{"corpus_id":45947075,"paper_sha":"299c1619f82b582eebd53cc66b1f453725a1b90f","doi":"10.4049/jimmunol.145.11.3678","arxiv_id":null,"pmid":1700990,"pmcid":null,"mag_id":1862256780,"dblp_id":null,"acl_id":null,"title":"The CD24 antigen discriminates between pre-B and B cells in human bone marrow.","year":1990,"publication_date":"1990-12-01","venue":"Journal of Immunology","journal":{"name":"Journal of immunology","pages":"\n          3678-83\n        ","volume":"145 11"},"journal_issn":null,"journal_title":null,"publication_types":["JournalArticle"],"pubmed_pub_types":["Journal Article","Research Support, Non-U.S. Gov't"],"s2_fields_of_study":["Biology","Medicine"],"reference_count":0,"citation_count":41,"influential_citation_count":0,"is_open_access":true,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":[{"d":"Adult","mj":false,"ui":"D000328"},{"d":"Antigens, CD","mj":false,"qs":[{"q":"immunology","mj":true,"ui":"Q000276"}],"ui":"D015703"},{"d":"Antigens, CD19","mj":false,"ui":"D018941"},{"d":"Antigens, Differentiation","mj":false,"qs":[{"q":"immunology","mj":true,"ui":"Q000276"}],"ui":"D000943"},{"d":"Antigens, Differentiation, B-Lymphocyte","mj":false,"qs":[{"q":"immunology","mj":false,"ui":"Q000276"}],"ui":"D000944"},{"d":"Antigens, Neoplasm","mj":false,"qs":[{"q":"immunology","mj":false,"ui":"Q000276"}],"ui":"D000951"},{"d":"B-Lymphocytes","mj":false,"qs":[{"q":"immunology","mj":true,"ui":"Q000276"}],"ui":"D001402"},{"d":"Bone Marrow","mj":false,"qs":[{"q":"immunology","mj":false,"ui":"Q000276"}],"ui":"D001853"},{"d":"Bone Marrow Cells","mj":false,"ui":"D001854"},{"d":"CD24 Antigen","mj":false,"ui":"D051927"},{"d":"Fluorescent Antibody Technique","mj":false,"ui":"D005455"},{"d":"HLA-DR Antigens","mj":false,"qs":[{"q":"analysis","mj":false,"ui":"Q000032"}],"ui":"D006684"},{"d":"Hematopoietic Stem Cells","mj":false,"qs":[{"q":"immunology","mj":true,"ui":"Q000276"}],"ui":"D006412"},{"d":"Humans","mj":false,"ui":"D006801"},{"d":"Membrane Glycoproteins","mj":true,"ui":"D008562"},{"d":"Neprilysin","mj":false,"ui":"D015260"},{"d":"Receptors, Fc","mj":false,"qs":[{"q":"immunology","mj":false,"ui":"Q000276"}],"ui":"D011961"},{"d":"Receptors, IgE","mj":false,"ui":"D017455"}],"chemicals":[{"n":"Antigens, CD","ui":"D015703","reg":"0"},{"n":"Antigens, CD19","ui":"D018941","reg":"0"},{"n":"Antigens, Differentiation","ui":"D000943","reg":"0"},{"n":"Antigens, Differentiation, B-Lymphocyte","ui":"D000944","reg":"0"},{"n":"Antigens, Neoplasm","ui":"D000951","reg":"0"},{"n":"CD24 Antigen","ui":"D051927","reg":"0"},{"n":"CD24 protein, human","ui":"C497889","reg":"0"},{"n":"HLA-DR Antigens","ui":"D006684","reg":"0"},{"n":"Membrane Glycoproteins","ui":"D008562","reg":"0"},{"n":"Receptors, Fc","ui":"D011961","reg":"0"},{"n":"Receptors, IgE","ui":"D017455","reg":"0"},{"n":"Neprilysin","ui":"D015260","reg":"EC 3.4.24.11"}],"comments_corrections":null,"source_flags":5,"s2_open_access_pdf_url":"https://journals.aai.org/jimmunol/article-pdf/145/11/3678/1050014/3678.pdf","s2_open_access_landing_url":"https://www.semanticscholar.org/paper/299c1619f82b582eebd53cc66b1f453725a1b90f","s2_open_access_license":null,"s2_open_access_status":"BRONZE","pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"When bone marrow (BM) lymphoid cells from 12 adult healthy donors were labeled by CD24 antibodies and