The Role of Melanin‐Concentrating Hormone in Color Change

@article{Baker1993TheRO,
  title={The Role of Melanin‐Concentrating Hormone in Color Change},
  author={Bridget I. Baker},
  journal={Annals of the New York Academy of Sciences},
  year={1993},
  volume={680}
}
  • B. Baker
  • Published 1 May 1993
  • Biology
  • Annals of the New York Academy of Sciences
Melanin-concentrating hormone, MCH, is a neuropeptide that has been demonstrated in the brain of many vertebrate taxa, including lampreys,' elasmobranchs,2 t e l e ~ s t s , ~ ~ a m ~ h i b i a , ~ and mammal^.^^^ Its presence in the reptile and bird brain has not been investigated, but it would be surprising if it were absent from these two classes. The MCH neuronal cell bodies are restricted to the hypothalamus, clustered in one or several groups, but their axons are widely distributed… 
Melanin-concentration hormone updated functional considerations
  • B. Baker
  • Biology
    Trends in Endocrinology & Metabolism
  • 1994
Expression of the melanin‐concentrating hormone (MCH) receptor mRNA in the rat brain
TLDR
High levels of expression of MCHR mRNA are found in most anatomical areas implicated in control of olfaction, with the exception of the main olfactory bulb, which suggests that MCH may act at various levels of the brain to integrate various aspects of feeding behavior.
Multifunctional Roles of Melanocyte-Stimulating Hormone and Melanin-Concentrating Hormone in Fish: Evolution from Classical Body Color Change
TLDR
Molecular characteristic and biological significance of MSH and MCH systems in fish are revealed and it is suggested that this peptide stimulates feeding behavior.
Neuronal organization of the melanin‐concentrating hormone system in primitive actinopterygians: Evolutionary changes leading to teleosts
TLDR
The central location of immunoreactive MCH perikarya and their projections to the pituitary in a range of ancestral fish is described to determine the phylogenetic stage when the peptide adopted these roles, suggesting that, in teleost fish, earlier functions of the peptides may have become subordinate to its novel pigmentary role.
Melanin-concentrating hormone (MCH) stimulates the activity of rainbow trout (Oncorhynchus mykiss) head kidney phagocytes in vitro
TLDR
It has been demonstrated that MCH antagonises the stimulatory e#ects of a-MSH on fish head kidney leucocytes in vitro (Harris & Bird, 1997) and can also directly influence the activity of rainbow trout (Oncorhynchus mykiss) phagocytes in vivo.
Functions of melanin-concentrating hormone in fish.
  • H. Kawauchi
  • Biology
    Journal of experimental zoology. Part A, Comparative experimental biology
  • 2006
TLDR
MCH and MCH receptor signaling systems in body color change and food intake in fish are reviewed.
Melanin-concentrating hormone neuron system: the wide web that controls the feeding
TLDR
The findings suggest that MCH exerts the effect through its specific receptor distributed throughout the brain and that the function of MCH is influenced by the condition of peripheral energy balance via leptin, the leptin receptor and STAT3, not only in the hypothalamus, but also in other brain regions.
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References

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Melanin-concentrating hormone: a general vertebrate neuropeptide.
  • B. Baker
  • Biology, Environmental Science
    International review of cytology
  • 1991
Characterization of melanin-concentrating hormone in chum salmon pituitaries
TLDR
A novel peptide from the pituitary of the salmon (Oncorhynchus keta) possessing an antagonistic function to MSH is isolated, and its chemical and biological characteristics are described.
The melanin‐concentrating hormone system of the rat brain: An immuno‐ and hybridization histochemical characterization
TLDR
The results suggest that ppMCH‐derived peptides may serve as neurotransmitters or modulators of prominence in a surprisingly expansive projection field of incerto‐hypothalamic neurons.
Structural studies of nerve terminals containing melanin-concentrating hormone in the eel, Anguilla anguilla
TLDR
The results reinforce the proposal that MCH is released during adaptation to a white background, to cause melanin concentration and to inhibit MSH release, and that its release is halted in black-adapted fish.
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