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https://www.readbyqxmd.com/read/28728796/-lifetime-psychiatric-disorders-a-comparision-study-between-offspring-of-parents-with-bipolar-disorder-type-i-versus-the-offspring-of-community-controls-parents
#1
Juan David Palacio-Ortiz, Cristian Esteban Peña-Quintero, María Alejandra Gómez-Valero, Paula Andrea Bustamante-Gómez, Pilar Helena Arroyave-Sierra, Cristian David Vargas-Upeguí, Carlos López-Jaramillo
INTRODUCTION: Literature reports show that Bipolar Offspring (BO) present with a wide range of psychiatric disorders. Comparison between BO and Control Parent Offspring (CPO) may help to identify which psychopathological findings are specific to this high-risk group. OBJECTIVE: To compare the psychopathological characteristics between a group of BO type-I and a group of CPO, by identifying the presence of psychiatric disorders according the DSM-IV-TR. METHODS: A descriptive-correlational, cross-sectional and comparative study was conducted with 127 offspring of parents with bipolar disorder type-I from the multimodal intervention program (PRISMA) and with 150 CPO between 6 and 30 years of age...
July 2017: Revista Colombiana de Psiquiatría
https://www.readbyqxmd.com/read/28719146/natural-compounds-in-cancer-prevention-effects-of-coffee-extracts-and-their-main-polyphenolic-component-5-cqa-on-oncogenic-ras-proteins
#2
Alessandro Palmioli, Carlotta Cairamelli, Renata Tisi, Michela Spinelli, Gaia De Sanctis, Elena Sacco, Cristina Airoldi
Recent epidemiological studies demonstrate that consumption of healthy foods, especially rich in polyphenols content, might reduce the incidence of cancer and degenerative diseases. In particular, chlorogenic acids (CGAs) occur ubiquitously in food, representing the most abundant polyphenols in the human diet. A number of CGA beneficial biological effects, including anti-inflammatory activity, anti-carcinogenic activity and protection against neurodegenerative diseases have been reported. However, the molecular mechanisms at the basis of these biological activities have not yet been investigated in depth...
July 18, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28717041/activation-of-sting-in-hepatocytes-suppresses-the-replication-of-hepatitis-b-virus
#3
Fang Guo, Liudi Tang, Sainan Shu, Mohit Sehgal, Muhammad Sheraz, Bowei Liu, Qiong Zhao, Junjun Cheng, Xuesen Zhao, Tianlun Zhou, Jinhong Chang, Ju-Tao Guo
Induction of interferon and proinflammatory cytokines is a hallmark of the infection of many different viruses. However, hepatitis B virus (HBV) does not elicit a detectable cytokine response in infected hepatocytes. In order to investigate the molecular mechanism underlying the innate immune evasion, a functional cGAS-STING pathway was reconstituted in a human hepatoma cell line supporting tetracycline-inducible HBV replication. It was demonstrated that induction of HBV replication neither activated nor inhibited this cytosolic DNA sensing pathway...
July 17, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28712728/hexim1-and-neat1-long-non-coding-rna-form-a-multi-subunit-complex-that-regulates-dna-mediated-innate-immune-response
#4
Mehdi Morchikh, Alexandra Cribier, Raoul Raffel, Sonia Amraoui, Julien Cau, Dany Severac, Emeric Dubois, Olivier Schwartz, Yamina Bennasser, Monsef Benkirane
The DNA-mediated innate immune response underpins anti-microbial defenses and certain autoimmune diseases. Here we used immunoprecipitation, mass spectrometry, and RNA sequencing to identify a ribonuclear complex built around HEXIM1 and the long non-coding RNA NEAT1 that we dubbed the HEXIM1-DNA-PK-paraspeckle components-ribonucleoprotein complex (HDP-RNP). The HDP-RNP contains DNA-PK subunits (DNAPKc, Ku70, and Ku80) and paraspeckle proteins (SFPQ, NONO, PSPC1, RBM14, and MATRIN3). We show that binding of HEXIM1 to NEAT1 is required for its assembly...
July 10, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28704551/opposing-roles-of-toll-like-receptor-and-cytosolic-dna-sting-signaling-pathways-for-staphylococcus-aureus-cutaneous-host-defense
#5
Philip O Scumpia, Giovanni A Botten, Joshua S Norman, Kindra M Kelly-Scumpia, Roberto Spreafico, Amber R Ruccia, Prabhat K Purbey, Brandon J Thomas, Robert L Modlin, Stephen T Smale
Successful host defense against pathogens requires innate immune recognition of the correct pathogen associated molecular patterns (PAMPs) by pathogen recognition receptors (PRRs) to trigger the appropriate gene program tailored to the pathogen. While many PRR pathways contribute to the innate immune response to specific pathogens, the relative importance of each pathway for the complete transcriptional program elicited has not been examined in detail. Herein, we used RNA-sequencing with wildtype and mutant macrophages to delineate the innate immune pathways contributing to the early transcriptional response to Staphylococcus aureus, a ubiquitous microorganism that can activate a wide variety of PRRs...
