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https://www.readbyqxmd.com/read/28515936/pulse-dose-steroids-in-severe-pulmonary-arterial-hypertension-secondary-to-systemic-lupus-erythematosus
#1
Cody Lee, Jean Elwing
OBJECTIVE: The pulmonary vascular targeted treatment for systemic lupus erythematosus-associated pulmonary arterial hypertension is similar to other connective tissue disease-associated pulmonary arterial hypertension. In addition, there also appears to be a role for immunosuppression in the overall management. However, the optimal immunosuppressive regimen and what patients will respond to treatments are currently not clearly elucidated given the lack of randomized controlled trials on the subject...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28515235/insulin-like-growth-factor-signaling-regulates-developmental-trajectory-associated-with-diapause-in-embryos-of-the-annual-killifish-austrofundulus-limnaeus
#2
S Cody Woll, Jason E Podrabsky
Annual killifishes exhibit a number of unique life history characters including the occurrence of embryonic diapause, unique cell movements associated with dispersion and subsequent reaggregation of the embryonic blastomeres, and a short post-embryonic life span. Insulin-like growth factor (IGF) signaling is known to play a role in the regulation of metabolic dormancy in a number of animals but has not been explored in annual killifishes. The abundance of IGF proteins during development, and the developmental effects of blocking IGF signaling by pharmacological inhibition of the insulin-like growth factor I receptor (IGF1R) were explored in embryos of the annual killifish Austrofundulus limnaeus Blocking of IGF signaling in embryos that would normally escape entrance into diapause resulted in a phenotype that was remarkably similar to embryos entering diapause...
May 17, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28507025/cutting-edge-defective-aerobic-glycolysis-defines-the-distinct-effector-function-in-antigen-activated-cd8-recent-thymic-emigrants
#3
Cody A Cunningham, Tessa Bergsbaken, Pamela J Fink
Recent thymic emigrants (RTEs) are the youngest peripheral T cells that have completed thymic selection and egress to the lymphoid periphery. RTEs are functionally distinct from their more mature but still naive T cell counterparts, because they exhibit dampened proliferation and reduced cytokine production upon activation. In this article, we show that, compared with more mature but still naive T cells, RTEs are impaired in their ability to perform aerobic glycolysis following activation. Impaired metabolism underlies the reduced IFN-γ production observed in activated RTEs...
May 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28502803/gene-co-expression-networks-identify-trem2-and-tyrobp-as-major-hubs-in-human-apoe-expressing-mice-following-traumatic-brain-injury
#4
Emilie L Castranio, Anais Mounier, Cody M Wolfe, Kyong Nyon Nam, Nicholas F Fitz, Florent Letronne, Jonathan Schug, Radosveta Koldamova, Iliya Lefterov
Traumatic brain injury (TBI) is strongly linked to an increased risk of developing dementia, including chronic traumatic encephalopathy and possibly Alzheimer's disease (AD). APOEε4 allele of human Apolipoprotein E (APOE) gene is the major genetic risk factor for late onset AD and has been associated with chronic traumatic encephalopathy and unfavorable outcome following TBI. To determine if there is an APOE isoform-specific response to TBI we performed controlled cortical impact on 3-month-old mice expressing human APOE3 or APOE4 isoforms...
May 11, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28501609/return-on-investment-from-fuel-treatments-to-reduce-severe-wildfire-and-erosion-in-a-watershed-investment-program-in-colorado
#5
Kelly W Jones, Jeffery B Cannon, Freddy A Saavedra, Stephanie K Kampf, Robert N Addington, Antony S Cheng, Lee H MacDonald, Codie Wilson, Brett Wolk
A small but growing number of watershed investment programs in the western United States focus on wildfire risk reduction to municipal water supplies. This paper used return on investment (ROI) analysis to quantify how the amounts and placement of fuel treatment interventions would reduce sediment loading to the Strontia Springs Reservoir in the Upper South Platte River watershed southwest of Denver, Colorado following an extreme fire event. We simulated various extents of fuel mitigation activities under two placement strategies: (a) a strategic treatment prioritization map and (b) accessibility...
