Protein atonal homolog 1 is a protein that in humans is encoded by the ATOH1 gene. This protein belongs to the basic helix-loop-helix (BHLH) family of transcription factors. It activates E-box dependent transcription along with TCF3 (E47). ATOH1 is required for the formation of both neural and non-neural cell types. Using genetic deletion in mice, Atoh1 has been shown to be essential for formation of cerebellar granule neurons, inner ear hair cells, spinal cord interneurons, Merkel cells of the skin, and intestinal secretory cells (goblet, enteroendocrine, and Paneth cells). ATOH1 is a mammalian homolog of the Drosophila melanogaster gene atonal. ATOH1 is considered part of the Notch signaling pathway. In 2009, ATOH1 was identified as a tumor suppressor gene.
Background References
1. Castellino RC. et. al. Atoh1/MATH1 Adds Up to Ciliogenesis for Transducing SHH Signaling in the Cerebellum. Dev Cell. 2019 Jan
2. Zhong C. et. al. Atoh1 and other related key regulators in the development of auditory sensory epithelium in the mammalian inner ear: function and interplay. Dev Biol. 2019 Feb
Western blot analysis of MATH1 / HATH1 on different lysates with Rabbit anti-MATH1 / HATH1 antibody (HA720091) at 1/1,000 dilution.
Lane 1: HepG2 cell lysate Lane 2: SW480 cell lysate Lane 3: SW620 cell lysate Lane 4: HCT 116 cell lysate Lane 5: Human brain tissue lysate
Lysates/proteins at 20 µg/Lane.
Predicted band size: 38 kDa Observed band size: 38 kDa
Exposure time: 1 minute;
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 (HA720091) 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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