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Wang Chengji, Fan Xianjin
OBJECTIVE: To investigate the biological mechanism of the effect of different intensity exercises on diabetic cardiomyopathy. METHODS: 87 male SPF 6-wks old male S-D rats, after 6 weeks high fat diet, diabetic model was established, randomly selected 43 divided into diabetic control group (DCG, n=10), low intensity group (LIG, n=11), moderate intensity group (MIG, n=11), and high-intensity group (HIG, n=11).The rats in LIG were forced to run on a motorized treadmill, the exercise load consisted of running at a speed of 10 meters/min, MIG were running 15 meters/min, HIG were running 20 meters/min, one hour a day for 6 weeks...
March 19, 2018: Endocrine Connections
Takamitsu Masuda, Tomohisa Shoko, Yoshizumi Deguchi
Disseminated intravascular coagulation (DIC) often complicates sepsis, and its early treatment is crucial for improving patient outcomes. Coagulation markers may enable earlier diagnosis of DIC. The purpose of this study was to evaluate whether the risk of DIC onset can be predicted using coagulation markers. Patients who showed symptoms of systemic inflammatory response syndrome ≥2 and the quick Sequential Organ Failure Assessment score ≥2 points were investigated. All blood samples collected from the time of hospital admission to 7 days postadmission were investigated...
January 1, 2018: Clinical and Applied Thrombosis/hemostasis
Zezhao Li, Zhen Hong, Zhiqing Peng, Yongcai Zhao, Rusheng Shao
Diabetic nephropathy (DN) is the major cause of end-stage renal disease in diabetic patients. Zicao, a well-known Chinese traditional medicine, has attracted much attention due to its beneficial effects in various medical fields. In this study, we attempted to investigate the effects and mechanisms of action of acetylshikonin, the main ingredient of Zicao, on renal dysfunction in DN. Our results showed that administration with acetylshikonin not only decreased blood urea nitrogen, urine creatinine and the mean kidney-to-body weight ratio in streptozotocin-induced diabetic mice, but also restored the loss of body weight, whereas the blood glucose was not changed...
March 17, 2018: Human Cell
Luisella Bocchio Chiavetto, Roberta Zanardini, Sarah Tosato, Mariacarla Ventriglia, Clarissa Ferrari, Chiara Bonetto, Antonio Lasalvia, Franco Giubilini, Angelo Fioritti, Francesca Pileggi, Michela Pratelli, Michele Pavanati, Angela Favaro, Giovanni De Girolamo, Giovanni Battista Frisoni, Mirella Ruggeri, Massimo Gennarelli
The molecular underpinnings associated to first episode psychosis (FEP) remains to be elucidated, but compelling evidence supported an association of FEP with blood alterations in biomarkers related to immune system, growth factors and metabolism regulators. Many of these studies have not been already confirmed in larger samples or have not considered the FEP diagnostic subgroups. In order to identify biochemical signatures of FEP, the serum levels of the growth factors BDNF and VEGF, the immune regulators IL-1RA, IL-6, IL-10 and IL-17, RANTES/CCL5, MIP-1b/CCL4, IL-8 and the metabolic regulators C-peptide, ghrelin, GIP, GLP-1, glucagon, insulin, leptin, PAI-1, resistin and visfatin were analysed in 260 subjects collected in the GET UP project...
March 13, 2018: Brain, Behavior, and Immunity
Roberto Schreiber, Cristiane M Souza, Layde R Paim, Guilherme de Rossi, José R Matos-Souza, Anselmo de A Costa E Silva, Fernando R Faria, Eliza R Azevedo, Karina C Alonso, Andrei C Sposito, Alberto Cliquet, José I Gorla, Wilson Nadruz
OBJECTIVE: To investigate the relationship of carotid intima-media thickness (IMT) and cardiac structure and function with adipocytokines in sedentary (S-SCI) and physically-active (PA-SCI) subjects with spinal cord injury (SCI). DESIGN: Cross-sectional observational study. SETTING: Academic medical center. PARTICIPANTS: Forty-one SCI men (16 S-SCI and 25 PA-SCI) with chronic (>1y) SCI were evaluated. S-SCI subjects did not perform labor that required physical effort, recreational physical activity or sports, while PA-SCI subjects included competing athletes that were regularly performing adapted sports...
