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https://www.readbyqxmd.com/read/28190779/lentiviral-transfer-of-%C3%AE-globin-with-fusion-gene-nup98-hoxa10hd-expands-hematopoietic-stem-cells-and-ameliorates-murine-%C3%AE-thalassemia
#1
Hui Fen Zhao, Allistair Abraham, Yoon-Sang Kim, Yong-Dong Wang, Tamara Pestina, Jun Zhan, Keith Humphries, Arthur W Nienhuis, Derek A Persons
Recently, an engineered Homeobox-nucleoporin fusion gene, NUP98-HOXA10HD or NA10HD, was reported to expand and maintain murine hematopoietic stem cells (HSCs). We postulated that NA10HD would increase the number of human γ-globin-expressing cells to therapeutic levels. We developed a double gene lentiviral vector encoding both human γ-globin and NA10HD, which was used to transduce human peripheral blood CD34(+) cells and increased engraftment 2- to 2.5-fold at 15 weeks post-transplantation in immunodeficient mice...
February 9, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28178109/risk-factors-for-incidence-of-sexually-transmitted-infections-among-women-in-a-human-immunodeficiency-virus-chemoprevention-trial-voice-mtn-003
#2
Zvavahera Mike Chirenje, Holly M Gundacker, Barbra Richardson, Lorna Rabe, Zakir Gaffoor, Gonasagrie Lulu Nair, Brenda Gati Mirembe, Jeanna M Piper, Sharon Hillier, Jeanne Marrazzo
BACKGROUND: In sub-Saharan Africa, there are limited data on the incidence of sexually transmitted infections (STIs) among women, largely because routine screening for asymptomatic infection is not performed. We conducted a secondary analysis to measure STI incidence rates and determine risk factors for new STI acquisition among women enrolled in the VOICE trial. METHODS: We analyzed data from 4843 women screened for chlamydia, gonorrhoea, syphilis, and trichomonas infection at baseline, annually, at interim visits when clinically indicated and at their study termination visit...
March 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28178076/pediatric-acute-respiratory-distress-syndrome-in-pediatric-allogeneic-hematopoietic-stem-cell-transplants-a-multicenter-study
#3
Courtney M Rowan, Lincoln S Smith, Ashley Loomis, Jennifer McArthur, Shira J Gertz, Julie C Fitzgerald, Mara E Nitu, Elizabeth A S Moser, Deyin D Hsing, Christine N Duncan, Kris M Mahadeo, Jerelyn Moffet, Mark W Hall, Emily L Pinos, Robert F Tamburro, Ira M Cheifetz
OBJECTIVE: Immunodeficiency is both a preexisting condition and a risk factor for mortality in pediatric acute respiratory distress syndrome. We describe a series of pediatric allogeneic hematopoietic stem cell transplant patients with pediatric acute respiratory distress syndrome based on the recent Pediatric Acute Lung Injury Consensus Conference guidelines with the objective to better define survival of this population. DESIGN: Secondary analysis of a retrospective database...
February 7, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28161232/-correctly-address-the-cause-of-hemophagocytic-lymphohistiocytosis
#4
M Penel-Page, B Ben Said, A Phan, L Hees, C Hartmann-Merlin, S Girard, Y Gillet, A Belot
Hemophagocytic lymphohistiocytosis (HLH) is a rare and severe syndrome usually associated with a cytotoxicity deficiency, which leads to an excess of immune response driven by activated macrophages and cytotoxic T cells. In children, HLH can be genetic, as part of a familial lymphohistiocytosis, or secondary: the most frequent causes are systemic-onset juvenile idiopathic arthritis, hematological malignancies, and severe infections, especially with Ebstein-Barr virus or leishmaniosis. We report on the case of a 3-year-old girl with no past medical history, who presented inaugural Pseudomonas aeruginosa maxillary osteitis, with secondary HLH...
February 1, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28139313/ruxolitinib-reverses-dysregulated-t-helper-cell-responses-and-controls-autoimmunity-caused-by-a-novel-signal-transducer-and-activator-of-transcription-1-stat1-gain-of-function-mutation
#5
Katja G Weinacht, Louis-Marie Charbonnier, Fayhan Alroqi, Ashley Plant, Qi Qiao, Hao Wu, Clement Ma, Troy R Torgerson, Sergio D Rosenzweig, Thomas A Fleisher, Luigi D Notarangelo, Imelda C Hanson, Lisa R Forbes, Talal A Chatila
BACKGROUND: Gain-of-function (GOF) mutations in the human signal transducer and activator of transcription 1 (STAT1) manifest in immunodeficiency and autoimmunity with impaired TH17 cell differentiation and exaggerated responsiveness to type I and II interferons. Allogeneic bone marrow transplantation has been attempted in severely affected patients, but outcomes have been poor. OBJECTIVE: We sought to define the effect of increased STAT1 activity on T helper cell polarization and to investigate the therapeutic potential of ruxolitinib in treating autoimmunity secondary to STAT1 GOF mutations...
