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https://www.readbyqxmd.com/read/28442689/wound-healing-and-glaucoma-surgery-modulating-the-scarring-process-with-conventional-antimetabolites-and-new-molecules
#1
Gábor Holló
Subconjunctival absorption of aqueous humor is an essential part of glaucoma filtration surgery. Mitomycin C (MMC) and 5-fluorouracil have been used to reduce postoperative episcleral fibrosis and scar formation in the filtering bleb area for more than 2 decades. Both antimetabolites have also been frequently injected before needling revision of failing filtering blebs. Recently, MMC was also tried in tube surgery and nonpenetrating filtering surgery, but its usefulness in these applications has not yet been determined...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28433844/neurological-decline-in-an-elderly-with-repaired-myelomeningocele-complicated-with-lumbar-canal-stenosis-a-case-report
#2
Shingo Matsuda, Satoshi Yamaguchi, Yosuke Kajihara, Masaaki Takeda, Manish Kolakshyapati, Kaoru Kurisu
BACKGROUND: Tethered cord syndrome is a well-known complication after myelomeningocele (MMC) repair in childhood. However, late complications in adults with a repaired MMC are not well understood. In particular, the influence of a degenerative spinal deformity on a sustained tethered cord is still unclear. CASE DESCRIPTION: A 63-year-old man with a repaired MMC presented with a progressive gait disturbance and numbness in both lower limbs. Magnetic resonance images demonstrated that the tethered spinal cord was compressed by severe canal stenosis along the entire lumbar spine...
April 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28433789/macromolecular-crowding-for-tailoring-tissue-derived-fibrillated-matrices
#3
Valentina Magno, Jens Friedrichs, Heather M Weber, Marina C Prewitz, Mikhail V Tsurkan, Carsten Werner
Tissue-derived fibrillated matrices can be instrumental for the in vitro reconstitution of multiphasic extracellular microenvironments. However, despite of several advantages, the obtained scaffolds so far offer a rather narrow range of materials characteristics only. In this work, we demonstrate how macromolecular crowding (MMC) - the supplementation of matrix reconstitution media with synthetic or natural macromolecules in ways to create excluded volume effects (EVE) - can be employed for tailoring important structural and biophysical characteristics of kidney-derived fibrillated matrices...
April 19, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28405683/bladder-intracavitary-hyperthermic-perfusion-chemotherapy-for-the-prevention-of-recurrence-of-non-muscle-invasive-bladder-cancer-after-transurethral-resection
#4
Mingchen Ba, Shuzhong Cui, Bin Wang, Hui Long, Zhaofei Yan, Shuai Wang, Yinbing Wu, Yuanfeng Gong
Preventing the recurrence of non-muscle invasive bladder cancer (NMIBC) post-transurethral resection (TUR) remains challenging. The aim of the present study was to investigate the effectiveness and safety of bladder intracavitary hyperthermic perfusion chemotherapy (BHPC) for prevention of NMIBC recurrence post-TUR. Between December 2006 and December 2014, 53 patients with NMIBC who underwent TUR were randomly assigned to receive BHPC (BHPC group, 28 patients) or intravesical chemotherapy alone (chemotherapy group, 25 patients) at the Intracelom Hyperthermic Perfusion Therapy Center of Guangzhou Medical University Cancer Hospital (Guangzhou, China)...
May 2017: Oncology Reports
https://www.readbyqxmd.com/read/28396244/enhanced-release-of-poorly-water-soluble-drugs-from-synergy-between-mesoporous-magnesium-carbonate-and-polymers
#5
Jiaojiao Yang, Caroline Alvebratt, Peng Zhang, Teresa Zardán Gómez de la Torre, Maria Strømme, Christel A S Bergström, Ken Welch
The need to combat poor water solubility has increased interest in supersaturating drug delivery systems. In this study, amorphous mesoporous magnesium carbonate (MMC) was used as a drug carrier to achieve supersaturation of tolfenamic acid and rimonabant, two drug compounds with low aqueous solubility. The potential synergy between MMC and hydroxypropyl methylcellulose (HPMC), a polymer commonly included as a precipitation inhibitor in drug delivery systems, was explored with the aim of extending the time that high supersaturation levels were maintained...
