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Journal of Cell Communication and Signaling

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https://www.readbyqxmd.com/read/28220297/what-roles-do-colon-stem-cells-and-gap-junctions-play-in-the-left-and-right-location-of-origin-of-colorectal-cancers
#1
James E Trosko, Heinz-Josef Lenz
This "Commentary" examines an important clinical observation that right-sided colorectal cancers appear less treatable than the left-sided cancers. The concepts of (a) the "initiation/promotion/progression" process, (b) the stem cell hypothesis, (c) the role gap junctional intercellular communication, (d) cancer cells lacking GJIC either because of the non-expression of connexin genes or of non-functional gap junction proteins, and (e) the role of the microbiome in promoting initiated colon stem cells to divide symmetrically or asymmetrically are examined to find an explanation...
February 20, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28220296/cross-species-communication-in-bacterial-world
#2
REVIEW
Sarangam Majumdar, Sukla Pal
Biofilms are the compact association of micro organisms and the communication processes in these biofilms are always a wonder. Electrical and chemical signaling mechanism are the key to understand the bacterial communication network. Quorum sensing so far has been able to explain the coordinated motion of bacteria through its chemical signaling mechanism. Bacteria residing within biofilm communities are trivial to communicate. But the recent observation in 2017 by Humphries et al. has revealed that the ion channels enabled electrical signaling mechanism can be as powerful as to attract the distant cells i...
February 20, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28215004/questionable-papers-in-citation-databases-as-an-issue-for-literature-review
#3
Mehdi Dadkhah, Mohammad Lagzian, Glenn Borchardt
In recent years, the academic world has been faced with much academic misconduct. Examples involve plagiarizing papers, manipulating data, and launching predatory or hijacked journals. The literature exposing these activities is growing exponentially, and so is the presentation of criteria or guidelines for counteracting the problem. Most of the research is focused on predatory or hijacked journal detection and providing suitable warnings. Overlooked in all this is the fact that papers published in these journals are questionable, but nevertheless show up in standard citation databases...
February 18, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28210941/b-lymphocytes-in-renal-interstitial-fibrosis
#4
REVIEW
Fengge Zhu, Xueyuan Bai, Xiangmei Chen
Fibrosis is defined as an excessive deposition of extracellular matrix (ECM), which leads to the destruction of organ structure and impairment of organ function. Fibrosis occurs not only in kidney but also in lung, liver, heart, and skin. Common pathways of fibrosis are thought to exist. Renal interstitial fibrosis is a complex process that involves multiple molecular signaling and multiple cellular components, in which B cells appear to be one of the emerging important players. B cells may affect fibrosis through cytokine production and through interaction with other cells including fibroblasts, macrophages and T cells...
February 16, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28197966/signaling-pathway-involved-in-the-inhibitory-effect-of-fty720p-on-the-na-k-atpase-in-hepg2-cells
#5
Nadine Al Alam, Sawsan Ibrahim Kreydiyyeh
The Na(+)/K(+) ATPase modulates the activity of many transporters in the liver, and maintains the ionic constancy of the intracellular milieu, preserving thus normal functioning of hepatocytes. Previous work showed that FTY720P, a sphingosine one phosphate receptor agonist used in the treatment of multiple sclerosis, exerts in HepG2 cells, an inhibitory effect on the activity of the ATPase, mediated via PGE2. This study is an attempt to identify the signaling molecules involved downstream of the prostaglandin...
February 14, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28185215/the-apoptotic-inducible-effects-of-salicylic-acid-on-hepatoma-cell-line-relationship-with-nitric-oxide-signaling
#6
Yahui Liu, Yong Wang, Yue Hu, Shuxiong Ge, Keshi Li, Shuangshuang Wang, Li Li
Clinical and experimental data suggest that salicylic acid (SA) is tumor preventive and NO has a multitude of effects on tumor biology. Therefore, firstly, the aim of our study is to explore the important role of SA in apoptotic induction of liver cancer cells. Secondly, we investigate whether SA mediates the anti-tumor effects by NO signaling pathway. The liver cancer cell line was treated with different concentrations of SA. Cell proliferation was tested using MTS assay and cell apoptosis was assessed by flow cytometry...
February 9, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28168348/insights-into-cellular-signalling-by-g-protein-coupled-receptor-transactivation-of-cell-surface-protein-kinase-receptors
#7
REVIEW
Rebecca Chaplin, Lyna Thach, Morley D Hollenberg, Yingnan Cao, Peter J Little, Danielle Kamato
G protein coupled receptor (GPCR) signalling is mediated by transactivation independent and transactivation dependent pathways. GPCRs transactivate protein tyrosine kinase receptors (PTKRs) and protein serine/threonine kinase receptors (PS/TKR). Since the initial observations of transactivation dependent signalling, there has been an effort to understand the mechanisms behind this phenomena. GPCR signalling has evolved to include biased signalling. Biased signalling, whereby selected ligands can activate the same GPCR that can generate multiple signals, but drive only a unique response...