January 23, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28138962/pax3-foxo1-is-essential-for-tumour-initiation-and-maintenance-but-not-recurrence-in-a-human-myoblast-model-of-rhabdomyosarcoma
#6
Puspa R Pandey, Bishwanath Chatterjee, Mary E Olanich, Javed Khan, Markku M Miettinen, Stephen M Hewitt, Frederic G Barr
The PAX3-FOXO1 fusion gene is generated by a 2;13 chromosomal translocation and is a characteristic feature of an aggressive subset of rhabdomyosarcoma (RMS). To dissect the mechanism of oncogene action during RMS tumourigenesis and progression, doxycycline-inducible PAX3-FOXO1 and constitutive MYCN expression constructs were introduced into immortalised human myoblasts. Though myoblasts expressing PAX3-FOXO1 or MYCN alone were not transformed in focus formation assays, combined PAX3-FOXO1 and MYCN expression resulted in transformation...
January 31, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28120600/immediate-adverse-reactions-to-intravenous-immunoglobulin-in-children-a-single-center-experience
#7
S Kaba, G Keskindemirci, C Aydogmus, R Siraneci, F Erol Cipe
Intravenous immunoglobulin (IVIG) is commonly used in primary and secondary immunodeficiency diseases as well as autoimmune conditions as immunomodulatator treatment. Immediate adverse events which are generally mild and occur during infusion are seen in 6 hours. Reported immediate adverse events are in a wide range from 1%-40% in pediatric patients. 115 patients who received IVIG (except newborns) were included into this crosssectional study. IVIG was given to patients for primary immunodeficiencies (n=8), ITP (n=65), Kawasaki disease (n=11), secondary immunosupression (n=28), and passive immunization (n=3)...
January 2017: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28115667/vitamin-a-and-zinc-supplementation-among-pregnant-women-to-prevent-placental-malaria-a-randomized-double-blind-placebo-controlled-trial-in-tanzania
#8
Anne Marie Darling, Ferdinand M Mugusi, Analee J Etheredge, Nilupa S Gunaratna, Ajibola Ibraheem Abioye, Said Aboud, Christopher Duggan, Robert Mongi, Donna Spiegelman, Drucilla Roberts, Davidson H Hamer, Kevin C Kain, Wafaie W Fawzi
Vitamin A and zinc are important for immune function and may improve host defense against malaria and reduce the risk of adverse pregnancy outcomes. Our objective was to determine whether daily oral supplementation with either or both nutrients starting in the first trimester reduces the risk of placental malaria and adverse pregnancy outcomes. We undertook a randomized, double-blind placebo-controlled trial with a factorial design among 2,500 human immunodeficiency virus-negative primigravid or secundigravid pregnant women in their first trimester of pregnancy in Dar es Salaam, Tanzania...
January 23, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28110113/a-photo-voice-perspective-on-factors-contributing-to-the-resilience-of-hiv-positive-yoruba-adolescent-girls-in-nigeria
#9
Catherine O Adegoke, Miemsie G Steyn
There is a growing discourse worldwide on the impact of the Human Immunodeficiency Virus (HIV) on "at risk youths". In response, five HIV-positive Nigerian adolescent girls were qualitatively investigated in collaboration with a non-governmental organisation (NGO) in Ibadan, an urban settlement in Nigeria in 2013. Using a secondary data analysis from a photo voice component of the research, combined with narratives, we show that participants possess the capacity to overcome their adversities from the effects of HIV infection and remain resilient...
January 18, 2017: Journal of Adolescence
https://www.readbyqxmd.com/read/28102610/outcomes-of-hiv-positive-patients-lost-to-follow-up-in-african-treatment-programmes
#10
REVIEW
Kathrin Zürcher, Anne Mooser, Nanina Anderegg, Olga Tymejczyk, Margaret J Couvillon, Denis Nash, Matthias Egger
OBJECTIVE: The retention of patients on antiretroviral therapy (ART) is key to achieving global targets in response to the HIV epidemic. Loss to follow-up (LTFU) can be substantial, with unknown outcomes for patients lost to ART programmes. We examined changes in outcomes of patients LTFU over calendar time, assessed associations with other study and programme characteristics and investigated the relative success of different tracing methods. METHODS: We performed a systematic review and logistic random-effects meta-regression analysis of studies that traced adults or children who started ART and were LTFU in sub-Saharan African treatment programmes...
