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https://www.readbyqxmd.com/read/29774821/minimally-invasive-retroperitoneal-lymphadenectomy
#1
Lukas Lusuardi, Thomas Kunit, Günter Janetschek
The feasibility of laparoscopic retroperitoneal lymphadenectomy (RLA) for testicular cancer was shown >25 years ago. Initially the indication was clinical stage I (CS I) nonseminomatous germ cell tumor (NSGCT). Compared with that of open surgery, the morbidity was much decreased. However, in Europe, surgery for CS I is now replaced by chemotherapy. A relatively new indication is laparoscopic retroperitonal lymphadenectomy for small unilateral residual tumor after chemotherapy. The technique of unilateral lymphadenectomy for both indications is described in detail and with a video...
May 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29773556/prdx1-and-mth1-cooperate-to-prevent-ros-mediated-inhibition-of-telomerase
#2
Wareed Ahmed, Joachim Lingner
Telomerase counteracts telomere shortening and cellular senescence in germ, stem, and cancer cells by adding repetitive DNA sequences to the ends of chromosomes. Telomeres are susceptible to damage by reactive oxygen species (ROS), but the consequences of oxidation of telomeres on telomere length and the mechanisms that protect from ROS-mediated telomere damage are not well understood. In particular, 8-oxoguanine nucleotides at 3' ends of telomeric substrates inhibit telomerase in vitro, whereas, at internal positions, they suppress G-quadruplex formation and were therefore proposed to promote telomerase activity...
May 17, 2018: Genes & Development
https://www.readbyqxmd.com/read/29765521/long-term-deficiency-of-vitamin-d-in-germ-cell-testicular-cancer-survivors
#3
Lucia Nappi, Margaret Ottaviano, Pasquale Rescigno, Ladan Fazli, Martin E Gleave, Vincenzo Damiano, Sabino De Placido, Giovannella Palmieri
Background: Cisplatin-based chemotherapy significantly improved the survival of patients with germ cell testicular cancer. However, long term side effects of chemotherapy have non-negligible impact on the quality of life of these young patients, who have a long life expectancy after being successfully treated. Materials and Methods: 25-OH vitamin D, testosterone, FSH and LH of patients with testicular cancer were retrospectively evaluated and for each patient clinical information were collected...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29765511/immunohistochemical-analysis-of-rhamm-expression-in-normal-and-neoplastic-human-tissues-a-cell-cycle-protein-with-distinctive-expression-in-mitotic-cells-and-testicular-germ-cells
#4
Yao-Tseng Chen, Zhengming Chen, Yi-Chieh Nancy Du
Expression of Receptor for Hyaluronic Acid Mediated Motility (RHAMM) increases cellular motility and RHAMM overexpression promotes invasive phenotype and metastasis of cancer cells. RHAMM has been suggested as a biomarker for poor prognosis in several tumor types, including lung, breast, colorectal, gastric, pancreatic ductal, and ovarian cancers. RNA studies showed restricted RHAMM expression in normal tissues, but its protein expression data in tissues were limited. In light of its potential as a prognostic marker and a therapeutic target, we performed immunohistochemical analysis to systematically characterize RHAMM expression in normal and neoplastic human tissues...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29763922/-testis-sparing-surgery-in-patients-with-germ-cell-cancer-indications-and-clinical-outcome
#5
David Pfister, Pia Paffenholz, Friederike Haidl
No abstract text is available yet for this article.
May 16, 2018: Oncology Research and Treatment
https://www.readbyqxmd.com/read/29761480/whole-exome-sequencing-identifies-plec-exo5-and-dnah7-as-novel-susceptibility-genes-in-testicular-cancer
#6
Beatriz Paumard-Hernández, Oriol Calvete, Lucia Inglada Pérez, Héctor Tejero, Fátima Al-Shahrour, Guillermo Pita, Alicia Barroso, Juan Carlos Triviño, Miguel Urioste, Claudia Valverde, Enrique González Billalabeitia, Vanesa Quiroga, Juan Francisco Rodríguez Moreno, Antonio Fernández Aramburo, Cristina López, Pablo Maroto, Javier Sastre, María José Juan Fita, Ignacio Duran, Isabel Lorenzo-Lorenzo, Patricia Iranzo, Xavier García Del Muro, Silverio Ros, Francisco Zambrana, Ana María Autran, Javier Benítez
Testicular germ cell tumors (TGCTs) are a clinically and pathologically heterogeneous disease, and little is known of its genetic basis. Only low susceptibility risk loci have been identified for both sporadic and familial cases. Therefore, we tried to identify new susceptibility genes responsible for familial testicular cancer that may contribute to increasing our knowledge about the genetic basis of the disease. Nineteen Spanish families with at least two affected individuals with TGCT were selected. WES was performed on those individuals using an Illumina Hiseq2000 sequencing platform...
