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https://www.readbyqxmd.com/read/28329136/chronic-resveratrol-treatment-inhibits-mrc5-fibroblast-sasp-related-protumoral-effects-on-melanoma-cells
#1
Beatrice Menicacci, Anna Laurenzana, Anastasia Chillà, Francesca Margheri, Silvia Peppicelli, Elisabetta Tanganelli, Gabriella Fibbi, Lisa Giovannelli, Mario Del Rosso, Alessandra Mocali
Cellular senescence is related to organismal aging and is observed after DNA damaging cancer therapies, that induce tumor-suppressive modifications, but it is characterized by a strong increase in secreted factors, termed the "senescence-associated secretory phenotype" (SASP). Particularly, SASP from stroma senescent fibroblasts creates a cancer-favoring microenvironment, providing targets for anti-cancer interventions. In the present article, chronic treatment (5 weeks) with 5 µM resveratrol has been used to modulate senescence-related protumoral features of MRC5 fibroblasts, reducing SASP-related interleukins IL1α, IL1β, IL6, and IL8; transforming-growth-factor-β (TGFβ); matrix metallo-proteinases MMP3 and MMP2; urokinase plasminogen activator (uPA); receptor proteins uPAR, IL6R, insulin growth factor receptor-1 (IGF-1R), TGFβ-R2, and CXCR4...
January 20, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28326169/circulating-ll37-targets-plasma-extracellular-vesicles-to-immune-cells-and-intensifies-beh%C3%A3-et-s-disease-severity
#2
Tamer Kahraman, Gozde Gucluler, Ismail Simsek, Fuat Cem Yagci, Muzaffer Yildirim, Can Ozen, Ayhan Dinc, Mayda Gursel, Lolai Ikromzoda, Tolga Sutlu, Stephen Gay, Ihsan Gursel
Behçet's disease (BD) activity is characterised by sustained, over-exuberant immune activation, yet the underlying mechanisms leading to active BD state are poorly defined. Herein, we show that the human cathelicidin derived antimicrobial peptide LL37 associates with and directs plasma extracellular vesicles (EV) to immune cells, thereby leading to enhanced immune activation aggravating BD pathology. Notably, disease activity was correlated with elevated levels of circulating LL37 and EV plasma concentration...
2017: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/28326105/paracrine-effects-of-bone-marrow-mononuclear-cells-in-survival-and-cytokine-expression-after-90-partial-hepatectomy
#3
Carlos Oscar Kieling, Carolina Uribe-Cruz, Mónica Luján López, Alessandro Bersch Osvaldt, Themis Reverbel da Silveira, Ursula Matte
Acute liver failure is a complex and fatal disease. Cell-based therapies are a promising alternative therapeutic approach for liver failure due to relatively simple technique and lower cost. The use of semipermeable microcapsules has become an interesting tool for evaluating paracrine effects in vivo. In this study, we aimed to assess the paracrine effects of bone marrow mononuclear cells (BMMC) encapsulated in sodium alginate to treat acute liver failure in an animal model of 90% partial hepatectomy (90% PH)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28320086/antifibrotic-effect-of-diethylcarbamazine-combined-with-hesperidin-against-ethanol-induced-liver-fibrosis-in-rats
#4
Alaa El-Din El-Sayed El-Sisi, Samia Salim Sokar, Abdelhadi Mohamed Shebl, Dina Zakaria Mohamed
Chronic alcohol consumption leads to extracellular matrix hyperplasia and liver fibrosis with a great role of hepatic stellate cell (HSC) activation in this process. The present study was designed to investigate the possible protective effects of diethylcarbamazine (DEC) (50mg/kg, acting as an anti-inflammatory drug, interferes with the arachidonic acid metabolism) when administrated in combination with hesperidin (HDN) (200mg/kg, a flavanone glycoside with potent antioxidant and anti-inflammatory activities) against alcoholic liver fibrosis in wistar rats compared to silymarin (Sil) (100mg/kg)...
March 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28319320/the-endochondral-bone-protein-chm1-sustains-an-undifferentiated-invasive-phenotype-promoting-lung-metastasis-in-ewing-sarcoma
#5
Kristina von Heyking, Julia Calzada-Wack, Stefanie Göllner, Frauke Neff, Oxana Schmidt, Tim Hensel, David Schirmer, Annette Fasan, Irene Esposito, Carsten Müller-Tidow, Poul H Sorensen, Stefan Burdach, Günther H S Richter
Ewing sarcomas (ES) are highly malignant, osteolytic bone or soft tissue tumors, which are characterized by EWS-ETS translocations and early metastasis to lung and bone. In this study, we investigated the role of the BRICHOS chaperone domain-containing endochondral bone protein chondromodulin I (CHM1) in ES pathogenesis. CHM1 is significantly over-expressed in ES, and chromosome immunoprecipitation (ChIP) data demonstrate CHM1 to be directly bound by an EWS-ETS translocation, EWS-FLI1. Using RNA interference we observed that CHM1 promoted chondrogenic differentiation capacity of ES cells but decreased the expression of osteolytic genes such as HIF1A, IL6, JAG1 and VEGF...
