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https://www.readbyqxmd.com/read/29906773/in-vitro-investigation-of-anti-acne-properties-of-mangifera-indica-l-kernel-extract-and-its-mechanism-of-action-against-propionibacterium-acnes
#1
Worrapan Poomanee, Wantida Chaiyana, Monika Mueller, Helmut Viernstein, Watcharee Khunkitti, Pimporn Leelapornpisid
Propionibacterium acnes has been recognized as a main target for medical treatment of acne since this bacterium promotes acne inflammation by inducing upregulation of pro-inflammatory cytokines production, resulting in an accumulation of neutrophils and oxygen-free radicals produced by neutrophils within acne lesion. The aims of this study were to evaluate the biological activities of Mangifera indica kernel extracts grown in Northern Thailand (Kaew-Moragot cultivar), related to anti-acne properties including antimicrobial effect against acne-inducing bacteria together with the first elucidation of the mechanism of action against Propionibacterium acnes, anti-oxidation, and anti-inflammation...
May 17, 2018: Anaerobe
https://www.readbyqxmd.com/read/29906536/mahuang-decoction-mitigates-airway-inflammation-and-regulates-il-21-stat3-signaling-pathway-in-rat-asthma-model
#2
Yu He, Xiaohui Lou, Zhan Jin, Li Yu, Ling Deng, Haitong Wan
ETHNOPHARMACOLOGICAL RELEVANCE: Nowadays, bronchial asthma is still a severe disease threatening human health, and it is incumbent upon us to seek effective therapeutic drugs. Mahuang decoction (MHD), a classic famous Chinese prescription, has been used for thousands of years to prevent phlegm from forming, stop coughing and relieve asthma, but the relevant mechanism has not been thoroughly clarified. This study aims to investigate the anti-airway inflammation effect of MHD and the possible molecular mechanism underlying IL21/STAT3 signaling pathway, so as to provide guidance for the treatment of MHD on bronchial asthma...
June 12, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29906416/bioactive-lipid-species-and-metabolic-pathways-in-progression-and-resolution-of-non-alcoholic-steatohepatitis
#3
REVIEW
Giovanni Musso, Maurizio Cassader, Elena Paschetta, Roberto Gambino
The prevalence of non-alcoholic steatohepatitis (NASH) is increasing worldwide, yet there are no effective treatments. A decade has passed since initial lipidomic analyses of liver tissues from patients with non-alcoholic fatty liver disease. We have learned that liver cells from patients with NASH have an abnormal lipid composition, and the accumulation of lipids leads to organelle dysfunction, cell injury and death, and chronic inflammation, called liptoxicity. We review the lipid species and metabolic pathways that contribute to pathogenesis of NASH, as well as potential therapeutic targets, including enzymes involved in fatty acid and triglyceride synthesis, bioactive sphingolipids and polyunsaturated-derived eicosanoids and specialized proresolving lipid mediators...
June 12, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29906340/sympatho-excitatory-response-to-pulmonary-chemosensitive-spinal-afferent-activation-in-anesthetized-vagotomized-rats
#4
Julia Shanks, Zhiqiu Xia, Steven J Lisco, George J Rozanski, Harold D Schultz, Irving H Zucker, Han-Jun Wang
The sensory innervation of the lung is well known to be innervated by nerve fibers of both vagal and sympathetic origin. Although the vagal afferent innervation of the lung has been well characterized, less is known about physiological effects mediated by spinal sympathetic afferent fibers. We hypothesized that activation of sympathetic spinal afferent nerve fibers of the lung would result in an excitatory pressor reflex, similar to that previously characterized in the heart. In this study, we evaluated changes in renal sympathetic nerve activity (RSNA) and hemodynamics in response to activation of TRPV1-sensitive pulmonary spinal sensory fibers by agonist application to the visceral pleura of the lung and by administration into the primary bronchus in anesthetized, bilaterally vagotomized, adult Sprague-Dawley rats...
