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Lung stem cells

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https://www.readbyqxmd.com/read/28732434/effects-of-intraperitoneal-injection-of-allogeneic-bone-marrow-derived-mesenchymal-stem-cells-on-bronchiolitis-obliterans-in-mice-model
#1
Sakine Işık, Nevin Uzuner, Meral Karaman, Özkan Karaman, Müge Kıray, İlknur Kozanoğlu, Hüsnü Alper Bağrıyanık, Zeynep Arıkan-Ayyıldız, Melis Kartal Yandım, Yusuf Baran
Bone marrow-derived mesenchymal stem cells (BMSCs) can ameliorate a variety of lung diseases such as asthma, lung fibrosis, and acute lung injury by its anti-inflammatory and immunmodulatory effects. In this study, we developed a mouse model of bronchiolitis obliterans (BO) and evaluated the effects of the intraperitoneal administration of BMSCs on lung histopathology and cytokine levels. 25 BALB/c mice were divided into four groups; control group (Group I), BO developed and 1x106 BMSCs-injected group (Group II), non-BO, 1x106 BMSCs-injected group (Group III), and BO developed and saline-injected group (Group IV)...
June 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28731908/prognostic-factors-in-lung-transplantation-after-hematopoietic-stem-cell-transplantation
#2
Toyofumi F Chen-Yoshikawa, Seiichiro Sugimoto, Takeshi Shiraishi, Masato Minami, Yasushi Matsuda, Masayuki Chida, Sumiko Maeda, Akihiro Aoyama, Yoshinori Okada, Meinoshin Okumura, Akinori Iwasaki, Shinichiro Miyoshi, Takahiro Oto, Hiroshi Date
BACKGROUND: Lung transplantation is the final life-saving option for patients with pulmonary complications after hematopoietic stem cell transplantation (HSCT). Patients undergoing HSCT for hematologic diseases are thought to be high-risk candidates for lung transplantation; therefore, few lung transplants are performed for these patients, and few studies have been reported. This study aimed to describe the characteristics and outcomes of lung transplantation in patients with pulmonary complications after HSCT...
July 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28731277/tnf-%C3%AE-induced-nf-%C3%AE%C2%BAb-activation-promotes-myofibroblast-differentiation-of-lr-mscs-and-exacerbates-bleomycin-induced-pulmonary-fibrosis
#3
Jiwei Hou, Tan Ma, Honghui Cao, Yabing Chen, Cong Wang, Xiang Chen, Zou Xiang, Xiaodong Han
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive, and irreversible lung disease of unknown cause. It has been reported that both lung resident mesenchymal stem cells (LR-MSCs) and tumor necrosis factor-α (TNF-α) play important roles in the development of pulmonary fibrosis. However, the underlying connections between LR-MSCs and TNF-α in the pathogenesis of pulmonary fibrosis are still elusive. In this study, we found that the pro-inflammatory cytokine TNF-α and the transcription factor nuclear factor kappa B (NF-κB) p65 subunit were both upregulated in bleomycin-induced fibrotic lung tissue...
July 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28730733/the-potential-impact-of-radix-paeoniae-alba-in-embryonic-development-of-mice
#4
Wei Xu, Ling Xu, Bin Deng, Jing Leng, Nong Tang, Li Chun Zhao, Hong Hai Zhou, Zhong Zhen Zhao, Zhi Jun Yang, Ting Ting Xiao, Xiao Ying Tian, Alan H M Ho, Nickie W K Chan, Yeuk Lung Chow, Chi Yi Chow, Min Xu
Although Radix Paeoniae Alba (RPA) has been ranked as one of the top 6 herbs used frequently to prevent and treat miscarriages clinically, there is no clear evidence regarding its safety in embryonic development. This study aims to evaluate the potential impacts of RPA on embryonic stem cells (ESCs) and pregnant mice. Cytotoxicity assays of the extract were performed in ESCs and 3T3 cells. Pregnant ICR mice were orally treated with RPA extracts at dosages of 0 (G1 group as negative controls), 2, 8 and 32 g/kg/day (G2, G3 and G4 groups) respectively from the gestation day (Gd) 6-15...
