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RNA Isolation from Mouse Ocular Lens Epithelium and Fiber Cell Bulk Masses
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Comparative Skin Transcriptomics Reveals Key Regulators of Cashmere Fiber Production in Inner Mongolian Goats.

Hafiza Arooba Riaz1, Muhammad Irfan Khan1, Kiran Zahra1

  • 1College of Animal Sciences and Technology, Yangzhou University, Yangzhou 225009, China.

Animals : an Open Access Journal From MDPI
|March 28, 2026
PubMed
Summary
This summary is machine-generated.

This study reveals key gene expression differences in cashmere goats, identifying molecular pathways and candidate genes crucial for high-value fiber production. These findings support future molecular breeding strategies for cashmere goats.

Keywords:
cashmere goatdifferential gene expressionfiber formationhair follicle developmentsecondary hair follicletranscriptome sequencing

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Area of Science:

  • Animal Genetics
  • Molecular Biology
  • Transcriptomics

Background:

  • Cashmere goats are prized for their fine fibers, but the genetic basis of this trait is not fully understood.
  • Secondary hair follicle development is central to cashmere production.

Purpose of the Study:

  • To identify gene expression differences between cashmere and normal goats.
  • To elucidate the molecular mechanisms underlying cashmere fiber formation.

Main Methods:

  • Comparative transcriptome sequencing (RNA-seq) of skin tissues from cashmere and normal goats.
  • Differential gene expression analysis and multivariate analyses.
  • Functional enrichment analysis of signaling pathways and gene regulation.

Main Results:

  • 1543 differentially expressed genes (DEGs) were identified, impacting hair follicle morphogenesis and differentiation.
  • Transcriptomic data clearly separated goat groups by fleece type.
  • Key signaling pathways (Wnt, MAPK, PI3K-Akt) and genes (FGF5, SOX9, LHX2, VDR) were differentially expressed.
  • Alternative splicing, particularly exon skipping, was prevalent in goat skin.

Conclusions:

  • Transcriptomic insights link signaling, follicle development, and differentiation to cashmere fiber production.
  • Identified candidate genes and pathways for cashmere goat functional validation and breeding.
  • Provides a foundation for understanding the molecular basis of cashmere quality.