Nuclear pore glycoprotein p62 is a protein complex associated with the nuclear envelope. The p62 protein remains associated with the nuclear pore complex-lamina fraction. p62 is synthesized as a soluble cytoplasmic precursor of 61 kDa followed by modification that involve addition of N-acetylglucosamine residues, followed by association with other complex proteins. In humans it is encoded by the NUP62 gene. The nuclear pore complex is a massive structure that extends across the nuclear envelope, forming a gateway that regulates the flow of macromolecules between the nucleus and the cytoplasm. Nucleoporins are the main components of the nuclear pore complex in eukaryotic cells. The protein encoded by this gene is a member of the FG repeat containing nucleoporins and is localized to the nuclear pore central plug. This protein associates with the importin alpha/beta complex which is involved in the import of proteins containing nuclear localization signals. Multiple transcript variants of this gene encode a single protein isoform.
Background References
1. Gleixner AM et al. NUP62 localizes to ALS/FTLD pathological assemblies and contributes to TDP-43 insolubility. Nat Commun. 2022 Jun
2. Nag N et al. Mislocalization of Nup62 Contributes to TDP-43 Proteinopathy in ALS/FTLD. ACS Chem Neurosci. 2022 Sep
Western blot analysis of Nucleoporin p62 on different lysates with Rabbit anti-Nucleoporin p62 antibody (HA721594) at 1/1,000 dilution.
Lane 1: Jurkat cell lysate Lane 2: A431 cell lysate Lane 3: HeLa cell lysate Lane 4: Raji cell lysate Lane 5: HepG2 cell lysate Lane 6: C2C12 cell lysate Lane 7: RAW264.7 cell lysate Lane 8: PC-12 cell lysate Lane 9: NIH/3T3 cell lysate Lane 10: Neuro-2a cell lysate
Lysates/proteins at 20 µg/Lane.
Predicted band size: 53 kDa Observed band size: 61 kDa
Exposure time: 40 seconds;
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 (HA721594) at 1/1,000 dilution was used in 5% NFDM/TBST at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:100,000 dilution was used for 1 hour at room temperature.
Immunohistochemical analysis of paraffin-embedded human testis tissue with Rabbit anti-Nucleoporin p62 antibody (HA721594) at 1/1,000 dilution.
The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) (high pressure) for 2 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA721594) at 1/1,000 dilution for 1 hour 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.
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