July 21, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28727410/exosomes-mediate-epithelium-mesenchyme-crosstalk-in-organ-development
#5
Nan Jiang, Lusai Xiang, Ling He, Guodong Yang, Jinxuan Zheng, Chenglin Wang, Yimei Zhang, Sainan Wang, Yue Zhou, Tzong-Jen Sheu, Jiaqian Wu, Kenian Chen, Paulo G Coelho, Nicky M Tovar, Shin Hye Kim, Mo Chen, Yan-Heng Zhou, Jeremy J Mao
Organ development requires complex signaling by cells in different tissues. Epithelium and mesenchyme interactions are crucial for the development of the skin, hair follicles, kidney, lungs, prostate, major glands and the teeth. Despite myriad literature on cell-cell interactions and ligand-receptor binding, the roles extracellular vesicles in epithelium-mesenchyme interactions during organogenesis are poorly understood. Here, we discovered that ~100 nm exosomes were secreted by the epithelium and mesenchyme of a developing tooth organ, and diffused through the basement membrane...
July 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28724445/sustained-benefit-from-combined-plasmapheresis-and-allogeneic-mesenchymal-stem-cells-transplantation-therapy-in-systemic-sclerosis
#6
Huayong Zhang, Jun Liang, Xiaojun Tang, Dandan Wang, Xuebing Feng, Fan Wang, Bingzhu Hua, Hong Wang, Lingyun Sun
BACKGROUND: Systemic sclerosis (SSc) is an autoimmune disease involving the skin and several internal organs. Most therapies available for this disease are symptomatic. Given the difficulty in treating SSc, we conducted this study to investigate the effect of combined plasmapheresis (PE) and allogeneic mesenchymal stem cells transplantation (MSCT) therapy on SSc. METHODS: Fourteen patients underwent three repeated PE treatments with subsequent pulse cyclophosphamide on days 1, 3 and 5...
July 19, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28723672/e3-ubiquitin-ligase-tripartite-motif-containing-71-promotes-the-proliferation-of-non-small-cell-lung-cancer-through-the-inhibitor-of-kappab-%C3%AE-nuclear-factor-kappab-pathway
#7
Hongjiu Ren, Yitong Xu, Qiongzi Wang, Jun Jiang, Wudumuli, Linping Hui, Qingfu Zhang, Xiupeng Zhang, Enhua Wang, Limei Sun, Xueshan Qiu
Tripartite motif-containing (TRIM) 71 belongs to the TRIM protein family. Many studies have shown that TRIM71 plays conserved roles in stem cell proliferation, differentiation, and embryonic development; however, the relationship between TRIM71 and tumorigenesis is not clear. In this study, we demonstrate that TRIM71 expression in non-small cell lung cancer (NSCLC) is associated with tumor size, lymph node metastasis, TNM stage, and poor prognosis. We found that TRIM71 was highly expressed in NSCLC cell lines compared with that in human normal bronchial epithelial cells...
July 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28723550/induced-pluripotent-stem-cell-derived-primitive-macrophages-provide-a-platform-for-modeling-tissue-resident-macrophage-differentiation-and-function
#8
Kazuyuki Takata, Tatsuya Kozaki, Christopher Zhe Wei Lee, Morgane Sonia Thion, Masayuki Otsuka, Shawn Lim, Kagistia Hana Utami, Kerem Fidan, Dong Shin Park, Benoit Malleret, Svetoslav Chakarov, Peter See, Donovan Low, Gillian Low, Marta Garcia-Miralles, Ruizhu Zeng, Jinqiu Zhang, Chi Ching Goh, Ahmet Gul, Sandra Hubert, Bernett Lee, Jinmiao Chen, Ivy Low, Nurhidaya Binte Shadan, Josephine Lum, Tay Seok Wei, Esther Mok, Shohei Kawanishi, Yoshihisa Kitamura, Anis Larbi, Michael Poidinger, Laurent Renia, Lai Guan Ng, Yochai Wolf, Steffen Jung, Tamer Önder, Evan Newell, Tara Huber, Eishi Ashihara, Sonia Garel, Mahmoud A Pouladi, Florent Ginhoux
Tissue macrophages arise during embryogenesis from yolk-sac (YS) progenitors that give rise to primitive YS macrophages. Until recently, it has been impossible to isolate or derive sufficient numbers of YS-derived macrophages for further study, but data now suggest that induced pluripotent stem cells (iPSCs) can be driven to undergo a process reminiscent of YS-hematopoiesis in vitro. We asked whether iPSC-derived primitive macrophages (iMacs) can terminally differentiate into specialized macrophages with the help of growth factors and organ-specific cues...
July 18, 2017: Immunity
https://www.readbyqxmd.com/read/28722353/auramine-o-an-incense-smoke-ingredient-promotes-lung-cancer-malignancy
#9
Jia-Chen Tung, Wei-Chien Huang, Juan-Cheng Yang, Guan-Yu Chen, Chi-Chen Fan, Yu-Chuan Chien, Pei-Shan Lin, Shih-Chun Candice Lung, Wei-Chao Chang
Burning incense to worship deities is a popular religious ritual in large parts of Asia, and is a popular custom affecting more than 1.5 billion adherents. Due to incomplete combustion, burning incense has been well recognized to generate airborne hazards to human health. However, the correlation between burning incense and lung cancer in epidemiological studies remains controversy. Therefore, we speculated that some unknown materials in incense smoke are involved in the initiation or progression of lung cancer...
