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https://www.readbyqxmd.com/read/28520449/-novelties-in-the-treatment-of-heart-failure
#1
Filip Souček, Jan Novak
Heart failure (HF) is a complex clinical syndrome which is manifested by characteristic symptoms and objective signs of cardiac insufficiency. The incidence of HF, particularly its chronic form, is estimated 0.4-2 % in the central and western Europe, with an increase in higher age groups, affecting 10-20 % of the population aged over 80. With respect to its growing incidence and prevalence, novel modalities of pharmacological and non-pharmacological treatment are being developed in order to improve quality of life and survival of the affected patients...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28498809/follistatin-like-protein-1-promotes-inflammatory-reactions-in-nucleus-pulposus-cells-by-interacting-with-the-mapk-and-nf%C3%AE%C2%BAb-signaling-pathways
#2
Yi Liu, Jianlu Wei, Yunpeng Zhao, Yuanqiang Zhang, Yingguang Han, Bin Chen, Kaiyuan Cheng, Jialin Jia, Lin Nie, Lei Cheng
OBJECTIVE: Follistatin-like protein 1 (FSTL1) is a well-known mediator of inflammation. Intervertebral disc disease is an inflammatory disorder. Here, we investigated the role of FSTL1 in the intervertebral discs inflammation. METHODS: Expression of FSTL1 in nucleus pulposus tissues from rats and human was determined by immunohistochemistry staining and western blot analysis. The expression levels of tumor necrosis factor-α (TNF-α), interleukin1-β (IL-1β) and matrix metalloproteinase 13 (MMP-13) in human and rat nucleus pulposus tissues were measured by immunohistochemistry staining...
April 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28495857/tgf-%C3%AE-1-induces-fstl1-via-the-smad3-c-jun-pathway-in-lung-fibroblasts
#3
Xiaohong Zheng, Chao Qi, Si Zhang, Yinshan Fang, Wen Ning
Transforming growth factor (TGF)-β1 has long been regarded as a central mediator of tissue fibrosis. Follistatin-like 1 (Fstl1) is a crucial pro-fibrotic glycoprotein that is up-regulated in fibrotic lung tissues and that promotes fibrogenesis via facilitating TGF-β signaling. Here we examined the signaling pathway by which TGF-β1 up-regulates Fstl1 expression in mouse pulmonary fibroblasts. TGF-β1 regulated Fstl1 expression at both the transcriptional as well as translational levels. Transforming growth factor (TGF)-β1 has long been regarded as a central mediator of tissue fibrosis...
May 11, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28473327/autophagy-plays-a-role-in-fstl1-induced-emt-and-airway-remodeling-in-asthma
#4
Tian Liu, Yahui Liu, Marina Miller, Liuzhao Cao, Jiping Zhao, Jinxiang Wu, Junfei Wang, Lin Liu, Shuo Li, Minfang Zou, Jiawei Xu, David H Broide, Liang Dong
Asthma is a chronic disease related to airway hyper-responsiveness and airway remodeling. Airway remodeling is the important reason of refractory asthma and is associated with differentiation of airway epithelia into myofibroblasts via epithelial-mesenchymal transition (EMT) to increase the process of subepithelial fibrosis. There is growing evidence that autophagy modulates remodeling. However, the underlying molecular mechanisms of these effects are still unclear. In this study, we hypothesized that Follistatin-like 1(FSTL1) promotes EMT and airway remodeling by intensifying autophagy...
May 4, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28393245/knockdown-of-fstl1-inhibits-pdgf%C3%A2-bb%C3%A2-induced-human-airway-smooth-muscle-cell-proliferation-and-migration
#5
Yuelin Deng, Yao Zhang, Huajie Wu, Zhaoling Shi, Xin Sun
Abnormal proliferation and migration of airway smooth muscle (ASM) cells serve roles in airway remodeling, and contribute to airway hyper‑responsiveness. Follistatin‑like protein 1 (FSTL1) is a secreted glycoprotein that belongs to the follistatin family of proteins. It was reported that in the lungs of patients suffering from severe asthma, FSTL1 is highly expressed by macrophages. However, the role of FSTL1 in ASM cell proliferation and migration remains unknown. The present study aimed to investigate the role of FSTL1 in cell proliferation and migration mediated by platelet‑derived growth factor subunit B (PDGF‑BB) in human ASM cells...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28361925/follistatin-like-1-protects-against-hypoxia-induced-pulmonary-hypertension-in-mice
#6
Wei Zhang, Wang Wang, Jie Liu, Jinna Li, Juan Wang, Yunxia Zhang, Zhifei Zhang, Yafei Liu, Yankun Jin, Jifeng Li, Jie Cao, Chen Wang, Wen Ning, Jun Wang
Pulmonary hypertension (PH) remains a life-limiting disease characterized by pulmonary vascular remodelling due to aberrant proliferation and migration of pulmonary artery smooth muscle cells (PASMCs), thus leading to raised pulmonary arterial pressure and right ventricular hypertrophy. Secreted glycoprotein follistatin-like 1 (FSTL1) has been reported to ameliorate tissue remodelling in cardiovascular injuries. However, the role of FSTL1 in deranged pulmonary arteries remains elusive. We found that there were higher serum levels of FSTL1 in patients with PH related to chronic obstructive pulmonary diseases (COPD) and in mice model of hypoxia-induced PH (HPH)...
