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https://www.readbyqxmd.com/read/28721163/additive-effects-of-atorvastatin-combined-with-sitagliptin-on-rats-with-myocardial-infarction-a-pilot-study
#1
Xiao Ke, Bin Ke, Xing Wang, Shaoyun Wu, Rongfeng Yang, Chengheng Hu
INTRODUCTION: Atorvastatin and sitagliptin are able to exert cardio-protective effects. However, whether atorvastatin plus sitagliptin could confer additive benefits for rats with myocardial infarction (MI) is unknown. MATERIAL AND METHODS: Forty rats with MI were produced and 37 surviving rats were randomly divided into atorvastatin (10 mg/kg daily, n = 9), sitagliptin (10 mg/kg daily, n = 9), combined (10 mg/kg daily atorvastatin plus 10 mg/kg daily sitagliptin, n = 9), and control groups (3 ml normal saline daily, n = 10)...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28720397/cardioprotective-effect-of-nesfatin-1-against-isoproterenol-induced-myocardial-infarction-in-rats-role-of-the-akt-gsk-3%C3%AE-pathway
#2
Arda Tasatargil, Nilay Kuscu, Selvinaz Dalaklioglu, Dileyra Adiguzel, Ciler Celik-Ozenci, Sebahat Ozdem, Ayse Barutcigil, Sadi Ozdem
The present study was designed to evaluate the cardioprotective effects of nesfatin-1, a novel peptide with anorexigenic properties, in rats with isoproterenol (ISO)-induced myocardial infarction (MI), and to further investigate the role of Akt/GSK-3β signaling pathway in the protective effect of nesfatin-1. To induce MI, ISO was subcutaneously injected into the rats for two consecutive days at a dosage of 85mg/kg/day. ISO-induced myocardial damage was indicated by elevated levels of cardiac specific troponin-T, enhanced myocardial expression of proinflammatory cytokines (interleukin-1β, interleukin-6 and tumor necrosis factor-α), and increased number of cells with apoptotic and necrotic appearance in the myocardial tissue...
July 15, 2017: Peptides
https://www.readbyqxmd.com/read/28717852/elevated-s100a8-protein-expression-in-breast-cancer-cells-and-breast-tumor-stroma-is-prognostic-of-poor-disease-outcome
#3
P Miller, K M Kidwell, D Thomas, M Sabel, J M Rae, D F Hayes, B I Hudson, D El-Ashry, M E Lippman
PURPOSE: Elevated S100A8 expression has been observed in cancers of the bladder, esophagus, colon, ovary, and breast. S100A8 is expressed by breast cancer cells as well as by infiltrating immune and myeloid cells. Here we investigate the association of elevated S100A8 protein expression in breast cancer cells and in breast tumor stroma with survival outcomes in a cohort of breast cancer patients. PATIENTS AND METHODS: Tissue microarrays (TMA) were constructed from breast cancer specimens from 417 patients with stage I-III breast cancer treated at the University of Michigan Comprehensive Cancer Center between 2004 and 2006...
July 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28687535/endothelial-nf-%C3%AE%C2%BAb-blockade-abrogates-anca-induced-gn
#4
Mira Choi, Adrian Schreiber, Claudia Eulenberg-Gustavus, Claus Scheidereit, Jan Kamps, Ralph Kettritz
ANCA-associated vasculitis (AAV) is a highly inflammatory condition in which ANCA-activated neutrophils interact with the endothelium, resulting in necrotizing vasculitis. We tested the hypothesis that endothelial NF-κB mediates necrotizing crescentic GN (NCGN) and provides a specific treatment target. Reanalysis of kidneys from previously examined murine NCGN disease models revealed NF-κB activation in affected kidneys, mostly as a p50/p65 heterodimer, and increased renal expression of NF-κB-dependent tumor necrosis factor α (TNF-α)...
July 7, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28673381/biomarkers-of-necrotising-soft-tissue-infections-aspects-of-the-innate-immune-response
#5
Marco Bo Hansen
Necrotising soft tissue infection (NSTI) is a life-threatening and rapidly progressing bacterial infection involving one or more layers of the soft tissue compartments causing necrosis. The amputation and mortality rates remain high despite increased focus on the patients. Timely treatment, including surgical intervention, reduces the risk of severe disability and death. However, the lack of pathognomonic signs impedes early diagnosis and treatment. Moreover, the rarity of the disease makes it difficult to conduct large prospective studies, thus prospective research is almost non-existent in this group of patients...
