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Mei Hua Gao

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https://www.readbyqxmd.com/read/28821565/down-regulation-of-xiap-enhances-the-radiosensitivity-of-esophageal-cancer-cells-in-vivo-and-in-vitro
#1
Xin Wen, Xin-Rui Han, Shao-Hua Fan, Zi-Feng Zhang, Lu Chen, Gao Yi, Dong-Mei Wu, Jun Lu, Yuan-Lin Zheng
The study investigated the effects of XIAP gene silencing on the radiosensitivity of esophageal cancer (EC) cells. Western blotting was used to select EC cell lines with XIAP overexpression. Selected EC9706 and KYSE30 cell lines were both divided into four groups: the blank control group, the negative control (NC) group (transfected with pBSHH1), the siRNA-enhanced group (transfected with pBSHH1-XIAP1-siRNA), and the siRNA-decreased group (transfected with pBSHH1-XIAP2-siRNA). Expressions of XIAP were measured by reverse transcription quantitative polymerase chain reaction (RT-qPCR) and Western blotting, cell survival and viability by MTT assay and colony formation assay, and cell apoptosis by flow cytometry, respectively...
August 18, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28821253/evidence-based-anti-osteoporosis-effects-of-periplaneta-americana-l-on-osteoblasts-osteoclasts-vascular-endothelial-cells-and-bone-marrow-derived-mesenchymal-stem-cells
#2
Yan-Fen Huang, Long-Jian Li, Si-Qian Gao, Yang Chu, Jie Niu, Fu-Neng Geng, Yong-Mei Shen, Li-Hua Peng
BACKGROUND: Kangfuxin (KFX) is the ethanol extract of Periplaneta americana L, which has been widely used in the Traditional Chinese Medicine for the repair and regeneration of injured organ and tissues with long history. This study is to investigate the influence of KFX in the various cellular activities and evaluate the anti-osteoporosis potential of KFX. METHODS: The influence of the KFX in the cellular activities, including: 1) migration, osteocalcin secretion of osteoblasts; 2) apoptosis of osteoclasts; 3) migration and tube formation of human umbilical vein endothelial cell (HUVEC); and 4) proliferation, cell cycle regulation and migration of bone marrow mesenchymal stem cells (BMSCs), were investigated systematically...
August 18, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28816569/effect-of-cyclic-uniaxial-compressive-stress-on-human-dental-pulp-cells-in-vitro
#3
Hui Yang, Yi-Xuan Shu, Lin-Yan Wang, Wen-Ling Zou, Li-Yang Guo, Mei-Ying Shao, Qian-Hua Gao, Tao Hu
PURPOSE: Teeth are exposed to various forces during functional and parafunctional movements. These processes inevitably affect the dental pulp, and the mechanism of these influences has been the subject of many previous studies using different apparatuses and obtaining different results. In this study, we aimed to investigate the effects of compressive stress on the proliferation and differentiation of human dental pulp cells (hDPCs). MATERIALS AND METHODS: A four-point bending strain system was adopted to apply low-density cyclic uniaxial compressive stress (2,000 µstrain, 0...
August 17, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28811139/metabonomics-approach-to-assessing-the-metabolism-variation-and-gender-gap-of-drosophila-melanogaster-in-aging-process
#4
Yu-Zhi Zhou, Ming-Liang Yan, Li Gao, Jian-Qin Zhang, Xue-Mei Qin, Xiang Zhang, Guan-Hua Du
Drosophila melanogaster is increasingly used for study aging mechanism and evaluating anti-aging drugs, but the changes of metabolites and differences of metabolites change between male and female during the aging process are not well known. Metabolomics technology, a massive information provider, has promoted the understanding of metabolic profile and overall changes of metabolites in organism. In this study, (1)H NMR based metabonomics was employed to investigate the dynamic changes of metabolites in whole bodies of male and female Drosophila melanogaster at 3, 15, 30, 45days and to research the gender gap of metabolites changes in aging process...
