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https://www.readbyqxmd.com/read/28938154/massively-parallel-sequencing-of-forensic-strs-and-snps-using-the-illumina-%C3%A2-forenseq%C3%A2-dna-signature-prep-kit-on-the-miseq-fgx%C3%A2-forensic-genomics-system
#1
Fei Guo, Jiao Yu, Lu Zhang, Jun Li
The ForenSeq™ DNA Signature Prep Kit (ForenSeq Kit) is designed to detect more than 200 forensically relevant markers in a single reaction on the MiSeq FGx™ Forensic Genomics System (MiSeq FGx System), including Amelogenin, 27 autosomal short tandem repeats (A-STRs), 7 X chromosomal STRs (X-STRs), 24 Y chromosomal STRs (Y-STRs) and 94 identity-informative single nucleotide polymorphisms (iSNPs) with the option to contain 22 phenotypic-informative SNPs (pSNPs) and 56 ancestry-informative SNPs (aSNPs). In this study, we evaluated the MiSeq FGx System on three major parts: methodological optimization (DNA extraction, sample quantification, library normalization, diluted libraries concentration, and sample-to-cell arrangement), massively parallel sequencing (MPS) performance (depth of coverage, sequence coverage ratio, and allele coverage ratio), and ForenSeq Kit characteristics (repeatability and concordance, sensitivity, mixture, stability and case-type samples)...
September 8, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28933697/enhanced-skin-regeneration-using-a-novel-amniotic-derived-tissue-graft
#2
Katie C Mowry, Paul P Bonvallet, Susan L Bellis
BACKGROUND: Chronic and recalcitrant wounds present a significant therapeutic challenge. Amniotic tissues contain many regenerative cytokines, growth factors, and extracellular matrix molecules including proteoglycans, hyaluronic acid, and collagens I, III, and IV. Dehydrated amnion/chorion grafts are currently used to treat a variety of wounds such as diabetic foot ulcers and burns. OBJECTIVE: The investigators hypothesized that processing methodologies, dehydration, and hypothermic processing and storage of amniotic tissues would affect overall quality of wound healing; they compared dehydrated amnion/chorion (dHACM) grafts to a novel hypothermically stored amniotic membrane (HSAM) graft in a full-thickness rat wound model...
September 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28933110/-effect-of-lanthanum-on-accumulation-of-active-constituent-and-key-enzymes-expression-of-salvia-miltiorrhiza-hairy-root
#3
Li-Hua Bian, Lin Zou, Bing-Qian Zhou, Wei Liu, Jie Zhou, Xiao Wang
The effect of Lanthanum on the accumulation of active constituent and key enzymes expression of Salvia miltiorrhiza hairy root were studied and furthermore signaling molecules mediating the synthesis of secondary metabolism was also defined in order to provide references for the reveal of synthesis mechanism of active constituent of S. miltiorrhiza hairy root inducing by Lanthanum. The content of active constituents were detected by HPLC. RNA was extracted with RNA prep Pure RNA purification kit (Tiangen). The results shows that LaCl3 processing promoted the accumulation of tanshinones and phenolic acids in S...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28931127/single-visit-rabies-pre-exposure-priming-induces-a-robust-anamnestic-antibody-response-after-simulated-post-exposure-vaccination-results-of-a-dose-finding-study
#4
Emile F F Jonker, Leonardus G Visser
Background: The current standard 3-dose intramuscular rabies PrEP schedule suffers from a number of disadvantages that severely limit accessibility and availability. The cost of is often prohibitive, it requires 3 visits to the clinic, and there are regular vaccine shortages. Methods: Volunteers ( N  = 30) were randomly assigned to 4 study arms: 1 standard dose intramuscular (IM) dose of PVRV (purified Vero cell rabies vaccine, Verorab), and 1/5th, 2/5th or 3/5th- fractional intradermal (ID) dose of PVRV in a single visit...
September 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28929260/preferences-for-injectable-prep-among-young-u-s-cisgender-men-and-transgender-women-and-men-who-have-sex-with-men
#5
Katie B Biello, Sybil Hosek, Morgan T Drucker, Marvin Belzer, Matthew J Mimiaga, Elliot Marrow, Julia Coffey-Esquivel, Jennifer Brothers, Kenneth H Mayer
Young men who have sex with men account for approximately 20% of incident HIV infections in the U.S. Antiretroviral pre-exposure prophylaxis (PrEP) administered as a daily pill has been shown to decrease HIV acquisition in at-risk individuals. New modalities for PrEP are being developed and tested, including injectable PrEP; however, acceptability of these emerging modalities has not yet been examined in youth. We conducted six focus groups with 36 young men and transgender men and women who have sex with men in Boston, Chicago, and Los Angeles in 2016 to assess interest in and preference for different PrEP modalities...
