{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T07:50:48Z","timestamp":1775202648287,"version":"3.50.1"},"reference-count":57,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2008,1,1]],"date-time":"2008-01-01T00:00:00Z","timestamp":1199145600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2008,1,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>In T lymphocytes, lipid rafts are preferred sites for signal transduction initiation and amplification. Many cell membrane receptors, such as the TCR, coreceptors, and accessory molecules associate within these microdomains upon cell activation. However, it is still unclear in most cases whether these receptors interact with rafts through lipid-based amino acid modifications or whether raft insertion is driven by protein-protein interactions. In murine T cells, a significant fraction of CD2 associates with membrane lipid rafts. We have addressed the mechanisms that control the localization of rat CD2 at the plasma membrane, and its redistribution within lipid rafts induced upon activation. Following incubation of rat CD2-expressing cells with radioactive-labeled palmitic acid, or using CD2 mutants with Cys226 and Cys228 replaced by alanine residues, we found no evidence that rat CD2 was subjected to lipid modifications that could favor the translocation to lipid rafts, discarding palmitoylation as the principal mechanism for raft addressing. In contrast, using Jurkat cells expressing different CD2 and Lck mutants, we show that the association of CD2 with the rafts fully correlates with CD2 capacity to bind to Lck. As CD2 physically interacts with both Lck and Fyn, preferentially inside lipid rafts, and reflecting the increase of CD2 in lipid rafts following activation, CD2 can mediate the interaction between the two kinases and the consequent boost in kinase activity in lipid rafts.<\/jats:p>","DOI":"10.4049\/jimmunol.180.2.988","type":"journal-article","created":{"date-parts":[[2014,4,18]],"date-time":"2014-04-18T23:09:13Z","timestamp":1397862553000},"page":"988-997","source":"Crossref","is-referenced-by-count":12,"title":["Protein Interactions between CD2 and Lck Are Required for the Lipid Raft Distribution of CD2"],"prefix":"10.1093","volume":"180","author":[{"given":"Raquel J","family":"Nunes","sequence":"first","affiliation":[{"name":"Group of Cell Activation and Gene Expression, Instituto de Biologia Molecular e Celular, Universidade do Porto , Porto ,","place":["Portugal"]},{"name":"Instituto de Cie\u0302ncias Biome\u0301dicas de Abel Salazar, Universidade do Porto , Porto ,","place":["Portugal"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mo\u0301nica A A","family":"Castro","sequence":"additional","affiliation":[{"name":"Group of Cell Activation and Gene Expression, Instituto de Biologia Molecular e Celular, Universidade do Porto , Porto ,","place":["Portugal"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carine M","family":"Gonc\u0327alves","sequence":"additional","affiliation":[{"name":"Group of Cell Activation and Gene Expression, Instituto de Biologia Molecular e Celular, Universidade do Porto , Porto ,","place":["Portugal"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Martina","family":"Bamberger","sequence":"additional","affiliation":[{"name":"Group of Cell Activation and Gene Expression, Instituto de Biologia Molecular e Celular, Universidade do Porto , Porto ,","place":["Portugal"]},{"name":"Instituto de Cie\u0302ncias Biome\u0301dicas de Abel Salazar, Universidade do Porto , Porto ,","place":["Portugal"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carlos F","family":"Pereira","sequence":"additional","affiliation":[{"name":"Instituto de Cie\u0302ncias Biome\u0301dicas de Abel Salazar, Universidade do Porto , Porto ,","place":["Portugal"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Georges","family":"Bismuth","sequence":"additional","affiliation":[{"name":"Institut National de la Sante\u0301 et de la Recherche Me\u0301dicale, Unite\u0301 567, Institut Cochin, De\u0301partement de Biologie Cellulaire, Laboratoire labellise\u0301 par la Ligue Nationale contre le Cancer, Universite\u0301 Rene\u0301 Descartes , Paris ,","place":["France"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexandre M","family":"Carmo","sequence":"additional","affiliation":[{"name":"Group of Cell Activation and Gene Expression, Instituto de Biologia Molecular e Celular, Universidade do Porto , Porto ,","place":["Portugal"]},{"name":"Instituto de Cie\u0302ncias Biome\u0301dicas de Abel Salazar, Universidade do Porto , Porto ,","place":["Portugal"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2008,1,15]]},"reference":[{"key":"2025032610015895100_R1","volume-title":"The Leukocyte Antigen Factsbook","year":"1997"},{"key":"2025032610015895100_R2","first-page":"232","volume-title":"Nature","year":"1992"},{"key":"2025032610015895100_R3","first-page":"177","volume-title":"Immunol. 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