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Journal of Cellular and Molecular Medicine

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https://www.readbyqxmd.com/read/28805297/mesenchymal-stem-cells-deliver-exogenous-mir-21-via-exosomes-to-inhibit-nucleus-pulposus-cell-apoptosis-and-reduce-intervertebral-disc-degeneration
#1
Xiaofei Cheng, Guoying Zhang, Liang Zhang, Ying Hu, Kai Zhang, Xiaojiang Sun, Changqing Zhao, Hua Li, Yan Michael Li, Jie Zhao
Although mesenchymal stem cells (MSCs) transplantation into the IVD (intervertebral disc) may be beneficial in inhibiting apoptosis of nucleus pulposus cells (NPCs) and alleviating IVD degeneration, the underlying mechanism of this therapeutic process has not been fully explained. The purpose of this study was to explore the protective effect of MSC-derived exosomes (MSC-exosomes) on NPC apoptosis and IVD degeneration and investigate the regulatory effect of miRNAs in MSC-exosomes and associated mechanisms for NPC apoptosis...
August 14, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28799229/sitagliptin-mediated-preservation-of-endothelial-progenitor-cell-function-via-augmenting-autophagy-enhances-ischaemic-angiogenesis-in-diabetes
#2
Xiaozhen Dai, Jun Zeng, Xiaoqing Yan, Qian Lin, Kai Wang, Jing Chen, Feixia Shen, Xuemei Gu, Yuehui Wang, Jun Chen, Kejian Pan, Lu Cai, Kupper A Wintergerst, Yi Tan
Recently, the dipeptidyl peptidase-4 (DPP-4) inhibitor sitagliptin, a major anti-hyperglycaemic agent, has received substantial attention as a therapeutic target for cardiovascular diseases via enhancing the number of circulating endothelial progenitor cells (EPCs). However, the direct effects of sitagliptin on EPC function remain elusive. In this study, we evaluated the proangiogenic effects of sitagliptin on a diabetic hind limb ischaemia (HLI) model in vivo and on EPC culture in vitro. Treatment of db/db mice with sitagliptin (Januvia) after HLI surgery efficiently enhanced ischaemic angiogenesis and blood perfusion, which was accompanied by significant increases in circulating EPC numbers...
August 10, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28799211/expression-signatures-and-roles-of-micrornas-in-human-oesophageal-adenocarcinomas
#3
Xiangyi Kong, Shun Gong, Lijuan Su, Chen Li, Yanguo Kong
The most common forms of oesophageal cancers are adenocarcinomas and squamous cell carcinoma (SCC). Although the incidence of SCC in the United States tends to be declining, the adenocarcinoma incidence caused by Barrett's oesophagus has been increasing. Oesophageal cancer is regarded as one of the most fatal malignancies with a short prognosis. Systemic manifestations of patients with PCNSL keep backward in spite of recent development of chemoradiotherapy. MicroRNAs are small non-coding RNAs that can post-transcriptionally down-regulate the expression of genes by targeting mRNAs, causing their translational repression as well as degradation...
August 10, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782909/silencing-of-ca1-mrna-in-tumour-cells-does-not-change-the-gene-expression-of-the-extracellular-matrix-proteins
#4
Radivojka Vulic, Silvia Tyciakova, Maria Dubrovcakova, Ludovit Skultety, Jan Lakota
We report the silencing of CA1 mRNA in PC3 and MDA cells. The levels of mRNA coding CA1 protein in the knock-down mRNA (CA1 siRNA) cells have been measured by RT-PCR and were approximately 5% (PC3) and 20% (MDA-MB-231), respectively, of the level of control (Mock siRNA) used during silencing. In PC3 and MDA-MB-231 cells, the mRNAs for COL1A1 and COL4A4 were up-regulated. The mRNAs for CTHRC1, LAMC2, and WNT7B were not changed when compared to the control. The morphology of the cells during the treatments remained the same...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782908/ectodysplasin-a-regulates-epithelial-barrier-function-through-sonic-hedgehog-signalling-pathway
#5
Sanming Li, Jing Zhou, Liying Zhang, Juan Li, Jingwen Yu, Ke Ning, Yangluowa Qu, Hui He, Yongxiong Chen, Peter S Reinach, Chia-Yang Liu, Zuguo Liu, Wei Li
Ectodysplasin A (Eda), a member of the tumour necrosis factor superfamily, plays an important role in ectodermal organ development. An EDA mutation underlies the most common of ectodermal dysplasias, that is X-linked hypohidrotic ectodermal dysplasia (XLHED) in humans. Even though it lacks a developmental function, the role of Eda during the postnatal stage remains elusive. In this study, we found tight junctional proteins ZO-1 and claudin-1 expression is largely reduced in epidermal, corneal and lung epithelia in Eda mutant Tabby mice at different postnatal ages...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782886/circulating-trimethylamine-n-oxide-and-the-risk-of-cardiovascular-diseases-a-systematic-review-and-meta-analysis-of-11-prospective-cohort-studies
