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Cell Proliferation

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https://www.readbyqxmd.com/read/28319306/microrna-802-plays-a-tumour-suppressive-role-in-tongue-squamous-cell-carcinoma-through-directly-targeting-map2k4
#1
Xiaozhen Wu, Zuode Gong, Lanying Sun, Long Ma, Qibao Wang
OBJECTIVES: Tongue squamous cell carcinoma (TSCC) is the most common oral tumours. MicroRNAs play crucial roles in many cell processes including cell viability, development, apoptosis, migration and invasion. The role of miR-802 in the TSCC is still unknown. MATERIALS AND METHODS: The miR-802 expression in TSCC tissues and cell lines was determined by quantitative real-time polymerase chain reaction. CCK-8 assay was performed to measure the cell viability, while the cell invasion assay was used to determine the cell invasion...
March 20, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28247446/the-clinical-significance-and-biological-function-of-large-tumour-suppressor-2-in-hepatocellular-carcinoma
#2
Rong Liang, Yan Lin, Chun-Ling Yuan, Zhi-Hui Liu, Yong-Qiang Li, Xiao-Ling Luo, Jia-Zhou Ye, Hai-Hong Ye
OBJECTIVES: Present evidence has suggested that large tumour suppressor 2 (LATS2) is abnormally expressed in most human cancer. However, the clinical and prognostic value in hepatocellular carcinoma (HCC) is still unknown. MATERIALS AND METHODS: Large tumour suppressor 2 mRNA and protein expression levels in HCC tissues and cell lines were detected by qRT-PCR, immunohistochemistry or Western blot. The correlation between LATS2 expression and clinicopathological factors was analysed through immunohistochemistry...
March 1, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28244247/regulatory-effects-of-bone-morphogenetic-protein-4-on-tumour-necrosis-factor-%C3%AE-suppressed-runx2-and-osteoprotegerin-expression-in-cementoblasts
#3
Yunlong Wang, Hong He, Zhengguo Cao, Yi Fang, Mingyuan Du, Zhijian Liu
OBJECTIVES: Root resorption is a common phenomenon presented in periodontitis and orthodontic treatment, both of which are accompanied by an elevated TNF-α expression level in the periodontal tissues. Previously, we proved that TNF-α showed an inhibitory effect on cementoblast differentiation, mineralization and proliferation. However, the effect of TNF-α on Runx2 and osteoprotegerin (OPG) expression remains undetermined. This study aimed to identify the influence of TNF-α on Runx2 and OPG expression in cementoblasts and to test whether BMP-2,-4,-6,-7 would affect TNF-α-regulated Runx2 and OPG...
February 28, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28244168/ccat2-a-novel-oncogenic-long-non-coding-rna-in-human-cancers
#4
REVIEW
Yu Xin, Zheng Li, Heyi Zheng, Matthew T V Chan, William Ka Kei Wu
Colon cancer-associated transcript 2 (CCAT2) was originally identified as an oncogenic long non-coding RNA in colorectal cancer. Since its discovery, the oncogenic role of CCAT2 has been increasingly demonstrated in human cancers. In this connection, CCAT2 upregulation is frequently reported and very often associated with tumour progression and poor clinical outcomes. Functionally, knockdown of CCAT2 could induce cancer cell apoptosis and suppress cell proliferation and invasiveness, suggesting that CCAT2 might be a therapeutic target...
February 28, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28217977/mir-506-enhances-the-sensitivity-of-human-colorectal-cancer-cells-to-oxaliplatin-by-suppressing-mdr1-p-gp-expression
#5
Hui Zhou, Changwei Lin, Yi Zhang, Xiuzhong Zhang, Chong Zhang, Pengbo Zhang, Xingwang Xie, Zeqiang Ren
OBJECTIVES: Chemoresistance development represents a major obstacle to the successful treatment of colorectal cancer (CRC). The aim of this study was to elucidate the mechanism by which miR-506 reverses oxaliplatin chemoresistance in CRC. METHODS: In this study, miR-506 levels were measured in 74 patients with colon cancer via quantitative real-time polymerase chain reaction (qRT-PCR) and in situ hybridization (ISH). We subsequently analysed the relationship between miR-506 expression and CRC patient survival via the Kaplan-Meier method...
