Spexin peptidereddit The spexin peptide is a recently identified neuropeptide with significant roles in regulating metabolism, appetite, and cardiovascular function. As a conserved peptide found in humans and rodents, spexin acts as both a neurotransmitter and an endocrine factor, influencing various physiological processesSpexin (6090) by Tocris, Part of Bio-Techne. Its discovery has opened new avenues for understanding and potentially treating metabolic disorders such as obesity and diabetes.Peptide hormones aresmall, processed, and secreted peptidesthat signal via membrane receptors and play critical roles in normal and pathological physiology.
Spexin, also known as neuropeptide Q (NPQ), is a 14-amino acid peptide that belongs to the galanin/kisspeptin/spexin family of peptides. This peptide is highly conserved across mammalian species, suggesting fundamental biological importance. Research indicates that spexin plays a crucial role in energy homeostasis, influencing food intake and lipid metabolism. It has been shown to reduce adipocyte uptake of long-chain fatty acids and promote weight loss in rodent models of diet-induced obesity. Furthermore, spexin is implicated in cardiovascular and renal function, as well as nociception (pain perception).
The primary mechanism through which spexin exerts its effects is by activating galanin receptors, specifically GAL2 and GAL3. By binding to these receptors, spexin modulates neuronal signaling pathways involved in appetite regulation and metabolic control. Its ability to inhibit food consumption and reduce the absorption of dietary fats contributes to its observed effects on body weight.
Beyond its role in metabolism, spexin has been linked to several other physiological functions:
* Cardiovascular and Renal Regulation: Spexin influences blood pressure and salt and water balance, suggesting a role in maintaining cardiovascular homeostasis.Spexin-2 (53-70), human,mouse,rat(NPQ 53-70) is a biological active peptide. (This is Spexin-2 (53-70), non-amidated version of the novel peptide hormone that
* Pain Perception: Research indicates that spexin can modulate nociceptive responses, potentially impacting pain signaling pathwaysSpexin is aconserved peptide plays roles of neurotransmitter/neuromodulator and endocrine factor.Spexin peptidecontains numerous aromatic amino acids..
* Endocrine Function: Spexin has been observed in endocrine tissues and may interact with other signaling pathways, such as GLP-1R, to regulate endocrine cell function.
The connection between spexin and metabolic health is a significant area of research. Studies have shown that spexin gene expression is down-regulated in obese human fat tissue, and administration of spexin can induce weight loss in animal models.Spexin-2 (53-70), human,mouse,rat (Synonyms: NPQ 53-70) This suggests that impaired spexin signaling may contribute to the development of obesity and related metabolic disturbances作者：JL Walewski·2014·被引用次数：230—Spexin gene expression is markedly down-regulated in obese human fat. The peptide produces weight loss in DIO rodents. Its effects on appetite ....
Furthermore, spexin has demonstrated potential therapeutic benefits in conditions like diabetic nephropathy (DN).Advances in research on spexin-mediated regulation of ... It has been shown to alleviate renal injury by mitigating metabolic disturbances, oxidative stress, inflammation, and apoptosis, highlighting its protective effects in a disease context.Spexin (Neuropeptide Q) | GAL2/3 Agonist
Spexin is phylogenetically related to other neuropeptides like kisspeptin and galanin. While distinct in their specific functions, these peptides often work in concert to regulate complex physiological processes, including metabolism, reproduction, and puberty.
The ongoing research into spexin peptide continues to uncover its multifaceted roles in the body. Its potential as a therapeutic agent for weight management, metabolic disorders, and potentially other conditions is a promising area of investigation. As our understanding deepens, spexin may emerge as a key target for interventions aimed at improving metabolic health and overall well-being.
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