Ann Ragin

Summary

Affiliation: Northwestern University
Country: USA

Publications

  1. pmc Structural brain alterations can be detected early in HIV infection
    Ann B Ragin
    Department of Radiology, Feinberg School of Medicine, Northwestern University, Chicago, USA
    Neurology 79:2328-34. 2012
  2. pmc Platelet decline as a predictor of brain injury in HIV infection
    Ann B Ragin
    Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
    J Neurovirol 17:487-95. 2011
  3. pmc Marked relationship between matrix metalloproteinase 7 and brain atrophy in HIV infection
    Ann B Ragin
    Department of Radiology, Northwestern University, 737 N Michigan Avenue, Suite 1600, Chicago, IL 60611 2927, USA
    J Neurovirol 17:153-8. 2011
  4. pmc Biomarkers of neurological status in HIV infection: a 3-year study
    Ann B Ragin
    Department of Radiology, Northwestern University, Chicago, IL 60611, USA
    Proteomics Clin Appl 4:295-303. 2010
  5. pmc Serum matrix metalloproteinase levels correlate with brain injury in human immunodeficiency virus infection
    Ann B Ragin
    Department of Radiology, Northwestern University, Chicago, Illinois 60611 2927, USA
    J Neurovirol 15:275-81. 2009
  6. pmc Monocyte chemoattractant protein-1 correlates with subcortical brain injury in HIV infection
    A B Ragin
    Department of Radiology, The Children s Memorial Research Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
    Neurology 66:1255-7. 2006
  7. pmc Diffusion tensor imaging of subcortical brain injury in patients infected with human immunodeficiency virus
    Ann B Ragin
    Department of Radiology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611 2927, USA
    J Neurovirol 11:292-8. 2005
  8. pmc Disease burden in HIV-associated cognitive impairment: a study of whole-brain imaging measures
    A B Ragin
    Department of Radiology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
    Neurology 63:2293-7. 2004
  9. doi request reprint Comprehensive brain analysis with automated high-resolution magnetization transfer measurements
    Ying Wu
    Radiology, NorthShore University Healthsystem, Evanston, Illinois 60201, USA
    J Magn Reson Imaging 35:309-17. 2012
  10. doi request reprint Accelerated two- and three-dimensional cine MR imaging of the heart by using a 32-channel coil
    Amir H Davarpanah
    Department of Radiology, Northwestern University, Feinberg School of Medicine, 737 N Michigan Ave, Suite 1600, Chicago, IL 60611, USA
    Radiology 254:98-108. 2010