July 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28658176/circulating-fibrocytes-are-involved-in-inflammation-and-leukocyte-trafficking-in-neonates-with-necrotizing-enterocolitis
#6
Ye Liu, Shang Qingjuan, Zongwei Gao, Chun Deng, Yan Wang, Chunbao Guo
Fibrocytes, ahematopoietic stem cell source of fibroblasts/myofibroblasts, were previously implicated to infiltrate into the intestinal and enhance inflammation.The aims of the present study were to elucidate the role of fibrocytes in necrotizing enterocolitis (NEC) pathogenesis and to explore the mechanisms by which fibrocytes contributed to the inflammatory responses.We investigated circulating and intestinal local fibrocytes from 32 patients with NEC, 8 patients with noninflammatory conditions of the gastrointestinal tract and 12 normal subjects...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28655913/novel-small-peptides-derived-from-vegf125-136-potential-drugs-for-radioactive-diagnosis-and-therapy-in-a549-tumor-bearing-nude-mice
#7
Xiang Zhang, Shibin Feng, Jie Liu, Qianwei Li, Lei Zheng, Laiping Xie, Hongmin Li, Dingde Huang
Vascular endothelial growth factor receptor (VEGFR) is a critical factor in tumor angiogenesis and has been considered a potential target for receptor-mediated radionuclide imaging and therapy. In this study, we identified two peptides (QKRKRKKSRKKH and RKRKRKKSRYIVLS) derived from VEGF125-136 that displayed high binding affinities to VEGFR and strong inhibition of A549 cell growth. (99m)Tc- and (188)Re-labeled peptides displayed high labeling efficiency and favorable stability in saline and human plasma. At the cellular level, the radiolabeled peptides could bind with A549 cells and be internalized via the VEGFR-1-mediated pathway...
June 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28596375/nlrp3-inflammasome-inhibition-by-mcc950-reduces-atherosclerotic-lesion-development-in-apolipoprotein-e-deficient-mice
#8
Thomas van der Heijden, Eva Kritikou, Wouter Venema, Janine van Duijn, Peter J van Santbrink, Bram Slütter, Amanda C Foks, Ilze Bot, Johan Kuiper
OBJECTIVE: Inflammasomes are multiprotein complexes, and their activation has been associated with cardiovascular disease. Inflammasome activation leads to secretion of caspase-1 by innate immune cells, resulting in the activation of interleukin-1β. Recently, a potent and selective inhibitor of the NLRP3 inflammasome, MCC950, was described. In this study, we investigated the effect of MCC950 on atherosclerotic lesion development in apoE(-/-) mice. APPROACH AND RESULTS: First, we determined the efficacy of MCC950 in vitro...
June 8, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28592284/biogenic-selenium-nanoparticles-induce-ros-mediated-necroptosis-in-pc-3-cancer-cells-through-tnf-activation
#9
Praveen Sonkusre, Swaranjit Singh Cameotra
BACKGROUND: Selenium is well documented to inhibit cancer at higher doses; however, the mechanism behind this inhibition varies widely depending on the cell type and selenium species. Previously, we have demonstrated that Bacillus licheniformis JS2 derived biogenic selenium nanoparticles (SeNPs) induce non-apoptotic cell death in prostate adenocarcinoma cell line, PC-3, at a minimal concentration of 2 µg Se/ml, without causing toxicity to the primary cells. However, the mechanism behind its anticancer activity was elusive...
June 7, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/28590925/suppression-of-hypoxia-induced-excessive-angiogenesis-by-metformin-via-elevating-tumor-blood-perfusion
#10
Ji-Chang Wang, Guang-Yue Li, Ping-Ping Li, Xin Sun, Wei-Ming Li, Yan Li, Shao-Ying Lu, Pei-Jun Liu
The anti-diabetic metformin has been demonstrated to be effective in suppression of tumor progression via multiple mechanisms, in which angiogenic inhibition is involved. Hypoxia is a common feather of malignant tumor and promotes angiogenesis via induction of pro-angiogenic factors. However, the effect of metformin on tumor hypoxia and the association with angiogenic inhibition are still unclear. In the current study, we investigated the effects of metformin on both tumor blood perfusion and hypoxia-induced excessive angiogenesis...
