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https://www.readbyqxmd.com/read/28548957/involvement-of-p38-%C3%AE-trcp-tristetraprolin-tnf%C3%AE-axis-in-radiation-pneumonitis
#1
Pranathi Meda Krishnamurthy, Shirish Shukla, Paramita Ray, Rohit Mehra, Mukesh K Nyati, Theodore S Lawrence, Dipankar Ray
Early release of tumor necrosis factor-alpha (TNF-α) during radiotherapy of thoracic cancers plays an important role in radiation pneumonitis, whose inhibition may provide lung radioprotection. We previously reported radiation inactivates Tristetraprolin (TTP), a negative regulator of TNF-α synthesis, which correlated with increased TNF-α release. However, the molecular events involved in radiation-induced TTP inactivation remain unclear. To determine if eliminating Ttp in mice resulted in a phenotypic response to radiation, Ttp-null mice lungs were exposed to a single dose of 15 Gy, and TNF-α release and lung inflammation were analyzed at different time points post-irradiation...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548102/replicating-viral-vector-platform-exploits-alarmin-signals-for-potent-cd8-t-cell-mediated-tumour-immunotherapy
#2
Sandra M Kallert, Stephanie Darbre, Weldy V Bonilla, Mario Kreutzfeldt, Nicolas Page, Philipp Müller, Matthias Kreuzaler, Min Lu, Stéphanie Favre, Florian Kreppel, Max Löhning, Sanjiv A Luther, Alfred Zippelius, Doron Merkler, Daniel D Pinschewer
Viral infections lead to alarmin release and elicit potent cytotoxic effector T lymphocyte (CTL(eff)) responses. Conversely, the induction of protective tumour-specific CTL(eff) and their recruitment into the tumour remain challenging tasks. Here we show that lymphocytic choriomeningitis virus (LCMV) can be engineered to serve as a replication competent, stably-attenuated immunotherapy vector (artLCMV). artLCMV delivers tumour-associated antigens to dendritic cells for efficient CTL priming. Unlike replication-deficient vectors, artLCMV targets also lymphoid tissue stroma cells expressing the alarmin interleukin-33...
May 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28547893/feeling-unrestricted-by-rules-ostracism-promotes-aggressive-responses
#3
Kai-Tak Poon, Fei Teng
The current research consisted of three studies (overall N = 338; 59 men; mean age = 19.98; SD = 1.75), which aimed to examine whether ostracism promotes aggression through enhanced feelings of rule negligence by adopting a multi-method approach. Participants were undergraduate students in a public university in Hong Kong and they only participated in one of the three studies. The results showed that ostracized participants reported higher levels of rule negligence and aggression than non-ostracized participants (Studies 1 and 2)...
May 26, 2017: Aggressive Behavior
https://www.readbyqxmd.com/read/28547738/implementing-health-promotion-activities-using-community-engaged-approaches-in-asian-american-faith-based-organizations-in-new-york-city-and-new-jersey
#4
S C Kwon, S Patel, C Choy, J Zanowiak, C Rideout, S Yi, L Wyatt, M D Taher, M J Garcia-Dia, S S Kim, T K Denholm, R Kavathe, N S Islam
Faith-based organizations (FBOs) (e.g., churches, mosques, and gurdwaras) can play a vital role in health promotion. The Racial and Ethnic Approaches to Community Health for Asian Americans (REACH FAR) Project is implementing a multi-level and evidence-based health promotion and hypertension (HTN) control program in faith-based organizations serving Asian American (AA) communities (Bangladeshi, Filipino, Korean, Asian Indian) across multiple denominations (Christian, Muslim, and Sikh) in New York/New Jersey (NY/NJ)...
May 25, 2017: Translational Behavioral Medicine
https://www.readbyqxmd.com/read/28547650/lysosomal-destabilization-activates-the-nlrp3-inflammasome-in-human-umbilical-vein-endothelial-cells-huvecs
#5
K Kinnunen, N Piippo, S Loukovaara, M Hytti, K Kaarniranta, A Kauppinen
Inflammation is a crucial component in the pathogenesis of many vascular diseases, such as atherosclerosis and diabetes. Inflammasomes are intracellular signalling complexes whose activation promotes inflammation. Nucleotide-binding domain and Leucine-rich repeat Receptor containing a Pyrin domain 3 (NLRP3) is a pattern recognition receptor (PRR) forming the best-known inflammasome. Disturbances in NLRP3 have been associated with multiple diseases. The purpose of this study was to explore the lysosomal destabilization-related NLRP3 inflammasome signaling pathway in human endothelial cells...