January 19, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28100971/tricuspid-valve-replacement-in-an-hiv-infected-patient-with-severe-tricuspid-regurgitation-secondary-to-remote-endocarditis
#11
Merle Myerson, Ehrin J Armstrong, Eduard Poltavskiy, Jose Fefer, Heejung Bang
Surgical intervention for severe tricuspid regurgitation secondary to remote infective endocarditis has been infrequent, especially in patients also infected with the human immunodeficiency virus (HIV). We describe the case of a 62-year-old HIV-positive man, with a 24-year history of endocarditis caused by intravenous heroin use, who presented with severe tricuspid regurgitation. The patient was initially asymptomatic, was taking antiretroviral medications, and had a satisfactory CD4 count and an undetectable viral load, so we decided to manage the regurgitation conservatively...
December 2016: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/28100903/rhodoccocus-equi-pneumonia-and-paradoxical-immune-reconstitution-inflammatory-syndrome-in-a-patient-with-acquired-immune-deficiency-syndrome-aids
#12
Ritika Zijoo, Ahmed Dirweesh, Nigahus Karabulut
BACKGROUND Pulmonary infections are a major cause of mortality and morbidity in patients infected with human immunodeficiency virus (HIV) and can progress rapidly to respiratory failure and death without appropriate therapy. Herein, we present a rare case of an advanced HIV infection and Rhodoccocus equi (R. equi) pneumonia in a young male who had severe paradoxical immune reconstitution inflammatory syndrome (IRIS). CASE REPORT A 47-year-old nonsmoking Hispanic man with advanced HIV infection presented with severe acute necrotizing pneumonia secondary to R...
January 19, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28090819/toxoplasmic-encephalitis-relapse-rates-with-pyrimethamine-based-therapy-systematic-review-and-meta-analysis
#13
Mark P Connolly, Elizabeth Goodwin, Carina Schey, Jacqueline Zummo
Toxoplasmic encephalitis (TE) is caused by Toxoplasma gondii infection and can be a life-threatening disease in immunocompromised patients. This study evaluated the rate of relapse associated with pyrimethamine-based maintenance therapy (i.e. secondary prophylaxis) in patients with human immunodeficiency virus (HIV) or AIDs treated prior to and after the common use (i.e. 1996) of highly active antiretroviral therapy (HAART) (pre-HAART and post-HAART, respectively). PubMed, Google Scholar, and Cochrane databases were searched to 6 June 2016 using search terms: pyrimethamine, Daraprim, Fansidar, Metakelfin, Fansimef, 5-(4-chlorophenyl)-6-ethyl-2,4-pyrimidinediamine, encephalitis, cerebral, toxoplasmosis, toxoplasmic, and gondii...
February 2017: Pathogens and Global Health
https://www.readbyqxmd.com/read/28089945/zearalenone-exposure-impairs-ovarian-primordial-follicle-formation-via-down-regulation-of-lhx8-expression-in-vitro
#14
Guo-Liang Zhang, Xiao-Feng Sun, Yan-Zhong Feng, Bo Li, Ya-Peng Li, Fan Yang, Charles Martin Nyachoti, Wei Shen, Shi-Duo Sun, Lan Li
Zearalenone (ZEA) is an estrogenic mycotoxin mainly produced as a secondary metabolite by numerous species of Fusarium. Previous work showed that ZEA had a negative impact on domestic animals with regard to reproduction. The adverse effects and the mechanisms of ZEA on mammalian ovarian folliculogenesis remain largely unknown, particularly its effect on primordial follicle formation. Thus, we investigated the biological effects of ZEA exposure on murine ovarian germ cell cyst breakdown and primordial follicle assembly...
January 12, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28078997/lipoprotein-a-and-cardiovascular-risk-the-show-must-go-on
#15
Niki Katsiki, Khalid Al-Rasadi, Dimitri P Mikhailidis
Lipoprotein (a) [Lp(a)] is an independent but moderate, predictor for coronary heart disease (CHD) prevalence and severity. Several established and emerging cardiovascular (CV) risk factors including age, gender, ethnicity, smoking, dyslipidemia, hypertension, obesity, type 2 diabetes mellitus, alcohol consumption, arterial stiffness and hyperuricemia have been linked to Lp(a) metabolism. Apart from CHD, Lp(a) has been also associated with non-cardiac vascular diseases and diseases associated with increased CV risk such as chronic kidney disease, metabolic syndrome, non-alcoholic fatty liver disease, erectile dysfunction, obstructive sleep apnea syndrome, inflammatory bowel diseases and human immunodeficiency virus infection...
