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https://www.readbyqxmd.com/read/28544365/anti-aging-drugs-reduce-hypothalamic-inflammation-in-a-sex-specific-manner
#1
Marianna Sadagurski, Gillian Cady, Richard A Miller
Aging leads to hypothalamic inflammation, but does so more slowly in mice whose lifespan has been extended by mutations that affect GH/IGF-1 signals. Early-life exposure to GH by injection, or to nutrient restriction in the first 3 weeks of life, also modulate both lifespan and the pace of hypothalamic inflammation. Three drugs extend lifespan of UM-HET3 mice in a sex-specific way: acarbose (ACA), 17-α-estradiol (17αE2), and nordihydroguaiaretic acid (NDGA), with more dramatic longevity increases in males in each case...
May 20, 2017: Aging Cell
https://www.readbyqxmd.com/read/28544314/low-intensity-endurance-exercise-plus-nandrolone-decanoate-modulates-cardiac-adiponectin-and-its-receptors
#2
A Karimi, S Joukar, H Najafipour, Y Masoumi-Ardakani, B Shahouzehi
Vast adverse effects of anabolic-androgenic steroids (AASs) on athletes' cardiovascular systems have been reported. However, there is still a lack of adequate information regarding the pathways and mechanisms involved. We tested the hypothesis that adiponectin and its receptors in the heart may be affected by long-term use of AASs alongside exercising. Male Wistar rats were randomized into the control (CTL), exercise (EX), nandrolone (Nan), arachis (Arach) group which treated with arachis as vehicle, trained vehicle (EX+Arach) and trained nandrolone (EX+Nan) groups that were treated for 8 weeks...
March 2017: Autonomic & Autacoid Pharmacology
https://www.readbyqxmd.com/read/28543864/modulation-of-heme-oxygenase-1-expression-and-activity-affects-streptozotocin-induced-diabetic-nephropathy-in-rats
#3
Marwa A M Ali, Gehan H Heeba, Azza A K El-Sheikh
Heme oxygenase (HO)-1 has exhibited nephro-protective actions in different animal models; however, its full mechanistic potential in diabetic nephropathy (DN) has not yet been elucidated. Hence, the present study has been undertaken by inducing DN in rats using streptozotocin (50mg/kg i.p.), with or without either HO-1 inducer; hemin (HM; 40 μmol/kg, s.c.), or HO-1 blocker; zinc protoporphyrin-IX (ZnPP; 50 μmol/kg, i.p.), for one month. Compared to control, rats with DN suffered from hyperglycemia and hyperlipidemia, with signs of renal damage, as assessed by distortion in renal histopathological architecture and kidney function...
May 23, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28543747/oxazolo-4-5-b-pyridine-based-piperazinamides-as-gsk-3%C3%AE-inhibitors-with-potential-for-attenuating-inflammation-and-suppression-of-pro-inflammatory-mediators
#4
Mushtaq A Tantray, Imran Khan, Hinna Hamid, Mohammad Sarwar Alam, Abhijeet Dhulap, Ajaz Ahmad Ganai
Recent studies reveal that glycogen synthase kinase-3β (GSK-3β) acts as a pro-inflammatory enzyme, and by inhibiting this kinase, inflammation can be controlled. In this regard, a series of 17 piperazine-linked oxazolo[4,5-b]pyridine-based derivatives was synthesized and evaluated for in vitro GSK-3β inhibitory and in vivo anti-inflammatory activity. The compounds 7d, 7e, 7g, and 7c displayed the best GSK-3β inhibitory activity among all the synthesized compounds, with corresponding IC50 values of 0.34, 0...
May 22, 2017: Archiv der Pharmazie
https://www.readbyqxmd.com/read/28543170/specific-activation-of-cd4-cd8-double-negative-t-cells-by-t-cruzi-derived-glycolipids-induces-a-pro-inflammatory-profile-associated-with-cardiomyopathy-in-chagas-patients
#5
Lívia Silva Araújo Passos, Luísa Mourão Dias Magalhães, Rodrigo Pedro Soares, Alexandre F Marques, Maria do Carmo Pereira Nunes, Kenneth J Gollob, Walderez Ornelas Dutra
Cardiomyopathy is the most severe outcome of Chagas disease, causing over 12,000 deaths/year. Immune cells participate in cardiomyopathy development either by direct tissue destruction, or by driving inflammation. We have shown that CD4-CD8- (double negative - DN) T cells are major sources of inflammatory and anti-inflammatory cytokines, associated with the cardiac (CARD) and indeterminate (IND) forms of Chagas disease, respectively. Here, we sought to identify Trypanosoma cruzi derived components that lead to activation of DN T cells in Chagas patients...
