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Related Concept Videos

Inflammation01:38

Inflammation

Overview
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
Inflammatory Response I: Vascular and Cellular01:30

Inflammatory Response I: Vascular and Cellular

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,...
Inflammation: Introduction01:28

Inflammation: Introduction

Inflammation is a fundamental, protective biological response of vascularized tissues to cellular injury, infection, or harmful stimuli. Its primary function is to eliminate the initial cause of injury, clear necrotic cells and damaged tissue, and initiate the necessary repair processes.Cardinal SignsAcute inflammation presents with classic signs. Redness results from vasodilation and increased blood flow. Heat is due to increased metabolism and circulation. Swelling results from the...
Chronic Inflammation: Introduction01:12

Chronic Inflammation: Introduction

Chronic inflammation is a prolonged, dysregulated immune response that persists for weeks to years when the inciting stimulus is difficult to eradicate or when self‑antigens drive ongoing reactivity. Morphologically, it is defined by mononuclear cell infiltration, progressive tissue destruction, and concurrent attempts at healing via angiogenesis and fibrosis. Compared with acute inflammation, edema is less prominent while cellular infiltration predominates; triggers include persistent...
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...

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Related Experiment Video

Updated: May 25, 2026

Detection of Inflammasome Activation and Pyroptotic Cell Death in Murine Bone Marrow-derived Macrophages
06:52

Detection of Inflammasome Activation and Pyroptotic Cell Death in Murine Bone Marrow-derived Macrophages

Published on: May 21, 2018

Inflammasomes in cardiovascular diseases.

Nisha Jain Garg

    American Journal of Cardiovascular Disease
    |January 19, 2012
    PubMed
    Summary

    NOD-like receptors (NLRs) and inflammasomes are key regulators of innate immunity. This review explores their roles in cardiovascular disease development.

    Area of Science:

    • Immunology
    • Molecular Biology
    • Cardiovascular Research

    Background:

    • NOD-like receptors (NLRs) are intracellular pattern recognition receptors (PRRs) crucial for innate immunity.
    • NLRs, including NLRP1 and NLRP3, activate inflammasomes, leading to inflammatory responses via caspase-1 activation and cytokine processing (IL-1β, IL-18).
    • Signaling pathways involving extracellular ATP/K(+) flux, cathepsin release, and reactive oxygen species are implicated in NLR activation.

    Purpose of the Study:

    • To review the current understanding of NLRs and inflammasomes.
    • To elucidate the involvement of NLRs and inflammasomes in cardiovascular disease pathogenesis.

    Main Methods:

    • Literature review of studies on NLRs, inflammasomes, and cardiovascular diseases.
    • Analysis of proposed signaling mechanisms for NLR activation.
    Keywords:
    Cardiovascular diseasesInterleukin 1 betaNod-like receptorsinflammasomesreactive oxygen species

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  • Synthesis of existing knowledge on the link between innate immunity and cardiovascular conditions.

    • Main Results:

    • NLRs and inflammasomes are increasingly recognized for their impact on cardiovascular health.
    • Dysregulation of these pathways contributes to the development of various cardiovascular diseases.
    • Specific NLRs and inflammasome complexes play distinct roles in cardiovascular pathology.

    Conclusions:

    • NLRs and inflammasomes represent promising therapeutic targets for cardiovascular diseases.
    • Further research is needed to fully unravel the complex interplay between innate immunity and cardiovascular conditions.
    • Targeting NLR-mediated inflammation could offer novel strategies for managing cardiovascular diseases.