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細(xì)胞內(nèi)銅的四大分布途徑與關(guān)鍵調(diào)控機(jī)制(天門冬氨酸銅Copper Aspartate、抗壞血酸銅Copper Ascorbate)。

發(fā)表時(shí)間:2024-10-26 19:11

在細(xì)胞中,銅有4 種分布途徑:(1)自由基清除途徑:Cu/Zn-超氧化物歧化酶將銅送至超氧化物歧化酶 SOD1上。(2)線粒體途徑:細(xì)胞色素 C氧化酶17 將銅轉(zhuǎn)移到細(xì)胞色素 C 氧化酶(cytochrome Coxidase,COX)上以產(chǎn)生 ATP。(3)分泌途徑:銅通過抗氧化蛋白 1Antioxidant 1,Atox1)傳送至反式高爾基體網(wǎng)絡(luò)中的銅轉(zhuǎn)運(yùn)蛋白質(zhì)α鏈(ATPdependentcopper transporter 7A,ATP7A)和銅轉(zhuǎn)運(yùn)蛋白質(zhì)β鏈(ATPdependent copper transporter 7B,ATP7B)。(4)細(xì)胞核途徑:細(xì)胞核通過銅傳感器,調(diào)節(jié) CTR1 表達(dá)以適應(yīng)銅濃度的變化。

細(xì)胞內(nèi)銅的四大分布途徑與關(guān)鍵調(diào)控機(jī)制(天門冬氨酸銅Copper Aspartate、抗壞血酸銅Copper Ascorbate)。

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抗壞血酸鎂Magnesium Ascorbate 、抗壞血酸鋅Magnesium Ascorbate、牛磺酸鎂Magnesium Taurate、氨基酸螯合鋅Zinc Amino Acids Chelate 、氨基酸螯合鎂Magnesium Amino Acids Chelate、乳清酸鎂Magnesium Orotate、乳清酸鈣Calcium Orotate、琥珀酸鈣Calcium Succinate、琥珀酸鎂 Magnesium Succinate 、抗壞血酸鋰 Lithium Ascorbate.

Four major distribution pathways of copper in cells and key regulatory mechanisms (copper aspartate, copper ascorbate).

In cells, copper has four distribution pathways: (1) Free radical scavenging pathway: Cu/Zn-superoxide dismutase transfers copper to superoxide dismutase SOD1. (2) Mitochondrial pathway: Cytochrome C oxidase 17 transfers copper to cytochrome C oxidase (COX) to produce ATP. (3) Secretory pathway: Copper is transferred to the copper transport protein α chain (ATP-dependent copper transporter 7A, ATP7A) and copper transport protein β chain (ATP-dependent copper transporter 7B, ATP7B) in the trans-Golgi network through antioxidant protein 1 (Atox1). (4) Nuclear pathway: The nucleus regulates CTR1 expression through copper sensors to adapt to changes in copper concentration.

Four major distribution pathways and key regulatory mechanisms of intracellular copper (Copper Aspartate, Copper Ascorbate).

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