March 20, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28318762/gene-expression-profiling-reveals-genes-and-transcription-factors-associated-with-dilated-and-ischemic-cardiomyopathies
#6
Aiqing Qiao, Zhenying Zhao, Hui Zhang, Zhenyu Sun, Xiao Cui
AIMS: Dilated cardiomyopathy (DCM) and ischemic cardiomyopathy (ICM) can cause heart failure, and this study aims to identify genes and transcription factors (TFs) associated with DCM and ICM. METHODS: Gene expression dataset GSE42955 was generated from GEO database, and it contained 12 DCM, 12 ICM, and 5 control samples. Differentially expressed genes (DEGs) were identified between DCM (or ICM) and controls. Gene functions were investigated, and their associations were analyzed using Enrichmentmap plugin in Cytoscape...
December 29, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28318471/adjunctive-n-acetylcysteine-in-depression-exploration-of-interleukin-6-c-reactive-protein-and-brain-derived-neurotrophic-factor
#7
Kyoko Hasebe, Laura Gray, Chiara Bortolasci, Bruna Panizzutti, Mohammadreza Mohebbi, Srisaiyini Kidnapillai, Briana Spolding, Ken Walder, Michael Berk, Gin Malhi, Seetal Dodd, Olivia M Dean
OBJECTIVE: This study aimed to explore effects of adjunctive N-acetylcysteine (NAC) treatment on inflammatory and neurogenesis markers in unipolar depression. METHODS: We embarked on a 12-week clinical trial of NAC (2000 mg/day compared with placebo) as an adjunctive treatment for unipolar depression. A follow-up visit was conducted 4 weeks following the completion of treatment. We collected serum samples at baseline and the end of the treatment phase (week 12) to determine changes in interleukin-6 (IL6), C-reactive protein (CRP) and brain-derived neurotrophic factor (BDNF) following NAC treatment...
March 20, 2017: Acta Neuropsychiatrica
https://www.readbyqxmd.com/read/28317149/association-between-variants-in-genes-involved-in-the-immune-response-and-prostate-cancer-risk-in-men-randomized-to-the-finasteride-arm-in-the-prostate-cancer-prevention-trial
#8
Danyelle A Winchester, Cathee Till, Phyllis J Goodman, Catherine M Tangen, Regina M Santella, Teresa L Johnson-Pais, Robin J Leach, Jianfeng Xu, S Lilly Zheng, Ian M Thompson, M Scott Lucia, Scott M Lippman, Howard L Parnes, William B Isaacs, Angelo M De Marzo, Charles G Drake, Elizabeth A Platz
BACKGROUND: We reported that some, but not all single nucleotide polymorphisms (SNPs) in select immune response genes are associated with prostate cancer, but not individually with the prevalence of intraprostatic inflammation in the Prostate Cancer Prevention Trial (PCPT) placebo arm. Here, we investigated whether these same SNPs are associated with risk of lower- and higher-grade prostate cancer in men randomized to finasteride, and with prevalence of intraprostatic inflammation among controls...
March 20, 2017: Prostate
https://www.readbyqxmd.com/read/28317003/peri-operative-inflammatory-cytokines-in-plasma-of-the-elderly-correlate-in-prospective-study-with-postoperative-changes-in-cognitive-test-scores
#9
R Kline, E Wong, M Haile, S Didehvar, S Farber, A Sacks, E Pirraglia, M J de Leon, A Bekker
Increasingly, postoperative cognitive dysfunction (POCD) is recognized as a complication after surgery in the elderly; but it's etiology remains unclear. Here we examine changes in cytokine levels during both the pre-operative and postoperative period, comparing them with long term variation in cognitive test scores. Forty-one patients aged 65 and older undergoing major surgery with general anesthesia were recruited after written consent in this IRB approved study. Thirty went on to complete this prospective, non-interven-tional and non-randomized study...
