Effects of cigarette smoking on lipid peroxidation and antioxidant status in cancer patients from Western Nepal.
Asian Pac J Cancer Prev
; 12(1): 313-6, 2011.
Article
en En
| MEDLINE
| ID: mdl-21517278
ABSTRACT
OBJECTIVES:
There is growing evidence that oxidative stress (OS) has a causal relationship with cancer and a weak antioxidant defense can aggravate it further. We therefore, undertook this study to examine lipid peroxidation (TBARS), total antioxidant activity (TAA), ascorbic acid (vitamin C) and α- tocopherol levels in cancer patients, with special attention to the influence of smoking.METHODS:
The study subjects were 42 patients (61.19 ± 10.1 yrs) suffering from cancer and 43 normal subjects (NS) (56.69 ± 19.1 yrs). Plasma levels of TBARS, TAA, vitamin C and ?- tocopherol were estimated.RESULTS:
TAA and α-tocopherol levels were significantly lower and TBARS levels significantly higher in cancer patients when compared to NS. In smoking cancer patient's ?-tocopherol levels were significantly low and TBARS significantly raised.CONCLUSION:
Our observations indicate that increased lipid peroxidation, reduced total antioxidant activity and ?-tocopherol levels are associated with cancer development, with and without smoking. However, a greater reduction of TAA in smokers may be due to increased oxidants introduced by smoking.
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Base de datos:
MEDLINE
Asunto principal:
Peroxidación de Lípido
/
Fumar
/
Neoplasias
/
Antioxidantes
Tipo de estudio:
Observational_studies
/
Risk_factors_studies
País/Región como asunto:
Asia
Idioma:
En
Revista:
Asian Pac J Cancer Prev
Asunto de la revista:
NEOPLASIAS
Año:
2011
Tipo del documento:
Article