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Lung stem cell transplant

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https://www.readbyqxmd.com/read/28632754/permissive-hypercapnia-for-severe-acute-respiratory-distress-syndrome-in-immunocompromised-children-a-single-center-experience
#1
Hans Fuchs, Nicola Rossmann, Manuel B Schmid, Manfred Hoenig, Ulrich Thome, Benjamin Mayer, Daniel Klotz, Helmut D Hummler
BACKGROUND: Controlled hypoventilation while accepting hypercapnia has been advocated to reduce ventilator-induced lung injury. The aim of the study was to analyze outcomes of a cohort of immunocompromised children with acute respiratory distress syndrome (ARDS) ventilated with a strategy of stepwise increasing PCO2 targets up to 140 mm Hg. METHODS: Retrospective analysis of outcomes of a cohort of children with oncologic disease or after stem cell transplantation and severe respiratory failure in comparison with a historical control cohort...
2017: PloS One
https://www.readbyqxmd.com/read/28627425/a-multicenter-retrospective-analysis-stressing-importance-of-long-term-follow-up-after-hematopoietic-cell-transplantation-for-%C3%AE-thalassemia
#2
S Chaudhury, M Ayas, C Rosen, M Ma, M Viqaruddin, S Parikh, S Kharbanda, K Y Chiang, A Haight, M Bhatia, Gmt Guilcher, A Thompson, S Shenoy
Allogeneic hematopoietic cell transplantation (HCT) is curative in patients with β-thalassemia major. However, the majority of reports on HCT outcomes lack long-term follow-up data with the exception of single center reports. An international multicenter retrospective data collection and analysis was conducted in 176 β-Thalassemia patients who were 1 year or beyond after first HCT to evaluate follow up methods and outcomes at 7 centers- Median age at HCT was 5.5 years (range, 0.6- 18.5) and median follow-up was 7 years (range, 1-20)...
June 13, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28620140/comparison-of-tumor-biology-of-two-distinct-cell-sub-populations-in-lung-cancer-stem-cells
#3
Jianyu Wang, Zhiwei Sun, Yongli Liu, Liangsheng Kong, Shixia Zhou, Junlin Tang, Hongmei Rosie Xing
3Characterization of the stem-like properties of cancer stem cells (CSCs) remain indirect and qualitative, especially the ability of CSCs to undergo asymmetric cell division for self renewal and differentiation, a unique property of cells of stem origin. It is partly due to the lack of stable cellular models of CSCs. In this study, we developed a new approach for CSC isolation and purification to derive a CSC-enriched cell line (LLC-SE). By conducting five consecutive rounds of single cell cloning using the LLC-SE cell line, we obtained two distinct sub-population of cells within the Lewis lung cancer CSCs that employed largely symmetric division for self-renewal (LLC-SD) or underwent asymmetric division for differentiation (LLC-ASD)...
June 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28619045/human-adipose-derived-mesenchymal-stem-cells-alleviate-obliterative-bronchiolitis-in-a-murine-model-via-ido
#4
Guoping Zheng, Guanguan Qiu, Menghua Ge, Jianping He, Lanfang Huang, Ping Chen, Wei Wang, Qi Xu, Yaoqin Hu, Qiang Shu, Jianguo Xu
BACKGROUND: Long-term survival of lung transplantation is hindered by the development of obliterative bronchiolitis (OB). Adipose-derived stem cells (ASCs) were documented to have more potent immunosuppressive ability than mesenchymal stem cells (MSCs) from bone marrow and placenta. The goal of our study is to evaluate the effect of repeated administration of ASCs on OB and the involvement of indoleamine 2,3-dioxygenase (IDO) mediating the protective effect of ASCs in a heterotopic tracheal transplantation (HTT) model...
June 15, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28595637/exosome-mir-371b-5p-promotes-proliferation-of-lung-alveolar-progenitor-type-ii-cells-by-using-pten-to-orchestrate-the-pi3k-akt-signaling
#5
Yuan Quan, Zhaohua Wang, Ling Gong, Xinmiao Peng, Melissa A Richard, Junlan Zhang, Myriam Fornage, Joseph L Alcorn, Dachun Wang
BACKGROUND: Pathways directing endogenous stem/progenitor cells to restore normal architecture and function of damaged/diseased lungs remain underexplored. Published data have revealed that alveolar progenitor type II cell (ATIIC)-derived signaling promotes re-epithelialization of injured alveoli, yet the underlying mechanism is unknown. Here we aim to define the role of ATIIC-derived exosome miRNA signaling in controlling ATIIC-specific proliferation or differentiation in response to injury...
