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https://www.readbyqxmd.com/read/28210900/false-responses-of-renilla-luciferase-reporter-control-to-nuclear-receptor-tr4
#1
Dongyun Zhang, Sam S Atlasi, Krishna K Patel, Zihao Zhuang, Anthony P Heaney
Renilla luciferase reporter is a widely used internal control in dual luciferase reporter assay system, where its transcription is driven by a constitutively active promoter. However, the authenticity of the Renilla luciferase response in some experimental settings has recently been questioned. Testicular receptor 4 (TR4, also known as NR2C2) belongs to the subfamily 2 of nuclear receptors. TR4 binds to a direct repeat regulatory element in the promoter of a variety of target genes and plays a key role in tumorigenesis, lipoprotein regulation, and central nervous system development...
February 16, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28205418/pediatric-neuroendocrine-carcinoid-tumors-management-pathology-and-imaging-findings-in-a-pediatric-referral-center
#2
Andrew J Degnan, Shannon Tocchio, Waleed Kurtom, Sameh S Tadros
BACKGROUND: While neuroendocrine (carcinoid) tumors are increasingly recognized in the adult population, they are often not suspected in children. PROCEDURE: Retrospective review of all well-differentiated neuroendocrine (carcinoid) tumors was performed based on pathology reports from a quaternary pediatric medical center between January 2003 and June 2016. Clinical presentations, treatment approaches, imaging findings, and outcomes were reviewed and analyzed. RESULTS: A total of 45 cases of pathology-proven carcinoid tumor were reported with an average age of 14...
February 16, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28199193/epigenetic-and-risk-factors-of-testicular-germ-cell-tumors-a-brief-review
#3
Daniel Adrian Landero-Huerta, Rosa Maria Vigueras-Villasenor, Emiy Yokoyama-Rebollar, Elena Arechaga-Ocampo, Julio Cesar Rojas-Castaneda, Francisco Jimenez-Trejo, Margarita Chavez-Saldana
Testicular germ cell cancer (TGCT) is the most common malignancy among young adult males, which has become important due to its increased incidence and mortality in the population worldwide. The etiology is multifactorial. Recent studies have shown some associations between the development of isolated TGCT and certain risk factors, such as exposure to endocrine disruptors, cryptorchidism, and family history of cancer, in order to identify the key pieces in carcinogenesis. Some of the most important findings in recent years is the association of different genes, such as c-KIT/KITLG, expression of the miR-371-373 cluster and protein expression as c-KIT and POU5F1 in the development of this neoplasia, and the identification of new molecular markers as TGFBR3 gene, identifying aberrant methylation patterns in promoter regions of several genes, expression of miR-1297 which regulates PTEN and protein expression as DMTR1...
March 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28192608/testis-sparing-surgery-for-treatment-of-small-testicular-lesions-is-it-feasible-even-in-germ-cell-tumors
#4
Nebojsa Bojanic, Uros Bumbasirevic, Gordana Bojanic, Ivan Vukovic, Bogomir Milojevic, Tatjana Pekmezovic
BACKGROUND AND OBJECTIVES: To evaluate the results of testis-sparing surgery (TSS) in patients, with small testicular lesions and a normal contralateral testicle. METHODS: In all, 28 patients were treated with TSS for small testicular lesions and a normal contralateral testicle. TSS was considered in patients with testicular lesions smaller than 2 cm and no evidence of metastatic disease. RESULTS: The mean age of patients was 35.3 ± 7...
February 13, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28174375/-characteristics-of-adolescent-and-young-adult-cancer
#5
Keizo Horibe
In adolescent and young adult(AYA)population, cancer is the leading cause of death due to illness with the lowest mortality rate as well as children, and national measures for cancer was left behind. Leukemia, lymphomas, brain tumors, thyroid cancer, ovarian cancer, cervical cancer, breast cancer, testicular cancer and bone and soft tissue sarcomas account for majority of the cancers in this age group. There has been no significant improvement in AYA patients in contrast to other age groups. AYA patients with cancer are under growing independency, starting in life to the community, and reproductive age...
January 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28168071/two-case-reports-of-benign-testicular-mesothelioma-and-review-of-the-literature
#6
Cristobal Ramirez Sevilla, Carme Admella Salvador, Josep Feliu Canaleta, Juan Llopis Manzanera, Miguel Angel Barranco Sanz, Juan Antoni Romero Martin, Sergi Bernal Salguero
Mesothelioma is usually diagnosed in people over the age of 50 with large history of asbestos-related exposure. It is frequently located in pleural cavity, peritoneum, and pericardium. At the testicles the mesothelioma had been reported first in 1957 like a malignant non-germ-cells tumor. The objective is to present two case reports of benign testicular mesothelioma and review of the literature.
