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https://www.readbyqxmd.com/read/29150241/targeting-interleukin-1%C3%AE-protects-from-aortic-aneurysms-induced-by-disrupted-transforming-growth-factor-%C3%AE-signaling
#1
Francesco Da Ros, Raimondo Carnevale, Giuseppe Cifelli, Dario Bizzotto, Manuel Casaburo, Marialuisa Perrotta, Lorenzo Carnevale, Iolanda Vinciguerra, Stefania Fardella, Roberta Iacobucci, Giorgio M Bressan, Paola Braghetta, Giuseppe Lembo, Daniela Carnevale
Aortic aneurysms are life-threatening conditions with effective treatments mainly limited to emergency surgery or trans-arterial endovascular stent grafts, thus calling for the identification of specific molecular targets. Genetic studies have highlighted controversial roles of transforming growth factor β (TGF-β) signaling in aneurysm development. Here, we report on aneurysms developing in adult mice after smooth muscle cell (SMC)-specific inactivation of Smad4, an intracellular transducer of TGF-β. The results revealed that Smad4 inhibition activated interleukin-1β (IL-1β) in SMCs...
November 10, 2017: Immunity
https://www.readbyqxmd.com/read/29149346/novel-pathways-of-endocrine-disruption-through-pesticides-interference-with-human-mineralocorticoid-receptors
#2
Jianyun Zhang, Xin Huang, Hongling Liu, Weiping Liu, Jing Liu
Mineralocorticoid receptor (MR) is one member of the steroid receptor family. In addition to its important role in Na+/K+ homeostasis, MR is reported as a tumor-suppressor in carcinogenesis. So far, little was known about the ability of pesticides to interfere with MR. In this study, a total of 43 pesticides and/or metabolites were investigated for their potential effects on human MR. None of the tested pesticides exhibited MR agonistic potency, while 16 compounds showed antagonistic activities. Further investigations indicated that these 16 chemicals individually antagonized aldosterone-induced alkaline phosphatase expression in vascular smooth muscle cells and aldosterone-inhibited hepatocellular carcinoma cell proliferation at higher concentrations, and the mixture of these 16 pesticides at environmentally relevant concentrations significantly disrupted MR activity...
November 15, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29146573/prostanoid-ep4-agonist-l-902-688-activates-ppar%C3%AE-and-attenuates-pulmonary-arterial-hypertension
#3
Hsin-Hsien Li, Hsao-Hsun Hsu, Gwo-Jyh Chang, I-Chen Chen, Wan-Jing Ho, Pei-Chen Hsu, Wei-Jan Chen, Jong-Hwei Su Pang, Chung-Chi Huang, Ying-Ju Lai
Prostacyclin agonists that bind the prostacyclin receptor (IP) to stimulate cyclic adenosine monophosphate (cAMP) synthesis are effective vasodilators for the treatment of idiopathic pulmonary arterial hypertension (IPAH) but this signaling may occur through nuclear peroxisome proliferator-activated receptor-gamma (PPARγ). There is evidence of scant IP and PPARγ expression but stable prostanoid EP4 receptor (EP4) expression in IPAH patients. Both IP and EP4 functionally couple with stimulatory G protein (Gs), which activate signal transduction...
November 16, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29142394/antioxidant-phytochemicals-of-opuntia-ficus-indica-l-mill-cladodes-with-potential-anti-spasmodic-activity
#4
Francesco Lanuzza, Francesco Occhiuto, Maria Teresa Monforte, Maria Marcella Tripodo, Valeria D'Angelo, Enza Maria Galati
Background: Opuntia ficus-indica (OFI) (L.) Mill. (Cactaceae), a plant widespread in dry regions of the world, shows interesting biological activities (cicatrizant, antiulcer, anti-inflammatory, and hypolipidemic) and is widely used in traditional medicine. Objectives: Phytochemical analysis and antispasmodic effect of wild OFI cladodes were carried out. Material and Methods: Polyphenols and Vitamin E occurrence, in antioxidant pool of OFI cladodes, were quantified by high-performance liquid chromatography...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29134293/medicinal-foods-for-functional-gi-disorders
#5
REVIEW
Brent W Acker, Brooks D Cash
PURPOSE OF REVIEW: Over the past 10 years, there has been a dramatic increase in basic and clinical research involving functional gastrointestinal disorders (FGIDs). New diagnostic and biomarker procedures are helping to identify physiologic disruptions associated with FGIDs on cellular and molecular levels. Simultaneously, clinicians are using new approaches to help manage patients with FGIDs. Among these, an important component of care has been the use of medical foods. These include probiotics, prebiotics, synbiotics, peppermint oil, caraway oil, curcumin, bovine immunoglobulin and many others...