May 11, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28500233/nanoformulation-of-olaparib-amplifies-parp-inhibition-and-sensitizes-pten-tp53-deficient-prostate-cancer-to-radiation
#6
Anne L van de Ven, Shifalika Tangutoori, Paige Baldwin, Ju Qiao, Codi Gharagouzloo, Nina Seitzer, John G Clohessy, G Mike Makrigiorgos, Robert Cormack, Pier Paolo Pandolfi, Srinivas Sridhar
The use of PARP inhibitors in combination with radiation therapy is a promising strategy to locally enhance DNA-damage in tumors. Here we show that radiation-resistant cells and tumors derived from a Pten/Trp53-deficient mouse model of advanced prostate cancer are rendered radiation-sensitive following treatment with NanoOlaparib, a lipid-based injectable nanoformulation of Olaparib. This enhancement in radiosensitivity is accompanied by radiation dose-dependent changes in γ-H2AX expression and is specific to NanoOlaparib alone...
May 12, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28494587/fabrication-and-electrochemical-performance-of-structured-mesoscale-open-shell-v2o5-networks
#7
Cody J Chalker, Hyosung An, Jose Alejandro Zavala, Abhishek Parija, Sarbajit Banerjee, Jodie L Lutkenhaus, James D Batteas
Crystalline vanadium pentoxide (V2O5) has attracted significant interest as a potential cathode material for energy storage applications due to its high theoretical capacity. Unfortunately, the material suffers from low conductivity as well as slow lithium ion diffusion, both of which affect how fast the electrode can be charged/discharged and how many times it can be cycled. Colloidal crystal templating (CCT) provides a simple approach to create well organized 3-D nanostructures of materials, resulting in a significant increase in surface area that can lead to marked improvements in electrochemical performance...
May 11, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28493321/local-genes-for-local-bacteria-evidence-of-allopatry-in-the-genomes-of-transatlantic-campylobacter-populations
#8
Ben Pascoe, Guillaume Méric, Koji Yahara, Helen Wimalarathna, Susan Murray, Matthew D Hitchings, Emma L Sproston, Catherine D Carrillo, Eduardo N Taboada, Kerry K Cooper, Steven Huynh, Alison J Cody, Keith A Jolley, Martin C J Maiden, Noel D McCarthy, Xavier Didelot, Craig T Parker, Samuel K Sheppard
The genetic structure of bacterial populations can be related to geographical locations of isolation. In some species, there is a strong correlation between geographical distance and genetic distance, which can be caused by different evolutionary mechanisms. Patterns of ancient admixture in Helicobacter pylori can be reconstructed in concordance with past human migration, whereas in Mycobacterium tuberculosis it is the lack of recombination that causes allopatric clusters. In Campylobacter, analyses of genomic data and molecular typing have been successful in determining the reservoir host species, but not geographical origin...
May 10, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28490200/human-bocavirus-type-1-capsid-facilitates-the-transduction-of-ferret-airways-by-adeno-associated-virus-genomes
#9
Ziying Yan, Zehua Feng, Xingshen Sun, Yulong Zhang, Wei Zou, Zekun Wang, Chandler Jensen-Cody, Bo Liang, Soo-Yeun Park, Jianming Qiu, John F Engelhardt
Human bocavirus type-1 (HBoV1) has a high tropism for the apical membrane of human airway epithelia. The packaging of a recombinant adeno-associated virus 2 (rAAV2) genome into HBoV1 capsid produces a chimeric vector (rAAV2/HBoV1) that also efficiently transduces human airway epithelia. As such, this vector is attractive for use in gene therapies to treat lung diseases such as cystic fibrosis. However, preclinical development of rAAV2/HBoV1 vectors has been hindered by the fact that humans are the only known host for HBoV1 infection...
May 10, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28488026/carfilzomib-and-lenalidomide-response-related-to-vegf-and-vegfr2-germline-polymorphisms
#10
Tristan M Sissung, Cody J Peer, Neha Korde, Sham Mailankody, Dickran Kazandjian, David J Venzon, Ola Landgren, William D Figg
The combination of carfilzomib, lenalidomide, and dexamethasone (CRd) has induced deep responses in patients with newly diagnosed multiple myeloma. While vascular endothelial growth factor (VEGF) pathway polymorphisms have been associated with clinical outcomes for antiangiogenesis agents, we explored associations between such polymorphisms and CRd clinical response. The VEGF-1498C>T (rs833061) and VEGFR2 V297I (rs2305948) were associated with CRd response (OR ≤ 0.10, P ≤ 0.009), whereas VEGF-1498C>T and VEGFR2 Q472H (rs1870377) were associated with minimum residual disease negativity (P ≤ 0...