July 13, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28698384/palmitic-acid-dysregulates-the-hippo-yap-pathway-and-inhibits-angiogenesis-by-inducing-mitochondrial-damage-and-activating-the-cytosolic-dna-sensor-cgas-sting-irf3-signaling
#6
Liangshuai Yuan, Yun Mao, Wei Luo, Weiwei Wu, Hao Xu, Xing Li Wang, Ying H Shen
Impaired angiogenesis and wound healing carry significant morbidity and mortality in diabetic patients. Metabolic stress from hyperglycemia and elevated free fatty acids have been shown to inhibit endothelial angiogenesis. However, the underlying mechanisms remain poorly understood. In this study, we show that dysregulation of the Hippo-YAP pathway, an important signaling in regulating tissue repair and regeneration, underlies palmitic acid (PA) -induced inhibition of endothelial angiogenesis. PA inhibited endothelial cell proliferation, migration and tube formation, which were associated with increased MST1 expression, YAP phosphorylation/inactivation and nuclear exclusion...
July 11, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28682554/-effects-of-cytosolic-bacteria-on-cyclic-gmp-amp-synthase-expression-in-human-gingival-tissues-and-periodontal-ligament-cells
#7
Yang Xiaojun, Tan Yongmei, Tian Zhihui, Zhou Ting, Zhao Wanghong, Hou Jin
OBJECTIVE: This work aims to determine the effect of cytosolic bacteria on the expression of cyclic GMP-AMP synthase (cGAS) in human periodontal ligament cells (hPDLCs) and gingival tissues. METHODS: The ability of Porphyromonas gingivalis (P. gingivalis) to invade hPDLCs was detected using laser scanning confocal microscope assay at a multiplicity of infection of 10. P. gingivalis-infected cells were sorted by fluorescence-activated cell sorting (FACS). Then, quantitative real time reverse transcription polymerase chain reaction (qRT-PCR) and Western blot were used to detect cGAS expression in infected cells...
April 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28680756/amplification-of-n-myc-is-associated-with-a-t-cell-poor-microenvironment-in-metastatic-neuroblastoma-restraining-interferon-pathway-activity-and-chemokine-expression
#8
Julian P Layer, Marie T Kronmüller, Thomas Quast, Debby van den Boorn-Konijnenberg, Maike Effern, Daniel Hinze, Kristina Althoff, Alexander Schramm, Frank Westermann, Martin Peifer, Gunther Hartmann, Thomas Tüting, Waldemar Kolanus, Matthias Fischer, Johannes Schulte, Michael Hölzel
Immune checkpoint inhibitors have significantly improved the treatment of several cancers. T-cell infiltration and the number of neoantigens caused by tumor-specific mutations are correlated to favorable responses in cancers with a high mutation load. Accordingly, checkpoint immunotherapy is thought to be less effective in tumors with low mutation frequencies such as neuroblastoma, a neuroendocrine tumor of early childhood with poor outcome of the high-risk disease group. However, spontaneous regressions and paraneoplastic syndromes seen in neuroblastoma patients suggest substantial immunogenicity...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28627269/profiling-and-identification-of-chlorogenic-acid-metabolites-in-rats-by-ultra-high-performance-liquid-chromatography-coupled-with-linear-ion-trap-orbitrap-mass-spectrometer
#9
Fei Wang, Zhanpeng Shang, Lulu Xu, Zhibin Wang, Wenjing Zhao, XiaoDan Mei, Jianqiu Lu, Jiangyu Zhang
1. Chlorogenic acids (CGAs), one kind of major bioactive constituents isolated from Flos Lonicerae Japonicae, possess many biological activities, such as antibacterial, antioxidant, and antiviral activities. In this study, we established an efficient strategy using ultra-high-performance liquid chromatography coupled with linear ion trap-Orbitrap mass spectrometry (UHPLC-LTQ-Orbitrap MS) to profile the in vivo metabolic fate of CGAs in rat urine and plasma. 2. The extract from Flos Lonicerae Japonicae was orally administrated to Sprague-Dawley (SD) rats at a dose of 1000 mg/kg body weight...
