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https://www.readbyqxmd.com/read/29782621/darpp-32-and-t-darpp-promote-non-small-cell-lung-cancer-growth-through-regulation-of-ikk%C3%AE-dependent-cell-migration
#1
Sk Kayum Alam, Matteo Astone, Ping Liu, Stephanie R Hall, Abbygail M Coyle, Erin N Dankert, Dane K Hoffman, Wei Zhang, Rui Kuang, Anja C Roden, Aaron S Mansfield, Luke H Hoeppner
Lung cancer is the leading cause of cancer-related death worldwide. Here we demonstrate that elevated expression of dopamine and cyclic adenosine monophosphate-regulated phosphoprotein, Mr 32000 (DARPP-32) and its truncated splice variant t-DARPP promote lung tumor growth, while abrogation of DARPP-32 expression in human non-small cell lung cancer (NSCLC) cells reduces tumor growth in orthotopic mouse models. We observe a novel physical interaction between DARPP-32 and inhibitory kappa B kinase-α (IKKα) that promotes NSCLC cell migration through non-canonical nuclear factor kappa-light-chain-enhancer of activated B cells 2 (NF-κB2) signaling...
2018: Commun Biol
https://www.readbyqxmd.com/read/29781120/patient-friendly-pathology-reports-for-patients-with-breast-atypias
#2
Sarah P Rooney, Shirley Hoffman, John C Perrin, Kara J Milliron, Alexis V Nees, Julie M Jorns
No abstract text is available yet for this article.
May 20, 2018: Breast Journal
https://www.readbyqxmd.com/read/29780613/schwann-cell-durotaxis-can-be-guided-by-physiologically-relevant-stiffness-gradients
#3
Elisabeth B Evans, Samantha W Brady, Anubhav Tripathi, Diane Hoffman-Kim
Background: Successful nerve regeneration depends upon directed migration of morphologically specialized repair state Schwann cells across a nerve defect. Although several groups have studied directed migration of Schwann cells in response to chemical or topographic cues, the current understanding of how the mechanical environment influences migration remains largely understudied and incomplete. Therefore, the focus of this study was to evaluate Schwann cell migration and morphodynamics in the presence of stiffness gradients, which revealed that Schwann cells can follow extracellular gradients of increasing stiffness, in a form of directed migration termed durotaxis...
2018: Biomaterials Research
https://www.readbyqxmd.com/read/29780512/iriomoteolides-novel-chemical-tools-to-study-actin-dynamics
#4
A Unzue, R Cribiú, M M Hoffman, T Knehans, K Lafleur, A Caflisch, C Nevado
Despite its promising biological profile, the cellular targets of iriomoteolide-3a, a novel 15-membered macrolide isolated from Amphidinium sp., have remained unknown. A small library of non-natural iriomoteolide-3a analogues is presented here as a result of a novel, highly convergent, catalysis-based scaffold-diversification campaign, which revealed the suitable sites for chemical editing in the original core. We provide compelling experimental evidence for actin as one of iriomoteolides' primary cellular targets, establishing the ability of these secondary metabolites to inhibit cell migration, induce severe morphological changes in cells and cause a reversible cytoplasmic retraction and reduction of F-actin fibers in a time and dose dependent manner...
April 21, 2018: Chemical Science
https://www.readbyqxmd.com/read/29776986/the-characteristics-of-vessel-lining-cells-in-normal-spleens-and-their-role-in-the-pathobiology-of-myelofibrosis
#5
Jiajing Qiu, Mohamed E Salama, Cing Siang Hu, Yan Li, Xiaoli Wang, Ronald Hoffman
The CD34- CD8α+ , sinusoid lining, littoral cells (LCs), and CD34+ CD8α- , splenic vascular endothelial cells (SVECs) represent 2 distinct cellular types that line the vessels within normal spleens and those of patients with myelofibrosis (MF). To further understand the respective roles of LCs and SVECs, each was purified from normal and MF spleens, cultured, and characterized. Gene expression profiling indicated that LCs were a specialized type of SVEC. LCs possessed a distinct gene expression profile associated with cytoskeleton regulation, cellular interactions, endocytosis, and iron transport...
