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https://www.readbyqxmd.com/read/28110463/biomarkers-of-renal-tumors-the-current-state-and-clinical-perspectives
#1
REVIEW
Marina O Golovastova, Dmitry O Korolev, Larisa V Tsoy, Vladimir A Varshavsky, Wan-Hai Xu, Andrey Z Vinarov, Evgeni Yu Zernii, Pavel P Philippov, Andrey A Zamyatnin
Renal cell carcinoma (RCC) ranks the first death rate among the urogenital tumors, whereas its incidence follows the incidences of prostate and bladder cancer. The diagnosis of RCC at early stages allows immediately undertaking appropriate treatment, which significantly increases patients' survival rate. Early and accurate diagnosis avoids inadequate treatment, provides the disease progression forecast, and permits to apply more efficient therapy. Unfortunately, the small renal tumors are usually asymptomatic resulting in the late diagnosis and, therefore, low efficacy of treatment...
January 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28110348/erratum-to-a-rare-case-of-rectal-carcinoma-and-prostate-carcinoma-with-coexistent-paget-s-disease-mimicking-bone-metastases-in-both-18f-fdg-and-68ga-psma-pet-ct
#2
Arun Sasikumar, Ajith Joy, M R A Pillai, Vikraman Raman, Arun Vasudevan, Jayaprakash Madhavan
No abstract text is available yet for this article.
January 21, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28110318/genetic-variation-of-the-psca-gene-rs2294008-is-not-associated-with-the-risk-of-prostate-cancer
#3
Lee Il-Seok, Pil Seo Sung, Sok Ha Yun, Jeong Pildu, Won Kang Ho, Tae Kim Won, Kim Yong-June, Joong Yun Seok, Cheol Lee Sang, Kim Wun-Jae
Prostate stem cell antigen (PSCA) is a cell-membrane glycoprotein consisting of 123 amino acids and highly expressed in the prostate, but there have been few reports on the relationship between rs2294008 of PSCA and prostate cancer in the literature. Therefore, we evaluated the association between rs2294008 and the risk of prostate cancer. A total of 240 prostate cancer patients and 306 controls (patients with benign prostatic hyperplasia) were enrolled. Genotype analysis of rs2294008 of PSCA was performed using PCR...
January 19, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28110202/choline-based-imaging-of-prostate-cancer-with-combined-18-f-fluorocholine-pet-and-1-h-mr-spectroscopy-by-means-of-integrated-pet-mri
#4
Axel Wetter, Johannes Grüneisen, Klaus Fliessbach, Susanne Lütje, Benedikt Schaarschmidt, Lale Umutlu
PURPOSE: To evaluate integrated PET/MRI/(1)H MR spectroscopy in patients with prostate cancer. SUBJECTS AND METHODS: Data analysis comprised calculations of correlations of standardized uptake values (SUVs) and ratios of (choline+creatine)/citrate as well as of single metabolite values and a logistic regression analysis of PET data and MR spectroscopy data in 22 patients. RESULTS: SUVmean and integral values of choline correlated significantly in tumors...
January 7, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28110035/when-is-a-negative-prostate-biopsy-really-negative-repeat-biopsies-in-detection-and-active-surveillance
#5
EDITORIAL
Stacy Loeb
No abstract text is available yet for this article.
January 18, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28109910/induction-of-neuroendocrine-differentiation-in-castration-resistant-prostate-cancer-cells-by-adipocyte-differentiation-related-protein-adrp-delivered-by-exosomes
#6
Li-Chiung Lin, Allen C Gao, Chih-Ho Lai, Jer-Tsong Hsieh, Ho Lin
Although overall mortality rate of prostate cancer (PCa) declines in recent years, castration-resistant prostate cancer (CRPC) remains incurable. Clinical evidence indicates that CRPC recurred from hormonal therapy exhibits neuroendocrine differentiated (NED) phenotypes, which could contribute to therapeutic resistance and poor survival. Understanding the onset of NED could lead us to develop new therapeutic strategies for CRPC. Although PCa is known as a lipid-enriched tumor, its role in CRPC development is not fully understood...
January 18, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28109841/disruption-of-aromatase-homeostasis-as-the-cause-of-a-multiplicity-of-ailments-a-comprehensive-review
#7
REVIEW
Seema Patel
Human health is beset with a legion of ailments, which is exacerbated by the lifestyle errors. Out of the numerous enzymes in human body, aromatase, a cytochromes P450 enzyme is particularly very critical. Occurring at the crossroads of multiple signalling pathways, its homeostasis is vital. Unfortunately, medications, hormone therapy, chemical additives in food, and endocrine-disrupting personal care products are oscillating the aromatase concentration beyond the permissible level. As this enzyme converts androgens (C19) into estrogens (C18), its agitation has different outcomes in different genders and age groups...
