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https://www.readbyqxmd.com/read/28738539/lncrna-ab073614-regulates-proliferation-and-metastasis-of-colorectal-cancer-cells-via-the-pi3k-akt-signaling-pathway
#1
Yanan Wang, Haoyu Kuang, Jinfang Xue, Liya Liao, Fang Yin, Xiaojun Zhou
The expression profiles of long noncoding RNAs (lncRNAs) in colorectal cancer (CRC) have remained unclear. LncRNA AB073614 is known to be upregulated in ovarian cancer and glioma tissues, and is associated with the occurrence and progression of those cancers. In the present study, we investigated the lncRNA AB073614 gene expression patterns in CRC cell lines and tissue samples from CRC patients, and then analyzed them for possible associations with various clinicopathological characteristics. Furthermore, the roles played by lncRNA AB073614 in CRC cell proliferation, apoptosis, cell cycle progression, migration, and invasion were examined in vitro by using gene knockdown and overexpression techniques...
July 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738537/phosphodiesterase-inhibitor-ameliorates-neuronal-injury-in-spinal-cord-ischemia-reperfusion-injured-rat-model
#2
Xiao-Gang Chen, Fu Hua, Shou-Guo Wang, Yong-Yi Xu, Hai-Tao Yue
This study investigated the mechanisms responsible for the neuroprotective effect of sildenafil citrate (SFC) on ischemia-reperfusion spinal cord (SC) injuries. Balloon occlusion of the thoracic aorta was used to induce SC ischemia. The animals (n=30) were separated into three groups: sham, SC injury with saline, and SC injury with 5mg/kg i.p. SFC treatment (SFC). The Basso, Beattie, and Bresnahan (BBB) score was determined to assess neurological function at different time intervals after reperfusion. After 48h, histopathology of the SC was assessed by triphenyltetrazolium chloride (TTC) and Nissl staining...
July 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738522/combination-of-nrp1-mediated-irgd-with-5-fluorouracil-suppresses-proliferation-migration-and-invasion-of-gastric-cancer-cells
#3
Li Zhang, Yanfeng Xing, Qi Gao, Xuejun Sun, Di Zhang, Gang Cao
Gastric cancer is one of the most of common cancers in the world. 5-Fluorouracil (5-FU) has been identified as one of the standard first-line chemotherapy drugs for locally advanced or metastatic gastric cancer. However, poor tumor penetration, bad selectivity and toxic side effects are the major limitations for the application of chemotherapy drugs in anticancer therapy. Recently, plenty of studies demonstrate that the novel tumor-homing peptide iRGD could promote the tumor-penetrating capability of chemotherapy drugs in multiple cancers, and neuropilin-1 (NRP1) protein is the critical mediator for iRGD...
July 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738521/ginkgo-biloba-exocarp-extracts-induces-autophagy-in-lewis-lung-cancer-cells-involving-ampk-mtor-p70s6k-signaling-pathway
#4
Chenjie Cao, Dongdong Han, Ya Su, Yu Ge, Huasheng Chen, Aihua Xu
OBJECTIVES: Ginkgo biloba L. is called a living fossil plant, and could be used for the treatment of cancer thousands of years ago in China. The extracts prepared from the Ginkgo biloba exocarp (Ginkgo biloba exocarp extracts, GBEE) has a significant anti-cancer effect. Autophagy plays an important role in the occurrence and development of cancer as programmed cell death (PCD) type II. Thus it would be interesting to study the effects and mechanisms of GBEE inducing autophagy in Lewis lung cancer (LLC) cells...
July 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738519/magnetic-iron-oxide-nanoparticles-as-novel-and-efficient-tools-for-atherosclerosis-diagnosis
#5
REVIEW
María Gabriela Montiel Schneider, Verónica Leticia Lassalle
Cardiovascular complications derivate from atherosclerosis are the main cause of death in western world. An early detection of vulnerable atherosclerotic plaques is primordial for a better care of patients suffering the pathology. In this context nanotechnology has emerged as a promising tool to achieve this goal. Nanoparticles based on magnetic iron oxide (MNPs) have been extensively studied in cardiovascular diseases diagnosis, as well as in the treatment and diagnostic of other pathologies. The present review aims to describe and analyze the most current literature regarding to this topic, offering the level of detail required to reproduce the experimental tasks providing a critical input of the latest available reports...
