病原性RNF113A変異を有する双子は,丸回帰症候群を呈している
Ortal Resnick1, Giovanna Beauchamp1
1Division of Pediatric Endocrinology and Diabetes, University of Alabama at Birmingham, Birmingham, AL 35233, USA.
JCEM case reports
|February 13, 2026
まとめ
希少なX関連RNF113A疾患は,神経発達および内分泌の問題を引き起こします. この研究は,特定のRNF113A変異を46,XY双子の一貫した症状に結びつけ,それは回帰症候群を含む.
科学分野:
- 遺伝学 遺伝学とは
- エンドクリノロジー エンドクリノロジー
- 神経発達障害 神経発達障害とは
背景:
- RNF113Aに関連する疾患は,X関連疾患が稀である.
- 神経発達障害,内分泌の異常,性腺変異によって特徴付けられる.
- 以前はごく少数の個体で記録されていた.
研究 の 目的:
- 病原性RNF113A変異を持つ46人のXY双子の兄弟について報告する.
- RNF113A関連疾患のフェノタイプスペクトルを拡大する.
- RNF113Aと回帰症候群 (TRS) の関連性を調査する.
主な方法:
- 遺伝子変異を特定するための全エクソームシーケンシング.
- 罹患した46,XY双子の兄弟姉妹の臨床フェノタイプ化.
- 遺伝パターンの分析.
主要な成果:
- 母性継承性半身病原性RNF113A変種 (c.901C > T, p.(Gln301*)) が確認されました.
- フェノタイプには,小頭症,コルパス・カロサム・ディスジェネシス,治療不可能な,サブクリニック性甲状腺機能低下症,マイクロファルス,双方の丸回帰症候群 (TRS) が含まれていた.
- 精巣組織がないにもかかわらず,胎前アンドロゲン被曝の証拠; 乳幼児期に発達した甲状腺機能障害.
結論:
- RNF113Aの変種は,既知の現象スペクトルを拡大する.
- RNF113Aと丸回帰症候群 (TRS) を関連付ける証拠を提供する.
- 複合的な46,XY性発達障害の複合的な46,XY性発達障害の複合的な多システム関与の全エクソーム配列化の重要性を強調します.
キーワード:
性発達障害 性的発達障害甲状腺機能低下症 甲状腺機能低下症回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicular regression syndrome) とは,回帰症候群 (testicularトリコチオジストロフィー (trichothiodystrophy) とは,トリコチオジストロフィー (trichothiodystrophy) とは,トリコチオジストロフィー (trichothiodystrophy) とは,トリコチオジストロフィー (trichothiodystrophy) とは,トリコチオジストロフィー (trichothiodystrophy) とは,トリコチオジストロフィー (trichothiodystrophy) とは,トリコチオジストロフィー (trichothiodystrophy) とは,トリコチオジストロフィー (trichothiodystrophy) とは,トリコチオジストロフィー (trichothiodystrophy) とは,失踪する丸全エクソームシーケンシング関連する概念動画
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