June 19, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/28626020/lack-of-effect-of-vitamin-d3-supplementation-in-autism-a-20-week-placebo-controlled-rct
#10
Conor P Kerley, Clare Power, Louise Gallagher, David Coghlan
OBJECTIVES: Data suggest a potential role for vitamin D in autism spectrum disorder (ASD). We wanted to assess the effect of vitamin D3 supplementation compared with placebo in children with ASD. DESIGN: This was a double-blind, randomised, placebo-controlled trial. SETTING: A paediatric outpatient centre at high latitude over the winter season in Dublin, Ireland (53°N). PATIENTS: 42 children with ASD. INTERVENTIONS: 2000 IU vitamin D3 supplementation or placebo daily for 20 weeks...
June 16, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28622119/caffeine-adsorption-of-montmorillonite-in-coffee-extracts
#11
Takashi Shiono, Kenichiro Yamamoto, Yuko Yotsumoto, Aruto Yoshida
The growth in health-conscious consumers continues to drive the demand for a wide variety of decaffeinated beverages. We previously developed a new technology using montmorillonite (MMT) in selective decaffeination of tea extract. This study evaluated and compared decaffeination of coffee extract using MMT and activated carbon (AC). MMT adsorbed caffeine without significant adsorption of caffeoylquinic acids (CQAs), feruloylquinic acids (FQAs), dicaffeoylquinic acids (di-CQAs), or caffeoylquinic lactones (CQLs)...
June 16, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28621174/associations-between-family-and-clinician-ratings-of-child-mental-health-a-study-of-uk-camhs-assessments-and-outcomes
#12
Dion N Terrelonge, Andrew Jb Fugard
BACKGROUND: The rated severity of child mental health problems depends on who is doing the rating, whether child, carer or clinician. It is important to know how these ratings relate to each other. AIMS: To investigate to what extent clinicians' views are associated with carers' and young people's views in routine care in the United Kingdom. METHOD: Ratings of clinician and parent/child viewpoints from a large Child and Adolescent Mental Health Services (CAMHS) sample ( ns 1773-47,299), as measured by the Children's Global Assessment Scale (CGAS) and Strengths and Difficulties Questionnaire (SDQ) respectively, were analysed...
June 1, 2017: Clinical Child Psychology and Psychiatry
https://www.readbyqxmd.com/read/28620207/dengue-virus-activates-cgas-through-the-release-of-mitochondrial-dna
#13
Bo Sun, Karin B Sundström, Jun Jie Chew, Pradeep Bist, Esther S Gan, Hwee Cheng Tan, Kenneth C Goh, Tanu Chawla, Choon Kit Tang, Eng Eong Ooi
Cyclic GMP-AMP synthetase (cGAS) is a DNA-specific cytosolic sensor, which detects and initiates host defense responses against microbial DNA. It is thus curious that a recent study identified cGAS as playing important roles in inhibiting positive-sense single-stranded RNA (+ssRNA) viral infection, especially since RNA is not known to activate cGAS. Using a dengue virus serotype 2 (DENV-2) vaccine strain (PDK53), we show that infection creates an endogenous source of cytosolic DNA in infected cells through the release of mitochondrial DNA (mtDNA) to drive the production of cGAMP by cGAS...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28615462/posttranslational-modification-as-a-critical-determinant-of-cytoplasmic-innate-immune-recognition
#14
REVIEW
Paul J Baker, Dominic De Nardo, Fiona Moghaddas, Le Son Tran, Annabell Bachem, Tan Nguyen, Thomas Hayman, Hazel Tye, James E Vince, Sammy Bedoui, Richard L Ferrero, Seth L Masters
Cell surface innate immune receptors can directly detect a variety of extracellular pathogens to which cytoplasmic innate immune sensors are rarely exposed. Instead, within the cytoplasm, the environment is rife with cellular machinery and signaling pathways that are indirectly perturbed by pathogenic microbes to activate intracellular sensors, such as pyrin, NLRP1, NLRP3, or NLRC4. Therefore, subtle changes in key intracellular processes such as phosphorylation, ubiquitination, and other pathways leading to posttranslational protein modification are key determinants of innate immune recognition in the cytoplasm...