January 12, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28077143/pregnant-women-carrying-microcephaly-foetuses-and-zika-virus-contain-potentially-pathogenic-microbes-and-parasites-in-their-amniotic-fluid
#16
Diogo Antonio Tschoeke, Louisi Souza de Oliveira, Luciana Leomil, Amilcar Tanuri, Fabiano Lopes Thompson
BACKGROUND: Microcephaly has become a major public health problem in Brazil. The total number of newborns with microcephaly was reported to be >4000 in June 2016. Studies suggest that Zika Virus is a major cause of new microcephaly cases in Brazil. Inside the uterus, the foetus is surrounded by the Amniotic Fluid, a proximal fluid that contains foetal and maternal cells as well as microorganisms and where Zika Virus was already found. CASE PRESENTATION: A previous study reported the presence of the Zika Virus in the amniotic fluid (collected in the 28th gestational week) of two pregnant women carrying microcephaly foetuses in Brazil...
January 11, 2017: BMC Medical Genomics
https://www.readbyqxmd.com/read/28073042/rapid-infusions-of-human-normal-immunoglobulin-50g-l-are-safe-and-well-tolerated-in-immunodeficiencies-and-immune-thrombocytopenia
#17
Giuseppe Spadaro, Alessandra Vultaggio, A Alberto Bosi, Dietmar Reichert, Jan Janssen, Donatella Lamacchia, Liliana Nappi, Antonio Pecoraro, Cinzia Milito, Andrea Ferraro, Andrea Matucci, Francesca Bacchiarri, Valentina Carrai, Azra Hibbeler, Elisabet Speckman, Chiara Guarnieri, Serena Bongiovanni, Isabella Quinti
Intravenous immunoglobulin (IVIg) is accepted as an effective and well-tolerated treatment for primary and secondary immunodeficiencies (ID) and immune thrombocytopenia (ITP). Adverse reactions of IVIg are usually mild, comprising transient flu-like symptoms, change in blood pressure and tachycardia. However IVIg therapy can be burdensome for both patients and healthcare facilities, since the infusion may take up to 4h to administer. The objective of our multicentre, prospective, open-label phase III trial was to evaluate the tolerability and safety of human normal immunoglobulin 50g/l (Ig VENA) at high intravenous infusion rates in adult patients with ID and ITP who had previously tolerated IVIg treatment, by progressively increasing infusion rate up to 8ml/kg/hr...
January 7, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28063260/prevalence-of-communication-between-mothers-and-daughters-on-sexuality-and-associated-factors-in-sagamu-southwest-nigeria
#18
Oluwadamilola A Opawale, Victor J Animasahun, Helena J Chapman
BACKGROUND: As adolescents transition from childhood to adulthood, effective mother-daughter communication on sexuality plays a role in reducing high-risk behaviours linked to human immunodeficiency virus (HIV) infection and early pregnancy and childbirth. The objective of the study was to examine the prevalence of mother-daughter communication on sexuality and associated factors in Sagamu, southwest Nigeria. METHODS: Using multistage sampling, surveys were conducted using 234 female youth enrolled at a secondary school...
January 7, 2017: International Journal of Adolescent Medicine and Health
https://www.readbyqxmd.com/read/28052027/estrogen-receptor-%C3%AE-ligation-inhibits-hodgkin-lymphoma-growth-by-inducing-autophagy
#19
Marina Pierdominici, Angela Maselli, Silvia L Locatelli, Laura Ciarlo, Giuseppa Careddu, Mario Patrizio, Barbara Ascione, Antonella Tinari, Carmelo Carlo-Stella, Walter Malorni, Paola Matarrese, Elena Ortona
Although Hodgkin lymphoma (HL) is curable with current therapy, at least 20% of patients relapse or fail to make complete remission. In addition, patients who achieve long-term disease-free survival frequently undergo infertility, secondary malignancies, and cardiac failure, which are related to chemotherapeutic agents and radiation therapies. Hence, new therapeutic strategies able to counteract the HL disease in this important patient population are still a matter of study. Estrogens, in particular 17β-estradiol (E2), have been suggested to play a role in lymphoma cell homeostasis by estrogen receptors (ER) β activation...
January 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28049455/effectiveness-of-isoniazid-preventative-therapy-in-reducing-incidence-of-active-tuberculosis-among-people-living-with-hiv-aids-in-public-health-facilities-of-addis-ababa-ethiopia-a-historical-cohort-study
#20
Mahlet Semu, Teferi Gedif Fenta, Girmay Medhin, Dawit Assefa
BACKGROUND: Human Immunodeficiency Virus (HIV) pandemic has exacerbated tuberculosis disease especially in Sub-Saharan African countries. The World Health Organization (WHO) and Joint United Nations Program on HIV/AIDS (UNAIDS) have recommended Isoniazid Preventive Therapy (IPT) for HIV infected patients to reduce the burden of tuberculosis (TB). Ethiopia has been implementing IPT since 2007. However, effectiveness of IPT in averting occurrence of active tuberculosis among HIV infected patients has not been assessed...
January 3, 2017: BMC Infectious Diseases
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