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https://www.readbyqxmd.com/read/28918609/associations-among-gastric-juice-ph-atrophic-gastritis-intestinal-metaplasia-and-helicobacter-pylori-infection
#1
Jihee Sung, Nayoung Kim, Jongchan Lee, Young-Jae Hwang, Hyoung Woo Kim, Jung Wha Chung, Jin-Wook Kim, Dong Ho Lee
Background/Aims: Gastric juice plays a crucial role in the physiology of the stomach. The aim of this study is to evaluate associations among the pH of gastric juice, atrophic gastritis (AG), intestinal metaplasia (IM), pepsinogen, and Helicobacter pylori infection. Methods: Gastric biopsies and juice were collected from 46 subjects who underwent endoscopies at Seoul National University Bundang Hospital between November 2011 and March 2013. H. pylori, AG and IM were evaluated, and pepsinogen I or II, I/II ratio and interleukin (IL)-1β levels were measured...
September 19, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28918319/determination-of-chlorogenic-acids-and-caffeine-in-homemade-brewed-coffee-prepared-under-various-conditions
#2
Jong-Sup Jeon, Han-Taek Kim, Il-Hyung Jeong, Se-Ra Hong, Moon-Seog Oh, Kwang-Hee Park, Jae-Han Shim, A M Abd El-Aty
Coffee, a complex mixture of more than 800 volatile compounds, is one of the most valuable commodity in the world, whereas caffeine and chlorogenic acids (CGAs) are the most common compounds. CGAs are mainly composed of caffeoylquinic acids (CQAs), dicaffeoylquinic acids (diCQAs), and feruloylquinic acids (FQAs). The major CGAs in coffee are neochlorogenic acid (3-CQA), cryptochlorogenic acid (4-CQA), and chlorogenic acid (5-CQA). Many studies have shown that it is possible to separate the isomers of FQAs by high-performance liquid chromatography (HPLC)...
August 31, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28917991/enhanced-expression-of-pd-l1-and-ifn-%C3%AE-on-dendritic-cells-is-associated-with-bcg-induced-th2-inhibition
#3
A C C Gouveia, F G Braga, M Mota, F M C Silva, A S S Brugiolo, E E Oliveira, M C Ayupe, H C Teixeira, A P Ferreira
Accumulating evidence indicates that the exposure to Mycobacterium bovis bacillus Calmette-Guérin (BCG) prevents the development of allergy and the airway dendritic cells (DCs) may be involved in this protective effect. However, studies to better characterize the specific interactions between BCG and DCs and their role in this mycobacteria-mediated Th2 cell suppression are still ongoing. This study aimed to evaluate the effect of the neonatal BCG vaccination in the innate immune response in a mouse model of ovalbumin (OVA)-induced airway inflammation...
September 14, 2017: Cytokine
https://www.readbyqxmd.com/read/28917976/low-molecular-weight-fucoidan-ameliorates-hindlimb-ischemic-injury-in-type-2-diabetic-rats
#4
Zhiqiang Wang, Tiantian Liu, Xiaoping Chen, Hongjie You, Quanbin Zhang, Jingyi Xue, Yuanyuan Zheng, Dali Luo
ETHNOPHARMACOLOGICAL RELEVANCE: Low molecular weight fucoidan (LMWF), extracted from Laminaria japonica Areschoug, is a traditional Chinese medicine, commonly used to alleviate edema, particularly for feet with numbness and pain. AIM OF THE STUDY: Diabetic mellitus (DM) patients are at high risk of developing peripheral arterial disease (PAD). Individuals with DM and PAD co-morbidity have a much higher risk of critical limb ischemia. LMWF showed several beneficial effects, such as anti-inflammation, anti-thrombosis, and enhancing revascularization...
September 13, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28917839/m2b-macrophage-polarization-accompanied-with-reduction-of-long-noncoding-rna-gas5
#5
Ichiaki Ito, Akira Asai, Sumihiro Suzuki, Makiko Kobayashi, Fujio Suzuki
Macrophages (Mϕ) are highly plastic and change their functional phenotypes depending on microenvironmental signals. Recent studies have shown that microRNAs are involved in the polarization of Mϕ. In this study, we demonstrated that the phenotype of M2bMϕ [CCL1(+) IL-10(+) LIGHT(+)] switches to other phenotypes with interchangeability attained through the increased expression of growth arrest-specific 5 RNA (GAS5 RNA), a long non-coding RNA. GAS5 RNA has been described as a silencer of the CCL1 gene. Various phenotypes of Mϕ were prepared from bone marrow-derived Mϕ (BMDMϕ) after stimulation with IFNγ [M(IFNγ)]/M1Mϕ, IL-4 [M(IL-4)]/M2aMϕ, LPS and immobilized IgG [M(LPS + IC)]/M2bMϕ, and IL-10 [M(IL-10)/M2cMϕ]...
