary. Honeybee venom (HBV) contains an array of biologically active components possessing various pharmaceutical properties. This study was designed to assess the possibility of HBV application as an anti-inflammatory therapeutic agent to suppress levels of the main inflammatory mediators IL-6, COX-2 and VEGF. To induce PCOS, 1 mg of estradiol valerate (EV) per 100 g of body weight was subcutaneously (SC)... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Polycystic ovarian syndrome; Honeybee venom; Interlukin-6; Cyclooxygenase-2; Vascular endothelial growth factor. |
Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992013000100317 |
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