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https://www.readbyqxmd.com/read/27933281/pet-imaging-of-urokinase-type-plasminogen-activator-receptor-upar-in-prostate-cancer-current-status-and-future-perspectives
#1
REVIEW
Dorthe Skovgaard, Morten Persson, Andreas Kjaer
Overexpression of urokinase-type plasminogen activator receptors (uPAR) represents an important biomarker for aggressiveness in most common malignant diseases, including prostate cancer (PC). Accordingly, uPAR expression either assessed directly in malignant PC tissue or assessed directly in plasma (intact/cleaved forms)-provides independent additional clinical information to that contributed by PSA, Gleason score, and other relevant pathological and clinical parameters. In this respect, non-invasive molecular imaging by positron emission tomography (PET) offers a very attractive technology platform, which can provide the required quantitative information on the uPAR expression profile, without the need for invasive procedures and the risk of missing the target due to tumor heterogeneity...
2016: Clinical and Translational Imaging: Reviews in Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27932164/retzius-space-preservation-technique-for-robotic-assisted-laparoscopic-radical-prostatectomy-in-a-kidney-transplant-patient-first-case-in-thailand-and-our-first-experience
#2
P Jenjitranant, P Sangkum, P Sirisreetreerux, W Viseshsindh, S Patcharatrakul, W Kongcharoensombat
OBJECTIVE: The aim of this work was to report our experience in robotic-assisted laparoscopic radical prostatectomy for the treatment of localized prostate cancer in a kidney transplant recipient. METHODS: A 73-year-old man with chronic renal failure underwent living-donor kidney transplantation (KT) in 1993. His baseline creatinine after KT was ∼1.2 mg/dL. He developed lower urinary tract symptoms in 1999. He was diagnosed with benign prostatic hyperplasia and treated accordingly...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27931022/hydrogen-sulfide-and-t-type-ca2-channels-in-pain-processing-neuronal-differentiation-and-neuroendocrine-secretion
#3
Kazuki Fukami, Fumiko Sekiguchi, Atsufumi Kawabata
BACKGROUND: Hydrogen sulfide (H2S), a gasotransmitter, is generated from L-cysteine by mainly 3 enzymes, cystathionine-γ-lyase (CSE), cystathionine-β-synthase, and 3-mercaptopyruvate sulfurtransferase in cooperation with cysteine aminotransferase. The H2S-forming enzymes, particularly CSE, are overexpressed under the pathological conditions such as inflammation, neuronal or neuroendocrine differentiation and cancer development. Given that Cav3.2 T-type Ca2+ channels mediate some of the biological activity of H2S, we focus on the role of the H2S/Cav3...
December 9, 2016: Pharmacology
https://www.readbyqxmd.com/read/27924509/inhibitory-effect-of-diosgenin-on-experimentally-induced-benign-prostatic-hyperplasia-in-rats
#4
Jing Chen, Huai-Fen Zhang, Chao-Mei Xiong, Jin-Lan Ruan
This study investigated the effect of diosgenin, a natural sapogenin possessing various pharmacological activities, on benign prostatic hyperplasia (BPH) in rats and the possible mechanisms. BPH was established in the castrated rats by subcutaneous injection of testosterone propionate. Animals were randomly divided into four groups (n=10 each): model group (0.5% sodium carboxymethyl cellulose); positive control group (3 mg/kg finasteride); two diosgenin groups (50 and 100 mg/kg). The drugs were intragastricaly given in each group for consecutive 3 weeks...
December 2016: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/27923833/an-essential-role-of-maspin-in-embryogenesis-and-tumor-suppression
#5
Sijana H Dzinic, M Margarida Bernardo, Xiaohua Li, Rodrigo Fernandez-Valdivia, Ye-Shih Ho, Qing-Sheng Mi, Sudeshna Bandyopadhyay, Fulvio Lonardo, Semir Vranic, Daniel Oliveira, R Daniel Bonfil, Gregory Dyson, Kang Chen, Almasa Omerovic, Xiujie Sheng, Xiang Han, Dinghong Wu, Xinling Bi, Dzenana Cabaravdic, Una Jakupovic, Marian Wahba, Aaron Pang, Deanna Harajli, Wael Sakr, Shijie Sheng
Maspin (SerpinB5) is an epithelial-specific tumor suppressor gene product that displays context-dependent cellular functions. Maspin-deficient mouse models created to date have not definitively established maspin functions critical for cancer suppression. In this study, we generated a mouse strain in which exon 4 of the Maspin gene was deleted, confirming its essential role in development but also enabling a breeding scheme to bypass embryonic lethality. Phenotypic characterization of this viable strain established that maspin deficiency was associated with a reduction in maximum body weight and a variety of context-dependent epithelial abnormalities...
