Total anti-N-terminal AA-NAT-specific IgG was affinity purified on resin-coupled non-phosphopeptide.
Phospho-specific N-terminal IgG was subsequently isolated on resin-coupled phosphopeptide.
Pineal gland Serotonin N-acetyltransferase (Arylalkylamine N-acetyltransferase, AA-NAT) is an ~23 kDa protein which is the rate-limiting enzyme in melatonin synthesis. Melatonin serves as the hormonal signal of the daily light / dark cycle, or body clock. The nocturnal oscillation in enzyme activity ranges by 10- to 100-fold depending on species among vertebrates. Studies have shown that AA-NAT is regulated by cAMP at both the mRNA and protein levels. AA-NAT has putative protein kinase A (PKA) sites at Thr 29 and Ser 206. Phosphorylation of AA-NAT at these residues might play a role in protein inactivation via proteasome-dependent degradation.
Hou B et al. Homeostatic Plasticity Mediated by Rod-Cone Gap Junction Coupling in Retinal Degenerative Dystrophic RCS Rats. Front Cell Neurosci11:98 (2017).
IHC (PFA fixed)
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Moran AW et al. Expression of Na+/glucose co-transporter 1 (SGLT1) is enhanced by supplementation of the diet of weaning piglets with artificial sweeteners. Br J Nutr104:637-46 (2010).
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