ArticleScientific reports2026
Loss-of-function mutations in the melanocortin-2-receptor (mc2r) lead to skin hyperpigmentation in teleost fish.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Melanocortins regulate pigmentation via melanocortin receptors (MCRs), which are highly conserved across vertebrates. Unlike other MCRs, the melanocortin 2 receptor (MC2R) is exclusively activated by ACTH; however, its role in pigmentation remains unclear. Using CRISPR/Cas9-generated mc2r knockout zebrafish, we demonstrated that the loss of mc2r in zebrafish results in impaired interrenal steroidogenesis and pronounced hyperpigmentation characterized by an increased number of melanophores and xanthophores while preserving normal patterning. Transcriptomic analyses revealed the upregulation of genes involved in melanosome formation, melanin synthesis, lipid metabolism, and carotenoid accumulation. These findings demonstrate that, in addition to controlling steroidogenesis, mc2r plays a key role in pigment cell development and metabolic regulation.
Indexed as
Identifiers
What Socratic holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.