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Lung stem cells

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https://www.readbyqxmd.com/read/28918013/mir-135b-stimulates-osteosarcoma-recurrence-and-lung-metastasis-via-notch-and-wnt-%C3%AE-catenin-signaling
#1
Hua Jin, Song Luo, Yun Wang, Chang Liu, Zhenghao Piao, Meng Xu, Wei Guan, Qing Li, Hua Zou, Qun-You Tan, Zhen-Zhou Yang, Yan Wang, Dong Wang, Cheng-Xiong Xu
Cancer stem cells (CSCs) play an important role in osteosarcoma (OS) metastasis and recurrence, and both Wnt/β-catenin and Notch signaling are essential for the development of the biological traits of CSCs. However, the mechanism that underlies the simultaneous hyperactivation of both Wnt/β-catenin and Notch signaling in OS remains unclear. Here, we report that expression of miR-135b correlates with the overall and recurrence-free survival of OS patients, and that miR-135b has an activating effect on both Wnt/β-catenin and Notch signaling...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28917250/emerging-technologies-in-stereotactic-body-radiotherapy
#2
Lijun Ma, Lei Wang, Chia-Lin Tseng, Arjun Sahgal
Stereotactic body radiation therapy (SBRT) stems from the initial developments of intra-cranial stereotactic radiosurgery (SRS). Despite similarity in their names and clinical goals of delivering a sufficiently high tumoricidal dose, maximal sparing of the surrounding normal tissues and a short treatment course, SBRT technologies have transformed from the early days of body frame-based treatments with X-ray verification to primarily image-guided procedures with cone-beam CT or stereoscopic X-ray systems and non-rigid body immo-bilization...
September 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28916766/stimulatory-secretions-of-airway-epithelial-cells-accelerate-early-repair-of-tracheal-epithelium
#3
Egi Kardia, Rafeezul Mohamed, Badrul Hisham Yahaya
Airway stem/progenitor epithelial cells (AECs) are notable for their differentiation capacities in response to lung injury. Our previous finding highlighted the regenerative capacity of AECs following transplantation in repairing tracheal injury and reducing the severity of alveolar damage associated acute lung injury in a rabbit model. The goal of this study is to further investigate the potential of AECs to re-populate the tracheal epithelium and to study their stimulatory effect on inhibiting pro-inflammatory cytokines, epithelial cell migration and proliferation, and epithelial-to-mesenchymal transition (EMT) process following tracheal injury...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28916482/disposition-of-treosulfan-and-its-active-monoepoxide-in-a-bone-marrow-liver-lungs-brain-and-muscle-studies-in-a-rat-model-with-clinical-relevance
#4
Michał Romański, Anna Kasprzyk, Mateusz Walczak, Agnieszka Ziółkowska, Franciszek Główka
For the recent years, the application of treosulfan (TREO)-based conditioning prior to hematopoietic stem cell transplantation (HSCT) has been increasing as an alternative to busulfan-based therapy, especially for patients presenting high risk of developing hepato-, pulmo-, and neurotoxicity. So far, the penetration of TREO and its epoxy-derivatives into central nervous system and aqueous humor of the eye has been investigated. However, lacking knowledge on the compounds distribution into the other key tissues precludes comprehensive understanding and assessment of TREO clinical efficacy and toxicity...
September 12, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28914637/signal-transducer-and-activator-of-transcription-gain-of-function-primary-immunodeficiency-immunodysregulation-disorders
#5
Filippo Consonni, Laura Dotta, Francesca Todaro, Donatella Vairo, Raffaele Badolato
PURPOSE OF REVIEW: To describe primary immunodeficiencies caused by gain-of-function (GOF) mutations of signal transducer and activator of transcription (STAT) genes, a group of genetically determined disorders characterized by susceptibility to infections and, in many cases, autoimmune manifestations. RECENT FINDINGS: GOF mutations affecting STAT1 result in increased STAT tyrosine phosphorylation and secondarily increased response to STAT1-signaling cytokines, such as interferons...
