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https://www.readbyqxmd.com/read/28806967/microrna-181c-inhibits-cigarette-smoke-induced-chronic-obstructive-pulmonary-disease-by-regulating-ccn1-expression
#1
Yong Du, Yi Ding, Xuru Chen, Zhoufang Mei, Heyuan Ding, Yi Wu, Zhijun Jie
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is an obstinate pulmonary disease, causing irreversible alveoli collapse and increasing the risk for cardiovascular disease. Accumulating evidence has shown that the dysregulation of miRNAs is crucially involved in the pathogenesis and development of COPD. However, the effects and role of microRNA-181c (miR-181c) have not been investigated in a murine model of COPD. METHODS: miR-181c expression was detected in human lung tissue samples of 34 patients, an in vivo murine model of CS exposure, and primary human bronchial epithelial cells (HBECs) by qRT-PCR...
August 15, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28777871/the-functional-characteristics-ccni-modulation-of-myeloid-derived-suppressor-cells-in-liver-inflammation
#2
Haiyan Zhang, Min Lian, Jun Zhang, Zhaolian Bian, Ruqi Tang, Qi Miao, Yanshen Peng, Jingyuan Fang, Zhengrui You, Pietro Invernizzi, Qixia Wang, M Eric Gershwin, Xiong Ma
There is increasing awareness of the immunologic roles of liver mononuclear populations including myeloid-derived suppressor cells (MDSCs). We took advantage of a large well defined cohort of 148 patients with liver inflammation and 45 health controls to focus on the qualitative and quantitative characteristics of MDSCs. We investigated the frequency, phenotype and functional capacities of MDSCs using peripheral blood MDSCs in a cohort of 55 patients with PBC, 40 with AIH, 39 with CHB, 14 with NAFLD and 45 healthy controls, and thereafter a liver targeted determination in 27 PBC, 27 AIH, 20 CHB, 14 NAFLD and 6 controls...
August 4, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28712304/regulation-of-cellular-redox-signaling-by-matricellular-proteins-in-vascular-biology-immunology-and-cancer
#3
David D Roberts, Sukhbir Kaur, Jeffrey S Isenberg
SIGNIFICANCE: In contrast to structural elements of the extracellular matrix, matricellular proteins appear transiently during development and injury responses, but their sustained expression can contribute to chronic disease. Through interactions with other matrix components and specific cell surface receptors, matricellular proteins regulate multiple signaling pathways, including those mediated by reactive oxygen and nitrogen species and H2S. Dysregulation of matricellular proteins contributes to the pathogenesis of vascular diseases and cancer...
September 8, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28700567/recombinant-ccn1-prevents-hyperoxia-induced-lung-injury-in-neonatal-rats
#4
Ruben Vaidya, Ronald Zambrano, Julia K Hummler, Shihua Luo, Matthew R Duncan, Karen Young, Lester F Lau, Shu Wu
BACKGROUND: Cystein rich protein 61 (Cyr61/CCN1) is a member of the CCN family of matricellular proteins that plays an improtant role in tissue development and remodeling. However, the role of CCN1 in in the pathogensis of bronchopulmonary dysplasia (BPD) is unknown. Accordingly, we have investigated the effects of CCN1 on a hyperoxia-induced lung injury model in neonatal rats. METHODS: In experiment 1: newborn rats were randomized to room air (RA) or 85% oxygen (O2) for 7 or 14 days and we assessed the expression of CCN1...
July 12, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28694244/tumor-matrix-stiffness-promotes-metastatic-cancer-cell-interaction-with-the-endothelium
#5
Steven E Reid, Emily J Kay, Lisa J Neilson, Anne-Theres Henze, Jens Serneels, Ewan J McGhee, Sandeep Dhayade, Colin Nixon, John Bg Mackey, Alice Santi, Karthic Swaminathan, Dimitris Athineos, Vasileios Papalazarou, Francesca Patella, Álvaro Román-Fernández, Yasmin ElMaghloob, Juan Ramon Hernandez-Fernaud, Ralf H Adams, Shehab Ismail, David M Bryant, Manuel Salmeron-Sanchez, Laura M Machesky, Leo M Carlin, Karen Blyth, Massimiliano Mazzone, Sara Zanivan
Tumor progression alters the composition and physical properties of the extracellular matrix. Particularly, increased matrix stiffness has profound effects on tumor growth and metastasis. While endothelial cells are key players in cancer progression, the influence of tumor stiffness on the endothelium and the impact on metastasis is unknown. Through quantitative mass spectrometry, we find that the matricellular protein CCN1/CYR61 is highly regulated by stiffness in endothelial cells. We show that stiffness-induced CCN1 activates β-catenin nuclear translocation and signaling and that this contributes to upregulate N-cadherin levels on the surface of the endothelium, in vitro This facilitates N-cadherin-dependent cancer cell-endothelium interaction...