March 13, 2018: Archives of Physical Medicine and Rehabilitation
Takuya Tsubaki, Tetsuya Kadonosono, Shimon Sakurai, Tadashi Shiozawa, Toshiki Goto, Shiori Sakai, Takahiro Kuchimaru, Takeharu Sakamoto, Hitomi Watanabe, Gen Kondoh, Shinae Kizaka-Kondoh
The immunosuppressive tumor microenvironment is a hallmark of cancer. Myeloid-derived suppressor cells (MDSCs) are CD11b+ Gr-1+ tumor-infiltrating immature myeloid cells that strongly mediate tumor immunosuppression. The CD11b+ Gr-1+ cells are a heterogeneous cell population, and the impacts of each subpopulation on tumor progression are not yet completely understood. In the present study, we identified a novel subpopulation of CD11b+ Gr-1+ cells from murine lung carcinoma tumors according to their strongly adherent abilities...
February 16, 2018: Oncotarget
Wenjie Dong, Xinai Wu
Background: Rab11 family-interacting protein 2 (Rab11-FIP2) can interact with MYO5B and plays an important role in regulating plasma membrane recycling. However, little is known about the clinical significance of DUSP2 in colorectal cancer (CRC). Methods: In this study, we investigated Rab11-FIP2 expression by immunohistochemistry in 125 patients with colorectal cancer. Conditioned media containing all secreted factors was harvested. Chemokine secretion and expression were analyzed by Chemi-array...
2018: Cancer Cell International
Jonathan V Martin, David M Liberati, Lawrence N Diebel
BACKGROUND: Hypernatremia is a common problem affecting critically ill patients, whether due to underlying pathology or the subsequent result of hypertonic fluid resuscitation. Numerous studies have been published suggesting that hypernatremia may adversely affect the vascular endothelial glycocalyx. Our study aimed to evaluate if high sodium concentration would impair the endothelial and glycocalyx barrier function and if stress conditions that simulate the shock microenvironment would exacerbate any observed adverse effects of hypernatremia...
March 12, 2018: Journal of Trauma and Acute Care Surgery
Penny S Reynolds, Bernard J Fisher, Jacquelyn McCarter, Christopher Sweeney, Erika J Martin, Paul Middleton, Matthew Ellenberg, Evan Fowler, Donald F Brophy, Alpha A Fowler, Bruce D Spiess, Ramesh Natarajan
BACKGROUND: Coagulopathy and inflammation induced by hemorrhagic shock and traumatic injury are associated with increased mortality and morbidity. Vitamin C (VitC) is an antioxidant with potential protective effects on the pro-inflammatory and pro-coagulant pathways. We hypothesized that high-dose VitC administered as a supplement to fluid resuscitation would attenuate inflammation, coagulation dysfunction, and end-organ tissue damage in a swine model of polytrauma and hemorrhage. METHODS: Male Sinclair swine (n = 24; mean body weight 27 kg) were anesthetized, intubated, mechanically ventilated, and instrumented for physiological monitoring...
March 12, 2018: Journal of Trauma and Acute Care Surgery
Julien Daubriac, Shiwei Han, Jelena Grahovac, Eve Smith, Abdel Hosein, Marguerite Buchanan, Mark Basik, Yves Boucher
Carcinoma-associated fibroblasts (CAFs) can remodel the extracellular matrix to promote cancer cell invasion, but the paracrine signaling between CAFs and cancer cells that regulates tumor cell migration remains to be identified. To determine how the interaction between CAFs and cancer cells modulates the invasiveness of cancer cells, we developed a 3-dimensional co-culture model composed of breast cancer (BC) MDA-MB-231 cell spheroids embedded in a collagen gel with and without CAFs. We found that the crosstalk between CAFs and cancer cells promotes invasion by stimulating the scattering of MDA-MB-231 cells, which was dependent on RhoA/ROCK/phospho MLC signaling in cancer cells but independent of RhoA in CAFs...