September 13, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28912540/sox9-regulates-cancer-stem-like-properties-and-metastatic-potential-of-single-walled-carbon-nanotube-exposed-cells
#6
Maria A Voronkova, Sudjit Luanpitpong, Liying Wang Rojanasakul, Vincent Castranova, Cerasela Zoica Dinu, Heimo Riedel, Yon Rojanasakul
Engineered nanomaterials hold great promise for the future development of innovative products but their adverse health effects are a major concern. Recent studies have indicated that certain nanomaterials, including carbon nanotubes (CNTs), may be carcinogenic. However, the underlying mechanisms behind their potential malignant properties remain unclear. In this study, we linked SOX9, a stem cell associated transcription factor, to the neoplastic-like properties of human lung epithelial cells chronically exposed to a low-dose of single-walled carbon nanotubes (SWCNTs)...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28911970/mesenchymal-stem-cells-alleviate-oxidative-stress-induced-mitochondrial-dysfunction-in-the-airways
#7
Xiang Li, Charalambos Michaeloudes, Yuelin Zhang, Coen H Wiegman, Ian M Adcock, Qizhou Lian, Judith C W Mak, Pankaj K Bhavsar, Kian Fan Chung
BACKGROUND: Oxidative stress-induced mitochondrial dysfunction may contribute to inflammation and remodeling in chronic obstructive pulmonary disease (COPD). Mesenchymal stem cells (MSCs) protect against lung damage in animal models of COPD. It is unknown whether these effects occur through attenuating mitochondrial dysfunction in airway cells. OBJECTIVE: To examine the effect of induced-pluripotent stem cell-derived MSCs (iPSC-MSCs) on oxidative stress-induce mitochondrial dysfunction in human airway smooth muscle cells (ASMCs) in vitro and in mouse lungs in vivo...
September 11, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28911165/cellular-retinoic-acid-binding-protein-1-modulates-stem-cell-proliferation-to-affect-learning-and-memory-in-male-mice
#8
Yu-Lung Lin, Shawna D Persaud, Jennifer Nhieu, Li-Na Wei
Retinoic acid (RA) is the active ingredient of vitamin A. It exerts its canonical activity by binding to nuclear RA receptors (RARs) to regulate gene expression. Increasingly, RA is also known to elicit nongenomic RAR-independent activities, most widely detected in activating extracellular regulated kinase (ERK)1/2. This study validated the functional role of cellular retinoic acid-binding protein 1 (Crabp1) in mediating nongenomic activity in RA, specifically activating ERK1/2 to rapidly augment the cell cycle by expanding the growth 1 phase and slowing down embryonic stem cell and neural stem cell (NSC) proliferation...
September 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28910960/-effects-of-human-mesenchymal-stem-cells-on-airway-inflammation-in-allergic-asthma-mice-and-the-underlying-mechanism
#9
N N Ren, H J Chen, Q L Chen, J Eileen, Y G An, Yiguang Lin
Objectives: To investigate the effects of human umbilical cord mesenchymal stem cells (hUC-MSCs) on airway inflammation in an ovalbumin (OVA) induced asthma mouse model and the underlying mechanism. Methods: Twenty-four BALB/c mice were randomly divided into four equal groups: normal control group, OVA-induced asthmatic model group, hUC-MSCs treated group (50 μl of hUC-MSCs was transplanted into the trachea of asthmatic mice ) and hUC-MSCs control group (50 μl of hUC-MSCs was transplanted into the trachea of control mice)...
September 12, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28910516/controlling-differentiation-of-stem-cells-for-developing-personalized-organ-on-chip-platforms
#10
REVIEW
Armin Geraili, Parya Jafari, Mohsen Sheikh Hassani, Behnaz Heidary Araghi, Mohammad Hossein Mohammadi, Amir Mohammad Ghafari, Sara Hasanpour Tamrin, Hassan Pezeshgi Modarres, Ahmad Rezaei Kolahchi, Samad Ahadian, Amir Sanati-Nezhad
Organ-on-chip (OOC) platforms have attracted attentions of pharmaceutical companies as powerful tools for screening of existing drugs and development of new drug candidates. OOCs have primarily used human cell lines or primary cells to develop biomimetic tissue models. However, the ability of human stem cells in unlimited self-renewal and differentiation into multiple lineages has made them attractive for OOCs. The microfluidic technology has enabled precise control of stem cell differentiation using soluble factors, biophysical cues, and electromagnetic signals...
September 14, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28906550/efficacy-and-safety-of-autologous-haematopoietic-stem-cell-transplantation-in-systemic-sclerosis-a-systematic-review-of-literature
#11
A Eyraud, L Scouppe, T Barnetche, E Forcade, E Lazaro, P Duffau, C Richez, J Seneschal, M-E Truchetet
We aimed at assessing the efficacy of autologous haematopoietic stem cell transplantation (HSCT) for skin sclerosis and lung function in systemic sclerosis (SSc). We performed a systematic literature review in the Pubmed and Scopus databases from the earliest records to March 2016. We assessed quality using the Cochrane tool for randomized studies, Newcastle-Ottawa scale for controlled-cohort studies and an 18-item quality appraisal checklist for case series. The primary outcome was the improvement of skin thickening using the modified Rodnan Skin Score (mRSS)...
