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https://www.readbyqxmd.com/read/28096226/disseminated-adenovirus-infection-causing-severe-ards
#1
Steven J Campbell, Jessica A Kynyk, John A Davis
A previously healthy young man with a rare genetic condition presented with severe acute respiratory distress syndrome secondary to pneumonia with septic shock. He did not improve with conventional therapy for his known causal organism thus prompting further workup. He was found to be profoundly immunosuppressed raising our suspicion for atypical organisms. A bronchoalveolar lavage sample was positive via PCR for adenovirus which we suspect exacerbated a pre-existing bacterial pneumonia and led to a severe and non-responsive respiratory failure...
January 17, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28094048/optimization-of-the-skimmed-milk-flocculation-method-for-recovery-of-adenovirus-from-sludge
#2
Andrêssa S F Assis, Marcelo Henrique Otenio, Betânia P Drumond, Tulio M Fumian, Marize P Miagostovich, Maria Luzia da Rosa E Silva
Return of treated sludge to the environment poses concerns and has stimulated the development of studies on viral monitoring in this matrix, in order to assess its potential risks for public health. Human adenovirus (HAdV) has been identified as a putative viral marker of faecal contamination due to its stability and resistance to the sewage treatment process. The aim of this study was to optimize the organic flocculation procedure in order to establish an appropriate methodology for HAdV recovery from sewage sludge samples...
January 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28093994/viral-infection-and-obesity-current-status-and-future-prospective
#3
Sayed Sartaj Sohrab, Mohammad Amjad Kamal, Richard L Atkinson, Maha M Alawi, Esam I Azhar
The association of pathogenic viruses with obesity has now been well-known in both human and animals. Globally, human obesity has become a serious problem leading to the emergence of multiple life-threatening diseases. Adenoviruses contribute a significant role in the induction of obesity by affecting various pathways. Due to impaired immunity, obese individuals are more prone to nosocomial infections leading to complications of obesity. In contrast, several other important factors contributing to human obesity are known...
January 16, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28093339/short-term-clinical-safety-profile-of-brincidofovir-a-favorable-benefit-risk-proposition-in-the-treatment-of-smallpox
#4
Greg Chittick, Marion Morrison, Thomas Brundage, W Garrett Nichols
Brincidofovir (BCV, CMX001) is an orally available, long-acting, broad-spectrum antiviral that has been evaluated in healthy subjects in Phase I studies and in hematopoietic cell transplant recipients and other immunocompromised patients in Phase II/III clinical trials for the prevention and treatment of cytomegalovirus and adenovirus infections. BCV has also shown in vitro activity against orthopoxviruses such as variola (smallpox) virus, and is under advanced development as a treatment for smallpox under the US FDA's 'Animal Rule'...
January 13, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28093213/characterization-of-the-efficiency-and-uncertainty-of-skimmed-milk-flocculation-for-the-simultaneous-concentration-and-quantification-of-water-borne-viruses-bacteria-and-protozoa
#5
Eloy Gonzales-Gustavson, Yexenia Cardenas-Youngs, Miquel Calvo, Marcelle Figueira Marques da Silva, Ayalkibet Hundesa, Inmaculada Amorós, Yolanda Moreno, Laura Moreno-Mesonero, Rosa Rosell, Lliliane Ganges, Rosa Araujo, Rosina Girones
In this study, the use of skimmed milk flocculation (SMF) to simultaneously concentrate viruses, bacteria and protozoa was evaluated. We selected strains of faecal indicator bacteria and pathogens, such as Escherichia coli and Helicobacter pylori. The viruses selected were adenovirus (HAdV 35), rotavirus (RoV SA-11), the bacteriophage MS2 and bovine viral diarrhoea virus (BVDV). The protozoa tested were Acanthamoeba, Giardia and Cryptosporidium. The mean recoveries with q(RT)PCR were 66% (HAdV 35), 24% (MS2), 28% (RoV SA-11), 15% (BVDV), 60% (E...
