Centro de Estudios en Alimentos Procesados (CEAP), ANID-Regional, Gore Maule R0912001, Talca 3480094, Chile.
Departamento de Bioquímica and Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo 11800, Uruguay.
Int J Mol Sci. 2024 Sep 17;25(18):10000. doi: 10.3390/ijms251810000.
Platelets are small cell fragments that play a crucial role in hemostasis, requiring fast response times and fine signaling pathway regulation. For this regulation, platelets require a balance between two pathway types: the activatory and negative signaling pathways. Activatory signaling mediators are positive responses that enhance stimuli initiated by a receptor in the platelet membrane. Negative signaling regulates and controls the responses downstream of the same receptors to roll back or even avoid spontaneous thrombotic events. Several blood-related pathologies can be observed when these processes are unregulated, such as massive bleeding in activatory signaling inhibition or thrombotic events for negative signaling inhibition. The study of each protein and metabolite in isolation does not help to understand the role of the protein or how it can be contrasted; however, understanding the balance between active and negative signaling could help develop effective therapies to prevent thrombotic events and bleeding disorders.
血小板是在止血中发挥关键作用的小细胞碎片,需要快速的反应时间和精细的信号通路调节。对于这种调节,血小板需要在两种途径类型之间保持平衡:激活和负信号通路。激活信号介质是增强血小板膜受体启动的刺激的正响应。负信号调节并控制相同受体下游的反应,以回滚甚至避免自发性血栓事件。当这些过程不受调节时,可以观察到几种与血液相关的病理,例如激活信号抑制中的大量出血或负信号抑制中的血栓事件。单独研究每种蛋白质和代谢物并不能帮助理解蛋白质的作用或如何对比;然而,了解激活和负信号之间的平衡可能有助于开发有效的治疗方法来预防血栓事件和出血性疾病。