ArticleBMC genomics2025
Transcriptomic profiling reveals tissue-specific and sex-dimorphic lipid storage in Bufo gargarizans.
Article in BMC genomics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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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.
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Who cites it
2 citing papers in PubMed.
- Review
- Dynamic transcriptome analysis highlights collagen-integrin-mediated extracellular matrix remodeling underlying sexual dimorphism in the amplexus muscle of Bufo gargarizans.Biology of sex differences · 2026Article
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Authors and funding
8 authors.
Funding
Abstract
backgroundThe evolutionary conservation of lipid storage mechanisms across metazoans is well illustrated by vertebrate white adipose tissue (WAT) and its functional counterpart, the amphibian fat body. While serving as the principal lipid reservoir, the amphibian fat body is connected to the gonads and demonstrates unique endocrine-reproductive integration, particularly through its bidirectional regulation of gonadal function and energy metabolism. However, our understanding of this organ's cellular heterogeneity and sex-specific functional adaptations is still limited.
resultsIn this study, we investigated the molecular mechanisms underlying the adipose tissue specialization in Bufo gargarizans, revealing sex- and depot-specific adaptations between visceral fat bodies and subcutaneous adipose tissue. Through comparative transcriptomics, we identified 1,201 visceral and 1,225 subcutaneous sex-biased differentially expressed genes (DEGs), with functional enrichment in calcium signaling pathway, MAPK signaling pathway, and vascular smooth muscle contraction. Subcutaneous depots exhibited calcium flux-driven lipogenesis regulation, where CACNA1G and NCX1 orchestrated adipocytes differentiation via PHKG1-mediated phosphorylation and NFATc1 nuclear translocation. In visceral fat bodies, sexually dimorphic metabolic strategies were prominent, females prioritized lipid storage through TCA cycle augmentation, while males upregulated Mucin-type O-glycan biosynthesis, suggesting a protective role against testicular oxidative stress. Regulatory divergence in subcutaneous adipose tissue extended to vascular dynamics, males enhanced KLF2-dependent angiogenesis via the Apelin pathway, whereas females activated MYLK3-mediated vascular permeability through tight junction remodeling.
conclusionsOur study revealed the central role of calcium signaling in adipose tissue diversification in B. gargarizans, linking tissue-biased gene networks to evolutionary adaptations. We found subcutaneous fat depots prioritized calcium-mediated adipogenesis, while visceral fat diverged into female lipid storage versus male gonadal protection via Mucin O-glycans. Our work redefines amphibian adipose systems as vertebrate lipid metabolism models, uncovers evolutionarily conserved modules in vascular regulation and stress-induced glycosylation, and elucidates mechanisms bridging adaptive energy allocation in amphibians.
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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.