PFKFB3 Antibody

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Description

Introduction

The PFKFB3 Antibody (Catalog: DF12016) is a rabbit polyclonal antibody developed by Affinity Biosciences for detecting the PFKFB3 protein, a key regulator of glycolysis and cellular metabolism. This antibody is widely used in research to study PFKFB3's role in cancer, metabolic diseases, and immune responses, leveraging its high specificity for human, mouse, and rat tissues .

Western Blot (WB)

  • Detects PFKFB3 in lysates of cancer cells (e.g., HeLa, HCC) and adipose tissue .

  • Used to confirm PFKFB3 knockdown in studies exploring its role in glycolysis and cell cycle regulation .

Immunohistochemistry (IHC)

  • Localizes PFKFB3 in nuclear and cytoplasmic compartments of tumor cells, including hepatocellular carcinoma (HCC) .

  • Demonstrates PFKFB3 expression in endothelial cells during angiogenesis, supporting its role in tumor vasculature .

Cancer Studies

  1. Hepatocellular Carcinoma (HCC):

    • PFKFB3 expression correlates with poor survival in HCC patients (p = 0.027) .

    • Antibody-based detection confirmed nuclear PFKFB3 localization in HCC cells, linking it to DNA repair dysfunction and apoptosis .

  2. Angiogenesis:

    • PFKFB3 promotes endothelial cell migration and tubular network formation via glycolysis-dependent mechanisms .

Metabolic Regulation

  • In adipose tissue, PFKFB3 knockdown (validated via WB) leads to impaired glucose metabolism and increased inflammation .

  • The antibody has been used to study PFKFB3's role in aging-related insulin resistance .

Mechanistic Insights from Antibody-Based Studies

  • Nuclear Function: PFKFB3 in the nucleus degrades p27, a cell cycle inhibitor, promoting proliferation .

  • Glycolysis-Independent Roles: PFKFB3 regulates CDK activity and DNA repair proteins (e.g., ERCC1) .

Product Specs

Buffer
PBS with 0.02% Sodium Azide, 50% Glycerol, pH 7.3. Store at -20°C. Avoid freeze-thaw cycles.
Lead Time
Typically, we can ship the products within 1-3 business days of receiving your order. Delivery time may vary based on the purchasing method or location. Please consult your local distributors for specific delivery timelines.
Synonyms
6 phosphofructo 2 kinase/ fructose 2,6 bisphosphatase antibody; 6 phosphofructo 2 kinase/fructose 2,6 biphosphatase 3 antibody; 6-bisphosphatase antibody; 6-P2ase 3 antibody; 6-P2ASE brain/placenta-type isozyme antibody; 6PF 2 K/Fru 2,6 P2ASE brain/placenta type isozyme antibody; 6PF 2-K/Fru 2,6 P2ase 3 antibody; 6PF-2-K/Fru-2 antibody; F263_HUMAN antibody; fructose 6 phosphate,2 kinase/fructose 2; 6 bisphosphatase antibody; Fructose-2 antibody; Inducible 6 phosphofructo 2 kinase/fructose 2,6 bisphosphatase antibody; iPFK 2 antibody; iPFK-2 antibody; IPFK2 antibody; PFK/FBPase 3 antibody; PFK2 antibody; PFKFB3 antibody; Renal carcinoma antigen NY REN 56 antibody; Renal carcinoma antigen NY-REN-56 antibody; uPFK antibody
Target Names
Uniprot No.