May 24, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28542575/the-anti-inflammatory-and-antioxidant-effects-of-melatonin-on-lps-stimulated-bovine-mammary-epithelial-cells
#6
Guang-Min Yu, Hirokazu Kubota, Miki Okita, Teruo Maeda
Mastitis is the most prevalent disease in dairy cattle worldwide and not only causes huge economic losses in the dairy industry but also threatens public health. To evaluate the therapeutic potential of melatonin in mastitis, we examined the ability of melatonin to protect bovine mammary epithelial cells (bMECs) from the harmful effects of lipopolysaccharide (LPS). We found that melatonin inhibited the LPS-binding protein-CD14-TLR4 signaling pathway in bMECs, which had opposing effects on pro-inflammatory and anti-inflammatory mediators...
2017: PloS One
https://www.readbyqxmd.com/read/28542361/granulocyte-colony-stimulating-factor-blockade-enables-dexamethasone-to-inhibit-lipopolysaccharide-induced-murine-lung-neutrophils
#7
Jesus Banuelos, Yun Cao, Soon Cheon Shin, Bruce S Bochner, Pedro Avila, Shihong Li, Xin Jiang, Mark W Lingen, Robert P Schleimer, Nick Z Lu
Glucocorticoids promote neutrophilic inflammation, the mechanisms of which are poorly characterized. Using a lipopolysaccharide (LPS)-induced acute murine lung injury model, we determined the role of granulocyte colony-stimulating factor (G-CSF) in mouse lung neutrophil numbers in the absence and presence of dexamethasone, a potent glucocorticoid. G-CSF was blocked using a neutralizing antibody. Airway neutrophil numbers, cytokine levels, and lung injury parameters were measured. Glucocorticoid treatment maintained LPS-induced airway G-CSF while suppressing TNF and IL-6...
2017: PloS One
https://www.readbyqxmd.com/read/28542298/early-anti-tnf-immunomodulator-therapy-is-associated-with-better-long-term-clinical-outcomes-in-asian-patients-with-crohn-s-disease-with-poor-prognostic-factors
#8
Eun Hye Oh, Kyunghwan Oh, Minkyu Han, Hyungil Seo, Kiju Chang, Sun-Ho Lee, Gwang-Un Kim, Eun Mi Song, Myeongsook Seo, Ho-Su Lee, Sung Wook Hwang, Sang Hyoung Park, Dong-Hoon Yang, Kyung-Jo Kim, Jeong-Sik Byeon, Seung-Jae Myung, Suk-Kyun Yang, Byong Duk Ye
Although early treatment of Crohn's disease (CD) patients with anti-tumor necrosis factor (TNF) agents or immunomodulators (IMs) may improve long-term outcomes, especially those with poor prognostic factors, their effectiveness in Asians remains unclear. In this study, Korean patients with CD naïve to both intestinal surgery and intestinal complications, and with at least two risk factors for progression (diagnosis at age <40 years, systemic corticosteroid treatment <3 months after diagnosis, and perianal fistula at diagnosis) were retrospectively analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28542284/haemocytes-collected-from-experimentally-infected-pacific-oysters-crassostrea-gigas-detection-of-ostreid-herpesvirus-1-dna-rna-and-proteins-in-relation-with-inhibition-of-apoptosis
#9
Claire Martenot, Ophélie Gervais, Bruno Chollet, Maryline Houssin, Tristan Renault
Recent transcriptomic approaches focused on anti-viral immunity in molluscs lead to the assumption that the innate immune system, such as apoptosis, plays a crucial role against ostreid herpesvirus type 1 (OsHV-1), infecting Pacific cupped oyster, Crassostrea gigas. Apoptosis constitutes a major mechanism of anti-viral response by limiting viral spread and eliminating infected cells. In this way, an OsHV-1 challenge was performed and oysters were monitored at three times post injection to investigate viral infection and host response: 2h (early after viral injection in the adductor muscle), 24h (intermediate time), and 48h (just before first oyster mortality record)...
2017: PloS One
https://www.readbyqxmd.com/read/28540751/treatment-of-adult-onset-still-s-disease-up-to-date
#10
Dae Hyun Yoo
Adult onset Still's disease (AOSD) is a systemic inflammatory disorder of unknown etiology, and approximately 60-70% of patients may develop a chronic polyphasic form of the disease or a chronic polyarthritis. Due to rarity of disease, treatment of AOSD is not based on controlled study, but on case based experiences. Recently, the application of anti-cytokine therapy based on pathophysiology has resulted in significant progress in the treatment of AOSD. Here, we review current knowledge of the pathogenesis, disease progression, currently available biomarkers of disease activity, standard therapeutic agents, utility of biologic agents, future perspectives for treatment and treatment of macrophage activation syndrome...
