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Inflammatory factors

Edouard Louis
Biologic treatments have revolutionized the way we treat inflammatory bowel disease patients (IBD). Anti-tumor necrosis factor (anti-TNF) antibodies are superior to conventional therapies to achieve sustained remission without steroids and mucosal healing. The objective of IBD treatment has evolved from symptom alleviation to a combination of absence of symptoms and intestinal healing. Nevertheless, biologics are expensive and are associated with an increased risk of infections and possibly skin cancers. Therefore, the duration of these treatments may be questioned, and stopping them may be contemplated by some patients and clinicians, while it is sometimes even imposed by some jurisdictions across the world...
March 14, 2018: Inflammatory Bowel Diseases
Keisuke Handa, Syouta Abe, V Venkata Suresh, Yoshiyasu Fujieda, Masaki Ishikawa, Ai Orimoto, Yoko Kobayashi, Satoru Yamada, Satoko Yamaba, Shinya Murakami, Masahiro Saito
OBJECTIVE: Marfan syndrome (MFS) is a systemic connective tissue disorder caused by insufficient fibrillin-1 (FBN-1), a major component of microfibrils that controls the elasticity and integrity of connective tissues. FBN-1 insufficiency in MFS leads to structural weakness, which causes various tissue disorders, including cardiovascular and periodontal disease. However, the role of FBN-1 insufficiency in the destruction and regeneration of connective tissue has not yet been clarified...
March 6, 2018: Archives of Oral Biology
Dong-Keon Lee, Ji-Hee Kim, Joohwan Kim, Seunghwan Choi, MinSik Park, Wonjin Park, Suji Kim, Kyu-Sun Lee, Taesam Kim, Jiwon Jung, Yoon Kyung Choi, Kwon-Soo Ha, Moo-Ho Won, Timothy R Billiar, Young-Guen Kwon, Young-Myeong Kim
Regulated in development and DNA damage responses (REDD)-1, an inhibitor of mammalian target of rapamycin (mTOR), is induced by various cell stressors, including LPS, a major player in the pathogenesis of endotoxemic shock. However, the pathologic role of REDD-1 in endotoxemia is largely unknown. We found that LPS increased REDD-1 expression, nuclear transcription factor-κB (NF-κB) activation, and inflammation and that these responses were suppressed by REDD-1 knockdown and in REDD-1+/- macrophages. REDD-1 overexpression stimulated NF-κB-dependent inflammation without additional LPS stimulation...
March 16, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
Hirofumi Chiba, Yoichi Kakuta, Yoshitaka Kinouchi, Yosuke Kawai, Kazuhiro Watanabe, Munenori Nagao, Takeo Naito, Motoyuki Onodera, Rintaro Moroi, Masatake Kuroha, Yoshitake Kanazawa, Tomoya Kimura, Hisashi Shiga, Katsuya Endo, Kenichi Negoro, Masao Nagasaki, Michiaki Unno, Tooru Shimosegawa
BACKGROUND: Inflammatory bowel disease (IBD) has an unknown etiology; however, accumulating evidence suggests that IBD is a multifactorial disease influenced by a combination of genetic and environmental factors. The influence of genetic variants on DNA methylation in cis and cis effects on expression have been demonstrated. We hypothesized that IBD susceptibility single-nucleotide polymorphisms (SNPs) regulate susceptibility gene expressions in cis by regulating DNA methylation around SNPs...
2018: PloS One
Sukyoung Choi, Soohan Jung, Kwang Suk Ko
Coffee roasting affects the taste, color, and aroma of coffee. The Maillard reaction, a major reaction during the roasting process, produces melanoidin, which affects the overall antioxidant capacity and anti-inflammatory effects of coffee. In this experiment, coffee roasting was divided into four degrees: Light, Medium, City, and French. To examine the in vivo antioxidant and anti-inflammatory effects of coffee extracts with different roasting degrees, we used 10-week-old male C57BL/6 mice. Mice were pre-treated with coffee extracts for 10 days by oral gavage (300 mg/Kg...
March 16, 2018: Nutrients
Kai G Kahl, Michael Deuschle, Brendon Stubbs, Ulrich Schweiger
Background Severe mental illnesses (SMIs), i.e. major depression, schizophrenia and bipolar disorder, are associated with an elevated risk for the development of type-2 diabetes mellitus and cardiovascular disorders. Several factors have been associated with increased cardiometabolic morbidity and mortality in SMI, including lifestyle factors (smoking, inactivity, unhealthy diet), endocrine and immunologic alterations; however, the underlying mechanisms remain to be fully uncovered. It is now well accepted that visceral adipose tissue (VAT) promotes the development of cardiometabolic disorders, at least in part by inflammatory and metabolic functions...
