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https://www.readbyqxmd.com/read/29156642/is-the-benefit-risk-ratio-for-patients-with-transfusion-dependent-thalassemia-treated-by-unrelated-cord-blood-transplantation-favorable
#1
REVIEW
Tang-Her Jaing
Transfusion-dependent thalassemia (TDT) is an inherited disorder characterized by absent or defective production of α- or β-hemoglobin chains. If untreated, the disease invariably culminates in death in early infancy due to cardiac failure or overwhelming infection. Although there is clear evidence of good health-related quality of life and return to normal life style, the choice to undergo hematopoietic stem cell transplantation (HSCT) remains a challenge because of the potential risk of transplant-related mortality (TRM) in TDT...
November 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156634/an-overview-of-chitosan-nanoparticles-and-its-application-in-non-parenteral-drug-delivery
#2
REVIEW
Munawar A Mohammed, Jaweria T M Syeda, Kishor M Wasan, Ellen K Wasan
The focus of this review is to provide an overview of the chitosan based nanoparticles for various non-parenteral applications and also to put a spotlight on current research including sustained release and mucoadhesive chitosan dosage forms. Chitosan is a biodegradable, biocompatible polymer regarded as safe for human dietary use and approved for wound dressing applications. Chitosan has been used as a carrier in polymeric nanoparticles for drug delivery through various routes of administration. Chitosan has chemical functional groups that can be modified to achieve specific goals, making it a polymer with a tremendous range of potential applications...
November 20, 2017: Pharmaceutics
https://www.readbyqxmd.com/read/29156632/neurotropism-in-vitro-and-mouse-models-of-severe-and-mild-infection-with-clinical-strains-of-enterovirus-71
#3
Pin Yu, Linlin Bao, Lili Xu, Fengdi Li, Qi Lv, Wei Deng, Yanfeng Xu, Chuan Qin
Enterovirus 71 (EV71) is a common etiological agent of hand, foot, and mouth disease and fatal neurological diseases in children. The neuropathogenicity of severe EV71 infection has been documented, but studies comparing mouse models of severe and mild EV71 infection are lacking. The aim of the study was to investigate the neurovirulence of EV71 strains and the differences in serum cytokine and chemokine levels in mouse models of severe and mild EV71 infection. Nine EV71 isolates belonging to the C4 subgenogroup (proposed as genotype D) displayed infectivity in human neuroblastoma SK-N-SH cells; moreover, ultrastructural observation confirmed viral particle replication...
November 20, 2017: Viruses
https://www.readbyqxmd.com/read/29156583/new-paradigms-for-the-study-of-ocular-alphaherpesvirus-infections-insights-into-the-use-of-non-traditional-host-model-systems
#4
REVIEW
Matthew R Pennington, Eric C Ledbetter, Gerlinde R Van de Walle
Ocular herpesviruses, most notably human alphaherpesvirus 1 (HSV-1), canid alphaherpesvirus 1 (CHV-1) and felid alphaherpesvirus 1 (FHV-1), infect and cause severe disease that may lead to blindness. CHV-1 and FHV-1 have a pathogenesis and induce clinical disease in their hosts that is similar to HSV-1 ocular infections in humans, suggesting that infection of dogs and cats with CHV-1 and FHV-1, respectively, can be used as a comparative natural host model of herpesvirus-induced ocular disease. In this review, we discuss both strengths and limitations of the various available model systems to study ocular herpesvirus infection, with a focus on the use of these non-traditional virus-natural host models...
November 18, 2017: Viruses
https://www.readbyqxmd.com/read/29156507/liver-transplantation-in-adults-with-liver-disease-due-to-common-variable-immunodeficiency-leads-to-early-recurrent-disease-and-poor-outcome
#5
Vian Azzu, Joshua E Elias, Adam Duckworth, Susan Davies, Rebecca Brais, Dinakantha S Kumararatne, Alexander E S Gimson, William J H Griffiths
Common variable immunodeficiency (CVID) is the commonest from of primary immunodeficiency characterized by antibody deficiency, recurrent bacterial infections and autoimmunity. Advanced chronic liver disease occurs in a subset of patients with CVID and manifests with various histological features such as nodular regenerative hyperplasia, inflammation, fibrosis and cholangiopathy. We present a case series characterizing the outcomes in adult patients transplanted for primary CVID-related liver disease. We discuss the unique transplantation challenges faced in this primary immunodeficiency group including susceptibility to infections and early disease recurrence...