March 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28341862/follistatin-like-1-aggravates-silica-induced-mouse-lung-injury
#7
Yinshan Fang, Si Zhang, Xiaohe Li, Fangxin Jiang, Qiao Ye, Wen Ning
Occupational inhalation of dust, such as crystalline silica, for prolonged periods in the workplace leads to fibrotic lung diseases worldwide. The mechanisms underlying the diseases are unknown, so that no effective treatment exists for these conditions. We found elevated levels of follistatin like 1 (FSTL1) in serum from patients with silicosis and in lungs from silica-induced mouse model. The induced Fstl1 regulated inflammation response via activation of nod-like receptor family, pyrin domain containing 3v (NLRP3) inflammasome-mediated IL-1β production from macrophages...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28285737/lung-injury-induced-by-bisphenol-a-a-food-contaminant-is-ameliorated-by-selenium-supplementation
#8
Azza S Abedelhaffez, Ebtihal A Abd El-Aziz, Mohamed A Abdel Aziz, Asmaa M Ahmed
Bisphenol A (BPA), a widely used industrial chemical, is known to disrupt endocrine function. This study aimed to investigate the impact of chronic exposure to BPA on the lung tissue of adult male rats as well as any possible alleviating effects resulting from selenium (Se) treatment. Chronic exposure to BPA resulted in prominent inflammation and oxidative stress responses as evidenced by an increase in levels of malondialdehyde (MDA), reduced concentrations of superoxide dismutase (SOD), and upregulation of Interleukin-18 (IL-18) expression in lung tissue...
February 12, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28283678/deficiency-of-%C3%AE-7-nicotinic-acetylcholine-receptor-attenuates-bleomycin-induced-lung-fibrosis-in-mice
#9
Peiyu Sun, Ling Li, Caiqi Zhao, Mengyao Pan, Zhikang Qian, Xiao Su
α7 nicotinic acetylcholine receptor (α7 nAChR, coded by Chrna7) is indispensible in dampening proinflammatory responses. However, whether α7 nAChR would play a role in regulating bleomycin (BLM)-induced lung fibrosis is less investigated. Here, we intratracheally challenged wildtype and Chrna7(-/-) mice with BLM to elicit lung fibrosis. Taken advantage of this model, we measured body weight loss, lung fibrogenic genes (Acta2, Col1a1, Fsp1, and Fstl1), histology, Masson's trichrome staining, hydroxyproline levels, and expression of α-SMA at protein levels in the BLM-challenged lung for evaluating severity of lung fibrosis...
March 6, 2017: Molecular Medicine
https://www.readbyqxmd.com/read/28264603/cardiac-failure-detection-in-30%C3%A2-minutes-new-approach-based-on-gold-nanoparticles
#10
Mehrdad Namdari, Babak Negahdari, Mostafa Cheraghi, Hammed T Aiyelabegan, Ali Eatmadi
Cardiac failure occurs when heart is unable to pump sufficiently to maintain blood flow to meet the body's needs. The aim of this work is to detect highly expressed genes: follistatin-related protein 1 (FSTL1) in heart failure within 30 minutes, using gold nanoparticles. Gold nanoparticles were prepared by citrate reduction of HAuCl4 3H2O; probe sequence was designed based on the FSTL1 gene region. Preparation of gold nanoprobes (AuNPs) proceeded by treating all the containers with DEPC-treated water, followed by reduction and conjugation...
