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https://www.readbyqxmd.com/read/28655132/fstl1-contributes-to-tumor-progression-via-attenuating-apoptosis-in-a-akt-gsk-3%C3%AE-dependent-manner-in-hepatocellular-carcinoma
#1
Wei Yang, Yaqi Wu, Cong Wang, Zhikui Liu, Meng Xu, Xin Zheng
BACKGROUND: Several investigations have demonstrated that follistatin-like 1 (FSTL1) is implicated in the initiation and progression of diverse cancers. It remains unclear whether FSTL1 acted as a cancer-promoting gene through its overexpression in HCC. PATIENTS AND METHODS: We detected FSTL1 protein expression in 210 consecutive HCC cases curatively resected in our hospital between 2004 and 2007. The correlation between FSTL1 expression in HCC tissues and post-surgical prognosis of HCCs was analyzed...
May 26, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28624955/presynaptic-inhibition-of-nociceptive-neurotransmission-by-somatosensory-neuron-secreted-suppressors
#2
REVIEW
Kaicheng Li, Bing Cai, Changlin Li, Xu Zhang
Noxious stimuli cause pain by activating cutaneous nociceptors. The Aδ- and C-fibers of dorsal root ganglion (DRG) neurons convey the nociceptive signals to the laminae I-II of spinal cord. In the dorsal horn of spinal cord, the excitatory afferent synaptic transmission is regulated by the inhibitory neurotransmitter γ-aminobutyric acid and modulators such as opioid peptides released from the spinal interneurons, and by serotonin, norepinepherine and dopamine from the descending inhibitory system. In contrast to the accumulated evidence for these central inhibitors and their neural circuits in the dorsal spinal cord, the knowledge about the endogenous suppressive mechanisms in nociceptive DRG neurons remains very limited...
June 15, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28624207/identification-of-novel-fibrosis-modifiers-by-in%C3%A2-vivo-sirna-silencing
#3
Elisabeth H Vollmann, Lizhi Cao, Aldo Amatucci, Taylor Reynolds, Stefan Hamann, Isin Dalkilic-Liddle, Thomas O Cameron, Markus Hossbach, Kevin J Kauffman, Faryal F Mir, Daniel G Anderson, Tatiana Novobrantseva, Victor Koteliansky, Tatiana Kisseleva, David Brenner, Jeremy Duffield, Linda C Burkly
Fibrotic diseases contribute to 45% of deaths in the industrialized world, and therefore a better understanding of the pathophysiological mechanisms underlying tissue fibrosis is sorely needed. We aimed to identify novel modifiers of tissue fibrosis expressed by myofibroblasts and their progenitors in their disease microenvironment through RNA silencing in vivo. We leveraged novel biology, targeting genes upregulated during liver and kidney fibrosis in this cell lineage, and employed small interfering RNA (siRNA)-formulated lipid nanoparticles technology to silence these genes in carbon-tetrachloride-induced liver fibrosis in mice...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28574994/follistatin-like-1-fstl1-is-required-for-the-normal-formation-of-lung-airway-and-vascular-smooth-muscle-at-birth
#4
Xue Liu, Yingying Liu, Xiaohe Li, Jing Zhao, Yan Geng, Wen Ning
Fstl1, a secreted protein of the BMP antagonist class, has been implicated in the regulation of lung development and alveolar maturation. Here we generated a Fstl1-lacZ reporter mouse line as well as a Fstl1 knockout allele. We localized Fstl1 transcript in lung smooth muscle cells and identified Fstl1 as essential regulator of lung smooth muscle formation. Deletion of Fstl1 in mice led to postnatal death as a result of respiratory failure due to multiple defects in lung development. Analysis of the mutant phenotype showed impaired airway smooth muscle (SM) manifested as smaller SM line in trachea and discontinued SM surrounding bronchi, which were associated with decreased transcriptional factors myocardin/serum response factor (SRF) and impaired differentiation of SM cells...
2017: PloS One
https://www.readbyqxmd.com/read/28520449/-novelties-in-the-treatment-of-heart-failure
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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 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
#15
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
#16
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
#17
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
#18
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...
June 2017: 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
#19
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
#20
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
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