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Cell Proliferation

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https://www.readbyqxmd.com/read/28925018/mmp-2-and-notch-signal-pathway-regulate-migration-of-adipose-derived-stem-cells-and-chondrocytes-in-co-culture-systems
#1
Qi Zhang, Shuwen Deng, Ke Sun, Shiyu Lin, Yunfeng Lin, Bofeng Zhu, Xiaoxiao Cai
OBJECTIVES: The crosstalk between chondrocytes and adipose-derived stem cells (ADSCs) could regulate the secretion of multiple growth factors. However, it is not clear how the paracrine action in co-culture systems affect cell migration. This study focused on the changes of cell migration of ADSCs and chondrocytes in co-culture conditions. MATERIALS AND METHODS: Primary ADSCs and chondrocytes were isolated from Sprague-Dawley rat. Transwell co-culture systems, inoculated with ADSCs and chondrocytes, were established in vitro...
September 18, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28924976/spontaneous-generation-of-a-novel-foetal-human-retinal-pigment-epithelium-rpe-cell-line-available-for-investigation-on-phagocytosis-and-morphogenesis
#2
Zhihua Shao, Haiyun Wang, Xuejian Zhou, Baosen Guo, Xuehu Gao, Zengrong Xiao, Meng Liu, Jihong Sha, Chunlian Jiang, Yuping Luo, Zhixue Liu, Siguang Li
OBJECTIVES: Primary retinal pigment epithelium (RPE) cells have a limited capacity to re-establish epithelial morphology and to maintain native RPE function in vitro, and all commercially available RPE cell lines have drawbacks of morphology or function; therefore, the establishment of new RPE cell lines with typical characteristics of RPE would be helpful in further understanding of their physiological and pathological mechanisms. Here, we firstly report a new spontaneously generated RPE line, fhRPE-13A, from a 13-week aborted foetus...
September 18, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28884871/lncrna-atb-an-indispensable-cancer-related-long-noncoding-rna
#3
REVIEW
Jinglin Li, Zhenglong Li, Wangyang Zheng, Xinheng Li, Zhidong Wang, Yunfu Cui, Xingming Jiang
OBJECTIVES: Long non-coding RNAs (lncRNAs) are a group of non-protein-coding RNAs that are greater than 200 nucleotides in length. Increasing evidence indicates that lncRNAs, which may serve as either oncogenes or tumour suppressor genes, play a vital role in the pathophysiology of human diseases, especially in tumourigenesis and progression. Deregulation of lncRNAs impacts different cellular processes, such as proliferation, dedifferentiation, migration, invasion and anti-apoptosis. The aim of this review was to explore the molecular mechanism and clinical significance of long non-coding RNA-activated by transforming growth factor β (lncRNA-ATB) in various types of cancers...
September 8, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28868622/proliferation-inhibition-of-cisplatin-resistant-ovarian-cancer-cells-using-drugs-screened-by-integrating-a-metabolic-model-and-transcriptomic-data
#4
E Motamedian, E Taheri, F Bagheri
OBJECTIVES: If screening to find effective drugs is possible, the inhibition of proliferation using existing drugs can be a practical strategy to control the drug resistance of cancer. Development of a system-oriented strategy to find effective drugs was the main aim of this research. MATERIALS AND METHODS: An algorithm (transcriptional regulated flux balance analysis [TRFBA]) integrating a generic human metabolic model with transcriptomic data was used to identify genes affecting the growth of drug-resistant cancer cells...
September 3, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28857306/the-effect-of-targeted-therapy-on-recruited-cancer-stem-cells-in-a-head-and-neck-carcinoma-model
#5
Loredana G Marcu, David Marcu
OBJECTIVE: Head and neck cancers (HNC) are known for their repopulation ability driven by cancer stem cells (CSCs). While a small fraction of CSCs proliferates, there are quiescent CSCs that are long-lived and reside outside the cell cycle. Recruitment of quiescent CSCs into the cycle occurs as a response to cell loss and their proliferation may lead to treatment failure. Therefore, CSCs require a more targeted approach to be destroyed. An agent that sensitizes CSC response to treatment is all-trans-retinoic acid (ATRA)...
