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https://www.readbyqxmd.com/read/28811645/inhibin-a-and-decorin-secreted-by-human-adult-renal-stem-progenitor-cells-through-the-tlr2-engagement-induce-renal-tubular-cell-regeneration
#1
Fabio Sallustio, Claudia Curci, Alessandra Aloisi, Chiara Cristina Toma, Elisabetta Marulli, Grazia Serino, Sharon Natasha Cox, Giuseppe De Palma, Alessandra Stasi, Chiara Divella, Rosaria Rinaldi, Francesco Paolo Schena
Acute kidney injury (AKI) is a public health problem worldwide. Several therapeutic strategies have been made to accelerate recovery and improve renal survival. Recent studies have shown that human adult renal progenitor cells (ARPCs) participate in kidney repair processes, and may be used as a possible treatment to promote regeneration in acute kidney injury. Here, we show that human tubular ARPCs (tARPCs) protect physically injured or chemically damaged renal proximal tubular epithelial cells (RPTECs) by preventing cisplatin-induced apoptosis and enhancing proliferation of survived cells...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28798237/decorin-evoked-paternally-expressed-gene-3-peg3-is-an-upstream-regulator-of-the-transcription-factor-eb-tfeb-in-endothelial-cell-autophagy
#2
Thomas Neill, Catherine Sharpe, Rick T Owens, Renato V Iozzo
Macroautophagy is a fundamental and evolutionarily conserved catabolic process that eradicates damaged and aging macromolecules and organelles in eukaryotic cells. Decorin, an archetypical small leucine-rich proteoglycan, initiates a protracted autophagic program downstream of VEGF receptor 2 (VEGFR2) signaling that requires Paternally Expressed Gene 3 (PEG3). We have discovered that PEG3 is an upstream transcriptional regulator of TFEB, a master transcription factor of lysosomal biogenesis, for decorin-evoked endothelial cell autophagy...
August 10, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28793886/cathepsin-s-degraded-decorin-are-elevated-in-fibrotic-lung-disorders-development-and-biological-validation-of-a-new-serum-biomarker
#3
S N Kehlet, C L Bager, N Willumsen, B Dasgupta, C Brodmerkel, M Curran, S Brix, D J Leeming, M A Karsdal
BACKGROUND: Decorin is one of the most abundant proteoglycans of the extracellular matrix and is mainly secreted and deposited in the interstitial matrix by fibroblasts where it plays an important role in collagen turnover and tissue homeostasis. Degradation of decorin might disturb normal tissue homeostasis contributing to extracellular matrix remodeling diseases. Here, we present the development and validation of a competitive enzyme-linked immunosorbent assay (ELISA) quantifying a specific fragment of degraded decorin, which has potential as a novel non-invasive serum biomarker for fibrotic lung disorders...
August 9, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28789706/small-leucine-rich-proteoglycans-slrps-in-the-endometrium-of-polycystic-ovary-syndrome-women-a-pilot-study
#4
Ricardo Santos Simões, José Maria Soares-Jr, Manuel J Simões, Helena B Nader, Maria Cândida P Baracat, Gustavo Arantes R Maciel, Paulo C Serafini, Ricardo Azziz, Edmund C Baracat
BACKGROUND: Small leucine-rich proteoglycans (SLRPs) play an important role in tissue homeostasis and cell proliferation since these proteoglycans sequester multiple growth factors. However, the content of SLRPs in the endometrium of polycystic ovary syndrome (PCOS) women is unknown. Our purpose was to test the hypothesis that excessive endometrial proliferation in PCOS may be partly related to abnormalities in SLRPs. METHODS: In a cross section study a total of 20 endometrial samples were collected from 10 patients with PCOS and 10 ovulatory women during their proliferative (pre-ovulatory) phase...
August 8, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28759311/biglycan-and-decorin-expression-and-distribution-in-palatal-adhesion
#5
I Ibrahim, M J Serrano, L B Ruest, K K H Svoboda
Previous studies demonstrated that chondroitin sulfate proteoglycans (CSPGs) on apical surfaces of palatal medial edge epithelial (MEE) cells were necessary for palatal adhesion. In this study, we identified 2 proteoglycans, biglycan and decorin, that were expressed in the palatal shelves prior to adhesion. In addition, we established that these proteoglycans were dependent on transforming growth factor β (TGFβ) signaling. Laser capture microdissection was used to collect selected palatal epithelial cells from embryonic mouse embryos at various palate development stages...
