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https://www.readbyqxmd.com/read/29325864/infections-genetic-and-environmental-factors-in-pathogenesis-of-autoimmune-thyroid-diseases
#1
REVIEW
Sanjeev Kumar Shukla, Govind Singh, Shahzad Ahmad, Prabhat Pant
In Autoimmune disease a combination of infection, genetic and environmental factors causes an autoimmune response to the thyroid gland (characterized by lymphocytic infiltrations), thyroid stimulating hormone receptor (TSHR) and different thyroid antigens. Graves' and Hashimoto disease are autoimmune disorders with genetic predisposition. CD40 that stimulates the proliferation and differentiation of lymphocytes is an essential immunomodulatory component for follicular cells in the thyroid and the cell that present the antigen...
January 8, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29323107/serological-survey-of-neutralizing-antibodies-to-eight-major-enteroviruses-among-healthy-population
#2
Rui Zhu, Tong Cheng, Zhichao Yin, Dongxiao Liu, Longfa Xu, Yongchao Li, Wei Wang, Jian Liu, Yuqiong Que, Xiangzhong Ye, Qiyi Tang, Qinjian Zhao, Shengxiang Ge, Shuizhen He, Ningshao Xia
Human enteroviruses (EVs) are the most common causative agents infecting human, causing many harmful diseases, such as hand, foot, and mouth disease (HFMD), herpangina (HA), myocarditis, encephalitis, and aseptic meningitis. EV-related diseases pose a serious worldwide threat to public health. To gain comprehensive insight into the seroepidemiology of major prevalent EVs in humans, we firstly performed a serological survey for neutralizing antibodies (nAbs) against Enterovirus A71 (EV-A71), Coxsackie virus A16 (CV-A16), Coxsackie virus A6 (CV-A6), Coxsackie virus A10 (CV-A10), Coxsackie virus B3 (CV-B3), Coxsackie virus B5 (CV-B5), Echovirus 25 (ECHO25), and Echovirus 30 (ECHO30) among the healthy population in Xiamen City in 2016, using micro-neutralization assay...
January 10, 2018: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/29245918/interleukin-13-reduces-cardiac-injury-and-prevents-heart-dysfunction-in-viral-myocarditis-via-enhanced-m2-macrophage-polarization
#3
Honghui Yang, Yan Chen, Chuanyu Gao
Viral myocarditis is one of the major causes of congestive heart failure and dilated cardiomyopathy. Recent reports have demonstrated an essential role of cytokines, like interleukin-13 (IL-13), in the pathogenesis of viral myocarditis, while the underlying mechanisms remain poorly defined. Here, using a coxsackie virus B3 (CVB3)-infection model in BALB/C mice, we showed that IL-13 protected mouse heart function in viral myocarditis, seemingly through reduction in T lymphocyte immunity and induction of M2 macrophage polarization...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29209895/antiviral-activity-and-metal-ion-binding-properties-of-some-2-hydroxy-3-methoxyphenyl-acylhydrazones
#4
M Carcelli, E Fisicaro, C Compari, L Contardi, D Rogolino, C Solinas, A Stevaert, L Naesens
Here we report on the results obtained from an antiviral screening, including herpes simplex virus, vaccinia virus, vesicular stomatitis virus, Coxsackie B4 virus or respiratory syncytial virus, parainfluenza-3 virus, reovirus-1 and Punta Toro virus, of three 2-hydroxy-3-methoxyphenyl acylhydrazone compounds in three cell lines (i.e. human embryonic lung fibroblast cells, human cervix carcinoma cells, and African Green monkey kidney cells). Interesting antiviral EC50 values are obtained against herpes simplex virus-1 and vaccinia virus...
December 5, 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/29182793/atypical-hand-foot-and-mouth-disease-caused-by-coxsackievirus-a6-in-denmark-a-diagnostic-mimicker
#5
Hans-Henrik Horsten, Michael Kemp, Thea K Fischer, Kim H Lindahl, Anette Bygum
Since 2008, outbreaks of atypical hand, foot, and mouth disease (HFMD) in children and adults have been reported worldwide. The majority of these outbreaks are caused by a new lineage of Coxsackie virus A6 (CV-A6) presenting a more severe clinical phenotype than the classical childhood HFMD caused by CV-A16. Between June 2014 and January 2016, 23 cases of atypical HFMD disease presented at a Dermatology Department at a regional University Hospital in Denmark. Patients were referred by general practitioners and dermatologists with a variety of clinical diagnoses, including eczema herpeticum, vasculitis, syphilis, dermatophytid, erythema multiforme and Stevens-Johnson syndrome...
