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https://www.readbyqxmd.com/read/28738270/chemical-structure-and-correlation-analysis-of-hiv-1-nnrt-and-nrt-inhibitors-and-database-curated-published-inhibition-constants-with-chemical-structure-in-diverse-datasets
#1
Birgit Viira, Alfonso T García-Sosa, Uko Maran
Human immunodeficiency virus (HIV-1) reverse transcriptase is a major target for designing anti-HIV drugs. Developed inhibitors are divided into non-nucleoside analog reverse-transcriptase inhibitors (NNRTIs) and nucleoside analog reverse-transcriptase inhibitors (NRTIs) depending on their mechanism. Given that many inhibitors have been studied and for many of them binding affinity constants have been calculated, it is beneficial to analyze the chemical landscape of these families of inhibitors and correlate these inhibition constants with molecular structure descriptors...
June 24, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28737365/vim-thalamotomy-in-the-treatment-of-holmes-tremor-secondary-to-hiv-associated-midbrain-lesion-a-case-report
#2
José O Oliveira, Soraya A Jorge Cecilio, Matheus Fernandes Oliveira, Leonardo R Takahashi, Alexandro R Galassi, Vanessa M Holanda, José M Rotta
Holmes' tremor (rubral tremor, cerebellar outflow tremor) is characterized by rest, intention and postural tremor, often localized to one upper extremity, associated with ipsilateral dysmetria and dysdiadochokinesia. We describe a case of successful treatment of Holmes' tremor with unilateral nucleus ventralis intermedius (VIM) thalamotomy. The subject is a 43-year-old woman with unremarkable previous medical history. She presented with complete left hemiparesis in the context of human immunodeficiency syndrome and the magnetic resonance image disclosed a contrast-enhancing lesion in right brain peduncle, in topography of red nucleus...
October 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28737040/potential-of-small-molecule-fungal-metabolites-in-antiviral-chemotherapy
#3
Biswajit G Roy
Various viral diseases, such as acquired immunodeficiency syndrome, influenza, and hepatitis, have emerged as leading causes of human death worldwide. Scientific endeavor since invention of DNA-dependent RNA polymerase of pox virus in 1967 resulted in better understanding of virus replication and development of various novel therapeutic strategies. Despite considerable advancement in every facet of drug discovery process, development of commercially viable, safe, and effective drugs for these viruses still remains a big challenge...
July 23, 2017: Antiviral Chemistry & Chemotherapy
https://www.readbyqxmd.com/read/28736100/consensus-document-on-the-diagnosis-and-treatment-of-sexually-transmitted-diseases-in-adults-children-and-adolescents
#4
National Aids Plan
Sexually transmitted diseases (STDs) are one of the most common and universal problems of public health. Human immunodeficiency virus (HIV) and STD infections are clearly interrelated, and share risks, incidence and transmission mechanisms. The aim of this document is to inform health professionals about the current situation and management of STDs, which, because of their relevance, need greater care, both in the general population and in the population with HIV. These guidelines for STD treatment, although clinically oriented and focused especially on treatment, contain other aspects related to assessing and evaluating patients, as well as recommendations for diagnosis...
July 20, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/28736065/common-variable-immunodeficiency-associated-granulomatous-and-lymphocytic-interstitial-lung-disease-successfully-treated-with-a-combination-regimen-of-rituximab-and-azathioprine
#5
Sananda I Moctezuma, Carlos M Panizo, Manuel F Landecho
No abstract text is available yet for this article.
July 20, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28735919/sleep-disturbances-at-the-time-of-a-new-diagnosis-a-comparative-study-of-human-immunodeficiency-virus-patients-cancer-patients-and-general-population-controls
#6
Yen-Chin Chen, Cheng-Yu Lin, Carol Strong, Chung-Yi Li, Jeen-Shing Wang, Wen-Chien Ko, Nai-Ying Ko
OBJECTIVES: Sleep disturbances are a prevalent and troubling symptom of patients with highly stressful illnesses, such as human immunodeficiency virus (HIV) and cancer. The aim of this study was to compare the prevalence and incidence of sleep disturbances among persons with HIV, those with cancer, and the general population of Taiwan. METHODS: A matched cohort study design was used to compare the risk of sleep disturbances among three groups using reimbursement claims recorded in Taiwan's National Health Insurance Research Database (NHIRD)...
