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American Journal of Translational Research

Yiming Wang, Jifei Chen, Wenshuai Fan, Jing Zhang, Bingxuan Hua, Bolin Sun, Liang Zhu, Xinhao Niu, Zuoqin Yan, Changan Guo
The clinical translation of tissue engineering methods is confined by the limited external cell sources, which is hopefully to be addressed by the cell guidance approach as cytokine-induced homing and differentiation of the patients' autologous cells. Synovium-derived stem cells (SDSCs) are a potent cell source for cartilage restoration due to its intrinsic proximity and tissue-specific chondrogenic capacity. In this study, stromal cell-derived factor-1α (SDF-1α) in combination with transforming growth factor β1 (TGF-β1) were used to induce SDSCs migration and chondrogenesis in vitro...
2017: American Journal of Translational Research
Zheng Cai, Yongxiang Zou, Hongkang Hu, Chengyin Lu, Wei Sun, Lei Jiang, Guohan Hu
RIZ1 has been considered as an important tumor suppressor gene. Our previous studies have already demonstrated that the expression of RIZ1 is closely related to the occurrence and development of meningioma. In addition, we also found that the expression of UbcH10 was related to the pathologic grade of meningioma which also affected the prognosis of these patients. However, we are lack of the understanding of the effect of UbcH10 on cell proliferation, cell apoptosis, cell cycle and other functions in meningioma cells...
2017: American Journal of Translational Research
Long-Jiang Zhang, Zhe Su, Xia Liu, Li Wang, Qin Zhang
This study reports a case of Peutz-Jeghers syndrome with early onset of gynecomastia, and discusses its clinical characteristics and genetic changes in a family. The clinical characteristics of a child diagnosed with Peutz-Jeghers syndrome in our hospital and his parents were summarized, and related genes were detected in the child and his parents. Furthermore, the therapeutic effect of letrozole was also observed. A five-year-and-three-month-old male patient visited a doctor due to "progressive painless enlargements at bilateral breast for more than two years"...
2017: American Journal of Translational Research
Yong-Da Liu, Zhi-Bin Wang, Guang Han, Ping Zhao
Peripheral neuropathic pain is a complex disease, and treated based on underlying diseases. Emerging evidences suggest that hyperbaric oxygen alleviates neuropathic pain. However, its cellular and molecular mechanism on pain relief is unknown. We hypothesize that hyperbaric oxygen alleviates neuropathic pain via activating autophagy flux and inhibiting mTOR pathway. Hyperbaric oxygen effectively inhibited nerve injury induced autophagy impairment and mTOR pathway activation in a rat spinal nerve ligation (SNL) model...
2017: American Journal of Translational Research
Peiheng He, Xing Li, Shuai Huang, Minghao Liu, Weizhi Chen, Dongliang Xu
The recent interest in bicruciate-retaining prostheses has aimed to address the need for an implant that can mimic a natural knee. Arguments have always existed about survivorship, including loosening and subsidence, as well as tibial preparation in bicruciate-retaining tibial prostheses. The aim of this study was to investigate the biomechanics of a new modular design and other bicruciate-retaining designs using a three-dimensional finite element model under different load conditions to discover which prosthesis was more suitable...
2017: American Journal of Translational Research
Qing-Yun Zhou, Chao-Yong Tu, Chu-Xiao Shao, Wu-Ke Wang, Jing-De Zhu, Ying Cai, Jia-Yan Mao, Wei Chen
Hypoxia is common in solid tumors and results in the activation of hypoxia-response genes. Hypoxia-inducible factor-1α (HIF-1α) is thought to reflect major cellular adaptation to hypoxia and contributes to chemoresistance in various tumors including hepatocellular carcinoma (HCC). N1-guanyl-1,7-diaminoheptane (GC7) is an inhibitor which suppresses the active eukaryotic translation initiation factor 5A-2 (eIF5A2), preventing epithelial-mesenchymal transition (EMT) in chemoresistance. In this study, we investigated the role of GC7 in the therapeutic effect of doxorubicin in hypoxia in HCC...
2017: American Journal of Translational Research
Li Zhang, Xiao-Yan Wang, Peng-Jun Zhou, Zhe He, Hai-Zhao Yan, Dan-Dan Xu, Ying Wang, Wu-Yu Fu, Bi-Bo Ruan, Sheng Wang, Hai-Xuan Chen, Qiu-Ying Liu, Yu-Xia Zhang, Zhong Liu, Yi-Fei Wang
Rheumatoid arthritis is a chronic and systemic autoimmune disease characterized by inflammatory cell infiltration and joint erosion. Human adipose-derived mesenchymal stem cells (hASCs) have shown the capacity of suppressing effector T cell activation and inflammatory cytokine expression. We investigated whether hASCs play a therapeutic role in collagen-induced arthritis (CIA) by administering a single dose of hASCs in mice with established CIA. In vivo, a beneficial effect was observed following hASC infusion as shown by a marked decrease in the severity of arthritis...