May 9, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28487641/concordance-of-the-resting-state-networks-in-typically-developing-6-to-7-year-old-children-and-healthy-adults
#11
Cody L Thornburgh, Shalini Narayana, Roozbeh Rezaie, Bella N Bydlinski, Frances A Tylavsky, Andrew C Papanicolaou, Asim F Choudhri, Eszter Völgyi
Though fairly well-studied in adults, less is known about the manifestation of resting state networks (RSN) in children. We examined the validity of RSN derived in an ethnically diverse group of typically developing 6- to 7-year-old children. We hypothesized that the RSNs in young children would be robust and would reliably show significant concordance with previously published RSN in adults. Additionally, we hypothesized that a smaller sample size using this robust technique would be comparable in quality to pediatric RSNs found in a larger cohort study...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28483855/the-association-of-metal-homeostasis-and-p-ppgpp-regulation-in-the-pathophysiology-of-enterococcus-faecalis
#12
C Colomer-Winter, A O Gaca, J A Lemos
In Enterococcus faecalis, the regulatory nucleotides pppGpp and ppGpp, collectively (p)ppGpp, are required for growth in blood, survival within macrophages and virulence. However, a clear understanding of how (p)ppGpp promotes virulence in E. faecalis and other bacterial pathogens is still lacking. In the host, the essential transition metals iron (Fe) and manganese (Mn) are not readily available to invading pathogens because of a host-driven process called nutritional immunity. Considering its central role in adaptation to nutritional stresses, we hypothesized that (p)ppGpp mediates E...
May 8, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28483193/expression-of-complete-siv-p27-gag-and-hiv-gp120-engineered-outer-domains-targeted-by-broadly-neutralizing-antibodies-in-live-rubella-vectors
#13
Konstantin Virnik, Edmund Nesti, Cody Dail, Max Hockenbury, Yisheng Ni, Barbara K Felber, William R Schief, Ira Berkower
Infection with HIV or SIV often elicits a potent immune response to viral antigens. This includes T cells and antibodies specific for Gag and Env antigens. In contrast, when given as a vaccine, the same antigens have been weak immunogens, unable to elicit antibodies with comparable titer, durability, or neutralizing activity. We have used the live attenuated rubella vaccine strain RA27/3 as a viral vector to express HIV and SIV antigens. By mimicking an HIV infection, these vectors could elicit stronger and more durable immunity to HIV antigens...
May 31, 2017: Vaccine
https://www.readbyqxmd.com/read/28481428/embryonic-development-of-the-annual-killifish-austrofundulus-limnaeus-an-emerging-model-for-ecological-and-evolutionary-developmental-biology-research-and-instruction
#14
Jason E Podrabsky, Claire L Riggs, Amie L Romney, S Cody Woll, Josiah T Wagner, Kristin M Culpepper, Timothy G Cleaver
BACKGROUND: Austrofundulus limnaeus is an annual killifish from the Maracaibo basin of Venezuela. Annual killifishes are unique among vertebrates in their ability to enter into a state of dormancy at up to three distinct developmental stages termed diapause I, II, and III. These embryos are tolerant of a wide variety of environmental stresses and develop relatively slowly compared with nonannual fishes. RESULTS: These traits make them an excellent model for research on interactions between the genome and the environment during development, and an excellent choice for developmental biology laboratories...
May 8, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28481122/self-reported-executive-functioning-competencies-and-lifetime-aggression
#15
Alan R King, Cody M Breen, Tiffany D Russell, Brady P Nerpel, Colton R Pogalz
Neuropsychological research can be advanced through a better understanding of relationships between executive functioning (EF) behavioral competencies and the expression of aggressive behavior. While performance-based EF measures have been widely examined, links between self-report indices and practical real-life outcomes have not yet been established. Executive Functioning Index subscale scores in this sample (N = 579) were linked to trait hostility (Buss-Perry Aggression Questionnaire), aggression in the natural environment (Lifetime Acts of Violence Assessment), and conduct disorder symptoms prior to age 15...
May 8, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28475407/diagnosis-staging-and-risk-stratification-in-prostate-cancer-utilizing-diagnostic-tools-to-avoid-unnecessary-therapies-and-side-effects
#16
Louis Rodgers, Cody J Peer, William D Figg
A lack of appropriate diagnostic tools for prostate cancer has led to overdiagnosis and over treatment. In a recent publication in the New England Journal of Medicine, Hamdy et al showed no difference in the outcomes of patients that had undergone either radical prostatectomy, radiotherapy, or active monitoring. In an effort to enhance clinical stratification, the development of improved, more accurate diagnostic tools is actively being pursued. Herein, we explore recent advances in prostate cancer screening, including biomarker assays, genetic testing, and specialized fields, such as mathematical oncology...
