Kim, Min-Jeong;
McGwier, Meghan;
Jenko, Kimberly J.;
Snow, Joseph;
Morse, Cheryl;
Zoghbi, Sami S.;
Pike, Victor W.;
Innis, Robert B.;
Kreisl, William C.
Neuroinflammation in frontotemporal lobar degeneration revealed by 11C‐PBR28 PET
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Media type:
E-Article
Title:
Neuroinflammation in frontotemporal lobar degeneration revealed by 11C‐PBR28 PET
Contributor:
Kim, Min-Jeong;
McGwier, Meghan;
Jenko, Kimberly J.;
Snow, Joseph;
Morse, Cheryl;
Zoghbi, Sami S.;
Pike, Victor W.;
Innis, Robert B.;
Kreisl, William C.
imprint:
Wiley, 2019
Published in:Annals of Clinical and Translational Neurology
Description:
<jats:title>Abstract</jats:title><jats:p>This study used <jats:sup>11</jats:sup>C‐PBR28 positron emission tomography (PET) imaging to determine whether levels of 18‐kDa translocator protein (TSPO), an inflammation‐specific biomarker, are increased in frontotemporal lobar degeneration (FTLD) patients. <jats:sup>11</jats:sup>C‐PBR28, <jats:sup>18</jats:sup>F‐FDG, and <jats:sup>11</jats:sup>C‐PIB brain PET scans, as well as magnetic resonance imaging (MRI), were conducted in four FTLD patients and 22 healthy controls. <jats:sup>11</jats:sup>C‐PBR28 scans revealed that all FTLD patients showed increased TSPO binding versus controls. Significantly greater increases in TSPO were observed in the frontal, lateral temporal, parietal, and occipital cortices, topographically consistent with individual clinical phenotypes and with brain MRI and <jats:sup>18</jats:sup>F‐FDG PET. Amyloid burden was not increased.</jats:p>