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https://www.readbyqxmd.com/read/28737157/oral-neoplasms-in-pickhandle-barracuda-sphyraena-jello-from-india
#1
V Singaravel, A Gopalakrishnan, K Raja, R Vijayakumar, S Asrafuzzaman
We report the spontaneous occurrence of oral neoplasms in pickhandle barracuda Sphyraena jello Cuvier, 1829 from Parangipettai, on the southeast coast of India. A total of 11736 fish were examined, of which 43 were affected with oral tumours, with an overall prevalence of 0.37%. Gross and clinical symptoms included reddish to grayish-white distended tumourous growths on the gingiva, intra-oral bones and tongue. The tumours exhibited delayed eruption and intra- or extra-oral swelling, varied in consistency from extremely firm to fleshy and released mucinous material...
July 24, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28729185/-testicular-tumours-in-children-indications-for-testis-sparing-surgery
#2
Martha Isabel Romo Muñoz, Vanesa Núñez Cerezo, Mariela Dore Reyes, Alejandra Vilanova Sánchez, Pilar González-Peramato, Pedro López Pereira, María José Martínez Urrutia
INTRODUCTION AND OBJECTIVES: Although standard surgical treatment of a testicular tumour is orchiectomy, use can be made of testis-sparing surgery in selected cases, based on tumour markers, tumour size, and histopathological findings. Our objective is to become acquainted with the indications of testis-sparing surgery as a treatment for the incidental finding of a palpable and non-palpable testicular mass. MATERIAL AND METHODS: A retrospective study was conducted on 22 patients younger than 18 years diagnosed with a testicular tumour between 2000 and 2014...
July 17, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28712340/deep-sequencing-reveals-the-mitochondrial-dna-variation-landscapes-of-breast-to-brain-metastasis-blood-samples
#3
Rhiannon E McGeehan, Lewis A Cockram, D Timothy J Littlewood, Kathleen Keatley, Diana M Eccles, Qian An
Breast-to-brain metastasis (BBM) often represents a terminal event, due to the inability of many systemic treatments to cross the blood-brain barrier (BBB), rendering the brain a sanctuary site for tumour cells. Identifying genetic variations that can predict the patients who will develop BBM would allow targeting of adjuvant treatments to reduce risk while disease bulk is minimal. Germ-line genetic variations may contribute to whether a BBM forms by influencing the primary tumour subtype that presents, or by influencing the host response to the tumour or treatment regimen, or by facilitating transition of tumour cells across the BBB and establish a viable brain metastasis...
July 15, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/28676534/expression-patterns-of-henmt1-and-piwil1-in-human-testis-implications-for-transposon-expression
#4
Anna-Lena Hempfling, Shu Ly Lim, David Adelson, Jemma Evans, Anne E O'Connor, Zhipeng Qu, Sabine Kliesch, Wolfgang Weidner, M K O'Bryan, Martin Bergmann
This study aimed to define the expression patterns of HENMT1 and PIWI proteins in human testis and investigate their association with transposon expression, infertility sub-type or development of testicular germ cell tumours (TGCT). Testis biopsies showing normal spermatogenesis were used to identify normal localization patterns of HENMT1 and PIWIL1 by immunolocalisation and RT-PCR after laser microdissection. 222 testis biopsies representing normal spermatogenesis, hypospermatogenesis, spermatogenic arrests, Sertoli cell-only (SCO) and testicular germ cell tumours (TGCT) were analysed by RT-qPCR for expression of HENMT1/PIWIL1/PIWIL2/PIWIL3/PIWIL4 and LINE-1...
July 4, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28676130/skeletal-muscle-derived-interstitial-progenitor-cells-pics-display-stem-cell-properties-being-clonogenic-self-renewing-and-multi-potent-in-vitro-and-in-vivo
#5
Beverley J Cottle, Fiona C Lewis, Victoria Shone, Georgina M Ellison-Hughes
BACKGROUND: The development of cellular therapies to treat muscle wastage with disease or age is paramount. Resident muscle satellite cells are not currently regarded as a viable cell source due to their limited migration and growth capability ex vivo. This study investigated the potential of muscle-derived PW1(+)/Pax7(-) interstitial progenitor cells (PICs) as a source of tissue-specific stem/progenitor cells with stem cell properties and multipotency. METHODS: Sca-1(+)/PW1(+) PICs were identified on tissue sections from hind limb muscle of 21-day-old mice, isolated by magnetic-activated cell sorting (MACS) technology and their phenotype and characteristics assessed over time in culture...
