Scavenging effect of benzophenones on the oxidative stress of skeletal muscle cells

Jui Sheng Sun, Ko Ming Shieh, Hsuch Ching Chiang, Shiow Yunn Sheu, Yi Shiong Hang, Fung Jou Lu, Yang Hwei Tsuang

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Benzophenone is an ultraviolet (UV)-absorbing agent that has been used in industry and medicine for more than 30 years. Consumers of cosmetics and sunscreens containing UV-absorbers are exposed to benzophenones on a daily basis, owing to the widespread use of these compounds. However, the efficacy of these compounds as scavengers of oxidative stress is still not well established. In the present study, we investigate the antioxidative capacity of six sunscreen benzophenone compounds. A primary myoblast culture was mixed in vitro with 100 μM menadione. The cytotoxic effect by menadione-induced oxidative stress was monitored by the lucigenin- or luminol-amplified chemiluminescence, methylthiotetrazole (MTT) assay, and the antioxidative effects of various benzophenone compounds were evaluated. The results showed that the addition of menadione can induce oxidative stress on myoblasts by superoxide and hydrogen peroxide production, which can be eradicated by superoxide dismutase (SOD) and catalase, respectively, in a dose-dependent mode. The catalase has a protective effect on the cytotoxicity induced by menadione as measured by the MTT assay, while the SOD does not. The selected benzophenones also have a significant scavenging effect on the menadione- induced cell death on the myoblasts. The ortho-dihydroxyl structure and other hydroxy groups in the same ring have a stronger scavenging effect on the superoxide anion on myoblasts; thus, a stable penoxy radical may be formed. The mechanism of this effect remains to be clarified.

Original languageEnglish
Pages (from-to)1100-1107
Number of pages8
JournalFree Radical Biology and Medicine
Volume26
Issue number9-10
DOIs
Publication statusPublished - May 1999

Fingerprint

Benzophenones
Vitamin K 3
Oxidative stress
Scavenging
Muscle Cells
Myoblasts
Muscle
Skeletal Muscle
Oxidative Stress
Cells
Sun hoods
Sunscreening Agents
Superoxides
Catalase
Superoxide Dismutase
Assays
Luminol
Chemiluminescence
Cosmetics
Cell death

Keywords

  • Benzophenones
  • Free radicals
  • Menadione
  • Myoblasts
  • Oxidative stress

ASJC Scopus subject areas

  • Medicine(all)
  • Toxicology
  • Clinical Biochemistry

Cite this

Scavenging effect of benzophenones on the oxidative stress of skeletal muscle cells. / Sun, Jui Sheng; Shieh, Ko Ming; Chiang, Hsuch Ching; Sheu, Shiow Yunn; Hang, Yi Shiong; Lu, Fung Jou; Tsuang, Yang Hwei.

In: Free Radical Biology and Medicine, Vol. 26, No. 9-10, 05.1999, p. 1100-1107.

Research output: Contribution to journalArticle

Sun, Jui Sheng ; Shieh, Ko Ming ; Chiang, Hsuch Ching ; Sheu, Shiow Yunn ; Hang, Yi Shiong ; Lu, Fung Jou ; Tsuang, Yang Hwei. / Scavenging effect of benzophenones on the oxidative stress of skeletal muscle cells. In: Free Radical Biology and Medicine. 1999 ; Vol. 26, No. 9-10. pp. 1100-1107.
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