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mesenchymal cell therapy

Weinan Guo, Jinyuan Ma, Tianli Pei, Tao Zhao, Sen Guo, Xiuli Yi, Yu Liu, Shiyu Wang, Guannan Zhu, Zhe Jian, Tianwen Gao, Chunying Li, Wenjun Liao, Qiong Shi
Melanoma is the most malignant skin cancer with increasing incidence worldwide. Although innovative therapies such as BRAF inhibitor and immune checkpoint inhibitor have gained remarkable advances, metastatic melanoma remains an incurable disease for its notorious aggressiveness. Therefore, further clarification of the underlying mechanism of melanoma pathogenesis is critical for the improvement of melanoma therapy. Ubiquitination is an important regulatory event for cancer hallmarks and melanoma development, and the deubiquitinating enzymes including ubiquitin-specific peptidase (USP) families are greatly implicated in modulating cancer biology...
March 14, 2018: Journal of Cellular and Molecular Medicine
Maria E Piroli, Ehsan Jabbarzadeh
Human stem cells hold significant potential for the treatment of various diseases. However, their use as a therapy is hampered because of limited understanding of the mechanisms by which they respond to environmental stimuli. Efforts to understand extracellular biophysical cues have demonstrated the critical roles of geometrical and mechanical signals in determining the fate of stem cells. The goal of this study was to explore the interplay between cell polarity and matrix stiffness in stem cell lineage specification...
March 14, 2018: Annals of Biomedical Engineering
Laura Rosenberg, Charles H Yoon, Gaurav Sharma, Monica M Bertagnolli, Nancy L Cho
Desmoid tumors (DTs) are unusual neoplasms of mesenchymal origin that exhibit locally invasive behavior. Surgical resection is the initial treatment of choice for DTs. For patients with recurrent or unresectable disease, however, medical options are limited. Sorafenib is a multikinase inhibitor with known anti-tumor activity in various cancers via suppression of the PI3K/Akt/mTOR pathway. Here, we examined the effects of sorafenib on patient-derived DT cell lines, with the aim of characterizing the efficacy and molecular mechanism of action...
March 10, 2018: Carcinogenesis
Aleksandra Klimczak, Urszula Kozlowska, Maciej Kurpisz
Muscular dystrophies represent a group of diseases which may develop in several forms, and severity of the disease is usually associated with gene mutations. In skeletal muscle regeneration and in muscular dystrophies, both innate and adaptive immune responses are involved. The regenerative potential of mesenchymal stem/stromal cells (MSCs) of bone marrow origin was confirmed by the ability to differentiate into diverse tissues and by their immunomodulatory and anti-inflammatory properties by secretion of a variety of growth factors and anti-inflammatory cytokines...
March 13, 2018: Archivum Immunologiae et Therapiae Experimentalis
Wei Zhang, Luc Girard, Yu-An Zhang, Tomohiro Haruki, Mahboubeh Papari-Zareei, Victor Stastny, Hans K Ghayee, Karel Pacak, Trudy G Oliver, John D Minna, Adi F Gazdar
Background: Small cell lung cancer (SCLC) is a deadly, high grade neuroendocrine (NE) tumor without recognized morphologic heterogeneity. However, over 30 years ago we described a SCLC subtype with "variant" morphology which did not express some NE markers and exhibited more aggressive growth. Methods: To quantitate NE properties of SCLCs, we developed a 50-gene expression-based NE score that could be applied to human SCLC tumors and cell lines, and genetically engineered mouse (GEM) models...
February 2018: Translational Lung Cancer Research
Jun Wei, Roberta G Marangoni, Feng Fang, Wenxia Wang, Jingang Huang, Joerg H W Distler, John Varga
The mechanisms underlying persistent fibroblast activation and myofibroblast phenoconversion in underlying multi-organ fibrosis in systemic sclerosis (SSc) remain incompletely understood, hindering effective therapies to slow or reverse the process. Cyclin-dependent kinase 5 (CDK5) is a pleiotropic member of the CDK family originally identified in neuronal cells. In contrast to other CDKs, CDK5 activity depends on its CDK5R1 subunit p35. Here we demonstrate that expression of p35 and CDK5 activity are induced by TGF-ß in fibroblasts and adipocytic cell types...
