ゲノタイプWWの無敵のミックスで体コロニー形成

E A MCCULLOCH, L SIMINOVITCH, J E TILL

Science (New York, N.Y.)

|May 15, 1964

まとめ

貧血のWWマウスからの血液形成性幹細胞は,正常なWWマウスと比較して,臓コロニー形成の200倍減少を示しています. この遺伝的欠陥は,コロニーを形成する細胞そのものに宿っている.

科学分野:

血液学ヘマトロジ
遺伝学遺伝学とは
幹細胞生物学幹細胞生物学

背景:

WWマウスの貧血は,血液形成幹細胞の欠陥と関連しています.
臓のコロニー形成は,血液生成幹細胞機能の重要な測定である.

研究の目的:

貧血のWWマウスから採取した血液形成性幹細胞の機能的欠陥を調査する.
コロニーを形成する細胞における観察された欠陥の遺伝的根拠を確認する.

主な方法:

遺伝子的に異なるマウスモデル (WW, ww, WVVWT) を用いた臓コロニーアッセイ.
貧血性WWマウスからの血液細胞のコロニー形成能力の比較と,正常なWW littermatesとの比較.
WVVWT受容者を利用して,放射線による死亡率のバイアスを軽減する.

主要な成果:

貧血のWWマウスからの血液形成細胞は,正常なWW littermatesの細胞よりも200倍少ない臓コロニーを形成しました.
正常なWWマウス細胞は,放射線を受けていないWWマウスの臓にコロニーを成功裏に形成し,この欠陥がWW細胞に固有であることを示した.
WVVWT受容者を採用することで,-コロニーアッセイの信頼性が向上しました.

結論:

WWマウスの血球形成性幹細胞機能の低下を引き起こす遺伝的欠陥は,コロニーを形成する細胞の中に存在する.
臓コロニーアッセイは,血液生成幹細胞の欠陥を研究するための貴重なツールであり,特に受容者バイアスが制御されている場合.

キーワード:

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