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https://www.readbyqxmd.com/read/28214557/quadruple-first-line-drug-resistance-in-mycobacterium-tuberculosis-in-vietnam-what-can-we-learn-from-genes
#1
Huy Quang Nguyen, Nhung Viet Nguyen, Lucie Contamin, Thanh Hoa Thi Tran, Thuong Thi Vu, Hung Van Nguyen, Ngoc Lan Thi Nguyen, Son Thai Nguyen, Anh Duc Dang, Anne-Laure Bañuls, Van Anh Thi Nguyen
In Vietnam, a country with high tuberculosis (137/100.000 population) and multidrug-resistant (MDR)-TB burdens (7.8/100.000 population), little is known about the molecular signatures of drug resistance in general and more particularly of second line drug (SLD) resistance. This study is specifically focused on Mycobacterium tuberculosis isolates resistant to four first-line drugs (FLDs) that make TB much more difficult to treat. The aim is to determine the proportion of SLD resistance in these quadruple drug resistant isolates and the genetic determinants linked to drug resistance to better understand the genetic processes leading to quadruple and extremely drug resistance (XDR)...
February 15, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28212921/towards-developing-criteria-for-scleroderma-renal-crisis-a-scoping-review
#2
REVIEW
Sabrina Hoa, Edward P Stern, Christopher P Denton, Marie Hudson
OBJECTIVE: The absence of a gold standard for scleroderma renal crisis (SRC) has hindered our understanding of this problem. The objective of this scoping review was to identify the criteria used to define SRC in order to guide the development of a consensus definition for SRC. METHODS: We conducted a search in three databases: Medline, Embase and non-Ovid Pubmed. Papers were eligible for inclusion if they were full-length articles in English whose main topic was SRC or scleroderma renal disease...
February 14, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28212645/retrospective-analysis-of-antiretroviral-therapy-uptake-and-retention-of-male-clients-receiving-methadone-maintenance-therapy-in-two-provinces-in-vietnam-potential-synergy-of-the-two-therapies
#3
Linh Thi Thuy Pham, Akiko Kitamura, Hoa Mai Do, Kim Anh Lai, Nhan Tuan Le, Van Thi Thuy Nguyen, Masaya Kato
BACKGROUND: Vietnam has a concentrated HIV epidemic with injection drug use being the dominant mode of HIV transmission. Vietnam has rapidly expanded antiretroviral therapy (ART) and methadone maintenance therapy (MMT). This study aims to analyze ART uptake and retention among male clients receiving MMT in Vietnam in the early phase of the MMT program. METHODS: The male clients (age ≥18) who were newly enrolled in care or started ART at two HIV clinics in Hanoi (2009 to 2011) and three HIV clinics in Can Tho (2010 to 2012) were included for the analysis...
February 17, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28208159/two-previously-unknown-phytophthora-species-associated-with-brown-rot-of-pomelo-citrus-grandis-fruits-in-vietnam
#4
Ivana Puglisi, Alessandro De Patrizio, Leonardo Schena, Thomas Jung, Maria Evoli, Antonella Pane, Nguyen Van Hoa, Mai Van Tri, Sandra Wright, Mauritz Ramstedt, Christer Olsson, Roberto Faedda, Gaetano Magnano di San Lio, Santa Olga Cacciola
Two distinct Phytophthora taxa were found to be associated with brown rot of pomelo (Citrus grandis), a new disease of this ancestral Citrus species, in the Vinh Long province, Mekong River Delta area, southern Vietnam. On the basis of morphological characters and using the ITS1-5.8S-ITS2 region of the rDNA and the cytochrome oxidase subunit 1 (COI) as barcode genes, one of the two taxa was provisionally named as Phytophthora sp. prodigiosa, being closely related to but distinct from P. insolita, a species in Phytophthora Clade 9, while the other one, was closely related to but distinct from the Clade 2 species P...