September 19, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/28927341/perceived-need-of-and-interest-in-hiv-pre-exposure-prophylaxis-amongst-men-who-have-sex-with-men-attending-three-sexual-health-clinics-in-london-uk
#6
Lauren Bull, Pavle Dimitrijevic, Sophie Beverley, Alex Scarborough, Sundhiya Mandalia, Olamide Dosekun, Tristan Barber, Iain Reeves, Sheena McCormack, Michael Rayment
HIV pre-exposure prophylaxis (PrEP) has proven efficacy in reducing the risk of HIV infection in men who have sex with men (MSM), but has not yet been commissioned in the UK. The aim of this study was to investigate perceived need and benefit (or experience of) PrEP among HIV-negative MSM attending sexual health clinics. HIV-negative MSM attending three sexual health centres in London, UK were opportunistically invited to complete a questionnaire. Data collected comprised demographic data and sexual and drug use behaviours as well as questions regarding perceptions of risk and need for PrEP...
January 1, 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28926213/whole-genome-amplification-and-sequencing-of-a-daphnia-resting-egg
#7
Justin B Lack, Lawrence J Weider, Punidan D Jeyasingh
Resting eggs banks are unique windows that allow us to directly observe shifts in population genetics, and phenotypes over time as natural populations evolve. Although a variety of planktonic organisms also produce resting stages, the keystone freshwater consumer, Daphnia, is a well-known model for paleogenetics and resurrection ecology. Nevertheless, paleogenomic investigations are limited largely because resting eggs do not contain enough DNA for genomic sequencing. In fact, genomic studies even on extant populations include a laborious preparatory phase of batch culturing dozens of individuals to generate sufficient genomic DNA...
September 19, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/28919303/acquisition-of-wild-type-hiv-1-infection-in-a-patient-on-pre-exposure-prophylaxis-with-high-intracellular-concentrations-of-tenofovir-diphosphate-a-case-report
#8
Elske Hoornenborg, Maria Prins, Roel C A Achterbergh, Lycke R Woittiez, Marion Cornelissen, Suzanne Jurriaans, Neeltje A Kootstra, Peter L Anderson, Peter Reiss, Henry J C de Vries, Jan M Prins, Godelieve J de Bree
BACKGROUND: Pre-exposure prophylaxis (PrEP) with emtricitabine and tenofovir disoproxil fumarate is highly effective against acquisition of HIV infection, and only two cases of infection with a multidrug-resistant virus have been reported under adequate long-term adherence, as evidenced by tenofovir diphosphate concentrations in dried blood spots. We report a case of wild-type HIV-1 infection despite consistent use of emtricitabine and tenofovir disoproxil fumarate. METHODS: The patient participated in the Amsterdam PrEP project, a demonstration project of daily and event-driven PrEP...
September 14, 2017: Lancet HIV
https://www.readbyqxmd.com/read/28913659/will-gay-and-bisexual-men-taking-oral-pre-exposure-prophylaxis-prep-switch-to-long-acting-injectable-prep-should-it-become-available
#9
Steven A John, Thomas H F Whitfield, H Jonathon Rendina, Jeffrey T Parsons, Christian Grov
Oral pre-exposure prophylaxis (PrEP) is highly effective at reducing HIV transmission risk and is CDC recommended for many gay, bisexual, and other men who have sex with men (GBM). We sought to investigate awareness of and preference for using long-acting injectable PrEP (LAI-PrEP) among GBM currently taking oral PrEP (n = 104), and identify their concerns. About half of GBM had heard of LAI-PrEP, and 30.8% specifically preferred LAI-PrEP. GBM with more concerns about the level of protection and drug half-life of LAI-PrEP had lower odds of preferring LAI-PrEP...
September 14, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28905173/pharmacokinetic-and-tissue-distribution-profile-of-long-acting-tenofovir-alafenamide-and-elvitegravir-loaded-nanoparticles-in-humanized-mice-model
#10
Pavan Kumar Prathipati, Subhra Mandal, Gregory Pon, Renuga Vivekanandan, Christopher J Destache
PURPOSE: Non-adherence to the antiretroviral (ARV) regimen is a critical factor in determining efficacy of ARV drugs for pre-exposure prophylaxis (PrEP). A long-acting parenteral formulation may be an effective alternative to daily oral dosing. A pharmacokinetic and tissue distribution study of drug-loaded nanoparticle (NP) was performed in female humanized CD34(+)-NSG mice. METHODS: Mice received 200 mg/kg each of tenofovir alafenamide (TAF) and elvitegravir (EVG) as free drugs (TAF + EVG solution) or as drug loaded NP (TAF + EVG NP) formulation by subcutaneous (SubQ) administration...
