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https://www.readbyqxmd.com/read/28747913/family-history-of-early-infant-death-correlates-with-earlier-age-at-diagnosis-but-not-shorter-time-to-diagnosis-for-severe-combined-immunodeficiency
#1
Anderson Dik Wai Luk, Pamela P Lee, Huawei Mao, Koon-Wing Chan, Xiang Yuan Chen, Tong-Xin Chen, Jian Xin He, Nadia Kechout, Deepti Suri, Yin Bo Tao, Yong Bin Xu, Li Ping Jiang, Woei Kang Liew, Orathai Jirapongsananuruk, Tassalapa Daengsuwan, Anju Gupta, Surjit Singh, Amit Rawat, Amir Hamzah Abdul Latiff, Anselm Chi Wai Lee, Lynette P Shek, Thi Van Anh Nguyen, Tek Jee Chin, Yin Hsiu Chien, Zarina Abdul Latiff, Thi Minh Huong Le, Nguyen Ngoc Quynh Le, Bee Wah Lee, Qiang Li, Dinesh Raj, Mohamed-Ridha Barbouche, Meow-Keong Thong, Maria Carmen D Ang, Xiao Chuan Wang, Chen Guang Xu, Hai Guo Yu, Hsin-Hui Yu, Tsz Leung Lee, Felix Yat Sun Yau, Wilfred Hing-Sang Wong, Wenwei Tu, Wangling Yang, Patrick Chun Yin Chong, Marco Hok Kung Ho, Yu Lung Lau
BACKGROUND: Severe combined immunodeficiency (SCID) is fatal unless treated with hematopoietic stem cell transplant. Delay in diagnosis is common without newborn screening. Family history of infant death due to infection or known SCID (FH) has been associated with earlier diagnosis. OBJECTIVE: The aim of this study was to identify the clinical features that affect age at diagnosis (AD) and time to the diagnosis of SCID. METHODS: From 2005 to 2016, 147 SCID patients were referred to the Asian Primary Immunodeficiency Network...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28747505/insufficient-innate-immunity-contributes-to-the-susceptibility-of-the-castaneous-mouse-to-orthopoxvirus-infection
#2
Patricia L Earl, Jeffrey L Americo, Bernard Moss
The castaneous (CAST) mouse, a wild-derived inbred strain, is highly susceptible to orthopoxvirus infection by intranasal and systemic routes. The 50% lethal intraperitoneal dose of vaccinia virus (VACV) was 3 PFU for CAST mice, whereas BALB/c mice survived 10(6) PFU. At all times and in all organs analyzed, virus titers were higher in CAST than in BALB/c mice. In individual CAST mice, luciferase-expressing VACV was seen to replicate rapidly leading to death, whereas virus levels increased for a few days and then declined in BALB/c mice...
July 26, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28742983/should-adults-with-diabetes-mellitus-be-vaccinated-against-hepatitis-b-virus-a-systematic-review-of-diabetes-mellitus-and-the-progression-of-hepatitis-b-disease
#3
Zobair Younossi, Katrin Kochems, Marc de Ridder, Desmond Curran, Eveline M Bunge, Laurence de Moerlooze
Despite the burden of diabetes mellitus (DM), little is known about the role of this and other metabolic syndromes on the severity of hepatitis B virus (HBV) chronicity and liver disease progression. The value of hepatitis B vaccination and its impact on liver diseases and HCC has been largely demonstrated (ref), adult vaccination coverage is however suboptimal and DM diagnosis represents an opportunity for the HCP to discuss hepatitis B and other adult vaccinations. We performed a systematic literature search to identify studies (2000 to January 2017) describing liver disease progression among patients with HBV by DM status...
July 25, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28725429/pretreatment-antigen-specific-immunity-and-regulation-association-with-subsequent-immune-response-to-anti-tumor-dna-vaccination
#4
Laura E Johnson, Brian M Olson, Douglas G McNeel
BACKGROUND: Immunotherapies have demonstrated clinical benefit for many types of cancers, however many patients do not respond, and treatment-related adverse effects can be severe. Hence many efforts are underway to identify treatment predictive biomarkers. We have reported the results of two phase I trials using a DNA vaccine encoding prostatic acid phosphatase (PAP) in patients with biochemically recurrent prostate cancer. In both trials, persistent PAP-specific Th1 immunity developed in some patients, and this was associated with favorable changes in serum PSA kinetics...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28723962/surface-functionalization-specific-binding-of-coagulation-factors-by-zinc-oxide-nanoparticles-delays-coagulation-time-and-reduces-thrombin-generation-potential-in-vitro
#5
Jun-Young Yang, Jiyeong Bae, Ayoung Jung, Seonyeong Park, Seungtae Chung, Jihyun Seok, Hangsik Roh, Youngju Han, Jae-Min Oh, Soojung Sohn, Jayoung Jeong, Wan-Seob Cho
Zinc oxide nanoparticles (ZnO NPs) have many biomedical applications such as chemotherapy agents, vaccine adjuvants, and biosensors but its hemocompatibility is still poorly understood, especially in the event of direct contact of NPs with blood components. Here, we investigated the impact of size and surface functional groups on the platelet homeostasis. ZnO NPs were synthesized in two different sizes (20 and 100 nm) and with three different functional surface groups (pristine, citrate, and L-serine). ZnO NPs were incubated with plasma collected from healthy rats to evaluate the coagulation time, kinetics of thrombin generation, and profile of levels of coagulation factors in the supernatant and coronated onto the ZnO NPs...
