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ADAM8 in asthma. Friend or foe to airway inflammation?

Jun Chen1, Xuemei Jiang, Yiyuan Duan

  • 11 Key Lab of Biorheological Science and Technology, Ministry of Education, "National 985 Project" Institute of Biorheology and Gene Regulation, Bioengineering College, Chongqing University, Chongqing, P.R. China.

American Journal of Respiratory Cell and Molecular Biology
|July 11, 2013
PubMed

Insights

This review examines the contradictory roles of a disintegrin and metalloprotease 8 (ADAM8) in asthma pathogenesis. We propose a hypothesis explaining how ADAM8 regulates leukocyte recruitment in airway inflammation.

Area of Science:

  • Immunology
  • Pulmonology
  • Biochemistry

Background:

  • Airway inflammation is central to asthma pathogenesis.
  • Leukocyte recruitment into airways is crucial for inflammation, potentially mediated by ADAM8.
  • Existing research presents conflicting views on ADAM8's role in leukocyte transmigration.

Purpose of the Study:

  • To review and reconcile contradictory findings on ADAM8's function in asthma-related airway inflammation.
  • To analyze the functional domains and in vivo processing of ADAM8.
  • To propose a hypothesis explaining ADAM8's regulation of leukocyte transmigration.

Main Methods:

  • Literature review and synthesis of existing experimental data.
  • Functional analysis of ADAM8 domains.
  • In vivo processing analysis of ADAM8.
  • Hypothesis generation based on functional and processing data.

Main Results:

  • Contradictory roles of ADAM8 in leukocyte transmigration were identified.
  • Functional domains and endogenous processing of ADAM8 influence its activity.
  • A novel hypothesis for ADAM8's mechanism in regulating leukocyte transmigration was developed.

Conclusions:

  • ADAM8's role in asthma airway inflammation is complex and context-dependent.
  • Understanding ADAM8's specific mechanisms is key to resolving existing disparities.
  • Further investigation is needed to elucidate ADAM8's precise function and therapeutic potential.

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