September 14, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28905450/nrf2-transfection-enhances-the-efficacy-of-human-amniotic-mesenchymal-stem-cells-to-repair-lung-injury-induced-by-lipopolysaccharide
#12
Shouqin Zhang, Wei Jiang, Lijie Ma, Yuhao Liu, Xiangyu Zhang, Sheng Wang
Acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) are clinical emergencies with no effective pharmaceutical treatment. This study aims to determine the protective effects of Nrf2-transfected human amniotic mesenchymal stem cells (hAMSCs) against lipopolysaccharide (LPS)-induced lung injury in mice. hAMSCs stably transfected with Nrf2 or green fluorescent protein control were transplanted into male C57BL/6 mice via the tail vein 4 h after intratracheal instillation of LPS. At 3, 7 and 14 days after cell transplantation, total lung injury score (the Smith score) was determined by hematoxylin and eosin staining...
September 14, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28904399/semaphorin-3%C3%A2-c-drives-epithelial-to-mesenchymal-transition-invasiveness-and-stem-like-characteristics-in-prostate-cells
#13
Kevin J Tam, Daniel H F Hui, Wilson W Lee, Mingshu Dong, Tabitha Tombe, Ivy Z F Jiao, Shahram Khosravi, Ario Takeuchi, James W Peacock, Larissa Ivanova, Igor Moskalev, Martin E Gleave, Ralph Buttyan, Michael E Cox, Christopher J Ong
Prostate cancer (PCa) is among the most commonly-occurring cancers worldwide and a leader in cancer-related deaths. Local non-invasive PCa is highly treatable but limited treatment options exist for those with locally-advanced and metastatic forms of the disease underscoring the need to identify mechanisms mediating PCa progression. The semaphorins are a large grouping of membrane-associated or secreted signalling proteins whose normal roles reside in embryogenesis and neuronal development. In this context, semaphorins help establish chemotactic gradients and direct cell movement...
September 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28903328/cd164-promotes-lung-tumor-initiating-cells-with-stem-cell-activity-and-determines-tumor-growth-and-drug-resistance-via-akt-mtor-signaling
#14
Wei-Liang Chen, Ai-Fang Huang, Shih-Ming Huang, Ching-Liang Ho, Yung-Lung Chang, James Yi-Hsin Chan
CD164 is a cell adhesion molecule that increases hematopoietic stem cell proliferation, adhesion, and migration via C-X-C chemokine receptor type 4 (CXCR4) signaling. Emerging evidence indicates that elevated CD164 expression is associated with aggressive metastasis, advanced stages, and shorter overall survival in lung cancer. However, no data are available regarding the clinical significance of CD164 expression in lung cancer. This study explores whether CD164 promotes tumor-initiation and drug resistance through the stem cell property...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28901474/inhibition-of-mir-23a-increases-the-sensitivity-of-lung-cancer-stem-cells-to-erlotinib-through-pten-pi3k-akt-pathway
#15
Zhijun Han, Xiaoyun Zhou, Shanqing Li, Yingzhi Qin, Yeye Chen, Hongsheng Liu
Epidermal growth factor receptor-targeted tyrosine kinase inhibitors (EGFR-TKIs) have become first-line drugs used for non-small cell lung cancer (NSCLC) treatment. However, drug resistance to EGFR-TKIs will be developed inevitably due to the repeated use of these drugs. In the present study, we isolated cancer stem cells (CSCs) from the PC9 NSCLC cell line. We then observed that the PC9 CSCs showed significant resistance to erlotinib compared with the PC9 non-CSCs. Erlotinib failed to suppress the phosphorylation of PI3K and AKT in PC9 CSCs, although the EGFR was inhibited sufficiently...
