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Journal of Cellular and Molecular Medicine

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https://read.qxmd.com/read/30773847/microrna-876-5p-inhibits-cell-proliferation-migration-and-invasion-by-targeting-c-met-in-osteosarcoma
#1
Weixin Xie, Jie Xiao, Tao Wang, Dongmei Zhang, Zhanchun Li
Recently, aberrant expression of miR-876-5p has been reported to participate in the progression of several human cancers. However, the expression and function of miR-876-5p in osteosarcoma (OS) are still unknown. Here, we found that the expression of miR-876-5p was significantly down-regulated in OS tissues compared to para-cancerous tissues. Clinical association analysis indicated that underexpression of miR-876-5p was positively correlated with advanced clinical stage and poor differentiation. More importantly, OS patients with low miR-876-5p level had a significant shorter overall survival compared to miR-876-5p high-expressing patients...
February 17, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30772951/mesenteric-adipose-tissue-b-lymphocytes-promote-local-and-hepatic-inflammation-in-non-alcoholic-fatty-liver-disease-mice
#2
Zhe Wu, Jun Xu, Jiang Tan, Yang Song, Ling Liu, Feng Zhang, Yifan Zhang, Xia Li, Yujing Chi, Yulan Liu
Mesenteric adipose tissue (MAT) inflammation is associated with non-alcoholic fatty liver disease (NAFLD), and immune cells play pivotal roles in the inflammation of adipose tissue. Here, we investigated the roles of MAT B lymphocytes in NAFLD. Mice fed with high-fat diet (HFD) and normal diet (ND) were killed in time gradients (4, 8 and 12 weeks). Compared with ND-fed mice, intra-hepatic CD45+ CD19+ B lymphocytes increased after 4 weeks (P < 0.01) of HFD feeding, and lasted until the 12th week, infiltrated earlier than CD45+ CD3+ T lymphocytes and CD45+ F4/80+ macrophages...
February 17, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30772950/the-latest-progress-on-mir-374-and-its-functional-implications-in-physiological-and-pathological-processes
#3
REVIEW
Hongjun Bian, Yi Zhou, Dawei Zhou, Yongsheng Zhang, Deya Shang, Jianni Qi
Non-coding RNAs (ncRNAs) have been emerging players in cell development, differentiation, proliferation and apoptosis. Based on their differences in length and structure, they are subdivided into several categories including long non-coding RNAs (lncRNAs >200nt), stable non-coding RNAs (60-300nt), microRNAs (miRs or miRNAs, 18-24nt), circular RNAs, piwi-interacting RNAs (26-31nt) and small interfering RNAs (about 21nt). Therein, miRNAs not only directly regulate gene expression through pairing of nucleotide bases between the miRNA sequence and a specific mRNA that leads to the translational repression or degradation of the target mRNA, but also indirectly affect the function of downstream genes through interactions with lncRNAs and circRNAs...
February 17, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30772948/extracellular-vesicles-from-human-umbilical-cord-mesenchymal-stem-cells-improve-nerve-regeneration-after-sciatic-nerve-transection-in-rats
#4
Yongbin Ma, Liyang Dong, Dan Zhou, Li Li, Wenzhe Zhang, Yu Zhen, Ting Wang, Jianhua Su, Deyu Chen, Chaoming Mao, Xuefeng Wang
Peripheral nerve injury results in limited nerve regeneration and severe functional impairment. Mesenchymal stem cells (MSCs) are a remarkable tool for peripheral nerve regeneration. The involvement of human umbilical cord MSC-derived extracellular vesicles (hUCMSC-EVs) in peripheral nerve regeneration, however, remains unknown. In this study, we evaluated functional recovery and nerve regeneration in rats that received hUCMSC-EV treatment after nerve transection. We observed that hUCMSC-EV treatment promoted the recovery of motor function and the regeneration of axons; increased the sciatic functional index; resulted in the generation of numerous axons and of several Schwann cells that surrounded individual axons; and attenuated the atrophy of the gastrocnemius muscle...
February 17, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30772947/local-oestrogen-therapy-modulates-extracellular-matrix-and-immune-response-in-the-vaginal-tissue-of-post-menopausal-women-with-severe-pelvic-organ-prolapse
#5
Tanya Tyagi, May Alarab, Yvonne Leong, Stephen Lye, Oksana Shynlova
This study investigates the effect of local oestrogen therapy (LET) on the expression of proteins participating in collagen/elastin biogenesis and immune markers in vaginal tissues of post-menopausal women with severe pelvic organ prolapse (POP). Vaginal biopsies were collected from the anterior vaginal wall of informed and consented 52 post-menopausal women with severe POP undergoing total hysterectomy. Twenty-nine of the 52 women were treated with LET (in the form of vaginal oestrogen cream or tablet), while the remaining 23 untreated patients served as the controls...
