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https://www.readbyqxmd.com/read/29032608/microrna-profiling-reveals-dysregulated-micrornas-and-their-target-gene-regulatory-networks-in-cemento-ossifying-fibroma
#1
Thaís Dos Santos Fontes Pereira, João Artur Ricieri Brito, André Luiz Sena Guimarães, Carolina Cavaliéri Gomes, Júlio Cesar Tanos de Lacerda, Wagner Henriques de Castro, Roney Santos Coimbra, Marina Gonçalves Diniz, Ricardo Santiago Gomez
BACKGROUND: Cemento-ossifying fibroma (COF) is a benign fibro-osseous neoplasm of uncertain pathogenesis and its treatment results morbidity. MicroRNAs (miRNA) are small non-coding RNAs that regulate gene expression and may represent therapeutic targets. The purpose of the study was to generate a comprehensive miRNA profile of COF compared to normal bone. Additionally, the most relevant pathways and target genes of differentially expressed miRNA were investigated by in silico analysis...
October 15, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/29029511/mesenchymal-stromal-cells-promote-b-cell-lymphoma-in-lacrimal-glands-by-inducing-immunosuppressive-microenvironment
#2
Min Joung Lee, Se Yeon Park, Jung Hwa Ko, Hyun Ju Lee, Jin Suk Ryu, Jong Woo Park, Sang In Khwarg, Sun-Ok Yoon, Joo Youn Oh
Mesenchymal stromal cells (MSCs) have therapeutic potential for various diseases because of their anti-inflammatory and immunosuppressive properties. However, the immunosuppressive microenvironment allows tumor cells to evade immune surveillance, whereas maintenance of inflammation is required for tumor development and progression. Hence, MSCs may promote or suppress tumors in a context-dependent manner. We here investigated the effects of bone marrow-derived MSCs in a murine model of lacrimal gland B-cell lymphoma...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29020616/the-emerging-role-of-follistatin-under-stresses-and-its-implications-in-diseases
#3
REVIEW
Lingda Zhang, Kangli Liu, Bing Han, Zhengping Xu, Xiangwei Gao
Follistatin (FST), a single-chain glycosylated protein, is expressed in various tissues. The essential biological function of FST is binding and neutralizing transforming growth factor β (TGF-β) superfamily, including activin, myostatin, and bone morphogenetic protein (BMP). Emerging evidence indicates that FST also serves as a stress responsive protein, which plays a protective role under a variety of stresses. In most cases, FST performs the protective function through its neutralization of TGF-β superfamily...
October 8, 2017: Gene
https://www.readbyqxmd.com/read/28990107/estradiol%C3%A2-enhanced-osteogenesis-of-rat-bone-marrow-stromal-cells-is-associated-with-the-jnk-pathway
#4
Nan Song, Zhi-Min Wang, Li-Juan He, Yan Xu, Yan-Ling Ren
Bone marrow stromal cells (BMSCs) can differentiate into osteoblasts. The present study investigated the osteogenic effects of estradiol, as well as the role of the c‑Jun N‑terminal kinase (JNK) signaling pathway in promoting estradiol‑enhanced osteogenesis of rat (r)BMSCs. rBMSCs were treated for 7 days with or without estradiol and further treated with or without the JNK‑specific inhibitor SP600125. The role of estrogen during rBMSC osteogenesis was evaluated by alkaline phosphatase activity and mineralized nodule formation using the Gomori method and Alizarin red S staining, respectively...
October 3, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28990102/role-of-artesunate-in-tgf%C3%A2-%C3%AE-1%C3%A2-induced-renal-tubular-epithelial%C3%A2-mesenchymal-transdifferentiation-in-nrk%C3%A2-52e-cells
#5
Yaqian Zhang, Huanhuan Li, Jiajun Zhu, Tiantian Wei, Yingxian Peng, Ran Li, Rui Xu, Mei Li, Anzhou Xia
The implications of epithelial‑mesenchymal transdifferentiation (EMT) have extended beyond the confines of renal fibrosis to renal tubulointerstitial fibrosis. It has been proposed that EMT may be one of the mechanisms involved in the pathogenesis of renal fibrosis. However, the underlying mechanisms remain unknown. Transforming growth factor (TGF)‑β1 is considered to be an important cytokine which regulates the transdifferentiation of tubular epithelial cells into myofibroblasts in renal tubulointerstitial fibrosis...
