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CURATOR
A pinboard by
Abayomi Ajayi

Lecturer, Kogi State University, Anyigba

PINBOARD SUMMARY

Alkaline phosphatases (APs) are widely distributed in nature from bacteria to humans, suggesting their involvement in important biological processes. Tissue-nonspecific AP are a class of TNAP that is present in numerous tissues but particularly abundant in the kidneys and the central nervous system (CNS). Neuropeptides are key mediators of biological processes in animals. The tetrapeptide FMRFamide neuropeptide (after the single-letter amino acid sequence Phe-Met-Arg-Phe-NH2) was isolated from ganglia of a mollusc, the clam Macrocallista nimbosa. FMRFamide became the first recognized member of FMRFamide-related peptides (FaRPs), a large assemblage of neuropeptides found throughout the metazoa. FaRPs are identified by the possession of a C-terminal -RFamide (-Arg-Phe-NH2) amino acid sequence and their presence have been described in invertebrates and vertebrates. FMRFamide-related peptides have been shown to be present in the rat's brain and spinal cord. The areas of the brain that show the presence of FMRFamide-like immunoreactivity indicate that FaRPs may have a neurotransmitter role in the mammalian brain. Hence, my research is to explore the FaRPs-mediated functions and the related roles of TNAP in vertebrates. The overall goal of this research is to understand the functional and therapeutic characteristics of FMRFamide-related peptides (FaRPs) in vertebrates. To this end, we are currently looking at the role of TNAP in FaRPs-mediated functions and explore the putative interactions between FaRPs and TNAP in the central nervous system of vertebrates, and how such interactions could shed more light on neuropeptide signaling pathways in the CNS. Moreover, such interactions could be exploited in addressing conditions like neurodegenerative diseases such as Alzheimer and Parkinson disease, memory loss, drug addiction and pain management.

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