August 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28735808/autoimmunity-and-its-association-with-regulatory-t-cells-and-b-cell-subsets-in-patients-with-common-variable-immunodeficiency
#7
G Azizi, H Abolhassani, F Kiaee, N Tavakolinia, H Rafiemanesh, R Yazdani, S A Mahdaviani, S Mohammadikhajehdehi, M Tavakol, V Ziaee, B Negahdari, J Mohammadi, A Mirshafiey, A Aghamohammadi
BACKGROUND: Common variable immunodeficiency (CVID) is one of the most prevalent symptomatic primary immunodeficiencies (PIDs), which manifests a wide clinical variability such as autoimmunity, as well as T cell and B cell abnormalities. METHODS: A total of 72 patients with CVID were enrolled in this study. Patients were evaluated for clinical manifestations and classified according to the presence or absence of autoimmune disease. We measured regulatory T cells (Tregs) and B-cell subsets using flow cytometry, as well as specific antibody response (SAR) to pneumococcal vaccine, autoantibodies and anti-IgA in patients...
July 20, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28735354/transplantation-sites-for-human-and-murine-islets
#8
Rebecca A Stokes, Kim Cheng, Amit Lalwani, Michael M Swarbrick, Helen E Thomas, Thomas Loudovaris, Tom W Kay, Wayne J Hawthorne, Philip J O'Connell, Jenny E Gunton
AIMS/HYPOTHESIS: Beta cell replacement is a potential cure for type 1 diabetes. In humans, islet transplants are currently infused into the liver via the portal vein, although this site has disadvantages. Here, we investigated alternative transplantation sites for human and murine islets in recipient mice, comparing the portal vein with quadriceps muscle and kidney, liver and spleen capsules. METHODS: Murine islets were isolated from C57BL6/J mice and transplanted into syngeneic recipients...
July 22, 2017: Diabetologia
https://www.readbyqxmd.com/read/28735348/analysis-of-the-cd8-t-cell-anti-hiv-activity-in-heterologous-cell-co-cultures-reveals-the-benefit-of-multiple-hla-class-i-matches
#9
M Scott Killian, Fernando Teque, Ramu Sudhagoni
CD8(+) T lymphocytes can reduce the production of human immunodeficiency virus 1 (HIV-1) by CD4(+) T cells by cytotoxic and non-cytotoxic mechanisms. To investigate the involvement of human leukocyte antigen (HLA) class I compatibility in anti-HIV responses, we co-cultured primary CD8(+) T cells, isolated from the peripheral blood of HIV-1-infected individuals, with panels of autologous and heterologous acutely HIV-1-infected primary CD4(+) T cells. Altogether, CD8(+) T cell anti-HIV activity was evaluated in more than 200 co-cultures...
July 22, 2017: Immunogenetics
https://www.readbyqxmd.com/read/28734862/respiratory-infections-and-antibiotic-usage-in-common-variable-immunodeficiency
#10
Johannes M Sperlich, Bodo Grimbacher, Sarita Workman, Tanzina Haque, Suranjith L Seneviratne, Siobhan O Burns, Veronika Reiser, Werner Vach, John R Hurst, David M Lowe
BACKGROUND: Patients with common variable immunodeficiency (CVID) suffer frequent respiratory tract infections despite immunoglobulin replacement and are prescribed significant quantities of antibiotics. The clinical and microbiological nature of these exacerbations, the symptomatic triggers to take antibiotics, and the response to treatment have not been previously investigated. OBJECTIVES: To describe the nature, frequency, treatment, and clinical course of respiratory tract exacerbations in patients with CVID and to describe pathogens isolated during respiratory tract exacerbations...
July 19, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28734679/assessment-of-biodistribution-using-mesenchymal-stromal-cells-algorithm-for-study-design-and-challenges-in-detection-methodologies
#11
Blanca Reyes, Maria Isabel Coca, Margarita Codinach, María Dolores López-Lucas, Anna Del Mazo-Barbara, Marta Caminal, Irene Oliver-Vila, Valentín Cabañas, Silvia Lope-Piedrafita, Joan García-López, José M Moraleda, Cesar G Fontecha, Joaquim Vives
BACKGROUND AIMS: Biodistribution of candidate cell-based therapeutics is a critical safety concern that must be addressed in the preclinical development program. We aimed to design a decision tree based on a series of studies included in actual dossiers approved by competent regulatory authorities, noting that the design, execution and interpretation of pharmacokinetics studies using this type of therapy is not straightforward and presents a challenge for both developers and regulators...
