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https://www.readbyqxmd.com/read/29344809/regeneration-of-functional-alveoli-by-adult-human-sox9-airway-basal-cell-transplantation
#1
Qiwang Ma, Yu Ma, Xiaotian Dai, Tao Ren, Yingjie Fu, Wenbin Liu, Yufei Han, Yingchuan Wu, Yu Cheng, Ting Zhang, Wei Zuo
Irreversible destruction of bronchi and alveoli can lead to multiple incurable lung diseases. Identifying lung stem/progenitor cells with regenerative capacity and utilizing them to reconstruct functional tissue is one of the biggest hopes to reverse the damage and cure such diseases. Here we showed that a rare population of SOX9+ basal cells (BCs) located at airway epithelium rugae can regenerate adult human lung. Human SOX9+ BCs can be readily isolated by bronchoscopic brushing and indefinitely expanded in feeder-free condition...
January 17, 2018: Protein & Cell
https://www.readbyqxmd.com/read/29341112/conditionally-reprogrammed-cells-crc-methodology-does-not-allow-the-in-vitro-expansion-of-patient-derived-primary-and-metastatic-lung-cancer-cells
#2
Giovanni Sette, Valentina Salvati, Ilenia Giordani, Emanuela Pillozzi, Denise Quacquarini, Enrico Duranti, Francesca De Nicola, Matteo Pallocca, Maurizio Fanciulli, Mario Falchi, Roberto Pallini, Ruggero De Maria, Adriana Eramo
Availability of tumor and non-tumor patient-derived models would promote the development of more effective therapeutics for Non Small Cell Lung Cancer (NSCLC). Recently, conditionally reprogrammed cells (CRC) methodology demonstrated exceptional potential for the expansion of epithelial cells from patient tissues. However, the possibility to expand patient-derived lung cancer cells using CRC protocols is controversial. Here, we used CRC approach to expand cells from non-tumoral and tumor biopsies of patients with primary or metastatic NSCLC as well as pulmonary metastases of colorectal or breast cancers...
January 17, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29333407/the-limited-role-of-serum-galactomannan-assay-in-screening-for-invasive-pulmonary-aspergillosis-in-allogeneic-stem-cell-transplantation-recipients-on-micafungin-prophylaxis-a-retrospective-study
#3
Ryul Kim, Youngil Koh, Dong-Yeop Shin, Pyoeng Gyun Choe, Nam Joong Kim, Sung-Soo Yoon, Myoung-Don Oh, Wan Beom Park, Inho Kim
Background: We evaluated the outcomes of serum galactomannan (GM) assay for the screening of invasive pulmonary aspergillosis (IPA) in allogeneic hematopoietic stem cell transplantation (alloHSCT) recipients while on primary antifungal prophylaxis (PAP). Methods: This study included patients with hematologic disorders who underwent alloHSCT from January 2013 to November 2015. Patients received routine PAP with fluconazole before 2014 and micafungin after 2014; serum GM tests were performed and retrospectively analyzed...
December 2017: Blood Research
https://www.readbyqxmd.com/read/29324307/integrin-alpha5beta1-suppresses-rbmscs-anoikis-and-promotes-nitric-oxide-production
#4
Hai-Ying Chen, Li Pan, Hong-Li Yang, Peng Xia, Wan-Cheng Yu, Wen-Qiang Tang, Ying-Xin Zhang, Shuang-Feng Chen, Yu-Zeng Xue, Le-Xin Wang
BACKGROUND: Cell based therapy has been heralded as a novel, promising therapeutic strategy for cardiovascular diseases including pulmonary arterial hypertension (PAH). However, the low survival rate after transplantation due to cell death via anoikis is a major obstacle in stem cell therapy. Cells adhesion via Integrin alpha5beta1 (ITGA5B1) has a tendency to exert higher maximum forces. The present study aimed to evaluate the potential protective effect of ITGA5B1 on rat bone marrow mesenchymal stem cells (rBMSCs) from anoikis...