Target Background

Function
PFKFB3 is an enzyme that plays a crucial role in the synthesis and degradation of fructose 2,6-bisphosphate, a key regulator of glycolysis.
Gene References Into Functions
  1. PI3K-Akt pathway inhibitors, Akti-1/2 and LY294002, reduced PFKFB3 gene induction by PHA, as well as Fru-2,6-P2 and lactate production. Moreover, both inhibitors blocked activation and proliferation in response to PHA, indicating the critical involvement of the PI3K/Akt signaling pathway in the antigen response of T-lymphocytes. PMID: 29435871
  2. These findings suggest that PFKFB3 possesses an oncogene-like regulatory element in the progression of lung adenocarcinoma. PMID: 29327288
  3. Research indicates that PFKFB3 is implicated in the proliferation, migration, invasion, and angiogenesis of breast cancer cells. PMID: 29393396
  4. Studies suggest that p53 promotes nucleotide biosynthesis in response to DNA damage by repressing the expression of PFKFB3, a rate-limiting enzyme that promotes glycolysis. PMID: 27901115
  5. This study provides evidence that PFKFB3 overexpression plays a dominant role in sorafenib resistance of hepatocellular carcinoma cells. PMID: 28857200
  6. This work has unveiled a novel function of the enzymes PFKFB3 and PFKFB4 in ovarian cancer cells during mitotic arrest. PMID: 28152500
  7. PFK-2 appears to be a strategic element that links NADPH oxidase activation and glycolysis modulation, suggesting its potential as a therapeutic target in inflammatory diseases. PMID: 27799347
  8. Data suggest that hepatic glucokinase activity is regulated by reversible binding to specific inhibitor protein glucokinase regulatory protein (GKRP) and by binding to activator proteins such as 6-phosphofructo-2-kinase/fructose 2,6-bisphosphatase (PFK2/FBP2). Alterations in glucokinase expression and activity are associated with poorly controlled type 2 diabetes and nonalcoholic fatty liver disease. [REVIEW] PMID: 27146014
  9. PFKFB3 was identified as a novel downstream substrate of the mTOR signaling pathway, as PFKFB3 levels increased after knocking down TSC2 in THP1 and OCI-AML3 acute myeloid leukemia cells. PMID: 28082200
  10. Our findings identify PFKFB3 as a key TGFbeta1 effector protein that mediates TGFbeta1's effect on Snail expression, invasion, and glycolysis. PMID: 28161638
  11. We investigate the crosstalk between PFKFB3 and TIGAR (TP53-Induced Glycolysis and Apoptosis Regulator), a protein known to protect cells from oxidative stress. Our results show consistent TIGAR induction in HeLa cells in response to PFKFB3 knockdown. PMID: 27491040
  12. Knockdown of PFKFB3 by siRNAs significantly inhibited the proliferation and migration abilities of gastric cancer cells. Our data suggest that PFKFB3 may be a potential biomarker for gastric cancer and an anti-neoplastic targeting gene. PMID: 27983531
  13. Targeting MCT1 and PFKFB3 regulated cell proliferation. PMID: 27373212
  14. The novel role of PFKFB3 in the induction of paclitaxel resistance by increasing lactate production and activating TLR4 signaling was characterized. PMID: 27262815
  15. A novel role of PFKFB3 in glycolytic metabolism and ER stress of OA cartilage explants and chondrocytes was explored. PMID: 26718307
  16. Our data suggest that chronic inflammation promotes the development of CRC by stimulating aerobic glycolysis and IL-6 is functioning, at least in part, through regulating PFKFB3 at the early stage of colorectal cancer (CRC). PMID: 26530697
  17. MicroRNA-26b inhibits osteosarcoma cell migration and invasion by down-regulating PFKFB3 expression. PMID: 26681033
  18. The expression of PFKFB3, PFKFB4, NAMPT, and TSPAN13 is strongly up-regulated in pediatric glioma. PMID: 27491149
  19. Data indicate that 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase3 (PFKFB3) and phosphofructokinase (PFK1) expression allows discrimination between induced pluripotent stem cells (iPS) and cancer stem cells (CSCs). PMID: 26337471
  20. A binding site for miR-26b was predicted in the 3'UTR of PFKFB3. miR-26b overexpression repressed PFKFB3 mRNA and protein levels. PMID: 25672572
  21. Data show that inhibition of AMP-Activated kinase (AMPK) or 6-phosphofructo-2-kinase-fructose-2,6-biphosphatase 3 (PFKFB3) results in enhanced cell death in mitosis. PMID: 26322680
  22. Shh regulates PFKFB3 activation in breast cancer cells. PMID: 26171876
  23. This study demonstrated that miR-206 regulated PFKFB3 expression in breast cancer cells, thereby inhibiting glycolysis, cell proliferation, and migration. PMID: 26093295