February 13, 2018: Oncotarget
Melissa Lo Monaco, Greet Merckx, Jessica Ratajczak, Pascal Gervois, Petra Hilkens, Peter Clegg, Annelies Bronckaers, Jean-Michel Vandeweerd, Ivo Lambrichts
Due to the restricted intrinsic capacity of resident chondrocytes to regenerate the lost cartilage postinjury, stem cell-based therapies have been proposed as a novel therapeutic approach for cartilage repair. Moreover, stem cell-based therapies using mesenchymal stem cells (MSCs) or induced pluripotent stem cells (iPSCs) have been used successfully in preclinical and clinical settings. Despite these promising reports, the exact mechanisms underlying stem cell-mediated cartilage repair remain uncertain. Stem cells can contribute to cartilage repair via chondrogenic differentiation, via immunomodulation, or by the production of paracrine factors and extracellular vesicles...
2018: Stem Cells International
Fawaz Abomaray, Sebastian Gidlöf, Bartosz Bezubik, Mikael Engman, Cecilia Götherström
Endometriosis is an inflammatory disease marked by ectopic growth of endometrial cells. Mesenchymal stromal cells (MSC) have immunosuppressive properties that have been suggested as a treatment for inflammatory diseases. Therefore, the aim herein was to examine effects of allogeneic MSC on endometriosis-derived cells in vitro as a potential therapy for endometriosis. MSC from allogeneic adipose tissue (Ad-MSC) and stromal cells from endometrium (ESCendo ) and endometriotic ovarian cysts (ESCcyst ) from women with endometriosis were isolated...
2018: Stem Cells International
Gregor Poglajen, Gregor Zemljič, Sabina Frljak, Andraž Cerar, Vesna Andročec, Matjaž Sever, Peter Černelč
Aim of the Review: The aim of this review is to discuss recent advances in clinical aspects of stem cell therapy in chronic nonischemic heart failure (DCMP) with emphasis on patient selection, stem cell types, and delivery methods. Recent Findings: Several stem cell types have been considered for the treatment of DCMP patients. Bone marrow-derived cells and CD34+ cells have been demonstrated to improve myocardial performance, functional capacity, and neurohumoral activation...
2018: Stem Cells International
Song Xu, Kim De Veirman, Ann De Becker, Karin Vanderkerken, Ivan Van Riet
Multiple myeloma (MM) is a malignant plasma cell (PC) disorder, characterized by a complex interactive network of tumour cells and the bone marrow (BM) stromal microenvironment, contributing to MM cell survival, proliferation and chemoresistance. Mesenchymal stem cells (MSCs) represent the predominant stem cell population of the bone marrow stroma, capable of differentiating into multiple cell lineages, including fibroblasts, adipocytes, chondrocytes and osteoblasts. MSCs can migrate towards primary tumours and metastatic sites, implying that these cells might modulate tumour growth and metastasis...
February 22, 2018: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
C X Zhu, W Z Li, Y L Guo, L Chen, G H Li, J J Yu, B Shu, S Peng
Raf kinase inhibitory protein (RKIP) is a well-established metastasis suppressor that is frequently down-regulated in aggressive cancers. However, the impact of RKIP on cancer cell invasion and metastasis in prostate cancer is still elusive. To this end, we overexpressed RKIP in two prostate cancer cell lines. We found that overexpression of RKIP inhibited prostate cancer cells proliferation, migration and invasion. Mechanistically, we found that RKIP overexpression led to down-regula- tion of the NF-kB signaling pathway and inhibition of the epithelial-to-mesenchymal transition, which is important step for cancer metastasis...
2018: Neoplasma
Huihui Wang, Qi Zhong, Tianshu Yang, Ying Qi, Mengchen Fu, Xi Yang, Lu Qiao, Qi Ling, Shangfeng Liu, Yumei Zhao
Dental pulp stem cells (DPSCs) and stem cells from human exfoliated deciduous teeth (SHED) are types of human dental tissue‑derived mesenchymal stem cells (MSCs). These cells possess a capacity for self‑renewal, multilineage differentiation potential and immunomodulatory functions. Previous studies have reported that DPSCs and SHED may be beneficial in regenerative treatments and immunotherapy. The substantial expansion of cells in vitro is a prerequisite to obtaining adequate cell numbers required for cell‑based therapy...
March 9, 2018: Molecular Medicine Reports
Fadilah S Abdul Wahid, Nor Azimah Ismail, Wan Fariza Wan Jamaluddin, Nor Asiah Muhamad, Mohamad Mohamad Azim Mohamad Idris, Nai Ming Lai
BACKGROUND: Revascularisation therapy is the curent gold standard of care for critical limb ischaemia (CLI), although a significant proportion of patients with CLI either are not fit for or do not respond well to this procedure. Recently, novel angiogeneic therapies such as the use of autologous cell-based therapy (CBT) have been examined, but the results of individual trials were inconsistent. OBJECTIVE: To pool all published studies that compared the safety and efficacy of autologous CBT derived from different sources and phenotypes with non cell-based therapy (NCT) in CLI patients...