#6
Jiaqian Qi, Tao You, Jing Li, Tingting Pan, Li Xiang, Yue Han, Li Zhu
Circulating trimethylamine N-oxide (TMAO), a canonical metabolite from gut flora, has been related to the risk of cardiovascular disorders. However, the association between circulating TMAO and the risk of cardiovascular events has not been quantitatively evaluated. We performed a systematic review and meta-analysis of all available cohort studies regarding the association between baseline circulating TMAO and subsequent cardiovascular events. Embase and PubMed databases were searched for relevant cohort studies...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782880/adaptive-changes-of-telocytes-in-the-urinary-bladder-of-patients-affected-by-neurogenic-detrusor-overactivity
#7
Chiara Traini, Maria-Simonetta Fausssone-Pellegrini, Daniele Guasti, Giulio Del Popolo, Jacopo Frizzi, Sergio Serni, Maria-Giuliana Vannucchi
Urinary bladder activity involves central and autonomic nervous systems and bladder wall. Studies on the pathogenesis of voiding disorders such as the neurogenic detrusor overactivity (NDO) due to suprasacral spinal cord lesions have emphasized the importance of an abnormal handling of the afferent signals from urothelium and lamina propria (LP). In the LP (and detrusor), three types of telocytes (TC) are present and form a 3D-network. TC are stromal cells able to form the scaffold that contains and organizes the connective components, to serve as guide for tissue (re)-modelling, to produce trophic and/or regulatory molecules, to share privileged contacts with the immune cells...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782281/systemic-administration-of-bone-marrow-derived-cells-leads-to-better-uterine-engraftment-than-use-of-uterine-derived-cells-or-local-injection
#8
Ying Liu, Reshef Tal, Nicola Pluchino, Ramanaiah Mamillapalli, Hugh S Taylor
Stem cells are recruited to the uterus where they differentiate into endometrial cells and have been suggested as potential therapy for uterine injury such as Asherman's syndrome. However, it is unknown whether local intrauterine injection may result in better stem cell engraftment of the uterus compared with systemic administration, and whether uterine-derived cells (UDCs) may confer an advantage over BM-derived cells (BMDCs). Mice underwent local injury to a single uterine horn. Green fluorescent protein (GFP)-expressing BMDCs, UDCs or saline (control) were injected either intravenously or locally (uterine lumen) into wild-type recipients...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782275/emerging-role-of-hippo-signalling-pathway-in-bladder-cancer
#9
REVIEW
Jianling Xia, Ming Zeng, Hua Zhu, Xiangjian Chen, Zhiliang Weng, Shi Li
Bladder cancer (BC) is one of the most common cancers worldwide with a high progression rate and poor prognosis. The Hippo signalling pathway is a conserved pathway that plays a crucial role in cellular proliferation, differentiation and apoptosis. Furthermore, dysregulation and/or malfunction of the Hippo pathway is common in various human tumours, including BC. In this review, an overview of the Hippo pathway in BC and other cancers is presented. We focus on recent data regarding the Hippo pathway, its network and the regulation of the downstream co-effectors YAP1/TAZ...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782260/mmp-13-deletion-decreases-profibrogenic-molecules-and-attenuates-n-nitrosodimethylamine-induced-liver-injury-and-fibrosis-in-mice
#10
Joseph George, Mikihiro Tsutsumi, Mutsumi Tsuchishima
Connective tissue growth factor (CTGF) is involved in inflammation, pathogenesis and progression of liver fibrosis. Matrix metalloproteinase-13 (MMP-13) cleaves CTGF and releases several fragments, which are more potent than the parent molecule to induce fibrosis. The current study was aimed to elucidate the significance of MMP-13 and CTGF and their downstream effects in liver injury and fibrosis. Hepatic fibrosis was induced using intraperitoneal injections of N-nitrosodimethylamine (NDMA) in doses of 10 μg/g body weight on three consecutive days of each week over a period of 4 weeks in both wild-type (WT) and MMP-13 knockout mice...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782241/a-novel-mutation-of-adenomatous-polyposis-coli-apc-gene-results-in-the-formation-of-supernumerary-teeth