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/28156600/association-between-abdominal-adiposity-muscle-mass-and-metabolic-syndrome-in-survivors-of-testicular-germ-cell-cancer
#7
William Osai, Shi-Ming Tu, Lance C Pagliaro, Jeri Kim, Sai-Ching J Yeung
: 250 Background: Testicular germ cell tumor survivors (TGCTSs) contend with treatment side effects for decades after cure, and many have metabolic syndrome (MTS), a modifiable cardiometabolic risk factor. Because reliably predicting MTS could prompt interventionreducing risk, we analyzed clinical data and body composition in computed tomography (CT) scans to identify associations. METHODS: In a retrospective review of 196 TGCTSs treated at a single institution from 1970 to 2007, we collected patient (pt) demographics, clinical data, body fat composition measures, and evidence from CT scans from baseline through posttreatment...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28153774/patterns-of-care-and-survival-outcomes-for-adolescent-and-young-adult-patients-with-testicular-seminoma-in-the-united-states-a-national-cancer-database-analysis
#8
William Stokes, Arya Amini, Paul D Maroni, Elizabeth R Kessler, Claire Stokes, Carrye R Cost, Brian S Greffe, Timothy P Garrington, Arthur K Liu, Nicholas G Cost
INTRODUCTION: Testicular germ cell tumors (GCTs) are the most common solid tumor among adolescent and young adult (AYA) males. AYA patients with GCTs most typically have non-seminoma compared with seminoma, and accordingly there are fewer data reported on the AYA experience with testicular seminoma. OBJECTIVE: To evaluate national trends in postoperative treatment and overall survival (OS) outcomes in testicular seminoma by age group, specifically comparing AYAs with older adults...
January 17, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28147469/thymoma-and-synchronous-primary-mediastinal-seminomas-with-florid-follicular-lymphoid-hyperplasia-in-the-anterior-mediastinum-a-case-report-and-review-of-the-literature
#9
Hyang-Im Lee, In-Seok Jang, Kyung Nyeo Jeon, Gyung Hyuck Ko, Jong Sil Lee, Dong Chul Kim, Dae Hyun Song, Jeong-Hee Lee
Thymoma is the most common neoplasm of the anterior mediastinum and has malignant potential. Germ cell tumors (GCTs) found in the anterior mediastinum are usually benign, and malignant GCTs, such as seminomas, are rare. Histologically, mediastinal seminoma is indistinguishable from testicular seminoma except for site-associated morphological features such as lymphoid follicular hyperplasia. Therefore, excluding metastasis is very important. Recently, we treated a young adult patient with multiple thymic masses that occurred simultaneously...
February 2, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28138407/the-value-of-ultrasonography-in-the-diagnosis-of-varicocele
#10
REVIEW
Tomasz Lorenc, Leszek Krupniewski, Piotr Palczewski, Marek Gołębiowski
A varicocele is described as pathologically enlarged, tortuous veins of the pampiniform plexus, leading to an increased testicular temperature and adrenal metabolite reflux into the testes. Varicocele can impair spermatogenesis and is considered to be the most common cause of male infertility. Patients may palpate a thickening in the scrotum or complain of dull scrotal or inguinal pain, which increases when standing or during erection. In the case of a sudden onset of varicocele in elderly men, it is necessary to exclude renal tumor and extend diagnostic ultrasound with the assessment of the abdominal cavity...
December 2016: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28132046/peculiarities-of-catenin-activity-in-the-embryonal-testicular-carcinoma
#11
S Potapov, R Sidorenko, D Galata, N Stratiy, V Gargin
The aim of the research was to study immunohistochemical peculiarities of catenin activity in the embryonal testicular carcinoma. Material is presented by 39 cases of embryonal testicular carcinoma for the period from 1993 to 2013. Macroscopic and histological investigation has been performed according to the WHO classification (2004). Immunohistochemical examination with monoclonal antibodies to Ki-67, β-catenin and E-cadherin were performed. Embryonal carcinoma is presented 12.38% of all testicular germ cell tumors in our observations with median age of patients 30...
December 2016: Georgian Medical News
https://www.readbyqxmd.com/read/28130393/irradiation-affects-germ-and-somatic-cells-in-prepubertal-monkey-testis-xenografts
#12
I Tröndle, B Westernströer, J Wistuba, N Terwort, S Schlatt, N Neuhaus
STUDY QUESTION: Does irradiation evoke adverse effects in germ and somatic cells in testis xenografts from prepubertal monkeys? SUMMARY ANSWER: In addition to the expected depletion of germ cells, a dose-dependent effect of irradiation was observed at the mRNA and protein level in Sertoli and peritubular myoid cells. WHAT IS KNOWN ALREADY: Testicular irradiation studies in monkeys have focused on the dose-dependent effects on germ cells. Previous studies using intact animals or xenografts reported that germ cells are highly sensitive to irradiation...
January 27, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28124545/robot-assisted-laparoscopic-retroperitoneal-lymph-node-dissection-in-testicular-tumor
#13
Fabio C M Torricelli, Denis Jardim, Giuliano B Guglielmetti, Vipul Patel, Rafael F Coelho
INTRODUCTION AND OBJECTIVE: Retroperitoneal lymph node dissection (RPLND) is indicated for patients with non-seminomatous germ cell tumor (NSGCT) with residual disease after chemotherapy. Although the gold standard approach is still the open surgery, few cases of robot-assisted laparoscopic RPLND have been described. Herein, we aim to present the surgical technique for robot-assisted laparoscopic RPLND. PATIENT AND METHOD: A 30 year-old asymptomatic man presented with left testicular swelling for 2 months...
