نتایج جستجو برای: فومونیزین b1
تعداد نتایج: 19832 فیلتر نتایج به سال:
PURPOSE Cyclin B1 plays an important role as a mitotic cyclin in the G(2)-M phase transition during the cell cycle. The aim of the present study was to elucidate the biological significance of cyclin B1 expression in squamous cell carcinoma (SCC) of the esophagus. EXPERIMENTAL DESIGN We analyzed immunohistochemically the expression of cyclin B1 in the tumor specimens from 120 patients with SC...
A primary function of B lymphocytes is immunoglobulin production; however, the therapeutic benefit of B cell depletion in autoimmune diseases previously thought to be T cell mediated suggests that some B cells fulfill other roles in autoimmunity. We examined the recently identified human B1 cell population for T cell stimulatory activity. We found two kinds of B1 cells that are distinguished by...
Fusarium moniliforme (F. moniliforme) is one of the most frequent fungal pathogens found in rice. Samples of rice grown in three different zones of Mazandaran Province, Iran were collected and analyzed for the presence of fumonisin B (FB ). Mycological analysis revealed the presence of F. moniliforme-type isolates 1 1 in 65.1% of the rice samples. Average levels of FB per zones 1, 2 and 3 were ...
آفلاتوکسینها متابولیتهای ثانویه گونههای مختلف آسپرژیلوس هستند و معمولا طیف گسترده ای از موادغذایی نواحی گرمسیری و نیمه گرمسیری را آلوده میکنند. از نظر شیمیایی آفلاتوکسینها ترکیبات دی فورانوکومارین و شامل b1، b2،g1 ،g2 ، m1 و m2 میباشند. این مطالعه به منظور ارزیابی اثر هم افزایی عصارهی سیر و زردچوبه در برابر آسیب ناشی از آفلاتوکسین b1 انجام شد. 64 سر موش صحرایی نر به هشت گروه تقسیم و به م...
Administration of[3H]aflatoxin B2 (2,3-dihydroaflatoxin B1)(AFB2) to male rats resulted in levels of hepatic DNA- and ribosomal(r)RNA-aflatoxin adducts that were about 1% of those for rats given [3H]aflatoxin B1(AFB1). The levels of hepatic protein-aflatoxin adducts were 35 to 70% as great for AFB2-treated as compared to AFB1-treated rats...
This article describes clinical, etiologic and pathologic diagnosis of an outbreak of equine leukoencephalomalacia. Two samples of the corn consumed by the affected horses contained fumonisin B 1 at levels of 46 and 53 μg/g and Fusarium moniliforme, a good in vitro mycotoxin producer.
Aflatoxin B1-contaminated feeds and foods induce various health problems in domesticated animals humans, including tumor development hepatotoxicity. B1 also has embryotoxic effects different livestock species humans. However, it is difficult to distinguish between the indirect, maternally-mediated toxic direct embryotoxicity of aflatoxin mammals. In present study, we investigated B1-induced a z...
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