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mesenchymal cell therapy

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https://www.readbyqxmd.com/read/28086811/study-of-the-microrna-expression-profile-of-foreskin-derived-mesenchymal-stromal-cells-following-inflammation-priming
#1
Hussein Fayyad-Kazan, Mohammad Fayyad-Kazan, Bassam Badran, Dominique Bron, Laurence Lagneaux, Mehdi Najar
BACKGROUND: Due to their self-renewal capacity, multi-lineage potential, and immunomodulatory properties, mesenchymal stromal cells (MSCs) are an attractive tool for different therapeutic strategies. Foreskin (FSK), considered as a biological waste material, has already been shown to be a valuable source of MSCs. Besides their typical fibroblast like morphology and International Society for cellular Therapy compliant phenotype, foreskin-MSCs (FSK-MSCs) are clonogenic, and highly proliferative cells with multi-lineage and strong immunomodulatory capacities...
January 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28081224/resveratrol-impairs-glioma-stem-cells-proliferation-and-motility-by-modulating-the-wnt-signaling-pathway
#2
Chiara Cilibrasi, Gabriele Riva, Gabriele Romano, Massimiliano Cadamuro, Riccardo Bazzoni, Valentina Butta, Laura Paoletta, Leda Dalprà, Mario Strazzabosco, Marialuisa Lavitrano, Roberto Giovannoni, Angela Bentivegna
Glioblastoma multiforme (GBM) is a grade IV astrocytoma and the most common form of malignant brain tumor in adults. GBM remains one of the most fatal and least successfully treated solid tumors: current therapies provide a median survival of 12-15 months after diagnosis, due to the high recurrence rate. Glioma Stem Cells (GSCs) are believed to be the real driving force of tumor initiation, progression and relapse. Therefore, better therapeutic strategies GSCs-targeted are needed. Resveratrol is a polyphenolic phytoalexin found in fruits and vegetables displaying pleiotropic health benefits...
2017: PloS One
https://www.readbyqxmd.com/read/28079980/induction-of-mesenchymal-stem-cell-differentiation-in-the-absence-of-soluble-inducer-for-cutaneous-wound-regeneration-by-a-chitin-nanofibers-based-hydrogel
#3
Kangquan Shou, Yao Huang, Baiwen Qi, Xiang Hu, Zhanjun Ma, Ang Lu, Chao Jian, Lina Zhang, Aixi Yu
Transplantation of bone marrow mesenchymal stem cells (BMSCs) has been considered as a promising strategy for wound healing. However, poor viability of engrafted BMSCs and limited capabilities of differentiation into the desired cell types in wounds often hinder their application. Few studies report the induction of BMSCs differentiation into the skin regeneration related cell types using natural biopolymer, e.g., chitin and its derivative. Here we utilized a chitin nanofibers(CNFs) hydrogel as a directive cue to induce BMSCs differentiation for enhancing cutaneous wound regeneration in the absence of cell-differentiating factors...
January 12, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28079609/mesenchymal-stem-cells-induce-epithelial-mesenchymal-transition-in-melanoma-by-paracrine-secretion-of-transforming-growth-factor-%C3%AE
#4
Chuan Lv, Haiying Dai, Mengyan Sun, Hui Zhao, Kai Wu, Ji Zhu, Yuchong Wang, Xian Cao, Zhaofan Xia, Chunyu Xue
Mesenchymal stem cells (MSCs) are considered for potential use as an ideal vehicle to efficiently deliver therapeutic agents in treatment against cancers including melanoma. However, emerging evidence indicates that MSCs promote tumor growth and progression. Therefore, a comprehensive understanding of the role of MSCs is very important to evaluate the MSCs-based therapy in melanoma. B16 melanoma cells treated by MSC conditioned medium (CM), showed significantly enhanced migration and invasion, which was also confirmed in a lung metastasis mice model in vivo...
January 5, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28078807/traumatized-muscle-derived-multipotent-progenitor-cells-recruit-endothelial-cells-through-vascular-endothelial-growth-factor-a-action
#5
Heidi R H Supanc, Shannon Gorman, Rocky S Tuan
Traumatized muscle, such as that debrided from blast injury sites, is considered a promising and convenient tissue source for multipotent progenitor cells (MPCs), a population of adult mesenchymal stem cell (MSC)-like cells. The present study aimed to assess the regenerative therapeutic potential of human traumatized muscle-derived MPCs, e.g., for injury repair in the blast-traumatized extremity, by comparing their pro-angiogenic potential in vitro and capillary recruitment activity in vivo to those of MSCs isolated from human bone marrow, a widely-used tissue source...