January 13, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28092353/non-myeloablative-conditioning-for-second-hematopoietic-cell-transplantation-for-graft-failure-in-patients-with-non-malignant-disorders-a-prospective-study-and-review-of-the-literature
#6
K Mallhi, P J Orchard, W P Miller, Q Cao, J Tolar, T C Lund
Allogeneic hematopoietic cell transplantation (HCT) effectively treats several non-malignant disorders such as selected lysosomal disorders, cerebral adrenoleukodystrophy and hemoglobinopathies. However, rates of graft failure (GF) in non-malignant populations exceed those of patients with malignant indications for HCT. Salvage conditioning regimens and outcomes for second HCT for GF vary immensely in the literature. We report 17 consecutive pediatric patients with non-malignant disorders who underwent a second allogenic HCT for GF using a non-myeloablative, low-dose busulfan-based regimen...
January 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28091625/mplex-a-method-for-simultaneous-pathogen-inactivation-and-extraction-of-samples-for-multi-omics-profiling
#7
Kristin E Burnum-Johnson, Jennifer E Kyle, Amie J Eisfeld, Cameron P Casey, Kelly G Stratton, Juan F Gonzalez, Fabien Habyarimana, Nicholas M Negretti, Amy C Sims, Sadhana Chauhan, Larissa B Thackray, Peter J Halfmann, Kevin B Walters, Young-Mo Kim, Erika M Zink, Carrie D Nicora, Karl K Weitz, Bobbie-Jo M Webb-Robertson, Ernesto S Nakayasu, Brian Ahmer, Michael E Konkel, Vladimir Motin, Ralph S Baric, Michael S Diamond, Yoshihiro Kawaoka, Katrina M Waters, Richard D Smith, Thomas O Metz
The continued emergence and spread of infectious agents is of great concern, and systems biology approaches to infectious disease research can advance our understanding of host-pathogen relationships and facilitate the development of new therapies and vaccines. Molecular characterization of infectious samples outside of appropriate biosafety containment can take place only subsequent to pathogen inactivation. Herein, we describe a modified Folch extraction using chloroform/methanol that facilitates the molecular characterization of infectious samples by enabling simultaneous pathogen inactivation and extraction of proteins, metabolites, and lipids for subsequent mass spectrometry-based multi-omics measurements...
January 16, 2017: Analyst
https://www.readbyqxmd.com/read/28090469/the-relationships-between-respiratory-virus-infection-and-aminotransferase-in-children
#8
Jun Suk Oh, Jun Sik Choi, Young Hyuk Lee, Kyung Og Ko, Jae Woo Lim, Eun Jung Cheon, Gyung Min Lee, Jung Min Yoon
PURPOSE: We sought to examine the relationship between the clinical manifestations of nonspecific reactive hepatitis and respiratory virus infection in pediatric patients. METHODS: Patients admitted to the pediatric unit of Konyang University Hospital for lower respiratory tract disease between January 1, 2014 and December 31, 2014 and who underwent reverse transcriptase polymerase chain reaction tests were examined. The patients were divided into those with increased levels of alanine aminotransferase (ALT) or aspartate aminotransferase (AST) and those with normal ALT or AST levels...
December 2016: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28088328/altered-myocyte-contractility-and-calcium-homeostasis-in-alpha-myosin-heavy-chain-point-mutations-linked-to-familial-dilated-cardiomyopathy
#9
Matthew Klos, Lakshmi Mundada, Indroneal Banerjee, Sherry Morgenstern, Stephanie Myers, Michael Leone, Mark Kleid, Todd Herron, Eric Devaney
Mutations in the human cardiac motor protein beta-myosin heavy chain (βMHC) have been long recognized as a cause of familial hypertrophic cardiomyopathy. Recently, mutations (P830L and A1004S) in the less abundant but faster isoform alpha-myosin heavy chain (αMHC) have been linked to dilated cardiomyopathy (DCM). In this study, we sought to determine the cellular contractile phenotype associated with these point mutations. Ventricular myocytes were isolated from 2 month male Sprague Dawley rats. Cells were cultured in M199 media and infected with recombinant adenovirus containing the P830L or the A1004S mutant human αMHC at a MOI of 500 for 18 h...