May 25, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28546962/recent-advances-of-curcumin-in-the-prevention-and-treatment-of-renal-fibrosis
#6
REVIEW
Xuejiao Sun, Yi Liu, Cheng Li, Xiting Wang, Ruyuan Zhu, Chenyue Liu, Haixia Liu, Lili Wang, Rufeng Ma, Min Fu, Dongwei Zhang, Yu Li
Curcumin, a polyphenol derived from the turmeric, has received attention as a potential treatment for renal fibrosis primarily because it is a relatively safe and inexpensive compound that contributes to kidney health. Here, we review the literatures on the applications of curcumin in resolving renal fibrosis in animal models and summarize the mechanisms of curcumin and its analogs (C66 and (1E,4E)-1,5-bis(2-bromophenyl) penta-1,4-dien-3-one(B06)) in preventing inflammatory molecules release and reducing the deposition of extracellular matrix at the priming and activation stage of renal fibrosis in animal models by consulting PubMed and Cnki databases over the past 15 years...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28546518/safety-immunogenicity-and-cross-species-protection-of-a-plasmid-dna-encoding-plasmodium-falciparum-sera5-polypeptide-microbial-epitopes-and-chemokine-genes-in-mice-and-olive-baboons
#7
Nyamongo Onkoba, Ruth M Mumo, Horace Ochanda, Charles Omwandho, Hastings S Ozwara, Thomas G Egwang
Incorporation of biomolecular epitopes to malarial antigens should be explored in the development of strain-transcending malarial vaccines. The present study sought to determine safety, immunogenicity and cross-species efficacy ofPlasmodium falciparum serine repeat antigen 5 polypeptide co-expressed with epitopes of Bacille-Calmette Guerin (BCG), tetanus toxoid (TT) and a chemokine gene. Olive baboons and BALB/c mice were randomly assigned into vaccine and control groups. The vaccine group animals were primed and boosted twice with pIRES plasmids encoding the SERA5+ BCG+ TT alone, or with either CCL5 or CCL20 and the control group with pIRES plasmid vector backbone...
April 6, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28546166/how-the-himalayas-primed-the-indonesian-tsunami
#8
Paul Voosen
No abstract text is available yet for this article.
May 26, 2017: Science
https://www.readbyqxmd.com/read/28546091/comparative-secretome-analysis-of-colletotrichum-falcatum-identifies-a-cerato-platanin-protein-epl1-as-a-potential-pathogen-associated-molecular-pattern-pamp-inducing-systemic-resistance-in-sugarcane
#9
N M R Ashwin, Leonard Barnabas, Amalraj Ramesh Sundar, Palaniyandi Malathi, Rasappa Viswanathan, Antonio Masi, Ganesh Kumar Agrawal, Randeep Rakwal
Colletotrichum falcatum, an intriguing hemibiotrophic fungal pathogen causes the devastating red rot disease of sugarcane. Repeated in vitro subculturing of C. falcatum under dark condition alters morphology and reduces virulence of the culture. Hitherto, no information is available on this phenomenon at molecular level. In this study, the in vitro secretome of C. falcatum cultured under light and dark conditions was analyzed using 2-DE coupled with MALDI TOF/TOF MS. Comparative analysis identified nine differentially abundant proteins...
May 22, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28546083/mechanisms-of-tolerance-and-potential-therapeutic-interventions-in-alopecia-areata
#10
REVIEW
Gabriel Skogberg, Sonya Jackson, Annika Åstrand
This review aims to address the mechanisms of compromised immune tolerance contributing to the development and maintenance of Alopecia Areata (AA). Our goal is to also highlight future treatment opportunities and therapeutics that will safely and efficiently restore hair growth and maintain patients in remission. AA is a presumptive autoimmune disorder that coincides and genetically clusters to several other autoimmune diseases. In this review, we pay attention to the learnings from the mechanistic research and drug development in these other autoimmune conditions...
