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https://www.readbyqxmd.com/read/27898590/reactivation-of-simian-immunodeficiency-virus-reservoirs-in-the-brain-of-virally-suppressed-macaques
#1
Lucio Gama, Celina M Abreu, Erin N Shirk, Sarah L Price, Ming Li, Greg M Laird, Kelly A Metcalf Pate, Stephen W Wietgrefe, Shelby L O'Connor, Luiz Pianowski, Ashley T Haase, Carine Van Lint, Robert F Siliciano, Janice E Clements
OBJECTIVE: Resting CD4 T cells have been recognized as the major cell reservoir of latent HIV-1 during antiretroviral therapy (ART). Using an simian immunodeficiency virus (SIV)/macaque model for AIDS and HIV-related neurocognitive disorders we assessed the contribution of the brain to viral latency and reactivation. DESIGN: Pigtailed macaques were dual inoculated with SIVDeltaB670 and SIV17E-Fr and treated with an efficacious central nervous system-penetrant ART...
January 2, 2017: AIDS
https://www.readbyqxmd.com/read/27890182/imaging-of-perineural-spread-in-head-and-neck-cancer
#2
REVIEW
David Badger, Nafi Aygun
Perineural spread (PNS) of tumor is a recognized pattern of metastasis occurring in the head and neck. Imaging plays a critical role in identifying PNS for adequate staging and treatment planning. Understanding the major branches and pathways of cranial nerves V and VII, key anatomic landmarks, interconnections between these nerves, and pearls and pitfalls of PNS imaging can aid in early detection, appropriate therapy, and the best possible chance for cure.
January 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27880011/shear-bond-strength-of-repair-systems-to-new-cad-cam-restorative-materials
#3
Özlem Üstün, Işıl Keçik Büyükhatipoğlu, Aslı Seçilmiş
PURPOSE: To evaluate the bond strength of repair systems (Ceramic Repair, Clearfil Repair) to computer-aided design/computer-assisted machining (CAD/CAM) restorative materials (IPS e.max CAD, Vita Suprinity, Vita Enamic, Lava Ultimate). MATERIALS AND METHODS: Thermally aged CAD/CAM restorative material specimens (5000 cycles between 5°C and 55°C) were randomly divided into two groups according to the repair system: Ceramic Repair (37% phosphoric acid + Monobond-S + Heliobond + Tetric N Ceram) or Clearfil Repair (40% phosphoric acid + mixture of Clearfil Porcelain Bond Activator and Clearfil SE Bond Primer + Clearfil SE Bond + Filtek Z250)...
November 23, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/27869733/antiviral-therapy-by-hiv-1-broadly-neutralizing-and-inhibitory-antibodies
#4
REVIEW
Zhiqing Zhang, Shaowei Li, Ying Gu, Ningshao Xia
Human immunodeficiency virus type 1 (HIV-1) infection causes acquired immune deficiency syndrome (AIDS), a global epidemic for more than three decades. HIV-1 replication is primarily controlled through antiretroviral therapy (ART) but this treatment does not cure HIV-1 infection. Furthermore, there is increasing viral resistance to ART, and side effects associated with long-term therapy. Consequently, there is a need of alternative candidates for HIV-1 prevention and therapy. Recent advances have discovered multiple broadly neutralizing antibodies against HIV-1...
November 18, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27854121/a-cure-for-aids
#5
Jeffrey Laurence
No abstract text is available yet for this article.
December 2016: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/27854119/clinical-applications-of-genome-editing-to-hiv-cure
#6
Cathy X Wang, Paula M Cannon
Despite significant advances in HIV drug treatment regimens, which grant near-normal life expectancies to infected individuals who have good virological control, HIV infection itself remains incurable. In recent years, novel gene- and cell-based therapies have gained increasing attention due to their potential to provide a functional or even sterilizing cure for HIV infection with a one-shot treatment. A functional cure would keep the infection in check and prevent progression to AIDS, while a sterilizing cure would eradicate all HIV viruses from the patient...
