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https://www.readbyqxmd.com/read/29353272/optical-coherence-tomography-angiography-offers-new-insights-into-choriocapillaris-perfusion
#1
Jost L Lauermann, Nicole Eter, Florian Alten
The choriocapillaris (CC) represents a fundamentally important vascular layer that is subject to physiologic changes with increasing age and that is also associated with a wide range of chorioretinal diseases. So far, information on blood flow in this specific layer has remained limited. With the advent of optical coherence tomography angiography (OCTA), new perspectives and possibilities of CC imaging have begun to evolve. This article shall review the opportunities and challenges of applying OCTA technology to the CC layer and summarize the current clinical efforts in OCTA CC imaging exemplarily in dry age-related macular degeneration and central serous chorioretinopathy...
January 19, 2018: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/29349909/a-literature-review-and-hypothesis-for-the-etiologies-of-cervical-and-root-caries
#2
John O Grippo, Thomas A Coleman, Antonello Maria Messina, Daniel S Oh
The presence of endogenous acids from bacteria acting on a suitable substrate combined with sources of exogenous biocorrosives such as exogenous acids and proteolytic enzymes in areas of stress concentration are hypothesized to lead to the development and progression of cervical and root caries (RC). Quantifying the effects of each of the mechanisms (stress and biocorrosion) is a daunting task to investigate since so many factors are involved at various times in the etiology of noncarious cervical lesions (NCCLs), cervical caries (CC), and RC...
January 18, 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29349823/tibolone-and-risk-of-gynecological-hormone-sensitive-cancer
#3
Ellen Christine Leth Løkkegaard, Lina Steinrud Mørch
Risk of ovarian cancer with hormone therapy is associated with use of both unopposed estrogen therapy and combined estrogen-progestin therapy, whereas for endometrial cancer addition of continuous progestin decreases the estrogen induced increased risk. Less is known about risk with use of tibolone; a synthetic steroid with estrogenic, progestagenic, and androgenic properties. We assessed these associations in a prospective cohort study, including all Danish women 50-79 years of age and followed 1995-2009. National Danish Registers captured individually updated exposure information, cancer cases including histology and confounding factors...
January 19, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29348823/prevalence-of-pathogenic-germline-variants-detected-by-multigene-sequencing-in-unselected-japanese-patients-with-ovarian-cancer
#4
Akira Hirasawa, Issei Imoto, Takuya Naruto, Tomoko Akahane, Wataru Yamagami, Hiroyuki Nomura, Kiyoshi Masuda, Nobuyuki Susumu, Hitoshi Tsuda, Daisuke Aoki
Pathogenic germline BRCA1, BRCA2 (BRCA1/2), and several other gene variants predispose women to primary ovarian, fallopian tube, and peritoneal carcinoma (OC), although variant frequency and relevance information is scarce in Japanese women with OC. Using targeted panel sequencing, we screened 230 unselected Japanese women with OC from our hospital-based cohort for pathogenic germline variants in 75 or 79 OC-associated genes. Pathogenic variants of 11 genes were identified in 41 (17.8%) women: 19 (8.3%; BRCA1), 8 (3...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29346241/chronic-central-serous-chorioretinopathy-early-and-late-morphological-and-functional-changes-after-verteporfin-photodynamic-therapy
#5
Pierluigi Iacono, Massimiliano Tedeschi, Barbara Boccassini, Adele Chiaravalloti, Monica Varano, Mariacristina Parravano
PURPOSE: To describe early and late morphological and functional changes in subjects receiving photodynamic therapy (PDT) for chronic central serous chorioretinopathy. METHODS: Patients with chronic central serous chorioretinopathy were prospectively enrolled and received standard PDT. At the baseline examination, each subject underwent complete ophthalmological examination, including best-corrected visual acuity (BCVA) assessment, fluorescein angiography and indocyanine green angiography, spectral domain optical coherence tomography, and microperimetry...
