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https://www.readbyqxmd.com/read/28320097/asiatic-acid-ameliorates-pulmonary-fibrosis-induced-by-bleomycin-blm-via-suppressing-pro-fibrotic-and-inflammatory-signaling-pathways
#1
Shu-Hong Dong, Yan-Wei Liu, Feng Wei, Hui-Zhen Tan, Zhi-Dong Han
Idiopathic pulmonary fibrosis is known as a life-threatening disease with high mortality and limited therapeutic strategies. In addition, the molecular mechanism by which pulmonary fibrosis developed is not fully understood. Asiatic acid (AA) is a triterpenoid, isolated from Centella asiatica, exhibiting efficient anti-inflammatory and anti-oxidative activities. In our study, we attempted to explore the effect of Asiatic acid on bleomycin (BLM)-induced pulmonary fibrosis in mice. The findings indicated that pre-treatment with Asiatic acid inhibited BLM-induced lung injury and fibrosis progression in mice...
March 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28318352/the-role-of-nlrp3-casp1-in-inflammasome-mediated-neuroinflammation-and-autophagy-dysfunction-in-manganese-induced-hippocampal-dependent-impairment-of-learning-and-memory-ability
#2
Diya Wang, Jianbin Zhang, Wenkai Jiang, Zipeng Cao, Fang Zhao, Tongjian Cai, Michael Aschner, Wenjing Luo
Central nervous system (CNS) inflammation and autophagy dysfunction are known to be involved in the pathology of neurodegenerative diseases. Manganese (Mn), a neurotoxic metal, has the potential to induce microglia-mediated neuroinflammation as well as autophagy dysfunction. NLRP3 (NLR family, pyrin domain containing 3)- CASP1 (caspase 1) inflammasome-mediated neuroinflammation in microglia has specific relevance to neurological diseases. However, the mechanism driving these phenomena remains poorly understood...
February 27, 2017: Autophagy
https://www.readbyqxmd.com/read/28316159/-mechanism-of-angiotensin-converting-enzyme-2-overexpression-improving-collagen-synthesis-in-lung
#3
Q J Yang, B B Zheng, N N Sun, M X Pan, Z M Zheng, Y Meng
Objective: To explore the mechanism of angiotensin-converting enzyme 2 (ACE2) overexpression improving collagen synthesis in lung. Methods: Lung fibroblasts of mice over-expressing ACE2 and the wild type (WT) were cultured in vitro and divided into 5 groups: WT-control, WT-AngiotensinⅡ (AngⅡ), ACE2(+ /+) -control, ACE2(+ /+) -AngⅡ and ACE2(+ /+) -AngⅡ+ A779. The protein relative expression levels of ACE2, collagen Ⅰ, nicotinamide adenine dinucleotide phosphate oxidase 4 (NOX4), nucleotide binding and oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3), autophagy-related protein (Beclin1), ubiquitin-binding protein p62 (P62), microtubule-associated proteins light chain 3-Ⅱ (LC3-Ⅱ) were measured by Western blot and triphosadenine (ATP) level was measured by ATP Assay Kit...
March 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28301257/gp91phox-nadph-oxidase-modulates-litter-size-by-regulating-mucin1-in-the-uterus-of-mice
#4
Keiichi Hiramoto, Yurika Yamate, Eisuke F Sato
Active oxygen derived from gp91phox is critical for gestation. However, no reports have evaluated the relationship between reactive oxygen species (ROS) and the number of births in a given pregnancy. In this study, we examined the influence of ROS produced by gp91phox activity on the number of births using C57BL/6j (control) and gp91phox-knockout (gp91phox(-/-)) mice. The number of births in gp91phox(-/-) mice was found to be lower than that in control mice. We observed sequential increases in gp91phox, ROS, nucleotide-binding domain, leucine-rich-containing family, pyrin domain-containing-3 (NLRP3), caspase-1, and interleukin-18 (IL-18), followed by increased expression of mucin1 (MUC1), in control mice...
April 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28293932/effect-of-tio%C3%A2-nanoparticles-on-inflammasome-mediated-airway-inflammation-and-responsiveness
#5
Byeong Gon Kim, Pureun Haneul Lee, Sun Hye Lee, Moo Kyun Park, An Soo Jang
PURPOSE: Nanoparticles (NPs) may cause cell and tissue damage, leading to local and systemic inflammatory responses and adverse effects on health due to the inhalation of particulate matter. The inflammasome is a major regulator of inflammation through its activation of pro-caspase-1, which cleaves pro-interleukin-1β (pro-IL-1β) into its mature form and may induce acute and chronic immune responses to NPs. However, little is known about the response of the inflammasome to NP exposure via the airways in asthma...