August 30, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28833830/induction-of-retinal-dependent-calcium-influx-in-human-melanocytes-by-uva-or-uvb-radiation-contributes-to-the-stimulation-of-melanosome-transfer
#6
Qing-Mei Hu, Wen-Juan Yi, Meng-Yun Su, Shan Jiang, Shi-Zheng Xu, Tie-Chi Lei
OBJECTIVES: The transfer of melanosomes from melanocytes to neighbouring keratinocytes is critical to protect the skin from the deleterious effects of ultraviolet A (UVA) and ultraviolet B (UVB) irradiation; however, the initial factor(s) that stimulates melanosome transfer remains unclear. In this study, we investigated the induction of retinal-dependent calcium (Ca(2+) ) influx in melanocytes (MCs) by UVA or UVB irradiation and the effect of transient receptor potential cation channel subfamily M member 1 (TRPM1) (melastatin1)-related Ca(2+) influx on melanosome transfer...
August 23, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28833827/periostin-promotes-migration-and-osteogenic-differentiation-of-human-periodontal-ligament-mesenchymal-stem-cells-via-the-jun-amino-terminal-kinases-jnk-pathway-under-inflammatory-conditions
#7
Yi Tang, Lin Liu, Pei Wang, Donglei Chen, Ziqiang Wu, Chunbo Tang
OBJECTIVES: Mesenchymal stem cell (MSC)-mediated periodontal tissue regeneration is considered to be a promising method for periodontitis treatment. The molecular mechanism of functional regulation by MSCs remains unclear, thus limiting their application. Our previous study discovered that Periostin (POSTN) promoted the migration and osteogenic differentiation of periodontal ligament mesenchymal stem cells (PDLSCs), but it is still unclear whether POSTN is able to restore the regenerative potential of PDLSCs under inflammatory conditions...
August 23, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28810055/impact-of-mir-26b-on-cardiomyocyte-differentiation-in-p19-cells-through-regulating-canonical-non-canonical-wnt-signalling
#8
Duo Wang, Chang Liu, Yumei Wang, Wenjing Wang, Kang Wang, Xiujuan Wu, Zhigang Li, Cuimei Zhao, Li Li, Luying Peng
BACKGROUND AND OBJECTIVES: The control of cardiomyocyte differentiation is tightly linked to microRNAs (miRNAs), which have been emerging as important players in heart development. However, the regulation mechanisms mediated by miRNAs in early heart development remains speculative. Here, we evaluated the impact of miR-26b during the progression of cardiomyocyte differentiation from the P19 cell line. MATERIALS AND METHODS: The overexpression of miR-26b in P19 cells was performed by transduction with lentivirus vector...
August 15, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28792637/modulation-of-chondrocyte-motility-by-tetrahedral-dna-nanostructures
#9
Sirong Shi, Shiyu Lin, Xiaoru Shao, Qianshun Li, Zhang Tao, Yunfeng Lin
OBJECTIVES: Contemporarily, a highly increasing attention was paid to nanoconstructs, particularly DNA nanostructures possessing precise organization, functional manipulation, biocompatibility and biodegradability. Amongst these DNA nanomaterials, tetrahedral DNA nanostructures (TDNs) are a significantly ideal bionanomaterials with focusing on the property that can be internalized into cytoplasm in the absence of transfection. Therefore, the focus of this study was on investigating the influence of TDNs on the chondrocytes locomotion...
October 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28771866/cellular-behaviours-of-bone-marrow-derived-mesenchymal-stem-cells-towards-pristine-graphene-oxide-nanosheets
#10
Changbo Wei, Zifeng Liu, Fangfang Jiang, Binghui Zeng, Mingdi Huang, Dongsheng Yu
OBJECTIVES: Graphene oxide (GO), the derivative of graphene with unique properties, has attracted much attention for applications in dental implants. The aim of this study was, by two biomimetic cell culture methods, to investigate the quantitative relationship between the concentration of pristine GO nanosheets and their cellular behaviours towards bone marrow-derived mesenchymal stem cells (BMSCs). MATERIALS AND METHODS: The cells were firstly characterized according to their morphology, self-renewal capabilities and multipotency...
