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https://www.readbyqxmd.com/read/28931389/semi-automated-quantification-of-hard-exudates-in-colour-fundus-photographs-diagnosed-with-diabetic-retinopathy
#1
Abhilash Goud Marupally, Kiran Kumar Vupparaboina, Hari Kumar Peguda, Ashutosh Richhariya, Soumya Jana, Jay Chhablani
BACKGROUND: Hard exudates (HEs) are the classical sign of diabetic retinopathy (DR) which is one of the leading causes of blindness, especially in developing countries. Accordingly, disease screening involves examining HEs qualitatively using fundus camera. However, for monitoring the treatment response, quantification of HEs becomes crucial and hence clinicians now seek to measure the area of HEs in the digital colour fundus (CF) photographs. Against this backdrop, we proposed an algorithm to quantify HEs using CF images and compare with previously reported technique using ImageJ...
September 20, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28929101/current-trends-in-volume-replacement-therapy-and-the-use-of-synthetic-colloids-in-small-animals-an-internet-based-survey-2016
#2
Ivayla D Yozova, Judith Howard, Nadja E Sigrist, Katja-Nicole Adamik
The use of synthetic colloids (SCs), particularly hydroxyethyl starch (HES), in people has changed in recent years following new evidence raising concerns about their efficacy and safety. Although fluid therapy guidelines for small animals are often extrapolated from human medicine, little information exists on current practice in veterinary medicine. The objective of the present study was to investigate current fluid selection, use of plasma volume expanders including SCs, and recent changes in their use in small animal practice...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28918520/derivation-of-human-induced-pluripotent-stem-cell-ipsc-lines-and-mechanism-of-pluripotency-historical-perspective-and-recent-advances
#3
REVIEW
Arvind Chhabra
Derivation of human embryonic stem cell (hES) lines in 1998 was not only a major technological breakthrough in the field of regenerative medicine; it also triggered a passionate debate about the ethical issues associated with the utilization of human embryos for derivation of hESC lines. Successful derivation of induced pluripotent stem cell (iPS) lines from human somatic cells with defined reprogramming factors by Shinya Yamanaka`s group in 2007 was another breakthrough that generated enormous excitement and hope for the development of donor-specific personalized cell replacement therapies (CRT) without the ethical dilemma associated with it...
September 16, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28915391/hepatitis-b-surface-antigen-incorporated-in-dissolvable-microneedle-array-patch-is-antigenic-and-thermostable
#4
Danielle Poirier, Frédéric Renaud, Vincent Dewar, Laurent Strodiot, Florence Wauters, Jim Janimak, Toshio Shimada, Tatsuya Nomura, Koki Kabata, Koji Kuruma, Takayuki Kusano, Masaki Sakai, Hideo Nagasaki, Takayoshi Oyamada
Alternatives to syringe-based administration are considered for vaccines. Intradermal vaccination with dissolvable microneedle arrays (MNA) appears promising in this respect, as an easy-to-use and painless method. In this work, we have developed an MNA patch (MNAP) made of hydroxyethyl starch (HES) and chondroitin sulphate (CS). In swines, hepatitis B surface antigen (HBsAg) formulated with the saponin QS-21 as adjuvant, both incorporated in HES-based MNAP, demonstrated the same level of immunogenicity as a commercially available aluminum-adjuvanted HBsAg vaccine, after two immunizations 28 days apart...
August 29, 2017: Biomaterials
https://www.readbyqxmd.com/read/28914955/alcohol-related-mortality-in-patients-with-psoriasis-a-population-based-cohort-study
#5
Rosa Parisi, Roger T Webb, Matthew J Carr, Kieran J Moriarty, C Elise Kleyn, Christopher E M Griffiths, Darren M Ashcroft
Importance: People diagnosed with psoriasis have an increased risk of premature mortality, but the underlying reasons for this mortality gap are unclear. Objective: To investigate whether patients with psoriasis have an elevated risk of alcohol-related mortality. Design, Setting, and Participants: An incident cohort of patients with psoriasis aged 18 years and older was delineated for 1998 through 2014 using the Clinical Practice Research Datalink (CPRD) and linked to Hospital Episode Statistics (HES) and Office for National Statistics (ONS) mortality records...
