自身免疫性风湿性疾病中的脂质代谢:对现代和常规疗法的影响

2023-04-24 August MedSci原创 发表于上海

抑制炎症一直是自身免疫性风湿性疾病(AIRDs)治疗的主要重点,包括类风湿性关节炎和系统性红斑狼疮。然而,具有低靶点特异性的常规疗法可能对细胞代谢产生难以预测的影响。

与自身免疫性风湿性疾病(AIRDs)相关的炎症,包括类风湿性关节炎(RA)和系统性红斑狼疮(SLE),依赖于疾病特异性环境中的多个免疫细胞亚群,每个亚群具有不同的代谢需求。例如,效应T细胞的生长和效应功能依赖于糖酵解代谢,而调节性T细胞通过线粒体β氧化利用脂质,并通过氧化磷酸化(OXPHOS)产生ATP。幼稚B细胞维持在降低的代谢状态,而它们的激活依赖于对OXPHOS的代谢编程。同样,在炎症期间,炎性M1巨噬细胞使用糖酵解,而更抗炎的M2巨噬细胞通常使用β氧化。AIRD中的自身炎症反应具有高能量需求,涉及脂肪生成,葡萄糖和谷氨酰胺代谢升高,以及从OXPHOS转向细胞糖酵解以进行能量代谢。例如,RA滑膜中的缺氧诱导与葡萄糖代谢和ATP合成增加相关的慢性T细胞线粒体超极化,并且在SLE患者和狼疮易感小鼠中,慢性活化的T细胞具有增加的线粒体葡萄糖氧化和超极化。目前许多针对AIRD的疗法会影响脂质代谢途径以发挥其治疗益处;此外,脂质代谢可能在AIRDs和相关合并症的发病机制中起作用。

对炎症重要的脂质代谢途径:

一个关键的例子是脂质代谢;目前的疗法可以改善或加剧血脂异常。许多常规药物还需要体内代谢才能转化为治疗有益的产品;然而,药物代谢通常涉及有毒副产物的额外形成,并且患者之间的药物代谢速率可能是异质的。新的治疗技术和研究强调了替代代谢途径,这些途径可以更具体地针对减少炎症,还可以防止常规抗炎疗法的不良脱靶代谢后果。

该综述讨论了炎症中的脂质代谢和AIRD疗法的作用机制,讨论了这些疗法诱导的靶上和脱靶代谢效应,并强调了靶向脂质代谢的联合疗法可能使患者受益的机会,重点是心血管疾病(CVD)风险,这是AIRD患者的重要合并症

目前用于AIRD的疗法的作用机制:

用于AIRD的生物疗法的作用机制:

总之,了解脂质代谢如何影响免疫反应以及常规和新疗法对脂质代谢的影响是一项持续的挑战,但可以确定靶向AIRD的新方法。如炎症性肠病,使用免疫抑制治疗的最佳组合更好地控制炎症,可以改善AIRD的代谢/脂质谱。使用颗粒脂蛋白分类方法改进对促炎/抗炎脂蛋白组分的监测,并改进CVD风险分层生物标志物,而不是总HDL / LDL水平,可以改善靶向患者管理。他汀类药物不能使促炎HDL组分完全正常化。这种改进的监测可以实现新的联合干预,例如具有特定降脂和靶向抗炎治疗的非特异性饮食干预。最后,需要在长期研究中探索AIRD中代谢/脂质生物标志物的临床相关性,以获得联合疗法的长期毒性及其对心血管事件的影响。

 

参考文献:Robinson G, Pineda-Torra I, Ciurtin C, Jury EC. Lipid metabolism in autoimmune rheumatic disease: implications for modern and conventional therapies. J Clin Invest. 2022;132(2):e148552. doi:10.1172/JCI148552

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  1. [GetPortalCommentsPageByObjectIdResponse(id=2128175, encodeId=233621281e580, content=学习学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=940a5479132, createdName=ms2000000702445417, createdTime=Tue Apr 25 07:09:50 CST 2023, time=2023-04-25, status=1, ipAttribution=湖南省), GetPortalCommentsPageByObjectIdResponse(id=2128148, encodeId=18f421281482a, content=学习了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7c592194322, createdName=1209e435m98(暂无昵称), createdTime=Mon Apr 24 23:11:59 CST 2023, time=2023-04-24, status=1, ipAttribution=浙江省), GetPortalCommentsPageByObjectIdResponse(id=2128142, encodeId=c2752128142c3, content=谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=2d114843943, createdName=1013100771, createdTime=Mon Apr 24 22:58:34 CST 2023, time=2023-04-24, status=1, ipAttribution=山东省), GetPortalCommentsPageByObjectIdResponse(id=2128116, encodeId=a4a12128116f4, content=不错,学习了。, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210606/e8b96fdba070433da10cd357c0646807/28bf16f46e314caaad8396c0c7df7a04.jpg, createdBy=adb15496357, createdName=仁术2021, createdTime=Mon Apr 24 20:36:58 CST 2023, time=2023-04-24, status=1, ipAttribution=吉林省)]
    2023-04-25 ms2000000702445417 来自湖南省

    学习学习

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=2128175, encodeId=233621281e580, content=学习学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=940a5479132, createdName=ms2000000702445417, createdTime=Tue Apr 25 07:09:50 CST 2023, time=2023-04-25, status=1, ipAttribution=湖南省), GetPortalCommentsPageByObjectIdResponse(id=2128148, encodeId=18f421281482a, content=学习了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7c592194322, createdName=1209e435m98(暂无昵称), createdTime=Mon Apr 24 23:11:59 CST 2023, time=2023-04-24, status=1, ipAttribution=浙江省), GetPortalCommentsPageByObjectIdResponse(id=2128142, encodeId=c2752128142c3, content=谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=2d114843943, createdName=1013100771, createdTime=Mon Apr 24 22:58:34 CST 2023, time=2023-04-24, status=1, ipAttribution=山东省), GetPortalCommentsPageByObjectIdResponse(id=2128116, encodeId=a4a12128116f4, content=不错,学习了。, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210606/e8b96fdba070433da10cd357c0646807/28bf16f46e314caaad8396c0c7df7a04.jpg, createdBy=adb15496357, createdName=仁术2021, createdTime=Mon Apr 24 20:36:58 CST 2023, time=2023-04-24, status=1, ipAttribution=吉林省)]
    2023-04-24 1209e435m98(暂无昵称) 来自浙江省

    学习了,谢谢分享

    0

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    2023-04-24 1013100771 来自山东省

    谢谢分享

    0

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    2023-04-24 仁术2021 来自吉林省

    不错,学习了。

    0