July 19, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28721818/eurycoma-longifolia-a-potential-phytomedicine-for-the-treatment-of-cancer-evidence-of-p53-mediated-apoptosis-in-cancerous-cells
#10
Hnin Ei Thu, Zahid Hussain, Isa Naina Mohamed, Ahmad Nazrun Shuid
BACKGROUND: Eurycoma longifolia is a well-documented herbal medicine that has gained widespread recognition due to its versatile pharmacological activities including anticancer, anti-malarial, antimicrobial, antioxidant, aphrodisiac, anti-inflammatory, anxiolytic, anti-diabetic, anti-rheumatism and anti-ulcer. Plethora of in vitro and in vivo studies evidenced their excellent anti-proliferative and anticancer efficacy against various types of human cancers. OBJECTIVE: This review was aimed to critically analyze the therapeutic viability and anticancer efficacy of Eurycoma longifolia in the treatment of cancer and also to propose its molecular and translational mechanism of cytotoxicity against cancerous cells...
July 18, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28721587/genetically-engineered-cell-lines-for-%C3%AE-1-antitrypsin-expression
#11
Qianqian Ji, Caiping Guo, Chen Xie, Yingdan Wu, Pei Zhang, Hui Li, Yongjun Lu
OBJECTIVES: To establish genetically modified cell lines that can produce functional α1-antitrypsin (AAT), by CRISPR/Cas9-assisted homologous recombination. RESULTS: α1-Antitrypsin deficiency (AATD) is a monogenic heritable disease that often results in lungs and liver damage. Current augmentation therapy is expensive and in short of supply. To develop a safer and more effective therapeutic strategy for AATD, we integrated the AAT gene (SERPINA1, NG_008290.1) into the AAVS1 locus of human cell line HEK293T and assessed the safety and efficacy of CRISPR/Cas9 on producing potential therapeutic cell lines...
July 18, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28718412/stem-cells-cancer-and-musashi-in-blood-and-guts
#12
REVIEW
Michael G Kharas, Christopher J Lengner
The mammalian MSI family of RNA-binding proteins (RBPs) have important roles as oncoproteins in an array of tumor types, including leukemias, glioblastomas, and pancreatic, breast, lung, and colorectal cancers. The mammalian Msi genes, Msi1 and Msi2, have been most thoroughly investigated in two highly proliferative tissues prone to oncogenic transformation: the hematopoietic lineage and the intestinal epithelium. Despite their vast phenotypic differences, MSI proteins appear to have an analogous role in governing the stem cell compartment in both of these tissues, potentially providing a paradigm for a broader understanding of MSI function and oncogenic activities...
May 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28716088/loss-of-dip2c-in-rko-cells-stimulates-changes-in-dna-methylation-and-epithelial-mesenchymal-transition
#13
Chatarina Larsson, Muhammad Akhtar Ali, Tatjana Pandzic, Anders M Lindroth, Liqun He, Tobias Sjöblom
BACKGROUND: The disco-interacting protein 2 homolog C (DIP2C) gene is an uncharacterized gene found mutated in a subset of breast and lung cancers. To understand the role of DIP2C in tumour development we studied the gene in human cancer cells. METHODS: We engineered human DIP2C knockout cells by genome editing in cancer cells. The growth properties of the engineered cells were characterised and transcriptome and methylation analyses were carried out to identify pathways deregulated by inactivation of DIP2C...
July 17, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28709949/pulmonary-hypoplasia
#14
REVIEW
C Michael Cotten
To survive the transition to extrauterine life, newborn infants must have lungs that provide an adequate surface area and volume to allow for gas exchange. The dynamic activities of fetal breathing movements and accumulation of lung luminal fluid are key to fetal lung development throughout the various phases of lung development and growth, first by branching morphogenesis, and later by septation. Because effective gas exchange is essential to survival, pulmonary hypoplasia is among the leading findings on autopsies of children dying in the newborn period...
