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Jatinder Singh, Ryan C Johnson, Carey D Schlett, Emad M Elassal, Katrina B Crawford, Deepika Mor, Jeffrey B Lanier, Natasha N Law, William A Walters, Nimfa Teneza-Mora, Jason W Bennett, Eric R Hall, Eugene V Millar, Michael W Ellis, D Scott Merrell
Skin and soft tissue infections (SSTIs) are common in the general population, with increased prevalence among military trainees. Previous research has revealed numerous nasal microbial signatures that correlate with SSTI development and Staphylococcus aureus colonization. Thus, we hypothesized that the ecology of the inguinal, oropharynx, and perianal regions may also be altered in response to SSTI and/or S. aureus colonization. We collected body site samples from 46 military trainees with purulent abscess (SSTI group) as well as from 66 asymptomatic controls (non-SSTI group)...
September 2016: MSphere
Kiyoun Lee, Megan L Lanier, Jae-Hwan Kwak, Hyoungsu Kim, Jiyong Hong
Covering: 2005 to 2016Clavosolides A-D and cyanolide A are glycosidic macrolides and represent a new family of marine natural products. They possess a number of unusual structural features and have attracted considerable interest from the synthetic community. This review presents a comprehensive survey of all aspects of the clavosolides A-D and cyanolide A. Specific topics include isolation, structure determination, biological activity, and synthetic approaches.
September 12, 2016: Natural Product Reports
Thomas W Bastian, William C von Hohenberg, Daniel J Mickelson, Lorene M Lanier, Michael K Georgieff
Iron deficiency (ID), with and without anemia, affects an estimated 2 billion people worldwide. ID is particularly deleterious during early-life brain development, leading to long-term neurological impairments including deficits in hippocampus-mediated learning and memory. Neonatal rats with fetal/neonatal ID anemia (IDA) have shorter hippocampal CA1 apical dendrites with disorganized branching. ID-induced dendritic structural abnormalities persist into adulthood despite normalization of the iron status. However, the specific developmental effects of neuronal iron loss on hippocampal neuron dendrite growth and branching are unknown...
September 27, 2016: Developmental Neuroscience
Viola Lanier, Corey Gillespie, Merle Leffers, Danielle Daley-Brown, Joy Milner, Crystal Lipsey, Nia Webb, Leonard M Anderson, Gale Newman, Johannes Waltenberger, Ruben Rene Gonzalez-Perez
Leptin increases vascular endothelial growth factor (VEGF), VEGF receptor-2 (VEGFR-2), and Notch expression in cancer cells, and transphosphorylates VEGFR-2 in endothelial cells. However, the mechanisms involved in leptin's actions in endothelial cells are not completely known. Here we investigated whether a leptin-VEGFR-Notch axis is involved in these leptin's actions. To this end, human umbilical vein and porcine aortic endothelial cells (wild type and genetically modified to overexpress VEGFR-1 or -2) were cultured in the absence of VEGF and treated with leptin and inhibitors of Notch (gamma-secretase inhibitors: DAPT and S2188, and silencing RNA), VEGFR (kinase inhibitor: SU5416, and silencing RNA) and leptin receptor, OB-R (pegylated leptin peptide receptor antagonist 2: PEG-LPrA2)...
October 2016: International Journal of Biochemistry & Cell Biology
Elaine M Lanier-Bohan, Susan L Heath
Deep brain stimulation (DBS) has developed into an important therapy for Parkinson disease, essential tremor, and dystonia with more nurses in varied settings often preparing patients and families for this type of surgery. This exploratory study sought to obtain patient and caregiver perspectives of the current DBS teaching for Parkinson disease, essential tremor, and dystonia; to improve the teaching; and to standardize the education. Using survey methodology, 41 patients with movement disorder and 32 caregivers completed surveys about the preoperative instructions they received...
October 2016: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
Steven T Lanier, Jennifer E Fligor, Kyle R Miller, Gregory A Dumanian
BACKGROUND: Our objective was to determine outcomes for complex ventral hernia repairs in a large cohort of patients utilizing an operative construct employing retrorectus placement of a narrow, macroporous polypropylene mesh with up to 45 suture fixation points for force distribution. No consensus exists on the optimal technique for repair of complex ventral hernias. Current trends emphasize large meshes with wide overlaps and minimal suture fixation, though reported complications and recurrence remain problematic...
