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International Journal of Molecular Medicine

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https://www.readbyqxmd.com/read/28098880/the-role-of-gap-junctions-in-inflammatory-and-neoplastic-disorders-review
#1
Pui Wong, Victoria Laxton, Saurabh Srivastava, Yin Wah Fiona Chan, Gary Tse
Gap junctions are intercellular channels made of connexin proteins, mediating both electrical and biochemical signals between cells. The ability of gap junction proteins to regulate immune responses, cell proliferation, migration, apoptosis and carcinogenesis makes them attractive therapeutic targets for treating inflammatory and neoplastic disorders in different organ systems. Alterations in gap junction profile and expression levels are observed in hyperproliferative skin disorders, lymphatic vessel diseases, inflammatory lung diseases, liver injury and neoplastic disorders...
January 17, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28098867/-retracted-nuclear-import-of-prototype-foamy-virus-transactivator-bel1-is-mediated-by-kpna1-kpna6-and-kpna7
#2
Jihui Duan, Zhiqin Tang, Hong Mu, Guojun Zhang
We would like to retract the article entitled "Nuclear import of prototype foamy virus transactivator Bel1 is mediated by KPNA1, KPNA6 and KPNA7" published in International Journal of Molecular Medicine 38: 339-406, 2016. The results presented in Fig. 6 have been demonstrated to be unreproducible, and we cannot provide an explanation for this. Furthermore, we have recently identified that the cell cultures used in our experiments were partly contaminated with Mycoplasma, which could have contributed to the irreproducibility of the results...
January 17, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28098859/dna-damage-response-defect-in-williams-beuren-syndrome
#3
David Guenat, Giuseppe Merla, Eric Deconinck, Christophe Borg, Pierre-Simon Rohrlich
Williams-Beuren syndrome (WBS, no. OMIM 194050) is a rare multisystem genetic disorder caused by a microdeletion on chromosome 7q11.23 and characterized by cardiovascular malformations, mental retardation, and a specific facial dysmorphism. Recently, we reported that a series of non‑Hodgkin's lymphoma occurs in children with WBS and thus hypothesized that a predisposition to cancer may be associated with this genetic disorder. The aim of the present study was to ascertain the role played by three genes hemizygously deleted in WBS (RFC2, GTF2I and BAZ1B) in DNA damage response pathways...
January 17, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28098856/anti%C3%A2-wrinkle-effect-of-fermented-black-ginseng-on-human-fibroblasts
#4
Quynh Lien Pham, Hyun-Jun Jang, Kyu-Bong Kim
Fermented black ginseng (FBG) is processed by the repeated steaming and drying of fresh ginseng followed by fermentation with Saccharomyces cerevisiae. It is known to possess anti‑oxidative effects. Skin wrinkle formation is associated with oxidative stress and inflammatory reactions. The aim of this study was to determine whether FBG possesses anti‑wrinkle activity using human fibroblasts (HS68). According to the Korea Ministry of Food and Drug Safety (MFDS) guidelines for the evaluation of the efficacy of functional anti‑wrinkle cosmetics, we attempted to elucidate the effects of FBG on type I procollagen, matrix metalloproteinase (MMP)‑1, MMP‑2, MMP‑9 and tissue inhibitor of metalloproteinase‑2 (TIMP‑2)...
January 16, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28098857/anticancer-effects-of-ginsenoside-rg3-review
#5
Mengyao Sun, Ying Ye, Ling Xiao, Xinya Duan, Yongming Zhang, Hong Zhang
Cancer is a life-threatening disease with an alarmingly increased annual mortality rate globally. Although various therapies are employed for cancer, the final effect is not satisfactory. Chemotherapy is currently the most commonly used treatment option. However, the unsatisfactory efficacy, severe side-effects and drug resistance hinder the therapeutic efficacy of chemotherapeutic drugs. There is increasing evidence indicating that ginsenoside Rg3, a naturally occurring phytochemical, plays an important role in the prevention and treatment of cancer...