August 2016: Int J Anesthesiol Res
https://www.readbyqxmd.com/read/28304248/sustained-release-buprenorphine-improves-postsurgical-clinical-condition-but-does-not-alter-survival-or-cytokine-levels-in-a-murine-model-of-polymicrobial-sepsis
#10
Nicole L Herndon, Sheila Bandyopadhyay, Eldad A Hod, Kevin A Prestia
Cecal ligation and perforation (CLP) is a common technique for studying sepsis in mice. Because of the invasiveness of the procedure and its effects on clinical condition, many animal care and use committees require the use of analgesics with CLP. However, some analgesics have immunomodulatory effects and thus can hinder the overall research outcomes of a project. Here we sought to determine the effects of buprenorphine hydrochloride (Bup HCl) compared with sustained-release buprenorphine (Bup SR) on clinical condition, plasma concentrations of monocyte chemoattractant protein (MCP) 1 and IL6, and overall mortality in a murine CLP model of sepsis...
December 1, 2016: Comparative Medicine
https://www.readbyqxmd.com/read/28299490/molecular-effects-of-fractional-ablative-erbium-yag-laser-treatment-with-multiple-stacked-pulses-on-standardized-human-three-dimensional-organotypic-skin-models
#11
Laurenz Schmitt, P M Amann, Y Marquardt, R Heise, K Czaja, P A Gerber, T Steiner, F Hölzle, Jens Malte Baron
The molecular changes in gene expression following ablative laser treatment of skin lesions, such as atrophic scars and UV-damaged skin, are not completely understood. A standardized in vitro model of human skin, to study the effects of laser treatment on human skin, has been recently developed. Therefore, the aim of the investigation was to examine morphological and molecular changes caused by fractional ablative erbium:YAG laser treatment on an in vitro full-thickness 3D standardized organotypic model of human skin...
March 15, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28296743/association-between-polymorphisms-in-interleukins-and-oral-lichen-planus-a-meta-analysis
#12
Quan Shi, Tong Zhang, Na Huo, Yang Huang, Juan Xu, Hongchen Liu
BACKGROUND: More and more studies have suggested that single-nucleotide polymorphisms (SNPs) in interleukin (IL) genes are correlated with an increased risk of developing oral lichen planus (OLP). However, these results were inconsistent. Therefore, the aim of this meta-analysis is to retrieve and comprehensively analyze all related clinical studies to investigate the association of ILs gene polymorphisms with the OLP risk. METHODS: PubMed, Embase, and the Cochrane Library were searched for eligible studies to evaluate the association between IL polymorphisms and the OLP...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28296000/novel-application-of-localized-nanodelivery-of-anti-il6-protects-organ-transplant-from-ischemia-reperfusion-injuries
#13
Zhabiz Solhjou, Mayuko Uehara, Baharak Bahmani, Omar H Maarouf, Takaharu Ichimura, Craig R Brooks, Wanlong Xu, Mine Yilmaz, Abdala Elkhal, Stefan G Tullius, Indira Guleria, Martina McGrath, Reza Abdi
Ischemia reperfusion injury (IRI) evokes intra-graft inflammatory responses, which markedly augment alloimmune responses against the graft. Understanding the mechanisms underlying these responses is fundamental to develop therapeutic regimens to prevent/ameliorate organ IRI. Here, we demonstrate that IRI results in a marked increase in mitochondrial damage and autophagy in dendritic cells (DC). While autophagy is a survival mechanism for ischemic DC, it also augments their production of IL6. Allograft derived dendritic cells (ADDC) lacking autophagy related gene 5 (Atg5) showed higher death rates post-transplantation...
March 12, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28295446/a-recombinant-cystatin-from-ascaris-lumbricoides-attenuates-inflammation-of-dss-induced-colitis
#14
Sandra Coronado, Luis Barrios, Josefina Zakzuk, Ronald Regino, Velky Ahumada, Luis Franco, Yanet Ocampo, Luis Caraballo
Helminthiasis may ameliorate inflammatory diseases, such as inflammatory bowel disease and asthma. Information about immunomodulators from Ascaris lumbricoides is scarce, but could be important considering the co-evolutionary relationships between helminths and humans. We evaluated the immunomodulatory effects of a recombinant cystatin from A. lumbricoides on an acute model of Dextran Sodium Sulphate (DSS)-induced colitis in mice. From an A. lumbricoides cDNA library we obtained a recombinant cystatin (rAl-CPI)...
March 10, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28292438/maoa-dependent-activation-of-shh-il6-rankl-signaling-network-promotes-prostate-cancer-metastasis-by-engaging-tumor-stromal-cell-interactions
#15
Jason Boyang Wu, Lijuan Yin, Changhong Shi, Qinlong Li, Peng Duan, Jen-Ming Huang, Chunyan Liu, Fubo Wang, Michael Lewis, Yang Wang, Tzu-Ping Lin, Chin-Chen Pan, Edwin M Posadas, Haiyen E Zhau, Leland W K Chung
Metastasis is a predominant cause of death for prostate cancer (PCa) patients; however, the underlying mechanisms are poorly understood. We report that monoamine oxidase A (MAOA) is a clinically and functionally important mediator of PCa bone and visceral metastases, activating paracrine Shh signaling in tumor-stromal interactions. MAOA provides tumor cell growth advantages in the bone microenvironment by stimulating interleukin-6 (IL6) release from osteoblasts, and triggers skeletal colonization by activating osteoclastogenesis through osteoblast production of RANKL and IL6...
