2021, Vol. 56
2. 青海大学三江源生态与高原农牧业国家重点实验室, 青海 西宁 810016
2. State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, China
低氧是指可利用的氧减少或氧分压降至临界值以下的状态, 包括宏观低氧环境和微观低氧环境, 如高原低氧、高空飞行、潜水作业等属于宏观低氧环境, 肿瘤、炎症、休克等疾病状态属于微观低氧环境。低氧条件下机体产生一系列的生理性变化, 部分为病理性变化, 这些变化影响内源性物质如氨基酸、胆红素等和外源性物质如药物、毒素等的代谢[1, 2]。早在20世纪80年代就有研究发现, 低氧条件下茶碱和地尔硫䓬的代谢减慢[3-5], 随后更多研究表明低氧显著影响普萘洛尔[6]、氨茶碱[7]、乙酰唑胺[8]、强的松[9]、呋喃苯胺酸[10]、磺胺甲噁唑[11]的体内代谢, 证实低氧环境中大多数药物的体内代谢减慢。药物代谢酶和转运体是药物在体内进行生物转化的主要因素, 低氧条件下药物代谢酶和转运体发生显著变化[12-14], 其机制与低氧调节炎症因子、缺氧诱导因子(hypoxia inducible factors, HIF)和核受体通路并进一步调控药物代谢酶和转运体的基因表达有关[15, 16]。miRNA是具有调控功能的非编码RNA, 低氧条件下miRNA的表达发生显著变化, 并且miRNA的变化与药物代谢酶和转运体具有一定的相关性[17, 18], 本文从不同角度综述了miRNA在低氧条件下对药物代谢酶和转运体的调控作用。
1 低氧调控miRNA的表达miRNA是一类小分子非编码RNA, 长度约为19~25个核苷酸。miRNA通过与靶基因mRNA 3'端非编码区(3'-untranslated region, 3'-UTR)特定序列的碱基完全或不完全互补配对, 引起mRNA降解或翻译抑制来调控靶基因的表达[19-21]。miRNA在很多生物学过程中具有重要的调节作用, 如参与调节细胞增殖、分化与凋亡、肿瘤发生与发展、脂类代谢、免疫等各种生命活动[22-25]。迄今为止, 人类基因组中已经发现2 500多种成熟miRNA, 而三分之一以上的人类蛋白编码基因都是miRNA的保守靶基因, 表明miRNA在基因调控中发挥重要作用[26]。肠、肝和肾组织是药物吸收、代谢、排泄的重要器官, miRNA、药物代谢酶和转运体广泛分布其中, 低氧条件下这些组织器官中的miRNA表达发生显著变化。
1.1 低氧调控肝组织中miRNA的表达肝脏是药物代谢的重要器官, 存在大量药物代谢酶和转运体。miRNA-122是哺乳动物肝损伤的一种有效生物标志物, 研究发现低氧降低肝脏miRNA-122-5p的表达, 推测低氧条件下药物代谢的变化与miRNA介导的肝脏功能改变有关[27, 28]。Zhu[29]发现低氧训练可显著降低肝脏miRNA-27的表达。低氧微环境中的肿瘤细胞研究表明, 与正常人肝细胞比较, miRNA-375和miRNA-196-5p在肝癌细胞中的表达均显著降低[30, 31]。体内研究发现, 在13.6%O2浓度下, 大鼠肝脏miRNA-92a-2-5p、miRNA-378a-3p和miRNA-1224表达均显著降低[32]。以上研究结果显示低氧对肿瘤细胞和肝组织中的miRNA具有显著调节作用, miRNA-92、miRNA-122、miRNA-196、miRNA-375和miRNA-378的表达均呈下降趋势。
1.2 低氧调控肠组织中miRNA的表达肠道是药物吸收的主要部位, 其分布的药物转运体对药物吸收起着至关重要的作用, 低氧条件下肠组织中的miRNA发生显著变化。Nijhuis等[33]研究了DLD-1、HCT116和HT29等6种肠癌细胞系中miRNA在20.9%、1.0%和0.2%O2浓度中的表达情况, 发现miRNA-210、miRNA-30d、miRNA-320b、miRNA-320c、miRNA-320a、miRNA-21、miRNA-141和miRNA-147的表达显著升高, 其中miRNA-210最为明显。高原低氧环境中miRNA的表达变化研究较少, 研究发现高海拔地区的汉族人和藏族人血浆中miRNA-210-3p浓度显著高于平原地区汉族[34], 与文献[33]研究结果一致, 提示实际低氧环境下, miRNA-210表达显著升高。肿瘤低氧微环境和实际低氧环境存在一定差异, Toshihiro等[35]发现miRNA-320a、miRNA-320b、miRNA-320c、miRNA-320d在结直肠肿瘤低氧微环境中的表达显著降低, 与前述研究结果相反。以上研究结果表明, 低氧条件下肠组织miRNA的变化存在一定争议, 基本变化趋势是肿瘤低氧微环境中表达显著降低, 而在实际低氧环境中表达显著升高。
1.3 低氧调控肾组织中miRNA的表达肾脏是药物排泄的重要器官, 肾脏中的转运体对内源性和外源性物质的分泌和重吸收具有重要作用。Liu等[36]采用低压氧舱模拟7 500 m海拔和9.0%O2高原环境, 测定了大鼠脑、肺、心、肝和肾脏中miRNA-210的表达, 发现不同组织中miRNA-210的表达均显著升高, 其中肾脏中升高近5倍, 研究结果与低氧肠组织中miRNA-210的变化一致。Wu等[37]对小鼠进行24%~7%O2和周期60 s的间歇性缺氧造模, 发现肾脏中miRNA-155的表达显著升高了25%。Xu等[38]发现小鼠肾脏缺血再灌注后引起的缺氧损伤能够明显升高miRNA-21的表达, 另外在1%O2浓度下, 人脐静脉内皮细胞中miRNA-21的表达同样显著升高。
低氧对肝、肠和肾组织中的miRNA均有调控作用, 其中肝脏中miRNA-92a、miRNA-122、miRNA-375、miRNA-378和miRNA-1224表达显著降低, 肠组织中miRNA-21、miRNA-30d、miRNA-141、miRNA-147、miRNA-210和miRNA-320的表达显著升高, 肾组织中miRNA-21、miRNA-155和miRNA-210表达显著升高, 见表 1[28-34, 36, 38]。miRNA-320为特殊miRNA, 其在肿瘤低氧微环境中表达降低, 与实际低氧环境研究结果恰好相反。有关低氧对肠组织和肠肿瘤细胞中miRNA-320的调控研究还有待进一步证实。
