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Signaling pathways AND Review

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https://www.readbyqxmd.com/read/27921148/metabolites-deciphering-the-molecular-language-between-dcs-and-their-environment
#1
REVIEW
Lucía Minarrieta, Peyman Ghorbani, Tim Sparwasser, Luciana Berod
Dendritic cells (DCs) determine the outcome of the immune response based on signals they receive from the environment. Presentation of antigen under various contexts can lead to activation and differentiation of T cells for immunity or dampening of immune responses by establishing tolerance, primarily through the priming of regulatory T cells. Infections, inflammation and normal cellular interactions shape DC responses through direct contact or via cytokine signaling. Although it is widely accepted that DCs sense microbial components through pattern recognition receptors (PRRs), increasing evidence advocates for the existence of a set of signals that can profoundly shape DC function via PRR-independent pathways...
December 5, 2016: Seminars in Immunopathology
https://www.readbyqxmd.com/read/27921039/clinical-manifestation-and-management-of-adpkd-in-western-countries
#2
REVIEW
Claudia Sommerer, Martin Zeier
BACKGROUND: Autosomal dominant polycystic kidney disease (ADPKD) is the most common hereditary kidney disease in Western countries. The prevalence is between 2.4/10,000 and 3.9/10,000. ADPKD represents a systemic disease resulting in deterioration in renal function. Until now, mutations in two genes (PKD1 and PKD2) have been identified. Recently, the European Medicines Agency (EMA) approved the use of the vasopressin V2 receptor antagonist tolvaptan to slow the progression of cyst development and renal insufficiency connected with ADPKD in adult patients with chronic kidney disease stages 1-3 at initiation of treatment with evidence of rapidly progressing disease...
October 2016: Kidney Diseases
https://www.readbyqxmd.com/read/27920038/tgf-%C3%AE-family-signaling-in-the-control-of-cell-proliferation-and-survival
#3
Yun Zhang, Peter B Alexander, Xiao-Fan Wang
The transforming growth factor β (TGF-β) family controls many fundamental aspects of cellular behavior. With advances in the molecular details of the TGF-β signaling cascade and its cross talk with other signaling pathways, we now have a more coherent understanding of the cytostatic program induced by TGF-β. However, the molecular mechanisms are still largely elusive for other cellular processes that are regulated by TGF-β and determine a cell's proliferation and survival, apoptosis, dormancy, autophagy, and senescence...
December 5, 2016: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/27919797/maximising-the-potential-of-akt-inhibitors-as-anti-cancer-treatments
#4
REVIEW
Jessica S Brown, Udai Banerji
PI3K/AKT signalling is commonly disrupted in human cancers, with AKT being a central component of the pathway, influencing multiple processes that are directly involved in tumourigenesis. Targeting AKT is therefore a highly attractive anti-cancer strategy with multiple AKT inhibitors now in various stages of clinical development. In this review, we summarise the role and regulation of AKT signalling in normal cellular physiology. We highlight the mechanisms by which AKT signalling can be hyperactivated in cancers and discuss the past, present and future clinical strategies for AKT inhibition in oncology...
December 2, 2016: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27919796/the-bad-seed-gardener-deubiquitinases-in-the-cancer-stem-cell-signaling-network-and-therapeutic-resistance
#5
REVIEW
Guan-Zhong Qiu, Wei Sun, Ming-Zhu Jin, Jing Lin, Pei-Gang Lu, Wei-Lin Jin
Tumors are comprised of highly heterogeneous populations of cells, of which only a small subset of stem-like cells possess the ability to regenerate tumors in vivo. These rare cancer stem cells (CSCs) have been regarded as the "bad seeds" accounted for tumor initiation, progression, metastasis, relapse and therapeutic resistance. CSC-targeted therapy seems to be a better avenue for radical cure of cancer. Deubiquitinases (DUBs), specifically disassembling ubiquitin chains, have been demonstrated to play an important role in rigidly maintaining the balance between ubiquitination and deubiquitination for protein quality control and homeostasis in normal circumstances...
December 2, 2016: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27919524/demystifying-the-cytokine-network-mathematical-models-point-the-way
#6
REVIEW
Penelope A Morel, Robin E C Lee, James R Faeder
Cytokines provide the means by which immune cells communicate with each other and with parenchymal cells. There are over one hundred cytokines and many exist in families that share receptor components and signal transduction pathways, creating complex networks. Reductionist approaches to understanding the role of specific cytokines, through the use of gene-targeted mice, have revealed further complexity in the form of redundancy and pleiotropy in cytokine function. Creating an understanding of the complex interactions between cytokines and their target cells is challenging experimentally...
December 2, 2016: Cytokine
https://www.readbyqxmd.com/read/27919336/tissue-reactions-to-ionizing-radiation-oral-mucosa
#7
Sylvia Gruber, Wolfgang Dörr
Radiotherapy is one of the most effective treatment strategies for solid malignancies, including head-and-neck tumors (HNT). Oral mucositis is the most frequent, often dose-limiting early adverse event of radio(chemo)therapy for HNT. The oral mucosal response is - like that of typical turnover tissues - based on radiation-induced impairment of epithelial proliferation and cell production, in face of ongoing physiological cell differentiation and cell loss, consequently resulting in hypoplasia and eventually mucosal ulceration...
