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https://www.readbyqxmd.com/read/29343880/novel-application-of-loop-mediated-isothermal-amplification-for-rapid-detection-of-gene-translocation
#1
Ibu Matsuzaki, Hideto Iguchi, Yurina Mikasa, Hiromu Morishita, Katsuya Okuda, Keita Nakaguchi, Yuki Mori, Yoshifumi Iwahashi, Kenji Warigaya, Masakazu Fujimoto, Fumiyoshi Kojima, Shin-Ichi Murata
Identification of fusion genes in cancer is essential for pathological diagnosis and clinical therapy. Although methods for detection of fusion genes, such as fluorescence in situ hybridization (FISH) and real-time polymerase chain reaction (PCR), have been developed in last two decades, these methods are not ideal for detection of these genetic alterations owing to their high cost and time-consuming procedures. In this study, we developed novel application for detection of gene translocations using loop-mediated isothermal amplification (LAMP)...
December 26, 2017: Acta Histochemica et Cytochemica
https://www.readbyqxmd.com/read/29342436/iris-melanoma-outcomes-based-on-the-american-joint-committee-on-cancer-classification-eighth-edition-in-432-patients
#2
Carol L Shields, Maura Di Nicola, Vladislav P Bekerman, Swathi Kaliki, Carolina Alarcon, Enzo Fulco, Jerry A Shields
PURPOSE: The American Joint Committee on Cancer (AJCC) classification was updated to the eighth edition in January 2017, providing staging for iris melanoma. This study evaluated outcomes of iris melanoma per the AJCC classification, eighth edition. DESIGN: Retrospective case series. PARTICIPANTS: Four hundred thirty-two patients with iris melanoma. METHODS: Management including tumor resection, plaque radiotherapy, or enucleation...
January 13, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29340020/eya2-promotes-lung-cancer-cell-proliferation-by-downregulating-the-expression-of-pten
#3
Zhaoming Li, Ran Qiu, Xia Qiu, Tian Tian
Lung cancer is the leading cause of cancer-related death worldwide. Despite advances have been made in diagnosis and therapeutic strategies, the prognosis of lung cancer is still very poor. Eyes absent transcriptional cofactor EYA2 has been shown to promote lung cancer cell growth, however, the underlying molecular mechanism is still not fully understood. In the present study, we found that EYA2 was up-regulated in lung cancer, and EYA2 led to increased cell proliferation by inhibiting Phosphatase and tensin homologue (PTEN) expression via modulation of miR-93...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339227/a-novel-biphenolic-ligand-for-selective-mg2-and-zn2-ions-sensing-followed-by-colorimetric-spectroscopic-and-cell-imaging-methods
#4
Palanisamy Uma Maheswari, Duraisamy Renuga, H L Jeeva Kumari, Kandasamy Ruckmani
The (E)-2-((2-hydrohy-5-methylphenylimino) methyl) phenol ligand was synthesized. The receptor was characterized by IR, 1H and 13C NMR and CHN analysis. The ligand exhibits colorimetric and fluorometric sensing of Zn2+ and Mg2+ ions in semi-aqueous medium (DMSO-H2O). The receptor was tested with series of transition metal ions (Cr2+, Fe2+, Ni2+, Co2+, Cu2+, Zn2+) and heavy metal ions (Sn2+, Pd2+, Ce2+, Hg2+, Cd2+) and the essential human body elements like Ca2+, Mg2+, Na+ and K+ ions. The naked eye colorimetric sensing was absorbed only for Zn2+ and Mg2+...
January 12, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29329710/hydride-generation-coupled-with-thioglycolic-acid-coated-gold-nanoparticles-as-simple-and-sensitive-headspace-colorimetric-assay-for-visual-detection-of-sb-iii
#5
Tesfaye Tolessa, Zhi-Qiang Tan, Jing-Fu Liu
Antimony (Sb) is a toxic element which causes different health problems including cardiac problems and lung cancer in humans, and its levels in surface water can be noticeably increased to 100 μg/L typically in the proximity of anthropogenic sources. Thus, besides instrumental techniques, it is of great significance to develop a simple, sensitive and selective analytical method for direct analysis of Sb(III) at trace level without the need of any expensive and/or complicated instrumentations and sample preparation processes...