March 7, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28215633/tlr-4-mirna-32-5p-fstl1-signaling-regulates-mycobacterial-survival-and-inflammatory-responses-in-mycobacterium-tuberculosis-infected-macrophages
#11
Zhi-Min Zhang, Ai-Rong Zhang, Min Xu, Jun Lou, Wei-Qiang Qiu
Macrophages play a pivotal role in host immune response against mycobacterial infection, which is tightly modulated by multiple factors, including microRNAs. The purpose of the present study was to investigate the biological function and potential mechanism of miR-32-5p in human macrophages during Mycobacterium tuberculosis (M.tb) infection. The results demonstrated that miR-32-5p was robustly enhanced in THP-1 and U937 cells in response to M.tb infection. TLR-4 signaling was required for upregulation of miR-32-5p induced by M...
March 15, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28188034/follistatin-like-1-expression-is-decreased-in-the-alveolar-epithelium-of-hypoplastic-rat-lungs-with-nitrofen-induced-congenital-diaphragmatic-hernia
#12
Toshiaki Takahashi, Julia Zimmer, Florian Friedmacher, Prem Puri
BACKGROUND/PURPOSE: Pulmonary hypoplasia (PH), characterized by incomplete alveolar development, remains a major therapeutic challenge associated with congenital diaphragmatic hernia (CDH). Follistatin-like 1 (Fstl1) is a crucial regulator of alveolar formation and maturation, which is strongly expressed in distal airway epithelium. Fstl1-deficient mice exhibit reduced airspaces, impaired alveolar epithelial cell differentiation, and insufficient production of surfactant proteins similar to PH in human CDH...
May 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28068899/maternal-bmi-as-a-predictor-of-methylation-of-obesity-related-genes-in-saliva-samples-from-preschool-age-hispanic-children-at-risk-for-obesity
#13
Kathryn Tully Oelsner, Yan Guo, Sophie Bao-Chieu To, Amy L Non, Shari L Barkin
BACKGROUND: The study of epigenetic processes and mechanisms present a dynamic approach to assess complex individual variation in obesity susceptibility. However, few studies have examined epigenetic patterns in preschool-age children at-risk for obesity despite the relevance of this developmental stage to trajectories of weight gain. We hypothesized that salivary DNA methylation patterns of key obesogenic genes in Hispanic children would 1) correlate with maternal BMI and 2) allow for identification of pathways associated with children at-risk for obesity...
January 9, 2017: BMC Genomics
https://www.readbyqxmd.com/read/27993536/neutrophils-are-a-major-source-of-the-epithelial-barrier-disrupting-cytokine-oncostatin-m-in-patients-with-mucosal-airways-disease
#14
Kathryn L Pothoven, James E Norton, Lydia A Suh, Roderick G Carter, Kathleen E Harris, Assel Biyasheva, Kevin Welch, Stephanie Shintani-Smith, David B Conley, Mark C Liu, Atsushi Kato, Pedro C Avila, Qutayba Hamid, Leslie C Grammer, Anju T Peters, Robert C Kern, Bruce K Tan, Robert P Schleimer
BACKGROUND: We have previously shown that oncostatin M (OSM) levels are increased in nasal polyps (NPs) of patients with chronic rhinosinusitis (CRS), as well as in bronchoalveolar lavage fluid, after segmental allergen challenge in allergic asthmatic patients. We also showed in vitro that physiologic levels of OSM impair barrier function in differentiated airway epithelium. OBJECTIVE: We sought to determine which hematopoietic or resident cell type or types were the source of the OSM expressed in patients with mucosal airways disease...
December 18, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27976415/up-regulation-of-follistatin-like-1-by-the-androgen-receptor-and-melanoma-antigen-a11-in-prostate-cancer
#15
Shifeng Su, Amanda B Parris, Gail Grossman, James L Mohler, Zengjun Wang, Elizabeth M Wilson
BACKGROUND: High affinity androgen binding to the androgen receptor (AR) activates genes required for male sex differentiation and promotes the development and progression of prostate cancer. Human AR transcriptional activity involves interactions with coregulatory proteins that include primate-specific melanoma antigen-A11 (MAGE-A11), a coactivator that increases AR transcriptional activity during prostate cancer progression to castration-resistant/recurrent prostate cancer (CRPC). METHODS: Microarray analysis and quantitative RT-PCR were performed to identify androgen-regulated MAGE-A11-dependent genes in LAPC-4 prostate cancer cells after lentivirus shRNA knockdown of MAGE-A11...
