Enzymatic and non-enzymatic antioxidant status in stage (III) human oral squamous cell carcinoma and treated with radical radio therapy: influence of selenium …
N Elango, S Samuel, P Chinnakkannu - Clinica Chimica Acta, 2006 - Elsevier
BACKGROUND: Oxidative stress is implicated in oral carcinogenesis and has been found to
be aggravated during radiotherapy. A great deal of attention has been focused on the …
be aggravated during radiotherapy. A great deal of attention has been focused on the …
Serum selenium concentration and antioxidant activity in cervical cancer patients before and after treatment
D Subramanyam, KCV Subbaiah… - Experimental …, 2013 - irbis-nbuv.gov.ua
Aim-in the present study, the effect of chemo and radio therapies on serum trace elements
content and antioxidant activity in blood serum of cervical cancer patients was evaluated …
content and antioxidant activity in blood serum of cervical cancer patients was evaluated …
Selenium substitution during radiotherapy of solid tumours–laboratory data from two observation studies in gynaecological and head and neck cancer patients
J Buentzel, O Micke, K Kisters, F Bruns… - Anticancer …, 2010 - ar.iiarjournals.org
Objective: Selenium is an essential cofactor of the enzyme glutathione peroxidase (GSH-
Px), which is important for the endogenous detoxification of free radicals. A reduced activity …
Px), which is important for the endogenous detoxification of free radicals. A reduced activity …
Limited effects of selenium substitution in the prevention of radiation-associated toxicities. Results of a randomized study in head and neck cancer patients
J Büntzel, D Riesenbeck, M Glatzel… - Anticancer …, 2010 - ar.iiarjournals.org
Objective: The substitution of selenium activates the selenium-dependent enzyme
glutathione peroxidase, which is important for scavenging free radicals. To date, only limited …
glutathione peroxidase, which is important for scavenging free radicals. To date, only limited …
[HTML][HTML] Selenium influences trace elements homeostasis, cancer biomarkers in squamous cell carcinoma patients administered with cancerocidal radiotherapy
S Elango, S Samuel, Z Khashim… - Asian Pacific Journal of …, 2018 - ncbi.nlm.nih.gov
In the perspective of selenium as an antioxidant and anti-carcinogen, so far no strong
intervention trials with selenium over radiation-treated oral squamous cell carcinoma cases …
intervention trials with selenium over radiation-treated oral squamous cell carcinoma cases …
[HTML][HTML] Serum levels of selenium in patients with breast cancer before and after treatment of external beam radiotherapy
CAS Franca, CR Nogueira, A Ramalho… - Annals of oncology, 2011 - Elsevier
Background To evaluate the influence of radiotherapy on the selenium serum levels of
breast cancer patients. Patients and methods This prospective study includes 209 breast …
breast cancer patients. Patients and methods This prospective study includes 209 breast …
Effect of serum selenium levels on radiotherapy-related toxicity in patients undergoing radiotherapy for head and neck cancer
Aim: To investigate whether there is a difference in selenium levels before and after
radiotherapy (RT) and to study the effects of serum selenium levels on RT-related toxicity in …
radiotherapy (RT) and to study the effects of serum selenium levels on RT-related toxicity in …
Decreased selenium concentration and glutathione peroxidase activity in blood and increase of these parameters in malignant tissue of lung cancer patients
BA Zachara, E Marchaluk-Wiśniewska, A Maciag… - Lung, 1997 - Springer
We studied the selenium (Se) concentration in whole blood and plasma, glutathione
peroxidase (GSH-Px) activity in red blood cells and plasma, as well as both of these …
peroxidase (GSH-Px) activity in red blood cells and plasma, as well as both of these …
Blood selenium and glutathione peroxidase status in patients with colorectal cancer
D Psathakis, N Wedemeyer, E Oevermann… - Diseases of the colon & …, 1998 - Springer
PURPOSE: It is still controversial whether a low selenium level and a reduced activity of the
selenium-dependent enzyme, glutathione peroxidase, in blood are associated with an …
selenium-dependent enzyme, glutathione peroxidase, in blood are associated with an …
Amifostine and selenium during simultaneous radiochemotherapy in head and neck cancer-redox status data.
J Buentzel, O Micke, R Müke… - Trace Elements & …, 2005 - search.ebscohost.com
Objective: The supportive strategy of cytoprotection is based on the idea of scavanging free
radicals in order to decrease side effects due to anticancer treatment. We have investigated …
radicals in order to decrease side effects due to anticancer treatment. We have investigated …