September 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28917316/humoral-and-cytokine-response-elicited-during-immunisation-with-recombinant-immune-mapped-protein-1-etimp-1-and-oocysts-of-eimeria-tenella
#6
Krishnendu Kundu, Rajat Garg, Saroj Kumar, Mrityunjay Mandal, Fiona M Tomley, Damer P Blake, Partha Sarathi Banerjee
Eimeria tenella, the causative agent of caecal coccidiosis, is a pathogenic gut dwelling protozoan which can cause severe morbidity and mortality in farmed chickens. Immune mapped protein-1 (IMP-1) has been identified as an anticoccidial vaccine candidate; in the present study allelic polymorphism was assessed across the IMP-1 coding sequence in E. tenella isolates from four countries and compared with the UK reference Houghton strain. Nucleotide diversity was low, limited to expansion/contraction of a CAG triplet repeat and five substitutions, three of which were non-synonymous...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28917204/murine-il-4%C3%AE-2-splice-variant-down-regulates-il-4-activities-independently-of-il-4r%C3%AE-binding-and-stat-6-phosphorylation
#7
Gil R Diogo, Adam Sparrow, Matthew J Paul, Alastair Copland, Peter J Hart, Szymon Stelter, Craig van Dolleweerd, Pascal M W Drake, Derek C Macallan, Rajko Reljic
IL-4 is a pleiotropic cytokine that is highly Th2 polarizing. The ratio of IL-4 and its splice variant IL-4Δ2 observed in human health and disease suggests a role for both isoforms. In the present study, the biological function of murine IL-4Δ2 and the potential mechanism of action were studied. We report for the first time the generation of a functional, recombinant murine IL-4Δ2 form which is suggestive of its possible biological role in this species. Recombinant murine IL-4Δ2 inhibited IL-4 mediated cellular processes in macrophages and lymphocytes...
September 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28917083/effects-of-single-or-combined-administration-of-salmon-calcitonin-and-omega-3-fatty-acids-versus-diclofenac-sodium-in-sodium-monoiodoacetate-induced-knee-osteoarthritis-in-male-wistar-rats
#8
Wale J Adeyemi, Luqman A Olayaki
BACKGROUND: There is a continuous search for a better therapy in osteoarthritis (OA) management. Therefore, this study investigated the effects of salmon calcitonin (Sct) and/or omega-3 fatty acids (N-3) relative to diclofenac sodium (DF) in induced knee osteoarthritic male Wistar rats. METHODS: The 40 rats that were used in this study were divided into 8 groups (n=5 rats), viz: Normal control; OA control; OA+N-3; OA+Low dose of Sct (Sct.Lw); OA+High dose of Sct (Sct...
September 16, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28917082/protective-effect-of-salusin-%C3%AE-and-salusin-%C3%AE-against-ethanol-induced-gastric-ulcer-in-rats
#9
Ayhan Tanyeli, Ersen Eraslan, Elif Polat, Tuğba Bal
BACKGROUND: Alcohol consumption has been found to be associated with gastric ulcers, including gastric mucosal lesions. Salusin-α and salusin-β are bioactive peptides having 28 and 20 amino acids, respectively. Salusin-α and salusin-β immunoreactivity has been detected in the stomach and in the intestines. It has been reported that the salusins regulate the cytokine levels and decrease the infarct area in the heart tissue after ischemia. In this study, we investigated the effects of the salusins in the gastric injury formed with ethanol...
