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https://www.readbyqxmd.com/read/28943403/iphloc-es-identification-of-bacteriophage-protein-locations-using-evolutionary-and-structural-features
#1
Swakkhar Shatabda, Sanjay Saha, Alok Sharma, Abdollah Dehzangi
Bacteriophage proteins are viruses that can significantly impact on the functioning of bacteria and can be used in phage based therapy. The functioning of Bacteriophage in the host bacteria depends on its location in those host cells. It is very important to know the subcellular location of the phage proteins in a host cell in order to understand their working mechanism. In this paper, we propose iPHLoc-ES, a prediction method for subcellular localization of bacteriophage proteins. We aim to solve two problems: discriminating between host located and non-host located phage proteins and discriminating between the locations of host located protein in a host cell (membrane or cytoplasm)...
September 21, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28943324/the-society-for-immunotherapy-of-cancer-biomarkers-task-force-recommendations-review
#2
REVIEW
Lisa H Butterfield
The clinical successes in cancer immunotherapy have led to a critical need for biomarkers in cancer immunotherapy. It is of the utmost importance to know who is most likely to benefit from these therapies (predictive biomarkers) but also who is starting to respond (prognostic biomarkers) and how the therapy functions in order to make rational combination choices (mechanism of action biomarkers). The Society for Immunotherapy of Cancer (SITC) Biomarkers Task Force addressed the state of the art and made a series of recommendations for the field, which is summarized here...
September 21, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28942522/hiv-1-genetic-diversity-geographical-linkages-and-antiretroviral-drug-resistance-among-individuals-from-pakistan
#3
Saeed Khan, Maria Zahid, Muhammad Asif Qureshi, Muhammad Nouman Mughal, Ikram Din Ujjan
Worldwide antiretroviral therapy (ART) has reduced the mortality and morbidity rates in individuals with HIV infection. However, the increasing occurrence of drug resistance is limiting treatment options. In recent years, Pakistan has witnessed a concentrated epidemic of HIV. It is very important to identify geographical linkages and mutations that generate selective pressure and drive resistance of HIV in our population. The aim of this work was to identify genetic diversity and drug resistance patterns of HIV in Pakistan, using available sequences and bioinformatics tools, which may help in selecting effective combination of available drugs...
September 23, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28942382/transcatheter-aortic-valve-implantation-in-2017-state-of-the-art
#4
Marco Barbanti, John G Webb, Martine Gilard, Davide Capodanno, Corrado Tamburino
In the last 15 years, transcatheter aortic valve implantation (TAVI) technology has met with rapid uptake, with >350,000 procedures performed in >70 countries. Over the same period, this technique has evolved from a challenging intervention to a standardised, simple, and streamlined procedure. The purpose of this review article is to provide an overview on the rapidly changing field of TAVI therapy, exploring past achievements, current issues and future perspectives. The discussion has been subdivided into three sections: 1) the evolution of clinical and anatomical indications for TAVI, 2) the description of procedural advances and complication rate trends over time, and 3) the progressive adoption of a minimalist approach...
September 24, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28939336/-evaluation-and-results-of-ablative-therapies-in-prostate-cancer
#5
R Renard-Penna, R Sanchez-Salas, E Barret, J M Cosset, S de Vergie, J Sapetti, A Ingels, A Gangi, H Lang, X Cathelineau
OBJECTIVE: To perform a state of the art about methods of evaluation and present results in ablative therapies for localized prostate cancer. METHODS: A review of the scientific literature was performed in Medline database (http://www.ncbi.nlm.nih.gov) and Embase (http://www.embase.com) using different associations of keywords. Publications obtained were selected based on methodology, language and relevance. After selection, 102 articles were analysed. RESULTS: Analyse the results of ablative therapies is presently difficult considering the heterogeneity of indications, techniques and follow-up...
September 19, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28939001/mortality-under-plausible-interventions-on-antiretroviral-treatment-and-depression-in-hiv-infected-women-an-application-of-the-parametric-g-formula
#6
Catherine R Lesko, Jonathan V Todd, Stephen R Cole, Andrew Edmonds, Brian W Pence, Jessie K Edwards, Wendy J Mack, Peter Bacchetti, Anna Rubtsova, Stephen J Gange, Adaora A Adimora
PURPOSE: Among HIV-infected persons, antiretroviral therapy (ART) and depression are strongly associated with mortality. We estimated reductions in 5-year mortality in Women's Interagency HIV Study participants under plausible hypothetical increases in ART initiation and reductions in depression (CES-D score≥16). METHODS: We followed 885 ART-naïve Women's Interagency HIV Study participants for 5 years from their first study visit after April 1998 to death or censoring...
