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Signaling pathways AND Review

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https://www.readbyqxmd.com/read/28812986/epigenome-aberrations-emerging-driving-factors-of-the-clear-cell-renal-cell-carcinoma
#1
REVIEW
Ali Mehdi, Yasser Riazalhosseini
Clear cell renal cell carcinoma (ccRCC), the most common form of Kidney cancer, is characterized by frequent mutations of the von Hippel-Lindau (VHL) tumor suppressor gene in ~85% of sporadic cases. Loss of pVHL function affects multiple cellular processes, among which the activation of hypoxia inducible factor (HIF) pathway is the best-known function. Constitutive activation of HIF signaling in turn activates hundreds of genes involved in numerous oncogenic pathways, which contribute to the development or progression of ccRCC...
August 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28812968/jnk-pathway-in-osteoarthritis-pathological-and-therapeutic-aspects
#2
Hong-Xing Ge, Fu-Man Zou, Yan Li, An-Min Liu, Min Tu
CONTEXT: Osteoarthritis (OA) is a common chronic degenerative joint disease resulting in physical disability and reduced quality of life. Different biochemical signaling pathways are involved in the progression of OA, including the c-Jun NH2-terminal kinase (JNK) signal transduction pathway. OBJECTIVE: In this study, we have reviewed the recent updates on the association of JNK pathway with OA. METHODS: In this review, we have explored the databases like PubMed, Google Scholar, Medline, Scopus, etc...
October 2017: Journal of Receptor and Signal Transduction Research
https://www.readbyqxmd.com/read/28812263/molecular-basis-of-oxytocin-receptor-signalling-in-the-brain-what-we-know-and-what-we-need-to-know
#3
Marta Busnelli, Bice Chini
Oxytocin (OT), a hypothalamic neuropeptide involved in regulating the social behaviour of all vertebrates, has been proposed as a treatment for a number of neuropsychiatric disorders characterised by deficits in the social domain. Over the last few decades, advances focused on understanding the social effects of OT and its role in physiological conditions and brain diseases, but much less has been done to clarify the molecular cascade of events involved in mediating such effects and in particular the cellular and molecular pharmacology of OT and its target receptor (OTR) in neuronal and glial cells...
August 16, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28811383/interleukin-36-cytokines-may-overcome-microbial-immune-evasion-strategies-that-inhibit-interleukin-1-family-signaling
#4
REVIEW
Liselotte E Jensen
Pathogens deploy immune evasion strategies to successfully establish infections within their hosts. Naturally, the host responds by acquiring mechanisms to counter these strategies. There is increasing evidence that the three interleukin-36 (IL-36) cytokines, IL-36α, IL-36β and IL-36γ, play important roles in host immunity. With a focus on the skin as a target for microbial and viral invasion, the current knowledge of IL-36 functions is reviewed. Furthermore, the hypothesis that the IL-36s have evolved to counteract virulence factors is presented using viruses as an example...
August 15, 2017: Science Signaling
https://www.readbyqxmd.com/read/28811300/epigenetic-regulation-by-the-menin-pathway
#5
Zijie Feng, Jian Ma, Xianxin Hua
There is a trend of increasing prevalence of neuroendocrine tumors (NETs), and the inherited multiple endocrine neoplasia type 1 (MEN1) syndrome serves as a genetic model to investigate how NETs develop and the underlying mechanisms. Menin, encoded by the MEN1 gene, at least partly acts as a scaffold protein by interacting with multiple partners to regulate cellular homeostasis of various endocrine organs. Menin has multiple functions including regulating several important signaling pathways by controlling gene transcription...
August 15, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28811163/climate-change-co2-and-defense-the-metabolic-redox-and-signaling-perspectives
#6
REVIEW
Graham Noctor, Amna Mhamdi
Ongoing human-induced changes in the composition of the atmosphere continue to stimulate interest in the effects of high CO2 on plants, but its potential impact on inducible plant defense pathways remains poorly defined. Recently, several studies have reported that growth at elevated CO2 is sufficient to induce defenses such as the salicylic acid pathway, thereby increasing plant resistance to pathogens. These reports contrast with evidence that defense pathways can be promoted by photorespiration, which is inhibited at high CO2...
August 12, 2017: Trends in Plant Science
https://www.readbyqxmd.com/read/28810528/neuroprotection-of-bradykinin-bradykinin-b2-receptor-system-in-cerebral-ischemia
#7
REVIEW
Bingyuan Ji, Baohua Cheng, Yanyou Pan, Chunmei Wang, Jing Chen, Bo Bai
Bradykinin B2 receptor (B2R) activated by its endogenous ligand bradykinin participates in various physiological processes including neurogenesis, neuronal differentiation, and control of inflammation and blood pressure. Besides these effects, B2R has been demonstrated to protect neurons from ischemia/reperfusion (I/R) injury. Here, we highlight the mechanisms of BK/B2R-mediated neuroprotective effects in the peripheral and central nervous systems. Moreover, this review article summarizes some of the signaling pathways of B2R in cerebral ischemia, leading to a better understanding of its neuroprotection...
