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Registros recuperados: 9
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Nuclear calcium signaling: a cell within a cell BJMBR
Rodrigues,M.A.; Gomes,D.A.; Nathanson,M.H.; Leite,M.F..
Calcium (Ca2+) is a versatile second messenger that regulates a wide range of cellular functions. Although it is not established how a single second messenger coordinates diverse effects within a cell, there is increasing evidence that the spatial patterns of Ca2+ signals may determine their specificity. Ca2+ signaling patterns can vary in different regions of the cell and Ca2+ signals in nuclear and cytoplasmic compartments have been reported to occur independently. No general paradigm has been established yet to explain whether, how, or when Ca2+ signals are initiated within the nucleus or their function. Here we highlight that receptor tyrosine kinases rapidly translocate to the nucleus. Ca2+ signals that are induced by growth factors result from...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Calcium; Proliferation; Receptor tyrosine kinases; Nucleus.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2009000100004
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Cytochemical study of Rhodnius neglectus and Rhodnius prolixus salivary gland cells (Hemiptera, Triatominae) Iheringia, Sér. Zool.
Anhê,Ana C. B. M.; Lima-Oliveira,Ana P. M.; Azeredo-Oliveira,Maria T. V..
Triatomines are hematophagous bugs of medical interest in South and Central America, where they may act as invertebrate hosts of the hemoflagellate protozoa Trypanosoma cruzi (the causative of Chagas’ disease) and Trypanosoma rangeli (Tejera, 1920). Triatomines of Rhodnius genus have salivary gland formed by two close and independent units: the principal and the accessory. This gland secretes saliva that abounds in substances that facilitate and permit feeding. Despite this importance, there are few reports on its cytochemistry. In purpose of amplifying this understanding, in this work it was investigated the nuclear structures (chromatin and nucleolar corpuscles) of salivary gland cells of Rhodnius neglectus (Lent, 1954) and Rhodnius prolixus (Stål,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gland; Morphology; Chromatin; Nucleolus; Nucleus.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212014000400002
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Cytoskeleton, endoplasmic reticulum and nucleus alterations in CHO-K1 cell line after Crotalus durissus terrificus (South American rattlesnake) venom treatment J. Venom. Anim. Toxins incl. Trop. Dis.
Tamieti,B. P.; Damatta,R. A.; Cogo,J. C.; Da Silva,N. S.; Mittmann,J.; Pacheco-Soares,C..
Snake venoms are toxic to a variety of cell types. However, the intracellular damages and the cell death fate induced by venom are unclear. In the present work, the action of the South American rattlesnake Crotalus durissus terrificus venom on CHO-K1 cell line was analyzed. The cells CHO-K1 were incubated with C. d. terrificus venom (10, 50 and 100g/ml) for 1 and 24 hours, and structural alterations of actin filaments, endoplasmic reticulum and nucleus were assessed using specific fluorescent probes and agarose gel electrophoresis for DNA fragmentation. Significant structural changes were observed in all analyzed structures. DNA fragmentation was detected suggesting that, at the concentrations used, the venom induced apoptosis.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cell culture; Actin filaments; Nucleus; Endoplasmic reticulum; Crotalus; Rattlesnake venom; Apoptosis.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992007000100004
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Procedures for the Seed Production of PearlMillet Varieties Open Agri
D.J..
Palavras-chave: Millets; Nucleus; Breeders seed; Cross pollination; Self pollination; Seed production; Seed treatment; Hybrids; Land resources; Breeds (animals).
Ano: 1984 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/4017
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Effect of improved crop production technology on pigeonpea yield in resource poor rainfed areas Open Agri
Ramakrishna, A. Rao, C.S.,( Ch Srinivasa Rao ).
Palavras-chave: Pigeonpeas; Production technology; Rhizobium; Zinc; On-farm research; Sowing rates; Nucleus; Soil analysis; Watersheds; Seed treatment.
Ano: 2005 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3237
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Seed production procedures in sorghum and pearl millet Open Agri
Palavras-chave: Seed production; Hybrids; Nucleus; Breeders seed; Millets; Sorghum; Self pollination; Cross pollination; Pure lines; Land resources.
Ano: 1999 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/4213
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Use of 2n pollen in generating interspecific derivatives of groundnut Open Agri
Mallikarjuna, N..
Palavras-chave: Genomes; Polyploidy; Nucleus; Hybrids; Chromosome number; Chromosomes; Mosses; Meiosis; Cytogenetics; DNA.
Ano: 2006 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3176
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Procedures for the seed production of pearl millet varieties Open Agri
D.J..
Palavras-chave: Millets; Nucleus; Breeders seed; Cross pollination; Self pollination; Seed production; Seed treatment; Hybrids; Land resources; Breeds (animals).
Ano: 1984 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/4163
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Seed production procedures in sorghum and pearl millet Open Agri
S C.
Palavras-chave: Seed production; Hybrids; Nucleus; Breeders seed; Millets; Sorghum; Self pollination; Cross pollination; Pure lines; Land resources.
Ano: 1999 URL: http://agropedia.iitk.ac.in/openaccess/?q=node/3163
Registros recuperados: 9
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