January 11, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28087147/immune-responses-to-in-ovo-vaccine-formulations-containing-inactivated-fowl-adenovirus-8b-with-poly-di-sodium-carboxylatoethylphenoxy-phosphazene-pcep-and-avian-beta-defensin-as-adjuvants-in-chickens
#10
Mishal Sarfraz, Muhammed Suleman, Suresh K Tikoo, Colette Wheler, Andrew A Potter, Volker Gerdts, Arshud Dar
Inclusion body hepatitis (IBH) is one of the major viral infections causing substantial economic loss to the global poultry industry. The disease is characterized by a sudden onset of mortality (2-30%) and high morbidity (60-70%). IBH is caused by a number of serotypes of fowl adenovirus with substantially low levels of serotype cross protection. Thus far, there is no effective and safe vaccine commercially available in the North America for the control of IBH in chickens. Poly[di(sodium carboxylatoethylphenoxy)]phosphazene (PCEP) is a high molecular weight, biodegradable water soluble polymer that has been well characterized as a safe and effective adjuvant for a number of experimental veterinary vaccines...
January 10, 2017: Vaccine
https://www.readbyqxmd.com/read/28081465/biological-function-and-mechanism-of-lncrna-meg3-in-tenon-s-capsule-fibroblasts-proliferation-by-meg3-nrf2-protein-interaction
#11
Yuan Wang, Jing Wang, Li-Juan Wei, Dong-Mei Zhu, Jin-Song Zhang
OBJECTIVE: The proliferation of Tenon's capsule fibroblasts after glaucoma filtration surgery is a harmful element for operation failure. However, the underlying mechanism remains unclear. In this study, we evaluated the role of long non-coding RNA (lncRNA)-MEG3 in the proliferation of Glaucoma Tenon's capsule fibroblasts (GTFs) with a model of transforming growth factor-β (TGF-β)-induced proliferation which has been used in previous studies to explore the mechanism underlying glaucoma surgery failure...
January 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28079886/hiv-1-nef-is-released-in-extracellular-vesicles-derived-from-astrocytes-evidence-for-nef-mediated-neurotoxicity
#12
A Sami Saribas, Stephanie Cicalese, Taha Mohseni Ahooyi, Kamel Khalili, Shohreh Amini, Ilker Kudret Sariyer
Human immunodeficiency virus-associated neurological disorders (HANDs) affect the majority of AIDS patients and are a significant problem among HIV-1-infected individuals who live longer because of combined anti-retroviral therapies. HIV-1 utilizes a number of viral proteins and subsequent cytokine inductions to unleash its toxicity on neurons. Among HIV-1 viral proteins, Nef is a small protein expressed abundantly in astrocytes of HIV-1-infected brains and has been suggested to have a role in the pathogenesis of HAND...
January 12, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28077715/excitatory-hindbrain-forebrain-communication-is-required-for-cisplatin-induced-anorexia-and-weight-loss
#13
Amber L Alhadeff, Ruby A Holland, Huiyuan Zheng, Linda Rinaman, Harvey J Grill, Bart C De Jonghe
: Cisplatin chemotherapy is commonly used to treat cancer despite severe energy balance side effects. In rats, cisplatin activates nucleus tractus solitarius (NTS) projections to the lateral parabrachial nucleus (lPBN) and calcitonin-gene related peptide (CGRP) projections from the lPBN to the central nucleus of the amygdala (CeA). We demonstrated previously that CeA glutamate receptor signaling mediates cisplatin-induced anorexia and body weight loss. Here, we used neuroanatomical tracing, immunofluorescence, and confocal imaging to demonstrate that virtually all NTS→lPBN and lPBN→CeA CGRP projections coexpress vesicular glutamate transporter 2 (VGLUT2), providing evidence that excitatory projections mediate cisplatin-induced energy balance dysregulation...