February 19, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28217951/cytotoxic-effect-of-zinc-oxide-nanoparticles-on-murine-photoreceptor-cells-via-potassium-channel-block-and-na-k-atpase-inhibition
#6
Chao Chen, Wenjuan Bu, Hongyan Ding, Qin Li, Dabo Wang, Hongsheng Bi, Dadong Guo
OBJECTIVE: Zinc oxide (ZnO) nanoparticles can exhibit toxicity towards organisms and oxidative stress is often hypothesized to be one of the most important factors. Nevertheless, the detailed mechanism of toxicity-induced by ZnO nanoparticles has not been completely addressed. The present study aimed to investigate the toxic effects of ZnO nanoparticles on the expression and activity of Na(+) /K(+) -ATPase and on potassium channel block. MATERIALS AND METHODS: In the present study, we explored the cytotoxic effect of ZnO nanoparticles on murine photoreceptor cells using lactate dehydrogenase (LDH) release assay, reactive oxygen species (ROS) determination, mitochondrial membrane potential (Δφm) measurement, delayed rectifier potassium current recordings and Na(+) /K(+) -ATPase expression and activity monitoring...
February 19, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28205330/effect-of-matrix-stiffness-on-osteoblast-functionalization
#7
Tao Zhang, Shiyu Lin, Xiaoru Shao, Qi Zhang, Changyue Xue, Shu Zhang, Yunfeng Lin, Bofeng Zhu, Xiaoxiao Cai
OBJECTIVES: Stiffness of bone tissue differs response to its physiological or pathological status, such as osteoporosis or osteosclerosis. Consequently, the function of cells residing in bone tissue including osteoblasts (OBs), osteoclasts and osteocytes will be affected. However, to the best of our knowledge, the detailed mechanism of how extracellular matrix stiffness affects OB function remains unclear. MATERIALS AND METHODS: We conducted a study that exposed rat primary OBs to polydimethylsiloxane substrates with varied stiffness to investigate the alterations of cell morphology, osteoblastic differentiation and its potential mechanism in mechanotransduction...
February 15, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28205268/the-effect-of-delta-like-1-homologue-on-the-proliferation-and-odontoblastic-differentiation-in-human-dental-pulp-stem-cells
#8
Shengcai Qi, Yanhong Yan, Yue Wen, Jialiang Li, Jing Wang, Fubo Chen, Xiaoshan Tang, Guangwei Shang, Yuanzhi Xu, Raorao Wang
INTRODUCTION: This study aimed to investigate the functions of delta-like homologue 1 (DLK1) in the proliferation and differentiation of human dental pulp stem cells (hDPSCs). METHODS: Immunohistochemical analysis was used to determine the expression of alkaline phosphatase (ALP), dentin sialophosphoprotein (DSPP), DLK1, NOTCH1 and p-ERK1/2 in the mouse first maxillary molar. Recombinant lentivirus was constructed to overexpress DLK1 stably in hDPSCs. The cell viability and proliferation of hDPSCs were examined by CCK8 and EdU incorporation assay respectively...
February 15, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28145066/analysis-of-gene-expression-profiles-between-apical-papilla-tissues-stem-cells-from-apical-papilla-and-cell-sheet-to-identify-the-key-modulators-in-mscs-niche
#9
Shu Diao, Xiao Lin, Liping Wang, Rui Dong, Juan Du, Dongmei Yang, Zhipeng Fan
OBJECTIVES: The microenvironmental niche plays the key role for maintaining the cell functions. The stem cells from apical papilla (SCAPs) are important for tooth development and regeneration. However, there is limited knowledge about the key factors in niche for maintaining the function of SCAPs. In this study, we analyse the gene expression profiles between apical papilla tissues, SCAPs and SCAPs cell sheet to identify the key genes in SCAPs niche. MATERIALS AND METHODS: Microarray assays and bioinformatic analysis were performed to screen the differential genes between apical papilla tissues and SCAPs, and SCAPs and SCAPs cell sheet...
