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https://www.readbyqxmd.com/read/28921950/highly-efficient-and-rapid-neural-differentiation-of-mouse-embryonic-stem-cells-based-on-retinoic-acid-encapsulated-porous-nanoparticle
#1
Se-Jin Park, Seongchan Kim, Sung-Yon Kim, Noo Li Jeon, Joon Myong Song, Cheolhee Won, Dal-Hee Min
An improved cell conversion strategy for neural differentiation of mouse embryonic stem (mES) cells is developed by incorporating functionalized mesoporous silica nanoparticle (MSN) as an efficient delivery carrier of retinoic acid (RA), which is pleiotropic factor required for initiation of neural differentiation. Traditional RA-mediated neural differentiation methods required either pre-activation of the cells to the differentiating state by embryoid body (EB) formation or repetitive treatment of the differentiation factor...
September 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28921810/bones-morphogenic-protein-4-and-retinoic-acid-combined-treatment-comparative-analysis-for-in-vitro-differentiation-potential-of-murine-mesenchymal-stem-cells-derived-from-bone-marrow-and-adipose-tissue-into-germ-cells
#2
Maryam H Shirzeily, Neda Khanlarkhani, Fardin Amidi, Farshad H Shirzeily, Fereydoon S Aval, Aligholi Sobhani
Nowadays, infertility is no longer considered as an unsolvable disorder due to progresses in germ cells derived from stem lineage with diverse origins. Technical and ethical challenges push researchers to investigate various tissue sources to approach more efficient gametes. The purpose of the current study is to investigate the efficacy of a combined medium, retinoic acid (RA) together with Bone Morphogenic Protein-4 (BMP4), on differentiation of Bone Marrow Mesenchymal Stem Cells (BMMSCs) and adipose-derived mesenchymal stem cells (ADMSCs) into germ cells...
September 18, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28921409/the-duality-of-economic-issues-with-medication-non-adherence-in-patients-with-inflammatory-arthritis
#3
REVIEW
Natasha K J Campbell, Khalid Saadeldin, Mary A De Vera
PURPOSE OF REVIEW: In this review, we synthesize current data on non-adherence across inflammatory arthritides and explore (1) the effects of economic factors on non-adherence and (2) the impacts of non-adherence on economic outcomes. RECENT FINDINGS: Recent evidence demonstrates medication non-adherence rates as high as 74% in ankylosing spondylitis (AS), 90% in gout, 50% in psoriatic arthritis (PsA), 75% in systemic lupus erythematosus (SLE), and 82% in rheumatoid arthritis (RA)...
September 18, 2017: Current Rheumatology Reports
https://www.readbyqxmd.com/read/28919867/sulfated-cholecystokinin-8-promotes-cd36-mediated-fatty-acid-uptake-into-primary-mouse-duodenal-enterocytes
#4
Claire Demenis, John McLaughlin, Craig P Smith
Cholecystokinin (CCK) is an archetypal incretin hormone secreted by intestinal enteroendocrine cells (EEC) in response to ingested nutrients. The aim of this study was to determine whether CCK modulates enterocyte fatty acid uptake by primary mouse duodenal cells. Exposure of primary mouse duodenal cells to 10 pM sulfated CCK-8 caused a two fold increase in dodecanoic acid fatty acid (FA) uptake. The selective CCK A receptor antagonist loxiglumide (100 μM) completely abolished the CCK-8 induced FA uptake. The CD36 fatty acid translocase-specific inhibitor sulfo-N-succinimidyl oleate (1 μM) also completely inhibited CCK-8 induced FA uptake, as did treatment with 200 μM phloretin...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28919001/pharmacological-inhibition-of-aldh1a-enzymes-suppresses-weight-gain-in-a-mouse-model-of-diet-induced-obesity
#5
Michael Haenisch, Piper M Treuting, Thea Brabb, Alex S Goldstein, Kathryn Berkseth, John K Amory, Jisun Paik
BACKGROUND: Retinoic acid (RA) is known to play a role in weight regulation. Because mice without ALDH1A1, a major RA synthesizing enzyme, are resistant to diet-induced obesity, we tested a hypothesis that pharmacological inhibition of RA synthesis can suppress weight gain in a murine model of diet-induced obesity. METHODS: C57BL/6J male mice were fed a high fat diet (HFD) for 8 weeks to induce obesity and then randomized to a HFD with or without WIN 18,446, an RA synthesis inhibitor, for an additional 9 weeks...
