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Transforming growth factor-beta 1: histochemical localization with antibodies to different epitopes.

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Flanders, K C, Thompson, N L, Cissel, D S, Van Obberghen-Schilling, E, Baker, C C, Kass, M E, Ellingsworth, L R, Roberts, A B, Sporn, M B·1989·The Journal of cell biology

Abstract

We have localized transforming growth factor-beta (TGF-beta) in many cells and tissues with immunohistochemical methods, using two polyclonal antisera raised to different synthetic preparations of a peptide corresponding to the amino-terminal 30 amino acids of TGF-beta 1. These two antibodies give distinct staining patterns; the staining by anti-CC(1-30) is intracellular. This differential staining pattern is consistently observed in several systems, including cultured tumor cells; mouse embryonic, neonatal, and adult tissues; bovine fibropapillomas; and human colon carcinomas. The extracellular staining by anti-CC(1-30) partially resembles that seen with an antibody to fibronectin, suggesting that extracellular TGF-beta may be bound to matrix proteins. The intracellular staining by anti-LC(1-30) is similar to that seen with two other antibodies raised to peptides corresponding to either amino acids 266-278 of the TGF-beta 1 precursor sequence or to amino acids 50-75 of mature TGF-beta 1, suggesting that anti-LC(1-30) stains sites of TGF-beta synthesis. Results from RIA and ELISAs indicate that anti-LC(1-30) and anti-CC(1-30) recognize different epitopes of this peptide and of TGF-beta 1 itself.

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Metadata

Authors
Flanders, K. C., Thompson, N. L., Cissel, D. S., Van Obberghen-Schilling, E., Baker, C. C., Kass, M. E., Ellingsworth, L. R., Roberts, A. B., & Sporn, M. B.
Venue
The Journal of cell biology
Published
1989-02-01
Volume
108
Issue
2
Pages
653-660
ISSN
  • 0021-9525 (ISSN-L)
  • 1540-8140
OpenAlex
W2099941826
Cited by
370
References
0
FWCI
13.39
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Transforming growth factor-beta 1: histochemical localization with antibodies to different epitopes. https://app.cochat.ai/papers/10.1083/jcb.108.2.653
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Flanders, K. C., Thompson, N. L., Cissel, D. S., Van Obberghen-Schilling, E., Baker, C. C., Kass, M. E., Ellingsworth, L. R., Roberts, A. B., & Sporn, M. B. (1989). Transforming growth factor-beta 1: histochemical localization with antibodies to different epitopes. The Journal of cell biology. https://doi.org/10.1083/jcb.108.2.653

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