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Follistatin

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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
#1
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...
April 7, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28384189/polymorphisms-of-fst-gene-and-their-association-with-wool-quality-traits-in-chinese-merino-sheep
#2
Guang-Wei Ma, Yan-Kai Chu, Wen-Jian Zhang, Fei-Yue Qin, Song-Song Xu, Hua Yang, En-Guang Rong, Zhi-Qiang Du, Shou-Zhi Wang, Hui Li, Ning Wang
Follistatin (FST) is involved in hair follicle morphogenesis. However, its effects on hair traits are not clear. This study was designed to investigate the effects of FST gene single nucleotide polymorphisms (SNP) on wool quality traits in Chinese Merino sheep (Junken Type). We performed gene expression analysis, SNP detection, and association analysis of FST gene with sheep wool quality traits. The real-time RT-PCR analysis showed that FST gene was differentially expressed in adult skin between Chinese Merino sheep (Junken Type) and Suffolk sheep...
2017: PloS One
https://www.readbyqxmd.com/read/28377613/follistatin-like-protein-1-modulates-il-17-signaling-via-il-17rc-regulation-in-stromal-cells
#3
Brian T Campfield, Taylor Eddens, Matthew Henkel, Martin Majewski, William Horne, Yury Chaly, Sarah L Gaffen, Raphael Hirsch, Jay K Kolls
Follistatin-like protein 1 (FSTL-1) possesses several newly identified roles in mammalian biology, including IL-17 driven inflammation, though the mechanism underlying FSTL-1 influence on IL-17 mediated cytokine production is unknown. Using parallel in vitro bone marrow stromal cell models of FSTL-1 suppression we employed unbiased microarray analysis to identify FSTL-1 regulated genes and pathways that could influence IL-17 dependent production of IL-6 and G-CSF. We discovered that FSTL-1 modulates Il17rc gene expression...
April 5, 2017: Immunology and Cell Biology
https://www.readbyqxmd.com/read/28375877/do-diabetes-and-obesity-affect-the-metabolic-response-to-exercise
#4
Peter Plomgaard, Cora Weigert
PURPOSE OF REVIEW: Exercise is recommended as therapeutic intervention for people at risk to develop type 2 diabetes to prevent or treat the disease. Recent studies on the influence of obesity and type 2 diabetes on the outcome of exercise programs are discussed. RECENT FINDINGS: Poor glycemic control before an intervention can be a risk factor of reduced therapeutic benefit from exercise. But the acute metabolic response to exercise and the transcriptional profile of the working muscle is similar in healthy controls and type 2 diabetic patients, including but not limited to intact activation of skeletal muscle AMP-activated kinase signaling, glucose uptake and expression of peroxisome proliferator-activated receptor gamma coactivator 1α...
April 3, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28364584/follistatin-during-pregnancy-and-its-potential-role-as-an-ovarian-suppressing-agent
#5
Angela Köninger, Börge Schmidt, Daniela Damaske, Cahit Birdir, Antje Enekwe, Rainer Kimmig, Thomas Strowitzki, Alexandra Gellhaus
OBJECTIVE: Ovarian quiescence is a common condition during pregnancy. In vitro, follistatin, an antagonist of follicle-stimulating hormone, blocks follicular development at early stages, and its serum levels increase during pregnancy. A possible surrogate biomarker of ovarian arrest during pregnancy is a decrease in anti-mullerian hormone (AMH) levels followed by an increase in these levels on the second day after labor. The purpose of this study was to determine whether follistatin could act as an ovarian-suppressing agent during pregnancy...
May 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28363632/regional-localization-of-activin-%C3%AE-a-activin-%C3%AE-c-follistatin-proliferation-and-apoptosis-in-adult-and-developing-mouse-prostate-ducts
#6
Elspeth Gold, Sylvia Zellhuber-McMillan, Gail Risbridger, Francesco Elia Marino
Activins and inhibins, members of the TGF-β superfamily, are growth and differentiation factors involved in the regulation of several biological processes, including reproduction, development, and fertility. Previous studies have shown that the activin-βA subunit plays a pivotal role in prostate development. Activin-A inhibits branching morphogenesis in the developing prostate, and its expression is associated with increased apoptosis in the adult prostate. Follistatin, a structurally unrelated protein to activins, is an antagonist of activin-A...