December 2016: AIDS Patient Care and STDs
https://www.readbyqxmd.com/read/27797589/targeting-of-amp-activated-protein-kinase-prospects-for-computer-aided-drug-design
#7
Joungmok Kim, Goowon Yang, Joohun Ha
Dysregulation of energy homeostasis has been implicated in a number of human chronic diseases including diabetes, obesity, cancer, and inflammation. Given the functional attributes as a central regulator of energy homeostasis, AMP-activated protein kinase (AMPK) is emerging as a therapeutic target for these diseases, and lines of evidence have highlighted the need for rational and robust screening systems for identifying specific AMPK modulators with a therapeutic potential for preventing and/or curing these diseases...
October 31, 2016: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/27790589/the-soft-palate-friendly-speech-bulb-for-velopharyngeal-insufficiency
#8
Sukhdeep Singh Kahlon, Monaliza Kahlon, Shilpa Gupta, Parvinder Singh Dhingra
Velopharyngeal insufficiency is an anatomic defect of the soft palate making palatopharyngeal sphincter incomplete. It is an important concern to address in patients with bilateral cleft lip and palate. Speech aid prosthesis or speech bulbs are best choice in cases where surgically repaired soft palate is too short to contact pharyngeal walls during function but these prosthesis have been associated with inadequate marginal closure, ulcerations and patient discomfort. Here is a case report of untreated bilateral cleft lip and palate associated with palatal insufficiency treated by means of palate friendly innovative speech bulb...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27755112/can-research-at-the-end-of-life-be-a-useful-tool-to-advance-hiv-cure
#9
Sara Gianella, Jeff Taylor, Timothy R Brown, Andy Kaytes, Cristian L Achim, David J Moore, Susan J Little, Ronald J Ellis, Davey M Smith
No abstract text is available yet for this article.
January 2, 2017: AIDS
https://www.readbyqxmd.com/read/27752175/-quantitative-evaluation-of-fabricating-complete-denture-by-computer-numerical-control-in-manufacturing-dentition-and-baseplate-separately-plus-adhesive-molding
#10
H Wang, P J Lv, Y Wang, Y C Sun
OBJECTIVE: To quantitatively evaluate the assembly precision of fabricating complete denture by computer numerical control (CNC) in manufacturing dentition and baseplate separately plus adhesive molding. METHODS: The 3D surface data of a standard edentulous maxilla plaster cast model and the temporary base-plate were obtained using an Activity 880 3D scanner. The data (data1) of a complete denture were designed using a set of computer aided design (CAD) software developed by the research group of this study...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/27749600/talen-mediated-knockout-of-ccr5-confers-protection-against-infection-of-human-immunodeficiency-virus
#11
Bingjie Shi, Juan Li, Xuanling Shi, Wenxu Jia, Yi Wen, Xiongbing Hu, Fengfeng Zhuang, Jianzhong Xi, Linqi Zhang
Transcription activator-like effector nuclease (TALEN) represents a valuable tool for genomic engineering due to its single-nucleotide precision, high nuclease activity and low cytotoxicity. We report here systematic design and characterization of twenty eight novel TALENs targeting multiple regions of CCR5 gene (CCR5-TALEN) which encodes the co-receptor critical for entry of human immunodeficiency virus type I (HIV-1). By systemic characterization of these CCR5-TALENs, we have identified one (CCR5-TALEN-515) with higher nuclease activity, specificity and lower cytotoxicity compared to zinc-finger nuclease (CCR5-ZFN) currently undergoing clinical trials...