May 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28589695/effect-of-orally-administered-zinc-oxide-nanoparticles-on-albino-rat-thymus-and-spleen
#11
Marwa A Abass, Sally A Selim, Assmaa O Selim, Amal S El-Shal, Zienab A Gouda
This study aimed to evaluate the toxicological effects of oral intake of Zinc oxide nanoparticles (ZnO NPs) on the structure of thymus and spleen. Twenty-four young male Wistar albino rats were assigned into two groups: group I (control) and group II (ZnO NPs treated group).The thymus and spleen were analyzed biochemically, histopathologically and immunohistochemically. After ZnO NPs intake, hematologically, the total leucocytic count was significantly increased while the RBCs and platelets counts and Hb % were significantly decreased...
June 6, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28586010/resveratrol-protects-against-l-arginine-induced-acute-necrotizing-pancreatitis-in-mice-by-enhancing-sirt1-mediated-deacetylation-of-p53-and-heat-shock-factor-1
#12
Nian Wang, Fen Zhang, Liu Yang, Jiang Zou, Hao Wang, Ke Liu, Meidong Liu, Huali Zhang, Xianzhong Xiao, Kangkai Wang
Acute necrotizing pancreatitis (ANP) is a common severe critical illness with a high mortality rate. Resveratrol, a polyphenol compound derived from various plants such as grape skin, peanut, berry and veratrum, exhibits multiple biological activities, especially potent anti‑inflammatory activity, but its effect on ANP has not yet been fully elucidated. The present study aimed to investigate the effects of resveratrol on L-arginine-induced ANP and the possible mechanisms. A mouse model of ANP was established by 2 hourly intraperitoneal injections of 8% L-arginine (4 g/kg)...
June 6, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28562690/initial-computed-tomography-imaging-details-during-first-line-systemic-therapy-is-of-significant-prognostic-value-in-patients-with-na%C3%A3-ve-unresectable-metastatic-renal-cell-carcinoma
#13
Sung Han Kim, Weon Seo Park, Sun Ho Kim, Ho Kyung Seo, Jae Young Joung, Kang Hyun Lee, Jinsoo Chung
PURPOSE: We aimed to determine the prognostic significance of computed tomography imaging parameters of unresectable primary renal tumor lesions, obtained at baseline and at first follow-up, on overall survival in naïve, unresectable metastatic renal cell carcinoma patients during first-line systemic therapy. MATERIALS AND METHODS: Clinicopathological parameters of 56 patients treated between 2007 and 2015, including imaging parameters (such as the longest tumor diameter, necrotic area diameter, and attenuation in primary renal tumor lesions on baseline vs...
2017: PloS One
https://www.readbyqxmd.com/read/28544575/analysis-of-physical-characteristics-of-tumor-treating-fields-for-human-glioblastoma
#14
Edwin Lok, Pyay San, Van Hua, Melissa Phung, Eric T Wong
Tumor Treating Fields (TTFields) therapy is an approved treatment that has known clinical efficacy against recurrent and newly diagnosed glioblastoma. However, the distribution of the electric fields and the corresponding pattern of energy deposition in the brain are poorly understood. To evaluate the physical parameters that may influence TTFields, postacquisition MP-RAGE, T1 and T2 MRI sequences from a responder with a right parietal glioblastoma were anatomically segmented and then solved using finite-element method to determine the distribution of the electric fields and rate of energy deposition at the gross tumor volume (GTV) and other intracranial structures...
June 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28539743/hepatoprotective-antihyperlipidemic-and-anti-inflammatory-activity-of-moringa-oleifera-in-diabetic-induced-damage-in-male-wistar-rats
#15
Elizabeth I Omodanisi, Yapo G Aboua, Novel N Chegou, Oluwafemi O Oguntibeju
BACKGROUND: The number of individuals with diabetes is increasing daily, and diabetes is presently estimated to affect about 422 million adults worldwide. Conventional drugs used to treat diabetes are not without severe side effects, accessibility, and affordability. This study elucidates the potential effects of Moringa oleifera (MO) leaves extract to manage and treat diabetes induced in male Wistar rats. MATERIALS AND METHODS: Adult male Wistar rats were randomly divided into four groups (n = 12/group): NC - nondiabetic rats (positive control), MO - nondiabetic-treated rats, DM - diabetic rats (negative control), DM + MO - diabetic-treated rats...
