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Follistatin

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https://www.readbyqxmd.com/read/28627741/proteomics-approach-to-identify-novel-metastatic-bone-markers-from-the-secretome-of-pc-3-prostate-cancer-cells
#1
EunJi Sung, Oh Kwang Kwon, Jae-Mok Lee, Sangkyu Lee
Prostate cancer is the leading type of cancer diagnosed, and the most frequent cause of worldwide male cancer-related deaths annually. The limitations of current prostate cancer screening tests demand the identification of novel biomarkers for the early diagnosis of prostate cancer bone metastasis. In the present study, we performed a proteomic analysis of secreted proteins from the prostate cancer bone metastasis cell line, PC-3, and the normal prostate cell line, RWPE-1. We thus quantified 917 proteins, of which 68 were found to be secreted at higher levels by PC-3 than by RWPE-1 cells via LC-MS/MS...
June 19, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28620643/activin-biology-after-lung-transplantation
#2
Glen P Westall, Gregory I Snell, Monika Loskot, Bronwyn Levvey, Robyn O'Hehir, Mark P Hedger, David M de Kretser
BACKGROUND: Activins A and B, members of the TGF-β superfamily, are produced as part of the physiological response to tissue damage and the resulting proinflammatory response. Given that lung allograft reperfusion results in an inflammatory response, it is likely that the activins and their binding protein follistatin will form part of the regulatory response. There is a need to document the response of these proteins to allograft reperfusion to determine if there is a role for the use of follistatin to control the biological actions of the activins because some of these are potentially damaging...
June 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28609834/getting-the-skinny-on-follistatin-and-fat
#3
Jai-Xu Li, Carolyn L Cummins
No abstract text is available yet for this article.
April 29, 2017: Endocrinology
https://www.readbyqxmd.com/read/28583174/follistatin-is-a-metastasis-suppressor-in-a-mouse-model-of-her2-positive-breast-cancer
#4
Darcie D Seachrist, Steven T Sizemore, Emhonta Johnson, Fadi W Abdul-Karim, Kristen L Weber Bonk, Ruth A Keri
BACKGROUND: Follistatin (FST) is an intrinsic inhibitor of activin, a member of the transforming growth factor-β superfamily of ligands. The prognostic value of FST and its family members, the follistatin-like (FSTL) proteins, have been studied in various cancers. However, these studies, as well as limited functional analyses of the FSTL proteins, have yielded conflicting results on the role of these proteins in disease progression. Furthermore, very few have been focused on FST itself...
June 5, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28576120/expression-of-genes-associated-with-bmp-signaling-pathway-in-porcine-oocytes-before-and-after-ivm-a-microarray-approach
#5
Joanna Budna, Marta Rybska, Sylwia Ciesiółka, Artur Bryja, Sylwia Borys, Wiesława Kranc, Katarzyna Wojtanowicz-Markiewicz, Michal Jeseta, Ewa Sumelka, Dorota Bukowska, Paweł Antosik, Klaus P Brüssow, Małgorzata Bruska, Michał Nowicki, Maciej Zabel, Bartosz Kempisty
BACKGROUND: The full maturational capability of mammalian oocytes is accompanied by nuclear and cytoplasmic modifications, which are associated with proliferation and differentiation of surrounding cumulus cells. These events are regulated on molecular level by the expression of target genes involved in signal transduction pathways crucial for folliculogenesis and oogenesis. Transforming growth factor beta signaling includes several molecules that are involved in the regulation of oogenesis and embryo growth, including bone morphogenetic protein (BMP)...
June 2, 2017: Reproductive Biology and Endocrinology: RB&E
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
#6
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/28559995/cryptotanshinone-reverses-reproductive-disturbances-in-rats-with-dehydroepiandrosterone-induced-polycystic-ovary-syndrome
#7
Yanqiu Xia, Pei Zhao, Hongli Huang, Yuan Xie, Rong Lu, Li Dong
Polycystic ovarian syndrome (PCOS), with a prevalence of 5-8%, is the most common endocrine disorder in women of reproductive age. Although cryptotanshinone (CRY) has been shown to effectively reverse reproductive disturbances, it remains poorly understood whether it can be used to treat PCOS. Here we used an established rat model of PCOS. Prepubertal female Sprague-Dawley rats were subcutaneously injected with dehydroepiandrosterone (DHEA) 60 mg/kg/day for 3 weeks. Those in the DHEA group were given normal saline, while the CRY group was given 27 mg/kg by gastrogavage for 3 weeks...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28559342/follistatin-is-critical-for-mouse-uterine-receptivity-and-decidualization
#8
Paul T Fullerton, Diana Monsivais, Ramakrishna Kommagani, Martin M Matzuk
Embryo implantation remains a significant challenge for assisted reproductive technology, with implantation failure occurring in ∼50% of in vitro fertilization attempts. Understanding the molecular mechanisms underlying uterine receptivity will enable the development of new interventions and biomarkers. TGFβ family signaling in the uterus is critical for establishing and maintaining pregnancy. Follistatin (FST) regulates TGFβ family signaling by selectively binding TGFβ family ligands and sequestering them...
May 30, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28508553/a-targeted-proteomic-assay-for-the-measurement-of-plasma-proteoforms-related-to-human-aging-phenotypes
#9
Richard D Semba, Pingbo Zhang, Min Zhu, Elisa Fabbri, Marta Gonzalez-Freire, Ruin Moaddel, Minghui Geng-Spyropoulos, Luigi Ferrucci
Circulating polypeptides and proteins have been implicated in reversing or accelerating aging phenotypes, including growth/differentiation factor 8 (GDF8), GDF11, eotaxin, and oxytocin. These proteoforms, which are defined as the protein products arising from a single gene due to alternative splicing and post-translational modifications, have been challenging to study. Both GDF8 and GDF11 have known antagonists such as follistatin (FST), and WAP, Kazal, immunoglobulin, Kunitz and NTR domain-containing proteins 1 and 2 (WFIKKN1, WFIKKN2)...