January 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28077646/adenovirus-modulates-toll-like-receptor-4-signaling-by-reprogramming-orp1l-vap-protein-contacts-for-cholesterol-transport-from-endosomes-to-the-endoplasmic-reticulum
#14
Nicholas L Cianciola, Stacey Chung, Danny Manor, Cathleen R Carlin
: Human adenoviruses generally cause mild self-limiting infections but can lead to serious disease and even be fatal in high-risk individuals, underscoring the importance of understanding how the virus counteracts host defense mechanisms. This study had two goals. First, determine the molecular basis of cholesterol homeostatic responses induced by the early region 3 membrane protein RIDα via its direct interaction with the sterol-binding protein ORP1L. Second, determine how this interaction regulates innate immunity to adenovirus...
January 11, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28077642/studies-on-the-interaction-of-tumor-derived-hd5-alpha-defensins-with-adenoviruses-and-implications-for-oncolytic-adenovirus-therapy
#15
Charles Vragniau, Jens-Martin Hübner, Peter Beidler, Sucheol Gil, Kamola Saydaminova, Zhuo-Zhuang Lu, Roma Yumul, Hongjie Wang, Maximilian Richter, Pavel Sova, Charles Drescher, Pascal Fender, André Lieber
: Defensins are small anti-microbial peptides capable of neutralizing human adenovirus (HAdV) in vitro by binding capsid proteins and blocking endosomal escape of virus. In humans, the alpha defensin HD5 is produced by specialized epithelial cells of the gastro-intestinal and genito-urinary tracts. Here we demonstrate that HD5 is also expressed as an active, secreted peptide by epithelial ovarian and lung cancer cells in situ, in patient biopsies. This finding triggered us to study the role of HD5 in infection and spread of replication-competent, oncolytic HAdV type 3 virus...
January 11, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28077588/first-in-human-evaluation-of-the-safety-and-immunogenicity-of-an-intranasally-administered-replication-competent-sendai-virus-vectored-hiv-type-1-gag-vaccine-induction-of-potent-t-cell-or-antibody-responses-in-prime-boost-regimens
#16
Julien Nyombayire, Omu Anzala, Brian Gazzard, Etienne Karita, Philip Bergin, Peter Hayes, Jakub Kopycinski, Gloria Omosa-Manyonyi, Akil Jackson, Jean Bizimana, Bashir Farah, Eddy Sayeed, Christopher L Parks, Makoto Inoue, Takashi Hironaka, Hiroto Hara, Tsugumine Shu, Tetsuro Matano, Len Dally, Burc Barin, Harriet Park, Jill Gilmour, Angela Lombardo, Jean-Louis Excler, Patricia Fast, Dagna S Laufer, Josephine H Cox
BACKGROUND:  We report the first-in-human safety and immunogenicity assessment of a prototype intranasally administered, replication-competent Sendai virus (SeV)-vectored, human immunodeficiency virus type 1 (HIV-1) vaccine. METHODS:  Sixty-five HIV-1-uninfected adults in Kenya, Rwanda, and the United Kingdom were assigned to receive 1 of 4 prime-boost regimens (administered at 0 and 4 months, respectively; ratio of vaccine to placebo recipients, 12:4): priming with a lower-dose SeV-Gag given intranasally, followed by boosting with an adenovirus 35-vectored vaccine encoding HIV-1 Gag, reverse transcriptase, integrase, and Nef (Ad35-GRIN) given intramuscularly (SLA); priming with a higher-dose SeV-Gag given intranasally, followed by boosting with Ad35-GRIN given intramuscularly (SHA); priming with Ad35-GRIN given intramuscularly, followed by boosting with a higher-dose SeV-Gag given intranasally (ASH); and priming and boosting with a higher-dose SeV-Gag given intranasally (SHSH)...
