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https://www.readbyqxmd.com/read/29220296/carcinosarcomas-and-related-cancers-tumors-caught-in-the-act-of-epithelial-mesenchymal-transition
#1
Angela Pang, Mariana Carbini, Andre L Moreira, Robert G Maki
In this review, we outline the biology and management of patients with carcinosarcomas and related malignancies, which are often included under the broader concept of sarcomatoid carcinomas. Carcinosarcomas are unusual tumors that are commonly gynecologic in origin, where they are referred to as malignant mixed Müllerian tumors, but may appear in any anatomic site. Although a variety of hypotheses have been presented as to the biphasic nature of these tumors, carcinosarcomas seem to represent the best example in human cancers of the concept of epithelial-mesenchymal transition (EMT), in which the two parts of the tumor are genomically related to one another, as opposed to the mesenchymal component that represents a second neoplasm or (benign) reactive process...
December 8, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29207717/heterotopic-prostate-at-autopsy-an-unusual-mass-at-the-dome-of-the-urinary-bladder
#2
Shital Munde, Gwendolyn Fernandes, Priyanka Phadnis
Heterotopic prostate in the dome of the urinary bladder is extremely rare and difficult to diagnose. It is often mistaken for neoplastic masses and histopathological examination is warranted for diagnosis. We report an autopsy case of an ectopic prostate at the dome of the bladder which mimicked a neoplasm on gross pathology.
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29207681/histone-demethylase-jmjd2c-epigenetic-regulators-in-tumors
#3
REVIEW
Chengcheng Zhang, Zhongqi Wang, Qing Ji, Qi Li
Histone methylation is one of the major epigenetic modifications, and various histone methylases and demethylases participate in the epigenetic regulating. JMJD2C has been recently identified as one of the histone lysine demethylases. As one member of the Jumonji-C histone demethylase family, JMJD2C has the ability to demethylate tri- or di-methylated histone 3 and 2 in either K9 (lysine residue 9) or K36 (lysine residue 36) sites by an oxidative reaction, thereby affecting heterochromatin formation, genomic imprinting, X-chromosome inactivation, and transcriptional regulation of genes...
October 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/29206214/immunotherapy-for-prostate-cancer-where-we-are-headed
#4
REVIEW
Giuseppe Schepisi, Alberto Farolfi, Vincenza Conteduca, Filippo Martignano, Delia De Lisi, Giorgia Ravaglia, Lorena Rossi, Cecilia Menna, Salvatore Roberto Bellia, Domenico Barone, Roberta Gunelli, Ugo De Giorgi
Prostate cancer is one of the most common malignant neoplasms in men worldwide, and is the fifth cause of cancer-related death. In recent years, a new generation of therapies have been approved for the management of metastatic disease. Moreover, the development of new immunotherapeutic drugs has become a novel frontier for the treatment of several tumor types; to date, numerous studies have investigated their potential activity, including in prostate cancer. In this article, we discuss the role of emerging immunotherapeutic drugs in prostate cancer patients...
December 5, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29192747/-situational-diagnosis-of-cancer-care-at-the-instituto-mexicano-del-seguro-social
#5
Sonia Patricia de Santillana-Hernández, María Teresa García-Flores, Héctor Galván-Oseguera, Gilberto Pérez-Rodríguez, Héctor David Martínez-Chapaca
Cancer is a public health problem with an impact on Health Services in Mexico; it is also, one of the leading causes of mortality (mortality rate: 610.6 / 100 000) and is expected to double the total number of new cases by 2035 (GLOBOCAN). The most frequent neoplasms are the malignant tumor of breast, prostate, cervix and uterin, colorectal and pulmonary. The most affected groups are the female, and by age the 65 years and older (INEGI). At the IMSS, the mortality rate for malignant tumors has varied, with a sustained decline since 2010...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/29167690/synchronous-gists-associated-with-multiple-sporadic-tumors-a-case-report
#6
Danila Comandini, Azzurra Damiani, Alessandro Pastorino
Gastrointestinal stromal tumors (GISTs) are rare neoplasms, but they also represent the most common mesenchymal tumors of the gastrointestinal tract originating from the cell of Cajal. GIST incidence ranges around 1% of all gastrointestinal malignancies. Approximately 5% of all GISTs have a hereditary etiology. The remaining 95% of GISTs are considered sporadic events, with up to 75% of cases driven by a constitutional activation of the c-KIT proto-oncogene. GISTs are generally solitary lesions. Nonetheless, multiple sporadic GISTs can occur and present as synchronous or metachronous tumors, usually associated with familial GIST...