January 16, 2018: Retina
https://www.readbyqxmd.com/read/29344261/t-cell-acute-lymphoblastic-lymphoma-complicated-with-myeloid-sarcoma-in-an-adult-a-case-report
#6
Ying Wang, Shupeng Wen, Zhiyun Niu, Lina Xing, Fuxu Wang, Xuejun Zhang
The present case report describes a rare case of T cell acute lymphoblastic lymphoma (T-LBL) in the lymph node with myeloid sarcoma in the pericardium. A 33-year-old Chinese male was admitted to hospital on 4 July 2015 exhibiting a fever and having experienced wheezing and fatigue for the previous 7 days. Routine pathological, computed tomographic, cytological and immunophenotypic observations revealed a diagnosis of T-LBL in the lymph node on 7 August 2015, without evidence of bone marrow (BM) involvement...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29343281/p-mapa-immunotherapy-potentiates-the-effect-of-cisplatin-on-serous-ovarian-carcinoma-through-targeting-tlr4-signaling
#7
Luiz Gustavo de Almeida Chuffa, Grazielle de Moura Ferreira, Luiz Antonio Lupi, Iseu da Silva Nunes, Wagner José Fávaro
BACKGROUND: Toll-like receptors (TLRs) are transmembrane proteins expressed on the surface of ovarian cancer (OC) and immune cells. Identifying the specific roles of the TLR-mediated signaling pathways in OC cells is important to guide new treatments. Because immunotherapies have emerged as the adjuvant treatment for patients with OC, we investigated the effect of a promising immunotherapeutic strategy based on protein aggregate magnesium-ammonium phospholinoleate-palmitoleate anhydride (P-MAPA) combined with cisplatin (CIS) on the TLR2 and TLR4 signaling pathways via myeloid differentiation factor 88 (MyD88) and TLR-associated activator of interferon (TRIF) in an in vivo model of OC...
January 17, 2018: Journal of Ovarian Research
https://www.readbyqxmd.com/read/29342438/vitreoretinal-complications-and-outcomes-in-92-eyes-undergoing-surgery-for-modified-osteo-odonto-keratoprosthesis-a-10-year-review
#8
Pukhraj Rishi, Ekta Rishi, Vishvesh Agarwal, Sridevi Nair, Geetha Iyer, Bhaskar Srinivasan, Shweta Agarwal
PURPOSE: To analyze vitreoretinal (VR) complications and treatment outcomes in eyes undergoing modified osteo-odonto-keratoprosthesis (OOKP) surgery. DESIGN: Retrospective case series. PARTICIPANTS: All patients who underwent modified OOKP (mOOKP) surgery at a tertiary eye-care center from March 2003 to February 2013 were included. METHODS: Medical records were reviewed for relevant medical history, best-corrected visual acuity (BCVA), slit-lamp examination, ultrasound scan, oral examination findings, and VR complications...
January 13, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29342012/diffuse-chorioretinopathy-without-serous-detachment-associated-with-cardiac-transplantation
#9
Michael F Marmor
PURPOSE: To analyze an unusual case of widespread chorioretinopathy after cardiac transplantation for its potential etiology and clinical significance. METHODS: Clinical examinations included widefield and macular color and fundus autofluorescence photography, spectral domain optical coherence tomography, fluorescein angiography and indocyanine green angiography, full-field electroretinography, and Goldmann visual fields. PATIENT: A 44-year-old Hispanic woman was referred to rule out retinitis pigmentosa...
January 16, 2018: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29340789/fully-sialylated-alpha-chain-of-complement-4-binding-protein-a2160-a-novel-prognostic-marker-for-epithelial-ovarian-carcinoma
#10
Koji Matsuo, Kazuhiro Tanabe, Masae Ikeda, Takeo Shibata, Hiroshi Kajiwara, Masaki Miyazawa, Mariko Miyazawa, Masaru Hayashi, Masako Shida, Takeshi Hirasawa, Lynda D Roman, Mikio Mikami
PURPOSE: Fully sialylated alpha-chain of complement 4-binding protein (A2160) is a member of the glycoprotein family and has recently been identified as a diagnostic biomarker for epithelial ovarian cancer. This study examined the utility of A2160 as a prognostic biomarker for this disease. METHODS: This is a retrospective analysis of prospectively collected plasma samples from 93 women with stage I-IV epithelial ovarian cancer who underwent primary cytoreductive surgery between 2009 and 2014...
