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https://www.readbyqxmd.com/read/28222105/stat3-cdc25a-dependent-cell-proliferation-promotes-embryonic-axis-extension-during-zebrafish-gastrulation
#1
Yinzi Liu, Diane S Sepich, Lilianna Solnica-Krezel
Cell proliferation has generally been considered dispensable for anteroposterior extension of embryonic axis during vertebrate gastrulation. Signal transducer and activator of transcription 3 (Stat3), a conserved controller of cell proliferation, survival and regeneration, is associated with human scoliosis, cancer and Hyper IgE Syndrome. Zebrafish Stat3 was proposed to govern convergence and extension gastrulation movements in part by promoting Wnt/Planar Cell Polarity (PCP) signaling, a conserved regulator of mediolaterally polarized cell behaviors...
February 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28220208/abcb4-missense-mutations-d243a-k435t-g535d-i490t-r545c-and-s978p-significantly-impair-the-lipid-floppase-and-likely-predispose-to-secondary-pathologies-in-the-human-population
#2
Edward J Andress, Michael Nicolaou, Farrell McGeoghan, Kenneth J Linton
Bile salts are natural detergents required to solubilise dietary fat and lipid soluble vitamins. They are synthesised in hepatocytes and secreted into the luminal space of the biliary tree by the bile salt export pump (BSEP), an ATP-binding cassette (ABC) transporter in the canalicular membrane. BSEP deficiency causes cytotoxic accumulation of bile salts in the hepatocyte that results in mild-to-severe forms of cholestasis. The resulting inflammation can also progress to hepatocellular cancer via a novel mechanism involving upregulation of proliferative signalling pathways...
February 20, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28220143/venous-thromboembolism-in-children-with-cancer-and-blood-disorders
#3
REVIEW
Richard H Ko, Courtney D Thornburg
Venous thromboembolism (VTE) in children is multifactorial and most often related to a combination of inherited and acquired thrombophilias. Children with cancer and blood disorders are often at risk for VTE due to disease-related factors such as inflammation and abnormal blood flow and treatment-related factors such as central venous catheters and surgery. We will review risk factors for VTE in children with leukemia, lymphoma, and solid tumors. We will also review risk factors for VTE in children with blood disorders with specific focus on sickle cell anemia and hemophilia...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28219048/arylsulfonamides-and-selectivity-of-matrix-metalloproteinase-2-an-overview
#4
REVIEW
Nilanjan Adhikari, Avinaba Mukherjee, Achintya Saha, Tarun Jha
Uncontrolled regulation of specific metalloenzymes plays important roles in several diseases like tumor metastasis and inflammation. Therefore, selective metalloenzyme inhibition may be a potential target for drug design and development. Matrix metalloproteinase inhibitors (MMPIs) opened up a new horizon as the possible treatment of arthritis, cancer, and emphysema. However, due to adverse effects and poor pharmacokinetics, first generation MMPIs failed in clinical trials. Therefore, development of potential and selective MMPIs is still in demand...
February 10, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28218464/curcumin-analogue-l48h37-induces-apoptosis-through-ros-mediated-endoplasmic-reticulum-stress-and-stat3-pathways-in-human-lung-cancer-cells
#5
Chen Feng, Yiqun Xia, Peng Zou, Miaoshan Shen, Jie Hu, Shilong Ying, Jialing Pan, Zhiguo Liu, Xuanxuan Dai, Weishan Zhuge, Guang Liang, Yeping Ruan
Lung cancer is the leading cause of cancer-related deaths. Curcumin is a well-known natural product with anticancer ability, however, its poor bioavailability and pharmacokinetic profiles have limited its application in anticancer therapy. Previously we reported that L48H37, a novel analogue of curcumin with higher bioavailability, ameliorated LPS-induced inflammation, but the anticancer effect of L48H37 is still unknown. In the present study, we have investigated the effects of L48H37 in human lung cancer cells...
