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https://www.readbyqxmd.com/read/29343747/computational-trans-omics-approach-characterised-methylomic-and-transcriptomic-involvements-and-identified-novel-therapeutic-targets-for-chemoresistance-in-gastrointestinal-cancer-stem-cells
#1
Masamitsu Konno, Hidetoshi Matsui, Jun Koseki, Ayumu Asai, Yoshihiro Kano, Koichi Kawamoto, Naohiro Nishida, Daisuke Sakai, Toshihiro Kudo, Taroh Satoh, Yuichiro Doki, Masaki Mori, Hideshi Ishii
We investigated the relationship between methylomic [5-methylation on deoxycytosine to form 5-methylcytosine (5mC)] and transcriptomic information in response to chemotherapeutic 5-fluorouracil (5-FU) exposure and cisplatin (CDDP) administration using the ornithine decarboxylase (ODC) degron-positive cancer stem cell model of gastrointestinal tumour. The quantification of 5mC methylation revealed various alterations in the size distribution and intensity of genomic loci for each patient. To summarise these alterations, we transformed all large volume data into a smooth function and treated the area as a representative value of 5mC methylation...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29343454/rational-design-and-evaluation-of-hbsag-polymeric-nanoparticles-as-antigen-delivery-carriers
#2
Hitesh Kumar Dewangan, Tarun Pandey, Lakshmi Maurya, Sanjay Singh
The present work is focused on the development and evaluation of single dose sustained-release Hepatitis B surface antigen (HBsAg) loaded nanovaccine for Hepatitis B. The conventional treatment suffers from repeated administration and hence requires a booster dose. Therefore, polymeric nanovaccine of HBsAg was developed by double emulsion solvent evaporation technique, utilizing central composite design for formulation optimization. The effects of independent variables (like polymer amount, stabilizer concentration, aqueous/organic phase ratio and homogenizer speed) were also studied on critical quality attributes like particle size and entrapment efficiency...
January 14, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29339024/nrf2-are-pathway-attenuates-oxidative-and-apoptotic-response-in-human-osteoarthritis-chondrocytes-by-activating-erk1-2-elk1-p70s6k-p90rsk-signaling-axis
#3
Nazir M Khan, Imran Ahmad, Tariq M Haqqi
Nrf2, a redox regulated transcription factor, has recently been shown to play a role in cartilage integrity but the mechanism remains largely unknown. Osteoarthritis (OA) is a multifactorial disease in which focal degradation of cartilage occurs. Here, we studied whether Nrf2 exerts chondroprotective effects by suppressing the oxidative stress and apoptosis in IL-1β stimulated human OA chondrocytes. Expression of Nrf2 and its target genes HO-1, NQO1 and SOD2 was significantly high in OA cartilage compared to normal cartilage and was also higher in damaged area compared to smooth area of OA cartilage of the same patient...
January 12, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29334434/the-case-for-stabilized-stannous-fluoride-dentifrice-an-advanced-formulation-designed-for-patient-preference
#4
Tao He, Svetlana Farrell
Oral diseases, particularly caries and gingivitis, continue to be widespread. Incorporating a stabilized stannous fluoride dentifrice into patients' daily oral hygiene routine is a convenient, cost effective approach to improve and protect their oral health and the appearance of their smile. Unlike other common fluorides that only provide anti-caries benefits (e.g., sodium fluoride and sodium monofluorophosphate), stabilized stannous fluoride formulations have demonstrated broader and significantly greater protection, also reducing plaque, gingivitis, erosion, sensitivity, and halitosis...
December 2017: Journal of Clinical Dentistry
https://www.readbyqxmd.com/read/29331505/successful-treatment-of-anti-angiotensin-ii-type-1-receptor-antibody-associated-rejection-in-kidney-transplantation-a-case-report
#5
P Wiwattanathum, A Ingsathit, D Thammanichanond, S Worawichawong
Angiotensin II type 1 receptor (AT1R) antibody, a non-HLA antibody, has been found to have a detrimental effect on kidney allografts. Similarly to HLA antibodies, recipients who have AT1R antibodies are at risk for allograft rejection and poor long-term graft outcome. Besides mediating allograft rejections via direct effects on endothelial and vascular smooth muscle without complement activation, AT1R antibodies may lead to accelerated hypertension via the renin-angiotensin pathway. There has been no definite level of AT1R antibody that predicts allograft rejection...
