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https://www.readbyqxmd.com/read/28732434/effects-of-intraperitoneal-injection-of-allogeneic-bone-marrow-derived-mesenchymal-stem-cells-on-bronchiolitis-obliterans-in-mice-model
#1
Sakine Işık, Nevin Uzuner, Meral Karaman, Özkan Karaman, Müge Kıray, İlknur Kozanoğlu, Hüsnü Alper Bağrıyanık, Zeynep Arıkan-Ayyıldız, Melis Kartal Yandım, Yusuf Baran
Bone marrow-derived mesenchymal stem cells (BMSCs) can ameliorate a variety of lung diseases such as asthma, lung fibrosis, and acute lung injury by its anti-inflammatory and immunmodulatory effects. In this study, we developed a mouse model of bronchiolitis obliterans (BO) and evaluated the effects of the intraperitoneal administration of BMSCs on lung histopathology and cytokine levels. 25 BALB/c mice were divided into four groups; control group (Group I), BO developed and 1x106 BMSCs-injected group (Group II), non-BO, 1x106 BMSCs-injected group (Group III), and BO developed and saline-injected group (Group IV)...
June 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28732374/the-protective-effect-of-pft%C3%AE-on-alcohol-induced-osteonecrosis-of-the-femoral-head
#2
Yi-Xuan Chen, Dao-Yu Zhu, Jun-Hui Yin, Wen-Jing Yin, Yue-Lei Zhang, Hao Ding, Xiao-Wei Yu, Jiong Mei, You-Shui Gao, Chang-Qing Zhang
Epidemiologic studies have shown alcohol plays a pivotal role in the development of osteonecrosis of the femoral head (ONFH). The aim of this study was to explore the underlying mechanism of alcohol-induced ONFH and the protective effect of pifithrin-α (PFTα). In vitro, we found ethanol treatment significantly activated p53, suppressed Wnt/β-catenin signaling and inhibited osteogenic-related proteins. Furthermore, by separating the cytoplasmic and nuclear proteins, we found ethanol inhibited osteogenesis by impairing the accumulation of β-catenin in both the cytoplasm and nucleus in human bone mesenchymal stem cells (hBMSCs), which resulted from activating glycogen synthase kinase-3β (GSK-3β)...
July 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732366/rassf6-downregulation-promotes-the-epithelial-mesenchymal-transition-and-predicts-poor-prognosis-in-colorectal-cancer
#3
Rui Zhou, Lin Qiu, Xiaolong Liu, Lijuan Ling, Ninglei Li, Kun Zhou, Jingbo Sun, Jian Yan, Canliang Tan, Xiaoping Huang, Luzhe Han, Liangchun Yin, Gang Xiao, Lixin Liu
Distant metastasis is the primary barrier for the successful treatment of patients with colorectal cancer, and thus, searching for new therapeutic targets by further exploring the molecular mechanisms of colorectal cancer metastasis is important. In this study, we investigated the biological and clinical significance of RASSF6 in colorectal cancer as well as the underlying molecular mechanisms. We found that low RASSF6 expression corresponds to a poor prognosis in colorectal cancer patients, and low RASSF6 expression is distinctly associated with tumour progression...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732358/lenalidomide-restores-the-osteogenic-differentiation-of-bone-marrow-mesenchymal-stem-cells-from-multiple-myeloma-patients-via-deactivating-notch-signaling-pathway
#4
Juan Guo, Chengming Fei, Youshan Zhao, Sida Zhao, Qingqing Zheng, Jiying Su, Dong Wu, Xiao Li, Chunkang Chang
Multiple myeloma (MM) always presents osteolytic bone lesions, resulting from the abnormal osteoblastic and osteoclastic function in patients. MM patients exhibit the impairment of osteogenic differentiation of BMMSCs (bone marrow mesenchymal stem cells) and osteoblast deficiency. Effects of the drug, lenalidomide on the osteoblastic functions and the involved mechanisms remain unexplored. In the present study, it is observed that the osteogenic differentiation of BMMSCs from MM patients (MM-MSCs) is impaired and activation of Notch signaling pathway in MM-MSCs is abnormal...
