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https://www.readbyqxmd.com/read/29342188/comparative-analysis-of-gene-expression-identifies-distinct-molecular-signatures-of-bone-marrow-and-periosteal-skeletal-stem-progenitor-cells
#1
Lorenzo Deveza, Laura Ortinau, Kevin Lei, Dongsu Park
Periosteum and bone marrow (BM) both contain skeletal stem/progenitor cells (SSCs) that participate in fracture repair. However, the functional difference and selective regulatory mechanisms of SSCs in different locations are unknown due to the lack of specific markers. Here, we report a comprehensive gene expression analysis of bone marrow SSCs (BM-SSCs), periosteal SSCs (P-SSCs), and more differentiated osteoprogenitors by using reporter mice expressing Interferon-inducible Mx1 and NestinGFP, previously known SSC markers...
2018: PloS One
https://www.readbyqxmd.com/read/29342134/chromosomal-instability-drives-metastasis-through-a-cytosolic-dna-response
#2
Samuel F Bakhoum, Bryan Ngo, Ashley M Laughney, Julie-Ann Cavallo, Charles J Murphy, Peter Ly, Pragya Shah, Roshan K Sriram, Thomas B K Watkins, Neil K Taunk, Mercedes Duran, Chantal Pauli, Christine Shaw, Kalyani Chadalavada, Vinagolu K Rajasekhar, Giulio Genovese, Subramanian Venkatesan, Nicolai J Birkbak, Nicholas McGranahan, Mark Lundquist, Quincey LaPlant, John H Healey, Olivier Elemento, Christine H Chung, Nancy Y Lee, Marcin Imielenski, Gouri Nanjangud, Dana Pe'er, Don W Cleveland, Simon N Powell, Jan Lammerding, Charles Swanton, Lewis C Cantley
Chromosomal instability is a hallmark of cancer that results from ongoing errors in chromosome segregation during mitosis. Although chromosomal instability is a major driver of tumour evolution, its role in metastasis has not been established. Here we show that chromosomal instability promotes metastasis by sustaining a tumour cell-autonomous response to cytosolic DNA. Errors in chromosome segregation create a preponderance of micronuclei whose rupture spills genomic DNA into the cytosol. This leads to the activation of the cGAS-STING (cyclic GMP-AMP synthase-stimulator of interferon genes) cytosolic DNA-sensing pathway and downstream noncanonical NF-κB signalling...
January 17, 2018: Nature
https://www.readbyqxmd.com/read/29341929/the-infection-of-red-seabream-iridovirus-in-mandarin-fish-siniperca-chuatsi-and-the-host-immune-related-gene-expression-profiles
#3
Xiaodan Liu, Nan Chen, Xiaojian Gao, Yingying Zhang, Xixi Li, Yue Zhang, Xuwen Bing, Hezhong Huang, Xiaojun Zhang
Red Sea bream iridovirus (RSIV) was initially isolated from marine fish, which belongs to Megalocytivirus, Iridoviridae. It can cause great economic losses in fish culture with high morbidity and mortality. In the present study, the pathogenicity and immune response associated with a RSIV genotype megalocytivirus infection were determined in mandarin fish (Siniperca chuatsi). Fish challenged showed typical clinical signs of iridovirus infection, including acute haemorrhages and enlarged visceral organs. Histopathological analysis revealed that extensive necrosis, vacuolization and inflammation were presented in the stomach, spleen, kidney and liver of the diseased fish...
January 13, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29341486/rheumatoid-arthritis-and-periodontal-disease-what-are-the-similarities-and-differences
#4
REVIEW
Rongbin Li, Cheng Tian, Arnold Postlethwaite, Yan Jiao, Franklin Garcia-Godoy, Debendra Pattanaik, Dongmei Wei, Weikuan Gu, Jianwei Li
Rheumatoid arthritis (RA) and periodontal disease (PD) are chronic inflammatory diseases that share similar osteoclasia, human leukocyte antigen-DR4 allelic genes and immunological profile, and characteristic cytokines. Smoking can contribute to more severe RA and PD; secretion of pro-inflammatory mediators destroys the soft synovial membrane and periodontium, respectively. Anti-citrullinated protein antibodies and anti-α-enolase antibody are characteristic of these two diseases. Some studies suggest that PD may be associated with RA...
December 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29341430/tuberculosis-vaccines-opportunities-and-challenges
#5
REVIEW
Bingdong Zhu, Hazel M Dockrell, Tom H M Ottenhoff, Thomas G Evans, Ying Zhang
Tuberculosis (TB) is a serious disease around the world. Bacillus Calmette-Guérin (BCG) is the only TB vaccine licensed for use in human beings, and is effective in protecting infants and children against severe miliary and meningeal TB. However, BCG's protective efficacy is variable in adults. Novel TB vaccine candidates being developed include whole-cell vaccines (recombinant BCG (rBCG), attenuated Mycobacterium tuberculosis, killed M. tuberculosis or Mycobacterium vaccae), adjuvanted protein subunit vaccines, viral vector-delivered subunit vaccines, plasmid DNA vaccines, RNA-based vaccines etc...