February 1, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28133828/a-defined-mix-of-cytokines-mimics-conditioned-medium-from-cultures-of-bone-marrow-derived-mesenchymal-stem-cells-and-elicits-bone-regeneration
#10
Wataru Katagiri, Kohei Sakaguchi, Takamasa Kawai, Yukiko Wakayama, Masashi Osugi, Hideharu Hibi
OBJECTIVES: We previously reported that conditioned medium from cultures of bone marrow-derived mesenchymal stem cells have strong potential to accelerate bone regeneration. We now examine in vitro and in vivo a defined cytokine cocktail that mimics the effects of conditioned medium on bone regeneration. MATERIALS AND METHODS: A cocktail of recombinant human insulin-like growth factor-1, vascular endothelial growth factor-A and transforming growth factor-β1 was prepared at concentrations similar to those in conditioned medium...
January 30, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28071833/co-culture-with-macrophages-enhances-the-clonogenic-and-invasion-activity-of-endometriotic-stromal-cells
#11
Rachel W S Chan, Cheuk-Lun Lee, Ernest H Y Ng, William S B Yeung
OBJECTIVE: To study the effect on endometrial and endometriotic cells after co-culture with macrophages, using clonogenic, invasion and self-renewal assays. MATERIALS AND METHODS: Peripheral blood samples, endometrium and endometriotic tissues were collected. Autologous macrophages were co-cultured with endometrial and endometriotic cells. The number of colony-forming units (CFU), invasiveness and self-renewal activity after co-culture with macrophages were determined...
January 10, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28271617/erratum
#12
(no author information available yet)
No abstract text is available yet for this article.
April 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28150467/lipopolysaccharide-induced-vascular-smooth-muscle-cells-proliferation-a-new-potential-therapeutic-target-for-proliferative-vascular-diseases
#13
REVIEW
Dehua Jiang, Yu Yang, Dongye Li
Vascular smooth muscle cells (VSMCs) proliferation is involved in vascular atherosclerosis and restenosis. Recent studies have demonstrated that lipopolysaccharide (LPS) promotes VSMCs proliferation, but the signalling pathways which are involved are not completely understood. The purpose of this review was to summarize the existing knowledge of the role and molecular mechanisms involved in controlling VSMCs proliferation stimulated by LPS and mediated by toll-like receptor 4 (TLR4) signalling pathways. Moreover, the potential inhibitors of TLR4 signalling for VSMCs proliferation in proliferative vascular diseases are discussed...
April 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28144997/explant-culture-an-advantageous-method-for-isolation-of-mesenchymal-stem-cells-from-human-tissues
#14
REVIEW
Fatemeh Hendijani
Mesenchymal stem cell (MSC) research progressively moves towards clinical phases. Accordingly, a wide range of different procedures were presented in the literature for MSC isolation from human tissues; however, there is not yet any close focus on the details to offer precise information for best method selection. Choosing a proper isolation method is a critical step in obtaining cells with optimal quality and yield in companion with clinical and economical considerations. In this concern, current review widely discusses advantages of omitting proteolysis step in isolation process and presence of tissue pieces in primary culture of MSCs, including removal of lytic stress on cells, reduction of in vivo to in vitro transition stress for migrated/isolated cells, reduction of price, processing time and labour, removal of viral contamination risk, and addition of supporting functions of extracellular matrix and released growth factors from tissue explant...
April 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28127811/microrna-9-inhibits-the-gastric-cancer-cell-proliferation-by-targeting-tnfaip8
#15
Hong-Yu Gao, Fu-Chun Huo, Hai-Yan Wang, Dong-Sheng Pei
BACKGROUND AND OBJECTIVES: MicroRNA-9 is frequently dysregulated in many human carcinoma types, including gastric cancer (GC). Previous studies demonstrated that the expression of TNFAIP8 in GC is correlated with tumour occurrence, development, invasion, metastasis and prognosis. However, till now, the relationship between MicroRNA-9 and TNFAIP8 in GC has not been reported. MATERIALS AND METHODS: Levels of miR-9 and TNFAIP8 expression in GC tissues and in human GC cell lines were studied using qualitative real-time PCR (qRT-PCR) and Western blotting...