May 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28289409/mitochondrial-dna-activates-the-nlrp3-inflammasome-and-predisposes-to-type-1-diabetes-in-murine-model
#6
Daniela Carlos, Frederico R C Costa, Camila A Pereira, Fernanda A Rocha, Juliana N U Yaochite, Gabriela G Oliveira, Fernando S Carneiro, Rita C Tostes, Simone G Ramos, Dario S Zamboni, Niels O S Camara, Bernhard Ryffel, João S Silva
Although a correlation between polymorphisms of NOD-like receptor family-pyrin domain containing 3 (NLRP3) and predisposition to type 1 diabetes (T1D) has been identified, the potential function and activation of the NLRP3 inflammasome in T1D have not been clarified. The present study shows that non-obese diabetic mice exhibited increased NLRP3, and pro-IL-1β gene expression in pancreatic lymph nodes (PLNs). Similar increases in gene expression of NLRP3, apoptosis associated speck like protein (ASC) and pro-IL-1β were induced by multiple low doses of streptozotocin (STZ) in C57BL/6 mice...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28282788/berberine-inhibits-palmitate-induced-nlrp3-inflammasome-activation-by-triggering-autophagy-in-macrophages-a-new-mechanism-linking-berberine-to-insulin-resistance-improvement
#7
Hang Zhou, Lili Feng, Fang Xu, Yi Sun, Yuxiang Ma, Xiong Zhang, Hailiang Liu, Ge Xu, Xuefeng Wu, Yan Shen, Yang Sun, Xudong Wu, Qiang Xu
NLRP3 (Nod-like receptor family pyrin domain containing 3) inflammasome has been reported to contribute to obesity-induced inflammation and insulin resistance. However, there are few drugs targeting NLRP3 inflammasome for the treatment of insulin resistance. In the present study, we showed that berberine (BBR) significantly suppressed saturated fatty acid palmitate (PA)-induced NLRP3 inflammasome activation and interleukin-1β (IL-1β) release in macrophages, which was one of the most important mediators in the insulin sensitivity of adipose tissue...
March 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28273882/inhibition-of-nlrp3-inflammasome-pathway-by-butyrate-improves-corneal-wound-healing-in-corneal-alkali-burn
#8
Fang Bian, Yangyan Xiao, Mahira Zaheer, Eugene A Volpe, Stephen C Pflugfelder, De-Quan Li, Cintia S de Paiva
Epithelial cells are involved in the regulation of innate and adaptive immunity in response to different stresses. The purpose of this study was to investigate if alkali-injured corneal epithelia activate innate immunity through the nucleotide-binding oligomerization domain-containing protein (NOD)-like receptor family pyrin domain containing 3 (NLRP3) inflammasome pathway. A unilateral alkali burn (AB) was created in the central cornea of C57BL/6 mice. Mice received either no topical treatment or topical treatment with sodium butyrate (NaB), β-hydroxybutyric acid (HBA), dexamethasone (Dex), or vehicle (balanced salt solution, BSS) quater in die (QID) for two or five days (d)...
March 5, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28271611/nlrp3-inflammasome-activation-is-associated-with-proliferative-diabetic-retinopathy
#9
Sirpa Loukovaara, Niina Piippo, Kati Kinnunen, Maria Hytti, Kai Kaarniranta, Anu Kauppinen
PURPOSE: Innate immunity and dysregulation of inflammatory processes play a role in vascular diseases like atherosclerosis or diabetes. Nucleotide-binding domain and Leucine-rich repeat Receptor containing a Pyrin domain 3 (NLRP3) inflammasomes are pro-inflammatory signalling complexes that were found in 2002. In addition to pathogens and other extracellular threats, they can be activated by various endogenous danger signals. The purpose of this study was to find out whether NLRP3 activation occurs in patients with sight-threatening forms of diabetic retinopathy (DR)...
March 8, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28266737/epidermal-keratinocytes-sense-dsrna-via-the-nlrp3-inflammasome-mediating-interleukin-il-1%C3%AE-and-il-18-release
#10
Xiuju Dai, Mikiko Tohyama, Masamoto Murakami, Koji Sayama
Skin epidermis, in addition to its barrier function, is able to actively sense harmful pathogens using pattern recognition receptors. In immune cells, the nucleotide-binding oligomerization domain, leucine-rich repeat, pyrin domain containing 3 (NLRP3) inflammasome can mediate innate immunity against viral infection via a mechanism involving viral dsRNA recognition. Epidermal keratinocytes express NLRP3 inflammasome, which can sense contact sensitizers and mite allergens, leading to pro-interleukin (IL)-1β and pro-IL-18 cleavage into their active forms...
