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https://www.readbyqxmd.com/read/29146733/effects-of-chronically-increased-vegf-a-on-the-aging-heart
#1
Alexander G Marneros
Whether approaches to chronically increase VEGF-A in the heart may have beneficial effects and prevent the development of heart failure, in part by improving cardiac perfusion, or whether this increase could have detrimental effects on cardiac performance in the aging heart, has not been tested yet. In this study, a genetic mouse model with a chronic increase in VEGF-A in the heart is shown to have increased cardiac angiogenesis and develop cardiac hypertrophy with enhanced basal cardiac performance with age progression...
November 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29103703/anti-inflammatory-capacity-of-lactobacillus-rhamnosus-gg-in-monophasic-variant-salmonella-infected-piglets-is-correlated-with-impeding-nlrp6-mediated-host-inflammatory-responses
#2
Jiao Yu, Yao-Hong Zhu, Gui-Yan Yang, Wei Zhang, Dong Zhou, Jin-Hui Su, Jiu-Feng Wang
In this study, we investigated the effect of Lactobacillus rhamnosus GG strain (LGG) in ameliorating enteritis in newly weaned pigs following challenge with a monophasic variant of Salmonella enterica serovar Typhimurium (serotyped as 4,[5],12:i:-), which has been linked to disease in humans and livestocks over the past 10 years. In weaned pigs, S. enterica serovar 4,[5],12:i:- induced the mRNA expression of toll like receptor (TLR) 5 and TLR4, while increasing interleukin (IL)-8 and IL-6 mRNA expression in the jejunum...
October 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/29097227/the-role-of-the-nlrp3-inflammasome-in-regulation-of-antiviral-responses-to-influenza-a-virus-infection
#3
REVIEW
Soroush T Sarvestani, Julie L McAuley
The innate immune system provides the host with both a dynamic barrier to prevent infection and a means to which rapid anti-microbial responses can be mounted. The inflammasome pathway is a critical host early response mechanism that enables detection of pathogens and initiates production of inflammatory cytokines, inducing recruitment of effector cells to the site of infection. The complete mechanism of inflammasome activation requires two signals: an initial priming step upon detection of pathogen, followed by activation of intracellular pattern recognition receptors critical to the formation of the inflammasome complex...
October 31, 2017: Antiviral Research
https://www.readbyqxmd.com/read/29079203/inflammasomes-and-type-2-diabetes-an-updated-systematic-review
#4
REVIEW
Zahra Sepehri, Zohre Kiani, Mahdi Afshari, Farhad Kohan, Azadeh Dalvand, Saeid Ghavami
Type 2 diabetes (T2D) is a metabolic disorder that is accompanied by chronic inflammation. The main mechanisms and molecular signaling of the induction of inflammation in T2D are still unknown. It seems that intracellular sensors that participate in recognition of endogenous damage associated molecular patterns (DAMPs) play key roles in the induction/stimulation of chronic inflammation in T2D. The Nucleotide-binding oligomerization domain, Leucine-rich Repeat and Pyrin domain containing (NLRP) family and accompanying Inflammasomes are important intracellular receptors of inflammatory pathogens and stress signals that elevate caspase-1-mediated release of IL-1β and IL-18...
October 24, 2017: Immunology Letters
https://www.readbyqxmd.com/read/29067455/hyperbaric-oxygen-alleviates-the-activation-of-nlrp%C3%A2-3%C3%A2-inflammasomes-in-traumatic-brain-injury
#5
Huihui Qian, Qinghe Li, Woda Shi
Growing evidence has demonstrated that the nucleotide‑binding oligomerization domain‑like receptor family pyrin domain containing 3 (NLRP‑3) inflammasome‑mediated inflammatory pathways have been involved in the secondary injury of traumatic brain injury (TBI). In the present study, the authors investigated the effects of hyperbaric oxygen (HBO) therapy on the NLRP‑3 inflammasome pathway following TBI. Following the evaluation of motor deficits and brain edema, the therapeutic effects of HBO on interleukin (IL)‑1β and IL‑18 expression were assessed, as well as NLRP‑3 inflammasome activation following TBI...
