This study demonstrates that the decreased expression of VDR in AA and AU lesions is related to decreased expression of Wnt/β-catenin signals, which inhibits proliferation and differentiation of hair follicles and epidermal cells.

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The purpose of this study is to analyze the language and etiquette of the royal family shown in <Gungjung Yebeob Pungsoggwa Jeonhaneun Malsam> by Sahudang Yoon Baek-yeong (尹伯 榮, 1888~1986). Through the transcription of this book, it can be seen that the time of writing was 1967 and that Yoon Baek-young copied it at the age of 80. This book consists of a total of 76 pages, excluding the cover page. This book largely explains the language etiquette of the royal family and courtiers. In the royal etiquette and speech, it mainly explains the titles of the royal family, the vocabulary related to the king, and the words expressing the king's actions. Court ladies' manners and speeches explain the differences in the duties of court ladies and their corresponding attire. Other scribes express 'Aji' as 'Aje', 'Mituri' as 'Meturi', 'Jejo Court Lady' as 'Jeju Court Lady', and 'frog' as 'gaegori'. This can be inferred from the notation influenced by the dialect of the scribe.