August 12, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28799539/srsf1-promotes-vascular-smooth-muscle-cell-proliferation-through-a-%C3%AE-133p53-egr1-klf5-pathway
#5
Ning Xie, Min Chen, Rilei Dai, Yan Zhang, Hanqing Zhao, Zhiming Song, Lufeng Zhang, Zhenyan Li, Yuanqing Feng, Hua Gao, Li Wang, Ting Zhang, Rui-Ping Xiao, Jianxin Wu, Chun-Mei Cao
Though vascular smooth muscle cell (VSMC) proliferation underlies all cardiovascular hyperplastic disorders, our understanding of the molecular mechanisms responsible for this cellular process is still incomplete. Here we report that SRSF1 (serine/arginine-rich splicing factor 1), an essential splicing factor, promotes VSMC proliferation and injury-induced neointima formation. Vascular injury in vivo and proliferative stimuli in vitro stimulate SRSF1 expression. Mice lacking SRSF1 specifically in SMCs develop less intimal thickening after wire injury...
August 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/28767701/cardiac-directed-expression-of-a-catalytically-inactive-adenylyl-cyclase-6-protects-the-heart-from-sustained-%C3%AE-adrenergic-stimulation
#6
Mei Hua Gao, N Chin Lai, Dimosthenis Giamouridis, Young Chul Kim, Tracy Guo, H Kirk Hammond
OBJECTIVES: Increased expression of adenylyl cyclase type 6 (AC6) has beneficial effects on the heart through cyclic adenosine monophosphate (cAMP)-dependent and cAMP-independent pathways. We previously generated a catalytically inactive mutant of AC6 (AC6mut) that has an attenuated response to β-adrenergic receptor stimulation, and, consequently, exhibits reduced myocardial cAMP generation. In the current study we test the hypothesis that cardiac-directed expression of AC6mut would protect the heart from sustained β-adrenergic receptor stimulation, a condition frequently encountered in patients with heart failure...
2017: PloS One
https://www.readbyqxmd.com/read/28705466/serum-folic-acid-levels-are-associated-with-the-presence-and-severity-of-liver-steatosis-in-chinese-adults
#7
Ming-Feng Xia, Hua Bian, Xiao-Peng Zhu, Hong-Mei Yan, Xin-Xia Chang, Lin-Shan Zhang, Huan-Dong Lin, Xi-Qi Hu, Xin Gao
BACKGROUND & AIMS: Non-alcoholic fatty liver disease (NAFLD) is a common and strong risk factor for cardiovascular disease and hepatocellular carcinoma. The rapid acceleration of the increase in NAFLD prevalence has exceeded the trends observed for obesity, and has been driven by multiple factors. The aim of this study was to investigate the correlation between the serum levels of folic acid, the endogenous source of methyl groups for DNA methylation, and NAFLD in Chinese adults. METHODS: The correlations between the serum folic acid levels and NAFLD were investigated in two independent cohorts of 70 subjects who underwent a liver biopsy and 130 subjects with varying liver fat contents, as measured using proton magnetic resonance spectroscopy ((1)H-MRS)...
June 28, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28692886/synthesis-and-characterization-of-oxidovanadium-complexes-as-enzyme-inhibitors-targeting-dipeptidyl-peptidase-iv
#8
Ming-Jin Xie, Ming-Rong Zhu, Chun-Mei Lu, Yi Jin, Li-Hui Gao, Ling Li, Jie Zhou, Fan-Fang Li, Qi Hua Zhao, Hong-Ke Liu, Peter J Sadler, Carlos Sanchez-Cano
Two oxidovanadium(IV) complexes carrying Schiff base ligands obtained from the condensation of 4,5-dichlorobenzene-1,2-diamine and salicylaldehyde derivatives were synthesised and characterised, including their X-ray crystallographic structures. They were evaluated as dipeptidyl peptidase IV (DPP-IV) inhibitors for the treatment of type 2 diabetes. These compounds were moderate inhibitors of DPP-IV, with IC50 values of ca. 40μM. In vivo tests showed that complexes 1 and 2 could lower significantly the level of glucose in the blood of alloxan-diabetic mice at doses of 22...
