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Follistatin

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https://www.readbyqxmd.com/read/27925206/opposite-effects-of-mechanical-action-of-fluid-flow-on-proangiogenic-factor-secretion-from-human-adipose-derived-stem-cells-with-and-without-oxidative-stress
#1
Beatriz Bravo, Cira García de Durango, Álvaro González, Arancha R Gortázar, Xavier Santos, Jerónimo Forteza-Vila, Fernando Vidal-Vanaclocha
Mechanical forces, hypoxia and oxidative stress contribute to skin renewal, perfusion and wound healing, but how are they regulating subcutaneous adipose-derived stem cells (ASCs) in the inflammatory microenvironment associated to skin repair and disorders is unknown. In this study, ASCs were isolated from lipoaspirate samples from plastic surgery patients, primary cultured and their differentiation and secretion of a panel of cytokines with pronounced effects on skin repair and angiogenesis were studied under mechanical stimulation by intermittent fluid flow, 1% hypoxia and oxidative stress by glutathione (GSH) depletion with buthionine sulfoximine (BSO) treatment...
December 7, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27913976/follistatin-like-protein-1-suppressed-pro-inflammatory-cytokines-expression-during-neuroinflammation-induced-by-lipopolysaccharide
#2
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...
December 2, 2016: Journal of Molecular Histology
https://www.readbyqxmd.com/read/27881396/involvement-of-infiltrating-macrophage-derived-activin-a-in-the-progression-of-renal-damage-in-mrl-lpr-mice
#3
Anastasie Thilela Kadiombo, Akito Maeshima, Ken Kayakabe, Hidekazu Ikeuchi, Toru Sakairi, Yoriaki Kaneko, Keiju Hiromura, Yoshihisa Nojima
Lupus nephritis is a life-threatening complication of systemic lupus erythematosus (SLE). Various growth factors, cytokines, and chemokines are implicated in the development of SLE. However, the pathophysiological processes involved in the development of lupus nephritis still remain unclear. In this study, we examined the involvement of activin A, a member of TGF-β superfamily, in the progression of renal damage in lupus-prone MRL-lpr mice. Activin A was was not expressed in the kidneys of normal C57BL/6 mice but was detectable in perivascular infiltrating CD68-positive cells in the kidneys of MRL-lpr mice...
November 23, 2016: American Journal of Physiology. Renal Physiology
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
#4
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...
November 16, 2016: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/27835986/activins-and-their-related-proteins-in-colon-carcinogenesis-insights-from-early-and-advanced-azoxymethane-rat-models-of-colon-cancer
#5
Bassem Refaat, Adel Galal El-Shemi, Amr Mohamed Mohamed, Osama Adnan Kensara, Jawwad Ahmad, Shakir Idris
BACKGROUND: Activin-A may exert pro- or anti-tumorigenic activities depending on cellular context. However, little is known about its role, or the other mature activin proteins, in colorectal carcinoma (CRC). This study measured the expression of activin βA- & βB-subunits, activin type IIA & IIB receptors, smads 2/3/4/6/7 and follistatin in CRC induced by azoxymethane (AOM) in rats. The results were compared with controls and disseminated according to the characteristics of histopathological lesions...
November 11, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27830278/molecular-communication-from-skeletal-muscle-to-bone-a-review-for-muscle-derived-myokines-regulating-bone-metabolism
#6
REVIEW
Baosheng Guo, Zong-Kang Zhang, Chao Liang, Jie Li, Jin Liu, Aiping Lu, Bao-Ting Zhang, Ge Zhang
Besides the mechanical loading-dependent paradigm, skeletal muscle also serves as an endocrine organ capable of secreting cytokines to modulate bone metabolism. In this review, we focused on reviewing the myokines involved in communication from skeletal muscle to bone, i.e. (1) myostatin and myostatin-binding proteins including follistatin and decorin, (2) interleukins including interleukin-6 (IL-6), interleukin-7 (IL-7) and interleukin-15 (IL-15), (3) insulin-like growth factor 1 (IGF-1) and its binding proteins, (4) other myokines including PGC-1α-irisin system and osteoglycin (OGN)...