September 5, 2017: Annals of Epidemiology
https://www.readbyqxmd.com/read/28938592/visible-light-sensitive-titanium-dioxide-nanoplatform-for-tumor-responsive-fe2-liberating-and-artemisinin-delivery
#7
Huijuan Zhang, Hongling Zhang, Xing Zhu, Xiaoge Zhang, Qianqian Chen, Jianjiao Chen, Lin Hou, Zhenzhong Zhang
Artemisinin is a kind of Fe(2+)-dependent drugs. Artemisinin and Fe(2+) co-transport systems can improve its anti-tumor effect. In this study, a visible light-sensitive nanoplatform (HA-TiO2-IONPs/ART) was developed. Detailed investigation demonstrated that HA-TiO2-IONPs/ART could realize Fe(2+) and artemisinin synchronous co-delivery and tumor-responsive release. This feature enhanced the anti-tumor efficiency of artemisinin significantly. In vitro results proved that hyaluronic acid modification could improve the biocompatibility, dispersion stability and cytophagy ability of nanocarriers...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28936485/a-randomized-controlled-trial-of-lisinopril-to-decrease-lymphoid-fibrosis-in-antiretroviral-treated-hiv-infected-individuals
#8
Leslie R Cockerham, Steven A Yukl, Kara Harvill, Ma Somsouk, Sunil K Joshi, Elizabeth Sinclair, Teri Liegler, Rebecca Hoh, Sophie Lyons, Peter W Hunt, Adam Rupert, Irini Sereti, David R Morcock, Ajantha Rhodes, Claire Emson, Marc K Hellerstein, Jacob D Estes, Sharon Lewin, Steven G Deeks, Hiroyu Hatano
BACKGROUND: In HIV infection, lymphoid tissue is disrupted by fibrosis. Angiotensin converting enzyme inhibitors have anti-fibrotic properties. We completed a pilot study to assess whether the addition of lisinopril to antiretroviral therapy (ART) reverses fibrosis of gut tissue, and whether this leads to reduction of HIV RNA and DNA levels. METHODS: Thirty HIV-infected individuals on ART were randomized to lisinopril at 20mg daily or matching placebo for 24 weeks...
2017: Pathogens & Immunity
https://www.readbyqxmd.com/read/28935146/effect-of-chocolate-and-mate-tea-on-the-lipid-profile-of-individuals-with-hiv-aids-on-antiretroviral-therapy-a-clinical-trial
#9
Suelen J Souza, Aline A Petrilli, Andrea M Teixeira, Patricia M Pontilho, Antonio A Carioca, Liania A Luzia, José M Souza, Nágila R Damasceno, Aluisio A Segurado, Patricia H Rondó
OBJECTIVE: HIV/AIDS is generally associated with dyslipidemia and oxidative imbalance, which are caused by the infection itself and by antiretroviral therapy (ART). The flavonoids, found in cocoa and yerba mate, have antioxidant and hypolipidemic properties. The aim of this study was to evaluate the effects of the consumption of dark chocolate and mate tea on the lipid profiles of individuals with HIV/AIDS who are undergoing ART. METHODS: A randomized, double-blind, placebo-controlled crossover clinical trial was conducted with 92 patients receiving ART for ≥6 mo and with viral suppression...
November 2017: Nutrition
https://www.readbyqxmd.com/read/28934872/a-structural-equation-model-of-patient-healthcare-provider-relationships-and-hiv-infected-patient-outcomes-in-chinese-populations
#10
Wei-Ti Chen, Chengshi Shiu, Joyce P Yang, Peing Chuang, Lin Zhang, Meijuan Bao, Hongzhou Lu
Obtaining maximum antiretroviral therapy (ART) adherence is critical for maintaining a high CD4 count and strong immune function in PLWHA. Key factors for achieving optimum adherence include good medication self-efficacy, decreased medication-taking difficulties, and positive patient-healthcare provider (HCP) relationships. Limited studies have analyzed the correlation of these factors and ART adherence in Chinese population. In this paper, structural equation modeling was performed to assess the proposed model of relations between patient-HCP relationships and adherence...