February 17, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30770640/ligustilide-attenuates-nitric-oxide-induced-apoptosis-in-rat-chondrocytes-and-cartilage-degradation-via-inhibiting-jnk-and-p38-mapk-pathways
#6
Yan Zhou, Jianghua Ming, Yaming Li, Ming Deng, Qing Chen, Yonggang Ma, Zhonghui Chen, Yubiao Zhang, Shiqing Liu
Ligustilide (LIG) is the main lipophilic component of the Umbelliferae family of pharmaceutical plants, including Radix angelicae sinensis and Ligusticum chuanxiong. LIG shows various pharmacological properties associated with anti-inflammation and anti-apoptosis in several kinds of cell lines. However, the therapeutic effects of LIG on chondrocyte apoptosis remain unknown. In this study, we investigated whether LIG had an anti-apoptotic activity in sodium nitroprusside (SNP)-stimulated chondrocyte apoptosis and could delay cartilage degeneration in a surgically induced rat OA model, and elucidated the potential mechanisms...
February 15, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30770626/lef1-as1-long-non-coding-rna-inhibits-proliferation-in-myeloid-malignancy
#7
Ada Congrains-Castillo, Fernanda S Niemann, Adriana S Santos Duarte, Sara T Olalla-Saad
LEF1 antisense RNA 1 (LEF1-AS1) is an antisense long non-coding RNA encoded in the lymphoid enhancer-binding factor 1 (LEF1) locus. LEF1-AS1 is a conserved transcript dysregulated in hematopoiesis. This study aimed to functionally characterize the role of this transcript in myeloid malignancy and explore a possible regulatory effect of LEF1-AS1 upon LEF1. We show that LEF1-AS1 is highly expressed in normal hematopoietic stem cells but barely detectable in myeloid malignant cell lines. Additionally, bone marrow cells from myelodysplastic syndrome (n=12) and acute myeloid malignancy patients (n=28) expressed significantly reduced levels of LEF1-AS1 compared to healthy controls (n=15)...
February 15, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30770623/matrine-attenuates-high-fat-diet-induced-in-vivo-and-ox-ldl-induced-in-vitro-vascular-injury-by-regulating-the-pkc%C3%AE-enos-and-pi3k-akt-enos-pathways
#8
Song Zhang, Shun Guo, Xiao-Bo Gao, An Liu, Wei Jiang, Xi Chen, Peng Yang, Lin-Na Liu, Lei Shi, Yan Zhang
Lipid metabolism disorders lead to vascular endothelial injury. Matrine is an alkaloid that has been used to improve obesity and diabetes and for the treatment of hepatitis B. However, its effect on lipid metabolism disorders and vascular injury is unclear. Here, we investigated the effect of matrine on high-fat diet fed mice and oxidized low-density lipoprotein (ox-LDL)-induced human umbilical vein endothelial cells (HUVECs). Computational virtual docking analyses, phosphoinositide 3-kinase (PI3K) and protein kinase C-α (PKCα) inhibitors were used to localize matrine in vascular injuries...
February 15, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30768878/ccl18-promotes-the-metastasis-of-squamous-cell-carcinoma-of-the-head-and-neck-through-mtdh-nf-%C3%AE%C2%BAb-signalling-pathway
#9
Yuexiang Qin, Juncheng Wang, Gangcai Zhu, Guo Li, Haolei Tan, Changhan Chen, Leiming Pi, Li She, Xiyu Chen, Ming Wei, Zhexuan Li, Zhifeng Liu, Donghai Huang, Yong Liu, Xin Zhang
Metastasis is one of the primary causes for high mortality in patients with squamous cell carcinoma of the head and neck (SCCHN). Our previous study showed that chemokine (C-C motif) ligand 18 (CCL18), derived from tumour-associated macrophages (TAMs), regulates SCCHN metastasis by promoting epithelial-mesenchymal transition (EMT) and preserving stemness. However, the underlying mechanism needs to be further investigation. Interestingly, metadherin (MTDH) expression was induced when SCCHN cells were stimulated with recombinant CCL18 protein in this study...
February 15, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30762286/ssrp1-promotes-colorectal-cancer-progression-and-is-negatively-regulated-by-mir-28-5p
#10
Wei Wu, Ke He, Qian Guo, Jingdi Chen, Mengjiao Zhang, Kai Huang, Dongmei Yang, Lu Wu, Yunchao Deng, Xu Luo, Honggang Yu, Qianshan Ding, Guoan Xiang
In this study, microarray data analysis, real-time quantitative PCR and immunohistochemistry were used to detect the expression levels of SSRP1 in colorectal cancer (CRC) tissue and in corresponding normal tissue. The association between structure-specific recognition protein 1 (SSRP1) expression and patient prognosis was examined by Kaplan-Meier analysis. SSRP1 was knocked down and overexpressed in CRC cell lines, and its effects on proliferation, cell cycling, migration, invasion, cellular energy metabolism, apoptosis, chemotherapeutic drug sensitivity and cell phenotype-related molecules were assessed...