January 16, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29340034/prexasertib-a-cell-cycle-checkpoint-kinases-1-and-2-inhibitor-increases-in-vitro-toxicity-of-parp-inhibition-by-preventing-rad51-foci-formation-in-brca-wild-type-high-grade-serous-ovarian-cancer
#11
Ethan Brill, Takuhei Yokoyama, Jayakumar Nair, Minshu Yu, Yeong-Ran Ahn, Jung-Min Lee
PARP inhibitors (PARPi) have been effective in high-grade serous ovarian cancer (HGSOC), although clinical activity is limited against BRCA wild type HGSOC. The nearly universal loss of normal p53 regulation in HGSOCs causes dysfunction in the G1/S checkpoint, making tumor cells reliant on Chk1-mediated G2/M cell cycle arrest for DNA repair. Therefore, Chk1 is a reasonable target for a combination strategy with PARPi in treating BRCA wild type HGSOC. Here we investigated the combination of prexasertib mesylate monohydrate (LY2606368), a Chk1 and Chk2 inhibitor, and a PARP inhibitor, olaparib, in HGSOC cell lines (OVCAR3, OV90, PEO1 and PEO4) using clinically attainable concentrations...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29340030/increased-efficacy-of-metformin-corresponds-to-differential-metabolic-effects-in-the-ovarian-tumors-from-obese-versus-lean-mice
#12
Jianjun Han, Weiya Z Wysham, Yan Zhong, Hui Guo, Lu Zhang, Kim M Malloy, Hallum K Dickens, Gene Huh, Douglas Lee, Liza Makowski, Chunxiao Zhou, Victoria L Bae-Jump
Obesity is a significant risk factor for ovarian cancer (OC) and associated with worse outcomes for this disease. We assessed the anti-tumorigenic effects of metformin in human OC cell lines and a genetically engineered mouse model of high grade serous OC under obese and lean conditions. Metformin potently inhibited growth in a dose-dependent manner in all four human OC cell lines through AMPK/mTOR pathways. Treatment with metformin resulted in G1 arrest, induction of apoptosis, reduction of invasion and decreased hTERT expression...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339644/changes-in-central-macular-thickness-and-retinal-nerve-fiber-layer-thickness-in-eyes-with-vogt-koyanagi-harada-disease-a-2-year-follow-up-study
#13
Yong-Seop Han, Kyung-Sup Shin, Woo-Hyuk Lee, Jung-Yeul Kim
PURPOSE: To investigate the central macular thickness (CMT) and retinal nerve fiber layer (RNFL) thickness in eyes with Vogt-Koyanagi-Harada (VKH) disease associated with optic disc swelling and serous retinal detachment through a 24-month follow-up period. METHODS: We prospectively investigated 28 eyes of 14 treatment-naïve patients with acute VKH disease associated with optic disc swelling and serous retinal detachment and 30 eyes of 15 normal individuals to compare changes in the CMT and average RNFL thickness...
January 16, 2018: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/29339543/genes-predisposed-to-dna-hypermethylation-during-acquired-resistance-to-chemotherapy-are-identified-in-ovarian-tumors-by-bivalent-chromatin-domains-at-initial-diagnosis
#14
Edward Curry, Constanze Zeller, Nahal Masrour, Darren Patten, John Gallon, Charlotte S Wilhelm-Benartzi, Sadaf Ghaem-Maghami, David D L Bowtell, Robert Brown
Bivalent chromatin domains containing both active H3K4me3 and repressive H3K27me3 histone marks define gene sets poised for expression or silencing in differentiating embryonic stem (ES) cells. In cancer cells aberrantly poised genes may facilitate changes in transcriptional states after exposure to anti-cancer drugs. In this study, we used ChIP-seq to characterize genome-wide positioning of H3K4me3 and H3K27me3-associated chromatin in primary high-grade serous ovarian carcinomas and in normal ovarian surface and fallopian tube tissue...
January 16, 2018: Cancer Research
https://www.readbyqxmd.com/read/29339537/stat3-pias3-levels-serve-as-early-signature-genes-in-the-development-of-high-grade-serous-carcinoma-from-the-fallopian-tube
#15
Uksha Saini, Adrian A Suarez, Shan Naidu, John J Wallbillich, Kristin Bixel, Ross Wanner, Jason Bice, Raleigh D Kladney, Jenny Lester, Beth Y Karlan, Paul J Goodfellow, David E Cohn, Karuppaiyah Selvendiran
The initial molecular events that lead to malignant transformation of the fimbria of the fallopian tube (FT) through high-grade serous ovarian carcinoma (HGSC) remain poorly understood. In this study, we report that increased expression of signal transducer and activator of transcription 3 (pSTAT3 Tyr705) and suppression or loss of protein inhibitor of activated STAT3 (PIAS3) in FT likely drive HGSC. We evaluated human tissues-benign normal FT, tubal peritoneal junction (TPJ), p53 signature fallopian tube tissue, tubal intraepithelial lesion in transition (TILT), serous tubal intraepithelial carcinoma (STIC) without ovarian cancer, and HGSC for expression of STAT3/PIAS3 (compared with their known TP53 signature) and their target proliferation genes...
