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Adamts9 is widely expressed during mouse embryo development.

Katherine A Jungers1, Carine Le Goff, Robert P T Somerville

  • 1Department of Biomedical Engineering and Orthopaedic Research Center, Lerner Research Institute, Cleveland Clinic Foundation (ND20), OH 44195, USA.

Gene Expression Patterns : GEP
|June 9, 2005
PubMed
Summary

ADAMTS9, a metalloprotease, is widely expressed during mouse embryonic development, particularly in developing organs and skeletal tissues. Its expression pattern suggests crucial roles in organogenesis and skeletal formation.

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Area of Science:

  • Biochemistry
  • Developmental Biology
  • Genetics

Background:

  • ADAMTS metalloproteases are enzymes involved in protein and proteoglycan processing.
  • ADAMTS9 and ADAMTS20 are mammalian relatives of C. elegans gon-1, essential for gonadal development.
  • ADAMTS20 plays a role in melanoblast colonization, with mutations causing white spotting in mice.

Purpose of the Study:

  • To investigate the spatial and temporal regulation of Adamts9 during mouse embryogenesis.
  • To understand the developmental roles of Adamts9 based on its expression patterns.

Main Methods:

  • RNA in situ hybridization was used to determine Adamts9 expression patterns.
  • Analysis was performed across various stages of mouse embryonic development (7.5 to 15.5 dpc).

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Main Results:

  • Adamts9 exhibits dynamic expression throughout embryogenesis, starting in the allantois, trophoblast, and endoderm at 7.5 dpc.
  • Expression is observed in head mesoderm, heart, posterior mesoderm, craniofacial region, ventral body wall, and diaphragm at later stages.
  • Adamts9 is highly expressed in developing lung, kidney, mesentery, and during skeletogenesis (perichondrium, growth plates, bone formation).
  • Expression is also noted in vascular endothelium, pituitary, cochlea, and specific central nervous system regions.

Conclusions:

  • Adamts9 shows broad and dynamic expression during mouse embryogenesis.
  • Its expression pattern indicates significant roles in the development of multiple organ systems and skeletal tissues.
  • Further research is warranted to elucidate the specific functions of Adamts9 in these developmental processes.