October 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28762597/visfatin-mediates-doxorubicin-resistance-in-human-non-small-cell-lung-cancer-via-akt-mediated-up-regulation-of-abcc1
#11
Zhili Cao, Naixin Liang, Huaxia Yang, Shanqing Li
OBJECTIVES: Non-small-cell lung cancer (NSCLC) is one of the leading causes of cancer deaths worldwide. Increasing levels of visfatin are correlated with worse clinical prognosis of NSCLC. However, the effects of visfatin on drug resistant are still not well illustrated. MATERIALS AND METHODS: Effects of visfatin on drug resistant cells were checked by CCK-8 kit. Gene and protein variations were measured by real-time PCR and western blot analysis, respectively. RESULTS: Our present data confirmed that expression of visfatin was significantly increased in NSCLC cells and tissues...
October 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28762561/diet-induced-obesity-causes-visceral-but-not-subcutaneous-lymph-node-hyperplasia-via-increases-in-specific-immune-cell-populations
#12
A M Magnuson, D P Regan, J K Fouts, A D Booth, S W Dow, M T Foster
OBJECTIVES: The spatial proximity of adipose depots to secondary lymph nodes allows a unique relation between the two systems. Obesity, predominately visceral adiposity, links to numerous diseases; hence, we postulate that secondary lymphatics within this region contributes to disease risk. MATERIAL AND METHODS: Male C57BL/6 mice were fed standard CHOW (18% kcal fat) or Western diet (45% kcal fat) for 7 weeks. Visceral and subcutaneous lymph nodes and associated adipose depots they occupy were excised...
October 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28758259/transient-receptor-potential-melastatin-4-channel-is-required-for-rat-dental-pulp-stem-cell-proliferation-and-survival
#13
T D Ngoc Tran, K E Stovall, T Suantawee, Y Hu, S Yao, L-J Yang, S Adisakwattana, H Cheng
OBJECTIVES: Investigate the role of the transient receptor potential melastatin 4 (TRPM4) channel in rat dental pulp stem cell (DPSC) proliferation and survival. MATERIALS AND METHODS: Immunofluorescence and FACS analysis were used to detect the stem cell marker CD90. Alizarin Red S and Oil Red O staining were used to identify osteoblast and adipocyte differentiation, respectively. To characterize TRPM4, patch-clamp recordings were obtained from single cells in the whole-cell configuration mode...
October 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28752929/progesterone-mediated-angiogenic-activity-of-endothelial-progenitor-cell-and-angiogenesis-in-traumatic-brain-injury-rats-were-antagonized-by-progesterone-receptor-antagonist
#14
Peng Yu, Shengjie Li, Zhifei Zhang, Xiaolong Wen, Wei Quan, Qilong Tian, Chuang Gao, Wanqiang Su, Jianning Zhang, Rongcai Jiang
OBJECTIVES: Progesterone (P4) has the potential therapeutic effects for traumatic brain injury (TBI) whose recovery depended on the enhanced angiogenesis. Endothelial progenitor cell (EPC) plays an essential role in vascular biology. We previously demonstrated that P4 administration improved circulating EPC level and neurological recovery of rat with TBI. Here, we hypothesized that P4 augmented angiogenic potential of EPC and the angiogenesis-related neurorestoration after TBI through classical progesterone receptor (PR)...
October 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28752896/metabolic-reprogramming-by-hif-1-activation-enhances-survivability-of-human-adipose-derived-stem-cells-in-ischaemic-microenvironments
#15
Chang Chen, Qi Tang, Yan Zhang, Minjia Dai, Yichen Jiang, Hang Wang, Mei Yu, Wei Jing, Weidong Tian
OBJECTIVES: Poor cell survival severely limits the beneficial effect of adipose-derived stem cell (ADSC)-based therapy for disease treatment and tissue regeneration, which might be caused by the attenuated level of hypoxia-inducible factor-1 (HIF-1) in these cells after having been cultured in 21% ambient oxygen in vitro for weeks. In this study, we explored the role of pre-incubation in dimethyloxalylglycine (DMOG, HIF-1 activator) in the survivability of human ADSCs in a simulated ischaemic microenvironment in vitro and in vivo...
