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Cited by 474

The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.

The requirement for lymphocyte function-associated antigen 1 in homotypic leukocyte adhesion stimulated by phorbol ester.

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Rothlein, R, Springer, T A·1986·The Journal of experimental medicine

Abstract

Lymphocytes become adherent and aggregate after stimulation with phorbol esters such as PMA. Time-lapse video showed that aggregating cells were motile and exhibited vigorous pseudopodial movements. Adhesion sites were initiated between pseudopodia of neighboring cells, and then moved to the uropod. PMA-stimulated aggregation by EBV-transformed B cell lines, SKW-3 (a T cell line), differentiated U937 (a monocytic line), and blood lymphocytes was inhibited by mAbs to LFA-1. A number of different mAb to the LFA-1 alpha and beta subunits and F(ab')2 and Fab' fragments inhibited aggregation. Furthermore, lymphoblasts from normal individuals, but not from LFA-1-deficient patients, aggregated in response to PMA. These findings suggest LFA-1 is critically involved in stimulated lymphocyte adhesion. LFA-1 expression was not increased by PMA stimulation, showing that other mechanisms regulate LFA-1-dependent adherence. LFA-1-deficient patient cells were able to coaggregate with LFA-1+ cells, showing that aggregation is not mediated by like-like interactions between LFA-1 molecules on opposite cells. Aggregation was Mg+2-dependent, inhibited by cytochalasin B, and was reversed when LFA-1 mAb was added to preformed aggregates. Previous findings suggesting that LFA-1 is important in a wide variety of leukocyte functions are elucidated by this work, which shows that LFA-1 is a general leukocyte cell adhesion molecule, the activity of which is regulated by cell activation.

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Metadata

Authors
Rothlein, R., & Springer, T. A.
Venue
The Journal of experimental medicine
Published
1986-05-01
Volume
163
Issue
5
Pages
1132-1149
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2157279574
Cited by
474
References
14
FWCI
10.24
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The requirement for lymphocyte function-associated antigen 1 in homotypic leukocyte adhesion stimulated by phorbol ester. https://app.cochat.ai/papers/10.1084/jem.163.5.1132
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Rothlein, R., & Springer, T. A. (1986). The requirement for lymphocyte function-associated antigen 1 in homotypic leukocyte adhesion stimulated by phorbol ester. The Journal of experimental medicine. https://doi.org/10.1084/jem.163.5.1132

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