April 3, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29327717/combined-mutation-and-copy-number-variation-detection-by-targeted-next-generation-sequencing-in-uveal-melanoma
#6
Kyra N Smit, Natasha M van Poppelen, Jolanda Vaarwater, Robert Verdijk, Ronald van Marion, Helen Kalirai, Sarah E Coupland, Sophie Thornton, Neil Farquhar, Hendrikus-Jan Dubbink, Dion Paridaens, Annelies de Klein, Emine Kiliç
Uveal melanoma is a highly aggressive cancer of the eye, in which nearly 50% of the patients die from metastasis. It is the most common type of primary eye cancer in adults. Chromosome and mutation status have been shown to correlate with the disease-free survival. Loss of chromosome 3 and inactivating mutations in BAP1, which is located on chromosome 3, are strongly associated with 'high-risk' tumors that metastasize early. Other genes often involved in uveal melanoma are SF3B1 and EIF1AX, which are found to be mutated in intermediate- and low-risk tumors, respectively...
January 12, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29326973/a-rare-case-of-endometrial-cancer-metastatic-to-the-uveal-choroid
#7
Stephanie H Smith, Sri Krishna C Arudra, Mary M Mullen, Marguerite Palisoul, Sonika Dahiya, P Kumar Rao, Premal H Thaker
•Choroid metastases are extremely rare in endometrial cancer.•Choroid metastases can present as many different eye complaints.•Comprehensive eye exams are important in patients with visual complaints.
February 2018: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/29326244/gene-therapy-comes-of-age
#8
REVIEW
Cynthia E Dunbar, Katherine A High, J Keith Joung, Donald B Kohn, Keiya Ozawa, Michel Sadelain
After almost 30 years of promise tempered by setbacks, gene therapies are rapidly becoming a critical component of the therapeutic armamentarium for a variety of inherited and acquired human diseases. Gene therapies for inherited immune disorders, hemophilia, eye and neurodegenerative disorders, and lymphoid cancers recently progressed to approved drug status in the United States and Europe, or are anticipated to receive approval in the near future. In this Review, we discuss milestones in the development of gene therapies, focusing on direct in vivo administration of viral vectors and adoptive transfer of genetically engineered T cells or hematopoietic stem cells...
January 12, 2018: Science
https://www.readbyqxmd.com/read/29321667/the-management-of-retinoblastoma
#9
REVIEW
Ido D Fabian, Zerrin Onadim, Esin Karaa, Catriona Duncan, Tanzina Chowdhury, Irene Scheimberg, Shin-Ichi Ohnuma, M Ashwin Reddy, Mandeep S Sagoo
Retinoblastoma (Rb) is the most common primary intraocular malignancy of childhood, but an uncommon paediatric cancer, with a constant incidence worldwide of 1:15,000-1:20,000 live births. Despite its rarity, Rb has served as a cornerstone in the field of oncology in many of the aspects that comprise cancer management, including classification schemes, treatment modalities, genetic testing and screening. Until just over half a century ago, the major treatment for Rb was eye removal, and prognosis was poor with outcome fatal for most children...
January 11, 2018: Oncogene
https://www.readbyqxmd.com/read/29317634/punctuated-evolution-of-canonical-genomic-aberrations-in-uveal-melanoma
#10
Matthew G Field, Michael A Durante, Hima Anbunathan, Louis Z Cai, Christina L Decatur, Anne M Bowcock, Stefan Kurtenbach, J William Harbour
Cancer is thought to arise through the accumulation of genomic aberrations evolving under Darwinian selection. However, it remains unclear when the aberrations associated with metastasis emerge during tumor evolution. Uveal melanoma (UM) is the most common primary eye cancer and frequently leads to metastatic death, which is strongly linked to BAP1 mutations. Accordingly, UM is ideally suited for studying the clonal evolution of metastatic competence. Here we analyze sequencing data from 151 primary UM samples using a customized bioinformatic pipeline, to improve detection of BAP1 mutations and infer the clonal relationships among genomic aberrations...
