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Related Experiment Videos

[Cyclooxygenases].

P Eschwège1, V de Ledinghen, T Camilli

  • 1Service d'Urologie, Hôpital de Bicêtre, 78, rue du Général Leclerc, F 94270 Le Kremlin-Bicêtre. peschwege@yahoo.com

Presse Medicale (Paris, France : 1983)
|April 20, 2001
PubMed
Summary

Cyclooxygenase-1 (COX-1) is a constitutional enzyme found in most tissues. Cyclooxygenase-2 (COX-2) is an inducible enzyme linked to cancer progression by promoting invasion and inhibiting apoptosis.

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[Brief history of BPH management].

Progres en urologie : journal de l'Association francaise d'urologie et de la Societe francaise d'urologie·2018

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Oncology

Context:

  • Cyclooxygenase enzymes (COX) exist in two isoforms: COX-1 and COX-2.
  • COX-1 is a constitutively expressed enzyme present in various tissues.
  • COX-2 is an inducible enzyme often upregulated during inflammation and implicated in cancer.

Purpose:

  • To differentiate the roles and expression patterns of COX-1 and COX-2.
  • To highlight the specific involvement of COX-2 in cancer development and progression.

Summary:

  • COX-1 is a housekeeping enzyme found widely in tissues like the kidney, digestive tract, platelets, brain, liver, and spleen.
  • COX-2 expression is induced by inflammatory processes and is prevalent in numerous tumor cell lines and epithelial carcinomas.
  • COX-2 activity is associated with enhanced tumor invasion and inhibition of apoptosis, suggesting a role in tumor growth.

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Impact:

  • Understanding COX-2's role in cancer provides potential therapeutic targets.
  • Distinguishing between COX isoforms is crucial for developing targeted anti-inflammatory and anti-cancer strategies.
  • The differential expression and function of COX isoforms have significant implications for disease pathogenesis and treatment.