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Lung stem cell

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https://www.readbyqxmd.com/read/28637014/a-combination-of-valproic-acid-sodium-salt-chir99021-e-616452-tranylcypromine-and-3-deazaneplanocin-a-causes-stem-cell-like-characteristics-in-cancer-cells
#1
Shuang Sha, Yuanfen Zhai, Chengzhao Lin, Heyong Wang, Qing Chang, Shuang Song, Mingqiang Ren, Gentao Liu
Many studies are based on the hypothesis that recurrence and drug resistance in lung carcinoma are due to a subpopulation of cancer stem-like cells (CSLCs) in solid tumors. Therefore it is crucial to screen for and recognize lung CSLCs. In this study, we stimulated non-small cell lung cancer (NSCLC) A549 cells to display stem cell-like characteristics using a combination of five small molecule compounds. The putative A549 stem cells activated an important CSLC marker, CD133 protein, as well multiple CSLC-related genes including ATP-binding cassette transporter G2 (ABCG2), C-X-C chemokine receptor type 4 (CXCR4), NESTIN, and BMI1...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28632754/permissive-hypercapnia-for-severe-acute-respiratory-distress-syndrome-in-immunocompromised-children-a-single-center-experience
#2
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/28627514/simultaneous-overactivation-of-wnt-%C3%AE-catenin-and-tgf%C3%AE-signalling-by-mir-128-3p-confers-chemoresistance-associated-metastasis-in-nsclc
#3
Junchao Cai, Lishan Fang, Yongbo Huang, Rong Li, Xiaonan Xu, Zhihuang Hu, Le Zhang, Yi Yang, Xun Zhu, Heng Zhang, Jueheng Wu, Yan Huang, Jun Li, Musheng Zeng, Erwei Song, Yukai He, Li Zhang, Mengfeng Li
Cancer chemoresistance and metastasis are tightly associated features. However, whether they share common molecular mechanisms and thus can be targeted with one common strategy remain unclear in non-small cell lung cancer (NSCLC). Here, we report that high levels of microRNA-128-3p (miR-128-3p) is key to concomitant development of chemoresistance and metastasis in residual NSCLC cells having survived repeated chemotherapy and correlates with chemoresistance, aggressiveness and poor prognosis in NSCLC patients...
June 19, 2017: Nature Communications
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
#4
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/28626025/intranasal-administration-of-mesenchymoangioblast-derived-mesenchymal-stem-cells-abrogates-airway-fibrosis-and-airway-hyperresponsiveness-associated-with-chronic-allergic-airways-disease
#5
Simon G Royce, Siddharth Rele, Brad R S Broughton, Kilian Kelly, Chrishan S Samuel
Structural changes known as airway remodeling (AWR) characterize chronic/severe asthma and contribute to lung dysfunction. Thus, we assessed the in vivo efficacy of induced pluripotent stem cell and mesenchymoangioblast-derived mesenchymal stem cells (MCA-MSCs) on AWR in a murine model of chronic allergic airways disease (AAD)/asthma. Female Balb/c mice were subjected to a 9-wk model of ovalbumin (OVA)-induced chronic AAD and treated intravenously or intranasally with MCA-MSCs from weeks 9 to11. Changes in airway inflammation (AI), AWR, and airway hyperresponsiveness (AHR) were assessed...
June 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28624968/do-cancer-cell-lines-have-fixed-or-fluctuating-stem-cell-phenotypes-studies-with-the-ntera2-cell-line
#6
Zachariah P Sellers, Gabriela Schneider, Kamila Bujko, Malwina Suszynska, Daniel Pedziwiatr
One of the important questions when studying established cancer cell lines is whether such cells contain a subpopulation of primitive cancer stem cells that maintains the expansion of the cell line. To address this issue, we performed studies on the established human embryonal carcinoma cell line NTera2 by evaluating the potential stemness of cells sorted according to their expression of the cell surface stem cell markers CD133 and SSEA4. By performing in vitro and in vivo assays, we observed different properties of cells expressing both, one, or neither of these antigens...
June 17, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28624442/loss-of-fructose-1-6-bisphosphatase-induces-glycolysis-and-promotes-apoptosis-resistance-of-cancer-stem-like-cells-an-important-role-in-hexavalent-chromium-induced-carcinogenesis
#7
Jin Dai, Yanli Ji, Wei Wang, Donghern Kim, Leonard Yenwong Fai, Lei Wang, Jia Luo, Zhuo Zhang
Hexavalent chromium (Cr(VI)) compounds are confirmed human carcinogens for lung cancer. Our previous studies has demonstrated that chronic exposure of human bronchial epithelial BEAS-2B cells to low dose of Cr(VI) causes malignant cell transformation. The acquisition of cancer stem cell-like properties is involved in the initiation of cancers. The present study has observed that a small population of cancer stem-like cells (BEAS-2B-Cr-CSC) exists in the Cr(VI)-transformed cells (BEAS-2B-Cr). Those BEAS-2B-Cr-CSC exhibit extremely reduced capability of generating reactive oxygen species (ROS) and apoptosis resistance...