August 18, 2016: Surgery
Loretta Sweet Jemmott, John B Jemmott, Yzette Lanier, Ciarra Thompson, Jillian Lucas Baker
Young, heterosexual African American men ages 18 to 24 years continue to be at high risk for HIV and other sexually transmitted infections. However, few interventions have been designed to meet the needs of this "forgotten" population. The article describes the systematic development of a theory-based, culturally-tailored, gender-specific, barbershop-based HIV risk reduction intervention for heterosexual African American men ages 18 to 24. The process included developing a community advisory board, selecting a guiding theoretical framework, incorporating community-based participatory research principles, and conducting formative research with African American males, barbers, and barbershop owners...
August 12, 2016: Health Promotion Practice
David S Warner, William L Lanier
No abstract text is available yet for this article.
August 8, 2016: Anesthesiology
Lanier Heyburn, Michaeline L Hebron, Jacqueline Smith, Charisse Winston, John Bechara, Zhaoxia Li, Irina Lonskaya, Mark P Burns, Brent Harris, Charbel E-H Moussa
The trans-activating response DNA/RNA binding protein (TDP)-43 pathology is associated with many neurodegenerative diseases via unknown mechanisms. Here, we use a transgenic mouse model overexpressing human wild-type neuronal TDP-43 to study the effects of TDP-43 pathology on glutamate metabolism and synaptic function. We found that neuronal TDP-43 overexpression affects synaptic protein expression, including Synapsin-1 and alters surrounding astrocytic function. TDP-43 over-expression is associated with an increase in glutamate and GABA and reduction of glutamine and aspartate levels, indicating impairment of pre-synaptic terminal...
August 10, 2016: Journal of Neurochemistry
Chieko Mineo, Lane Lanier, Eunjeong Jung, Samarpita Sengupta, Victoria Ulrich, Anastasia Sacharidou, Cristina Tarango, Olutoye Osunbunmi, Yu-Min Shen, Jane E Salmon, Rolf A Brekken, Xianming Huang, Philip E Thorpe, Philip W Shaul
In the antiphospholipid syndrome (APS), patients produce antiphospholipid antibodies (aPL) that promote thrombosis and adverse pregnancy outcomes. Current therapy with anticoagulation is only partially effective and associated with multiple complications. We previously discovered that aPL recognition of cell surface β2-glycoprotein I (β2-GPI) initiates apolipoprotein E receptor 2 (apoER2)-dependent signaling in endothelial cells and in placental trophoblasts that ultimately promotes thrombosis and fetal loss, respectively...
2016: PloS One
Mrinal M Gounder, Alona Zer, William D Tap, Samer Salah, Mark A Dickson, Abha A Gupta, Mary Louise Keohan, Herbert H Loong, Sandra P D'Angelo, Stephanie Baker, Mercedes Condy, Kjirsten Nyquist-Schultz, Lanier Tanner, Joseph P Erinjeri, Francis H Jasmine, Sharon Friedlander, Robert Carlson, Thaddeus J Unger, Jean-Richard Saint-Martin, Tami Rashal, Joel Ellis, Michael Kauffman, Sharon Shacham, Gary K Schwartz, Albiruni Ryan Abdul Razak
PURPOSE: We evaluated the pharmacokinetics (PKs), pharmacodynamics, safety, and efficacy of selinexor, an oral selective inhibitor of nuclear export compound, in patients with advanced soft tissue or bone sarcoma with progressive disease. PATIENTS AND METHODS: Fifty-four patients were treated with oral selinexor twice per week (on days 1 and 3) at one of three doses (30 mg/m(2), 50 mg/m(2), or flat dose of 60 mg) either continuously or on a schedule of 3 weeks on, 1 week off...
September 10, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
Tsukasa Nabekura, Lewis L Lanier
Natural killer (NK) cells are important in host defense against pathogens, and they can subsequently differentiate into memory NK cells. The Ly49 and KIR gene families in rodents and humans encode both inhibitory and activating receptors for MHC class I. The physiological role of activating KIR or Ly49 receptors that recognize self-MHC class I during immune response to viral infections is unknown. Here, we address how the activating Ly49D receptor impacts the NK cell response to mouse cytomegalovirus (MCMV) infection by comparing the activation and differentiation of Ly49D-bearing NK cells in mice lacking or expressing H-2D(d), the cognate MHC class I ligand of Ly49D...
July 19, 2016: Immunity
Melany Cueva, Regina Kuhnley, Anne Lanier, Mark Dignan, Laura Revels, Nancy E Schoenberg, Katie Cueva
Cancer is the leading cause of mortality among Alaska Native people. Over half of Alaska Native people live in rural communities where specially trained community members called Community Health Aides/Practitioners (CHA/Ps) provide health care. In response to CHA/Ps' expressed desire to learn more about cancer, four 5-day cancer education and digital storytelling courses were provided in 2014. Throughout each course, participants explored cancer information, reflected on their personal experiences, and envisioned how they might apply their knowledge within their communities...