#11
Fang Yu, Wenping Cai, Beizhan Jiang, Laijun Xu, Shangfeng Liu, Shouliang Zhao
Supernumerary teeth are teeth that are present in addition to normal teeth. Although several hypotheses and some molecular signalling pathways explain the formation of supernumerary teeth, but their exact disease pathogenesis is unknown. To study the molecular mechanisms of supernumerary tooth-related syndrome (Gardner syndrome), a deeper understanding of the aetiology of supernumerary teeth and the associated syndrome is needed, with the goal of inhibiting disease inheritance via prenatal diagnosis. We recruited a Chinese family with Gardner syndrome...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782227/short-androgen-receptor-poly-glutamine-promoted-endometrial-cancer-is-associated-with-benzo-a-pyrene-mediated-aryl-hydrocarbon-receptor-activation
#12
Lumin Chen, Bo-Ying Bao, Wei-Chun Chang, Jason Yen-Ping Ho, Bi-Hua Cheng, Chung-Lin Wang, Qifeng Tang, Wei-Chung Cheng, Hui-Wen Chang, Yao-Ching Hung, Wen-Lung Ma
The androgen receptor (AR) poly-glutamine polymorphism (AR-Q) was reported to play role in endometrial cancer (EMCA) development, yet controversial. Environmental factors interact with genetic variation have been reported in EMCA. Aerosol toxins, polycyclic aromatic hydrocarbon benzo[a]pyrene (BaP), are EMCA facilitators. This report examined the interplay between AR-Qs and BaP in EMCA. During analysing patient AR-Q polymorphism and Aryl hydrocarbon Receptor (AhR) expressions, we found overall survival (OS) benefit is ascending with AR-Q lengths (5-year OS of 61...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782224/prokineticin-1-is-up-regulated-by-insulin-in-decidualizing-human-endometrial-stromal-cells
#13
Dorina Ujvari, Ivika Jakson, Cecilia Oldmark, Sanaz Attarha, Twana Alkasalias, Daniel Salamon, Sebastian Gidlöf, Angelica Lindén Hirschberg
Prokineticin 1 (PROK1), a hypoxia-regulated angiogenic factor, has emerged as a crucial regulator of embryo implantation and placentation. Dysregulation of PROK1 has been linked to recurrent pregnancy loss, pre-eclampsia, foetal growth restriction and preterm birth. These pregnancy complications are common in women with obesity and polycystic ovary syndrome, i.e. conditions associated with insulin resistance and compensatory hyperinsulinaemia. We investigated the effect of insulin on PROK1 expression during in vitro decidualization...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782180/down-regulation-of-mir-10a-5p-in-synoviocytes-contributes-to-tbx5-controlled-joint-inflammation
#14
Nazim Hussain, Wenhua Zhu, Congshan Jiang, Jing Xu, Xiaoying Wu, Manman Geng, Safdar Hussain, Yongsong Cai, Ke Xu, Peng Xu, Yan Han, Jian Sun, Liesu Meng, Shemin Lu
MicroRNAs are considered to play critical roles in the pathogenesis of human inflammatory arthritis, including rheumatoid arthritis (RA). The purpose of this study was to determine the relationship between miR-10a-5p and TBX5 in synoviocytes and evaluate their contribution to joint inflammation. The expression of miR-10a-5p and TBX5 in the synovium of RA and human synovial sarcoma cell line SW982 stimulated by IL-1β was determined by RT-qPCR and Western blotting. The direct interaction between miR-10a-5p and TBX5 3'UTR was determined by dual-luciferase reporter assay in HeLa cells...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782175/the-mechanism-of-acute-fasting-induced-antidepressant-like-effects-in-mice
#15
Ranji Cui, Jie Fan, Tongtong Ge, Linda Tang, Bingjin Li
Acute fasting induced antidepressant-like effects. However, the exact brain region and mechanism of these actions are still largely unknown. Therefore, in this study the antidepressant-like effects of acute fasting on c-Fos expression and BDNF levels were investigated. Consistent with our previous findings, immobility time was remarkably shortened by 9 hrs fasting in the forced swimming test. Furthermore, these antidepressant-like effects of 9 fasting were inhibited by a 5-HT2A/2C receptor agonist (±)-1-(2, 5-dimethoxy-4-iodophenyl)-2-aminopropane hydrochloride (DOI), and the effect of DOI was blocked by pretreatment with a selective 5-HT2A receptor antagonist ketanserin...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782172/3-sialyllactose-protects-against-osteoarthritic-development-by-facilitating-cartilage-homeostasis