2017: Drugs in Context
https://www.readbyqxmd.com/read/29149895/novel-insights-into-chromosomal-conformations-in-cancer
#7
REVIEW
Ruobing Jia, Peiwei Chai, He Zhang, Xianqun Fan
Exploring gene function is critical for understanding the complexity of life. DNA sequences and the three-dimensional organization of chromatin (chromosomal interactions) are considered enigmatic factors underlying gene function, and interactions between two distant fragments can regulate transactivation activity via mediator proteins. Thus, a series of chromosome conformation capture techniques have been developed, including chromosome conformation capture (3C), circular chromosome conformation capture (4C), chromosome conformation capture carbon copy (5C), and high-resolution chromosome conformation capture (Hi-C)...
November 17, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/29145505/spontaneous-development-of-epstein-barr-virus-associated-human-lymphomas-in-a-prostate-cancer-xenograft-program
#8
Alberto J Taurozzi, Ramprakash Beekharry, Michelle Wantoch, Marie-Christine Labarthe, Hannah F Walker, Robert I Seed, Matthew Simms, Greta Rodrigues, James Bradford, Geertje van der Horst, Gabri van der Pluijm, Anne T Collins
Prostate cancer research is hampered by the lack of in vivo preclinical models that accurately reflect patient tumour biology and the clinical heterogeneity of human prostate cancer. To overcome these limitations we propagated and characterised a new collection of patient-derived prostate cancer xenografts. Tumour fragments from 147 unsupervised, surgical prostate samples were implanted subcutaneously into immunodeficient Rag2-/-γC-/- mice within 24 hours of surgery. Histologic and molecular characterisation of xenografts was compared with patient characteristics, including androgen-deprivation therapy, and exome sequencing...
2017: PloS One
https://www.readbyqxmd.com/read/29139652/liposarcoma-of-the-spermatic-cord-%C3%A2-a-rare-pathological-entity
#9
Nikola Radović, Arianna Bizatzki, Rajka Turner
Liposarcoma of the spermatic cord is a very rare neoplasm with fewer than 200 cases recorded in world literature. This report describes a case of liposarcoma of the spermatic cord which developed after radical prostatectomy and salvage radiotherapy for prostate cancer treatment. Four years following surgical treatment of the primary neoplasm and one year following radiotherapy, the 67 –year –old patient was referred to the urology clinic for the emergence of a mass in the right hemiscrotum region. Ultrasonography revealed a homogenous isodense mass measuring 4...
March 2017: Collegium Antropologicum
https://www.readbyqxmd.com/read/29135125/follicle-stimulating-hormone-receptors-a-new-immunohistochemical-marker-in-cancers
#10
Eduard-Alexandru Bonci, Alexandru Irimie, Rares Buiga, Ioan Cosmin Lisencu, Laura Iuliana Maja, Doina Piciu
PURPOSE: Follicle-stimulating hormone receptors (FSHR) have been reported in ovarian cancer and prostate cancer cells, but recent studies have highlighted their presence in the endothelium of blood vessels belonging to multiple neoplasias. Current research attempts to determine the role of FSHR in neoplastic proliferation and possible therapeutic or diagnostic implications. This paper aimed to analyze articles that have revealed the presence and/or role of FSHR in various neoplasms in humans...