December 14, 2016: Prostate
https://www.readbyqxmd.com/read/27913976/follistatin-like-protein-1-suppressed-pro-inflammatory-cytokines-expression-during-neuroinflammation-induced-by-lipopolysaccharide
#16
Kai-Yuan Cheng, Yi Liu, Ying-Guang Han, Jing-Kun Li, Jia-Lin Jia, Bin Chen, Zhi-Xiao Yao, Lin Nie, Lei Cheng
Follistain-like protein 1 (FSTL1), has been recently demonstrated to be involved in the embryo development of nervous system and glioblastoma. However, the role of FSTL1 in neuroinflammation remains unexplored. In this study, the expression of FSTL1 in astrocytes was verified and its role was studied in neuroinflammation induced by in vivo intracerebroventricular (ICV) injection of lipopolysaccharide (LPS) or LPS treatment to astrocytes in vitro. FSTL1 was significantly induced after ICV LPS injection or LPS treatment...
April 2017: Journal of Molecular Histology
https://www.readbyqxmd.com/read/27859422/follistatin-like-protein-1-contributes-to-dendritic-cell-and-t-lymphocyte-activation-in-nasopharyngeal-carcinoma-patients-by-altering-nuclear-factor-%C3%AE%C2%BAb-and-jun-n-terminal-kinase-expression
#17
Hong Wang, Senyong Wu, Shiping Huang, Shaolin Yin, Guilong Zou, Kuan'en Huang, Zhe Zhang, Anzhou Tang, Wensheng Wen
Follistatin-like protein 1 (FSTL1) is a newly characterized protein that can regulate the immune response in various ways. Dendritic cells (DCs) are central to immune regulation. In this study, we explored the impact of FSTL1 on DC activity in nasopharyngeal carcinoma (NPC) patients. The surface expression of CD40, CD86, and HLA-DR on DCs was analyzed and showed significantly elevated expression levels, indicating DC maturity. After FSTL1 was added to DCs collected from NPC patients (n = 50), controls (n = 47), and healthy donors (n = 10), interferon γ secretion and T-cell receptor expression in cytotoxic T lymphocytes were also investigated...
December 2016: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/27569284/knockdown-of-fstl1-inhibits-oxldl-induced-inflammation-responses-through-the-tlr4-myd88-nf-%C3%AE%C2%BAb-and-mapk-pathway
#18
Junxia Guo, Wanqian Liang, Jianhua Li, Jingning Long
Activation of inflammation by oxidized low-density lipoprotein (oxLDL) has been implicated in the development of atherosclerosis. Follistatin-like protein 1 (FSTL1) play a central role in the inflammation process and modulate cardiovascular disorders. However, little is known about the effects of FSTL1 on the inflammation induced by oxLDL. The aim of this study was to evaluate the anti-inflammatory effect of FSTL1 and investigate potential mechanisms in cultured endothelial cells. A model of oxLDL-induced injury in human coronary artery endothelial cells (HCAECs) was established to evaluate the protective role of FSTL1...
September 30, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27561749/fstl1-as-a-potential-mediator-of-exercise-induced-cardioprotection-in-post-myocardial-infarction-rats
#19
Yue Xi, Da-Wei Gong, Zhenjun Tian
Exercise training has been reported to ameliorate heart dysfunction in both humans and animals after myocardial infarction (MI), but the underlying mechanisms are poorly understood. Follistatin-like1 (FSTL1) is a cardioprotective factor against ischemic injury and is induced in cardiomyocytes and skeletal muscle in ischemic and hypoxic conditions. To test the hypothesis that FSTL1 may be a molecular link between exercise and improved heart function post MI, we subjected MI-rats, induced by left coronary artery ligation, to two modes of exercise: intermittent aerobic exercise (IAE) or mechanical vibration training (MVT), for four weeks and examined the relevance of FSTL1 to exercise-mediated cardiac effects...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27534394/discovering-gene-expression-signatures-responding-to-tyrosine-kinase-inhibitor-treatment-in-chronic-myeloid-leukemia
#20
Kihoon Cha, Yi Li, Gwan-Su Yi
BACKGROUND: Tyrosine kinase inhibitor (TKI)-based therapy is a recommended treatment for patients with chronic myeloid leukemia (CML). However, a considerable group of CML patients do not respond well to the TKI therapy. Challenging to overcome this problem, we tried to discover molecular signatures in gene expression profiles to discriminate the responders and non-responders of TKI therapy. METHODS: We collected three microarray datasets of CML patients having total 73 responders and 38 non-responders...
2016: BMC Medical Genomics
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