2017: PloS One
https://www.readbyqxmd.com/read/28197339/refractive-topographic-and-aberrometric-results-at-2-year-follow-up-for-accelerated-corneal-cross-link-for-progressive-keratoconus
#5
Ercüment Bozkurt, Engin Bilge Ozgurhan, Betul Ilkay Sezgin Akcay, Tugba Kurt, Yusuf Yildirim, Zehra Karaagaç Günaydin, Ahmet Demirok
Purpose. To report the visual, refractive, and corneal topography and wavefront aberration results of accelerated corneal cross-linking (CXL) during a 24-month follow-up. Methods. Forty-seven eyes underwent riboflavin-ultraviolet A-induced accelerated CXL treatment (30 mW/cm(2) with a total dose of 7.2 joules/cm(2)). Uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), spherical and cylindrical values, keratometry (K) measurements (Ksteep, Kflat, Kavg, and Kapex), central corneal thickness, and anterior corneal aberrometric analyses including total wavefront error (WFE), total high order aberration (HOA), astigmatism, trefoil, coma, quadrafoil, secondary astigmatism, and spherical aberration were evaluated...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28195317/human-papillomavirus-self-sampling-for-screening-non-attenders-opt-in-pilot-implementation-with-electronic-communication-platforms
#6
Janni Uyen Hoa Lam, Matejka Rebolj, Ditte Møller Ejegod, Helle Pedersen, Carsten Rygaard, Elsebeth Lynge, Louise Thirstrup Thomsen, Susanne Krüger Kjaer, Jesper Bonde
In organized cervical screening programs, typically 25% of the invited women do not attend. The Copenhagen Self-sampling Initiative (CSi) aimed to gain experiences on participation among screening non-attenders in the Capital Region of Denmark. Here, we report on the effectiveness of different communication platforms used in the pilot with suggestions for strategies prior to a full-implementation. Moreover, an innovative approach using self-sampling brushes with unique radio frequency identification chips allowed for unprecedented levels patient identification safety...
February 13, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28192838/topography-guided-prk-and-crosslinking-in-eyes-with-keratoconus-and-post-lasik-ectasia
#7
T M Müller, A P Lange
Topography-guided photorefractive keratectomy (TG-PRK) combined with corneal collagen crosslinking (CXL) has been shown to potentially improve vision and stabilize progression in patients with keratoconus (KC). We attempted to reproduce the previously published results using a different laser platform (AMARIS 500E) in patients with KC and post-LASIK ectasia (PLE). All of the 9 included eyes showed improved topography (Kmax, Kmean, RMS HOA, vertical coma, cylinder; p < 0.05) and improved visual acuity (BCVA, UCVA; p < 0...
February 13, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28191456/the-short-form-score-for-the-assessment-and-quantification-of-chronic-rheumatic-affections-of-the-hands-in-daily-clinical-routines-its-sensitivity-to-change-and-preliminary-patient-relevant-variation-values-a-pilot-study
#8
Ulrike Stummer, Bernhard Rintelen, Burkhard F Leeb
OBJECTIVE: The SF-SACRAH was developed to assess the involvement of the hand in rheumatoid arthritis (RA) and hand osteoarthritis (HOA) patients in daily clinical routines. In this pilot study, its sensitivity to change will be assessed longitudinally, and preliminary thresholds for patient relevant changes are derived. METHODS: Ninety-nine outpatients suffering from HOA (n = 55) or RA (n = 44) completed the SF-SACRAH once initially. After approximately 3 months, patients repeated the SF-SACRAH...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28185077/phytochelatin-2-accumulates-in-roots-of-the-seagrass-enhalus-acoroides-collected-from-sediment-highly-contaminated-with-lead
#9
Xuan-Vy Nguyen, Khanh-Hy Le-Ho, Jutta Papenbrock
Phytochelatins (PCs), the heavy metal-binding peptides of plants, play a main function in heavy metal detoxification. In this study, Enhalus acoroides samples collected at six distinct seagrass beds from the coast of Khanh Hoa province, Viet Nam, were evaluated for their PCs. The contents of different PCs in each organ including leaf, rhizome, and root were determined by using HPLC analysis. Significant differences of PC2 contents among specific organs and their relation were tested by ANOVA, Tukey test, and Pearson's correlation...