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表 1 Changes in the expression of miRNA at hypoxia. ↑: Increase; ↓: Decrease |
药物代谢酶分为两类, Ⅰ相代谢酶主要参与氧化、还原、水解等反应, Ⅱ相代谢酶主要催化葡萄糖醛酸化、硫酸化、乙酰化等反应。细胞色素P450 (cytochrome P450, CYP450)是最主要的I相代谢酶, 目前已确定了人类57个CYP450基因, 根据序列的相似性分为18个家族, 42个亚家族[39]。CYP1A2、CYP2C9、CYP2C19、CYP2D6、CYP2E1和CYP3A4代谢90%以上的药物, 其中CYP3A4是人体中最重要的药物代谢酶, 代谢50%以上的药物[40]。Ⅱ相代谢酶主要有N-乙酰基转移酶(N-acetyltransferase, NATs)、谷胱甘肽巯基转移酶(glutathione S-transferase, GSTs)以及葡萄糖醛酸转移酶(UDP-glucuronyl trans‐ferases, UGTs)等。
研究已证实, 低氧显著改变药物代谢酶CYP450的活性和表达[40]。Kurdi等[41]发现急性缺氧显著下调家兔CYP1A1和CYP1A2的活性和蛋白表达。Fradette等[42]研究证实家兔急性缺氧48 h后, CYP3A6和CYP3A11的表达显著升高, CYP1A1、CYP1A2、CYP2B4、CYP2C5和CYP2C16的表达显著降低。课题组研究发现高原低氧对CYP450也有一定影响, 大鼠急进2 800 m高原地区3天后, CYP1A2的活性、蛋白和mRNA表达分别降低62.3%、60.4%和51.1%, 30天后分别降低60.8%、62.0%和32.9%。大鼠急进4 300 m高原地区3天后, CYP1A2的活性、蛋白和mRNA表达分别降低60.8%、65.8%和37.2%, 30天后分别降低53.8%、64.8%和30.7%[12]。在海拔2 800 m和4 300 m高原地区, 慢性缺氧使CYP2D1的活性和表达显著升高, 而急性缺氧无明显影响[12]。高原急性缺氧对CYP3A1和CYP2E1的活性和表达也无明显影响, 但在高原慢性缺氧条件下CYP3A1和CYP2E1的活性和表达显著降低[13]。高原低氧条件下Ⅱ相药物代谢酶也发生一定变化, 如大鼠N-乙酰基转移酶Ⅱ的活性在4 600 m高原地区显著降低38.7%[40]。
以上研究结果表明, 不同低氧方式对动物体内CYP450酶影响的结果较为一致, 其中CYP1A1、CYP1A2、CYP2E1和CYP3A1的活性和表达降低, CYP3A6和CYP2D1的活性和表达升高, 见表 2[12, 13, 40-42]。与急性缺氧相比, 慢性缺氧对动物体内药物代谢酶的影响较大。
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表 2 Changes in the activity and expression of drug metabolizing enzymes at hypoxia. ↑: Increase; ↓: Decrease |
药物转运体是一类存在于细胞膜上的蛋白质或多肽, 影响着药物在体内的吸收、分布、代谢和排泄。药物转运体分为两类, 第一类是ABC族转运蛋白, 又称ATP结合(ATP-binding cassette, ABC)转运蛋白, 由ABC基因编码, 如ABCB1编码MDR1、ABCC2编码MRP2等。ABC家族主要有多药耐药蛋白(multi-drug resistance protein, MDRs)又称P-糖蛋白(P-glycoprotein, P-gp)、多药耐药相关蛋白(multidrug resistance-associated protein, MRPs)、乳腺癌耐药蛋白(breast cancer resistance protein, BCRP)等, 其大部分蛋白的功能是将底物从细胞内外排至细胞外。第二类是可溶性载体(solute carrier, SLC)转运蛋白, 又称可溶性载体, 由SLC基因编码, 如SLCO1B1编码OATP1B1、SLC15A1编码PEPT1等。SLC家族包括寡肽转运体(oligopeptide transporter, PEPTs)、有机阴离子(organic anion transporter, OATs)、阳离子转运体(organic cation transporter, OCTs)等, 主要功能是转运底物进入细胞[43, 44]。
低氧显著影响药物转运体的表达, 家兔在8%O2浓度下缺氧48 h, 肝组织中的MDR1蛋白表达显著升高77%[42]。Dopp等[45]也证实了低氧升高大鼠肝脏MDR1 mRNA的相对表达。大鼠在高原低氧实际环境暴露72 h后, MDR1蛋白和mRNA表达在小肠中分别下调了71.3%和50.1%, 肝组织中分别上调1.33和1.15倍, 肾组织中分别上调1.83和0.49倍[46, 47], 研究结果表明低氧条件下MDR1的表达在不同组织中的变化趋势不同。低氧暴露时间也是影响药物转运体的重要因素, 随着缺氧时间的延长, MRP2在小肠和肝脏组织中的蛋白表达量有上升的趋势, 而在肾脏组织中, 缺氧24 h后MRP2的表达升高, 缺氧72 h后MRP2的表达降低[47]。大鼠在模拟海拔5 000 m的低压氧舱中暴露24 h和72 h后, PEPT1、OATP1B1、OAT1、OCT1、MDR1和MRP2的表达升高, 但随着缺氧时间的延长, 不同组织中的药物转运体变化趋势不一致[48]。
以上研究结果显示, 低氧条件下药物转运体的变化与机体组织类型和低氧暴露时间有关, 其中肝脏中MDR1、MRP2、PEPT1、OATP1B1、OAT1、OCT1的表达显著升高, OATP2和BCRP的表达无明显变化。肠组织中MRP2、PEPT1、OATP1B1、OAT1、OCT1的表达显著升高, 而MDR1的表达显著降低。肾组织中MDR1、PEPT1、OAT1、OCT1表达显著升高, MRP2的表达随低氧暴露时间先升高后降低, OATP1B1的表达随低氧暴露时间先降低后无明显变化。低氧条件下药物转运体的变化见表 3[42, 45-48]。
