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https://www.readbyqxmd.com/read/28109148/-rat-bone-marrow-mesenchymal-stem-cells-promote-apoptosis-and-inhibit-proliferation-and-migration-of-rsc96-cells
#1
Yongbin Ma, Suohua Ge, Dan Zhou, Huanyan Zhang, Luyang Sun, Xuefeng Wang, Jianhua Su
Objective To investigate the effect of rat bone marrow mesenchymal stem cells (BMSCs) on the proliferation and migration of rat RSC96 Schwann cells in vitro. Methods BMSCs of Sprague Dawley (SD) rats were isolated by bone marrow cell adherent method. The morphology of the third generation of BMSCs was observed by inverted microscopy. The cell surface antigen makers CD19, CD34, CD73, CD105 were detected by flow cytometry. The third-passage BMSCs differentiated into osteoblasts and adipocytes after exposed to bone-inducing and lipid-inducing media for 3 and 2 weeks, respectively, and then were identified by oil red O and alkaline phosphatase staining...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109105/-effect-of-heat-exposure-in-the-second-trimester-of-pregnancy-on-intrauterine-growth-of-fatal-rat-and-the-expression-of-hsp70-bax-and-bcl-2-of-placenta
#2
Yong-Bao Peng, Shu-Hui Huang, Jun-Ming Zhang, Yong Luo, Qun Zhou, Huai Liu
OBJECTIVE: To investigate the effect of heat exposure during the second week of pregnancy on placental development and intrauterine growth of fetal rats. METHODS: 24 pregnant rats were either exposed or not to a temperature of 35∓1 degrees celsius; during the second week of pregnancy. The body weight gain of the pregnant rats was measured regularly, and in late pregnancy, the pregnant rats were dissected and the number, weight, length, tail length, appearance of the offspring rats, number of live and still births, and the placental weight were recorded...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28109089/betulinic-acid-inhibits-cell-proliferation-in-human-oral-squamous-cell-carcinoma-via-modulating-ros-regulated-p53-signaling
#3
Huan Shen, Li Liu, Yongjin Yang, Wenxing Xun, Kewen Wei, Guang Zeng
Oral squamous cell carcinoma (OSCC) is a common cancer of the head and neck. Betulinic acid (BA) is a naturally occurring pentacyclic triterpenoid. The present study was designed to explore the effects of BA on OSCC KB cell proliferation <em>in vitro</em> and implanted tumor growth <em>in vivo</em> and to examine the possible molecular mechanisms. The results showed that BA dose-dependently inhibited KB cell proliferation and decreased implanted tumor volume. In addition, BA significantly promoted mitochondrial apoptosis, as reflected by increase of TUNEL-positive cells and activities of caspase 3 and 9, increase of Bax expression and decrease of Bcl-2 expression and mitochondrial oxygen consumption rate...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28108410/ganoderma-atrum-polysaccharide-ameliorates-anoxia-reoxygenation-mediated-oxidative-stress-and-apoptosis-in-human-umbilical-vein-endothelial-cells
#4
Yan-Song Zhang, Wen-Juan Li, Xian-Yi Zhang, Yu-Xin Yan, Shao-Ping Nie, De-Ming Gong, Xiao-Fang Tang, Ming He, Ming-Yong Xie
Ganoderma atrum polysaccharide (PSG-1), a main polysaccharide from Ganoderma atrum, possesses potent antioxidant capacity and cardiovascular benefits. The aim of this study was to investigate the role of PSG-1 in oxidative stress and apoptosis in human umbilical vein endothelial cells (HUVECs) under anoxia/reoxygenation (A/R) injury conditions. The results showed that exposure of HUVECs to A/R triggered cell death and apoptosis. Administration of PSG-1 significantly inhibited A/R-induced cell death and apoptosis in HUVECs...
January 17, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28108275/benzofuran-2-acetic-ester-derivatives-induce-apoptosis-in-breast-cancer-cells-by-upregulating-p21-cip-waf1-gene-expression-in-p53-independent-manner
#5
Cinzia Giordano, Daniela Rovito, Ines Barone, Raffaella Mancuso, Daniela Bonofiglio, Francesca Giordano, Stefania Catalano, Bartolo Gabriele, Sebastiano Andò
Breast cancer is the most common malignancy and the leading cause of cancer-related death in women worldwide. High toxicity of used chemotherapeutics and resistance of cancer cells to treatments are a driving force for searching the new drug candidates for breast cancer therapy. In this study, we tested the antiproliferative effects of a series of benzofuran-2-acetic methyl ester derivatives, synthesized by a palladium-catalyzed carbonylative heterocyclization approach, on breast cancer cells. We observed that benzofuran compounds bearing a phenyl or tert-butyl substituent α to the methoxycarbonyl group significantly inhibited anchorage-dependent and -independent cell growth, and induced G0/G1 cell cycle arrest in human estrogen receptor alpha positive (MCF-7 and T47D) and in triple negative MDA-MB-231 breast cancer cells, without affecting growth of MCF-10A normal breast epithelial cells...