December 6, 2016: Cancer Research
https://www.readbyqxmd.com/read/27922627/blood-based-and-urinary-prostate-cancer-biomarkers-a-review-and-comparison-of-novel-biomarkers-for-detection-and-treatment-decisions
#6
REVIEW
R J Hendriks, I M van Oort, J A Schalken
BACKGROUND: The diagnosis of prostate cancer (PCa) is currently based on serum PSA testing and/or abnormal digital rectal examination and histopathologic evaluation of prostate biopsies. The main drawback of PSA testing is the lack of specificity for PCa. To improve early detection of PCa more specific biomarkers are needed. In the past few years, many new promising biomarkers have been identified; however, to date, only a few have reached clinical practice. METHODS: In this review, we discuss new blood-based and urinary biomarker models that are promising for usage in PCa detection, follow-up and treatment decision-making...
December 6, 2016: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/27921275/preoperative-characteristics-of-the-p-r-o-s-t-a-t-e-scores-a-novel-predictive-tool-for-the-risk-of-positive-surgical-margin-after-radical-prostatectomy
#7
Ben Xu, Cheng Luo, Qian Zhang, Jie Jin
OBJECTIVES: To propose a novel scoring system to predict the risk of positive surgical margin (PSM) after radical prostatectomy (RP) in prostate cancer (PCa) patients. MATERIALS AND METHODS: Eight reproducible variables available from preoperative characteristics of PCa patients were measured: PSA level (P), ratio of positive biopsy needles (R), obesity (O), scores of Gleason (S), T stage by preoperative MRI scan (T), age (A), tumor volume (T) and experience of the surgeon (E)...
December 5, 2016: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/27921102/infrared-spectral-histopathology-using-haematoxylin-and-eosin-h-e-stained-glass-slides-a-major-step-forward-towards-clinical-translation
#8
Michael J Pilling, Alex Henderson, Jonathan H Shanks, Michael D Brown, Noel W Clarke, Peter Gardner
Infrared spectral histopathology has shown great promise as an important diagnostic tool, with the potential to complement current pathological methods. While promising, clinical translation has been hindered by the impracticalities of using infrared transmissive substrates which are both fragile and prohibitively very expensive. Recently, glass has been proposed as a potential replacement which, although largely opaque in the infrared, allows unrestricted access to the high wavenumber region (2500-3800 cm(-1))...
December 6, 2016: Analyst
https://www.readbyqxmd.com/read/27919653/transperineal-biopsies-of-mri-detected-aggressive-index-lesions-in-low-%C3%A2-and-intermediate-risk-prostate-cancer-patients-implications-for-treatment-decision
#9
A Gomez-Iturriaga, F Casquero, J I Lopez, A Urresola, A Ezquerro, D Buscher, P Bilbao, J Crook
PURPOSE: Multiparametric MRI (mpMRI) has a potential role for the identification of aggressive cancer that can be targeted for biopsy. We report the incidence and severity of discordant information between the pathology found on the transrectal ultrasound (TRUS)-guided biopsy and the mpMRI findings in patients with favorable or intermediate-risk prostate cancer referred for brachytherapy. METHODS AND MATERIALS: From March 2014 to September 2015, 10/44 consecutive patients with low- or intermediate-risk prostate cancer referred for brachytherapy presented an aggressive lesion on mpMRI and underwent an MRI-TRUS fusion-guided transperineal biopsy of the index lesion...
December 2, 2016: Brachytherapy
https://www.readbyqxmd.com/read/27914715/prostate-cancer-in-young-adults-seventeen-year-clinical-experience-of-a-single-center
#10
Tzu-Hao Huang, Junne-Yih Kuo, Yi-Hsiu Huang, Hsiao-Jen Chung, William J S Huang, Howard H H Wu, Yen-Hwa Chang, Alex T L Lin, Kuang-Kuo Chen
BACKGROUND: In the general population, prostate adenocarcinoma affects predominately older men. If fact, most current guidelines suggest that males over the age of 50 years should undergo prostate cancer screening. However, the clinical behavior and prognosis of prostate cancer in young adults is not well defined. The aim of this study was to evaluate the clinical behavior, pathological characteristics, and prognosis of prostate cancer in young adults. METHODS: We retrospectively reviewed the records of young patients (age, ≤50 years) in our hospital with prostate adenocarcinoma between 1997 and 2013...