April 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/28522995/dysbiosis-of-intestinal-microbiota-and-decreased-antimicrobial-peptide-level-in-paneth-cells-during-hypertriglyceridemia-related-acute-necrotizing-pancreatitis-in-rats
#16
Chunlan Huang, Jing Chen, Jingjing Wang, Hui Zhou, Yingying Lu, Lihong Lou, Junyuan Zheng, Ling Tian, Xingpeng Wang, Zhongwei Cao, Yue Zeng
Hypertriglyceridemia (HTG) aggravates the course of acute pancreatitis (AP). Intestinal barrier dysfunction is implicated in the pathogenesis of AP during which dysbiosis of intestinal microbiota contributes to the dysfunction in intestinal barrier. However, few studies focus on the changes in intestine during HTG-related acute necrotizing pancreatitis (ANP). Here, we investigated the changes in intestinal microbiota and Paneth cell antimicrobial peptides (AMPs) in HTG-related ANP (HANP) in rats. Rats fed a high-fat diet to induce HTG and ANP was induced by retrograde injection of 3...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28458638/oriental-medicine-samhwangsasim-tang-alleviates-experimental-autoimmune-encephalomyelitis-by-suppressing-th1-cell-responses-and-upregulating-treg-cell-responses
#17
Min J Lee, Jong H Choi, Sung J Lee, Ik-Hyun Cho
Oriental medicine Samhwangsasim-tang (SHSST) has traditionally been used in East Asia to treat hypertension and its complications. However, little is known about its potential value regarding the treatment of chronic inflammatory diseases such as multiple sclerosis (MS). In this study, we investigated whether SHSST has a beneficial effect in treating myelin oligodendrocyte glycoprotein-induced experimental autoimmune encephalomyelitis (EAE). Onset-treatment with SHSST was found to alleviate neurological symptoms as well as demyelination and glial activation in the spinal cords from the EAE mice...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28392361/dexmedetomidine-confers-neuroprotection-against-transient-global-cerebral-ischemia-reperfusion-injury-in-rats-by-inhibiting-inflammation-through-inactivation-of-the-tlr-4-nf-%C3%AE%C2%BAb-pathway
#18
Eugene Kim, Hyun-Chang Kim, Seungmi Lee, Ho-Geol Ryu, Yong-Hee Park, Jun Hyun Kim, Young-Jin Lim, Hee-Pyoung Park
Dexmedetomidine (DXM) has anti-inflammatory effects, which is considered an important mechanism of DXM-induced neuroprotection from cerebral ischemia/reperfusion injury. We determined whether the anti-inflammatory effects of DXM are associated with inhibition of the toll-like receptor (TLR)-4/nuclear factor kappa B (NF-κB) pathway in a rat model of transient global cerebral ischemia/reperfusion injury. Fifty rats were randomly assigned to one of five groups (10 rats/group): Group S received no treatment; Group C underwent transient global ischemia (10min); Group D received DXM 30min before ischemia; Group R received resatorvid, a selective TLR-4 antagonist, 30min before ischemia; and Group RD received resatorvid and DXM 30min before ischemia...
April 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28364349/effect-of-blood-biochemical-factors-on-nontraumatic-necrosis-of-the-femoral-head-logistic-regression-analysis
#19
Ying Zhang, Ruibo Sun, Leilei Zhang, Lizhi Feng, Youwen Liu
OBJECTIVE: This case-control study aimed to identify the risk factors of nontraumatic necrosis of the femoral head (NONFH). METHODS: In all, 242 patients with NONFH treated at the hip disease research center of our hospital between March 2012 and October 2015 were included. After excluding 19 patients with tumor or tuberculosis, 223 patients were enrolled. Controls comprised 223 healthy persons selected from our hospital database. Single-factor variance analysis and t test were performed to select the index of statistical significance...
March 31, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28359729/dl-3-n-butylphthalide-induced-neuroprotection-regenerative-repair-functional-recovery-and-psychological-benefits-following-traumatic-brain-injury-in-mice
#20
Yingying Zhao, Jin Hwan Lee, Dongdong Chen, Xiaohuan Gu, Asha Caslin, Jimei Li, Shan Ping Yu, Ling Wei
Previous investigations suggest that DL-3-n-butylphthalide (NBP) is a promising multifaceted drug for the treatment of stroke. It is not clear whether NBP can treat traumatic brain injury (TBI) and what could be the mechanisms of therapeutic benefits. To address these issues, TBI was induced by a controlled cortical impact in adult male mice. NBP (100 mg/kg) or saline was intraperitoneally administered within 5 min after TBI. One day after TBI, apoptotic events including caspase-3/9 activation, cytochrome c release from the mitochondria, and apoptosis-inducing factor (AIF) translocation into the nucleus in the pericontusion region were attenuated in NBP-treated mice compared to TBI-saline controls...
March 28, 2017: Neurochemistry International
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