January 15, 2017: DNA Repair
https://www.readbyqxmd.com/read/28108255/regular-exercise-promotes-memory-function-and-enhances-hippocampal-neuroplasticity-in-experimental-autoimmune-encephalomyelitis-mice
#6
Tae-Woon Kim, Yun-Hee Sung
Multiple sclerosis (MS) is a progressive condition affecting the central nervous system (CNS), and is characterized by the development of demyelinated lesions and plaques in the brain and spinal cord. Exercise is beneficial against dementia in elderly patients, so we investigated the effects of exercise on memory in relation to hippocampal demyelination and neuroplasticity in a mouse model of MS (experimental autoimmune encephalomyelitis [EAE]). Mice were randomly divided into three groups: Sham, EAE, and EAE and exercise (EAE+EX)...
January 17, 2017: Neuroscience
https://www.readbyqxmd.com/read/28107526/rab14-act-as-oncogene-and-induce-proliferation-of-gastric-cancer-cells-via-akt-signaling-pathway
#7
Bo Guo, Wenjing Wang, Zhenghao Zhao, Qian Li, Kaiyue Zhou, Lingyu Zhao, Lumin Wang, Juan Yang, Chen Huang
Rab14 is a member of RAS oncogene family, and its dysfunction has been reported to be involved in various types of human cancer. However, its expression and function were still unclear in gastric cancer. The aim of this study was to investigate the function and mechanism of Rab14 in gastric cancer cell lines. Quantitative real-time PCR (qRT-PCR) was performed in 17 gastric adenocarcinoma tissues and 4 cell lines to detect the expression of Rab14. 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyl-tetrazolium bromide (MTT), colony formation and flow cytometry assays were employed to determine the proliferative ability, cell cycle transition and apoptosis in vitro in BGC-823 or SGC-7901 cells...
2017: PloS One
https://www.readbyqxmd.com/read/28107387/neuronal-cell-death-and-degeneration-through-increased-nitroxidative-stress-and-tau-phosphorylation-in-hiv-1-transgenic-rats
#8
Young-Eun Cho, Myoung-Hwa Lee, Byoung-Joon Song
The underlying mechanisms for increased neurodegeneration and neurocognitive deficits in HIV-infected people are unclear. Therefore, this study was aimed to investigate the mechanisms of increased neurodegeneration in 5-month old male HIV-1 Transgenic (Tg) rats compared to the age- and gender-matched wild-type (WT) by evaluating histological changes and biochemical parameters of the key proteins involved in the cell death signaling and apoptosis. Histological and immunohistochemical analyses revealed decreased neuronal cells with elevated astrogliosis in HIV-1 Tg rats compared to WT...
2017: PloS One
https://www.readbyqxmd.com/read/28107196/wilms-tumor-gene-1-silencing-inhibits-proliferation-of-human-osteosarcoma-mg-63-cell-line-by-cell-cycle-arrest-and-apoptosis-activation
#9
Adriana Carol Eleonora Graziano, Venera Cardile, Rosanna Avola, Nunzio Vicario, Carmela Parenti, Lucia Salvatorelli, Gaetano Magro, Rosalba Parenti
Wilms' tumor gene 1 (WT1) plays complex roles in tumorigenesis, acting as tumor suppressor gene or an oncogene depending on the cellular context. A high WT1 expression level was described in various types of human bone and soft-tissue sarcomas, including osteosarcoma (OS), but its function in carcinogenesis is not yet well understood. This study investigated WT1 both in human OS tissues and in human OS MG-63 cell line in which WT1 gene is up-regulated. The results demonstrated that WT1 is expressed in 50% of human OS cases...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28106847/combination-of-morroniside-and-diosgenin-prevents-high-glucose-induced-cardiomyocytes-apoptosis
#10
Wen-Xia Pi, Xiao-Peng Feng, Li-Hong Ye, Bao-Chang Cai
Cornus officinalis and Dioscorea opposita are two traditional Chinese medicines widely used in China for treating diabetes mellitus and its complications, such as diabetic cardiomyopathy. Morroniside (Mor) of Cornus officinalis and diosgenin (Dio) of Dioscorea opposita formed an innovative formula named M + D. The aims of the present study were to investigate myocardial protective effect of M + D on diabetic cardiomyopathy (DCM) through the inhibition of expression levels of caspase-3 protein, and identify the advantage of M + D compared with Mor, Dio, and the positive drug metformin (Met)...
