Definition and research guide
This page combines a MeSH definition, publication statistics and selected research abstracts. It is a starting point for reading the literature, not a medical textbook or a systematic evidence review.
Content available: 4 complete abstracts (646 words), 10 references. Full article text is not stored or reproduced here; follow the PMID, DOI or PMC links to read the original sources and their access terms.
Definition
A 30-kDa protein synthesized primarily in the anterior pituitary gland and the hypothalamus. It is also found in the skin and other peripheral tissues. Depending on species and tissues, POMC is cleaved by prohormone convertases yielding various active peptides including ACTH; beta-lipotropin; endorphins; melanocyte-stimulating hormones; and others (gamma-lph; corticotropin-like intermediate lobe peptide; N-terminal peptide of POMC or NPP).
Definition: NLM Medical Subject Headings (MeSH) scope note (Public domain (U.S. National Library of Medicine); attribution requested). View the MeSH record.
Also known as: Pro Opiomelanocortin; ACTH-beta-Lipotropin Precursor; ACTH beta Lipotropin Precursor; ACTH-Endorphin Precursor; ACTH Endorphin Precursor; Endorphin-ACTH Precursor; Endorphin ACTH Precursor; Corticotropin-beta-Lipotropin Precursor.
Where it fits in the MeSH classification
- Broader topics
- Hypothalamic Hormones; Pituitary Hormones, Anterior; Protein Precursors
- Narrower topics
- alpha-Endorphin; alpha-MSH; beta-Endorphin; beta-Lipotropin; Corticotropin-Like Intermediate Lobe Peptide; gamma-Endorphin; gamma-Lipotropin; gamma-MSH; Melanocortins
Related concepts
- Anterior Pituitary Gland
- Hypothalamus
- Prohormone Convertases
- Beta-Lipotropin
- Endorphins
- Melanocyte-Stimulating Hormones
- Gamma-Lph
- Corticotropin-Like Intermediate Lobe Peptide
Research landscape
PubMed indexes 65,844 records tagged with the MeSH heading “Pro-Opiomelanocortin” (counts retrieved 2026-10-31). 3,203 of them (4.9%) were published from 2020 onward, and the busiest period so far is through 1999 with 47,273 records.
Reviews account for 4,878 records (7.4%) and meta-analyses for 61. Randomized controlled trials number 1,243 (1.9%) as a share of all records on the topic. Randomized trials make up only a small share of this literature, so much of what is known comes from laboratory, observational or descriptive work.
Show the data
| Period | Records |
|---|---|
| through 1999 | 47,273 |
| 2000-2009 | 9,036 |
| 2010-2019 | 6,332 |
| 2020 onward | 3,203 |
Publication-type chart data
| Type | Records | Share |
|---|---|---|
| Reviews | 4,878 | 7.4% |
| Meta-analyses | 61 | 0.1% |
| Randomized controlled trials | 1,243 | 1.9% |
Method: PubMed query "Pro-Opiomelanocortin"[MeSH Terms] with publication-type and date filters, retrieved 2026-10-31.
Reading the evidence in drugs and chemicals
Studies of a chemical or drug can answer very different questions: what it is and how it behaves in cells and animals, how the body handles it, and whether it changes outcomes in people. Laboratory and animal findings often do not carry over to patients, and observational studies of exposures are confounded by who uses a substance and why. Nothing on this page is a recommendation to use, avoid, start or stop any substance or medicine; talk to a qualified clinician or pharmacist about your own situation. Check the dose, the species, the comparison group and whether a patient-relevant outcome was measured.
Evidence from open-access studies
These open-access studies come from PubMed’s best-match results for this heading (papers whose main topic it is), ranked here by citation count, with one recent addition. Each abstract is reproduced in full under its recorded open licence so that you can read the authors’ own words. They illustrate the literature; they are not a systematic summary of it. Citation counts measure attention, not reliability or clinical benefit.