June 2018: Physiological Reports
https://www.readbyqxmd.com/read/29906247/a-critical-role-for-abc-transporters-in-persistent-lung-inflammation-in-the-development-of-emphysema-after-smoke-exposure
#5
Jarrod Sonett, Monica Goldklang, Piotr Sklepkiewicz, Adam Gerber, Jordis Trischler, Tina Zelonina, Marit Westerterp, Vincent Lemaître, Yasunori Okada, Jeanine D'Armiento
Macrophage infiltration is common to both emphysema and atherosclerosis, and cigarette smoke down-regulates the macrophage cholesterol efflux transporter ATP binding cassette (ABC)A1. This decreased cholesterol efflux results in lipid-laden macrophages. We hypothesize that cigarette smoke adversely affects cholesterol transport via an ABCA1-dependent mechanism in macrophages, enhancing TLR4/myeloid differentiation primary response gene 88 (Myd88) signaling and resulting in matrix metalloproteinase (MMP) up-regulation and exacerbation of pulmonary inflammation...
June 15, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29905835/glucocorticoids-and-bone-consequences-of-endogenous-and-exogenous-excess-and-replacement-therapy
#6
Rowan S Hardy, Hong Zhou, Markus J Seibel, Mark S Cooper
Osteoporosis associated with long-term glucocorticoid therapy remains a common and serious bone disease. In addition, in recent years it has become clear that more subtle states of endogenous glucocorticoid excess may have a major impact on bone health. Adverse effects can be seen with mild systemic glucocorticoid excess but there is also evidence of tissue-specific regulation of glucocorticoid action within bone as a mechanism of disease. This review article will examine a) the role of endogenous glucocorticoids in normal bone physiology, b) the skeletal effects of endogenous glucocorticoid excess in the context of endocrine conditions such as Cushing's disease/syndrome and autonomous cortisol secretion (subclinical Cushing's syndrome), and c) the actions of therapeutic (exogenous) glucocorticoids on bone...
June 13, 2018: Endocrine Reviews
https://www.readbyqxmd.com/read/29905641/surgical-treatment-of-diplopia-in-graves-orbitopathy-patients
#7
Anja Eckstein, Joachim Esser, Michael Oeverhaus, Peerooz Saeed, Hinke Marijke Jellema
PURPOSE: To review the authors' current understanding of motility dysfunction in patients with thyroid eye disease and to summarize appropriate evaluation and available management options. METHODS: Data were retrieved from a systematic search of the literature. RESULTS: Diplopia is one of the most disabling symptoms for Graves orbitopathy patients. It occurs in moderate-to-severe Graves orbitopathy stages and does not respond well to available anti-inflammatory treatment...
June 13, 2018: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29905411/anti-inflammatory-and-antioxidant-effects-of-mesenchymal-and-hematopoietic-stem-cells-in-a-rheumatoid-arthritis-rat-model
#8
Hanan Abdelmawgoud, Asmaa Saleh
BACKGROUND: Mesenchymal stem cells (MSCs) are of increased importance because of their capacity to counteract inflammation and suppress host immune responses. OBJECTIVES: The aim of the study was to compare the effectiveness of MSCs and hematopoietic stem cells (HSCs) in the treatment of rheumatoid arthritis (RA). MATERIAL AND METHODS: Paw swelling was assessed by measuring the thickness of the hind paws using a caliper. Cytokines - interleukin (IL)-6, tumor necrosis factor-alpha (TNF-α), transforming growth factor-beta (TGF-β), and IL-10 - and rheumatoid factor (RF) were measured using enzyme-linked immunosorbent assay (ELISA) kits...
June 15, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29904933/dna-methylation-profiles-of-immune-response-related-genes-in-apical-periodontitis
#9
C Wichnieski, K Maheshwari, L C Souza, F Nieves, T Tartari, G P Garlet, E Carneiro, A Letra, R M Silva
AIM: To investigate the DNA methylation profiles of immune-response related genes in apical periodontitis (AP) lesions. METHODOLOGY: The methylation profiles on the cytosine-phosphate-guanine (CpG) regions of 22 gene promoters involved in inflammation and autoimmunity were assessed in 60 human AP lesions and 24 healthy periodontal ligaments (controls) using a pathway-specific real-time polymerase chain reaction array (EpiTect® Methyl Signature PCR Array Human Inflammatory Response)...
June 14, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29904594/towards-precision-medicine-the-application-of-omics-technologies-in-asthma-management
#10
Chiara Scelfo, Carla Galeone, Francesca Bertolini, Marco Caminati, Patrizia Ruggiero, Nicola Facciolongo, Francesco Menzella
Asthma is a chronic obstructive respiratory disease characterised by bronchial inflammation. Its biological and clinical features have been widely explored and a number of pharmacological treatments are currently available. Currently several aspects of asthma pathophysiological background remain unclear, and this is crucial for the traditional asthma phenotype approach as well as for new endotype definition. In this scenario, the identification of new molecular and clinical biomarkers may be helpful in order to better understand the disease, define specific diagnostic tools and highlight relevant novel targets for pharmacology treatments...