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表 3 Changes in the activity and expression of drug transporters at hypoxia. ↑: Increase; ↓: Decrease |
miRNA可负调控CYP450的表达[49, 50]。在敲除miRNA-122的小鼠肝脏中CYP1A2的表达显著上调, 提示miRNA-122对CYP1A2有负调控作用[51]。Chen等[52]筛选出62个与CYP1A2相关的miRNA, 进一步证实miRNA-132-5p可靶向调控CYP1A2的表达。Wei等[53]用双荧光素酶实验证实了miRNA-320可靶向CYP1A2抑制股骨头缺血性坏死。Wei等[54]预测105种miRNA可能对CYP3A4的mRNA有转录调控作用, 并证实了miRNA-1、miRNA-577、miRNA-532-3p和miRNA-627可显著降低CYP3A4的表达。文献[55, 56]证实了miRNA-103和miRNA-107对CYP2C8具有负调节作用, 并在CYP2C9和CYP2C19的3'-UTRs中发现了miRNA应答元件(miRNA response element, MRE), 表明miRNA-103和miRNA-107可能在转录后水平调控CYP2C9和CYP2C19的表达。此外, miRNA-128调控CYP2C9的表达, miRNA-130b和miRNA-155可调控CYP2C9和CYP2C19的表达[57-59]。Li等[60]研究了脑组织中CYP2D变化的机制, 发现miRNA-101和miRNA-128-2能与CYP2D6 3'-UTRs结合, 从而降低CYP2D6在脑组织中的表达。miRNA对CYP2E1同样具有负调节作用, 研究[61, 62]发现CYP2E1的3'-UTRs中有一个潜在的miRNA-378 MRE识别元件, 并验证了miRNA-378对CYP2E1的靶向作用, 同时在人肝组织样本中观察到miRNA-378与CYP2E1的负相关性。
Ⅱ相代谢酶UGTs参与了许多内源性物质的代谢, 并且与药物的不良反应密切相关[63]。Dluzen等[64]对UGT1A1 3'-UTRs进行生物信息学分析, 发现miRNA-491-3p的潜在结合位点, 并通过转染miRNA-491-3p的拟似物和抑制物验证了其对UGT1A1的负调控作用。其他研究表明miRNA-548d和miRNA-217分别调控UGT1A1和NAT2的表达[65, 66]。
除药物代谢酶外, miRNA也可调控内源性物质的代谢酶。肝脏miRNA-122负调控CYP7A1和谷胱甘肽过氧化物酶7 (GPX7)的表达[67, 68], 肠组织miRNA-19b负调控CYP19A1的表达[69]。在淋巴细胞中过表达miRNA-125b能够显著降低谷胱甘肽合成酶(gluta‐thione synthetase, GSS)的活性, 其机制与miRNA-125b能够靶向作用于GSS基因有关[70]。
3.2 miRNA调控药物转运体miRNA负调节ABC药物转运体。MDR1的相关研究发现, miRNA-298在多个耐药细胞系中直接作用于MDR1的3'-UTR, 抑制其表达[71]。miRNA-331-5p可靶向作用于MDR1 mRNA的3'-UTR, 下调MDR1的表达[72]。He等[18]综述了miRNA-7、miRNA-19、miRNA-27a、miRNA-145、miRNA-200c、miRNA-354、miRNA-451对MDR1的靶向调控作用。miRNA-660与MRP2表达具有一定相关性, 但二者的靶向作用并未证实[73]。文献[74, 75]报道, 用miRNA-379拟似物转染HepG2细胞, 发现其抑制MRP2的表达及MRP2不同二级结构的mRNA通过与miRNA相互作用对蛋白下调的程度产生影响, 证实了二者之间的靶向作用。Guo等[76]发现miRNA-495下调了耐药基因BCRP的表达, 在miRNA-495-UBE2C-BCRP/ERCC1通路中扮演了重要的角色。Li等[77]确定了BCRP mRNA 3'-UTR一个新的miRNA-519c响应元件, 并证实人乳腺癌细胞中miRNA-519c和miRNA-520h下调BCRP的表达。Jiao等[78]发现耐药细胞株中下调最为显著的miRNA-181a靶向作用于BCRP mRNA的3'-UTR, 进一步抑制BCRP的表达, 逆转细胞耐药现象。Kong等[79]研究了BCRP在耐药中的分子机制, 发现miRNA-145抑制BCRP的表达。
miRNA对SLC药物转运体的调节作用研究较少, 目前仅发现miRNA-511、miRNA-206、miRNA-613负调控OATP1B1的表达[80, 81], miRNA-92b、miRNA-193a-3p负调控PEPT1的表达[82-84]。miRNA对其他SLC药物转运体的调节作用未见报道。
以上研究表明, miRNA对Ⅰ相代谢酶CYP450、Ⅱ相代谢酶、内源性物质代谢酶、ABC和SLC族药物转运体均具有负调控作用。miRNA调节药物转运体的研究主要集中在ABC药物转运体, SLC药物转运体还有待进一步证实。
4 miRNA调控HIF-1、核受体以及炎症因子HIF-1、核受体以及炎症因子是调控药物代谢酶和转运体相关的基因, 这些基因的调控作用是影响药物代谢酶和转运体表达的重要机制, 因此miRNA对HIF-1、核受体以及炎症因子的调控作用会影响药物代谢酶和转运体的功能及表达。
HIF-1是细胞应答缺氧的重要调节因子, 启动下游多个与缺氧相关的基因转录。常氧条件下, 脯氨酸羟化酶(proline hydroxylase, PHD)激活, HIF-1被蛋白酶水解。低氧条件下, PHD处于抑制状态使得HIF-1稳定存在, 进一步调控CYP2C11、CYP3A4及MDR1的表达[85]。miRNA-18a的表达在低氧条件下显著降低, 并靶向调节HIF-1的mRNA表达[86]。另外, 研究也发现miRNA-135b、miRNA-155、miRNA-199a和miRNA-424可调节HIF-1的表达[87-90]。