January 9, 2018: Nature Communications
https://www.readbyqxmd.com/read/29317098/a-case-of-paraneoplastic-neuromyelitis-optica-associated-with-small-cell-lung-carcinoma
#11
Lisa M Deuel, Marjorie E Bunch
Neuromyelitis optic spectrum disorders are demyelinating conditions that are typically idiopathic, though various case reports have demonstrated an association with malignancy. We present the case of a 64year old woman with NMOSD in the setting of small cell lung cancer. She had longitudinally extensive transverse myelitis and left eye optic neuritis; aquaporin-4 antibodies were elevated. Biopsy of mediastinal adenopathy was positive for SCLC. Malignancy should be considered in any patient with an atypical presentation of NMOSD, or who does not respond to traditional therapies...
January 3, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29315699/topical-administration-of-regorafenib-eye-drops-phase-i-dose-escalation-study-in-healthy-volunteers
#12
Torsten Zimmermann, Joachim Höchel, Michael Becka, Michael K Boettger, Beate Rohde, Barbara Schug, Kathleen S Kunert, Frank Donath
AIM: Regorafenib is a multi-kinase inhibitor under investigation for use in neovascular age-related macular degeneration. In this Phase I study, regorafenib eye drops were administered to healthy volunteers to provide information on safety, tolerability and systemic exposure. METHODS: This was a single-centre, randomized, double-masked, parallel-group, dose-escalation, placebo-controlled study. Subjects received regorafenib eye drops (30 mg ml-1 , 25 μL) as a 0...
January 9, 2018: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29314142/retinoblastoma-the-visible-cns-tumor-a-review
#13
Helen Dimaras, Timothy W Corson
The pediatric ocular cancer retinoblastoma is the only central nervous system (CNS) tumor readily observed without specialized equipment: it can be seen by, and in, the naked eye. This accessibility enables unique imaging modalities. Here, we review this cancer for a neuroscience audience, highlighting these clinical and research imaging options, including fundus imaging, optical coherence tomography, ultrasound, and magnetic resonance imaging. We also discuss the subtype of retinoblastoma driven by the MYCN oncogene more commonly associated with neuroblastoma, and consider trilateral retinoblastoma, in which an intracranial tumor arises along with ocular tumors in patients with germline RB1 gene mutations...
January 3, 2018: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/29311040/prevalence-and-risk-factors-of-actinic-keratosis-in-patients-attending-italian-dermatology-clinics
#14
Maria Concetta Fargnoli, Gianfranco Altomare, Elisa Benati, Francesco Borgia, Paolo Broganelli, Anna Carbone, Sergio Chimenti, Sergio Donato, Giampiero Girolomoni, Giuseppe Micali, Erica Moggio, Aurora Parodi, Stefano Piaserico, Giuseppe Pistone, Concetta Potenza, Mario Puviani, Margherita Raucci, Sabina Vaccari, Stefano Veglio, Andrea Zanca, Ketty Peris
Actinic keratosis (AK) is a common keratinocyte intra-epidermal neoplasia. To assess AK prevalence and potential risk factors in patients attending Italian general dermatology clinics. This retrospective study was conducted on clinical data from consecutive white outpatients aged ≥30 years, attending 24 general dermatology clinics between December 2014 and February 2015. AK prevalence (entire population) and multivariate risk factor analysis (patients with current/previous AK and complete data) are presented...
December 1, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/29300388/colonoscopy-based-colorectal-cancer-modeling-in-mice-with-crispr-cas9-genome-editing-and-organoid-transplantation
#15
Jatin Roper, Tuomas Tammela, Adam Akkad, Mohammad Almeqdadi, Sebastian B Santos, Tyler Jacks, Ömer H Yilmaz
Most genetically engineered mouse models (GEMMs) of colorectal cancer are limited by tumor formation in the small intestine, a high tumor burden that limits metastasis, and the need to generate and cross mutant mice. Cell line or organoid transplantation models generally produce tumors in ectopic locations-such as the subcutaneous space, kidney capsule, or cecal wall-that do not reflect the native stromal environment of the colon mucosa. Here, we describe detailed protocols to rapidly and efficiently induce site-directed tumors in the distal colon of mice that are based on colonoscopy-guided mucosal injection...