October 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28950870/per-os-colchicine-administration-in-cholesterol-fed-rabbits-triglycerides-lowering-effects-without-affecting-atherosclerosis-progress
#6
Vaios Vasileios Kaminiotis, George Agrogiannis, Panagiotis Konstantopoulos, Vasiliki Androutsopoulou, Laskarina Maria Korou, Ioannis S Vlachos, Ismene A Dontas, Despina Perrea, Dimitrios C Iliopoulos
BACKGROUND: Atherosclerosis is a chronic inflammatory disease that is promoted, among others, by pro-inflammatory cytokines such as IL-1β and IL-18 produced by NLRP 3 inflammasome. Development of atherosclerotic lesions is also affected by leptin. Furthermore, inflammasome's action is interfered with other inflammatory diseases, like diabetes. On the other hand, colchicine is reported to act as anti-inflammatory agent inhibiting inflammasome's action and stabilizing atherosclerotic lesions...
September 26, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28916717/nlrps-the-subcortical-maternal-complex-and-genomic-imprinting
#7
David Monk, Marta Sanchez-Delgado, Rosemary Fisher
Before activation of the embryonic genome, the oocyte provides many of the RNAs and proteins required for the epigenetic reprogramming and the transition to a totipotent state. Targeted disruption of a subset of oocyte-derived transcripts in mice results in early embryonic lethality and cleavage stage embryonic arrest as highlighted by the members of the Subcortical Maternal Complex (SCMC). Maternal-effect recessive mutations of NLRP7, KHDC3L and NLRP5 in humans are associated with variable reproductive outcomes, biparental hydatidiform moles (BiHM) and widespread multi-locus imprinting disturbances...
September 15, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28878231/dietary-iron-restriction-alleviates-renal-tubulointerstitial-injury-induced-by-protein-overload-in-mice
#8
Yasumasa Ikeda, Yuya Horinouchi, Hirofumi Hamano, Tasuku Hirayama, Seiji Kishi, Yuki Izawa-Ishizawa, Masaki Imanishi, Yoshito Zamami, Kenshi Takechi, Licht Miyamoto, Keisuke Ishizawa, Ken-Ichi Aihara, Hideko Nagasawa, Koichiro Tsuchiya, Toshiaki Tamaki
Increased proteinuria causes tubulointerstitial injury due to inflammation in chronic kidney disease (CKD). Iron restriction exhibits protective effects against renal dysfunction; however, its effects against protein overload-induced tubulointerstitial damage remain unclear. Here, we investigated dietary iron restriction effect on tubulointerstitial damage in mice with protein-overload tubulointerstitial injury. Renal tubulointerstitial injury in animal model was induced by intraperitoneal injection of an overdose of bovine serum albumin (BSA)...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28854426/autophagy-inhibition-contributes-to-ros-producing-nlrp3-dependent-inflammasome-activation-and-cytokine-secretion-in-high-glucose-induced-macrophages
#9
Jiezhi Dai, Xiaotian Zhang, Li Li, Hua Chen, Yimin Chai
BACKGROUND: Type 2 diabetes is a persistent inflammatory response that impairs the healing process. We hypothesized that stimulation with high glucose following a pro-inflammatory signal would lead to autophagy inhibition, reactive oxygen species (ROS) production and eventually to the activation of the Nod-like receptor protein (NLRP) -3. METHODS: Macrophages were isolated from human diabetic wound. We measured the expression of NLRP3, caspase1 and interleukin-1 beta (IL-1β) by western blot and real-time PCR, and the surface markers on cells by flow cytometry...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28810330/-the-function-of-nlrp1-in-noninfectious-pulmonary-injury-following-allogeneic-hematopoietic-stem-cell-transplantation
#10
M F Li, W Li, L Ding, Y L Wu, L Liu, W Ju, J L Qiao, K L Xu, L Y Zeng
Objective: To explore the function of NLRP1 in noninfectious pulmonary injury (nonIPI) after allogeneic stem cell transplantation (allo-HSCT) . Methods: In this study, we established the model of allo-HSCT with C57BL/6 and NLRP(-/-) mouse as recipients. Chimera rate was measured by flow cytometry. The HE staining was used to observe the pathology changes in the lungs. NLRP1 and relevant inflammatory proteins were measured by Western Blot. Results: On the day 14 after allo-HSCT, the chimera rate was more than 96%, HSCs of donors had been successfully transplanted into recipients...