July 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28735615/new-mechanisms-of-ecm-production%C3%A2-during-wound-healing-%C3%A2-a%C3%A2-role-for%C3%A2-parathyroid-hormone-2-receptor%C3%A2-signaling
#6
Traci A Wilgus
Extracellular matrix deposition is required for wound healing. Studies by Sato et al. reveal a role for parathyroid hormone 2 receptor (PTH2R) in extracellular matrix production in wounds. Deficiencies in PTH2R or its ligand tuberoinfundibular peptide of 39 residues (TIP39) delayed repair, and TIP39 treatment accelerated healing. TIP39-PTH2R signaling induced decorin expression, which may explain the beneficial effects of PTH2R signaling on healing. These studies identify a novel role for PTH2R signaling in extracellular matrix production...
August 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28727221/scar-formation-following-excisional-and-burn-injuries-in-a-red-duroc-pig-model
#7
Britani N Blackstone, Jayne Y Kim, Kevin L McFarland, Chandan K Sen, Dorothy M Supp, J Kevin Bailey, Heather M Powell
Scar research is challenging because rodents do not naturally form excessive scars, and burn depth, size, and location cannot be controlled in human longitudinal studies. The female, red Duroc pig model has been shown to form robust scars with biological and anatomical similarities to human hypertrophic scars. To more closely mimic the mode of injury, recreate the complex chemical milieu of the burn wound environment and enhance scar development, an animal model of excessive burn-induced scarring was developed and compared with the more commonly used model, which involves excisional wounds created via dermatome...
July 20, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28697880/comparison-of-autologous-bone-marrow-and-adipose-tissue-derived-mesenchymal-stem-cells-and-platelet-rich-plasma-for-treating-surgically-induced-lesions-of-the-equine-superficial-digital-flexor-tendon
#8
A Romero, L Barrachina, B Ranera, A R Remacha, B Moreno, I de Blas, A Sanz, F J Vázquez, A Vitoria, C Junquera, P Zaragoza, C Rodellar
Several therapies have been investigated for equine tendinopathies, but satisfactory long term results have not been achieved consistently and a better understanding of the healing mechanism elicited by regenerative therapies is needed. The aim of this study was to assess the separate effects of autologous bone marrow (BM) and adipose tissue (AT) derived mesenchymal stem cells (MSCs), and platelet rich plasma (PRP), for treating lesions induced in the superficial digital flexor tendon (SDFT) of horses. Lesions were created surgically in both SDFTs of the forelimbs of 12 horses and were treated with BM-MSCs (six tendons), AT-MSCs (six tendons) or PRP (six tendons)...
June 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28692113/analysing-the-bioactive-makeup-of-demineralised-dentine-matrix-on-bone-marrow-mesenchymal-stem-cells-for-enhanced-bone-repair
#9
S J Avery, L Sadaghiani, A J Sloan, R J Waddington
Dentine matrix has proposed roles for directing mineralised tissue repair in dentine and bone; however, the range of bioactive components in dentine and specific biological effects on bone-derived mesenchymal stem cells (MSCs) in humans are less well understood. The aims of this study were to further elucidate the biological response of MSCs to demineralised dentine matrix (DDM) in enhancing wound repair responses and ascertain key contributing components. Dentine was obtained from human teeth and DDM proteins solubilised with ethylenediaminetetraacetic acid (EDTA)...
July 10, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28658958/collagen-affinity-coating-for-surface-binding-of-decorin-and-other-biomolecules-surface-characterization
#10
Marisa L Sylvester, Buddy D Ratner
The development of biomaterials that promote tissue reconstruction and regeneration can reduce the low level, chronic inflammation and encapsulation that impact the performance of today's medical devices. Specifically, in the case of implantable sensors, the host response often leads to poor device performance that discourages permanent implantation. Our goal is to present on medical implants bioactive molecules that can promote healing rather than scarring. Localized delivery of these molecules would also minimize the possibility of adverse tissue reactions elsewhere in the body...