January 13, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28098884/renin-angiotensin-system-activation-accelerates-atherosclerosis-in-experimental-renal-failure-by-promoting-endoplasmic-reticulum-stress-related-inflammation
#6
Jia Yang, Xi Zhang, Xinyi Yu, Weixue Tang, Hua Gan
In this study, we investigated the association between the renin-angiotensin system (RAS), endoplasmic reticulum (ER) stress and atherosclerosis (AS) in uremic apolipoprotein E knockout (apoE-/-) mice. Mild uremia was induced by a 5/6 nephrectomy (5/6 Nx) in 10-week-old apoE-/- mice. Four weeks after nephrectomy, the mice received losartan or no treatment for 16 weeks. Sham-operated mice served as the controls. We found that uremia accelerated AS at the aortic root. The activation of ER stress and the significant upregulation of pro-inflammatory cytokines and chemokines were observed in the uremic mice...
January 12, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28075471/alterations-in-splenic-function-and-gene-expression-in-mice-with-depressive-like-behavior-induced-by-exposure-to-corticosterone
#7
Heqin Zhan, Feng Huang, Fulin Yan, Zhenghang Zhao, Jixia Zhang, Taizhen Cui, Fan Yang, Guangfan Hai, Xiaoman Jia, Yongji Shi
Depressed patients present with increased cortisol levels and attenuated immune responses. However, little is known about the association between depression and the spleen, as this is the largest peripheral immune organ. In this study, we examined alterations in splenic function and gene expression in mice with depressive-like behavior, well as the expression of certain proteins in related pathways. A mouse model of depression was established with the use of corticosterone. Splenic function and histopathology were assessed using Wright and H&E staining...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28075461/resistance-of-interleukin-6-to-the-extracellular-inhibitory-environment-promotes-axonal-regeneration-and-functional-recovery-following-spinal-cord-injury
#8
Gang Yang, Wen-Yuan Tang
Interleukin-6 (IL)-6 was originally discovered as a factor that contributes to the secondary pathological and inflammatory response in the central nervous system (CNS) following injury. However, accumulating evidence suggests that IL-6 is also involved in functional and structural recovery following CNS injury by promoting axonal sprou-ting. This suggests a potential dual role of IL-6 in CNS injury. However, the definitive function of IL-6 in neural injury and the corresponding underlying mechanisms are still topics of controversy...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28075460/roles-of-oncogenes-and-tumor-suppressor-genes-in-osteoclastogenesis-review
#9
Akari Minami, Mako Ogino, Noriko Nakano, Mayuko Ichimura, Atsuko Nakanishi, Toshiyuki Murai, Yasuko Kitagishi, Satoru Matsuda
Osteoporosis is a bone disease that poses a tremendous burden to health care. The receptor activator of nuclear factor-κB (RANK) and its ligand (RANKL) have been a major focus of this research field. RANKL signaling not only activates a variety of downstream signaling pathways required for osteoclast development, but crosstalk with other signaling pathways also adjusts bone homeostasis both in normal physiology and in bone disease. Consequently, novel drugs specifically targeting RANK-RANKL and their signaling pathways in osteoclasts are expected to revolutionize the treatment of various bone diseases such as osteoporosis...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28075457/high-resolution-melting-analysis-for-rapid-and-sensitive-notch1-screening-in-chronic-lymphocytic-leukemia
#10
Jing-Jing Xu, Fei-Rong Yao, Min Jiang, You-Tao Zhang, Feng Guo
Chronic lymphocytic leukemia (CLL) is a biological and clinical heterogeneous disease. Activating mutations of NOTCH1 have been implicated to be associated with adverse prognosis in CLL. The objective of the present study was to develop an effective high-resolution melting (HRM) assay for detecting NOTCH1 mutations. Genomic DNA (gDNA) extracted from 133 CLL patients was screened by HRM assay, and the results were compared with the data obtained using direct sequencing. The relative sensitivity of the HRM assay and direct sequencing was evaluated using diluted gDNA with different NOTCH1 mutational frequencies...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28075456/hpip-silencing-inhibits-tgf-%C3%AE-1-induced-emt-in-lung-cancer-cells