核受体是调节药物代谢酶和转运体的重要转录因子, 主要包括孕烷X受体(pregnane X receptor, PXR)、组成型雄烷受体(constitutive androstane receptor, CAR)和过氧化物酶体增殖体激活受体(peroxisome proliferator-activated receptor, PPAR)。研究发现miRNA-140-3p可抑制肝癌细胞中PXR的表达[91]。Rao等[92]研究了miRNA-148a介导雌激素对胆汁淤积症的诱导作用, 发现其可能通过PXR信号通路参与了雌激素的诱导。Takwi等[93]发现miRNA对CAR同样具有负调节作用, 有趣的是CAR可反向下调miRNA-137的表达, 形成双向调节。有研究[94, 95]也证实了CAR可负反馈调控miRNA的表达。Xiao等[96]发现HaCaT细胞中miRNA-203可调控PPAR的表达, 减轻角化细胞增生。
miRNA在炎症反应中发挥着重要作用, 文献[97]报道miRNA-29c可升高炎症因子白介素-6 (IL-6)和肿瘤坏死因子-α(TNF-α)的蛋白和mRNA表达。MarquesRocha等[98]发现miRNA-126、miRNA-132、miRNA-146、miRNA-155和miRNA-221可调控TNF-α、IL-1、IL-6和IL-18的表达。自身免疫疾病中的miRNA对炎症因子也有调控作用, TNF-α、IL-1β、IL-6均可被miRNA-10a、miRNA-23b、miRNA-155、miRNA-522等多个miRNA直接和间接调控[99]。
综上, miRNA对HIF-1、核受体、炎症因子均有调控作用。miRNA-18a、miRNA-135b、miRNA-155、miRNA-199a、miRNA-424下调HIF-1的表达。miRNA-140-3p和miRNA-148a下调PXR的表达, miRNA-137可下调CAR的表达, miRNA-203调控PPAR的表达。IL-6和TNF-α的表达调控与miRNA-29c、miRNA-10a、miRNA-23b、miRNA-155和miRNA-522有关, IL-1β的表达调控与miRNA-10a、miRNA-23b、miRNA-155和miRNA-522有关, 见表 4[18, 51-60, 62, 64-68, 70, 72, 74, 76-81, 83, 84, 86-93, 96, 97, 99]。
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表 4 Modulation of miRNA on genes involved in drug metabolism |
低氧影响药物代谢酶和转运体的相关机制还处于探索阶段, 早期认为低氧使血液在内脏器官重分布、肝血流量降低, 阻止药物向肝脏的传递, 导致药物消除减慢, 也有文献认为低氧条件下机体肝肾功能发生一定变化, 并进一步影响药物代谢酶和转运体的活性和表达, 但都未得到进一步证实[40]。目前主要从相关因子、核受体、相关通路等几个方面开展相关机制研究。
低氧条件下HIF-1、炎症因子、核受体、P53 (protein53)、丝裂原活化蛋白激酶(mitogen-activated protein kinase, MAPK)等对药物代谢酶和转运体具有重要调控作用。HIF-1与下游基因的低氧反应元件(hypoxia reactive elements, HREs)结合, 调控CYP1A、CYP2C11、CYP3A6和CYP4B1的表达[85, 100]。HIF-1α亚基中有一个氧依赖降解结构域, 在常氧下极易降解, 半衰期不足5 min[85]。低氧条件下, HIF-1α的稳定性和表达都显著升高, 与HIF-1β形成二聚体, 在细胞核内与转录辅助激活因子CBP/p300、HNF4等相互作用启动转录。除HIF-1外, 炎症因子也可调控药物代谢酶的表达, 如IL-1β、IL-2β、IFN-γ可下调CYP1A1和CYP1A2的表达[40, 101]。上述炎症因子与NF-κB (nuclear factor-kappa B)通路关系密切, 低氧条件下IL-1、IL-6、TNF-α显著升高, 激活NF-κB通路, 通过磷酸化、泛素化等途径降解通路中的抑制元件IKB (NF-κB inhibitory protein), 进而调控药物代谢酶的表达, 见图 1。
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Figure 1 A hypothetical network view on the interactions between miRNA and drug metabolizing enzymes and transporters under hypoxia.The network contains miRNA and its target genes.In normoxia condition HIF is inactivated by prolyl hydroxylase enzymes (EGLN 1-3, also known as PHD 1-3) using oxygen as a substrate.Once hydroxylated it binds to a protein called Von Hippel Lindau protein (VHL) for its degradation by proteasome, whereas in hypoxia condition stabilization and nuclear translocation occur, leading to HIF pathway activation.Homeostatic response to hypoxia is primarily mediated by HIF-1 that elicits transcriptional activity through recruitment of the CREB binding protein (CBP)/p300 coactivator.Hepatic nuclear factor receptor 4 (HNF4) is interacting with HIF-1 complex, to potentiate further the coop‐erative effect.Inflammation activates the family of transcription factor called nuclear factor-kappa B (NF-κB).The IκB kinase (IKK) com‐plex is the signal integration hub for NF-κB activation.IKB: NF-κB inhibitory protein; RISC: RNA-induced silencing complex |