July 19, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28734516/pediatric-human-immunodeficiency-virus-continuum-of-care-a-concise-review-of-evidence-based-practice
#12
REVIEW
Megan E Gray, Phillip Nieburg, Rebecca Dillingham
Children and adolescents living with human immunodeficiency virus (HIV) represent a population that requires a unique approach to HIV care. Prevention, testing, initiation of antiretroviral therapy (ART), and retention and engagement in care are critical steps. Each step requires providers to address age-specific barriers, so that successful and prolonged viral suppression can occur. Adherence to ART, disclosure of HIV-positive status, and stigma are examples of struggles faced by youth, their families, and health care providers...
August 2017: Pediatric Clinics of North America
https://www.readbyqxmd.com/read/28734175/cd8-t-cell-programming-by-cytomegalovirus-vectors-applications-in-prophylactic-and-therapeutic-vaccination
#13
REVIEW
Klaus Früh, Louis Picker
Vectors based on cytomegalovirus (CMV) represent a novel vaccine platform that maintains high frequencies of non-exhausted effector memory T cells in both CMV sero-positive and sero-negative individuals. In non-human primate models, CMV vectored vaccines provide unprecedented protection against simian immunodeficiency virus (SIV). Moreover, CMV vectors can be genetically altered to program highly diverse CD8+ T cell responses that differ in their epitope targeting including conventional, MHC-I restricted CD8+ T cells as well as unconventional CD8+ T cells restricted by MHC class II or non-polymorphic MHC-E...
July 19, 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/28733567/prevalence-and-factors-associated-with-erectile-dysfunction-in-male-patients-with-human-immunodeficiency-virus-in-a-teaching-hospital-in-west-malaysia
#14
A Enoma, S M Ching, F K Hoo, S F S Omar
INTRODUCTION: Erectile dysfunction (ED) has been associated with the treatment of human immunodeficiency virus (HIV) and chronic diseases. Sexual dysfunction data of male patients infected with HIV are still scarce in Malaysia, and ED appears to be under-reported. Therefore, this study aims to determine the prevalence and predictors of ED among male HIV patients at the University Malaya Medical Centre. METHODS: A cross sectional study was conducted among male HIV patients on antiretroviral therapy (ART) attending the outpatient clinic of a teaching hospital in Malaysia...
June 2017: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28733486/%C3%AE-toxin-regulates-local-granulocyte-expansion-from-hematopoietic-stem-and-progenitor-cells-in-staphylococcus-aureus-infected-wounds
#15
Patrick C Falahee, Leif S Anderson, Mack B Reynolds, Mauricio Pirir, Bridget E McLaughlin, Carly A Dillen, Ambrose L Cheung, Lloyd S Miller, Scott I Simon
The immune response to Staphylococcus aureus infection in skin involves the recruitment of polymorphonuclear neutrophils (PMNs) from the bone marrow via the circulation and local granulopoiesis from hematopoietic stem and progenitor cells (HSPCs) that also traffic to infected skin wounds. We focus on regulation of PMN number and function and the role of pore-forming α-toxin (AT), a virulence factor that causes host cell lysis and elicits inflammasome-mediated IL-1β secretion in wounds. Infection with wild-type S...
July 21, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28733471/helicobacter-species-are-potent-drivers-of-colonic-t-cell-responses-in-homeostasis-and-inflammation
#16
Jiani N Chai, Yangqing Peng, Sunaina Rengarajan, Benjamin D Solomon, Teresa L Ai, Zeli Shen, Justin S A Perry, Kathryn A Knoop, Takeshi Tanoue, Seiko Narushima, Kenya Honda, Charles O Elson, Rodney D Newberry, Thaddeus S Stappenbeck, Andrew L Kau, Daniel A Peterson, James G Fox, Chyi-Song Hsieh
Specific gut commensal bacteria improve host health by eliciting mutualistic regulatory T (Treg) cell responses. However, the bacteria that induce effector T (Teff) cells during inflammation are unclear. We addressed this by analyzing bacterial-reactive T cell receptor (TCR) transgenic cells and TCR repertoires in a murine colitis model. Unexpectedly, we found that mucosal-associated Helicobacter species triggered both Treg cell responses during homeostasis and Teff cell responses during colitis, as suggested by an increased overlap between the Teff/Treg TCR repertoires with colitis...
