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https://www.readbyqxmd.com/read/29458214/effect-of-tetrahedral-dna-nanostructures-on-proliferation-and-osteo-odontogenic-differentiation-of-dental-pulp-stem-cells-via-activation-of-the-notch-signaling-pathway
#1
Mi Zhou, Nan-Xin Liu, Si-Rong Shi, Yong Li, Qi Zhang, Quan-Quan Ma, Tao-Ran Tian, Wen-Juan Ma, Xiao-Xiao Cai, Yun-Feng Lin
Dental pulp stem cells (DPSCs) derived from the human dental pulp tissue have multiple differentiation capabilities, such as osteo/odontogenic differentiation. Therefore, DPSCs are deemed as ideal stem cell sources for tissue regeneration. As new nanomaterials based on DNA, tetrahedral DNA nanostructures (TDNs) have tremendous potential for biomedical applications. Here, the authors aimed to explore the part played by TDNs in proliferation and osteo/odontogenic differentiation of DPSCs, and attempted to investigate if these cellular responses could be driven by activating the canonical Notch signaling pathway...
February 16, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29458178/direct-convergence-of-light-and-auxin-signaling-pathways-in-arabidopsis
#2
Enamul Huq
No abstract text is available yet for this article.
February 16, 2018: Molecular Plant
https://www.readbyqxmd.com/read/29458173/deregulation-of-nrf2-are-signaling-pathway-causes-susceptibility-of-dystrophin-deficient-myotubes-to-menadione-induced-oxidative-stress
#3
Su Jin Choi, Hye Sun Kim
Duchenne muscular dystrophy (DMD) is an X chromosome-linked disorder caused by a mutation in the dystrophin gene. Many previous studies reported that the skeletal muscles of DMD patients were more susceptible to oxidative stress than those of healthy people. However, not much has been known about the responsible mechanism of the differential susceptibility. In this study, we established dystrophin knock-down (DysKD) cell lines by transfection of dystrophin shRNA lentiviral particles into C2 cells and found that DysKD myotubes are more vulnerable to menadione-induced oxidative stress than control myotubes...
February 16, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29458170/downregulation-of-metabotropic-glutamate-receptor-5-inhibits-hepatoma-development-in-a-neurotoxin-rotenone-induced-parkinson-s-disease-model
#4
Xiao Xu Bai, Li Gu, Hui Min Yang, Shao Song Xi, Ning Xia, Song Zhang, Hong Zhang
Clinical epidemiological studies have shown that there is a link between Parkinson's disease (PD) and cancer, but how PD regulates cancer development remains unknown. In our study, the effect of metabotropic glutamate receptor 5 (mGlu5 ) on hepatoma was explored in a rotenone-induced PD model both in vitro and in vivo. We found that conditioned media derived from MN9D dopaminergic neuronal cells by rotenone-induced toxicity inhibited the growth, migration, invasion and promoted apoptosis of Hepa1-6 cells, which corresponded with decreased expression of mGlu5 ...
February 16, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29458159/strawberry-extracts-efficiently-counteract-inflammatory-stress-induced-by-the-endotoxin-lipopolysaccharide-in-human-dermal-fibroblast
#5
Massimiliano Gasparrini, Francesca Giampieri, Tamara Y Forbes-Hernandez, Sadia Afrin, Danila Cianciosi, Patricia Reboredo-Rodriguez, Alfonso Varela-Lopez, JiaoJiao Zhang, Josè L Quiles, Bruno Mezzetti, Stefano Bompadre, Maurizio Battino
A protracted pro-inflammatory state is the common denominator in the development, progression and complication of the common chronic diseases. Dietary antioxidants represent an efficient tool to counteract this inflammatory state. The aim of the present work was to evaluate the effects of strawberry extracts on inflammation evoked by E. Coli lipopolysaccharide in Human Dermal Fibroblast, by measuring reactive oxygen species production, apoptosis rate, antioxidant enzymes activity, mitochondria functionality and also investigating the molecular pathway involved in inflammatory and antioxidant response...