July 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28753543/nlrp-genes-and-their-role-in-preeclampsia-and-multi-locus-imprinting-disorders
#11
Lukas Soellner, Kathrin Maria Kopp, Sabine Mütze, Robert Meyer, Matthias Begemann, Sabine Rudnik, Werner Rath, Thomas Eggermann, Klaus Zerres
Preeclampsia (PE) affects 2-5% of all pregnancies. It is a multifactorial disease, but it has been estimated that 35% of the variance in liability of PE are attributable to maternal genetic effects and 20% to fetal genetic effects. PE has also been reported in women delivering children with Beckwith-Wiedemann syndrome (BWS, OMIM 130650), a disorder associated with aberrant methylation at genomically imprinted loci. Among others, members of the NLRP gene family are involved in the etiology of imprinting defects...
July 28, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28740109/hypoxia-ameliorates-intestinal-inflammation-through-nlrp3-mtor-downregulation-and-autophagy-activation
#12
Jesus Cosin-Roger, Simona Simmen, Hassan Melhem, Kirstin Atrott, Isabelle Frey-Wagner, Martin Hausmann, Cheryl de Vallière, Marianne R Spalinger, Patrick Spielmann, Roland H Wenger, Jonas Zeitz, Stephan R Vavricka, Gerhard Rogler, Pedro A Ruiz
Hypoxia regulates autophagy and nucleotide-binding oligomerization domain receptor, pyrin domain containing (NLRP)3, two innate immune mechanisms linked by mutual regulation and associated to IBD. Here we show that hypoxia ameliorates inflammation during the development of colitis by modulating autophagy and mammalian target of rapamycin (mTOR)/NLRP3 pathway. Hypoxia significantly reduces tumor necrosis factor α, interleukin (IL)-6 and NLRP3 expression, and increases the turnover of the autophagy protein p62 in colon biopsies of Crohn's disease patients, and in samples from dextran sulfate sodium-treated mice and Il-10 (-/-) mice...
July 24, 2017: Nature Communications
https://www.readbyqxmd.com/read/28705721/characterization-of-nlrp3-like-gene-from-apostichopus-japonicus-provides-new-evidence-on-inflammation-response-in-invertebrates
#13
Zhimeng Lv, Zhixin Wei, Zhen Zhang, Chenghua Li, Yina Shao, Weiwei Zhang, Xuelin Zhao, Ye Li, Xuemei Duan, Jinbo Xiong
Inflammatory/defensive response after pathogen invasion is considered a local defense reaction in vertebrates. Inflammation response in Apostichopus japonicus was hardly determined due to scarce information available for nucleotide binding domain-like receptor family, pyrin domain-containing (NLRP) family. In the present study, invertebrate NLRP homologue was identified from A. japonicus (designated as AjNLRP3-like) by rapid amplification of cDNA ends. Full-length cDNA of AjNLRP3-like measured 2970 bp with 2265 bp open reading frame encoding a 754-amino acid (aa) residue protein...
July 10, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28700181/-hyperuricemia-and-gene-mutations-a-case-report
#14
Fabio Tattoli, Daniela Falconi, Ornella De Prisco, Gherzi Maurizio, Federico Marazzi, Marita Marengo, Ilaria Serra, Michela Tamagnone, Luca Cordero di Montezemolo, Barbara Pasini, Marco Formica
Hyperuricemia is frequently found in nephrology. The case presented may be useful to clarify some pathogenetic aspects. It is a patient of 18 years, hyperuricaemic. Non-consanguineous parents, hyperuricemia in the paternal line, not neuropsychiatric disorders in the family. Delay in neuromotor acquisitions, average intellectual disabilities, anxiety disorder, obsessive-compulsive personality traits. Normal renal function and renal ultrasound. Evidence of hyperuricemia in 2015. Never gouty episodes and / or lithiasis, initiated allopurinol 100 mg on alternate days, with no side effects, urea in the control range, slightly below normal uricuria...