February 9, 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/28168049/photorefractive-keratectomy-for-residual-myopia-after-myopic-laser-in-situ-keratomileusis
#10
Kamal A M Solaiman, Sameh M Fouda, Ashraf Bor'i, Haitham Y Al-Nashar
Purpose. To evaluate the safety, efficacy, and predictability of photorefractive keratectomy (PRK) on the corneal flap for correction of residual myopia following myopic laser in situ keratomileusis (LASIK). Patients and Methods. A retrospective study on eyes retreated by PRK on the corneal flap for residual myopia after LASIK. All eyes had no enough stroma after LASIK sufficient for LASIK enhancement. Data included spherical equivalent (SE), uncorrected and best corrected visual acuity (UCVA and BCVA), central pachymetry, corneal higher order aberrations (HOAs), corneal hysteresis (CH), corneal resistance factor (CRF), and corneal haze...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28166499/dspcp-a-data-scalable-approach-for-identifying-relationships-in-parallel-coordinates
#11
Hoa Nguyen, Paul Rosen
Parallel coordinates plots (PCPs) are a well-studied technique for exploring multi-attribute datasets. In many situations, users find them a flexible method to analyze and interact with data. Unfortunately, using PCPs becomes challenging as the number of data items grows large or multiple trends within the data mix in the visualization. The resulting overdraw can obscure important features. A number of modifications to PCPs have been proposed, including using color, opacity, smooth curves, frequency, density, and animation to mitigate this problem...
January 30, 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/28163936/surdity-in-the-or-an-unusual-case-of-brainstem-anesthesia
#12
Howard D Palte, Don P Hoa, Aldo Pavon Canseco
Brainstem anesthesia is a potentially life-threatening complication of regional ophthalmic anesthesia. This case report chronicles an unusual presentation of brainstem anesthesia following an eye block. The unique features of this case were the presenting symptoms of deafness and slurred speech in the absence of loss of consciousness, respiratory depression, or contralateral ophthalmoplegia. This report underscores two key points: first, the importance of ongoing patient monitoring after performance of an eye block; second, the exigency of supportive therapy in suspected cases of brainstem anesthesia...
2017: Case Reports in Anesthesiology
https://www.readbyqxmd.com/read/28161576/molecular-assessment-of-collagen-denaturation-in-decellularized-tissues-using-a-collagen-hybridizing-peptide
#13
Jeongmin Hwang, Boi Hoa San, Neill J Turner, Lisa J White, Denver M Faulk, Stephen F Badylak, Yang Li, S Michael Yu
: Decellularized extracellular matrix (ECM) derived from tissues and organs are emerging as important scaffold materials for regenerative medicine. Many believe that preservation of the native ECM structure during decellularization is highly desirable. However, because effective techniques to assess the structural damage in ECM are lacking, the disruptive effects of a decellularization method and the impact of the associated structural damage upon the scaffold's regenerative capacity are often debated...
February 1, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28153533/dysregulation-of-gene-expression-in-the-striatum-of-bachd-rats-expressing-full-length-mutant-huntingtin-and-associated-abnormalities-on-molecular-and-protein-levels
#14
Libo Yu-Taeger, Michael Bonin, Janice Stricker-Shaver, Olaf Riess, Hoa Huu Phuc Nguyen
Huntington disease (HD) is an autosomal dominantly inherited neurodegenerative disorder caused by a CAG repeat expansion in the gene coding for the huntingtin protein (HTT). Mutant HTT (mHTT) has been proposed to cause neuronal dysfunction and neuronal loss through multiple mechanisms. Transcriptional changes may be a core pathogenic feature of HD. Utilizing the Affymetrix platform we performed a genome-wide RNA expression analysis in two BACHD transgenic rat lines (TG5 and TG9) at 12 months of age, both of which carry full-length human mHTT but with different expression levels...
January 30, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28152553/the-effect-of-aberrations-on-objectively-assessed-image-quality-and-depth-of-focus
#15
Antonio J Del Águila-Carrasco, Scott A Read, Robert Montés-Micó, D Robert Iskander
The effects of aberrations on image quality and the objectively assessed depth of focus (DoF) were studied. Aberrometry data from 80 young subjects with a range of refractive errors was used for computing the visual Strehl ratio based on the optical transfer function (VSOTF), and then, through-focus simulations were performed in order to calculate the objective DoF (using two different relative thresholds of 50% and 80%; and two different pupil diameters) and the image quality (the peak VSOTF). Both lower order astigmatism and higher order aberration (HOA) terms up to the fifth radial order were considered...