January 18, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28109633/the-american-college-of-radiology-and-the-american-brachytherapy-society-practice-parameter-for-the-performance-of-low-dose-rate-brachytherapy
#8
Akila N Viswanathan, Beth A Erickson, Geoffrey S Ibbott, William Small, Patricia J Eifel
Brachytherapy is the use of radionuclides to treat malignancies or benign conditions by means of a radiation source placed close to or into the tumor or treatment site. This practice parameter refers only to the use of radionuclide brachytherapy. Brachytherapy alone or combined with external beam therapy plays an important role in the management and treatment of patients with cancer. Low-dose-rate (LDR) brachytherapy has traditionally been used for treating prostate, head and neck, breast, cervical, and endometrial cancers as well as obstructive bile duct, esophageal, or bronchial lesions...
January 2017: Brachytherapy
https://www.readbyqxmd.com/read/28109632/the-american-college-of-radiology-and-the-american-brachytherapy-society-practice-parameter-for-transperineal-permanent-brachytherapy-of-prostate-cancer
#9
Nathan H J Bittner, Peter F Orio, Gregory S Merrick, Bradley R Prestidge, Alan Charles Hartford, Seth A Rosenthal
Transperineal permanent brachytherapy is a safe and effective treatment option for patients with organ-confined prostate cancer. Careful adherence to established brachytherapy standards has been shown to improve the likelihood of procedural success and reduce the incidence of treatment-related morbidity. A collaborative effort of the American College of Radiology (ACR) and the American Brachytherapy Society (ABS) has produced practice parameters for LDR prostate brachytherapy. These practice parameters define the qualifications and responsibilities of all the involved personnel, including the radiation oncologist, physicist and dosimetrist...
January 2017: Brachytherapy
https://www.readbyqxmd.com/read/28109198/mir-143-induces-the-apoptosis-of-prostate-cancer-lncap-cells-by-suppressing-bcl-2-expression
#10
Zhiwei Ma, Yizhao Luo, Mingxing Qiu
BACKGROUND Prostate cancer has become a serious threat to the life of patients. microRNAs are small non-coding RNA molecules that regulate the growth and apoptosis of cells. We aimed to investigate the regulation and mechanism of microRNA (miR-143) in the proliferation and apoptosis of prostate cancer LNCap cells. MATERIAL AND METHODS miR-143 and control scramble miRNA were synthesized and respectively transfected into LNCap cells. The proliferation and apoptosis were detected by MTT assay, flow cytometry, and caspase-3 activity assay...
January 21, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28109113/-effect-of-sodium-phenylbutyrate-on-the-sensitivity-of-pc3-dtx-resistant-prostate-cancer-cells-to-docetaxel
#11
Ya-Wen Xu, Shao-Bo Zheng, Bin-Sheng Chen, Yong Wen, Shan-Wen Zhu
OBJECTIVE: To investigate the effect of sodium phenylbutyrate (SPB) in modulating docetaxel resistance in human prostate cancer cells in vitro. METHODS: A PC3/docetaxel-resistant human prostate cancer cell line PC3/DTX was induced and examined for proliferation, viability, and cell inhibition rate in the presence of SPB. The concentration of concentration of docetaxel required to kill 50% of PC3/DTX cells incubated with 0, 1, 2, and 4 mmol/L SPB was determined using MTT assay...
2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28109090/-three-dimensional-versus-two-dimensional-imaging-systems-in-laparoscopic-radical-prostatectomy-for-prostate-cancer-a-retrospective-cohort-study
#12
Kai-Qiang Tang, Shi-Yu Pang, Ji-Ming Bao, Cheng-Yong Lei, Wan-Long Tan
OBJECTIVE: To compare the perioperative, functional and oncologic outcomes of patients with prostate cancer receiving laparoscopic radical prostatectomy (LRP) using three-dimensional (3D) versus two-dimensional (2D) imaging systems. METHODS: From February, 2014 to January 2016, 72 consecutive patients with clinically localized prostate cancer underwent LRP with 2D or 3D imaging systems performed by a single experienced surgeon. The baseline characteristics, perioperative data, and functional and oncologic outcomes of the patients were collected and analyzed...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28108788/outpatient-application-of-formalin-for-chronic-rectal-bleeding-after-prostate-irradiation-a-quasi-experimental-study
#13
Gustavo Arruda Viani, Aline Sakamoto
PURPOSE: The aim of this quasi-experimental study is to evaluate a novel technique for an outpatient application of formalin for chronic rectal bleeding after prostate irradiation. METHODS: This is a quasi- experimental clinical trial developed between January 2010 and July 2015, including 35 patients with chronic radiation rectitis (CRP) due to a previous prostate radiation course. The study's eligibility was (1) completed external beam radiation therapy for prostate carcinoma >6 months previously, (2) rectal bleeding, defined as a frequency of >1× per week and/or needing of blood transfusions, and (3) diagnosis of chronic proctitis at colonoscopy...
