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Prostate specific antigen, bph

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https://www.readbyqxmd.com/read/28527622/genome-wide-copy-number-analysis-reveals-candidate-gene-loci-that-confer-susceptibility-to-high-grade-prostate-cancer
#1
Prevathe Poniah, Shamsul Mohd Zain, Azad Hassan Abdul Razack, Shanggar Kuppusamy, Shankar Karuppayah, Hooi Sian Eng, Zahurin Mohamed
BACKGROUND: Two key issues in prostate cancer (PCa) that demand attention currently are the need for a more precise and minimally invasive screening test owing to the inaccuracy of prostate-specific antigen and differential diagnosis to distinguish advanced vs. indolent cancers. This continues to pose a tremendous challenge in diagnosis and prognosis of PCa and could potentially lead to overdiagnosis and overtreatment complications. Copy number variations (CNVs) in the human genome have been linked to various carcinomas including PCa...
May 17, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28495148/analysis-of-urinary-psa-glycosylation-is-not-indicative-of-high-risk-prostate-cancer
#2
Sílvia Barrabés, Esther Llop, Montserrat Ferrer-Batallé, Manel Ramírez, Rosa N Aleixandre, Antoinette S Perry, Rafael de Llorens, Rosa Peracaula
The levels of core fucosylation and α2,3-linked sialic acid in serum Prostate Specific Antigen (PSA), using the lectins Pholiota squarrosa lectin (PhoSL) and Sambucus nigra agglutinin (SNA), can discriminate between Benign Prostatic Hyperplasia (BPH) and indolent prostate cancer (PCa) from aggressive PCa. In the present work we evaluated whether these glycosylation determinants could also be altered in urinary PSA obtained after digital rectal examination (DRE) and could also be useful for diagnosis determinations...
May 8, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28479770/vitamin-d-deficiency-and-lower-urinary-tract-symptoms-in-males-above-50-years-of-age
#3
Mohamed Abdemonem Elshazly, Mohamed Farag Sultan, Hamdy Abdelmawla Aboutaleb, Shady Mohamed Salem, Mohamed Sayedahmed Aziz, Tarek Mohamed Abd Elbaky, Eid Abdelrasoul Elsherif, Maher Mohamed Gawish, Feras Tarek Alajrawi, Fahd Abdulla Algady Elgadi, Awad Husein Thaher, Mohamed Ahmed Shebl, Adel Mohamed Allam, Elija Kehinde
CONTEXT: Lower urinary tract symptoms (LUTSs) in elderly males are usually related to benign prostatic hyperplasia (BPH) in the majority of cases. It is estimated that BPH affects half of men above the age of 50 years. Recently, a relationship between Vitamin D deficiency and LUTS in elderly males has been reported. AIMS: The aim of this study was to analyze Vitamin D levels in males aged above 50 years presenting with LUTS. SETTINGS AND DESIGN: This is a prospective case-control study...
April 2017: Urology Annals
https://www.readbyqxmd.com/read/28476099/gamma-glutamyltransferase-activity-in-exosomes-as-a-potential-marker-for-prostate-cancer
#4
Kyojiro Kawakami, Yasunori Fujita, Yoko Matsuda, Tomio Arai, Kengo Horie, Koji Kameyama, Taku Kato, Koichi Masunaga, Yutaka Kasuya, Masashi Tanaka, Kosuke Mizutani, Takashi Deguchi, Masafumi Ito
BACKGROUND: Exosomes or extracellular vesicles have the potential as a diagnostic marker for various diseases including cancer. In order to identify novel exosomal markers for prostate cancer (PC), we performed proteomic analysis of exosomes isolated from PC cell lines and examined the usefulness of the marker in patients. METHODS: Exosomes isolated by differential centrifugation from the culture medium of androgen-dependent LNCaP prostate cancer cell line and its sublines of partially androgen-independent C4, androgen-independent C4-2 and bone metastatic C4-2B were subjected to iTRAQ-based proteomic analysis...
May 5, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28462670/transurethral-enucleation-with-bipolar-tueb-for-benign-prostatic-hyperplasia-two-year-outcomes-and-the-learning-curve-of-a-single-surgeon-s-experience-of-603-consecutive-patients
#5
Yosuke Hirasawa, Yuji Kato, Kiichiro Fujita
BACKGROUND: To investigate perioperative outcomes, the learning curve, and 2-year follow-up after transurethral enucleation with bipolar (TUEB) for patients with benign prostate hyperplasia (BPH). METHODS: From December 2011 to October 2016, 603 consecutive patients underwent TUEB for BPH, performed by a single surgeon. Patients were preoperatively assessed using the International Prostate Symptom Score (IPSS), quality of life score (QOLs), serum prostate specific antigen (PSA), and uroflowmetry evaluation...