| Study / authors | Year | Source label / design | Europe PMC citations | Licence / source |
|---|---|---|---|---|
| Functionally distinct POMC-expressing neuron subpopulations in hypothalamus revealed by intersectional targeting | 2021 | Research article Design not recorded in structured metadata | 146 | cc by PMID 34002087 · DOI · PMC8249241 |
| Reciprocal activity of AgRP and POMC neurons governs coordinated control of feeding and metabolism | 2024 | Research article Design not recorded in structured metadata | 75 | cc by PMID 38378998 · DOI · PMC10963273 |
| CerS6-dependent ceramide synthesis in hypothalamic neurons promotes ER/mitochondrial stress and impairs glucose homeostasis in obese mice | 2023 | Research article Design not recorded in structured metadata | 51 | cc by PMID 38016943 · DOI · PMC10684560 |
| Beyond satiety: unraveling the complex roles of POMC neurons in behavior and metabolism | 2026 | Review article Design not recorded in structured metadata | 10 | cc by PMID 40971005 · DOI · PMC13246545 |
Functionally distinct POMC-expressing neuron subpopulations in hypothalamus revealed by intersectional targeting [1]
Abstract reading summary — source excerpts
- Opening excerpt
- Pro-opiomelanocortin (POMC)-expressing neurons in the arcuate nucleus of the hypothalamus represent key regulators of metabolic homeostasis.
- Closing excerpt
- Collectively, we reveal a notably distinct functional microarchitecture of critical metabolism-regulatory neurons.
- Interpretation limits
- Verbatim excerpts from the authors’ abstract; the closing excerpt may describe a finding, limitation or recommendation. Design, population, effect size and uncertainty have not been independently extracted or appraised. Read the complete abstract and linked paper before interpreting the findings.
Read complete abstract (145 words)
Pro-opiomelanocortin (POMC)-expressing neurons in the arcuate nucleus of the hypothalamus represent key regulators of metabolic homeostasis. Electrophysiological and single-cell sequencing experiments have revealed a remarkable degree of heterogeneity of these neurons. However, the exact molecular basis and functional consequences of this heterogeneity have not yet been addressed. Here, we have developed new mouse models in which intersectional Cre/Dre-dependent recombination allowed for successful labeling, translational profiling and functional characterization of distinct POMC neurons expressing the leptin receptor (Lepr) and glucagon like peptide 1 receptor (Glp1r). Our experiments reveal that POMCLepr+ and POMCGlp1r+ neurons represent largely nonoverlapping subpopulations with distinct basic electrophysiological properties. They exhibit a specific anatomical distribution within the arcuate nucleus and differentially express receptors for energy-state communicating hormones and neurotransmitters. Finally, we identify a differential ability of these subpopulations to suppress feeding. Collectively, we reveal a notably distinct functional microarchitecture of critical metabolism-regulatory neurons.
Abstract reproduced from the open-access article under the recorded cc by licence; © the authors. PMID 34002087 · DOI · PMC8249241
Reciprocal activity of AgRP and POMC neurons governs coordinated control of feeding and metabolism [2]
Abstract reading summary — source excerpts
- Opening excerpt
- Agouti-related peptide (AgRP)-expressing and proopiomelanocortin (POMC)-expressing neurons reciprocally regulate food intake.
- Closing excerpt
- Collectively, these results unveil how food intake is precisely regulated by the simultaneous bidirectional interplay between AgRP and POMC neurocircuits.
- Interpretation limits
- Verbatim excerpts from the authors’ abstract; the closing excerpt may describe a finding, limitation or recommendation. Design, population, effect size and uncertainty have not been independently extracted or appraised. Read the complete abstract and linked paper before interpreting the findings.
Read complete abstract (151 words)
Agouti-related peptide (AgRP)-expressing and proopiomelanocortin (POMC)-expressing neurons reciprocally regulate food intake. Here, we combine non-interacting recombinases to simultaneously express functionally opposing chemogenetic receptors in AgRP and POMC neurons for comparing metabolic responses in male and female mice with simultaneous activation of AgRP and inhibition of POMC neurons with isolated activation of AgRP neurons or isolated inhibition of POMC neurons. We show that food intake is regulated by the additive effect of AgRP neuron activation and POMC neuron inhibition, while systemic insulin sensitivity and gluconeogenesis are differentially modulated by isolated-versus-simultaneous regulation of AgRP and POMC neurons. We identify a neurocircuit engaging Npy1R-expressing neurons in the paraventricular nucleus of the hypothalamus, where activated AgRP neurons and inhibited POMC neurons cooperate to promote food consumption and activate Th+ neurons in the nucleus tractus solitarii. Collectively, these results unveil how food intake is precisely regulated by the simultaneous bidirectional interplay between AgRP and POMC neurocircuits.