August 15, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28638955/lipopolysaccharide-induced-ccn1-production-enhances-interleukin-6-secretion-in-bronchial-epithelial-cells
#6
Lin Shi, Nian Dong, Dongxiang Ji, Xiaomin Huang, Zhaojian Ying, Xiangdong Wang, Chengshui Chen
Acute lung injury/acute respiratory distress syndrome (ALI/ARDS) is a clinical complication caused by primary or secondary lung injury, as well as by systemic inflammation. Researches regarding molecular pathophysiology of ALI/ARDS are immerging with an ultimate aim towards developing prognostic molecular biomarkers and molecule-based therapy. However, the molecular mechanisms concerning ALI/ARDS are still not completely understood. The purpose of the present study was to identify a crucial role of CCN1 in inflammatory microenvironment during ALI/ARDS and focus on a potential communication between CCN1 and interleukin-6 (IL-6) in the airway epithelial cells...
June 21, 2017: Cell Biology and Toxicology
https://www.readbyqxmd.com/read/28608634/molecular-basis-for-the-recognition-of-ccn1-by-monoclonal-antibody-093g9
#7
Chen Zhong, Rongfen Huo, Kuan Hu, Jinlong Shen, Dangsheng Li, Ningli Li, Jianping Ding
CCN1, also named Cyr61 (cysteine-rich protein 61), is the first identified member of the CCN family that is composed of 6 secreted extracellular matrix-associated glycoproteins. CCN1 has been demonstrated to participate in pathogenesis of rheumatoid arthritis through various pathways. A monoclonal antibody, namely, 093G9, is effective to antagonize the effects of CCN1 and hence has potential therapeutic benefits against rheumatoid arthritis. Here, we show that the epitope recognized by 093G9 is mapped to residues 77 to 80 of CCN1, and a cyclic peptide encompassing residues 75 to 81 of CCN1 displays high binding affinity for 093G9...
June 13, 2017: Journal of Molecular Recognition: JMR
https://www.readbyqxmd.com/read/28602508/cyr61-ccn1-induces-ccl20-production-by-keratinocyte-via-activating-p38-and-jnk-ap-1-pathway-in-psoriasis
#8
Huidan Li, Haichuan Li, Rongfen Huo, Pinru Wu, Zhengyu Shen, Hui Xu, Baihua Shen, Ningli Li
BACKGROUND: Psoriasis is a common chronic skin disease characterized by epidermal hyperplasia and inflammation. Cysteine-rich angiogenic inducer 61 (Cyr61/CCN1) has recently been implicated in psoriasis pathogenesis by promoting keratinocyte activation. However, the mechanisms by which CCN1 enhances cutaneous inflammation are not fully understood. OBJECTIVE: In this study, we investigated the role of CCN1 on the expression of CCL20 in human keratinocyte. METHODS AND RESULTS: By double-label immunofluorescence staining, we first identified that the expression of CCN1 colocalized well with CCL20 production in the epidermis of psoriasis skin lesion...
June 1, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28530164/biocompatibility-of-intensified-decellularized-equine-carotid-arteries-in-a-rat-subcutaneous-implantation-model-and-in-a-human-in-vitro-model
#9
Niklas Jeinsen, Lavinia Mägel, Danny Jonigk, Melanie Klingenberg, Axel Haverich, Mathias Wilhelmi, Ulrike Böer
Limited biocompatibility of decellularized scaffolds is an ongoing challenge in tissue engineering. We recently demonstrated that intensified detergent-based decellularization of equine carotid artery (dEACintens) removed residual cellular molecules from the scaffold more efficiently than a conventional decellularization (dEACcon), although this approach did not eliminate its immunogenicity entirely. CCN1 has been shown to improve biocompatibility of dEACcon in a sheep model. In this study, we tested the biocompatibility of dEACintens and dEACcon with or without CCN1 coating after subcutaneous implantation in rats for up to 12 weeks...
