Angiopoietin-like 4 is a protein that in humans is encoded by the ANGPTL4 gene. Alternatively spliced transcript variants encoded with different isoforms have been described. This gene was previously referred to as ANGPTL2, HFARP, PGAR, or FIAF but has been renamed ANGPTL4. This gene is induced under hypoxic (low oxygen) condition in various cell types and is the target of peroxisome proliferator-activated receptors. The encoded protein is a serum hormone directly involved in regulating lipid metabolism. ANGPTL4 plays an important role in numerous cancers and is implicated in the metastatic process by modulating vascular permeability, cancer cell motility and invasiveness.
Background References
1. Zuo Y et al. Dual role of ANGPTL4 in inflammation. Inflamm Res. 2023 Jun
2. Singh AK et al. Hepatocyte-specific suppression of ANGPTL4 improves obesity-associated diabetes and mitigates atherosclerosis in mice. J Clin Invest. 2021 Jul
Western blot analysis of ANGPTL4 on different lysates with Rabbit anti-ANGPTL4 antibody (HA722823) at 1/2,000 dilution.
Lane 1: A549 cell lysate Lane 2: SW480 cell lysate Lane 3: THP-1 cell lysate Lane 4: HUVEC cell lysate Lane 5: COS-1 cell lysate
Lysates/proteins at 20 µg/Lane.
Predicted band size: 45 kDa Observed band size: 60 kDa
Exposure time: 3 minutes; ECL: K1802;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA722823) at 1/2,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
☑ Knockdown (KD)
Western blot analysis of ANGPTL4 on different lysates with Rabbit anti-ANGPTL4 antibody (HA722823) at 1/2,000 dilution.
Lane 1: HAP1-parental cell lysate Lane 2: HAP1-ANGPTL4 KD cell lysate
Lysates/proteins at 10 µg/Lane.
Predicted band size: 45 kDa Observed band size: 60 kDa
Exposure time: 3 minutes; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA722823) at 1/2,000 dilution was used in primary antibody dilution (K1803) at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
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