Studies on parathion activation enzymes in the American cockroach
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Tachykinin stimulates α-amylase, protease and lipase activities in the midgut of the American cockroach, Periplaneta americana (Blattodea: Blattidae)
در این تحقیق به بررسی اثر تاکیکینین بر روی فعالیت آلفا آمیلاز، پروتئاز و لیپاز در معده میانی سوسری امریکایی (L.) Periplaneta americana پرداخته شد. فعالیت ایمنوهیستوشیمیایی سلول‌های معده میانی (بخش های جلویی، میانی و عقبی) که تاکیکینین ترشح می‌کردند مورد تایید قرار گرفت. چهار هفته گرسنگی، تعداد سلول هایی را که عکس العمل ایمنوهیستوشیمیایی مقابل آنتی‌بادی تاکیکینین داشتند (Tachykinin-ir cel...
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Introduction: The main propose of this study was to determine the effect of parathion on activity of glutamate dehydrogenase (GDH) as a key enzyme in second phase secretion of insulin and to determine serum glucose levels in rats. Methods: To conduct the study, 35 rats were randomly divided into five groups (n=7). The serum glucose level of each group was measured and the total average was ca...
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Phosphotriesters are one class of highly toxic synthetic compounds known as organophosphates. Wide spread usage of organophosphates as insecticides as well as nerve agents has lead to numerous efforts to identify enzymes capable of detoxifying them. A wide array of enzymes has been found to have phosphotriesterase activity including phosphotriesterase (PTE), methyl parathion hydrolase (MPH), or...
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the embryos. HCB has been shown to cause circulatory defects Supported by grants from the Department of Energy and the common to several other aromatic compounds: toluene, carDepartment of Defense. baryl, parathion, tolbutamide, dinitrophenol, and 2,4,5-trichlorophenoxyacetic acid (4, 5, 6, 7). The abnormalities observed Literature Cited in the developing medaka heart are similar in several res...
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Esterases are involved in the susceptibility or resistance of organisms to organophosphate pesticides. We have examined the action of parathion on the marine dinoflagellates Crypthecodinium cohnii and Prorocentrum micans by looking at their esterases. One-dimensional gel electrophoresis, immunoblotting and cytochemistry plus image analysis were used to characterize the nature and distribution o...
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تاریخ انتشار 2017