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Journal of Cell Communication and Signaling

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https://www.readbyqxmd.com/read/29725988/polydopamine-assisted-bmp-2-immobilization-on-titanium-surface-enhances-the-osteogenic-potential-of-periodontal-ligament-stem-cells-via-integrin-mediated-cell-matrix-adhesion
#1
Jeong Seok Lee, Jeong-Chae Lee, Jung Sun Heo
A mussel-inspired polydopamine (PDA), resulting from the oxidative polymerization of dopamine, was reported to be an attractive substrate for advancing biomaterial applications. Thus, this study determined the osteoconductive/osteoinductive properties of titanium (Ti) surfaces coated with PDA and the facilitation of the PDA layer to immobilize bone morphogenetic protein-2 (BMP-2) on Ti substrates. The surface chemistry of PDA or PDA/BMP-2-coated Ti was confirmed by contact angle measurement, scanning electron microscopy (SEM), immunofluorescence staining, atomic force microscopy (AFM), and X-ray photoelectron spectroscopy (XPS)...
May 3, 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29705949/a-network-map-of-il-33-signaling-pathway
#2
Sneha M Pinto, Yashwanth Subbannayya, D A B Rex, Rajesh Raju, Oishi Chatterjee, Jayshree Advani, Aneesha Radhakrishnan, T S Keshava Prasad, Mohan R Wani, Akhilesh Pandey
Interleukin-33 (IL-33) is a member of the IL-1 family of cytokines that play a central role in the regulation of immune responses. Its release from epithelial and endothelial cells is mediated by pro-inflammatory cytokines, cell damage and by recognition of pathogen-associated molecular patterns (PAMPs). The activity of IL-33 is mediated by binding to the IL-33 receptor complex (IL-33R) and activation of NF-κB signaling via the classical MyD88/IRAK/TRAF6 module. IL-33 also induces the phosphorylation and activation of ERK1/2, JNK, p38 and PI3K/AKT signaling modules resulting in the production and release of pro-inflammatory cytokines...
April 28, 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29480433/role-of-protein-kinase-n2-pkn2-in-cigarette-smoke-mediated-oncogenic-transformation-of-oral-cells
#3
Pavithra Rajagopalan, Vishalakshi Nanjappa, Krishna Patel, Ankit P Jain, Kiran K Mangalaparthi, Arun H Patil, Bipin Nair, Premendu P Mathur, T S Keshava Prasad, Joseph A Califano, David Sidransky, Harsha Gowda, Aditi Chatterjee
Smoking is the leading cause of preventable death worldwide. Though cigarette smoke is an established cause of head and neck cancer (including oral cancer), molecular alterations associated with chronic cigarette smoke exposure are poorly studied. To understand the signaling alterations induced by chronic exposure to cigarette smoke, we developed a cell line model by exposing normal oral keratinocytes to cigarette smoke for a period of 12 months. Chronic exposure to cigarette smoke resulted in increased cellular proliferation and invasive ability of oral keratinocytes...
February 26, 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29476316/information-transmission-in-microbial-and-fungal-communication-from-classical-to-quantum
#4
Sarangam Majumdar, Sukla Pal
Microbes have their own communication systems. Secretion and reception of chemical signaling molecules and ion-channels mediated electrical signaling mechanism are yet observed two special ways of information transmission in microbial community. In this article, we address the aspects of various crucial machineries which set the backbone of microbial cell-to-cell communication process such as quorum sensing mechanism (bacterial and fungal), quorum sensing regulated biofilm formation, gene expression, virulence, swarming, quorum quenching, role of noise in quorum sensing, mathematical models (therapy model, evolutionary model, molecular mechanism model and many more), synthetic bacterial communication, bacterial ion-channels, bacterial nanowires and electrical communication...
June 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29488175/endoglin-haploinsufficiency-is-associated-with-differential-regulation-of-extracellular-matrix-production-during-skin-fibrosis-and-cartilage-repair-in-mice
#5
Anas Alzahrani, Yoon Chi, Kenneth W Finnson, Meryem Blati, Bertrand Lussier, Mohit Kapoor, Stephane Roy, Anie Philip
Transforming growth factor (TGF)-β is a multifunctional growth factor with potent pro-fibrotic effects. Endoglin is a TGF-β co-receptor that strongly regulates TGF-β signaling in a variety of cell types. Although aberrant regulation of TGF-β signaling is known to play a key role in fibrotic diseases such as scleroderma and impaired cartilage repair, the significance of endoglin function in regulating these processes is poorly understood. Here we examined whether endoglin haploinsufficiency regulates extracellular (ECM) protein expression and fibrotic responses during bleomycin induced skin fibrosis and surgically induced osteoarthritis, using endoglin-heterozygous (Eng+/-) mice and wild-type (Eng+/+) littermates...