May 2, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28430620/genetic-association-between-psa-158g-a-polymorphism-and-the-susceptibility-of-benign-prostatic-hyperplasia-a-meta-analysis
#6
REVIEW
Xin-Jun Su, Xian-Tao Zeng, Cheng Fang, Tong-Zu Liu, Xing-Huan Wang
Inconsistency between reported findings on the association of prostate specific antigen (PSA) gene -158G/A polymorphism with benign prostatic hyperplasia (BPH) susceptibility need a meta-analysis to obtain a more accurate conclusion. A systematic search was conducted in electronic databases for the collection of eligible studies on PSA -158G/A polymorphism and BPH susceptibility. Pooled odds ratios (ORs) and 95% confidence intervals (95% CIs) were then calculated. 7 case-control studies with 758 cases and 752 controls were included into the present meta-analysis...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420168/comparative-study-of-blood-based-biomarkers-%C3%AE-2-3-sialic-acid-psa-and-phi-for-high-risk-prostate-cancer-detection
#7
Montserrat Ferrer-Batallé, Esther Llop, Manel Ramírez, Rosa Núria Aleixandre, Marc Saez, Josep Comet, Rafael de Llorens, Rosa Peracaula
Prostate Specific Antigen (PSA) is the most commonly used serum marker for prostate cancer (PCa), although it is not specific and sensitive enough to allow the differential diagnosis of the more aggressive tumors. For that, new diagnostic methods are being developed, such as PCA-3, PSA isoforms that have resulted in the 4K score or the Prostate Health Index (PHI), and PSA glycoforms. In the present study, we have compared the PHI with our recently developed PSA glycoform assay, based on the determination of the α2,3-sialic acid percentage of serum PSA (% α2,3-SA), in a cohort of 79 patients, which include 50 PCa of different grades and 29 benign prostate hyperplasia (BPH) patients...
April 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28403597/a-retrospective-comparison-between-transrectal-and-transperineal-prostate-biopsy-in-the-detection-of-prostate-cancer
#8
Carmelo Agostino Di Franco, Hussein Jallous, Daniele Porru, Giovanni Luca Giliberto, Tiziano Cebrelli, Carmine Tinelli, Bruno Rovereto
BACKGROUND: The aim of this study was to analyze the differences between TRUSguided transrectal prostate biopsy (TR) and transperineal prostate biopsy (TP) in the diagnosis of prostate cancer. The two biopsy methods were evaluated in terms of diagnostic sensitivity and of early and late complications. METHODS: This retrospective study was realized through the review of clinical records of 219 men that received a prostate biopsy between 2004 and 2014. The biopsy was performed because of elevated prostate-specific antigen (PSA), abnormal digital rectal examination findings (DRE), abnormal transrectal ultrasound (TRUS) findings and symptoms due to prostate diseases...
March 31, 2017: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28403591/comparison-of-the-clinical-parameters-of-benign-prostate-hyperplasia-in-diabetic-and-non-diabetic-patients
#9
Levent Ozcan, Huseyin Besiroglu, Murat Dursun, Emre Can Polat, Alper Otunctemur, Emin Ozbek
OBJECTIVE: We evaluated the correlation between benign prostate hyperplasia (BPH) measures and diabetes mellitus in men with benign prostate hyperplasia in a prospective study. MATERIALS AND METHODS: Between 2008-2012, 100 diabetic and 200 non diabetic patients undergoing surgery due to benign prostate hyperplasia were enrolled in the study. The parameters evaluated for each patients included prostate volume, fasting blood glucose, HbA1c, total testosterone, total prostatic specific antigen (T-PSA), triglicerides, total cholesterol and body mass index (BMI)...
March 31, 2017: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28396511/a-database-augmented-exosome-based-mass-spectrometry-approach-exemplarily-identifies-circulating-claudin-3-as-biomarker-in-prostate-cancer
#10
Thomas Stefan Worst, Jost von Hardenberg, Julia Christina Gross, Philipp Erben, Martina Schnoelzer, Ingrid Hausser, Peter Bugert, Maurice Stephan Michel, Michael Boutros
In prostate cancer and other malignancies sensitive and robust biomarkers are lacking or have relevant limitations. Prostate specific antigen (PSA), the only biomarker widely used in prostate cancer, is suffering from low specificity. Exosomes offer new perspectives in the discovery of blood-based biomarkers. Here we present a proof-of principle study for a proteomics-based identification pipeline, implementing existing data sources, to exemplarily identify exosome-based biomarker candidates in prostate cancer...
