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Molecular Medicine Reports

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https://www.readbyqxmd.com/read/28627669/recovery-of-spinal-cord-injury-following-electroacupuncture-in-rats-through-enhancement-of-wnt-%C3%AE-catenin-signaling
#1
Junfeng Zhang, Shisheng Li, Yaochi Wu
Electroacupuncture (EA) has been demonstrated to promote the functional recovery of neurons following spinal cord injury (SCI); however, the mechanisms underlying its effects have yet to be elucidated. The Wnt/β-catenin signaling pathway has been implicated in the regulation of the balance between growth, proliferation and differentiation of neural precursor cells. The present study aimed to investigate the effects of EA therapy on Wnt/β‑catenin‑regulated gene expression and neuronal recovery in rats with SCI...
June 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627654/bioinformatics-analysis-of-transcription-profiling-of-solid-pseudopapillary-neoplasm-of-the-pancreas
#2
Yongping Zhang, Xu Han, Hao Wu, Yifeng Zhou
Solid pseudopapillary neoplasm (SPN) of the pancreas is a low-grade malignant neoplasm that accounts for ~5% of cystic pancreatic tumors and ~0.9‑2.7% of exocrine pancreatic tumors. The transcription profiling data (GSE43795) of 14 SPN and 6 control samples were downloaded from the Gene Expression Omnibus (GEO) database. Using the Limma package, Student's t‑tests were performed to identify differentially expressed genes (DEGs) between SPN and control samples [with the following criterion: False discovery rate (FDR)<0...
June 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627606/effects-of-ischemic-preconditioning-on-pdgf-bb-expression-in-the-gerbil-hippocampal-ca1-region-following-transient-cerebral-ischemia
#3
Jae-Chul Lee, Yang Hee Kim, Tae-Kyeong Lee, In Hye Kim, Jeong Hwi Cho, Geum-Sil Cho, Bich-Na Shin, Joon Ha Park, Ji Hyeon Ahn, Myoung Cheol Shin, Jun Hwi Cho, Il Jun Kang, Moo-Ho Won, Jeong Yeol Seo
Ischemic preconditioning (IPC) is induced by exposure to brief durations of transient ischemia, which results in ischemic tolerance to a subsequent longer or lethal period of ischemia. In the present study, the effects of IPC (2 min of transient cerebral ischemia) were examined on immunoreactivity of platelet‑derived growth factor (PDGF)‑BB and on neuroprotection in the gerbil hippocampal CA1 region following lethal transient cerebral ischemia (LTCI; 5 min of transient cerebral ischemia). IPC was subjected to a 2‑min sublethal ischemia and a LTCI was given 5‑min transient ischemia...
June 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627691/scutellaria%C3%A2-baicalensis-georgi-induces-caspase-dependent-apoptosis-via-mitogen-activated-protein-kinase-activation-and-the-generation-of-reactive-oxygen-species-signaling-pathways-in-mcf-7-breast-cancer-cells
#4
Jin Ryeong Park, Min Cheol Lee, Seong-Cheol Moon, Junghoon Kim, Ki-Tae Ha, Eun Jung Park, Chansik Hong, Byoung-Do Seo, Byung Joo Kim
Scutellaria baicalensis Georgi extract (SBGE) is used in traditional herbal medicine and has also been used clinically to ameliorate the symptoms of various inflammatory diseases and cancer. In women, breast cancer is one of the most common diseases and numerous women succumb to it. The present study was undertaken to investigate the mechanism responsible for the SBGE‑induced apoptosis of MCF‑7 human breast cancer cells. SBGE was administered to cells at concentrations between 100 and 500 mg/ml, and cell viabilities were identified using an MTT assay...
June 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627666/expression-pattern-of-zinc-finger-protein-185-in-mouse-testis-and-its-role-in-regulation-of-testosterone-secretion
#5
Xinguo You, Lu Wei, Shutong Fan, Weiwei Yang, Xiaoying Liu, Guohui Wang, Yi Man, Zhifang Pan, Weiguo Feng
Zinc finger protein 185 (ZNF185) belongs to the ZNF family and is involved in cell proliferation and differentiation. To the best of our knowledge, the association between ZNF185 and male reproduction is unknown. In the present study, the expression and localization of ZNF185 in mouse testis, as well as its role in testosterone secretion, cell cycle progression and apoptosis of mouse Leydig cells were investigated. The results of the immunofluorescence analysis indicated that ZNF185 was highly expressed in Leydig cells of the mouse testis, and primarily localized in the cytoplasm...