PXR、CAR和PPAR是核受体超家族中的重要成员, 研究发现低氧显著降低PXR和CAR的表达, 并进一步调控CYP450的活性和表达, 其中PXR调节CYP3A的表达, CAR调节CYP2B、CYP1A以及CYP3A的表达, 而CYP2C9、CYP2C19和CYP2C18由PXR和CAR共同调控[40, 101]。PPAR主要介导CYP4A基因的表达, 同时也参与CY2E1的调控[102]。
低氧对药物转运体的影响机制主要与HIF、NF-κB、核受体等有关。Zhang等[103]研究发现低氧条件下HIF、P53、MAPK、NF-κB通路上调MDR1的表达。Lee等[104]发现低氧同时诱导细胞中HIF-1和MRP1的mRNA表达, 并用质粒转染方法证实HepG2细胞过表达HIF-1后, MRP1的mRNA表达显著升高。关于SLC转运体的研究较少, 仅有研究证明了在肿瘤低氧环境下OCT1可被PXR调控[105]。
低氧影响药物代谢的相关机制研究主要集中在药物代谢酶, 药物转运体的研究相对较少, 但二者的调控机制相似, 主要通过HIF、炎症因子、NF-κB、核受体等通路进行调控。低氧条件下, HIF、炎症因子、NF-κB和核受体之间是否会发生相互作用进而影响药物的代谢, 这一网络调控的关键因子尚未找到。
近年来, 越来越多的研究发现非编码RNA如miRNA、长链非编码RNA (long non-coding RNA lncRNA)和环状RNA (circular RNA, circRNA)等在基因表达调控中具有重要作用。内源竞争RNA (competing endogenous RNA, ceRNA)是RNA间相互作用的一种新机制, 主要成员是lncRNA, 有研究筛选了缺氧条件下lncRNAs的差异性表达, 发现lncRNA-H19是低氧条件下药物转运体发生变化的关键分子[106]。ceRNA可以竞争性结合miRNA来调节基因的表达, 因此ceRNA调控的核心是miRNA, miRNA可能是低氧影响药物代谢的核心机制。综合文献报道, 作者提出以下结论: ①低氧可上调或下调miRNA的表达; ②低氧可降低大部分CYP450酶的活性和表达; ③低氧对不同组织中药物转运体的表达影响不同, 并且与缺氧时间有关; ④miRNA可负调控药物代谢酶和转运体; ⑤ miRNA可负调控与药物代谢酶和转运体相关的基因。综上, miRNA可能是低氧影响药物代谢酶和转运体的关键分子机制(图 1)。
6 小结与展望低氧对体内物质代谢具有显著影响, 阻碍机体循环系统、神经系统、内分泌系统等的正常运行, 导致药物在体内的代谢动力学特征、药物代谢酶和转运体的活性及表达均发生显著改变, 进一步影响药物的治疗作用。在低氧环境中, 研究药物的代谢动力学特征、药物代谢酶和药物转运体的活性和表达及相关机制, 以及如何对缺氧人群进行合理有效的用药将是未来研究的热点。
肿瘤、炎症、休克等疾病状态或者高空飞行、潜水作业、高原环境都会引起机体缺氧。近年来, 人类高原活动日益频繁, 高海拔地区的人口逐渐增多, 急进高原后发生的急性肺水肿、脑水肿等疾病严重危害人们生命健康, 因此, 与其他低氧环境相比, 高原环境对人类生命活动影响较大。关注高原商贸和旅游人群、高原驻防官兵、高原体育训练的防护及高海拔地区人群的个体化用药已成为医药学科研人员研究的重点。
低氧对药物体内代谢的影响是药物代谢研究的一个新方向, 目前主要集中在部分药物的代谢动力学、Ⅰ相药物代谢酶CYP450和ABC药物转运体, 且大多采用大鼠、家兔等动物模型, 难以全面客观反映人体真实特征。另外, 机制研究主要围绕细胞因子和核受体的调节进行。在低氧环境中, 大多数药物的动力学特征、Ⅱ相药物代谢酶和SLC药物转运体表达及功能到底如何变化, 动物研究结果是否与人体研究结果一致, 除细胞因子和核受体外, 是否还存在其他调节机制, 都存在很大研究空间, 也值得进一步去探讨。
目前, 肿瘤、炎症等病理状态的微观低氧环境和高原实际低氧环境中的药物代谢研究有较多文献报道, 但肿瘤低氧微环境与高原实际低氧环境对药物代谢酶以及转运体的影响不同[33, 34], 今后应区别对待, 重点突破。高原环境中除低氧外, 还存在辐射、寒冷等影响因素, 近年来研究已证实辐射显著影响药物的体内代谢[107, 108], 因此应综合考虑各种因素全面探讨高原低氧环境中的药物代谢。
低氧对药物代谢动力学、药物代谢酶和药物转运体有显著影响, 而HIF、炎症因子、PXR/CAR及miRNA与药物代谢酶和转运体密切相关。miRNA可直接调控药物代谢酶以及转运体的表达, 也可以作用于核受体、炎症因子、HIF等药物代谢相关基因来间接调控药物代谢酶和转运体的表达。低氧环境下miRNA的表达发生显著变化, miRNA又可调控多种基因的表达而影响药物的代谢, 基于目前研究成果, 作者提出miRNA介导的低氧对药物代谢酶和转运体影响机制。低氧条件下miRNA调控药物代谢酶和转运体是多因素调控机制, 有关miRNA介导的低氧对药物体内代谢的调控机制, 还需大量研究进一步验证。
作者贡献：段雅彬负责文章的选题、资料收集以及文章撰写; 朱俊博负责文章撰写和修改; 杨建鑫负责文献核对和图表制作; 李向阳教授负责文章的选题、思路和框架的提出以及文章修改, 为该文章的主要负责人。
利益冲突：本文无任何利益冲突。
| [1] |
