Related Experiment Video
Updated: May 4, 2026
10:22
Methods to Investigate the Regulatory Role of Small RNAs and Ribosomal Occupancy of Plasmodium falciparum
Published on: December 4, 2015
8.2K
A surprising role for uric acid: the inflammatory malaria response
Julio Gallego-Delgado1, Maureen Ty, Jamie M Orengo
1New York University School of Medicine, 341 E. 25th St., New York, NY, 10010, USA, Julio.GallegoDelgado@nyumc.org.
Current Rheumatology Reports
|January 7, 2014
Summary
Malaria causes inflammation, with uric acid emerging as a key trigger. This study suggests targeting uric acid could offer new anti-inflammatory therapies for malaria.
Area of Science:
- Immunology
- Infectious Diseases
- Parasitology
Background:
- Malaria is a severe inflammatory disease caused by Plasmodium parasites infecting red blood cells.
- The exact parasite-derived factors driving malaria's inflammation remain unclear.
- Uric acid is increasingly recognized as a significant inflammatory mediator in malaria.
Purpose of the Study:
- To investigate the role of uric acid in Plasmodium-induced inflammation.
- To explore uric acid as a potential therapeutic target for malaria.
Main Methods:
- Analysis of uric acid and hypoxanthine levels in infected erythrocytes.
- Assessment of uric acid's impact on immune cell responses (dendritic cells, T cells).
- Evaluation of inflammatory cytokine secretion.
Main Results:
- High concentrations of hypoxanthine and precipitated uric acid accumulate in Plasmodium-infected erythrocytes.
- Uric acid release during erythrocyte rupture contributes to systemic inflammation.
- Uric acid drives inflammatory cytokine production and immune cell activation.
Conclusions:
- Uric acid is a critical parasite-derived factor inducing inflammatory responses in malaria.
- Targeting uric acid presents a promising strategy for developing novel anti-inflammatory treatments for malaria.
Related Concept Videos
01:26Acute Inflammation I: Inflammatory Response
94
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...
94
01:30Inflammatory Response I: Vascular and Cellular
15.8K
The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
15.8K
01:28Inflammatory Response
12.5K
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,...
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
01:25Acute Inflammation II: Local and Systemic Effects
56
Acute inflammation produces a coordinated set of local and systemic changes that limit injury, eliminate pathogens, and initiate repair. These responses arise within minutes of infection, trauma, or chemical insult and are driven by vascular alterations and leukocyte-derived mediators. When the stimulus resolves, the reaction typically abates within days.Local EffectsAt the site of injury, arteriolar vasodilation increases blood flow, resulting in redness and warmth. Simultaneously, increased...
56
01:26Acute Inflammation I: Cellular Phase
82
The cellular phase of acute inflammation is a tightly orchestrated sequence of events that recruits leukocytes, primarily neutrophils, to sites of tissue injury or infection. Following the initial vascular changes, this phase ensures effective immune cell migration, activation, and function at the affected site to eliminate pathogens and initiate tissue repair.Leukocyte Recruitment CascadeLeukocyte recruitment happens in four steps: margination, adhesion, transmigration, and chemotaxis. Reduced...
82