February 13, 2018: Oncotarget
Takeshi Shimoide, Naoyuki Kawao, Yukinori Tamura, Kiyotaka Okada, Yoshitaka Horiuchi, Katsumi Okumoto, Shinji Kurashimo, Masayoshi Ishida, Kohei Tatsumi, Osamu Matsuo, Hiroshi Kaji
Delayed fracture healing is a significant clinical problem among various complications in diabetic patients. However, the details in the mechanisms of diabetic delayed bone repair have still remained unknown. Here, we investigated the roles of macrophages in diabetic delayed bone repair after femoral bone injury using streptozotocin (STZ)-treated or plasminogen activator inhibitor-1 (PAI-1)-deficient female mice. STZ treatment significantly decreased the numbers of F4/80-positive cells (macrophages), but not Gr-1-positive cells (neutrophils), at the damaged site on day 2 after femoral bone injury in mice...
March 8, 2018: Endocrinology
Phealay May, Patricia Bremond, Christophe Sauzet, Philippe Piccerelle, Frédérique Grimaldi, Serge Champion, Pierre-Henri Villard
(1) Objective: Highlight the in vitro effects of 3T3-L1 cell exposure to polychlorinated biphenyls (PCB118 and 153) or benzo(a)pyrene (BaP) alone or as a cocktail on adipogenesis (ADG) by focusing on changes in lipid metabolism and inflammatory-related genes expression (INFG) and ADG-related genes expression (ADGG); (2) Results: Treatment from the early stage of cell differentiation by BaP alone or in combination with PCBs decreased the expression of some of the ADGG ( PPARγ Glut-4 , FAS , Lipin-1a , Leptin , and Adiponectin )...
March 13, 2018: International Journal of Molecular Sciences
Bin Wu, Jingshan Huang, Keisuke Fukuo, Kazuhisa Suzuki, Gen Yoshino, Tsutomu Kazumi
The aim of this study was to assess whether the gender-specific pattern of fat mass (FM) distribution is related to gender differences in cardiometabolic risk factors. 207 healthy middle-aged Japanese were included in the study. We measured FM in the total body, trunk, and lower-body with dual-energy X-ray absorptiometry (DXA). The percentage of trunk FM (TFM) and lower-body FM (LFM) is noted as %TFM and %LFM, respectively. Other measurements included glucose and insulin during oral glucose tolerance test (OGTT), leptin, adiponectin, plasminogen activator inhibitor-1 (PAI-1), tumor necrosis factor- α (TNF- α ), C-reactive protein (CRP), and systemic oxidative stress marker...
2018: International Journal of Endocrinology
Katarina Lalić, Milan Nedeljković, Alekasandra Jotić, Rade Babić, Nataša Rajković, Ljiljana Popović, Ljiljana Lukić, Tanja Miličić, Sandra Singh Lukač, Ljubica Stošić, Marija Maćešić, Iva Rasulić, Jelena Stanarčić Gajović, Nebojša M Lalić
AIMS: This study was aimed to compare insulin sensitivity and secretion response, lipoprotein and plasminogen activator inhibitor 1 (PAI-1) levels between the subjects with and without coronary artery endothelial dysfunction (ED). METHODS: ED was detected by intracoronary injection of acetylcholine (ACh) in 47 nondiabetes subjects without stenotic coronary arteries, selected from 316 consecutive patients with coronary angiography performed for suspected coronary artery disease...
March 8, 2018: Diabetes Research and Clinical Practice
M C Jiménez-González, D Santiago-Germán, E F Castillo-Henkel, J A Alvarado-Moreno, J Hernández-Juárez, A Leaños-Miranda, A Majluf-Cruz, I Isordia-Salas
INTRODUCTION: Numerous polymorphisms in candidate genes coding for haemostatic system proteins have been proposed as risk factors for thrombosis. METHODS: We performed a case-control study of consecutive ischaemic stroke survivors aged ≤ 45 years, treated at our neurology department from 2006 to 2014. Polymerase chain reaction-restriction fragment length polymorphism identified the following polymorphisms: Thr325Ile and Ala147Thr in TAFI, 4G/5G in PAI-1, PLA1/A2 in platelet glycoprotein IIb/IIIa, Glu298Asp in eNOS, and C677T in 5,10-MTHFR...
