Abstract: The present invention relates to a novel preventive and/or therapeutic drug for myocardial infarction. The present invention provides a preventive and/or therapeutic drug for myocardial infarction or myocardial ischemia-reperfusion injury, the drug containing a lipid membrane structure retaining adenosine.

Abstract: The invention provides a nucleic-acid-transfecting composition which exhibits low cytotoxicity, which facilitates an effective nucleic acid transfection into a cell, and which improves expression of the nucleic acid in the cell. The composition for transfecting a nucleic acid into a cell, contains a di(C12-16 alkyl)dimethylammonium halide and a phospholipid.

Abstract: The invention provides a nucleic-acid-transfecting composition which exhibits low cytotoxicity, which facilitates an effective nucleic acid transfection into a cell, and which improves expression of the nucleic acid in the cell. The composition for transfecting a nucleic acid into a cell, contains a di(C12-16 alkyl)dimethylammonium halide and a phospholipid.

Abstract: To provide a nucleic-acid-transfecting composition which exhibits low cytotoxicity, which facilitates a nucleic acid transfection into cells, and which improves expression of the nucleic acid in the cells. The invention provides a composition for transfecting a nucleic acid into a cell, including a compound represented by the following formula (I) (wherein each of R1 and R2, which are identical to or different from each other, represents a saturated or unsaturated hydrocarbon group; R3 represents a C1-6 alkyl group or a C1-6 hydroxyalkyl group; m is an integer from 1 to 10; and X represents a halogen atom), and a phospholipid.

Abstract: The present invention relates to a novel preventive and/or therapeutic drug for myocardial infarction. The present invention provides a preventive and/or therapeutic drug for myocardial infarction or myocardial ischemia-reperfusion injury, the drug containing a lipid membrane structure retaining adenosine.

Abstract: The invention provides a nucleic-acid-transfecting composition which exhibits low cytotoxicity, which facilitates an effective nucleic acid transfection into a cell, and which improves expression of the nucleic acid in the cell. The composition for transfecting a nucleic acid into a cell, contains a di(C12-16 alkyl)dimethylammonium halide and a phospholipid.

Abstract: To provide a nucleic-acid-transfecting composition which exhibits low cytotoxicity, which facilitates a nucleic acid transfection into cells, and which improves expression of the nucleic acid in the cells. The invention provides a composition for transfecting a nucleic acid into a cell, including a compound represented by the following formula (I) (wherein each of R1 and R2, which are identical to or different from each other, represents a saturated or unsaturated hydrocarbon group; R3 represents a C1-6 alkyl group or a C1-6 hydroxyalkyl group; m is an integer from 1 to 10; and X represents a halogen atom), and a phospholipid.

Abstract: Composition with weak cytotoxicity for introducing a nucleic acid, such as a short oligonucleotide or a gene, into a cell for expression of the gene in the cell. The composition includes a lipid and a compound represented by a formula (I): (R1)n-R2-R3??(I) wherein (R1)n represents a polyamino acid residue consisting of a total of n amino acid residues, which are identical to or different from one another, the n residues being selected from an arginine residue, a lysine residue, and a histidine residue, and n being an integer of from 4 to 16; R2 represents a single bond or an amino acid residue; and R3 represents a phospholipid residue with 1 or 2 identical or different unsaturated fatty acid residues having from 12 to 20 carbon atoms. The composition is administered or supplied to a cell together with a nucleic acid.

Abstract: A deformable mirror, in which the distance between an electrode substrate and a membrane can be accurately maintained and which can be produced at a low material cost, is provided. The deformable mirror comprises: an electrode substrate 11 having a plurality of electrodes (16a, 16b, 16c, 16d and 16e) formed on a surface of the electrode substrate; a silicon membrane 13 having a counter electrode opposed to the plurality of electrodes formed on the electrode substrate 11; a reflection section 15 provided on the side of the silicon membrane 13 opposite the counter electrode; and a support plate 19 integrally bonded to the electrode substrate 11 for restraining the displacements of the plurality of electrodes which adversely affect the deformation of the silicon membrane 13, in which a plurality of layers of wiring patterns (11a, 11b, 11c, 11d and 11e) for supplying drive voltages to the plurality of electrodes are formed in the electrode substrate 11.

Abstract: A deformable mirror, in which the distance between an electrode substrate and a membrane can be accurately maintained and which can be produced at a low material cost, is provided. The deformable mirror comprises: an electrode substrate 11 having a plurality of electrodes (16a, 16b, 16c, 16d and 16e) formed on a surface of the electrode substrate; a silicon membrane 13 having a counter electrode opposed to the plurality of electrodes formed on the electrode substrate 11; a reflection section 15 provided on the side of the silicon membrane 13 opposite the counter electrode; and a support plate 19 integrally bonded to the electrode substrate 11 for restraining the displacements of the plurality of electrodes which adversely affect the deformation of the silicon membrane 13, in which a plurality of layers of wiring patterns (11a, 11b, 11c, 11d and 11e) for supplying drive voltages to the plurality of electrodes are formed in the electrode substrate 11.