June 28, 2017: Biointerphases
https://www.readbyqxmd.com/read/28654594/comparison-of-steroid-and-botulinum-toxin-type-a-monotherapy-with-combination-therapy-for-treating-human-hypertrophic-scars-in-an-animal-model
#11
Hung-Chang Chen, Cheng-I Yen, Shih-Yi Yang, Cheng-Jen Chang, Jui-Yung Yang, Shu-Yin Chang, Shiow-Shuh Chuang, Yen-Chang Hsiao
BACKGROUND: The authors evaluated the efficacy of a combined regimen of botulinum toxin type A (Botox) and a steroid (triamcinolone acetonide) for treating hypertrophic scars in comparison with the treatment with each drug alone. METHODS: Twenty excised human hypertrophic scar fragments obtained from surgically treated burn patients were divided into four groups: negative control (group A), triamcinolone alone (group B), Botox alone (group C), and a combination of triamcinolone and Botox (group D)...
July 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28653173/human-metaplastic-breast-carcinoma-and-decorin
#12
Pia Boström, Annele Sainio, Natalja Eigėlienė, Anne Jokilammi, Klaus Elenius, Ilkka Koskivuo, Hannu Järveläinen
Metaplastic breast carcinoma (MBC) is a rare subtype of invasive breast cancer and has poor prognosis. In general, cancers are heterogeneous cellular masses comprised of different cell types and their extracellular matrix (ECM). However, little is known about the composition of the ECM and its constituents in MBC. Decorin is a ubiquitous ECM macromolecule known of its oncosuppressive activity. As such, it provides an intriguing molecule in the development of novel therapeutics for different malignancies such as MBC...
June 26, 2017: Cancer Microenvironment: Official Journal of the International Cancer Microenvironment Society
https://www.readbyqxmd.com/read/28631095/decorin-gene-upregulation-mediated-by-an-adeno-associated-virus-vector-increases-intratumoral-uptake-of-nab-paclitaxel-in-neuroblastoma-via-inhibition-of-stabilin-1
#13
Zijun Zhen, Kaibin Yang, Litong Ye, Zhiyao You, Rirong Chen, Ying Liu
The availability of effective medication for the treatment of refractory or recurrent neuroblastoma remains limited. This study sought to investigate the effects of increased decorin (DCN) expression on the intratumoral uptake of nab-paclitaxel as a potential novel approach to NB. Correlation between the clinical characteristics of neuroblastoma and the expression of DCN, secreted protein acidic and rich in cysteine (SPARC) and stabilin-1 was evaluated. The anticancer effect of recombinant adeno-associated virus-DCN (rAAV-DCN) was assessed in vivo and in vitro...
June 20, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28607949/non-glycanated-decorin-is-a-drug-target-on-human-adipose-stromal-cells
#14
Alexes C Daquinag, Ali Dadbin, Brad Snyder, Xiaoping Wang, Aysegul A Sahin, Naoto T Ueno, Mikhail G Kolonin
Adipose stromal cells (ASCs) have been identified as a mesenchymal cell population recruited from white adipose tissue (WAT) by tumors and supporting cancer progression. We have previously reported the existence of a non-glycanated decorin isoform (ngDCN) marking mouse ASCs. We identified a peptide CSWKYWFGEC that binds to ngDCN and hence can serve as a vehicle for ASC-directed therapy delivery. We used hunter-killer peptides composed of CSWKYWFGEC and a pro-apoptotic moiety to deplete ASCs and suppress growth of mouse tumors...
September 15, 2017: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/28599447/recombinant-fibromodulin-and-decorin-effects-on-nf-%C3%AE%C2%BAb-and-tgf%C3%AE-1-in-the-4t1-breast-cancer-cell-line
#15
Ladan Dawoody Nejad, Alireza Biglari, Tiziana Annese, Domenico Ribatti
Constitutive activation of nuclear factor-κB (NF-κB) stimulates cell proliferation and metastasis, and inhibits apoptosis in breast cancer. Transforming growth factor-β (TGF-β) signaling pathway is deregulated in breast cancer progression and metastasis. The aim of the present study was to investigate the inhibitory effects of the two small leucine rich proteoglycans fibromodulin (Fmod) and decorin (Dcn), overexpressed using adenovirus gene transfer, on NF-κB-activity and TGF-β1-expression in the highly metastatic 4T1 breast cancer cell line...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28593712/human-adipose-tissue-derived-tenomodulin-positive-subpopulation-of-stem-cells-a-promising-source-of-tendon-progenitor-cells
#16
A I Gonçalves, P M Gershovich, M T Rodrigues, R L Reis, M E Gomes
Cell-based therapies are of particular interest for tendon and ligament regeneration given the low regenerative potential of these tissues. Adipose tissue is an abundant source of stem cells, which may be employed for the healing of tendon lesions. However, human adult multipotent adipose-derived stem cells (hASCs) isolated from the stromal vascular fraction (SVF) of adipose tissue originate highly heterogeneous cell populations that hinder their use in specific tissue-oriented applications. In this study, distinct subpopulations of hASCs were immunomagnetic separated and their tenogenic differentiation capacity evaluated in the presence of several growth factors (GFs), namely EGF, bFGF, TGF-β1 and PDGF-BB, that are well-known regulators of tendon development, growth and healing...