June 14, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28624051/persistent-injury-associated-anemia-the-role-of-the-bone-marrow-microenvironment
#8
Jessica K Millar, Kolenkode B Kannan, Tyler J Loftus, Ines G Alamo, Jessica Plazas, Philip A Efron, Alicia M Mohr
BACKGROUND: The regulation of erythropoiesis involves hematopoietic progenitor cells, bone marrow stroma, and the microenvironment. Following severe injury, a hypercatecholamine state develops that is associated with increased mobilization of hematopoietic progenitor cells to peripheral blood and decreased growth of bone marrow erythroid progenitor cells that manifests clinically as a persistent injury-associated anemia. Changes within the bone marrow microenvironment influence the development of erythroid progenitor cells...
June 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28621167/interview-with-darrell-kotton
#9
Darrell Kotton
Dr Kotton is the David Seldin Professor of Medicine and the founding Director of the Center for Regenerative Medicine of Boston University and Boston Medical Center. He conducts basic stem cell research as an NIH-funded Principle Investigator in the Kotton Laboratory (focused on stem cell biology and gene therapy related to lung injury and repair). In addition, he attends in the Medical Intensive Care Unit, the Pulmonary Consultation Service, the Alpha-1 Center and the Pulmonary Outpatient Clinic, all at Boston Medical Center...
June 16, 2017: Regenerative Medicine
https://www.readbyqxmd.com/read/28620747/amniotic-fluid-cells-current-progress-and-emerging-challenges-in-renal-regeneration
#10
REVIEW
Stefano Da Sacco, Laura Perin, Sargis Sedrakyan
Amniotic fluid (AF) contains a heterogeneous population of cells that have been identified to possess pluripotent and progenitor-like characteristics. These cells have been applied in various regenerative medicine applications ranging from in vitro cell differentiation to tissue engineering to cellular therapies for different organs including the heart, the liver, the lung, and the kidneys. In this review, we examine the different methodologies used for the derivation of amniotic fluid stem cells and renal progenitors, and their application in renal repair and regeneration...
June 15, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28620140/comparison-of-tumor-biology-of-two-distinct-cell-sub-populations-in-lung-cancer-stem-cells
#11
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/28619508/mir-129-5p-inhibits-non-small-cell-lung-cancer-cell-stemness-and-chemoresistance-through-targeting-dlk1
#12
Zheng Ma, Hongfei Cai, Yan Zhang, Liang Chang, Youbin Cui
Non-small cell lung cancer (NSCLC) stemness and chemoresistance represent significant barriers to successful treatment. Downregulation of microRNA 129 (miR-129) has been implicated in a variety of cancers, and miR-129-5p has recently been shown to reduce lung cancer proliferation and metastasis. In this study, we used NSCLC cell lines A549 and H460 to investigate the effects of miR-129-5p on NSCLC stemness and chemoresistance. CD133 + stem cells in both lines showed reduced miR-129-5p expression, and introducing miR-129-5p into these cells reduced stem cell markers and self-renewal ability, as measured by qRT-PCR, western blot, MTT assays, and sphere formation assays...
June 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28619045/human-adipose-derived-mesenchymal-stem-cells-alleviate-obliterative-bronchiolitis-in-a-murine-model-via-ido
#13
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/28616907/-differentiation-of-cultivated-cd45-cd31-mouse-lung-side-population-cells-into-vascular-smooth-muscle-cells-in-vitro
#14
Ming-Jie Zhang, Zong-Ze Li, Yang Xu, Simon Xun Liang
OBJECTIVES: To investigate the characteristics of differentiation of lung side population cells (LSP cells)in vitro. METHODS: CD45(-)/CD31(+) LSP cells sorted by flow cytometry were taken from mouse lung tissues and cultured for 14 d. The cultured LSP cells were observed with colony formation assay and flow cytometryin vitro. The mRNA expressions of ATP-binding cassette transporter G2 (ABCG2), smooth muscle actin (SMA) and α-smooth muscle tropomyosin (α-SMT) in both freshly isolated LSP cells and cultured LSP cells were examined...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28615056/oct4-transcriptionally-regulates-the-expression-of-long-non-coding-rnas-neat1-and-malat1-to-promote-lung-cancer-progression
#15
Jayu Jen, Yen-An Tang, Ying-Hung Lu, Che-Chung Lin, Wu-Wei Lai, Yi-Ching Wang
BACKGROUND: Oct4, a key stemness transcription factor, is overexpressed in lung cancer. Here, we reveal a novel transcription regulation of long non-coding RNAs (lncRNAs) by Oct4. LncRNAs have emerged as important players in cancer progression. METHODS: Oct4 chromatin-immunoprecipitation (ChIP)-sequencing and several lncRNA databases with literature annotation were integrated to identify Oct4-regulated lncRNAs. Luciferase activity, qRT-PCR and ChIP-PCR assays were conducted to examine transcription regulation of lncRNAs by Oct4...