Abstract reproduced from the open-access article under the recorded cc by licence; © the authors. PMID 38378998 · DOI · PMC10963273
CerS6-dependent ceramide synthesis in hypothalamic neurons promotes ER/mitochondrial stress and impairs glucose homeostasis in obese mice [3]
Abstract reading summary — source excerpts
- Opening excerpt
- Dysregulation of hypothalamic ceramides has been associated with disrupted neuronal pathways in control of energy and glucose homeostasis.
- Closing excerpt
- Our experiments reveal functions of CerS6-derived ceramides in hypothalamic lipotoxicity, altered mitochondrial dynamics, and ER/mitochondrial stress in the deregulation of food intake and glucose metabolism in obesity.
- Interpretation limits
- Verbatim excerpts from the authors’ abstract; the closing excerpt may describe a finding, limitation or recommendation. Design, population, effect size and uncertainty have not been independently extracted or appraised. Read the complete abstract and linked paper before interpreting the findings.
Read complete abstract (151 words)
Dysregulation of hypothalamic ceramides has been associated with disrupted neuronal pathways in control of energy and glucose homeostasis. However, the specific ceramide species promoting neuronal lipotoxicity in obesity have remained obscure. Here, we find increased expression of the C16:0 ceramide-producing ceramide synthase (CerS)6 in cultured hypothalamic neurons exposed to palmitate in vitro and in the hypothalamus of obese mice. Conditional deletion of CerS6 in hypothalamic neurons attenuates high-fat diet (HFD)-dependent weight gain and improves glucose metabolism. Specifically, CerS6 deficiency in neurons expressing pro-opiomelanocortin (POMC) or steroidogenic factor 1 (SF-1) alters feeding behavior and alleviates the adverse metabolic effects of HFD feeding on insulin sensitivity and glucose tolerance. POMC-expressing cell-selective deletion of CerS6 prevents the diet-induced alterations of mitochondrial morphology and improves cellular leptin sensitivity. Our experiments reveal functions of CerS6-derived ceramides in hypothalamic lipotoxicity, altered mitochondrial dynamics, and ER/mitochondrial stress in the deregulation of food intake and glucose metabolism in obesity.
Abstract reproduced from the open-access article under the recorded cc by licence; © the authors. PMID 38016943 · DOI · PMC10684560
Beyond satiety: unraveling the complex roles of POMC neurons in behavior and metabolism [4]
Abstract reading summary — source excerpts
- Opening excerpt
- Hypothalamic pro-opiomelanocortin (POMC) neurons are classically viewed as mediators of satiety, acting in response to metabolic and hormonal cues and in opposition to Agouti-related protein (AgRP) neurons to maintain energy balance.
- Closing excerpt
- This perspective underscores the developmental plasticity and functional versatility of POMC neurons, offering new insights into the mechanisms of obesity and potentially paving the way for novel targeted therapeutic strategies.
- Interpretation limits
- Verbatim excerpts from the authors’ abstract; the closing excerpt may describe a finding, limitation or recommendation. Design, population, effect size and uncertainty have not been independently extracted or appraised. Read the complete abstract and linked paper before interpreting the findings.
Read complete abstract (199 words)
Hypothalamic pro-opiomelanocortin (POMC) neurons are classically viewed as mediators of satiety, acting in response to metabolic and hormonal cues and in opposition to Agouti-related protein (AgRP) neurons to maintain energy balance. This model, centered on the appetite-suppressant effects of the POMC-derived neuropeptide α-melanocyte-stimulating hormone (α-MSH) through its activation of melanocortin-4 receptors (MC4R), has shaped our understanding of feeding and body weight regulation for decades. However, recent discoveries have challenged and expanded this traditional view, revealing that POMC neurons are not a uniform population dedicated solely to satiety control. Single-cell transcriptomic analyses have revealed striking molecular heterogeneity, reflected in distinct anatomical distributions, receptor expression profiles, electrophysiological properties, and projection patterns - all supporting the idea of functional specialization within this neuronal population. In this review, we propose a conceptual framework that integrates POMC neuronal heterogeneity with the regulation of appetite, metabolic physiology, and behavior beyond feeding. We highlight emerging evidence showing that discrete POMC neuronal subpopulations respond to specific combinations of interoceptive and environmental cues to orchestrate diverse adaptive responses. This perspective underscores the developmental plasticity and functional versatility of POMC neurons, offering new insights into the mechanisms of obesity and potentially paving the way for novel targeted therapeutic strategies.