2017: American Journal of Translational Research
Lulu Chen, Yuqing Jin, Xiaonan Yang, Zhangyin Liu, Yang Wang, Gangyang Wang, Zuoliang Qi, Zunli Shen
Schwann cells can be used to promote peripheral nerve repair. However, it is challenging to obtain abundant autologous Schwann cells without sacrificing nerve integrity. In this study, we isolated Schwann cells from murine inguinal adipose tissue and identified the cell phenotype and function in vivo and in vitro. Through H&E and immunofluorescence staining, we detected tiny nerve fibers and Schwann cells in adipose tissue. We evaluated the phenotype of spindle-shaped cells (Schwann cell-like cells, SCLCs) isolated from adipose tissue using immunofluorescence staining and real-time RT-PCR...
2017: American Journal of Translational Research
Zhitao Han, Ting Wang, Shuai Han, Yuanming Chen, Tianrui Chen, Qi Jia, Bo Li, Binbin Li, Jing Wang, Guanghui Chen, Ge Liu, Haiyi Gong, Haifeng Wei, Wang Zhou, Tielong Liu, Jianru Xiao
Transmembrane protein 100 (TMEM100) was first identified as a transcript from the mouse genome. Recent studies have demonstrated that TMEM100 is involved in hepatocellular carcinoma (HCC) malignancy. However, the distribution and clinical significance of TMEM100 in non-small-cell lung carcinoma (NSCLC) remains poorly understood. This study aims to explore the significance of TMEM100 expression in NSCLC. We found that TMEM100 expression was significantly reduced in NSCLC tissues when compared with that in adjacent normal lung tissues (P<0...
2017: American Journal of Translational Research
Chih-Chao Yang, Hon-Kan Yip, Kuan-Hung Chen, Cheuk-Kwan Sun, Yen-Ta Chen, Han-Tan Chai, Pei-Hsun Sung, Hsin-Ju Chiang, Sheung-Fat Ko, Sheng-Ying Chung, Chih-Hung Chen, Kun-Chen Lin, Pao-Yuan Lin, Jiunn-Jye Sheu
Although chronic kidney disease (CKD) is known to aggravate cardiovascular disease in the setting of cardiorenal syndrome (CRS), the impact of impaired cardiac function on the progression of CKD has seldom been reported. This study tested the impact of acute myocardial infarction on a rodent CKD model and the therapeutic effect of valsartan in this setting. Adult male Sprague-Dawley rats (n = 50) equally divided into group 1 (sham control), group 2 (CKD induced by 5/6 nephrectomy), group 3 (AMI by ligation of left coronary artery), group 4 (CKD+AMI), group 5 (CKD+AMI+valsartan, orally 10 mg/kg/day)...
2017: American Journal of Translational Research
Zhen-Yu Gong, Zhi-Qiang Yuan, Zhi-Wei Dong, Yi-Zhi Peng
Severe burns may lead to intestinal inflammation and oxidative stress resulting in intestinal barrier damage and gut dysfunction. In the management of severe burns, therapies are needed to attenuate whole-body inflammatory responses and control the burden of oxidative stress. In this study, we evaluated the effects of oral glutamine (Gln) with probiotics on burn-induced intestinal inflammation and oxidative stress using a Wistar rat burn injury model. We then explored potential molecular mechanisms for the effects of glutamine and probiotics on intestinal tissue inflammation and oxidative stress...
2017: American Journal of Translational Research
Houyong Zhu, Yu Ding, Xiaoqun Xu, Meiya Li, Yangliang Fang, Beibei Gao, Hengyi Mao, Guoxin Tong, Liang Zhou, Jinyu Huang
Prostaglandin E1 (PGE1) is used as a pretreatment for ischemia reperfusion injury in many biological systems. However, its value as a pretreatment for coronary microembolization (CME) is unknown. The goal of this study was to determine whether PGE1 would protect against CME. In a CME rat model, we observed microthrombi and early myocardial ischemia, with endothelium appearing exfoliated and mitochondria having irregular morphology and decreased internal complexity. The level of fibrinogen-like protein 2 prothrombinase was increased and superoxide dismutase and catalase levels were decreased...
2017: American Journal of Translational Research
Kai Quan, Xin Zhang, Kun Fan, Peixi Liu, Qi Yue, Bo Li, Jinfeng Wu, Baojun Liu, Yang Xu, Wei Hua, Wei Zhu
Glioblastoma multiforme (GBM) is the most common primary malignant brain tumor, and currently chemotherapeutic options for GBM are very limited. Given the poor prognosis, the development of novel anti-GBM agents is quite urgent. Using two human glioma cells (U87 and A172 cells), we demonstrated that Icariside II (ICA II), an active flavonoid compound derived from Epimedium koreanum, could inhibit GBM cell growth in a dose dependent manner. Wound healing data suggested that ICA II also inhibited the migration of human glioma cells...
