Recombinant FPGS antibody

Catalog No. ABIN7880807

This Rabbit Monoclonal antibody specifically detects FPGS in WB. It exhibits reactivity toward Human, Mouse and Rat.

Quick Overview for Recombinant FPGS antibody (ABIN7880807)

Target: FPGS (Folylpolyglutamate Synthase (FPGS))

Antibody Type: Recombinant Antibody

Reactivity: Human, Mouse, Rat

Host: Rabbit

Clonality: Monoclonal

Conjugate: This FPGS antibody is un-conjugated

Application: Western Blotting (WB)

Clone: 29F90

Product Details anti-FPGS Antibody

Purpose: FPGS Antibody / Folylpolyglutamate synthase

Purification: Affinity chromatography

Immunogen: A synthesized peptide derived from human FPGS was used as the immunogen for the FPGS antibody.

Isotype: IgG

Application Details

Application Notes: Optimal dilution of the FPGS antibody should be determined by the researcher.

Restrictions: For Research Use only

Handling

Format: Liquid

Buffer: Rabbit IgG in phosphate buffered saline, pH 7.4, 150 mM NaCl, 0.02 % sodium azide and 50 % glycerol, 0.4-0.5 mg/mL BSA

Preservative: Sodium azide

Precaution of Use: This product contains Sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.

Storage: -20 °C

Storage Comment: Store the FPGS antibody at -20oC.

Target Details for FPGS

Target: FPGS (Folylpolyglutamate Synthase (FPGS))

Alternative Name: FPGS

Background: FPGS antibody detects Folylpolyglutamate synthase, encoded by the FPGS gene. Folylpolyglutamate synthase is a key enzyme in folate metabolism that catalyzes the addition of glutamate residues to folate and antifolate compounds, converting them into polyglutamated forms that are retained within cells. These polyglutamates are essential for nucleotide biosynthesis and methylation reactions, as they serve as cofactors in one-carbon metabolism. FPGS antibody provides researchers with a powerful tool to study folate biology, cancer metabolism, and drug resistance.

Folylpolyglutamate synthase is localized to both mitochondria and cytosol, ensuring polyglutamation occurs in multiple compartments. This enzyme plays an indispensable role in maintaining pools of tetrahydrofolate derivatives required for DNA synthesis and repair. Research using FPGS antibody has revealed that reduced enzyme activity decreases intracellular folate retention and disrupts nucleotide biosynthesis, leading to impaired proliferation. These findings explain why mutations or dysregulation of FPGS contribute to megaloblastic anemia and developmental defects.

In oncology, FPGS is highly relevant because it modulates the activity of antifolate chemotherapeutics such as methotrexate and pemetrexed. These drugs require polyglutamation by FPGS for retention and enhanced potency. Research using FPGS antibody has demonstrated that low expression of Folylpolyglutamate synthase confers resistance to antifolate therapy, while high activity sensitizes cells to treatment. This makes FPGS an important biomarker for predicting drug response in leukemia, lymphoma, and solid tumors. Studies continue to evaluate whether modulation of FPGS expression can overcome resistance and improve outcomes in antifolate-based regimens.

Beyond cancer, folate metabolism plays critical roles in pregnancy, neural tube development, and cardiovascular health. Research with FPGS antibody has shown that adequate polyglutamate production is required for normal development, and deficiencies in this pathway contribute to congenital malformations and disease. As such, FPGS remains an important protein in both clinical and nutritional studies. Immunohistochemistry and western blotting using FPGS antibody have confirmed its widespread expression across tissues, with particular enrichment in proliferative and metabolically active cells.

FPGS antibody is used in western blotting, immunohistochemistry, and enzyme activity assays. Western blotting measures relative abundance in normal and tumor tissue, immunohistochemistry demonstrates tissue distribution, and enzymatic assays link FPGS expression with catalytic activity. Together, these methods provide a full picture of how Folylpolyglutamate synthase supports cell metabolism, proliferation, and therapeutic responses.

By providing validated FPGS antibody reagents, NSJ Bioreagents supports studies of folate biology, drug resistance, and one-carbon metabolism. Detection of Folylpolyglutamate synthase enables researchers to explore fundamental metabolic pathways and their implications in health and disease.

UniProt: Q05932