April 8, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28392938/effect-of-mitomycin-c-on-myopic-versus-astigmatic-photorefractive-keratectomy
#6
Ashwag A Almosa, Samah M Fawzy
Purpose. Long-term mitomycin C (MMC) effects on photorefractive keratectomy (PRK) were compared in simple myopic and astigmatic patients. Methods. In this observational cohort study, subjects were selected based on preoperative and postoperative data collected from medical records; they were divided into simple myopia with/without MMC and myopic astigmatism with/without MMC groups. Haze, uncorrected visual acuity (UCVA), best-corrected visual acuity (BCVA), subjective refraction, and K-reading were evaluated at 1-, 3-, 6-, and 12-month follow-ups...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28391506/inactivation-of-genes-involved-in-base-excision-repair-of-corynebacterium-glutamicum-and-survival-of-the-mutants-in-presence-of-various-mutagens
#7
Fabiola Kautzmann, Josef Altenbuchner
Base Excision Repair (BER) is considered as the most active DNA repair pathway in vivo, which is initiated by recognition of the nucleotide lesions and excision of the damaged DNA base. The genome of Corynebacterium glutamicum ATCC 13032 contains various DNA glycosylases encoding genes (ung, fpg/mutM, tagI, alkA, mutY), two AP-endonuclease encoding genes (nei and nth) and an exonuclease encoding gene xth. To investigate the role of these genes during DNA repair in C. glutamicum, mutants with deletions of one or more genes in BER pathway were created...
April 8, 2017: Archives of Microbiology
https://www.readbyqxmd.com/read/28382873/modulation-of-murine-intestinal-immunity-by-moringa-oleifera-extract-in-experimental-hymenolepiasis-nana
#8
M Abdel-Latif, G El-Shahawi, S M Aboelhadid, H Abdel-Tawab
The potential therapeutic value of Moringa oleifera extract (MOE), due to its anti-inflammatory and anti-oxidant effects, has been reported previously. In this study, Hymenolepis nana antigen (HNA) in combination with MOE was used in immunization against H. nana infection. Adult worm and egg counts were taken, while histological changes in the intestine were observed. Mucosal mast (MMCs) and goblet cells (GCs) were stained with specific stains, while serum and intestinal IgA were assayed using enzyme-linked immunosorbent assay (ELISA)...
April 6, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/28375611/phase-transition-dielectric-properties-and-ionic-transport-in-the-ch3-2nh2-pbi3-organic-inorganic-hybrid-with-2h-hexagonal-perovskite-structure
#9
A García-Fernández, J M Bermúdez-García, S Castro-García, A L Llamas-Saiz, R Artiaga, J López-Beceiro, S Hu, W Ren, A Stroppa, M Sánchez-Andújar, M A Señarís-Rodríguez
In this work, we focus on [(CH3)2NH2]PbI3, a member of the [AmineH]PbI3 series of hybrid organic-inorganic compounds, reporting a very easy mechanosynthesis route for its preparation at room temperature. We report that this [(CH3)2NH2]PbI3 compound with 2H-perovskite structure experiences a first-order transition at ≈250 K from hexagonal symmetry P63/mmc (HT phase) to monoclinic symmetry P21/c (LT phase), which involves two cooperative processes: an off-center shift of the Pb(2+) cations and an order-disorder process of the N atoms of the DMA cations...
April 4, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28372035/immunosuppressive-effects-of-bryoria-sp-lichen-forming-fungus-extracts-via-inhibition-of-cd8-t-cells-proliferation-and-il-2-production-in-cd4%C3%A2-%C2%BA-t-cells
#10
Yun-Ho Hwang, Sung-Ju Lee, Kyung-Yun Kang, Jae-Seoun Hur, Sung-Tae Yee
Lichen forming fungi are known to have various biological activities, such as antioxidant, antimicrobial, antitumor, antiviral, anti-inflammation, anti-proliferative activities. However, their immunosuppressive effects of Bryoria sp. extract (BSE) have not previously been investigated. In this study, the inhibitory activity of BSE extract on the proliferation of CD8⁺ T cells and the mixed lymphocytes reaction (MLR) was evaluated in vitro. BSE is non-toxic in spleen cells and suppresses the growth of splenocytes induced by anti-CD3...
