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Temporal Ordering of Dynamic Expression Data from Detailed Spatial Expression Maps
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Expression of IFT140 During Bone Development.

Chenyang Zhang1, Shuai Zhang1, Yao Sun1

  • 1Department of Oral Implantology, School of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China.

The Journal of Histochemistry and Cytochemistry : Official Journal of the Histochemistry Society
|June 26, 2019
PubMed
Summary
This summary is machine-generated.

Intraflagellar transport protein 140 (IFT140) is highly expressed in bone during development and downregulated in osteoporosis models, suggesting its role in bone cell differentiation.

Keywords:
IFTchondrocyteciliadifferentiationendochondral ossificationosteoblastskeletal development

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Area of Science:

  • Cell Biology
  • Developmental Biology
  • Orthopedics

Background:

  • Primary cilia are crucial for cellular signaling and sensing extracellular stimuli.
  • Intraflagellar transport (IFT) is vital for cilia formation and maintenance.
  • IFT140 is a key component of the IFT-A complex, and its mutations are linked to skeletal ciliopathies.

Purpose of the Study:

  • To investigate the expression and role of IFT140 during bone development.
  • To determine IFT140 expression patterns in osteoblasts and chondrocytes.
  • To explore the potential involvement of IFT140 in chondrogenic and osteogenic differentiation.

Main Methods:

  • Quantitative analysis of Ift140 mRNA expression in bone tissues.
  • Histological examination of IFT140 protein localization in developing bone.
  • Comparison of IFT140 expression in normal and murine osteoporosis models.

Main Results:

  • Ift140 mRNA demonstrated high expression in bone compared to soft tissues.
  • Ift140 expression was significantly downregulated in the long bones of osteoporosis models.
  • IFT140 protein was characteristically expressed in osteoblasts and chondrocytes in two distinct waves during bone development.

Conclusions:

  • IFT140 is highly expressed in bone and its expression is altered in osteoporosis.
  • IFT140 is localized to osteoblasts and chondrocytes, indicating a role in bone development.
  • These findings suggest IFT140 is important for chondrogenic and osteogenic differentiation.