June 29, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28679329/autoantibodies-against-%C3%AE-1-adrenergic-receptor-response-to-induction-therapy-with-bortezomib-containing-regimens-for-multiple-myeloma-patients
#9
Wen Gao, Wen-Jia Guo, Dong-Yan Hou, Guang-Zhong Yang, Yin Wu, Yan-Chen Li, Yun Leng, Yu Tang, Lin Xu, Jia-Mei Liu, Hua Wang, Xin Wang, Juan Zhang, Wen-Shu Zhao, Wen-Ming Chen, Lin Zhang
This study aims to investigate the predictive value of pre-chemotherapy β1R-AABs by evaluating the response of newly diagnosed symptomatic multiple myeloma (MM) patients to their treatment with a bortezomib-containing regimen. Forty-five de novo MM patients and 50 normal controls (NCs) were prospectively enrolled in this study. Serum titers of β1R-AABs were detected by ELISA. These 45 MM patients were divided into two groups (positive and negative groups) according to their β1R-AABs. Follow-up examinations were performed on these patients during chemotherapy induction...
July 6, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28670631/cardiac-directed-expression-of-adenylyl-cyclase-catalytic-domain-reverses-cardiac-dysfunction-caused-by-sustained-beta-adrenergic-receptor-stimulation
#10
Mei Hua Gao, N Chin Lai, Dimosthenis Giamouridis, Young Chul Kim, Zhen Tan, Tracy Guo, Wolfgang H Dillmann, Jorge Suarez, H Kirk Hammond
OBJECTIVE: To test the hypothesis that cardiac-directed expression of the cytoplasmic domains of adenylyl cyclase-6 (AC6) would have beneficial effects on the heart. BACKGROUND: Eliminating the two transmembrane domains of AC6 yields a protein with an intact catalytic domain that is disengaged from membrane-associated β-adrenergic receptor stimulation, but with enhanced propensity for intracellular interactions. METHODS: We constructed a peptide of the C1 and C2 segments of AC6 (C1C2), expressed C1C2 in an adenovirus vector and generated transgenic lines with cardiac-directed C1C2 expression, which underwent sustained isoproterenol (Iso) infusion...
December 2016: JACC. Basic to Translational Science
https://www.readbyqxmd.com/read/28668375/transient-receptor-potential-melastatin-2-channels-trpm2-mediate-neonatal-hypoxic-ischemic-brain-injury-in-mice
#11
Sammen Huang, Ekaterina Turlova, Feiya Li, Mei-Hua Bao, Vivian Szeto, Raymond Wong, Ahmed Abussaud, Haitao Wang, Shuzhen Zhu, Xinzheng Gao, Yasuo Mori, Zhong-Ping Feng, Hong-Shuo Sun
Transient receptor potential melastatin 2 (TRPM2), a calcium-permeable non-selective cation channel, is reported to mediate brain damage following ischemic insults in adult mice. However, the role of TRPM2 channels in neonatal hypoxic-ischemic brain injury remains unknown. We hypothesize that TRPM2(+/-) and TRPM2(-/-) neonatal mice have reduced hypoxic-ischemic brain injury. To study the effect of TRPM2 on neonatal brain damage, we used 2,3,5-triphenyltetrazolium chloride (TTC) staining to assess the infarct volume and whole brain imaging to assess morphological changes in the brain...
June 29, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28662902/the-use-of-electronic-neutral-penetrating-peptides-cyclosporin-a-to-deliver-pro-apoptotic-peptide-a-possibly-better-choice-than-positively-charged-tat
#12
Wei Gao, Xiucong Yang, Zhiqiang Lin, Bing He, Dong Mei, Dan Wang, Haoran Zhang, Hua Zhang, Wenbing Dai, Xueqing Wang, Qiang Zhang
Cell-penetrating peptides (CPPs) are increasingly important in transporting macromolecules across cell membranes, but their use remains confined to narrow clinical applications due to the systemic toxicity induced by their positive charges. Several newly discovered electronic neutral penetrating peptides are not attracting much attention because their penetrating capacity is normally far less powerful than cationic or amphiphilic CPPs. In this study, we found the electronic neutral cyclic peptide cyclosporin A (CsA) exhibited 5...