July 21, 2017: Science Immunology
https://www.readbyqxmd.com/read/28733349/constitutive-ido1-expression-in-human-tumors-is-driven-by-cyclooxygenase-2-and-mediates-intrinsic-immune-resistance
#17
Marc Hennequart, Luc Pilotte, Stefania Cane, Delia Hoffmann, Vincent Stroobant, Etienne De Plaen, Benoît J Van den Eynde
Tumors use various mechanisms to avoid immune destruction. Cyclooxygenase-2 (COX-2) expression may be a driver of immune suppression in melanoma, but the mechanisms involved remain elusive. Here, we show that COX-2 expression drives constitutive expression of indoleamine 2,3-dioxygenase 1 (IDO1) in human tumor cells. IDO1 is an immunosuppressive enzyme that degrades tryptophan. In a series of seven human tumor lines, constitutive IDO1 expression depends on COX-2 and prostaglandin E2 (PGE2), which, upon autocrine signaling through the EP receptor, activates IDO1 via the PKC and PI3K pathways...
July 21, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28733129/endocannabinoids-exert-cb1-receptor-mediated-neuroprotective-effects-in-models-of-neuronal-damage-induced-by-hiv-1-tat-protein
#18
Changqing Xu, Douglas J Hermes, Blessing Nwanguma, Ian R Jacobs, Kenneth Mackie, Somnath Mukhopadhyay, Aron H Lichtman, Bogna Ignatowska-Jankowska, Sylvia Fitting
In the era of combined antiretroviral therapy (cART), human immunodeficiency virus type 1 (HIV-1) is considered a chronic disease that specifically targets the brain and causes HIV-1-associated neurocognitive disorders (HAND). Endocannabinoids (eCBs) elicit neuroprotective and anti-inflammatory actions in several central nervous system (CNS) disease models, but their effects in HAND remain unknown. HIV-1 does not infect neurons, but produces viral toxins, such as transactivator of transcription (Tat), that disrupt neuronal calcium equilibrium and give rise to synaptodendritic injuries and cell death, the former being highly correlated with HAND...
July 18, 2017: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/28732644/prevalence-of-primary-immunodeficiencies-in-france-is-underestimated
#19
Nizar Mahlaoui, Jean-Philippe Jais, Pauline Brosselin, Cecile Mignot, Beatrice Beaurain, Carolina Brito, Laurence Costes, Virginie Courteille, Nathalie De Vergnes, Alexandre Alcaïs, Alain Fischer
Prevalence of PID has not been precisely determined. A field epidemiology study shows that prevalence of PIDs in registries is under-estimated and that minimal prevalence is 11 per 100,000 inhabitants instead of 8 per 100,000 inhabitants.
July 18, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28732118/pd-1-checkpoint-blockade-in-combination-with-an-mtor-inhibitor-restrains-hepatocellular-carcinoma-growth-induced-by-hepatoma-cell-intrinsic-pd-1
#20
Hui Li, Xiaoqiang Li, Shuang Liu, Lei Guo, Bo Zhang, Jubo Zhang, Qinghai Ye
Inhibitors of PD-1 administered as single agents have resulted in durable tumor regression in advanced cancer patients. However, only a minority of cancer patients respond to anti PD-1 immunotherapy. Here, we show that PD-1 expression in hepatocellular carcinoma (HCC) promotes tumor growth independently of adaptive immunity. Knockdown of PD-1 suppress tumor growth, whereas PD-1 overexpression enhances tumorigenesis in immunodeficient xenografted mice. Mechanistically, PD-1 binds the downstream mTOR effectors eukaryotic initiation factor 4E (eIF4E) and ribosomal protein S6 (S6), thus promoting their phosphorylation...
July 21, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
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