May 22, 2018: Blood Advances
https://www.readbyqxmd.com/read/29775679/identification-and-validation-of-midbrain-kcnq4-regulation-of-heavy-alcohol-consumption-in-rodents
#6
Natalie S McGuier, Jennifer A Rinker, Reginald Cannady, Diana B Fulmer, Sara R Jones, Michaela Hoffman, Patrick J Mulholland
Currently available pharmacotherapies for treating alcohol use disorder (AUD) suffer from deleterious side effects and are not efficacious in diverse populations. Clinical and preclinical studies provide evidence that the Kcnq family of genes that encode KV 7 channels influence alcohol intake and dependence. KV 7 channels are a class of slowly activating voltage-dependent K+ channels that regulate neuronal excitability. Studies indicate that the KV 7 channel positive modulator retigabine can decrease dopaminergic neuron firing, alter dopamine (DA) release, and reduce alcohol intake in heavy drinking rodents...
May 15, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29775351/masses-and-%C3%AE-decay-spectroscopy-of-neutron-rich-odd-odd-160-162-eu-nuclei-evidence-for-a-subshell-gap-with-large-deformation-at-n-98
#7
D J Hartley, F G Kondev, R Orford, J A Clark, G Savard, A D Ayangeakaa, S Bottoni, F Buchinger, M T Burkey, M P Carpenter, P Copp, D A Gorelov, K Hicks, C R Hoffman, C Hu, R V F Janssens, J W Klimes, T Lauritsen, J Sethi, D Seweryniak, K S Sharma, H Zhang, S Zhu, Y Zhu
The structure of deformed neutron-rich nuclei in the rare-earth region is of significant interest for both the astrophysics and nuclear structure fields. At present, a complete explanation for the observed peak in the elemental abundances at A∼160 eludes astrophysicists, and models depend on accurate quantities, such as masses, lifetimes, and branching ratios of deformed neutron-rich nuclei in this region. Unusual nuclear structure effects are also observed, such as the unexpectedly low energies of the first 2^{+} levels in some even-even nuclei at N=98...
May 4, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29771899/excess-cost-and-inpatient-stay-of-treating-deep-spinal-surgical-site-infections
#8
James Barnacle, Dianne Wilson, Christopher Little, Christopher Hoffman, Nigel Raymond
AIM: To determine the excess cost and hospitalisation associated with surgical site infections (SSI) following spinal operations in a New Zealand setting. METHODS: We identified inpatients treated for deep SSI following primary or revision spinal surgery at a regional tertiary spinal centre between 2009 and 2016. Excess cost and excess length of stay (LOS) were calculated via a clinical costing system using procedure-matched controls. RESULTS: Twenty-eight patients were identified...
May 18, 2018: New Zealand Medical Journal
https://www.readbyqxmd.com/read/29768139/canakinumab-for-the-treatment-of-autoinflammatory-recurrent-fever-syndromes
#9
Fabrizio De Benedetti, Marco Gattorno, Jordi Anton, Eldad Ben-Chetrit, Joost Frenkel, Hal M Hoffman, Isabelle Koné-Paut, Helen J Lachmann, Seza Ozen, Anna Simon, Andrew Zeft, Inmaculada Calvo Penades, Michel Moutschen, Pierre Quartier, Ozgur Kasapcopur, Anna Shcherbina, Michael Hofer, Philip J Hashkes, Jeroen Van der Hilst, Ryoki Hara, Segundo Bujan-Rivas, Tamas Constantin, Ahmet Gul, Avi Livneh, Paul Brogan, Marco Cattalini, Laura Obici, Karine Lheritier, Antonio Speziale, Guido Junge
BACKGROUND: Familial Mediterranean fever, mevalonate kinase deficiency (also known as the hyperimmunoglobulinemia D syndrome), and the tumor necrosis factor receptor-associated periodic syndrome (TRAPS) are monogenic autoinflammatory diseases characterized by recurrent fever flares. METHODS: We randomly assigned patients with genetically confirmed colchicine-resistant familial Mediterranean fever, mevalonate kinase deficiency, or TRAPS at the time of a flare to receive 150 mg of canakinumab subcutaneously or placebo every 4 weeks...
May 17, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29768067/the-development-of-fluorescence-guided-surgery-for-pancreatic-cancer-from-bench-to-clinic
#10
Thinzar M Lwin, Robert M Hoffman, Michael Bouvet
Surgeons face major challenges in achieving curative R0 resection for pancreatic cancers. When the lesion is localized, they must appropriately visualize the tumor, determine appropriate resection margins, and ensure complete tumor clearance. Real-time surgical navigation using fluorescence-guidance has enhanced the ability of surgeons to see the tumor and has the potential to assist in achieving more oncologically-complete resections. When there is metastatic disease, fluorescence enhancement can help detect these lesions and prevent unnecessary and futile surgeries...