June 29, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28496027/expression-profile-of-matricellular-proteins-in-hypertrophied-right-ventricle-of-monocrotaline-induced-pulmonary-hypertensive-rats
#10
Keisuke Imoto, Muneyoshi Okada, Hideyuki Yamawaki
Matricellular proteins, a non-structural extracellular matrix (ECM) component, bind to and modulate various molecules including growth factor, cytokine, protease, other ECM components and cell membrane receptors. While most matricellular proteins are hardly expressed in normal adult tissue, they are re-expressed in heart tissue during cardiac diseases. The present study aimed to clarify the mRNA expression profile of matricellular proteins [secreted protein acidic and rich in cysteine: SPARC, hevin, thrombospondin (TSP)-1, -2 and -4, CCN1 and 5, tenascin (Tn) C and N, periostin and osteopontin (OPN)] in hypertrophied right ventricle (RV) of monocrotaline (MCT)-induced pulmonary hypertensive rats...
June 29, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28469167/interplay-between-ccn1-and-wnt5a-in-endothelial-cells-and-pericytes-determines-the-angiogenic-outcome-in-a-model-of-ischemic-retinopathy
#11
Sangmi Lee, Menna Elaskandrany, Lester F Lau, Douglas Lazzaro, Maria B Grant, Brahim Chaqour
CYR61-CTGF-NOV (CCN)1 is a dynamically expressed extracellular matrix (ECM) protein with critical functions in cardiovascular development and tissue repair. Angiogenic endothelial cells (ECs) are a major cellular source of CCN1 which, once secreted, associates with the ECM and the cell surface and tightly controls the bidirectional flow of information between cells and the surrounding matrix. Endothelium-specific CCN1 deletion in mice using a cre/lox strategy induces EC hyperplasia and causes blood vessels to coalesce into large flat hyperplastic sinuses with no distinctive hierarchical organization...
May 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28460443/sphingosine-1-phosphate-promotes-ovarian-cancer-cell-proliferation-by-disrupting-hippo-signaling
#12
Qianlan Fan, Yuan Cheng, Hsun-Ming Chang, Masashi Deguchi, Aaron J Hsueh, Peter C K Leung
Epithelial ovarian carcinomas account for more than 90% of human ovarian cancers and have become the primary cause of death for gynecological malignancies. Unlimited cell proliferation and resistance to cell apoptosis contribute to the development of ovarian cancers. However, the underlying mechanisms involved in these processes in epithelial ovarian carcinomas are yet poorly understood. In the present study, we examined the Hippo signaling gene expression and investigated the effects of Sphingosine 1-phosphate (S1P) on cell proliferation and the underlying mechanisms in human ovarian cancer cell lines, OVCAR3 and SKOV3...
April 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28341837/enhancement-of-ccl2-expression-and-monocyte-migration-by-ccn1-in-osteoblasts-through-inhibiting-mir-518a-5p-implication-of-rheumatoid-arthritis-therapy
#13
Cheng-Yu Chen, Lih-Jyh Fuh, Chien-Chung Huang, Chin-Jung Hsu, Chen-Ming Su, Shan-Chi Liu, Yu-Min Lin, Chih-Hsin Tang
Cysteine-rich 61 (Cyr61 or CCN1), a secreted protein from the CCN family, is an important proinflammatory cytokine. Migration and infiltration of mononuclear cells to inflammatory sites play a critical role in the pathogenesis of rheumatoid arthritis (RA). Monocyte chemoattractant protein-1 (MCP-1/CCL2) is the key chemokine that regulates migration and infiltration of monocytes. Here, we examined the role of CCN1 in monocyte migration, and CCL2 expression in osteoblasts. We found higher levels of CCN1 and CCL2 in synovial fluid from RA patients compared with levels from non-RA controls...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28266627/ccn1-promotes-il-1%C3%AE-production-in-keratinocytes-by-activating-p38-mapk-signaling-in-psoriasis
#14
Yue Sun, Jie Zhang, Tianhang Zhai, Huidan Li, Haichuan Li, Rongfen Huo, Baihua Shen, Beiqing Wang, Xiangdong Chen, Ningli Li, Jialin Teng
CCN1, an extracellular protein also known as cysteine-rich protein 61 (Cyr61), is a novel pro-inflammatory factor involved in the pathogenesis of rheumatoid arthritis. As an inflammatory disease, psoriasis is characterized by keratinocyte activation-induced epidermal hyperplasia and cytokine-mediated inflammation. We demonstrated in our previous study that CCN1 promoted keratinocyte activation in psoriasis. However, the role of CCN1 in regulating inflammation in psoriasis is still unknown. Here, we showed that CCN1 increased inflammatory cytokine IL-1β production in keratinocytes...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28157379/cre-and-sre-mediate-lpa-induced-ccn1-transcription-in-mouse-aortic-smooth-muscle-cells
#15
Quanlin Dou, Feng Hao, Longsheng Sun, Xuemin Xu, Mei-Zhen Cui
Lysophosphatidic acid (LPA), one component of oxidized low-density lipoprotein (ox-LDL), is a potent bioactive phospholipid. Our recent data reveal that LPA induces matricellular protein CCN1 (also known as Cyr61) expression in aortic smooth muscle cells (SMCs) and that CCN1 bridges LPA and integrin signaling pathways leading to SMC migration. Whether and how LPA regulates the transcriptional machinery of the CCN1 gene are unknown. In this study, we found that LPA markedly induces CCN1 mRNA expression in SMCs...