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29470822/the-concept-of-the-ccn-protein-family-revisited-a-centralized-coordination-network
#6
REVIEW
Bernard Perbal
The wide array of biological properties attributed to the CCN family of proteins (Perbal in Lancet 363(9402):62-64, 2004) led me to reconsider the possible relationship and roles that these proteins may play as a team, instead of acting on their own as individual regulators in various signaling pathways. The dynamic model which I present in this review stems from the contribution of the biological properties that we established for CCN3, one of the three founding members of the CCN family, which was identified by our group as the first CCN protein showing growth inhibitory properties (1992), expressed mainly in quiescent cells (1996), and showing anti-tumor activities in several cellular models both ex vivo and in vivo...
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29455304/correction-to-characterization-of-bone-morphology-in-ccn5-wisp2-knockout-mice
#7
Jie Jiang, Gexin Zhao, Karen M Lyons
In the original publication's title CCN5/WISP5 should have been CCN5/WISP2.
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29455303/extracellular-matrix-regulation-of-fibroblast-function-redefining-our-perspective-on-skin-aging
#8
REVIEW
Megan A Cole, Taihao Quan, John J Voorhees, Gary J Fisher
The dermal extracellular matrix (ECM) comprises the bulk of skin and confers strength and resiliency. In young skin, fibroblasts produce and adhere to the dermal ECM, which is composed primarily of type I collagen fibrils. Adherence allows fibroblasts to spread and exert mechanical force on the surrounding ECM. In this state, fibroblasts display a "youthful" phenotype characterized by maintenance of the composition and structural organization of the dermal ECM. During aging, fibroblast-ECM interactions become disrupted due to fragmentation of collagen fibrils...
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29435820/once-upon-a-time-a-special-issue-for-the-10th-anniversary-of-the-journal-of-cell-communication-and-signaling
#9
EDITORIAL
Bernard Perbal
No abstract text is available yet for this article.
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29411334/regulation-and-bioactivity-of-the-ccn-family-of-genes-and-proteins-in-obesity-and-diabetes
#10
REVIEW
Stephen M Twigg
Across the years the CCNs have been increasingly implicated in the development of obesity, diabetes and its complications. Evidence for this is currently derived from their dysregulation in key metabolic pathological states in humans, animal and in vitro models, and also pre-clinical effects of their bioactivities. CCN2 is the best studied in this disease process and the other CCNs are yet to be better defined. Key steps where CCNs may play a pathogenic metabolic role include: (i) obesity and insulin resistance, where CCN2 inhibits fat cell differentiation in vitro and CCN3 may induce obesity and insulin resistance; (ii) elevated blood glucose levels to diabetes mellitus onset, where CCN2 may contribute to pancreatic beta cell and islet function; and (iii) in diabetes complications, such as nephropathy, retinopathy, liver disease (NAFLD/NASH), CVD and diabetes with heart failure...
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29396648/characterization-of-bone-morphology-in-ccn5-wisp5-knockout-mice
#11
Jie Jiang, Gexin Zhao, Karen M Lyons
CCN5/WISP2 is part of the CCN family of matricellular proteins, but is distinct in that it lacks the C-terminal (CT) domain. Although CCN5 has been shown to impact cell proliferation and differentiation in vitro, its role in vivo is unclear. We therefore generated mice using ES cells developed by the Knockout Mouse Project (KOMP) in which exons 2-5, which encode the all of the conserved protein coding regions, are replaced by a lacZ cassette. Ccn5 LacZ/LacZ mice were viable and apparently normal. Based on previous studies showing that CCN5 impacts osteoblast proliferation and differentiation, we performed an analysis of adult bone phenotype...
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29372416/galectin-3-regulation-of-wound-healing-and-fibrotic-processes-insights-for-chronic-skin-wound-therapeutics
#12
REVIEW
Karrington McLeod, John T Walker, Douglas W Hamilton
A member of the lectin family, galectin-3 is a 250 amino-acid protein that contains a C-terminus carbohydrate recognition domain (CRD) that recognizes β-galactosides. Considered to have certain common properties associated with matricellular proteins, galectin-3 is expressed in the dermis and epidermis in healthy skin and is upregulated in skin healing, peaking at day 1 post wounding in mice. Galectin-3 has been implicated in several processes central to the wound healing response, specifically in the regulation of inflammation, macrophage polarization, angiogenesis, fibroblast to myofibroblast transition and re-epithelialization...
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29357009/the-matricellular-protein-ccn1-in-tissue-injury-repair
#13
REVIEW
Ki-Hyun Kim, Jong Hoon Won, Naiyuan Cheng, Lester F Lau
The expression of Ccn1 (Cyr61) is essential for cardiovascular development during embryogenesis, whereas in adulthood it is associated with inflammation, wound healing, injury repair, and related pathologies including fibrosis and cancer. Recent studies have found that CCN1 plays a critical role in promoting wound healing and tissue repair. Mechanistically, CCN1 functions through direct interaction with specific integrin receptors expressed in various cell types in the wound tissue microenvironment to coordinate diverse cellular functions for repair...