July 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738518/teucrium-polium-extract-reverses-symptoms-of-streptozotocin-induced-diabetes-in-rats-via-rebalancing-the-pdx1-and-foxo1-expressions
#6
Parvaneh Sadat Tabatabaie, Razieh Yazdanparast
BACKGROUND AND OBJECTIVE: Teucrium polium Lamiaceae. an antidiabetic traditional medicine was observed to stimulate insulin secretion and β-cell mass restoration in pancreatic of diabetic rats. Bioactive compounds in T. polium such as terpenoids and flavonoids have a wide range of antioxidant properties. Given this background, our research was aimed at probing the effective molecular mechanism of T. polium which in turn protects the pancreatic β-cells of diabetic rats through attenuation of streptozotocin-induced oxidative stress...
July 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738499/aqueous-extract-of-codium-fragile-suppressed-inflammatory-responses-in-lipopolysaccharide-stimulated-raw264-7-cells-and-carrageenan-induced-rats
#7
Seul Ah Lee, Sung-Min Moon, Yun Hee Choi, Seul Hee Han, Bo-Ram Park, Mi Suk Choi, Jae-Sung Kim, Yong Hwan Kim, Do Kyung Kim, Chun Sung Kim
Codium fragile (Suringar) Hariot has been used in Oriental medicine for the treatment of enterobiasis, dropsy, and dysuria and has been shown to have various biological effects. In this study, we evaluated the anti-inflammatory effects of aqueous extract of C. fragile (AECF) using in vitro and in vivo models. Nitric oxide (NO), prostaglandin E2 (PGE2), inflammatory-related mRNAs, and proteins were determined using the Griess assay, enzyme-linked immunosorbent assay (ELISA), reverse transcription-polymerase chain reaction (RT-PCR), and western blotting, respectively...
July 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738497/oeanolic-acid-protects-against-the-hepatotoxicity-of-d-galactosame-plus-endotoxin-in-mice
#8
Xiao-Li Wan, Yuan-Fu Lu, Shang-Fu Xu, Qin Wu, Jie Liu
Oleanolic acid (OA) is a triterpenoid contained in many herbal medicines. The aim of this study was to investigate the protective effect of OA against D-galactosame plus lipopolysaccharides (D-GalN/LPS)-induced acute liver injury and the underling mechanisms. Mice were randomly divided into normal control with vehicles only (corn oil), D-GalN/LPS only (700mg/10μg/kg, ip), OA-po (200μmol/kg in corn oil, po) plus D-GalN/LPS, and OA-sc (50μmol/kg in 2% tween 80, sc) plus D-GalN/LPS groups. OA pretreatment was conducted twice daily for 4 consecutive days...
July 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738491/-establishment-of-a-model-of-hydrogen-peroxide-induced-injury-in-pulmonary-artery-endothelium-cells-and-relevant-mechanisms-of-oxidative-stress
#9
J Ye, Y Y He, Y Yan, J H Zhao, T Y Lian, X J Wang, Y Yan, S J Zhang, S H Yang, Z C Jing
Objective: To establish a hydrogen peroxide (H(2)O(2)) induced injury model of pulmonary artery endothelial cells (PAECs) and explore the molecular mechanisms of oxidative stress on the structure and function of PAECs in this model. Methods: Human PAECs were treated with H(2)O(2) at different concentrations (25, 50, 100, 200, 400, 800, 1 600, 3 200, 6 400 μmol/L) for 4 and 24 h, respectively. The PAECs survival curve was obtained according to the cell viability measured by CCK-8 assay. The cell apoptosis of PAECs was detected by flow cytometry...
