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https://www.readbyqxmd.com/read/27933606/relaxin-like-peptides-in-male-reproduction-a-human-perspective
#1
REVIEW
Richard Ivell, Alexander I Agoulnik, Ravinder Anand-Ivell
The relaxin family of peptide hormones and their cognate G-protein coupled receptors are becoming physiologically well characterized in the cardiovascular system and particularly in female reproductive processes. Much less is known about the physiology and pharmacology of these peptides in male reproduction, particularly as regards the human. H2-relaxin is involved in prostate function and growth, while INSL3 is a major product of the testicular Leydig cells and in the adult appears to modulate steroidogenesis and germ cell survival...
December 9, 2016: British Journal of Pharmacology
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/27929275/erectile-dysfunction
#4
Karl T Rew, Joel J Heidelbaugh
Erectile dysfunction (ED) is the inability to achieve or maintain an erection sufficient for satisfactory sexual performance. It is common, affecting at least 12 million U.S. men. The five-question International Index of Erectile Function allows rapid clinical assessment of ED. The condition can be caused by vascular, neurologic, psychological, and hormonal factors. Common conditions related to ED include diabetes mellitus, hypertension, hyperlipidemia, obesity, testosterone deficiency, and prostate cancer treatment...
November 15, 2016: American Family Physician
https://www.readbyqxmd.com/read/27927199/sh003-induces-apoptosis-of-du145-prostate-cancer-cells-by-inhibiting-erk-involved-pathway
#5
Yu-Jeong Choi, Youn Kyung Choi, Kang Min Lee, Sung-Gook Cho, Soo-Yeon Kang, Seong-Gyu Ko
BACKGROUND: Herbal medicines have been used in cancer treatment, with many exhibiting favorable side effect and toxicity profiles compared with conventional chemotherapeutic agents. SH003 is a novel extract from Astragalus membranaceus, Angelica gigas, and Trichosanthes Kirilowii Maximowicz combined at a 1:1:1 ratio that impairs the growth of breast cancer cells. This study investigates anti-cancer effects of SH003 in prostate cancer cells. METHODS: SH003 extract in 30% ethanol was used to treat the prostate cancer cell lines DU145, LNCaP, and PC-3...
December 7, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27926544/cognitive-impairment-following-hormone-therapy-current-opinion-of-research-in-breast-and-prostate-cancer-patients
#6
Lisa M Wu, Ali Amidi
PURPOSE OF REVIEW: Hormone therapy is a common cancer treatment that may be associated with numerous side and late effects, and in recent years, has been linked to changes in cognition. Here, we present the most important recent findings from empirical studies and reviews that have focused on the effects of hormone therapy on cognitive functioning in breast and prostate cancer populations, underline some general shortcomings, and propose directions for future research. RECENT FINDINGS: Recent research indicates that cognitive impairment may occur in breast and prostate cancer patients following onset of hormone therapy...
December 6, 2016: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/27926483/the-metastasis-suppressor-cd82-kai1-inhibits-fibronectin-adhesion-induced-epithelial-to-mesenchymal-transition-in-prostate-cancer-cells-by-repressing-the-associated-integrin-signaling
#7
Jaeseob Lee, Hee-Jung Byun, Moon-Sung Lee, Young-June Jin, Dooil Jeoung, Young-Myeong Kim, Hansoo Lee
The transmembrane protein CD82/KAI1 suppresses the metastatic potential of various cancer cell types. Moreover, decrease or loss of CD82 expression is closely associated with malignancy and poor prognosis in many human cancers including prostate cancer. Despite intense scrutiny, the mechanisms underlying the metastasis-suppressing role of CD82 are still not fully understood. Here, we found that a fibronectin matrix induced mesenchymal phenotypes in human prostate cancer cells with no or low CD82 expression levels...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27923833/an-essential-role-of-maspin-in-embryogenesis-and-tumor-suppression
#8
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/27923377/cross-cultural-adaptation-and-validation-of-the-french-version-of-the-expanded-prostate-cancer-index-composite-questionnaire-for-health-related-quality-of-life-in-prostate-cancer-patients
#9
Amélie Anota, Anne-Sophie Mariet, Philippe Maingon, Florence Joly, Jean-François Bosset, Anne-Valérie Guizard, Hugues Bittard, Michel Velten, Mariette Mercier
BACKGROUND: Health-related quality of life (HRQoL) has been positioned as one of the major endpoints in oncology. Thus, there is a need to validate cancer-site specific survey instruments. This study aimed to perform a transcultural adaptation of the 50-item Expanded Prostate cancer Index Composite (EPIC) questionnaire for HRQoL in prostate cancer patients and to validate the psychometric properties of the French-language version. METHODS: The EPIC questionnaire measures urinary, bowel, sexual and hormonal domains...
