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American Journal of Translational Research

Yan-Tao Fu, Hai-Bo Zheng, Le Zhou, Da-Qi Zhang, Xiao-Li Liu, Hui Sun
Tyrosine kinase receptors such as c-Met and its ligands are interesting therapeutic targets that have been reported to be involved in the progression of several types of cancers. Histone deacetylase inhibitor, valproic acid (VPA) is one such compound with promising anti-cancer properties. The current study was designed to evaluate the c-Met activity of VPA in thyroid carcinoma. A total 36 nu/nu mice with SW1736 cells-induced tumours were randomised into three treatment groups (5, 15, 30 mg/kg/day p.o. VPA; n = 9/group)...
2017: American Journal of Translational Research
Raghav Pandey, Sebastian Velasquez, Shazia Durrani, Min Jiang, Michelle Neiman, Jeffrey S Crocker, Joshua B Benoit, Jack Rubinstein, Arghya Paul, Rafeeq Ph Ahmed
In mammals, proliferative capacity of cardiomyocytes is lost soon after birth, while zebrafish and other lower organisms like newts are known to regenerate injured hearts even at an adult age. Here, we show that miR-1825 can induce robust proliferation of adult rat cardiomyocytes and can improve cardiac function in-vivo post myocardial infarction. Rat adult cardiomyocytes transfected with miR-1825 showed a significant increase in DNA synthesis, mitosis, cytokinesis, and an increase in cell number when compared to cel-miR-67 transfected control...
2017: American Journal of Translational Research
Er-Fei Zhang, Zuo-Xu Hou, Tian Shao, Wan-Wan Yang, Bin Hu, Xiao-Xia Wang, Ze-Xin Zhang, Yi Huang, Li-Ze Xiong, Li-Chao Hou
Our study aims to investigate the effects of the inhalation of subanesthestic doses of sevoflurane combined with oxygen on sepsis. Male Sprague-Dawley rats or Male ICR/Km mice underwent caecal ligation and puncture (CLP) or intraperitoneal injection of lipopolysccharide (LPS) to induce sepsis, while sham rats were used as control. Then, rats were treated with the inhalation of sevoflurane in oxygen; and air or 100% oxygen was used as control. Seven-day survival, lung injury and inflammatory factors were assessed...
2017: American Journal of Translational Research
Chunyan Weng, Zhijie Shen, Xiaobo Li, Weihong Jiang, Liping Peng, Hong Yuan, Kan Yang, Jiangang Wang
BACKGROUND: Obesity-induced hypertension (OIH) has a high morbidity and mortality, and its prevention and treatment has been a major challenge in clinical practice. Chemerin is a newly discovered adipokine closely related to OIH. METHODS: Male Wistar rats (8W) were divided into either a high-fat diet or a regular diet group. Body weight and blood pressure were measured every two weeks. After 20 weeks, serum, adipose tissue and aortic arteries were collected. Arterial tensions were detected; Immunohistochemistry, ELISA and Western blotting were used to detect the expression of chemerin, CMKLR1, Rock2 and P-MYPT1 in the aorta and perivascular adipose tissues...
2017: American Journal of Translational Research
Joerg Herold, Steven Nowak, Sawa Kostin, Jan-Marcus Daniel, Alexander Francke, Saravanan Subramaniam, Ruediger C Braun-Dullaeus, Sandip M Kanse
BACKGROUND: Investigations in factor VII activating protease (FSAP)(-/-) mice suggest a role for FSAP in stroke, thrombosis and neointima formation. Here, we analyzed the role of FSAP in vascular remodeling processes related to arteriogenesis and angiogenesis in the mouse hind limb ischemia model. METHODS AND RESULTS: Femoral artery ligation was performed in mice and exogenous FSAP was injected locally to examine its effect on arteriogenesis in the adductor and angiogenesis in the gastrocnemius muscle over 21 days...
2017: American Journal of Translational Research
Dong Yan, Yuan-Yuan Wei, Xiu-Mei Li, Xiu-Chao Sun, Zhong Wang, Haji Akber Aisa
High-calorie food leads to nonalcoholic fatty liver disease (NAFLD) through the dysregulation of genes involved in lipid metabolism, but the precise mechanism is still unknown. Pomegranate flowers are used to treat diabetes mellitus in traditional Uighur medicine. Here we sought to investigate the effect and mechanism of pomegranate flower polyphenols (PFP) on NAFLD Apo E(-/-) mice induced by a high-fat diet (HFD) and whether PFP improves NAFLD through decreasing oxidative stress. PFP supplementation in mice significantly reduced the HFD-induced gains in body weight compared with the mice fed only with HFD...