November 9, 2016: Calcified Tissue International
https://www.readbyqxmd.com/read/27830181/the-role-of-activin-a-and-b-and-the-benefit-of-follistatin-treatment-in-renal-ischemia-reperfusion-injury-in-mice
#7
Doreen Y P Fang, Bo Lu, Susan Hayward, David M de Kretser, Peter J Cowan, Karen M Dwyer
BACKGROUND: Activins, members of the TGF-β superfamily, are key drivers of inflammation and are thought to play a significant role in ischemia-reperfusion injury (IRI), a process inherent to renal transplantation that negatively impacts early and late allograft function. Follistatin (FS) is a protein that binds activin and inhibits its activity. This study examined the response of activin A and B in mice after renal IRI and the effect of exogenous FS in modulating the severity of renal injury...
July 2016: Transplantation Direct
https://www.readbyqxmd.com/read/27807906/activin-a-and-follistatin-in-patients-with-asthma-does-severity-make-the-difference
#8
Anastasia Papaporfyriou, Petros Bakakos, Konstantinos Kostikas, Georgios Papatheodorou, Georgios Hillas, Rodoula Trigidou, Patroklos Katafigiotis, Nikolaos G Koulouris, Spyros A Papiris, Stelios Loukides
BACKGROUND AND OBJECTIVE: Activin A is a pleiotropic cytokine holding a fundamental role in inflammation and tissue remodelling. Follistatin can modulate the bioactivity of activin. We aimed to measure activin A and follistatin in sputum supernatants and bronchoalveolar lavage (BAL) of asthmatic patients and to determine the possible associations with severity as well as with inflammatory and remodelling indices. METHODS: A total of 58 asthmatic patients (33 with severe refractory asthma (SRA)) and 10 healthy controls underwent sputum induction for % cells, activin A, follistatin, eosinophilic cationic protein (ECP), transforming growth factor beta 1 (TGF-β1), IL-13 and IL-8 measurements...
November 2, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27807065/clinical-and-therapeutic-implications-of-follistatin-in-solid-tumours
#9
REVIEW
Lei Shi, Jeyna Resaul, Sioned Owen, Lin Ye, Wen G Jiang
Follistatin (FST), as a single-chain glycosylated protein, has two major isoforms, FST288 and FST315. The FST315 isoform is the predominant form whilst the FST288 variant accounts for less than 5% of the encoded mRNA. FST is differentially expressed in human tissues and aberrant expression has been observed in a variety of solid tumours, including gonadal, gastric and lung cancer, hepatocellular carcinoma, basal cell carcinoma and melanoma. Based on the current evidence, FST is an antagonist of transforming growth factor beta family members, such as activin and bone morphogenetic proteins (BMPs)...
November 2016: Cancer Genomics & Proteomics
https://www.readbyqxmd.com/read/27799472/empower-multiplex-cell-and-tissue-specific-crispr-mediated-gene-manipulation-with-self-cleaving-ribozymes-and-trna
#10
Li Xu, Lixia Zhao, Yandi Gao, Jing Xu, Renzhi Han
Clustered regularly interspaced short palindromic repeat/Cas9 (CRISPR/Cas9) system has emerged in recent years as a highly efficient RNA-guided gene manipulation platform. Simultaneous editing or transcriptional activation/suppression of different genes becomes feasible with the co-delivery of multiple guide RNAs (gRNAs). Here, we report that multiple gRNAs linked with self-cleaving ribozymes and/or tRNA could be simultaneously expressed from a single U6 promoter to exert genome editing of dystrophin and myosin binding protein C3 in human and mouse cells...
October 30, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27799384/severe-asthma-exists-despite-suppressed-tissue-inflammation-findings-of-the-u-biopred-study
#11
Susan J Wilson, Jonathan A Ward, Ana R Sousa, Julie Corfield, Aruna T Bansal, Bertrand De Meulder, Diane Lefaudeux, Charles Auffray, Matthew J Loza, Frederic Baribaud, Neil Fitch, Peter J Sterk, Kian Fan Chung, David Gibeon, Kai Sun, Yi-Ke Guo, Ian Adcock, Ratko Djukanovic, Barbro Dahlen, Pascal Chanez, Dominick Shaw, Norbert Krug, Jens Hohlfeld, Thomas Sandström, Peter H Howarth
The U-BIOPRED study is a multicentre European study aimed at a better understanding of severe asthma. It included three steroid-treated adult asthma groups (severe nonsmokers (SAn group), severe current/ex-smokers (SAs/ex group) and those with mild-moderate disease (MMA group)) and healthy controls (HC group). The aim of this cross-sectional, bronchoscopy substudy was to compare bronchial immunopathology between these groups.In 158 participants, bronchial biopsies and bronchial epithelial brushings were collected for immunopathologic and transcriptomic analysis...