December 6, 2016: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/27922675/overexpression-of-sox18-promotes-prostate-cancer-progression-via-the-regulation-of-tcf1-c-myc-cyclin%C3%A2-d1-and-mmp-7
#10
Huaqi Yin, Zhengzuo Sheng, Xiaowei Zhang, Yiqing Du, Caipeng Qin, Huixin Liu, Yaojun Dun, Qi Wang, Chengyue Jin, Yanhui Zhao, Tao Xu
Sex determining region Y (SRY)-box 18 (SOX18) gene encodes transcription factors that have been recently confirmed to be overexpressed in various human types of cancer and maintain the malignant behavior of cancer cells. However, the role and its potential function in prostate cancer (PCa) has not been demonstrated and the mechanisms of SOX18 involved in tumor progression remain largely unclear. In the present study, the expression of SOX18 was analyzed in 98 PCa and 81 adjacent non-tumor tissues using immunohistochemistry...
December 2, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27922666/antimicrobial-peptide-ll-37-promotes-yb-1-expression-and-the-viability-migration-and-invasion-of-malignant-melanoma-cells
#11
Jinjing Jia, Yan Zheng, Wei Wang, Yongping Shao, Zhengxiao Li, Qiong Wang, Yuan Wang, Huling Yan
The cathelicidin antimicrobial peptide, LL-37, is a multifunctional peptide with a broad spectrum of antimicrobial activities, such as chemotaxis and neutralizing endotoxins. Previous studies have demonstrated that it LL‑37 serves a functional role in the development of numerous types of cancer including ovarian, breast, prostate and lung cancer. However, its role in the development of malignant melanoma (MM) remains unclear. To determine the role of LL‑37 and the potential interaction with Y-box binding protein 1 (YB‑1) in MM, RNA interference, western blot, reverse transcription-quantitative polymerase chain reaction, MTT and Transwell assays were performed...
December 2, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27922078/malat1-and-hotair-long-non-coding-rnas-play-opposite-role-in-estrogen-mediated-transcriptional-regulation-in-prostate-cancer-cells
#12
Aurora Aiello, Lorenza Bacci, Agnese Re, Cristian Ripoli, Francesco Pierconti, Francesco Pinto, Riccardo Masetti, Claudio Grassi, Carlo Gaetano, Pier Francesco Bassi, Alfredo Pontecorvi, Simona Nanni, Antonella Farsetti
In the complex network of nuclear hormone receptors, the long non-coding RNAs (lncRNAs) are emerging as critical determinants of hormone action. Here we investigated the involvement of selected cancer-associated lncRNAs in Estrogen Receptor (ER) signaling. Prior studies by Chromatin Immunoprecipitation (ChIP) Sequencing showed that in prostate cancer cells ERs form a complex with the endothelial nitric oxide synthase (eNOS) and that in turn these complexes associate with chromatin in an estrogen-dependent fashion...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27921232/biological-function-and-mechanism-of-mir-33a-in-prostate-cancer-survival-and-metastasis-via-downregulating-engrailed-2
#13
Q Li, S Lu, X Li, G Hou, L Yan, W Zhang, B Qiao
OBJECTIVE: Recent studies have identified Engrailed-2 (EN-2), a homeobox-containing transcription factor, as a candidate oncogene in prostate cancer (PC). Therapeutic targeting on EN-2, however, is limited because the mechanism underlying EN-2 overexpression in prostatic cancer cells is unknown. This study was to investigate the potential regulatory role of miR-33a on EN-2 expression and explore this signaling axis in ability of prostate cancer survival and metastasis. METHODS: The relative expression of miR-33a and EN-2 in paired prostate cancer tissue and adjacent normal tissue as well as in prostate cancer cell lines, PC3 and DU145, was determined using quantitative real-time PCR or western blot, respectively...
December 5, 2016: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/27920612/long-term-clinical-toxicity-of-radiation-therapy-in-prostate-cancer-patients-with-inflammatory-bowel-disease
#14
Matthew M Gestaut, Gregory P Swanson
AIM: The study's aim was to examine the clinical impact of radiation therapy (RT) on GI toxicity in Inflammatory Bowel Disease (IBD) patients. BACKGROUND: IBD has long been considered a risk factor for increased bowel toxicity from RT; however, minimal evidence exists on patients with prostate cancer (PC) and IBD. MATERIALS AND METHODS: The tumor registry was queried for patients with IBD and PC from the years 1990-2013. A retrospective review was conducted for patients who received RT...
January 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/27919668/magnetic-resonance-imaging-provides-added-value-to-the-prostate-cancer-prevention-trial-risk-calculator-for-patients-with-estimated-risk-of-high-grade-prostate-cancer-less-than-or-equal-to-10
#15
Eric H Kim, John K Weaver, Anup S Shetty, Joel M Vetter, Gerald L Andriole, Seth A Strope
OBJECTIVES: To determine the added value of prostate MRI to the Prostate Cancer Prevention Trial risk calculator. METHODS: Between January 2012 and December 2015, 339 patients underwent prostate MRI prior to biopsy at our institution. MRI was considered positive if there was at least one Prostate Imaging Reporting and Data System 4 or 5 MRI suspicious region. Logistic regression was used to develop two models: biopsy outcome as a function of the 1) Prostate Cancer Prevention Trial risk calculator alone, and 2) combined with MRI findings...
