{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T04:56:58Z","timestamp":1761541018628,"version":"build-2065373602"},"reference-count":47,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2011,1,31]],"date-time":"2011-01-31T00:00:00Z","timestamp":1296432000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"G\u00e9nome Qu\u00e9bec\/Canada"},{"DOI":"10.13039\/501100000024","name":"Canadian Institutes for Health Research","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100000024","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100004099","name":"La Ligue Nationale contre le Cancer","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100004099","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Human Frontier Science Program"},{"name":"MENRT and la Fondation pour la Recherche M\u00e9dicale"},{"name":"SYBARIS EU Framework Programme 7 Collaborative Project","award":["242220"],"award-info":[{"award-number":["242220"]}]}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Proteomics"],"published-print":{"date-parts":[[2011,3]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>The essential roles of the endovacuolar system in health and disease call for the development of new tools allowing a better understanding of the complex molecular machinery involved in endocytic processes. We took advantage of the floating properties of small latex beads (sLB) on a discontinuous sucrose gradient to isolate highly purified endosomes following internalization of small latex beads in J774 macrophages and bone marrow\u2010derived dendritic cells (DC). We particularly focused on the isolation of macrophages early endosomes and late endosomes\/lysosomes (LE\/LYS) as well as the isolation of LE\/LYS from immature and lipopolysaccharide\u2010activated (mature) DC. We subsequently performed a comparative analysis of their respective protein contents by MS. As expected, proteins already known to localize to the early endosomes were enriched in the earliest fraction of J774 endosomes, while proteins known to accumulate later in the process, such as hydrolases, were significantly enriched in the LE\/LYS preparations. We next compared the LE\/LYS protein contents of immature DC and mature DC, which are known to undergo massive reorganization leading to potent immune activation. The differences between the protein contents of endocytic organelles from macrophages and DC were underlined by focusing on previously poorly characterized biochemical pathways, which could have an unexpected but important role in the endosomal functions of these highly relevant immune cell types.<\/jats:p>","DOI":"10.1002\/pmic.201000577","type":"journal-article","created":{"date-parts":[[2011,1,7]],"date-time":"2011-01-07T06:46:57Z","timestamp":1294382817000},"page":"854-864","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":31,"title":["The endosomal proteome of macrophage and dendritic cells"],"prefix":"10.1002","volume":"11","author":[{"given":"Sophie","family":"Duclos","sequence":"first","affiliation":[]},{"given":"Giovanna","family":"Clavarino","sequence":"additional","affiliation":[]},{"given":"Gilles","family":"Rousserie","sequence":"additional","affiliation":[]},{"given":"Guillaume","family":"Goyette","sequence":"additional","affiliation":[]},{"given":"Jonathan","family":"Boulais","sequence":"additional","affiliation":[]},{"given":"Voahirana","family":"Camossetto","sequence":"additional","affiliation":[]},{"given":"Evelina","family":"Gatti","sequence":"additional","affiliation":[]},{"given":"Sylvie","family":"LaBoissi\u00e8re","sequence":"additional","affiliation":[]},{"given":"Philippe","family":"Pierre","sequence":"additional","affiliation":[]},{"given":"Michel","family":"Desjardins","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2011,1,31]]},"reference":[{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1152\/physrev.1997.77.3.759"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.addr.2007.06.006"},{"key":"e_1_2_6_4_2","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0749.2002.02038.x"},{"key":"e_1_2_6_5_2","doi-asserted-by":"publisher","DOI":"10.1242\/jcs.03303"},{"key":"e_1_2_6_6_2","first-page":"S17","article-title":"Weight dissatisfaction and weight loss attempts among Canadian adults. 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