相关实验视频
Updated: Jun 25, 2025

08:53
Competitive Transplants to Evaluate Hematopoietic Stem Cell Fitness
Published on: August 31, 2016
15.2K
在接受自身造血干细胞移植的患者中,认知表现和死亡率
Ellen Johnson1, Sung Won Choi2, John Stratton3
1Department of Psychiatry, Michigan Medicine, Ann Arbor, Michigan, USA.
Journal of psychosocial oncology
|May 23, 2024
概括
自主造血干细胞移植 (HCT) 之前的认知功能可以预测死亡风险. 处理速度较慢和执行介导的学习缺陷表明HCT后死亡风险较高.
科学领域:
- 神经科学是一个神经科学.
- 在瘤学瘤学.
- 血液学 血液学 血液学
背景情况:
- 自主造血干细胞移植 (HCT) 患者面临显著的死亡风险.
- 认知功能是自主HCT结果中研究不足的领域.
- 认知可以作为这一群体死亡率的预测生物标志物.
研究的目的:
- 为了研究在接受自主性HCT的患者的认知功能.
- 确定移植前认知表现与死亡风险之间的关系.
主要方法:
- 评估了一组51名接受自主HCT的患者队列.
- 认知表现使用CogState电池在HCT前,HCT后30天和HCT后100天进行评估.
- 任务包括处理速度,工作记忆,执行介导学习和视觉回忆.
主要成果:
- 较慢的HCT前处理速度 (HR=3.00) 与死亡风险增加有关.
- 在HCT前的高管介导视觉学习中,更多的错误 (HR=2.78) 也预测了更高的死亡风险.
- 虽然受样本大小限制,但初步数据表明已故和活着的患者之间的认知轨迹不同.
结论:
- 移植前的认知评估可以确定在自主HCT后死亡风险较高的患者.
- 需要进行进一步的研究,以探索HCT后发生的认知变化对生存结果的预测价值.
相关概念视频
Bone Marrow Sampling and Transplants
324
Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
324
Regulation of Hematopoietic Stem Cells
3.2K
All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
3.2K
Stem Cell Therapy for Tissue Regeneration
4.0K
Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
4.0K
Multipotency of Hematopoietic Stem Cells
3.1K
The hematopoietic stem cells or HSCs are multipotent, meaning they can differentiate and give rise to all blood and immune cells. HSCs are maintained in the quiescent stage until an external stimulus initiates their differentiation. The multipotent HSCs exist as two heterogeneous populations, long-term repopulating cells (LTRC) and short-term repopulating cells (STRC). The two HSC populations have different surface markers or receptors and are classified based on quiescence and long-term...
3.1K
Tissue Transplantation
358
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.
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
358
Cell-mediated Immune Responses
68.1K
Overview
68.1K