January 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28077585/humanized-mice-reproduce-acute-and-persistent-human-adenovirus-infection
#17
Estefanía Rodríguez, Wing Hang Ip, Viktoria Kolbe, Kristin Hartmann, Gundula Pilnitz-Stolze, Nilgün Tekin, Sergio Gómez-Medina, César Muñoz-Fontela, Susanne Krasemann, Thomas Dobner
Severe human adenovirus (HAdV) infections are an increasing threat for immunosuppressed individuals, particularly those who have received stem cell transplants. It has been previously hypothesized that severe infections might be due to reactivation of a persistent infection, but this hypothesis has been difficult to test owing to the lack of a permissive in vivo model of HAdV infection. Here we established a humanized mouse model that reproduces features of acute and persistent HAdV infection. In this model, acute infection correlated with high mortality, weight loss, liver pathology, and expression of viral proteins in several organs...
January 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28077283/aetiology-of-febrile-pharyngitis-in-children-potential-of-myxovirus-resistance-protein-a-mxa-as-a-biomarker-of-viral-infection
#18
Lauri Ivaska, Jussi Niemelä, Johanna Lempainen, Riikka Österback, Matti Waris, Tytti Vuorinen, Jukka Hytönen, Kaisu Rantakokko-Jalava, Ville Peltola
OBJECTIVES: Besides group A streptococcus (GAS), microbial causes of pharyngitis in children are not well known. We aimed to document the viral and bacterial aetiology of pharyngitis and to assess the pathogenic role of viruses by determining the myxovirus resistance protein A (MxA) in the blood as a marker of interferon response. METHODS: In this prospective observational study, throat swabs and blood samples were collected from children (age 1-16 years) presenting to the emergency department with febrile pharyngitis...
January 7, 2017: Journal of Infection
https://www.readbyqxmd.com/read/28075462/dnalk2-inhibits-the-proliferation-and-invasiveness-of-breast-cancer-mda-mb-231-cells-through-the-smad-dependent-pathway
#19
Ke Wang, Xiaoxiao Sun, Hong Lei Feng, Chang Fei, Yan Zhang
Breast cancer is one of the most common malignant neoplasms diagnosed in females worldwide. Bone morphogenetic proteins (BMPs), which belong to the TGF-β superfamily, regulate a wide range of cellular responses including cell proliferation, differentiation, adhesion, migration and apoptosis in breast cancer. BMPs can bind to type I and II serine/threonine kinase receptors to regulate cell proliferation, invasion, migration, and apoptosis. Type I receptors are expressed in various breast cancer cell lines and primary tumor samples...
February 2017: Oncology Reports
https://www.readbyqxmd.com/read/28075429/telomerase-specific-oncolytic-adenovirus-expressing-trail-suppresses-peritoneal-dissemination-of-gastric-cancer
#20
W Zhou, S Dai, H Zhu, Z Song, Z Han, Y Cai, J B Lee, Z Li, X Hu, B Fang, C He, X Huang
Peritoneal dissemination is the most common condition of metastasis in gastric cancer. The survival duration of a patient with advanced stage gastric cancer, may be improved by gene therapy. In this study, we used an oncolytic adenovirus vector (Ad/TRAIL-E1) that expresses both the TRAIL and E1A genes under the control of a tumor-specific promoter. We evaluated the anti-tumor effect of Ad/TRAIL-E1 on gastric cancer cells in vitro, as well as in vivo in a xenograft peritoneal carcinomatosis mouse model. Our data showed that Ad/TRAIL-E1 induced TRAIL-mediated apoptosis in gastric cancer cell lines, but not in the normal cell lines...
January 11, 2017: Gene Therapy
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