January 17, 2018: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/29340806/distribution-of-il28b-and-il10-polymorphisms-as-genetic-predictors-of-treatment-response-in-pakistani-hcv-genotype-3-patients
#6
Humaira Naeemi, Rabia Aslam, Syed Mohsin Raza, Muhammad Aiman Shahzad, Shagufta Naz, Sobia Manzoor, Saba Khaliq
There are over 10 million hepatitis C virus (HCV)-infected patients in Pakistan. For these patients, a combination of interferon with ribavirin is the most economical and easily available treatment. Single-nucleotide polymorphisms in interleukin genes have been reported to be associated with the pathogenesis and clearance of HCV, and sustained virologic response (SVR). An interleukin 28B (IL28B) gene polymorphism has been shown to modify treatment outcomes, but the effects of interleukin 10 (IL10) polymorphisms have not been previously assessed in the Pakistani population...
January 16, 2018: Archives of Virology
https://www.readbyqxmd.com/read/29340698/simultaneous-detection-of-chicken-cytokines-in-plasma-samples-using-the-bio-plex-assay
#7
Jitka Mucksová, Karel Chalupský, Jirí Plachý, Jirí Kalina, Pavla Rachacová, Ondrej Stanek, Pavel Trefil
A chicken multiplex cytokine assay (Bio-Plex) to detect four different cytokines (IL-2, IL-12, IL-10, and interferon gamma) simultaneously in plasma samples was designed. Most standard curves range between 1 to 5 pg/mL and 5,000 pg/mL, except for IFNγ with the range of 50 to 25,000 pg/mL. Such a chicken multiplex assay proved to be fast and reliable, and comparable in sensitivity, accuracy, and reproducibility to conventional enzyme-linked immunosorbent assays. Comparison of the multiplex assay with the ELISA technique using the same clones of detection and capture antibodies resulted in correlation coefficients for all cytokines ranging from 0...
January 11, 2018: Poultry Science
https://www.readbyqxmd.com/read/29339738/dna-methyltransferase-inhibition-upregulates-mhc-i-to-potentiate-cytotoxic-t-lymphocyte-responses-in-breast-cancer
#8
Na Luo, Mellissa J Nixon, Paula I Gonzalez-Ericsson, Violeta Sanchez, Susan R Opalenik, Huili Li, Cynthia A Zahnow, Michael L Nickels, Fei Liu, Mohammed N Tantawy, Melinda E Sanders, H Charles Manning, Justin M Balko
Potentiating anti-tumor immunity by inducing tumor inflammation and T cell-mediated responses are a promising area of cancer therapy. Immunomodulatory agents that promote these effects function via a wide variety of mechanisms, including upregulation of antigen presentation pathways. Here, we show that major histocompatibility class-I (MHC-I) genes are methylated in human breast cancers, suppressing their expression. Treatment of breast cancer cell lines with a next-generation hypomethylating agent, guadecitabine, upregulates MHC-I expression in response to interferon-γ...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339435/corrected-and-republished-from-the-cop9-signalosome-interacts-with-and-regulates-interferon-regulatory-factor-5-protein-stability
#9
Justyna Korczeniewska, Betsy J Barnes
The transcription factor interferon regulatory factor 5 (IRF5) exerts crucial functions in the regulation of host immunity against extracellular pathogens, DNA damage-induced apoptosis, death receptor signaling, and macrophage polarization. Tight regulation of IRF5 is thus warranted for an efficient response to extracellular stressors and for limiting autoimmune and inflammatory responses. Here we report that the COP9 signalosome (CSN), a general modulator of diverse cellular and developmental processes, associates constitutively with IRF5 and promotes its protein stability...
February 1, 2018: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/29339432/deregulation-of-hdac5-by-viral-interferon-regulatory-factor-3-plays-an-essential-role-in-kaposi-s-sarcoma-associated-herpesvirus-induced-lymphangiogenesis
#10
Hye-Ra Lee, Fan Li, Un Yung Choi, Hye Ryun Yu, Grace M Aldrovandi, Pinghui Feng, Shou-Jiang Gao, Young-Kwon Hong, Jae U Jung
Kaposi's sarcoma-associated herpesvirus (KSHV) is the etiologic agent for Kaposi's sarcoma (KS), which is one of the most common HIV-associated neoplasms. The endothelium is the thin layer of squamous cells where vascular blood endothelial cells (BECs) line the interior surface of blood vessels and lymphatic endothelial cells (LECs) are in direct contact with lymphatic vessels. The KS lesions contain a prominent compartment of neoplastic spindle morphology cells that are closely related to LECs. Furthermore, while KSHV can infect both LECs and BECs in vitro, its infection activates genetic programming related to lymphatic endothelial cell fate, suggesting that lymphangiogenic pathways are involved in KSHV infection and malignancy...