August 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28808893/epigenetics-and-bone-remodeling
#8
REVIEW
Ali Husain, Matlock A Jeffries
PURPOSE OF REVIEW: Bone remodeling is a diverse field of study with many direct clinical applications; past studies have implicated epigenetic alterations as key factors of both normal bone tissue development and function and diseases of pathologic bone remodeling. The purpose of this article is to review the most important recent advances that link epigenetic changes to the bone remodeling field. RECENT FINDINGS: Epigenetics describes three major phenomena: DNA modification via methylation, histone side chain modifications, and short non-coding RNA sequences which work in concert to regulate gene transcription in a heritable fashion...
August 14, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28808415/foxo-signaling-pathways-as-therapeutic-targets-in-cancer
#9
REVIEW
Mohd Farhan, Haitao Wang, Uma Gaur, Peter J Little, Jiangping Xu, Wenhua Zheng
Many transcription factors play a key role in cellular differentiation and the delineation of cell phenotype. Transcription factors are regulated by phosphorylation, ubiquitination, acetylation/deacetylation and interactions between two or more proteins controlling multiple signaling pathways. These pathways regulate different physiological processes and pathological events, such as cancer and other diseases. The Forkhead box O (FOXO) is one subfamily of the fork head transcription factor family with important roles in cell fate decisions and this subfamily is also suggested to play a pivotal functional role as a tumor suppressor in a wide range of cancers...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28808102/recruitment-of-pre-existing-networks-during-the-evolution-of-c4-photosynthesis
#10
REVIEW
Ivan Reyna-Llorens, Julian M Hibberd
During C4 photosynthesis, CO2 is concentrated around the enzyme RuBisCO. The net effect is to reduce photorespiration while increasing water and nitrogen use efficiencies. Species that use C4 photosynthesis have evolved independently from their C3 ancestors on more than 60 occasions. Along with mimicry and the camera-like eye, the C4 pathway therefore represents a remarkable example of the repeated evolution of a highly complex trait. In this review, we provide evidence that the polyphyletic evolution of C4 photosynthesis is built upon pre-existing metabolic and genetic networks...
September 26, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28807941/the-rac-gtpase-in-cancer-from-old-concepts-to-new-paradigms
#11
Marcelo G Kazanietz, María-José Caloca
Rho family GTPases are critical regulators of cellular functions that play important roles in cancer progression. Aberrant activity of Rho small G-proteins, particularly Rac1 and their regulators, is a hallmark of cancer, and contributes to the tumorigenic and metastatic phenotypes of cancer cells. This review examines the multiple mechanisms leading to Rac1 hyperactivation, particularly focusing on emerging paradigms that involve gain-of-function mutations in Rac and guanine nucleotide exchange factors (GEFs), defects in Rac1 degradation, and mislocalization of Rac signaling components...
August 14, 2017: Cancer Research
https://www.readbyqxmd.com/read/28807816/mtor-in-down-syndrome-role-in-a%C3%A3-and-tau-neuropathology-and-transition-to-alzheimer-disease-like-dementia
#12
REVIEW
Fabio Di Domenico, Antonella Tramutola, Cesira Foppoli, Elisabeth Head, Marzia Perluigi, D Allan Butterfield
The mammalian target of rapamycin (mTOR) is a serine/threonine protein kinase involved in the regulation of protein synthesis and degradation, longevity and cytoskeletal formation. The mTOR pathway represents a key growth and survival pathway involved in several diseases such as cancer, obesity, cardiovascular disease and neurodegenerative diseases. Numerous studies linked the alterations of mTOR pathway to age-dependent cognitive decline, pathogenesis of Alzheimer disease (AD) and AD-like dementia in Down syndrome (DS)...
August 11, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28807717/myofibroblast-transdifferentiation-the-dark-force-in-ocular-wound-healing-and-fibrosis
#13
REVIEW
Daisy Y Shu, Frank J Lovicu
Wound healing is one of the most complex biological processes to occur in life. Repair of tissue following injury involves dynamic interactions between multiple cell types, growth factors, inflammatory mediators and components of the extracellular matrix (ECM). Aberrant and uncontrolled wound healing leads to a non-functional mass of fibrotic tissue. In the eye, fibrotic disease disrupts the normally transparent ocular tissues resulting in irreversible loss of vision. A common feature in fibrotic eye disease is the transdifferentiation of cells into myofibroblasts that can occur through a process known as epithelial-mesenchymal transition (EMT)...
