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Stem cell pulmonary fibrosis

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https://www.readbyqxmd.com/read/27895584/induced-pluripotent-stem-cells-inhibit-bleomycin-induced-pulmonary-fibrosis-in-mice-through-suppressing-tgf-%C3%AE-1-smad-mediated-epithelial-to-mesenchymal-transition
#1
Yan Zhou, Zhong He, Yuan Gao, Rui Zheng, Xiaoye Zhang, Li Zhao, Mingqi Tan
Pulmonary fibrosis is a progressive and irreversible fibrotic lung disorder with high mortality and few treatment options. Recently, induced pluripotent stem (iPS) cells have been considered as an ideal resource for stem cell-based therapy. Although, an earlier study demonstrated the therapeutic effect of iPS cells on pulmonary fibrosis, the exact mechanisms remain obscure. The present study investigated the effects of iPS cells on inflammatory responses, transforming growth factor (TGF)-β1 signaling pathway, and epithelial to mesenchymal transition (EMT) during bleomycin (BLM)-induced lung fibrosis...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27890713/allogeneic-human-mesenchymal-stem-cells-in-patients-with-idiopathic-pulmonary-fibrosis-via-intravenous-delivery-aether-a-phase-i-safety-clinical-trial
#2
Marilyn K Glassberg, Julia Minkiewicz, Rebecca L Toonkel, Emmanuelle S Simonet, Gustavo A Rubio, Darcy Difede, Shirin Shafazand, Aisha Khan, Marietsy V Pujol, Vincent F LaRussa, Lisa H Lancaster, Glenn D Rosen, Joel Fishman, Yolanda N Mageto, Adam Mendizabal, Joshua M Hare
BACKGROUND: Despite recent FDA approval of two new drugs for idiopathic pulmonary fibrosis (IPF), curative therapies remain elusive and mortality remains high. Pre-clinical and clinical data support the safety of human mesenchymal stem cells as a potential novel therapy for this fatal condition. The AETHER trial was the first study designed to evaluate the safety of a single infusion of bone marrow-derived mesenchymal stem cells in patients with idiopathic pulmonary fibrosis. METHODS: Nine patients with mild to moderate IPF were sequentially assigned to one of three cohorts and dosed with a single intravenous infusion of 20, 100, or 200 x 10(6) human bone marrow-derived mesenchymal stem cells per infusion from young, unrelated, male donors...
November 24, 2016: Chest
https://www.readbyqxmd.com/read/27871152/human-adipose-derived-mesenchymal-stem-cells-attenuate-early-stage-of-bleomycin-induced-pulmonary-fibrosis-comparison-with-pirfenidone
#3
Manoj Reddy, Lyle Fonseca, Shashank Gowda, Basavraj Chougule, Aarya Hari, Satish Totey
Background and Objectives: Idiopathic pulmonary fibrosis (IPF) is a progressive, irreversible, invariably fatal fibrotic lung disease with no lasting option for therapy. Mesenchymal stem cells (MSCs) could be a promising modality for the treatment of IPF. Aim of the study was to investigate improvement in survivability and anti-fibrotic efficacy of human adipose-derived mesenchymal stem cells (AD-MSCs) in comparison with pirfenidone in the bleomycin-induced pulmonary fibrosis model. Methods: Human AD-MSCs were administered intravenously on day 3, 6 and 9 after an intra-tracheal challenge with bleomycin, whereas, pirfenidone was given orally in drinking water at the rate of 100 mg/kg body weight three times a day daily from day 3 onward...
November 30, 2016: International Journal of Stem Cells
https://www.readbyqxmd.com/read/27870387/primary-myelofibrosis-2017-update-on-diagnosis-risk-stratification-and-management
#4
Ayalew Tefferi
: Disease overview: Primary myelofibrosis (PMF) is a myeloproliferative neoplasm (MPN) characterized by stem cell-derived clonal myeloproliferation that is often but not always accompanied by JAK2, CALR or MPL mutation, abnormal cytokine expression, bone marrow fibrosis, anemia, splenomegaly, extramedullary hematopoiesis (EMH), constitutional symptoms, cachexia, leukemic progression and shortened survival. DIAGNOSIS: Diagnosis is based on bone marrow morphology...