January 16, 2018: MBio
https://www.readbyqxmd.com/read/29339392/a-novel-piperazine-based-drug-lead-for-cryptosporidiosis-from-the-medicines-for-malaria-venture-open-access-malaria-box
#11
R S Jumani, K Bessoff, M S Love, P Miller, E E Stebbins, J E Teixeira, M A Campbell, M J Meyers, J A Zambriski, V Nunez, A K Woods, C W McNamara, C D Huston
Cryptosporidiosis causes life-threatening diarrhea in children under age five, and prolonged diarrhea in immunodeficient people, especially AIDS patients. The standard of care, nitazoxanide, is modestly effective in children and ineffective in immunocompromised individuals. In addition to a need for new drugs, better knowledge of drug properties that drive in vivo efficacy is needed to facilitate drug development. We report identification of a piperazine-based lead compound for Cryptosporidium drug development, MMV665917, and a new pharmacodynamic method used for its characterization...
January 16, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29339104/region-specific-innate-antiviral-responses-of-the-human-epididymis
#12
James A Browne, Shih Hsing Leir, Scott Eggener, Ann Harris
Viral infections of the epididymis are associated with epididymitis, which damages the epithelium and impairs fertility. We showed previously that innate immune response genes were differentially expressed in the corpus and cauda region of the human epididymis in comparison to the caput. Here we investigate the antiviral defense response mechanisms of human epididymis epithelial (HEE) cells. Toll-like receptor (TLR) 3 and retinoic acid-inducible gene I (RIG-I)-like receptors (RLRs) are enriched in HEE cells from the corpus and cauda region...
January 12, 2018: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/29339070/involvement-of-interferon-regulatory-factor-3-from-the-barbel-chub-squaliobarbus-curriculus-in-the-immune-response-against-grass-carp-reovirus
#13
Ronghua Wang, Yaoguo Li, Zhiyu Zhou, Qiaolin Liu, Lingbing Zeng, Tiaoyi Xiao
The barbel chub Squaliobarbus curriculus is an important commercial fish species in China, and has shown significant resistance to grass carp reovirus (GCRV). In this study, the cDNA sequence of interferon regulatory factors 3 (IRF3) from Squaliobarbus curriculus, designated as ScIRF3, was cloned, and its effect against GCRV was investigated. The full-length 1837 base pair (bp) cDNA of ScIRF3 contained a complete open reading frame of 1374 bp and encoded a putative polypeptide of 457 amino acid residues. The ScIRF3 protein contained conserved domains, including an N-terminal DNA-binding domain, a C-terminal IRF association domain, and a serine-rich domain...
January 12, 2018: Gene
https://www.readbyqxmd.com/read/29338732/transcriptional-profile-and-epstein-barr-virus-infection-status-of-laser-cut-immune-infiltrates-from-the-brain-of-patients-with-progressive-multiple-sclerosis
#14
Caterina Veroni, Barbara Serafini, Barbara Rosicarelli, Corrado Fagnani, Francesca Aloisi
BACKGROUND: It is debated whether multiple sclerosis (MS) might result from an immunopathological response toward an active Epstein-Barr virus (EBV) infection brought into the central nervous system (CNS) by immigrating B cells. Based on this model, a relationship should exist between the local immune milieu and EBV infection status in the MS brain. To test this hypothesis, we analyzed expression of viral and cellular genes in brain-infiltrating immune cells. METHODS: Twenty-three postmortem snap-frozen brain tissue blocks from 11 patients with progressive MS were selected based on good RNA quality and prominent immune cell infiltration...
January 16, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29338588/epstein-barr-virus-infection-and-type-i-interferon-signature-in-patients-with-systemic-lupus-erythematosus
#15
L Han, Y Zhang, Q Wang, M Xin, K Yang, K Lei, M Sun
Epstein-Barr (EB) virus infection has long been speculated to evoke systemic lupus erythematosus (SLE). Since a virus infection can induce interferon (IFN) system activation, we aimed to discover the relationship between the two in the progression of SLE in a Chinese inpatient cohort. Methods Peripheral blood mononuclear cells and sera were isolated from 116 SLE patients and 76 healthy controls. Antibodies against EBV-VCA (IgM and IgG) and EBNA (IgG) along with IFNα in patient sera were detected with enzyme-linked immunosorbent assays...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29338543/lucidone-suppresses-dengue-viral-replication-through-the-induction-of-heme-oxygenase-1
#16
Wei-Chun Chen, Chin-Kai Tseng, Chun-Kuang Lin, Shen-Nien Wang, Wen-Hung Wang, Shih-Hsien Hsu, Yu-Hsuan Wu, Ling-Chien Hung, Yen-Hsu Chen, Jin-Ching Lee
Dengue virus (DENV) infection causes life-threatening diseases such as dengue hemorrhagic fever and dengue shock syndrome. Currently, there is no effective therapeutic agent or vaccine against DENV infection; hence, there is an urgent need to discover anti-DENV agents. The potential therapeutic efficacy of lucidone was first evaluated in vivo using a DENV-infected Institute of Cancer Research (ICR) suckling mouse model by monitoring body weight, clinical score, survival rate, and viral titer. We found that lucidone effectively protected mice from DENV infection by sustaining survival rate and reducing viral titers in DENV-infected ICR suckling mice...