February 2018: Nature Protocols
https://www.readbyqxmd.com/read/29298970/-ocular-symptoms-in-von-recklinghausen-disease
#16
REVIEW
Mateusz Nowak, Lidia Nowak, Jacek Nowak, Piotr Chaniecki
Von Recklinghausen disease is a genetic disease with autosomal dominant, belonging to the group phakomatoses. In the clinical picture of the disease are skin lesions, eye, bone, intracranial tumors and other cancers of the extracranial location. Due to the high variability of clinical symptoms often diagnosis is delayed in cases of mild expression. The prognosis depends on the location and extent of the change and only symptomatic treatment have a tendency to change regrowth.
December 22, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29298515/vitex-rotundifolia-fruit-suppresses-the-proliferation-of-human-colorectal-cancer-cells-through-down-regulation-of-cyclin-d1-and-cdk4-via-proteasomal-dependent-degradation-and-transcriptional-inhibition
#17
Hun Min Song, Gwang Hun Park, Su Bin Park, Hyun-Seok Kim, Ho-Jun Son, Yurry Um, Jin Boo Jeong
Viticis Fructus (VF) as the dried fruit from Vitex rotundifolia L. used as a traditional medicine for treating inflammation, headache, migraine, chronic bronchitis, eye pain, and gastrointestinal infections has been reported to have antiproliferative effects against various cancer cells, including breast, lung and colorectal cancer cells. However, the molecular mechanisms by which VF mediates the inhibitory effect of the proliferation of cancer cells have not been elucidated in detail. In this study, we investigated the molecular mechanism of VF on the down-regulation of cyclin D1 and CDK4 level associated with cancer cell proliferation...
January 3, 2018: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/29287101/cancer-risk-in-korean-patients-with-beh%C3%A3-et-s-disease-a-nationwide-population-based-study
#18
Yoon Suk Jung, Minkyung Han, Do Young Kim, Jae Hee Cheon, Sohee Park
BACKGROUND: Various immune-mediated diseases are associated with increased malignancy risks. However, the relationship between Behçet's disease (BD) and cancer remains unclear. We conducted a nationwide, population-based study to determine the risk of cancer in patients with BD. METHODS: Using National Health Insurance claims records, we collected data from 2402 patients diagnosed with BD between 2013 and 2014. Standardized incidence ratios (SIRs) of overall and site-specific cancers in patients with BD in comparison with the general population were calculated...
2017: PloS One
https://www.readbyqxmd.com/read/29284020/health-status-by-gender-hair-color-and-eye-color-red-haired-women-are-the-most-divergent
#19
Peter Frost, Karel Kleisner, Jaroslav Flegr
Red hair is associated in women with pain sensitivity. This medical condition, and perhaps others, seems facilitated by the combination of being red-haired and female. We tested this hypothesis by questioning a large sample of Czech and Slovak respondents about the natural redness and darkness of their hair, their natural eye color, their physical and mental health (24 categories), and other personal attributes (height, weight, number of children, lifelong number of sexual partners, frequency of smoking). Red-haired women did worse than other women in ten health categories and better in only three, being particularly prone to colorectal, cervical, uterine, and ovarian cancer...
2017: PloS One
https://www.readbyqxmd.com/read/29275899/analysis-of-the-treatment-plan-evaluation-process-in-radiotherapy-through-eye-tracking
#20
A Kyroudi, K Petersson, M Ozsahin, J Bourhis, F Bochud, R Moeckli
BACKGROUND AND PURPOSE: Treatment plan evaluation is a clinical decision-making problem that involves visual search and analysis in a contextually rich environment, including delineated structures and isodose lines superposed on CT data. It is a two-step process that includes visual analysis and clinical reasoning. In this work, we used eye tracking methods to gain more knowledge about the treatment plan evaluation process in radiation therapy. MATERIALS AND METHODS: Dose distributions on a single transverse slice of ten prostate cancer treatment plans were presented to eight decision makers...
December 21, 2017: Zeitschrift Für Medizinische Physik
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