March 16, 2018: Hormone Molecular Biology and Clinical Investigation
Dario Graceffa, Claudio Bonifati, Viviana Lora, Pier Luigi Saraceni, Catia De Felice, Maria Sole Chimenti, Roberto Perricone, Aldo Morrone
BACKGROUND: The inflammatory involvement of the enthesis in the course of psoriasis is accompanied by structural abnormalities detectable by ultrasound. The most common of these abnormalities is the thickening of the tendon at the insertion site. AIMS: The aim of the present study was to compare the thickness of entheses of patients with psoriatic arthritis, only skin psoriasis, and healthy controls. METHODS: A cross-sectional study was conducted in a cohort of patients affected with either only skin psoriasis or psoriatic arthritis as well as in a control group...
March 16, 2018: Indian Journal of Dermatology, Venereology and Leprology
Jiyoun Min, Dongchan Yang Sung, Mirang Kim, Keeok Haam, Anji Yoo, Jae-Hoon Choi, Barbara U Schraml, Yong Sung Kim, Dongsup Kim, Suk-Jo Kang
The spatiotemporal regulation of immune cells in lymph nodes (LNs) is crucial for mounting protective T-cell responses, which are orchestrated by dendritic cells (DCs). However, it is unclear how the DC subsets are altered by the inflammatory milieu of LNs. Here, we show that the inflamed LNs of Listeria-infected mice are characterized by the clustering of neutrophils and monocytes and IFN-γ production. Significantly, the early inflammatory responses are coupled with the differentiation of not one, but two types of CD64+ CD11c+ MHCII+ inflammatory DCs...
March 16, 2018: Experimental & Molecular Medicine
Maria Luz Fernandez, Minu Sara Thomas, Bruno S Lemos, Diana M DiMarco, Amanda Missimer, Melissa Melough, Ock K Chun, Ana Gabriela Murillo, Hana Alyousef, Isabel Medina-Vera
BACKGROUND: Telomerase Activator 65 (TA-65), a compound extracted from Astragalus membranaceus has been used in Chinese traditional medicine for extending life span. Scarce information exists on the effects of TA-65 on parameters of metabolic syndrome (MetS). METHODS: We recruited 40 patients with MetS to determine the effects of TA-65 on dyslipidemias, hypertension, and oxidative stress in this at-risk population. The study was a double-blind, randomized crossover design in which patients were allocated to consume either 16 mg daily of a TA-65 supplement or a placebo for 12 weeks...
March 15, 2018: Current Pharmaceutical Design
Johan G Schnitzler, Geesje M Dallinga-Thie, Jeffrey Kroon
Over the last century, many studies have demonstrated that low-density lipoprotein (LDL) is a key risk factor of cardiovascular diseases (CVD) related to atherosclerosis. Thus, for these CVD patients, LDL lowering agents are commonly used in the clinic to reduce the risk for CVD. LDL, upon modification, will develop distinct inflammatory and pro-atherogenic potential, leading to impaired endothelial behavior and subsequent increased foam cell formation. LDL can also directly affect circulating monocyte composition, rendering them in a more favorable position to migrate and accumulate in the subendothelial space...
March 16, 2018: Current Medicinal Chemistry
Alice Ossoli, Chiara Pavanello, Eleonora Giorgio, Laura Calabresi, Monica Gomaraschi
Hypercholesterolemia is one of the main risk factors for the development of atherosclerosis. Among the various lipoprotein classes, however, high density lipoproteins (HDL) are inversely associated with the incidence of atherosclerosis, since they are able to exert a series of atheroprotective functions. The central role of HDL within the reverse cholesterol transport, their antioxidant and anti-inflammatory properties and their ability to preserve endothelial homeostasis are likely responsible for HDL-mediated atheroprotection...
March 15, 2018: Current Medicinal Chemistry
SeungHwan Lee, Xiang Qun Shi, Anni Fan, Brian West, Ji Zhang
Introduction Neuropathic pain is a debilitating condition. The importance of neuroimmune interactions in neuropathic pain has been evidenced by the involvement of different immune cells in peripheral and central sensitization of pathological pain. Macrophages and microglia are the most abundant immune cells activated in injured nerves and spinal cord, respectively. Several lines of evidence showed that macrophage/microglia survival, activation, proliferation, and differentiation require the involvement of macrophage-colony stimulating factor...
January 2018: Molecular Pain
Yue Ma, Chunquan Zheng, Le Shi
Background: Chronic rhinosinusitis (CRS), commonly divided into CRS with nasal polyps (CRSwNP) and without nasal polyps (CRSsNP) is an inflammatory disease which mechanism remain unclear. Leucine-rich repeat kinase 2 (LRRK2) has been proved to be a negative regulator of inflammation response while its role in pathogenesis of CRS has yet to be revealed. This research study was designed to investigate the relationship between the expression level and biologic role of LRRK2 in CRS. Methods: Expression of LRRK2 mRNA and noncoding repressor of NFAT (NRON) were examined by qRT-PCR...