September 13, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28903628/what-motivates-serodiscordant-couples-to-prevent-hiv-transmission-within-their-relationships-findings-from-a-prep-implementation-study-in-kenya
#11
Rena C Patel, Anna M Leddy, Josephine Odoyo, Keerthana Anand, Gaelen Stanford-Moore, Imeldah Wakhungu, Elizabeth A Bukusi, Jared M Baeten, Joelle M Brown
With the planned scale-up of pre-exposure prophylaxis (PrEP) for HIV prevention among serodiscordant couples in resource-limited settings, gaining an understanding of what motivates serodiscordant couples to prevent HIV is critical. We conducted 44 semi-structured, in-depth individual or couple interviews with 63 participants (33 HIV-infected and 30 HIV-uninfected participants) enrolled in a prospective implementation study of oral antiretroviral-based prevention in Kisumu, Kenya. Transcripts were iteratively analysed using inductive content analysis...
September 14, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/28903127/considerations-for-using-the-hiri-msm-screening-tool-to-identify-msm-who-would-benefit-most-from-prep
#12
James Wilton, Sharmistha Mishra, Darrell H S Tan
No abstract text is available yet for this article.
October 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28902857/willingness-to-use-pre-exposure-prophylaxis-for-hiv-prevention-among-men-who-have-sex-with-men-in-malaysia-findings-from-an-online-survey
#13
Sin How Lim, Gitau Mburu, Adam Bourne, Joselyn Pang, Jeffrey A Wickersham, Clayton Koh Thuan Wei, Ilias Adam Yee, Bangyuan Wang, Matteo Cassolato, Iskandar Azwa
OBJECTIVE: We examined willingness to use pre-exposure prophylaxis (PrEP) for HIV prevention among men who have sex with men (MSM) in Malaysia. METHODS: An online survey of 990 MSM was conducted between March and April 2016. Eligibility criteria included being biological male, Malaysian citizen, 18 years of age or above, identifying as MSM, and being HIV negative or unknown status. Participants' demographics, sexual and drug use behaviors, attitudes towards PrEP, and preferences regarding future access to PrEP were collected...
2017: PloS One
https://www.readbyqxmd.com/read/28902704/hiv-pre-exposure-prophylaxis-implementation-at-local-health-departments-a-statewide-assessment-of-activities-and-barriers
#14
Helen L Zhang, Sarah K Rhea, Christopher B Hurt, Victoria L Mobley, Heidi Swygard, Arlene C Seña, Mehri S McKellar
BACKGROUND: Expanding access to HIV pre-exposure prophylaxis (PrEP) could help reduce rates of HIV infection in the United States. This study characterizes activities and barriers to PrEP implementation at local health departments (LHDs) in North Carolina (NC), which contains a large rural population. METHODS: In May 2016, a web-based survey was distributed to health directors of all county and district health departments in NC to assess PrEP-related activities, perceived barriers to PrEP implementation, and desired PrEP-related resources...
September 11, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28902677/disparities-in-awareness-of-hiv-postexposure-and-preexposure-prophylaxis-among-notified-partners-of-hiv-positive-individuals-new-york-city-2015-2017
#15
Kavita Misra, Chi-Chi Udeagu
BACKGROUND: Named sex- or needle-sharing partners of HIV-positive individuals are a priority prevention population due to their known HIV exposure. Understanding postexposure and preexposure prophylaxis (PEP and PrEP) awareness and use among them is important for successful interventions. METHODS: Data from notified partners of HIV-positive individuals (New York City, May 2015-April 2017) were analyzed to describe PEP/PrEP awareness, provider discussion, and use by sociodemographic and risk characteristics...
October 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28902074/plasma-tenofovir-levels-to-support-adherence-to-tdf-ftc-pre-exposure-prophylaxis-for-hiv-prevention-in-msm-in-los-angeles-california
#16
Raphael J Landovitz, Matthew Beymer, Ryan Kofron, K Rivet Amico, Christina Psaros, Lane Bushman, Peter L Anderson, Risa Flynn, David P Lee, Robert K Bolan, Wilbert C Jordan, Chi-Hong Tseng, Rhodri Dierst-Davies, Jim Rooney, Amy Rock Wohl
BACKGROUND: TDF/FTC PrEP is effective against rectal HIV acquisition when taken as prescribed. Strategies that identify and intervene with those challenged by adherence to daily medication are needed. SETTING: PATH-PrEP was an open-label single arm interventional cohort study conducted at 2 community-based clinical sites in Los Angeles, California. METHODS: We enrolled self-identified MSM and TGW ≥18 years of age at elevated risk of HIV acquisition...
