{"title":"小鼠黑色素瘤中分离的过氧化物酶氧化酪氨酸生成多巴胺。","authors":"M R Okun, L Schley, R Ziegelstein, H Blair","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Peroxidase, isolated from B16 mouse melanoma, converted tyrosine to dopachrome in the presence of either dopa or dihydroxyfumarate co-factor. A suspended homogenate of cloned, cultured B16 mouse melanoma cells also showed peroxidatic conversion of tyrosine to dopachrome in the presence of dihydroxyfumarate co-factor. The findings confirm previous histochemical, autoradiographic-histochemical, and EM-histochemical studies showing that melanoma peroxidase can convert tyrosine to melanin.</p>","PeriodicalId":20124,"journal":{"name":"Physiological chemistry and physics","volume":"14 1","pages":"8-12"},"PeriodicalIF":0.0000,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Oxidation of tyrosine to dopachrome by peroxidase isolated from murine melanoma.\",\"authors\":\"M R Okun, L Schley, R Ziegelstein, H Blair\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Peroxidase, isolated from B16 mouse melanoma, converted tyrosine to dopachrome in the presence of either dopa or dihydroxyfumarate co-factor. A suspended homogenate of cloned, cultured B16 mouse melanoma cells also showed peroxidatic conversion of tyrosine to dopachrome in the presence of dihydroxyfumarate co-factor. The findings confirm previous histochemical, autoradiographic-histochemical, and EM-histochemical studies showing that melanoma peroxidase can convert tyrosine to melanin.</p>\",\"PeriodicalId\":20124,\"journal\":{\"name\":\"Physiological chemistry and physics\",\"volume\":\"14 1\",\"pages\":\"8-12\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1982-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Physiological chemistry and physics\",\"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":"Physiological chemistry and physics","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Oxidation of tyrosine to dopachrome by peroxidase isolated from murine melanoma.
Peroxidase, isolated from B16 mouse melanoma, converted tyrosine to dopachrome in the presence of either dopa or dihydroxyfumarate co-factor. A suspended homogenate of cloned, cultured B16 mouse melanoma cells also showed peroxidatic conversion of tyrosine to dopachrome in the presence of dihydroxyfumarate co-factor. The findings confirm previous histochemical, autoradiographic-histochemical, and EM-histochemical studies showing that melanoma peroxidase can convert tyrosine to melanin.
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