May 16, 2018: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/29765151/apatorsen-plus-docetaxel-versus-docetaxel-alone-in-platinum-resistant-metastatic-urothelial-carcinoma-borealis-2
#11
Jonathan E Rosenberg, Noah M Hahn, Meredith M Regan, Lillian Werner, Ajjai Alva, Saby George, Joel Picus, Robert Alter, Arjun Balar, Jean Hoffman-Censits, Petros Grivas, Richard Lauer, Elizabeth A Guancial, Christopher Hoimes, Guru Sonpavde, Constantine Albany, Mark N Stein, Tim Breen, Cindy Jacobs, Kirsten Anderson, Joaquim Bellmunt, Aly-Khan A Lalani, Sumanta Pal, Toni K Choueiri
BACKGROUND: A randomised study to assess the addition of apatorsen, an antisense oligonucleotide that inhibits Hsp27 expression, to docetaxel in patients with metastatic urothelial carcinoma (mUC) relapsed after prior platinum-based chemotherapy. METHODS: Multicentre, phase II study with 1:1 randomisation to apatorsen (three loading doses at 600 mg intravenous followed by weekly doses) plus docetaxel (75 mg/m2 intravenous every 21 days) (A/D) or docetaxel alone...
May 16, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29764185/management-of-metastatic-spinal-cord-compression-among-veterans-health-administration-radiation-oncologists
#12
Ruchika Gutt, Sheeta Malhotra, Shruti Jolly, Drew Moghanaki, Alice V Cheuk, Helen Fosmire, Maria Kelly, Lori Hoffman-Hogg, Stephen Lutz, Mitchell Anscher, George Dawson
BACKGROUND: Optimal management of metastatic spinal cord compression (MSCC) improves functional outcomes in patients with metastatic disease. This survey study evaluated management of MSCC by Veterans Health Administration (VHA) radiation oncologists (ROs), to determine whether management of MSCC correlates with American College of Radiology (ACR) guidelines, and to compare times to initiation of treatment between surgery and radiotherapy (RT). METHODS: Surveys emailed to 79 VHA ROs included questions on steroid use, surgical care, palliative care, fractionation of irradiation, re-irradiation, and management of common MSCC case scenarios...
April 2018: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29763683/sexual-and-gender-minority-cigarette-smoking-disparities-an-analysis-of-2016-behavioral-risk-factor-surveillance-system-data
#13
Leah Hoffman, Janine Delahanty, Sarah E Johnson, Xiaoquan Zhao
We examined the association between lesbian, gay, bisexual, and transgender (LGBT) identity, cigarette and e-cigarette use, and potential risk factors in the United States. Using data from 198,057 adults in 26 states in the 2016 Behavioral Risk Factor Surveillance System (BRFSS), we estimated the prevalence of cigarette use, e-cigarette use, and potential risk factors by gender identity and sexual identity. Overall and sex-stratified bivariate and multivariate logistic regressions examined whether the relationship between sexual and gender identity and cigarette and e-cigarette use persisted after adjusting for demographics, socio-economic status, and other unhealthy behaviors...
May 12, 2018: Preventive Medicine
https://www.readbyqxmd.com/read/29762225/tsujikawa-and-lipid-emulsion
#14
Josh J Wang, Eric Villeneuve, Sophie Gosselin, Susan C Smolinske, Lotte C G Hoegberg, Robert S Hoffman
No abstract text is available yet for this article.
June 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29761460/a-primer-for-the-rat-genome-database-rgd
#15
Stanley J F Laulederkind, G Thomas Hayman, Shur-Jen Wang, Jennifer R Smith, Victoria Petri, Matthew J Hoffman, Jeff De Pons, Marek A Tutaj, Omid Ghiasvand, Monika Tutaj, Jyothi Thota, Melinda R Dwinell, Mary Shimoyama
The laboratory rat, Rattus norvegicus, is an important model of human health and disease, and experimental findings in the rat have relevance to human physiology and disease. The Rat Genome Database (RGD, http://rgd.mcw.edu ) is a model organism database that provides access to a wide variety of curated rat data including disease associations, phenotypes, pathways, molecular functions, biological processes and cellular components for genes, quantitative trait loci, and strains. We present an overview of the database followed by specific examples that can be used to gain experience in employing RGD to explore the wealth of functional data available for the rat...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29756455/characterization-of-the-transmitted-virus-in-an-ongoing-hiv-1-epidemic-driven-by-injecting-drug-use
#16
Elena Dukhovlinova, Alexey Masharsky, Aleksandra Vasileva, Alessandro Porrello, Shuntai Zhou, Olga Toussova, Sergei Verevochkin, Ekaterina Akulova, Dmitrij Frishman, David Montefiori, Celia Labranche, Irving Hoffman, William Miller, Myron S Cohen, Andrei Kozlov, Ronald Swanstrom
Understanding features of the HIV-1 transmission process have the potential to inform biological interventions for prevention. We have examined the transmitted virus in a cohort of people who inject drugs and who are at risk of HIV-1 infection through blood contamination when injecting in a group. This study focused on seven newly infected participants in St. Petersburg, Russia, who were in acute or early infection. We used end-point dilution PCR to amplify single viral genomes to assess the complexity of the transmitted virus...