January 17, 2018: Virulence
https://www.readbyqxmd.com/read/29338388/novel-fusion-protein-targeting-mitochondrial-dna-improves-pancreatic-islet-functional-potency-and-islet-transplantation-outcomes
#17
Juan S Danobeitia, Peter J Chlebeck, Inna Shokolenko, Xiaobo Ma, Glenn Wilson, Luis A Fernandez
Long-term graft survival is an ongoing challenge in the field of islet transplantation. With the growing demand for transplantable organs, therapies to improve organ quality and reduce the incidence of graft dysfunction are of paramount importance. We evaluated the protective role of a recombinant DNA repair protein targeted to mitochondria (Exscien I-III), as a therapeutic agent using a rodent model of pancreatic islet transplantation. We first investigated the effect of therapy on isolated rat islets cultured with pro-inflammatory cytokines (interleukin-1 β, interferon γ, and tumor necrosis factor α) for 48 h and documented a significant reduction in apoptosis by flow cytometry, improved viability by immunofluorescence, and conserved functional potency in vitro and in vivo in Exscien I-III-treated islets...
November 2017: Cell Transplantation
https://www.readbyqxmd.com/read/29337856/interaction-between-hepatitis-b-virus-and-toll-like-receptors-current-status-and-potential-therapeutic-use-for-chronic-hepatitis-b
#18
REVIEW
Zhiyong Ma, Qian Cao, Yong Xiong, Ejuan Zhang, Mengji Lu
Immune defense against infection with the hepatitis B virus (HBV) is complex and involves both host innate and adaptive immune systems. It is well accepted that the development of sufficient HBV-specific T cell and B cell responses are required for controlling an HBV infection. However, the contribution of innate immunity to removing HBV has been explored in recent years. Toll-like receptors (TLRs) are recognized as the first line of antiviral immunity because they initiate intracellular signaling pathways to induce antiviral mediators such as interferons (IFNs) and other cytokines...
January 16, 2018: Vaccines
https://www.readbyqxmd.com/read/29337425/distinct-gene-expression-profiles-and-regulation-networks-of-nasal-polyps-in-eosinophilic-and-non-eosinophilic-chronic-rhinosinusitis
#19
Naoko Okada, Tsuguhisa Nakayama, Daiya Asaka, Natsuki Inoue, Tadao Tsurumoto, Shinya Takaishi, Nobuyoshi Otori, Hiromi Kojima, Akio Matsuda, Keisuke Oboki, Hirohisa Saito, Kenji Matsumoto, Mamoru Yoshikawa
BACKGROUND: Chronic rhinosinusitis with nasal polyps (CRSwNP) is known to have 2 phenotypes in East Asia. Eosinophilic CRSwNP (ECRSwNP), defined as tissue eosinophilia and easily recurrent, is distinguished from other non-eosinophilic CRSwNP (NECRSwNP) types. However, the pathogenesis of each remains unclear. METHODS: Nasal polyp tissues from ECRS (ECRSwNP) and NECRS (NECRSwNP) patients were obtained, and their comprehensive gene expression profiles were investigated by microarray analysis...
January 16, 2018: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/29337419/evolution-of-resistance-to-chytridiomycosis-is-associated-with-a-robust-early-immune-response
#20
Laura F Grogan, Scott D Cashins, Lee F Skerratt, Lee Berger, Michael S McFadden, Peter Harlow, David A Hunter, Ben C Scheele, Jason Mulvenna
Potentiating the evolution of immunity is a promising strategy for addressing biodiversity diseases. Assisted selection for infection resistance may enable the recovery and persistence of amphibians threatened by chytridiomycosis; a devastating fungal skin disease threatening hundreds of species globally. However, knowledge of the mechanisms involved in the natural evolution of immunity to chytridiomycosis is limited. Understanding the mechanisms of such resistance may help speed assisted-selection. Using a transcriptomics approach we examined gene expression responses of endangered alpine tree frogs (Litoria verreauxii alpina) to subclinical infection, comparing two long-exposed populations with a naïve population...
January 16, 2018: Molecular Ecology
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