2016: International Journal of Indigenous Health
Kathryn A Lanier, Shreyas S Athavale, Anton S Petrov, Roger Wartell, Loren Dean Williams
In a model describing the origin and evolution of the translation system, ribosomal RNA (rRNA) grew in size by accretion [Petrov, A. S., et al. (2015) History of the Ribosome and the Origin of Translation. Proc. Natl. Acad. Sci. U.S.A. 112, 15396-15401]. Large rRNAs were built up by iterative incorporation and encasement of small folded RNAs, in analogy with addition of new LEGOs onto the surface of a preexisting LEGO assembly. In this model, rRNA robustness in folding arises from inherited autonomy of local folding...
August 23, 2016: Biochemistry
A L Bennett, L E Williams, M W Ferguson, M L Hauck, S E Suter, C B Lanier, P R Hess
Acute leukaemia (AL) is a bone marrow malignancy of hematopoietic progenitors that historically is poorly responsive to treatment. With the widespread adoption of dose-intense chemotherapy, more human patients attain long-term survivals, but whether comparable progress has been made in canine AL is unknown. To investigate this question, medical records from three academic veterinary hospitals were reviewed. Fifty dogs met the criteria for AL, having excess circulating or marrow blasts, a major cytopenia(s), and no substantial lymphadenopathy...
July 12, 2016: Veterinary and Comparative Oncology
Hergen Spits, Jochem H Bernink, Lewis Lanier
Innate lymphoid cells (ILCs) are effectors and regulators of innate immunity and tissue modeling and repair. Researchers have identified subsets of ILCs with differing functional activities, capacities to produce cytokines and transcription factors required for development and function. Natural killer (NK) cells represent the prototypical member of the ILC family. Together with ILC1s, NK cells constitute group 1 ILCs, which are characterized by their capacity to produce interferon-γ and their functional dependence on the transcription factor T-bet...
June 21, 2016: Nature Immunology
Matthew W Dyer, Amy Gnagey, Bryan T Jones, Roger D Pula, William L Lanier, John L D Atkinson, Jeffrey J Pasternak
BACKGROUND: Thyroid-stimulating hormone (TSH)-secreting pituitary adenomas are a rare cause of secondary hyperthyroidism. Anesthetic management of these patients has not been formally described in the literature. MATERIALS AND METHODS: Patients who underwent resection of a TSH-secreting pituitary adenoma during 1987 to 2012 at a single institution were identified. Preoperative thyroid hormone state, anesthetic management, and outcome were recorded. Hemodynamic associations with intraoperative events were compared between those who were hyperthyroid and euthyroid at the time of surgery...
June 17, 2016: Journal of Neurosurgical Anesthesiology
Jeffrey B Lanier, David C Bury, Sean W Richardson
Cardiovascular disease (CVD) is the leading cause of death in the United States. One-third of these deaths may be preventable through healthy lifestyle choices including diet and physical activity. The Mediterranean diet is associated with reduced cardiovascular mortality, whereas the Dietary Approaches to Stop Hypertension (DASH) eating plan is associated with a reduced risk of coronary artery disease. Substituting dietary saturated fat with polyunsaturated fatty acids is associated with improved cardiovascular outcomes, although exogenous supplementation with omega-3 fatty acids does not improve cardiovascular outcomes...
June 1, 2016: American Family Physician
Arash Velayati, Marcos G Valerio, Michael Shen, Sohaib Tariq, Gregg M Lanier, Wilbert S Aronow
Pulmonary artery hypertension (PAH) refers to several subgroups of disease in which the mean pulmonary artery pressure (mPAP) is elevated to more than 25 mm Hg, pulmonary artery wedge pressure (PAWP) ≤ 15 mmHg, and an elevated pulmonary vascular resistance (PVR) > 3 Wood units as confirmed by right heart catheterization. The prevalence and geographic distribution of PAH vary depending on the type and etiology of the disease. Despite enormous efforts in the research and development of therapeutic agents in the last twenty years, the disease remains relatively incurable and the overall prognosis remains guarded...
June 2016: Postgraduate Medicine
Lisa de Saxe Zerden, Anne Jones, Paul Lanier, Mark W Fraser
No abstract text is available yet for this article.
June 2016: American Journal of Public Health
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