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Commentary Article - (2023) Volume 4, Issue 2

Autacoids: Signaling Molecules with Diverse Physiological Roles
Risa Moriya*
Department of Science, Kindai University, Japan
*Correspondence: Risa Moriya, Department of Science, Kindai University, Japan, Email:

Received: 31-May-2023, Manuscript No. JAC-23-17070; Editor assigned: 02-Jun-2023, Pre QC No. JAC-23-17070 (PQ); Reviewed: 16-Jun-2023, QC No. JAC-23-17070; Revised: 21-Jun-2023, Manuscript No. JAC-23-17070 (R); Published: 28-Jun-2023, DOI: 10.35841/jac.4.2.17


Autacoids are a group of signaling molecules that act locally within the body to regulate various physiological processes. These molecules are produced in the response to specific stimuli and play critical roles in the mediating inflammation, pain, immune responses, and other important functions. This article provides an overview of autacoids, their types, and their diverse physiological roles in the body.

Autacoids encompass a wide range of signaling molecules produced by different cells and tissues in the body. Some of the major types of autacoids include Prostaglandins are lipid compounds derived from the arachidonic acid and are involved in numerous physiological processes such as inflammation, pain, and regulation of blood pressure. They are synthesized in various tissues, including the gastrointestinal tract, kidneys, and reproductive organs. Histamine is a small molecule released from the mast cells and basophils during allergic reactions and immune responses. It plays a significant role in mediating allergic symptoms like itching, sneezing, and vasodilation. Histamine is also involved in regulating gastric acid secretion and neurotransmission. Serotonin, also known as 5-hydroxytryptamine (5-HT), is a neurotransmitter and autacoid that regulates mood, appetite, sleep, and gastrointestinal function. It is synthesized in the central nervous system, gastrointestinal tract, and platelets. Bradykinin is a peptide that promotes vasodilation, increases vascular permeability, and mediates pain and inflammation. It is generated from precursor proteins in the response to tissue injury or inflammation and acts locally at the site of injury.

Autacoids play diverse roles in maintaining homeostasis and regulating physiological processes within the body. Inflammation and Immune Response is Prostaglandins, histamine, and bradykinins are key autacoids involved in the inflammatory response. They promote vasodilation, increase vascular permeability, attract immune cells to the site of inflammation, and mediate pain and fever. These responses are essential for the body’s defense against infection and tissue repair. Pain Regulation is Autacoids such as bradykinin and prostaglandins sensitize pain receptors and enhance pain perception. They contribute to the development of inflammatory pain and are targets for the pain management strategies. Vasodilation and Blood Pressure Regulation is Autacoids like prostaglandins and histamine induce vasodilation, which increases blood flow to tissues. This plays a role in the regulating blood pressure and ensuring adequate oxygen and nutrient supply to the organs. Gastrointestinal Function is Autacoids, including prostaglandins and serotonin, regulate the gastrointestinal motility, acid secretion, and mucosal protection. Prostaglandins help maintain the integrity of the gastric mucosa, while serotonin is involved in the gut peristalsis and regulation of bowel movements. Clinical Significance is the diverse roles of autacoids have significant clinical implications. Dysregulation of the autacoid production or response can contribute to various pathological conditions: Allergic Disorders, a major autacoid involved in the allergic reactions, is responsible for symptoms like itching, sneezing, and vasodilation seen in conditions such as allergic rhinitis and urticaria. Inflammatory Disorders, Abnormal production or response to the autacoids can lead to the chronic inflammation, contributing to diseases like rheumatoid arthritis, inflammatory bowel disease, and asthma. Pain Disorders, Autacoids, especially prostaglandins and bradykinin, play a significant role in the development of pain.



Conflict Of Interest

The author’s declared that they have no conflict of interest.

Citation: Moriya R (2023) Autacoids: Signaling Molecules with Diverse Physiological Roles. Autacoids J. 4:17.

Copyright: © 2023 Moriya R. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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