September 15, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28903326/distinct-clinicopathological-features-in-metanephric-adenoma-harboring-braf-mutation
#6
Anna Caliò, John N Eble, Ondrej Hes, Guido Martignoni, Saul E Harari, Sean R Williamson, Matteo Brunelli, Adeboye O Osunkoya, Lisha Wang, Eva Comperat, Antonio Lopez-Beltran, Mingsheng Wang, Shaobo Zhang, Kendra L Curless, Kristin M Post, Hsim-Yee Chang, Claudio Luchini, Lee Ann Baldrige, Gregory T MacLennan, Rodolfo Montironi, David J Grignon, Liang Cheng
BRAF mutation recently has been reported in metanephric adenoma. We sought to determine the clinical and morphologic features of BRAF-mutated metanephric adenoma and to correlate BRAF mutation with BRAF V600E immunohistochemical staining results. A series of 48 metanephric adenomas and 15 epithelial-predominant nephroblastomas were analyzed for the occurrence of BRAF mutation (BRAF V600E/V600E complex, BRAF V600D, BRAF V600K and BRAF V600R) using the BRAF RGQ PCR kit (Qiagen). Immunohistochemistry was performed using monoclonal mouse antibodies against p16(INK4) and VE1 (Spring Bioscience), recognizing the BRAF V600E mutant protein...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28901397/beneficial-effect-of-20%C3%A2-hydroxyecdysone-exerted-by-modulating-antioxidants-and-inflammatory-cytokine-levels-in-collagen%C3%A2-induced-arthritis-a-model-for-rheumatoid-arthritis
#7
You Sun, De-Li Zhao, Zi-Xuan Liu, Xue-Hui Sun, Yang Li
Rheumatoid arthritis is a chronic autoimmune disease characterized by an elevated synovial inflammatory response, with destruction or erosion of articular cartilage in major joints. The aim of the present study was to examine whether 20‑hydroxyecdysone (HES) is able to ameliorate oxidative stress and inflammatory responses in a collagen‑induced rheumatoid arthritis (CIA) rat model. A total of 40 healthy male rats were selected arbitrarily and separated into four groups. Rats treated with saline served as a control (group I), rats subjected to CIA induction by intradermal injection of bovine collagen II type served as the induced group (group II), while rats induced with CIA and administered with 10 and 20 mg/kg bodyweight HES for 28 days served as treatment groups (groups III and IV)...
August 29, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28893756/the-incidence-and-healthcare-costs-of-persistent-postoperative-pain-following-lumbar-spine-surgery-in-the-uk-a-cohort-study-using-the-clinical-practice-research-datalink-cprd-and-hospital-episode-statistics-hes
#8
Sharada Weir, Mihail Samnaliev, Tzu-Chun Kuo, Caitriona Ni Choitir, Travis S Tierney, David Cumming, Julie Bruce, Andrea Manca, Rod S Taylor, Sam Eldabe
OBJECTIVE: To characterise incidence and healthcare costs associated with persistent postoperative pain (PPP) following lumbar surgery. DESIGN: Retrospective, population-based cohort study. SETTING: Clinical Practice Research Datalink (CPRD) and Hospital Episode Statistics (HES) databases. PARTICIPANTS: Population-based cohort of 10 216 adults who underwent lumbar surgery in England from 1997/1998 through 2011/2012 and had at least 1 year of presurgery data and 2 years of postoperative follow-up data in the linked CPRD-HES...
September 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28885361/angioimmunoblastic-t-cell-lymphoma-and-hypereosinophilic-syndrome-with-fip1l1-pdgfra-fusion-gene-effectively-treated-with-imatinib-a-case-report
#9
Masayo Yamamoto, Katsuya Ikuta, Yasumichi Toki, Mayumi Hatayama, Motohiro Shindo, Yoshihiro Torimoto, Toshikatsu Okumura
RATIONALE: Hypereosinophilic syndrome (HES) is a rare disorder characterized by hypereosinophilia and organ damage. Some cases of HES are caused by the FIP1L1/PDGFRA fusion gene and respond to imatinib. FIP1L1/PDGFRA-positive HES occasionally evolves into chronic eosinophilic leukemia or into another form of myeloproliferative neoplasm; however, the development of a malignant lymphoma is very rare. We present a rare case of angioimmunoblastic T-cell lymphoma (AITL) and HES with the FIP1L1/PDGFRA gene rearrangement...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28881812/a-combination-of-valproic-acid-sodium-salt-chir99021-e-616452-tranylcypromine-and-3-deazaneplanocin-a-causes-stem-cell-like-characteristics-in-cancer-cells
#10
Shuang Sha, Yuanfen Zhai, Chengzhao Lin, Heyong Wang, Qing Chang, Shuang Song, Mingqiang Ren, Gentao Liu
Many studies are based on the hypothesis that recurrence and drug resistance in lung carcinoma are due to a subpopulation of cancer stem-like cells (CSLCs) in solid tumors. Therefore it is crucial to screen for and recognize lung CSLCs. In this study, we stimulated non-small cell lung cancer (NSCLC) A549 cells to display stem cell-like characteristics using a combination of five small molecule compounds. The putative A549 stem cells activated an important CSLC marker, CD133 protein, as well multiple CSLC-related genes including ATP-binding cassette transporter G2 (ABCG2), C-X-C chemokine receptor type 4 (CXCR4), NESTIN, and BMI1...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28878914/a-novel-keratin-13-variant-in-a-four-generation-family-with-white-sponge-nevus
#11
Stephanie B de Haseth, Egbert Bakker, Maarten H Vermeer, Hakima El Idrissi, Tjalling Bosse, Vincent T H B M Smit, Anna Terron-Kwiatkowski, W H Irwin McLean, Alexander A W Peters, Frederik J Hes
We report a novel KRT13 germ line variant that causes white sponge nevus (WSN) with mucosal dysplasia. Genital, vaginal, and cervical WSN were observed in four female patients, of whom two had premalignant cervical lesions at young age. Two of the 12 patients with oral WSN developed oral squamous cell carcinoma.
