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mesenchymal cell therapy

Masoumeh Ghafarzadeh, Mehrdad Namdari, Ali Eatemadi
Congenital heart disease (CHD) is the most prevalent congenital anomaly in newborn babies. Cardiac malformations have been induced in different animal model experiments, by perturbing some molecules that take part in the developmental pathways associated with myocyte differentiation, specification, or cardiac morphogenesis. The exact epigenetic, environmental, or genetic, basis for these molecules perturbations is yet to be understood. But, scientist have bridged this gap by introducing autologous stem cell into the defective hearts to treat CHD...
October 22, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Hiroko Kitahara, Mariko Hirai, Koroku Kato, George Bou-Gharios, Hiroyuki Nakamura, Shuichi Kawashiri
Inhibition of epidermal growth factor receptor (EGFR) signalling has emerged as a new treatment strategy for oral squamous cell carcinoma (OSCC). Previously, we found that loss of EGFR expression in OSCC was associated with epithelial-mesenchymal transition (EMT), and may have functional implications with regard to resistance to cetuximab, a monoclonal anti-EGFR antibody. Eribulin (a microtubule inhibitor) reportedly renders breast cancer less aggressive, and less likely to metastasise, by triggering mesenchymal‑to‑epithelial (MET) transition...
October 21, 2016: Oncology Reports
Terek Wehbe, Majid Abi Saab, Nassim Abi Chahine, Talar Margossian
We treated 2 patients with progressive, refractory scleroderma with a combined immunotherapy approach using plasmapheresis followed by rituximab and then intravenous umbilical-cord-derived allogeneic mesenchymal stem cells (MSCs). Both patients improved subjectively and objectively for over a year. Upon recurrence of their symptoms, the patients were treated again with allogeneic MSCs alone with a very good response. The combination was well tolerated and effective suggesting a large scale study may be warranted in progressive, refractory Scleroderma...
2016: Stem Cell Investigation
Mijung Kwon, Jae-Hoon Kim, Yevangelina Rybak, Alex Luna, Chel Hun Choi, Joon-Yong Chung, Stephen M Hewitt, Asha Adem, Elizabeth Tubridy, Juan Lin, Steven K Libutti
Filamin A interacting protein 1-like (FILIP1L) is an inhibitor of the canonical WNT pathway. WNT/β-catenin signaling and its downstream pathway, epithelial-to-mesenchymal transition (EMT), play a key role in ovarian cancer metastasis and chemoresistance. To study the clinical implications of FILIP1L in regulating the WNT/β-catenin pathway, the expression of FILIP1L, β-catenin, SNAIL and SLUG was analyzed by immunohistochemistry on tissue microarrays of 369 ovarian samples ranging from normal to metastatic...
October 20, 2016: Oncotarget
Chang Youn Lee, Sunhye Shin, Jiyun Lee, Hyang-Hee Seo, Kyu Hee Lim, Hyemin Kim, Jung-Won Choi, Sang Woo Kim, Seahyung Lee, Soyeon Lim, Ki-Chul Hwang
Stem cell therapy using adult stem cells, such as mesenchymal stem cells (MSCs) has produced some promising results in treating the damaged heart. However, the low survival rate of MSCs after transplantation is still one of the crucial factors that limit the therapeutic effect of stem cells. In the damaged heart, oxidative stress due to reactive oxygen species (ROS) production can cause the death of transplanted MSCs. Apoptosis signal-regulating kinase 1 (ASK1) has been implicated in the development of oxidative stress-related pathologic conditions...
October 20, 2016: International Journal of Molecular Sciences
Amal H Hamza, Widad M Al-Bishri, Laila A Damiati, Hanaa H Ahmed
BACKGROUND: The progresses made in stem cell therapy offer an innovative approach and exhibit great potential for the repair of damaged organs and tissues. This study was conducted with a view to find the mechanisms responsible for the effectiveness of bone marrow-derived mesenchymal stem cells (BM-MSCs) in the suppression of diabetes and experimentally-induced diabetic nephropathy. METHODS: To realize this objective, diabetic and diabetic nephropathy subject groups that underwent MSC treatment were studied through numerous biochemistry and molecular genetics analyses...
October 23, 2016: Renal Failure
Yibo Gan, Sukai Li, Pei Li, Yuan Xu, Liyuan Wang, Chen Zhao, Bin Ouyang, Bing Tu, Chengmin Zhang, Lei Luo, Xiangdong Luo, Xiumei Mo, Qiang Zhou
Mesenchymal stem cell- (MSC-) based therapy is regarded as a potential tissue engineering strategy to achieve nucleus pulposus (NP) regeneration for the treatment of intervertebral disc degeneration (IDD). However, it is still a challenge to induce MSC differentiation in NP-like cells when MSCs are implanted into the NP. The purpose of this study was to construct poly(D,L-lactide-co-glycolide) (PLGA) nanoparticles as carriers for TGF-β3 controlled release and establish a codelivery system of a dextran/gelatin hydrogel with the nanoparticles for long-term processing of discogenesis differentiation...
