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In vivo function of desmosomes.
1Department of Dermatology, Baylor College of Medicine, Houston, TX 77030, USA.
The Journal of Dermatology
|June 10, 2004
Summary
Desmosomes are vital cell junctions essential for skin and heart integrity and embryonic development. Mutations in desmosomal genes disrupt these processes, highlighting their critical in vivo roles.
Area of Science:
- Cell Biology
- Developmental Biology
- Dermatology
Background:
- Desmosomes are crucial cell-cell junctions.
- They maintain mechanical integrity in adult skin and heart.
- Essential for embryonic development, as shown by null mutations.
Purpose of the Study:
- Review the in vivo roles of desmosomes.
- Summarize effects of desmosomal gene mutations on development.
- Discuss desmosomal cadherins in skin homeostasis.
Main Methods:
- Literature review of in vivo studies.
- Analysis of mouse and human genetic mutation data.
- Focus on desmosomal gene functions.
Main Results:
- Desmosomes are indispensable for embryonic development.
- Mutations cause developmental defects and lethality.
- Desmosomal cadherins play specific roles in skin differentiation.
Conclusions:
- Desmosomes are critical for organismal development and tissue homeostasis.
- Understanding desmosome function is key for treating related diseases.
- Further research on desmosomal cadherins is warranted.