September 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28875981/unraveling-genetic-predisposition-to-familial-or-early-onset-gastric-cancer-using-germline-whole-exome-sequencing
#12
Ingrid P Vogelaar, Rachel S van der Post, J Han Jm van Krieken, Liesbeth Spruijt, Wendy Ag van Zelst-Stams, C Marleen Kets, Jan Lubinski, Anna Jakubowska, Urszula Teodorczyk, Cora M Aalfs, Liselotte P van Hest, Hugo Pinheiro, Carla Oliveira, Shalini N Jhangiani, Donna M Muzny, Richard A Gibbs, James R Lupski, Joep de Ligt, Lisenka E L M Vissers, Alexander Hoischen, Christian Gilissen, Maartje van de Vorst, Jelle J Goeman, Hans K Schackert, Guglielmina N Ranzani, Valeria Molinaro, Encarna B Gómez García, Frederik J Hes, Elke Holinski-Feder, Maurizio Genuardi, Margreet G E M Ausems, Rolf H Sijmons, Anja Wagner, Lizet E van der Kolk, Inga Bjørnevoll, Hildegunn Høberg-Vetti, Ad Geurts van Kessel, Roland P Kuiper, Marjolijn J L Ligtenberg, Nicoline Hoogerbrugge
Recognition of individuals with a genetic predisposition to gastric cancer (GC) enables preventive measures. However, the underlying cause of genetic susceptibility to gastric cancer remains largely unexplained. We performed germline whole-exome sequencing on leukocyte DNA of 54 patients from 53 families with genetically unexplained diffuse-type and intestinal-type GC to identify novel GC-predisposing candidate genes. As young age at diagnosis and familial clustering are hallmarks of genetic tumor susceptibility, we selected patients that were diagnosed below the age of 35, patients from families with two cases of GC at or below age 60 and patients from families with three GC cases at or below age 70...
September 6, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28867687/rapid-exacerbation-of-renal-function-after-administration-of-hydroxyethyl-starch-in-a-dog
#13
Junwoo Bae, Mahmoud Soliman, Hyunwoo Kim, Seongwoo Kang, Woosun Kim, Soomin Ahn, Kyoungoh Cho, Jihye Choi, Suhee Kim, Jinho Park, Sangki Kim, Yoonjung DO, Jaegyu Yoo, Dohyeon Yu
Hydroxyethyl starches (HES) are commonly used synthetic colloidal solution in veterinary medicine. Despite of possible adverse effect to kidney injury in human, there is no report about nephrotoxic effects of HES in dogs. HES was administered to a Golden retriever (4-year-old, intact male) with ascites in order to increase plasma osmolality. Initially, the dog was mild azotemic, however, kidney function was rapidly deteriorated after several days of HES administration. Finally, histopathological examination revealed remarkable osmotic nephrosis...
September 2, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28862347/effects-of-hydroxyethyl-starch-130-0-4-on-serum-creatinine-concentration-and-development-of-acute-kidney-injury-in-nonazotemic-cats
#14
N E Sigrist, N Kälin, A Dreyfus
BACKGROUND: Hydroxyethyl-starch (HES) solutions might have renal adverse effects in humans and dogs. OBJECTIVE: To determine if administration of 6% HES-130/0.4 is associated with an increase in serum creatinine concentration and development of acute kidney injury (AKI) in nonazotemic cats. ANIMALS: A total of 62 critically ill cats; 26 HES exposed and 36 unexposed. METHODS: Retrospective cohort study (2012-2015). Serum creatinine concentrations were recorded and changes in serum creatinine concentrations before exposure (baseline) and 2-10 and 11-90 days, respectively, were determined...