2017: American Journal of Translational Research
Cuiping Fu, Huan Lu, Xu Wu, Jie Liu, Chengying Liu, Zilong Liu, Wei Yuan, Jian Zhou, Shanqun Li
BACKGROUND: Obstructive sleep apnea-hypopnea syndrome (OSAHS) could cause systematic inflammation including pulmonary inflammatory response, whereas the influence of OSAHS in pulmonary clearance ability remains unknown. The main pathophysiological feature of OSAHS is chronic intermittent hypoxia (CIH). The goal of this study is to clarify the airway clearance of particulate matter (PM) in CIH mice, and to explore the potential mechanism. METHODS: Balb/c mice were divided into a CIH group and a control group, exposed to intermittent hypoxia and air chamber, respectively...
2017: American Journal of Translational Research
Jing Cheng, Xiaosheng Lu, Jianguang Wang, Huina Zhang, Ping Duan, Chunyang Li
Cervical cancer is the second most common malignancy in women worldwide. HPV infections are the leading cause of cervical cancer. Although progress has been made in understanding cervical cancer, knowledge of oncogenic gene clusters that participate in squamous-cell mitosis is still lacking. We performed a computational analysis with qRT-PCR validation of gene expression profiles of cervical cancer tissues. Genes involved in muscle contraction and development were downregulated in cervical cancer tissues, suggesting decreased muscle function in cervical cancer...
2017: American Journal of Translational Research
Zhonghai Xu, Huiqin Bian, Fei Zhang, Rui Mi, Qian Wang, Yaojuan Lu, Qiping Zheng, Junxia Gu
URI is known to act as an oncoprotein in several tumors. Our previous studies have shown that URI is associated with the migration process in cervical and gastric cancer cells, but the mechanisms remain to be determined. Given the fact that URI positively regulates vimentin expression, we therefore investigated how URI regulated vimentin expression affects the migration and invasion of cells from two human cervical cancer cell lines HeLa and C33A, which differentially express URI. We have shown that knock-down of URI in HeLa cells using URI siRNA caused decreased vimentin mRNA and protein levels along with attenuated cell motility...
2017: American Journal of Translational Research
Pei Ma, Chong-Qi Sun, Yan-Fen Wang, Yu-Tian Pan, Qin-Nan Chen, Wei-Tao Liu, Jie Liu, Chen-Hui Zhao, Yong-Qian Shu, Wei Li
Krüppel-like factors (KLFs), such as KLF4, KLF2, KLF5 and KLF15, have been extensively investigated in multi-cancers. However, KLF16, a member of KLFs, hasn't been well identified in cancer, especially in gastric cancer (GC). Here, we investigated the roles of KLF16 in GC. In present study, we found that KLF16 expression levels were significantly up-regulated in GC tissues compared to adjacent normal tissues both in protein and mRNA levels by using immunohistochemistry assays (IHC) and real-time quantitative PCR (qPCR)...
2017: American Journal of Translational Research
Huijing Huang, Deguang Kong, Yu Liu, Qiuxia Cui, Kun Wang, Dan Zhang, Jinli Wang, Maocai Zhai, Jinhua Yan, Cuntai Zhang, Gaosong Wu
Seroma formation is one of the most common complications after modified radical mastectomy. Sapylin is an agent used to reduce seroma formation following breast cancer surgery. In this article, we aimed to identify the potential mechanism by which Sapylin reduced seroma formation. Thirty-six female C57 mice were randomly divided into three groups. All mice were anaesthetized and a skin flap was generated on their abdomens. Each group was treated with normal saline, 0.5 KE/ml of Sapylin, or 50% hypertonic glucose, respectively...
2017: American Journal of Translational Research
Xuepei Tang, Sisi Yu, Yaohan Yu, Haibo Ren, Shuhao Li, Li Zhou, Zhen Yang, Hailong Wu, Wei Zhou, Lianggeng Gong
Ventricular arrhythmia (VA) in structurally normal heart is considered as benign. However, these arrhythmias have been recently reported to induce left ventricular (LV) dysfunction. Up to now, there is no efficacious method to detect abnormal myocardial systolic function in VA patients. Therefore, in the current study, we used cardiac magnetic resonance feature tracking (CMR-FT) on balanced steady state free precision (SSFP) cine images to investigate LV myocardial strain in 42 VA patients without known heart disease as well as in 29 normal volunteers...
2017: American Journal of Translational Research
Yi Zhuang, Hanyi Jiang, Hui Li, Jinhong Dai, Yin Liu, Yan Li, Liyun Miao, Hourong Cai, Yonglong Xiao, Hongping Xia, Yongsheng Wang, Mingke Shi
An increasing number of deregulated long non-coding RNAs (lncRNA) have been implicated in cancer in humans, suggesting that lncRNAs may be involved in tumorigenesis or tumor progression. In previous investigations, lncRNA, AFAP1-AS1 has been found to be associated with several cancers, including nasopharyngeal carcinoma, lung cancer and esophageal adenocarcinoma. However, the function of AFAP1-AS1 in lung cancer has not been reported. In our present study, we found that AFAP1-AS1 was overexpressed in lung adenocarcinoma and associated with survival time...