January 12, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28075476/silencing-of-gp73-inhibits-invasion-and-metastasis-via-suppression-of-epithelial-mesenchymal-transition-in-hepatocellular-carcinoma
#6
Ying Yang, Qiang Liu, Hua Zhang, Huarong Zhao, Ruin Mao, Zhipeng Li, Sha Ya, Chunli Jia, Yongxing Bao
Epithelial-mesenchymal transition (EMT) is associated with invasion and metastasis of cancer cells. Golgi protein 73 (GP73) is a serum biomarker for hepatocellular carcinoma (HCC) and our previous study demonstrated that the expression of GP73 correlated with aggressive behavior and EMT molecules in HCC. However, its role in metastatic mechanism of HCC is not clear. The aim of this study was to investigate the effect of GP73 on invasion and migration, and underlying mechanism of GP73 involved in EMT of HCC...
January 4, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28075453/mir-375-inhibits-cancer-stem-cell-phenotype-and-tamoxifen-resistance-by-degrading-hoxb3-in-human-er-positive-breast-cancer
#7
Hui Fu, Lei Fu, Chao Xie, Wen-Shu Zuo, Yan-Song Liu, Mei-Zhu Zheng, Jin-Ming Yu
Cancer stem cell (CSC) formation and epithelial-mesenchymal transition (EMT) are pivotal events in tumor cell invasion and metastasis. They have been shown to occur in resistance to tamoxifen. Moreover, microRNAs (miRNAs) have been associated with CSCs, EMT as well as tamoxifen resistance. Studying molecular mechanism of CSCs, EMT as well as tamoxifen resistance will help us to further understand the pathogenesis and progression of the disease and offer new targets for effective therapies. In the present study, we showed that miR-375 inhibits CSC traits in breast cancer MCF-7 cells...
January 9, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28074389/cochlear-epithelial-of-dog-fetuses-a-new-source-of-multipotent-stem-cells
#8
Ana Carolina M Santos, Jéssica Borghesi, Lara Carolina Mario, Adriana Raquel A Anunciação, Andrea Maria Mess, Ana Claudia O Carreira, Phelipe O Favaron, Maria Angélica Miglino
Hearing loss caused by the damage of cochlea sensory cells or neurons is a common human disease, but also affects dogs and other animals. To test their progenitor nature as potential value for future therapies, we characterized cells derived from the cochlear epithelium in dog fetuses. In total, 8 fetuses of 35-40 days of gestation, derived from castration campaigns, were investigated. Cells were analysed by the MTT colorimetric assay and in regard to cell cycle, differentiation capacities, immunophenotypes and qPCR analysis...
January 10, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28073681/association-of-cytoplasmic-cxcr4-with-loss-of-epithelial-marker-and-activation-of-erk1-2-and-akt-signaling-pathways-in-non-small-cell-lung%C3%A2-cancer
#9
Nabil F Saba, Yuxiang Wang, Hongpeng Fu, Lydia Koenig, Fadlo R Khuri, Dong M Shin, Zhuo Georgia Chen
OBJECTIVES: Compelling evidence demonstrates that CXC-chemokine receptor 4 (CXCR4) is involved in tumor invasion, angiogenesis, metastasis, and resistance to chemotherapy in addition to being one of the coreceptors for T-tropic human immunodeficiency virus entry into T cells. However, it remains controversial as to how to identify functionally activated CXCR4 in tumor biopsies, which would assist in determining which patients may benefit from potential CXCR4-targeted therapy. MATERIALS AND METHODS: Immunohistochemistry (IHC) staining on archival tissues of patients with non-small-cell lung cancer (NSCLC) was used to detect a panel of biomarkers, including phospho-ERK1/2, phospho-AKT, and E-cadherin, which are relevant to downstream signaling of CXCR4 and epithelial to mesenchymal transition (EMT)...
December 22, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28072762/giving-axl-the-axe-targeting-axl-in-human-malignancy
#10
Carl M Gay, Kavitha Balaji, Lauren Averett Byers
The receptor tyrosine kinase AXL, activated by a complex interaction between its ligand growth arrest-specific protein 6 and phosphatidylserine, regulates various vital cellular processes, including proliferation, survival, motility, and immunologic response. Although not implicated as an oncogenic driver itself, AXL, a member of the TYRO3, AXL, and MERTK family of receptor tyrosine kinases, is overexpressed in several haematologic and solid malignancies, including acute myeloid leukaemia, non-small cell lung cancer, gastric and colorectal adenocarcinomas, and breast and prostate cancers...
