Relationship of TSG-14 protein to the pentraxin family of major acute phase proteins

Gene W. Lee, Adam R. Goodman, Tae H. Lee, Jan Vilček

Research output: Contribution to journalArticle

71 Citations (Scopus)

Abstract

TNF-stimulated gene-14 (TSG-14) encodes a secreted glycoprotein with significant sequence homology to C-reactive protein (CRP) and serum amyloid P component (SAP), members of the pentraxin family of acute phase proteins. TSG-14 mRNA was elevated in human FS-4 fibroblasts by treatment with TNF, IL- 1, or bacterial LPS, and weakly by dexamethasone. Abs to recombinant TSG-14 immunoprecipitated a 42-kDa protein from the culture supernatants of TNF- or IL-1-stimulated FS-4 cells. TSG-14 protein was also inducible in the Hep3B human hepatoma cell line by TNF, IL-1, IL-6, or dexamethasone. CRP protein, identified by immunoprecipitation of a 25-kDa band with Abs to CRP, was induced in Hep3B cells by IL-1, IL-6, or dexamethasone. Immunoprecipitations with polyclonal Abs to TSG-14 and CRP suggested that the two proteins are immunologically cross-reactive. Appearance of TSG-14 protein was demonstrated in the serum of mice after injection with LPS. No TSG-14 mRNA was detected in the liver of LPS-injected mice, suggesting that hepatocytes are not the major site of TSG-14 synthesis. Thus, in the intact organism the main cellular sources of TSG-14 and classical acute phase proteins appear to be different.

Original languageEnglish
Pages (from-to)3700-3707
Number of pages8
JournalJournal of Immunology
Volume153
Issue number8
Publication statusPublished - 1994 Oct 15

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Acute-Phase Proteins
Interleukin-1
C-Reactive Protein
Proteins
Dexamethasone
Immunoprecipitation
Interleukin-6
Serum Amyloid P-Component
PTX3 protein
Messenger RNA
Sequence Homology
Hepatocytes
Hepatocellular Carcinoma
Glycoproteins
Fibroblasts
Cell Line
Injections
Liver

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology

Cite this

Lee, Gene W. ; Goodman, Adam R. ; Lee, Tae H. ; Vilček, Jan. / Relationship of TSG-14 protein to the pentraxin family of major acute phase proteins. In: Journal of Immunology. 1994 ; Vol. 153, No. 8. pp. 3700-3707.
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abstract = "TNF-stimulated gene-14 (TSG-14) encodes a secreted glycoprotein with significant sequence homology to C-reactive protein (CRP) and serum amyloid P component (SAP), members of the pentraxin family of acute phase proteins. TSG-14 mRNA was elevated in human FS-4 fibroblasts by treatment with TNF, IL- 1, or bacterial LPS, and weakly by dexamethasone. Abs to recombinant TSG-14 immunoprecipitated a 42-kDa protein from the culture supernatants of TNF- or IL-1-stimulated FS-4 cells. TSG-14 protein was also inducible in the Hep3B human hepatoma cell line by TNF, IL-1, IL-6, or dexamethasone. CRP protein, identified by immunoprecipitation of a 25-kDa band with Abs to CRP, was induced in Hep3B cells by IL-1, IL-6, or dexamethasone. Immunoprecipitations with polyclonal Abs to TSG-14 and CRP suggested that the two proteins are immunologically cross-reactive. Appearance of TSG-14 protein was demonstrated in the serum of mice after injection with LPS. No TSG-14 mRNA was detected in the liver of LPS-injected mice, suggesting that hepatocytes are not the major site of TSG-14 synthesis. Thus, in the intact organism the main cellular sources of TSG-14 and classical acute phase proteins appear to be different.",
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Lee, GW, Goodman, AR, Lee, TH & Vilček, J 1994, 'Relationship of TSG-14 protein to the pentraxin family of major acute phase proteins', Journal of Immunology, vol. 153, no. 8, pp. 3700-3707.

Relationship of TSG-14 protein to the pentraxin family of major acute phase proteins. / Lee, Gene W.; Goodman, Adam R.; Lee, Tae H.; Vilček, Jan.

In: Journal of Immunology, Vol. 153, No. 8, 15.10.1994, p. 3700-3707.

Research output: Contribution to journalArticle

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AB - TNF-stimulated gene-14 (TSG-14) encodes a secreted glycoprotein with significant sequence homology to C-reactive protein (CRP) and serum amyloid P component (SAP), members of the pentraxin family of acute phase proteins. TSG-14 mRNA was elevated in human FS-4 fibroblasts by treatment with TNF, IL- 1, or bacterial LPS, and weakly by dexamethasone. Abs to recombinant TSG-14 immunoprecipitated a 42-kDa protein from the culture supernatants of TNF- or IL-1-stimulated FS-4 cells. TSG-14 protein was also inducible in the Hep3B human hepatoma cell line by TNF, IL-1, IL-6, or dexamethasone. CRP protein, identified by immunoprecipitation of a 25-kDa band with Abs to CRP, was induced in Hep3B cells by IL-1, IL-6, or dexamethasone. Immunoprecipitations with polyclonal Abs to TSG-14 and CRP suggested that the two proteins are immunologically cross-reactive. Appearance of TSG-14 protein was demonstrated in the serum of mice after injection with LPS. No TSG-14 mRNA was detected in the liver of LPS-injected mice, suggesting that hepatocytes are not the major site of TSG-14 synthesis. Thus, in the intact organism the main cellular sources of TSG-14 and classical acute phase proteins appear to be different.

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