Detail Information

Publications13

  1. pmc Structural brain alterations can be detected early in HIV infection
    Ann B Ragin
    Department of Radiology, Feinberg School of Medicine, Northwestern University, Chicago, USA
    Neurology 79:2328-34. 2012
    ..Brain changes occurring early in HIV infection are not well characterized. The Chicago Early HIV Infection Study aimed to evaluate the presence and extent of structural brain alterations using quantitative MRI...
  2. pmc Platelet decline as a predictor of brain injury in HIV infection
    Ann B Ragin
    Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
    J Neurovirol 17:487-95. 2011
    ..Findings from a structural brain imaging substudy of older participants, however, support a possible relationship between platelet decline and reduced gray matter...
  3. pmc Marked relationship between matrix metalloproteinase 7 and brain atrophy in HIV infection
    Ann B Ragin
    Department of Radiology, Northwestern University, 737 N Michigan Avenue, Suite 1600, Chicago, IL 60611 2927, USA
    J Neurovirol 17:153-8. 2011
    ..MMP-7 was also correlated with measures of virologic and cognitive status...
  4. pmc Biomarkers of neurological status in HIV infection: a 3-year study
    Ann B Ragin
    Department of Radiology, Northwestern University, Chicago, IL 60611, USA
    Proteomics Clin Appl 4:295-303. 2010
    ..To evaluate circulating cytokines and chemokines as correlates of the degree of brain injury in individuals with advanced human immunodeficiency virus (HIV) infection...
  5. pmc Serum matrix metalloproteinase levels correlate with brain injury in human immunodeficiency virus infection
    Ann B Ragin
    Department of Radiology, Northwestern University, Chicago, Illinois 60611 2927, USA
    J Neurovirol 15:275-81. 2009
    ..MMPs may influence neurological outcome through involvement in neuroimmune response, blood-brain barrier permeability, leukocyte migration, and MMP-mediated neurotoxicity...
  6. pmc Monocyte chemoattractant protein-1 correlates with subcortical brain injury in HIV infection
    A B Ragin
    Department of Radiology, The Children s Memorial Research Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
    Neurology 66:1255-7. 2006
    ..MCP-1 levels correlated with tissue status (mean diffusivity) in all examined regions. Plasma markers were also significantly correlated with anisotropy measurements in centrum semiovale (TNF-alpha) and putamen (hematocrit)...
  7. pmc Diffusion tensor imaging of subcortical brain injury in patients infected with human immunodeficiency virus
    Ann B Ragin
    Department of Radiology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611 2927, USA
    J Neurovirol 11:292-8. 2005
    ..Findings from this investigation indicate that DTI is a sensitive tool for correlating neuroanatomic pathologic features with specific cognitive deficits in patients with HIV infection...
  8. pmc Disease burden in HIV-associated cognitive impairment: a study of whole-brain imaging measures
    A B Ragin
    Department of Radiology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
    Neurology 63:2293-7. 2004
    ....
  9. doi request reprint Comprehensive brain analysis with automated high-resolution magnetization transfer measurements
    Ying Wu
    Radiology, NorthShore University Healthsystem, Evanston, Illinois 60201, USA
    J Magn Reson Imaging 35:309-17. 2012
    ..To enhance the reliability and spatial resolution of magnetization transfer ratio (MTR) measurements for interrogation of subcortical brain regions with an automated volume of interest (VOI) approach...
  10. doi request reprint Accelerated two- and three-dimensional cine MR imaging of the heart by using a 32-channel coil
    Amir H Davarpanah
    Department of Radiology, Northwestern University, Feinberg School of Medicine, 737 N Michigan Ave, Suite 1600, Chicago, IL 60611, USA
    Radiology 254:98-108. 2010
    ....
  11. pmc Whole brain diffusion tensor imaging in HIV-associated cognitive impairment
    Ann B Ragin
    Department of Radiology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
    AJNR Am J Neuroradiol 25:195-200. 2004
    ..This investigation evaluated the prognostic significance of whole brain histogram-derived diffusion tensor imaging indices with respect to severity of cognitive impairment and measures of clinical status in cases of HIV...
  12. doi request reprint Rapid whole-brain magnetic resonance imaging with isotropic resolution at 3 Tesla
    Robert R Edelman
    Department of Radiology, Evanston Northwestern Healthcare, Evanston, IL 60201, USA
    Invest Radiol 44:54-9. 2009
    ..Although further clinical study is needed in a larger patient cohort, these initial results suggest substantial clinical promise for the technique...
  13. pmc Single voxel magnetic resonance spectroscopy at 3 Tesla in a memory disorders clinic: early right hippocampal NAA/Cr loss in mildly impaired subjects
    MARIA T CASERTA
    Department of Psychiatry, University of Chicago, Chicago, IL 60637, USA
    Psychiatry Res 164:154-9. 2008
    ..These findings suggest that RH NAA/Cr ratios measured at 3 Tesla may be a sensitive marker of future progression to dementia in a clinically defined population with isolated memory complaints...

Research Grants6

  1. MRI Study of Aggressive Individuals
    Ann Ragin; Fiscal Year: 2003
    ..Data obtained in this study will yield findings regarding brain structures potentially involved in impulsive aggression and provide insights concerning etiological factors in Intermittent Explosive Disorder. ..
  2. A Diffusion Tensor Imaging Study of HIV-Dementia
    Ann Ragin; Fiscal Year: 2006
    ..Experience gained during the proposed award will lay the foundation for further independent investigations of neurobiological factors in HIV-D. ..
  3. A Multiparametric MR Study of Early and Late Stage HIV Infection
    Ann Ragin; Fiscal Year: 2007
    ..Changes occurring in the bone marrow will also be studied as indicators of increased risk of brain injury in HIV patients. ..
  4. A Multiparametric MR Study of Early and Late Stage HIV Infection
    Ann B Ragin; Fiscal Year: 2010
    ..Changes occurring in the bone marrow will also be studied as indicators of increased risk of brain injury in HIV patients. ..