January 8, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29322685/feasibility-safety-and-tolerance-of-mesenchymal-stem-cell-therapy-for-obstructive-chronic-lung-allograft-dysfunction
#5
Cesar Ariel Keller, Thomas Arthur Gonwa, David Orel Hodge, Derek Joseph Hei, John Michael Centanni, Abba Chedi Zubair
Feasibility, tolerance, and safety of intravenous infusions of allogeneic mesenchymal stem cell (MSC) therapy in lung transplant recipients with bronchiolitis obliterans syndrome (BOS) are not well established. MSCs were manufactured, cryopreserved, transported to our facility, thawed, and infused into nine recipients with moderate BOS (average drop in forced expiratory volume in 1 second was 56.8% ± 3.2% from post-transplant peak) who were refractory to standard therapy and not candidates for retransplant...
January 11, 2018: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29320834/-the-role-and-mechanism-of-mesenchymal-stem-cell-in-modulating-human-pulmonary-microvascule-endothelial-cell-permeability-via-paracrine-hepatocyte-growth-factor
#6
Q H Chen, R Q Zheng, H L Wang, Y Yang, H B Qiu
Objective: To explore the role and mechanism of mesenchymal stem cell (MSC) in modulating human pulmonary microvascular endothelial cell (HPMECs) permeability via hepatocyte growth factor (HGF). Methods: The study introduced a co-cultured model between HPMECs and human mesenchymal stem cell conditioned media (MSC-CM) collected from MSCs after 24 h hypoxia culture, and meanwhile HGF was neutralized in MSC-CM by anti-HGF antibody respectively, followed by lipopolysaccharide (LPS) stimulation. Finally, the following measurements were performed: the permeability of HPMECs, the protein expression of vascular endothelial cadherin (VE-cadherin), Occludin in HPMECs by Western blot, HPMECs apoptosis by Annexin V-FITC/PI and HPMECs proliferation by 3-(4, 5)-dimethylthiahiazo (-z-y1)-3, 5-di- phenytetrazoliumromide(MTT)...
November 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29301447/defibrotide-sodium-for-the-treatment-of-hepatic-veno-occlusive-disease-sinusoidal-obstruction-syndrome
#7
Paul G Richardson, Brandon M Triplett, Vincent T Ho, Nelson Chao, Fiona L Dignan, Michelle Maglio, Mohamad Mohty
Hepatic veno-occlusive disease/sinusoidal obstruction syndrome (VOD/SOS) is an unpredictable condition associated with endothelial-cell damage due to conditioning for hematopoietic stem-cell transplantation (HSCT) or chemotherapy without HSCT. Mortality in patients with VOD/SOS and multi-organ dysfunction (MOD) may be >80%. Areas covered: Defibrotide is the only approved drug for the treatment of severe hepatic VOD/SOS after HSCT in the European Union and hepatic VOD/SOS with renal or pulmonary dysfunction in the United States...
January 5, 2018: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/29297621/amnion-epithelial-cell-derived-exosomes-restrict-lung-injury-and-enhance-endogenous-lung-repair
#8
Jean L Tan, Sin N Lau, Bryan Leaw, Hong P T Nguyen, Lois A Salamonsen, Mohamed I Saad, Siow T Chan, Dandan Zhu, Mirja Krause, Carla Kim, William Sievert, Euan M Wallace, Rebecca Lim
Idiopathic pulmonary fibrosis (IPF) is characterized by chronic inflammation, severe scarring, and stem cell senescence. Stem cell-based therapies modulate inflammatory and fibrogenic pathways by release of soluble factors. Stem cell-derived extracellular vesicles should be explored as a potential therapy for IPF. Human amnion epithelial cell-derived exosomes (hAEC Exo) were isolated and compared against human lung fibroblasts exosomes. hAEC Exo were assessed as a potential therapy for lung fibrosis. Exosomes were isolated and evaluated for their protein and miRNA cargo...
