Neuronatin is a protein that in humans is encoded by the NNAT gene involved in mammalian brain development. It is located on Chromosome 20 in humans and is only expressed from the paternal allele in normal adults. The protein neuronatin, a proteolipid, that functions in the control of ion channels during brain development. Neuronatin begins the differentiation of pluripotent stem cells into cells with a neural fate by increasing their calcium levels. Neuronatin expression in neural tissues throughout the brain contributes to development of the nervous system. It is also expressed in several tissues outside of the brain. For example, expression in skin cells controls the differentiation of keratinocytes. Neuronatin expression functions not only in development, but other processes throughout the body.
Background References
1. Rudolph A et al. Circulating Neuronatin Levels Are Positively Associated with BMI and Body Fat Mass but Not with Psychological Parameters. Nutrients. 2023 Aug
2. Xing P et al. Neuronatin gene expression levels affect foetal growth and development by regulating glucose transport in porcine placenta. Gene. 2022 Jan
Western blot analysis of Neuronatin on different lysates with Rabbit anti-Neuronatin antibody (HA722326) at 1/1,000 dilution.
Lane 1: SH-SY5Y cell lysate Lane 2: SK-Br-3 cell lysate (negative) Lane 3: E14.0 mouse brain tissue lysate Lane 4: Mouse embryo tissue lysate Lane 5: Rat embryo tissue lysate
Lysates/proteins at 20 µg/Lane.
Predicted band size: 9 kDa Observed band size: 12 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 (HA722326) 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.
Immunohistochemical analysis of paraffin-embedded human brain tissue with Rabbit anti-Neuronatin antibody (HA722326) at 1/200 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 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 (HA722326) at 1/200 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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