#11
Shaomin Shi, Jianjun Zhao, Jing Wang, Donghui Mi, Zhongsen Ma
Epithelial-mesenchymal transition (EMT) has been reported to play an important role in the migration and invasion of tumor cells. Hematopoietic pre-B-cell leukemia transcription factor (PBX)-interacting protein (HPIP/PBXIP1) has emerged as an important regulator of the development of cancer. However, the role of HPIP in lung cancer is unclear. Thus, in the present study, we investigated the role of HPIP in transforming growth factor (TGF)-β1-induced EMT in A549 lung cancer cells in vitro. Our data demonstrated that HPIP was overexpressed in the lung cancer cell lines...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28075451/the-role-of-sphingolipid-signalling-in-diabetes%C3%A2-associated-pathologies-review
#12
Mei Li Ng, Carol Wadham, Olga A Sukocheva
Sphingosine kinase (SphK) is an important signalling enzyme that catalyses the phosphorylation of sphingosine (Sph) to form sphingosine‑1‑phosphate (S1P). The multifunctional lipid, S1P binds to a family of five G protein-coupled receptors (GPCRs). As an intracellular second messenger, S1P activates key signalling cascades responsible for the maintenance of sphingolipid metabolism, and has been implicated in the progression of cancer, and the development of other inflammatory and metabolic diseases...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28075449/construction-of-an-mirna-regulated-drug-pathway-network-reveals-drug-repurposing-candidates-for-myasthenia-gravis
#13
Yuze Cao, Xiaoyan Lu, Jianjian Wang, Huixue Zhang, Zhaojun Liu, Si Xu, Tianfeng Wang, Shangwei Ning, Bo Xiao, Lihua Wang
Myasthenia gravis (MG) is a rare debilitating autoimmune neuromuscular disorder. Many studies have focused on the mechanism and treatment strategies of MG. However, the exact pathogenesis of MG and effective treatment strategies remain unclear. Recent studies have indicated that microRNAs (miRNAs or miRs) can regulate the pathological pathways of MG, suggesting their potential role in novel treatments. In the present study, we created a comprehensive catalog of experimentally confirmed MG risk genes and miRNAs by manually mining published literature and public databases...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28075448/microarray-analysis-of-circular-rna-expression-patterns-in-polarized-macrophages
#14
Yingying Zhang, Yao Zhang, Xueqin Li, Mengying Zhang, Kun Lv
Circular RNAs (circRNAs) are generated from diverse genomic locations and are a new player in the regulation of post-transcriptional gene expression. Recent studies have revealed that circRNAs play a crucial role in fine-tuning the level of microRNA (miRNA)-mediated regulation of gene expression by sequestering miRNAs. The interaction of circRNAs with disease-associated miRNAs suggests that circRNAs are important in the pathology of disease. However, the effects and roles of circRNAs in macrophage polarization have yet to be explored...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28075444/the-role-of-lncrna-malat1-in-the-regulation-of-hepatocyte-proliferation-during-liver-regeneration
#15
Cuicui Li, Lei Chang, Zhiquan Chen, Zhongzhong Liu, Yanfeng Wang, Qifa Ye
Exploring the biological functions of long non-coding RNAs (lncRNAs) has come to the foreground in recent years. Studies have indicated that the lncRNA metastasis‑associated lung adenocarcinoma transcript 1 (MALAT1) not only regulates tumorigenesis in hepatocellular carcinoma, but also controls cell cycle progression in hematopoietic cells. The present study was designed to investigate the biological role of lncRNA MALAT1 in liver regeneration. We carried out a series of assays during liver regeneration following 2/3 partial hepatectomy in mice...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28035409/morin-exerts-cytoprotective-effects-against-oxidative-stress-in-c2c12-myoblasts-via-the-upregulation-of-nrf2-dependent-ho-1-expression-and-the-activation-of-the-erk-pathway
#16
Moon Hee Lee, Min Ho Han, Dae-Sung Lee, Cheol Park, Su-Hyun Hong, Gi-Young Kim, Sang Hoon Hong, Kyoung Seob Song, Il-Whan Choi, Hee-Jae Cha, Yung Hyun Choi