November 2016: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/27787957/epiprofin-regulates-enamel-formation-and-tooth-morphogenesis-by-controlling-epithelial-mesenchymal-interactions-during-tooth-development
#12
Takashi Nakamura, Lucia Jimenez-Rojo, Eiki Koyama, Maurizio Pacifici, Susana de Vega, Masahiro Iwamoto, Satoshi Fukumoto, Fernando Unda, Yoshihiko Yamada
The synchronization of cell proliferation and cytodifferentiation between dental epithelial and mesenchymal cells is required for the morphogenesis of teeth with the correct functional shapes and optimum sizes. Epiprofin (Epfn), a transcription factor belonging to the Sp family, regulates dental epithelial cell proliferation and is essential for ameloblast and odontoblast differentiation. Epfn deficiency results in the lack of enamel and ironically the formation of extra teeth. We investigated the mechanism underlying the functions of Epfn in tooth development through the creation of transgenic mice expressing Epfn under the control of an epithelial cell-specific K5 promoter, (K5-Epfn)...
October 27, 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/27787698/the-transgenic-expression-of-human-follistatin-344-increases-skeletal-muscle-mass-in-pigs
#13
Fei Chang, Rui Fang, Meng Wang, Xin Zhao, Wen Chang, Zaihu Zhang, Ning Li, Qingyong Meng
Follistatin (FST), which was first found in the follicles of cattle and pigs, has been shown to be an essential regulator for muscle development. Mice that were genetically engineered to overexpress Fst specifically in muscle had at least twice the amount of skeletal muscle mass as controls; these findings are similar to earlier results obtained in myostatin-knockout mice. However, the role of follistatin in skeletal muscle development has yet to be clarified in livestock. Here, we describe transgenic Duroc pigs that exogenously express Fst specifically in muscle tissue...
October 27, 2016: Transgenic Research
https://www.readbyqxmd.com/read/27761376/reproductive-hormones-in-breast-cancer-bone-metastasis-the-role-of-inhibins
#14
Caroline Wilson
The spread of breast cancer cells to bone and survival in this new metastatic environment is influenced not only by the genetic signature of the cells, but also multiple host cells and soluble factors produced locally (paracrine) or from distant sites (endocrine). Disrupting this metastatic process has been evaluated in clinical trials of the bone targeted agents bisphosphonates and denosumab and have shown that these agents reduce the recurrence of breast cancer in postmenopausal women only, suggesting the efficacy of the drugs are influenced by levels of reproductive endocrine hormones...
September 2016: Journal of Bone Oncology
https://www.readbyqxmd.com/read/27752361/immune-modulating-effects-of-bevacizumab-in-metastatic-non-small-cell-lung-cancer-patients
#15
E C Martino, G Misso, P Pastina, S Costantini, F Vanni, C Gandolfo, C Botta, F Capone, A Lombardi, L Pirtoli, P Tassone, C Ulivieri, P Tagliaferri, M G Cusi, M Caraglia, P Correale
The mPEBev is an anticancer regimen which combines a chemotherapy doublet, based on cisplatin and oral etoposide (mPE), with bevacizumab (mPEBev), a mAb targeting the vasculo-endothelial growth factor (VEGF). In previous studies, this regimen showed powerful anti-angiogenetic effects and significant antitumor activity in metastatic non-small-cell lung cancer (mNSCLC) patients. We also recorded the best benefit in patients exhibiting low-systemic inflammatory profile at baseline. On these bases, we hypothesized that mPEBev antitumor activity could be partially related to bevacizumab-associated immunological effects...