July 4, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28658778/pure-primary-extragonadal-retroperitoneal-yolk-sac-tumour-in-a-young-child-a-case-report
#6
Vineeth G Nair, H S Kiran, P R Shanthala
Germ Cell Tumours (GCTs) in children are uncommon, constituting approximately only 3% of all malignancies in children younger than 15 years of age. Primary extragonadal GCTs constitute only 1-5% of all GCTs and a retroperitoneal site is seen only in 4% of all extragonadal GCTs. Extragonadal GCTs arise from local transformation of primordial germ cells which have been misplaced during the migration of these cells through the midline dorsal mesentery in the fourth-sixth week of embryogenesis. GCTs in children show remarkable variability in age, site, presentation and histology...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28651004/a-human-endogenous-retrovirus-derived-gene-that-can-contribute-to-oncogenesis-by-activating-the-erk-pathway-and-inducing-migration-and-invasion
#7
Cécile Lemaître, Jhen Tsang, Caroline Bireau, Thierry Heidmann, Marie Dewannieux
Endogenous retroviruses are cellular genes of retroviral origin captured by their host during the course of evolution and represent around 8% of the human genome. Although most are defective and transcriptionally silenced, some are still able to generate retroviral-like particles and proteins. Among these, the HERV-K(HML2) family is remarkable since its members have amplified relatively recently and many of them still have full length coding genes. Furthermore, they are induced in cancers, especially in melanoma, breast cancer and germ cell tumours, where viral particles, as well as the envelope protein (Env), can be detected...
June 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28630245/internal-carotid-artery-occlusion-and-stroke-as-a-complication-of-cisplatin-based-chemotherapy-for-metastatic-testicular-germ-cell-tumour
#8
Roberto Christian Cerrud-Rodriguez, Maria Gabriela Quinteros, Mohammed Azam
Testicular tumours are the most common tumours in young men. Germ cell tumours (GCTs) account for 95% of all testicular cancers, and the non-seminomatous type (NSGCT) accounts for 50% of all GCTs. Cisplatin-based chemotherapy is curative in up to 90% of patients, but it is not without its inherent risks. Ischaemic stroke is a very uncommon, but severe complication of cisplatin-based chemotherapy. Strokes in young patients cause a disproportionately large economic impact by leaving victims disabled during their most productive years and strains the healthcare system with expensive hospital stays...
June 18, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28619976/vesical-dermoid-a-rare-bladder-tumour
#9
Ashok Kumar Sokhal, Bhupendra Pal Singh, Sunny Goel, Durgesh Kumar Saini
Dermoid cysts are benign developmental lesions consisting of tissues of more than one germ cell lineage origin. The urinary bladder is a very rare location of dermoid cysts. We report a case of an 18-year-old woman who presented with suprapubic pain, dysuria and turbid urine. Blood and serum chemistry was normal. Contrast-enhanced CT revealed a heterogeneously enhancing mass of 2.5×2 cm within the urinary bladder infiltrating fundus of urinary bladder with extraluminal extension. At cystoscopy, an irregular mass arising from the dome of the urinary bladder with a covering of hair and whitish scales was seen...
June 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28600436/accurate-quantification-of-chromosomal-lesions-via-short-tandem-repeat-analysis-using-minimal-amounts-of-dna
#10
Johann-Christoph Jann, Daniel Nowak, Florian Nolte, Stephanie Fey, Verena Nowak, Julia Obländer, Jovita Pressler, Iris Palme, Christina Xanthopoulos, Alice Fabarius, Uwe Platzbecker, Aristoteles Giagounidis, Katharina Götze, Anne Letsch, Detlef Haase, Richard Schlenk, Gesine Bug, Michael Lübbert, Arnold Ganser, Ulrich Germing, Claudia Haferlach, Wolf-Karsten Hofmann, Maximilian Mossner
BACKGROUND: Cytogenetic aberrations such as deletion of chromosome 5q (del(5q)) represent key elements in routine clinical diagnostics of haematological malignancies. Currently established methods such as metaphase cytogenetics, FISH or array-based approaches have limitations due to their dependency on viable cells, high costs or semi-quantitative nature. Importantly, they cannot be used on low abundance DNA. We therefore aimed to establish a robust and quantitative technique that overcomes these shortcomings...