September 11, 2017: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/28917375/total-glucosides-of-paeony-for-rheumatoid-arthritis-a-systematic-review-of-randomized-controlled-trials
#6
REVIEW
Jing Luo, Di-Er Jin, Guo-Yan Yang, Ying-Ze Zhang, Jian-Ming Wang, Wei-Ping Kong, Qing-Wen Tao
BACKGROUND: Total glucosides of paeony (TGP) is commonly used to treat rheumatoid arthritis (RA) in China. However, clinical practice hasn't been well informed by evidence from appropriately conducted systematic reviews. This PRISMA-compliant systematic review aims at examining the effectiveness and safety of TGP for RA. METHODS: Randomized controlled trials (RCTs) comparing TGP with placebo, no treatment, or disease-modifying antirheumatic drugs (DMARDs) for patients with RA were retrieved by searching seven databases...
October 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28916767/the-cancer-chemotherapeutic-agent-paclitaxel-taxol-reduces-hippocampal-neurogenesis-via-down-regulation-of-vesicular-zinc
#7
Bo Eun Lee, Bo Young Choi, Dae Kee Hong, Jin Hee Kim, Song Hee Lee, A Ra Kho, Haesung Kim, Hui Chul Choi, Sang Won Suh
Chemotherapy-induced cognitive impairment (CICI) is increasingly recognized as a major unwanted side effect of an otherwise highly valuable life-saving technology. In part, this awareness is a result of increased cancer survival rates following chemotherapy. Altered hippocampal neurogenesis may play a role in mediating CICI. In particular, zinc could act as a key regulator of this process. To test this hypothesis, we administered paclitaxel (Px) to male C57BL/6 mice for set time periods and then evaluated the effects of Px treatment on hippocampal neurogenesis and vesicular zinc...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28916545/serologic-evidence-of-gut-driven-systemic-inflammation-in-juvenile-idiopathic-arthritis
#8
Lampros Fotis, Nurmohammad Shaikh, Kevin W Baszis, Charles M Samson, Raffi Lev-Tzion, Anthony R French, Phillip I Tarr
OBJECTIVE: Accumulating evidence links juvenile idiopathic arthritis (JIA) to nonhost factors such as gut microbes. We hypothesize that children with new-onset JIA have increased intestinal bacterial translocation and circulating lipopolysaccharide (LPS). METHODS: We studied systemic treatment-naive patients with JIA [polyarticular JIA, n = 22, oligoarticular JIA, n = 31, and spondyloarthropathies (SpA), n = 16], patients with established inflammatory bowel disease-related arthritis (IBD-RA, n = 11), and 34 healthy controls...
September 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28914976/haloperidol-versus-5-ht3-receptor-antagonists-for-postoperative-vomiting-and-qtc-prolongation-a-noninferiority-meta-analysis-and-trial-sequential-analysis-of-randomized-controlled-trials
#9
REVIEW
Preet Mohinder Singh, Anuradha Borle, Jeetinder Kaur Makkar, Anjan Trikha, David Fish, Ashish Sinha
Haloperidol is an antipsychotic with well-known antiemetic potential. It is underutilized for postoperative nausea vomiting due to reported corrected QT interval (QTc) prolongation. This meta-analysis evaluates its safety and efficacy as an antiemetic in the perioperative period. Trials comparing haloperidol to 5-HT3 -receptor antagonists (5-HT3 -RA) for 24 postoperative vomiting incidences published up to May 2017 were searched in the medical database. Comparisons were made for antiemetic efficiency variables (vomiting incidence, rescue antiemetic need, and patients with complete response) during early (until 6 hours) and late postoperative phases...
September 15, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28914370/thioredoxin-1-is-associated-with-the-proliferation-and-apoptosis-of-rheumatoid-arthritis-fibroblast-like-synoviocytes
#10
Tianbao Lu, Ming Zong, Shasha Fan, Ying Lu, Shanhan Yu, Lieying Fan
We aimed to investigate the possible effects of thioredoxin 1 (Trx1) on the proliferation and apoptosis of rheumatoid arthritis fibroblast-like synoviocytes (RA-FLSs) and elucidate the possible mechanisms involved. We investigated the distribution and expression of Trx1 in synovial tissues from RA and osteoarthritis (OA) patients by immunohistochemistry and real-time polymerase chain reaction (RT-PCR) analyses. RA-FLSs were isolated and cultured under normoxic (21% oxygen) or hypoxic (3% oxygen) concentrations...
September 15, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28913292/the-effect-of-botulinum-toxin-on-an-iatrogenic-sialo-cutaneous-fistula
#11
Seung Eun Hong, Jung Woo Kwon, So Ra Kang, Bo Young Park
A sialo-cutaneous fistula is a communication between the skin and a salivary gland or duct discharging saliva. Trauma and iatrogenic complications are the most common causes of this condition. Treatments include aspiration, compression, and the administration of systemic anticholinergics; however, their effects are transient and unsatisfactory in most cases. We had a case of a patient who developed an iatrogenic sialo-cutaneous fistula after wide excision of squamous cell carcinoma in the parotid region that was not treated with conventional management, but instead completely resolved with the injection of botulinum toxin...