2016: Stem Cells International
Xiangyang Xia, Quanwei Tao, Qunchao Ma, Huiqiang Chen, Jian'an Wang, Hong Yu
Mesenchymal stromal cells (MSCs) are promising candidates for regenerative medicine because of their multipotency, immune-privilege, and paracrine properties including the potential to promote angiogenesis. Accumulating evidence suggests that the inherent properties of cytoprotection and tissue repair by native MSCs can be enhanced by various preconditioning stimuli implemented prior to cell transplantation. Growth hormone-releasing hormone (GHRH), a stimulator in extrahypothalamus systems including tumors, has attracted great attentions in recent years because GHRH and its agonists could promote angiogenesis in various tissues...
2016: Stem Cells International
Katsuto Tamai, Jouni Uitto
Epidermolysis bullosa is a group of heritable skin fragility disorders with considerable morbidity and mortality. It is known to be caused by mutations in as many as 18 distinct genes, but there is no specific or effective treatment. Preclinical developments of gene correction, protein replacement, and cell-based approaches for treatment have suggested new therapeutic avenues, and some of them, including bone marrow transplantation and mesenchymal stem cell therapy, have entered into early clinical trials. Hammersen et al...
November 2016: Journal of Investigative Dermatology
Darwin J Prockop
From the outset, it was apparent that developing new therapies with mesenchymal stem/stromal cells (MSCs) was not a simple or easy task. Among the earliest experiments was administration of MSCs from normal mice to transgenic mice that developed brittle bones because they expressed a mutated gene for type 1 collagen isolated from a patient with osteogenesis imperfecta. The results prompted a clinical trial of MSCs in patients with severe osteogenesis imperfecta. Subsequent work by large numbers of scientists and clinicians has established that, with minor exceptions, MSCs do not engraft or differentiate to a large extent in vivo...
October 18, 2016: Cytotherapy
Lan Wei, Kuangfa Li, Xueli Pang, Bianqin Guo, Min Su, Yunxiu Huang, Nian Wang, Feihu Ji, Changli Zhong, Junhong Yang, Zhiqian Zhang, Yulin Jiang, Yifeng Liu, Tingmei Chen
BACKGROUND: Accumulating researches have shown that epithelial-mesenchymal transition (EMT) contributes to tumor metastasis. Leptin, a key adipokine secreted from adipocytes, shapes the tumor microenvironment, potentiates the migration of breast cancer cells and angiogenesis, and is also involved in EMT. However, the potential mechanism remains unknown. This study aims to explore the effect of leptin on EMT in breast cancer cells and the underlying mechanism. METHODS: With the assessment of EMT-associated marker expression in MCF-7, SK-BR-3, and MDA-MB-468 cells, the effect of leptin on breast cancer cells was analyzed...
October 21, 2016: Journal of Experimental & Clinical Cancer Research: CR
Lei Wu, Hua Feng, Jinhua Hu, Xiangguo Tian, Chunqing Zhang
Due to the low cost and favorable safety profile, valproic acid (VPA) has been considered as a potential candidate drug for therapy of various cancers. Our present study revealed that VPA, at the concentration (1mM) which has no effect on cell proliferation, can significantly increase the in vitro migration and invasion of hepatocarcinoma (HCC) HepG2 and Huh7 cells via induction of epithelial mesenchymal transition (EMT). VPA treatment can significantly increase the mRNA and protein expression of Snail, the key transcription factor of EMT...
October 18, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Hai-Tao Shan, Hai-Bo Zhang, Wen-Tao Chen, Feng-Zhi Chen, Tao Wang, Jin-Tai Luo, Min Yue, Ji-Hong Lin, An-Yang Wei
[This corrects the article DOI: 10.4103/1008-682X.184271.].
October 14, 2016: Asian Journal of Andrology
Sara Zahedi, Karim Shamsasenjan, Aliakbar Movassaghpour, Parvin Akbarzadehlaleh
Purpose: Mesenchymal Stem Cells (MSCs) are one of the essential members of Bone Marrow (BM) microenvironment and the cells affect normal and malignant cells in BM milieu. One of the most important hematological malignancies is Multiple Myeloma (MM). Numerous studies reported various effects of MSCs on myeloma cells. MSCs initiate various signaling pathways in myeloma cells, particularly NF-kβ. NF-kβ signaling pathway plays pivotal role in the survival, proliferation and resistance of myeloma cells to the anticancer drugs, therefore this pathway can be said to be a vital target for cancer therapy...