July 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732326/therapeutic-applications-of-histone-deacetylase-inhibitors-in-sarcoma
#5
REVIEW
Fan Tang, Edwin Choy, Chongqi Tu, Francis Hornicek, Zhenfeng Duan
Sarcomas are a rare group of malignant tumors originating from mesenchymal stem cells. Surgery, radiation and chemotherapy are currently the only standard treatments for sarcoma. However, their response rates to chemotherapy are quite low. Toxic side effects and multi-drug chemoresistance make treatment even more challenging. Therefore, better drugs to treat sarcomas are needed. Histone deacetylase inhibitors (HDAC inhibitors, HDACi, HDIs) are epigenetic modifying agents that can inhibit sarcoma growth in vitro and in vivo through a variety of pathways, including inducing tumor cell apoptosis, causing cell cycle arrest, impairing tumor invasion and preventing metastasis...
July 6, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28732247/repairing-sciatic-nerve-injury-with-an-epo-loaded-nerve-conduit-and-sandwiched-in-strategy-of-transplanting-mesenchymal-stem-cells
#6
Wei Zhang, Lihai Zhang, Jianheng Liu, Licheng Zhang, Jian Zhang, Peifu Tang
Transplantation of a biosynthetic nerve conduit carrying neuro-protective cytokines is promising for treating peripheral nerve injury. Here we developed a novel strategy for repairing sciatic nerve injury by EPO-loaded Chitosan nerve conduit (EPO/Chi) and sandwiched-in transplantation of mesenchymal stem cells (MSCs). Then, the beneficial effect of EPO/Chi + MSCs on nerve regeneration was also further investigated by in vitro cellular experiments. In vivo experiment showed that combination of EPO-loaded Chitosan nerve conduit with MSCs could significantly accelerate nerve healing and improve morphological repair...
July 11, 2017: Biomaterials
https://www.readbyqxmd.com/read/28732055/role-of-htra1-in-bone-formation-and-regeneration-in-vitro-and-in-vivo-evaluation
#7
Gladys Filliat, Ali Mirsaidi, André N Tiaden, Gisela A Kuhn, Franz E Weber, Chio Oka, Peter J Richards
The role of mammalian high temperature requirement protease A1 (HTRA1) in somatic stem cell differentiation and mineralized matrix formation remains controversial, having been demonstrated to impart either anti- or pro-osteogenic effects, depending on the in vitro cell model used. The aim of this study was therefore to further evaluate the role of HTRA1 in regulating the differentiation potential and lineage commitment of murine mesenchymal stem cells in vitro, and to assess its influence on bone structure and regeneration in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28731788/identification-of-osr2-transcriptional-target-genes-in-palate-development
#8
X Fu, J Xu, P Chaturvedi, H Liu, R Jiang, Y Lan
Previous studies have identified the odd-skipped related 2 (Osr2) transcription factor as a key intrinsic regulator of palatal shelf growth and morphogenesis. However, little is known about the molecular program acting downstream of Osr2 in the regulation of palatogenesis. In this study, we isolated palatal mesenchyme cells from embryonic day 12.5 (E12.5) and E13.5 Osr2(RFP/+) and Osr2(RFP/-) mutant mouse embryos and performed whole transcriptome RNA sequencing analyses. Differential expression analysis of the RNA sequencing datasets revealed that expression of 70 genes was upregulated and expression of 61 genes was downregulated by >1...
July 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28731632/macrophages-of-different-phenotypes-influence-the-migration-of-bmscs-in-plga-scaffolds-with-different-pore-size
#9
Yuankun Dai, Xuguang Li, Ruihan Wu, Ying Jin, Changyou Gao
Immune modulation of the scaffolds not only reduces the host immunological rejection response, but also improves the regenerative cell migration into the scaffolds. Herein a convenient immune modulation of poly(lactide-co-glycolide) (PLGA) scaffold was applied with macrophages of different phenotypes to evaluate its influence on the migration behavior of bone marrow mesenchymal stem cells (BMSCs). With pro-inflammatory macrophages (M1) pre-loading, BMSCs migrated significantly faster into the PLGA scaffold, compared with those in the control scaffold or pre-seeded with inactivated macrophages (M0)...
July 21, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28731631/substrate-curvature-restricts-spreading-and-induces-differentiation-of-human-mesenchymal-stem-cells
#10
Sang Joo Lee, Shengyuan Yang
While cells attach, spread, migrate, proliferate, and differentiate in three-dimensional (3D) micromechanical environments, the mechanical factors of these environments influence the shapes, sizes, and adhesion forces of the cells. Here, we culture human mesenchymal stem cells (hMSCs) on a unique class of curvature-defined substrates, micro glass ball embedded polyacrylamide gels, prepared with an improved protocol, and we investigate the spreading responses of the hMSCs on the glass balls to study the effects of substrate curvature on the spreading of hMSCs...