Abstract reproduced from the open-access article under the recorded cc by licence; © the authors. PMID 40971005 · DOI · PMC13246545
Key reviews and meta-analyses
The most cited review-type papers among PubMed’s best-match results for this heading, listed with bibliographic details only. Follow the links for the full text and access terms.
- Research article Obesity-induced hypertension: role of sympathetic nervous system, leptin, and melanocortins [5]
- Research article Dynamics of ACTH and Cortisol Secretion and Implications for Disease [6]
- Research article In search of relationships between the acute adrenocortical response and fitness [7]
- Research article Effects of exercise and physical activity on depression [8]
- Research article Hypopituitarism [9]
- Research article The melanocortin pathway and control of appetite-progress and therapeutic implications [10]
References
- Biglari N, Gaziano I, Schumacher J, Radermacher J, Paeger L, Klemm P, et al.. Functionally distinct POMC-expressing neuron subpopulations in hypothalamus revealed by intersectional targeting. . 2021. PMID 34002087 · DOI · PMC8249241
- De Solis AJ, Del Río-Martín A, Radermacher J, Chen W, Steuernagel L, Bauder CA, et al.. Reciprocal activity of AgRP and POMC neurons governs coordinated control of feeding and metabolism. . 2024. PMID 38378998 · DOI · PMC10963273
- Hammerschmidt P, Steculorum SM, Bandet CL, Del Río-Martín A, Steuernagel L, Kohlhaas V, et al.. CerS6-dependent ceramide synthesis in hypothalamic neurons promotes ER/mitochondrial stress and impairs glucose homeostasis in obese mice. . 2023. PMID 38016943 · DOI · PMC10684560
- Jouque V, Miralpeix C, López-Gambero AJ, Nicolas JC, Quarta C, Cota D. Beyond satiety: unraveling the complex roles of POMC neurons in behavior and metabolism. . 2026. PMID 40971005 · DOI · PMC13246545
- Hall JE, da Silva AA, do Carmo JM, Dubinion J, Hamza S, Munusamy S, et al.. Obesity-induced hypertension: role of sympathetic nervous system, leptin, and melanocortins. J Biol Chem. 2010. PMID 20348094 · DOI · PMC2878489
- Lightman SL, Birnie MT, Conway-Campbell BL. Dynamics of ACTH and Cortisol Secretion and Implications for Disease. Endocr Rev. 2020. PMID 32060528 · DOI · PMC7240781
- Breuner CW, Patterson SH, Hahn TP. In search of relationships between the acute adrenocortical response and fitness. Gen Comp Endocrinol. 2008. PMID 18602555 · DOI
- Dinas PC, Koutedakis Y, Flouris AD. Effects of exercise and physical activity on depression. Ir J Med Sci. 2011. PMID 21076975 · DOI
- Schneider HJ, Aimaretti G, Kreitschmann-Andermahr I, Stalla GK, Ghigo E. Hypopituitarism. Lancet. 2007. PMID 17467517 · DOI
- Baldini G, Phelan KD. The melanocortin pathway and control of appetite-progress and therapeutic implications. J Endocrinol. 2019. PMID 30812013 · DOI · PMC6500576
About this article
- Sources
- NLM Medical Subject Headings (definition, synonyms); NCBI PubMed (counts, identifiers); Europe PMC (open-access abstracts and citation counts).
- Verification
- Every reference was resolved against PubMed on 2026-10-31; title, year and DOI matched.
- Review state
- automated source verified; no human expert review has been recorded yet.
- Version
- 1, last updated 2026-10-31.
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Evidence strength
EvidenceHelix's computed view of the study designs behind this topic: how common meta-analyses, randomized trials and reviews are, how recent the literature is, and a plain-language reading. It describes the design mix of the literature. It is not a quality appraisal of any study, and it is not medical advice.