October 5, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28984049/mir-422a-suppresses-smad4-protein-expression-and-promotes-resistance-to-muscle-loss
#6
Richard Paul, Jen Lee, Anna V Donaldson, Martin Connolly, Mohammad Sharif, Samantha Amanda Natanek, Ulrich Rosendahl, Michael I Polkey, Mark Griffiths, Paul R Kemp
BACKGROUND: Loss of muscle mass and strength are important sequelae of chronic disease, but the response of individuals is remarkably variable, suggesting important genetic and epigenetic modulators of muscle homeostasis. Such factors are likely to modify the activity of pathways that regulate wasting, but to date, few such factors have been identified. METHODS: The effect of miR-422a on SMAD4 expression and transforming growth factor (TGF)-β signalling were determined by western blotting and luciferase assay...
October 6, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28981962/the-bmp-antagonist-noggin-is-produced-by-osteoblasts-in-response-to-the-presence-of-prostate-cancer-cells
#7
Huda F AlShaibi, Farid Ahmed, Clive Buckle, Ann Cm Fowles, Jalaluddin Awlia, Marco G Cecchini, Colby L Eaton
BACKGROUND: Bone metastasis is a key event responsible for morbidity in prostate cancer patients. Interactions between prostate cancer cells and the bone microenvironment facilitate survival of tumour cells and alter bone turnover, a process that is thought to enhance the growth of metastases in this site. This study aimed to test the hypothesis that the presence of tumours cells increases TGFβ signaling in bone and that this regulates the proliferation and differentiation of osteoblastic lineage cells in metastatic sites...
October 5, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28980123/comparison-study-of-bone-defect-healing-effect-of-raw-and-processed-pyritum-in-rats
#8
Xingyu Zhu, Qianqian Gao, Genhua Zhao, Heng Wang, Ling Liu, Zhipeng Chen, Yijun Chen, Li Wu, Zisheng Xu, Weidong Li
To evaluate and compare the effect of raw and processed pyritum on tibial defect healing, 32 male Sprague Dawley rats were randomly divided into four groups. After tibial defect, animals were produced and grouped: sham and control group were orally administrated with distilled water (1 mL/100 g), while treatment groups were given aqueous extracts of raw and processed pyritum (1.5 g/kg) for successive 42 days. Radiographic examination showed that bone defect healing effect of the treatment groups was obviously superior compared to that of the control group...
October 4, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28979694/polyene-phosphatidylcholine-inhibited-the-inflammatory-response-in-lps-stimulated-macrophages-and-ameliorated-the-adjuvant-induced-rat-arthritis
#9
Wei Pan, Wen-Ting Hao, Hui-Wen Xu, Su-Ping Qin, Xiang-Yang Li, Xiao-Mei Liu, Fen-Fen Sun, Hui Li, Ren-Xian Tang, Kui-Yang Zheng
This study sought to investigate the anti-inflammatory effect of Polyene Phosphatidylcholine (PPC), a clinical drug that is used to treat hepatopathy, on lipopolysaccharide (LPS)-stimulated macrophages and on bovine collagen II-induced arthritis (CIA) rats. In stimulated primary and Raw264.7 macrophages by LPS, PPC significantly down-regulated the relative expression of mRNA such as IL-6, TNF-α, TLR-2, TLR-4, MyD88, and NF-κB while up-regulated IL-10 and TGF-β expression. Moreover, the concentration of IL-6, TNF-α, IL-10, and TGF-β in the cultured supernatants showed the similar tendency with their mRNA alterations...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28978694/identification-of-il-40-a-novel-b-cell-associated-cytokine
#10
Jovani Catalan-Dibene, Monica I Vazquez, Van Phi Luu, Sean-Paul Nuccio, Alborz Karimzadeh, Jenna M Kastenschmidt, S Armando Villalta, Irina Ushach, Egest J Pone, Paolo Casali, Manuela Raffatellu, Amanda M Burkhardt, Marcela Hernandez-Ruiz, Gina Heller, Peter A Hevezi, Albert Zlotnik
We describe a novel B cell-associated cytokine, encoded by an uncharacterized gene (C17orf99; chromosome 17 open reading frame 99), that is expressed in bone marrow and fetal liver and whose expression is also induced in peripheral B cells upon activation. C17orf99 is only present in mammalian genomes, and it encodes a small (∼27-kDa) secreted protein unrelated to other cytokine families, suggesting a function in mammalian immune responses. Accordingly, C17orf99 expression is induced in the mammary gland upon the onset of lactation, and a C17orf99(-/-) mouse exhibits reduced levels of IgA in the serum, gut, feces, and lactating mammary gland...
