The role of cyclooxygenase-derived oxidative stress in surgically induced lymphedema in a mouse tail model

Ting Chen Chang, Yih Huei Uen, Cheng Hung Chou, Joen Rong Sheu, Duen Suey Chou

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Context: Oxidative stress may contribute to lymphedema and subsequent tissue damage. However, the causal role of oxidative stress in lymphedema remains unclear. Objective: We attempted to detect and identify the free radicals formed in lymphedema fluid and assessed the protective mechanisms and effects of specific enzyme inhibitors and natural antioxidants. Materials and methods: To study the level of postsurgical oxidative stress with lymphedema in a mouse tail model, we used an electron spin resonance (ESR) method and an ascorbyl radical's ESR spectrum as an oxidative stress biomarker. The drug-treatment group received an i.p. injection with indomethacin (2mg/kg), baicalein (15mg/kg), MK-886 (3mg/kg), zileuton (6.25mg/kg), diphenyleneiodonium (DPI; 1mg/kg), sulforaphane (30mg/kg), oryzanol (30mg/kg) or sesamol (30mg/kg) once daily for 14d from the day of operation. All animals were sacrificed on day 14. Results: Administration of indomethacin, sulforaphane, oryzanol and sesamol significantly suppressed both the tail volume (56.9%, 77.8%, 72.2% and 38.1% inhibition, respectively, p

Original languageEnglish
Pages (from-to)573-580
Number of pages8
JournalPharmaceutical Biology
Volume51
Issue number5
DOIs
Publication statusPublished - May 2013

Fingerprint

Lymphedema
Prostaglandin-Endoperoxide Synthases
Tail
Oxidative Stress
Electron Spin Resonance Spectroscopy
L 663536
zileuton
Indomethacin
Enzyme Inhibitors
Free Radicals
Antioxidants
Biomarkers
Injections
Pharmaceutical Preparations
sesamol
sulforafan
gamma-oryzanol
Therapeutics

Keywords

  • Ascorbyl radical
  • Electron spin resonance
  • Indomethacin
  • Oryzanol
  • Sesamol
  • Sulforaphane

ASJC Scopus subject areas

  • Drug Discovery
  • Pharmacology
  • Pharmaceutical Science
  • Complementary and alternative medicine
  • Molecular Medicine

Cite this

The role of cyclooxygenase-derived oxidative stress in surgically induced lymphedema in a mouse tail model. / Chang, Ting Chen; Uen, Yih Huei; Chou, Cheng Hung; Sheu, Joen Rong; Chou, Duen Suey.

In: Pharmaceutical Biology, Vol. 51, No. 5, 05.2013, p. 573-580.

Research output: Contribution to journalArticle

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