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Related Concept Videos

Seizures: Classification01:13

Seizures: Classification

1.3K
Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
1.3K
Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

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Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
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Increased Body Temperature01:25

Increased Body Temperature

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A body temperature above  38°C  (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in...
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Patterns of Fever01:26

Patterns of Fever

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Before understanding the types and patterns of fever, it is essential to know its phases.
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Methods of reducing fever01:22

Methods of reducing fever

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The signs and symptoms of fever include hot and dry skin, flushed face, thirst, muscle aches, anorexia, headache, tachycardia, tachypnea, and fatigue. Elevated body temperature is reduced using two methods: pharmacological and nonpharmacological. Proper identification and treatment of the root cause of a fever is of utmost importance.
Pharmacological Methods of Reducing Fever:
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Types of Fever01:25

Types of Fever

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Fever can be triggered by several factors, including infections, nervous system disorders, certain cancers, blood diseases like leukemia, embolism, thrombosis, heatstroke, dehydration, surgical trauma, crushing injuries, and allergic reactions.
Here are the different types of fever:
987

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Related Experiment Video

Updated: Jan 11, 2026

A Behavioral Screen for Heat-Induced Seizures in Mouse Models of Epilepsy
06:58

A Behavioral Screen for Heat-Induced Seizures in Mouse Models of Epilepsy

Published on: July 12, 2021

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Study on the correlation between Interleukin 4 and febrile seizures.

Xun Xiang1, San Wang1, Chengyan Tang2

  • 1Department of Pediatrics, The Third Affiliated Hospital of Zunyi Medical University (the First People's Hospital of Zunyi), Zunyi City, Guizhou Provincial, China.

Cytojournal
|November 11, 2025
PubMed
Summary

Interleukin-4 (IL-4) and its upstream regulators, Jun, Fos, and Egr1, are linked to febrile seizures (FS). Dupilumab, an IL-4 receptor blocker, may reduce FS severity and modulate immune responses, offering potential therapeutic insights.

Keywords:
CytokinesDifferentially expressed genesDupilumabFebrile seizuresInterleukin 4

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Last Updated: Jan 11, 2026

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Area of Science:

  • Neuroscience
  • Immunology
  • Molecular Biology

Background:

  • Febrile seizures (FS) are common in pediatric epilepsy, with unclear etiology.
  • Cytokines like IL-4, IL-1, and IL-6 are implicated in FS fever responses, but their specific roles require further elucidation.

Purpose of the Study:

  • To investigate the correlation between Interleukin-4 (IL-4) levels and febrile convulsions (FC).
  • To explore the molecular mechanisms underlying FS pathogenesis involving IL-4 and its upstream regulators.

Main Methods:

  • Bioinformatics analysis (K-means clustering) on GSE28674 dataset to identify key genes regulating IL-4.
  • In vivo validation using an animal model of FS with techniques including ELISA, flow cytometry, qPCR, Western blot, and immunofluorescence.
  • Assessment of IL-4 receptor blocker dupilumab's effects on FS symptoms and associated molecular markers.

Main Results:

  • Bioinformatics identified Jun, Fos, and Egr1 as upstream regulators of IL-4, confirmed by dual-luciferase reporter assays.
  • Significantly elevated mRNA and protein levels of Jun, Fos, Egr1, and IL-4 were observed in the FS group compared to controls.
  • Dupilumab treatment reduced seizure latency and severity, decreased pro-inflammatory cytokines (IL-1β, TNF-α, IL-6), and modulated apoptosis and cell cycle markers in the hippocampus.

Conclusions:

  • IL-4 and its upstream transcription factors (Jun, Fos, Egr1) are potentially involved in the occurrence and development of FS.
  • Blocking the IL-4 receptor with dupilumab may mitigate FS symptoms and modulate the associated immune response, suggesting a therapeutic avenue.