Glutathione, vitamin D and antioxidant status in the blood of patients with colorectal cancer: A pilot study

Reema Fayez Tayyem, Iman M Ahmad, Lhab Shehadah, Kamal Bani-Hani, Tareq Al-Jaberi, Majed Al-Nusairr

Research output: Contribution to journalArticle

Abstract

A case-control study was conducted to evaluate some parameters of antioxidant and nutritional status in patients with colorectal cancer (CRC) and healthy controls. The present study was based on 25 patients with diagnosed CRC, ranging in age from 35 to 76 years with the mean age of 51.3±11.3 years. There were healthy volunteers (age-and sex-matched) serving as the control subjects. We measured reduced glutathione (GSH, a marker of antioxidant response) in erythrocytes along with the examination of plasma antioxidants (vitamin E, A and beta-carotene) and vitamin D. The results showed that the levels of vitamin D and GSH in the blood of the patients with CRC were significantly lower than the control. However, there was no significant difference in the level of vitamin A and beta-carotene in the blood of the patients with CRC as compared to control group. Interestingly, our results showed a significant increase in the blood level of Vitamin E in patients with CRC as compared to control. Our results indicate significant role of oxidative- induced injury in the CRC carcinogenesis. The decreased concentrations of vitamin D and GSH in CRC cases as compared to controls could be used as predictors for having CRC. However, no association between vitamin A and beta-carotene and CRC was detected. Higher plasma concentration of vitamin E was noticed in CRC cases comparing to controls.

Original languageEnglish (US)
Pages (from-to)13-17
Number of pages5
JournalPakistan Journal of Nutrition
Volume14
Issue number1
DOIs
StatePublished - Jan 1 2015

Fingerprint

vitamin D
colorectal neoplasms
Vitamin D
Glutathione
glutathione
Colorectal Neoplasms
Antioxidants
antioxidants
blood
beta Carotene
Vitamin E
beta-carotene
vitamin E
Vitamin A
vitamin A
case-control studies
Nutritional Status
carcinogenesis
volunteers
nutritional status

Keywords

  • Beta-carotene
  • Colorectal cancer
  • E and A
  • Glutathione
  • Vitamins D

ASJC Scopus subject areas

  • Food Science
  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health

Cite this

Glutathione, vitamin D and antioxidant status in the blood of patients with colorectal cancer : A pilot study. / Tayyem, Reema Fayez; Ahmad, Iman M; Shehadah, Lhab; Bani-Hani, Kamal; Al-Jaberi, Tareq; Al-Nusairr, Majed.

In: Pakistan Journal of Nutrition, Vol. 14, No. 1, 01.01.2015, p. 13-17.

Research output: Contribution to journalArticle

Tayyem, Reema Fayez ; Ahmad, Iman M ; Shehadah, Lhab ; Bani-Hani, Kamal ; Al-Jaberi, Tareq ; Al-Nusairr, Majed. / Glutathione, vitamin D and antioxidant status in the blood of patients with colorectal cancer : A pilot study. In: Pakistan Journal of Nutrition. 2015 ; Vol. 14, No. 1. pp. 13-17.
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