March 7, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28263786/nlrp3-inflammasome-driven-pathways-in-depression-clinical-and-preclinical-findings
#11
REVIEW
Fernanda N Kaufmann, Ana Paula Costa, Gabriele Ghisleni, Alexandre P Diaz, Ana Lúcia S Rodrigues, Hugo Peluffo, Manuella P Kaster
Over the past three decades, an intricate interaction between immune activation, release of pro-inflammatory cytokines and changes in brain circuits related to mood and behavior has been described. Despite extensive efforts, questions regarding when inflammation becomes detrimental or how we can target the immune system to develop new therapeutic strategies for the treatment of psychiatric disorders remain unresolved. In this context, novel aspects of the neuroinflammatory process activated in response to stressful challenges have recently been documented in major depressive disorder (MDD)...
March 2, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28253220/fat-mass-and-obesity-associated-protein-attenuates-lipid-accumulation-in-macrophage-foam-cells-and-alleviates-atherosclerosis-in-apolipoprotein-e-deficient-mice
#12
Chunfen Mo, Ming Yang, Xiaojuan Han, Junhong Li, Guangping Gao, Haoran Tai, Ning Huang, Hengyi Xiao
OBJECTIVE: Genome-wide association studies have linked variants of fat mass and obesity-associated protein (FTO) to obesity. However, the molecular function of FTO remains unclear. In this study, we sought to investigate the potential effects of FTO in modulating cholesterol deposition in macrophage foam cells, as well as whether FTO exerts antiatherosclerotic properties in apolipoprotein E-deficient mice. METHOD AND RESULTS: We transfected RAW264.7 cells with plasmids encoding a wild-type or mutant FTO gene (I367F)...
April 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28247334/the-nlrp3-inflammasome-is-involved-in-the-pathogenesis-of-parkinson-s-disease-in-rats
#13
Zhijuan Mao, Chanchan Liu, Suqiong Ji, Qingmei Yang, Hongxiang Ye, Haiyan Han, Zheng Xue
The etiology and pathogenesis of Parkinson's disease (PD) are complicated and have not been fully elucidated, but an important association has been identified between inflammation and PD. In this study, we investigated the role of the nucleotide-binding oligomerization domain, leucine rich repeat and pyrin domain-containing (NLRP) 3 inflammasome, consisting of NLRP3, caspase-1 and cytokines of the IL-1 family, in lipopolysaccharide (LPS)-induced and 6-hydroxydopamine (6-OHDA)-induced PD rats. Microinjection of different doses of caspase-1 inhibitor (Ac-YVAD-CMK, 300 or 1200 ng/rat) was performed for seven consecutive days...
February 28, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28245768/therapeutic-targeting-of-nlrp3-inflammasomes-by-natural-products-and-pharmaceuticals-a-novel-mechanistic-approach-for-inflammatory-diseases
#14
Sadaf Jahan, Dipak Kumar, Swati Chaturvedi, Mamunur Rashid, Muhammad Wahajuddin, Yasir Akhtar Khan, Sameer N Goyal, C R Patil, Rajesh Mohanraj, Sandeep Subramanya, Shreesh Ojha
Inflammasomes are multiprotein complexes having nucleotide-binding domain and leucine-rich repeat consisting members along with pyrin and HIN domain family. An inflammasome mainly consists of cytoplasmic sensor molecule such as NLRP3, the adaptor apoptosis-associated speck-like protein containing caspase recruitment domain) protein along with effector procaspase-1. The inflammasome regulates caspase-1 activation, resulting in secretion of interleukin-1β and interleukin-18. The inflammasome activation is linked with infection, stress, or other immunological signals involved in inflammation...
February 27, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28245087/hepatic-nucleotide-binding-oligomerization-domain-like-receptors-pyrin-domain-containing-3-inflammasomes-are-associated-with-the-histologic-severity-of-nonalcoholic-fatty-liver-disease
#15
Hironori Mitsuyoshi, Kohichiroh Yasui, Tasuku Hara, Hiroyoshi Taketani, Hiroshi Ishiba, Akira Okajima, Yuya Seko, Atsushi Umemura, Taichiro Nishikawa, Kanji Yamaguchi, Michihisa Moriguchi, Masahito Minami, Yoshito Itoh
AIM: To examine the role of nucleotide binding oligomerization domain (NOD)-like receptor family pyrin domain-containing 3 (NLRP3) inflammasomes in the development of nonalcoholic fatty liver disease (NAFLD). METHODS: Levels of mRNAs encoding NLRP3, apoptosis-associated speck-like protein containing a caspase recruitment domain (CARD) (ASC), procaspase-1, interleukin (IL)-1β, and IL-18 were quantified by RT-PCR in 91 liver samples and 37 blood samples from biopsy-proven patients with NAFLD...
