[HTML][HTML] Molecular and functional identification of sodium ion-dependent, high affinity human carnitine transporter OCTN2

I Tamai, R Ohashi, J Nezu, H Yabuuchi, A Oku… - Journal of Biological …, 1998 - ASBMB
Primary carnitine deficiency, because of a defect of the tissue plasma membrane carnitine
transporters, causes critical symptoms. However, the transporter has not been molecularly …

Molecular identification and characterization of novel members of the human organic anion transporter (OATP) family

I Tamai, J Nezu, H Uchino, Y Sai, A Oku… - Biochemical and …, 2000 - Elsevier
We identified three novel transporters structurally belonging to the organic anion transporting
polypeptide (OATP) family in humans. Since previously known rat oatp1 to 3 do not …

Primary systemic carnitine deficiency is caused by mutations in a gene encoding sodium ion-dependent carnitine transporter

J Nezu, I Tamai, A Oku, R Ohashi, H Yabuuchi… - Nature …, 1999 - nature.com
Primary systemic carnitine deficiency (SCD; OMIM 212140) is an autosomal recessive disorder
characterized by progressive cardiomyopathy, skeletal myopathy, hypoglycaemia and …

[HTML][HTML] A novel type of vascular endothelial growth factor, VEGF-E (NZ-7 VEGF), preferentially utilizes KDR/Flk-1 receptor and carries a potent mitotic activity without …

S Ogawa, A Oku, A Sawano, S Yamaguchi… - Journal of Biological …, 1998 - ASBMB
Vascular endothelial growth factor (VEGF) mediates endothelial cell proliferation,
angiogenesis, and vascular permeability via the endothelial cell receptors, KDR/Flk-1 and Flt-1. …

Cloning and characterization of a novel human pH‐dependent organic cation transporter, OCTN1

I Tamai, H Yabuuchi, J Nezu, Y Sai, A Oku… - FEBS …, 1997 - Wiley Online Library
cDNA for a novel proton/organic cation transporter, OCTN1, was cloned from human fetal liver
and its transport activity was investigated. OCTN1 encodes a 551‐amino acid protein with …

Novel membrane transporter OCTN1 mediates multispecific, bidirectional, and pH-dependent transport of organic cations

H Yabuuchi, I Tamai, JI Nezu, K Sakamoto, A Oku… - … of Pharmacology and …, 1999 - ASPET
In the present study, functional characteristics of organic cation transporter (OCTN)1, which
was cloned as the pH-dependent tetraethylammonium (TEA) transporter when expressed in …

[HTML][HTML] Molecular and functional characterization of organic cation/carnitine transporter family in mice

…, R Ohashi, J Nezu, Y Sai, D Kobayashi, A Oku… - Journal of Biological …, 2000 - ASBMB
Carnitine is essential for β-oxidation of fatty acids, and a defect of cell membrane transport
of carnitine leads to fatal systemic carnitine deficiency. We have already shown that a defect …

Na+-dependent carnitine transport by organic cation transporter (OCTN2): its pharmacological and toxicological relevance

R Ohashi, I Tamai, H Yabuuchi, JI Nezu, A Oku… - … of Pharmacology and …, 1999 - ASPET
Carnitine deficiency, either primary or drug-induced, causes critical symptoms and is thought
to involve alteration of active transport of carnitine across the plasma membrane of tissues …

[PDF][PDF] Loss of LKB1 kinase activity in Peutz-Jeghers syndrome, and evidence for allelic and locus heterogeneity

H Mehenni, C Gehrig, J Nezu, A Oku… - The American Journal of …, 1998 - cell.com
Peutz-Jeghers syndrome (PJS) is an autosomal dominant disease characterized by
mucocutaneous pigmentation and hamartomatous polyps. There is an increased risk of benign and …

Identification of two novel human putative serine/threonine kinases, VRK1 and VRK2, with structural similarity to vaccinia virus B1R kinase

J Nezu, A Oku, MH Jones, M Shimane - Genomics, 1997 - Elsevier
A cDNA library enriched for human fetal-specific liver genes was constructed by suppressive
subtractive hybridization. EST fls223 generated from this library was found to represent a …