从猪移植到人类脏异种移植后的生理稳定
Eric Judd1, Vineeta Kumar1, Paige M Porrett2
1Department of Medicine, Division of Nephrology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA.
Kidney international
|January 30, 2024
概括
在一个人类死者模型中,基因编辑的猪维持了7天的生理平衡. 这项异种移植研究支持未来对功能衰竭患者的临床试验.
科学领域:
- 移植免疫学 移植免疫学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 遗传学 遗传学 是一个
背景情况:
- 移植的需求超过了供应,限制了对衰竭的移植.
- 异种移植提供了一个潜在的解决方案,但需要证明生理支持.
- 基因编辑猪正在探索解决器官短缺的问题.
研究的目的:
- 评估基因编辑猪的支持人类生理恒温的能力.
- 在异种移植模型中评估功能和液体/电解质平衡的关键标志物.
- 在人类模型中确定猪对人类脏异种移植的可行性.
主要方法:
- 十个经过基因编辑的猪 (4个基因淘汰,6个人类转基因) 被移植到一个脑死亡的成年人类遗体中.
- 包括血压在内的生理参数和实验室值被监测了七天.
- 评估包括氨酸- ангиотензин- алдостерон系统组件,副甲状腺激素,淋巴膜过率和液体平衡.
主要成果:
- 平均动脉血压保持在60mmHg以上.
- 猪脏分泌氨酸,阿尔多素和血管新生素II,这表明它们具有荷尔蒙活性.
- 淋巴膜过率在90-240毫升/分钟之间,血清肌素在第七天正常化至0.9毫克/分升.
- 观察到猪对人类血管压素的反应证据,检测到Aquaporin 2通道.
结论:
- 基因编辑的猪在人类死者模型中维持了7天的生理平衡.
- 这项研究表明,异种移植有可能提供一个可行的治疗选择.
- 这些发现为未来对活体猪人异种移植的临床研究铺平了道路.
相关概念视频
01:26Kidney Transplant II: Surgical Procedure
78
Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living...
78
01:16Kidney Transplant III: Nursing Management
88
Postoperative Nursing Management for Kidney Transplant PatientsPostoperative nursing management care includes monitoring the surgical site, encouraging early movement, and promoting lung health through breathing exercises. Nurses also administer prescribed medications like H2-blockers, such as famotidine, or proton pump inhibitors, like omeprazole, to help prevent gastrointestinal ulcers and bleeding. Fungal infections in the mouth and bladder can result from immunosuppressive and antibiotic...
88
01:28Kidney Transplant I: Introduction
65
A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...
65