January 10, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28070573/nanoparticle-delivery-of-wnt-1-sirna-enhances-photodynamic-therapy-by-inhibiting-epithelial-mesenchymal-transition-for-oral-cancer
#11
Chuan Ma, Leilei Shi, Yu Huang, Lingyue Shen, Hao Peng, Xinyuan Zhu, Guoyu Zhou
Activation of the epithelial to mesenchymal transition (EMT) in photodynamic therapy (PDT) can lead to the recurrence and progression of tumors. To enhance the effects of PDT, it is essential to inhibit the Wnt/β-catenin signaling pathway involved in EMT progression. Herein, we used polyethylene glycol-polyethyleneimine-chlorin e6 (PEG-PEI-Ce6) nanoparticles to efficiently deliver Wnt-1 small interfering RNA (siRNA) to the cytoplasm of KB cells (oral squamous cell carcinoma) that were subjected to PDT. Wnt-1 siRNA effectively inhibited the Wnt/β-catenin signaling pathway, reducing the expression of Wnt-1, β-catenin and vimentin that are crucial to the EMT...
January 10, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28069878/malat1-is-associated-with-poor-response-to-oxaliplatin-based-chemotherapy-in-colorectal-cancer-patients-and-promotes-chemoresistance-through-ezh2
#12
Peilong Li, Xin Zhang, Haiyan Wang, Lili Wang, Tong Liu, Lutao Du, Yongmei Yang, Chuanxin Wang
A major reason for oxaliplatin chemoresistance in colorectal cancer (CRC) is the acquisition of epithelial-mesenchymal transition (EMT) in cancer cells. The long non-coding RNA, MALAT1, is a highly conserved nuclear ncRNA and a key regulator of metastasis development in several cancers. However, its role in oxaliplatin-induced metastasis and chemo-resistance is not well known. In this study, we aim to investigate the prognostic and therapeutic role of MALAT1 in CRC patients receiving oxaliplatin-based therapy, and further explore the potential transcriptional regulation through interaction with EZH2 based on the established HT29 oxaliplatin-resistant cells...
January 9, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28069384/regulation-of-cancerous-progression-and-epithelial-mesenchymal-transition-by-mir-34c-3p-via-modulation-of-map3k2-signaling-in-triple-negative-breast-cancer-cells
#13
Jiang Wu, Wei-Zhi Li, Mei-Ling Huang, Hong-Liang Wei, Ting Wang, Jing Fan, Nan-Lin Li, Rui Ling
Emerging but limited data have evidenced an essential involvement of microRNAs (miRNAs) in the development and progression of triple negative breast cancer (TNBC), which empowers these small regulators as an innovative therapeutic approach, especially for this unique tumor subgroup still lacking an efficient and specific therapeutic target. Herein, we reported the down-regulation of miR-34c-3p level in TNBC tissues, and its expression was closely associated with estrogen receptor alpha (ERα), but not other receptors, in well-characterized breast cancer (BCa) cells...
January 6, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28068868/mir-26a-mediates-adipogenesis-of-amniotic-fluid-mesenchymal-stem-stromal-cells-via-pten-cyclin-e1-and-cdk6
#14
Ourania Trohatou, Dimitra Zagoura, Nikos Orfanos, Kalliopi I Pappa, Evangelos Marinos, Nicholas Anagnou, Maria G Roubelakis
Recent findings indicate that microRNAs (miRNAs) are critical for the regulatory network of adipogenesis in human mesenchymal stem/stromal cells (MSCs). Fetal MSCs derived from amniotic fluid (AF-MSCs) represent a population of multipotent stem cells characterized by a wide range of differentiation properties that can be applied in cell-based therapies. In this study, miRNA microarray analysis was performed to assess miRNA expression in terminal differentiated AF-MSCs into adipocyte-like cells (AL cells). MiR-26a was identified in high expression levels in AL cells indicating a critical role in the process of adipogenesis...
January 9, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28067107/physical-properties-and-biological-interactions-of-liposomes-developed-as-a-drug-carrier-in-the-field-of-regenerative-medicine
#15
Sławomir Lewicki, Monika Leśniak, Eugeniusz Krzysztof Machaj, Małgorzata Antos-Bielska, Elżbieta Anna Trafny, Janusz Kocik, Zygmunt Pojda
Liposomes are used for encapsulation of the active compounds in different therapies, with the increasing frequency. The important areas of clinical applications of liposomes are cancer targeted treatment, antibiotic delivery or regenerative medicine. The liposomes can transfer both hydrophilic and hydrophobic compounds and have the lipid bilayer which imitates the cell membrane. Liposomes additionally may extend half-live period of drugs and protect them against the elimination in different ways, such as phagocytosis, enzymatic cleavage or exclusion by detoxification...