September 4, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901469/glycogen-synthase-kinase%C3%A2-3%C3%AE-inhibitor-reduces-lps%C3%A2-induced-acute-lung-injury-in-mice
#16
Qi Ding, Gaoqin Liu, Yuanyuan Zeng, Jianjie Zhu, Zeyi Liu, Junhong Jiang, Jianan Huang
The aim of the present study was to examine the role of Wnt signaling in lipopolysaccharide (LPS)‑induced acute respiratory distress syndrome (ARDS). ARDS was induced by LPS and compared in mice treated with either glycogen synthase kinase‑3β inhibitor (GSKI) or PBS. The protein expression levels of interleukin (IL)‑6, IL‑8, tumor necrosis factor (TNF)‑α, IL‑17, IL‑18 and IL‑1β in the bronchoalveolar lavage fluid (BALF) were examined using murine cytokine‑specific enzyme‑linked immunosorbent assays...
September 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28900199/sorafenib-suppresses-extrahepatic-metastasis-de-novo-in-hepatocellular-carcinoma-through-inhibition-of-mesenchymal-cancer-stem-cells-characterized-by-the-expression-of-cd90
#17
Mariko Yoshida, Taro Yamashita, Hikari Okada, Naoki Oishi, Kouki Nio, Takehiro Hayashi, Yoshimoto Nomura, Tomoyuki Hayashi, Yoshiro Asahina, Mika Ohwada, Hajime Sunagozaka, Hajime Takatori, Federico Colombo, Laura Porretti, Masao Honda, Shuichi Kaneko
Cancer stem cells (CSCs) are a pivotal target for eradicating hepatocellular carcinoma (HCC). We previously reported that distinctive CSCs regulating tumorigenicity (EpCAM(+) CSCs) and metastasis (CD90(+) CSCs) have different epithelial/mesenchymal gene expression signatures. Here, we examined the influence of sorafenib, a multiple-receptor tyrosine kinase inhibitor used as a first-line treatment for advanced HCC, on EpCAM(+) and CD90(+) CSCs. CD90(+) cells showed higher c-Kit gene/protein expression than EpCAM(+) cells...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28894914/effect-of-rituximab-on-pulmonary-function-in-bronchiolitis-obliterans-syndrome-due-to-graft-versus-host-disease
#18
Kyle R Brownback, Laura A Thomas, Joseph P McGuirk, Siddhartha Ganguly, Christopher Streiler, Sunil Abhyankar
PURPOSE: Rituximab is an anti-CD20 monoclonal antibody that is used to suppress B-cell function in graft-versus-host-disease (GVHD). We sought to determine the effects of rituximab treatment on lung function in those patients with bronchiolitis obliterans syndrome (BOS) as a manifestation of GVHD. METHODS: Thirteen patients were treated with rituximab with a diagnosis of BOS and a significant reduction in the forced expiratory volume in 1 s (FEV1) after hematopoietic stem cell transplantation (HSCT)...
September 11, 2017: Lung
https://www.readbyqxmd.com/read/28891208/serum-microrna-150-predicts-prognosis-for-early-stage-non-small-cell-lung-cancer-and-promotes-tumor-cell-proliferation-by-targeting-tumor-suppressor-gene-srcin1
#19
Liren Zhang, Jing Lin, Yuanqing Ye, Taro Oba, Emanuela Gentile, Jie Lian, Jing Wang, Yang Zhao, Jian Gu, Ignacio I Wistuba, Jack A Roth, Lin Ji, Xifeng Wu
This integrative multistage study was aimed to identify circulating miRNAs as prognostic biomarkers and investigate treatment target for early-stage non-small cell lung cancer (NSCLC) patients. In stage I-II NSCLC patients, we screened and validated miRNA ratio signatures predictive of prognosis in serum. In tumor, we found that the expression of miR-150 in identified miRNA signatures was also associated with survival. Increased miR-150 expression promoted NSCLC cell proliferation and migration and vice versa...
September 10, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28887716/inhibitory-effect-and-molecular-mechanism-of-mesenchymal-stem-cells-on-nsclc-cells
#20
Mengwu Pan, Lingling Hou, Jingsi Zhang, Diandian Zhao, Jilei Hua, Ziling Wang, Jinsheng He, Hong Jiang, Honggang Hu, Lishu Zhang
Non-small-cell lung cancer (NSCLC) is still the main threat of cancer-associated death. Current treatment of NSCLC has limited effectiveness, and unfortunately, the prognosis of NSCLC remains poor. Therefore, a novel strategy for cancer therapy is urgently needed. Stem cell therapy has significant potential for cancer treatment. Mesenchymal stem cells (MSCs) with capacity for self-renewal and differentiation into various cells types exhibit the feature of homing to tumor site and immunosuppression, have been explored as a new treatment for various cancers...
September 8, 2017: Molecular and Cellular Biochemistry
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