#16
Jimin Jeon, Li-Jung Kang, Kwang Min Lee, Chanmi Cho, Eun Kyung Song, Wook Kim, Tae Joo Park, Siyoung Yang
3'-Sialyllactose has specific physiological functions in a variety of tissues; however, its effects on osteoarthritic development remain unknown. Here, we demonstrated the function of 3'-sialyllactose on osteoarthritic cartilage destruction. In vitro and ex vivo, biochemical and histological analysis demonstrated that 3'-sialyllactose was sufficient to restore the synthesis of Col2a1 and accumulation of sulphated proteoglycan, a critical factor for cartilage regeneration in osteoarthritic development, and blocked the expression of Mmp3, Mmp13 and Cox2 induced by IL-1β, IL-6, IL-17 and TNF-α, which mediates cartilage degradation...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28782169/impact-of-neonatal-hypoxia-ischaemia-on-oligodendrocyte-survival-maturation-and-myelinating-potential
#17
Malgorzata Ziemka-Nalecz, Justyna Janowska, Lukasz Strojek, Joanna Jaworska, Teresa Zalewska, Malgorzata Frontczak-Baniewicz, Joanna Sypecka
Hypoxic-ischaemic episodes experienced at the perinatal period commonly lead to a development of neurological disabilities and cognitive impairments in neonates or later in childhood. Clinical symptoms often are associated with the observed alterations in white matter in the brains of diseased children, suggesting contribution of triggered oligodendrocyte/myelin pathology to the resulting disorders. To date, the processes initiated by perinatal asphyxia remain unclear, hampering the ability to develop preventions...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28780774/changes-in-haematopoietic-progenitor-colony-differentiation-and-proliferation-and-the-production-of-different-abzymes-in-eae-mice-treated-with-dna
#18
Kseniya S Aulova, Ludmila B Toporkova, Julia A Lopatnikova, Alina A Alshevskaya, Sergei V Sennikov, Valentina N Buneva, Thomas Budde, Sven G Meuth, Nelly A Popova, Irina A Orlovskaya, Georgy A Nevinsky
Immunization of experimental autoimmune encephalomyelitis (EAE)-prone C57BL/6 mice with MOG35-55 (a model used to study aspects of human multiple sclerosis) is known to lead to the production of various abzymes. The production of catalytic IgGs that can efficiently hydrolyse myelin basic protein (MBP), MOG and DNA is associated with changes in the profile of differentiation and level of proliferation of mice bone marrow haematopoietic stem cells (HSCs). As MOG simulates the production of abzymes with high DNase activity, we compared the effects of DNA and MOG immunization on EAE-prone mice...
August 5, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28780773/mir-139-5p-inhibits-the-tumorigenesis-and-progression-of-oral-squamous-carcinoma-cells-by-targeting-hoxa9
#19
Kai Wang, Jun Jin, Tengxiao Ma, Hongfeng Zhai
Our study sought to clarify the effects of microRNA-139-5p (miR-139-5p) in the tumorigenesis and progression of oral squamous cell carcinoma (OSCC) by regulating HOXA9. MiR-139-5p and HOXA9 expression in OSCC tissues, tumour adjacent tissues, OSCC cells and normal cells were tested by qRT-PCR. SAS and CAL-27 cell lines were selected in among four OSCC cell lines and then transfected with miR-139-5p mimics, pEGFP-HOXA9 and cotransfected with miR-139-5p mimics + pEGFP-HOXA9. We used MTT, colony formation, transwell and wound healing assays to analyse cell viability, proliferation, invasion and migration...
August 5, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28767204/blockade-of-myeloid-differentiation-protein-2-prevents-obesity-induced-inflammation-and-nephropathy
#20
Qilu Fang, Lintao Wang, Daona Yang, Xiong Chen, Xiaoou Shan, Yali Zhang, Hazel Lum, Jingying Wang, Peng Zhong, Guang Liang, Yi Wang
Obesity is a major and independent risk factor of kidney diseases. The pathogenic mechanisms of obesity-associated renal injury are recognized to at least involve a lipid-rich and pro-inflammatory state of the renal tissues, but specific mechanisms establishing causal relation remain unknown. Saturated fatty acids are elevated in obesity, and known to induce chronic inflammation in kidneys. Myeloid differentiation protein 2 (MD2) is an important protein in lipopolysaccharide-induced innate immunity response and inflammation...
August 2, 2017: Journal of Cellular and Molecular Medicine
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