May 5, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28473466/antagonistic-regulation-of-cell-cycle-and-differentiation-gene-programs-in-neonatal-cardiomyocytes-by-homologous-mef2-transcription-factors
#17
Cody A Desjardins, Francisco J Naya
Cardiomyocytes acquire their primary specialized function (contraction) prior to exiting the cell cycle. Proliferation and differentiation must be precisely coordinated for proper cardiac morphogenesis. Here, we have investigated the complex transcriptional mechanisms employed by cardiomyocytes to coordinate antagonistic cell cycle and differentiation gene programs through the molecular dissection of the core cardiac transcription factor, MEF2. Knockdown of individual MEF2 proteins, MEF2A, C, and D, in primary neonatal cardiomyocytes resulted in radically distinct and opposite effects on cellular homeostasis and gene regulation...
May 4, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28472295/biochemical-characterization-of-the-gtp-sensing-protein-cody-of-bacillus-anthracis
#18
Shikha Joon, Monisha Gopalani, Amit Rahi, Parul Kulshreshtha, Himanshu Gogoi, Sonika Bhatnagar, Rakesh Bhatnagar
The pleiotropism of the GTP-sensing transcriptional regulator CodY is evident by the gamut of processes that it regulates in almost all low G+C gram-positive bacteria, including general metabolism, biosynthesis of some amino acids and transport systems, nitrogen uptake, sporulation, biofilm formation, motility, and virulence. The role of CodY in virulence has been established in Bacillus anthracis, the top rated bioterrorism agent. In this study, we investigated the biochemical attributes of this global regulator...
May 3, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28471727/safety-and-clinical-activity-of-the-programmed-death-ligand-1-inhibitor-durvalumab-in-combination-with-poly-adp-ribose-polymerase-inhibitor-olaparib-or-vascular-endothelial-growth-factor-receptor-1-3-inhibitor-cediranib-in-women-s-cancers-a-dose-escalation
#19
Jung-Min Lee, Ashley Cimino-Mathews, Cody J Peer, Alexandra Zimmer, Stanley Lipkowitz, Christina M Annunziata, Liang Cao, Maria I Harrell, Elizabeth M Swisher, Nicole Houston, Dana-Adriana Botesteanu, Janis M Taube, Elizabeth Thompson, Aleksandra Ogurtsova, Haiying Xu, Jeffers Nguyen, Tony W Ho, William D Figg, Elise C Kohn
Purpose Data suggest that DNA damage by poly (ADP-ribose) polymerase inhibition and/or reduced vascular endothelial growth factor signaling by vascular endothelial growth factor receptor inhibition may complement antitumor activity of immune checkpoint blockade. We hypothesize the programmed death-ligand 1 (PD-L1) inhibitor, durvalumab, olaparib, or cediranib combinations are tolerable and active in recurrent women's cancers. Patients and Methods This phase I study tested durvalumab doublets in parallel 3 + 3 dose escalations...
May 4, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28465443/phase-i-and-preliminary-phase-ii-study-of-trc105-in-combination-with-sorafenib-in-hepatocellular-carcinoma
#20
Austin Duffy, Chi Ma, Susanna Ulahannan, Osama E Rahma, Oxana Makarova-Rusher, Liang Cao, Yunkai Yu, David Kleiner, Jane Trepel, Min-Jung Lee, Yusuke Tomita, Seth M Steinberg, Theo Heller, Baris Turkbey, Peter L Choyke, Cody J Peer, William D Figg, Bradford J Wood, Tim F Greten
Endoglin (CD105) is an endothelial membrane receptor expressed on tumor vasculature. Endoglin expression is induced by VEGF pathway inhibition. TRC105 is a chimeric IgG1 CD105 monoclonal antibody that inhibits angiogenesis, causes antibody-dependent cellular cytotoxicity (ADCC) and apoptosis of proliferating endothelium. <br /><br />Experimental Design: Patients with HCC (Childs Pugh A/B7), ECOG 0/1, were enrolled in a phase I study of TRC105 at 3, 6, 10, 15mg/kg q 2wks given with sorafenib 400mg bid...
May 2, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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