May 22, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28545880/stepwise-preconditioning-enhances-mesenchymal-stem-cell-based-cartilage-regeneration-through-epigenetic-modification
#11
Sien Lin, Wayne Yuk Wai Lee, Liangliang Xu, Yujia Wang, Yuanfeng Chen, Kevin Ki Wai Ho, Ling Qin, Xiaohua Jiang, Liao Cui, Gang Li
OBJECTIVE: This study is to investigate the functions and underlying mechanisms of MSCs underwent stepwise preconditioning in chondrogenic medium before expansion, then further explore their therapeutic effects in a surgically induced OA model. METHODS: MSCs isolated from the adult rats expressing Green Fluorescence Protein (GFP) were incubated in basal medium or primed in chondrogenic medium before expansion. The multipotency including cell proliferation, differentiation, and survivability was compared between chondrogenic manipulated MSCs (M-MSCs) and untreated MSCs...
May 22, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28545624/drug-development-for-heart-failure-with-preserved-ejection-fraction-what-pieces-are-missing-from-the-puzzle
#12
REVIEW
Michele Senni, Stephen J Greene, Javed Butler, Gregg C Fonarow, Mihai Gheorghiade
Despite the growing number of patients with heart failure with preserved ejection fraction (HFpEF) and event rates comparable with many cancers, there remain no pharmacologic agents definitively proven to improve patient outcomes. Although phase II trials have intermittently yielded encouraging results, none have translated into successful achievement of a phase III primary end point. Thus, because of the urgent need to discover proven therapies, it is prudent to reevaluate our current approach to HFpEF drug development...
June 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28545043/a-multiplex-taqman-qpcr-assay-for-sensitive-and-rapid-detection-of-phytoplasmas-infecting-rubus-species
#13
Holger Linck, Erika Krüger, Annette Reineke
Rubus stunt is an economically important disease in the production of raspberries, blackberries, and loganberries. A fast, sensitive, and reliable diagnosis of phytoplasmas, the causal agent of the disease, is of prime importance to stop its spread by vegetative propagation and by insect vectors. Therefore, multiplex qPCR assays using TaqMan probes with different kinds of fluorophores in one reaction were developed, allowing the detection of phytoplasmas in general as well as a more specific detection of phytoplasmas belonging to group 16SrV and host DNA (either plant or insect)...
2017: PloS One
https://www.readbyqxmd.com/read/28544986/morphometric-characteristics-of-neutrophils-stimulated-by-adhesion-and-hypochlorite
#14
Tatsiana Kuznetsova, Tatsiana Kulahava, Ivan Zholnerevich, Nadezda Amaegberi, Galina Semenkova, Oleg Shadyro, Juergen Arnhold
The aim of this work was to compare cell form, size and volume as well as the locomotor activity of polymorphonuclear leukocytes (PMNLs) stimulated by adhesion to glass and exposed to hypochlorous acid at non-toxic dose. After 20min of adhesion to a glass surface, volume, cell surface area and projection area of PMNLs were equaled to 143.1±21.4μm(3), 288.8±28.8μm(2) and 248.3±32.3μm(2), respectively. Projection area of PMNLs exposed to NaOCl was noticeably enlarged as compared with control samples. The cell volume of 20min adherent cells exposed to NaOCl was enlarged in comparison with both control cells and 5min adhered exposed to NaOCl cells...
May 22, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28544942/behavioural-and-neural-evidence-for-the-impact-of-fluency-context-on-conscious-memory
#15
Carlos Alexandre Gomes, Axel Mecklinger, Hubert Zimmer
It has been recently suggested that fluency may impact recognition memory performance when the fluency context varies from trial-to-trial. Surprisingly, such an effect has proved difficult to detect in the masked priming paradigm, one of the most popular means to increase fluency-based memory judgements. We conducted a functional magnetic resonance imaging (fMRI) experiment in which participants encoded words at study and, at test, performed a recognition memory task within a masked priming procedure. In order to optimise the chances of finding priming effects on recognition memory performance, we used low-frequency words, which have been shown to increase hits relative to false alarms and enhance masked priming effects...