March 8, 2018: Neurología: Publicación Oficial de la Sociedad Española de Neurología
Jean Amiral, Maxime Laroche, Jerard Seghatchian
For many years, the importance of fibrinolysis has been recognized, first for its intravascular antithrombotic action, and more recently for its many extravascular activities, associated with matrix degradation and tissue remodeling. In the blood circulation system, fibrinolysis prevents thrombosis, and is associated with various biological and clinical situations: risk factors for cardio-vascular diseases in high risk clinical situations (type II diabetes, hypertension, triglycerides, high BMI, elevated glucose, etc...
February 20, 2018: Transfusion and Apheresis Science
Masaru Nakagawa, Sigeyuki Uno, Noriyoshi Iriyama, Manabu Matsunawa, Makoto Makishima, Jin Takeuchi, Isao Tsuboi, Yoshihiro Hatta, Masami Takei
Benzo[a]pyrene (BaP) is an environmental pollutant found in cigarette smoke and is implicated as a causative agent of tobacco-related diseases, such as arteriosclerosis. In contrast, vitamin D signaling, which is principally mediated by conversion of vitamin D to the active form, 1α,25-dihydroxyvitamin D3 [1,25(OH)2 D3 ], decreases cardiovascular disease risk. However, combined treatment with BaP and 1,25(OH)2 D3 enhances BaP toxicity, including BaP-DNA adduct formation. We further investigated the cross-talk between BaP and 1,25(OH)2 D3 signaling pathways, and found that combined treatment with these compounds induces mRNA and protein expression of plasminogen activator inhibitor 1 (PAI-1) in monocyte/macrophage-derived THP-1 and U937 cells...
March 7, 2018: Toxicology and Applied Pharmacology
Christopher G Hughes, Mayur B Patel, Nathan E Brummel, Jennifer L Thompson, J Brennan McNeil, Pratik P Pandharipande, James C Jackson, Rameela Chandrasekhar, Lorraine B Ware, E Wesley Ely, Timothy D Girard
PURPOSE: Neurologic and endothelial injury biomarkers are associated with prolonged delirium during critical illness and may reflect injury pathways that lead to poor long-term outcomes. We hypothesized that blood-brain barrier (BBB), neuronal, and endothelial injury biomarkers measured during critical illness are associated with cognitive impairment and disability after discharge. METHODS: We enrolled adults with respiratory failure and/or shock and measured plasma concentrations of BBB (S100B), neuronal (UCHL1, BDNF), and endothelial (E-selectin, PAI-1) injury markers within 72 h of ICU admission...
March 9, 2018: Intensive Care Medicine
Silvia Perés Wingeyer, Federico Aranda, Sebastián Udry, José Latino, Gabriela de Larrañaga
BACKGROUND AND OBJECTIVES: Thrombophilia might increase the risk of suffering from obstetric complications by adversely affecting the normal placental vascular function. Our aim was to study the distributions of five thrombosis-associated genetic variants: factor V Leiden, prothrombin G20210A, -675 4G/5G PAI-1, 10034C/T gamma fibrinogen and 7872C/T factor XI and the frequencies of the deficiencies of protein C, S and antithrombin in Argentinian patients with recurrent pregnancy loss (RPL) and, therefore, to analyse their association with the risk and timing of RPL and the risk of suffering other vascular obstetric pathologies...
March 6, 2018: Medicina Clínica
Hernán Gonzalo Villagarcía, María Cecilia Castro, Luisa González Arbelaez, Guillermo Schinella, María Laura Massa, Eduardo Spinedi, Flavio Francini
AIM: Hypothalamic obese rats are characterized by pre-diabetes, dyslipidemia, hyperadiposity, inflammation and, liver dysmetabolism with oxidative stress (OS), among others. We studied endocrine-metabolic dysfunctions and, liver OS and inflammation in both monosodium l-glutamate (MSG)-neonatally damaged and control litter-mate (C) adult male rats, either chronically treated with N-Acetyl-l-Cysteine since weaned (C-NAC and MSG-NAC) or not. METHODOLOGY: We evaluated circulating TBARS, glucose, insulin, triglycerides, uric acid (UA) and, aspartate and alanine amino-transferase; insulin sensitivity markers (HOMA indexes, Liver Index of Insulin Sensitivity -LISI-) were calculated and liver steps of the insulin-signaling pathway were investigated...
March 6, 2018: Life Sciences
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