复发缓解型多发性硬化症的反应扩散模型及治疗项
A reaction-diffusion model for relapsing-remitting multiple sclerosis with a treatment term
AI总结:
本文提出了一种用于复发缓解型多发性硬化症的反应扩散模型,引入治疗项并利用廷丁安不稳定性分析研究空间模式的形成。
摘要:
我们基于反应扩散系统对多发性硬化症的发展进行了数学研究。该模型描述了不同人细胞群体之间的相互作用,免疫细胞受细胞因子刺激后的运动,由于异常激活的淋巴细胞消耗髓鞘,以及由少突胶质细胞修复髓鞘的过程。随后,我们引入了一个代表低剂量IL-2细胞因子注射的治疗项。自然的下一步是研究该系统,通过问题的廷丁安不稳定性分析来研究空间模式的形成。特别是,我们得到了随时间振荡的空间模式,这些模式可能在非治疗和治疗场景下重现病理早期阶段的脑病变特征。
英文摘要:
We present a mathematical study for the development of multiple sclerosis based on a reaction-diffusion system. The model describes interactions among different populations of human cells, motion of immune cells stimulated by cytokines, consumption of myelin sheath due to anomalously activated lymphocytes and its restoration by oligodendrocytes. Successively, we introduce a therapy term representing injection of low-dose IL-2 interleukine. A natural step is then to study the system, investigating the formation of spatial patterns by means of a Turing instability analysis of the problem. In particular, we get spatial patterns oscillating in time that may reproduce brain lesions characteristic of the early stage of the pathology, in both non-treatment and treatment scenarios.
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