November 13, 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/29129602/standardized-fraction-of-xylocarpus-moluccensis-fruits-improve-vascular-relaxation-and-plaque-stability-in-dyslipidemic-models-of-atherosclerosis
#6
Jitendra S Kanshana, Sanjay C Rebello, Priya Pathak, Babu Nageswararao Kanuri, Hobby Aggarwal, Vasundhara Srivastava, Vivek Khanna, Vishal Singh, Kumaravelu Jagavelu, Manoj K Barthwal, Madhu Dikshit
ETHNOPHARMACOLOGICAL RELEVANCE: Xylocarpus moluccensis (Lamk.) M. Roem of family Meliaceae has triterpenoids rich fruits. Triterpenoids have been known to possess cardioprotection and anti-atherosclerotic activities (Han and Bakovic, 2015; Wu et al., 2009). Standardised fraction of these fruits exhibited anti-dyslipidemic (Srivastava et al., 2015), anti-inflammatory (Ravangpai et al., 2011) and CNS depressant activity (Sarker et al., 2007). However, there is no report in the literature on its cardiovascular effects...
November 9, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29128090/crocus-sativus-l-aqueous-extract-reduces-atherogenesis-increases-atherosclerotic-plaque-stability-and-improves-glucose-control-in-diabetic-atherosclerotic-animals
#7
Ei Christodoulou, N P E Kadoglou, M Stasinopoulou, O A Konstandi, C Kenoutis, Z I Kakazanis, A Rizakou, N Kostomitsopoulos, G Valsami
BACKGROUND AND AIMS: We aimed to evaluate a possible atheroprotective effect of saffron aqueous extract (SFE), and its potential anti-inflammatory mechanisms, in apoE knockout (ApoE(-/-)) mice. METHODS: Fifty male, ApoE(-/-) mice, fed a high-fat diet (HFD) for 12 weeks, were randomized into 5 groups: (1) baseline group, euthanatized, without intervention, (2) three saffron groups, receiving HFD and 30,60,90 mg/kg/day of SFE, respectively, for four weeks, per os through gavage, after reconstitution in water for injection (WFI), (3) control group (COG), receiving daily HFD and the same volume of WFI (four weeks)...
November 1, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29127880/effects-of-flavonoids-on-microrna-145-regulation-through-klf4-and-myocardin-in-neointimal-formation-in-vitro-and-in-vivo
#8
Chiu-Mei Lin, Bao-Wei Wang, Chun-Ming Pan, Wei-Jen Fang, Su-Kiat Chua, Sheng-Wen Hou, Hang Chang, Kou-Gi Shyu
MicroRNA 145 (miR-145) is a critical modulator of vascular smooth muscle cell (VSMC) phenotyping and proliferation. Flavonoids have been studied extensively due to their diverse pharmacological properties, including anti-inflammatory effects. The aims of this study is designed to evaluate the atheroprotective effects on angiotensin II (Ang II)-induced miR-145 and Klf4/myocardin expression in vitro and in vivo of flavonoids, including (-)-epigallocatechin gallate (EGCG), chrysin, wogonin, silibinin, and ferulic acid...
September 14, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29126308/nrf2-deficiency-promotes-the-progression-from-acute-tubular-damage-to-chronic-renal-fibrosis-following-unilateral-ureteral-obstruction
#9
Weiwei Kong, Jingqi Fu, Nan Liu, Congcong Jiao, Guangying Guo, Junjun Luan, Huihui Wang, Li Yao, Lining Wang, Masayuki Yamamoto, Jingbo Pi, Hua Zhou
Background: Nuclear factor erythroid 2-related factor 2 (Nrf2) is a central mediator of cellular responses to oxidative stress. We hypothesized that Nrf2 modulates progression from acute tubular damage to renal fibrosis. We asked whether Nrf2 deletion increases renal injury in mice following unilateral ureteral obstruction (UUO). Methods: We explored the time course of renal injury and Nrf2 expression in Nrf2+/+ mice following UUO. We compared Nrf2+/+ and Nrf2-/- mice following UUO in tubular damage, transdifferentiation [vimentin, proliferating cell nuclear antigen (PCNA)], fibrosis [fibronectin, α-smooth muscle actin (SMA)], antioxidative and inflammatory responses...
November 6, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29119715/glabridin-inhibits-the-activation-of-myofibroblasts-in-human-fibrotic-buccal-mucosal-fibroblasts-through-tgf-%C3%AE-smad-signaling
#10
Ping-Hui Lee, Pei-Ming Chu, Pei-Ling Hsieh, Hui-Wen Yang, Pin Ju Chueh, Yu-Feng Huang, Yi-Wen Liao, Cheng-Chia Yu
Oral submucous fibrosis (OSF) has been recognized as one of the oral potentially malignant disorders. Areca nut chewing is implicated in this pathological fibrosis, and it causes chronic inflammation and persistent activation of myofibroblasts. As yet, existing treatments only provide temporary symptomatic relief and there is a lack of an effective intervention to cure OSF. Therefore, development of approaches to ameliorate myofibroblast activities becomes a crucial objective to prevent the malignant progression of OSF...
