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Yang Su, Jingxiao Lu, Xianguo Chen, Chaozhao Liang, Pengcheng Luo, Cong Qin, Jie Zhang
Chronic prostatitis (CP) is a clinically common disease with high morbidity. It affects the patients' quality of life (QoL) as well as physical and mental health seriously due to the recurring symptoms of lower urinary tract and genitalia. As the opinions about the etiology of CP are still not uniform, it is very difficult to be treated or even cured. Autophagy is a highly conserved physiological function which is widely found in eukaryotic cells. In general, cells maintain a certain level of autophagy under physiological conditions, and the basal level of autophagy can be regulated by a variety of autophagy-related genes under stress such as hunger, infection, trauma, and other circumstances...
April 19, 2018: Inflammation
Li Li, Chuan Wang, Yating Wen, Yuming Hu, Yafeng Xie, Man Xu, Mingxing Liang, Wei Liu, Liangzhuan Liu, Yimou Wu
Chlamydia psittaci is an obligate intracellular pathogen that can cause zoonosis. Persistent C. psittaci infection can inhibit apoptosis in host cells, thus extending their survival and enabling them to complete their growth cycle. In this study, the antiapoptotic effects of persistent C. psittaci infection, induced by treatment with IFN-γ, were found to be associated with both the death receptor and the mitochondrial pathways of apoptosis. These effects were mediated by Bcl-2 family members, as evidenced by the decreased expression of proapoptotic proteins, such as tBid and Bim...
April 18, 2018: Inflammation
Katja M Bendtsen, Peter Tougaard, Axel K Hansen
Inflammatory priming of immune cells in early life may optimize the response to a subsequent inflammatory challenge later in life. To prime the immune cells in the gut in vivo through a short inflammatory insult, we administered a low dose of dextran sulfate sodium (DSS) to 5-weeks-old BALB/c mice in the drinking water. We hypothesized that DSS-primed mice would show decreased inflammation and difference in immunological profiling, when subjected to presensitizing and oxazolone-induced colitis by rectal instillation at 9 weeks compared to non-DSS-primed control mice...
April 18, 2018: Inflammation
Wei Zhu, Yuexia Ding, Wei Kong, Tuo Li, Hongguang Chen
In this study, we explored the neuroprotective effects of docosahexaenoic acid (DHA) in traumatic brain injury (TBI) models. In this study, we first confirmed that DHA was neuroprotective against TBI via the NSS test and Morris water maze experiment. Western blot was conducted to identify the expression of Bax, caspase-3, and Bcl-2. And the cell apoptosis of the TBI models was validated by TUNEL staining. Relationships between nuclear factor erythroid 2-related factor 2-antioxidant response element (Nrf2-ARE) pathway-related genes and DHA were explored by RT-PCR and Western blot...
April 16, 2018: Inflammation
Huaying Wang, Chun'er Lv, Shi Wang, Huajuan Ying, Yuesong Weng, Wanjun Yu
The NLR pyrin domain-containing protein 3 (NLRP3) inflammasome, a multi-protein complex, produces the pro-inflammatory cytokines interleukin (IL)-1β and IL-18, which may contribute to the development of airway inflammation in chronic obstructive pulmonary disease (COPD). The aim of this study was to explore the correlation between circulating and local airway NLRP3 inflammasome activation with acute exacerbation of COPD (AECOPD). mRNA levels of NLRP3, Caspase (Casp)-1, apoptosis-associated speck-like protein containing CARD (ASC), IL-18, and IL-1β in peripheral blood mononuclear cells (PBMCs) and bronchial tissues were determined by real-time PCR in 32 smokers, 65 patients with AECOPD, 50 COPD patients in recovery stage, and 30 COPD patients in stable stage...
April 14, 2018: Inflammation
Marcus Vinicius P S Nascimento, Antonio C M Munhoz, Lais C Theindl, Eduarda Talita B Mohr, Najla Saleh, Eduardo B Parisotto, Thaís A Rossa, Ariane Zamoner, Tania B Creczynski-Pasa, Fabíola B Filippin-Monteiro, Marcus M Sá, Eduardo Monguilhott Dalmarco
Although inflammation is a biological phenomenon that exists to protect the host against infections and/or related problems, its unceasing activation results in the aggravation of several medical conditions. Imidazoles, whether natural or synthetic, are molecules related to a broad spectrum of biological effects, including anti-inflammatory properties. In this study, we screened eight novel small molecules of the imidazole class synthesized by our research group for their in vitro anti-inflammatory activity...
April 14, 2018: Inflammation
Joanna Costa, Yan Zhu, Timothy Cox, Paul Fawcett, Thomas Shaffer, Deepthi Alapati
Pulmonary hypertension in the neonate requires treatment with oxygen and positive pressure ventilation, both known to induce lung injury. The direct response of pulmonary artery smooth muscle cells, the most abundant cells in the artery wall, to the stress of positive pressure and hyperoxia has not been previously studied. Pulmonary artery smooth muscle cells were cultured in temperature- and pressure-controlled air-tight chambers under conditions of positive pressure or hyperoxia for 24 h. Control cells were cultured in room air under atmospheric pressure...