March 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28054013/the-profile-of-cyr61-expression-data-correlate-to-the-skin-inflammation-in-psoriasis
#16
Pinru Wu, Gang Ma, Ningli Li
The data presented in this article are related to the research article entitled "Cyr61/CCN1 is involved in the pathogenesis of psoriasis vulgaris via promoting IL-8 production by keratinocytes in a JNK/NF-κB pathway" (Pinru Wu, Gang Ma, Xianjin Zhu, Ting Gu, Jie Zhang, Yue Sun, Hui Xu, Rongfen Huo, Beiqing Wang, Baihua Shen, Xiangdong Chen, Ningli Li, 2016) [1]. Cysteine-rich 61 (Cyr61/CCN1), a secreted extracellular matrix protein, is a novel proinflammatory factor. In this dataset skin samples from normal donors and psoriasis vulgaris patients were examined the expression of Cyr61 and IL-8 using immunohistochemistry...
February 2017: Data in Brief
https://www.readbyqxmd.com/read/28039692/biological-characteristics-of-ccn-proteins-in-tumor-development
#17
REVIEW
Stephany C Barreto, Amitabha Ray, Page Ag Edgar
The extracellular membrane (ECM) is no longer regarded as inert, rather it has multiple versatile physiologic functions. Its diverse composition is implicated in each step of cancer progression including inflammation, angiogenesis, tumor invasion and metastasis. In addition to structural proteins, the ECM also contains a family of non-structural proteins called matricellular proteins. The six secreted CCN proteins, which belong to the matricellular protein family, include the following: Cyr61 (CCN1), CTGF (CCN2), Nov (CCN3), WISP- 1 (CCN4), WISP-2 (CCN5) and WISP-3(CCN6)...
November 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28039333/involvement-of-hypoxia-inducing-factor-1%C3%AE-dependent-plasminogen-activator-inhibitor-1-up-regulation-in-cyr61-ccn1-induced-gastric-cancer-cell-invasion
#18
Ming-Tsan Lin, I-Hsin Kuo, Cheng-Chi Chang, Chia-Yu Chu, Hsing-Yu Chen, Been-Ren Lin, Munisamy Sureshbabu, Hou-Jung Shih, Min-Liang Kuo
No abstract text is available yet for this article.
December 30, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28035364/cyr61-ccn1-stimulates-proliferation-and-differentiation-of-osteoblasts-in-vitro-and-contributes-to-bone-remodeling-in-vivo-in-myeloma-bone-disease
#19
Hui Liu, Fengping Peng, Zhaoyun Liu, Fengjuan Jiang, Lijuan Li, Shan Gao, Guojin Wang, Jia Song, Erbao Ruan, Zonghong Shao, Rong Fu
Cysteine-rich 61 (CYR61/CCN1), a secreted protein in bone marrow (BM) microenvironment, has diverse effects on many cellular activities such as growth and differentiation. However, the effect of CCN1 on osteoblasts (OBs) in myeloma bone disease remains unclear. In our study, the level of CCN1 in multiple myeloma (MM) patients was detected by ELISA and RT-PCR. The proliferation and differentiation of OBs from MM patients were observed after stimulated by CCN1 in vitro. The myeloma cells transduced with CYR61 gene (RPMI‑8226/CYR61) were injected in a mouse model to evaluate the efficacy of CCN1 in vivo and compare with zoledronic acid...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28008161/baicalein-inhibits-epithelial-to-mesenchymal-transition-via-downregulation-of-cyr61-and-loxl-2-in-mda-mb231-breast-cancer-cells
#20
Linh Thi Thao Nguyen, Yeon Woo Song, Somi Kim Cho
Epithelial-mesenchymal transition (EMT) is a critical step in the acquisition of the migratory and invasive capabilities associated with metastatic competence. Cysteine-rich protein 61 (CCN1/Cyr61) has been implicated as an important mediator in the proliferation and metastasis of breast cancer. Hence, Cyr61 and associated pathways are attractive targets for therapeutic interventions directed against the EMT. In the present study, we report that baicalein significantly inhibits the expression of Cyr61 and migration and invasion of MDA-MB231 human breast cancer cells...
December 2016: Molecules and Cells
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