May 16, 2017: Proteomics
https://www.readbyqxmd.com/read/28500669/anti-m%C3%A3-llerian-hormone-signaling-is-influenced-by-follistatin-288-but-not-14-other-transforming-growth-factor-beta-superfamily-regulators
#10
Yui Kawagishi, Michael W Pankhurst, Yoshio Nakatani, Ian S McLennan
The hypothesis that, in contrast to other transforming growth factor-beta (TGFβ) superfamily ligands, the dose-response curve of Anti-Müllerian hormone (AMH) is unmodulated was tested by examining whether known TGFB superfamily modulators affect AMH signaling, using a P19/BRE luciferase reporter assay. AMHC and AMHN,C activated the reporter with an EC50 of approximately 0.5 nM. Follistatins (FS) produced concentration-dependent increases in AMHC - and AMHN,C -initiated reporter activity, with FS288 being more potent than FS315; however, the maximum bioactivity of AMH was not altered by either follistatin...
May 13, 2017: Molecular Reproduction and Development
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
#11
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
#12
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/28489857/vitamin-d-supplementation-lowers-thrombospondin-1-levels-and-blood-pressure-in-healthy-adults
#13
Anjalee T Amarasekera, Bahador Assadi-Khansari, Saifei Liu, Marilyn Black, Greer Dymmott, Natasha M Rogers, Aaron L Sverdlov, John D Horowitz, Doan T M Ngo
INTRODUCTION: Vitamin D insufficiency, defined as 25-hydroxyvitamin D (25(OH)D) levels < 75nmol/L is associated with cardio-metabolic dysfunction. Vitamin D insufficiency is associated with inflammation and fibrosis, but it remains uncertain whether these anomalies are readily reversible. Therefore, we aimed to determine the effects of vitamin D supplementation on markers of: 1) nitric oxide (NO) signaling, 2) inflammation, and 3) fibrosis, in healthy volunteers with mild hypovitaminosis...
2017: PloS One
https://www.readbyqxmd.com/read/28487134/effect-of-vitrification-on-the-zona-pellucida-hardening-and-follistatin-and-cathepsin-b-genes-expression-and-developmental-competence-of-in%C3%A2-vitro-matured-bovine-oocytes
#14
Teresa Wiesak, Marta Wasielak, Aleksandra Złotkowska, Robert Milewski
The purpose of our study was to assess the effect of vitrification with or without the presence of calcium in the vitrification solution on the: 1) diameter of oocytes and thickness of the zona pellucida, 2) zona pellucida hardening, 3) expression of mRNA follistatin (FST) and cathepsin B (CTSB) in oocytes and 4) developmental competence of embryos derived from in vitro matured and vitrified oocytes. The results of our study demonstrate, that vitrification did not alter thickness of the zona pellucida and diameter of the oocytes, however it triggered hardening of the zona pellucida...
May 6, 2017: Cryobiology
https://www.readbyqxmd.com/read/28473327/autophagy-plays-a-role-in-fstl1-induced-emt-and-airway-remodeling-in-asthma
#15
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/28471505/role-of-follistatin-in-muscle-and-bone-alterations-induced-by-gravity-change-in-mice
#16
Naoyuki Kawao, Hironobu Morita, Koji Obata, Kohei Tatsumi, Hiroshi Kaji
Interactions between muscle and bone have been recently noted. We reported that the vestibular system plays crucial roles in the changes in muscle and bone induced by hypergravity in mice. However, the details of the mechanisms by which gravity change affects muscle and bone through the vestibular system still remain unknown. Here, we investigated the roles of humoral factors linking muscle to bone and myostatin-related factors in the hypergravity-induced changes in muscle and bone in mice with vestibular lesions (VL)...
May 4, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28458972/follistatin-and-the-breast-implant-capsule
#17
Brett A Frenkiel, Peter Temple-Smith, David de Kretser, Graeme J Southwick
BACKGROUND: Breast capsular contracture remains an elusive problem faced by plastic surgeons and is the leading long-term complication after breast implantation. Follistatin (Fst) is a protein with known anti-inflammatory and antifibrotic properties and has the potential to limit the severity of diseases associated with inflammation and fibrosis such as capsular contracture. The aim of this study was to examine the effect of Fst288 on capsular fibrosis around silicone implants in a mouse model...
March 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28452590/habitual-physical-activity-protects-against-lipopolysaccharide-induced-inflammation-in-mouse-adipose-tissue
#18
Willem T Peppler, Zachary G Anderson, Laura M MacRae, Rebecca E K MacPherson, David C Wright
Sepsis is a systemic inflammatory response to infection, with no preventative strategies. In this study, we identify a role for habitual physical activity in the prevention of adipose tissue inflammation induced by a model of sepsis, lipopolysaccharide (LPS). Male C57BL/6J mice (8 weeks old) were housed with access to voluntary wheel running (VWR) or sedentary (SED) for 10 weeks. Mice were then injected with LPS (2 mg/kg) or saline (SAL), and tissues were removed 6 hours post-injection. VWR attenuated body, epididymal adipose tissue (eWAT), and subcutaneous inguinal adipose tissue (iWAT) mass gain, improved glucose tolerance, increased markers of mitochondrial biogenesis in iWAT and eWAT, and increased UCP-1 protein content in iWAT...
January 2, 2017: Adipocyte
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
#19
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/28384189/polymorphisms-of-fst-gene-and-their-association-with-wool-quality-traits-in-chinese-merino-sheep
#20
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
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