September 10, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28655015/effect-of-acupuncture-and-clomiphene-in-chinese-women-with-polycystic-ovary-syndrome-a-randomized-clinical-trial
#13
RANDOMIZED CONTROLLED TRIAL
Xiao-Ke Wu, Elisabet Stener-Victorin, Hong-Ying Kuang, Hong-Li Ma, Jing-Shu Gao, Liang-Zhen Xie, Li-Hui Hou, Zhen-Xing Hu, Xiao-Guang Shao, Jun Ge, Jin-Feng Zhang, Hui-Ying Xue, Xiao-Feng Xu, Rui-Ning Liang, Hong-Xia Ma, Hong-Wei Yang, Wei-Li Li, Dong-Mei Huang, Yun Sun, Cui-Fang Hao, Shao-Min Du, Zheng-Wang Yang, Xin Wang, Ying Yan, Xiu-Hua Chen, Ping Fu, Cai-Fei Ding, Ya-Qin Gao, Zhong-Ming Zhou, Chi Chiu Wang, Tai-Xiang Wu, Jian-Ping Liu, Ernest H Y Ng, Richard S Legro, Heping Zhang
Importance: Acupuncture is used to induce ovulation in some women with polycystic ovary syndrome, without supporting clinical evidence. Objective: To assess whether active acupuncture, either alone or combined with clomiphene, increases the likelihood of live births among women with polycystic ovary syndrome. Design, Setting, and Participants: A double-blind (clomiphene vs placebo), single-blind (active vs control acupuncture) factorial trial was conducted at 21 sites (27 hospitals) in mainland China between July 6, 2012, and November 18, 2014, with 10 months of pregnancy follow-up until October 7, 2015...
June 27, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28643424/mdm2-is-implicated-in-high-glucose-induced-podocyte-mitotic-catastrophe-via-notch1-signalling
#14
Hui Tang, Chun-Tao Lei, Chen Ye, Pan Gao, Cheng Wan, Shan Chen, Fang-Fang He, Yu-Mei Wang, Hua Su, Chun Zhang
Podocyte injury and depletion are essential events involved in the pathogenesis of diabetic nephropathy (DN). As a terminally differentiated cell, podocyte is restricted in 'post-mitosis' state and unable to regenerate. Re-entering mitotic phase will cause podocyte disastrous death which is defined as mitotic catastrophe (MC). Murine double minute 2 (MDM2), a cell cycle regulator, is widely expressed in renal resident cells including podocytes. Here, we explore whether MDM2 is involved in podocyte MC during hyperglycaemia...
June 23, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28637244/elevated-homocysteine-increases-the-risk-of-left-atrial-left-atrial-appendage-thrombus-in-non-valvular-atrial-fibrillation-with-low-cha2ds2-vasc-score
#15
Yan Yao, Mei-Sheng Shang, Li-Jian Gao, Jing-Hua Zhao, Xiao-Hui Yang, Tong Liu, Ri-Bo Tang, Chen-Xi Jiang, De-Yong Long, Man Ning, Hui Zhu, Qiang Lv, Rong Hu, Xin Du, Jian-Zeng Dong
Aims: To assess the association and the predictive value of plasma homocysteine (Hcy) levels with LA/LAA thrombus in non-valvular Atrial fibrillation (AF) patients with low CHA2DS2-VASc score. Methods and results: Eight hundred and eighty-eight consecutive patients in non-valvular AF with CHA2DS2-VASc score of 0 and 1 were enrolled. All patients routinely underwent transthoracic echocardiography and transoesophageal echocardiography. A total of thirty-two patients had LA/LAA thrombus...