December 2016: American Journal of Hematology
https://www.readbyqxmd.com/read/27825158/regeneration-of-the-aging-lung-a-mini-review
#5
Sonia Navarro, Barbara Driscoll
Natural lung aging is marked by molecular changes that occur during development, maturation, and late-life decline. At the cellular and whole organ level, degenerative changes that are a hallmark of natural aging (shorter telomeres, increased expression of cellular senescence markers, increased DNA damage, oxidative stress, and apoptosis, accompanied by diminished elasticity) reach pathological levels in aging humans in the form of chronic respiratory disease. Aging strongly correlates with the development and incidence of chronic respiratory diseases, including cancer and idiopathic pulmonary fibrosis, but is most strongly linked with development of chronic obstructive pulmonary disease...
November 9, 2016: Gerontology
https://www.readbyqxmd.com/read/27824820/innate-immune-signaling-and-stem-cell-renewal-in-idiopathic-pulmonary-fibrosis
#6
Paul F Mercer, Rachel C Chambers
No abstract text is available yet for this article.
November 8, 2016: Nature Medicine
https://www.readbyqxmd.com/read/27798371/oncostatin-m-preconditioned-mesenchymal-stem-cells-alleviate-bleomycin-induced-pulmonary-fibrosis-through-paracrine-effects-of-the-hepatocyte-growth-factor
#7
Ying-Wei Lan, Si-Min Theng, Tsung-Teng Huang, Kong-Bung Choo, Chuan-Mu Chen, Han-Pin Kuo, Kowit-Yu Chong
: : Mesenchymal stem cells (MSCs) are widely considered for treatment of pulmonary fibrosis based on the anti-inflammatory, antifibrotic, antiapoptotic, and regenerative properties of the cells. Recently, elevated levels of oncostatin M (OSM) have been reported in the bronchoalveolar lavage fluid of a pulmonary fibrosis animal model and in patients. In this work, we aimed to prolong engrafted MSC survival and to enhance the effectiveness of pulmonary fibrosis transplantation therapy by using OSM-preconditioned MSCs...
October 18, 2016: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/27792269/impaired-immunosuppressive-effect-of-bronchoalveolar-mesenchymal-stem-cells-in-hypersensitivity-pneumonitis-preliminary-findings
#8
Enikő Balogh, Béla Nagy, Ágnes Gyetvai, Zsolt Bene, Zoltán Hendrik, Viktória Jeney, Péter Nagy, Ágnes Papp, József Balla, György Balla, János Kappelmayer, Béla Nagy
BACKGROUND: Bronchoalveolar mesenchymal stem cells (MSCs) play an important role in the maintenance of lung integrity. Therapeutic application of bone marrow-derived MSCs reduced chronic bronchial inflammation in idiopathic pulmonary fibrosis, and improved the ratio of survivors in sepsis with pneumonia. This study investigated the effect of MSCs from bronchoalveolar lavage fluid (BALF) of hypersensitivity pneumonitis (HP) on T-cell function under in vitro conditions. METHODS: Bronchoalveolar MSCs were obtained via bronchoscopy with BAL from children with severe subacute HP...
October 28, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27780343/gene-editing-and-genetic-lung-disease-basic-research-meets-therapeutic-application
#9
Deepthi Alapati, Edward E Morrisey
While our understanding of the genetics and pathology of congenital lung diseases such as surfactant protein deficiency, cystic fibrosis and alpha 1 antitrypsin deficiency is extensive, treatment options are lacking. Since the lung is a barrier organ in direct communication with the external environment, targeted delivery of gene corrective technologies to the respiratory system via intra-tracheal or intranasal routes is an attractive option for therapy. CRISPR/Cas9 gene editing technology is a promising approach to repair or inactivate disease causing mutations...