2018: Clinical and Translational Allergy
Peng You, Ning Chen, Lin Su, Tao Peng, Guodong Chen, Yulan Liu
Transforming growth factor β1 (TGF-β1) has a crucial role in regulating the balance of type 17 T-helper cells (Th17) and T regulatory cells (Tregs) that are involved in the pathogenesis of inflammatory bowel disease, while the function of local TGF-β1 in this process has remained to be fully elucidated. The present study investigated the effects of different local TGF-β1 levels on the Treg/Th17 balance and on the dexamethasone efficacy in mice with 2,4,6-trinitrobenzenesulfonic acid (TNBS)-induced colitis...
April 2018: Experimental and Therapeutic Medicine
Jun Bian, Dan Cao, Jie Shen, Bo Jiang, Dan Chen, Lanzheng Bian
N-methyl pyrrolidone (NMP), a small bioactive molecule, has the potential to stimulate bone formation and inhibit osteoclast differentiation. The aim of the present study was to investigate the effect of NMP on the inflammatory response and underlying molecular mechanisms in MG-63 cells. The mRNA and protein expression of cytokines from peripheral blood in children with or without ankle fracture were determined by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and ELISA, respectively...
April 2018: Experimental and Therapeutic Medicine
Lin Shen, Yinghua Wu, Liang Han, Haiying Zhang
Low back pain (LBP) is one of the most common musculoskeletal diseases in the world. The incidence is ~70% in adults and many of them suffer from disability. Recently, intervertebral disc degeneration (IDD) has been deemed as a main cause of LBP. The present study aimed to investigate the potentials of growth and differentiation factor-5 (GDF-5) in IDD. The protein levels of prostaglandin-E2 (PGE2), tumor necrosis factor (TNF)-α and interleukin (IL)-1β in culture medium were evaluated by ELISA. mRNA and protein expression levels in nucleus pulposus (NP) cells were evaluated by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and western blotting, respectively...
April 2018: Experimental and Therapeutic Medicine
Yizi Xia, Ying Chen, Luming Tang, Zheng Wang, Yu Zheng
Acute kidney injury (AKI) is a severe complication of sepsis with a high mortality and morbidity. Pterostilbene (Pte) has been suggested to confer anti-apoptotic and anti-inflammatory effects. In the current study, the effects of Pte on AKI were evaluated in septic mice. Cecal ligation and puncture surgery was performed to induce sepsis. The results suggested that Pte administration significantly decreased the levels of serum urea nitrogen and creatinine, and improved the survival rate of septic mice. Additionally, the renal injury induced by sepsis was attenuated by pterostilbene treatment...
April 2018: Experimental and Therapeutic Medicine
Chengzhi Fang, Lili Xie, Chunmei Liu, Chunhua Fu, Wei Ye, Hong Liu, Binghong Zhang
Neonatal necrotizing enterocolitis (NEC) is a severe acquired disease that predominantly affects the small intestine of neonates. NEC is caused by a combination of metabolic products, dysfunctions of the blood vessels, mucus and other unknown factors. Berberine may induce beneficial effects on necrotic and cardiovascular diseases due to its anti-inflammatory and anti-apoptotic effects on epithelial cells. In the present study, the therapeutic effects of berberine were investigated and the potential mechanisms by which it functions within a neonatal NEC mouse model were analyzed...
April 2018: Experimental and Therapeutic Medicine
Lihua Li, Shaorong Zhang, Xunshuo Jiang, Yuehui Liu, Ke Liu, Chunping Yang
The present study aimed to explore the microRNA-let-7e (miR-let-7e) expression in allergic rhinitis (AR), and to investigate the underlying molecular mechanisms. miR-let-7e expression in the nasal mucosa of mice and patients with AR were detected. The expression levels of three inflammatory factors, including histamine, immunoglobulin E and tumor necrosis factor-α (TNF-α), in the blood of AR mice and in interleukin (IL)-13-stimulated nasal epithelial cells (NECs) were also measured. Furthermore, the target gene of miR-let-7e was predicted and validated using a luciferase reporter assay...
April 2018: Experimental and Therapeutic Medicine
Guang Shi, Jun-Wei Zhao, Xiao-Xu Sun, Jun-Fen Ma, Pan Wang, Fu-Cheng He, Liang Ming
The interaction between inflammatory processes and a hypercoagulant state may aggravate the severity of asthma and stimulate the airway remodeling of asthma. The aim of the current study was to evaluate the association between the negative inflammatory regulator tumor necrosis factor α induced protein-8 like-2 (TIPE2) and the coagulating substances tissue factor (TF) and thrombospondin-1 (TSP-1) in patients with bronchial asthma. Compared with healthy controls, TIPE2 expression was significantly downregulated, whereas TF expression was upregulated in the peripheral blood mononuclear cells (PBMCs) of patients with bronchial asthma...
April 2018: Experimental and Therapeutic Medicine
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