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The JAK-STAT Signaling Pathway01:20

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Related Experiment Video

Updated: May 7, 2026

Feeding Experimentation Device (FED): Construction and Validation of an Open-source Device for Measuring Food Intake in Rodents
09:18

Feeding Experimentation Device (FED): Construction and Validation of an Open-source Device for Measuring Food Intake in Rodents

Published on: February 21, 2017

JAK-STAT and feeding.

Sharon R Ladyman1, David R Grattan

  • 1Centre for Neuroendocrinology and Department of Anatomy; School of Medical Sciences; University of Otago; Dunedin, New Zealand.

JAK-STAT
|September 24, 2013
PubMed
Summary
This summary is machine-generated.

The JAK-STAT pathway, crucial for energy balance and appetite regulation, is implicated beyond leptin signaling. Impaired JAK-STAT signaling may contribute to obesity by disrupting homeostatic mechanisms.

Keywords:
STAT3appetiteenergy balancefood intakehypothalamus

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Area of Science:

  • Neuroscience
  • Endocrinology
  • Molecular Biology

Background:

  • Energy balance is tightly regulated by the central nervous system, especially the hypothalamus.
  • Cytokines and hormones signal through intracellular pathways like JAK-STAT to control food intake and energy homeostasis.
  • Leptin's role in appetite regulation via the JAK-STAT pathway is well-established.

Purpose of the Study:

  • To explore the broader role of the JAK-STAT pathway in energy balance regulation.
  • To investigate if JAK-STAT signaling is involved beyond leptin.
  • To understand how JAK-STAT pathway dysfunction relates to obesity.

Main Methods:

  • Review of existing literature on energy balance, hypothalamus function, and JAK-STAT signaling.
  • Analysis of studies investigating cytokine and hormone signaling pathways.
  • Examination of research linking JAK-STAT pathway alterations to obesity.

Main Results:

  • The JAK-STAT pathway is involved in energy homeostasis beyond leptin signaling.
  • Circulating factors activate the JAK-STAT pathway to transmit anorectic signals.
  • Disruptions in energy balance can lead to impaired JAK-STAT signaling.

Conclusions:

  • Altered JAK-STAT signaling is a potential contributor to the disruption of homeostatic mechanisms in obesity.
  • The JAK-STAT pathway is a key intracellular signaling mechanism in appetite and energy balance.
  • Further research is needed to fully elucidate the role of JAK-STAT in metabolic disorders.