November 28, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29174007/-acute-hemorrhagic-edema-of-infancy-associated-with-coxsackie-virus-infection
#6
A Debray, V Ollier, A Coutard, F Arditty, S Bekkar, C Bodemer, M Leruez-Ville, A Mirand, F Lesage, P Foucaud
Acute hemorrhagic edema of infancy is a rare but benign vasculitis occurring in infants aged from 4 to 24 months. Skin lesions can take various forms, including extensive hemorrhagic purpura, and can therefore be mistaken for purpura fulminans if associated with fever, which leads to initiating broad-spectrum antibiotic treatment. In the present case, we describe a 7-month-old boy with acute hemorrhagic edema of infancy and rapidly extensive purpura lesions that led to intravenous cefotaxime and amikacin treatment...
November 21, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29164007/adult-onset-still-s-disease-is-this-truly-a-diagnosis-of-exclusion
#7
Caleb W Anderson, Phalgoon A Shah, Jefferson R Roberts
Adult-onset Still's Disease is a rare, idiopathic, inflammatory disorder characterized by arthralgia, evanescent, salmon-colored rash, and daily fevers as well as lymphadenopathy, pharyngitis, splenomegaly, myalgias, and serositis. The inciting etiology of this syndrome is unknown, though it has been hypothesized that infection triggers an autoimmune response. The Yamaguchi Criteria, the most sensitive and widely used diagnostic criteria, requires both a minimum set of criteria to be met as well other potential etiologies to be excluded...
November 2017: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/29156987/antiviral-phenolics-from-antenoron-filiforme-var-neofiliforme
#8
Shi-Zhong Ma, Shu-Hua Luan, Ling-Juan Zhu, Xue Zhang, Xin-Sheng Yao
Two new phenolics, 1,3-di-O-p-coumaroyl-2',6'-di-O-acetylsucrose (1) and quercetin 3-O-β-D-apiofuranoyl-(1→2)-α-L-rhamnopyranoside (2), along with nine known compounds (3-11), were isolated from the whole plants of Antenoron filiforme var. neofiliforme. Their chemical structures were characterized on the basis of various spectroscopic techniques. This is the first report of the isolation of phenylpropanoid sucrose (1, 3-4) from the genus Antenoron. The bioassay results showed that compound 11 exhibited antiviral activity against the Coxsackie virus B3 (CVB3)...
November 21, 2017: Journal of Asian Natural Products Research
https://www.readbyqxmd.com/read/29144842/a-novel-fiber-chimeric-conditionally-replicative-adenovirus-ad5-f35-for-tumor-therapy
#9
Ming Yang, Chun Sheng Yang, WenWen Guo, JianQin Tang, Qian Huang, ShouXin Feng, AiJun Jiang, XiFeng Xu, Guan Jiang, Yan Qun Liu
Significant progress has been made in the diagnosis and treatment of cancer; however, significant challenges remain. Conditionally replicating adenoviruses (CRAds), which not only kill cancer cells, but also serve as vectors to express therapeutic genes, are a novel and effective method to treat cancer. However, most adenoviruses are Ad5, which infect cells through the coxsackie and adenovirus receptor (CAR). The transduction efficacy of Ad5 is restricted because of the absent or low expression of CAR on several cancer cells...
November 16, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29136142/the-forkhead-transcription-factor-foxo3-negatively-regulates-natural-killer-cell-function-and-viral-clearance-in-myocarditis
#10
Madlen Loebel, Luise Holzhauser, Jelka A Hartwig, Praphulla C Shukla, Konstantinos Savvatis, Alexander Jenke, Martina Gast, Felicitas Escher, Sonya C Becker, Sandra Bauer, Andrea Stroux, Antje Beling, Meike Kespohl, Sandra Pinkert, Henry Fechner, Uwe Kuehl, Dirk Lassner, Wolfgang Poller, Heinz-Peter Schultheiss, Tanja Zeller, Stefan Blankenberg, Anna-Pia Papageorgiou, Stephane Heymans, Ulf Landmesser, Carmen Scheibenbogen, Carsten Skurk
Aims: Foxo3 is a transcription factor involved in cell metabolism, survival, and inflammatory disease. However, mechanistic insight in Foxo3 effects is still limited. Here, we investigated the role of Foxo3 on natural killer (NK) cell responses and its effects in viral myocarditis. Methods and results: Effects of Foxo3 on viral load and immune responses were investigated in a model of coxsackie virus B3 myocarditis in wild-type (WT) and Foxo3 deficient mice. Reduced immune cell infiltration, viral titres, and pro-inflammatory cytokines in cardiac tissue were observed in Foxo3-/- mice 7 days post-infection (p...