November 20, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/29156318/how-host-metabolism-impacts-on-virus-pathogenesis
#6
REVIEW
Siva Karthik Varanasi, Barry T Rouse
The outcome of virus infections depends on multiple factors. This review deals with the role of host metabolism as one such factor. We describe how different cells in the immune system employ differential metabolic pathways and how this relates to the outcome of virus infections. We also discuss how nutritional and metabolic diseases can influence the nature of viral pathogenesis as well as how targeted therapies against metabolic processes can impact on the outcome of virus infections. The case is also made for metabolic profiling as a potential tool to predict the outcome of a virus infection and to guide therapies that enhance host resistance...
November 16, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/29156315/genus-and-species-level-identification-of-dermatophyte-fungi-by-surface-enhanced-raman-spectroscopy
#7
Evelin Witkowska, Tomasz Jagielski, Agnieszka Kamińska
This paper demonstrates that surface-enhanced Raman spectroscopy (SERS) coupled with principal component analysis (PCA) can serve as a fast and reliable technique for detection and identification of dermatophyte fungi at both genus and species level. Dermatophyte infections are the most common mycotic diseases worldwide, affecting a quarter of the human population. Currently, there is no optimal method for detection and identification of fungal diseases, as each has certain limitations. Here, for the first time, we have achieved with a high accuracy, differentiation of dermatophytes representing three major genera, i...
November 3, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29156081/cervical-hpv-prevalence-and-genotype-distribution-in-immunosuppressed-danish-women
#8
Mette T Roensbo, Jan Blaakaer, Karin Skov, Anne Hammer
INTRODUCTION: Women receiving immunosuppressive treatment due to organ transplantation are at increased risk of Human papilloma virus (HPV)-related diseases, including cervical neoplasia. This pilot study aimed to describe the cervical HPV prevalence and genotype distribution in immunosuppressed Danish women. MATERIAL AND METHODS: We included women who underwent renal- (RTR) or bone marrow transplantation (BMTR) in 2009-2012 or 2014 at Aarhus University Hospital, Denmark...
November 20, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29156050/viral-factors-affecting-the-clinical-outcomes-of-chronic-hepatitis-b
#9
Hung-Chih Yang, Yi-Fen Shih, Chun-Jen Liu
Chronic hepatitis B (CHB) exhibits a variety of clinical outcomes, ranging from spontaneous resolution of hepatitis B to severe adverse consequences, including the development of cirrhosis, hepatic failure, and hepatocellular carcinoma. The heterogeneous clinical courses of chronic hepatitis B virus (HBV) infection reflect the complex host-virus interactions, and point to the difficulty and necessity of identifying the patients at risk. With the advance of HBV virology, several viral factors have been found to be associated with the long-term clinical outcomes of CHB patients...
November 16, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29156047/immunopathogenesis-of-hepatitis-b-virus
#10
Tai-Chung Tseng, Li-Rung Huang
Chronic hepatitis B virus (HBV) infection is a global public health issue. There are >250 million people chronically infected with HBV, and these chronic carriers are at high risk of developing end-stage liver diseases and hepatocellular carcinoma. Patients with chronic hepatitis B (CHB) usually acquire the virus perinatally, while most patients infected during adulthood develop acute hepatitis B (AHB), which usually results in viral clearance. HBV infection is noncytopathic, and liver injury is mostly contributed by host immune responses...
November 16, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29156044/characteristics-prevention-and-management-of-hepatitis-b-virus-hbv-reactivation-in-hbv-infected-patients-who-require-immunosuppressive-therapy
#11
Jonggi Choi, Young-Suk Lim
Hepatitis B virus (HBV) reactivation becomes a challenging issue with increasing use of immunosuppressive agents and cytotoxic chemotherapy for varied medical conditions, including cancer. The spectrum of HBV reactivation in the setting of immunosuppression may vary from asymptomatic reactivation to liver failure leading to death. HBV reactivation can hamper the course of planned therapies and diminish the effects of therapies; thus, it adversely affects the prognosis of the original disease and the survival of the patients...