February 20, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28218280/mangiferin-from-pueraria-tuberosa-reduces-inflammation-via-inactivation-of-nlrp3-inflammasome
#6
Ramakrishna K Bulugonda, Kotha Anil Kumar, D Gangappa, Harshavardhan Beeda, Gundala Harold Philip, Dowlathabad Muralidhara Rao, Syed M Faisal
Recent reports have demonstrated the role of phyto-constituents in modulating inflammatory responses. Mangiferin isolated from Mangifera indica is known to induce potent anti-oxidative, anti-diabetic and anti-inflammatory activity. However, the molecular mechanism of its anti-inflammatory activity is not properly understood. In this study we have isolated Mangiferin from the tubers of Pueraria tuberosa (PT-Mangiferin) and analysed the mechanism of its potent anti-inflammatory effects in LPS stimulated RAW 264...
February 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28217814/-effects-of-growth-differentiation-factor-15-gdf-15-on-neurological-systems-cardiovascular-diseases-and-cancer-progression
#7
Dong-Dong Liu, Yan-Ai Mei
Growth differentiation factor-15 (GDF-15) is a member of the transforming growth factor beta superfamily. GDF-15 expression is dramatically upregulated during acute brain injury, cancer, cardiovascular disease, and inflammation, suggesting its potential value as a disease biomarker. It has been suggested that GDF-15 has neurotropic effects in the nervous system. Our studies showed that GDF-15 modulated the expression of neuronal K(+) and Ca(2+) ion channels and increased the release of excitatory transmitter in the medial prefrontal cortex of mice...
February 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28217761/modeling-of-chronic-radiation-induced-cystitis-in-mice
#8
Bernadette M M Zwaans, Sarah Krueger, Sarah N Bartolone, Michael B Chancellor, Brian Marples, Laura E Lamb
PURPOSE: Radiation cystitis (RC), a severe inflammatory bladder condition, develops as a side-effect of pelvic radiation therapy in cancer patients. There are currently no effective therapies to treat RC, in part due to the lack of preclinical model systems. In this study, we developed a mouse model for RC and used a small animal radiation research platform (SARRP) to simulate the targeted delivery of radiation as used with human patients. METHODS AND MATERIALS: To induce RC, C3H mice received a single radiation dose of 20Gy delivered through two beams...
October 2016: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28217695/gut-microbiome-and-chronic-prostatitis-chronic-pelvic-pain-syndrome
#9
REVIEW
Hans C Arora, Charis Eng, Daniel A Shoskes
Analysis of the human microbiome continues to reveal new and previously unrealized associations between microbial dysbiosis and disease. Novel approaches to bacterial identification using culture-independent methods allow practitioners to discern the presence of alterations in the taxa and diversity of the microbiome and identify correlations with disease processes. While some of these diseases that have been extensively studied are well-defined in their etiology and treatment methods (colorectal cancer), others have provided much more significant challenges in both diagnosis and treatment...
January 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28217371/pathogenic-mechanisms-of-pancreatitis
#10
REVIEW
Murli Manohar, Alok Kumar Verma, Sathisha Upparahalli Venkateshaiah, Nathan L Sanders, Anil Mishra
Pancreatitis is inflammation of pancreas and caused by a number of factors including pancreatic duct obstruction, alcoholism, and mutation in the cationic trypsinogen gene. Pancreatitis is represented as acute pancreatitis with acute inflammatory responses and; chronic pancreatitis characterized by marked stroma formation with a high number of infiltrating granulocytes (such as neutrophils, eosinophils), monocytes, macrophages and pancreatic stellate cells (PSCs). These inflammatory cells are known to play a central role in initiating and promoting inflammation including pancreatic fibrosis, i...