In the present study, we investigated the cytoprotective efficacy of morin, a natural flavonoid, against oxidative stress and elucidated the underlying mechanisms in C2C12 myoblasts. Our results indicated that morin treatment prior to hydrogen peroxide (H2O2) exposure significantly increased cell viability and prevented the generation of reactive oxygen species. H2O2-induced comet-like DNA formation and γH2AX phosphorylation were also markedly suppressed by morin with a parallel inhibition of apoptosis in C2C12 myoblasts, suggesting that morin prevented H2O2-induced cellular DNA damage...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28035408/identification-of-antibiotic-resistance-genes-in-the-multidrug-resistant-acinetobacter-baumannii-strain-mdr-shh02-using-whole-genome-sequencing
#17
Hualiang Wang, Jinghua Wang, Peijuan Yu, Ping Ge, Yanqun Jiang, Rong Xu, Rong Chen, Xuejie Liu
This study aimed to investigate antibiotic resistance genes in the multidrug-resistant (MDR) Acinetobacter baumannii (A. baumanii) strain, MDR-SHH02, using whole‑genome sequencing (WGS). The antibiotic resistance of MDR-SHH02 isolated from a patient with breast cancer to 19 types of antibiotics was determined using the Kirby‑Bauer method. WGS of MDR-SHH02 was then performed. Following quality control and transcriptome assembly, functional annotation of genes was conducted, and the phylogenetic tree of MDR-SHH02, along with another 5 A...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28035406/bambi-inhibits-inflammation-through-the-activation-of-autophagy-in-experimental-spinal-cord-injury
#18
Yin Yang, Chunyang Guo, Bo Liao, Junjun Cao, Chen Liang, Xijing He
Autophagy plays an important role in the progression of spinal cord injury (SCI). In this study, we aimed to examine the effects and potential mechanisms of action of BMP and activin membrane-bound inhibitor (BAMBI) in the progression of SCI. A rat model of SCI was established and the rats were injected with pLentiH1-BAMBI shRNA and pAd-BAMBI in the gray and white matter of the spinal cord at T8. After 14 days, motor function evaluation was measured according to the Basso Beattie Bresnahan (BBB) method and the number of motor neuron cell accounts in the anterior horns was measured by Nissl staining...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28035369/effect-of-annexin-a1-gene-on-the-proliferation-and-invasion-of-esophageal-squamous-cell-carcinoma-cells-and-its-regulatory-mechanisms
#19
Gaohua Han, Kaijin Lu, Junxing Huang, Jun Ye, Shengbin Dai, Yunyao Ye, Lixin Zhang
The aim of this study was to examine the effect of Annexin A1 (ANXA1) on the proliferation, migration and invasion of esophageal squamous cell carcinoma (ESCC) cells and its possible mechanisms of action. After constructing the ANXA1 overexpression plasmid, we transfected this plasmid and/or microRNA (miRNA)‑196a mimic into ESCC cells (Eca109 cell line). Methyl thiazolyl tetrazolium (MTT) assay and Transwell chamber assay were performed to determine cell proliferation, migration and invasion, respectively...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28035368/5-aminolevulinic-acid-enhances-mitochondrial-stress-upon-ionizing-irradiation-exposure-and-increases-delayed-production-of-reactive-oxygen-species-and-cell-death-in-glioma-cells
#20
Kunihiro Ueta, Junkoh Yamamoto, Tohru Tanaka, Yoshiteru Nakano, Takehiro Kitagawa, Shigeru Nishizawa
5-Aminolevulinic acid (5-ALA) can accumulate protoporphyrin IX (PpIX) in tumour cell mitochondria and is well known for its utility in fluorescence-guided resection of malignant gliomas as a live molecular marker. Previously, we and other authors demonstrated that 5-ALA has a radiosensitizing effect for tumours. In the present study, we aimed to investigate the mechanism underlying the radiosensitizing effect of 5-ALA by focusing on glioma cell mitochondria. Using an enhancer (ciprofloxacin) of 5-ALA-induced PpIX accumulation, we evaluated the influence of ionizing irradiation (IR) and delayed reactive oxygen species (ROS) production 12 h after IR by colony-forming assay and flow cytometry (FCM) with different amounts of PpIX accumulation...
February 2017: International Journal of Molecular Medicine
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