November 30, 2016: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/27910728/predictive-factors-associated-with-biochemical-recurrence-following-radical-prostatectomy-for-pathological-t2-prostate-cancer-with-negative-surgical-margins
#11
Fouad Aoun, Simone Albisinni, Benjamin Henriet, Bertrand Tombal, Roland Van Velthoven, Thierry Roumeguère
OBJECTIVE: The aim of this study was to determine factors associated with the development of biochemical recurrence (BCR) following radical prostatectomy in patients with pathological T2 prostate cancer and negative surgical margins. MATERIALS AND METHODS: This retrospective multicentre cohort study included 1252 consecutive patients with pT2 pN0/Nx and negative surgical margins on radical prostatectomy and without any adjuvant treatment, performed in three Belgian centres...
December 2, 2016: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/27909617/diagnostic-value-of-micrornas-in-prostate-cancer-patients-with-prostate-specific-antigen-psa-levels-between-2-and-10-ng-ml
#12
Serin Akbayır, Necati Muşlu, Sema Erden, Murat Bozlu
OBJECTIVE: Prostate specific antigen (PSA), used for the early diagnosis of prostate cancer (PCa), is one of the best tumour markers known so far. However, in situations when PSA is between 2-10 ng/mL, which is named as grey zone, PSA falls short of distinguishing benign prostate diseases from PCa. On the other hand, it was demonstrated in many previous studies that microRNA (miRNA) could be a marker for cancer. Therefore, in this study, it was aimed to enhance the diagnostic power of PSA, especially with grey zone patients, by the use of miRNA...
December 2016: Turkish Journal of Urology
https://www.readbyqxmd.com/read/27906997/role-of-genetic-polymorphisms-in-the-development-and-prognosis-of-sporadic-and-familial-prostate-cancer
#13
Sabrina T Reis, Nayara I Viana, Katia R M Leite, Erico Diogenes, Alberto A Antunes, Alexandre Iscaife, Adriano J Nesrallah, Carlo C Passerotti, Victor Srougi, José Pontes-Junior, Mary Ellen Salles, William C Nahas, Miguel Srougi
BACKGROUNDS: Our aim was to evaluate the role of 20 genetic polymorphisms in the development and prognosis of sporadic and familial PC. A case-control study of 185 patients who underwent radical prostatectomy from 1997 to 2011. These patients were divided into two groups based on their family history. Gleason grade, PSA value and pathological TNM 2002 stage were used as prognostic factors. Blood samples from 70 men without PC were used as controls. The SNPs were genotyped using a TaqMan® SNP Genotyping Assay Kit...
2016: PloS One
https://www.readbyqxmd.com/read/27906778/the-role-of-prostatic-inflammation-in-the-development-and-progression-of-benign-and-malignant-diseases
#14
Giorgio Gandaglia, Emanuele Zaffuto, Nicola Fossati, Vito Cucchiara, Vincenzo Mirone, Francesco Montorsi, Alberto Briganti
PURPOSE OF REVIEW: To evaluate the role of prostatic inflammation in the development and progression of benign and malignant prostatic diseases. RECENT FINDINGS: Preclinical studies demonstrate that the activation of a chronic inflammatory prostatic response plays an important role in the pathogenesis and progression of benign prostatic hyperplasia (BPH) and prostate cancer (PCa). Approximately 40-70% of patients with BPH-related lower urinary tract symptoms harbour chronic inflammation at pathologic evaluation...