May 25, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28539989/hepatic-complications-induced-by-immunosuppressants-and-biologics-in-inflammatory-bowel-disease
#11
REVIEW
My-Linh Tran-Minh, Paula Sousa, Marianne Maillet, Matthieu Allez, Jean-Marc Gornet
The incidence of inflammatory bowel diseases (IBD) is rising worldwide. The therapeutic options for IBD are expanding, and the number of drugs with new targets will rapidly increase in coming years. A rapid step-up approach with close monitoring of intestinal inflammation is extensively used. The fear of side effects represents one the most limiting factor of their use. Despite a widespread use for years, drug induced liver injury (DILI) management remains a challenging situation with Azathioprine and Methotrexate...
May 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28539743/hepatoprotective-antihyperlipidemic-and-anti-inflammatory-activity-of-moringa-oleifera-in-diabetic-induced-damage-in-male-wistar-rats
#12
Elizabeth I Omodanisi, Yapo G Aboua, Novel N Chegou, Oluwafemi O Oguntibeju
BACKGROUND: The number of individuals with diabetes is increasing daily, and diabetes is presently estimated to affect about 422 million adults worldwide. Conventional drugs used to treat diabetes are not without severe side effects, accessibility, and affordability. This study elucidates the potential effects of Moringa oleifera (MO) leaves extract to manage and treat diabetes induced in male Wistar rats. MATERIALS AND METHODS: Adult male Wistar rats were randomly divided into four groups (n = 12/group): NC - nondiabetic rats (positive control), MO - nondiabetic-treated rats, DM - diabetic rats (negative control), DM + MO - diabetic-treated rats...
April 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/28539723/antimicrobial-and-anti-inflammatory-effects-of-ethanol-extract-of-corylopsis-coreana-uyeki-flos
#13
Da-Eon Park, In-Soo Yoon, Jung-Eun Kim, Ji-Hye Seo, Jin-Cheol Yoo, Chun-Sik Bae, Chang-Dai Lee, Dae-Hun Park, Seung-Sik Cho
BACKGROUND: Corylopsis coreana Uyeki (Hamamelidaceae) is a medicinal plant cultivated in Northeast Asia. Previously, we have reported that an ethanol extract of Corylopsis coreana Uyeki flos (ECCF) contains four active compounds with antioxidant activity. OBJECTIVE: The aim of this study was to investigate the antimicrobial spectrum against infectious bacteria and anti-inflammatory effect of ECCF in a mouse model of acute local inflammation. MATERIALS AND METHODS: In vitro antimicrobial susceptibility was evaluated using standard plate assay technique...
April 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28539710/anti-inflammatory-effects-of-kotmin13-a-mixed-herbal-medicine-in-lps-stimulated-raw-264-7-cells-and-mouse-edema-models
#14
Eujin Lee, Sun-Gun Kim, Na-Young Park, Hyo-Hyun Park, Kyu-Tae Jeong, Jongkeun Choi, In-Hae Lee, Hwadong Lee, Eunkyung Lee
BACKGROUND: A Korean herbal medicine, KOTMIN13, composed of Inula japonica Thunberg, Trichosanthes kirilowii Maximowicz var. japonica kitamura, Peucedanum praeruptorum Dunn, and Allium macrostemon Bge, has been used for anti-allergic and anti-asthmatic treatment in oriental clinics, but its activity has not been investigated. MATERIALS AND METHODS: To evaluate the anti-inflammatory activity of KOTMIN13 for in vitro study, LPS-stimulated RAW 264.7 cells were used to induce the production and expression of inflammatory mediators and its mechanisms...
April 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28539647/physiological-concentrations-of-soluble-uric-acid-are-chondroprotective-and-anti-inflammatory
#15
Jenn-Haung Lai, Shue-Fen Luo, Li-Feng Hung, Chuan-Yueh Huang, Shiu-Bii Lien, Leou-Chyr Lin, Feng-Cheng Liu, B Linju Yen, Ling-Jun Ho
High uric acid levels are a risk factor for cardiovascular disorders and gout; however, the role of physiological concentrations of soluble uric acid (sUA) is poorly understood. This study aimed to clarify the effects of sUA in joint inflammation. Both cell cultures of primary porcine chondrocytes and mice with collagen-induced arthritis (CIA) were examined. We showed that sUA inhibited TNF-α- and interleukin (IL)-1β-induced inducible nitric oxide synthase, cyclooxygenase-2 and matrix metalloproteinase (MMP)-13 expression...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28539262/synthetic-anti-endotoxin-peptides-inhibit-cytoplasmic-lps-mediated-responses
#16
Anja Pfalzgraff, Lena Heinbockel, Qi Su, Klaus Brandenburg, Günther Weindl
Toll-like receptor (TLR) 4-independent recognition of lipopolysaccharide (LPS) in the cytosol by inflammatory caspases leads to non-canonical inflammasome activation and induction of IL-1 secretion and pyroptosis. The discovery of this novel mechanism has potential implications for the development of effective drugs to treat sepsis since LPS-mediated hyperactivation of caspases is critically involved in endotoxic shock. Previously, we demonstrated that Pep19-2.5, a synthetic anti-endotoxin peptide, efficiently neutralises pathogenicity factors of Gram-negative and Gram-positive bacteria and protects against sepsis in vivo...
