peptide vasoactif intestinal le VIP est un facteur important pour la régulation de la biosynthèse de testostérone - VIPpeptidedosage subcutaneous Vasoactive intestinal polypeptide Unveiling the Multifaceted Role of Peptide Vasoactif Intestinal (VIP)

VIPpeptideerectile dysfunction Peptide vasoactif intestinal (VIP), a fascinating neuropeptide, plays a remarkable and diverse role within the human body, extending far beyond its initial identification.Vasoactive intestinal peptide (VIP) is a 28-amino-acid peptide known for its potent vasodilator activity and role in various biological functions across ... Initially recognized for its potent vasodilatory properties and its presence in the intestine, extensive research has revealed its widespread influence across various physiological systems. This article delves into the intricate functions, distribution, and clinical significance of VIP, drawing upon established scientific understanding to provide a comprehensive overview.

What is Peptide Vasoactif Intestinal?

At its core, peptide vasoactif intestinal (VIP) is a peptide hormone and a neuropeptide consisting of 28 amino acids. Its significance lies in its ability to act as both a neurotransmitter and a neuromodulator.VIP This peptide is not confined to a single location; it is widely distributed in both the central and peripheral nervous system, and also present in the enteric system as a neurotransmitter.Le PIV (VIP) est une hormone produite par plusieurs tissus de l'organismeet présente principalement dans le système digestif, où son action consiste à stimuler ... Furthermore, VIP is a hormone found in the pancreas, intestine, and central nervous system, underscoring its systemic reachVasoactive Intestinal Peptide (VIP).

Physiological Functions and Mechanisms of Action:

The Vasoactive intestinal polypeptide (VIP) exerts its influence through a variety of mechanisms作者：J Watanabe·2016·被引用次数：2—Vasoactive intestinal peptide (VIP) is a neuropeptide consisting of 28 aa residues, with wide distribution in the central and peripheral nervous systems.. Its most well-known action is its potent vasodilator activity, meaning it relaxes and widens blood vessels, thereby increasing blood flow.血管活性腸肽 This property is crucial for regulating blood pressure and supplying oxygen and nutrients to tissues.

Beyond vasodilation, VIP is involved in a multitude of other crucial bodily functions:

* Gastrointestinal Regulation: VIP plays a significant role in the gastrointestinal tract. It stimulates the secretion of water into pancreatic juice and bile, aiding in digestion. Conversely, it inhibits gastric acid secretion and absorption from the stomach. It is a Peptide neurotransmetteur du tractus gastro-intestinal qui stimule la motricité et la sécrétion gastro-intestinale. In essence, le PIV (VIP) est une hormone produite par plusieurs tissus de l'organisme et présente principalement dans le système digestif, où son action consiste à stimuler various digestive processes2024年9月19日—Detectingvasoactive intestinal polypeptide-producing tumorsin patients with chronic diarrheal diseases..

* Smooth Muscle Relaxation: VIP induces smooth muscle relaxation throughout the body. This contributes to its vasodilator effect and also extends to other smooth muscle tissues, such as those in the airways, leading to bronchodilator activity. It is recognized as a vasodilator, bronchodilator and smooth muscle relaxant.

* Endocrine and Exocrine Secretion: As a hormone, VIP influences the secretion of various substances. Its role in regulating pancreatic and bile secretion has been well-documented.3天前—Others such asvasoactive intestinal polypeptide, and peptides that are involved in the sleep mechanism, so-called orexins, are the targets ...

* Reproductive System Regulation: Emerging research suggests le VIP est un facteur important pour la régulation de la biosynthèse de testostérone et la sécrétion de FSH (follicle-stimulating hormone)Vasoactive Intestinal Peptide (VIP). This points to a role in male reproductive health.2023年10月4日—Chemical Identifiers· UNII: 6J2WVD66KR · CAS number: 37221-79-7 · InChI Key: VBUWHHLIZKOSMS-RIWXPGAOSA-N · InChI · IUPAC Name · SMILES. CC[C@H]( ...

* Immune System Modulation: VIP modulates the activity of numerous immune system cell types. This highlights its involvement in immune responses and inflammation.

* Neural Function: As a neuropeptide, VIP acts as a signaling molecule within the nervous system. It is present in the peripheral and the central nervous systems where it functions as a nonadrenergic, noncholinergic mediator. It is also found in the CNS (in the cerebral cortex and cerebellum).Vasoactive intestinal polypeptide - UpToDate

Clinical Significance and Potential Applications:

The multifaceted nature of VIP has led to investigations into its potential clinical applications.

* VIPoma and Tumors: Significantly high levels of VIP can sometimes be indicative of a VIPoma, an extremely rare tumor that produces excessive amounts of this peptide. The detection of vasoactive intestinal polypeptide-producing tumors is crucial for diagnosing conditions associated with chronic diarrheal diseases.VIP - Overview: Vasoactive Intestinal Polypeptide, Plasma

* Therapeutic Potential: Research indicates that VIP and its analogs have great potential in the treatment of tumors, diabetes, inflammatory bowel diseases, sepsis, rheumatoid arthritis and neurodegenerative diseases. This broad spectrum of potential therapeutic targets underscores the profound biological impact of this peptide.

* Diagnostic Testing: In some clinical contexts, a Vasoactive Intestinal Peptide Test may be used to measure the VIP level in the blood. This can be a valuable diagnostic tool, particularly when VIPoma is suspected. The pricing for such a test might be around 24,3 €, with specific laboratory codes (_VIP) and sample requirements (plasma, frozen).

Chemical Identity:

For researchers and medical professionals, the chemical identifiers for Vasoactive intestinal peptide are important. Its CAS number is 37221-79-7, and its molecular formula is C147H237N43O43S. This level of detail is critical for accurate scientific research and drug development.

In conclusion, peptide vasoactif intestinal (VIP) is a critical and versatile molecule with a profound impact on human health. Its roles in vasodilation, gastrointestinal function, smooth muscle activity, and its potential as a therapeutic agent highlight its ongoing importance in biomedical research and clinical practiceVasoactive Intestinal Peptide human, porcine, rat. As our understanding continues to evolve, the full scope of VIP's influence will undoubtedly be further elucidated.VIP (Vasoactive Intestinal Peptide)