Growth differentiation factor 1 (GDF1) is a protein that in humans is encoded by the GDF1 gene. This gene encodes a member of the bone morphogenetic protein (BMP) family and the TGF-beta superfamily. This group of proteins is characterized by a polybasic proteolytic processing site that is cleaved to produce a mature protein containing seven conserved cysteine residues. The members of this family are regulators of cell growth and differentiation in both embryonic and adult tissues. Studies in rodents suggest that this protein is involved in the establishment of left-right asymmetry in early embryogenesis and in neural development in later embryogenesis. This protein is transcribed from a bicistronic mRNA that also encodes the longevity assurance gene.
Background References
1. Gao X. et. al. Association of functional variant in GDF1 promoter with risk of congenital heart disease and its regulation by Nkx2.5. Clin Sci (Lond). 2019 Jun
2. Opazo JC. et. al. Phylogenetic evidence for independent origins of GDF1 and GDF3 genes in anurans and mammals. Sci Rep. 2018 Sep
Immunohistochemical analysis of paraffin-embedded rat brain tissue using anti-GDF1 antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0-8.4) for 20 minutes.The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA500058, 1/500) for 30 minutes at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
Western blot analysis of GDF1 on different lysates with Rabbit anti-GDF1 antibody (HA500058) at 1/5,000 dilution.
Lane 1: Rat brain tissue lysate
Lysates/proteins at 30 µg/Lane. Exposure time: 100 seconds; ECL: K1802
Blocking: 5% NFDM/TBST, 1 hour at room temperature Primary antibody: HA500058, 1/5,000 in 5% NFDM/TBST Secondary antibody: Goat anti-Rabbit IgG-HRP (HA1001), 1/50,000 in 5% NFDM/TBST, 1 hour at room temperature
Predicted band size: 39.5 kDa Observed band size: 50 kDa
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