July 11, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28709456/analyses-of-distribution-and-dosimetry-of-brain-metastases-in-small-cell-lung-cancer-with-relation-to-the-neural-stem-cell-regions-feasibility-of-sparing-the-hippocampus-in-prophylactic-cranial-irradiation
#15
Lei Zhao, Yan Shen, Jin-Dong Guo, Heng-Le Gu, Wen Yu, Jia-Ming Wang, Chang-Xing Lv, Jun Liu, Xu-Wei Cai, Xiao-Long Fu
BACKGROUND: This work aims to assess the feasibility of selectively sparing the hippocampus during prophylactic cranial irradiation (PCI) for small cell lung cancer (SCLC). METHODS: SCLC patients with brain metastases (BMs) diagnosed with MRI were enrolled. Lesions localized to the neural stem cell (NSC) compartments [subventricular zone (SVZ) or hippocampus] were analyzed. Patients were categorized by the total number of intracranial metastases, the therapy processes and the symptoms...
July 15, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28706856/disseminated-nocardia-cyriacigeorgia-causing-pancreatitis-in-a-haploidentical-stem-cell-transplant-recipient
#16
Jason Chen, Jonathan Pan, Joanne Filicko-O'Hara, Margaret Kasner, Phyllis Flomenberg
We report the first published case of acute pancreatitis secondary to disseminated nocardiosis in a hematopoietic stem cell transplant (HSCT) recipient on chronic immunosuppression for graft-versus-host disease (GVHD). Nocardiosis in the HSCT population is relatively rare, and has not yet been described in haploidentical HSCT recipients. Our patient is a 28-year-old male with a history of haploidentical HSCT and GVHD of the skin and lung who was admitted to the hospital with acute pancreatitis. The workup for the etiology of his pancreatitis was initially unrevealing...
2017: IDCases
https://www.readbyqxmd.com/read/28705007/pancreas-adenocarcinoma-novel-therapeutics
#17
Benjamin A Krantz, Kenneth H Yu, Eileen M O'Reilly
Pancreatic ductal adenocarcinoma (PDAC) is the third highest cause of cancer-related deaths in the US, and is projected to be second only to non-small cell lung cancer (NSCLC) by the 2020s. Current therapies have a modest impact on survival and median overall survival (mOS) across all stages of disease remains under a year. Over the last decade, however, great strides have been made in the understanding of PDAC pathobiology including the role of the tumor microenvironment (TME), DNA damage repair and mechanism of immunosuppression...
June 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28702321/a-high-content-small-molecule-screen-identifies-novel-inducers-of-definitive-endoderm
#18
Alexander Korostylev, Pallavi U Mahaddalkar, Oliver Keminer, Kamyar Hadian, Kenji Schorpp, Philip Gribbon, Heiko Lickert
OBJECTIVES: Human embryonic stem cells (hESCs) and human induced pluripotent stem cells (hiPSCs) can generate any given cell type in the human body. One challenge for cell-replacement therapy is the efficient differentiation and expansion of large quantities of progenitor cells from pluripotent stem cells produced under good manufacturing practice (GMP). FOXA2 and SOX17 double positive definitive endoderm (DE) progenitor cells can give rise to all endoderm-derived cell types in the thymus, thyroid, lung, pancreas, liver, and gastrointestinal tract...
July 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28702025/cellular-and-molecular-defects-underlying-invasive-fungal-infections-revelations-from-endemic-mycoses
#19
REVIEW
Pamela P Lee, Yu-Lung Lau
The global burden of fungal diseases has been increasing, as a result of the expanding number of susceptible individuals including people living with human immunodeficiency virus (HIV), hematopoietic stem cell or organ transplant recipients, patients with malignancies or immunological conditions receiving immunosuppressive treatment, premature neonates, and the elderly. Opportunistic fungal pathogens such as Aspergillus, Candida, Cryptococcus, Rhizopus, and Pneumocystis jiroveci are distributed worldwide and constitute the majority of invasive fungal infections (IFIs)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28701189/stromal-derived-factor-1-mediates-the-lung-regenerative-effects-of-mesenchymal-stem-cells-in-a-rodent-model-of-bronchopulmonary-dysplasia
#20
Joel Reiter, Shelley Drummond, Ibrahim Sammour, Jian Huang, Victoria Florea, Polliana Dornas, Joshua M Hare, Claudia O Rodrigues, Karen C Young
BACKGROUND: Mesenchymal stem cells (MSCs) attenuate lung injury in experimental models of bronchopulmonary dysplasia (BPD). Stromal derived factor-1 (SDF-1), a chemokine secreted by MSCs, modulates angiogenesis and stem cell recruitment. Here we tested the hypothesis that SDF-1 mediates MSC protective effects in experimental BPD by modulating angiogenesis. METHODS: SDF-1 was knocked down in MSCs using lentiviral vectors carrying anti-SDF-1 short hairpin RNA (MSC-SDF KD)...
July 12, 2017: Respiratory Research
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