December 2, 2016: Urology
https://www.readbyqxmd.com/read/27916600/mapping-complex-traits-in-a-diversity-outbred-f1-mouse-population-identifies-germline-modifiers-of-metastasis-in-human-prostate-cancer
#16
Jean M Winter, Derek E Gildea, Jonathan P Andreas, Daniel M Gatti, Kendra A Williams, Minnkyong Lee, Ying Hu, Suiyuan Zhang, James C Mullikin, Tyra G Wolfsberg, Shannon K McDonnell, Zachary C Fogarty, Melissa C Larson, Amy J French, Daniel J Schaid, Stephen N Thibodeau, Gary A Churchill, Nigel P S Crawford
It is unclear how standing genetic variation affects the prognosis of prostate cancer patients. To provide one controlled answer to this problem, we crossed a dominant, penetrant mouse model of prostate cancer to Diversity Outbred mice, a collection of animals that carries over 40 million SNPs. Integration of disease phenotype and SNP variation data in 493 F1 males identified a metastasis modifier locus on Chromosome 8 (LOD = 8.42); further analysis identified the genes Rwdd4, Cenpu, and Casp3 as functional effectors of this locus...
November 25, 2016: Cell Systems
https://www.readbyqxmd.com/read/27913313/the-role-of-vitamin-d-and-vdr-in-carcinogenesis-through-epidemiology-and-basic-sciences
#17
REVIEW
Borja Bandera Merchan, Sonsoles Morcillo, Gracias Martin-Nuñez, Francisco José Tinahones, Manuel Macías-González
In the last two decades vitamin D (VD) research has demonstrated new extraskeletal actions of this pre-hormone, suggesting a protective role of this secosteroid in the onset, progression and prognosis of several chronic noncommunicable diseases, such as cardiovascular disease, diabetes mellitus or cancer. Regarding carcinogenesis, both preclinical and epidemiological evidence available show oncoprotective actions of VD and its receptor, the VDR. However, in late neoplastic stages the VD system (VDS) seems to be less functional, which appears to be due to an epigenetic silencing of the system...
November 29, 2016: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27911860/id4-regulates-transcriptional-activity-of-wild-type-and-mutant-p53-via-k373-acetylation
#18
Derrick J Morton, Divya Patel, Jugal Joshi, Aisha Hunt, Ashley E Knowell, Jaideep Chaudhary
Given that mutated p53 (50% of all human cancers) is over-expressed in many cancers, restoration of mutant p53 to its wild type biological function has been sought after as cancer therapy. The conformational flexibility has allowed to restore the normal biological function of mutant p53 by short peptides and small molecule compounds. Recently, studies have focused on physiological mechanisms such as acetylation of lysine residues to rescue the wild type activity of mutant p53. Using p53 null prostate cancer cell line we show that ID4 dependent acetylation promotes mutant p53 DNA-binding capabilities to its wild type consensus sequence, thus regulating p53-dependent target genes leading to subsequent cell cycle arrest and apoptosis...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27911711/diaphanous-related-formin-1-as-a-target-for-tumor-therapy
#19
REVIEW
Yuan-Na Lin, Sabine Windhorst
Formins nucleate actin and stabilize microtubules (MTs). Expression of the formin Diaphanous homolog 1 (DIAPH1) is increased in malignant colon carcinoma cells, while expression of DIAPH3 is up-regulated in breast and prostate carcinoma cells. Both DIAPH1 isoforms are required to stabilize interphase MTs of cancer cells, and it has been shown that loss of this function decreases the metastatic potential of these cells. Moreover, depletion of DIAPH3 increases the sensitivity of breast and prostate carcinoma cells to taxanes...
October 15, 2016: Biochemical Society Transactions
https://www.readbyqxmd.com/read/27908264/hypoxia-and-inflammation-in-prostate-cancer-progression-cross-talk-with-androgen-and-estrogen-receptors-and-cancer-stem-cells
#20
Matteo A Russo, Linda Ravenna, Laura Pellegrini, Elisa Petrangeli, Luisa Salvatori, Thea Magrone, Massimo Fini, Marco Tafani
Tumors are complex tissues in which transformed cells communicate with the surrounding microenvironment and evolve traits promoting their own survival and malignancy. Hypoxia and inflammation are constant characteristics of prostate tumor microenvironment influencing both cancer stem cells and differentiated tumor cells. HIFs and NF-kB are the key regulators of the transcriptional response to hypoxic and inflammatory stresses, respectively, and a crosstalk between HIFs and NF-kB pathways has been widely documented...
November 30, 2016: Endocrine, Metabolic & Immune Disorders Drug Targets
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