September 1, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28861890/high-grade-renal-cell-carcinoma-with-emperipolesis-clinicopathological-immunohistochemical-and-molecular-genetic-analysis-of-14-cases
#15
Pavla Rotterova, Petr Martinek, Reza Alaghehbandan, Kristyna Prochazkova, Ivan Damjanov, Joanna Rogala, Saul Suster, Delia Perez-Montiel, Isabel Alvarado-Cabrero, Maris Sperga, Marian Svajdler, Kvetoslava Michalova, Kristyna Pivovarcikova, Ondrej Daum, Milan Hora, Martin Dusek, Ondrej Ondic, Adela Stehlikova, Michal Michal, Ondrej Hes
Emperipolesis has recently been described as a constant feature of "biphasic squamoid" papillary renal cell carcinoma (BPRCC). We also noticed this in some high-grade (HG) RCC, which promoted the present study to estimate the incidence of emperipolesis in RCCs and to describe them in further detail. 14 cases of HGRCC showing emperipolesis were retrieved from our registry. Microscopic examination of filed slides was supplemented with immunohistochemical and molecular-genetic analyses using paraffin embedded tissue...
September 1, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28856557/endothelial-cells-promote-formation-of-medulloblastoma-stem-like-cells-via-notch-pathway-activation
#16
Yong Wang, Yushe Wang, Hang Chen, Qinghua Liang
The aim of the study is to investigate whether endothelial cells (ECs) promoted the capacity of stem-like cell formation in medulloblastoma (MB) and whether the mechanism of action was associated with mediation of Notch signaling pathway. Co-culture experiment was conducted to particularly understand the potential role of ECs in promoting phenotype and gene expression of MB stem-like cells. Self-renewal capacity and tumor cell population were measured by sphere-forming assay and flow cytometry, respectively...
August 30, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28851724/hes5-regulates-the-transition-timing-of-neurogenesis-and-gliogenesis-in-mammalian-neocortical-development
#17
Shama Bansod, Ryoichiro Kageyama, Toshiyuki Ohtsuka
During mammalian neocortical development, neural stem/progenitor cells (NSCs) sequentially give rise to deep layer neurons and superficial layer neurons through mid- to late-embryonic stages, shifting to gliogenic phase at perinatal stages. Previously, we found that the Hes genes inhibit neuronal differentiation and maintain NSCs. Here, we generated transgenic mice that overexpress Hes5 in NSCs of the central nervous system, and found that the transition timing from deep to superficial layer neurogenesis was shifted earlier, while gliogenesis precociously occurred in the developing neocortex of Hes5-overexpressing mice...
September 1, 2017: Development
https://www.readbyqxmd.com/read/28836380/comparison-of-human-umbilical-cord-blood-processing-with-or-without-hydroxyethyl-starch
#18
Milad Souri, Mahin Nikougoftar Zarif, Mahboobeh Rasouli, Khadijeh Golzadeh, Mozhdeh Nakhlestani Hagh, Nasim Ezzati, Kamran Atarodi
BACKGROUND: Umbilical cord blood (UCB) processing with hydroxyethyl starch (HES) is the most common protocol in the cord blood banks. The quality of UCB volume reduction was guaranteed by minimum manipulation of cord blood samples in the closed system. This study aimed to analyze and compare cell recovery and viability of UCB processed using the Sepax automated system in the presence and absence of HES. STUDY DESIGN AND METHODS: Thirty UCB bags with a total nucleated cell (TNC) count of more than 2...
August 23, 2017: Transfusion
https://www.readbyqxmd.com/read/28827243/do-hospitalisations-for-ambulatory-care-sensitive-conditions-reflect-low-access-to-primary-care-an-observational-cohort-study-of-primary-care-usage-prior-to-hospitalisation
#19
Sabine I Vuik, Gianluca Fontana, Erik Mayer, Ara Darzi
OBJECTIVES: To explore whether hospitalisations for ambulatory care sensitive conditions (ACSCs) are associated with low access to primary care. DESIGN: Observational cohort study over 2008 to 2012 using the Clinical Practice Research Datalink (CPRD) and Hospital Episode Statistics (HES) databases. SETTING: English primary and secondary care. PARTICIPANTS: A random sample of 300 000 patients. MAIN OUTCOME MEASURES: Emergency hospitalisation for an ACSC...
August 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28814424/hospitalisation-of-preterm-infants-with-pertussis-in-the-context-of-a-maternal-vaccination-programme-in-england
#20
Lisa Byrne, Helen Campbell, Nick Andrews, Sonia Ribeiro, Gayatri Amirthalingam
AIMS: To assess whether preterm infants are at increased risk of pertussis infection and whether this increased following introduction of a maternal pertussis vaccination in England, while examining characteristics of infants associated with more severe disease. METHODS: Infants aged <60 days admitted between 1 April 2009 and 31 March 2016 with a pertussis diagnosis code were extracted from Hospital Episode Statistics (HES) data. HES data were reconciled with existing surveillance systems to capture maternal vaccination status where available...
August 16, 2017: Archives of Disease in Childhood
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