Abstract
The brain detects changes in energy depots and actuates metabolic and behavioral responses planned to hold energy balance. Hunger, appetite, and satiety are often regarded as functions of the brain. In short, the hypothalamus opponent sets of the neuronal network: stimulatory and inhibitory—appetite neuronal network. This circuit is acted upon by hormone and sensory nervous signals that provide feedback and consolidative processing of nutritional status, energy intake and expenditure. The stimulatory appetite network released orexigenic neurotransmitter which encourages appetite, while anorexigenic neurotransmitter released by inhibitory appetite network decrease appetite. Knowledge about the physiology of appetite has immensely expanded in late years providing potential targets for anti-obesity drug design. This review furnishes a study of the peptides that have been concerned with appetite physiology and energy homeostasis and also includes their therapeutic application (agonist and antagonist).
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Abbreviations
- WHO:
-
World Health Organization
- BMI:
-
Mass index
- CCK:
-
Cholecystokinin
- GLP-1:
-
Glucagon-like peptide-1
- OXM:
-
Oxyntomodulin
- PYY:
-
Peptide YY
- NTS:
-
Nucleus tracts solitarius
- GPCR-G:
-
Protein-coupled receptor
- ARC:
-
Arcuate nucleus
- VMN:
-
Ventromedial nuclei
- IGF-2:
-
Insulin-like growth factor-2
- POMC:
-
Preopiomelanocortin
- AgRP:
-
Agouti-related protein
- NPY:
-
Neuropeptide YY
- CART:
-
Cocaine- and amphetamine-regulated transcript
- PVN:
-
Paraventricular nucleus
- DMH:
-
Dorsomedial hypothalamus
- LHA:
-
Lateral hypothalamic area
- CRH:
-
Corticotrophin releasing factor
- LIF:
-
Leukaemia inhibitory factor
- MSH:
-
Melanocyte stimulating hormone
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Patel, C.A., Acharya, S.R. Energy Homeostasis and Obesity: The Therapeutic Role of Anorexigenic and Orexigenic Peptide. Int J Pept Res Ther 25, 919–932 (2019). https://doi.org/10.1007/s10989-018-9740-7
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DOI: https://doi.org/10.1007/s10989-018-9740-7