January 2017: Gene Expression Patterns: GEP
https://www.readbyqxmd.com/read/28361925/follistatin-like-1-protects-against-hypoxia-induced-pulmonary-hypertension-in-mice
#7
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/28358646/short-hairpin-mediated-myostatin-knockdown-resulted-in-altered-expression-of-myogenic-regulatory-factors-with-enhanced-myoblast-proliferation-in-fetal-myoblast-cells-of-goats
#8
Rohit Kumar, Satyendra Pal Singh, Abhijit Mitra
Myostatin (MSTN) is a well-known negative regulator of skeletal muscle development. Reduced expression due to natural mutations in the coding region and knockout as well as knockdown of MSTN results in an increase in the muscle mass. In the present study, we demonstrated as high as 60 and 52% downregulation (p < 0.01) of MSTN mRNA and protein in the primary fetal myoblast cells of goats using synthetic shRNAs (n = 3), without any interferon response. We, for the first time, evaluated the effect of MSTN knockdown on the expression of MRFs (namely, MyoD, Myf5), follistatin (FST), and IGFs (IGF-1 & IGF-2) in goat myoblast cells...
March 30, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/28341862/follistatin-like-1-aggravates-silica-induced-mouse-lung-injury
#9
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/28339962/fstl3-is-increased-in-renal-dysfunction
#10
Susan Kralisch, Annett Hoffmann, Nora Klöting, Anette Bachmann, Jürgen Kratzsch, Jens-Uwe Stolzenburg, Anja Dietel, Joachim Beige, Matthias Anders, Ingolf Bast, Matthias Blüher, Ming-Zhi Zhang, Raymond C Harris, Michael Stumvoll, Mathias Fasshauer, Thomas Ebert
Background.: Follistatin-like 3 (FSTL3) is a novel cytokine that regulates insulin sensitivity and counteracts activin/myostatin signalling. In the present study, regulation of FSTL3 in renal dysfunction was investigated in both human chronic kidney disease (CKD) and acute kidney dysfunction (AKD). Furthermore, mFSTL3 expression was analysed in insulin-sensitive tissues in a mouse model of CKD. Methods.: Circulating FSTL3 was quantified by enzyme-linked immunosorbent assay in 581 patients with CKD covering the whole spectrum of estimated glomerular filtration rate (eGFR) categories from G1 to G5...
March 3, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28336932/tmeff2-is-expressed-in-differentiating-oligodendrocytes-but-dispensable-for-their-differentiation-in-vivo
#11
Hao Huang, Peng Teng, Ruyi Mei, Aifen Yang, Zunyi Zhang, Xiaofeng Zhao, Mengsheng Qiu
Myelin elaborated by oligodendrocytes (OLs) in the central nervous system (CNS) is required for saltatory conduction of action potentials along neuronal axons. We found that TMEFF2, a transmembrane protein with EGF-like and two follistatin-like domains, is selectively expressed in differentiating/myelinating OLs. Previous studies showed that TMEFF2 is capable of binding to PDGFA, which plays important roles in the proliferation, migration and differentiation of oligodendrocyte progenitor cells (OPCs). However, molecular and genetic analysis revealed that Tmeff2 is a weak binder of PDGFA, and not required for OL differentiation and myelin gene expression in vivo...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28324027/follistatin-targets-distinct-pathways-to-promote-brown-adipocyte-characteristics-in-brown-and-white-adipose-tissues
#12
Rajan Singh, Melissa Braga, Srinivasa T Reddy, Se-Jin Lee, Meher Parveen, Victor Grijalva, Laurent Vergnes, Shehla Pervin
We previously demonstrated that Fst expression is highest in brown adipose tissue (BAT) and skeletal muscle, but is also present at substantial levels in epididymal (Epi) and subcutaneous (SC) white adipose tissues (WAT). Fst promotes mouse brown preadipocyte differentiation and promotes browning during differentiation of mouse embryonic fibroblasts (MEFs). Fst-transgenic (Fst-Tg) mouse show significant increase in circulating Fst levels and increased brown adipose mass. BAT of Fst-Tg mice had increased expression of brown adipose-associated markers including uncoupling protein 1 (UCP1), PRDM16, PGC-1α and Glut4...
January 16, 2017: Endocrinology
https://www.readbyqxmd.com/read/28302133/activin-b-is-a-novel-biomarker-for-chronic-fatigue-syndrome-myalgic-encephalomyelitis-cfs-me-diagnosis-a-cross-sectional-study
#13
Brett A Lidbury, Badia Kita, Donald P Lewis, Susan Hayward, Helen Ludlow, Mark P Hedger, David M de Kretser
BACKGROUND: Investigations of activin family proteins as serum biomarkers for chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME). CFS/ME is a disease with complex, wide-ranging symptoms, featuring persistent fatigue of 6 months or longer, particularly post exertion. No definitive biomarkers are available. METHODS: A cross-sectional, observational study of CFS/ME patients fulfilling the 2003 Canadian Consensus Criteria, in parallel with healthy non-fatigued controls, was conducted...