May 15, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29757577/supposed-pituitary-production-of-human-chorionic-gonadotropin-induced-by-androgen-deprivation-therapy
#7
Koji Yoshimura, Yoshiharu Nakashima, Kyohei Sugiyama, Naoki Kohei, Akitoshi Takizawa
INTRODUCTION: The main cause of slightly elevated human chorionic gonadotropin (HCG) after successful treatment of male germ cell tumors is considered to be pituitary-derived HCG. It is well known that pituitary-derived HCG is frequently detected in postmenopausal women. We evaluated the status of serum HCG in men with elevated gonadotropins, which were induced by androgen deprivation therapy, using commercially available assays. MATERIALS AND METHODS: We enrolled 44 patients with prostate cancer, who underwent luteinizing-hormone releasing hormone agonist treatment...
April 30, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29755659/the-clinicopathological-significance-of-monocarboxylate-transporters-in-testicular-germ-cell-tumors
#8
Eduardo C A Silva, Flavio M Cárcano, Murilo Bonatelli, Maurício G Zaia, Filipa Morais-Santos, Fátima Baltazar, Luiz F Lopes, Cristovam Scapulatempo-Neto, Céline Pinheiro
Background: Metabolic reprogramming is one of the hallmarks of cancer. The hyperglycolytic phenotype is often associated with the overexpression of metabolism-associated proteins, such as monocarboxylate transporters (MCTs). MCTs are little explored in germ cell tumors (GCTs), thus, the opportunity to understand the relevance of these metabolic markers and their chaperone CD147 in this type of tumor arises. The main aim of this study was to evaluate the expression of MCT1, MCT2, MCT4 and CD147 in testicular GCT samples and the clinicopathological significance of these metabolism related proteins...
April 17, 2018: Oncotarget
https://www.readbyqxmd.com/read/29754945/decision-analysis-defining-optimal-management-of-clinical-stage-1-high-risk-nonseminomatous-germ-cell-testicular-cancer-with-lymphovascular-invasion
#9
Svetlana Avulova, Clayton Allen, Alicia Morgans, Kelvin A Moses
BACKGROUND: Risk of recurrent disease for men with clinical stage 1 high-risk nonseminomatous germ cell testicular cancer (CS1 NSGCT) with lymphovascular invasion (LVI) after orchiectomy is 50% and current treatment options (surveillance [S], retroperitoneal lymph node dissection [RPLND], or 1 cycle of BEP [BEP ×1]) are associated with a 99% disease specific survival, therefore practice patterns vary. We performed a decision analysis using updated data of long-term complications for men with CS1 NSGCT with LVI to quantify and assess relative treatment values...
May 10, 2018: Urologic Oncology
https://www.readbyqxmd.com/read/29749711/brachyury-oncogene-is-a-prognostic-factor-in-high-risk-testicular-germ-cell-tumors
#10
F Pinto, F M Cárcano, E C A da Silva, D O Vidal, C Scapulatempo-Neto, L F Lopes, R M Reis
The T-box transcription factor Brachyury has been considered a cancer-specific marker and a novel oncotarget in solid tumors. Brachyury overexpression has been described in various cancers, being associated with epithelial-mesenchymal transition, metastasis, and poor prognosis. However, its clinical association with testicular germ cell tumor is unknown. We analyzed the expression of Brachyury by immunohistochemistry in a series of well-characterized testicular germ cell tumor samples and at transcript level by in silico analysis...