Gao ZQ, Luo G, Ni B. Progress in mass spectrometry-based proteomics in hypoxia-related diseases and high-altitude medicine[J]. OMICS, 2017, 21: 305-313. DOI:10.1089/omi.2016.0187 |
| [2] |
Du X, Zhang R, Ye SL, et al. Alterations of human plasma proteome profile on adaptation to high-altitude hypobaric hypoxia[J]. J Proteome Res, 2019, 18: 2021-2031. DOI:10.1021/acs.jproteome.8b00911 |
| [3] |
Strand TE, Khiabani HZ, Boico A, et al. The novel combination of theophylline and bambuterol as a potential treatment of hypoxemia in humans[J]. Can J Physiol Pharmacol, 2017, 95: 1009-1018. DOI:10.1139/cjpp-2016-0635 |
| [4] |
Richer M, Lam YW. Hypoxia, arterial pH and theophylline disposition[J]. Clin Pharmacokinet, 1993, 25: 283-299. DOI:10.2165/00003088-199325040-00004 |
| [5] |
Li M, Li J, Meng G, et al. Protective effects of diltiazem against vascular endothelial cell injury induced by angiotensin-Ⅱ and hypoxia[J]. Clin Exp Pharmacol Physiol, 2015, 42: 337-343. DOI:10.1111/1440-1681.12371 |
| [6] |
Wei L, Li L, Zhang B, et al. Propranolol suppresses cobalt chloride-induced hypoxic proliferation in human umbilical vein endothelial cells in vitro[J]. Pharmacology, 2019, 103: 61-67. DOI:10.1159/000494762 |
| [7] |
Klawitter J, Christians U, Irwin DC, et al. Safety and ergogenic properties of combined aminophylline and ambrisentan in hypoxia[J]. Clin Pharmacol Ther, 2018, 103: 888-898. DOI:10.1002/cpt.860 |
| [8] |
Tapia L, Irarrázaval S. Acetazolamide for the treatment of acute mountain sickness[J]. Medwave, 2019, 19: e7737. |
| [9] |
Arancibia A, Gai MN, Chávez J, et al. Pharmacokinetics of prednisolone in man during acute and chronic exposure to high altitude[J]. Int J Clin Pharm Ther, 2005, 43: 85-91. DOI:10.5414/CPP43085 |
| [10] |
Arancibia A, Nella Gai M, Paulos C, et al. Effects of high altitude exposure on the pharmacokinetics of furosemide in healthy volunteers[J]. Int J Clin Pharm Ther, 2004, 42: 314-320. DOI:10.5414/CPP42314 |
| [11] |
Li XY, Gao F, Li ZQ, et al. Comparison of the pharmacokinetics of sulfamethoxazole in male Chinese volunteers at low altitude and acute exposure to high altitude versus subjects living chronically at high altitude: an open-labeled, controlled, prospective study[J]. Clin Ther, 2009, 31: 2744-2754. DOI:10.1016/j.clinthera.2009.11.019 |
| [12] |
Li XY, Wang XJ, Li YP, et al. Effect of exposure to acute and chronic high-altitude hypoxia on the activity and expression of CYP1A2, CYP2D6, CYP2C9, CYP2C19 and NAT2 in rats[J]. Pharmacology, 2014, 93: 76-83. DOI:10.1159/000358128 |
| [13] |
Li XY, Wang XJ, Li YP, et al. The activity, protein, and mRNA expression of CYP2E1 and CYP3A1 in rats after exposure to acute and chronic high altitude hypoxia[J]. High Alt Med Biol, 2014, 15: 491-496. DOI:10.1089/ham.2014.1026 |