January 20, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28108731/loss-of-endothelial-cell-specific-molecule-1-promotes-the-tumorigenicity-and-metastasis-of-prostate-cancer-cells-through-regulation-of-the-timp-1-mmp-9-expression
#14
Chien-Min Chen, Chu-Liang Lin, Hui-Ling Chiou, Shu-Ching Hsieh, Chia-Liang Lin, Chun-Wen Cheng, Chia-Hung Hung, Jen-Pi Tsai, Yi-Hsien Hsieh
The Endothelial cell specific molecule-1 (ESM1) protein has been involved in proliferation and metastatic progression in multiple tumors. However, there are no studies regarding the mechanism of ESM1 in prostate cancer. We found that ESM1 knockdown in prostate cancer cells resulted in increased cell proliferation and colony formation ability response evidenced by decreased expression of p21 and increased expression of cyclin D1 in prostate cancer cells. Moreover, we revealed that knockdown ESM1 also induced the epithelial-mesenchymal transition (EMT), motility and invasiveness in accordance with the upregulated the MMP-9 expression, while downregulated the TIMP-1 expression...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28108545/bombesin-antagonist-based-radiotherapy-of-prostate-cancer-combined-with-wst-11-vascular-targeted-photodynamic-therapy
#15
Kwanghee Kim, Hanwen Zhang, Stephen LaRosa, Sylvia Jebiwott, Pooja Desai, Simon Y Kimm, Avigdor J Scherz, Joseph A O'Donoghue, Wolfgang A Weber, Jonathan Coleman
PURPOSE: DOTA-AR, a bombesin-antagonist peptide, has potential clinical application for targeted imaging and therapy in Gastrin Releasing Peptide receptor (GRPr) positive malignancies when conjugated with a radioisotope such as 90Y. This therapeutic potential is limited by the fast washout of the conjugates from the target tumors. WST-11 (Weizmann STeba-11 drug; a negatively charged water-soluble palladium-bacteriochlorophyll derivative, Tookad® Soluble) Vascular targeted photodynamic therapy (VTP) is a local ablation approach recently approved for use in early stage prostate cancer...
January 20, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28108515/prostate-cancer-patients-with-late-radiation-toxicity-exhibit-reduced-expression-of-genes-involved-in-dna-double-strand-break-repair-and-homologous-recombination
#16
Bregje van Oorschot, Lon Uitterhoeve, Ilja Oomen, Rosemarie Ten Cate, Jan Paul Medema, Harry Vrieling, Lukas J A Stalpers, Perry D Moerland, Nicolaas A P Franken
Severe late damage to normal tissue is a major limitation of cancer radiotherapy in prostate cancer patients. In a recent retrospective study, late radiation toxicity was found to relate to a decreased decay of γ-H2AX foci and reduced induction of DNA double strand break repair genes. Here we report evidence of prognostic utility in prostate cancer for γ-H2AX foci decay ratios and gene expression profiles derived from ex vivo-irradiated patient lymphocytes. Patients were followed ≥2 years after radiotherapy...
January 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28108513/relb-expression-determines-the-differential-effects-of-ascorbic-acid-in-normal-and-cancer-cells
#17
Xiaowei Wei, Yong Xu, Fang Fang Xu, Luksana Chaiswing, David Schnell, Teresa Noel, Chi Wang, Jinfei Chen, Daret K St Clair, William H St Clair
Cancer cells typically experience higher oxidative stress than normal cells, such that elevating pro-oxidant levels can trigger cancer cell death. Although pre-exposure to mild oxidative agents will sensitize cancer cells to radiation, this pre-exposure may also activate the adaptive stress defense system in normal cells. Ascorbic acid (AA) is a prototype redox modulator that when infused intravenously appears to kill cancers without injury to normal tissues; however, the mechanisms involved remain elusive...
January 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28108510/bone-metastasis-of-prostate-cancer-can-be-therapeutically-targeted-at-the-tbx2-wnt-signaling-axis
#18
Srinivas Nandana, Manisha Tripathi, Peng Duan, Chia-Yi Chu, Rajeev Mishra, Chunyan Liu, Renjie Jin, Hironobu Yamashita, Majd Zayzafoon, Neil A Bhowmick, Haiyen E Zhau, Robert J Matusik, Leland W K Chung
Identification of factors that mediate visceral and bone metastatic spread and subsequent bone remodeling events is highly relevant to successful therapeutic intervention in advanced human prostate cancer (PCa). TBX2, a T-box family transcription factor that negatively regulates cell cycle inhibitor p21, plays critical roles during embryonic development, and recent studies have highlighted its role in cancer. Here we report that TBX2 is overexpressed in human PCa specimens and bone metastases from xenograft mouse models of human PCa...
January 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28108484/mri-scans-could-help-one-in-four-men-with-suspected-prostate-cancer-avoid-biopsy
#19
Susan Mayor
No abstract text is available yet for this article.
January 19, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28108457/rb1-and-tp53-loss-promotes-lineage-plasticity-in-prostate-cancer
#20
(no author information available yet)
Loss of RB1 and TP53 induces a neuroendocrine phenotype that confers resistance to antiandrogen therapy.
January 20, 2017: Cancer Discovery
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