2017: American Journal of Translational Research
Yu Ding, Bo-Hou Xia, Cai-Juan Zhang, Guang-Chao Zhuo
Polycystic ovary syndrome (PCOS) is a very common endocrine disorder affecting women of reproductive age. Insulin resistance (IR), a central component of this disease, occurs in 30%-40% of women with PCOS. To date, the molecular mechanism underlying PCOS-IR remains largely unknown. Most recently, increasing evidence has shown that mitochondrial dysfunction caused by mitochondrial DNA (mtDNA) mutations plays important roles in the pathogenesis of PCOS-IR. To identify the contribution of mitochondrial tRNA (mt-tRNA) mutations in this disease, we screened 80 women with PCOS-IR and 50 healthy control participants for mt-tRNA mutations...
2017: American Journal of Translational Research
Jinling Fu, Jingxue Jiao, Kechao Weng, Dan Yu, Ruijun Li
PURPOSE: Methanol exposure have been shown to produce retinal abnormalities and visual dysfunctions in rodents and other mammals developing in utero. In this study, we characterized how methanol affects the retinal development in an ex utero embryonic system, the zebrafish. METHODS: Zebrafish embryos were raised for 24 hours in fish water supplemented with various concentrations of methanol at 6 hours after fertilisation. The effects of methanol on retinal morphology were assessed by histologic and immunohistochemical analyses...
2017: American Journal of Translational Research
Qifeng Luo, Heying Liu, Zhenyu Zhang, Shiva Basnet, Zhenling Dai, Shuping Li, Yuxiang Wang, Bin Xu, Haiyan Ge
The purpose of this study is to evaluate possible antitumor activity of a dual-regulated oncolytic adenovirus carrying the TAp63 gene on colorectal cancer. The recombinant virus Ad-survivin-ZD55-TAp63 was constructed by inserting the TAp63 gene into the dual-regulated pshuttle-survivin-ZD55 vector. RT-PCR and western blot assays were used to verify the recombinant virus Ad-survivin-ZD55-TAp63. Crystal violet staining was carried out to detect the cytopathic effect of Ad-survivin-ZD55-TAp63 in human colorectal cancer cell line HCT-116 and normal liver cell line L-O2...
2017: American Journal of Translational Research
Da-Peng Li, Juan Fan, Yong-Jun Wu, Yu-Feng Xie, Juan-Min Zha, Xiu-Min Zhou
It has previously been reported that microRNA (miR)-155 is linked to the recurrence and prognosis of hepatocellular carcinoma (HCC) following liver transplantation. However, the role of miR-155 in the invasion and metastasis of HCC cells remains largely unclear. The aim of this study was to investigate the expression of miR-155 in HCC cells and its role in the invasion and migration of HCC cells in vitro. We found that the level of expression of miR-155 in HCC tissues and cells was significantly increased compared with non-tumorous adjacent tissues...
2017: American Journal of Translational Research
Jianlin Liang, Boshui Huang, Guiyi Yuan, Ying Chen, Fasheng Liang, Huayuan Zeng, Shaoxin Zheng, Liang Cao, Dengfeng Geng, Shuxian Zhou
Mechanotransduction is the conversion of extracellular mechanical stimuli into intracellular biochemical signals, and plays an important role in heart responses to its own mechanical environment. Piezo1 as a distinct stretch-activated channel (SAC) in mammal involves in not only vascular remodeling during embryonic development but also arterial remodeling upon to hypertension at adult stage. In the present study, the expression of Piezo1 was up-regulated in failure heart induced by myocardial infarction (MI) by real-time PCR, Western blot and immunohistochemistry analysis...
2017: American Journal of Translational Research
Yaoting Ji, Yongxin Ke, Song Gao
Stimulatory and inhibitory effects of Notch signaling pathway on osteogenesis were both widely reported, questioning the effectiveness of small molecules targeting the Notch pathway for prevention or treatment of bone loss diseases. Here we showed that Notch signaling is activated in osteocytes embedded within the mineralized matrix and in late stages of bone marrow mesenchymal cell osteogenic cultures. Inhibition of Notch signaling markedly reduced mineralization activities of bone marrow mesenchymal cells and inhibited expressions of mineralization-associated genes when Notch ligand Jagged1 was conditionally deleted, confirming the essential roles of Notch signaling in mineralization stages of osteoblast differentiation...
2017: American Journal of Translational Research
Xiang Zhong, Yue Ju Tu, Yi Li, Ping Zhang, Wei Wang, Sha Sha Chen, Li Li, Arthur Ck Chung, Hui Yao Lan, Hai Yong Chen, Gui Sen Li, Li Wang
WNT1-inducible signaling pathway protein-1 (WISP-1) is an extracellular matrix-related protein that plays multiple roles in cellular physiology and pathology. Accumulating evidence shows that WISP-1 is involved in the process underlying fibrotic diseases. However, the correlation between WISP-1 and renal fibrosis is unknown. In this study, we hypothesized that WISP-1 levels might be correlated with renal fibrosis and could be used as a noninvasive biomarker to screen for renal fibrosis in patients with chronic kidney disease (CKD)...
2017: American Journal of Translational Research
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