2017: PloS One
https://www.readbyqxmd.com/read/28716080/pretreatment-antigen-specific-immunity-and-regulation-association-with-subsequent-immune-response-to-anti-tumor-dna-vaccination
#6
Laura E Johnson, Brian M Olson, Douglas G McNeel
BACKGROUND: Immunotherapies have demonstrated clinical benefit for many types of cancers, however many patients do not respond, and treatment-related adverse effects can be severe. Hence many efforts are underway to identify treatment predictive biomarkers. We have reported the results of two phase I trials using a DNA vaccine encoding prostatic acid phosphatase (PAP) in patients with biochemically recurrent prostate cancer. In both trials, persistent PAP-specific Th1 immunity developed in some patients, and this was associated with favorable changes in serum PSA kinetics...
July 18, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28712662/enteropathogen-detection-in-children-with-diarrhoea-or-vomiting-or-both-comparing-rectal-flocked-swabs-with-stool-specimens-an-outpatient-cohort-study
#7
Stephen B Freedman, Jianling Xie, Alberto Nettel-Aguirre, Bonita Lee, Linda Chui, Xiao-Li Pang, Ran Zhuo, Brendon Parsons, James A Dickinson, Otto G Vanderkooi, Samina Ali, Lara Osterreicher, Karen Lowerison, Phillip I Tarr
BACKGROUND: Enteropathogen detection traditionally relies on diarrhoeal stool samples, but these are inconvenient to collect if they are not immediately available, leading to suboptimum return rates of samples and delayed or missed diagnostic opportunities. We sought to compare the enteropathogen yields of rectal swabs and stool specimens in children with diarrhoea or vomiting, or both. METHODS: The Alberta Provincial Pediatric EnTeric Infection TEam (APPETITE) did a study in three outpatient cohorts in Calgary and Edmonton (AB, Canada)-children enrolled in the Pediatric Emergency Research Canada emergency departments, children receiving routine vaccinations at a Calgary health clinic, and symptomatic children who met criteria for treatment at home...
July 13, 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28696824/age-appropriate-versus-up-to-date-coverage-of-routine-childhood-vaccinations-among-young-children-in-israel
#8
Chen Stein-Zamir, Avi Israeli
BACKGROUND AND AIMS: Routine childhood vaccinations schedules recommend that children receive the vaccine doses at specific ages. Vaccination coverage data are conventionally reported by the up-to-date method. We aimed to assess vaccination timeliness by the age-appropriate method and compare to the up-to-date vaccination coverage. METHODS: Assessment of age-appropriate and up-to-date vaccination coverage among children born in Israel in 2009 and followed to age 48 months (national representative sample, n = 3892)...
July 11, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28685796/tuberculosis-cost-in-tunisia
#9
Mohamed Hsairi, Mehdi Ben Braham, Dhikrayet Gamara, Rachid Fourati, Faouzi Abid, Fatma Tritar, Mohamed Ridha Charfi
BACKGROUND: Tuberculosis (TB) infects one third of the world population. Its economic impact is important, affecting the global economy in the World. OBJECTIVE: To determine the economic costs related to tuberculosis in Tunisia. METHODS: Calculations were made for the reference year 2013; we covered all cost components of the disease, which are related to program management, BCG vaccination, health workers training, social mobilization, screening, chemoprophylaxis, and tuberculosis care...
October 2016: La Tunisie Médicale
https://www.readbyqxmd.com/read/28681755/dravet-syndrome-with-scn1b-gene-mutation-a-rare-entity
#10
Devdeep Mukherjee, Swapan Mukherjee, Prabal Niyogi, Manas Mahapatra
Early infantile epileptic encephalopathy has a grave outcome. Dravet syndrome (DS), characterized by early onset, refractory seizures, and intellectual deficit is one of the variants of the condition. SCN1B gene mutation is one of the lesser known variants of DS. Increased awareness of genetic analysis has increased the early diagnosis of DS for an early prognostication as well as genetic counselling of parents. We present the case of a 7-month old male child who started having recurrent febrile, and thereafter, afebrile seizures, following administration of a vaccination at 3 months...
