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.

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

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.

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

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 …

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.

CD9 is involved in platelet activation and aggregation. It also participates in cell adhesion, cell motility, and tumor metastasis. CD9 was initially thought to be a specific exosome marker; however, it is now …

CD9 is a protein that is involved in cell signaling and adhesion. It is found on the surface of various cells, including cancer cells, and has been implicated in the communication between cancer cells and their …

In the present minireview, we intend to provide a brief history of the field of CD9 involvement in oncogenesis and in the metastatic process of cancer, considering its potential value as a tumor …