Abstract: An object of the present invention is to provide a therapeutic agent for hereditary spastic paraplegia (HSP) SPG4. Specifically, the present invention relates to a composition for preventing or treating a neurodegenerative disease such as hereditary spastic paraplegia SPG4, the composition comprising, as an active ingredient, a substance that inhibits a function of miR-33a.

Abstract: A prophylactic or therapeutic agent for an aneurysm comprising a miR-33b inhibiting substance, preferably an antisense oligonucleotide against miR-33b, as an active ingredient.

Abstract: An object of the present invention is to provide a therapeutic agent for hereditary spastic paraplegia (HSP) SPG4. Specifically, the present invention relates to a composition for preventing or treating a neurodegenerative disease such as hereditary spastic paraplegia SPG4, the composition comprising, as an active ingredient, a substance that inhibits a function of miR-33a.

Abstract: The inventors have found that the compounds of formula (I) protect cardiomyocytes. Accordingly, the disclosure provides a pharmaceutical composition for protecting a cardiomyocyte comprising a compound of formula (I) or an ester, oxide, pharmaceutically acceptable salt or solvate thereof. The pharmaceutical composition may be used for treating or preventing a disease associated with cardiomyocyte death, such as myocardial infarction, chronic heart failure, hypertensive heart failure, or dilated cardiomyopathy, especially for treating myocardial infarction.

Abstract: The present invention aims to provide a composition for the prevention or treatment of TDP-43 proteinopathy using a microRNA targeting the TDP-43 gene. A prophylactic or therapeutic composition for TDP-43 proteinopathy, comprising: one or more nucleic adds selected from the group consisting of isolated RNAs and isolated nucleic acids encoding the RNAs, wherein the RNAs consist of human miR-33 represented by SEQ ID NO: 1, variants of the human miR-33 having one or more mutations, and precursors of the human miR-33 and the variants.

Abstract: The present invention aims to provide a composition for the prevention or treatment of TDP-43 proteinopathy using a microRNA targeting the TDP-43 gene. A prophylactic or therapeutic composition for TDP-43 proteinopathy, comprising: one or more nucleic adds selected from the group consisting of isolated RNAs and isolated nucleic acids encoding the RNAs, wherein the RNAs consist of human miR-33 represented by SEQ ID NO: 1, variants of the human miR-33 having one or more mutations, and precursors of the human miR-33 and the variants.