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Related Concept Videos

Encephalitis ll: Pathophysiology01:26

Encephalitis ll: Pathophysiology

Encephalitis is inflammation of the brain parenchyma caused by direct viral invasion or immune-mediated mechanisms triggered by infections or tumors. Both processes lead to neuronal injury, disrupted neurotransmission, and diverse neurological symptoms, often with overlapping clinical and pathological features.Autoimmune EncephalitisIn autoimmune encephalitis, antibodies target neuronal antigens on cell surfaces, synapses, or within neurons. A key example is anti-NMDAR encephalitis, which can...
Arboviral Encephalitis01:25

Arboviral Encephalitis

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...
Yellow Fever01:18

Yellow Fever

Yellow fever is a viral hemorrhagic disease caused by the yellow fever virus (YFV), a member of the Flaviviridae family. It is transmitted primarily by Aedes and Haemagogus mosquitoes in tropical and subtropical regions of Africa and South America. After transmission through a mosquito bite, the virus initially replicates in skin-resident immune cells such as dendritic cells and macrophages. These cells then migrate to the lymph nodes, where viral replication increases, eventually leading to...
Malaria01:29

Malaria

Malaria pathogenesis in humans reflects a delicate interplay between parasite biology and host response. Clinical illness reflects a host’s immune response to the parasite’s asexual replication cycle, which is often asymptomatic in individuals with partial immunity. From the parasite's perspective, transmission between mosquito and human with minimal host pathology is evolutionarily advantageous. Among the six Plasmodium species infecting humans, P. falciparum and P. vivax dominate in global...
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
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Blood Pressure Imbalances and Circulatory Shock

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Related Experiment Video

Updated: Jun 9, 2026

A Murine Model of Dengue Virus-induced Acute Viral Encephalitis-like Disease
04:23

A Murine Model of Dengue Virus-induced Acute Viral Encephalitis-like Disease

Published on: April 28, 2019

[Dengue shock syndrome: decoding the pathophysiology].

S Devignot1, H Tolou, P Couissinier-Paris

  • 1Institut de Recherche Biomédicales des Armées, Antenne de Marseille (IMTSSA), Unité de Virologie Tropicale, France.

Medecine Tropicale : Revue Du Corps De Sante Colonial
|August 26, 2010
PubMed
Summary
This summary is machine-generated.

Dengue shock syndrome is a dangerous complication of dengue fever that is difficult to predict or treat. This review explores its pathophysiology and potential for high-content screening in personalized medicine.

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Portable Paper-Based Immunoassay Combined with Smartphone Application for Colorimetric and Quantitative Detection of Dengue NS1 Antigen
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Measuring Dengue Virus RNA in the Culture Supernatant of Infected Cells by Real-time Quantitative Polymerase Chain Reaction
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Measuring Dengue Virus RNA in the Culture Supernatant of Infected Cells by Real-time Quantitative Polymerase Chain Reaction

Published on: November 1, 2018

Area of Science:

  • Arbovirology
  • Pathophysiology
  • Translational Medicine

Context:

  • Dengue is a significant arbovirosis with severe clinical manifestations.
  • Dengue shock syndrome (DSS) is a life-threatening complication.
  • Current management of DSS is challenging due to unpredictable onset and lack of specific treatments.

Purpose:

  • To review the current understanding of dengue shock syndrome pathophysiology.
  • To highlight the utility of high-content screening (HCS) methods.
  • To explore HCS in translational research for understanding individual responses to DSS.

Summary:

  • Dengue shock syndrome results from complex pathophysiological processes.
  • Predicting DSS onset and developing targeted therapies remain critical challenges.
  • High-content screening offers a promising avenue for investigating individual patient responses and advancing therapeutic strategies.

Impact:

  • Enhances understanding of severe dengue pathophysiology.
  • Identifies potential for novel diagnostic and therapeutic targets.
  • Promotes the application of advanced screening technologies in clinical research for arboviral diseases.