Beau Ances

Summary

Affiliation: Washington University School of Medicine
Country: USA

Publications

  1. ncbi Independent effects of HIV, aging, and HAART on brain volumetric measures
    Beau M Ances
    Department of Neurology, Washington University School of Medicine, St Louis, MO 63110, USA
    J Acquir Immune Defic Syndr 59:469-77. 2012
  2. ncbi Pathogenesis of HIV in the central nervous system
    Victor Valcour
    Memory and Aging Center, University of California San Francisco, 94143 1207, USA
    Curr HIV/AIDS Rep 8:54-61. 2011
  3. ncbi 11C-PiB imaging of human immunodeficiency virus-associated neurocognitive disorder
    Beau M Ances
    Department of Neurology, Washington University in St Louis, Campus Box 8111, 660 S Euclid Ave, St Louis, MO 63110, USA
    Arch Neurol 69:72-7. 2012
  4. ncbi HIV and chronic methamphetamine dependence affect cerebral blood flow
    Beau M Ances
    Department of Neurology, Washington University in St Louis, 660 South Euclid Ave, Box 08111, St Louis, MO 63110, USA
    J Neuroimmune Pharmacol 6:409-19. 2011
  5. ncbi Test-retest stability of calibrated BOLD-fMRI in HIV- and HIV+ subjects
    Beau Ances
    Department of Neurology, Washington University in St Louis, St Louis, MO, USA
    Neuroimage 54:2156-62. 2011
  6. ncbi Cognitively unimpaired HIV-positive subjects do not have increased 11C-PiB: a case-control study
    B M Ances
    Department of Neurology, Washington University, St Louis, MO 63110, USA
    Neurology 75:111-5. 2010
  7. ncbi HIV infection and aging independently affect brain function as measured by functional magnetic resonance imaging
    Beau M Ances
    Department of Neurology, Washington University, St Louis, Missouri, USA
    J Infect Dis 201:336-40. 2010
  8. ncbi Interaction between nitric oxide synthase inhibitor induced oscillations and the activation flow coupling response
    Beau M Ances
    Department of Neurology, Washington University in St Louis, 660 South Euclid Avenue, St Louis, MO 63110, USA
    Brain Res 1309:19-28. 2010
  9. ncbi Role of metabolic syndrome components in HIV-associated sensory neuropathy
    Beau M Ances
    Department of Neurology, Washington University, St Louis, 660 South Euclid Avenue, Box 8111, St Louis, MO 63110, USA
    AIDS 23:2317-22. 2009
  10. ncbi Resting cerebral blood flow: a potential biomarker of the effects of HIV in the brain
    B M Ances
    Department of Neurology, Washington University in St Louis, MO, USA
    Neurology 73:702-8. 2009