2018: F1000Research
https://www.readbyqxmd.com/read/29904593/case-report-pulmonary-and-liver-sarcoidosis-suspected-of-metastasis
#11
Behnam Jafari, Gholamabas Sabz, Elahe Masnavi, Roghaye Panahi, Saeid Jokar, Amrollah Roozbehi, Sajad Hasanzadeh
Introduction : Sarcoidosis is a granulomatous disease with unknown cause that can vary from an asymptomatic condition. Almost half of the patients with sarcoidosis have no symptoms. In this article, we describe a sarcoidosis patient with lung and liver engagement; it may be confused with metastasis. Case report : A 39-year-old man, known as hypothyroidism who had come to the emergency ward with dyspnea and coughing after exposure to detergents in a closed environment A 39-year-old man, known as hypothyroidism who had come to the emergency ward with dyspnea and coughing after exposure to detergents in a closed environment...
2018: F1000Research
https://www.readbyqxmd.com/read/29904432/breast-panniculitis-with-liquefactive-fat-necrosis-a-case-report
#12
Yongfeng Zhang, Xuhua Shi, Yuewu Lu
Panniculitis is a group of heterogeneous disorders characterized by inflammation of the subcutaneous adipose tissue. Panniculitis of breast tissue as the initial manifestation has rarely been reported and is often misdiagnosed. Breast panniculitis may cause substantial morbidity and early diagnosis and treatment are important for the prognosis of the disease. The present study has reported a case of panniculitis with inflammation of the mammary glands as the initial presentation and provided a detailed description of ultrasonography, X-ray, computed tomography, magnetic resonance imaging and other imaging features of breast panniculitis...
June 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29904431/interventions-and-mechanisms-of-n-acetylcysteine-on-monocrotaline-induced-pulmonary-arterial-hypertension
#13
Wencheng Yu, Xiaoxia Song, Chen Lin, Weina Ji
The aim of the present study was to investigate the impact of N-acetylcysteine (NAC) on the expression of activin receptor-like kinase-1 (ALK-1) and mothers against decapentaplegic homolog 1 (Smad1) in the pulmonary artery of rats with pulmonary arterial hypertension (PAH), and to explore the possible mechanisms underlying its effects on pulmonary vascular remodeling (PVR). In total, 32 Wistar rats were randomly divided into four groups: Control, model, low-dose (100 mg/kg/day) NAC and high-dose (500 mg/kg/day) NAC...
June 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29904430/expression-profile-of-micrornas-following-bone-marrow-derived-mesenchymal-stem-cell-treatment-in-lipopolysaccharide-induced-acute-lung-injury
#14
Joonhong Park, Sikyoung Jeong, Kicheol Park, Keumjin Yang, Soyoung Shin
Immunomodulatory or immunosuppressive properties of bone marrow-derived mesenchymal stem cells (BM-MSCs) facilitate the treatment of acute respiratory distress syndrome and acute lung injury (ALI). Dysregulated miRNA (miRNA or miR) expression associated with the effects of BM-MSCs was assessed in a rat model of lipopolysaccharide (LPS)-induced ALI. The present study performed biochemical tests to assess five analytes, including alanine aminotransferase (ALT), aspartate aminotransferase (AST), lactate, blood urea nitrogen (BUN), and creatinine (CREA)...
June 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29904426/antinociceptive-effects-of-dezocine-on-complete-freund-s-adjuvant-induced-inflammatory-pain-in-rats
#15
Zhenhai Ye, Maoxian Zhang, Ning Ding, Peng Gao, Yunpeng Hei, Yun Wang, Wei Gao, Qingshan Ye
Inflammatory pain is known to severely impact the life quality of patients. Notably, dezocine is widely used for the treatment of pain. Therefore, the current study aimed to examine the effects of dezocine on a complete Freund's adjuvant (CFA)-induced inflammatory pain model in rats and to investigate the possible underlying molecular mechanisms. Rats were randomly divided into three groups, including the control, CFA and dezocine+CFA groups, and then subcutaneously injected with 100 µl saline, subcutaneously injected with 100 µl CFA or pretreated with 1 ml dezocine (0...
