{"title":"Tumor necrosis factor alpha and interferon gamma inhibit proliferation and alkaline phosphatase activity of human osteoblastic SaOS-2 cell line.","authors":"R Yoshihara, S Shiozawa, Y Imai, T Fujita","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Tumor necrosis factor (TNF) alpha and TNF beta both inhibited proliferation of cultured human osteoblastic SaOS-2 cells. TNF alpha also inhibited alkaline phosphatase (ALP) activity in the cells. The TNF alpha-induced inhibition of proliferation and ALP activity was further potentiated by interferon (IFN) gamma. These findings indicate that human SaOS-2 cells, fulfilling several criteria for osteoblasts, respond to TNF alpha and IFN gamma, resulting in decceleration of their maturation.</p>","PeriodicalId":18130,"journal":{"name":"Lymphokine research","volume":"9 1","pages":"59-66"},"PeriodicalIF":0.0000,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Lymphokine research","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Tumor necrosis factor (TNF) alpha and TNF beta both inhibited proliferation of cultured human osteoblastic SaOS-2 cells. TNF alpha also inhibited alkaline phosphatase (ALP) activity in the cells. The TNF alpha-induced inhibition of proliferation and ALP activity was further potentiated by interferon (IFN) gamma. These findings indicate that human SaOS-2 cells, fulfilling several criteria for osteoblasts, respond to TNF alpha and IFN gamma, resulting in decceleration of their maturation.
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