July 1, 2017: Physiological Reviews
https://www.readbyqxmd.com/read/28606027/factors-affecting-improvement-of-children-and-adolescents-who-were-treated-in-the-child-and-adolescent-psychiatry-inpatient-unit
#15
Burcu Serim Demirgoren, Aylin Ozbek, Ozlem Gencer
Objective This study aimed to assess the correlates and predictors of improvement in general functioning of children and adolescents who are treated in the child and adolescent psychiatry (CAMHS) inpatient unit. Methods Hospital records of 308 children and adolescents who were treated for at least 1 month in the CAMHS inpatient unit from 2005-2016 were included. Associations with individual, familial, and clinical variables and the difference in Children's Global Assessment Scale (ΔCGAS) scores at admission and discharge were evaluated...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28598415/dna-exonuclease-trex1-regulates-radiotherapy-induced-tumour-immunogenicity
#16
Claire Vanpouille-Box, Amandine Alard, Molykutty J Aryankalayil, Yasmeen Sarfraz, Julie M Diamond, Robert J Schneider, Giorgio Inghirami, C Norman Coleman, Silvia C Formenti, Sandra Demaria
Radiotherapy is under investigation for its ability to enhance responses to immunotherapy. However, the mechanisms by which radiation induces anti-tumour T cells remain unclear. We show that the DNA exonuclease Trex1 is induced by radiation doses above 12-18 Gy in different cancer cells, and attenuates their immunogenicity by degrading DNA that accumulates in the cytosol upon radiation. Cytosolic DNA stimulates secretion of interferon-β by cancer cells following activation of the DNA sensor cGAS and its downstream effector STING...
June 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28580319/the-association-of-oasl-and-type-i-interferons-in-the-pathogenesis-and-survival-of-intracellular-replicating-bacterial-species
#17
REVIEW
Gina Leisching, Ian Wiid, Bienyameen Baker
The type I IFN response quickly became associated with its role in the innate immune response to viral infection. The past few years have seen the significance of IFNs expand in breadth to include non-viral pathogens. Previous work has identified that following viral infection, type I IFN signaling induces the production of the 2'-5'-oligoadenylate synthetase (OAS) family, which include OAS1, OAS2, OAS3, and OAS-like (OASL) protein. OASL was identified to be strongly induced following viral infection through engaging the RNA sensor RIG-I and increasing signaling through this pathway to enhance the anti-viral type I IFN response...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28570638/detection-of-a-microbial-metabolite-by-sting-regulates-inflammasome-activation-in-response-to-chlamydia-trachomatis-infection
#18
Steve J Webster, Sven Brode, Lou Ellis, Timothy J Fitzmaurice, Matthew J Elder, Nelson O Gekara, Panagiotis Tourlomousis, Clare Bryant, Simon Clare, Ronnie Chee, Hill J S Gaston, Jane C Goodall
The innate immune system is a critical component of host defence against microbial pathogens, but effective responses require an ability to distinguish between infectious and non-infectious insult to prevent inappropriate inflammation. Using the important obligate intracellular human pathogen Chlamydia trachomatis; an organism that causes significant immunopathology, we sought to determine critical host and pathogen factors that contribute to the induction of inflammasome activation. We assayed inflammasome activation by immunoblotting and ELISA to detect IL-1β processing and LDH release to determine pyroptosis...
June 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28533362/cgas-is-essential-for-cellular-senescence
#19
Hui Yang, Hanze Wang, Junyao Ren, Qi Chen, Zhijian J Chen
Cellular senescence is a natural barrier to tumorigenesis and it contributes to the antitumor effects of several therapies, including radiation and chemotherapeutic drugs. Senescence also plays an important role in aging, fibrosis, and tissue repair. The DNA damage response is a key event leading to senescence, which is characterized by the senescence-associated secretory phenotype (SASP) that includes expression of inflammatory cytokines. Here we show that cGMP-AMP (cGAMP) synthase (cGAS), a cytosolic DNA sensor that activates innate immunity, is essential for senescence...
June 6, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28490590/the-c-terminus-of-the-herpes-simplex-virus-ul25-protein-is-required-for-release-of-viral-genomes-from-capsids-bound-to-nuclear-pores
#20
Jamie B Huffman, Gina R Daniel, Erik Falck-Pedersen, Alexis Huet, Greg A Smith, James F Conway, Fred L Homa
The herpes simplex virus (HSV) capsid is released into the cytoplasm after fusion of viral and host membranes, whereupon dynein-dependent trafficking along microtubules targets it to the nuclear envelope. Binding of the capsid to the nuclear pore complex (NPC) is mediated by the capsid protein pUL25 and the capsid-tethered tegument protein pUL36. Temperature-sensitive mutants in both pUL25 and pUL36 dock at the NPC but fail to release DNA. The uncoating reaction has been difficult to study due to the rapid release of the genome once the capsid interacts with the nuclear pore...
August 1, 2017: Journal of Virology
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