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Related Concept Videos

Increased Body Temperature01:25

Increased Body Temperature

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 response to an infection or illness.
Methods of reducing fever01:22

Methods of reducing fever

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:
Homeostatic Imbalances in Body Temperature01:19

Homeostatic Imbalances in Body Temperature

Hyperthermia occurs when the body's temperature becomes unusually high, often due to heat exposure, intense physical activity, or certain illnesses. This condition can create a dangerous cycle where elevated body temperature increases the metabolic rate, generating more heat and potentially leading to organ failure and brain damage. A severe form of hyperthermia, called heat stroke, can raise body temperature to life-threatening levels. Fever, on the other hand, is a controlled form of...
Inhibitors of Viral Protein Synthesis01:30

Inhibitors of Viral Protein Synthesis

Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...

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Related Experiment Video

Updated: Jul 19, 2026

High-throughput Quantitative Real-time RT-PCR Assay for Determining Expression Profiles of Types I and III Interferon Subtypes
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Synergism between mild hyperthermia and interferon-beta gene expression.

I A Bouhon1, M Shinkai, H Honda

  • 1Department of Biotechnology, Graduate School of Engineering, Nagoya University, Japan.

Cancer Letters
|July 8, 1999
PubMed
Summary

Combining gene therapy with interferon-beta (IFN-beta) and mild hyperthermia significantly enhances glioma cell death. This synergistic approach increases cancer cell sensitivity to heat treatment, offering a promising strategy for glioblastoma treatment.

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Area of Science:

  • Oncology
  • Molecular Biology
  • Biotechnology

Background:

  • Glioma is a primary brain tumor with limited treatment options.
  • Gene therapy and hyperthermia are potential therapeutic strategies.
  • Interferon-beta (IFN-beta) has shown anti-tumor properties.

Purpose of the Study:

  • To investigate the synergistic effect of mild hyperthermia and interferon-beta (IFN-beta) gene expression in human glioma cells.
  • To determine the optimal conditions for combining these therapies.
  • To evaluate the impact on glioma cell growth and survival.

Main Methods:

  • In vitro study using the human glioma cell line U87MG.
  • Transient expression of the IFN-beta gene.
  • Application of mild hyperthermia (41°C for 1 hour).
  • Assessment of cell killing effects and growth rates.

Main Results:

  • The optimal treatment scheme involved transfecting cells for 4 days prior to hyperthermia.
  • IFN-beta gene expression significantly enhanced the sensitivity of glioma cells to mild hyperthermia.
  • The relative specific growth rate decreased to 32% with the combined therapy, compared to 40% with hyperthermia alone.

Conclusions:

  • The combination of IFN-beta gene expression and mild hyperthermia exhibits a synergistic effect against human glioma cells.
  • IFN-beta enhances the susceptibility of glioma cells to hyperthermia-induced cell death.
  • This combined approach holds potential for improving glioblastoma treatment strategies.