July 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28738469/-analysis-on-geographic-distribution-of-high-blood-pressure-prevalence-in-children-and-adolescents-aged-7-18-years-in-china-2014
#10
Y H Dong, Z Y Zou, Z H Wang, S Wang, Z P Yang, Y J Chen, J Ma
Objective: To understand and evaluate the characteristics of geographic distribution of high blood pressure prevalence in children and adolescents aged 7-18 years in China in 2014, and provide evidence for the prevention of hypertension in children and adolescents. Methods: The data of 2014 Chinese National Surveys on Students Constitution and Health conducting 31 provinces (except Hong Kong, Macao and Taiwan) were collected. A total of 216 299 children and adolescents who had complete blood pressure records were selected as study subjects...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28738452/prediction-of-delayed-colonic-transit-using-bristol-stool-form-and-stool-frequency-in-eastern-constipated-patients-a-difference-from-the-west
#11
Veeravich Jaruvongvanich, Tanisa Patcharatrakul, Sutep Gonlachanvit
Background/Aims: The correlation between the Bristol stool form scale (BSFS) and colonic transit time (CTT) has been reported in Western populations. Our study aims to study the relationship between BSFS, stool frequency, and CTT in Eastern patients with chronic constipation. Methods: A total of 144 chronic primary constipation patients underwent colonic transit study by using radio-opaque markers, anorectal manometry, and balloon expulsion test. Stool diary including stool forms and frequency was recorded...
July 21, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28738389/pdgf-promotes-the-warburg-effect-in-pulmonary-arterial-smooth-muscle-cells-via-activation-of-the-pi3k-akt-mtor-hif-1%C3%AE-signaling-pathway
#12
Yunbin Xiao, Hongyan Peng, Chenliang Hong, Zhi Chen, Xicheng Deng, Aiping Wang, Fang Yang, Li Yang, Chen Chen, Xuping Qin
BACKGROUND/AIMS: The enhanced proliferation of pulmonary arterial smooth muscle cells (PASMCs) is a central pathological component in pulmonary arterial hypertension (PAH). Both the Warburg effect and platelet-derived growth factor (PDGF) are involved in the proliferation of PASMCs. However, the mechanism underlying the crosstalk between the Warburg effect and PDGF during PASMC proliferation is still unknown. We hypothesized that PDGF promotes the Warburg effect via activating the phosphatidylinositol 3-kinase (PI3K) signaling pathway and hypoxia-inducible factor 1-α (HIF-1α) in proliferative PASMCs...
July 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28738378/akt-mtor-signaling-mediates-abnormalities-in-the-proliferation-and-apoptosis-of-ovarian-granulosa-cells-in-patients-with-polycystic-ovary-syndrome
#13
Wan-Juan Song, Xiaobo Shi, Jing Zhang, Luo Chen, Shu-Xin Fu, Yi-Ling Ding
BACKGROUND/AIMS: Abnormal apoptosis of granulosa cells (GCs) is thought to involve in the pathogenesis of polycystic ovary syndrome (PCOS); however, the associated cellular and molecular mechanisms remain unclear. METHODS: Primary GCs were obtained from healthy women and women with PCOS. The cell proliferation and apoptosis were analyzed in insulin-stimulated and insulin receptor gene (INSR) siRNA-transfected GCs. The protein expression of Akt-mTOR-S6K1 signal molecules was measured by Western blot...
July 22, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28738356/thermal-preconditioning-may-prevent-tendon-adhesion-by-up-regulating-hsp72-in-rats
#14
Yang Tan, Qin-Fen Wu, Qiang Wu, Xin-Ti Tan, Liao-Bin Chen, Xin Wang
BACKGROUND/AIMS: The study aims to determine the effects of thermal preconditioning on tendon adhesion by regulating the expression of heat shock protein 72 (HSP72) in rat models. METHODS: Sixty male Wistar rats were collected and randomly assigned into the thermal preconditioning and control groups. During the 4th and 8th weeks following surgery, 15 rats were sacrificed in each period respectively, and their tendon adhesion was observed and evaluated. Biomechanical testing was performed to measure the tensile strength and gliding distance of tendons...
July 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28738343/mir-26a-b-inhibit-tumor-growth-and-angiogenesis-by-targeting-the-hgf-vegf-axis-in-gastric-carcinoma
#15
Yiran Si, Haiyang Zhang, Tao Ning, Ming Bai, Yi Wang, Haiou Yang, Xinyi Wang, Jialu Li, Guoguang Ying, Yi Ba
BACKGROUND/AIMS: Abnormal expression of HGF is found in various cancers and correlates with tumor proliferation, metastasis and angiogenesis. However, the regulatory mechanism of the HGF-VEGF axis remains unclear. METHODS: The expression characteristic of HGF in human gastric cancer tissues was shown by an immunohistochemistry assay, and the expression levels of target protein were detected by Western blot. The relative levels of miR-26a/b and target mRNA were examined by qRT-PCR...