June 8, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28592767/immune-checkpoint-inhibitors-and-allogeneic-hematopoietic-stem-cell-transplantation
#6
Eisei Kondo, Yoshinobu Maeda
Immune checkpoint inhibitors, such as anti-CTLA-4 and anti-PD-1 antibodies, have revolutionized cancer therapy, particularly in the treatment of malignant melanoma and lung cancer. Allogeneic hematopoietic stem cell transplantation (allo-HCT) is another form of immunotherapy and is being widely used to cure high-risk hematological malignancies. However, more than one-third of patients suffer a relapse after allo-HCT and often have a poor prognosis. A phase I/Ib study to assess the safety and efficacy of ipilimumab (anti-CTLA-4 antibody) for the treatment of relapsed hematological malignancies after allo-HCT has shown that induction treatment with ipilimumab led to remissions in some patients, including those with myeloid malignancies, without eliciting severe graft versus host disease (GVHD)...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28589946/elevated-prostaglandin-e2-post-bone-marrow-transplant-mediates-interleukin-1%C3%AE-related-lung-injury
#7
G J Martínez-Colón, Q M Taylor, C A Wilke, A B Podsiad, B B Moore
Hematopoietic stem cell transplant (HSCT) treats or cures a variety of hematological and inherited disorders. Unfortunately, patients who undergo HSCT are susceptible to infections by a wide array of opportunistic pathogens. Pseudomonas aeruginosa bacteria can have life-threatening effects in HSCT patients by causing lung pathology that has been linked to high levels of the potent pro-inflammatory cytokine, interleukin-1β (IL-1β). Using a murine bone marrow transplant (BMT) model, we show that overexpression of prostaglandin E2 (PGE2) post-BMT signals via EP2 or EP4 to induce cyclic adenosine monophosphate (cAMP), which activates protein kinase A or the exchange protein activated by cAMP (Epac) to induce cAMP response element binding-dependent transcription of IL-1β leading to exacerbated lung injury in BMT mice...
June 7, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28586311/mesenchymal-stem-cells-in-idiopathic-pulmonary-fibrosis
#8
REVIEW
Xiaohong Li, Shaojie Yue, Ziqiang Luo
Idiopathic pulmonary fibrosis (IPF) is a major cause of respiratory failure in critically ill patients and common outcome of various lung interstitial diseases. Its mortality remains high, and no effective pharmacotherapy, in addition to artificial ventilation and transplantation, exists. As such, the administration of mesenchymal stem or stromal cells (MSCs) is currently investigated as a new therapeutic method for pulmonary fibrosis. Clinical trials on MSC-based therapy as a potential treatment for lung injury and fibrosis are also performed...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28586146/locating-the-level-and-extent-of-congenital-high-airway-obstruction-fluid-in-the-airway-tract-as-reference-points
#9
Mamatha Gowda, Shilpa Gupta, Ashraf Ali, Shanthi Paranthaman
Described here are a series of four cases of congenital high airway obstruction in the fetus. All of the patients presented in the second trimester and all had hydrops fetalis. Three cases had bilateral hyperinflated lungs, midline shift of heart, flattening or inversion of the diaphragm, and fetal ascites. Autopsy was performed in one of these three and showed laryngeal atresia. In one fetus, there was only a unilateral huge enlargement of the lung with mediastinal shift. On autopsy, this fetus had atresia of right main bronchus...
June 6, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28546469/green-tea-egcg-enhances-cardiac-function-restoration-through-expression-of-survival-signaling-in-dm-rats-with-autologous-adipose-tissue-derived-stem-cell
#10
Tung-Sheng Chen, Show-Yih Liou, Chia-Hua Kuo, Lung-Fa Pan, Yu-Lan Yeh, Jeffery Liou, V Vijaya Padma, Chun-Hsu Yao, Wei-Wen Kuo, Chih-Yang Huang
The present study tests a hypothesis that cardioprotective effects mediated by autologous adipose-derived stem cells (ADSC) in rats afflicted with insulin-dependent diabetes mellitus (IDDM), may be synergistically enhanced by oral treatment with green tea epigallocatechin gallat (ECCG). Wistar rats were divided into sham, DM, DM+ADSC (autologous transplanted 1x106 cells/rat) and DM+ADSC+E (E, green tea oral administration EGCG). Heart tissues were isolated for all rats and investigations were performed after 2-months treatment...
May 25, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28546377/respiratory-care-considerations-in-the-childhood-cancer-patient
#11
Lama Elbahlawan, K Jason Rains, Dennis C Stokes
This article reviews the common pulmonary complications seen in the pediatric oncology population and our approach to diagnosis, management, and therapy considerations in this specialized population, including patients receiving chemotherapy, radiation, and hematopoietic stem cell transplantation. Although infections cause the most significant complications in this population, non-infectious complications, including acute lung injury from chemotherapy or radiation, idiopathic interstitial pneumonia, diffuse alveolar hemorrhage, bronchiolitis obliterans, and cryptogenic organizing pneumonia, also occur commonly...