June 7, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28567416/negative-correlation-between-mir-200c-and-decorin-plays-an-important-role-in-the-pathogenesis-of-colorectal-carcinoma
#17
Ren-Yi Tang, Zun Wang, Hong-Qi Chen, Si-Bo Zhu
Aim. To demonstrate the regulatory role of miRNA in colorectal carcinoma (CRC) and reveal the transcript markers that may be associated with CRC clinical outcomes. Method. Herein, we analyzed both mRNA and miRNA gene expression profiles of 255 CRC tumor samples from The Cancer Genome Atlas project to reveal the regulatory association between miRNA and mRNA. Also, the potential role of gene coexpression network in CRC has been explored. Results. The negative correlation between miR-200c and DCN (Decorin) was calculated in CRC, indicating that DCN could be a potential target of miR-200c...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28562226/inhibition-of-pathological-phenotype-of-hypertrophic-scar-fibroblasts-via-coculture-with-adipose-derived-stem-cells
#18
Jingcheng Deng, Yuan Shi, Zhen Gao, Wenjie Zhang, Xiaoli Wu, Weigang Cao, Wei Liu
Hypertrophic scar (HS) is a dermal fibroproliferative disease characterized by fibroblast over-proliferation, overproduction, and deposition of the extracellular matrix. Growing evidence demonstrated that adipose-derived stem cells (ASCs) secrete a plethora of trophic and antifibrotic factors, which suppress inflammation and ameliorate fibrosis of different tissues. However, few studies investigate their effect on repressing HS activity. This study evaluated the suppressing effect of ASCs on HS fibroblast bioactivity and the possible mechanism via a coculture model...
July 3, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28554792/specificity-studies-on-proteases-for-dehairing-in-leather-processing-using-decorin-as-model-conjugated-protein
#19
S Shakilanishi, C Shanthi
Enzyme based dehairing of animal skins in leather processing is considered a greener alternative to conventional chemical based dehairing process. The specificity based screening of proteases would be an important criterion as it would help in removing hairs by acting particularly on the proteoglycans holding the hair to the bulb without damaging the other proteins. The present paper describes a comparative study of the specificity of a dehairing protease with non-dehairing one isolated from Bacillus sps. Dehairing protease was found to be trypsin-like, non-collagenolytic and non-keratinolytic enzyme whereas non-dehairing one was a metalloprotease with non-collagenolytic activity but specificity for soluble keratin...
October 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28530155/an-oncolytic-adenovirus-encoding-decorin-and-granulocyte-macrophage-colony-stimulating-factor-inhibits-tumor-growth-in-a-colorectal-tumor-model-by-targeting-pro-tumorigenic-signals-and-via-immune-activation
#20
Zhao Liu, Yuefeng Yang, Xiaoyan Zhang, Hao Wang, Weidong Xu, Hua Wang, Fengjun Xiao, Zhigang Bai, Hongwei Yao, Xuemei Ma, Lan Jin, Chutse Wu, Prem Seth, Zhongtao Zhang, Lisheng Wang
In advanced and metastatic stages of colorectal cancer (CRC), reduced sensitivity to conventional strategies is still a major obstacle to successful treatments. Decorin is an important regulator in the development and progression of various cancers. To examine if CRC patients have altered decorin levels, expression of decorin and its target genes, Met and vascular endothelial growth factor A (VEGFA), were analyzed in their tumors. Compared to normal tissues, decorin expression was reduced in CRC patients' tumors, while there were increased Met and VEGFA levels...
August 2017: Human Gene Therapy
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