Expression of cancer-associated genes in prostate tumors.

BACKGROUND:  Prostate cancer is one of the most common male cancers in Western countries and takes the third place in morbidity in Ukraine. It is a highly heterogeneous disease. AIM: To analyze relative expression levels of the TGFB1, IL1B, FOS, EFNA5, TAGLN, PLAU, and EPDR1 genes in malignant and non-malignant prostate tissues. MATERIALS AND METHODS:  Total RNA was isolated from 16 prostate adenomas, 37 prostate adenocarcinomas, and 29 conventionally normal prostate tissues. To analyze relative gene expression levels the quantitative real-time polymerase chain reaction was performed. RESULTS: The significant alterations in the relative expression levels were found in all analyzed sample groups for 4 genes: FOS, EFNA5, IL1B, and TGFB1. We have found that FOS and EFNA5 were more frequently overexpressed in carcinomas with Gleason score ≤ 7, compared with adenomas. On contrary, PLAU expression levels were decreased more frequently in prostate cancers, compared with conventionally normal tissues. Noteworthy, we found positive correlation between IL1B expression level and PSA (for patients with slight PSA increase, no more than 20.0 ng/ml). CONCLUSION: The EFNA5, FOS, IL1B, PLAU, and TGFB1 genes that showed significant expression alterations in prostate tumors, compared with conventionally normal prostate tissue, may play role in prostate cancer development and should be further investigated.

[TARTRAT-RESISTANT ACID PHOSPHATASE AS BONE'S RESORBTION MARKER IN PATIENTS WITH BONE METASTASES].

Determination of serum markets of bone resorption in patients, with renal cancer after radical surgery can improve the accuracy of early diagnosis of bone metastases, assess the extent of metastatic bone lesions, and monitoring of bisphosphonates treatment. These data suggest promising activity for tartrat-resistant acid phosphatase (TRAP-5b) of early detection of bone metastasis.