November 16, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29156003/chronic-respiratory-disease-an-unrecognized-risk-factor-in-dialysis
#12
Cécile Couchoud, Clémence Béchade, Abdelkader Bemrah, Jean-Christophe Delarozière, Guillaume Jean
Background: Few studies have analysed the impact of chronic respiratory disease (CRD) on outcomes in dialysis. We therefore sought to describe patients with CRD and end-stage renal disease and their outcomes after dialysis start, compared with patients without CRD, focusing especially on causes of death, access to renal transplantation and causes of hospital admissions. Methods: The study included 52 797 adults aged 18 years and older who began dialysis from 2008 to 2013 and are recorded in the French national REIN registry...
May 30, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29155968/novel-spiroplasma-spp-cultured-from-brains-and-lymph-nodes-from-ruminants-affected-with-transmissible-spongiform-encephalopathy
#13
Frank O Bastian, James Lynch, Sue Hagius, Xiaochu Wu, Greg McCormick, Donald G Luther, Philip H Elzer
Spiroplasma spp., tiny filterable wall-less bacteria, are consistently associated with the transmissible spongiform encephalopathies (TSE). Spiral forms have been transiently isolated from TSE-affected brain tissues in SP4 growth media designed for isolation of Spiroplasma spp., but the isolate could not be propagated in SP4 media. A bacterium must grow in vitro in cell-free cultures to allow full characterization of a suspect pathogen. Here, a novel Spiroplasma sp. was isolated from scrapie- and chronic wasting disease (CWD)-affected brains and lymph nodes...
November 15, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/29155867/spectrum-of-pathogen-and-model-specific-histopathologies-in-mouse-models-of-acute-pneumonia
#14
Kristina Dietert, Birgitt Gutbier, Sandra M Wienhold, Katrin Reppe, Xiaohui Jiang, Ling Yao, Catherine Chaput, Jan Naujoks, Markus Brack, Alexandra Kupke, Christin Peteranderl, Stephan Becker, Carolin von Lachner, Nelli Baal, Hortense Slevogt, Andreas C Hocke, Martin Witzenrath, Bastian Opitz, Susanne Herold, Holger Hackstein, Leif E Sander, Norbert Suttorp, Achim D Gruber
Pneumonia may be caused by a wide range of pathogens and is considered the most common infectious cause of death in humans. Murine acute lung infection models mirror human pathologies in many aspects and contribute to our understanding of the disease and the development of novel treatment strategies. Despite progress in other fields of tissue imaging, histopathology remains the most conclusive and practical read out tool for the descriptive and semiquantitative evaluation of mouse pneumonia and therapeutic interventions...
2017: PloS One
https://www.readbyqxmd.com/read/29155863/molecular-detection-of-tick-borne-pathogens-in-cattle-from-southwestern-ethiopia
#15
Zerihun Hailemariam, Jürgen Krücken, Maximilian Baumann, Jabbar S Ahmed, Peter-Henning Clausen, Ard M Nijhof
Tick-borne diseases (TBDs) cause significant losses among livestock and impact the livelihoods of resource-poor farming communities worldwide. In Ethiopia, detailed studies on the epidemiology of tick-borne pathogens (TBPs) in cattle using sensitive molecular detection methods are scarce. The objective of this study was to determine the prevalence and species composition of bovine TBPs of veterinary significance in local cattle populations. A comprehensive cross-sectional epidemiological study was conducted in cattle populations of Illubabor zone in Southwestern Ethiopia from June to August 2013...
2017: PloS One
https://www.readbyqxmd.com/read/29155831/prevalence-and-risk-factors-associated-with-leishmania-infection-in-trang-province-southern-thailand
#16
Jipada Manomat, Saovanee Leelayoova, Lertwut Bualert, Peerapan Tan-Ariya, Suradej Siripattanapipong, Mathirut Mungthin, Tawee Naaglor, Phunlerd Piyaraj
BACKGROUND: Autochthonous cutaneous and visceral leishmaniasis (VL) caused by Leishmania martiniquensis and Leishmania siamensis have been considered emerging infectious diseases in Thailand. The disease burden is significantly underestimated, especially the prevalence of Leishmania infection among HIV-positive patients. METHODS: A cross-sectional study was conducted to determine the prevalence and risk factors associated with Leishmania infection among patients with HIV/AIDS living in Trang province, southern Thailand, between 2015 and 2016...