2017: American Journal of Translational Research
Xin Xie, Wenbin Rui, Wei He, Yuan Shao, Fukang Sun, Wenlong Zhou, Yuxuan Wu, Yu Zhu
Discoidin domain receptor 1 (DDR1) is a receptor tyrosine kinase which utilizes collagen as a ligand to regulate the interaction between cancer cells and tumor stroma. However, the clinical relevance of DDR1 expression in bladder cancer as well as its molecular regulation have not been previously investigated. Here, we assessed the role of DDR1 in bladder cancer. The DDR1 levels in bladder cancer specimens were examined by Western blot, compared to the paired adhesive normal controls. The effects of DDR1 were explored on both cell migration in bladder cancer cells and tumor growth as xenograft...
2017: American Journal of Translational Research
Bingke Lv, Tian Hua, Feng Li, Jianbang Han, Jie Fang, Limin Xu, Chengmei Sun, Zhongfei Zhang, Zhiming Feng, Xiaodan Jiang
Mesenchymal stem cell (MSC) transplantation is a promising therapeutic strategy for myocardial infarction. The survival rate of the grafted MSCs is limited by the conditions of hypoxia and low nutrient levels. In this study, we investigated the role of hypoxia-inducible factor 1 alpha (Hif-1α) in oxygen-glucose deprivation (OGD)-induced injury in MSCs. Hif-1α was overexpressed or suppressed in MSCs by transfection with a Hif-1α expressing vector or Hif-1α-specific siRNA, respectively. Then MSCs were exposed to OGD, and the changes in cell viability, cell cycle distribution and apoptosis were respectively monitored by MTT assay and flow cytometry...
2017: American Journal of Translational Research
Xing Chen, Feng Long, Bin Cai, Xiaohong Chen, Gang Chen
Familial clustering of schizophrenia (SCZ), bipolar disorder (BPD), and major depressive disorder (MDD) was systematically reported (Aukes, M. F. Genet Med 2012, 14, 338-341) and any two or even three of these disorders could co-exist in some families. In addition, evidence from symptomatology and psychopharmacology also imply that there are intrinsic connections between these three major disorders. A total of 56,569 single nucleotide polymorphism (SNPs) on chromosome 5 were genotyped by Affymetrix Genome-Wide Human SNP array 6...
2017: American Journal of Translational Research
Wenjie Zeng, Qianqian Wang, Lifeng Chen, Lu Huang, Xiaofeng Zhao
Extracts derived from Physalis pubescens L. may function as cancer therapies. The pharmacological effects of PP31J on human cervical carcinoma cells (HeLa cells) were investigated in this study. HeLa cells were treated with PP31J, and then cell proliferation, apoptosis, and cell cycle distribution were measured using a cell counting kit-8 (CCK-8) assay and flow cytometry. Protein expression levels of regulators of cell apoptosis and cell cycle were also examined using western blotting. Our data show that PP31J inhibited the growth of HeLa cells...
2017: American Journal of Translational Research
Jinping Guan, Zimin Liu, Menjing Xiao, Fengyun Hao, Chenghong Wang, Yan Chen, Yingying Lu, Jun Liang
BACKGROUND AND OBJECTIVE: MicroRNAs play an important role in cell proliferation, apoptosis, differentiation, and invasion by regulating the expression of various genes. For example, the downregulation of microRNA-199a-3p (miR-199a-3p) that is noted in numerous human malignancies, including hepatocellular carcinoma (HCC), results in a poor prognosis in patients with HCC. This finding suggests that miR-199a-3p overexpression in HCC could provide a new treatment approach. We explored this possibility by examining the effects of miR-199a-3p on the growth and apoptosis of HCC cells in vitro and vivo...
2017: American Journal of Translational Research
Yanqiu Xia, Pei Zhao, Hongli Huang, Yuan Xie, Rong Lu, Li Dong
Polycystic ovarian syndrome (PCOS), with a prevalence of 5-8%, is the most common endocrine disorder in women of reproductive age. Although cryptotanshinone (CRY) has been shown to effectively reverse reproductive disturbances, it remains poorly understood whether it can be used to treat PCOS. Here we used an established rat model of PCOS. Prepubertal female Sprague-Dawley rats were subcutaneously injected with dehydroepiandrosterone (DHEA) 60 mg/kg/day for 3 weeks. Those in the DHEA group were given normal saline, while the CRY group was given 27 mg/kg by gastrogavage for 3 weeks...
2017: American Journal of Translational Research
Yue Zhao, Zhongshi Xie, Jie Lin, Peng Liu
MicroRNA-144-3p (miR-144-3p) has been implicated in the development of many types of cancer. However, its role in multiple myeloma (MM) remains largely unknown. In this study, we found that miR-144-3p was downregulated in both MM cell lines and plasma from patients with MM. In vitro studies further showed that transfection of an miR-144-3p mimic into MM cells inhibited their proliferation and colony formation, and promoted cell cycle arrest at the G0/G1 phase and apoptosis. In addition, we found that miR-144-3p could directly target the 3'-untranslated region of cellular-mesenchymal to epithelial transition factor (c-MET) and suppress c-MET expression and its downstream signaling pathway (PI3K/AKT)...
2017: American Journal of Translational Research
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