April 14, 2018: Inflammation
Jonathan M Bekisz, Christopher D Lopez, Carmen Corciulo, Aranzazu Mediero, Paulo G Coelho, Lukasz Witek, Roberto L Flores, Bruce N Cronstein
Adenosine receptor activation has been explored as a modulator of the inflammatory process that propagates osteoarthritis. It has been reported that cartilage has enhanced regenerative potential when influenced by adenosine receptor activation. As adenosine's role in maintaining chondrocyte homeostasis at the cellular and molecular levels is explored, successful in vivo applications of adenosine delivery for cartilage repair continue to be reported. This review summarizes the role adenosine receptor ligation plays in chondrocyte homeostasis and regeneration of articular cartilage damaged in osteoarthritis...
April 14, 2018: Inflammation
Jun Pan, Rilong Jin, Miaoda Shen, Ronghuan Wu, Sanzhong Xu
Osteoarthritis is a type of joint disease that results from the breakdown of joint cartilage and underlying bone and is believed to be caused by mechanical stress on the joint and low-grade inflammatory processes. Acamprosate significantly ameliorates the pathological features of experimental autoimmune encephalomyelitis due to its anti-inflammatory effect. The aims of the present study were to investigate the anti-arthritis activities of acamprosate and elucidate the underlying mechanisms. Adjuvant-induced arthritis (AIA) was induced by intradermal injection of complete Freund's adjuvant...
April 14, 2018: Inflammation
Hong-Tao Li, Zhuang-Gui Chen, Yu-Sen Lin, Hui Liu, Jin Ye, Xiao-Ling Zou, Yan-Hong Wang, Hai-Ling Yang, Tian-Tuo Zhang
The experimental model of combined allergic rhinitis and asthma syndrome (CARAS) has shown that CpG oligodeoxynucleotides (CpG-ODNs) are potential inhibitors of type 2 helper cell-driven inflammatory responses. Currently available CpG-ODNs modestly inhibit allergic responses in CARAS, while a combination strategy for upper airway treatment by co-administration of CpG-ODNs and glucocorticoids may show good efficacy. This study aimed to assess the therapeutic effects of CpG-ODNs combined with budesonide (BUD) on upper and lower-airway inflammation and remodeling in mice with CARAS induced by chronic exposure to ovalbumin (OVA), exploring the possible underlying molecular mechanisms...
April 13, 2018: Inflammation
Karen Marinho Maciel Guedes, Rosivaldo Santos Borges, Enéas Andrade Fontes-Júnior, Andressa Santa Brigida Silva, Luanna Melo Pereira Fernandes, Sabrina Carvalho Cartágenes, Ana Carla Godinho Pinto, Mallone Lopes Silva, Luana Melo Diogo Queiroz, José Luís Fernandes Vieira, Pergentino José Cunha Sousa, Cristiane Socorro Ferraz Maia
Salicytamide is a new drug developed through molecular modelling and rational drug design by the molecular association of paracetamol and salicylic acid. This study was conducted to assess the acute oral toxicity, antinociceptive, and antioedematogenic properties of salicytamide. Acute toxicity was based on the OECD 423 guidelines. Antinociceptive properties were investigated using the writhing, hot plate and formalin tests in Swiss mice. Antioedematogenic properties were evaluated using the carrageenan-induced paw oedema model and croton oil-induced dermatitis in Wistar rats...
April 13, 2018: Inflammation
Ru-Jie Chen, Xian-Yang Guo, Bi-Huan Cheng, Yu-Qiang Gong, Bin-Yu Ying, Meng-Xiang Lin
Saikosaponin a (SSa), a triterpenoid saponin, has numerous pharmacological properties, including anti-inflammatory and antioxidant effects. The purpose of this study was to investigate whether and how SSa protected against cigarette smoke (CS)-induced lung inflammation in mice. The mice were exposed to CS and SSa was administered by an intraperitoneal (i.p.) injection 1 h before CS treatment for 5 consecutive days. The results showed that SSa significantly inhibited CS-induced inflammatory cell infiltration, NO, TNF-α, and IL-1β production in BALF...
April 13, 2018: Inflammation
Wenbin Zhang, Gui Wang, Shujun Zhou
Isoliquiritigenin (ILG), a major ingredient of licorice, has been reported to have anti-oxidative and anti-inflammatory effects. The aim of this study was to investigate the protective effects of ILG on lung injury using an animal model of lipopolysaccharide (LPS)-induced acute lung injury (ALI). Male BALB/c mice were conditioned with ILG 1 h before intranasal instillation of LPS. The effects of ILG on lung injury were assessed by measuring lung histopathological examination, MPO assay, wet/dry (W/D) ratio, and inflammatory cytokine production...