| [14] |
Xia Y, Xia L, Jin Z, et al. Cytochrome P450 epoxygenase-dependent activation of TRPV4 channel participates in enhanced serotonin-induced pulmonary vasoconstriction in chronic hypoxic pulmonary hypertension[J]. Anal Cell Pathol(Amst), 2020, 2020: 8927381. |
| [15] |
Valencia-Cervantes J, Huerta-Yepez S, Aquino-Jarquín G, et al. Hypoxia increases chemoresistance in human medulloblastoma DAOY cells via hypoxia-inducible factor 1α-mediated downregulation of the CYP2B6, CYP3A4 and CYP3A5 enzymes and inhibition of cell proliferation[J]. Oncol Rep, 2019, 41: 178-190. |
| [16] |
Apaya MK, Shiau JY, Liao GS, et al. Integrated omics-based pathway analyses uncover CYP epoxygenase-associated networks as theranostic targets for metastatic triple negative breast cancer[J]. J Exp Clin Cancer Res, 2019, 38: 187. DOI:10.1186/s13046-019-1187-y |
| [17] |
Kulshreshtha R, Ferracin M, Wojcik SE, et al. A microRNA signature of hypoxia[J]. Mol Cell Biol, 2007, 27: 1859-1867. DOI:10.1128/MCB.01395-06 |
| [18] |
He YQ, Chevillet JR, Liu G, et al. The effects of microRNA on the absorption, distribution, metabolism and excretion of drugs[J]. Brit J Pharmacol, 2014, 172: 2733-2747. |
| [19] |
Rupaimoole R, Wu SY, Pradeep S, et al. Author correction: hypoxia-mediated downregulation of miRNA biogenesis promotes tumour progression[J]. Nat Commun, 2020, 11: 2867. DOI:10.1038/s41467-020-16661-3 |
| [20] |
Morh AM, Mott JL. Overview of microRNA biology[J]. Semin Liver Dis, 2015, 35: 3-11. DOI:10.1055/s-0034-1397344 |
| [21] |
Lu TX, Rothenberg ME. MicroRNA[J]. J Allergy Clin Immunol, 2018, 141: 1202-1207. DOI:10.1016/j.jaci.2017.08.034 |
| [22] |
Fisher SE. RNA Interference and microRNA-mediated silencing[J]. Curr Protoc Mol Biol, 2015, 112: 1-5. |
| [23] |
Tian T, Wang JQ, Zhou X. A review: microRNA detection methods[J]. Org Biomol Chem, 2015, 28: 2223-2238. |
| [24] |
Liu D, Zhao D, Zhao Y, et al. Inhibition of microRNA-155 alleviates cognitive impairment in Alzheimer's disease and involvement of neuroinflammation[J]. Curr Alzheimer Res, 2019, 16: 473-482. DOI:10.2174/1567205016666190503145207 |
| [25] |
Zhao L, Ni X, Zhao L, et al. MiroRNA-188 acts as tumor suppressor in non-small-cell lung cancer by targeting MAP3K3[J]. Mol Pharm, 2018, 15: 1682-1689. DOI:10.1021/acs.molpharmaceut.8b00071 |
| [26] |
Arya B, Singh AK, Rotllan N, et al. MicroRNAs and lipid metabolism[J]. Curr Opin Lipidol, 2017, 28: 273-280. DOI:10.1097/MOL.0000000000000420 |
| [27] |
Nam HS, Hwang KS, Jeong YM, et al. Expression of miRNA-122 induced by liver toxicants in zebra fish[J]. Biomed Res Int, 2016, 2016: 1-7. |
