CD105, also known as endoglin (ENG) gene is mapped to human chromosome 9q34.11. The gene codes for a homodimeric transmembrane coreceptor containing disulfide-linked subunits of 95kDa. The encoded protein is mainly expressed on human pre-erythroblasts, macrophages, leukemic cells of the lymphoid and myeloid lineages. It is also present at higher levels on syncytiotrophoblasts of term placenta and vascular endothelial cells.

The antibody MEM-229 recognizes CD105 (Endoglin), a 180 kDa type I integral membrane homodimer glycoprotein expressed on vascular endothelial cells (small and large vessels), activated monocytes and tissue macrophages, stromal cells of certain tissues including bone marrow, pre-B lymphocytes in fetal marrow and erythroid precursors in fetal and adult bone marrow; it is also present on syncytiotrophoblast on placenta throughout pregnancy.

Recombinant Vaccinia virus containing the human CD105 (L-isoform) cDNA

Applications in which this antibody has been used successfully, and the associated peer-reviewed papers, are given below.
Flow cytometry/Cell sorting (1 paper)

CD105/ endoglin (ENG) acts as an accessory receptor within transforming growth factor (TGF)-β signalling pathway. It is implicated in the regulation of TGF-β-dependent cellular responses. The protein expressed in endothelial cells plays a vital role in angiogenesis and tumour progression. CD105 functions as a potential target of epigenetic silencing in lung cancer. Deletion of the gene leads to hereditary hemorrhagic telangiectasia. In addition, mutations in the gene is also associated with various cardiovascular anomalies and different types of cancers.

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Solution in phosphate buffered saline, pH 7.4, with 15 mM sodium azide.

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