December 2016: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28912960/influence-of-disease-activity-on-ra-treatment-choices-in-countries-with-restricted-access-to-expensive-innovative-drugs-a-discrete-choice-experiment-among-rheumatologists
#12
Monika Hifinger, Mickael Hiligsmann, Sofia Ramiro, Verity Watson, Florian Berghea, Márta Péntek, Andrew Keat, Johan L Severens, Bruno Fautrel, Annelies Boonen
OBJECTIVE: To assess the influence of disease activity of patients with rheumatoid arthritis on treatment choices of rheumatologists in countries with restricted access to expensive, innovative drugs. METHODS: Rheumatologists from Hungary, Romania and UK were invited to complete two consecutive discrete choice experiments with hypothetical drug treatments for two different patient profiles: high and moderate disease activity. Rheumatologists were asked to choose repeatedly between two unlabelled treatment options that differed in five attributes: efficacy (expected improvement and achieved disease activity state), safety (probability of serious adverse events), patient's preference (level of agreement), total medication costs and cost-effectiveness...
2017: RMD Open
https://www.readbyqxmd.com/read/28912850/effects-of-leukotriene-b4-on-interleukin-32-interferon-%C3%AE-and-chemokines-in-rats-with-rheumatoid-arthritis
#13
Danyan Bi, Danqing Bi, Ming Zhong, Hong Zhang, Song Jin, Sha Ma, Huayou Luo
The objective of this study was to investigate the effects of leukotriene B4 (LTB4) on the expression of interleukin-32 (IL-32) interferon-γ (IFN-γ) and chemokine monocyte chemoattractant protein (MCP-1) and macrophage inhibitory protein (MIP-1α) in rheumatoid arthritis (RA). The rat model of RA collagen induced-arthritis (CIA) was established. The levels of LTB4, interleukin-32, IFN-γ and chemokines MCP-1 and MIP-1α in CIA rats were detected by ELISA. After the rat synovial cells were isolated and treated with different concentrations of LTB4, the effect of LTB4 the expression of IL-32, IFN-γ and chemokines MCP-1 and MIP-1α mRNA in synovial cells was detected by real-time quantitative PCR, the effect of LTB4 on protein expression was detected by immunoblotting...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28910706/pharmacokinetics-and-tissue-distribution-of-five-major-triterpenoids-after-oral-administration-of-rhizoma-alismatis-extract-to-rats-using-ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry
#14
Wen Xu, Xiaoyan Li, Na Lin, Xue Zhang, Xiaoqiang Huang, Tingting Wu, Yanni Tai, Shuyun Chen, Chieh-Hsi Wu, Mingqing Huang, Shuisheng Wu
Rhizoma Alismatis (RA) was wildly used for treatment of dysuria, pyelonephritis, hyperlipidemia, enteritis diarrhea, diabetes, inflammation, and cancer. Triterpenoids are the major active components of RA, and its extract is mainly composed of alisol A (ALA), alisol B (ALB), alisol C 23-acetate (ALC-23A), alisol A 24-acetate (ALA-24A), and alisol B 23-acetate (ALB-23A). In this study, a simple, reliable, and sensitive ultra high-performance liquid chromatography with triple quadrupole mass spectrometry (UHPLC-MS/MS) method was created and validated for the quantification of the five major triterpenoids in rat plasma and various tissues biosamples (including intestine, stomach, liver, kidney, fat, muscle, brain, heart, lung, spleen, and testes)...
September 6, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28906466/therapeutic-effect-of-exogenous-truncated-ik-protein-in-inflammatory-arthritis
#15
Seulgi Choi, HyeLim Park, SeoYeon Jung, Eun-Kyung Kim, Mi-La Cho, Jun-Ki Min, Su-Jin Moon, Sang-Myeong Lee, Jang-Hee Cho, Dong-Hee Lee, Jae-Hwan Nam
Inhibitor K562 (IK) protein was first isolated from the culture medium of K562, a leukemia cell line. It is known to be an inhibitory regulator of interferon-γ-induced major histocompatibility complex class (MHC) II expression. Previously, we found that transgenic (Tg) mice constitutively expressing truncated IK (tIK) showed reduced numbers of pathogenic Th1 and Th17 cells, which are known to be involved in the development of rheumatoid arthritis (RA). Here, we investigated whether exogenous tIK protein has a therapeutic effect in arthritis in disease models and analyzed its mechanism...
