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The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule.
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Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
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Wnt is a zygotic effect gene that is expressed during very early embryonic development. It regulates various processes in animals starting from early development through the adult stage, such as organogenesis in the embryo and maintenance of neuronal and blood stem cells. Wnt proteins can induce a wide variety of intracellular pathways depending upon the specific abilities of different Wnt ligands to form a complex with shared and cognate receptors in the presence of different co-receptors. The...
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The gene encoding the main signaling molecules of the Wnt signaling pathways (the Wnt proteins) was discovered almost four decades ago by Nüsslein-Volhard and Wieschaus. They identified and originally named the gene "wingless" (wg) after a phenotype discovered during their landmark genetic screen in Drosophila for body pattern defects. At around the same time, another researcher named Harold Varmus found that a murine tumor virus activates the mammalian wg homolog, Int-1, which...
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Myeloid Innate Signaling Pathway Regulation by MALT1 Paracaspase Activity
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Signaling pathways regulating hepcidin.

Gautam Rishi1, V Nathan Subramaniam1

  • 1The Liver Disease and Iron Disorders Research Group, Institute of Health and Biomedical Innovation and School of Biomedical Sciences, Queensland University of Technology (QUT), Brisbane, QLD, Australia.

Vitamins and Hormones
|February 26, 2019
PubMed
Summary
This summary is machine-generated.

Hepcidin, the master iron regulator, is modulated by physiological stimuli and signaling pathways. These pathways impact hepcidin transcription, influencing systemic iron homeostasis.

Keywords:
Bone morphogenetic proteinFerroportinHepatocyteHepcidinIron homeostasisLiverSMADSignaling

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Area of Science:

  • Biochemistry
  • Physiology
  • Molecular Biology

Background:

  • Hepcidin is a key regulator of systemic iron homeostasis.
  • Its regulation involves various physiological stimuli and signaling pathways.
  • Understanding these regulatory mechanisms is crucial for managing iron balance.

Purpose of the Study:

  • To summarize current knowledge on hepcidin regulation.
  • To elucidate the role of physiological stimuli and signaling pathways in hepcidin modulation.
  • To connect hepcidin regulation to systemic iron homeostasis.

Main Methods:

  • Review of existing literature on hepcidin regulation.
  • Analysis of signaling pathways affecting hepcidin.
  • Correlation of transcriptional changes with systemic iron levels.

Main Results:

  • Multiple physiological stimuli influence hepcidin.
  • Specific signaling pathways mediate hepcidin modulation.
  • Hepcidin transcriptional regulation correlates with systemic iron levels.

Conclusions:

  • Physiological stimuli and signaling pathways are critical for hepcidin regulation.
  • Hepcidin's role in iron homeostasis is confirmed through transcriptional modulation.
  • Further research into these pathways can inform therapeutic strategies for iron disorders.