February 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28151706/near-infrared-photoimmunotherapy-in-a-transgenic-mouse-model-of-spontaneous-epidermal-growth-factor-receptor-egfr-expressing-lung-cancer
#16
Yuko Nakamura, Zoe Weaver Ohler, Deborah Householder, Tadanobu Nagaya, Kazuhide Sato, Shuhei Okuyama, Fusa Ogata, Dagane Daar, Tieu Hoa, Peter L Choyke, Hisataka Kobayashi
Near infrared photoimmunotherapy (NIR-PIT) is a new cancer treatment that combines the specificity of antibodies for targeting tumors with the toxicity induced by a sensitive photoabsorber following exposure to NIR light. Most studies of NIR-PIT have been performed in xenograft models of cancer. The purpose of this study was to evaluate the therapeutic effects of NIR-PIT in a transgenic model of spontaneous lung cancer expressing human EGFR (hEGFR-TL). Mice were separated into 3 groups for the following treatments: (1) no treatment (control); (2) 150 μg of photoabsorber, IR700, conjugated to panitumumab, an antibody targeting EGFR [antibody-photoabsorber conjugate (APC)] intravenously (i...
February 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28149787/small-incision-lenticule-extraction-versus-femtosecond-lenticule-extraction-for-myopic-a-systematic-review-and-meta-analysis
#17
Jia-Song Wang, Hua-Tao Xie, Ye Jia, Ming-Chang Zhang
AIM: To examine differences in efficacy, accuracy, safety, aberrations and corneal biomechanical between Small incision lenticule extraction (SMILE) and femtosecond lenticule extraction (FLEx) for myopia. METHODS: Comprehensive studies were conducted on the PubMed, MEDLINE, EMBASE, and Cochrane Controlled Trials Register before 31 July, 2015. Meta-analyses were performed on the primary outcomes [loss of ≥2 lines of corrected distance visual acuity (CDVA), uncorrected distance visual acuity (UDVA) ≥20/20, spherical equivalent (SE) within ±0...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28149257/pcr-based-assays-for-validation-of-single-nucleotide-polymorphism-markers-in-rice-and-mungbean
#18
Thu Giang Thi Bui, Nguyen Thi Lan Hoa, Jo-Yi Yen, Roland Schafleitner
BACKGROUND: Single nucleotide polymorphism (SNP) markers are the method of choice for genetic analyses including diversity and quantitative trait loci (QTL) studies. Marker validation is essential for QTL studies, but the cost and workload are considerable when large numbers of markers need to be verified. Marker systems with low development costs would be most suitable for this task. RESULTS: We have tested allele specific polymerase chain reaction (PCR), tetra markers and a genotyping tool based on the single strand specific nuclease CEL-I to verify randomly selected SNP markers identified previously either with a SNP array or by genotyping by sequencing in rice and mungbean, respectively...
2017: Hereditas
https://www.readbyqxmd.com/read/28127436/sperm-quality-and-paternal-age-effect-on-blastocyst-formation-and-pregnancy-rates
#19
Aurélie Chapuis, Anna Gala, Alice Ferrières-Hoa, Tiffany Mullet, Sophie Bringer-Deutsch, Emmanuelle Vintejoux, Antoine Torre, Samir Hamamah
BACKGROUND: Several studies suggest a decrease in sperm quality in men in the last decades. Therefore, the aim of this work was to assess the influence of male factors (sperm quality and paternal age) on the outcomes of conventional in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI). METHODS: This retrospective study included all couples who underwent IVF or ICSI at Montpellier University Hospital, France, between 1 January 2010 and 31 December 2015...
2017: Basic and Clinical Andrology
https://www.readbyqxmd.com/read/28123967/the-effects-of-placing-an-operational-research-fellow-within-the-viet-nam-national-tuberculosis-programme
#20
N B Hoa, N V Nhung, A M V Kumar, A D Harries
In April 2009, an operational research fellow was placed within the Viet Nam National Tuberculosis Control Programme (NTP). Over the 6 years from 2010 to 2015, the OR fellow co-authored 21 tuberculosis research papers (as principal author in 15 [71%]). This constituted 23% of the 91 tuberculosis papers published in Viet Nam during this period. Of the 21 published papers, 16 (76%) contributed to changes in policy (n = 8) and practice (n = 8), and these in turn improved programme performance. Many papers also contributed important evidence for better programme planning...
December 21, 2016: Public Health Action
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