January 10, 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29330517/iron-induced-calcification-in-human-aortic-vascular-smooth-muscle-cells-through-interleukin-24-il-24-with-without-tnf-alpha
#6
Sayuri Kawada, Yasuyuki Nagasawa, Mutsuki Kawabe, Hideki Ohyama, Aritoshi Kida, Nahoko Kato-Kogoe, Masayoshi Nanami, Yukiko Hasuike, Takahiro Kuragano, Hiromitsu Kishimoto, Keiji Nakasho, Takeshi Nakanishi
In CKD patients, arteriosclerotic lesions, including calcification, can occur in vascular smooth muscle cells in a process called Moenckeberg's medial arteriosclerosis. Iron overload induces several complications, including the acceleration of arteriosclerosis. However, the relationship between Moenckeberg's arteriosclerosis in vascular smooth muscle cells and iron accumulation has remained unknown. We tested the accelerated effect of iron on calcification in cultured human aortic vascular smooth muscle cells (HASMCs)...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29327938/glaucocalyxin-a-attenuates-the-activation-of-hepatic-stellate-cells-through-the-tgf-%C3%AE-1-smad-signaling-pathway
#7
Zhichao Dong, Qi Gao, Hao Guo
Glaucocalyxin A (GLA) is a biologically active ent-kauranoid diterpenoid isolated from Rabdosia japonica var. glaucocalyx. A large number of studies have shown that GLA possesses important pharmacological activities, such as anti-inflammatory, antitumor, antifibrosis, and antiplatelet activities. However, the role of GLA in the pathogenesis of liver fibrosis remains undefined. Therefore, the aim of this study was to investigate the effects of GLA on hepatic stellate cells (HSCs) activation/proliferation and migration in vitro and its possible mechanism in liver fibrosis...
January 12, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/29322133/anti-fibrotic-activity-of-polyphenol-enriched-sugarcane-extract-in-rats-via-inhibition-of-p38-and-jnk-phosphorylation
#8
Liwen Wang, Min-Hsiung Pan, Chih-Yu Lo, Hui Zhao, Shiming Li, Chi-Tang Ho, Guliang Yang
Sugarcane (Saccharum officinarum L.), which is one of the most important sources of sugar, is also rich in polyphenolic compounds. In this study, polyphenols from sugarcane were extracted, and the dominant component was characterized quantitatively via HPLC to be (-)-epicatechin. Fibrosis occurs in many organs and is associated with severe tissue damage. Liver fibrosis is the excessive accumulation of extracellular matrix proteins and advanced liver fibrosis, resulting in cirrhosis, liver failure and portal hypertension...
January 11, 2018: Food & Function
https://www.readbyqxmd.com/read/29321987/gelam-honey-attenuates-ovalbumin-induced-airway-inflammation-in-a-mice-model-of-allergic-asthma
#9
Nur Salme Suhana Shamshuddin, Rozaini Mohd Zohdi
Allergic asthma is a chronic inflammatory disorder of the pulmonary airways. Gelam honey has been proven to possess anti-inflammatory property with great potential to treat an inflammatory condition. However, the effect of ingestion of Gelam honey on allergic asthma has never been studied. This study aimed to investigate the efficacy of Gelam honey on the histopathological changes in the lungs of a mice model of allergic asthma. Forty-two Balb/c mice were divided into seven groups: control, I, II, III, IV, V and VI group...
