Biochem/physiol Actions

Solute carrier family 34 member 2 (SLC34A2) cotransports inorganic phosphate ion and sodium ion into epithelial cells. SLC34A2 is associated with various malignancies like papillary thyroid and breast carcinoma and lung adenocarcinoma. Knockdown of SLC34A2 downregulates phosphatidylinositol 3-kinase (PI3K)/protein kinase B (Akt) signalling pathway, in turn inhibiting tumour cell proliferation and metastasis of hepatocellular carcinoma. SLC34A2 promotes tumour proliferation of bladder cancer, through upregulation of proto-oncogene c-Myc. Fetal and early embryonic development of lung requires high expression of SLC33A2 and is downregulated in NSCLC (non-small cell lung carcinoma). High expression of NaPi-IIb is observed in epithelial ovarian cancer. Overexpression of SLC34A2 promotes colorectal cancer progression. Mutations in SLC34A2 is related to pulmonary alveolar microlithiasis.

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General description

Solute carrier family 34 member 2 (SLC34A2) is a transmembrane protein, which belongs to SLC34 family. The protein encoded by SLC34A2 is a sodium-dependent phosphate transporter type IIb (NaPi-IIb). It is a pH-sensitive transporter, expressed in small intestine, liver and lung. NaPi-IIb expression is also observed in female genital tract, endometrium, cervix, fallopian tube and not in ovary. In human chromosome, the gene SLC34A2 is localized on 4p15.2.

Immunogen

Synthetic peptide corresponding to residues near the C terminal of human Solute carrier family 34 (sodium phosphate), member 2

Physical form

Rabbit IgG in pH7.3 PBS, 0.05% NaN₃, 50% Glycerol.

Specificity

The antibody detects endogenous levels of total SLC34A2 protein.