June 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28605710/chronic-dexamethasone-treatment-results-in-hippocampal-neurons-injury-due-to-activate-nlrp1-inflammasome-in-vitro
#15
Biqiong Zhang, Yaodong Zhang, Tanzhen Xu, Yanyan Yin, Rongrong Huang, Yuchan Wang, Junyan Zhang, Dake Huang, Weizu Li
Neuroinflammation mediated by NLRP-1 inflammasome plays an important role in the pathogenesis of neurodegeneration diseases such as Alzheimer's disease (AD). Chronic glucocorticoids (GCs) exposure has deleterious effect on the structure and function of neurons and was found to be correlated with development and progression of AD. We hypothesize that chronic glucocorticoids may down-regulate the expression of glucocorticoids receptor (GR) and activate NLRP-1 inflammasome in hippocampal neurons, which may promote neuroinflammation and induce neuronal injury...
June 9, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28561018/maternal-heterozygous-nlrp7-variant-results-in-recurrent-reproductive-failure-and-imprinting-disturbances-in-the-offspring
#16
Lukas Soellner, Matthias Begemann, Franziska Degenhardt, Annegret Geipel, Thomas Eggermann, Elisabeth Mangold
It has been shown previously that homozygous and compound-heterozygous variants affecting protein function in the human NLRP genes impact reproduction and/or fetal imprinting patterns. These variants represent so-called 'maternal effect mutations', that is, although female variant carriers are healthy, they are at risk of reproductive failure, and their offspring may develop aberrant methylation and imprinting disorders. In contrast, the relevance to reproductive failure of maternal heterozygous NLRP7 variants remains unclear...
August 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28403789/metaflammation-tissue-specific-alterations-of-the-nlrp3-inflammasome-platform
#17
Raffaella Mastrocola, Manuela Aragno, Giuseppe Alloatti, Massimo Collino, Claudia Penna, Pasquale Pagliaro
In the last decades, the extension of life expectancy and the increased consumption of foods rich in saturated fats and added sugars have exposed the general population to emerging health problems. The prevalence of metabolic syndrome (MS), composed of a cluster of factors as obesity, dyslipidemia, hyperglycemia, and hypertension, is rapidly increasing in industrialized and developing countries leading to precocious onset of age-related diseases. Indeed, oxidative stress, accumulation of advanced glycation endproducts, and a chronic low-grade inflammation are common features of MS and physiological ageing...
April 7, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28247334/the-nlrp3-inflammasome-is-involved-in-the-pathogenesis-of-parkinson-s-disease-in-rats
#18
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...
April 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28178176/nlrp12-inflammasome-expression-in-the-rat-brain-in-response-to-lps-during-morphine-tolerance
#19
Sulie L Chang, Wenfei Huang, Xin Mao, Sabroni Sarkar
Morphine, an effective but addictive analgesic, can profoundly affect the inflammatory response to pathogens, and long-term use can result in morphine tolerance. Inflammasomes are protein complexes involved in the inflammatory response. The nucleotide-binding oligomerization domain-like receptor (NLR) Family Pyrin Domain Containing (NLRP) 12 (NLRP12) inflammasome has been reported to have anti-inflammatory activity. In this study, we examined the expression of NLRP12 inflammasome related genes in the adult F344 rat brain in response to the bacterial endotoxin lipopolysaccharide (LPS) in the presence and absence of morphine tolerance...
February 6, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28153732/zika-virus-induces-inflammasome-activation-in-the-glial-cell-line-u87-mg
#20
Paola Maura Tricarico, Ilaria Caracciolo, Sergio Crovella, Pierlanfranco D'Agaro
In the last years, neurological complications related to Zika virus (ZIKV) infection have emerged as an important threat to public health worldwide. ZIKV infection has been associated to neurological disorders such as congenital microcephaly in newborns and Guillain-Barré syndrome, myelopathy and encephalitis in adults. ZIKV is characterized by neurotropism and neurovirulence. Several studies have identified microglial nodules, gliosis, neuronal and glial cells degeneration and necrosis in the brain of ZIKV infected infants, suggesting that ZIKV could play a role in these neurological disorders through neuroinflammation and microglial activation...
October 28, 2017: Biochemical and Biophysical Research Communications
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