June 2017: Respiratory Care
https://www.readbyqxmd.com/read/28528427/repeated-systemic-administration-of-adipose-tissue-derived-mesenchymal-stem-cells-prevents-tracheal-obliteration-in-a-murine-model-of-bronchiolitis-obliterans
#12
William Lorenzi, Fabiany Da Costa Gonçalves, Natália Schneider, Éverton Franco Silva, Fernanda Visioli, Ana Helena Paz, Mauricio Guidi Saueressig
OBJECTIVE: To investigate the effect of adipose tissue-derived mesenchymal stem cell (ASC) administered either systemically or locally in a murine model of bronchiolitis obliterans. RESULTS: When compared to controls, systemic treatment with 10(6) ASCs on D0 and a second dose on D7 significantly prevented tracheal obliteration 28 days after heterotopic tracheal transplantation (median of 94 vs. 16%; P < 0.01). A single dose tended towards less stenosis than controls, but did not reach statistical significance (28 vs...
May 20, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28526296/mesenchymal-stem-cells-mscs-attenuate-cutaneous-sclerodermatous-graft-versus-host-disease-scl-gvhd-through-inhibition-of-immune-cell-infiltration-in-a-mouse-model
#13
Ji-Young Lim, Da-Bin Ryu, Sung-Eun Lee, Gyeongsin Park, Chang-Ki Min
Human chronic graft-versus-host disease (CGVHD) shares clinical characteristics with a murine sclerodermatous GVHD (Scl-GVHD) model that is characterized by skin thickening and lung fibrosis. A B10.D2 → BALB/c transplant model of Scl-GVHD was used to address the therapeutic effect of mesenchymal stem cells (MSCs) on the development of CGVHD. The clinical and pathological severity of cutaneous Scl-GVHD was significantly attenuated in MSC-treated recipients relative to Scl-GVHD controls. After MSC treatment, skin collagen production was significantly reduced with consistent downregulation of TGF-β expression...
May 16, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28524369/therapeutic-roles-of-telocytes-in-ova-induced-acute-asthma-in-mice
#14
Ling Ye, Dongli Song, Meiling Jin, Xiangdong Wang
Telocytes (TCs) newly discovered as the mesenchyme-derived interstitial cells were found to have supportive effects on mesenchymal stem cells (MSCs). The present study aimed at investigating effects of TCs or TCs gathered with MSCs on experimental airway inflammation and hyper-responsiveness. The TCs were isolated from the lung tissue of the female BALB/c mice. The ovalbumin (OVA)-induced asthma model was established. TCs (1 × 10(6) /2 × 10(6) ) and/or MSCs (1 × 10(6) ) were injected through mice tail vein for consecutive three days before OVA excited the mice...
May 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28507545/clinical-and-molecular-heterogeneity-of-rtel1-deficiency
#15
Carsten Speckmann, Sushree Sangita Sahoo, Marta Rizzi, Shinsuke Hirabayashi, Axel Karow, Nina Kathrin Serwas, Marc Hoemberg, Natalja Damatova, Detlev Schindler, Jean-Baptiste Vannier, Simon J Boulton, Ulrich Pannicke, Gudrun Göhring, Kathrin Thomay, J J Verdu-Amoros, Holger Hauch, Wilhelm Woessmann, Gabriele Escherich, Eckart Laack, Liliana Rindle, Maximilian Seidl, Anne Rensing-Ehl, Ekkehart Lausch, Christine Jandrasits, Brigitte Strahm, Klaus Schwarz, Stephan R Ehl, Charlotte Niemeyer, Kaan Boztug, Marcin W Wlodarski
Typical features of dyskeratosis congenita (DC) resulting from excessive telomere shortening include bone marrow failure (BMF), mucosal fragility, and pulmonary or liver fibrosis. In more severe cases, immune deficiency and recurring infections can add to disease severity. RTEL1 deficiency has recently been described as a major genetic etiology, but the molecular basis and clinical consequences of RTEL1-associated DC are incompletely characterized. We report our observations in a cohort of six patients: five with novel biallelic RTEL1 mutations p...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28505159/infectious-disease-ward-admission-positively-influences-p-jiroveci-pneumonia-pjp-outcome-a-retrospective-analysis-of-116-hiv-positive-and-hiv-negative-immunocompromised-patients
#16
Alessandra Ricciardi, Elisa Gentilotti, Luigi Coppola, Gaetano Maffongelli, Carlotta Cerva, Vincenzo Malagnino, Alessia Mari, Ambra Di Veroli, Federica Berrilli, Fabiana Apice, Nicola Toschi, David Di Cave, Saverio Giuseppe Parisi, Massimo Andreoni, Loredana Sarmati
P. jiroveci (Pj) causes a potentially fatal pneumonia in immunocompromised patients and the factors associated with a bad outcome are poorly understood. A retrospective analysis on Pj pneumonia (PjP) cases occurring in Tor Vergata University Hospital, Italy, during the period 2011-2015. The patients' demographic, clinical and radiological characteristics and the Pj genotypes were considered. The study population included 116 patients, 37.9% of whom had haematological malignancy or underwent haematological stem cell transplantation (HSCT), 22...