October 3, 2016: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/27746784/targeting-the-brain-reservoirs-toward-an-hiv-cure
#12
Céline Marban, Faezeh Forouzanfar, Amina Ait-Ammar, Faiza Fahmi, Hala El Mekdad, Fadoua Daouad, Olivier Rohr, Christian Schwartz
One of the top research priorities of the international AIDS society by the action "Towards an HIV Cure" is the purge or the decrease of the pool of all latently infected cells. This strategy is based on reactivation of latently reservoirs (the shock) followed by an intensifying combination antiretroviral therapy (cART) to kill them (the kill). The central nervous system (CNS) has potential latently infected cells, i.e., perivascular macrophages, microglial cells, and astrocytes that will need to be eliminated...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27735870/a-high-content-screening-assay-to-identify-compounds-with-anti-epithelial-mesenchymal-transition-effects-from-the-chinese-herbal-medicine-tong-mai-yang-xin-wan
#13
Ningning Liu, Lailai Li, Xin Zhu, Zhiqiang Ling, Jianguo Feng, Ying Hu, Yi Wang, Lijun Mou, Yi Wang
Chronic kidney disease (CKD) is a worldwide health problem with growing prevalence in developing countries. Renal tubular epithelial-mesenchymal transition (EMT) is a critical step and key factor in the development of this condition. Renal tubulointerstitial fibrosis is a basic pathological change at the later stages of the disease. Therefore, blocking the development of EMT could be a critical factor in curing CKD. We have established a cell-based high-content screening (HCS) method to identify inhibitors of EMT in human proximal tubular epithelial (HK-2) cells by automatic acquisition and processing of dual-fluorescent labeled images...
October 10, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27709137/recent-trends-on-hydrogel-based-drug-delivery-systems-for-infectious-diseases
#14
Arti Vashist, Ajeet Kaushik, Atul Vashist, Rahul Dev Jayant, Asahi Tomitaka, Sharif Ahmad, Y K Gupta, Madhavan Nair
Since centuries, the rapid spread and cure of infectious diseases have been a major concern to the progress and survival of humans. These diseases are a global burden and the prominent cause for worldwide deaths and disabilities. Nanomedicine has emerged as the most excellent tool to eradicate and halt their spread. Various nanoformulations (NFs) using advanced nanotechnology are in demand. Recently, hydrogel and nanogel based drug delivery devices have posed new prospects to simulate the natural intelligence of various biological systems...
October 18, 2016: Biomaterials Science
https://www.readbyqxmd.com/read/27703672/ending-the-hiv-aids-epidemic-in-low-and-middle-income-countries-by-2030-is-it-possible
#15
Anthony D Harries, Amitabh B Suthar, Kudakwashe C Takarinda, Hannock Tweya, Nang Thu Thu Kyaw, Katie Tayler-Smith, Rony Zachariah
The international community has committed to ending the epidemics of HIV/AIDS, tuberculosis, malaria, and neglected tropical infections by 2030, and this bold stance deserves universal support. In this paper, we discuss whether this ambitious goal is achievable for HIV/AIDS and what is needed to further accelerate progress. The joint United Nations Program on HIV/AIDS (UNAIDS) 90-90-90 targets and the related strategy are built upon currently available health technologies that can diagnose HIV infection and suppress viral replication in all people with HIV...
2016: F1000Research
https://www.readbyqxmd.com/read/27701153/electrospun-fibers-for-drug-delivery-after-spinal-cord-injury-and-the-effects-of-drug-incorporation-on-fiber-properties
#16
Christopher D L Johnson, Anthony R D'Amato, Ryan J Gilbert
There is currently no cure for individuals with spinal cord injury (SCI). While many promising approaches are being tested in clinical trials, the complexity of SCI limits several of these approaches from aiding complete functional recovery. Several different categories of biomaterials are investigated for their ability to guide axonal regeneration, to deliver proteins or small molecules locally, or to improve the viability of transplanted stem cells. The purpose of this study is to provide a brief overview of SCI, present the different categories of biomaterial scaffolds that direct and guide axonal regeneration, and then focus specifically on electrospun fiber guidance scaffolds...