January 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28123743/brenner-tumor-of-the-testis-a-case-report-and-review-of-the-literature
#14
Jing Quan, Lu Jin, Jia Hu, Tao He, Xiang Pan, Yu Ding, Jian Peng, Zhebo Chen, Shangqi Yang, Xiangming Mao, Yongqing Lai
Brenner tumor is a rare type tumor, which mainly develops in the ovaries and rarely in the adnexal region and urinary system. To the best of our knowledge, only 5 cases of testicular Brenner tumor have been reported to date. In this report, we present the case of a 55-year-old patient who noted a swelling of the right scrotum for ~20 days. The clinical suspicion was an epididymal cyst. However, following surgical resection and subsequent pathological examination, the mass was diagnosed as a testicular Brenner tumor...
January 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28113097/the-immune-infiltrate-in-prostate-bladder-and-testicular-tumors-an-old-friend-for-new-challenges
#15
REVIEW
Cinzia Solinas, Nieves Martinez Chanzá, Ahmad Awada, Mario Scartozzi
In genito-urinary tumors immunotherapy has been administered for a long time: Calmette-Guèrin Bacillus as adjuvant treatment in high risk patients with non muscle invasive urothelial bladder cancer and interleukin-2 and interferon-α in metastatic kidney cancer. The vaccine Sipuleucel-T has been approved by United States Food and Drug Administration for the treatment of castration resistant prostate cancer patients with asymptomatic or minimally symptomatic disease, given the 22% reduction of mortality risk in this group...
February 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28111042/-immunotherapy-in-uropathology
#16
Virginie Verkarre, Hélène Roussel, Clémence Granier, Eric Tartour, Yves Allory
The algorithms for treatment of metastatic cancers are evolving due to positive results obtained with immunotherapy. Therapeutics approaches to stimulate the immune system have already been used in the treatment of kidney and bladder cancer, such as the administration of cytokines and BCG therapy, confirming the immunogenicity of these tumors. The aim of immunotherapies is not only to activate the immune system against tumor cells, but also to take into account the tumor-induced suppressive microenvironment, in particular by removing the anergy of T-cell lymphocytes, and by targeting the co-stimulation inhibitors molecules...
January 19, 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28104681/copy-number-variations-of-e2f1-a-new-genetic-risk-factor-for-testicular-cancer
#17
Maria Santa Rocca, Andrea Di Nisio, Arianna Marchiori, Marco Ghezzi, Giuseppe Opocher, Carlo Foresta, Alberto Ferlin
Testicular germ cell tumor (TGCT) is one of the most heritable forms of cancer. In last years many evidence suggested that constitutional genetic factors, mainly single nucleotide polymorphisms, can increase its risk. However, the possible contribution of copy-number variations (CNVs) in TGCT susceptibility has not been substantially addressed. Indeed, an increasing number of studies have focused on the effect of CNVs on gene expression and on the role of these structural genetic variations as risk factors for different forms of cancer...
January 19, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28097877/the-epigenetics-of-testicular-germ-cell-tumors-looking-for-novel-disease-biomarkers
#18
Ana Laura Costa, João Lobo, Carmen Jerónimo, Rui Henrique
Testicular germ cell tumors (TGCT) are a group of heterogeneous, biologically diverse and clinically challenging neoplasms. Despite the relatively low incidence and mortality rates, a subgroup of patients with disseminated disease relapse after conventional therapy and have a dismal prognosis. Moreover, TGCT afflict mostly young men and have therapeutic peculiarities, with some patients showing resistance to cisplatin-based treatments and others being troubled by irreversible side effects, such as infertility...
January 18, 2017: Epigenomics
https://www.readbyqxmd.com/read/28096358/repair-shielding-of-platinum-dna-lesions-in-testicular-germ-cell-tumors-by-high-mobility-group-box-protein-4-imparts-cisplatin-hypersensitivity
#19
Samuel G Awuah, Imogen A Riddell, Stephen J Lippard
Cisplatin is the most commonly used anticancer drug for the treatment of testicular germ cell tumors (TGCTs). The hypersensitivity of TGCTs to cisplatin is a subject of widespread interest. Here, we show that high-mobility group box protein 4 (HMGB4), a protein preferentially expressed in testes, uniquely blocks excision repair of cisplatin-DNA adducts, 1,2-intrastrand cross-links, to potentiate the sensitivity of TGCTs to cisplatin therapy. We used CRISPR/Cas9-mediated gene editing to knockout the HMGB4 gene in a testicular human embryonic carcinoma and examined cellular responses...
January 31, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28087892/editorial-comment-to-clinical-characteristics-of-testicular-germ-cell-tumors-in-patients-aged-50%C3%A2-years-and-older-a-large-scale-study-from-the-cancer-registration-committee-of-the-japanese-urological-association
#20
Takeshi Kishida
No abstract text is available yet for this article.
January 13, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
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