2017: PloS One
https://www.readbyqxmd.com/read/28474513/bone-marrow-endothelial-progenitor-cells-are-the-cellular-mediators-of-pulmonary-hypertension-in-the-murine-monocrotaline-injury-model
#17
Jason M Aliotta, Mandy Pereira, Sicheng Wen, Mark S Dooner, Michael Del Tatto, Elaine Papa, Yan Cheng, Laura Goldberg, Corey E Ventetuolo, Olin Liang, James R Klinger, Peter J Quesenberry
The role of bone marrow (BM) cells in modulating pulmonary hypertensive responses is not well understood. Determine if BM-derived endothelial progenitor cells (EPCs) induce pulmonary hypertension (PH) and if this is attenuated by mesenchymal stem cell (MSC)-derived extracellular vesicles (EVs). Three BM populations were studied: (a) BM from vehicle and monocrotaline (MCT)-treated mice (PH induction), (b) BM from vehicle-, MCT-treated mice that received MSC-EV infusion after vehicle, MCT treatment (PH reversal, in vivo), (c) BM from vehicle-, MCT-treated mice cultured with MSC-EVs (PH reversal, in vitro)...
May 5, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28465690/mesenchymal-stem-cells-promoted-lung-wound-repair-through-hox-a9-during-endotoxemia-induced-acute-lung-injury
#18
Xi Xin, Liu Yan, Zhu Guangfa, Huang Yan, Li Keng, Wu Chunting
Objectives. Acute lung injury (ALI) is a common clinical critical disease. Stem cells transplantation is recognized as an effective way to repair injured lung tissues. The present study was designed to evaluate the effects of mesenchymal stem cells (MSCs) on repair of lung and its mechanism. Methods. MSCs carrying GFP were administrated via trachea into wild-type SD rats 4 hours later after LPS administration. The lung histological pathology and the distribution of MSCs were determined by HE staining and fluorescence microscopy, respectively...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28465472/cancer-stemness-and-metastatic-potential-of-the-novel-tumor-cell-line-k3-an-inner-mutated-cell-of-bone-marrow-derived-mesenchymal-stem-cells
#19
Hui Qian, Xiaoqing Ding, Jiao Zhang, Fei Mao, Zixuan Sun, Haoyuan Jia, Lei Yin, Mei Wang, Xu Zhang, Bin Zhang, Yongmin Yan, Wei Zhu, Wenrong Xu
Mesenchymal stem cells (MSCs) transplantation has been used for therapeutic applications in various diseases. Here we report MSCs can malignantly transform in vivo. The novel neoplasm was found on the tail of female rat after injection with male rat bone marrow-derived MSCs (rBM-MSCs) and the new tumor cell line, K3, was isolated from the neoplasm. The K3 cells expressed surface antigens and pluripotent genes similar to those of rBM-MSCs and presented tumor cell features. Moreover, the K3 cells contained side population cells (SP) like cancer stem cells (CSCs), which might contribute to K3 heterogeneity and tumorigenic capacity...
June 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28451433/lenalidomide-induced-eosinophilic-pneumonia
#20
Andrew Toma, Aaron P Rapoport, Allen Burke, Ashutosh Sachdeva
Multiple myeloma is a plasma cell dyscrasia accounting for 10% of haematologic malignancies. Lenalidomide is an immunomodulatory drug analogous to thalidomide that is approved for use in patients with myelodysplastic syndrome, and in combination with dexamethasone for refractory or relapsed multiple myeloma. Lenalidomide is preferred to thalidomide because of reduced toxicity, and pulmonary side effects are considered rare. We present, to our knowledge, an unusual and first reported case of a patient with relapsed multiple myeloma who received lenalidomide after autologous stem cell transplant, then developed eosinophilic pneumonia presenting as dyspnoea, peripheral eosinophilia, and bilateral pulmonary opacities...
July 2017: Respirology Case Reports
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