June 9, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28596199/mediastinal-seminoma-presenting-with-superior-vena-cava-syndrome
#11
Amanda Wanous, Ian R McPhail, J Fernando Quevedo, Nicole P Sandhu
We present a rare cause of superior vena cava syndrome (SVC) in a previously healthy male aged 31 years. Malignancy was suspected due to unintentional weight loss and childhood exposure to radioactive fallout from a nuclear facility accident. A very large anterior mediastinal mass was identified and demonstrated to be an extragonadal seminoma. Extragonadal germ cell tumours are rare tumours with a high potential for cardiovascular, pulmonary and vascular sequelae. Studies have documented an increased risk of developing seminoma in patients with radioactive exposure...
June 8, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28586780/serum-levels-of-microrna371a-3p-a-highly-sensitive-tool-for-diagnosing-and-staging-testicular-germ-cell-tumours-a-clinical-case-series
#12
Petra Anheuser, Arlo Radtke, Christian Wülfing, Jennifer Kranz, Gazanfer Belge, Klaus-Peter Dieckmann
INTRODUCTION: MicroRNA (miR)371a-3p was suggested to be a sensitive and specific new serum biomarker of germ cell tumours (GCTs); however, its clinical usefulness remains unproven. PATIENTS, METHODS: In 312 consecutive cases with various testicular diseases, serum levels of miR371a-3p were measured. Measurement results became available only after completion of treatment. Five patients with testicular seminoma were selected for review because of unanticipated clinical courses...
June 7, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28581469/administration-of-high-dose-chemotherapy-with-stem-cell-support-in-patients-40-years-of-age-or-older-with-advanced-germ-cell-tumours-a-retrospective-study-from-the-european-society-for-blood-and-marrow-transplantation-database
#13
A Necchi, S Lo Vullo, G Rosti, M Badoglio, P Giannatempo, D Raggi, S Secondino, L Mariani, F Lanza, P Pedrazzoli
No abstract text is available yet for this article.
June 5, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28580303/the-role-of-bromodomain-testis-specific-factor-brdt-in-cancer-a-biomarker-and-a-possible-therapeutic-target
#14
REVIEW
Ekaterina Bourova-Flin, Florent Chuffart, Sophie Rousseaux, Saadi Khochbin
Cancer cells have recently been shown to activate hundreds of normally silent tissue-restricted genes, including a specific subset associated with cancer progression and poor prognosis. Within these genes, a class of testis-specific genes designed as cancer/testis, attracted special attention because of their oncogenic roles as well as their potential use in immunotherapy. Here we focus on one of these genes encoding the testis-specific member of the bromodomain and extra-terminal (BET) family, known as BRDT...
2017: Cell Journal
https://www.readbyqxmd.com/read/28573637/clinical-significance-of-androgen-secretion-disorders-in-men-with-a-malignancy
#15
REVIEW
Pawel J Wiechno, Grazyna M Poniatowska, Wojciech Michalski, Jakub Kucharz, Malgorzata Sadowska, Joanna Jonska-Gmyrek, Karol Nietupski, Joanna Rzymowska, Tomasz Demkow
Cancer and its treatment can lead in men to testosterone deficiency, accompanied by somatic and mental symptoms. Germ cell tumours and their treatment may disturb the pituitary-gonadal axis, hence leading to significant clinical abnormalities. In some prostate cancer patients, castration, temporary or permanent, is a desired therapeutic condition. Yet, it is burdened with various side effects of complex intensity and significance. Last but not least, patients in the terminal stage of a malignancy present with low testosterone concentrations as a part of anorexia-cachexia syndrome...