2016: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/27689836/blue-light-transmittance-of-esthetic-monolithic-cad-cam-materials-with-respect-to-their-composition-thickness-and-curing-conditions
#17
B Stawarczyk, D Awad, N Ilie
Determining the amount of blue light (360-540nm) passing through nine monolithic computer-aided design/computer-aided manufacturing (CAD/CAM) materials depends on material thickness, initial irradiance, and the distance between the curing unit and the specimen's surface. A total of 180 specimens of two thicknesses (1 mm and 2 mm, n=10/subgroup) were fabricated from TelioCAD, VITA CAD-Temp (VCT), experimental nanocomposite, LAVA Ultimate (LU), VITA ENAMIC (VE), VITA MarkII (VM), IPS EmpressCAD (IEC), IPS e.maxCAD (IEM), and CELTRA DUO (CD)...
September 2016: Operative Dentistry
https://www.readbyqxmd.com/read/27678076/a-drug-target-slim-using-gene-ontology-and-gene-ontology-annotations-to-navigate-protein-ligand-target-space-in-chembl
#18
Prudence Mutowo, A Patrícia Bento, Nathan Dedman, Anna Gaulton, Anne Hersey, Jane Lomax, John P Overington
BACKGROUND: The process of discovering new drugs is a lengthy, time-consuming and expensive process. Modern day drug discovery relies heavily on the rapid identification of novel 'targets', usually proteins that can be modulated by small molecule drugs to cure or minimise the effects of a disease. Of the 20,000 proteins currently reported as comprising the human proteome, just under a quarter of these can potentially be modulated by known small molecules Storing information in curated, actively maintained drug discovery databases can help researchers access current drug discovery information quickly...
September 27, 2016: Journal of Biomedical Semantics
https://www.readbyqxmd.com/read/27677161/topical-gentian-violet-compared-with-nystatin-oral-suspension-for-the-treatment-of-oropharyngeal-candidiasis-in-hiv-1-infected-participants
#19
Pranab K Mukherjee, Huichao Chen, Lauren L Patton, Scott Evans, Anthony Lee, Johnstone Kumwenda, James Hakim, Gaerolwe Masheto, Frederick Sawe, Mai T Pho, Kenneth A Freedberg, Caroline H Shiboski, Mahmoud A Ghannoum, Robert A Salata
OBJECTIVE: Compare the safety and efficacy of topical gentian violet with that of nystatin oral suspension (NYS) for the treatment of oropharyngeal candidiasis in HIV-1-infected adults in resource-limited settings. DESIGN: Multicenter, open-label, evaluator-blinded, randomized clinical trial at eight international sites, within the AIDS Clinical Trials Group. STUDY PARTICIPANTS AND INTERVENTION: Adult HIV-infected participants with oropharyngeal candidiasis, stratified by CD4 cell counts and antiretroviral therapy status at study entry, were randomized to receive either gentian violet (0...
January 2, 2017: AIDS
https://www.readbyqxmd.com/read/27662554/reactivation-of-siv-reservoirs-in-the-brain-of-virally-suppressed-macaques
#20
Lucio Gama, Celina M Abreu, Erin N Shirk, Sarah L Price, Ming Li, Greg M Laird, Kelly A Metcalf Pate, Stephen W Wietgrefe, Shelby L O'connor, Luiz Pianowski, Ashley T Haase, Carine Van Lint, Robert F Siliciano, Janice E Clements, Dummy Authors
OBJECTIVE: Resting CD4+ T cells have been recognized as the major cell reservoir of latent HIV-1 during antiretroviral therapy (ART). Using an SIV/macaque model for AIDS and HIV-related neurocognitive disorders we assessed the contribution of the brain to viral latency and reactivation. DESIGN: Pigtailed macaques were dual inoculated with SIVDeltaB670 and SIV17E-Fr and treated with an efficacious CNS-penetrant ART. After 500 days of viral suppression animals were treated with two cycles of latency reversing agents (LRAs) and increases in viral transcripts were examined...
September 20, 2016: AIDS
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