Aldehyde dehydrogenase 1 family, member A3, also known as ALDH1A3 or retinaldehyde dehydrogenase 3 (RALDH3), is an enzyme that in humans is encoded by the ALDH1A3 gene. Aldehyde dehydrogenase isozymes are thought to play a major role in the detoxification of aldehydes generated by alcohol metabolism and lipid peroxidation. The enzyme encoded by this gene uses retinal as a substrate, either in a free or a cellular retinol-binding protein form. ALDH1A3 gene has been observed progressively downregulated in Human papillomavirus-positive neoplastic keratinocytes derived from uterine cervical preneoplastic lesions at different levels of malignancy. For this reason, ALDH1A3 is likely to be associated with tumorigenesis and may be a potential prognostic marker for uterine cervical preneoplastic lesions progression.
Background References
1. Li D et al. ALDH1A3 Coordinates Metabolism With Gene Regulation in Pulmonary Arterial Hypertension. Circulation. 2021 May
2. Son J et al. Genetic and pharmacologic inhibition of ALDH1A3 as a treatment of β-cell failure. Nat Commun. 2023 Feb
Western blot analysis of ALDH1A3 on different lysates with Rabbit anti-ALDH1A3 antibody (HA500541) at 1/1,000 dilution.
Lane 1: HepG2 cell lysate (20 µg/Lane) Lane 2: SW1990 cell lysate (20 µg/Lane) Lane 3: U-87 MG cell lysate (20 µg/Lane) Lane 4: A431 cell lysate (20 µg/Lane) Lane 5: Human kidney tissue lysate (40 µg/Lane) Lane 6: Human liver tissue lysate (40 µg/Lane) Lane 7: Mouse kidney tissue lysate (40 µg/Lane) Lane 8: Rat liver tissue lysate (40 µg/Lane)
Predicted band size: 56 kDa Observed band size: 56 kDa
Exposure time: 43 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 (HA500541) at 1/1,000 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.
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