CD9 is a gene encoding a protein that is a member of the transmembrane 4 superfamily also known as the tetraspanin family.

CD9, or Tspan 29 in the systematic nomenclature, is a 21–24 kDa member of the tetraspanin protein family.

Dec 5, 2025 · In this review, we overview the tetraspanin family and summarize current knowledge on CD9 regulation and function across cancers, with a focus on leukemia.

Jan 14, 2026 · Complete information for CD9 gene (Protein Coding), CD9 Molecule, including: function, proteins, disorders, pathways, orthologs, and expression. GeneCards - The Human Gene Compendium

CD9 is a cell-surface protein and a member of the tetraspanin family which is found in several tissues. It modifies multiple cellular events, including adhesion, migration, proliferation, and survival.

Feb 8, 2025 · CD9_LEL; Tetraspanin, extracellular domain or large extracellular loop (LEL), CD9 family. Tetraspanins are trans-membrane proteins with 4 trans-membrane segments.

Mar 15, 2022 · Regulates cell motility, development, activation, growth and adhesion (Blood 2011;117:1840), differentiation (OMIM #143030), fertilization (oocyte CD9 is required for sperm-egg …

Apr 30, 2018 · CD9, or Tspan 29 in the systematic nomenclature, is a 21–24 kDa member of the tetraspanin protein family.

CD9 is a transmembrane member of the tetraspanin family. It is also an integrin-associated membrane protein that regulates sperm-egg fusion, platelet activation and aggregation, and cell adhesion.

CD9+ and CD9- HSCs from both MF and HD samples were compared in clonogenic and differentiation assays in vitro. Finally, the disease-propagating potential of each population was tested through …