April 13, 2018: Inflammation
Bárbara B Colombo, Victor Fattori, Carla F S Guazelli, Tiago H Zaninelli, Thacyana T Carvalho, Camila R Ferraz, Allan J C Bussmann, Kenji W Ruiz-Miyazawa, Marcela M Baracat, Rúbia Casagrande, Waldiceu A Verri
The idiopathic inflammatory bowel diseases (IBD) comprise two types of chronic intestinal disorders: Crohn's disease and ulcerative colitis. Recruited neutrophils and macrophages contribute to intestinal tissue damage via production of ROS and NF-κB-dependent pro-inflammatory cytokines. The introduction of anti-TNF-α therapies in the treatment of IBD patients was a seminal advance. This therapy is often limited by a loss of efficacy due to the development of adaptive immune response, underscoring the need for novel therapies targeting similar pathways...
April 10, 2018: Inflammation
Haipei Liu, Li Hua, Quanhua Liu, Jun Pan, Yixiao Bao
Bronchial asthma is a chronic inflammatory airway disease that can be aggravated by cold air. However, its mechanism remains largely unknown. As a thermo-sensing cation channel, transient receptor potential melastatin 8 (TRPM8) can be activated by cold stimuli (8-22 °C) and cooling agents. Whereas TRPM8 activation leads to enhanced expression of inflammatory cytokines and mucus hypersecretion in human bronchial epithelial cell lines, no previous study has examined its role in regulating the cold-induced inflammatory responses and its mechanism in asthmatic airway epithelium...
April 9, 2018: Inflammation
Juan Zhang, Yue Zhang, Weiyan Wang, Chunling Li, Zhiyi Zhang
In 1992, arsenic trioxide (As2 O3 , ATO) was demonstrated to be an effective therapeutic agent against acute promyelocytic leukemia (APL), rekindling attention to ATO applications in U.S. Food and Drug Administration clinical trials for the treatment of cancers, such as leukemia, lymphomas, and solid tumors. ATO is a potent chemotherapeutic drug that can also be used to treat other diseases, such as autoimmune diseases, because it affects multiple pathways including apoptosis induction, differentiation stimulation, and proliferation inhibition...
April 9, 2018: Inflammation
Yang Wang, Chen-Chen Han, Dongqian Cui, Ting-Ting Luo, Yifan Li, Yuwen Zhang, Yang Ma, Wei Wei
The original version of this article contained mistakes, and the authors would like to correct them.
April 4, 2018: Inflammation
Tufan Mert, Emel Sahin, Selma Yaman, Mehmet Sahin
In this study, we tested our working hypothesis that inhibiting the activation of microglia by systemic minocycline treatments can decrease the dosage of local tramadol injection in inflammatory pain. This study was therefore aimed to evaluate the actions of intraplantarly injected tramadol, intraperitoneally injected minocycline, or their combined treatments on the inflammation-induced hypernociception (thermal hyperalgesia, mechanical allodynia), edema, and pro- and anti-inflammatory cytokine levels of paw and spinal cord tissues in a rat model of carrageenan-induced hindpaw inflammation...
April 3, 2018: Inflammation
Wonmin Ko, Jin-Soo Park, Kwan-Woo Kim, Jongwon Kim, Youn-Chul Kim, Hyuncheol Oh
Four nardosinone-type sesquiterpenes, nardosinone, isonardosinone, kanshone E, and kanshone B, were isolated from the hexane fraction of Nardostachys jatamansi (Valerianaceae) methanol extract. The structures of these compounds were mainly established by analyzing the data obtained from nuclear magnetic resonance (NMR) spectroscopy and mass spectrometry (MS). In this study, we investigated their anti-neuroinflammatory effects in lipopolysaccharide (LPS)-induced BV2 microglial cells. The results showed that nardosinone-type sesquiterpenes inhibited the production of pro-inflammatory mediators, such as nitric oxide (NO) and prostaglandin E2 (PGE2 ) in LPS-induced BV2 microglial cells...
April 3, 2018: Inflammation
Qiang Su, Junjing Yao, Cunjian Sheng
Myocarditis is a cardiomyopathy associated with inflammatory response. It has been reported that geniposide (GEN), a traditional Chinese herb extract from Gardenia jasminoides Ellis, possesses an anti-inflammatory effect and a protective effect on cardiomyocytes. The present study aimed to explore the protective role of GEN and the underlying mechanism in LPS-injured H9c2 cells. H9c2 cells were treated with LPS to induce cell injury and then we investigated the effect of GEN. miR-145 expression was inhibited by transfection with miR-145 inhibitor and its expression was measured by RT-PCR...
April 2, 2018: Inflammation
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