February 6, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28160135/1-25-oh-2-vitamin-d3-signalling-on-immature-rat-sertoli-cells-gamma-glutamyl-transpeptidase-and-glucose-metabolism
#8
Renata Gonçalves, Ariane Zamoner, Leila Zanatta, Ana Paula Zanatta, Aline Pertile Remor, Débora da Luz Scheffer, Alexandra Latini, Fátima Regina Mena Barreto Silva
1α,25-Dihydroxyvitamin D3 (1,25-D3) is critical for the maintenance of normal male reproduction since reduced fertility is observed in vitamin D-deficient rats. Gamma-glutamyl transpeptidase (GGT) is a membrane-bound enzyme that is localized on Sertoli cells and catalyses the transfer of the gamma-glutamyl residues to an amino acid or peptide acceptor. Sertoli cells are also responsible for providing nutrients, as lactate, to the development of germ cells. The aim of this study was to investigate the effect and the mechanism of action of 1,25-D3 on GGT on Sertoli cell functions from 30-day-old immature rat testis...
February 3, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28155112/neuroscience-and-psychological-studies-sustain-the-cognitive-benefits-of-print-reading
#9
EDITORIAL
Bernard Perbal
On behalf of the Journal of Cell Communication and Signaling Editorial board it is my great pleasure to present through this message of peace and love our warmest wishes of health, happiness and professional success. We sincerely hope that 2017 will be a peaceful year worldwide and that solutions will be brought to resolve the great tensions that crystalized last year into terrible acts of violence which reflected the inability of the political powers to bring satisfactory solutions to human dispair and fear...
February 2, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28144772/a-combined-opiate-agonist-and-antagonist-treatment-reduces-prolactin-secreting-pituitary-tumor-growth
#10
George Maglakelidze, Olivia Wynne, Dipak K Sarkar
Prolactin secreting pituitary adenomas (prolactinomas) is the most common pituitary tumors in humans. Animal studies have identified aggressive prolactinoma development in fetal alcohol exposed rats. We have recently identified a combination treatment of a μ opioid receptor antagonist naltrexone and a δ opioid receptor agonist D-Ala2-,N-Me-Phe4,Gly-ol Enkephalin (DPDPE) increases innate immune function. In this study, we tested whether naltrexone and DPDPE combination therapy is useful to control pituitary tumor growth...
January 31, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28132118/regulation-of-pancreatic-%C3%AE-cell-function-and-mass-dynamics-by-prostaglandin-signaling
#11
REVIEW
Bethany A Carboneau, Richard M Breyer, Maureen Gannon
Prostaglandins (PGs) are signaling lipids derived from arachidonic acid (AA), which is metabolized by cyclooxygenase (COX)-1 or 2 and class-specific synthases to generate PGD2, PGE2, PGF2α, PGI2 (prostacyclin), and thromboxane A2. PGs signal through G-protein coupled receptors (GPCRs) and are important modulators of an array of physiological functions, including systemic inflammation and insulin secretion from pancreatic islets. The role of PGs in β-cell function has been an active area of interest, beginning in the 1970s...
January 28, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28120184/application-of-unique-sequence-index-usi-barcode-to-gene-expression-profiling-in-gastric-adenocarcinoma
#12
Sadegh Fattahi, Maryam Pilehchian Langroudi, Ali Akbar Samadani, Novin Nikbakhsh, Mohsen Asouri, Haleh Akhavan-Niaki
Accurate expression profiling is imperative for understanding the biological roles of mRNAs. Real-time PCR have been at the forefront of biological innovation in detection and monitoring of gene expression, however, fluorophore-labeled oligonucleotides and double-stranded DNA binding dyes, the two most frequently used dyes in RNA detection, are not very cost effective and have poor specificity, respectively. We have developed a cost effective and specific approach for mRNA expression profiling via added unique sequence index (USI) to cDNAs before amplification...
January 24, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28101818/autophagy-is-a-regulator-of-trail-induced-apoptosis-in-nsclc-a549-cells
#13
Yuqing Chen, Xin Zhou, Jianou Qiao, Aihua Bao
Autophagy, a catabolic process by which cytoplasmic components are degraded in lysosomes, plays an important role in the maintenance of cellular homeostasis. Dysregulation of autophagy is associated with several diseases. However, few studies have addressed the role of autophagy in the lung, and its role in lung diseases remains unclear. In the present study, we examined the effect of tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) on autophagy in A549 cells and explored the underlying mechanisms...