January 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28106481/mir-320a-effectively-suppresses-lung-adenocarcinoma-cell-proliferation-and-metastasis-by-regulating-stat3-signals
#11
Qing Lv, Jin-Xia Hu, You-Jie Li, Ning Xie, Dan-Dan Song, Wei Zhao, Yun-Fei Yan, Bao-Sheng Li, Ping-Yu Wang, Shu-Yang Xie
MicroRNAs play important roles in tumorigenesis of various types of cancers. MiR-320a can inhibits cell proliferation of some cancers, but the biological roles of miR-320a in lung cancer need to be further studied. Here, we investigated the roles of miR-320a in suppressing the proliferation of lung adenocarcinoma cells. MiR-320a treatment was found to effectively suppresse LTEP-a-2 and A549 cell proliferation, and induce more apoptotic cells induced by irradiation compared with control treatment. Our results also showed that miR-320a, as a novel miRNA, directly regulated signal transducer and activator of transcription 3 (STAT3) and its signals, such as Bcl-2, Bax, and Caspase 3...
January 20, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28106466/phototoxic-effect-of-topical-fluoroquinolones-administered-before-corneal-crosslinking-in-a-murine-model
#12
Victor E Reviglio, Matias Osaba, Gabriela Sambuelli, Irene C Kuo
PURPOSE: Corneal crosslinking by UV light (UV-CXL) has become a popular treatment for keratoconus and corneal ectasia. Fluoroquinolones (FQs), commonly administered topically before UV-CXL, are known to be phototoxic to the skin and lens. The purpose of this study was to investigate phototoxic effects of topical FQ treatment on murine corneas before UV-CXL, in which the corneal epithelium was kept intact. METHODS: Murine corneas were treated with various antibiotics with or without riboflavin before UV-CXL...
January 20, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28106278/caffeine-prevents-blood-retinal-barrier-damage-in-a-model-in-vitro-of-diabetic-macular-edema
#13
Grazia Maugeri, Agata Grazia D'Amico, Daniela Maria Rasà, Valentina La Cognata, Salvatore Saccone, Rita Federico, Sebastiano Cavallaro, Velia D'Agata
Diabetic macular edema (DME) is the major cause of vision loss in patients affected by diabetic retinopathy. Hyperglycemia and hypoxia, represent the key elements in the progression of this pathologies, leading to breakdown of the blood-retinal barrier (BRB). Caffeine, a psychoactive substance largely consumed in the world, is a nonselective antagonist of adenosine receptors (AR) and it possesses a protective effect in various diseases, including eye pathologies. Here, we have investigated the effect of this substance on BRB integrity following exposure to hyperglycemic/hypoxic insult...
January 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28106136/long-term-exposure-to-835%C3%A2-mhz-rf-emf-induces-hyperactivity-autophagy-and-demyelination-in-the-cortical-neurons-of-mice
#14
Ju Hwan Kim, Da-Hyeon Yu, Yang Hoon Huh, Eun Ho Lee, Hyung-Gun Kim, Hak Rim Kim
Radiofrequency electromagnetic field (RF-EMF) is used globally in conjunction with mobile communications. There are public concerns of the perceived deleterious biological consequences of RF-EMF exposure. This study assessed neuronal effects of RF-EMF on the cerebral cortex of the mouse brain as a proxy for cranial exposure during mobile phone use. C57BL/6 mice were exposed to 835 MHz RF-EMF at a specific absorption rate (SAR) of 4.0 W/kg for 5 hours/day during 12 weeks. The aim was to examine activation of autophagy pathway in the cerebral cortex, a brain region that is located relatively externally...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28106000/left-bundle-branch-block-after-sutureless-transcatheter-and-stented-biological-aortic-valve-replacement-for-aortic-stenosis
#15
Madelien V Regeer, Lisanne R Merkestein, Arend de Weger, Vasileios Kamperidis, Frank van der Kley, Philippe J van Rosendael, Nina Ajmone Marsan, Robert J M Klautz, Martin J Schalij, Jeroen J Bax, Victoria Delgado
AIMS: Conventional aortic valve replacement (AVR), sutureless AVR (su-AVR) and transcatheter aortic valve implantation (TAVI) for severe aortic stenosis (AS) are associated with conduction abnormalities. The aim of the present study was to assess the incidence of left bundle branch block (LBBB) after su-AVR and TAVI, in comparison to conventional AVR. METHODS AND RESULTS: A total of 501 patients (mean age 74±8 years, 53% male) without preoperative cardiac conduction disturbances who underwent AVR or TAVI were included in the study...