June 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627708/alterations-in-aqp4-expression-and-polarization-in-the-course-of-motor-neuron-degeneration-in-sod1g93a-mice
#6
Jiaying Dai, Weihao Lin, Minying Zheng, Qiang Liu, Baixuan He, Chuanming Luo, Xilin Lu, Zhong Pei, Huanxing Su, Xiaoli Yao
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease characterized by selective degeneration of upper and lower motor neurons. The disease progression is associated with the astrocytic environment. Aquaporin-4 (AQP4) water channels are the most abundant AQPs expressed in astrocytes, exerting important influences on central nervous system homeostasis. The present study aimed to characterize the alterations in AQP4 expression and loca-lization in superoxide dismutase 1 (SOD1) G93A transgenic mice...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627704/matrix-metalloproteinase-2-and-9-contribute-to-functional-integrity-and-noise%C3%A2-induced-damage-to-the-blood-labyrinth-barrier
#7
Jun Wu, Weiju Han, Xingrui Chen, Weiwei Guo, Ke Liu, Ruoya Wang, Jishuai Zhang, Na Sai
The cochlear blood-labyrinth barrier (BLB), located in the stria vascularis, is critical for the homeostasis of cochlear solutes and ion transport. Significant disruption to the BLB occurs early during noise‑induced hearing loss. Matrix metalloproteinase (MMP)‑2 and ‑9 are important molecules known to be capable of degrading tight junction (TJ) proteins. The TJ proteins are important components of the extracellular matrix (ECM), required to maintain BLB integrity and permeability. Previous studies have demonstrated that MMP‑2 and ‑9, rich in healthy cochlea, serve an essential role in regulating the cochlear response to acoustic trauma...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627698/microrna-508-5p-suppresses-metastasis-in-human-gastric-cancer-by-targeting-s-phase-kinase%C3%A2-associated-protein-2
#8
Xiangguo Duan, Jing Bai, Jun Wei, Zhenhao Li, Xinlan Liu, Guangxian Xu
S-phase kinase-associated protein 2 (SKP2), a potent oncogene was revealed to be upregulated in gastric cancer (GC) tissue samples, in which SKP2 was inversely correlated with microRNA (miR)‑508‑5p transcripts. In present study, the functional effect of miR‑508‑5p on SKP2 and its metastatic potential were investigated in SGC‑7901 GC cells. Significant downregulation of the miR‑508‑5p transcript was associated with the progression of GC. Furthermore, the overexpression of miR‑508‑5p was demonstrated to inhibit the proliferation, migration and invasion of SGC‑7901 cells, as well as induced cell apoptosis and cell cycle arrest at the G0/G1 phase in vitro...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627693/renal-denervation-attenuates-cardiac-hypertrophy-in-spontaneously-hypertensive-rats-via-regulation-of-autophagy
#9
Jionghua Huang, He Huang, Wei Pan, Dejin Ou, Wenjun Dai, Yuhui Lin, Jinlei Wu, Wenjie Xie, Ximing Chen
It has been suggested that renal denervation (RD) may attenuate left ventricular (LV) hypertrophy. However, the role that autophagy serves in this process is currently unclear. In the present study, utilizing a model of hypertension‑induced cardiac hypertrophy in spontaneous hypertensive rats, it was demonstrated that RD was significantly associated with a reduction in LV hypertrophy. Furthermore, a decrease in the myocardial mRNA of hypertrophy‑associated genes was demonstrated in RD rats compared with sham controls...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627692/the-role-of-intestinal-endotoxemia-in-a-rat-model-of-aluminum-neurotoxicity
#10
Feng Wang, Rui-Xia Guo, Wen-Xing Li, Bao-Feng Yu, Bai Han, Li-Xin Liu, De-Wu Han
The present study aimed to investigate the effects of intestinal endotoxemia (IETM) in a rat model of aluminum neurotoxicity established by D-galactose and aluminum trichloride (AlCl3). Adult Wistar rats were administered D‑galactose and AlCl3 to create the aluminum neurotoxicity model. The learning and memory abilities of the rats were subsequently observed using a Morris water maze test and the serum levels of lipopolysaccharide (LPS), tumor necrosis factor (TNF)‑α, interleukin (IL)‑1, diamine oxidase (DAO), glutamine (Gln) and glutaminase were measured...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627690/data-mining-and-pathway-analysis-of-glucose-6-phosphate-dehydrogenase-with-natural-language-processing
#11
Long Chen, Chunhua Zhang, Yanling Wang, Yuqian Li, Qiaoqiao Han, Huixin Yang, Yuechun Zhu
