Abstract
Epididymitis is one of the most frequent diseases of the male urogenital tract and a relevant etiological factor of infertility. Epididymitis is mostly caused by Escherichia coli bacterial infections, which colonize the epididymis by retrograde canalicular ascension via the urethra. The epididymis constitutively expresses a myriad of antimicrobial proteins, such as the members of the WFDC…