January 3, 2018: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29296972/bone-marrow-transplantation-prevents-right-ventricle-disease-in-the-caveolin-1-deficient-mouse-model-of-pulmonary-hypertension
#9
Kewal Asosingh, Nicholas Wanner, Kelly Weiss, Kimberly Queisser, Liya Gebreab, Biruk Kassa, Eric Stuehr, Brian Graham, Serpil Erzurum
Accumulating evidence shows a causative role for the bone marrow (BM) in the genesis and progression of pulmonary hypertension (PH). Engraftment of BM hematopoietic stem cells from PH patients to mice reproduces the cardiopulmonary pathology of PH. However, it is unknown whether healthy BM can prevent the development of right heart disease. Caveolin-1-deficient (CAV-1 KO) mice develop cardiopulmonary disease with manifestations resembling PH, including elevated right ventricular (RV) systolic pressure (RVSP), RV hypertrophy, and pulmonary endothelial proliferative disease...
March 28, 2017: Blood Advances
https://www.readbyqxmd.com/read/29296872/chronic-disease-burden-and-frailty-in-survivors-of-childhood-hsct-a-report-from-the-st-jude-lifetime-cohort-study
#10
Hesham M Eissa, Lu Lu, Malek Baassiri, Nickhill Bhakta, Matthew J Ehrhardt, Brandon M Triplett, Daniel M Green, Daniel A Mulrooney, Leslie L Robison, Melissa M Hudson, Kirsten K Ness
Outcomes of hematopoietic stem cell transplantation (HSCT) have markedly improved over the past 2 decades, underscoring a need to better understand the long-term health effects of this intensive treatment modality. We describe the burden of chronic medical conditions and frail health among St. Jude Lifetime Cohort Study participants treated for childhood hematologic malignancies with HSCT (n = 112) or with conventional therapy (n = 1106). Chronic conditions and frail health were ascertained clinically and classified according to a modified version of the Common Terminology Criteria for Adverse Events (version 4...
November 14, 2017: Blood Advances
https://www.readbyqxmd.com/read/29291140/mesenchymal-stem-cell-soluble-mediators-and-cystic-fibrosis
#11
Morgan T Sutton, David Fletcher, Nicole Episalla, Lauren Auster, Sukhmani Kaur, Mary Chandler Gwin, Michael Folz, Dante Velasquez, Varun Roy, Rolf van Heeckeren, Donald P Lennon, Arnold I Caplan, Tracey L Bonfield
Human Mesenchymal stem cells (hMSCs) secrete products (supernatants) that are anti-inflammatory and antimicrobial. We have previously shown that hMSCs decrease inflammation and Pseudomonas aeruginosa infection in the in vivo murine model of Cystic Fibrosis (CF). Cystic Fibrosis (CF) is a genetic disease in which pulmonary infection and inflammation becomes the major cause of morbidity and mortality. Our studies focus on determining how MSCs contribute to improved outcomes in the CF mouse model centering on how the MSCs impact the inflammatory response to pathogenic organisms...
August 2017: Journal of Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29273797/thy-1-dependent-uptake-of-mesenchymal-stem-cell-derived-extracellular-vesicles-blocks-myofibroblastic-differentiation
#12
Tzu-Pin Shentu, Tse-Shun Huang, Mateja Cernelc-Kohan, Joy Chan, Simon S Wong, Celia R Espinoza, Chunting Tan, Irene Gramaglia, Henri van der Heyde, Shu Chien, James S Hagood
Bone marrow-derived mesenchymal stem cells (MSC) have been promoted for multiple therapeutic applications. Many beneficial effects of MSCs are paracrine, dependent on extracellular vesicles (EVs). Although MSC-derived EVs (mEVs) are beneficial for acute lung injury and pulmonary fibrosis, mechanisms of mEV uptake by lung fibroblasts and their effects on myofibroblastic differentiation have not been established. We demonstrate that mEVs, but not fibroblast EVs (fEVs), suppress TGFβ1-induced myofibroblastic differentiation of normal and idiopathic pulmonary fibrosis (IPF) lung fibroblasts...