March 13, 2017: Cancer Cell
https://www.readbyqxmd.com/read/28291973/activity-of-the-hypothalamic-pituitary-adrenal-axis-and-inflammatory-mediators-in-major-depressive-disorder-with-or-without-metabolic-syndrome
#16
Marko Martinac, Dragan Babić, Milenko Bevanda, Ivan Vasilj, Danijela Bevanda Glibo, Dalibor Karlović, Miro Jakovljević
BACKGROUND: The aim of the present study was to explore the differences in serum CRP, IL-6, TNF-α, ACTH and cortisol among patients with major depressive disorder with or without metabolic syndrome (MS) compared to a healthy control group. SUBJECTS AND METHODS: The MDD study group consisted of 80 patients (mean age of 50.03±9.55 years). The control group was recruited from the hospital personnel and it consisted of 40 examinees (mean age of 47.20±7.99 years)...
March 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28289734/regulatory-mechanisms-of-hsp90
#17
Chrisostomos Prodromou
The ability of Hsp90 to activate a disparate clientele implicates this chaperone in diverse biological processes. To accommodate such varied roles, Hsp90 requires a variety of regulatory mechanisms that are coordinated in order to modulate its activity appropriately. Amongst these, the master-regulator heat shock factor 1 (HSF1) is critically important in upregulating Hsp90 during stress, but is also responsible, through interaction with specific transcription factors (such as STAT1 and Strap/p300) for the integration of a variety of biological signals that ultimately modulate Hsp90 expression...
January 30, 2017: Biochemistry & Molecular Biology Journal
https://www.readbyqxmd.com/read/28286777/effect-of-human-myotubes-derived-media-on-glucose-stimulated-insulin-secretion
#18
Maria L Mizgier, Luis R Cataldo, Juan Gutierrez, José L Santos, Mariana Casas, Paola Llanos, Ariel E Contreras-Ferrat, Cedric Moro, Karim Bouzakri, Jose E Galgani
Fasting to postprandial transition requires a tight adjustment of insulin secretion to its demand, so tissue (e.g., skeletal muscle) glucose supply is assured while hypo-/hyperglycemia are prevented. High muscle glucose disposal after meals is pivotal for adapting to increased glycemia and might drive insulin secretion through muscle-released factors (e.g., myokines). We hypothesized that insulin influences myokine secretion and then increases glucose-stimulated insulin secretion (GSIS). In conditioned media from human myotubes incubated with/without insulin (100 nmol/L) for 24 h, myokines were qualitatively and quantitatively characterized using an antibody-based array and ELISA-based technology, respectively...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28282790/the-anti-diabetic-and-anti-obesity-effect-of-memecylon-umbellatum-extract-in-high-fat-diet-induced-obese-mice
#19
V Sunil, Nitya Shree, M V Venkataranganna, Ramesh R Bhonde, Mala Majumdar
In recent years, obesity and diabetes have become the epidemic mainly due to fast food and lifestyle changes. Several herbs have been claimed to control diabetes and obesity. However, there are a few which control both. Our aim was to evaluate the anti-diabetic and anti-obesity activity of methanolic extract of Memecylon umbellatum (MU) in alleviation of insulin resistance (IR). Diet induced obese (DIO) mice model was developed by feeding the mice on high fat diet (HFD) for 10 weeks resulting in hyperglycemia, obesity and IR...
March 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28281516/-features-of-a-necrotic-and-inflammatory-process-in-different-forms-of-nonalcoholic-fatty-liver-disease
#20
I V Kurbatova, O P Dudanova
AIM: To identify the features of development of a necrotic and inflammatory process in different forms of nonalcoholic fatty liver disease (NAFLD), by comparatively analyzing a full set of clinical and laboratory parameters, including the cytokine status and the expression level of enzyme genes controlling the apoptosis of peripheral leukocytes. SUBJECTS AND METHODS: 86 patients with NAFLD, including 8 (9.3%) with hepatic steatosis (HS), 70 (81.4%) with nonalcoholic steatohepatitis (NASH), 40, 19, and 11 with mild, moderate, and high disease activity, respectively, and 8 (9...
2017: Terapevticheskiĭ Arkhiv
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