February 28, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28229991/a-novel-mutation-in-the-pyrin-domain-of-the-nod-like-receptor-family-pyrin-domain-containing-protein-3-in-muckle-wells-syndrome
#16
Jian Hu, Yun Zhu, Jian-Zhong Zhang, Rong-Guang Zhang, Hou-Min Li
BACKGROUND: Cryopyrin-associated periodic syndrome (CAPS) is a group of rare, heterogeneous autoinflammatory disease characterized by interleukin (IL)-1β-mediated systemic inflammation and clinical symptoms involving skin, joints, central nervous system, and eyes. It encompasses a spectrum of three clinically overlapping autoinflammatory syndromes including familial cold autoinflammatory syndrome, Muckle-Wells syndrome (MWS), and neonatal-onset multisystem inflammatory disease. CAPS is associated with gain-of-function missense mutations in NOD-like receptor family pyrin domain-containing protein 3 (NLRP3), the gene encoding NLRP3...
March 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28215743/a-nlrc3-like-gene-from-blunt-snout-bream-megalobrama-amblycephala-molecular-characterization-expression-and-association-with-resistance-to-aeromonas-hydrophila-infection
#17
Fengjuan Zhou, Qifeng Zhan, Zhujin Ding, Lina Su, Jun Fan, Lei Cui, Nan Chen, Weimin Wang, Hong Liu
NLRC (the nucleotide-oligomerization domain (NOD)-like receptor subfamily C) consists of teleost-specific NLRs (NOD-like receptors) and plays pivotal roles in microbial recognition and regulation of innate immune response. In this study, we cloned and characterized a NLRC3-like gene (MamNLRC3-like) from blunt snout bream (Megalobrama amblycephala) by using the quantitative real-time PCR method, and analyzed the correlation between its polymorphisms and resistance to Aeromonas hydrophila infection. The full length cDNA of MamNLRC3-like was 2863 bp, with a 5'-UTR of 169 bp, ORF of 2301 bp and 3'-UTR of 393 bp, encoding 766 amino acid residues...
February 20, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28213267/ferulic-acid-inhibits-neuro-inflammation-in-mice-exposed-to-chronic-unpredictable-mild-stress
#18
Ya-Min Liu, Ji-Duo Shen, Li-Ping Xu, Han-Bing Li, Yu-Cheng Li, Li-Tao Yi
Ferulic acid is a hydroxycinnamic acid that widely presents in plant cell wall components. It has been demonstrated that ferulic acid can attenuate depressive-like behaviors in both forced swimming test and tail suspension test. Considering that depression is an inflammatory related mental disease, our present study was aimed to investigate the role of ferulic acid in the regulation of microglia activation, pro-inflammatory cytokines, nuclear factor kappa B (NF-κB) and nucleotide binding and oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome in mice exposed to chronic unpredictable mild stress (CUMS)...
February 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28205387/fructose-down-regulates-mir-330-to-induce-renal-inflammatory-response-and-insulin-signaling-impairment-attenuation-by-morin
#19
Ting-Ting Gu, Lin Song, Tian-Yu Chen, Xin Wang, Xiao-Juan Zhao, Xiao-Qin Ding, Yan-Zi Yang, Ying Pan, Dong-Mei Zhang, Ling-Dong Kong
SCOPE: Fructose induces insulin resistance with kidney inflammation and injury. MicroRNAs (miRNAs) are emerged as key regulators of insulin signaling. Morin has insulin-mimetic effect with the improvement of insulin resistance and kidney injury. This study investigated the protective mechanisms of morin against fructose-induced kidney injury, with particular focus on miR-330 expression change, inflammatory response and insulin signaling impairment. METHODS AND RESULTS: miR-330, sphingosine kinase 1 (SphK1)/sphingosine-1-phosphate (S1P)/S1P receptor (S1PR)1/3 signaling, NF-κB/NOD-like receptor family, pyrin domain containing 3 (NLRP3) inflammasome and insulin signaling were detected in kidney cortex of fructose-fed rats and fructose-exposed HK-2 cells, respectively...
February 16, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28191008/the-nlrp3-and-pyrin-inflammasomes-implications-in-the-pathophysiology-of-autoinflammatory-diseases
#20
REVIEW
Carlos de Torre-Minguela, Pablo Mesa Del Castillo, Pablo Pelegrín
Inflammasomes are multiprotein complexes that critically control different aspects of innate and adaptive immunity. Among them we could highlight the release of pro-inflammatory cytokines that induce and maintain the inflammatory response. Usually, inflammasomes result from oligomerization of a nucleotide-binding domain-like receptor (NLR) after sensing different pathogenic or endogenous sterile dangerous signals; however, other proteins such as absent in melanoma 2, retinoic acid-inducible gene I, or pyrin could also form inflammasome platforms...
2017: Frontiers in Immunology
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