January 2018: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29319845/il-37-inhibits-il-4-il-13-induced-ccl11-production-and-lung-eosinophilia-in-murine-allergic-asthma
#10
Jiaoyan Lv, Yingluo Xiong, Wenjing Li, Xinyi Cui, Xunjia Cheng, Qibin Leng, Rui He
BACKGROUND: IL-37 is emerging as an anti-inflammatory cytokine, particularly in innate inflammation. However, the role of IL-37 in Th2-mediated allergic lung inflammation remains uncertain. We sought to determine the role and the underlying mechanisms of IL-37 in the development of house dust mites (HDM)-induced murine asthma model. METHODS: We examined the effect of IL-37 administration during the sensitization or challenge phase on Th2-mediated allergic asthma induced by inhaled HDM...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29319217/the-science-behind-skin-care-moisturizers
#11
REVIEW
Zoe D Draelos
Moisturizers provide functional skin benefits, such as making the skin smooth and soft, increasing skin hydration, and improving skin optical characteristics; however, moisturizers also function as vehicles to deliver ingredients to the skin. These ingredients may be vitamins, botanical antioxidants, peptides, skin-lightening agents, botanical anti-inflammatories, or exfoliants. This discussion covers the science of moisturizers.
January 10, 2018: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29316687/contact-behavior-of-composite-crtisin-coated-dies-in-compressing-of-mg-alloy-sheets-under-high-pressure
#12
T S Yang, S H Yao, Y Y Chang, J H Deng
Hard coatings have been adopted in cutting and forming applications for nearly two decades. The major purpose of using hard coatings is to reduce the friction coefficient between contact surfaces, to increase strength, toughness and anti-wear performance of working tools and molds, and then to obtain a smooth work surface and an increase in service life of tools and molds. In this report, we deposited a composite CrTiSiN hard coating, and a traditional single-layered TiAlN coating as a reference. Then, the coatings were comparatively studied by a series of tests...
January 8, 2018: Materials
https://www.readbyqxmd.com/read/29316328/anti-fibrotic-effects-of-pirfenidone-by-interference-with-the-hedgehog-signalling-pathway-in-patients-with-systemic-sclerosis-associated-interstitial-lung-disease
#13
Hua Xiao, Guang-Feng Zhang, Xiang-Ping Liao, Xiao-Jie Li, Jian Zhang, Haobo Lin, Zhe Chen, Xiao Zhang
AIM: To determine whether pirfenidone attenuates lung fibrosis by interfering with the hedgehog (Hh) signalling pathway in patients with systemic sclerosis-associated interstitial lung disease (SSc-ILD). METHODS: Twenty-five SSc-ILD patients (20 first visit, five who underwent pirfenidone treatment for 6 months) and 10 healthy controls were recruited. Lung tissues were obtained by open-chest surgery, and primary lung fibroblasts were isolated, cultured and stimulated with pirfenidone...
January 7, 2018: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29313707/sputum-eosinophilia-and-mri-ventilation-heterogeneity-in-severe-asthma
#14
Sarah Svenningsen, Rachel L Eddy, Hui Fang Lim, P Gerard Cox, Parameswaran Nair, Grace Parraga
RATIONALE: Inflammation and smooth muscle dysfunction are integral components of severe asthma that contribute to luminal obstruction causing airflow limitation, ventilation heterogeneity and symptoms. This is important for guiding treatment decisions directed at inflammatory (eg. anti-Th2 monoclonal antibodies) and non-inflammatory, smooth muscle-mediated (eg. bronchial thermoplasty) components of severe asthma. OBJECTIVE: To investigate the contribution of eosinophilic-bronchitis and smooth muscle dysfunction to magnetic-resonance-imaging (MRI) ventilation heterogeneity in severe asthmatics...
January 9, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29305433/pinx1-and-tert-are-required-for-tnf-%C3%AE-induced-airway-smooth-muscle-chemokine-gene-expression
#15
Karl Deacon, Alan J Knox
Airway smooth muscle (ASM) cells contribute to asthmatic lung pathology with chemokine hypersecretion and increased ASM cell mass. With little recent progress in the development of asthma therapies, a greater understanding of lung inflammation mechanisms has become a priority. Chemokine gene expression in ASM cells is dependent upon NF-κB transcription factor activity. The telomerase/shelterin complex maintains chromosomal telomere ends during cell division. Telomerase is a possible cofactor for NF-κB activity, but its role in NF-κB activity in airway tissue inflammation is not known...