February 14, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30761741/eif5a-regulates-proliferation-and-chemoresistance-in-pancreatic-cancer-through-the-shh-signalling-pathway
#11
Zheng Wang, Jie Jiang, Tao Qin, Ying Xiao, Liang Han
BACKGROUND: Pancreatic cancer (PC) has a very poor prognosis and comparatively short survival. Eukaryotic translation initiation factor 5A (EIF5A) promotes cancer metastasis. Here, we exploited the biological role of EIF5A in PC chemoresistance. METHODS: Expression of EIF5A was analysed in PC cells and tissues by real-time PCR, Western blotting, immunohistochemistry and immunofluorescent. EIF5A expression was specifically suppressed by transfection, and subsequently the alterations of growth behaviour and resistance to anticancer treatment were tested in an orthotopic tumour model...
February 14, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30761739/pecam-1-modulates-liver-damage-induced-by-synergistic-effects-of-tnf-%C3%AE-and-irradiation
#12
Gesa Malik, Jörg Wilting, Clemens Friedrich Hess, Giuliano Ramadori, Ihtzaz Ahmed Malik
The mechanisms of radiation-induced liver damage are poorly understood. We investigated if tumour necrosis factor (TNF)-α acts synergistically with irradiation, and how its activity is influenced by platelet endothelial cell adhesion molecule-1 (PECAM-1). We studied murine models of selective single-dose (25 Gy) liver irradiation with and without TNF-α application (2 μg/mouse; i.p.). In serum of wild-type (wt)-mice, irradiation induced a mild increase in hepatic damage marker aspartate aminotransferase (AST) in comparison to sham-irradiated controls...
February 14, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30761733/mir-181c-5p-mediates-simulated-microgravity-induced-impaired-osteoblast-proliferation-by-promoting-cell-cycle-arrested-in-the-g-2-phase
#13
Zhongyang Sun, Ying Li, Han Wang, Min Cai, Shanshan Gao, Jing Liu, Liangcheng Tong, Zebing Hu, Yixuan Wang, Ke Wang, Lijun Zhang, Xinsheng Cao, Shu Zhang, Fei Shi, Jianning Zhao
Impaired osteoblast proliferation plays fundamental roles in microgravity-induced bone loss, and cell cycle imbalance may result in abnormal osteoblast proliferation. However, whether microgravity exerts an influence on the cell cycle in osteoblasts or what mechanisms may underlie such an effect remains to be fully elucidated. Herein, we confirmed that simulated microgravity inhibits osteoblast proliferation. Then, we investigated the effect of mechanical unloading on the osteoblast cell cycle and found that simulated microgravity arrested the osteoblast cell cycle in the G2 phase...
February 14, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30761743/mutant-hfgf23-a12d-stimulates-osteoblast-differentiation-through-fgfr3
#14
Yilin Tu, Taoran Qu, Fengshan Chen
Fibroblast growth factor (FGF) 23 is a member of the FGF family involved in bone development by interacting with FGFRs. In a previous study, we discovered a mutant human FGF (hFGF) 23 (A12D) in the mandibular prognathism (MP) pedigree. However, the exact role of hFGF23(A12D) during bone formation remains unclear. The aim of this study was to identify the function of hFGF23(A12D) in bone formation. We infected isolated rat calvaria (RC) cells with the recombinant lentivirus containing mutant hFGF23(A12D) and WT hFGF23 respectively...
February 13, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30756508/identification-of-dysregulation-of-atrial-proteins-in-rats-with-chronic-obstructive-apnea-using-two-dimensional-polyacrylamide-gel-electrophoresis-and-mass-spectrometry
#15
Jacob C Lux, Devika Channaveerappa, Roshanak Aslebagh, Timothy A Heintz, Meredith McLerie, Brian K Panama, Costel C Darie
Obstructive sleep apnea (OSA) affects an estimated 20% of adults worldwide and has been associated with electrical and structural abnormalities of the atria, although the molecular mechanisms are not well understood. Here, we used two-dimensional polyacrylamide gel electrophoresis (2D PAGE) coupled with nanoliquid chromatography-tandem mass spectrometry (nanoLC-MS/MS) to investigate the proteins that are dysregulated in the atria from severe and moderate apnea when compared to control. We found enzymes involved in the glycolysis, beta-oxidation, electron transport chain and Krebs cycle to be down-regulated...
