PET imaging–based evaluation of hepatobiliary transport in humans with (15R)-11C-TIC-Me

T Takashima, S Kitamura, Y Wada… - Journal of Nuclear …, 2012 - Soc Nuclear Med
It is well accepted that drug transporters play a pivotal role in hepatobiliary excretion of anionic
drugs, in which drug–drug interactions and genetic polymorphisms are known to cause …

In vivo expression of cyclooxygenase-1 in activated microglia and macrophages during neuroinflammation visualized by PET with 11C-ketoprofen methyl ester

M Shukuri, M Takashima-Hirano… - Journal of Nuclear …, 2011 - Soc Nuclear Med
Cyclooxygenase (COX)-1 and -2 are prostanoid-synthesizing enzymes that play important
roles in the regulation of neuroinflammation and in the development of neurodegenerative …

mRNA Expression and Transport Characterization of Conditionally Immortalized Rat Brain Capillary Endothelial Cell Lines; a New in vitro BBB Model for Drug …

KI Hosoya, T Takashima, K Tetsuka… - Journal of drug …, 2000 - Taylor & Francis
Brain capillary endothelial cell lines (TR-BBB) were established from a recently developed
transgenic rat harboring temperature-sensitive simian virus 40 (ts SV 40) large T-antigen …

Effect of cyclosporin A and impact of dose staggering on OATP1B1/1B3 endogenous substrates and drug probes for assessing clinical drug interactions

…, X Chu, Y Lai, T Takashima… - Clinical …, 2022 - Wiley Online Library
This study was designed to assess the quantitative performance of endogenous biomarkers
for organic anion transporting polypeptide (OATP) 1B1/1B3‐mediated drug‐drug …

Evaluation of Oatp and Mrp2 activities in hepatobiliary excretion using newly developed positron emission tomography tracer [11C] dehydropravastatin in rats

T Shingaki, T Takashima, R Ijuin, X Zhang… - … of Pharmacology and …, 2013 - ASPET
… by rifampicin at the dose examined was also suggested by the use of another PET ligand,
15R-[ 11 C]TIC, the biliary excretion of which was also mainly mediated by Mrp2 (Takashima

11C-PK11195 PET for the in vivo evaluation of neuroinflammation in the rat brain after cortical spreading depression

Y Cui, T Takashima, M Takashima-Hirano… - Journal of Nuclear …, 2009 - Soc Nuclear Med
Neurogenic inflammation triggered by extravasation of plasma protein has been hypothesized
as a key factor in the generation of the pain sensation associated with migraine. The …

Physiologically‐based pharmacokinetic model‐based translation of OATP1B‐mediated drug–drug interactions from coproporphyrin I to probe drugs

…, K Rockich, K Taskar, T Takashima… - Clinical and …, 2022 - Wiley Online Library
The accurate prediction of OATP1B‐mediated drug–drug interactions (DDIs) is challenging
for drug development. Here, we report a physiologically‐based pharmacokinetic (PBPK) …

General Method for the 11C‐Labeling of 2‐Arylpropionic Acids and Their Esters: Construction of a PET Tracer Library for a Study of Biological Events Involved in …

M Takashima‐Hirano, M Shukuri… - … A European Journal, 2010 - Wiley Online Library
Cyclooxygenase (COX) is a critical enzyme in prostaglandin biosynthesis that modulates a
wide range of biological functions, such as pain, fever, and so on. To perform in vivo COX …

The Involvement of Organic Anion Transporting Polypeptide in the Hepatic Uptake of Telmisartan in Rats: PET Studies with [11C]Telmisartan

T Takashima, Y Hashizume, Y Katayama… - Molecular …, 2011 - ACS Publications
Telmisartan, a selective angiotensin II receptor antagonist, is primarily excreted via
hepatobiliary transport. The predominant contribution of organic anion transporting polypeptide (…

[HTML][HTML] Association between aromatase in human brains and personality traits

K Takahashi, T Hosoya, K Onoe, T Takashima… - Scientific Reports, 2018 - nature.com
Aromatase, an enzyme that converts androgens to estrogens, has been reported to be involved
in several brain functions, including synaptic plasticity, neurogenesis, neuroprotection, …