Genetics of Prostate Carcinoma

Božo Krušlin, Lucija Škara, Tonći Vodopić, Borna Vrhovec, Jure Murgić, Goran Štimac, Ana Fröbe, Cvjetko Lež, Monika Ulamec, Koraljka Gall-Trošelj


The aim of this review is to provide a brief overview of some current approaches regarding diagnostics, pathologic features, treatment, and genetics of prostate carcinoma (PCa). Prostate carcinoma is the most common visceral tumor and the second most common cancer-related cause of death in males. Clinical outcomes for patients with localized prostate cancer are excellent, but despite advances in prostate cancer treatments, castrate-resistant prostate cancer and metastatic prostate cancer patients have a poor prognosis. Advanced large-scale genomic studies revealed a large number of genetic alterations in prostate cancer. The meaning of these alterations needs to be validated in the specific prostate cancer molecular subtype context. Along these lines, there is a critical need for establishing genetically engineered mouse models, which would include speckle type BTB/POZ protein and isocitrate Dehydrogenase (NADP (+)) 1 mutant, as well as androgen receptor neuroendocrine subtypes of prostate cancer. Another urgent need is developing highly metastatic prostate cancer models, as only up to 17% of available models dis- play bone metastases and exhibit a less typical neuroendocrine prostate cancer or sarcomatoid carcinoma. Moreover, androgen deprivation and relapse should be mimicked in the genetically engineered mouse models, as androgen independence may yield a better model for metastatic castrate-resistant prostate cancer. The development of such refined animal models should be guid- ed by comparative genomics of primary versus corresponding metastatic tumors. Such an approach will have the potential to illuminate the key genetic events associated with specific molecular prostate cancer subsets and indicate directions for effective therapy.

Conclusion. Despite excellent results in the treatment of localized prostatic carcinoma, castrate-resistant prostate can- cer and metastatic prostate cancer have a poor prognosis. Advanced large-scale genomic studies revealed a large number of ge- netic alterations in PCa. Experimental models of prostate carcinoma in genetically modified mice could provide new data about the genetic changes in such cancers and help in developing better animal models for treatment resistant prostate carcinomas.


Prostate Cancer; Genetic Changes; Molecular Subtypes; Treatment

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