February 12, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30756474/role-of-mitochondrial-calcium-uniporter-mediated-ca-2-and-iron-accumulation-in-traumatic-brain-injury
#16
Li Zhang, Handong Wang, Xiaoming Zhou, Lei Mao, Ke Ding, Zhigang Hu
Previous studies have suggested that the cellular Ca2+ and iron homeostasis, which can be regulated by mitochondrial calcium uniporter (MCU), is associated with oxidative stress, apoptosis and many neurological diseases. However, little is known about the role of MCU-mediated Ca2+ and iron accumulation in traumatic brain injury (TBI). Under physiological conditions, MCU can be inhibited by ruthenium red (RR) and activated by spermine (Sper). In the present study, we used RR and Sper to reveal the role of MCU in mouse and neuron TBI models...
February 12, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30746902/endoplasmic-reticulum-stress-dependent-autophagy-inhibits-glycated-high-density-lipoprotein-induced-macrophage-apoptosis-by-inhibiting-chop-pathway
#17
Hua Tian, Yanyan Li, Panpan Kang, Zhichao Wang, Feng Yue, Peng Jiao, Nana Yang, Shucun Qin, Shutong Yao
This study was designed to explore the inductive effect of glycated high-density lipoprotein (gly-HDL) on endoplasmic reticulum (ER) stress-C/EBP homologous protein (CHOP)-mediated macrophage apoptosis and its relationship with autophagy. Our results showed that gly-HDL caused macrophage apoptosis with concomitant activation of ER stress pathway, including nuclear translocation of activating transcription factor 6, phosphorylation of protein kinase-like ER kinase (PERK) and eukaryotic translation initiation factor 2α, and CHOP up-regulation, which were inhibited by 4-phenylbutyric acid (PBA, an ER stress inhibitor) and the gene silencing of PERK and CHOP...
February 12, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30746871/hnrnpl-inhibits-the-osteogenic-differentiation-of-pdlcs-stimulated-by-srcl-2-through-repressing-setd2
#18
Xiaoshi Jia, Richard J Miron, Chengcheng Yin, Hudi Xu, Tao Luo, Jiwei Wang, Rong Jia, Min Wu, Yufeng Zhang, Yuhong Li
Osteoporosis has been shown to intensify bone loss caused by periodontitis and both share common risk factors. One strategy utilized to manage the disease has been via the release of Sr ions by Strontium Ranelate having a direct effect on preventing osteoclast activation and promoting osteoblast differentiation. Previously we have developed and characterized porous Sr-mesoporous bioactive glass (Sr-MBG) scaffolds and demonstrated their ability to promote periodontal regeneration when compared to MBG alone. Our group further discovered a splicing factor, heterogeneous nuclear ribonucleoprotein L (hnRNPL), was drastically down-regulated in periodontal ligament stem cells (PDLCs) stimulated by Sr through the activation of AKT pathway...
February 12, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30734495/inhibition-of-pai-1-limits-chemotherapy-resistance-in-lung-cancer-through-suppressing-myofibroblast-characteristics-of-cancer-associated-fibroblasts
#19
Takeshi Masuda, Taku Nakashima, Masashi Namba, Kakuhiro Yamaguchi, Shinjiro Sakamoto, Yasushi Horimasu, Shintaro Miyamoto, Hiroshi Iwamoto, Kazunori Fujitaka, Yoshihiro Miyata, Hironobu Hamada, Morihito Okada, Noboru Hattori
Plasminogen activator inhibitor-1 (PAI-1) promotes pulmonary fibrosis through increasing myofibroblast (MF) characteristics, expressing alpha-smooth muscle actin (α-SMA) in fibroblasts. Fibroblasts in the tumour stroma are called cancer-associated fibroblasts (CAFs). Some CAFs have MF characteristics and substantially promote tumour progression and chemotherapy resistance. This study determined whether inhibition of PAI-1 suppressed MF characteristics of CAFs and limited chemotherapy resistance in lung cancer...
February 7, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30734494/critical-role-of-lin28-tnfr2-signalling-in-cardiac-stem-cell-activation-and-differentiation
#20
Qiuling Xiang, Bicheng Yang, Li Li, Bin Qiu, Caihong Qiu, Xiao-Bing Gao, Huanjiao Jenny Zhou, Wang Min
Tumour necrotic factor receptor-2 (TNFR2) has been to be cardiac-protective and is expressed in cardiac progenitor cells. Our goal is to define the mechanism for TNFR2-mediated cardiac stem cell activation and differentiation. By employing a protocol of in vitro cardiac stem cell (CSC) differentiation from human inducible pluripotent stem cell (hiPSC), we show that expression of TNFR2 precedes expression of CSC markers followed by expression of mature cardiomyocyte proteins. Activation of TNFR2 by a specific agonist promotes whereas inhibition of TNFR2 by neutralizing antibody diminishes hiPSC-based CSC differentiation...
February 7, 2019: Journal of Cellular and Molecular Medicine
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