2 条结果 关键词:维生素C ×

Vitamin C Modulates the PI3K/AKT Pathway via Glutamate and Nitric Oxide in Developing Avian Retina Cells in Culture.

Brain sciences 2025 Duarte-Silva AT, Domith I, Gonçalves-da-Silva I, Paes-de-Carvalho R

背景:维生素C的还原形式抗坏血酸(ascorbate, AA)除抗氧化外,还作为神经调节因子作用于神经系统。既往研究显示,AA与鸡胚视网膜培养中的谷氨酸存在相互作用:AA通过抑制兴奋性氨基酸转运体3(EAAT3)降低谷氨酸再摄取,使胞外谷氨酸积累,进而激活NMDA受体及与转录和存活相关的胞内信号通路。目的:本研究考察AA对鸡胚视网膜...

Safeguarding the catalytic activity and stability of polyaniline chitosan silver nanocomposite bound beta-galactosidase against product inhibitors and structurally related compound.

Artificial cells, nanomedicine, and biotechnology 2019 Khan M, Husain Q

本研究评估β-半乳糖苷酶(β-galactosidase, bGS)催化反应产物葡萄糖和半乳糖及其结构相关化合物维生素C(VC)对游离酶以及吸附于聚苯胺-壳聚糖纳米复合(PANI-CS-NC)和聚苯胺-壳聚糖-银纳米复合(PANI-CS-Ag-NC)上的固定化bGS催化活性的影响。结果表明,上述化合物均使可溶性酶活性下降,抑制顺序为...