June 16, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28609441/workplace-violence-against-medical-staff-of-chinese-children-s-hospitals-a-cross-sectional-study
#16
Zhe Li, Chun-Mei Yan, Lei Shi, Hui-Tong Mu, Xin Li, An-Qi Li, Cheng-Song Zhao, Tao Sun, Lei Gao, Li-Hua Fan, Yi Mu
BACKGROUND: In China, medical staff of children's hospitals are commonly exposed to violence. However, few studies on medical violence are conducted in the settings of children's hospitals. The aim of this study is to assess the incidence, magnitude, consequences, and potential risk factors of workplace violence (WPV) against medical staff of children's hospitals. METHODS: A retrospective cross-sectional design was used. A self-administered questionnaire was utilized to collect data on 12 children's hospitals...
2017: PloS One
https://www.readbyqxmd.com/read/28548620/baicalein-exerts-beneficial-effects-in-d-galactose-induced-aging-rats-through-attenuation-of-inflammation-and-metabolic-dysfunction
#17
Dan-Dan Duan, Ke Xin Wang, Yu-Zhi Zhou, Xue-Mei Qin, Li Gao, Guan-Hua Du
Baicalein is a flavonoid isolated from the roots of Scutellaria baicalensis Georgi. This study aimed to ascertain the effects and potential underlying mechanisms of baicalein in D-galactose induced aging rat model by integration of behavior examination, biochemical detection and 1H NMR based metabolomic approach. Our findings suggest that baicalein significantly attenuated memory decline in D-galactose induced aging model, as manifested by increasing recognition index in novel object recognition test, shortening latency time and increasing platform crossings in morris water maze test...
May 26, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28526880/prognostic-relevance-of-uch-l1-and-%C3%AE-internexin-in-pancreatic-neuroendocrine-tumors
#18
Yu-Li Song, Run Yu, Xin-Wei Qiao, Chun-Mei Bai, Chong-Mei Lu, Yu Xiao, Ding-Rong Zhong, Jie Chen, Yu-Pei Zhao, Tai-Ping Zhang, Tian-Tian Song, He-Li Gao, Ying-Hua Wan, Lin Shen, Jie Chen, Bin Lv, Jian-Jiang Hao, Ye Zhang, Laura Tang, Yuan-Jia Chen
Prognostic biomarkers for the pancreatic neuroendocrine tumors are needed. Proteomic study on insulinoma has been rarely reported. We identified the differential expression of proteins between insulinoma and their paired tissues by proteomic analysis, and evaluated the prognostic significance of specific proteins in pancreatic neuroendocrine tumors including insulinoma. The differential expression of select proteins was validated in more than 300 tumors using immunohistochemical staining and western blot. Methylation of UCH-L1 promoter in tumors was examined by methylation specific PCR and validated by sequencing...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28523534/idiosyncratic-drug-induced-liver-injury-linked-to-polygonum-multiflorum-a-case-study-by-pharmacognosy
#19
Chun-Yu Li, Qin He, Dan Gao, Rui-Yu Li, Yun Zhu, Hui-Fang Li, Wu-Wen Feng, Mei-Hua Yang, Xiao-He Xiao, Jia-Bo Wang
No abstract text is available yet for this article.
August 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28438669/the-effects-of-chinese-medicines-on-camp-pka-signaling-in-central-nervous-system-dysfunction
#20
REVIEW
Lin Li, Xiang Fan, Xi-Ting Zhang, Shao-Qian Yue, Zuo-Yan Sun, Jin-Qiang Zhu, Jun-Hua Zhang, Xiu-Mei Gao, Han Zhang
Neuropathological injury in the mammalian adult central nervous system (CNS) may cause axon disruption, neuronal death and lasting neurological deficits. Failure of axon regeneration is one of the major challenges for CNS functional recovery. Recently, the cAMP/PKA signaling pathway has been proven to be a critical regulator for neuronal regeneration, neuroplasticity, learning and memory. Also, previous studies have shown the effects of Chinese medicines on the prevention and treatment of CNS dysfunction mediated in part by cAMP/PKA signaling...
June 2017: Brain Research Bulletin
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