April 3, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28368372/ercc1-xpf-cooperates-with-ctcf-and-cohesin-to%C3%A2-facilitate-the-developmental-silencing-of-imprinted%C3%A2-genes
#11
Georgia Chatzinikolaou, Zivkos Apostolou, Tamara Aid-Pavlidis, Anna Ioannidou, Ismene Karakasilioti, Giorgio L Papadopoulos, Michalis Aivaliotis, Maria Tsekrekou, John Strouboulis, Theodore Kosteas, George A Garinis
Inborn defects in DNA repair are associated with complex developmental disorders whose causal mechanisms are poorly understood. Using an in vivo biotinylation tagging approach in mice, we show that the nucleotide excision repair (NER) structure-specific endonuclease ERCC1-XPF complex interacts with the insulator binding protein CTCF, the cohesin subunits SMC1A and SMC3 and with MBD2; the factors co-localize with ATRX at the promoters and control regions (ICRs) of imprinted genes during postnatal hepatic development...
April 3, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28367375/the-hospital-score-and-lace-index-as-predictors-of-30-day-readmission-in-a-retrospective-study-at-a-university-affiliated-community-hospital
#12
Robert Robinson, Tamer Hudali
INTRODUCTION: Hospital readmissions are common, expensive, and a key target of the Medicare Value Based Purchasing (VBP) program. Validated risk assessment tools such as the HOSPITAL score and LACE index have been developed to identify patients at high risk of hospital readmission so they can be targeted for interventions aimed at reducing the rate of readmission. This study aims to evaluate the utility of HOSPITAL score and LACE index for predicting hospital readmission within 30 days in a moderate-sized university affiliated hospital in the midwestern United States...
2017: PeerJ
https://www.readbyqxmd.com/read/28363499/expression-and-secretory-profile-of-buffalo-fetal-fibroblasts-and-wharton-s-jelly-feeder-layers
#13
Mehtab S Parmar, Smruti Ranjan Mishra, Anjali Somal, Sriti Pandey, G Sai Kumar, Mihir Sarkar, Vikash Chandra, G Taru Sharma
The present study examined the comparative expression and secretory profile of vital signaling molecules in buffalo fetal fibroblasts (BFF) and Wharton's jelly (BWJ) feeder layers at different passages. Both feeder layers were expanded up to 8th passage. Signaling molecules viz. bone morphogenetic protein 4 (BMP4), fibroblast growth factor 2 (FGF2), leukemia inhibitory factor (LIF) and transforming growth factor beta 1 (TGFB1) and pluripotency-associated transcriptional factors (POU5F1, SOX2, NANOG, KLF4, MYC and FOXD3) were immunolocalized in the both feeder types...
March 12, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28361507/client-uptake-of-safer-conception-strategies-implementation-outcomes-from-the-sakh-umndeni-safer-conception-clinic-in-south-africa
#14
Sheree R Schwartz, Jean Bassett, Charles B Holmes, Nompumelelo Yende, Rebecca Phofa, Ian Sanne, Annelies Van Rie
INTRODUCTION: Implementation of safer conception services for HIV-affected couples within primary healthcare clinics in resource-limited settings remains limited. We review service utilization and safer conception strategy uptake during the first three years of Sakh'umndeni, which is a safer conception clinic in South Africa. METHODS: Sakh'umndeni is located at Witkoppen Health and Welfare Centre, a high-volume primary healthcare clinic in northern Johannesburg...
March 8, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28359819/effects-of-amine-modification-of-mesoporous-magnesium-carbonate-on-controlled-drug-release
#15
Maria Vall, Peng Zhang, Ao Gao, Sara Frykstrand, Ocean Cheung, Maria Strømme
(3-Aminopropyl)triethoxysilane (APTES) was used to modify the surface of mesoporous magnesium carbonate (MMC). The as-synthesized MMC had an average pore diameter of ∼5nm, but amine grafting occurred preferentially on the walls of the largest MMC pores. Analysis of ibuprofen (IBU) loading and release showed that IBU remained stable in the amorphous phase in all the MMC and modified MMC samples. The kinetics of IBU release from the modified MMC were assessed and used to evaluate the effects of the different functional groups...