Detail Information

Publications17

  1. ncbi Independent effects of HIV, aging, and HAART on brain volumetric measures
    Beau M Ances
    Department of Neurology, Washington University School of Medicine, St Louis, MO 63110, USA
    J Acquir Immune Defic Syndr 59:469-77. 2012
    ..Neurocognitive impairment remains prevalent in HIV-infected (HIV+) individuals despite highly active antiretroviral therapy (HAART). We assessed the impact of HIV, HAART, and aging using structural neuroimaging...
  2. ncbi Pathogenesis of HIV in the central nervous system
    Victor Valcour
    Memory and Aging Center, University of California San Francisco, 94143 1207, USA
    Curr HIV/AIDS Rep 8:54-61. 2011
    ..This review highlights recent investigations of HIV-related CNS injury with emphasis on cART-era neuropathological mechanisms in the context of both US and international settings...
  3. ncbi 11C-PiB imaging of human immunodeficiency virus-associated neurocognitive disorder
    Beau M Ances
    Department of Neurology, Washington University in St Louis, Campus Box 8111, 660 S Euclid Ave, St Louis, MO 63110, USA
    Arch Neurol 69:72-7. 2012
    ....
  4. ncbi HIV and chronic methamphetamine dependence affect cerebral blood flow
    Beau M Ances
    Department of Neurology, Washington University in St Louis, 660 South Euclid Ave, Box 08111, St Louis, MO 63110, USA
    J Neuroimmune Pharmacol 6:409-19. 2011
    ..Abnormalities in CBF could serve as a surrogate measure for assessing the chronic effects of HIV and previous METH dependence on brain function...
  5. ncbi Test-retest stability of calibrated BOLD-fMRI in HIV- and HIV+ subjects
    Beau Ances
    Department of Neurology, Washington University in St Louis, St Louis, MO, USA
    Neuroimage 54:2156-62. 2011
    ..In contrast, these values have greater variability in clinically stable HIV+ subjects and may reflect alterations in coupling between CBF and CMRO(2) with disease...
  6. ncbi Cognitively unimpaired HIV-positive subjects do not have increased 11C-PiB: a case-control study
    B M Ances
    Department of Neurology, Washington University, St Louis, MO 63110, USA
    Neurology 75:111-5. 2010
    ..We evaluated the amyloid-binding agent (11)C-Pittsburgh compound B ((11)C-PiB), a biomarker for Alphabeta42 deposition, in cognitively unimpaired HIV+ (n = 10) participants and matched community controls without dementia (n = 20)...
  7. ncbi HIV infection and aging independently affect brain function as measured by functional magnetic resonance imaging
    Beau M Ances
    Department of Neurology, Washington University, St Louis, Missouri, USA
    J Infect Dis 201:336-40. 2010
    ..In the future, fMRI could be a noninvasive biomarker to assess HIV infection in the brain...
  8. ncbi Interaction between nitric oxide synthase inhibitor induced oscillations and the activation flow coupling response
    Beau M Ances
    Department of Neurology, Washington University in St Louis, 660 South Euclid Avenue, St Louis, MO 63110, USA
    Brain Res 1309:19-28. 2010
    ..Nitric oxide may therefore modulate the effects of other vasodilators involved in vasomotion oscillations and the AFC response...
  9. ncbi Role of metabolic syndrome components in HIV-associated sensory neuropathy
    Beau M Ances
    Department of Neurology, Washington University, St Louis, 660 South Euclid Avenue, Box 8111, St Louis, MO 63110, USA
    AIDS 23:2317-22. 2009
    ..We examined whether MetS or its components predispose individuals to HIV-associated sensory neuropathy (HIV-SN)...
  10. ncbi Resting cerebral blood flow: a potential biomarker of the effects of HIV in the brain
    B M Ances
    Department of Neurology, Washington University in St Louis, MO, USA
    Neurology 73:702-8. 2009
    ..We examined the impact of HIV on resting cerebral blood flow (rCBF) within the lenticular nuclei (LN) and visual cortex (VC)...
  11. ncbi Role of metabolic syndrome components in human immunodeficiency virus-associated stroke
    Beau M Ances
    Department of Neurology, Washington University in St Louis, St Louis, Missouri 63110, USA
    J Neurovirol 15:249-56. 2009
    ..Reducing MetS component levels in HIV+ patients could therefore protect them from subsequent stroke...
  12. ncbi Rituximab-associated progressive multifocal leukoencephalopathy in rheumatoid arthritis
    David B Clifford
    Department of Neurology, Washington University, St Louis, MO 63110, USA
    Arch Neurol 68:1156-64. 2011
    ..To describe the development of progressive multifocal leukoencephalopathy (PML) in patients with rheumatoid arthritis (RA) treated with rituximab...
  13. ncbi Signal averaged laser Doppler measurements of activation-flow coupling in the rat forepaw somatosensory cortex
    J A Detre
    Department of Neurology, University of Pennsylvania, Philadelphia 19104, USA
    Brain Res 796:91-8. 1998
    ..This finding was also observed during hypercapnia. Characterization of AFC in the model provides a background for future studies of the effects of pharmacological manipulation or pathophysiological states...
  14. ncbi The effects of graded hypercapnia on the activation flow coupling response due to forepaw stimulation in alpha-chloralose anesthetized rats
    B M Ances
    Department of Neurology, University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA
    Brain Res 911:82-8. 2001
    ..However, the absolute magnitude of the LD(CBF) change was independent of CO(2) concentration. The temporal dynamics of the LD(CBF) response during hypercapnia were significantly prolonged compared to baseline conditions (P<0.05)...
  15. ncbi Temporal dynamics of the partial pressure of brain tissue oxygen during functional forepaw stimulation in rats
    B M Ances
    Department of Neurology, University of Pennsylvania School of Medicine, 3400 Spruce Street, Philadelphia, PA 19104, USA
    Neurosci Lett 306:106-10. 2001
    ..A sustained post-stimulus undershoot in tissue pO2 was observed only for the 1 min stimulus. These findings suggest a complex dynamic relationship between oxygen utilization and blood flow...
  16. ncbi Sex differences in the cerebral blood flow response after brief hypercapnia in the rat
    B M Ances
    Department of Neurology, University of Pennsylvania, 3400 Spruce Street, Philadelphia 19104, USA
    Neurosci Lett 304:57-60. 2001
    ..These results suggest that estrogen may modulate the upregulation of the CBF response observed after transient hypercapnia...
  17. ncbi Dynamic changes in cerebral blood flow, O2 tension, and calculated cerebral metabolic rate of O2 during functional activation using oxygen phosphorescence quenching
    B M Ances
    Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
    J Cereb Blood Flow Metab 21:511-6. 2001
    ..These results suggest that a complex relation exists, with comparable changes in CBF and CMRO2 initially occurring after stimulation but excessive changes in CBF compared with CMRO2 arising with protracted stimulation...