September 21, 2017: AIDS Care
https://www.readbyqxmd.com/read/28934369/in-vivo-activation-of-latent-hiv-with-a-synthetic-bryostatin-analog-effects-both-latent-cell-kick-and-kill-in-strategy-for-virus-eradication
#11
Matthew D Marsden, Brian A Loy, Xiaomeng Wu, Christina M Ramirez, Adam J Schrier, Danielle Murray, Akira Shimizu, Steven M Ryckbosch, Katherine E Near, Tae-Wook Chun, Paul A Wender, Jerome A Zack
The ability of HIV to establish a long-lived latent infection within resting CD4+ T cells leads to persistence and episodic resupply of the virus in patients treated with antiretroviral therapy (ART), thereby preventing eradication of the disease. Protein kinase C (PKC) modulators such as bryostatin 1 can activate these latently infected cells, potentially leading to their elimination by virus-mediated cytopathic effects, the host's immune response and/or therapeutic strategies targeting cells actively expressing virus...
September 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28933705/durability-of-antiretroviral-therapy-regimens-and-determinants-for-change-in-hiv-1-infected-patients-in-the-treat-asia-hiv-observational-database-tahod-lite
#12
Rosario Martinez-Vega, Nicole L De La Mata, Nagalingeswaran Kumarasamy, Penh Sun Ly, Kinh Van Nguyen, Tuti P Merati, Thi Thanh Pham, Man Po Lee, Jun Yong Choi, Jeremy L Ross, Oon Tek Ng
BACKGROUND: The durability of first line regimen is important to achieve long term treatment success for the management of HIV infection. Our analysis describes the duration of sequential ART regimens and identifies the determinants leading to treatment change in HIV-positive patients initiating in Asia. METHODS: All HIV-positive adult patients initiating first-line ART in 2003-2013, from eight clinical sites among seven countries in Asia. Patient follow-up was to May 2014...
September 21, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28933294/biodegradable-black-phosphorus-based-nanomaterials-in-biomedicine-theranostic-applications
#13
Zhen Wang, Zhiming Liu, Chengkang Su, Biwen Yang, Xixi Fei, Yi Li, Yuqing Hou, Henan Zhao, Yanxian Guo, Zhengfei Zhuang, Huiqing Zhong, Zhouyi Guo
Ascribe to the unique two-dimensional planar nanostructure with exceptional physical and chemical properties, black phosphorous (BP) as the emerging inorganic two-dimensional nanomaterial with high biocompatibility and degradability has been becoming one of the most promising materials of great potentials in biomedicine. The exfoliated BP sheets possess ultra-high surface area available for valid bio-conjugation and molecular loading for chemotherapy. Utilizing the intrinsic near-infrared optical absorbance, BP-based photothermal therapy in vivo, photodynamic therapy and biomedical imaging has been realized, achieving unprecedented anti-tumor therapeutic efficacy in animal experiments...
September 20, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28933222/altered-hippocampal-neurogenesis-during-the-first-7-days-after-a-fluid-percussion-traumatic-brain-injury
#14
Lee A Shapiro
Traumatic brain injury (TBI) is a devastating disorder causing negative outcomes in millions of people each year. Despite the alarming number of brain injuries and the long-term detrimental outcomes that can be associated with TBI, treatment options are lacking. Extensive investigation is underway, in hopes of identifying effective treatment strategies. Among the most state-of-the-art strategies is cell replacement therapy. TBI is a seemingly good candidate for cell replacement studies because there is often loss of neurons...
July 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28931222/the-role-of-human-immunodeficiency-virus-associated-vasculopathy-in-the-etiology-of-stroke
#15
Laura A Benjamin, Theresa J Allain, Henry Mzinganjira, Myles D Connor, Colin Smith, Sebastian Lucas, Elizabeth Joekes, Sam Kampondeni, Karen Chetcuti, Ian Turnbull, Mark Hopkins, Steve Kamiza, Elizabeth L Corbett, Robert S Heyderman, Tom Solomon
Background: Human immunodeficiency virus (HIV) infection is a recognized risk factor for stroke among young populations, but the exact mechanisms are poorly understood. We studied the clinical, radiologic, and histologic features of HIV-related ischemic stroke to gain insight into the disease mechanisms. Methods: We conducted a prospective, in-depth analysis of adult ischemic stroke patients presenting to Queen Elizabeth Central Hospital, Blantyre, Malawi, in 2011...