May 10, 2018: Andrology
https://www.readbyqxmd.com/read/29739453/spontaneous-renal-hemorrhage-secondary-to-choriocarcinoma-in-a-man-with-congenital-hypospadias-and-cryptorchidism-a-case-report-and-literature-review
#11
Yi Li, Gang Chen, Han Chen, Shuang Wen, Chao-Yu Xiong, Zi-Yi Yang, Yun-Xiao Zhu, Nathan Jeffreys
BACKGROUND: Choriocarcinoma is a rare malignant germ-cell tumour, most commonly found in adult women. It infrequently presents as spontaneous renal haemorrhage (SRH). Genital malformation and SRH secondary to choriocarcinoma has previously been only reported in females. We present what we believe to be the first case of a male patient with genital malformation (hypospadias and cryptorchidism) and SRH at presentation of choriocarcinoma. CASE PRESENTATION: A 25-year-old man presented to the department with intense pain in the right flank region and lower back...
May 8, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29736376/a-rare-case-of-isolated-castrate-resistant-bilateral-testicular-metastases-in-advanced-prostate-cancer
#12
Jiarui Su, Edwin Jonathan Aslim, Hakan Aydin, Puay Hoon Tan, Henry Sun Sien Ho
Testicular metastasis is rare with the prostate being the most common site of primary cancer. We report a case of a 72-year-old man with castration-resistant prostate cancer (CRPC) and known metastases to bone and lymph nodes, who developed bilateral painful swollen testes 3 years after the initial diagnosis of prostate cancer. He had first presented with lower urinary tract symptoms (LUTS) with suspicious findings on digital rectal examination of the prostate, and an elevated serum prostate specific antigen (PSA) level of 129 ng/mL...
April 2018: Asian Journal of Urology
https://www.readbyqxmd.com/read/29733421/chemotherapeutic-drugs-alter-functional-properties-and-proteome-of-mouse-testicular-germ-cells-in-vitro
#13
Polash Chandra Karmakar, Yeon-Jin Cho, Yong-Hee Kim, Sang-Eun Jung, Ju-Hee Jin, Bang-Jin Kim, Woo-Sung Kwon, Young-Hyun Kim, Myung-Geol Pang, Buom-Yong Ryu
Many of the testicular cancer-survived patients, treated with chemotherapeutic drugs, show infertility, preimplantation and postimplantation loss, and germ cell abnormality. Studies examining the negative effects of chemotherapeutic drugs on testicular germ cells are ongoing; however, information on the stemness properties and proteomic profiles of these cells are lacking. The present study investigated the effects of chemotherapeutic drugs etoposide, cisplatin, bleomycin, and their combination (BEP) on the physiology and stem cell activity of mouse germ cells in vitro...
April 27, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29730572/establishment-of-a-human-embryonic-stem-cell-line-with-homozygous-tp53-r248w-mutant-by-talen-mediated-gene-editing
#14
An Xu, Ruoji Zhou, Jian Tu, Zijun Huo, Dandan Zhu, Donghui Wang, Julian A Gingold, Helen Mata, Pulivarthi H Rao, Mo Liu, Alaa M T Mohamed, Celine Shuet Lin Kong, Brittany E Jewell, Weiya Xia, Ruiying Zhao, Mien-Chie Hung, Dung-Fang Lee
Genetic mutations in TP53 contribute to multiple human cancers. Here we report the generation of a H1-p53(R248W/R248W) human embryonic stem cell line harboring a homozygous TP53 R248W mutation created by TALEN-mediated precise gene editing. The H1-p53(R248W/R248W) cell line maintains a normal karyotype, robust pluripotency gene expression, and the potential to differentiate to the three germ layers.
April 27, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29728822/robot-assisted-supine-extraperitoneal-retroperitoneal-lymph-node-dissection-a-novel-approach-for-template-dissection-in-post-chemotherapy-residual-mass-in-non-seminomatous-germ-cell-tumours
#15
Ginil Kumar Pooleri, Priyank Bijalwan, Rajesh Kesavan, Arun Philip, Pavithran Keechilat
Robot-assisted retroperitoneal lymph node dissection (RA-RPLND) in testicular cancer is conventionally performed through transperitoneal route. We report a case of robot-assisted supine extraperitoneal RPLND (RASE-RPLND), not previously described in the literature, which was performed for post-chemotherapy residual mass in a case of non-seminomatous germ cell tumour (NSGCT). RASE-RPLND apart from providing the benefits of robotic assistance has a significant advantage over transperitoneal approach, as the procedure can be performed in supine position without any bowel handling...