Human glucose-6-phosphate dehydrogenase (G6PD) is a crucial enzyme in the pentose phosphate pathway, and serves an important role in biosynthesis and the redox balance. G6PD deficiency is a major cause of neonatal jaundice and acute hemolyticanemia, and recently, G6PD has been associated with diseases including inflammation and cancer. The aim of the present study was to conduct a search of the National Center for Biotechnology Information PubMed library for articles discussing G6PD. Genes that were identified to be associated with G6PD were recorded, and the frequency at which each gene appeared was calculated...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627683/regulatory-role-of-tumor-necrosis-factor-receptor-associated-factor-6-in-breast-cancer-by-activating-the-protein-kinase-b-glycogen-synthase-kinase-3%C3%AE-signaling-pathway
#12
Hongyu Shen, Liangpeng Li, Sujin Yang, Dandan Wang, Siying Zhou, Xiu Chen, Jinhai Tang
Tumor necrosis factor receptor-associated factor 6 (TRAF6) is an endogenous adaptor of innate and adaptive immune responses, and serves a crucial role in tumor necrosis factor receptor and toll‑like/interleukin‑1 receptor signaling. Although studies have demonstrated that TRAF6 has oncogenic activity, its potential contributions to breast cancer in human remains largely uninvestigated. The present study examined the expression levels and function of TRAF6 in breast carcinoma (n=32) and adjacent healthy (n=25) tissue samples...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627674/mir-200c-serves-an-important-role-in-h5v-endothelial-cells-in-high-glucose-by-targeting-notch1
#13
Yunfeng Zhang, Qiang Guan, Xing Jin
Diabetic vasculopathy is the leading cause of impairment and death in diabetic patients, a variety of factors are involved in its underlying pathological process, however, endothelial cell (EC) dysfunction serves a significant role in the process. MicroRNAs (miRNAs) have emerged as potential therapeutic candidates, due to their ability to regulate multiple targets involved in ECs. The aim of the present study was to investigate the role of miR‑200c in regulating ECs in high glucose condition. To investigate the role of miR‑200c in regulating hyperglycemia induced ECs by targeting Notch1, ECs H5V cells were cultured in high sugar conditions to initiate the inhibition of Notch1, the same cells in normal medium as the control...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627671/downregulation-of-notch1-inhibits-the-invasion-and-metastasis-of-human-gastric-cancer-cells-sgc7901-and-mkn74-in%C3%A2-vitro-through-pten-activation-and-dephosphorylation-of-akt-and-fak
#14
Xue-Song Zhang, Yan-Hua Hu, Hong-Yu Gao, Xiu-Wen Lan, Ying-Wei Xue
Migration and invasion are both vital causes of mortality in patients with gastric cancer. Therefore, the inhibition of these tumour cell processes is of great importance in gastric cancer therapy. Activation of Notch has been reported in many cancers. The critical role of Notch and its regulation in tumourigenesis has been noted. Although the studies on Notch in the field of cancer have been performed extensively, the role of Notch1 signalling in gastric cancer requires further study. Inactivation of PTEN has been observed in the development of many malignant tumors, and loss of PTEN function has been implicated in tumorigenic processes...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627665/n-acetylcysteine-ameliorates-repetitive-stereotypic-behavior-due-to-its-antioxidant-properties-without-activation-of-the-canonical-wnt-pathway-in-a-valproic-acid-induced-rat-model-of-autism
#15
Yinghua Zhang, Weigang Cui, Qianqian Zhai, Tianran Zhang, Xiaojun Wen
N-acetylcysteine (NAC) is widely used as an antioxidant, and previous studies have suggested that it may have potential as an alternative therapeutic strategy for the treatment of patients with autism. However, the exact effects of NAC administration on the development of autism, as well as the molecular mechanisms underlying its actions, have yet to be fully elucidated. The present study aimed to investigate the effects of NAC on the oxidative status of rats in a valproic acid (VPA)‑induced model of autism, and to examine the involvement of the canonical Wnt signaling pathway in the actions of NAC...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627639/microrna-187-inhibits-tumor-growth-and-metastasis-via-targeting-of-igf-1r-in-hepatocellular-carcinoma
#16
Xinqiang Han, Xuemin Wang, Baolei Zhao, Gang Chen, Yuguo Sheng, Wenming Wang, Mujian Teng