April 9, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28383168/different-free-prostate-specific-antigen-to-total-prostate-specific-antigen-ratios-using-three-detecting-systems
#11
Hui-Qing Huang, Yan Zhang, Hua-Guo Xu
BACKGROUND: Prostate-specific antigen (PSA) is used as an indicative marker of a pathologic condition of the prostate, and the ratio of free PSA (fPSA) to total PSA (tPSA) helps to distinguish benign prostatic hyperplasia (BPH) from prostate cancer (PCa). In this study, we present some reversed ratios of fPSA to tPSA and analyze the possible mechanism. METHODS: Using the UniCel DxI800 Access Immunoassay System, eight reversed fPSA to tPSA ratios were obtained, and then these samples were retested with an Abbott Architect i2000 Immunoassay Analyser and Cobas e602...
April 6, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28362710/detection-of-loss-of-heterozygosity-loh-using-circulating-cell-free-dna-cfdna-by-fluorescence-based-multiplex-pcr-for-identification-of-patients-with-prostate-cancer
#12
S-Maryam Seyedolmohadessin, Mohammad T Akbari, Zahra Nourmohammadi, Abbas Basiri, Gholamreza Pourmand
Several lines of evidence suggest that loss of heterozygosity (LOH) in specific chromosomal regions is a common mechanism for the inactivation of tumor-suppressor genes that are implicated in the pathogenesis of prostate cancer (PCa). Short tandem repeat (STR) sequences are extremely reliable genetic markers for the detection of LOH associated with cancers. Hence, in the current study, we investigated the detection of LOH at 6 STR markers (D8S360, D9S1748, D9S171, D8S137, D6S1631, and THRB) using blood circulating cell-free DNA (cfDNA), which can be used to distinguish PCa from benign prostatic hyperplasia (BPH)...
March 30, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28360190/release-of-urinary-extracellular-vesicles-in-prostate-cancer-is-associated-with-altered-urinary-n-glycosylation-profile
#13
Tijl Vermassen, Katharina D'Herde, Dominique Jacobus, Charles Van Praet, Filip Poelaert, Nicolaas Lumen, Nico Callewaert, Karel Decaestecker, Geert Villeirs, Piet Hoebeke, Simon Van Belle, Sylvie Rottey, Joris Delanghe
AIM: Nowadays, extracellular vesicles are of great interest in prostate cancer (PCa) research. Asparagine (N)-linked glycosylation could play a significant role in the pathological mechanism of these vesicles. We investigated if prostatic protein N-glycosylation profiles were related to urinary vesicle-associated prostate-specific antigen (PSA) extractability and if this parameter showed diagnostic potential for PCa. METHODS: Urinary extracellular vesicles were visualised using transmission electron microscopy...
March 30, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28357104/clinical-significance-of-the-prostate-specific-antigen-doubling-time-prior-to-and-following-radical-prostatectomy-to-predict-the-outcome-of-prostate-cancer
#14
Hisashi Takeuchi, Makoto Ohori, Masaaki Tachibana
With the advent of serum prostate-specific antigen (PSA), a larger number of prostate cancers in the early phase have been successfully detected. Although decisions to perform prostate biopsies are routinely based on PSA levels, the PSA level is easily influenced by benign prostatic hyperplasia, with poor specificity. Therefore, the aim of the present study was to assess the clinical significance of prostate-specific antigen doubling time (PSADT) prior to and following radical prostatectomy. In total, 488 patients with T1c-3N0M0 prostate cancer who underwent radical prostatectomy were included...
February 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28332895/comorbidities-as-predictors-of-incidental-prostate-cancer-after-holmium-laser-enucleation-of-the-prostate-diabetes-and-high-risk-cancer
#15
Kazuhiro Ohwaki, Fumiyasu Endo, Masaki Shimbo, Akiko Fujisaki, Kazunori Hattori
Prostate cancer can be diagnosed as an incidental finding during the pathological examination of benign prostatic hyperplasia (BPH) specimens by Holmium laser enucleation of the prostate (HoLEP). BPH and comorbidities such as hypertension, diabetes, and dyslipidemia often coexist in elderly people. We identified which comorbidities can be used to predict the presence of incidental prostate cancer, particularly high-risk cancer, in men who had undergone HoLEP. On the basis of pathological findings of HoLEP specimens, patients with incidental cancer were categorized as low-risk (Gleason ≤6 and T1a) or high-risk (all others)...
