Description
Product Characteristics: Rpsa is required for the assembly and/or stability of the 40S ribosomal subunit. It is also required for the processing of the 20S rRNA-precursor to mature 18S rRNA in a late step of the maturation of 40S ribosomal subunits. It slso functions as a cell surface receptor for laminin. It plays a role in cell adhesion to the basement membrane and in the consequent activation of signaling transduction pathways. It may play a role in cell fate determination and tissue morphogenesis. It also acts as a receptor for several other ligands, including the pathogenic prion protein, viruses, and bacteria. It enables malignant tumor cells to penetrate laminin tissue and vessel barriers and activates precursor thymic anti-OFA/iLRP specific cytotoxic T cell. It may induce CD8 T-suppressor cells secreting IL-10. Synonyms: Polyclonal Rpsa antibody, Anti-Rpsa antibody, ribosomal protein SA antibody, 67kDa antibody, 67lr antibody, AL022858 antibody, Lamr antibody, Lamr1 antibody, Lamrl1 antibody, MGC117921 antibody, MGC118614 antibody, MLR antibody, P40 antibody, P40-3 antibody, P40-8 antibody.
Target Information: Laminins, a family of extracellular matrix glycoproteins, are the major noncollagenous constituent of basement membranes. They have been implicated in a wide variety of biological processes including cell adhesion, differentiation, migration, signaling, neurite outgrowth and metastasis. Many of the effects of laminin are mediated through interactions with cell surface receptors. These receptors include members of the integrin family, as well as non-integrin laminin-binding proteins. This gene encodes a high-affinity, non-integrin family, laminin receptor 1. This receptor has been variously called 67 kD laminin receptor, 37 kD laminin receptor precursor (37LRP) and p40 ribosome-associated protein. The amino acid sequence of laminin receptor 1 is highly conserved through evolution, suggesting a key biological function. It has been observed that the level of the laminin receptor transcript is higher in colon carcinoma tissue and lung cancer cell line than their normal counterparts. Also, there is a correlation between the upregulation of this polypeptide in cancer cells and their invasive and metastatic phenotype. Multiple copies of this gene exist, however, most of them are pseudogenes thought to have arisen from retropositional events. Two alternatively spliced transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Jul 2008]