February 16, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29458150/pink1-protects-auditory-hair-cells-and-spiral-ganglion-neurons-from-cisplatin-induced-ototoxicity-via-inducing-autophagy-and-inhibiting-jnk-signaling-pathway
#6
Qianqian Yang, Gaoying Sun, Haiyan Yin, Hongrui Li, Zhixin Cao, Jinghan Wang, Meijuan Zhou, Haibo Wang, Jianfeng Li
Phosphatase and tensin homologue (PTEN)-induced putative kinase 1 (PINK1) gene encodes a serine/threonine kinase, which acts as a molecular sensor of mitochondrial health necessary for mitochondrial quality control. The present study was designed to examine whether PINK1 expressed in C57BL/6 murine cochlea and HEI-OC1 cells and, if so, to investigate the possible mechanisms underlying the action of PINK1 in cisplatin-induced death of sensory hair cells (HCs) and spiral ganglion neurons (SGNs) in vitro. The expression pattern of PINK1, formation of parkin particles, and autophagy were determined by immunofluorescent staining...
February 16, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29458146/enhanced-anticancer-effects-of-scutellaria-barbata-d-don-in-combination-with-traditional-chinese-medicine-components-on-non-small-cell-lung-cancer-cells
#7
Qian Wang, Narayan Acharya, Zhongwei Liu, Xianmei Zhou, Meghan Cromie, Jia Zhu, Weimin Gao
ETHNOPHARMACOLOGICAL RELEVANCE: Experience-based herbal medicine as a complementary to modern western medicine has triggered an array of studies in quest of novel anticancer drugs. Scutellaria barbata D. Don (SB) is commonly used to treat different types of cancers, but its molecular mechanism of action is not clearly understood. In this study, we attempted to elucidate the mode of action of a traditional Chinese medicine prescription with a total of 14 components, named Lian-Jia-San-Jie-Fang (LJSJF, in Chinese), where SB works as the "principle" against non-small cell lung cancer (NSCLC) cells...
February 16, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29458144/disruption-of-peroxisome-function-leads-to-metabolic-stress-mtor-inhibition-and-lethality-in-liver-cancer-cells
#8
Mengjiao Cai, Xiao Sun, Wenchao Wang, Zhusheng Lian, Ping Wu, Suxia Han, Huan Chen, Pumin Zhang
Peroxisome houses a large number of enzymes involved in lipid and phytochemical oxidation as well as synthesis of bile acid and other specialized lipids. Peroxisome resident enzymes are imported into the organelle via a conserved cargo transport system composed of many peroxins, protein factors essential for the biogenesis of peroxisome. Among the peroxins, PEX5 plays a transporter role, and PEX2, 10, and 12 are thought to form a complex that functions as an E3 ubiquitin ligase to help recycle PEX5 in an ubiquitin modification-dependent process...
February 16, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29458141/long-non-coding-rnas-within-the-tumour-microenvironment-and-their-role-in-tumour-stroma-cross-talk
#9
Filippo Del Vecchio, Gui Han Lee, Joamir Hawezi, Rahul Bhome, Sian Pugh, Emre Sayan, Gareth Thomas, Graham Packham, John Primrose, Martin Pichler, Alexander Mirnezami, George Calin, Marc Bullock
Long non-coding RNAs (lncRNAs) are a diverse class of RNA transcripts which have limited protein coding potential. They perform a variety of cellular functions in health, but have also been implicated during malignant transformation. A further theme in recent years is the critical role of the tumour microenvironment and the dynamic interactions between cancer and stromal cells in promoting invasion and disease progression. Whereas the contribution of deregulated lncRNAs within cancer cells has received considerable attention, their significance within the tumour microenvironment is less well understood...
February 16, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29458107/wnt-receptor-signalling-in-lung-physiology-and-pathology
#10
REVIEW
Wioletta Skronska-Wasek, Reinoud Gosens, Melanie Königshoff, Hoeke Abele Baarsma
The WNT signalling cascades have emerged as critical regulators of a wide variety of biological aspects involved in lung development as well as in physiological and pathophysiological processes in the adult lung. WNTs (secreted glycoproteins) interact with various transmembrane receptors and co-receptors to activate signalling pathways that regulate transcriptional as well as non-transcriptional responses within cells. In physiological conditions, the majority of WNT receptors and co-receptors can be detected in the adult lung...
