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Placental Protein 13 (Galactoside-Binding Soluble Lectin 13, Galectin-13, Gal-13, Placental tissue protein 13, PP13, LGALS13, PLAC8)

Placental protein 13 (PP13, Galectin 13) is the member of the beta-galactoside binding S-type galectin superfamily, whose members are important in placenta implantation and remodelling of maternal arteries. PP13 binds to beta-galactoside residues of several proteins on the cell surface, cytoskeleton and extracellular matrix, thereby generating various responses such as immune responses and influencing other functions like apoptosis and molecular recognition. PP13, which is predominantly produced by placental tissue, possesses a conserved carbohydrate binding domain, to which two proteins Annexin-II and Actin-beta bind. These proteins are considered to play a key role in placentation and maternal artery remodelling respectively. Human PP13 is a relatively small protein with 139 amino acids and is composed of two identical 16 kDa subunits held together by disulfide bonds. PP13 was first isolated from placenta and especially from the syncytiotrophoblast in 1983 by Bohn et. al. It is localized to the syncytiotrophoblast brush border membrane, and detected in maternal and cord blood. Though it is found primarily in placenta, some PP13 expression was also detected in healthy spleen, kidney and bladder tissue and in liver adenocarcinoma, neurogen tumour and malignant melanoma. The serum levels of PP13 slowly increase during a normal pregnancy but abnormally low levels of PP-13 were detected in first trimester serum samples of women subsequently developing fetal growth restriction and preeclampsia, especially in cases with early onset. Elevated serum concentrations of PP-13 have been found in the second and third trimester in women with preeclampsia, intrauterine growth restriction (IUGR) and in preterm delivery. Another study concluded that first-trimester serum levels of PP13 may serve as a suitable marker for preterm preeclampsia but are weak for the prediction of severe preeclampsia and ineffective for mild preeclampsia at term.

1 result found in Proteins
1 result found in Antibodies

Product Size Price
Placental Protein 13 (Galectin-13) Human E. coli

Type: Recombinant protein

RD172254100 0.1 mg