January 20, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28105222/curcumin-suppresses-the-proliferation-of-gastric-cancer-cells-by-downregulating-h19
#16
Gao Liu, Tian Xiang, Quan-Feng Wu, Wei-Xing Wang
Curcumin, a major phytochemical in turmeric, inhibits the proliferation of many types of solid cancer cells by enhancing p53 expression. However, the long non-coding RNA H19 directly inhibits p53 activation and thus promotes gastric cancer progression. The aim of this study was to assess the role of H19 in curcumin-induced proliferative inhibition of gastric cancer. The gastric cancer cell line SGC-7901 was treated with curcumin at different concentrations and time points. The effect of curcumin on proliferation was assessed using cell counting kit-8 assays and flow cytometry with Ki67 staining...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28105124/cardioprotective-effects-of-traditional-chinese-medicine-guanmaitong-on-acute-myocardial-infarction
#17
Xing-Hua Wang, Guang-Ping Li, Wan-Song Yang, Zhan-Quan Jiao, Hong-Mei Liu, Yan-Ping Ni
Guanmaitong (GMT) is a traditional Chinese herbal compound that has been used for the treatment of coronary heart disease (CHD) and other cardiovascular diseases. However, the efficacy of GMT in treating cardiovascular diseases remains unclear. The aim of the present study was to investigate the protective mechanisms and identify the targeted proteins and signaling networks associated with the physiological activity of GMT in a rat model of acute myocardial infarction (AMI). Sprague-Dawley rats were randomly allocated into five groups: Control group (sham-operated), the model group, and small, medium, and large dosage GMT groups...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28104027/-inhibition-of-g9a-attenuates-cell-proliferation-via-the-mitochondrial-apoptosis-pathway-in-lung-adenocarcinoma
#18
H J Wan, W Lyu, L Yu, Z Y Zhou, Y J Hu, J Hu
Objective: The aim of this study is to investigate the effect of G9a inhibitor BIX-01294 on attenuating cell proliferation in human lung adenocarcinoma A549 cell line and the underlying molecular mechanism. Methods: Treated with BIX-01294, the growth and proliferation of A549 cells were detected by MTT assay and colony formation assay, and its impact on cell apoptosis was analyzed using flow cytometry. By Western blot, we explored the alterations in the expression of apoptosis-related proteins and the G9a catalysate, H3K9me and H3K9me2...
January 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28103938/the-gastro-protective-effects-of-cibotium-barometz-hair-on-ethanol-induced-gastric-ulcer-in-sprague-dawley-rats
#19
Nahla Saeed Al-Wajeeh, Maryam Hajerezaie, Suzita Mohd Noor, Mohammed Farouq Halabi, Nawal Al-Henhena, Ainnul Hamidah Syahadah Azizan, Sareh Kamran, Pouya Hassandarvish, Abdrabuh N Shwter, Hamed Karimian, Hapipah Mohd Ali, Mahmood Ameen Abdulla
BACKGROUND: Cibotium barometz is a medical herb used traditionally in the Malaysian peninsula for several ailments, including gastric ulcer. The aim of this study was assessment the anti-ulcer effects of C. barometz hair on ethanol-induced stomach hemorrhagic abrasions in animals. Seven groups of Sprague Dawley (SD) rats were administered 10% Tween 20 in the normal control and ulcer control groups, and omeprazole 20 mg/kg and 62.5, 125, 250, and 500 mg/kg of C. barometz hair extract in the experimental groups...
January 19, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28103302/crude-extracts-flavokawain-b-and-alpinetin-compounds-from-the-rhizome-of-alpinia-mutica-induce-cell-death-via-uck2-enzyme-inhibition-and-in-turn-reduce-18s-rrna-biosynthesis-in-ht-29-cells
#20
Ibrahim Malami, Ahmad Bustamam Abdul, Rasedee Abdullah, Nur Kartinee Bt Kassim, Rozita Rosli, Swee Keong Yeap, Peter Waziri, Imaobong Christopher Etti, Muhammad Bashir Bello
Uridine-cytidine kinase 2 is an enzyme that is overexpressed in abnormal cell growth and its implication is considered a hallmark of cancer. Due to the selective expression of UCK2 in cancer cells, a selective inhibition of this key enzyme necessitates the discovery of its potential inhibitors for cancer chemotherapy. The present study was carried out to demonstrate the potentials of natural phytochemicals from the rhizome of Alpinia mutica to inhibit UCK2 useful for colorectal cancer. Here, we employed the used of in vitro to investigate the effectiveness of natural UCK2 inhibitors to cause HT-29 cell death...
2017: PloS One
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