March 16, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28301516/follistatin-attenuates-radiation-induced-fibrosis-in-a-murine-model
#14
Helen B Forrester, David M de Kretser, Trevor Leong, Jim Hagekyriakou, Carl N Sprung
PURPOSE: Fibrosis can be a disabling, severe side effect of radiotherapy that can occur in patients, and for which there is currently no effective treatment. The activins, proteins which are members of the TGFβ superfamily, have a major role in stimulating the inflammatory response and subsequent fibrosis. Follistatin is an endogenous protein that binds the activins virtually irreversibly and inhibits their actions. These studies test if follistatin can attenuate the fibrotic response using a murine model of radiation-induced fibrosis...
2017: PloS One
https://www.readbyqxmd.com/read/28300163/in-vitro-drug-testing-based-on-contractile-activity-of-c2c12-cells-in-an-epigenetic-drug-model
#15
Kazushi Ikeda, Akira Ito, Ryusuke Imada, Masanori Sato, Yoshinori Kawabe, Masamichi Kamihira
Skeletal muscle tissue engineering holds great promise for pharmacological studies. Herein, we demonstrated an in vitro drug testing system using tissue-engineered skeletal muscle constructs. In response to epigenetic drugs, myotube differentiation of C2C12 myoblast cells was promoted in two-dimensional cell cultures, but the levels of contractile force generation of tissue-engineered skeletal muscle constructs prepared by three-dimensional cell cultures were not correlated with the levels of myotube differentiation in two-dimensional cell cultures...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28285737/lung-injury-induced-by-bisphenol-a-a-food-contaminant-is-ameliorated-by-selenium-supplementation
#16
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/28279643/follistatin-gene-therapy-for-sporadic-inclusion-body-myositis-improves-functional-outcomes
#17
Jerry R Mendell, Zarife Sahenk, Samiah Al-Zaidy, Louise R Rodino-Klapac, Linda P Lowes, Lindsay N Alfano, Katherine Berry, Natalie Miller, Mehmet Yalvac, Igor Dvorchik, Melissa Moore-Clingenpeel, Kevin M Flanigan, Kathleen Church, Kim Shontz, Choumpree Curry, Sarah Lewis, Markus McColly, Mark J Hogan, Brian K Kaspar
Sporadic inclusion body myositis, a variant of inflammatory myopathy, has features distinct from polymyositis/dermatomyositis. The disease affects men more than women, most commonly after age 50. Clinical features include weakness of the quadriceps, finger flexors, ankle dorsiflexors, and dysphagia. The distribution of weakness is similar to Becker muscular dystrophy, where we previously reported improvement following intramuscular injection of an isoform of follistatin (FS344) by AAV1. For this clinical trial, rAAV1...
April 5, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28277126/alteration-in-follistatin-gene-expression-detected-in-prenatally-androgenized-rats
#18
Marziyeh Salehi Jahromi, Fahimeh Ramezani Tehrani, Jennifer W Hill, Mahsa Noroozzadeh, Maryam Zarkesh, Asghar Ghasemi, Azita Zadeh-Vakili
Impaired ovarian follicle development, the hallmark of polycystic ovarian syndrome (PCOS), is believed to be due to the changes in expression of related genes such as follistatin (FST). Expression of FST gene and methylation level of its promoter in theca cells from adult female rats, prenatally exposed to androgen excess, during different phases of the estrus cycle was determined and compared with controls. Eight pregnant Wistar rats (experimental group) were treated by subcutaneous injection of 5 mg free testosterone on day 20 of pregnancy, while controls (n = 8) received 500 ml solvent...
February 26, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28264603/cardiac-failure-detection-in-30%C3%A2-minutes-new-approach-based-on-gold-nanoparticles
#19
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/28229385/early-pregnancy-biochemical-predictors-of-gestational-diabetes-mellitus
#20
REVIEW
Camille E Powe
PURPOSE OF REVIEW: Universal oral glucose tolerance-based screening is employed to identify pregnant women with gestational diabetes mellitus (GDM), as treatment of this condition decreases the risk of associated complications. A simple and accurate blood test which identifies women at low or high risk for GDM in the first trimester would have the potential to decrease costs and improve outcomes through prevention or treatment. This review summarizes published data on early pregnancy biomarkers which have been tested as predictors of GDM...
February 2017: Current Diabetes Reports
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