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[18F]DPA-714 PET imaging shows immunomodulatory effect of intravenous administration of bone marrow stromal cells after transient focal ischemia.

Chengbo Tan | Songji Zhao | Kei Higashikawa | Zifeng Wang | Masahito Kawabori | Takeo Abumiya | Naoki Nakayama | Ken Kazumata | Naoyuki Ukon | Hironobu Yasui | Nagara Tamaki | Yuji Kuge | Hideo Shichinohe | Kiyohiro Houkin
EJNMMI research | 2018

The potential application of bone marrow stromal cell (BMSC) therapy in stroke has been anticipated due to its immunomodulatory effects. Recently, positron emission tomography (PET) with [18F]DPA-714, a translocator protein (TSPO) ligand, has become available for use as a neural inflammatory indicator. We aimed to evaluate the effects of BMSC administration after transient middle cerebral artery occlusion (MCAO) using [18F]DPA-714 PET. The BMSCs or vehicle were administered intravenously to rat MCAO models at 3 h after the insult. Neurological deficits, body weight, infarct volume, and histology were analyzed. [18F]DPA-714 PET was performed 3 and 10 days after MCAO.

Pubmed ID: 29717383

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