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Laboratory of Biopharmaceutics

Strategies for Therapy of Retinal Diseases using Systemic Drug Delivery: Elucidating Blood-Retinal Transport Mechanism

The blood-tissue barriers including blood-retinal barrier form complex tight junctions of capillary endothelial cells and/or epithelial cells. Although these tight barriers prevent the free diffusion of substances between the circulating blood and the neural tissues, blood-tissue barrier efficiently supplies nutrients to the retina and brain and removes endobiotics and xenobiotics from the neural tissues to maintain a constant milieu. We investigate transport mechanism at the blood-tissue barrier, especially blood-retinal barrier to develop strategies aimed at drug deliver to the retina.

Research Topics

  1. Transport mechanisms for essential nutrients across the blood-retinal barrier

  2. Regulation mechanisms for transport system at the blood-retinal barrier

  3. Transport mechanisms for anionic compounds at the blood-retinal barrier

  4. Transport mechanisms for cationic drugs at the blood-retinal barrier

  5. Influx transport mechanism for nicotine at the blood-brain barrier

  6. Physiological role of the blood-brain barrier in regulating bioactive substances in brain

Lab Members

Ken-ichi Hosoya

Professor

Degree
Ph.D.
Research Areas
Blood-Retinal Barrier Transport, Molecular Pharmaceutics

Shin-ichi Akanuma

Associate Professor

Degree
Ph.D.
Research Areas
Blood-Brain Barrier, Transporter, Blood-retinal barrier

Yuma Tega

Assistant Professor

Degree
Ph.D.
Research Areas
Blood-Brain Barrier, Organic cation transport, Transporter