May 14, 2018: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/29755842/lipopolysaccharide-endotoxemia-induces-amyloid-%C3%AE-and-p-tau-formation-in-the-rat-brain
#17
Li-Ming Wang, Qi Wu, Ryan A Kirk, Kevin P Horn, Ahmed H Ebada Salem, John M Hoffman, Jeffrey T Yap, Joshua A Sonnen, Rheal A Towner, Fernando A Bozza, Rosana S Rodrigues, Kathryn A Morton
Amyloid beta (Aβ) plaques are not specific to Alzheimer's disease and occur with aging and neurodegenerative disorders. Soluble brain Aβ may be neuroprotective and increases in response to neuroinflammation. Sepsis is associated with neurocognitive compromise. The objective was to determine, in a rat endotoxemia model of sepsis, whether neuroinflammation and soluble Aβ production are associated with Aβ plaque and hyperphosphorylated tau deposition in the brain. Male Sprague Dawley rats received a single intraperitoneal injection of 10 mg/kg of lipopolysaccharide endotoxin (LPS)...
2018: American Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29755057/processes-and-outcomes-of-a-community-based-participatory-research-driven-health-needs-assessment-a-tool-for-moving-health-disparity-reporting-to-evidence-based-action
#18
Tabia Henry Akintobi, Elise Lockamy, Lisa Goodin, Natalie D Hernandez, Tanesha Slocumb, Daniel Blumenthal, Ronald Braithwaite, Larry Leeks, Micah Rowland, Thomas Cotton, LaShawn Hoffman
BACKGROUND: The community-based participatory research (CBPR)-driven health needs assessment was a tool used to inform community-led, -implemented, and -sustained research and prevention strategies. METHODS: The Morehouse School of Medicine Prevention Research Center (MSM PRC) research and prevention initiatives are implemented in direct response to priorities identified through this process and tool. Led by a community-majority coalition board, the assessment coupled state and city secondary data with primary survey data collected by and from community residents...
2018: Progress in Community Health Partnerships: Research, Education, and Action
https://www.readbyqxmd.com/read/29754954/the-polycomb-dependent-epigenome-controls-%C3%AE-cell-dysfunction-dedifferentiation-and-diabetes
#19
Tess Tsai-Hsiu Lu, Steffen Heyne, Erez Dror, Eduard Casas, Laura Leonhardt, Thorina Boenke, Chih-Hsiang Yang, Sagar, Laura Arrigoni, Kevin Dalgaard, Raffaele Teperino, Lennart Enders, Madhan Selvaraj, Marius Ruf, Sunil J Raja, Huafeng Xie, Ulrike Boenisch, Stuart H Orkin, Francis C Lynn, Brad G Hoffman, Dominic Grün, Tanya Vavouri, Adelheid M Lempradl, J Andrew Pospisilik
To date, it remains largely unclear to what extent chromatin machinery contributes to the susceptibility and progression of complex diseases. Here, we combine deep epigenome mapping with single-cell transcriptomics to mine for evidence of chromatin dysregulation in type 2 diabetes. We find two chromatin-state signatures that track β cell dysfunction in mice and humans: ectopic activation of bivalent Polycomb-silenced domains and loss of expression at an epigenomically unique class of lineage-defining genes...
May 4, 2018: Cell Metabolism
https://www.readbyqxmd.com/read/29750601/allelic-heterogeneity-of-lamin-a-c-phenotypes-and-molecular-mechanism-behind-it
#20
Jelena Perovanovic, Eric P Hoffman
Mutations in the LMNA gene cause a broad range of clinical syndromes that show tissue-restricted abnormalities of post mitotic tissues, such as muscle, nerve, heart, and adipose tissue. Mutations in other nuclear envelope proteins cause clinically overlapping disorders. The majority of mutations are dominant single amino acid changes (toxic protein produced by the single mutant gene), and patients are heterozygous with both normal and abnormal proteins. Experimental support has been provided for different models of cellular pathogenesis in nuclear envelope diseases, including changes in heterochromatin formation at the nuclear membrane (epigenomics), changes in the timing of steps during terminal differentiation of cells, and structural abnormalities of the nuclear membrane...
May 11, 2018: Physiological Genomics
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