November 9, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/29115615/effects-of-dabigatran-regulates-no%C3%A2-reflow-phenomenon-in-acute-myocardial-infarction-mice-through-anti%C3%A2-inflammatory-and-anti%C3%A2-oxidative-activities-and-connective-tissue-growth-factor-expression
#11
Kunqing Song, Yanshan Wang, Jizhang Sheng, Chunmei Ma, Hongmei Li
Pradaxa is a novel oral anticoagulant, which was originally used to prevent thrombosis following joint replacement surgery. The aim of the current study was to investigate the effect dabigatran on acute myocardial infarction through regulating no‑reflow phenomenon and oxidative stress, neutrophil intraplaque infiltration and apoptosis. In the present study, dabigatran significantly inhibited the infarct size, increased arterial pressure and reduced no‑reflow phenomenon in acute myocardial infarction (AMI) vehicle rabbits...
October 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29112932/anti-atherosclerotic-effect-of-longxuetongluo-capsule-in-high-cholesterol-diet-induced-atherosclerosis-model-rats
#12
J M Zhou, H M Wang, Y Z Lv, Z Z Wang, W Xiao
Chinese dragon's blood, the red resin of Dracaena cochinchinensis, one of the famous traditional medicines, has been used to promote blood circulation, disperse blood stasis, stop bleeding, relieve pain and muscle regeneration for thousands of years. The aims of this study were to evaluate the anti-atherosclerotic effect of Longxuetongluo Capsule (LTC), which made by total phenolic compounds of Chinese dragon's blood, in high cholesterol diet (HCD)-induced atherosclerosis model rats and explore the possible mechanism...
November 4, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29112085/diagnosis-and-management-of-paediatric-autoimmune-liver-disease-espghan-hepatology-committee-position-statement
#13
Giorgina Mieli-Vergani, Diego Vergani, Ulrich Baumann, Piotr Czubkowski, Dominique Debray, Antal Dezsofi, Björn Fischler, Girish Gupte, Loreto Hierro, Giuseppe Indolfi, Jörg Jahnel, Françoise Smets, Henkjan J Verkade, Nedim Hadzic
Paediatric autoimmune liver disease is characterised by inflammatory liver histology, circulating autoantibodies and increased levels of IgG, in the absence of a known etiology. Three conditions have a likely autoimmune pathogenesis: autoimmune hepatitis (AIH), autoimmune sclerosing cholangitis (ASC), and de novo AIH after liver transplantation. Two types of paediatric AIH are recognized according to seropositivity for smooth muscle and/or antinuclear antibody (SMA/ANA, AIH-1) or liver kidney microsomal type 1 and/or anti-liver cytosol type 1 antibodies (anti-LKM-1/anti-LC-1; AIH-2)...
November 3, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/29111069/chitosan-and-thiolated-chitosan-novel-therapeutic-approach-for-preventing-corneal-haze-after-chemical-injuries
#14
Forouhe Zahir-Jouzdani, Mirgholamreza Mahbod, Masoud Soleimani, Faezeh Vakhshiteh, Ehsan Arefian, Saeed Shahosseini, Rasoul Dinarvand, Fatemeh Atyabi
Corneal haze, commonly caused by deep physical and chemical injuries, can greatly impair vision. Growth factors facilitate fibroblast proliferation and differentiation, which leads to haze intensity. In this study, the potential effect of chitosan (CS) and thiolated-chitosan (TCS) nanoparticles and solutions on inhibition of fibroblast proliferation, fibroblast to myofibroblast differentiation, neovascularization, extracellular matrix (ECM) deposition, and pro-fibrotic cytokine expression was examined. Transforming growth factor beta-1 (TGFβ1) was induced by interleukin-6 (IL6) in human corneal fibroblasts and expression levels of TGFβ1, Platelet-derived growth factor (PDGF), α-smooth muscle actins (α-SMA), collagen type I (Col I), fibronectin (Fn) and vascular endothelial growth factor (VEGF) were quantified using qRT-PCR...