September 7, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28902071/the-importance-of-risk-perception-predictors-of-prep-acceptance-among-thai-msm-and-tg-women-at-a-community-based-health-service
#17
Rosalyn Plotzker, Pich Seekaew, Jureeporn Jantarapakde, Supabhorn Pengnonyang, Deondara Trachunthong, Danai Lingjongrat, Surang Janyam, Thitiyanun Nakpor, Sutinee Charoenying, Stephen Mills, Ravipa Vannakit, Michael Cassell, Praphan Phanuphak, Cheewanan Lertpiriyasuwat, Nittaya Phanuphak
BACKGROUND: HIV prevalence among Thai men who have sex with men (MSM) and transgender women (TG) are 9.15% and 11.8% respectively, compared to 1.1% in the general population. To better understand early adopters of Pre-Exposure Prophylaxis (PrEP) in Thailand, we analyzed bio-behavioral and socio-demographic characteristics of PrEP-eligible MSM and TG. SETTING: Four Thai urban community clinics between October 2015 and February 2016 METHODS:: Socio-demographics, HIV risk characteristics, and PrEP knowledge and attitudes, were analyzed in association with PrEP initiation among eligible Thai MSM and TG...
September 7, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28899162/high-levels-of-viral-suppression-among-east-african-hiv-infected-women-and-men-in-serodiscordant-partnerships-initiating-antiretroviral-therapy-with-high-cd4-counts-and-during-pregnancy
#18
Andrew Mujugira, Jared Baeten, Lara Kidoguchi, Jessica Haberer, Connie Celum, Deborah Donnell, Kenneth Ngure, Elizabeth Bukusi, Nelly Mugo, Stephen Asiimwe, Josephine Odoyo, Edna Tindimwebwa, Nulu Bulya, Elly Katabira, Renee Heffron
BACKGROUND: People who are asymptomatic and feel healthy, including pregnant women, may be less motivated to initiate ART or achieve high adherence. We assessed whether ART initiation, and viral suppression 6, 12 and 24-months after ART initiation, were lower in HIV-infected members of serodiscordant couples who initiated during pregnancy or with higher CD4 counts. METHODS: We used data from the Partners Demonstration Project, an open-label study of the delivery of integrated PrEP and ART (at any CD4 count) for HIV prevention among high-risk HIV serodiscordant couples in Kenya and Uganda...
September 13, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28898491/skin-denervation-does-not-alter-cortical-potentials-to-surface-concentric-electrode-stimulation-a-comparison-with-laser-evoked-potentials-and-contact-heat-evoked-potentials
#19
S La Cesa, G Di Stefano, C Leone, A Pepe, E Galosi, F Alu, A Fasolino, G Cruccu, M Valeriani, A Truini
BACKGROUND: In the neurophysiological assessment of patients with neuropathic pain, laser evoked potentials (LEPs), contact heat evoked potentials (CHEPs) and the evoked potentials by the intraepidermal electrical stimulation via concentric needle electrode are widely agreed as nociceptive specific responses; conversely, the nociceptive specificity of evoked potentials by surface concentric electrode (SE-PREPs) is still debated. METHODS: In this neurophysiological study we aimed at verifying the nociceptive specificity of SE-PREPs...
September 12, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28894986/fertility-intentions-pregnancy-and-use-of-prep-and-art-for-safer-conception-among-east-african-hiv-serodiscordant-couples
#20
Renee Heffron, Kerry Thomson, Connie Celum, Jessica Haberer, Kenneth Ngure, Nelly Mugo, Elizabeth Bukusi, Elly Katabira, Josephine Odoyo, Nulu Bulya, Stephen Asiimwe, Edna Tindimwebwa, Jared M Baeten
African HIV serodiscordant couples often desire pregnancy, despite sexual HIV transmission risk during pregnancy attempts. Pre-exposure prophylaxis (PrEP) and antiretroviral therapy (ART) reduce HIV risk and can be leveraged for safer conception but how well these strategies are used for safer conception is not known. We conducted an open-label demonstration project of the integrated delivery of PrEP and ART among 1013 HIV serodiscordant couples from Kenya and Uganda followed quarterly for 2 years. We evaluated fertility intentions, pregnancy incidence, the use of PrEP and ART during peri-conception, and peri-conception HIV incidence...
September 11, 2017: AIDS and Behavior
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