September 16, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28916744/hydrogen-sulphate-based-ionic-liquid-assisted-electro-polymerization-of-pedot-catalyst-material-for-high-efficiency-photoelectrochemical-solar-cells
#10
Buket Bezgin Carbas, Mahir Gulen, Merve Celik Tolu, Savas Sonmezoglu
This work reports the facile, one-step electro-polymerization synthesis of poly (3,4-ethylenedioxythiophene) (PEDOT) using a 1-ethyl-3-methylimidazolium hydrogen sulphate (EMIMHSO4) ionic liquid (IL) and, for the first time its utilization as a counter electrode (CE) in dye-sensitized solar cells (DSSCs). Using the IL doped PEDOT as CE, we effectively improve the solar cell efficiency to as high as 8.52%, the highest efficiency reported in 150 mC/cm(2) charge capacity, an improvement of ~52% over the control device using the bare PEDOT CE (5...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28916732/il-4-producing-b-cells-regulate-t-helper-cell-dichotomy-in-type-1-and-type-2-controlled-diseases
#11
Ramona Hurdayal, Hlumani H Ndlovu, Mélanie Revaz-Breton, Suraj P Parihar, Justin Komguep Nono, Melissa Govender, Frank Brombacher
Interleukin-4 (IL-4)-induced T helper (Th) 2 cells promote susceptibility to the protozoan parasite Leishmania major, while conferring immunity to the intestinal trematode Schistosoma mansoni Here, we report that abrogation of IL-4 receptor alpha (IL-4Rα) signaling on B cells in BALB/c mice (mb1(cre)IL-4Rα(-/lox)) transformed nonhealer BALB/c to a healer phenotype with an early type 1 and dramatically reduced type 2 immune response and an absence of ulceration and necrosis during cutaneous leishmaniasis. From adoptive reconstitution and mixed bone-marrow chimera studies in B cell-deficient (µMT) mice, we reveal a central role for B cell-derived IL-4 and IL-4Rα in the optimal induction of the susceptible type 2 phenotype to L...
September 15, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28916714/interleukin-6-blockade-raises-ldl-via-reduced-catabolism-rather-than-via-increased-synthesis-a-cytokine-specific-mechanism-for-cholesterol-changes-in-rheumatoid-arthritis
#12
Jamie Robertson, Duncan Porter, Naveed Sattar, Chris J Packard, Muriel Caslake, Iain McInnes, David McCarey
OBJECTIVES: Patients with rheumatoid arthritis (RA) have reduced serum low-density lipoprotein cholesterol (LDL-c), which increases following therapeutic IL-6 blockade. We aimed to define the metabolic pathways underlying these lipid changes. METHODS: In the KALIBRA study, lipoprotein kinetic studies were performed on 11 patients with severe active RA at baseline and following three intravenous infusions of the IL-6R blocker tocilizumab. The primary outcome measure was the fractional catabolic rate (FCR) of LDL...
September 15, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28916316/the-brucella-melitensis-m5-90%C3%AE-manb-live-vaccine-candidate-is-safer-than-m5-90-and-confers-protection-against-wild-type-challenge-in-balb-c-mice
#13
Junbo Zhang, Shuanghong Yin, Dewu Yi, Hong Zhang, Zhiqiang Li, Fei Guo, Chuangfu Chen, Weihuan Fang, Jiafu Wang
Brucellosis is a globally distributed zoonotic disease that causes animal and human diseases. Although effective, the current Brucella vaccines (strain M5-90 or others) have several drawbacks. The first is their residual virulence for animals and humans and the second is their inability to differentiate natural infection from that caused by vaccination. In the present study, Brucella melitensis M5-90 manB mutant (M5-90ΔmanB) was generated to overcome these drawbacks. M5-90ΔmanB showed significantly reduced survival in macrophages and mice, and induced strong protective immunity in BALB/c mice...
September 12, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28916315/the-effect-of-immune-modulation-of-streptococcus-constellatus-sc10-strain-upon-acinetobactor-baumannii-infection
#14
Abdullah A Alyousef, Israa M S Al-Kadmy
Acinetobacter baumannii is a tiny, plump and rod-shaped Gram-negative coccobacillus, notorious as an opportunistic pathogen, which is now being considered by CDC as a serious public health threat. Preventing colonization may be a better therapeutic choice using microbiota to protect against A. baumannii transmission. Human microbiota not only regulates immune homeostasis as well provides essential health benefits therefore discovering the interface due microbiota in host immune system will allow to recognise novel immuno- or microbe-based therapies...
September 12, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28916314/immunization-with-recombinant-gntr-plasmid-confers-protection-against-brucella-challenge-in-balb-c-mice
#15
Zhiqiang Li, Shuli Wang, Hui Zhang, Li Xi, Jinliang Zhang, Xiaogen Zhang, Jincheng Han, Junbo Zhang
It is essential to improve animal vaccine for brucellosis since conventional vaccines are residual virulent and poor protective effect, limit their applications. To solve these problems, the recombinant DNA vaccines were appeared, which could improve protective immunity and were attenuated to animals. In current research, the recombinant DNA vaccine (pVGntR) based on transcriptional regulator GntR of Brucella abortus (B. abortus) was constructed. The results show that pVGntR is significantly more protective than the conventional RB51 vaccine...
