title: [Relation between selenium plasma levels and different prostatic pathologies].
abstract: Several studies have demonstrated an inverse relation between serum selenium levels (Se) and advanced prostate cancer (PCa).
  
  
  OBJECTIVE
  To determine and compare selenium plasma levels in patients with different prostatic pathologies.
  
  
  METHODS
  It is a transversal, descriptive and comparative study. A sample of 64 men between 50 and 80 years old were selected for the study between 2007 and 2009. All volunteers underwent a digital rectal examination, prostate specific antigen level, ultrasound and transrectal prostate biopsy (12-14 chips). Prostate cancer was subclassified according to Gleason Score. Selenium was determined indirectly by serum Glutathione peroxidase (Kit Ransel, Randox SRL, Crumlin, UK). Statistical analysis was performed using ANOVA I (p<0.05).
  
  
  RESULTS
  Glutathione Peroxidase level was 33.75+/-2.36 mg/ml in control patients. A decrease of 31.6% was observed in patients with BPH (23.08+/-1.57 mg/ml) and of (63.6%) in subjects with prostate cancer (12.28+/-1.03 mg/ml) (p<0,0001). There was no correlation with the Gleason Score.
  
  
  CONCLUSIONS
  Serum Seleniun is lower in patients with prostatic pathologies being even more important in cancer patients regardless the Gleason Score.
authors.affiliation: Universidad Juan Agustín Maza, Mendoza, Argentina. investigacioncap@yahoo.com.ar
authors.forename: C M
authors.initials: CM
authors.lastname: López Fontana
authors.forename: R F
authors.initials: RF
authors.lastname: Pérez Elizalde
authors.forename: M C M
authors.initials: MC
authors.lastname: Vanrell
authors.forename: G M
authors.initials: GM
authors.lastname: Recalde
authors.forename: A L
authors.initials: AL
authors.lastname: Uvilla
authors.forename: J D
authors.initials: JD
authors.lastname: López Laur
mesh_terms: D003430:Cross-Sectional Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D011469:Prostatic Diseases / Q000097:blood*; D011471:Prostatic Neoplasms / Q000097:blood*; D012643:Selenium / Q000097:blood*
chemical_list: D012643:Selenium