{"title":"黄曲霉毒素B1对大鼠组织脂质的影响。","authors":"N Singh, T A Venkitasubramanian","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The effect of aflatoxin B1 on lipids of liver, kidney, adipose and plasma of rats was studied. A single dose administration (6 mg/kg body weight) increased liver and kidney weights and their total lipids within 24 h. Increase in liver lipids was confined mainly to phospholipid and cholesterol, whereas triglycerides showed a significant decrease. Adipose tissue triglycerides were, however, increased. Plasma showed decreases in triglycerides, free fatty acids and cholesterol. Incorporation studies with palmitate-1-14C revealed increased incorporation in adipose tissue lipids and decreased incorporation in liver and plasma lipids, thereby indicating an increased synthesis of lipids in adipose. Their mobilization to plasma was, however, inhibited, hence the low levels of triglyceride in liver. But the adrenals showed hypo-activity upon aflatoxin B1 administration.</p>","PeriodicalId":75826,"journal":{"name":"Environmental physiology & biochemistry","volume":"5 3","pages":"147-57"},"PeriodicalIF":0.0000,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Effect of aflatoxin B1 on lipids of rat tissues.\",\"authors\":\"N Singh, T A Venkitasubramanian\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The effect of aflatoxin B1 on lipids of liver, kidney, adipose and plasma of rats was studied. A single dose administration (6 mg/kg body weight) increased liver and kidney weights and their total lipids within 24 h. Increase in liver lipids was confined mainly to phospholipid and cholesterol, whereas triglycerides showed a significant decrease. Adipose tissue triglycerides were, however, increased. Plasma showed decreases in triglycerides, free fatty acids and cholesterol. Incorporation studies with palmitate-1-14C revealed increased incorporation in adipose tissue lipids and decreased incorporation in liver and plasma lipids, thereby indicating an increased synthesis of lipids in adipose. Their mobilization to plasma was, however, inhibited, hence the low levels of triglyceride in liver. But the adrenals showed hypo-activity upon aflatoxin B1 administration.</p>\",\"PeriodicalId\":75826,\"journal\":{\"name\":\"Environmental physiology & biochemistry\",\"volume\":\"5 3\",\"pages\":\"147-57\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1975-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Environmental physiology & biochemistry\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Environmental physiology & biochemistry","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The effect of aflatoxin B1 on lipids of liver, kidney, adipose and plasma of rats was studied. A single dose administration (6 mg/kg body weight) increased liver and kidney weights and their total lipids within 24 h. Increase in liver lipids was confined mainly to phospholipid and cholesterol, whereas triglycerides showed a significant decrease. Adipose tissue triglycerides were, however, increased. Plasma showed decreases in triglycerides, free fatty acids and cholesterol. Incorporation studies with palmitate-1-14C revealed increased incorporation in adipose tissue lipids and decreased incorporation in liver and plasma lipids, thereby indicating an increased synthesis of lipids in adipose. Their mobilization to plasma was, however, inhibited, hence the low levels of triglyceride in liver. But the adrenals showed hypo-activity upon aflatoxin B1 administration.
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