November 30, 2016: Current Opinion in Urology
https://www.readbyqxmd.com/read/27902483/androgen-receptor-phosphorylation-status-at-serine-578-predicts-poor-outcome-in-prostate-cancer-patients
#15
Patek Sc, Willder Jm, Heng Js, Taylor B, Horgan Pg, Leung Hy, Underwood Ma, Edwards J
PURPOSE: Prostate cancer growth is dependent upon androgen receptor (AR) activation, regulated via phosphorylation. Protein kinase C (PKC) is one kinase that can mediate AR phosphorylation. This study aimed to establish if AR phosphorylation by PKC is of prognostic significance. METHODS: Immunohistochemistry for AR, AR phosphorylated at Ser-81 (pARS81), AR phosphorylated at Ser-578 (pARS578), PKC and phosphorylated PKC (pPKC) was performed on 90 hormone-naïve prostate cancer specimens...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27900519/early-dynamic-imaging-in-68-ga-psma-11-pet-ct-allows-discrimination-of-urinary-bladder-activity-and-prostate-cancer-lesions
#16
Christian Uprimny, Alexander Stephan Kroiss, Clemens Decristoforo, Josef Fritz, Boris Warwitz, Lorenza Scarpa, Llanos Geraldo Roig, Dorota Kendler, Elisabeth von Guggenberg, Jasmin Bektic, Wolfgang Horninger, Irene Johanna Virgolini
PURPOSE: PET/CT with (68)Ga-labelled prostate-specific membrane antigen (PSMA)-ligands has been proven to establish a promising imaging modality in the work-up of prostate cancer (PC) patients with biochemical relapse. Despite a high overall detection rate, the visualisation of local recurrence may be hampered by high physiologic tracer accumulation in the urinary bladder on whole body imaging, usually starting 60 min after injection. This study sought to verify whether early dynamic (68)Ga-PSMA-11 (HBED-CC)PET/CT can differentiate pathologic PC-related tracer uptake from physiologic tracer accumulation in the urinary bladder...
November 29, 2016: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27900227/urachal-cyst-causing-small-bowel-obstruction-in-an-adult-with-a-virgin-abdomen
#17
Michael P O'Leary, Zane W Ashman, David S Plurad, Dennis Y Kim
Introduction. A patent urachus is a rare congenital or acquired pathology, which can lead to complications later in life. We describe a case of urachal cystitis as the etiology of small bowel obstruction in an adult without prior intra-abdominal surgery. Case Report. A 64-year-old male presented to the acute care surgery team with a 5-day history of right lower quadrant abdominal pain, distention, nausea, and vomiting. He had a two-month history of urinary retention and his past medical history was significant for benign prostate hyperplasia...
2016: Case Reports in Surgery
https://www.readbyqxmd.com/read/27896639/seom-clinical-guideline-for-bone-metastases-from-solid-tumours-2016
#18
C Grávalos, C Rodríguez, A Sabino, M Á Seguí, J A Virizuela, A Carmona, J Cassinello, D Isla, C Jara, M Martín
Bone metastases are common in many advanced solid tumours, being breast, prostate, thyroid, lung, and renal cancer the most prevalent. Bone metastases can produce skeletal-related events (SREs), defined as pathological fracture, spinal cord compression, need of bone irradiation or need of bone surgery, and hypercalcaemia. Patients with bone metastases experience pain, functional impairment and have a negative impact on their quality of life. Several imaging techniques are available for diagnosis of this disease...
December 2016: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/27896239/prostate-specific-antigen-density-and-gleason-score-predict-adverse-pathologic-features-in-patients-with-clinically-localized-prostate-cancer
#19
Mohammad Reza Nowroozi, Seyed Ali Momeni, Solmaz Ohadian Moghadam, Elnaz Ayati, Afshin Mortazavi, Simin Arfae, Hassan Jamshidian, Mohsen Taherimahmoudi, Mohsen Ayati
BACKGROUND: According to recent studies, prostate cancer is the second most common cancer among Iranian men. Radical prostatectomy has been considered the gold standard treatment in patients with clinically localized prostate cancer. Gleason score, PSA density, and PSA velocity are some of the parameters used to predict adverse pathologic features. OBJECTIVES: The aim of this study was to evaluate the prognostic value of PSA density and Gleason score in predicting adverse pathologic features in patients with localized prostate cancer who undergo radical prostatectomy...
November 2016: Nephro-urology Monthly
https://www.readbyqxmd.com/read/27894974/ccp-score-might-improve-the-current-risk-assessment-in-newly-diagnosed-prostate-cancer-patients
#20
Marco Oderda, Gabriele Cozzi, Lorenzo Daniele, Anna Sapino, Stefania Munegato, Giuseppe Renne, Ottavio De Cobelli, Paolo Gontero
OBJECTIVE: To assess whether cell-cycle progression (CCP)-score (Prolaris) can improve the current risk assessment in newly diagnosed PCa patients. CCP-score is a well validated prognostic assay predictive of PCa death, biochemical recurrence (BCR) and progression. METHODS: We evaluated CCP-score at biopsy in 52 patients newly diagnosed with PCa who underwent radical prostatectomy. CCP-score was calculated as average RNA expression of 31 CCP genes, normalized to 15 housekeeping genes...
November 25, 2016: Urology
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