凝血网:使用物理信息的神经网络增强血液凝血的数学建模
Ying Qian1, Ge Zhu2, Zhen Zhang3
1School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, USA.
概括
Coagulo-Net是一种新的深度学习方法,通过精确估计来自有限或杂数据的参数来增强血液凝结模型. 这种计算工具有望推动对凝血障碍的研究和治疗开发.
科学领域:
- 生物化学 生物化学
- 计算生物学 计算生物学
- 医学物理 医学物理
背景情况:
- 血液凝固对于血液静止至关重要,但异常会导致诸如血栓和出血等严重疾病.
- 数学模型有助于理解和治疗凝血障碍,但参数估计仍然是一个重大挑战.
- 对于凝血模型的现有参数估计方法有显著的局限性.
研究的目的:
- 引入Coagulo-Net,一种结合深度神经网络和机械学理解的新方法,以改善血液凝结模型.
- 评估Coagulo-Net在复杂凝血模型的参数推断和动态预测方面的表现.
- 为了证明Coagulo-Net在使用各种数据类型来改进现有模型的能力.
主要方法:
- 开发了Coagulo-Net,将深度神经网络与血液凝固的机械原理集成在一起.
- 将凝血网应用于凝血级联的两个不同的数学模型.
- 使用稀疏,杂和混合合成/实验数据评估性能.
主要成果:
- 凝结网有效地从稀疏和杂的数据中推断出未知的模型参数和物种动态.
- 该方法成功处理混合数据类型,完善现有凝固模型的预测.
- 证明了Coagulo-Net在不同的模型复杂度中的稳定性和准确性.
结论:
- 凝血网显著增强了血液凝固的数学建模.
- 这种方法有望促进凝血的生理学和病理学研究.
- 凝血网可以改善新型治疗凝血障碍的开发.
相关概念视频
Extrinsic and Intrinsic Pathways of Hemostasis
6.4K
Blood clotting or coagulation involves extrinsic and intrinsic pathways, which ultimately merge into the common pathway, forming a fibrin clot.
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which...
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which...
6.4K
Coagulation
5.5K
The coagulation phase is a critical part of the body's process to prevent blood loss following injury to blood vessels. It involves chemical reactions that form a clot to seal the injured area. The clotting process begins shortly after injury, within 15-20 seconds for severe damage and 1-2 minutes for minor injuries.
During the coagulation phase, clotting factors, or procoagulants, play a vital role in initiating and progressing the coagulation cascade. This cascade is a series of reactions...
During the coagulation phase, clotting factors, or procoagulants, play a vital role in initiating and progressing the coagulation cascade. This cascade is a series of reactions...
5.5K
Introduction to Hemostasis
6.5K
Hemostasis is a complex physiological process that prevents excessive bleeding when a blood vessel is injured. It's crucial for maintaining the integrity of the circulatory system, as it ensures that our blood remains fluid while still within the vascular network and yet clots to prevent blood loss upon vessel injury.
The three phases of hemostasis involve many clotting factors present in plasma and several substances released by platelets and injured tissue cells. It is a fast, localized,...
The three phases of hemostasis involve many clotting factors present in plasma and several substances released by platelets and injured tissue cells. It is a fast, localized,...
6.5K