October 25, 2016: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/27754275/sy-18-1-translational-research-in-pah
#10
Wook-Jin Chung
Pulmonary arterial hypertension (PAH) is a life-threatening disorder with a poor prognosis and causes pulmonary vascular remodeling accompanied with increased pulmonary arterial medial wall thickness and fibrosis, which leads to vascular and right ventricular (RV) dysfunction. Despite treatment with prostacyclin, endothelin antagonist, and phosphodiesterase-5 inhibitors the 1-year mortality rate of PAH still remains high. Recent registries, clinical trials, and basic researches have been increasing the knowledge of PAH and it would contribute to potential therapeutic strategies and better clinical outcome...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27694932/hyaluronan-and-tlr4-promote-surfactant-protein-c-positive-alveolar-progenitor-cell-renewal-and-prevent-severe-pulmonary-fibrosis-in-mice
#11
Jiurong Liang, Yanli Zhang, Ting Xie, Ningshan Liu, Huaiyong Chen, Yan Geng, Adrianne Kurkciyan, Jessica Monterrosa Mena, Barry R Stripp, Dianhua Jiang, Paul W Noble
Successful recovery from lung injury requires the repair and regeneration of alveolar epithelial cells to restore the integrity of gas-exchanging regions within the lung and preserve organ function. Improper regeneration of the alveolar epithelium is often associated with severe pulmonary fibrosis, the latter of which involves the recruitment and activation of fibroblasts, as well as matrix accumulation. Type 2 alveolar epithelial cells (AEC2s) are stem cells in the adult lung that contribute to the lung repair process...
October 3, 2016: Nature Medicine
https://www.readbyqxmd.com/read/27688156/mesenchymal-stem-cells-in-the-treatment-of-chronic-lung-disease
#12
Sophie Wecht, Mauricio Rojas
Mesenchymal stem cells (MSCs) are a populace of non-haematopoietic multipotent stromal cells, which have the ability to differentiate into tissue derived from a single germ layer. MSCs have been isolated from various sites, including adipose tissue, skeletal muscle, synovium, spleen, thymus, lung and amniotic fluid, but are most often isolated from bone marrow. MSCs have several valuable functions that make them a promising therapeutic option in the field of regenerative medicine, including the secretion of anti-inflammatory cytokines and growth factors, the migration of cells to the site of injury when administered and the ability to 'rescue' cells through the transfer of functional mitochondria...
November 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27667460/-human-placental-mesenchymal-stem-cells-of-fetal-origin-relieves-mouse-pulmonary-fibrosis-via-downregulating-myd88-and-tgf-%C3%AE-signaling-pathway
#13
Jin Tao, Qinglun Li, Xiaowei Ma, Fei Han, Xiaoming Liu, Jun Wei, Yongzhao Zhu
Objective To investigate the therapeutic effect and mechanism of human placental mesenchymal stem cells of fetal origin (hfPMSCs) cultured in serum-free medium on mouse pulmonary fibrosis induced by bleomycin treatment. Methods Human hfPMSCs were cultured and identified by flow cytometry. Fifteen 6-week-old male SPF C57BL/6J mice were divided into 3 groups: bleomycin treatment group, hfPMSCs transplantation group and negative control group. Pulmonary fibrosis model was induced in the mice of bleomycin treatment group and hfPMSCs transplantation group with bleomycin (1 μg/L, 50 μL) via intratracheal instillation...
October 2016: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/27643272/sy-18-1-translational-research-in-pah
#14
Wook-Jin Chung
Pulmonary arterial hypertension (PAH) is a life-threatening disorder with a poor prognosis and causes pulmonary vascular remodeling accompanied with increased pulmonary arterial medial wall thickness and fibrosis, which leads to vascular and right ventricular (RV) dysfunction. Despite treatment with prostacyclin, endothelin antagonist, and phosphodiesterase-5 inhibitors the 1-year mortality rate of PAH still remains high. Recent registries, clinical trials, and basic researches have been increasing the knowledge of PAH and it would contribute to potential therapeutic strategies and better clinical outcome...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27634598/development-of-a-three-dimensional-bioengineering-technology-to-generate-lung-tissue-for-personalized-disease-modeling
#15
Dan C Wilkinson, Jackelyn A Alva-Ornelas, Jennifer M S Sucre, Preethi Vijayaraj, Abdo Durra, Wade Richardson, Steven J Jonas, Manash K Paul, Saravanan Karumbayaram, Bruce Dunn, Brigitte N Gomperts
: : Stem cell technologies, especially patient-specific, induced stem cell pluripotency and directed differentiation, hold great promise for changing the landscape of medical therapies. Proper exploitation of these methods may lead to personalized organ transplants, but to regenerate organs, it is necessary to develop methods for assembling differentiated cells into functional, organ-level tissues. The generation of three-dimensional human tissue models also holds potential for medical advances in disease modeling, as full organ functionality may not be necessary to recapitulate disease pathophysiology...