July 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28738328/a-novel-role-for-mir-520a-3p-in-regulating-egfr-expression-in-colorectal-cancer
#16
Rui Zhang, Rui Liu, Chang Liu, Yahan Niu, Jianguo Zhang, Baoliang Guo, Chen-Yu Zhang, Jing Li, Jie Yang, Xi Chen
BACKGROUND/AIMS: MicroRNAs (miRNAs) have been consistently demonstrated to be involved in colorectal cancer as either tumour oncogenes or tumour suppressors. However, the detailed role of miR-520a-3p in colorectal cancer remains poorly understood. METHODS: Quantitative RT-PCR and western blotting assays were used to measure miR-520a-3p and EGFR expression levels in colorectal cancer tissues, respectively. Luciferase reporter assay was employed to validate the direct targeting of EGFR by miR-520a-3p...
July 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28738273/factors-influencing-warfarin-control-in-australia-and-singapore
#17
Nijole Bernaitis, Chi Keong Ching, Siew Chong Teo, Liping Chen, Tony Badrick, Andrew K Davey, Julia Crilly, Shailendra Anoopkumar-Dukie
INTRODUCTION: Warfarin is widely used for patients with non-valvular atrial fibrillation (NVAF). Variations in warfarin control, as measured by time in therapeutic range (TTR), have been reported across different regions and ethnicities, particularly between Western and Asian countries. However, there is limited data on comparative factors influencing warfarin control in Caucasian and Asian patients. Therefore, the aim of this study was to determine warfarin control and potential factors influencing this in patients with NVAF in Australia and Singapore...
July 14, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28738269/an-anti-inflammatory-effect-of-red-microalga-polysaccharides-in-coronary-artery-endothelial-cells
#18
Oshrat Levy-Ontman, Mahmoud Huleihel, Rachel Hamias, Talya Wolak, Esther Paran
BACKGROUND AND AIMS: Polysaccharides (PSs) produced by the red microalga Porphyridium sp. were reported to exhibit anti-inflammatory bioactivities in the human skin. The primary goal of the present research was to assess whether PSs attenuate inflammatory processes by interfering with tumour necrosis factor-alpha (TNF-α)-induced inflammation, in human coronary artery endothelial cells (HCAECs). METHODS: Functional and inflammatory markers were quantified in TNF-α-stimulated HCAECs, with and without pre-treatment with PSs...
July 16, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28738252/radioactivity-analysis-of-soil-samples-taken-from-the-western-and-northern-shores-of-lake-van-turkey
#19
Halime Kayakökü, Mahmut Doğru
In this study, concentrations of the radioactive isotopes (226)Ra, (232)Th, (40)K and (137)Cs were measured in soil samples from the shores of Lake Van using a high purity germanium detector. Activity concentrations obtained for these nuclides were compared with world average values. The average (226)Ra, (232)Th and (4)(0)K activity concentrations calculated for the soil samples were higher than the world average values reported by UNSCEAR. The lowest (226)Ra, (232)Th and (4)(0)K activity concentrations were recorded in sample T-1 whereas the highest values were recorded in sample T-11...
July 12, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28738247/asiatic-acid-inhibits-lps-induced-inflammatory-response-in-human-gingival-fibroblasts
#20
Chunbo Hao, Buling Wu, Zhiming Hou, Qi Xie, Tianan Liao, Tao Wang, Dandan Ma
Asiatic acid, a triterpenoid component isolated from Centella asiatica (L.) Urban, possesses antioxidative and anti-inflammatory activities. In this study, we aimed to investigate the anti-inflammatory effects of asiatic acid both in vivo and in vitro. HGFs or RAW264.7 cells were treated with asiatic acid 1h before LPS treatment. Cell viability was measured by MTT assay. The levels of PGE2, NO, IL-6, and IL-8 were detected by ELISA. Protein expression levels were detected by western blot analysis. In vivo, asiatic acid significantly inhibited LPS-induced IL-6 and IL-8 expression levels in gingival tissues...
July 21, 2017: International Immunopharmacology
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