| 摘要 |
<p>A screening tool and a screening method of a substance which is useful as an agent for improving the memory, an agent for improving learning ability, and/or an antidementia agent; a polypeptide, a polynucleotide, a vector, and a cell which may be used in the above screening; and a novel agent for improving the memory, a novel agent for improving learning ability, and/or a novel antidementia agent are disclosed. The above screening tool is composed of a calcium-permeable nonselective cation channel or a cell expressing the channel.</p> |
