Evaluation of drug-induced tissue injury by measuring alanine aminotransferase (ALT) activity in silkworm hemolymph.

Evaluation of drug-induced tissue injury by measuring alanine aminotransferase (ALT) activity in silkworm hemolymph.
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DOI:
10.1186/2050-6511-13-13
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发表时间:
2012-11-08
影响因子:
2.9
通讯作者:
Sekimizu K
Sekimizu K
中科院分区:
医学4区
文献类型:
--
作者:
Inagaki Y;Matsumoto Y;Kataoka K;Matsuhashi N;Sekimizu K

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我们的前期研究表明,蚕可以代替哺乳动物作为模型动物进行药理学研究,开发新的治疗药物。我们研究了家蚕幼虫作为评估各种细胞毒性药物引起的组织损伤的动物模型的有效性。将诱导哺乳动物肝毒性作用的药物注射到家蚕血液中,1 d后测定其血淋巴中丙氨酸转氨酶(ALT)的活性。血液中注射CCl4导致ALT活性升高。经n -乙酰- l-半胱氨酸预处理后,ALT活性的升高有所减弱。注射苯甲酸衍生物、硫酸铁、丙戊酸钠、四环素、盐酸胺碘酮、甲基多巴、酮康唑、培他明、n -亚硝基芬氟拉明和d -半乳糖胺也能提高ALT活性。这些发现表明,蚕对评估化学物质对哺乳动物组织损伤的影响是有用的。
Our previous studies suggest silkworms can be used as model animals instead of mammals in pharmacologic studies to develop novel therapeutic medicines. We examined the usefulness of the silkworm larvae Bombyx mori as an animal model for evaluating tissue injury induced by various cytotoxic drugs. Drugs that induce hepatotoxic effects in mammals were injected into the silkworm hemocoel, and alanine aminotransferase (ALT) activity was measured in the hemolymph 1 day later. Injection of CCl4 into the hemocoel led to an increase in ALT activity. The increase in ALT activity was attenuated by pretreatment with N-acetyl-L-cysteine. Injection of benzoic acid derivatives, ferric sulfate, sodium valproate, tetracycline, amiodarone hydrochloride, methyldopa, ketoconazole, pemoline (Betanamin), N-nitroso-fenfluramine, and D-galactosamine also increased ALT activity. These findings indicate that silkworms are useful for evaluating the effects of chemicals that induce tissue injury in mammals.
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