September 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28905300/p2x7r-antagonism-after-subfailure-overstretch-injury-of-blood-vessels-reverses-vasomotor-dysfunction-and-prevents-apoptosis
#16
Weifeng Luo, Daniel Feldman, Reid McCallister, Colleen Brophy, Joyce Cheung-Flynn
Human saphenous vein (HSV) is harvested and prepared prior to implantation as an arterial bypass graft. Injury and the response to injury from surgical harvest and preparation trigger cascades of molecular events and contribute to graft remodeling and intimal hyperplasia. Apoptosis is an early response after implantation that contributes the development of neointimal lesions. Here, we showed that surgical harvest and preparation of HSV leads to vasomotor dysfunction, increased apoptosis and downregulation of the phosphorylation of the anti-apoptotic protein, Niban...
September 13, 2017: Purinergic Signalling
https://www.readbyqxmd.com/read/28904316/assessment-of-local-and-systemic-25-hydroxy-vitamin-d-rankl-opg-and-tnf-levels-in-patients-with-rheumatoid-arthritis-and-periodontitis
#17
Hatice Balci Yuce, Ozge Gokturk, Humeyra Aydemir Turkal, Ahmet Inanir, Ismail Benli, Osman Demir
The present study aimed to evaluate proinflammatory cytokine and vitamin D levels in rheumatoid arthritis (RA) and chronic periodontitis (CP) patients and healthy individuals before and after initial periodontal treatment. Overall, 17 CP patients with RA (RA + CP), 18 systemically healthy CP patients (CP), and 18 healthy controls (C) were included. Clinical periodontal measurements were recorded and gingival crevicular fluid (GCF) and blood samples were recorded. RA + CP and CP patients received nonsurgical periodontal treatment...
2017: Journal of Oral Science
https://www.readbyqxmd.com/read/28903542/reviewing-the-evidence-for-biosimilars-key-insights-lessons-learned-and-future-horizons
#18
Till Uhlig, Guro L Goll
Biologic therapies have become central to the long-term management of many chronic diseases, including inflammatory rheumatic diseases. Over recent years, the development and licensing pathways for biosimilars have become more standardized, and several biosimilars have been made available for patients with inflammatory rheumatic diseases, such as RA. Pre-licensing requirements for biosimilars mandate the demonstration of comparability with reference products in terms of clinical activity, safety and immunogenicity, whereas post-marketing surveillance and risk minimization requirements are set in place to ensure that long-term, real-world safety data are collected to assess biosimilars in clinical practice...
August 1, 2017: Rheumatology
https://www.readbyqxmd.com/read/28901727/retention-rates-of-adalimumab-etanercept-and-infliximab-as-first-line-biotherapy-agent-for-rheumatoid-arthritis-patients-in-daily-practice-auvergne-experience
#19
Martin Soubrier, Bruno Pereira, Thomas Frayssac, Angelique Fan, Marion Couderc, Sandrine Malochet-Guinamand, Sylvain Mathieu, Zuzana Tatar, Anne Tournadre, Jean-Jacques Dubost
OBJECTIVE: To compare, in real-life conditions, the retention rates of anti-tumor necrosis factor (anti-TNF) treatment (etanercept [ETN], adalimumab [ADA] and infliximab [IFX]) initiated as first-line biotherapy for rheumatoid arthritis (RA) and to evaluate, in case of failure, the switch to another anti-TNF or a non-anti-TNF biological. METHODS: Monocentric retrospective cohort including all patients with RA starting a first anti-TNF between 2001 and 2015. RESULTS: Among the 346 patients analyzed, 201 received ETN, 82 ADA and 63 IFX...
September 13, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28901512/gambogic-acid-suppresses-inflammation-in-rheumatoid-arthritis-rats-via-pi3k-akt-mtor-signaling-pathway
#20
Xiaodan Wu, Li Long, Jian Liu, Jin Zhang, Tong Wu, Xixi Chen, Bing Zhou, Ting-Zhuo Lv
Gamboge is the dried resin secreted by the Garcinia maingayi gambogic tree and is a substance that may be used to treat a variety of diseases, exhibits anti‑tumor and detoxification effects and prevents bleeding. The primary active constituent is gambogic acid. The present study aimed to investigate the anti‑inflammatory effects of gambogic acid in rheumatoid arthritis (RA) rats and to elucidate the mechanisms by which these effects occur. The swelling degree, the clinical arthritic scoring and pain threshold measurements were used to evaluate the effects of gambogic acid on RA...
September 11, 2017: Molecular Medicine Reports
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