November 9, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29122531/uplc-pda-esi-qtof-ms-profiling-and-potent-anti-hsv-ii-activity-of-eucalyptus-sideroxylon-leaves
#11
Mona M Okba, Rania A El Gedaily, Rehab M Ashour
Eucalyptus is one of the most important and highly exploited genus in family Myrtaceae. An UPLC/PDA/ESI-qTOF-MS method was adopted to identify Eucalyptus sideroxylon Cunn. ex Woolls leaves phytoconstituents. Cytotoxicity of E. sideroxylon leaves phloroglucinol-rich extract (PGRE) on VERO cells was determined. The antiviral effect of PGRE against hepatitis A (HAV), herpes simplex type 1 (HSV-I), herpes simplex type 2 (HSV-II), coxsackie (CoxB4), and adenoviruses was in vitro evaluated using MTT assay (3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyl tetrazolium bromide)...
November 2, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29074882/liposome-encapsulated-plasmid-dna-of-telomerase-specific-oncolytic-adenovirus-with-stealth-effect-on-the-immune-system
#12
Katsuyuki Aoyama, Shinji Kuroda, Toshiaki Morihiro, Nobuhiko Kanaya, Tetsushi Kubota, Yoshihiko Kakiuchi, Satoru Kikuchi, Masahiko Nishizaki, Shunsuke Kagawa, Hiroshi Tazawa, Toshiyoshi Fujiwara
Oncolytic virotherapy has the disadvantage of being unsuitable for systemic delivery due to immune elimination. Liposomal encapsulation is well-recognized to reduce immune elimination and enhance the stability of drugs in the bloodstream. In the present study, the potential of liposome-encapsulated plasmid DNA of telomerase-specific oncolytic adenovirus (TelomeScan) expressing GFP (Lipo-pTS) as an oncolytic adenoviral agent suitable for systemic delivery was investigated. Lipo-pTS, which has a diameter of 40-50 nm, showed potent antitumor effects on HCT116 colon carcinoma cells in vitro and in vivo...
October 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29039143/cd80-regulates-th17-cell-differentiation-in-coxsackie-virus-b3-induced-acute-myocarditis
#13
Yanlan Huang, Yong Li, Bin Wei, Weifeng Wu, Xingcui Gao
The cluster of differentiation protein complex, CD80/CD86, regulates Th1/Th2 differentiation in autoimmune disease. In order to establish the effects of CD80/CD86 on Th17 cell differentiation in acute viral myocarditis (VMC), we infected C57BL/6 mice with Coxsackie virus B3 (CVB3) and examined the effects of the treatment with anti-CD80/CD86 monoclonal antibodies (mAbs) on Th17 cell differentiation in vivo. The effects of anti-CD80/CD86 mAbs on Th17 cell differentiation were further evaluated in vitro. The treatment with anti-CD80 mAb induced marked suppression of Th17 cell differentiation and ROR-γt mRNA expression, whereas anti-CD86 mAb alone had no effect, both in vivo and in vitro...
October 16, 2017: Inflammation
https://www.readbyqxmd.com/read/29036974/-the-impact-of-hydrogen-sulfide-on-the-heme-oxygenase-1-carbon-monoxide-system-in-coxsackie-virus-b3-induced-myocarditis-in-mice
#14
S Y Zhang, T T Wu, Y Ren, T H Xia, R Z Wu
Objective: To explore the impact of hydrogen sulfide (H(2)S) on the heme oxygenase-1/carbon monoxide pathway in Coxsackie virus B3 (CVB3)-induced murine myocarditis (VMC) model. Method: A total of 70 inbred male Balb/c mouse (4-6 weeks old) were randomized into the following four groups: Normal, VMC, PAG and NaHS (n=10 for Normal, n=20 for VMC, PAG and NaHS groups). Mice in Normal group were non-infected mice treated with intraperitoneal injection of sterile phosphate-buffered saline daily for 10 days.Mice in VMC group received intraperitoneal CVB3 injection (0...
September 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29026770/coxsackie-encephalitis-in-a-child-in-western-india
#15
Ira Shah, Hemant Ambulkar
Enteroviral encephalitis in children has been rarely described from Western India. We describe a 5½-year-old child with Coxsackie encephalitis.