January 16, 2018: Cancer Research
https://www.readbyqxmd.com/read/29338158/studying-the-serum-as-well-as-serous-level-of-il-17-and-il-23-in-patients-with-serous-otitis-media
#16
Ahmad Yeghaneh Moghaddam, Rezvan Talaei, Hassan Nikoueinejad, Hossein Akbari
Serous otitis media with effusion (OME) is a middle ear inflammatory response to allergens and microbes which stimulate leukocytes to produce different inflammatory mediators after obstruction of Eustachian tube. Here, we investigated the levels of these mediators, IL-17 and IL-23, in serum and middle ear fluids of children with OME. 75 patients with otitis media and 75 age and sex-matched healthy controls were enrolled in this study. IL-17 and IL-23 levels in serous secretion of the patients and their serum levels were measured in both groups by ELISA...
December 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29338133/pimasertib-associated-ophthalmological-adverse-events
#17
Elon H C van Dijk, Wim H J Kruit, Martine J Jager, Gregorius P M Luyten, Johannes R Vingerling, Camiel J F Boon
PURPOSE: To analyse ophthalmological adverse events associated with mitogen-activated protein kinase kinase (MEK) inhibition with pimasertib treatment for metastatic cutaneous melanoma (CM). METHODS: In this prospective observational, cohort-based, cross-sectional study, eight patients treated with the MEK inhibitor pimasertib received a complete ophthalmic examination. This included Early Treatment of Diabetic Retinopathy Study best-corrected visual acuity, visual field testing, colour vision testing, slit-lamp examination, applanation tonometry, indirect ophthalmoscopy, digital colour fundus photography and optical coherence tomography (OCT)...
January 16, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29338130/correlation-between-morphological-characteristics-in-spectral-domain-optical-coherence-tomography-different-functional-tests-and-a-patient-s-subjective-handicap-in-acute-central-serous-chorioretinopathy
#18
Bianca S Gerendas, Julia-Sophie Kroisamer, Wolf Buehl, Sandra M Rezar-Dreindl, Katharina M Eibenberger, Eleonore Pablik, Ursula Schmidt-Erfurth, Stefan Sacu
PURPOSE: The purpose of this study was to identify quantitatively measurable morphologic optical coherence tomography (OCT) characteristics in patients with an acute episode of central serous chorioretinopathy (CSC) and evaluate their correlation to functional and psychological variables for their use in daily clinical practice. METHODS: Retinal thickness (RT), the height, area and volume of subretinal fluid (SRF)/pigment epithelium detachments were evaluated using the standardized procedures of the Vienna Reading Center...
January 16, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29336210/semi-supervised-identification-of-cancer-subgroups-using-survival-outcomes-and-overlapping-grouping-information
#19
Wei Wei, Zequn Sun, Willian A da Silveira, Zhenning Yu, Andrew Lawson, Gary Hardiman, Linda E Kelemen, Dongjun Chung
Identification of cancer patient subgroups using high throughput genomic data is of critical importance to clinicians and scientists because it can offer opportunities for more personalized treatment and overlapping treatments of cancers. In spite of tremendous efforts, this problem still remains challenging because of low reproducibility and instability of identified cancer subgroups and molecular features. In order to address this challenge, we developed Integrative Genomics Robust iDentification of cancer subgroups (InGRiD), a statistical approach that integrates information from biological pathway databases with high-throughput genomic data to improve the robustness for identification and interpretation of molecularly-defined subgroups of cancer patients...
January 1, 2018: Statistical Methods in Medical Research
https://www.readbyqxmd.com/read/29335784/clinical-significance-of-mirna-21-103-129-150-in-serous-ovarian-cancer
#20
Miłosz Wilczyński, Ewelina Żytko, Justyna Danielska, Bożena Szymańska, Monika Dzieniecka, Marek Nowak, Jakub Malinowski, Dariusz Owczarek, Jacek R Wilczyński
PURPOSE: We aimed to compare expression levels of miRNA-21, -103, -129, -150 in primary tumour tissues and its omental metastases from patients operated for advanced ovarian serous cancer. Expression levels of selected miRNAs were correlated with clinicopathological features, including chemosensitivity and survival. METHODS: We performed total RNA extraction from archival formalin-fixed paraffin-embedded tissue samples of primary serous ovarian cancer and omental metastases...
January 16, 2018: Archives of Gynecology and Obstetrics
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