July 21, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28731460/corrigendum-effect-of-age-on-pro-inflammatory-mirnas-contained-in-mesenchymal-stem-cell-derived-extracellular-vesicles
#11
J Fafián-Labora, I Lesende-Rodriguez, P Fernández-Pernas, S Sangiao-Alvarellos, L Monserrat, O J Arntz, F A J van de Loo, J Mateos, M C Arufe
This corrects the article DOI: 10.1038/srep43923.
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28731277/tnf-%C3%AE-induced-nf-%C3%AE%C2%BAb-activation-promotes-myofibroblast-differentiation-of-lr-mscs-and-exacerbates-bleomycin-induced-pulmonary-fibrosis
#12
Jiwei Hou, Tan Ma, Honghui Cao, Yabing Chen, Cong Wang, Xiang Chen, Zou Xiang, Xiaodong Han
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive, and irreversible lung disease of unknown cause. It has been reported that both lung resident mesenchymal stem cells (LR-MSCs) and tumor necrosis factor-α (TNF-α) play important roles in the development of pulmonary fibrosis. However, the underlying connections between LR-MSCs and TNF-α in the pathogenesis of pulmonary fibrosis are still elusive. In this study, we found that the pro-inflammatory cytokine TNF-α and the transcription factor nuclear factor kappa B (NF-κB) p65 subunit were both upregulated in bleomycin-induced fibrotic lung tissue...
July 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28731220/mechanically-tunable-bioink-for-3d-bioprinting-of-human-cells
#13
Aurelien Forget, Andreas Blaeser, Florian Miessmer, Marius Köpf, Daniela F Duarte Campos, Nicolas H Voelcker, Anton Blencowe, Horst Fischer, V Prasad Shastri
This study introduces a thermogelling bioink based on carboxylated agarose (CA) for bioprinting of mechanically defined microenvironments mimicking natural tissues. In CA system, by adjusting the degree of carboxylation, the elastic modulus of printed gels can be tuned over several orders of magnitudes (5-230 Pa) while ensuring almost no change to the shear viscosity (10-17 mPa) of the bioink solution; thus enabling the fabrication of 3D structures made of different mechanical domains under identical printing parameters and low nozzle shear stress...
July 21, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28731185/snail-maintains-metastatic-potential-cancer-stem-like-properties-and-chemoresistance-in-mesenchymal-mouse-breast-cancer-tubo%C3%A2-p2j-cells
#14
Sun Young Ma, Jin-Hee Park, Hana Jung, Sung-Min Ha, Yeonye Kim, Dong Hyen Park, Deuk Hee Lee, Sooyong Lee, In-Ho Chu, So Young Jung, Il-Hwan Kim, Il-Whan Choi, Chang Soo Choi, Saegwang Park
Snail, a zinc-finger transcriptional repressor of E-cadherin expression, is one of the key inducers of epithelial-mesenchymal transition (EMT) in epithelial cancer. In breast cancer, EMT has been associated with malignancies, including metastasis, cancer stem-like properties, and resistance to chemotherapy and radiotherapy. In this study, we analysed the role of Snail in the highly metastatic mesenchymal TUBO‑P2J mouse breast cancer cells, by loss of function using short hairpin RNA. Though silencing Snail did not restore the E-cadherin expression or induce morphological changes, Snail silencing significantly ablated in vitro and in vivo metastatic potentials...