September 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29109964/immunotherapy-as-a-promising-treatment-for-prostate-cancer-a-systematic-review
#11
REVIEW
Marlena Janiczek, Łukasz Szylberg, Anna Kasperska, Adam Kowalewski, Martyna Parol, Paulina Antosik, Barbara Radecka, Andrzej Marszałek
Prostate cancer treatment is currently based on surgical removal, radiotherapy, and hormone therapy. In recent years, another therapeutic method has emerged-immunological treatment. Immunotherapy modulates and strengthens one's immune responses against cancer. Neoplastic cells naturally escape from the control of the immune system, and the main goal of immune therapy is to bring the control back. Satisfying outcomes after treatment of advanced melanoma and lung cancer suggest a great potential of immunotherapy as an approach for other tumors' treatment, especially in patients primarily introduced to palliative care...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/29098385/incidental-appendectomy-during-robotic-laparoscopic-prostatectomy-safe-and-worth-to-perform
#12
C Hüttenbrink, G Hatiboglu, T Simpfendörfer, J P Radtke, R Becker, D Teber, B Hadaschik, S Pahernik, M Hohenfellner
PURPOSE: The purpose of this study is to investigate the safety and patients' benefit of incidental appendectomy during robot-assisted laparoscopic radical prostatectomy (RALRP). METHODS: Fifty-three patients, who had incidental appendectomy during RALRP between January 2012 and March 2014, were enrolled to this study. To evaluate the safety of the procedure, following parameters were evaluated: patient age, duration of surgery, perioperative complications (classified by Clavien-Dindo), time to bowel movement, and length of hospital stay...
November 2, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/29066912/identification-of-key-pathways-and-genes-with-aberrant-methylation-in-prostate-cancer-using-bioinformatics-analysis
#13
Anshika N Singh, Neeti Sharma
Prostate cancer (PCa), a multifocal clinically heterogeneous disease, is the most commonly diagnosed non-cutaneous neoplasm in men worldwide. The epigenome of PCa is a typical representation of catastrophic model of epigenetic alterations during tumorigenesis and its progression. Alterations in methylation patterns in tumor suppressors, cell cycle, oncogenes and metabolism-related genes are the most commonly observed epigenetic alterations in PCa. In this study, we have developed a computational strategy to identify methylated biomarker signature panels as potential targets of PCa by screening >160 genes reported to be epigenetically dysregulated, and shortlisted 26 differentially methylated genes (DMGs) that significantly contribute to oncogenesis...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29065794/prolonged-exposure-of-resveratrol-induces-reactive-superoxide-species-independent-apoptosis-in-murine-prostate-cells
#14
Sanjay Kumar, James Stokes, Udai P Singh, Karyn Scissum-Gunn, Rajesh Singh, Upender Manne, Manoj K Mishra
Nitric oxide, a signaling molecule, inhibits mitochondrial respiration by binding with cytochrome c oxidase, resulting in elevated production of reactive superoxide species (reactive oxygen and nitrogen) in the mitochondria and increased susceptibility to cell death. Generation of mitochondrial superoxide species can be suppressed by natural compounds such as resveratrol, a dietary polyphenol found in the skin of red fruits. In various cancer cells, resveratrol shows anti-oxidant and cancer preventive properties...
October 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29064650/the-demographic-features-clinical-outcomes-prognosis-and-treatment-options-for-patients-with-sarcomatoid-carcinoma-of-the-urinary-bladder-a-single-centre-experience
#15
Simon Paul Robinson, Assad Farooq, Marc Laniado, Hanif Motiwala
INTRODUCTION: Carcinosarcoma of the bladder is a very rare neoplasm. The pathogenesis of carcinosarcomas is not clearly understood and remains a subject of debate. Whilst there is some research conceptualizing the histopathological findings of bladder carcinosarcomas, the demographic features, clinical outcomes, prognosis and treatment options remain unclear. MATERIALS AND METHODS: We analyzed 12 consecutive cases of patients with sarcoma-toid bladder cancer who were treated surgically at a single Urology Department be-tween 1999 and 2015...