May 21, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28539257/propranolol-treatment-lowers-blood-pressure-reduces-vascular-inflammatory-markers-and-improves-endothelial-function-in-obese-mice
#17
Nathalia da Silva Franco, Camila Lubaczeuski, Daniele M Guizoni, Jamaira A Victorio, Junia C Santos-Silva, Patricia C Brum, Everardo M Carneiro, Ana P Davel
Obesity-associated hypertension is accompanied by a number of cardiovascular risk factors including vascular insulin resistance (IR) and higher sympathetic nervous activity. Therefore, autonomic blockade was demonstrated to reverse hypertension, endothelial dysfunction and IR in obese individuals. We hypothesized that β-AR blockade with propranolol would restore endothelial function and vascular insulin signaling in obesity, associated with an anti-inflammatory effect. Body weight, systolic blood pressure (SBP), plasma biochemical parameters and aortic endothelial function were analyzed in mice fed standard diet (control group) or a high fat diet (HFD) that were treated with vehicle (water) or propranolol (10mg/kg/day) for 8 weeks...
May 21, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28538192/hepatic-anti-inflammatory-effect-of-hexane-extracts-of-dioscorea-batatas-decne-possible-suppression-of-toll-like-receptor-4-mediated-signaling
#18
Hyun Jung Koo, SungRyul Lee, Kwang Jin Chang, Eunsoo Sohn, Eun-Hwa Sohn, Se Chan Kang, Suhkneung Pyo
The hepatic anti-inflammatory potential of hexane extracts of Dioscorea batatas Decne edible part (EDH-1e) and bark (EDH-2b) were investigated in Western-type diet-fed apolipoprotein E null [ApoE (-/-)] mice and HepG2 cells. EDH-1e and EDH-2b suppressed the increased levels of tumor necrosis factor alpha (TNF-α), interleukin (IL)-6, transforming growth factor beta 1 (TGF-β1), vascular cell adhesion protein 1 (VCAM-1), and monocyte chemoattractant protein-1 (MCP-1), and reduced infiltration of monocytes into liver tissue...
May 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28536359/reduced-pro-inflammatory-cytokines-after-eight-weeks-of-low-dose-naltrexone-for-fibromyalgia
#19
Luke Parkitny, Jarred Younger
Fibromyalgia (FM) is a complex, multi-symptom condition that predominantly affects women. The majority of those affected are unlikely to gain significant symptomatic control from the few treatments that are approved for FM. In this 10-week, single-blind, crossover trial we tested the immune effects of eight weeks of oral administration of low-dose naltrexone (LDN). We enrolled eight women with an average age of 46 years, symptom severity of 62 out of 100, and symptom duration of 14 years. We found that LDN was associated with reduced plasma concentrations of interleukin (IL)-1β, IL-1Ra, IL-2, IL-4, IL-5, IL-6, IL-10, IL-12p40, IL-12p70, IL-15, IL-17A, IL-27, interferon (IFN)-α, transforming growth factor (TGF)-α, TGF-β, tumor necrosis factor (TNF)-α, and granulocyte-colony stimulating factor (G-CSF)...
April 18, 2017: Biomedicines
https://www.readbyqxmd.com/read/28536017/do-chondroitin-sulfates-with-different-structures-have-different-activities-on-chondrocytes-and-macrophages
#20
André L da Cunha, Jair A K Aguiar, Flavio S Correa da Silva, Yara M Michelacci
The aim of the present study was to investigate the activities of natural chondroitin sulfates (CS) with different structures on cultured chondrocytes and macrophages. CS were isolated from cartilages of bovine trachea (BT), porcine trachea (PT), chicken sternum (Ch) and skate (Sk). The preparations were 90-98% pure, with ∼1% proteins, nucleic acids and keratan sulfate contaminants. Structural analysis of these CS and of commercial chondroitin 4- and 6-sulfate (C4S, C6S) have shown that most of their disaccharides are monosulfated, with varying proportions of 4- and 6-sulfation, and 2-7% non-sulfated disaccharides...
May 20, 2017: International Journal of Biological Macromolecules
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