September 12, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28916279/the-role-of-il-6-released-from-pulmonary-epithelial-cells-in-diesel-ufp-induced-endothelial-activation
#16
Rossella Bengalli, Eleonora Longhin, Sara Marchetti, Maria C Proverbio, Cristina Battaglia, Marina Camatini
Diesel exhaust particles (DEP) and their ultrafine fraction (UFP) are known to induce cardiovascular effects in exposed subjects. The mechanisms leading to these outcomes are still under investigation, but the activation of respiratory endothelium is likely to be involved. Particles translocation through the air-blood barrier and the release of mediators from the exposed epithelium have been suggested to participate in the process. Here we used a conditioned media in vitro model to investigate the role of epithelial-released mediators in the endothelial cells activation...
September 12, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28915654/daurinol-blocks-breast-and-lung-cancer-metastasis-and-development-by-inhibition-of-focal-adhesion-kinase-fak
#17
Jong Kyu Woo, Hyun Jin Jung, Ji-Youn Park, Ju-Hee Kang, Byung Il Lee, DongYun Shin, Chu Won Nho, Soo-Young Cho, Je Kyung Seong, Seung Hyun Oh
FAK overexpression has been reported in diverse primary and metastatic tumor tissues, supporting its pro-tumorigenic and pro-metastatic roles. Therefore, we have developed a neo-treatment strategy using daurinol to effectively treat cancer metastasis. Daurinol blocked cancer cell migration and invasion in vitro and exhibited anti-metastatic activity in an experimental metastasis model of breast and lung cancer. Daurinol selectively inhibited phosphorylation of FAK at Tyr925, Tyr576/577, and Tyr397 sites in a dose- and time-dependent manner...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915646/interleukin-15-stimulates-natural-killer-cell-mediated-killing-of-both-human-pancreatic-cancer-and-stellate-cells
#18
Jonas R M Van Audenaerde, Jorrit De Waele, Elly Marcq, Jinthe Van Loenhout, Eva Lion, Johan M J Van den Bergh, Ralf Jesenofsky, Atsushi Masamune, Geert Roeyen, Patrick Pauwels, Filip Lardon, Marc Peeters, Evelien L J Smits
Pancreatic ductal adenocarcinoma (PDAC) is the 4(th) leading cause of cancer-related death in Western countries with a 5-year survival rate below 5%. One of the hallmarks of this cancer is the strong desmoplastic reaction within the tumor microenvironment (TME), orchestrated by activated pancreatic stellate cells (PSC). This results in a functional and mechanical shield which causes resistance to conventional therapies. Aiming to overcome this resistance by tackling the stromal shield, we assessed for the first time the capacity of IL-15 stimulated natural killer (NK) cells to kill PSC and pancreatic cancer cells (PCC)...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915571/p62-plasmid-can-alleviate-diet-induced-obesity-and-metabolic-dysfunctions
#19
Tatiana Halenova, Oleksii Savchuk, Ludmila Ostapchenko, Andrey Chursov, Nathan Fridlyand, Andrey B Komissarov, Franco Venanzi, Sergey I Kolesnikov, Albert A Sufianov, Michael Y Sherman, Vladimir L Gabai, Alexander M Shneider
A high-calorie diet (HCD) induces two mutually exacerbating effects contributing to diet-induced obesity (DIO): impaired glucose metabolism and increased food consumption. A link between the metabolic and behavioral manifestations is not well understood yet. We hypothesized that chronic inflammation induced by HCD plays a key role in linking together the two components of diet-induced pathology. Based on this hypothesis, we tested if a plasmid (DNA vaccine) encoding p62 (SQSTM1) would alleviate DIO including its metabolic and/or food consumption abnormalities...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915080/weight-adjusted-intravenous-reslizumab-in-severe-asthma-with-inadequate-response-to-fixed-dose-subcutaneous-mepolizumab
#20
Manali Mukherjee, Fernando Aleman Paramo, Melanie Kjarsgaard, Brittany Salter, Gayatri Nair, Nicola LaVigne, Katherine Radford, Roma Sehmi, Parameswaran Nair
BACKGROUND: Clinical benefits of fixed-dose 100 mg subcutaneous (SC) mepolizumab in prednisone-dependent patients are modest when sputum eosinophilia is not adequately controlled. This study compared treatment response of weight-adjusted intravenous (IV) Reslizumab in patients previously treated with 100 mg SC Mepolizumab. METHOD: 10 prednisone-dependent asthmatics (sputum eosinophils >3% and blood eosinophils > 300cells/μL), who had previously received Mepolizumab (100 mg SC Q4W) for at least 1 year, received two infusions of placebo (Q4W) followed by 4 infusions of 3...
September 15, 2017: American Journal of Respiratory and Critical Care Medicine
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