Abstract: Provided is a pharmaceutical composition for preventing or treating a muscle wasting-related disease of a subject, the composition including one or more compounds selected from the group consisting of isotretinoin, vismodegib, and lincomycin, pharmaceutically acceptable salts, stereoisomers, derivatives, or solvates thereof, or combinations thereof, and a method of preventing or treating a muscle wasting-related disease using the same.

Abstract: Provided is a pharmaceutical composition for preventing or treating a muscle wasting-related disease of a subject, the composition including one or more compounds selected from the group consisting of isotretinoin, vismodegib, and lincomycin, pharmaceutically acceptable salts, stereoisomers, derivatives, or solvates thereof, or combinations thereof, and a method of preventing or treating a muscle wasting-related disease using the same.

Abstract: A composition for preventing or treating muscular atrophy or promoting muscular regeneration in a subject including a sulfonamide compound, a pharmaceutically acceptable salt, solvate, or polymorph thereof, or a combination of at least two of the foregoing, and a method of preventing or treating muscular atrophy or promoting muscular regeneration by using the composition.

Abstract: A method of screening a material for improving skin functions includes: (a) treating a skin cell with a candidate material; (b) detecting a change in a relative expression level of membrane-associated protein 17 (MAP17) gene; and (c) selecting a candidate material inducing the change in the expression level of the gene as a material for improving skin functions. That is to say, a material for improving skin functions is screened using MAP17 gene as a marker, on the basis of the change in the expression level of the MAP17 gene. A material for improving skin functions, which is useful in improving skin barrier function, promoting skin moisturization, preventing skin aging, or ameliorating skin troubles, may be effectively screened.

Abstract: The present invention relates to the discovery of a novel pathway for the induction of osteoblast cellular differentiation and bone generation. Specifically, the present invention envisions a novel screening tool for the determination of compounds capable of promoting osteoblast cellular differentiation that could be used in the treatment of various bone-loss or bone density decreasing disorders. The method of screening of the present invention enables one to determine whether a compound affects certain pathways that promote via direct induction, or the downregulation of inhibiting activity, the differentiation of progenitor cells into osteoblasts. This promotion of osteoblasts could provide for treatments for bone-loss or bone density disorders. The invention further encompasses methods of increasing bone density using the compounds, the compounds, and pharmaceutical compositions comprising the compounds.