July 2017: Neurology India
https://www.readbyqxmd.com/read/28680745/vaccination-targeting-human-her3-alters-the-phenotype-of-infiltrating-t-cells-and-responses-to-immune-checkpoint-inhibition
#11
Takuya Osada, Michael A Morse, Amy Hobeika, Marcio A Diniz, William R Gwin, Zachary Hartman, Junping Wei, Hongtao Guo, Xiao-Yi Yang, Cong-Xiao Liu, Kensuke Kaneko, Gloria Broadwater, H Kim Lyerly
Expression of human epidermal growth factor family member 3 (HER3), a critical heterodimerization partner with EGFR and HER2, promotes more aggressive biology in breast and other epithelial malignancies. As such, inhibiting HER3 could have broad applicability to the treatment of EGFR- and HER2-driven tumors. Although lack of a functional kinase domain limits the use of receptor tyrosine kinase inhibitors, HER3 contains antigenic targets for T cells and antibodies. Using novel human HER3 transgenic mouse models of breast cancer, we demonstrate that immunization with recombinant adenoviral vectors encoding full length human HER3 (Ad-HER3-FL) induces HER3-specific T cells and antibodies, alters the T cell infiltrate in tumors, and influences responses to immune checkpoint inhibitions...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28675269/-new-therapeutics
#12
Adriana Iacob Popescu, Liz Coronado, Aikaterini Efstathopoulou, Daniele Frisone, Gian-Marco Stamm, Javier Torralvo, Luc Barberini, Pierre-Auguste Petignat
Daily medical practice triggers reflexes in the use of drugs which must nevertheless always be adapted to new knowledge. Physician assistants and residents in the clinical ward of Internal Medicine of Sion Hospital summarize six recently published clinical treatments to which primary care physicians or in hospital-based internal medicine have to pay a particular attention. Quinolones are widely used but associated with QT interval widening, morphine delays and attenuate ticagrelor action in patients with myocardial infarction, evolocumab, a monoclonal antibody impact in reducing lipids and cardiovascular events, impact of statins on influenza vaccine effectiveness, vitamin D treatment for the prevention of functional decline, high dose dexamethasone for the treatment of immune thrombocytopenia...
September 7, 2016: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28674683/infusion-of-sibling-marrow-in-a-patient-with-purine-nucleoside-phosphorylase-deficiency-leads-to-split-mixed-donor-chimerism-and-normal-immunity
#13
Laura Yeates, Mary A Slatter, Andrew R Gennery
Purine nucleoside phosphorylase (PNP) deficiency, a rare autosomal recessive metabolic disease causes combined immunodeficiency and developmental delay, hypotonia, and spasticity. Patients present with recurrent infections associated with T-lymphocytopenia, characteristically presenting later than patients with classical severe combined immunodeficiency (SCID). PNP, with adenosine deaminase (ADA), is part of the purine salvage pathway. The only curative therapy is hematopoietic stem cell transplantation. Myeloablative conditioning is recommended to prevent rejection caused by residual immune function...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28674032/genetic-adjuvantation-of-a-cell-based-therapeutic-vaccine-for-amelioration-of-chagasic-cardiomyopathy
#14
Vanaja Konduri, Matthew M Halpert, Dan Liang, Jonathan M Levitt, Julio V C Cruz, Bin Zhan, Maria Elena Bottazzi, Peter J Hotez, Kathryn M Jones, William K Decker
Chagas disease, caused by infection with the protozoan parasite Trypanosoma cruzi, is a leading cause of heart disease ("Chagasic cardiomyopathy") in Latin America, disproportionately affecting people in resource poor areas. Efficacy of currently approved pharmaceutical treatments is mainly limited to acute infection, and there are no effective treatments for the chronic phase of the disease. Pre-clinical models of Chagas disease have demonstrated that antigen specific CD8(+)IFNγ(+) T-cell responses are essential for reducing parasite burdens, increasing survival, and decreasing cardiac pathology in both the acute and chronic phases of Chagas disease...
July 3, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28669593/pathogen-mimicking-vaccine-delivery-system-designed-with-a-bioactive-polymer-inulin-acetate-for-robust-humoral-and-cellular-immune-responses
#15
Sunny Kumar, Siddharth S Kesharwani, Bhimanna Kuppast, Mohammed Ali Bakkari, Hemachand Tummala
New and improved vaccines are needed against challenging diseases such as malaria, tuberculosis, Ebola, influenza, AIDS, and cancer. The majority of existing vaccine adjuvants lack the ability to significantly stimulate the cellular immune response, which is required to prevent the aforementioned diseases. This study designed a novel particulate based pathogen-mimicking vaccine delivery system (PMVDS) to target antigen-presenting-cells (APCs) such as dendritic cells. The uniqueness of PMVDS is that the polymer used to prepare the delivery system, Inulin Acetate (InAc), activates the innate immune system...