October 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28741758/stem-cell-derived-exosomes-a-promising-strategy-for-fracture-healing
#16
REVIEW
Zi-Chen Hao, Jun Lu, Shan-Zheng Wang, Hao Wu, Yun-Tong Zhang, Shuo-Gui Xu
OBJECTIVES: To describe the biological characteristics of exosomes and to summarize the current status of stem cell-derived exosomes on fracture healing. Meanwhile, future challenges, limitations and perspectives are also discussed. METHODS: Search and analyze the related articles in pubmed database through the multi-combination of keywords like "stem cells","exosomes","bone regeneration" and "fracture healing". CONCLUSION: Stem cell-derived exosome therapy for fracture healing has been enjoying popularity and is drawing increasing attention...
October 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28741725/cell-derived-micro-environment-helps-dental-pulp-stem-cells-promote-dental-pulp-regeneration
#17
Xuexin Zhang, Hui Li, Jingjing Sun, Xiangyou Luo, Hefeng Yang, Li Xie, Bo Yang, Weihua Guo, Weidong Tian
OBJECTIVES: The function of the dental pulp is closely connected to the extracellular matrix (ECM) structure, and ECM has received significant attention due to its biological functions for regulating cells. As such, the interaction between the ECM niche and cells is worth exploring for potential clinical uses. MATERIALS AND METHODS: In this study, dental pulp stem cell (DPSC)-derived ECM (DPM) was prepared through cell culture and decellularization to function as the cell niche, and changes in DPSC behaviour and histological analysis of dental pulp tissue regeneration were evaluated following the DPM culture...
October 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28737263/lidocaine-inhibits-the-proliferation-of-lung-cancer-by-regulating-the-expression-of-golt1a
#18
Lei Zhang, Rong Hu, Yanyong Cheng, Xiaoyang Wu, Siwei Xi, Yu Sun, Hong Jiang
OBJECTIVES: Lidocaine is the most commonly used local anaesthetic in clinical and can inhibit proliferation, suppress invasion and migration and induce apoptosis in human lung adenocarcinoma (LAD) cells. However, its specific downstream molecular mechanism is unclear. MATERIALS AND METHODS: LAD cell lines, A549 and H1299 cells, were treated with lidocaine. The proliferation was evaluated by the methylthiazolyldiphenyl-tetrazolium bromide (MTT) and bromodeoxyuridine (BrdU) assay...
October 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28731516/mir-181d-regulates-human-dendritic-cell-maturation-through-nf-%C3%AE%C2%BAb-pathway
#19
Xian Wei Su, Gang Lu, Chi Kwan Leung, Qiang Liu, Yi Li, Kam Sze Tsang, Shi Dou Zhao, Danny Tat Ming Chan, Hsiang Fu Kung, Wai Sang Poon
OBJECTIVES: MicroRNAs (miRNAs) are considered as the cellular regulators which post-transcriptionally modulate gene expression in diverse biological processes including cell development and immunity. In this study, we investigated functions of miR-181d in dendritic cells (DCs) maturation, and the underlying mechanisms were also explored. MATERIALS AND METHODS: Here we did the miRNA screening in human DCs in response to lipopolysaccharides (LPS) by quantitative real-time PCR (qRT-PCR)...
October 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28714177/curved-microstructures-promote-osteogenesis-of-mesenchymal-stem-cells-via-the-rhoa-rock-pathway
#20
Qi Zhang, Shiyu Lin, Tao Zhang, Taoran Tian, Quanquan Ma, Xueping Xie, Changyue Xue, Yunfeng Lin, Bofeng Zhu, Xiaoxiao Cai
OBJECTIVES: Cells in the osteon reside in a curved space, accordingly, the curvature of the microenvironment is an important geometric feature in bone formation. However, it is not clear how curved microstructures affect cellular behaviour in bone tissue. MATERIALS AND METHODS: Rat primary bone marrow mesenchymal stem cells (BMSCs) on wavy microgrooves were exposed to PDMS substrates with various curvatures to investigate alterations in cellular morphology and osteogenic differentiation...
August 2017: Cell Proliferation
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