October 4, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28976802/the-mixed-lineage-leukemia-4-mll4-methyltransferase-complex-is-involved-in-transforming-growth-factor-beta-tgf-%C3%AE-activated-gene-transcription
#11
Roy Baas, Hetty A A M van Teeffelen, Sjoerd J D Tjalsma, H Th Marc Timmers
Sma and Mad related (SMAD)-mediated Transforming Growth Factor β (TGF-β) and Bone Morphogenetic Protein (BMP) signaling is required for various cellular processes. The activated heterotrimeric SMAD protein complexes associate with nuclear proteins such as the histone acetyltransferases p300, PCAF and the Mixed Lineage Leukemia 4 (MLL4) subunit Pax Transactivation domain-Interacting Protein (PTIP) to regulate gene transcription. We investigated the functional role of PTIP and PTIP Interacting protein 1 (PA1) in relation to TGF-β-activated SMAD signaling...
October 4, 2017: Transcription
https://www.readbyqxmd.com/read/28971515/serum-proteomic-assessment-of-the-progression-of-fracture-healing
#12
Amira I Hussein, Christian Mancini, Kyle E Lybrand, Margaret E Cooke, Heather E Matheny, Brenna L Hogue, Paul Tornetta, Louis C Gerstenfeld
A targeted proteomic analysis of murine serum over a 35-day course of fracture healing was carried out to determine if serum proteomic changes could be used to monitor the biological progression of fracture healing. Transverse, closed femoral fractures where generated and stabilized with intramedullary fixation. A single stranded DNA aptamer-based multiplexed proteomic approach was used to assay 1310 proteins. The transcriptomic profiles for genes matching the 1310 proteins were obtained by microarray analysis of callus mRNA...
October 2, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28969971/biomimetic-electrical-stimulation-induces-rat-bone-marrow-mesenchymal-stem-cells-to-differentiate-into-cardiomyocyte-like-cells-via-tgf-beta-1-in-vitro
#13
REVIEW
Xueling He, Liang Li, Min Tang, Ye Zeng, Huiming Li, Xiaoqin Yu
Electrical conductance is one of the factors of the microenvironment of cardiomyocytes, and electrical stimulation (ES) has been shown to modulate the differentiation of bone marrow-derived mesenchymal stem cells (BMSCs) toward a cardiomyogenic fate. Transforming growth factor-beta 1 (TGF-β1) stimulates the cardiomyogenic marker expression in BMSCs. Herein, we promoted the differentiation of BMSCs into cardiomyocyte-like cells using ES to confirm if TGF-β1 mediates this event in vitro. ES increased protein levels of TGF-β1 in BMSCs, and this effect was better than that observed with 5-azacytidine (5-Aza)...
September 29, 2017: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/28965919/pulsed-electromagnetic-fields-inhibit-human-osteoclast-formation-and-gene-expression-via-osteoblasts
#14
Zhiming He, Nagarajan Selvamurugan, Johanna Warshaw, Nicola C Partridge
Pulsed electromagnetic fields (PEMFs) can be effective in promoting the healing of delayed union or nonunion fractures. We previously reported that PEMF (Spinal-Stim® by Orthofix, Inc., Lewisville, TX) stimulated proliferation, differentiation and mineralization of rat calvarial osteoblastic cells in culture. In the present work we investigated the effects of PEMF (Physio-Stim® by Orthofix, Inc., Lewisville, TX) on human bone marrow macrophages (hBMMs) differentiated to osteoclasts. PEMF had striking inhibitory effects on formation of osteoclasts from hBMMs from both younger and older women...
September 28, 2017: Bone
https://www.readbyqxmd.com/read/28963191/deregulated-tgf-%C3%AE-bmp-signaling-in-vascular-malformations
#15
REVIEW
Sara I Cunha, Peetra U Magnusson, Elisabetta Dejana, Maria Grazia Lampugnani
Correct organization of the vascular tree requires the balanced activities of several signaling pathways that regulate tubulogenesis and vascular branching, elongation, and pruning. When this balance is lost, the vessels can be malformed and fragile, and they can lose arteriovenous differentiation. In this review, we concentrate on the transforming growth factor (TGF)-β/bone morphogenetic protein (BMP) pathway, which is one of the most important and complex signaling systems in vascular development. Inactivation of these pathways can lead to altered vascular organization in the embryo...