January 8, 2017: Journal of Liposome Research
https://www.readbyqxmd.com/read/28067105/antimicrobial-effects-of-mastic-extract-against-oral-and-periodontal-pathogens
#16
Stefka Koychev, Henrik Dommisch, Hong Chen, Nicole Pischon
BACKGROUND: Various antimicrobial agents are widely used in the therapy of oral inflammatory diseases. However, their side effects and the appearance of drug resistance justify research on natural antimicrobial agents to target oral pathogens that are safe for the host. In the present study, antimicrobial properties of mastic extract on commensal and pathogenic oral bacteria, as well as its possible cytotoxic effect toward cells of epithelial and mesenchymal origin, were evaluated in comparison to the common antimicrobial agents hydrogen peroxide (H2O2) and chlorhexidine digluconate (CHX)...
January 8, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28066741/cell-therapy-for-cartilage-defects-of-the-hip
#17
Rodrigo Mardones, Alessio Giai Via, Claudio Jofré, José Minguell, Claudio Rodriguez, Alexander Tomic, Matias Salineros
BACKGROUND: Chondral injuries are commonly related to poor clinical outcome, but recent data showed some improvements in function and pain after hip arthroscopy. Cell-based therapies represent an appealing alternative strategy for cartilage regeneration, and interesting results have been recently reported after intra-articular injections of mesenchymal stem cells (MSCs). The results of hip arthroscopy for femoroacetabular impingement (FAI) and intra-articular injections of autologous expanded bone marrow - MSCs (BM-MSCs) are reported in this retrospective study...
July 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28064436/mir-181b-5p-ets1-and-c-met-pathway-exacerbates-the-prognosis-of-pancreatic-ductal-adenocarcinoma-after-radiation-therapy
#18
Hideo Tomihara, Daisaku Yamada, Hidetoshi Eguchi, Yoshifumi Iwagami, Takehiro Noda, Tadafumi Asaoka, Hiroshi Wada, Koichi Kawamoto, Kunihito Gotoh, Yutaka Takeda, Masahiro Tanemura, Masaki Mori, Yuichiro Doki
Preoperative chemoradiation therapy (CRT) for pancreatic ductal adenocarcinoma (PDAC) has emerged as a reasonable strategy that shows good prognostic impact. However, after preoperative CRT, resected specimens exhibited remnant tumor cells, which indicated that some tumor cells had acquired or were selected for resistance to CRT. Recently, two oncological mechanisms, the epithelial-mesenchymal transition (EMT) and the presence of cancer stem cells (CSCs) were reported to be associated with resistance in various cancers...
January 8, 2017: Cancer Science
https://www.readbyqxmd.com/read/28062830/dissecting-inherent-intratumor-heterogeneity-in-patient-derived-glioblastoma-culture-models
#19
Jian Teng, Cintia Carla da Hora, Rami S Kantar, Ichiro Nakano, Hiroaki Wakimoto, Tracy T Batchelor, E Antonio Chiocca, Christian E Badr, Bakhos A Tannous
BACKGROUND: Molecular profile of glioblastoma multiforme (GBM) revealed 4 subtypes, 2 of which, proneural and mesenchymal, have been predominantly observed, with the latter displaying a more aggressive phenotype and increased therapeutic resistance. Single-cell RNA sequencing revealed that multiple subtypes actually reside within the same tumor, suggesting cellular heterogeneity in GBM. Further, plasticity between these 2 subtypes is observed during tumor recurrence and in response to radiation therapy...
January 6, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28061861/oxidative-status-predicts-quality-in-human-mesenchymal-stem-cells
#20
Alessandro Bertolo, Simona Capossela, Gion Fränkl, Martin Baur, Tobias Pötzel, Jivko Stoyanov
BACKGROUND: Human bone marrow-derived mesenchymal stem cells (MSC) are adult progenitor cells with great potential for application in cell-based therapies. From a cell-based therapy perspective, there are two limitations to MSC use: (1) these therapies require large numbers of cells, and long-term expansion of MSC in vitro promotes replicative senescence; and (2) patient variability is a challenge for defining MSC quality standards for transplantation. This study aimed to determine whether low or high oxidative status of MSC correlate with changes in cell expansion and differentiation potentials...
January 6, 2017: Stem Cell Research & Therapy
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