January 5, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29301325/extracorporeal-shock-wave-therapy-alters-the-expression-of-fibrosis-related-molecules-in-fibroblast-derived-from-human-hypertrophic-scar
#16
Hui Song Cui, A Ram Hong, June-Bum Kim, Joo Hyang Yu, Yoon Soo Cho, So Young Joo, Cheong Hoon Seo
Extracorporeal shock wave therapy (ESWT) considerably improves the appearance and symptoms of post-burn hypertrophic scars (HTS). However, the mechanism underlying the observed beneficial effects is not well understood. The objective of this study was to elucidate the mechanism underlying changes in cellular and molecular biology that is induced by ESWT of fibroblasts derived from scar tissue (HTSFs). We cultured primary dermal fibroblasts derived from human HTS and exposed these cells to 1000 impulses of 0...
January 2, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29298510/structural-activity-relationship-of-ginsenosides-from-steamed-ginseng-in-the-treatment-of-erectile-dysfunction
#17
Ang Ying, Qing-Tao Yu, Li Guo, Wen-Song Zhang, Jin-Feng Liu, Yun Li, Hong Song, Ping Li, Lian-Wen Qi, Ya-Zhong Ge, E-Hu Liu, Qun Liu
Ginseng has been reported to have diverse pharmacological effects. One of the therapeutic claims for ginseng is to enhance sexual function. Ginsenosides are considered as the major active constituents. A steaming process can alter the ginsenoside profile of ginseng products. The structure-function relationship of ginsenosides in the treatment of erectile dysfunction (ED) has not been investigated yet. In this work, 15 different processed ginsengs are produced by steaming, and 13 major ginsensosides are quantified by liquid chromatography with UV detection, including Rg1, Re, Rf, Rb1, Rc, Rb2, Rf, Rk3, Rh4, 20S-Rg3, 20R-Rg3, Rk1, and Rg5...
January 3, 2018: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/29295656/core-shell-poly-lactide-co-%C3%AE%C2%B5-caprolactone-gelatin-fiber-scaffolds-as-ph-sensitive-drug-delivery-systems
#18
Qingqing Sang, Heyu Li, Gareth Williams, Huanling Wu, Li-Min Zhu
Dual-drug-loaded pH-responsive fiber scaffolds were successfully prepared by coaxial electrospinning. These were designed with the aim of being sutured into the resection site after tumor removal, to aid recovery and prevent cancer recurrence. The shell was made up of a mixture of gelatin and sodium bicarbonate (added to provide pH-sensitivity), and was loaded with the anti-inflammatory drug ciprofloxacin; the core comprised poly(lactide-co-ε-caprolactone) with the chemotherapeutic doxorubicin hydrochloride...
January 1, 2018: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/29287621/glucocorticoids-regulate-the-vascular-remodeling-of-aortic-dissection-via-the-p38-mapk-hsp27-pathway-mediated-by-soluble-tnf-rii
#19
Lei Zhang, Jian Zhou, Zaiping Jing, Yu Xiao, Yudong Sun, Yani Wu, Huiying Sun
Increasing researches suggest that inflammatory response is involved in vascular remodeling, which plays an important role in the development of aortic dissection. Glucocorticoids have been widely used in the clinical practice due to its powerful and effective anti-inflammatory property. However, the potential relationship between glucocorticoids and aortic dissection was still obscure. This study sought to elucidate the effect of glucocorticoids on the development and progression of aortic dissection, and the potential mechanism involved...
December 6, 2017: EBioMedicine
https://www.readbyqxmd.com/read/29286129/knockdown-of-elf3a-inhibits-tgf%C3%A2-%C3%AE-1%C3%A2-induced-extracellular-matrix-protein-expression-in-keloid-fibroblasts
#20
Tianyu Li, Junxiang Zhao
Keloid formation is characterized by hyperproliferation of secretory and responsive keloid fibroblasts (KFs) and overproduction of extracellular matrix (ECM). Eukaryotic translation initiation factor 3 subunit A (eIF3a) one of the core subunits of the translation initiation complex, eIF3, has previously been reported to possess an anti‑fibrogenic effect. However, the role of eIF3a in keloid formation has not yet been investigated. Therefore, the present study examined the effect of eIF3a on transforming growth factor‑β1 (TGF‑β1)‑mediated ECM expression in KFs...
December 29, 2017: Molecular Medicine Reports
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