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Cyclo(his-pro)

CAS No. : 53109-32-3

MCE 国际站：Cyclo(his-pro)

产品活性：Cyclo(his-pro) (Cyclo(histidyl-proline)) 是一种具有口服活性的，结构上与促甲状腺激素释放激素相关的环状二肽。Cyclo(his-pro) 可以抑制 NF-κB 核积累。Cyclo(his-pro) 可以穿越脑血屏障并影响多种炎症和应激反应。

研究领域：NF-κB  |  Metabolic Enzyme/Protease

作用靶点：NF-κB  |  Endogenous Metabolite

结构分类：其他类

In Vitro: cyclo(his-pro) (Cyclo(histidyl-proline); 50 μM; 1-48 hours) increases the nuclear level of Nrf2 and inhibits NF-κB nuclear translocation. Cyclo(His-Pro) alone has no effect on nuclear translocation of these transcription factors.
cyclo(his-pro) (50 μM; prior to PQ exposure for 48 hours) abolishes protein nitration that followed paraquat (PQ) exposure and lessenes its functional consequences, as shown by decrease in cell apoptosis, detected by caspase 3 activity and by cytochrome c release.
Cyclo(his-pro) inhibits NF-κB nuclear accumulation induced by paraquat in rat pheochromocytoma PC12 cells via the Nrf2/heme oxygenase-1 pathway.

In Vivo: Cyclo(his-pro) (Cyclo(histidyl-proline); 1.8 mg/ear; topical application on the right ear; 30 min prior to TPA) reduces TPA-induced ear oedema confirming that it can exert anti-inflammatory effect.
Cyclo(his-pro) exerts in vivo anti-inflammatory effects in the central nervous system by down-regulating hepatic and cerebral TNFα expression thereby counteracting LPS-induced gliosis. Moreover, by up-regulating Bip, Cyclo(his-pro) increases the ER stress sensitivity andtriggers the unfolded protein response to alleviate the ER stress.

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