October 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29062555/synoptic-versus-narrative-reporting-of-prostate-biopsies-at-a-tertiary-healthcare-institution-challenges-successes-and-expectations
#16
Nnamdi O Orah, Charles C Anunobi, Rufus W Ojewola
OBJECTIVES: Cancer pathology reports are expected to contain all information required for patient management and disease surveillance. Moreover, reports for patients with prostate cancer have become increasingly complex with the addition of more pathological details. This study aimed to compare narrative and synoptic prostate cancer reports for core needle biopsies received at a tertiary hospital in Nigeria in order to determine which form was most complete according to international standards...
August 2017: Sultan Qaboos University Medical Journal
https://www.readbyqxmd.com/read/29050169/-consensus-of-chinese-experts-on-prostate-neoplasms-surgical-treatment
#17
(no author information available yet)
Prostate neoplasms is the second most common male cancer worldwide. In China, the incidence of prostate neoplasms has been rising rapidly over the past several years. Minimally Invasive Surgery Group of Chinese Anti Cancer Association Genitourinary Oncology Committee presents the Chinese experts consensus on prostate neoplasms surgical treatment based on the present situation of prostate cancer in China and the latest developments in the world.
October 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29019328/second-primary-tumors-associated-with-breast-cancer-kuwait-cancer-control-center-experience
#18
Salah Fayaz, Gerges Attia Demian, Heba El-Sayed Eissa, Sadeq Abuzalouf
OBJECTIVES: To review the clinico-epidemiologic characteristics of patients who presented with two or more primary cancers, one of which was breast cancer (BC) and to develop a follow-up program for the high risk patients. PATIENTS AND METHODS: Patients who were diagnosed with BC and one or more non breast cancer (NBC) were retrospectively reviewed. Medical files were retrieved and epidemiological as well as clinical data were analyzed. RESULTS: Sixty-two patients were retrieved...
September 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28992665/-clinical-study-of-bladder-tamponade-at-takeda-hospital
#19
Tomoyuki Oida, Norio Kawase
This retrospective study examined bladder tamponade in 58 patients (male, n=36 ; female, n=22 ; average age, 78.5 years old) at Takeda Hospital between 2006 and 2016. Twenty-four of the patients were prescribed anticoagulants, and 18 had an indwelling urethral catheter. The underlying diseases comprised of cystitis (male, n=7; female, n=19), iatrogenic lower urinary tract injury (male, n=13), bladder neoplasms (male, n=6 ; female, n=1), prostatic hemorrhage (male, n=7), renal cell carcinoma (male, n=1 ; female, n=1), and bladder stone (male, n=2 ; female, n=1)...
September 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28977093/urinary-en-2-to-predict-prostate-cancer-systematic-review-and-meta-analysis
#20
REVIEW
Maria Inês da Rosa, Eduardo Ronconi Dondossola, Maria Cecilia Manenti Alexandre, Kristian Madeira, Florentino de Araújo Cardoso, Antonio José Grande
INTRODUCTION: Prostate cancer is the second type of cancer diagnosed and the fifth cause of death in men worldwide. Early diagnosis helps to control disease progression. Currently, prostate specific antigen is the standard biomarker, as it has a broad scope of identification and, thus, new and more specific biomarkers must be studied. OBJECTIVE: To evaluate the accuracy of engrailed-2 protein (EN2) in urine as a prostate cancer biomarker. METHOD: A comprehensive search was conducted in the period from January 2005 to July 2016 using the following electronic databases: Medline (PubMed), Embase, Cochrane Library and Lilacs...
July 2017: Revista da Associação Médica Brasileira
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