July 2017: Medical Oncology
https://www.readbyqxmd.com/read/28572843/malignant-struma-ovarii-in-a-30-year-old-nulliparous-patient
#16
J Colin Boyd, Blair A Williams, Matthew H Rigby, Katharina Kieser, Saul Offman, Hemlata Shirsat, Jonathan R B Trites, S Mark Taylor, Robert D Hart
BACKGROUND: Struma ovarii is a rare monodermal germ cell tumor where the ovary is comprised of at least half thyroid tissue. This phenomenon may indicate an embryological origin. CASE PRESENTATION: A 30-year old nulliparous woman presented with acute right lower quadrant pain and underwent laparoscopic right salpingo-oophorectomy. The excised ovarian mass showed evidence of struma-derived papillary thyroid carcinoma. Ultrasound of the thyroid showed mild enlargement with two solid nodules...
2017: Thyroid Research
https://www.readbyqxmd.com/read/28571142/clinicopathological-evaluation-of-223-cases-of-mature-cystic-teratoma-ovary-25-year-experience-in-a-single-tertiary-care-centre-in-india
#17
Ruchi Rathore, Sonal Sharma, Deepshikha Arora
INTRODUCTION: Mature Cystic Teratoma (MCT) is the most common benign neoplasm of the ovary constituting 10-20% of all the ovarian tumours. Although, much has been published about ovarian teratomas, in English literature, there are very few retrospective cross sectional studies from India to understand the epidemiology of the disease. AIM: To evaluate the prevalence, clinicopathological characteristics and complications of MCT of the ovary. MATERIALS AND METHODS: This was a retrospective study of 223 cases of MCT of ovary received over a period of 25 years from 1990 to 2014...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28544640/an-in%C3%A2-vitro-model-demonstrates-the-potential-of-neoplastic-human-germ-cells-to-influence-the-tumour-microenvironment
#18
B Klein, H-C Schuppe, M Bergmann, M P Hedger, B E Loveland, K L Loveland
Testicular germ cell tumours (TGCT) typically contain high numbers of infiltrating immune cells, yet the functional nature and consequences of interactions between GCNIS (germ cell neoplasia in situ) or seminoma cells and immune cells remain unknown. A co-culture model using the seminoma-derived TCam-2 cell line and peripheral blood mononuclear cells (PBMC, n = 7 healthy donors) was established to investigate how tumour and immune cells each contribute to the cytokine microenvironment associated with TGCT...
May 23, 2017: Andrology
https://www.readbyqxmd.com/read/28538229/treatment-outcome-in-patients-with-primary-central-nervous-system-germ-cell-tumour-clinical-experience-from-a-regional-cancer-centre-in-north-india
#19
Ahitagni Biswas, Pramod Kumar Julka, Sameer Bakhshi, Manmohan Singh, Goura Kishor Rath
BACKGROUND: Primary intracranial germ cell tumour is a rare entity and constitutes 2-3% of all paediatric brain tumours in Western countries. We herein intend to report the clinical features and treatment outcome of patients with primary central nervous system germ cell tumour treated at our institute. METHODS: Clinical data were collected by retrospective chart review from 2006 to 2012. Histopathology slides were reviewed and relevant immunohistochemistry stains were done...
May 25, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28536927/involvement-of-the-dna-mismatch-repair-system-in-cisplatin-sensitivity-of-testicular-germ-cell-tumours
#20
Christiane Rudolph, Cecilie Melau, John E Nielsen, Kristina Vile Jensen, Dekang Liu, Javier Pena-Diaz, Ewa Rajpert-De Meyts, Lene Juel Rasmussen, Anne Jørgensen
BACKGROUND: Testicular germ cell tumours (TGCT) are highly sensitive to cisplatin-based chemotherapy, but patients with tumours containing differentiated teratoma components are less responsive to this treatment. The cisplatin sensitivity in TGCT has previously been linked to the embryonic phenotype in the majority of tumours, although the underlying mechanism largely remains to be elucidated. The aim of this study was to investigate the role of the DNA mismatch repair (MMR) system in the cisplatin sensitivity of TGCT...
May 23, 2017: Cellular Oncology (Dordrecht)
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