October 2016: Mutation Research
https://www.readbyqxmd.com/read/27919208/is-metformin-a-therapeutic-paradigm-for-colorectal-cancer-insight-into-the-molecular-pathway
#8
Zar Chii Thent, Nurul Hannim Zaidun, Fairuz Azmi, Mu Izuddin Senin, Haszianaliza Haslan, Ahmad Ruzain Salehuddin
Colorectal cancer (CRC) remains one of the major leading causes of cancer related morbidity and mortality. Apart from the conventional anti-neoplastic agents, metformin, a biguanide anti-diabetic agent, has recently found to have anti-cancer property. Several studies observed the effect of metformin towards its anti-cancer effect on colon or colorectal cancer in diabetic patients. However, only a few studies showed its effect on colorectal cancer in relation to the non-diabetic status. The present review aimed to highlight the insight into the molecular pathway of metformin towards colorectal cancer in the absence of diabetes mellitus...
December 5, 2016: Current Drug Targets
https://www.readbyqxmd.com/read/27918797/going-nuclear-evidence-implicating-the-cell-nucleus-in-mechanotransduction
#9
Spencer E Szczesny, Robert L Mauck
Biophysical stimuli presented to cells via micro-environmental properties (e.g., alignment, stiffness) or external forces have a significant impact on their function and behavior. Recently, the cell nucleus has been identified as a mechano-responsive organelle that contributes to the perception and response to mechanical stimuli. However, the specific mechanotransduction mechanisms that mediate these effects have not been clearly defined. Here, we review the evidence supporting (and refuting) three hypothetical nuclear mechanotransduction mechanisms: physical reorganization of chromatin, signaling at the nuclear envelope, and altered cytoskeletal structure/tension due to nuclear remodeling...
December 3, 2016: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/27917547/pituitary-stalk-interruption-syndrome-from-clinical-findings-to-pathogenesis
#10
REVIEW
Cheng-Zhi Wang, Ling-Ling Guo, Bai-Yu Han, Xing Su, Qing-Hua Guo, Yi-Ming Mu
Pituitary stalk interruption syndrome is a rare congenital defect manifesting with varying degrees of pituitary hormone deficiency. The signs and symptoms of PSIS during the neonatal period and infancy are often overlooked and therefore diagnosis is delayed. The typical manifestations of PSIS can be detected by magnetic resonance imaging. Several genes in Wnt, Notch and Shh signaling pathways related to hypothalamic-pituitary development, such as PIT1, PROP1, LHX3/LHX4, PROKR2, OTX2, TGIF and HESX1, have been found to be associated with PSIS...
December 5, 2016: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/27917262/toll-like-receptors-in-pathophysiology-of-liver-diseases
#11
REVIEW
Safak Kiziltas
Toll-like receptors (TLRs) are pattern recognition receptors that participate in host defense by recognizing pathogen-associated molecular patterns alongside inflammatory processes by recognizing damage associated molecular patterns. Given constant exposure to pathogens from gut, strict control of TLR-associated signaling pathways is essential in the liver, which otherwise may lead to inappropriate production of pro-inflammatory cytokines and interferons and may generate a predisposition to several autoimmune and chronic inflammatory diseases...
November 18, 2016: World Journal of Hepatology
https://www.readbyqxmd.com/read/27916803/advances-in-lipidomics-for-cancer-biomarkers-discovery
#12
REVIEW
Francesca Perrotti, Consuelo Rosa, Ilaria Cicalini, Paolo Sacchetta, Piero Del Boccio, Domenico Genovesi, Damiana Pieragostino
Lipids play critical functions in cellular survival, proliferation, interaction and death, since they are involved in chemical-energy storage, cellular signaling, cell membranes, and cell-cell interactions. These cellular processes are strongly related to carcinogenesis pathways, particularly to transformation, progression, and metastasis, suggesting the bioactive lipids are mediators of a number of oncogenic processes. The current review gives a synopsis of a lipidomic approach in tumor characterization; we provide an overview on potential lipid biomarkers in the oncology field and on the principal lipidomic methodologies applied...
November 28, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27916680/the-role-of-micrornas-in-heart-failure
#13
REVIEW
Hongjiang Wang, Jun Cai
MicroRNAs are small non-coding RNA molecules that regulate gene expression by inhibiting mRNA translation and/or inducing mRNA degradation. In the past decade, many in vitro and in vivo studies have explored the involvement of microRNAs in various cardiovascular diseases. In this paper, studies focused upon the target genes and functionality of miRNAs in the pathophysiological processes of heart failure are reviewed. The selected miRNAs are categorized according to the biological relevance of their target genes in relation to four cardiovascular pathologies, namely angiogenesis, cardiac hypertrophy, fibrosis and apoptosis...