August 12, 2017: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/28807562/targeting-signal-transducers-and-activators-of-transcription-stat-in-human-cancer-by-dietary-polyphenolic-antioxidants
#14
REVIEW
Hamed Amani, Marjan Ajami, Solmaz Nasseri Maleki, Hamidreza Pazoki-Toroudi, Maria Daglia, Arold Jorel Tsetegho Sokeng, Arianna Di Lorenzo, Seyed Fazel Nabavi, Kasi Pandima Devi, Seyed Mohammad Nabavi
Over the course of the last three decades, a large body of evidence has shown that polyphenols, the secondary metabolites occurring in plant foods and beverages, exert protective effects due to their antioxidant activity mediated through different mechanisms ranging from direct radical scavenging and metal chelating activities, to the capacity to inhibit pro-oxidant enzymes and to target specific cell-signalling pathways. In the last decade, dietary components, and polyphenols in particular have gained considerable attention as chemopreventive agents against different types of cancer...
August 11, 2017: Biochimie
https://www.readbyqxmd.com/read/28807238/unravelling-the-complexity-of-signalling-networks-in-cancer-a-review-of-the-increasing-role-for-computational-modelling
#15
REVIEW
John Garland
Cancer induction is a highly complex process involving hundreds of different inducers but whose eventual outcome is the same. Clearly, it is essential to understand how signalling pathways and networks generated by these inducers interact to regulate cell behaviour and create the cancer phenotype. While enormous strides have been made in identifying key networking profiles, the amount of data generated far exceeds our ability to understand how it all "fits together". The number of potential interactions is astronomically large and requires novel approaches and extreme computation methods to dissect them out...
September 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28807161/phytochemical-modulation-of-apoptosis-and-autophagy-strategies-to-overcome-chemoresistance-in-leukemic-stem-cells-in-the-bone-marrow-microenvironment
#16
Helen C Owen, Sandra Appiah, Noor Hasan, Lucy Ghali, Ghada Elayat, Celia Bell
Advances in scientific research and targeted treatment regimes have improved survival rates for many cancers over the past few decades. However, for some types of leukemia, including acute lymphoblastic and acute myeloid leukemia, mortality rates have continued to rise, with chemoresistance in leukemic stem cells (LSCs) being a major contributing factor. Most cancer drug therapies act by inducing apoptosis in dividing cells but are ineffective in targeting quiescent LSCs. Niches in the bone marrow, known as leukemic niches, behave as "sanctuaries" where LSCs acquire drug resistance...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28807149/muscling-in-on-trp-channels-in-vascular-smooth-muscle-cells-and-cardiomyocytes
#17
REVIEW
Lucía Alonso-Carbajo, Miklos Kecskes, Griet Jacobs, Andy Pironet, Ninda Syam, Karel Talavera, Rudi Vennekens
The human TRP protein family comprises a family of 27 cation channels with diverse permeation and gating properties. The common theme is that they are very important regulators of intracellular Ca(2+) signaling in diverse cell types, either by providing a Ca(2+) influx pathway, or by depolarising the membrane potential, which on one hand triggers the activation of voltage-gated Ca(2+) channels, and on the other limits the driving force for Ca(2+) entry. Here we focus on the role of these TRP channels in vascular smooth muscle and cardiac striated muscle...
September 2017: Cell Calcium
https://www.readbyqxmd.com/read/28806594/signaling-networks-in-the-control-of-pluripotency
#18
REVIEW
Hanzhi Zhao, Ying Jin
Embryonic stem cells (ESCs) are characterized by their ability of unlimited self-renewal in vitro and pluripotent developmental potential, which endows them with great values in basic research and future clinical application. However, realization of full potential of ESCs is dependent on the elucidation of molecular mechanisms governing ESCs, among which signaling pathways play critical roles. A great deal of efforts has been made in the past decades to understand what and how signaling pathways contribute to the establishment and maintenance of pluripotency...
August 11, 2017: Current Opinion in Genetics & Development
https://www.readbyqxmd.com/read/28806136/harnessing-olig2-function-in-tumorigenicity-and-plasticity-to-target-malignant-gliomas
#19
Jennifer Kosty, Fanghui Lu, Robert Kupp, Shwetal Mehta, Q Richard Lu
Glioblastoma (GBM) is the most prevalent and malignant brain tumor, displaying notorious resistance to conventional therapy, partially due to molecular and genetic heterogeneity. Understanding the mechanisms for gliomagenesis, tumor stem/progenitor cell propagation and phenotypic diversity is critical for devising effective and targeted therapy for this lethal disease. The basic helix-loop-helix transcription factor OLIG2, which is universally expressed in gliomas, has emerged as an important player in GBM cell reprogramming, genotoxic resistance, and tumor phenotype plasticity...
August 14, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28806133/autophagy-dictates-metabolism-and-differentiation-of-inflammatory-immune-cells
#20
Thomas Riffelmacher, Felix Clemens Richter, Anna Katharina Simon
The role of macroautophagy/autophagy, a conserved lysosomal degradation pathway, during cellular differentiation has been well studied over the last decade. Particularly, evidence for its role during immune cell differentiation is growing. Despite the description of a variety of dramatic immune phenotypes in tissue-specific autophagy knockout models, the underlying mechanisms are still under debate. One of the proposed mechanisms is the impact of autophagy on the altered metabolic states during immune cell differentiation...
August 14, 2017: Autophagy
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