April 21, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28544934/preventive-effect-of-berberine-against-dmba-induced-breast-cancer-in-female-sprague-dawley-rats
#16
Kalyani Chowdary Karnam, Maheswara Ellutla, Lakshmi Narendra Bodduluru, Eshvendar Reddy Kasala, Shravan Kumar Uppulapu, Malayamarutham Kalyankumarraju, Mangala Lahkar
Breast cancer is the prime cause for cancer mortality in women worldwide. The importance of diverse natural and dietary agents to reduce the risk of developing breast cancer is well established. Berberine, a natural isoquinoline alkaloid found in many medicinal plants is widely used in traditional Indian and Chinese medicine. Because of its capability to seize the cell cycle and induce apoptosis of numerous malignant cells, berberine has received considerable attention as a potential anticancer agent. In the present study, breast cancer was induced in Sprague Dawley (SD) rats by intragastric administration of 7, 12-dimethylbenz[a]anthracene (DMBA) at a dose of 80mg/kg of body weight...
May 22, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28543643/statins-in-cirrhosis-ready-for-prime-time
#17
EDITORIAL
Emmanuel A Tsochatzis, Jaime Bosch
No abstract text is available yet for this article.
May 22, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28543565/lactate-supplementation-in-severe-traumatic-brain-injured-adults-by-primed-constant-infusion-of-sodium-l-lactate
#18
Stephanie M Wolahan, Howard C Mao, Courtney Real, Paul M Vespa, Thomas C Glenn
Carbohydrate fuel augmentation following traumatic brain injury may be a viable treatment to improve recovery when cerebral oxidative metabolism of glucose is depressed. We performed a primed constant sodium L-lactate infusion in 11 moderate to severely brain injured adults. Blood was collected before and periodically during the infusion study. We quantified global cerebral uptake of glucose and lactate and other systemic metabolites associated with energy metabolism. Our hypothesis was that cerebral lactate uptake, as measured by the arteriovenous difference of lactate (AVDlac), would increase in severely injured TBI patients in the neurocritical care unit...
May 20, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28542882/butyrate-and-retinoic-acid-synergistically-imprint-mucosal-like-dendritic-cell-development-from-bone-marrow-cells
#19
Yetao Qiang, Jie Xu, Cheng Yan, Huimin Jin, Tengfei Xiao, Nannan Yan, Liping Zhou, Huazhang An, Xiaoming Zhou, Qixiang Shao, Sheng Xia
Accumulating data show that the phenotypes and functions of distinctive mucosal dendritic cells (DCs) in the gut are regulated by retinoic acid (RA). Unfortunately, the exact role of butyrate in RA mediated mucosal DC differentiation has not been thoroughly elucidated to date. Mucosal like dendritic cell differentiation was completed in vitro by culturing bone marrow cells with growth factors (GM-CSF/IL-4), RA and/or butyrate. The phenotypes, cytokine secretion, immune functions and levels of retinal dehydrogenase of different DCs were detected using qPCR, ELISA and flow cytometry, respectively...
May 24, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28542705/a-pump-free-microfluidic-3d-perfusion-platform-for-the-efficient-differentiation-of-human-hepatocyte-like-cells
#20
Louis Jun Ye Ong, Lor Huai Chong, Lin Jin, Pawan Kumar Singh, Poh Seng Lee, Hanry Yu, Abhishek Ananthanarayanan, Hwa Liang Leo, Yi-Chin Toh
The practical application of microfluidic liver models for in vitro drug testing is partly hampered by their reliance on human primary hepatocytes, which are limited in number and have batch-to-batch variation. Human stem cell-derived hepatocytes offer an attractive alternative cell source, although their 3D differentiation and maturation in a microfluidic platform have not yet been demonstrated. We develop a pump-free microfluidic 3D perfusion platform to achieve long-term and efficient differentiation of human liver progenitor cells into hepatocyte-like cells (HLCs)...
May 20, 2017: Biotechnology and Bioengineering
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