February 6, 2017: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28217126/high-endothelial-venules-and-other-blood-vessels-critical-regulators-of-lymphoid-organ-development-and-function
#11
REVIEW
Ann Ager
The blood vasculature regulates both the development and function of secondary lymphoid organs by providing a portal for entry of hemopoietic cells. During the development of lymphoid organs in the embryo, blood vessels deliver lymphoid tissue inducer cells that initiate and sustain the development of lymphoid tissues. In adults, the blood vessels are structurally distinct from those in other organs due to the requirement for high levels of lymphocyte recruitment under non-inflammatory conditions. In lymph nodes (LNs) and Peyer's patches, high endothelial venules (HEVs) especially adapted for lymphocyte trafficking form a spatially organized network of blood vessels, which controls both the type of lymphocyte and the site of entry into lymphoid tissues...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28216675/extracellular-superoxide-dismutase-expression-in-papillary-thyroid-cancer-mesenchymal-stem-stromal-cells-modulates-cancer-cell-growth-and-migration
#12
Alessia Parascandolo, Francesca Rappa, Francesco Cappello, Jaehyup Kim, David A Cantu, Herbert Chen, Gianluigi Mazzoccoli, Peiman Hematti, Maria Domenica Castellone, Marco Salvatore, Mikko O Laukkanen
Tumor stroma-secreted growth factors, cytokines, and reactive oxygen species (ROS) influence tumor development from early stages to the metastasis phase. Previous studies have demonstrated downregulation of ROS-producing extracellular superoxide dismutase (SOD3) in thyroid cancer cell lines although according to recent data, the expression of SOD3 at physiological levels stimulates normal and cancer cell proliferation. Therefore, to analyze the expression of SOD3 in tumor stroma, we characterized stromal cells from the thyroid...
February 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28216578/tumor-microenvironment-a-paradigm-in-hepatocellular-carcinoma-progression-and-therapy
#13
REVIEW
Maryam Tahmasebi Birgani, Vinicio Carloni
Hepatocellular carcinoma (HCC) is among the most lethal and prevalent cancers in the human population. Different etiological factors such as hepatitis B and C virus, alcohol and diabetes cause liver injury followed by inflammation, necrosis and hepatocytes proliferation. Continuous cycles of this destructive-regenerative process culminates in liver cirrhosis which is characterized by regenerating nodules that progress to dysplastic nodules and ultimately HCC. Despite its significance, there is only an elemental understanding of the pathogenetic mechanisms, and there are only limited therapeutic options...
February 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28216434/human-nlrp3-inflammasome-activity-is-regulated-by-and-potentially-targetable-via-btk
#14
Xiao Liu, Tica Pichulik, Olaf-Oliver Wolz, Truong-Minh Dang, Andrea Stutz, Carly Dillen, Magno Delmiro Garcia, Helene Kraus, Sabine Dickhöfer, Ellen Daiber, Lisa Münzenmayer, Silke Wahl, Nikolaus Rieber, Jasmin Kümmerle-Deschner, Amir Yazdi, Mirita Franz-Wachtel, Boris Macek, Markus Radsak, Sebastian Vogel, Berit Schulte, Juliane Sarah Walz, Dominik Hartl, Eicke Latz, Stephan Stilgenbauer, Bodo Grimbacher, Lloyd Miller, Cornelia Brunner, Christiane Wolz, Alexander N R Weber
BACKGROUND: The Nod-like receptor, NACHT, LRR and PYD domains-containing protein 3 (NLRP3), and Bruton's tyrosine kinase (BTK) are protagonists in innate and adaptive immunity, respectively: NLRP3 senses exogenous and endogenous insults leading to inflammasome activation, which occurs spontaneously in Muckle-Wells Syndrome (MWS); BTK mutations cause the genetic immunodeficiency X-linked agammaglobulinemia (XLA). However, to date few proteins that regulate NLRP3 inflammasome activity in human primary immune cells have been identified and clinically promising pharmacological targeting strategies remain elusive...
February 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28216407/multidrug-resistance-transporter-1-and-breast-cancer-resistance-protein-protect-against-ovarian-toxicity-and-are-essential-in-ovarian-physiology
#15
Lynae M Brayboy, Nathalie Oulhen, Sokunvichet Long, Niesha Voigt, Christina Raker, Gary M Wessel
Ovarian protection from chemotoxicity is essential for reproductive health. Our objective is to determine the role of ATP-dependent, Multidrug Resistance Transporters (MDRs) in this protection. Previously we identified MDR-dependent cytoprotection from cyclophosphamide in mouse and human oocytes by use of MDR inhibitors. Here we use genetic deletions in MDR1a/b/BCRP of mice to test MDR function in ovarian somatic cells and find that mdr1a/b/bcrp-/- mice had significantly increased sensitivity to cyclophosphamide...