September 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28931091/mt-cell-responses-targeting-hiv-nef-uniquely-correlate-with-infected-cell-frequencies-after-long-term-antiretroviral-therapy
#16
Allison S Thomas, Kimberley L Jones, Rajesh T Gandhi, Deborah K McMahon, Joshua C Cyktor, Dora Chan, Szu-Han Huang, Ronald Truong, Alberto Bosque, Amanda B Macedo, Colin Kovacs, Erika Benko, Joseph J Eron, Ronald J Bosch, Christina M Lalama, Samuel Simmens, Bruce D Walker, John W Mellors, R Brad Jones
HIV-specific CD8+ T-cell responses limit viral replication in untreated infection. After the initiation of antiretroviral therapy (ART), these responses decay and the infected cell population that remains is commonly considered to be invisible to T-cells. We hypothesized that HIV antigen recognition may persist in ART-treated individuals due to low-level or episodic protein expression. We posited that if persistent recognition were occurring it would be preferentially directed against the early HIV gene products Nef, Tat, and Rev as compared to late gene products, such as Gag, Pol, and Env, which have higher barriers to expression...
September 20, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28930252/qigong-and-fibromyalgia-circa-2017
#17
REVIEW
Jana Sawynok, Mary E Lynch
Qigong is an internal art practice with a long history in China. It is currently characterized as meditative movement (or as movement-based embodied contemplative practice), but is also considered as complementary and alternative exercise or mind-body therapy. There are now six controlled trials and nine other reports on the effects of qigong in fibromyalgia. Outcomes are related to amount of practice so it is important to consider this factor in overview analyses. If one considers the 4 trials (201 subjects) that involve diligent practice (30-45 min daily, 6-8 weeks), there are consistent benefits in pain, sleep, impact, and physical and mental function following the regimen, with benefits maintained at 4-6 months...
June 6, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930092/a-monte-carlo-study-to-assess-the-effect-of-1-5t-magnetic-fields-on-the-overall-robustness-of-pencil-beam-scanning-proton-radiotherapy-plans-for-prostate-cancer
#18
Christopher Kurz, Guillaume Landry, Andreas Franz Resch, Georgios Dedes, Florian Kamp, Ute Ganswindt, Claus Belka, Bas W Raaymakers, Katia Parodi
Combining magnetic-resonance imaging (MRI) and proton therapy (PT) using pencil-beam scanning (PBS) may improve image-guided radiotherapy. We aimed at assessing the impact of a magnetic field on PBS-PT plan quality and robustness. Specifically, the robustness against anatomical changes and positioning errors in an MRI-guided scenario with a 30 cm radius 1.5 T magnetic field was studied for prostate PT. Five prostate cancer patients with three consecutive CT images (CT1-3) were considered. Single-field uniform dose PBS-PT plans were generated on the segmented CT1 with Monte-Carlo-based treatment planning software for inverse optimization...
September 20, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28930059/the-role-of-alcohol-on-antiretroviral-therapy-adherence-among-persons-living-with-hiv-in-urban-india
#19
Stephen L Schensul, Toan Ha, Jean J Schensul, Melita Vaz, Rajendra Singh, Joseph A Burleson, Kendall Bryant
OBJECTIVE: The purpose of this study was to estimate the prevalence of alcohol use among men living with HIV on antiretroviral therapy (ART) and examine the association of alcohol use and psychosocial variables on ART adherence. The study was a cross-sectional survey supplemented by medical records and qualitative narratives as a part of the initial formative stage of a multilevel, multicentric intervention and evaluation project. METHOD: A screening instrument was administered to men living with HIV (n = 3,088) at four ART Centers using the Alcohol Use Disorders Identification Test-consumption questions (AUDIT-C) to determine alcohol use for study eligibility...
September 2017: Journal of Studies on Alcohol and Drugs
https://www.readbyqxmd.com/read/28929430/new-drugs-in-the-pipeline-for-the-treatment-of-hiv-a-review
#20
REVIEW
Leigh Anne Hylton Gravatt, Crystal R Leibrand, Sulay Patel, MaryPeace McRae
PURPOSE OF REVIEW: The purpose of this paper is to review therapies with new mechanisms of action for the treatment of HIV that are at least in phase 2 clinical trials. RECENT FINDINGS: There are several new mechanisms of action being represented within clinical development, including histone deacetylase (HDAC) inhibitors, gene therapies, broadly neutralizing anti-HIV antibodies, immune modulation, and drugs with new mechanisms to block HIV entry. The new therapies are being developed for both as add-on therapy to existing combination antiretroviral therapy and as agents to be used during treatment interruption...
September 19, 2017: Current Infectious Disease Reports
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