September 2016: Advanced Pharmaceutical Bulletin
Davod Pashoutan Sarvar, Karim Shamsasenjan, Parvin Akbarzadehlaleh
Mesenchymal stromal/stem cells (MSCs) are involved in tissue homeostasis through direct cell-to-cell interaction, as well as secretion of soluble factors. Exosomes are the sort of soluble biological mediators that obtained from MSCs cultured media in vitro. MSC-derived exosomes (MSC-DEs) which produced under physiological or pathological conditions are central mediators of intercellular communications by conveying proteins, lipids, mRNAs, siRNA, ribosomal RNAs and miRNAs to the neighbor or distant cells. MSC-DEs have been tested in various disease models, and the results have revealed that their functions are similar to those of MSCs...
September 2016: Advanced Pharmaceutical Bulletin
Shang-Chun Guo, Shi-Cong Tao, Wen-Jing Yin, Xin Qi, Jia-Gen Sheng, Chang-Qing Zhang
Osteonecrosis of the femoral head (ONFH) represents a debilitating complication following glucocorticoid (GC)-based therapy. Synovial-derived mesenchymal stem cells (SMSCs) can exert protective effect in the animal model of GC-induced ONFH by inducing cell proliferation and preventing cell apoptosis. Recent studies indicate the transplanted cells exert therapeutic effects primarily via a paracrine mechanism and exosomes are an important paracrine factor that can be directly used as therapeutic agents for tissue engineering...
2016: International Journal of Biological Sciences
Yoonki Hong, You-Sun Kim, Seok-Ho Hong, Yeon-Mok Oh
There is no therapy currently available that influences the natural history of disease progression in patients with chronic obstructive pulmonary disease (COPD). Although stem cell therapy is considered a potential therapeutic option in COPD, there are no clinical trials proving definitive therapeutic effects in patients with COPD. Recently, it was reported that pioglitazone might potentiate the therapeutic effects of stem cells in patients with heart or liver disease. To test the capacity of pioglitazone pretreatment of stem cells for emphysema repair, we evaluated the therapeutic effects of pioglitazone-pretreated human adipose-derived mesenchymal stem cells (ASCs) on elastase-induced or cigarette smoke-induced emphysema in mice...
October 21, 2016: Experimental & Molecular Medicine
Xiaoyun Dai, Kwang Seok Ahn, Ling Zhi Wang, Chulwon Kim, Amudha Deivasigamni, Frank Arfuso, Jae-Young Um, Alan Prem Kumar, Young-Chae Chang, Dhiraj Kumar, Gopal C Kundu, Junji Magae, Boon Cher Goh, Kam Man Hui, Gautam Sethi
Increasing evidence(s) have indicated that epithelial to mesenchymal transition (EMT) at the advanced stage of liver cancer, not only has the ability to self-renew and progress cancer, but also enables greater resistance to conventional chemo- and radio-therapies. Here, we report that ascochlorin (ASC), an isoprenoid antibiotic could potentiate the cytotoxic effect of doxorubicin (DOX) on HCCLM3, SNU387, SNU49, and SK-Hep-1 hepatocellular carcinoma (HCC) cells, which had a predominantly mesenchymal signature with low expression of E-cadherin but high expression of N-cadherin...
October 7, 2016: Molecular Cancer Therapeutics
Lauren S Sherman, Maran Shaker, Veronica Mariotti, Pranela Rameshwar
Mesenchymal stromal/stem cells (MSC) have emerged as a class of cells suitable for cellular delivery of nanoparticles, drugs and micro-RNA cargo for targeted treatments such as tumor and other protective mechanisms. The special properties of MSC underscore the current use for various clinical applications. Examples of applications include but are not limited to regenerative medicine, immune disorders and anti-cancer therapies. In recent years, there has been intense research in modifying MSC to achieve targeted and efficient clinical outcomes...
October 17, 2016: Cytotherapy
Hui-Mei Lee, Vyomesh Patel, Lie-Fen Shyur, Wai-Leng Lee
BACKGROUND: Oral cancer is the sixth most common cancer worldwide and 90% of oral malignancies are caused by oral squamous cell carcinoma (OSCC). Curcumin, a phytocompound derived from turmeric (Curcuma longa) was observed to have anti-cancer activity which can be developed as an alternative treatment option for OSCC. However, OSCC cells with various clinical-pathological features respond differentially to curcumin treatment. HYPOTHESIS: Intracellular copper levels have been reported to correlate with tumor pathogenesis and affect the sensitivity of cancer cells to cytotoxic chemotherapy...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
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