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Title: Identification of a new receptor subtype for tumor necrosis factor-α
Authors: Schwalb, D.M.
Han, H.-M.
Marino, M.
Warren, R.
Porter, A. 
Goh, C. 
Fairt, W.R.
Donner, D.B.
Issue Date: 15-May-1993
Citation: Schwalb, D.M.,Han, H.-M.,Marino, M.,Warren, R.,Porter, A.,Goh, C.,Fairt, W.R.,Donner, D.B. (1993-05-15). Identification of a new receptor subtype for tumor necrosis factor-α. Journal of Biological Chemistry 268 (14) : 9949-9952. ScholarBank@NUS Repository.
Abstract: Two distinct receptors, which bind both tumor necrosis factor-α and tumor necrosis factor-β (TNF-α and TNF-β), have been previously identified and cloned from transformed cells. The present study identifies a novel receptor subtype in normal human liver which binds TNF-α but not TNF-β. TNF-α but not TNF-β competes for 125I-TNF-α binding and incorporation into affinity-labeled complexes in human liver plasma membranes (HLPM). Antisera to the cloned receptors competed for 125I-TNF-α binding to plasma membranes isolated from various transformed cell lines but not to HLPM. However, mRNAs corresponding in size to both known TNF receptors were detected in liver RNA, making it likely that post-transcriptional modifications account for the TNF-α specificity of HLPM. These observations suggest that the effects of TNF-α and TNF-β on some normal tissues may be more distinct than previously realized.
Source Title: Journal of Biological Chemistry
ISSN: 00219258
Appears in Collections:Staff Publications

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