2016: Cell Death Discovery
https://www.readbyqxmd.com/read/27651778/mirna-targeted-signaling-pathway-in-the-early-stage-of-denervated-fast-and-slow-muscle-atrophy
#16
Gang Li, Qing-Shan Li, Wen-Bin Li, Jian Wei, Wen-Kai Chang, Zhi Chen, Hu-Yun Qiao, Ying-Wei Jia, Jiang-Hua Tian, Bing-Sheng Liang
Denervation often results in skeletal muscle atrophy. Different mechanisms seem to be involved in the determination between denervated slow and fast skeletal muscle atrophy. At the epigenetic level, miRNAs are thought to be highly involved in the pathophysiological progress of denervated muscles. We used miRNA microarrays to determine miRNA expression profiles from a typical slow muscle (soleus muscle) and a typical fast muscle (tibialis anterior muscle) at an early denervation stage in a rat model. Results showed that miR-206, miR-195, miR-23a, and miR-30e might be key factors in the transformation process from slow to fast muscle in denervated slow muscles...
August 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27642098/ramipril-attenuates-left-ventricular-remodeling-by-regulating-the-expression-of-activin-a-follistatin-in-a-rat-model-of-heart-failure
#17
Qun Wei, Haiyan Liu, Miao Liu, Chunyan Yang, Jie Yang, Zhonghui Liu, Ping Yang
Prior studies have shown that overexpression of ACT A can lead to ventricular remodeling in rat models of heart failure. Furthermore, recently work studying demonstrated that stimulation of activin An expression in rat aortic smooth muscle (RASM) cells by angiotensin II (Ang II). Ramipril is a recently developed angiotensin converting enzyme (ACE) inhibitor. To investigate the effects of Ramipril on expression of ACT A-FS, we established the rat model of heart failure after myocardial infarction (MI), and divided into either a sham operation (SO), MI, or MI-Ramipril group...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27638177/structural-biology-and-evolution-of-the-tgf-%C3%AE-family
#18
REVIEW
Andrew P Hinck, Thomas D Mueller, Timothy A Springer
We review the evolution and structure of members of the transforming growth factor β (TGF-β) family, antagonistic or agonistic modulators, and receptors that regulate TGF-β signaling in extracellular environments. The growth factor (GF) domain common to all family members and many of their antagonists evolved from a common cystine knot growth factor (CKGF) domain. The CKGF superfamily comprises six distinct families in primitive metazoans, including the TGF-β and Dan families. Compared with Wnt/Frizzled and Notch/Delta families that also specify body axes, cell fate, tissues, and other families that contain CKGF domains that evolved in parallel, the TGF-β family was the most fruitful in evolution...
December 1, 2016: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/27636861/clinical-impact-of-cystatin-c-cathepsin-l-and-follistatin-activin-a-systems-in-breast-cancer-progression-a-preliminary-report
#19
Gaetano Leto, Lorena Incorvaia, Carla Flandina, Chiara Ancona, Fabio Fulfaro, Marilena Crescimanno, Maria Vittoria Sepporta, Giuseppe Badalamenti
This study was directed to assess the clinical impact of the circulating cathepsin L, cystatin C, activin A, and follistatin in breast cancer patients. The serum concentrations of these molecules were determined by immunoenzymatic assays, and their association with some clinico-pathological parameters of breast cancer progression was evaluated. Our results identified cystatin C and activin A as predictive markers for the presence of breast cancer and bone metastasis, respectively. Therefore, these proteins may have a clinical role as circulating biomarkers in the diagnosis and therapeutic monitoring of breast cancer patients...
October 20, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27623975/can-first-trimester-maternal-serum-follistatin-like-3-levels-predict-the-development-of-gestational-diabetes-mellitus
#20
Ayse Yasemin Karageyim Karsidag, Yunus Emre Purut, Esra Esim Buyukbayrak, Asuman Orçun, Mehmet Menke
PURPOSE: To determine whether the first trimester maternal serum levels of follistatin like 3 (FSTL3) are altered in patients who develop gestational diabetes mellitus (GDM). METHODS: This is a prospective nested case-control study that included 170 singleton pregnant women recruited in their first trimester. All women were followed up until the delivery and 144 of them completed the study. The maternal serum levels of FSTL3 were measured at 11-14 weeks of gestation...
September 14, 2016: Journal of Maternal-fetal & Neonatal Medicine
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