January 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29022248/coxsackievirus-b4-as-a-causative-agent-of-diabetes-mellitus-type-1-is-there-a-role-of-inefficiently-treated-drinking-water-and-sewage-in-virus-spreading
#16
Waled M El-Senousy, Adel Abdel-Moneim, Mahmoud Abdel-Latif, Mohamed H El-Hefnawy, Rehab G Khalil
This study proposed to detect the enterovirus (EV) infection in children with type 1 diabetes mellitus (T1D) and to assess the role of insufficiently treated water and sewage as sources of viral spreading. Three hundred and eighty-two serum specimens of children with T1D, one hundred serum specimens of children who did not suffer from T1D as control, and forty-eight water and sewage samples were screened for EV RNA using nested RT-PCR. The number of genome copies and infectious units of EVs in raw and treated sewage and water samples were investigated using real-time (RT)-PCR and plaque assay, respectively...
October 11, 2017: Food and Environmental Virology
https://www.readbyqxmd.com/read/28993161/new-class-of-early-stage-enterovirus-inhibitors-with-a-novel-mechanism-of-action
#17
Yipeng Ma, Rana Abdelnabi, Leen Delang, Mathy Froeyen, Walter Luyten, Johan Neyts, Carmen Mirabelli
4-dimethylamino benzoic acid (compound 12, synonym: 4EDMAB) was identified as an in vitro inhibitor of Coxsackie virus B3 (CVB3) replication in CPE-based assays (EC50 of 9.1 ± 1.5 μM). Next, the activity of twenty-three analogues was assessed, their structure-activity relationship was deduced and a more potent analogue was identified (EC50 of 2.6 ± 0.5 μM). The antiviral activity of 4EDMAB was further confirmed by quantifying viral RNA yield. Time-of-drug-addition assay revealed that 4EDMAB exerts its antiviral activity at the early stages of virus replication...
October 7, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28966225/a-case-report-of-fulminant-type-1-diabetes-mellitus-associated-with-drug-induced-hypersensitivity-syndrome-in-an-elderly-patient-with-coxsackie-b4-virus-infection-and-human-leukocyte-antigen-a24-haplotype
#18
Ayumu Takeno, Ippei Kanazawa, Miwa Morita, Kai Takedani, Hitomi Miyake, Masahiro Yamamoto, Kyoko Nogami, Sakae Kaneko, Toshitsugu Sugimoto
Drug-induced hypersensitivity syndrome (DIHS) is a severe systemic adverse drug reaction. Previous studies showed that DIHS is associated with the onset of fulminant type 1 diabetes mellitus (FT1D). Although genetic background and abnormalities in immune response or viral infection are considered to be associated with pathogenesis of FT1D, it remains unclear whether virus infection and specific human leukocyte antigen (HLA) typing are involved in DIHS-associated FT1D. Here, we report a case of a 78-year-old female patient with FT1D after DIHS treatment...
September 29, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28955482/decreased-cd3-cd16-cd56-natural-killer-cell-counts-in-children-with-orbital-myositis-a-clue-to-disease-activity
#19
Melissa R Briones, Gabrielle A Morgan, Maria C Amoruso, Bahram Rahmani, Maura E Ryan, Lauren M Pachman
The study aimed to document the utility of the absolute number of natural killer cells as a biomarker in paediatric orbital myositis (OM). Extracted data from four children with OM included demographics, laboratory values, imaging and treatment response. Stored sera (-80°C) were tested for IgG4 levels in three cases and antibody to Coxsackie B in two cases. Their first symptom was at 14.4±1.2 years (mean±SD). At diagnosis three had creatine phosphokinase (CPK) of 97.3±44.2, aldolase of 8.5±2.8 (n=2), alanine aminotransferase (ALT) of 13±2...
2017: RMD Open
https://www.readbyqxmd.com/read/28869866/synergistic-antitumor-effect-mediated-by-a-paclitaxel-conjugated-polymeric-micelle-coated-oncolytic-adenovirus
#20
Dayananda Kasala, Soo-Hwan Lee, Jin Woo Hong, Joung-Woo Choi, Kihoon Nam, Yoon Ho Chung, Sung Wan Kim, Chae-Ok Yun
Combination treatment consisting of oncolytic adenovirus (Ad) and paclitaxel (PTX) is a promising strategy to achieve synergistic antitumor effect. However, a co-administration approach is subject to inherent limitations due to the poor solubility of PTX and chemoresistance of tumor cells. In order to overcome these limitations, an oncolytic Ad expressing a p53 variant (oAd-vp53) that is resistant to p53 inactivation in the tumor microenvironment was complexed with PEGylated and PTX-conjugated polymeric micelle (APP)...
August 23, 2017: Biomaterials
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