September 15, 2016: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/27607446/allogeneic-hematopoietic-stem-cell-transplantation-for-dyskeratosis-congenita
#16
Shaimaa Elmahadi, Hideki Muramatsu, Seiji Kojima
PURPOSE OF REVIEW: Dyskeratosis congenita is an inherited bone marrow failure syndrome caused by defects in telomere maintenance. Hematopoietic stem cell transplantation (HSCT) is the only curative treatment for bone marrow failure because of dyskeratosis congenita. The present review summarizes the literature with respect to the diagnosis and treatment of patients with dyskeratosis congenita who received HSCT, and discusses the recent progress in the management of dyskeratosis congenita...
November 2016: Current Opinion in Hematology
https://www.readbyqxmd.com/read/27600422/-regulation-of-airway-stem-cell-proliferation-in-idiopathic-pulmonary-fibrosis
#17
S X Yang, Q Wu, X Sun, X Li, K Li, L Xu, Y Li, Q Y Zhang, Y C Zhang, H Y Chen
OBJECTIVE: To investigate the effect of fibroblasts on regulating airway stem cell proliferation in idiopathic pulmonary fibrosis. METHODS: Lung cell suspension was prepared from β-actin-GFP mice. Airway stem cells were obtained by fluorescence activated cell sorting and co-cultured with lung fibroblasts. The fibroblasts were treated with TGF-β inhibitor SB43142. The expression of growth factors FGF1/2 and the effect of FGF1/2 on stem cell proliferation were observed...
September 2016: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/27583245/from-here-to-there-progenitor-cells-and-stem-cells-are-everywhere-in-lung-vascular-remodeling
#18
REVIEW
Rebecca L Heise, Patrick A Link, Laszlo Farkas
The field of stem cell biology, cell therapy, and regenerative medicine has expanded almost exponentially, in the last decade. Clinical trials are evaluating the potential therapeutic use of stem cells in many adult and pediatric lung diseases with vascular component, such as bronchopulmonary dysplasia (BPD), chronic obstructive pulmonary disease (COPD), idiopathic pulmonary fibrosis (IPF), or pulmonary arterial hypertension (PAH). Extensive research activity is exploring the lung resident and circulating progenitor cells and their contribution to vascular complications of chronic lung diseases, and researchers hope to use resident or circulating stem/progenitor cells to treat chronic lung diseases and their vascular complications...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27536485/the-opposite-expected-effect-of-p38-inhibitors-on-fat-graft-survival
#19
Simon A Filson, Aviad Keren, Nyra Goldstein, Yehuda Ullmann
BACKGROUND: Fat grafting is an increasingly popular method of augmentation/reconstruction of soft tissue defects. However, the clinical unpredictability and high resorption rates of the grafts remain problematic. Cellular stress from the harvest and the ensuing ischemic episode may be the cause of this. Cellular stress activates the p38 mitogen-activated protein kinase (MAPK) signaling pathway. In response to cellular stress, the p38 pathway can lead to apoptosis and can negatively regulate cell proliferation...
July 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/27509163/an-official-american-thoracic-society-workshop-report-2015-stem-cells-and-cell-therapies-in-lung-biology-and-diseases
#20
Darcy E Wagner, Wellington V Cardoso, Sarah E Gilpin, Susan Majka, Harald Ott, Scott H Randell, Bernard Thébaud, Thomas Waddell, Daniel J Weiss
The University of Vermont College of Medicine, in collaboration with the NHLBI, Alpha-1 Foundation, American Thoracic Society, Cystic Fibrosis Foundation, European Respiratory Society, International Society for Cellular Therapy, and the Pulmonary Fibrosis Foundation, convened a workshop, "Stem Cells and Cell Therapies in Lung Biology and Lung Diseases," held July 27 to 30, 2015, at the University of Vermont. The conference objectives were to review the current understanding of the role of stem and progenitor cells in lung repair after injury and to review the current status of cell therapy and ex vivo bioengineering approaches for lung diseases...
August 2016: Annals of the American Thoracic Society
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