February 12, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28215516/aisf-position-paper-on-nonalcoholic-fatty-liver-disease-nafld-updates-and-future-directions
#16
Amedeo Lonardo, Fabio Nascimbeni, Giovanni Targher, Mauro Bernardi, Ferruccio Bonino, Elisabetta Bugianesi, Alessandro Casini, Amalia Gastaldelli, Giulio Marchesini, Fabio Marra, Luca Miele, Filomena Morisco, Salvatore Petta, Fabio Piscaglia, Gianluca Svegliati-Baroni, Luca Valenti, Stefano Bellentani
This review summarizes our current understanding of nonalcoholic fatty liver disease (NAFLD), a multi-factorial systemic disease resulting from a complex interaction between a specific genetic background and multiple environmental/metabolic "hits". The role of gut microbiota, lipotoxicity, inflammation and their molecular pathways is reviewed in-depth. We also discuss the epidemiology and natural history of NAFLD by pinpointing the remarkably high prevalence of NAFLD worldwide and its inherent systemic complications: hepatic (steatohepatitis, advanced fibrosis and cirrhosis), cardio-metabolic (cardiovascular disease, cardiomyopathy, arrhythmias and type 2 diabetes) and neoplastic (primary liver cancers and extra-hepatic cancers)...
January 23, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28215229/targeting-ikk-and-nf-%C3%AE%C2%BAb-for-therapy
#17
J K Durand, A S Baldwin
In addition to regulating immune responses, the NF-κB family of transcription factors also promotes cellular proliferation and survival. NF-κB and its activating kinase, IKK, have become appealing therapeutic targets because of their critical roles in the progression of many diseases including chronic inflammation and cancer. Here, we discuss the conditions that lead to pathway activation, the effects of constitutive activation, and some of the strategies used to inhibit NF-κB signaling.
2017: Advances in Protein Chemistry and Structural Biology
https://www.readbyqxmd.com/read/28215221/targeting-chromatin-remodeling-in-inflammation-and-fibrosis
#18
J Yang, B Tian, A R Brasier
Mucosal surfaces of the human body are lined by a contiguous epithelial cell surface that forms a barrier to aerosolized pathogens. Specialized pattern recognition receptors detect the presence of viral pathogens and initiate protective host responses by triggering activation of the nuclear factor κB (NFκB)/RelA transcription factor and formation of a complex with the positive transcription elongation factor (P-TEFb)/cyclin-dependent kinase (CDK)9 and Bromodomain-containing protein 4 (BRD4) epigenetic reader...
2017: Advances in Protein Chemistry and Structural Biology
https://www.readbyqxmd.com/read/28214467/paxillin-a-crossroad-in-pathological-cell-migration
#19
REVIEW
Ana María López-Colomé, Irene Lee-Rivera, Regina Benavides-Hidalgo, Edith López
Paxilllin is a multifunctional and multidomain focal adhesion adapter protein which serves an important scaffolding role at focal adhesions by recruiting structural and signaling molecules involved in cell movement and migration, when phosphorylated on specific Tyr and Ser residues. Upon integrin engagement with extracellular matrix, paxillin is phosphorylated at Tyr31, Tyr118, Ser188, and Ser190, activating numerous signaling cascades which promote cell migration, indicating that the regulation of adhesion dynamics is under the control of a complex display of signaling mechanisms...
February 18, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28213207/epimetabolites-discovering-metabolism-beyond-building-and-burning
#20
REVIEW
Megan R Showalter, Tomas Cajka, Oliver Fiehn
Enzymatic transformations of primary, canonical metabolites generate active biomolecules that regulate important cellular and physiological processes. Roles include regulation of histone demethylation in epigenetics, inflammation in tissue injury, insulin sensitivity, cancer cell invasion, stem cell pluripotency status, inhibition of nitric oxide signaling and others. Such modified compounds, defined as epimetabolites, have functions distinct from classic hormones as well as removed from generic anabolism and catabolism...
February 14, 2017: Current Opinion in Chemical Biology
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