September 29, 2017: Circulation Research
https://www.readbyqxmd.com/read/28962196/smad7-overexpressing-rat-bmscs-inhibit-the-fibrosis-of-hepatic-stellate-cells-by-regulating-the-tgf-%C3%AE-1-smad-signaling-pathway
#16
Shi-Pin Wu, Zhi Yang, Fu-Rong Li, Xiao-Di Liu, Hong-Tao Chen, Dong-Na Su
Mesenchymal stem cells (MSCs) are able to differentiate into hepatocytes, promote the regeneration of hepatic cells and inhibit the progression of hepatic fibrosis. Transforming growth factor (TGF)-β1 is one of the key factors in the development of liver fibrosis, which also promotes extracellular matrix (ECM) formation. Drosophila mothers against decapentaplegic 7 (Smad7) is an essential negative regulator in the TGF-β1/Smad signaling pathway. In the present study, bone mesenchymal stem cells (BMSCs) were isolated from rat bone marrow and transfected with lentiviral vectors carrying the Smad7 gene...
September 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28958774/osteoglycin-prevents-the-development-of-age-related-diastolic-dysfunction-during-pressure-overload-by-reducing-cardiac-fibrosis-and-inflammation
#17
Sophie Deckx, Ward Heggermont, Paolo Carai, Marieke Rienks, Tom Dresselaers, Uwe Himmelreich, Rick van Leeuwen, Wies Lommen, Jolanda van der Velden, Arantxa Gonzalez, Javier Diez, Anna-Pia Papageorgiou, Stephane Heymans
The small leucine-rich proteoglycan osteoglycin has been implicated in matrix homeostasis in different organs, including the ischemic heart. However, whether osteoglycin modulates cardiac hypertrophy, fibrosis or inflammation in hypertensive heart disease and during aging remains unknown. Angiotensin-II-induced pressure overload increases cardiac osteoglycin expression, concomitant with the onset of inflammation and extracellular matrix deposition. Interestingly aging led to decreased cardiac levels of osteoglycin, yet absence of osteoglycin did not affect organ structure or cardiac function up to the age of 18months...
September 25, 2017: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/28954978/stroke-and-the-cell-therapy-saga-towards-a-safe-swift-and-efficient-utilization-of-cells
#18
Nathalie Kubis
The first clinical trials of cell therapy in stroke were first published in the 2000s and consisted of neural stems cells transplanted via the intracerebral pathway. Since mesenchymal stem cells showed similar capacities to differentiate into neural cells and allowed autologous cell transplantation, they were then preferentially studied, including diabetes and hypertension. More recently, bone marrow derived mononuclear cells were successfully transplanted in stroke with no need of culture processing, and simple collection by density gradient centrifugation rendering them immediately ready for use...
2017: Keio Journal of Medicine
https://www.readbyqxmd.com/read/28938572/osthole-inhibits-bone-metastasis-of-breast-cancer
#19
Chunyu Wu, Zhenping Sun, Baofeng Guo, Yiyi Ye, Xianghui Han, Yuenong Qin, Sheng Liu
Bone is one of the most common sites for breast cancer metastasis, which greatly contributes to patient morbidity and mortality. Osthole, a major extract from Cnidium monnieri (L.), exhibits many biological and pharmacological activities, however, its potential as a therapeutic agent in the treatment of breast cancer bone metastases remain poorly understood. In this study, we set out to investigate whether osthole could inhibit breast cancer metastasis to bone in mice and clarified the potential mechanism of this inhibition...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28927758/evaluation-of-proinflammatory-and-immunosuppressive-cytokines-in-blood-and-bone-marrow-of-healthy-hematopoietic-stem-cell-donors
#20
Wojciech Fidyk, Iwona Mitrus, Agnieszka Ciomber, Andrzej Smagur, Agata Chwieduk, Magdalena Głowala-Kosińska, Sebastian Giebel
INTRODUCTION: Cytokine composition of bone marrow microenvironment in comparison to blood is poorly explored. The goal of this study was to investigate the levels of cytokines present in peripheral blood and bone marrow of healthy hematopoietic stem cells donors. The data obtained on this subject with addition to cytometric analysis can provide new insight into the hematopoietic stem cells microenvironment. METHODOLOGY: Study consisted of cytokine concentration analysis performed by ELISA tests of peripheral blood of healthy peripheral blood stem cells donors and bone marrow of healthy bone marrow donors...
September 15, 2017: Cytokine
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