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Integrin alpha-v/beta3 expression in equine lungs and jejunum.

Nguyen Phuong Khanh Le1, Volker Gerdts1, Baljit Singh1

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This study reveals the presence of integrin alpha-v/beta3 (αvβ3) in equine lungs and jejunum. These findings provide new insights into the distribution of this important cell adhesion molecule in horses.

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Area of Science:

  • Veterinary Medicine
  • Cell Biology
  • Immunohistochemistry

Background:

  • Integrin alpha-v/beta3 (αvβ3) plays crucial roles in cell adhesion, signaling, and survival.
  • The expression of integrin αvβ3 in equine lungs and jejunum is not well documented.

Purpose of the Study:

  • To investigate the expression and distribution of integrin αvβ3 in the lungs and jejuna of horses.
  • To utilize light and electron immunocytochemistry for detailed analysis.

Main Methods:

  • Light and electron immunocytochemistry techniques were employed.
  • Tissue samples from equine lungs and jejuna were analyzed.

Main Results:

  • Integrin αvβ3 was detected on the epithelium, Peyer's patch immune cells, smooth muscle, and endothelium of the equine jejunum.
  • In equine lungs, integrin αvβ3 was found on the endothelium of blood vessels, alveolar septa, bronchial lymph nodes, and cartilages.
  • Weak expression of integrin αvβ3 was observed on the epithelium of equine bronchioles.

Conclusions:

  • This study presents the first evidence of integrin αvβ3 expression in equine lungs and jejuna.
  • The findings contribute to understanding the role of integrin αvβ3 in equine respiratory and gastrointestinal systems.