Hepatocellular carcinoma (HCC) is the primary and most frequently occurring type of malignant liver cancer, accounting for 70-85% of total liver cancer cases worldwide. It has previously been demonstrated that the aberrant expression of microRNAs (miR) contributes to carcinogenesis and progression of various human malignancies, including HCC. However, mechanisms underlying the differential expression and specific roles of miR‑187 in HCC remain to be elucidated, particularly regarding how the modulation of malignant phenotypes in HCC cells occurs...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627624/pro-oxidant-activity-of-sulforaphane-and-cisplatin-potentiates-apoptosis-and-simultaneously-promotes-autophagy-in-malignant-mesothelioma-cells
#17
Yoon-Jin Lee, Sang-Han Lee
Sulforaphane (SFN) is an isothiocyanate compound derived from glucoraphanin, which is found in cruciferous vegetables, and has been heralded as a chemopreventive and/or chemotherapeutic agent. The present study investigated the effects of SFN on enhancing the anticancer role of cisplatin (cis-dichlorodiammineplatinum; CDDP) in H‑28 malignant mesothelioma cells. At concentrations demonstrating limited toxicity in MeT‑5A normal human mesothelial cells, combination treatment with the two compounds exhibited synergistic growth‑inhibiting and apoptosis‑promoting activities, as demonstrated by a series of proapoptotic events, including reactive oxygen species accumulation, loss of mitochondrial membrane potential, upregulation of p53 expression, increased B‑cell lymphoma 2 (Bcl‑2) associated X protein/Bcl‑2 ratio, activation of caspase‑3, the occurrence of a sub‑G0/G1 peak and an increase in cells with pyknotic and fragmented nuclei, Annexin V‑phycoerythrin‑positive staining and G2/M phase‑transition delay in the cell cycle...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627622/human-amnion-derived-mesenchymal-stem-cells-protect-against-uva-irradiation-induced-human-dermal-fibroblast-senescence-in%C3%A2-vitro
#18
Chunli Zhang, Haishen Yuchi, Lu Sun, Xiaoli Zhou, Jinde Lin
The aim of the present study was to determine if human amnion‑derived mesenchymal stem cells (HAMSCs) exert a protective effect on ultraviolet A (UVA) irradiation-induced human dermal fibroblast (HDF) senescence. A senescence model was constructed as follows: HDFs (104‑106 cells/well) were cultured in a six‑well plate in vitro and then exposed to UVA irradiation at 9 J/cm2 for 30 min. Following the irradiation period, HDFs were co‑cultured with HAMSCs, which were seeded on transwells. A total of 72 h following the co‑culturing, senescence‑associated β‑galactosidase staining was performed and reactive oxygen species (ROS) content and mitochondrial membrane potential (Δψm) were detected in the HDFs via flow cytometric analysis...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627618/hypoxia-inducible-factor-1%C3%AE-regulates-autophagy-via-the-p27-e2f1-signaling-pathway
#19
Pan Wang, Meijing Long, Shijie Zhang, Zhenyun Cheng, Xin Zhao, Fucheng He, Hongchun Liu, Liang Ming
Autophagy is a highly conserved process by which the cell contents are delivered to lysosomes for degradation, or are used to provide macromolecules for energy generation under conditions of nutritional starvation. It has previously been demonstrated that cancer cells in hypoxic regions, with an oxygen concentration below the normal physiological level, express hypoxia inducible factor (HIF)‑1α, in order to adapt and survive. HIF‑1α is important in the regulation of oxygen homeostasis and the transcription of hundreds of genes in response to conditions of hypoxia, hence maintaining energy and redox homeostasis...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627616/distinct-cellular-phenotype-linked-to-defective-dna-interstrand-crosslink-repair-and-homologous-recombination
#20
Aleksandra M Gorniewska, Katarzyna Kluzek, Lidia Gackowska, Izabela Kubiszewska, Malgorzata Z Zdzienicka, Aneta Bialkowska
Repair of DNA interstrand crosslinks (ICLs) predominantly involves the Fanconi anemia (FA) pathway and homologous recombination (HR). The HR repair system eliminates DNA double strand breaks (DSBs) that emerge during ICLs removal. The current study presents a novel cell line, CL‑V8B, representing a new complementation group of Chinese hamster cell mutants hypersensitive to DNA crosslinking factors. CL‑V8B exhibits increased sensitivity to various DNA‑damaging agents, including compounds leading to DSBs formation (bleomycin and 6‑thioguanine), and is extremely sensitive to poly (ADP-ribose) polymerase inhibitor (>400‑fold), which is typical for HR‑defective cells...
June 15, 2017: Molecular Medicine Reports
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