July 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28731172/comparison-of-the-neuronal-differentiation-abilities-of-bone-marrow%C3%A2-derived-and-adipose-tissue%C3%A2-derived-mesenchymal-stem-cells
#15
Yani Zheng, Chao Huang, Fang Liu, Haiyan Lin, Xiangqun Yang, Zhiying Zhang
Bone marrow‑derived mesenchymal stem cells (BMSCs) and adipose tissue‑derived mesenchymal stem cells (ADSCs) are able to differentiate into neuron‑like cells when exposed to small molecule compounds, however the specific differences in their neuronal differentiation abilities remain to be fully elucidated. The present study aimed to compare the neuronal differentiation abilities of BMSCs and ADSCs. BMSCs and ADSCs from the same Sprague Dawley rats were isolated and cultured for use. The proliferation capacity was revealed using a cell counting method...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28731167/high-expression-of-trim29%C3%A2-atdc-contributes-to-poor-prognosis-and-tumor-metastasis-by-inducing-epithelial%C3%A2-mesenchymal-transition-in-osteosarcoma
#16
Si-Xiang Zeng, Qing-Chun Cai, Chi-Hua Guo, Li-Qiang Zhi, Xing Dai, Dang-Feng Zhang, Wei Ma
The association of TRIM29 overexpression with cancer progression and poor clinical prognosis has been reported in the context of several types of cancers. In the present study, we investigated the prognostic relevance of TRIM29 and its involvement in the progression of human osteosarcoma. To the best of our knowledge, this is the first study to demonstrate a major role of TRIM29 in osteosarcoma. Our results showed that the expression of TRIM29 in osteosarcoma tissues was much higher than that in normal bone tissues...
July 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28731154/sypl1-overexpression-predicts-poor-prognosis-of-hepatocellular-carcinoma-and-associates-with-epithelial-mesenchymal-transition
#17
Dong-Han Chen, Qiu-Wan Wu, Xiu-Dong Li, Shuang-Jia Wang, Zhi-Ming Zhang
Hepatocellular carcinoma (HCC) is the second leading cause of cancer mortality worldwide, which is mainly due to relapse and metastasis. Synaptophysin-like 1 (SYPL1), a member of SYP family proteins, exerts complicated functions, which prompted us to wonder whether SYPL1 contributed to HCC progress. Herein, we performed integrative experiments of quantitative real-time polymerase chain reaction (qRT-PCR), western blot analysis and immunohistochemistry (IHC), and found that SYPL1 overexpression in HCC tissues was closely correlated with several malignant clinicopathologic features of HCC...
July 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28731132/mir-374-mediates-the-malignant-transformation-of-gastric-cancer-associated-mesenchymal-stem-cells-in-an-experimental-rat-model
#18
Runbi Ji, Xu Zhang, Hui Qian, Hongbing Gu, Zixun Sun, Fei Mao, Yongmin Yan, Jingyan Chen, Zhaofeng Liang, Wenrong Xu
Mesenchymal stem cells (MSCs) are a critical component of the tumor microenvironment. Upon distinct pathological stimulus, MSCs show phenotypic and functional changes. Gastric cancer is one of the leading causes of cancer‑related deaths worldwide. The roles and mechanisms of MSCs in gastric cancer have not been well characterized. In the present study, we investigated the roles of MSCs in the malignant transformation from gastritis to gastric cancer using an N-methyl-N'-nitro-N-nitrosoguanidine (MNNG)-induced gastric cancer model...
July 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28730782/human-glioma-cells-conditioned-medium-promotes-proliferation-and-migration-of-human-bone-marrow-mesenchymal-stromal-cells-in-vitro
#19
Rusen Zhu, Xinggui Chen, Jinghong Li, Liubo Lan
PURPOSE: To investigate changes in cell proliferation and migration of human bone marrow-derived mesenchymal stromal cells (hMSCs) in glioma environment, in order to assess the tumorigenic risk of hMSCs in the clinical application to treat human gliomas. METHODS: hMSCs were obtained from normal adult persons and identified by their morphological characteristics and test of their stemness. The U251 glioma cell-conditioned medium (U251-CM) was obtained to simulate the human glioma environment in vitro...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28730382/role-of-mesenchymal-stem-cells-in-cancer-development-and-their-use-in-cancer-therapy
#20
Nedime Serakinci, Pinar Tulay, Rasime Kalkan
Stem cells have the ability to perpetuate themselves through self-renewal and generate mature cells of a particular tissue through differentiation. Mesenchymal stem cells (MSCs) play an important role in tissue homeostasis - supporting tissue regeneration. MSCs are rare pluripotent cells supporting hematopoietic and mesenchymal cell lineages. MSCs have a great therapeutic potential in cancer therapy, as well as stem cell exosome and/or microvesicle-mediated tissue regeneration. In this review, the use of hMSCs in stem cell-mediated cancer therapy is discussed...
July 21, 2017: Advances in Experimental Medicine and Biology
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