December 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29273091/mesenchymal-stem-cells-decrease-lung-inflammation-during-sepsis-acting-through-inhibition-of-the-mapk-pathway
#13
Leonardo Pedrazza, Monica Cubillos-Rojas, Fernanda Cristina de Mesquita, Carolina Luft, Aline Andrea Cunha, Jose Luis Rosa, Jarbas Rodrigues de Oliveira
BACKGROUND: Sepsis is a severe medical condition that ranks among the top 10 causes of death worldwide and which has permanently high incidence rates. Mesenchymal stem cells (MSCs) have been found to be potent modulators of immune responses. More importantly, there is evidence that MSCs have a beneficial effect on preclinical models of polymicrobial sepsis. However, the changes caused by the MSCs in the effector cells of the host immune system remain unclear. METHODS: A mouse model of sepsis (male C57BL/6 mice) with three experimental groups was used for experiments in vivo: a control group, an untreated septic group, and a septic group treated with MSCs...
December 22, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29251710/mesenchymal-stem-cell-derived-extracellular-vesicles-attenuate-pulmonary-vascular-permeability-and-lung-injury-induced-by-hemorrhagic-shock-and-trauma
#14
Daniel R Potter, Byron Y Miyazawa, Stuart L Gibb, Xutao Deng, Padma P Togaratti, Roxanne H Croze, Amit K Srivastava, Alpa Trivedi, Michael Matthay, John B Holcomb, Martin A Schreiber, Shibani Pati
BACKGROUND: Mesenchymal Stem Cells (MSCs) have been shown to mitigate vascular permeability in hemorrhagic shock (HS) and trauma induced brain and lung injury. Mechanistically, paracrine factors secreted from MSCs have been identified that can recapitulate many of the potent biologic effects of MSCs in animal models of disease. Interestingly, MSC derived extracellular vesicles (EVs), contain many of these key soluble factors, and have therapeutic potential independent of the parent cells...
December 14, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29239468/the-importance-of-risk-factors-for-the-prediction-of-patients-with-invasive-pulmonary-aspergillosis
#15
Selçuk Kaya, Eda Gençalioğlu, Mehmet Sönmez, Iftihar Köksal
OBJECTIVE: Invasive pulmonary aspergillosis (IPA) is a major challenge in the management of immunocompromised patients. Despite all the advances in diagnosis, it remains a problem. The purpose of our study was to investigate the risk factors associated with IPA seen in patients with hematological malignancies. METHOD: A total of 152 febrile neutropenia (FEN) patients with hematological malignancies aged over 18 years and receiving high-dose chemotherapy or stem cell transplant between January 1, 2010, and December 31, 2012 were included in the study...
September 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/29238334/evaluation-of-bronchoalveolar-lavage-fluid-cytokines-as-biomarkers-for-invasive-pulmonary-aspergillosis-in-at-risk-patients
#16
Samuel M Gonçalves, Katrien Lagrou, Cláudia S Rodrigues, Cláudia F Campos, Leticia Bernal-Martínez, Fernando Rodrigues, Ricardo Silvestre, Laura Alcazar-Fuoli, Johan A Maertens, Cristina Cunha, Agostinho Carvalho
Background: Invasive pulmonary aspergillosis (IPA) is an infection that primarily affects immunocompromised hosts, including hematological patients and stem-cell transplant recipients. The diagnosis of IPA remains challenging, making desirable the availability of new specific biomarkers. High-throughput methods now allow us to interrogate the immune system for multiple markers of inflammation with enhanced resolution. Methods: To determine whether a signature of alveolar cytokines could be associated with the development of IPA and used as a diagnostic biomarker, we performed a nested case-control study involving 113 patients at-risk...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29238012/announcement-ueda-heart-award-for-2017
#17
(no author information available yet)