June 29, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28666759/a-short-hairpin-rna-based-adjuvant-targeting-nf-%C3%AE%C2%BAb-repressor-i%C3%AE%C2%BAb%C3%AE-promotes-migration-of-dermal-dendritic-cells-to-draining-lymph-nodes-and-antitumor-ctl-responses-induced-by-dna-vaccination
#16
Felipe Gálvez-Cancino, Jonathan Roco, Nicole Rojas-Colonelli, Camila Flores, Paola Murgas, Sebastián Cruz-Gómez, César Oyarce, Manuel Varas-Godoy, Daniela Sauma, Alvaro Lladser
DNA vaccination is an attractive approach to elicit tumor-specific cytotoxic CD8(+) T lymphocytes (CTL), which can mediate protective immunity against tumors. To initiate CTL responses, antigen-encoding plasmids employed for DNA vaccination need to activate dendritic cells (DC) through the stimulation of DNA-sensing innate immune receptors that converge in the activation of the master transcription factor NF-κB. To this end, NF-κB repressor IκBα needs to be degraded, allowing NF-κB to translocate to the nucleus and transcribe proinflammatory target genes, as well as its repressor IκBα...
June 27, 2017: Vaccine
https://www.readbyqxmd.com/read/28666745/the-clinical-spectrum-of-childhood-narcolepsy
#17
REVIEW
Emanuela Postiglione, Elena Antelmi, Fabio Pizza, Michel Lecendreux, Yves Dauvilliers, Giuseppe Plazzi
Narcolepsy type 1 is a life-long, severe, multifaceted disease often arising in childhood or adolescence. Beyond the classical symptoms (excessive daytime sleepiness, cataplexy, hallucinations, sleep paralysis and nocturnal fragmented sleep), metabolic, endocrinological, psychiatric and psychosocial aspects must be considered. Despite the increased awareness after H1N1 pandemic influenza and vaccination, narcolepsy is still misdiagnosed and unrecognized. The peculiar presentation of symptoms in narcoleptic children could in part explain the misdiagnoses...
May 8, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/28665719/eimeria-oocyst-concentrations-and-species-composition-in-litter-from-commercial-broiler-farms-during-anticoccidial-drug-or-live-eimeria-oocyst-vaccine-control-programs
#18
Mark C Jenkins, Carolyn Parker, Donald Ritter
The purpose of this study was to determine if Eimeria oocyst concentrations and species composition in commercial broiler house litter changed during different cycles of anticoccidial drug (ACD) or live Eimeria oocyst vaccine (VAC) control programs and if there was a correlation between Eimeria oocyst levels and broiler performance. Litter samples were collected from a total of 15 different broiler farms encompassing a total of 45 individual houses during at least one complete grow-out cycle over a 21-mo period...
June 2017: Avian Diseases
https://www.readbyqxmd.com/read/28662952/vaccination-against-histomonosis-limits-pronounced-changes-of-b-cells-and-t-cell-subsets-in-turkeys-and-chickens
#19
Taniya Mitra, Wilhelm Gerner, Fana Alem Kidane, Patricia Wernsdorf, Michael Hess, Armin Saalmüller, Dieter Liebhart
The protozoan parasite Histomonas meleagridis is the causative agent of histomonosis in gallinaceous birds. In turkeys, the disease can result in high mortality due to severe inflammation and necrosis in caecum and liver, whereas in chickens the disease is less severe. Recently, experimental vaccination was shown to protect chickens and turkeys against histomonosis but dynamics in the cellular immune response are not yet demonstrated. In the present work, different groups of birds of both species were vaccinated with attenuated, and/or infected with virulent histomonads...
June 26, 2017: Vaccine
https://www.readbyqxmd.com/read/28650644/combination-of-plant-virus-nanoparticle-based-in-situ-vaccination-with-chemotherapy-potentiates-antitumor-response
#20
Karin L Lee, Abner A Murray, Duc H T Le, Mee Rie Sheen, Sourabh Shukla, Ulrich Commandeur, Steven Fiering, Nicole F Steinmetz
Immunotherapeutics are gaining more traction in the armamentarium used to combat cancer. Specifically, in situ vaccination strategies have gained interest because of their ability to alter the tumor microenvironment to an antitumor state. Herein, we investigate whether flexuous plant virus-based nanoparticles formed by the potato virus X (PVX) can be used as an immunotherapeutic for in situ vaccine monotherapy. We further developed dual chemo-immunotherapeutics by incorporating doxorubicin (DOX) into PVX yielding a dual-functional nanoparticle (PVX-DOX) or by coadministration of the two therapeutic regimes, PVX immunotherapy and DOX chemotherapy (PVX+DOX)...
July 12, 2017: Nano Letters
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