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Related Concept Videos

Pleiotropy01:33

Pleiotropy

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Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
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Related Experiment Video

Updated: Aug 27, 2025

Dissection of the Auditory Bulla in Postnatal Mice: Isolation of the Middle Ear Bones and Histological Analysis
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Bmp5 Mutation Alters mRNA Expression During External Ear Development.

Wei Liu1, Lin Lin, Yiwei Sun

  • 1Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.

The Journal of Craniofacial Surgery
|September 27, 2022
PubMed
Summary
This summary is machine-generated.

Investigating bone morphogenetic protein 5 (BMP5) in mice reveals key mRNA expression changes during external ear development. This research clarifies gene regulation mechanisms essential for ear formation.

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Area of Science:

  • Developmental Biology
  • Genetics
  • Molecular Biology

Background:

  • External ear development is a complex process involving precise gene regulation.
  • Understanding the molecular mechanisms of ear formation is crucial for identifying developmental abnormalities.

Purpose of the Study:

  • To investigate gene regulation and mRNA expression changes during external ear development.
  • To identify key regulatory mRNA transcripts and signaling pathways involved in ear formation using a mouse model.

Main Methods:

  • Utilized a bone morphogenetic protein 5 (BMP5) short-ear mouse model.
  • Analyzed mRNA expression profiles from external ear tissues at embryonic days E15.5 and E17.5.
  • Employed find_circ and CIRI2 software for identifying differentially expressed mRNAs, followed by Gene Ontology and Kyoto Encyclopedia of Genes and Genomes enrichment analyses.

Main Results:

  • Identified significant upregulated and downregulated mRNA expression patterns during external ear development.
  • Revealed alterations in signaling pathways correlated with mRNA expression changes.
  • Established a link between BMP5 gene mutations and key regulatory mRNA alterations in ear development.

Conclusions:

  • The study elucidates the mechanisms of mRNA regulation in external ear development.
  • Findings provide insights into the role of BMP5 in ear formation.
  • mRNA expression profiles offer valuable data for future research on ear development regulation.