January 1, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29108204/-clinical-features-of-autoimmune-hepatitis-patients-with-poor-response-to-treatment
#15
H W Zhang, H M Liu, R Lin, L Zhou, J Zhang, W T Liu
Objective: To investigate the clinical features of autoimmune hepatitis (AIH) patients with poor response to treatment. Methods: A total of 61 AIH patients were enrolled, among whom 49 (80.33%) achieved complete response (good response group) and 12 (19.67%) had incomplete response (poor response group). The two groups were compared in terms of clinical manifestations, laboratory markers, abdominal ultrasound findings, pathological features by liver biopsy, and response to treatment. Continuous data were expressed as mean ± standard deviation (x±s), and the t-test was used for comparison between groups; categorical data were expressed as rates or percentages, and the chi-square test was used for comparison between groups; a binary logistic regression analysis was used to determine influencing factors...
October 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/29108201/-clinical-features-of-imbalance-between-th1-and-th22-cells-and-its-association-with-disease-progression-in-patients-with-liver-cirrhosis
#16
H Q Wu, J J Zhao, H W Li, Z Zhang
Objective: To investigate the clinical features of imbalance between Th1 and Th22 cells and its association with disease progression in patients with liver cirrhosis, and to explore immune therapeutic strategies for targeted therapy for liver cirrhosis. Methods: In vitro peripheral blood mononucleated cells (PBMCs) were collected by centrifugation. CD3-BV500 and CD8-PerCP-Cy5.5 staining was performed for these cells. IFNγ-PE-Cy7, IL-17a-APC, IL-22-PE, or the corresponding isotype control was added, and then PBMCs were fixed with 1% polyoxymethylene after being washed once by permeabilization-wash buffer...
October 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/29105631/phytoformulation-of-sassurea-lappa-plant-extract-a-single-blind-noninvasive-and-split-face-study-of-cream-on-various-skin-parameters
#17
Qazi Adnan, Naveed Akhtar, Barkat Ali Khan
Saussurea lappa (SL) has been reported for its antioxidant and anti-ageing properties. Due to this reason it can be incorporated in a stable phytoformulations for cosmetic use. The objective of the study was to evaluate the anti-aging potential of cosmetic o/w emulsion containing the botanical extract of SL. An emulsion (o/w) was prepared using TEGO® Care 450 (Polyglceryl-3-Methyl Glucose Distearate) emulsifier and final emulsion was loaded with 4 % extract of SL in aqueous phase. This emulsion evaluated for its antioxidant and anti-ageing properties on healthy human subjects using a non-invasive technique called surface evaluation of living skin (SELS)...
September 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29104653/naringenin-inhibits-transforming-growth-factor-%C3%AE-1-induced-cardiac-fibroblast-proliferation-and-collagen-synthesis-via-g0-g1-arrest
#18
Mingxin Liu, Xiping Xu, Jianhua Zhao, Yanhong Tang
The Traditional Chinese Medicine naringenin (NRG) has a number of biological effects, including anti-inflammatory, anti-oxidative, anti-tumor and anti-atherosclerotic effects. However, the mechanism underlying its effects remains unclear. The aim of the present study is to investigate the role and mechanism of NRG on proliferation and collagen synthesis of cardiac fibroblasts (CFs) induced by transforming growth factor β1 (TGF-β1). Firstly, proliferation and collagen synthesis in CFs subjected to TGF-β1 was assessed subsequent to the consumption of NRG or control treatment...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29098024/azithromycin-attenuates-acute-radiation-induced-lung-injury-in-mice
#19
Fei Tang, Rui Li, Jianxin Xue, Jie Lan, He Xu, Yongmei Liu, Lin Zhou, You Lu
Radiation-induced lung injury (RILI) is a common and major obstacle in thoracic cancer radiotherapy, resulting in considerable morbidity and limiting the dose of radiation. However, an effective treatment option remains to be established. Therefore, the present study aimed to investigate the effects of azithromycin (AZM) in acute RILI with a mouse model. In the present study, C57BL/6 mice were given a single thoracic irradiation of 16 Gy and administered orally with AZM. The lung histopathological findings, the levels of malondialdehyde (MDA; an indicator of oxidative damage) and the concentration of pro-inflammatory and pro-fibrotic cytokines in plasma were assessed on 28 day following irradiation...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29096550/optimization-of-nutraceutical-coenzyme-q10-nanoemulsion-with-improved-skin-permeability-and-anti-wrinkle-efficiency
#20
Eman S El-Leithy, Amna M Makky, Abeer M Khattab, Doaa G Hussein
Coenzyme Q10 (CoQ10) is an insoluble, poorly permeable antioxidant with great biological value which acts as anti-aging and anti-wrinkle agent. To improve its permeability through topical application, the current study aimed at formulating oil/water (o/w) nanoemulsion (NE) as an efficient vehicle for delivering (CoQ10) through the skin barriers. The solubility of (CoQ10) was tested for various oils, surfactants (S), and co-surfactants (CoS). The NE region was determined by constructing pseudoternary phase diagrams...
November 2, 2017: Drug Development and Industrial Pharmacy
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