March 27, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28358903/clusters-of-amniotic-fluid-cells-and-their-associated-early-neuroepithelial-markers-in-experimental-myelomeningocele-correlation-with-astrogliosis
#16
Jolanta Zieba, Amanda Miller, Oleg Gordiienko, George M Smith, Barbara Krynska
Myelomeningocele (MMC) is the most common and severe disabling type of spina bifida resulting in the exposure of vulnerable spinal cord to the hostile intrauterine environment. In this study, we sought to examine the cellular content of fetal amniotic fluid (AF) in MMC and explore a correlation between these cells and pathological development of MMC. MMC was induced in fetal rats by exposing pregnant mothers to all-trans retinoic acid and AF samples were collected before term. Cells were isolated from AF samples and morphologically and phenotypically characterized in short-term cultures...
2017: PloS One
https://www.readbyqxmd.com/read/28356438/googling-service-boundaries-for-endovascular-clot-retrieval-hub-hospitals-in-a-metropolitan-setting-proof-of-concept-study
#17
Thanh G Phan, Richard Beare, Jian Chen, Benjamin Clissold, John Ly, Shaloo Singhal, Henry Ma, Velandai Srikanth
BACKGROUND AND PURPOSE: There is great interest in how endovascular clot retrieval hubs provide services to a population. We applied a computational method to objectively generate service boundaries for such endovascular clot retrieval hubs, defined by traveling time to hub. METHODS: Stroke incidence data merged with population census to estimate numbers of stroke in metropolitan Melbourne, Australia. Traveling time from randomly generated addresses to 4 endovascular clot retrieval-capable hubs (Royal Melbourne Hospital [RMH], Monash Medical Center [MMC], Alfred Hospital [ALF], and Austin Hospital [AUS]) estimated using Google Map application program interface...
March 29, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28347920/mir-200b-and-mir-155-as-predictive-biomarkers-for-the-efficacy-of-chemoradiation-in-locally-advanced-head-and-neck-squamous-cell-carcinoma
#18
Anne-Katrin Hess, Annika Müer, Fabian Dominik Mairinger, Wilko Weichert, Albrecht Stenzinger, Michael Hummel, Volker Budach, Ingeborg Tinhofer
BACKGROUND: The predictive value of microRNAs (miRNAs) in tumour cells and infiltrating immune cells for the efficacy of chemoradiation (CRTX) in locally advanced head and neck squamous cell carcinoma (HNSCC) was evaluated. METHODS: Formalin-fixed, paraffin-embedded tumour material was collected from patients with locally advanced HNSCC treated within the ARO-0401 phase III trial with radiotherapy in combination with either 5-fluorouracil/cisplatin (CDDP-CRTX) or 5-fluorouracil/mitomycin C (MMC-CRTX)...
March 24, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28347165/synthetic-cathinones-in-southern-germany-characteristics-of-users-substance-patterns-co-ingestions-and-complications
#19
Katrin Romanek, Jochen Stenzel, Sabrina Schmoll, Verena Schrettl, Stefanie Geith, Florian Eyer, Christian Rabe
OBJECTIVE: To define the characteristics of synthetic cathinone users admitted to hospital including clinical and laboratory parameters and the complications of use. DESIGN: Retrospective single-center study of patients treated for acute cathinone intoxication and complications of cathinone use between January 2010 and January 2016. SETTING: A specialized clinical toxicology unit at an academic tertiary care center in Southern Germany serving a population of about 4 million...
March 28, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28341950/frontal-changes-in-the-lower-face-after-clockwise-rotation-of-the-maxillomandibular-complex-without-perisurgical-orthodontic-treatment-in-angle-class-i-and-skeletal-class-iii-women
#20
Sang Woo Lee, Jeongmok Cho, Kikap Kim, Seung Hyun Ahn
BACKGROUND: Orthognathic surgery has become more popular to slenderize a wide lower face and to improve facial esthetics in Asian patients with normal occlusion. Clockwise rotation (CR) of the maxillomandibular complex (MMC) steepens the mandibular plane. This study performed a quantitative analysis on the influence of CR on slenderness of the lower face from the frontal view. PATIENTS AND METHODS: This retrospective study included 36 female patients with Angle Class I occlusion and skeletal Class III pattern...
March 24, 2017: Aesthetic Plastic Surgery
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