March 13, 2018: Current Stem Cell Research & Therapy
Banglun Qian, Xiang Wang, Chao Mao, Yiqun Jiang, Ying Shi, Ling Chen, Shuang Liu, Bin Wang, Shu Pan, Yongguang Tao, Hongcan Shi
BACKGROUND: For many years, lung cancer has been the most common and deadly cancer worldwide. Early diagnosis of non-small cell lung cancer (NSCLC) in particular is very difficult because the symptoms are often ignored. The five-year survival rate is very low despite great improvements to therapy. Thus, there is an urgent need to identify prognostic biomarkers and target molecules for the clinical diagnosis and individualized treatment of NSCLC. METHODS: We performed quantitative real-time PCR to determine the expression levels of the long non-coding RNA (lncRNA) linc01433 in NSCLC and normal matched lung tissue...
March 13, 2018: Thoracic Cancer
Hidejiro Torigoe, Kazuhiko Shien, Tatsuaki Takeda, Takahiro Yoshioka, Kei Namba, Hiroki Sato, Ken Suzawa, Hiromasa Yamamoto, Junichi Soh, Masakiyo Sakaguchi, Shuta Tomida, Kazunori Tsukuda, Shinichiro Miyoshi, Shinichi Toyooka
Human epidermal growth factor receptor 2 (HER2) plays an important role in the pathogenesis of various cancers. HER2 alterations have been suggested to be a therapeutic target in non-small-cell lung cancer (NSCLC), just as in breast and gastric cancers. We previously reported that the pan-HER inhibitor afatinib could be a useful therapeutic agent as HER2-targeted therapy for patients with NSCLC harboring HER2 alterations. However, acquired resistance to afatinib was observed in the clinical setting, similar to the case for other HER inhibitors...
March 13, 2018: Cancer Science
Chunyan Yue, Yingying Ding, Yang Gao, Li Li, Yan Pang, Zenghui Liu, Hang Zhang, Yang Xiao, Zujun Jiang, Haowen Xiao
OBJECTIVES: In patients with very severe aplastic anemia (VSAA), neutropenia is prolonged and persistent, resulting in refractory overwhelming infections. Hematopoiesis recovery is urgently needed. METHODS: Six patients with de novo VSAA lacking HLA-identical sibling donors and those who experienced refractory infections, underwent haploidentical related donor (HRD) hematopoietic stem cell transplantation (HSCT) as a first-line therapy. The conditioning regimen consisted of busulfan, cyclophosphamide and rabbit antithymocyte globulin...
March 12, 2018: European Journal of Haematology
Karen L Price, Maria Kolatsi-Joannou, Chiara Mari, David A Long, Paul J D Winyard
Kidney function is directly linked to the number of nephrons which are generated until 32-36 weeks gestation in humans. Failure to make nephrons during development leads to congenital renal malformations, whilst nephron loss in adulthood occurs in progressive renal disease. Therefore, an understanding of the molecular processes which underlie human nephron development may help design new treatments for renal disease. Mesenchyme to epithelial transition (MET) is critical for forming nephrons, and molecular pathways which control rodent MET have been identified...
December 2018: Cell Death Discovery
Mostafa Assem, Samia Kamal, Dina Sabry, Nadia Soliman, Riham M Aly
BACKGROUND: Stem cells have recently received great interest as potential therapeutics alternative for a variety of diseases. The oral and maxillofacial region, in particular, encompasses a variety of distinctive mesenchymal (MSC) populations and is characterized by a potent multilineage differentiation capacity. AIM: In this report, we aimed to investigate the effect of diabetes on the proliferation potential of stem cells isolated from controlled diabetic patients (type 2) and healthy individuals...
February 15, 2018: Open Access Macedonian Journal of Medical Sciences
Andrea Amaroli, Dimitrios Agas, Fulvio Laus, Vincenzo Cuteri, Reem Hanna, Maria Giovanna Sabbieti, Stefano Benedicenti
The literature has supported the concept of mesenchymal stromal cells (MSCs) in bone regeneration as one of the most important applications in oro-maxillofacial reconstructions. However, the fate of the transplanted cells and their effects on the clinical outcome is still uncertain. Photobiomodulation (PBM) plays an important role in the acceleration of tissue regeneration and potential repair. The aim of this in vitro study is to evaluate the effectiveness of PBM with 808 nm diode laser therapy, using a flat-top hand-piece delivery system at a higher-fluence (64 J/cm2 ) irradiation (1 W, continuous-wave) on bone marrow stromal cells (BMSCs)...
2018: Frontiers in Physiology
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