  24. PFKFB3 promotes cell cycle progression and suppresses apoptosis via Cdk1-mediated phosphorylation of p27. PMID: 25032860
  25. Shear stress-mediated repression of endothelial cell metabolism via KLF2 and PFKFB3 controls endothelial cell phenotype. PMID: 25359860
  26. Given that deregulation of endometrial SRC-2 expression has been associated with common gynecological disorders of reproductive-age women, this signaling pathway, involving SRC-2 and PFKFB3, is of particular interest. PMID: 24204309
  27. Reduced methylation of PFKFB3 shifted glucose utilization from glycolysis toward the pentose phosphate pathway. PMID: 24633012
  28. PFKFB3 is a promising target for the reduction of endothelial glycolysis and its related pathological angiogenesis. PMID: 24700124
  29. Blockade of PFKFB3 by the small molecule 3-(3-pyridinyl)-1-(4-pyridinyl)-2-propen-1-one (3PO) reduced vessel sprouting. PMID: 24332967
  30. PFKFB3 regulates oxidative stress homeostasis via its S-glutathionylation in cancer. PMID: 24295899
  31. The estrogen receptor directly promotes PFKFB3 mRNA transcription. PMID: 24515104
  32. Phosphofructokinase deficiency impairs ATP generation, autophagy, and redox balance in rheumatoid arthritis T cells. PMID: 24043759
  33. This study showed that endothelial cells (ECs) relied on glycolysis rather than on oxidative phosphorylation for ATP production and that loss of the glycolytic activator PFKFB3 in ECs impaired vessel formation. PMID: 23911327
  34. Stress stimuli affect PFKFB3 transcriptional regulation and kinase activation by protein phosphorylation and glycolysis in cancer cells. PMID: 23548149
  35. Low bisphosphatase activity of PFKFB3 is solely due to the presence of a serine at residue 302. PMID: 22275052
  36. Inducible PFKFB3 is required for increased growth, metabolic activity, and is regulated through active JAK2 and STAT5. PMID: 21860432
  37. The allelic deletion of PFKFB3 resulted in a decrease of PFKFB3 mRNA level accompanied by a lower PFKFB3 protein level. PMID: 21987444
  38. The breakdown of PFKFB3 during S phase occurs specifically via a distinct residue (S(273)) within the conserved recognition site for SCF-beta-TrCP. PMID: 22106309
  39. Data demonstrate that PFKFB3 is essential for cell division and that it is regulated by APC/C-Cdh1 and SKP1-CUL1-F (SCF)-beta-TrCP. PMID: 21402913
  40. Interleukin 6 enhances glycolysis through the expression of the glycolytic enzymes hexokinase 2 and 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase-3. PMID: 20453422
  41. The glycolysis-promoting enzyme 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase, isoform 3 (PFKFB3), is degraded by the E3 ubiquitin ligase APC/C-Cdh1. PMID: 20080744
  42. Our results demonstrate that the splice variant UBI2K4 impedes tumor cell growth and might serve as a tumor suppressor in astrocytic tumors. PMID: 19490427
  43. The results show the expression of the pfkfb3 gene in and its downregulation during myogenic cell differentiation. The decrease of uPFK-2 isozyme levels, a product of the pfkfb3 gene, is due to its degradation through the ubiquitin-proteasome pathway. PMID: 12935880
  44. PFKFB3 cloning and characterization. PMID: 12963966
  45. pfkfb3 is a hypoxia-inducible gene that is stimulated through HIF interaction with the consensus HRE site in its promoter region. PMID: 15466858
  46. Kinase activity of human brain 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase is regulated via inhibition by phosphoenolpyruvate. PMID: 15896703
  47. Findings support a potential role for the phosphorylation of PFKFB3 protein in the progression of cancer and angiogenesis. PMID: 16115917
  48. Insulin induces the phosphorylation of PFKFB3 protein, expanding the role of these structurally unique iPFK-2/PFKFB3 isoforms in the metabolic regulation of adipocytes. PMID: 16306349
  49. Our results clearly demonstrated the existence of a splice isoform of PFKFB-4 mRNA in the DB-1 melanoma cells and its overexpression under hypoxic conditions. PMID: 16311927
  50. The results obtained highlight the importance of uPFK-2 on the regulation of glycolysis, on cell viability and proliferation, and also on anchorage-independent growth. PMID: 16698023

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Database Links

HGNC: 8874

OMIM: 605319

KEGG: hsa:5209

STRING: 9606.ENSP00000369100

UniGene: Hs.195471

Protein Families
Phosphoglycerate mutase family
Tissue Specificity
Ubiquitous.

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