analyzed by flow cytometry, two positive populations of cells were demonstrated in each sample (by a separated bimodal specific immunofluorescence). One population had intermediate CD24-Ag density (termed CD24+ cells) whereas the other had high CD24-Ag density (termed CD24(2+) cells). CD24+ cells represented 5.8 +/- 2.7% of the total lymphoid BM cells and CD24(2+) cells 5.6 +/- 2.5%. Using dual fluorescence analysis on eight samples, all CD24+ cells expressed the CD21 and CD37 mature B cell Ag and also surface IgM (sIgM), but this population lacked CD10 Ag. These cells also expressed CD19 Ag, and at a higher density than CD24(2+) cells. They were also positive for HLA-DR Ag. Conversely, CD24(2+) cells were shown to be early cells of the B cell lineage. While all the CD24(2+) cells were HLA-DR+ and CD19+, 64 +/- 16% of them expressed CD20 Ag (at a lower density than CD24+ cells), 65 +/- 21% CD10 Ag, and 22 +/- 8% were positive for cytoplasmic mu-chains (c mu). None of these cells expressed the CD21 and CD37 mature B cell Ag or sIgM. Additional experiments on four different healthy donors demonstrated that 30 +/- 9% of the CD24(2+) cells expressed the CD34 Ag and that the CD24+ cells did not express it. Thus, the CD24 Ag permits discrimination between two populations of the B cell lineage present in adult BM: 1) A CD24(2+) cell population including \"pre\" pre-B cells (HLA-DR+, CD19+, CD10+/-, CD20-, CD21-, CD34+, CD37-, c mu-), \"intermediate\" pre-B cells (HLA-DR+, CD19+, CD10+, CD20+, CD21-, CD34-, CD37-, c mu-), and \"true\" pre-B cells (HLA-DR+, CD19+, CD10+, CD20+, CD21-, CD34-, CD37-, c mu+). 2) A CD24+ cell population including B cells of the standard phenotype (HLA-DR+, CD19+, CD10-, CD20+, CD21+, CD34-, CD37+, c mu-, sIgM+).","claims":[{"public_id":"cl_96c98dec864a6819debd936c02437bed","status":"active","text":"CD24 antigen permits discrimination between pre-B cell populations and B cells of standard phenotype in adult bone marrow.","confidence":0.98,"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":2,"public_id":"4715169a40","public_label":"AK 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(4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["review"],"url":"https://sah.borca.ai/u/322360f1c1"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_d7c83ac307816f44ade780c9c362383f"},{"public_id":"cl_55a15537fc1bc592fcab49bceec25adc","status":"active","text":"CD24+ cells represented 5.8 +/- 2.7% of total lymphoid bone marrow cells and expressed mature B cell markers including CD21, CD37, surface IgM, CD19, and HLA-DR, while lacking CD10 antigen.","confidence":0.96,"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["review"],"url":"https://sah.borca.ai/u/322360f1c1"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_55a15537fc1bc592fcab49bceec25adc"},{"public_id":"cl_34414bdbcd58c0d0ce189998a7f62c27","status":"active","text":"Flow cytometry of CD24-labeled bone marrow lymphoid cells from 12 adult healthy donors demonstrated two CD24-positive cell populations with intermediate and high CD24 antigen density.","confidence":0.97,"contributors":[{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["extraction"],"url":"https://sah.borca.ai/u/3c2apqe3ut"},{"id":2,"public_id":"4715169a40","public_label":"AK 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