June 14, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28613007/transcriptional-coactivator-with-pdz-binding-motif-is-required-to-sustain-testicular-function-on-aging
#16
Mi Gyeong Jeong, Hyuna Song, Ji Hyun Shin, Hana Jeong, Hyo Kyeong Kim, Eun Sook Hwang
Transcriptional coactivator with PDZ-binding motif (TAZ) directly interacts with transcription factors and regulates their transcriptional activity. Extensive functional studies have shown that TAZ plays critical regulatory roles in stem cell proliferation, differentiation, and survival and also modulates the development of organs such as the lung, kidney, heart, and bone. Despite the importance of TAZ in stem cell maintenance, TAZ function has not yet been evaluated in spermatogenic stem cells of the male reproductive system...
June 14, 2017: Aging Cell
https://www.readbyqxmd.com/read/28606732/constitutive-and-acquired-mechanisms-of-resistance-to-immune-checkpoint-blockade-in-human-cancer
#17
Matteo Bellone, Angela Rita Elia
Cancer immunotherapy with monoclonal antibodies directed against regulatory pathways in T lymphocytes has been revolutionizing medical oncology, and the clinical success of monoclonal antibodies targeting either cytotoxic T lymphocyte antigen-4 (CTLA-4) or program death-1 (PD-1) in patients affected by melanoma, Hodgkin's lymphoma, Merkel cell carcinoma, and head and neck, bladder, renal cell or non-small cell lung cancer is way beyond the most optimistic expectation. However, immune checkpoint blockade (ICB) has failed to arrest progression in a consistent amount of patients affected by those tumors, and various histological types, including breast, colon and prostate cancer, are less sensitive to this therapeutic approach...
June 2, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28605260/cellular-therapies-for-treatment-of-radiation-injury-report-from-a-nih-niaid-and-irsn-workshop
#18
Andrea L DiCarlo, Radia Tamarat, Carmen I Rios, Marc Benderitter, Christine W Czarniecki, Theresa C Allio, Francesca Macchiarini, Bert W Maidment, Jean-Rene Jourdain
In recent years, there has been increasing concern over the possibility of a radiological or nuclear incident occurring somewhere in the world. Intelligence agencies frequently report that terrorist groups and rogue nations are seeking to obtain radiological or nuclear weapons of mass destruction. In addition, there exists the real possibility that safety of nuclear power reactors could be compromised by natural (such as the tsunami and subsequent Fukushima accident in Japan in March, 2011) or accidental (Three Mile Island, 1979 and Chernobyl, 1986) events...
June 12, 2017: Radiation Research
https://www.readbyqxmd.com/read/28602756/antrodia-cinnamomea-sensitizes-radio-chemo-therapy-of-cancer-stem-like-cells-by-modulating-microrna-expression
#19
Yu-Kai Su, Ping-Hsiao Shih, Wei-Hwa Lee, Oluwaseun Adebayo Bamodu, Alexander T H Wu, Chun-Chih Huang, Yew-Min Tzeng, Michael Hsiao, Chi-Tai Yeh, Chien-Min Lin
ETHNOPHARMACOLOGICAL RELEVANCE: The discovery of many tissue-specific cancer stem cells (CSCs) continues to attract scientific attention. These CSCs are considered to be associated with chemo- and radio-resistance, and consequently, failure of conventional anticancer therapies. The recent demonstration of several microRNAs as enhancers of tumorigenicity via modulation of epithelial-mesenchymal transition and cancer stemness, makes them putative novel therapeutic target in oncology. Antrodia cinnamomea is a Chinese traditional medicine with several biological functions including anti-inflammation, antioxidant, and cancer prevention...
June 8, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28602051/yes-associated-protein-expression-is-correlated-to-the-differentiation-of-prostate-adenocarcinoma
#20
Myung-Giun Noh, Sung Sun Kim, Eu Chang Hwang, Dong Deuk Kwon, Chan Choi
Background: Yes-associated protein (YAP) in the Hippo signaling pathway is a growth control pathway that regulates cell proliferation and stem cell functions. Abnormal regulation of YAP was reported in human cancers including liver, lung, breast, skin, colon, and ovarian cancer. However, the function of YAP is not known in prostate adenocarcinoma. The purpose of this study was to investigate the role of YAP in tumorigenesis, differentiation of the carcinoma, and prognosis of prostate adenocarcinoma...
June 9, 2017: Journal of Pathology and Translational Medicine
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