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Cited by 511

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Latent transforming growth factor-β: Structural features and mechanisms of activation

Open access
Munger, John S., Harpel, John G., Gleizes, Pierre-Emmanuel, Mazzieri, Roberta, Nunes, Irene, Rifkin, Daniel B.·1997·Kidney International

Abstract

Transforming growth factor-beta are cytokines with a wide range of biological effects. They play a pathologic role in inflammatory and fibrosing diseases such as nephrosclerosis. TGF-beta s are secreted in a latent form due to noncovalent association with latency associated peptide (LAP), which is a homodimer formed from the propeptide region of TGF-beta. LAP is disulfide linked to another protein, latent TGF-beta binding protein (LTBP). LTBP has features in common with extracellular matrix proteins, and targets latent TGF-beta to the matrix. Activation of latent TGF-beta can be accomplished in vitro by denaturing treatments, plasmin digestion, ionizing radiation and interaction with thrombospondin. The mechanisms by which latent TGF-beta is activated physiologically are not well understood. Results to date suggest an important role for proteases, particularly plasmin, although other mechanisms probably exist. A general model of activation is proposed in which latent TGF-beta is released from the extracellular matrix by proteases, localized to cell surfaces, and activated by cell-associated plasmin.

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Metadata

Authors
Munger, J. S., Harpel, J. G., Gleizes, P.-E., Mazzieri, R., Nunes, I., & Rifkin, D. B.
Venue
Kidney International
Publisher
Elsevier BV
Published
1997-05
Volume
51
Issue
5
Pages
1376-1382
ISSN
0085-2538 (ISSN-L)
OpenAlex
W1966908061
Cited by
511
References
2
FWCI
11.14
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Latent transforming growth factor-β: Structural features and mechanisms of activation. https://app.cochat.ai/papers/10.1038/ki.1997.188
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Munger, J. S., Harpel, J. G., Gleizes, P.-E., Mazzieri, R., Nunes, I., & Rifkin, D. B. (1997). Latent transforming growth factor-β: Structural features and mechanisms of activation. Kidney International. https://doi.org/10.1038/ki.1997.188

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