December 1, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27916556/micrornas-mediated-epithelial-mesenchymal-transition-in-fibrotic-diseases
#14
REVIEW
Xiao-Zhou Zou, Ting Liu, Zhi-Cheng Gong, Chang-Ping Hu, Zheng Zhang
MicroRNAs (miRNAs), a large family of small and highly conserved non-coding RNAs, regulate gene expression through translational repression or mRNA degradation. Aberrant expression of miRNAs underlies a spectrum of diseases including organ fibrosis. Recent evidence suggests that miRNAs contribute to organ fibrosis through mediating epithelial-mesenchymal transition (EMT). Alleviation of EMT has been proposed as a promising strategy against fibrotic diseases given the key role of EMT in fibrosis. miRNAs impact the expression of specific ligands, receptors, and signaling pathways, thus modulating EMT and consequently influencing fibrosis...
December 1, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27916529/applications-and-limitations-of-mouse-models-for-understanding-human-atherosclerosis
#15
REVIEW
Moritz von Scheidt, Yuqi Zhao, Zeyneb Kurt, Calvin Pan, Lingyao Zeng, Xia Yang, Heribert Schunkert, Aldons J Lusis
Most of the biological understanding of mechanisms underlying coronary artery disease (CAD) derives from studies of mouse models. The identification of multiple CAD loci and strong candidate genes in large human genome-wide association studies (GWASs) presented an opportunity to examine the relevance of mouse models for the human disease. We comprehensively reviewed the mouse literature, including 827 literature-derived genes, and compared it to human data. First, we observed striking concordance of risk factors for atherosclerosis in mice and humans...
November 17, 2016: Cell Metabolism
https://www.readbyqxmd.com/read/27916026/role-of-cyclic-amp-in-the-eye-of-glaucoma
#16
Myoung Sup Shim, Keun-Young Kim, Won-Kyu Ju
Glaucoma is characterized by a slow and progressive degeneration of optic nerve, including retinal ganglion cell (RGC) axons in the optic nerve head (ONH), leading to visual impairment. Despite the high prevalence, the biological basis of glaucoma pathogenesis still is not yet fully understood, and the factors contributing to its progression are currently not well characterized. Intraocular pressure (IOP) is the only modifiable risk factor, and reduction of IOP is the standard treatment for glaucoma. However, lowering IOP itself is not always effective for preserving visual function in patients with primary open-angle glaucoma...
December 5, 2016: BMB Reports
https://www.readbyqxmd.com/read/27916025/the-role-of-the-extracellular-biophysical-cues-in-modulating-hippo-yap-pathway
#17
Jung-Soon Mo
The Hippo signaling pathway plays an essential role in adult tissue homeostasis and organ size control. In Drosophila and vertebrates, it consists of a highly conserved kinase cascade, which involve MST and Lats that negatively regulate the activity of downstream transcription coactivators, YAP and TAZ. Through its interaction with TEADs and other transcription factors, they mediate both proliferative and antiapoptotic gene expression and thus regulate tissue repair and regeneration. Dysregulation or mutation of the Hippo pathway is linked to tumorigenesis and cancer development...
December 5, 2016: BMB Reports
https://www.readbyqxmd.com/read/27915976/strategies-to-strike-survival-networks-in-cancer
#18
Marzia Pennati, Graziella Cimino-Reale, Laura Gatti, Giuliana Cassinelli
The machinery that maintains cellular and tissue homeostasis in a healthy individual is recruited and hijacked by cancer cells to support tumor growth and progression. Activation of often unpredictable alternative or complementary signaling pathways allows cancer cells to bypass the intrinsic self-destructive machinery and the limited replicative potential present in every cell for correct homeostasis maintenance. Therefore, evasion/resistance to apoptosis/cell death, self-sufficiency in growth/survival signals, and limitless replicative potential remain undoubted hallmarks of cancer, contributing to drug resistance...
2016: Critical Reviews in Oncogenesis
https://www.readbyqxmd.com/read/27915972/resistance-to-cell-death-and-its-modulation-in-cancer-stem-cells
#19
Ahmad R Safa
Accumulating evidence has demonstrated that human cancers arise from various tissues of origin that initiate from cancer stem cells (CSCs) or cancer-initiating cells. The extrinsic and intrinsic apoptotic pathways are dysregulated in CSCs, and these cells play crucial roles in tumor initiation, progression, cell death resistance, chemo- and radiotherapy resistance, and tumor recurrence. Understanding CSC-specific signaling proteins and pathways is necessary to identify specific therapeutic targets that may lead to the development of more efficient therapies selectively targeting CSCs...
2016: Critical Reviews in Oncogenesis
https://www.readbyqxmd.com/read/27915478/targeting-the-phosphatidylinositol-3-kinase-pathway-in-gastric-cancer-can-omics-improve-outcomes
#20
REVIEW
Phu Tran, Cham Nguyen, Samuel J Klempner
Phosphatidylinositol-3-kinase (PI3K) pathway signaling is an established oncogenic signal transduction pathway implicated in multiple malignancies. Therapeutic targeting of PI3K pathway components has improved outcomes in chronic lymphocytic leukemia, kidney cancer, breast cancer, and neuroendocrine tumors. Gastric cancers harbor some of the highest rates of oncogenic alterations in PI3K but attempts to translate this genomic observation have met with limited clinical success and novel approaches are needed...
November 2016: International Neurourology Journal
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