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Tissue Transplantation

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Tissue transplantation is a significant medical procedure involving the transfer of cells, tissues, or organs from a donor to a recipient, with the primary aim of restoring lost functions. This procedure is crucial in treating a broad spectrum of diseases, including kidney diseases, liver failure, heart disease, and certain types of cancers.
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The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...

Transduction

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Updated: Jun 18, 2026

Murine Skin Transplantation

Murine Skin Transplantation

Published on: January 16, 2008

移植の耐性における進歩

X Yu¹, P Carpenter, C Anasetti

¹Human Immunogenetics Program, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA.

Lancet (London, England)

|June 27, 2001

まとめ

現在の免疫抑制薬は臓器移植の生存率を向上させるが,耐性を誘発することはない. T細胞死と無活性化を標的とする新しい戦略は,長期の移植耐性を達成するために不可欠です.

科学分野:

免疫学免疫学とは
移植科学移植科学とは

背景:

臓器アロ移植の生存率は,最近の免疫抑制薬によって改善されていますが,それでも終身薬剤は依然として必要です.
移植の拒絶には,T細胞の活性化,抗原の認識,および付属信号伝達が含まれ,T細胞の死は主要な耐性メカニズムである.

研究の目的:

異なる免疫抑制薬がT細胞媒介移植の耐性をどのように影響するか調べる.
T細胞死を防ぐことによって耐性を抑制する薬と,それを促進する薬の区別を図る.

主な方法:

T細胞の活性化,抗原認識,および付属信号伝達経路の分析.
T細胞死 (アポトーシス) とT細胞無反応 (無エネルギー) に対する薬物効果の評価.

主要な成果:

T細胞死を誘発するミコフェノラートモフェチルなどの薬は,耐性を促進する可能性があります.
T細胞の分裂を阻害する (例えばラパミシン) または共刺激 (例えばCD28/CD154を阻害する) は,T細胞の反応不全につながり,耐性を促進する.

結論:

T細胞死および無活性化メカニズムを理解することは,移植耐性を達成するための戦略を開発するために不可欠です.
特定のT細胞経路を標的にすることは,現在の免疫抑制を超えて長期的な移植受容のための有望な道を提供します.

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Murine Full-thickness Skin Transplantation

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Published on: January 2, 2017

In Vitro and In Vivo Assessment of T, B and Myeloid Cells Suppressive Activity and Humoral Responses from Transplant Recipients

In Vitro and In Vivo Assessment of T, B and Myeloid Cells Suppressive Activity and Humoral Responses from Transplant Recipients

Published on: August 12, 2017

関連する実験動画

Last Updated: Jun 18, 2026

Murine Skin Transplantation

Murine Skin Transplantation

Published on: January 16, 2008

Murine Full-thickness Skin Transplantation

Murine Full-thickness Skin Transplantation

Published on: January 2, 2017

In Vitro and In Vivo Assessment of T, B and Myeloid Cells Suppressive Activity and Humoral Responses from Transplant Recipients

In Vitro and In Vivo Assessment of T, B and Myeloid Cells Suppressive Activity and Humoral Responses from Transplant Recipients

Published on: August 12, 2017