June 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29904244/treatment-of-helicobacter-pylori-infection-in-atrophic-gastritis
#16
REVIEW
Edith Lahner, Marilia Carabotti, Bruno Annibale
Helicobacter pylori (Hp) is a major human pathogen causing chronic, progressive gastric mucosal damage and is linked to gastric atrophy and cancer. Hp-positive individuals constitute the major reservoir for transmission of infection. There is no ideal treatment for Hp. Hp infection is not cured by a single antibiotic, and sometimes, a combined treatment with three or more antibiotics is ineffective. Atrophic gastritis (AG) is a chronic disease whose main features are atrophy and/or intestinal metaplasia of the gastric glands, which arise from long-standing Hp infection...
June 14, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29903998/honey-based-templates-in-wound-healing-and-tissue-engineering
#17
REVIEW
Benjamin A Minden-Birkenmaier, Gary L Bowlin
Over the past few decades, there has been a resurgence in the clinical use of honey as a topical wound treatment. A plethora of in vitro and in vivo evidence supports this resurgence, demonstrating that honey debrides wounds, kills bacteria, penetrates biofilm, lowers wound pH, reduces chronic inflammation, and promotes fibroblast infiltration, among other beneficial qualities. Given these results, it is clear that honey has a potential role in the field of tissue engineering and regeneration. Researchers have incorporated honey into tissue engineering templates, including electrospun meshes, cryogels, and hydrogels, with varying degrees of success...
June 14, 2018: Bioengineering
https://www.readbyqxmd.com/read/29903732/flavorings-in-tobacco-products-induce-endothelial-cell-dysfunction
#18
Jessica L Fetterman, Robert M Weisbrod, Bihua Feng, Reena Bastin, Shawn T Tuttle, Monica Holbrook, Gregory Baker, Rose Marie Robertson, Daniel J Conklin, Aruni Bhatnagar, Naomi M Hamburg
OBJECTIVE: Use of alternative tobacco products including electronic cigarettes is rapidly rising. The wide variety of flavored tobacco products available is of great appeal to smokers and youth. The flavorings added to tobacco products have been deemed safe for ingestion, but the cardiovascular health effects are unknown. The purpose of this study was to examine the effect of 9 flavors on vascular endothelial cell function. APPROACH AND RESULTS: Freshly isolated endothelial cells from participants who use nonmenthol- or menthol-flavored tobacco cigarettes showed impaired A23187-stimulated nitric oxide production compared with endothelial cells from nonsmoking participants...
June 14, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29903654/anti-pruritic-and-anti-inflammatory-effects-of-oxymatrine-in-a-mouse-model-of-allergic-contact-dermatitis
#19
Xiaoyun Xu, Wei Xiao, Zhe Zhang, Jianhao Pan, Yixi Yan, Tao Zhu, Dan Tang, Kaihe Ye, Manish Paranjpe, Lintao Qu, Hong Nie
BACKGROUND: Allergic contact dermatitis (ACD) is a highly prevalent inflammatory disease of the skin. As a result of the complex etiology in ACD, therapeutic compounds targeting refractory pruritus in ACD lack efficacy and lead to numerous side effects. OBJECTIVE: In this study, we investigated the anti-pruritic effects of oxymatrine (OMT) and explored its mechanism of action in a mouse model of ACD. METHOD: 72 male SPF C57BL/6 mice were randomly divided into control group, ACD model group, dexamethasone positive control group (0...
May 31, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29902539/advances-in-the-characterization-of-the-scorpaena-plumieri-cytolytic-toxin-sp-ctx
#20
Pedro F Malacarne, Thiago N Menezes, Cleciane W Martins, Gustavo B Naumann, Helena L Gomes, Rita G W Pires, Suely G Figueiredo, Fabiana V Campos
Proteins that account for the hemolytic activity found in scorpaeniform fish venoms are responsible for the majority of the effects observed upon envenomation, for instance, neurotoxic, cardiotoxic and inflammatory effects. These multifunctional toxins, described as protein lethal factors and referred to as cytolysins, are known to be extremely labile molecules. In the present work, we endeavored to overcome this constraint by determining optimal storage conditions for Sp-CTx, the major bioactive component from the scorpionfish Scorpaena plumieri venom...
June 11, 2018: Toxicon: Official Journal of the International Society on Toxinology
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