We are pleased to announce that the following 4 articles have been selected for the the UEDA Heart Awards for the Year 2017.First PlaceGeneration of Induced Pluripotent Stem Cells From Patients With Duchenne Muscular Dystrophy and Their Induction to CardiomyocytesAkihito Hashimoto, Atsuhiko T. Naito, Jong-Kook Lee, Rika Kitazume-Taneike, Masamichi Ito, Toshihiro Yamaguchi, Ryo Nakata, Tomokazu Sumida, Katsuki Okada, Akito Nakagawa, Tomoaki Higo, Yuki Kuramoto, Taku Sakai, Koji Tominaga, Takeshi Okinaga, Shigetoyo Kogaki, Keiichi Ozono, Shigeru Miyagawa, Yoshiki Sawa, Yasushi Sakata, Hiroyuki Morita, Akihiro Umezawa, Issei KomuroInt Heart J 2016 ; 57 (1) : 112-117Second PlaceEffect of Allopurinol on Myocardial Energy Metabolism in Chronic Heart Failure Rats After Myocardial InfarctZhenzhen Wang, Juan Ding, Xiang Luo, Siliang Zhang, Gang Yang, Que Zhu, Dichuan LiuInt Heart J 2016 ; 57 (6) : 753-759Third PlacePlasma Levels of Receptor for Advanced Glycation End-Products and High-Mobility Group Box 1 in Patients With Pulmonary HypertensionSatoshi Suzuki, Kazuhiko Nakazato, Koichi Sugimoto, Akiomi Yoshihisa, Takayoshi Yamaki, Hiroyuki Kunii, Hitoshi Suzuki, Shu-ichi Saitoh, Yasuchika TakeishiInt Heart J 2016 ; 57 (2) : 234-240Tolvaptan Reduces Long-Term Total Medical Expenses and Length of Stay in Aquaporin-Defined RespondersTeruhiko Imamura, Koichiro Kinugawa, Daisuke Nitta, Issei KomuroInt Heart J 2016 ; 57 (5) : 593-599November 2017International Heart Journal Association...
2017: International Heart Journal
https://www.readbyqxmd.com/read/29237455/molecular-and-histological-effects-of-mr-guided-pulsed-focused-ultrasound-to-the-rat-heart
#18
Kee W Jang, Tsang-Wei Tu, Matthew E Nagle, Bobbi K Lewis, Scott R Burks, Joseph A Frank
BACKGROUND: Image-guided high intensity focused ultrasound has been used as an extracorporeal cardiac pacing tool and to enhance homing of stem cells to targeted tissues. However, molecular changes in the myocardium after sonication have not been widely investigated. Magnetic-resonance (MR)-guided pulsed focused ultrasound (pFUS) was targeted to the rat myocardium over a range of pressures and the microenvironmental and histological effects were evaluated over time. METHODS: Eight-to-ten-week-old Sprague-Dawley rats received T2-weighted MR images to target pFUS to the left ventricular and septum without cardiac or respiratory gating...
December 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29236513/depletion-of-airway-submucosal-glands-and-tp63-krt5-basal-cells-in-obliterative-bronchiolitis
#19
Anthony M Swatek, Thomas J Lynch, Adrianne K Crooke, Preston J Anderson, Scott R Tyler, Leonard Brooks, Marina Ivanovic, Julia A Klesney-Tait, Michael Eberlein, Tahuanty Pena, David K Meyerholz, John F Engelhardt, Kalpaj R Parekh
RATIONALE: Obliterative bronchiolitis (OB) is a major cause of mortality following lung transplantation. Depletion of airway stem cells (SCs) may lead to fibrosis in OB. OBJECTIVE: Two major SC compartments in airways are submucosal glands (SMGs) and surface airway TP63+(p63)/KRT5+(K5) basal cells (BCs). We hypothesized that depletion of these SC compartments occurs in OB. METHODS: Ferret orthotopic left lung transplants were used as an experimental model of OB, and findings were corroborated in human lung allografts...
December 13, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29232398/remote-ischemic-preconditioning-attenuates-cardiopulmonary-bypass-induced-lung-injury
#20
Xiaona Zhou, Runzhu Jiang, Yucai Dong, Lifeng Wang
The use of cardiopulmonary bypass (CPB) in cardiac surgeries is known to induce pathological changes in vital organs such as lungs. Remote ischemic preconditioning (RIPC) is a protective strategy that has shown to be able to reduce tissue damage related to ischemia-reperfusion injury (IRI). The current study seeks to evaluate the beneficial effects of limb RIPC on lung tissues and function in a rat CPB model. RIPC, which consisted of three cycles of 5-min ischemia and subsequently 5-min reperfusion, was induced in the hind limbs of the animals via a tourniquet...
2017: PloS One
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