April 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28105699/neat1-a-novel-cancer-related-long-non-coding-rna
#16
REVIEW
Xin Yu, Zheng Li, Heyi Zheng, Matthew T V Chan, William Ka Kei Wu
Aberrant overexpression of the long non-coding RNA NEAT1 (nuclear paraspeckle assembly transcript 1) has been documented in different types of solid tumours, such as lung cancer, oesophageal cancer, colorectal cancer and hepatocellular carcinoma, in which its high levels are associated with poor prognosis. In contrast, NEAT1 is downregulated in acute promyelocytic leukaemia where it promotes leucocyte differentiation. In this review, we provide an overview of current evidence concerning the oncogenic role and potential clinical utilities of NEAT1...
April 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28090705/osteogenic-differentiation-potential-of-adipose-derived-stem-cells-from-ovariectomized-mice
#17
Lei Wang, Chenglong Huang, Qing Li, Xiaomei Xu, Lin Liu, Kui Huang, Xiaoxiao Cai, Jingang Xiao
OBJECTIVES: Osteoporosis (OP) is a systemic disease caused by imbalance between bone resorption and bone formation, commonly resulting from post-menopausal oestrogen deficiency. Although osteogenic differentiation potential of adipose-derived stem cells (ASCs) has been demonstrated, the effect of OP on osteogenic differentiation of ASCs remains unclear. Here, our work has been designed to compare proliferative capacity and osteogenic differentiation ability of ASCs obtained from osteoporotic mice and normal control mice...
April 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28054407/from-genetics-to-epigenetics-new-insights-into-keloid-scarring
#18
REVIEW
Yongjing He, Zhenjun Deng, Mansour Alghamdi, Lechun Lu, Mark W Fear, Li He
Keloid scarring is a dermal fibroproliferative response characterized by excessive and progressive deposition of collagen; aetiology and molecular pathology underlying keloid formation and progression remain unclear. Genetic predisposition is important in the pathogenic processes of keloid formation, however, environmental factors and epigenetic mechanisms may also play pivotal roles. Epigenetic modification is a recent area of investigation in understanding the molecular pathogenesis of keloid scarring and there is increasing evidence that epigenetic changes may play a role in induction and persistent activation of fibroblasts in keloid scars...
April 2017: Cell Proliferation
https://www.readbyqxmd.com/read/27976431/inhibition-of-adipose-tissue-ppar%C3%AE-prevents-increased-adipocyte-expansion-after-lipectomy-and-exacerbates-a-glucose-intolerant-phenotype
#19
A D Booth, A M Magnuson, K A Cox-York, Y Wei, D Wang, M J Pagliassotti, M T Foster
OBJECTIVES: Adipose tissue plays a fundamental role in glucose homeostasis. For example, fat removal (lipectomy, LipX) in lean mice, resulting in a compensatory 50% increase in total fat mass, is associated with significant improvement in glucose tolerance. This study was designed to further examine the link between fat removal, adipose tissue compensation and glucose homeostasis using a peroxisome proliferator-activated receptor γ (PPAR γ; activator of adipogenesis) knockout mouse...
April 2017: Cell Proliferation
https://www.readbyqxmd.com/read/27976428/long-intragenic-non-coding-rna-lincrna-p21-suppresses-development-of-human-prostate-cancer
#20
Xiaohai Wang, Yuan Ruan, Xingjie Wang, Wei Zhao, Qi Jiang, Chenyi Jiang, Yuyang Zhao, Yongzhi Xu, Feng Sun, Yiping Zhu, Shujie Xia, Dongliang Xu
OBJECTIVES: Prostate cancer is one of the most frequent malignancies in men, worldwide, although its underlying mechanisms are not fully understood. Long non-coding RNAs participate in development of human cancers. In this invetsigation, we aimed to study the roles of lincRNA-p21 in development of human prostate cancer. MATERIALS AND METHODS: Expression of lincRNA-p21 was assessed by real-time PCR in cell lines and in human tissues. Lentivirus carrying sh-lincRNA-p21, lincRNA-p21 or control constructs were used to determine their effects on cell proliferation and apoptosis...
April 2017: Cell Proliferation
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