Pittsburgh compound-B PET white matter imaging and cognitive function in late multiple sclerosis

Burcu Zeydan, Val Lowe, Christopher Schwarz, Scott A. Przybelski, Nirubol Tosakulwong, Samantha M. Zuk, Matthew L. Senjem, Jeffrey L. Gunter, Rosebud O Roberts, Michelle M Mielke, Eduardo E. Benarroch, Moses Rodriguez, Mary Margaret Machulda, Timothy G. Lesnick, David S Knopman, Ronald Carl Petersen, Clifford R Jr. Jack, Kejal M Kantarci, Orhun H Kantarci

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Background: There is growing interest in white matter (WM) imaging with positron emission tomography (PET). Objectives: We studied the association of cognitive function in late multiple sclerosis (MS) with cortical and WM Pittsburgh compound-B PET (PiB-PET) binding. Methods: In the population-based Mayo Clinic Study of Aging, 24 of 4869 participants had MS (12 underwent PiB-PET). Controls were age and sex matched (5:1). We used automated or semi-automated processing for quantitative image analyses and conditional logistic regression for group differences. Results: MS patients had lower memory (p = 0.03) and language (p = 0.02) performance; smaller thalamic volumes (p = 0.003); and thinner temporal (p = 0.001) and frontal (p = 0.045) cortices on magnetic resonance imaging (MRI) than controls. There was no difference in global cortical PiB standardized uptake value ratios between MS and controls (p = 0.35). PiB uptake was lower in areas of WM hyperintensities compared to normal-appearing white matter (NAWM) in MS (p = 0.0002). Reduced PiB uptake in both the areas of WM hyperintensities (r = 0.65; p = 0.02) and NAWM (r = 0.69; p = 0.01) was associated with decreased visuospatial performance in MS. Conclusion: PiB uptake in the cortex in late MS is not different from normal age-matched controls. PiB uptake in the WM in late MS may be a marker of the large network structures’ integrity such as those involved in visuospatial performance.

Original languageEnglish (US)
JournalMultiple Sclerosis Journal
DOIs
StateAccepted/In press - May 1 2017

Fingerprint

Positron-Emission Tomography
Cognition
Multiple Sclerosis
White Matter
2-(4'-(methylamino)phenyl)-6-hydroxybenzothiazole
Language
Logistic Models
Magnetic Resonance Imaging
Population

Keywords

  • cognition
  • multiple sclerosis
  • myelin
  • PET
  • Pittsburgh compound-B
  • thalamus

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

Cite this

Pittsburgh compound-B PET white matter imaging and cognitive function in late multiple sclerosis. / Zeydan, Burcu; Lowe, Val; Schwarz, Christopher; Przybelski, Scott A.; Tosakulwong, Nirubol; Zuk, Samantha M.; Senjem, Matthew L.; Gunter, Jeffrey L.; Roberts, Rosebud O; Mielke, Michelle M; Benarroch, Eduardo E.; Rodriguez, Moses; Machulda, Mary Margaret; Lesnick, Timothy G.; Knopman, David S; Petersen, Ronald Carl; Jack, Clifford R Jr.; Kantarci, Kejal M; Kantarci, Orhun H.

In: Multiple Sclerosis Journal, 01.05.2017.

Research output: Contribution to journalArticle

Zeydan, Burcu ; Lowe, Val ; Schwarz, Christopher ; Przybelski, Scott A. ; Tosakulwong, Nirubol ; Zuk, Samantha M. ; Senjem, Matthew L. ; Gunter, Jeffrey L. ; Roberts, Rosebud O ; Mielke, Michelle M ; Benarroch, Eduardo E. ; Rodriguez, Moses ; Machulda, Mary Margaret ; Lesnick, Timothy G. ; Knopman, David S ; Petersen, Ronald Carl ; Jack, Clifford R Jr. ; Kantarci, Kejal M ; Kantarci, Orhun H. / Pittsburgh compound-B PET white matter imaging and cognitive function in late multiple sclerosis. In: Multiple Sclerosis Journal. 2017.
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abstract = "Background: There is growing interest in white matter (WM) imaging with positron emission tomography (PET). Objectives: We studied the association of cognitive function in late multiple sclerosis (MS) with cortical and WM Pittsburgh compound-B PET (PiB-PET) binding. Methods: In the population-based Mayo Clinic Study of Aging, 24 of 4869 participants had MS (12 underwent PiB-PET). Controls were age and sex matched (5:1). We used automated or semi-automated processing for quantitative image analyses and conditional logistic regression for group differences. Results: MS patients had lower memory (p = 0.03) and language (p = 0.02) performance; smaller thalamic volumes (p = 0.003); and thinner temporal (p = 0.001) and frontal (p = 0.045) cortices on magnetic resonance imaging (MRI) than controls. There was no difference in global cortical PiB standardized uptake value ratios between MS and controls (p = 0.35). PiB uptake was lower in areas of WM hyperintensities compared to normal-appearing white matter (NAWM) in MS (p = 0.0002). Reduced PiB uptake in both the areas of WM hyperintensities (r = 0.65; p = 0.02) and NAWM (r = 0.69; p = 0.01) was associated with decreased visuospatial performance in MS. Conclusion: PiB uptake in the cortex in late MS is not different from normal age-matched controls. PiB uptake in the WM in late MS may be a marker of the large network structures’ integrity such as those involved in visuospatial performance.",
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AU - Zeydan, Burcu

AU - Lowe, Val

AU - Schwarz, Christopher

AU - Przybelski, Scott A.

AU - Tosakulwong, Nirubol

AU - Zuk, Samantha M.

AU - Senjem, Matthew L.

AU - Gunter, Jeffrey L.

AU - Roberts, Rosebud O

AU - Mielke, Michelle M

AU - Benarroch, Eduardo E.

AU - Rodriguez, Moses

AU - Machulda, Mary Margaret

AU - Lesnick, Timothy G.

AU - Knopman, David S

AU - Petersen, Ronald Carl

AU - Jack, Clifford R Jr.

AU - Kantarci, Kejal M

AU - Kantarci, Orhun H

PY - 2017/5/1

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N2 - Background: There is growing interest in white matter (WM) imaging with positron emission tomography (PET). Objectives: We studied the association of cognitive function in late multiple sclerosis (MS) with cortical and WM Pittsburgh compound-B PET (PiB-PET) binding. Methods: In the population-based Mayo Clinic Study of Aging, 24 of 4869 participants had MS (12 underwent PiB-PET). Controls were age and sex matched (5:1). We used automated or semi-automated processing for quantitative image analyses and conditional logistic regression for group differences. Results: MS patients had lower memory (p = 0.03) and language (p = 0.02) performance; smaller thalamic volumes (p = 0.003); and thinner temporal (p = 0.001) and frontal (p = 0.045) cortices on magnetic resonance imaging (MRI) than controls. There was no difference in global cortical PiB standardized uptake value ratios between MS and controls (p = 0.35). PiB uptake was lower in areas of WM hyperintensities compared to normal-appearing white matter (NAWM) in MS (p = 0.0002). Reduced PiB uptake in both the areas of WM hyperintensities (r = 0.65; p = 0.02) and NAWM (r = 0.69; p = 0.01) was associated with decreased visuospatial performance in MS. Conclusion: PiB uptake in the cortex in late MS is not different from normal age-matched controls. PiB uptake in the WM in late MS may be a marker of the large network structures’ integrity such as those involved in visuospatial performance.

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