Table 1

Detection of HERV-K env gene expression in human tissue samples by RT-PCR

Sample descriptionNo. of samplesHERV-K positive
No.(%)
Breast carcinoma5525(45)
Normal breast tissue frombreast carcinoma samples407(18)
Normal breast tissue frompatients without carcinomaa350(0)
Placenta1210(83)
  • a Samples were from reduction mammoplasty (n = 31) and biopsies of fibrocystic lesions (n = 4).