January 18, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28070797/inhibition-of-mt1-mmp-proteolytic-function-and-erk1-2-signalling-influences-cell-migration-and-invasion-through-changes-in-mmp-2-and-mmp-9-levels
#14
Mario A Cepeda, Caitlin L Evered, Jacob J H Pelling, Sashko Damjanovski
Membrane type-1 matrix metalloproteinase (MT1-MMP, MMP-14) is a unique protease that cleaves extracellular proteins, activates proMMPs, and initiates intracellular signalling. MCF-7 cells are non-invasive and deficient in MT1-MMP, MMP-2, and MMP-9 expression. We created an MCF-7 cell line (C2) that stably produces active MT1-MMP and demonstrated increased ERK1/2 phosphorylation. MAPK inhibition in this cell line showed an inverse relationship in MMP-2 and MMP-9 transcripts where levels of these genes increased and decreased, respectively...
January 9, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28013443/periostin-is-required-for-matricellular-localization-of-ccn3-in-periodontal-ligament-of-mice
#15
Issei Takayama, Hideyuki Tanabe, Takashi Nishiyama, Harumi Ito, Norio Amizuka, Minqi Li, Ken-Ichi Katsube, Isao Kii, Akira Kudo
CCN3 is a matricellular protein that belongs to the CCN family. CCN3 consists of 4 domains: insulin-like growth factor-binding protein-like domain (IGFBP), von Willebrand type C-like domain (VWC), thrombospondin type 1-like domain (TSP1), and the C-terminal domain (CT) having a cysteine knot motif. Periostin is a secretory protein that binds to extracellular matrix proteins such as fibronectin and collagen. In this study, we found that CCN3 interacted with periostin. Immunoprecipitation analysis revealed that the TSP1-CT interacted with the 4 repeats of the Fas 1 domain of periostin...
December 24, 2016: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28000149/fibro-adipogenic-progenitors-safeguard-themselves-a-novel-mechanism-to-reduce-fibrosis-is-discovered
#16
Osvaldo Contreras, Enrique Brandan
PDGFRα regulates several cellular processes, and exacerbated PDGF signaling cause fibrosis in different tissues. Different research groups have shown that fibro/adipogenic progenitors (FAPs) are responsible for pathological fibrosis found in skeletal muscle disorders. Rando's Lab describes that an intronic polyadenylation of Pdgfra regulates FAPs activity, and therefore fibrosis. This discovery opens a new potential target for treating fibrosis.
December 20, 2016: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/27975162/the-regulatory-role-of-heparin-on-c-met-signaling-in-hepatocellular-carcinoma-cells
#17
Evin İşcan, Aysim Güneş, Peyda Korhan, Yeliz Yılmaz, Esra Erdal, Neşe Atabey
The role of heparin as an anticoagulant is well defined; however, its role in tumorigenesis and tumor progression is not clear yet. Some studies have shown that anticoagulant treatment in cancer patients improve overall survival, however, recent clinical trials have not shown a survival benefit in cancer patients receiving heparin treatment. In our previous studies we have shown the inhibitory effects of heparin on Hepatocyte Growth Factor (HGF)-induced invasion and migration in hepatocellular carcinoma (HCC) cells...
December 14, 2016: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/27943034/hedgehog-the-key-to-maintaining-adult-lung-repair-and-regeneration
#18
Amruthansh Sriperumbudur, Mason Breitzig, Richard Lockey, Narasaiah Kolliputi
No abstract text is available yet for this article.
December 12, 2016: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/27905054/crosstalk-between-shh-and-stemness-state-signaling-pathways-in-esophageal-squamous-cell-carcinoma
#19
Maryam Najafi, Mohammad Reza Abbaszadegan, Abolfazl Rad, Mahtab Dastpak, Samaneh Boroumand-Noughabi, Mohammad Mahdi Forghanifard
The expression of GLI1 as a downstream gene of sonic hedgehog (Hh) pathway, studied in a variety of cancers including esophageal squamous cell carcinoma (ESCC). However, the interaction of Hh with other developmental pathways needs to be elucidated. In this study, we aimed to investigate the correlation of GLI1 expression with transcription factors (TFs) of stem cell signaling pathways, and their association with clinico-pathological data of ESCC. Using real-time PCR, we assessed the expression of GLI1 mRNA in 49 ESCC patients, and analyzed the correlation between GLI1 and selected TFs...
November 30, 2016: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/27822878/to-flush-or-not-to-flush-%C3%A2-that-is-a-question
#20
Bernard Perbal
The human gut microflora has drawn a lot of attention as a potent therapeutic tool for many decades. More recently, efforts have been developed to devise efficient ways of complementing or replacing deficient intestinal microflora associated with intestinal diseases that are resistant to conventional medical treatments. Aside from the medical and industrial applications that emerged from the use of gut microbiota, the complex constitution of this ecosystem raises fascinating questions regarding host-cell communication and host response mechanisms to the ever changing environment...
December 2016: Journal of Cell Communication and Signaling
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