Development of triple-transgenic cells in hosts lacking MHC class I and II yields TCR<sup>int</sup>, single α-chain thymocytes.

Abstract

<p>(A) Bone marrow from B6 mice was used to reconstitute irradiated CD45.1 (top) or MHC<sup>o/o</sup> (bottom) hosts. After eight weeks, thymocytes were harvested and analyzed for expression of either α-chain in TCR<sup>lo</sup>, TCR<sup>int</sup>, and TCR<sup>hi</sup>, Vβ5-positive gates. (B) Bone marrow from triple-transgenic mice was used to reconstitute irradiated CD45.1 (top) or MHC<sup>o/o</sup> (bottom) hosts. After eight weeks, thymocytes were harvested and analyzed for expression of either α-chain in TCR<sup>lo</sup>, TCR<sup>int</sup>, and TCR<sup>hi</sup>, Vβ5-positive gates. FACS plots representative of 7-9 mice per group in three independent experiments.</p

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