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Related Concept Videos

Viral Meningitis01:18

Viral Meningitis

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Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
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Factors Affecting the Risk of Infection01:26

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The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
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Autoimmune Disorders01:29

Autoimmune Disorders

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Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
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T Cell Types and Functions01:24

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When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
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Arboviral Encephalitis01:25

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Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
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Immunodeficiency Diseases01:25

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Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
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Related Experiment Video

Updated: Mar 29, 2026

Author Spotlight: Creating a Versatile Experimental Autoimmune Encephalomyelitis Model Relevant for Both Male and Female Mice
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Author Spotlight: Creating a Versatile Experimental Autoimmune Encephalomyelitis Model Relevant for Both Male and Female Mice

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Multiple sclerosis and infections.

Arun Venkatesan1

  • 1Division of Neuroimmunology & Neuroinfectious Diseases, Johns Hopkins Hospital, 600 North Wolfe Street, Meyer 6-113, Baltimore, MD 21287, USA.

Neurodegenerative Disease Management
|November 28, 2015
PubMed
Summary
This summary is machine-generated.

Infections and multiple sclerosis (MS) have a complex, two-way relationship. This review examines how infections impact MS development and complications throughout a patient's life.

Keywords:
infectionsmultiple sclerosisreview

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Area of Science:

  • Neuroimmunology
  • Infectious Diseases
  • Microbiome Research

Background:

  • The relationship between infections and multiple sclerosis (MS) is intricate and bidirectional.
  • Infectious agents are investigated for their potential role in MS initiation.
  • The gut microbiome's influence on established MS is an emerging area of research.

Purpose of the Study:

  • To review the complex interplay between infections and multiple sclerosis (MS).
  • To examine the clinical manifestations and epidemiology of infections in MS patients.
  • To discuss data from both animal models and human studies.

Main Methods:

  • Literature review of existing studies.
  • Analysis of data from animal models.
  • Examination of human clinical data.

Main Results:

  • Infections are implicated in MS initiation.
  • The gut microbiome may influence established MS.
  • Systemic and CNS infections are significant MS complications.

Conclusions:

  • The bidirectional link between infections and MS requires further investigation.
  • Understanding infection epidemiology in MS is crucial for patient management.
  • Future research should explore therapeutic strategies targeting these interactions.