February 16, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29458087/ngf-fak-signal-pathway-is-implicated-in-angiogenesis-after-acute-cerebral-ischemia-in-rats
#11
Hai-Ting Zhao, Yu-Hu Zhang, Ying-Hui Zhang, Yue Shen, Yi-Dan Zhang, Fang-Fang Bi, Bo Xiao, Hao Zhang, Wen Ye, Hong-Hai Zhang, Yi-Wei Liao
Neurogenesis in the cerebral infarction after an ischemic event is important to the rehabilitation of patients. However, the mechanism of angiogenesis around cerebral ischemia is not clear. Our study designed to test whether the nerve growth factor (NGF)-P-focal adhesion kinase (FAK) signaling pathway for associations with angiogenesis plays a key role in post-acute cerebral ischemia of rats. Firstly, we implanted the Matrigel, a carrier of basement membrane matrix, into the abdominal skin of rats to identify the relevant components of the NGF-P-FAK signaling pathway related to angiogenesis...
February 16, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29458060/crim1-is-required-for-maintenance-of-the-ocular-lens-epithelium
#12
Oliver H Tam, David Pennisi, Lorine Wilkinson, Melissa H Little, Fatima Wazin, Victor L Wan, Frank J Lovicu
The development and growth of the vertebrate ocular lens is dependent on the regulated proliferation of an anterior monolayer of epithelial cells, and their subsequent differentiation into elongate fiber cells. The growth factor rich ocular media that bathes the lens mediates these cellular processes, and their respective intracellular signaling pathways are in turn regulated to ensure that the proper lens architecture is maintained. Recent studies have proposed that Cysteine Rich Motor Neuron 1 (Crim1), a transmembrane protein involved in organogenesis of many tissues, might influence cell adhesion, polarity and proliferation in the lens by regulating integrin-signaling...
February 16, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29458059/modest-enhancement-of-sensory-axon-regeneration-in-the-sciatic-nerve-with-conditional-co-deletion-of-pten-and-socs3-in-the-dorsal-root-ganglia-of-adult-mice
#13
Zachary R Gallaher, Oswald Steward
Axons within the peripheral nervous system are capable of regeneration, but full functional recovery is rare. Recent work has shown that conditional deletion of two key signaling inhibitors of the PI3K and Jak/Stat pathways-phosphatase and tensin homolog (PTEN) and suppressor of cytokine signaling-3 (SOCS3), respectively-promotes regeneration of normally non-regenerative central nervous system axons. Moreover, in studies of optic nerve regeneration, co-deletion of both PTEN and SOCS3 has an even greater effect...
February 16, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29458057/roles-of-the-insulin-signaling-pathway-in-insect-development-and-organ-growth
#14
Xianyu Lin, Guy Smagghe
Organismal development is a complex process as it requires coordination of many aspects to grow into fit individuals, such as the control of body size and organ growth. Therefore, the mechanisms of precise control of growth are essential for ensuring the growth of organisms at a correct body size and proper organ proportions during development. The control of the growth rate and the duration of growth (or the cessation of growth) are required in size control. The insulin signaling pathway and the elements involved are essential in the control of growth...
February 16, 2018: Peptides
https://www.readbyqxmd.com/read/29458046/bmp-2-induces-angiogenesis-by-provoking-integrin-%C3%AE-6-expression-in-human-endothelial-progenitor-cells
#15
Wei-Cheng Chen, Ching-Hu Chung, Yung-Chang Lu, Min-Huan Wu, Po-Hsun Chou, Juei-Yu Yen, Yu-Wei Lai, Guo-Shou Wang, Shih-Chia Liu, Jen-Kun Cheng, Yih-Jer Wu, Hung-I Yeh, Li-Yu Wang, Shih-Wei Wang
Bone morphogenetic proteins-2 (BMP-2) is a multifunctional cytokine, capable of governing several cellular functions, including proliferation, motility, differentiation, and angiogenesis. Circulating endothelial progenitor cells (EPCs) have been shown to facilitate tissue repair, postnatal neovascularization, and tumor associated angiogenesis. Nevertheless, the impact of BMP-2 on angiogenesis of human EPCs has largely remained a mystery. In this study, we found that BMP-2 promoted cell migration and tube formation of EPCs in a concentration-dependent manner, indicating BMP-2 induced in vitro angiogenesis in human EPCs...