May 4, 2018: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/29722151/specifying-neural-crest-cells-from-chromatin-to-morphogens-and-factors-in-between
#16
REVIEW
Crystal D Rogers, Shuyi Nie
Neural crest (NC) cells are a stem-like multipotent population of progenitor cells that are present in vertebrate embryos, traveling to various regions in the developing organism. Known as the "fourth germ layer", these cells originate in the ectoderm between the neural plate (NP), which will become the brain and spinal cord, and nonneural tissues that will become the skin and the sensory organs. NC cells can differentiate into more than 30 different derivatives in response to the appropriate signals including, but not limited to, craniofacial bone and cartilage, sensory nerves and ganglia, pigment cells, and connective tissue...
May 3, 2018: Wiley Interdisciplinary Reviews. Developmental Biology
https://www.readbyqxmd.com/read/29721375/high-%C3%AE-1-4-galactosyltransferase-i-expression-in-peripheral-t-lymphocytes-is-associated-with-a-low-risk-of-relapse-in-germ-cell-cancer-patients-receiving-high-dose-chemotherapy-with-autologous-stem-cell-reinfusion
#17
Verena Nilius, Madeleine C Killer, Nina Timmesfeld, Melina Schmitt, Roland Moll, Anja Lorch, Jörg Beyer, Elisabeth Mack, Michael Lohoff, Andreas Burchert, Andreas Neubauer, Cornelia Brendel
Survival of patients with germ-cell cancer (GCC) and primary progression or relapse after cisplatin-based first-line chemotherapy is highly heterogeneous, ranging from close to zero to more than 70%. We investigated β-1,4-Galactosyltransferase-I ( B4GALT1 ) expression levels in peripheral lymphocytes in a cohort of 46 testicular cancer patients. B4GALT1 enhances immune cell crosstalk via glycosylation of surface molecules. A high expression level of B4GALT1 in T-lymphocytes, but not in monocytes, was associated with a lower risk of relapse with a hazard ratio (HR) of 0...
2018: Oncoimmunology
https://www.readbyqxmd.com/read/29716564/assessment-of-the-quality-of-patient-oriented-information-over-internet-on-testicular-cancer
#18
Anton S Prasanth, Umesh Jayarajah, Ranganathan Mohanappirian, Sanjeewa A Seneviratne
BACKGROUND: This study aimed to assess the quality and readability of patient education information available on the internet on testicular cancer. METHODS: Internet searches were performed using the keywords 'testicular cancer', 'testicular tumour', 'testicular tumor', 'testicular malignancy', 'germ cell tumour' and 'germ cell tumor' using Google, Yahoo! And Bing search engines with default settings. The first 50 web links appeared in each search engine were evaluated for their readability by using the validated Flesch Reading Ease Score (FRES) while accessibility, usability and reliability were assessed using the LIDA tool...
May 2, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29713910/employment-status-and-termination-among-survivors-of-pediatric-brain-tumors-a-cross-sectional-survey
#19
Iori Sato, Akiko Higuchi, Takaaki Yanagisawa, Shiho Murayama, Toshihiro Kumabe, Kazuhiko Sugiyama, Akitake Mukasa, Nobuhito Saito, Yutaka Sawamura, Mizuhiko Terasaki, Soichiro Shibui, Jun Takahashi, Ryo Nishikawa, Yasushi Ishida, Kiyoko Kamibeppu
BACKGROUND: Some childhood cancer survivors experience employment difficulties. This study aimed to describe pediatric brain-tumor survivors' employment status. METHODS: A cross-sectional, observational study was conducted, with questionnaires distributed to 101 pediatric brain-tumor survivors (aged 15 years or older) and their attending physicians from nine institutions in Japan. We compared category and time-series histories for participants' first-time employment using national census information...
April 30, 2018: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29708357/recent-trends-in-survival-of-testicular-cancer-patients-nation-wide-population-based-study
#20
Dalibor Ondrus, Martina Ondrusova, Martin Suchansky
INTRODUCTION AND AIM: Survival of germ cell testicular cancer (TC) patients is better than for other malignancies and has not yet been exactly studied in the Slovak Republic. The aim of the study, based on the analyses of epidemiological data over time, was to present 5-year survival trends for germ cell TC patients. PATIENTS AND METHODS: Survival is assessed within the framework of a nation-wide retroprospective study among TC patients newly diagnosed between 1993-2007 (divided to three 5-year periods according the time of diagnosis - 1993-1997, 1998-2002 and 2003-2007)...
2018: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
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