March 23, 2017: Aging Male: the Official Journal of the International Society for the Study of the Aging Male
https://www.readbyqxmd.com/read/28327526/survivin-and-naip-in-human-benign-prostatic-hyperplasia-protective-role-of-the-association-of-serenoa-repens-lycopene-and-selenium-from-the-randomized-clinical-study
#16
Giuseppe Morgia, Antonio Micali, Mariagrazia Rinaldi, Natasha Irrera, Herbert Marini, Domenico Puzzolo, Antonina Pisani, Salvatore Privitera, Giorgio I Russo, Sebastiano Cimino, Antonio Ieni, Vincenzo Trichilo, Domenica Altavilla, Francesco Squadrito, Letteria Minutoli
Benign prostatic hyperplasia (BPH) treatment includes the apoptosis machinery modulation through the direct inhibition of caspase cascade. We previously demonstrated that Serenoa repens (Ser) with lycopene (Ly) and selenium (Se) reawakened apoptosis by reducing survivin and neuronal apoptosis inhibitory protein (NAIP) levels in rats. The aim of this study was to evaluate the effectiveness of Ser-Se-Ly association on survivin and NAIP expression in BPH patients. Ninety patients with lower urinary tract symptoms (LUTS) due to clinical BPH were included in this randomized, double-blind, placebo-controlled trial...
March 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28300542/elevated-insulin-and-reduced-insulin-like-growth-factor-binding-protein-3-prostate-specific-antigen-ratio-with-increase-in-prostate-size-in-benign-prostatic-hyperplasia
#17
Karli Sreenivasulu, Hanumanthappa Nandeesha, Lalgudi Narayanan Dorairajan, Medha Rajappa, Vickneshwaran Vinayagam
BACKGROUND: Insulin and insulin like growth factor-1 (IGF-1) have growth promoting effects, while insulin like growth factor binding protein-3 (IGFBP-3) has growth inhibitory effects. The present study was designed to assess the concentrations of insulin, IGF-1, IGFBP-3 and their association with prostate size in patients with BPH. METHODS: Ninety 90 BPH cases and 90 controls were enrolled in the study. Insulin, IGF-1, IGFBP-3, PSA, testosterone and estradiol were estimated in both the groups...
March 11, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28296726/the-establishment-and-evaluation-of-a-new-model-for-the-prediction-of-prostate-cancer
#18
Qi Wang, Yan-Feng Li, Jun Jiang, Yong Zhang, Xu-Dong Liu, Ke Li
To develop a new prostate cancer predictor (PCP) model using the combination of total prostate-specific antigen (tPSA), free PSA (fPSA), and complexed PSA (cPSA).The diagnoses of all the included patients were confirmed pathologically in Daping Hospital between December 1, 2011 and December 1, 2014. There were 54 PCa cases and 579 benign prostatic hyperplasia (BPH) cases with tPSA levels of 2 to 10 ng/mL, and 48 PCa cases and 147 BPH cases with tPSA levels of 10 to 20 ng/mL. Logistic regression and receiver operating characteristic curve (ROC) analyses were employed to compare the value of PCP (PCP = tPSA / fPSA × √cPSA) with tPSA, fPSA, the ratio of fPSA to tPSA (%fPSA), and cPSA for the differential diagnosis of PCa and BPH...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28284204/calcium-magnesium-imbalance-implicated-in-benign-prostatic-hyperplasia-and-restoration-by-a-phytotherapeutic-drug-croton-membranaceus-m%C3%A3-ll-arg
#19
George Awuku Asare, Robert A Ngala, Daniel Afriyie, Samuel Adjei, Adriana Nyarko, Yvonne Anang-Quartey, Bernice Asiedu, Derek Doku, Brodrick Y Amoah, Kennedy Bentum, Iddi Musah, Kensese Mossanda
BACKGROUND: Calcium (Ca)- magnesium (Mg) imbalance is implicated in prostate cancer. Ca/Mg ratio increases or decreases with proliferation or apoptosis, respectively. The study examined whether this Ca/Mg imbalance exists in BPH patients and the effect of a phytotherapeutic drug on the Ca/Mg ratio. METHODS: Thirty (30) BPH patients who used the ethanolic root extract of Croton membranaceus (60 mg/day) for 3 months were examined for serum Ca, Mg, phosphate, parathyroid hormone (PTH), vitamin D, prostate specific antigen (PSA) levels and renal function tests (RFT) before (BT) and after treatment (AT) alongside thirty (30) controls...
March 11, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28270948/neutrophil-gelatinase-associated-lipocalin-as-a-screening-test-in-prostate-cancer
#20
Necati Muşlu, Bahadır Ercan, Serin Akbayır, Şenay Balcı, H Didem Ovla, Murat Bozlu
OBJECTIVE: Prostate specific antigen (PSA) with digital rectal examination is used for diagnosis of prostate cancer (PCa), where definite diagnosis can only be made by prostate biopsy. Recently neutrophil gelatinase-associated lipocalin (NGAL), a lipocalin family member glycoprotein, come into prominence as a cancer biomarker. This study is aimed to test serum NGAL as a diagnostic biomarker for PCa and discriminate PCa from benign prostatic hyperplasia (BPH). MATERIAL AND METHODS: In this prospective study, 90 patients who underwent transrectal ultrasound-guided 12-core prostate biopsy between May 2015 and September 2015, were evaluated...
March 2017: Turkish Journal of Urology
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