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29357008/matricellular-ccn6-wisp3-protein-a-tumor-suppressor-for-mammary-metaplastic-carcinomas
#14
REVIEW
Mai N Tran, Celina G Kleer
Located at 6q22-23, Ccn6 (WISP3) encodes for a matrix-associated protein of the CCN family, characterized by regulatory, rather than structural, roles in development and cancer. CCN6, the least studied member of the CCN family, shares the conserved multimodular structure of CCN proteins, as well as their tissue and cell-type specific functions. In the breast, CCN6 is a critical regulator of epithelial-to-mesenchymal transitions (EMT) and tumor initiating cells. Studies using human breast cancer tissue samples demonstrated that CCN6 messenger RNA and protein are expressed in normal breast epithelia but reduced or lost in aggressive breast cancer phenotypes, especially inflammatory breast cancer and metaplastic carcinomas...
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29352451/involvement-of-tsukushi-in-diverse-developmental-processes
#15
Shah Adil Ishtiyaq Ahmad, Mohammad Badrul Anam, Naofumi Ito, Kunimasa Ohta
Tsukushi (TSK) is a small signaling molecule which takes part in different developmental processes of multiple vertebrate organisms. The diverse activity of TSK depends on its ability to bind various intermediate molecules from different major signaling pathways. Interactions of TSK with BMP, FGF, TGF-β and Wnt pathways have already been confirmed. In this review, we will introduce the latest information regarding the involvement of TSK in developmental events. We suggest a fine tuning role for TSK in multiple signaling cascades...
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29349730/ccn5-in-alveolar-epithelial-proliferation-and-differentiation-during-neonatal-lung-oxygen-injury
#16
Najla Fiaturi, Joshua W Russo, Heber C Nielsen, John J Castellot
Lung immaturity is the major cause of morbidity and mortality in premature infants, especially those born <28 weeks of gestation. These infants are at high risk of developing respiratory distress syndrome (RDS), a lung disease caused by insufficient surfactant production and immaturity of saccular/alveolar type II epithelial cells in the lung. RDS treatment includes oxygen and respiratory support that improve survival but also increase the risk for bronchopulmonary dysplasia (BPD), a chronic lung disease characterized by arrested alveolarization, airway hyperreactivity, and pulmonary hypertension...
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29305692/cd99-at-the-crossroads-of-physiology-and-pathology
#17
REVIEW
Michela Pasello, Maria Cristina Manara, Katia Scotlandi
CD99 is a cell surface protein with unique features and only partly defined mechanisms of action. This molecule is involved in crucial biological processes, including cell adhesion, migration, death, differentiation and diapedesis, and it influences processes associated with inflammation, immune responses and cancer. CD99 is frequently overexpressed in many types of tumors, particularly pediatric tumors including Ewing sarcoma and specific subtypes of leukemia. Engagement of CD99 induces the death of malignant cells through non-conventional mechanisms...
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29264709/integration-of-pro-and-anti-angiogenic-signals-by-endothelial-cells
#18
REVIEW
Shideh Kazerounian, Jack Lawler
Angiogenesis or neovascularization is a complex multi-step physiological process that occurs throughout life both in normal tissues and in disease. It is tightly regulated by the balance between pro-angiogenic and anti-angiogenic factors. The angiogenic switch has been identified as the key step during tumor progression in which the balance between pro-angiogenic and anti-angiogenic factors leans toward pro-angiogenic stimuli promoting the progression of tumors from dormancy to dysplasia and ultimately malignancy...
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29260442/cellular-senescence-in-the-aging-and-diseased-kidney
#19
REVIEW
F A Valentijn, L L Falke, T Q Nguyen, Roel Goldschmeding
The program of cellular senescence is involved in both the G1 and G2 phase of the cell cycle, limiting G1/S and G2/M progression respectively, and resulting in prolonged cell cycle arrest. Cellular senescence is involved in normal wound healing. However, multiple organs display increased senescent cell numbers both during natural aging and after injury, suggesting that senescent cells can have beneficial as well as detrimental effects in organismal aging and disease. Also in the kidney, senescent cells accumulate in various compartments with advancing age and renal disease...
March 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29256171/multiple-enhancer-regions-govern-the-transcription-of-ccn2-during-embryonic-development
#20
Stephanie L Frost, Ke Liu, Ian M H Li, Blandine Poulet, Eithne Comerford, Sarah De Val, George Bou-Gharios
CCN2 is a critical matricellular protein that is expressed in several cells with major implications in physiology and different pathologies. However, the transcriptional regulation of this gene remains obscure. We used the Encyclopaedia of DNA Elements browser (ENCODE) to visualise the region spanning from 300 kb upstream to the CCN2 start site in silico in order to identify enhancer regions that regulate transcription of this gene. Selection was based on three criteria associated with enhancer regions: 1) H3K4me1 and H3K27ac histone modifications, 2) DNase I hypersensitivity of chromatin and 3) inter-species conservation...
March 2018: Journal of Cell Communication and Signaling
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