November 20, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29155830/molecular-characterization-of-tsetse-s-proboscis-and-its-response-to-trypanosoma-congolense-infection
#17
Erick O Awuoche, Brian L Weiss, Aurélien Vigneron, Paul O Mireji, Emre Aksoy, Benson Nyambega, Geoffrey M Attardo, Yineng Wu, Michelle O'Neill, Grace Murilla, Serap Aksoy
Tsetse flies (Glossina spp.) transmit parasitic African trypanosomes (Trypanosoma spp.), including Trypanosoma congolense, which causes animal African trypanosomiasis (AAT). AAT detrimentally affects agricultural activities in sub-Saharan Africa and has negative impacts on the livelihood and nutrient availability for the affected communities. After tsetse ingests an infectious blood meal, T. congolense sequentially colonizes the fly's gut and proboscis (PB) organs before being transmitted to new mammalian hosts during subsequent feedings...
November 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29155819/determinants-of-site-of-tuberculosis-disease-an-analysis-of-european-surveillance-data-from-2003-to-2014
#18
Giovanni Sotgiu, Dennis Falzon, Vahur Hollo, Csaba Ködmön, Nicolas Lefebvre, Andrei Dadu, Marieke van der Werf
BACKGROUND: We explored host-related factors associated with the site of tuberculosis (TB) disease using variables routinely collected by the 31 EU/EEA countries for national surveillance. METHODS: Logistic regression models were fitted to case-based surveillance data reported to the European Centre for Disease Prevention and Control for TB cases notified from 2003 to 2014. Missing data on HIV infection and on susceptibility to isoniazid and rifampicin for many patients precluded the inclusion of these variables in the analysis...
2017: PloS One
https://www.readbyqxmd.com/read/29155816/liposomal-amphotericin-b-in-travelers-with-cutaneous-and-muco-cutaneous-leishmaniasis-not-a-panacea
#19
Romain Guery, Benoit Henry, Guillaume Martin-Blondel, Claire Rouzaud, Florence Cordoliani, Gundel Harms, Jean-Pierre Gangneux, Françoise Foulet, Emmanuelle Bourrat, Michel Baccard, Gloria Morizot, Paul-Henri Consigny, Antoine Berry, Johannes Blum, Olivier Lortholary, Pierre Buffet
BACKGROUND: Complex cutaneous and muco-cutaneous leishmaniasis (CL and MCL) often requires systemic therapy. Liposomal amphotericin B (L-AmB) has a strong potential for a solid clinical benefit in this indication. METHODS: We conducted a retrospective analysis of data from a French centralized referral treatment program and from the "LeishMan" European consortium database. All patients with parasitologically proven CL or MCL who received at least one dose of L-AmB were included...
November 20, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29155735/quantification-of-monocyte-transmigration-and-foam-cell-formation-from-individuals-with-chronic-inflammatory-conditions
#20
Thomas A Angelovich, Anna C Hearps, Anna Maisa, Theodoros Kelesidis, Anthony Jaworowski
Coronary artery disease (CAD) is a leading cause of morbidity and mortality worldwide. Atherosclerosis, a leading cause of CAD, is initiated by the transmigration of innate immune monocytes to inflammatory sites of deposited lipid called fatty streaks, which are present in arterial walls of medium to large arteries. The key pathogenic feature of lesions at this early stage of atherosclerosis is the maturation of monocytes which migrate into arteries to form foam cells or lipid-laden macrophages. Considerable evidence supports the hypothesis that risk of atherosclerosis is increased by chronic inflammatory conditions accompanying diseases such as rheumatoid arthritis and HIV, as well as general ageing, and that this risk is predicted by monocyte activation...
October 17, 2017: Journal of Visualized Experiments: JoVE
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