Hematopoiesis, Kazal Inhibitors and Crustins in a Crustacean
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Crustacean hematopoiesis and the astakine cytokines.
Major contributions to research in hematopoiesis in invertebrate animals have come from studies in the fruit fly, Drosophila melanogaster, and the freshwater crayfish, Pacifastacus leniusculus. These animals lack oxygen-carrying erythrocytes and blood cells of the lymphoid lineage, which participate in adaptive immune defense, thus making them suitable model animals to study the regulation of b...
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Kazal-type serine proteinase inhibitors are found in a large number of living organisms and play crucial roles in various biological and physiological processes. Although some Kazal-type serine protease inhibitors have been identified in leeches, none has been reported from Hirudinaria manillensis, which is a medically important leech. In this study, a novel Kazal-type trypsin inhibitor was iso...
متن کاملAmino acid sequence elucidation of human acrosin-trypsin inhibitor (HUSI-II) reveals that Kazal-type proteinase inhibitors are structurally related to beta-subunits of glycoprotein hormones.
The amino acid sequence of the acrosin-trypsin inhibitor HUSI-II from human seminal plasma is presented which unequivocally identifies HUSI-II as being of Kazal-type. In addition, the HUSI-II sequence shows a striking similarity to the middle part of glycoprotein hormone beta-subunits thus revealing a hitherto unknown structural and evolutionary relationship between Kazal-type inhibitors and gl...
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In this study, Hespintor, a protein with unknown function, was screened and obtained from the hepatoblastoma cell line, HepG2, using suppression subtractive hybridization (SSH). Sequence analysis demonstrated that the protein is a novel secreting member of the Kazal-type serine protease inhibitor (serpin) family, and possesses the basic structure of serpin, which is highly homologous to esophag...
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Crustins form a large family of antimicrobial peptides (AMPs) in crustaceans composed of four sub-groups (Types I-IV). Type II crustins (Type IIa or "Crustins" and Type IIb or "Crustin-like") possess a typical hydrophobic N-terminal region and are by far the most representative sub-group found in penaeid shrimp. To gain insight into the molecular diversity of Type II crustins in penaeids, we id...
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تاریخ انتشار 2006