February 16, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29458040/pharmacological-inhibition-of-jak3-enhances-the-antitumor-activity-of-imatinib-in-human-chronic-myeloid-leukemia
#16
Kenta Yagi, Akira Shimada, Toshiaki Sendo
Imatinib (IMA) is the standard treatment for CML; however, stopping IMA sometimes results in disease relapse, which suggests that leukemic stem cells (LSCs) remain in such patients, even after complete molecular remission has been achieved. Therefore, new strategies will be required to eradicate LSCs. The Janus kinase-signal transducer and activator of transcription (JAK-STAT) pathway is part of the BCR-ABL signaling network, and it is activated in CML, especially in LSCs. JAK2 is known to be associated with CML survival, but the role of JAK3 in CML remains unknown...
February 16, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29458020/circrna-circ_0067934-promotes-tumor-growth-and-metastasis-in-hepatocellular-carcinoma-through-regulation-of-mir-1324-fzd5-wnt-%C3%AE-catenin-axis
#17
Qian Zhu, Guiyu Lu, Zihua Luo, Fenfang Gui, Jinghua Wu, Dongwei Zhang, Yong Ni
Recently, increasing evidences demonstrate that circular RNAs (circRNAs) exert very important functions in the progression of human cancers. However, the functions and molecular mechanism of circ_0067934 in hepatocellular carcinoma (HCC) are largely unknown. In the present study, we found that the expression of circ_0067934 was significantly upregulated in HCC tissues and cell lines compared to adjacent normal tissues. Furthermore, we showed that circ_0067934 knockdown remarkably suppressed the proliferation, migration and invasion of Hep3B and HuH7 cells while inducing their apoptosis...
February 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29457974/a-multi-omics-analysis-of-glycine-max-leaves-reveals-alteration-in-flavonoid-and-isoflavonoid-metabolism-upon-ethylene-and-abscisic-acid-treatment
#18
Ravi Gupta, Cheol Woo Min, Katharina Kramer, Ganesh Kumar Agrawal, Randeep Rakwal, Ki-Hun Park, Yiming Wang, Iris Finkemeier, Sun Tae Kim
Phytohormones are central to the plant growth and development. Despite the advancement in our knowledge of hormone signaling, downstream targets and their interactions upon hormones action remain largely fragmented, especially at the protein and metabolite levels. With an aim to get new insight into the effects of two hormones, ethylene (ET) and abscisic acid (ABA), this study utilizes an integrated proteomics and metabolomics approach to investigate their individual and combined (ABA+ET) signaling in soybean leaves...
February 19, 2018: Proteomics
https://www.readbyqxmd.com/read/29457969/an-evaluation-of-the-operational-model-when-applied-to-quantify-functional-selectivity
#19
Xiao Zhu, David B Finlay, Michelle Glass, Stephen B Duffull
BACKGROUND AND PURPOSE: Functional selectivity describes the ability of ligands to differentially regulate multiple signalling pathways when coupled to a single receptor and the operational model is commonly used to analyse these data. Here, we assess the mathematical properties of the operational model and evaluate the impact of fixing parameters on model performance. EXPERIMENTAL APPROACH: The operational model was evaluated using both a mathematical identifiability analysis and simulation...
February 19, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29457855/experimental-study-on-tgf-%C3%AE-1-mediated-cd147-expression-in-oral-submucous-fibrosis
#20
Weiming Wang, Haofeng Xiong, Zhengmao Hu, Rongjuan Zhao, Yue Hu, Wenxin Chen, Ying Han, Liudi Yang, Xin Hu, Can Wang, Ting Mao, Kun Xia, Tong Su
OBJECTIVE: Although previous evidence indicates that CD147 is closely involved in the progression of organ fibrosis and various signaling pathways have been proven to regulate its expression, the role of CD147 in oral submucous fibrosis (OSF) remain largely unknown. METHODS: In the present study, we investigated the expression of CD147 and transforming growth factor β1 (TGF-β1) in human samples of an OSF tissue array by immunohistopathology. Pearson's correlation analysis was conducted to explore the correlation between CD147 and TGF-β1...
February 19, 2018: Oral Diseases
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