Related Experiment Video

Updated: May 5, 2026

Developing a Rat Model for Bipolar Disorder
04:42

Developing a Rat Model for Bipolar Disorder

Published on: May 2, 2025

1.7K

The bipolar role of miR-466l in inflammation

Peter A Ward1

  • 1Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109-5602, USA.

Immunity
|November 19, 2013
PubMed

Insights

MicroRNAs regulate inflammation and special proresolving mediators (SPMs). Li et al. (2013) found miR-466l has dual roles in promoting inflammation and inducing SPMs, offering new insights into inflammation resolution.

Area of Science:

  • Immunology
  • Molecular Biology
  • Microbiology

Background:

  • Special proresolving mediators (SPMs) are crucial for limiting inflammation.
  • The regulatory mechanisms governing SPM production and function remain largely unknown.
  • MicroRNAs (miRNAs) are emerging as key regulators in inflammatory processes.

Purpose of the Study:

  • To investigate the role of specific microRNAs in the regulation of inflammation and SPM induction.
  • To elucidate the function of miR-466l in inflammatory responses.

Main Methods:

  • Utilized molecular biology techniques to study miRNA expression and function.
  • Employed cell-based assays to assess inflammatory mediator production.
  • Investigated the impact of miR-466l modulation on inflammatory pathways and SPM levels.

Main Results:

  • Identified miR-466l as a regulator with a dual role in inflammation.
  • Demonstrated that miR-466l promotes inflammation while also inducing the production of SPMs.
  • Uncovered a novel mechanism linking miRNA activity to inflammation resolution.

Conclusions:

  • miR-466l exhibits a bipolar function in inflammation, promoting inflammatory responses and simultaneously inducing SPMs.
  • This finding provides new understanding of the complex regulation of inflammation and its resolution.
  • miR-466l represents a potential therapeutic target for modulating inflammatory conditions.

More Related Videos

Induction of Intestinal Inflammation by Adoptive Transfer of CBir1 TCR Transgenic CD4+ T Cells to Immunodeficient Mice07:34

Induction of Intestinal Inflammation by Adoptive Transfer of CBir1 TCR Transgenic CD4+ T Cells to Immunodeficient Mice

Published on: December 16, 2021

2.5K
Magnetic Isolation of Microglial Cells from Neonate Mouse for Primary Cell Cultures07:23

Magnetic Isolation of Microglial Cells from Neonate Mouse for Primary Cell Cultures

Published on: July 25, 2022

3.2K

Related Concept Videos

Bipolar Disorder01:30

Bipolar Disorder

Bipolar disorder is a chronic mental health condition marked by significant mood fluctuations, including episodes of mania and depression. Elevated energy levels, heightened mood or irritability, impulsive behavior, reduced sleep needs, rapid speech, racing thoughts, inflated self-esteem, and distractibility characterize mania. Individuals with bipolar disorder often alternate between depressive and manic states, with periods of emotional stability lasting an average of six months to a year.
1.4K
Inflammatory Bowel Disease III: Crohn's Disease01:25

Inflammatory Bowel Disease III: Crohn's Disease

Crohn’s disease is a chronic, relapsing form of inflammatory bowel disease characterized by segmental, transmural inflammation that can affect any part of the gastrointestinal tract. Its pathogenesis arises from a combination of genetic susceptibility, environmental exposures, epithelial barrier dysfunction, and immune dysregulation. Together, these factors lead to an exaggerated immune response against components of the gut microbiome.Genetic and Environmental InfluencesMultiple genetic...
69
Inflammatory Response01:28

Inflammatory Response

An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
12.5K
Inflammatory Bowel Disease II: Ulcerative Colitis01:20

Inflammatory Bowel Disease II: Ulcerative Colitis

Ulcerative colitis is a chronic inflammatory disorder of the colon characterized by continuous mucosal inflammation that typically begins in the rectum and extends proximally in a uniform pattern. Its pathogenesis involves a complex interplay of genetic predisposition, immune dysregulation, and environmental influences. These factors converge to impair the colon’s epithelial defenses and promote an exaggerated inflammatory response against luminal contents.Breakdown of the Mucosal...
57
Acute Inflammation I: Inflammatory Response01:26

Acute Inflammation I: Inflammatory Response

Acute inflammation is a rapid, short-lived physiological response to tissue injury or infection, designed to eliminate harmful agents and initiate repair. This tightly regulated process typically lasts from minutes to several days and is triggered by factors such as microbial invasion, physical trauma, or chemical injury.Recognition and Mediator ReleaseThe inflammatory response begins when resident immune cells—such as mast cells, macrophages, and dendritic cells—detect...
118
Inflammation01:38

Inflammation

Overview
46.8K