| [28] |
Zeng Y, Lv YH, Tao L, et al. G6PC3, ALDOA and CS induction accompanies mir-122 down-regulation in the mechanical asphyxia and can serve as hypoxia biomarkers[J]. Oncotarget, 2016, 7: 74526-74536. DOI:10.18632/oncotarget.12931 |
| [29] |
Zhu L. The Study on Hypoxia Exercise Inducing miR-27/PPARγ, miR-122/PPARβ to Regulation Lipid Metabolism in Obese Rat's Liver(低氧训练诱导miR-27/PPARγ、miR-122/PPARβ调控肥胖大鼠肝脏脂代谢机理的研究)[D]. Shanghai: Shanghai University of Sport, 2016.
|
| [30] |
Chang Y, Yan W, He XX, et al. MiRNA-375 inhibits autophagy and reduces viability of hepatocellular carcinoma cells under hypoxic conditions[J]. Gastroenterology, 2012, 143: 177-187. DOI:10.1053/j.gastro.2012.04.009 |
| [31] |
Zheng H, Bi FR, Yang Y, et al. Downregulation of miR-196-5p induced by hypoxia drives tumorigenesis and metastasis in hepatocellular carcinoma[J]. Horm Cancer, 2019, 10: 177-189. DOI:10.1007/s12672-019-00370-5 |
| [32] |
Jin W. Effects of Hypoxic Training on MicroRNA Expression and Lipid Metabolism in High Fat Diet Rats Liver(低氧训练对高脂饮食大鼠肝脏microRNA表达及脂代谢的调节研究)[D]. Shanghai: Shanghai University of Sport, 2014.
|
| [33] |
Nijhuis A, Thompson H, Adam J, et al. Remodelling of microRNAs in colorectal cancer by hypoxia alters metabolism profiles and 5-fluorouracil resistance[J]. Hum Mol Genet, 2017, 26: 1552-1564. DOI:10.1093/hmg/ddx059 |
| [34] |
Yan Y, Wang C, Zhou WQ, et al. Elevation of circulating miR-210-3p in high-altitude hypoxic environment[J]. Front Physiol, 2016, 7: 1-9. |
| [35] |
Toshihiro T, Yoichi K, Shin H, et al. MicroRNA-320 family is downregulated in colorectal adenoma and affects tumor proliferation by targeting CDK[J]. World J Gastrointest Oncol, 2016, 8: 532-542. DOI:10.4251/wjgo.v8.i7.532 |
| [36] |
Liu LL, Li DH, He YL, et al. MiR-210 protects renal cell against hypoxia-induced apoptosis by targeting HIF-1 alpha[J]. Mol Med, 2017, 23: 258-271. |
| [37] |
Wu X, Chang SC, Jin J, et al. NLRP3 inflammasome mediates chronic intermittent hypoxia-induced renal injury implication of the microRNA-155/FOXO3a signaling pathway[J]. J Cell Physiol, 2018, 233: 9404-9415. DOI:10.1002/jcp.26784 |
| [38] |
Xu X, Song NN, Zhang X, et al. Renal protection mediated by hypoxia inducible factor-1α depends on proangiogenesis function of miR-21 by targeting thrombospondin 1[J]. Transplantation, 2017, 101: 1811-1819. DOI:10.1097/TP.0000000000001501 |
| [39] |
Zhou Y, Wen J, Wang G. Identification of cytochrome P450 isoenzymes involved in the metabolism of 23-hydroxybetulinic acid in human liver microsomes[J]. Pharm Biol, 2020, 58: 60-63. DOI:10.1080/13880209.2019.1701500 |
| [40] |
Zhang JL, Li XY. A review of drug metabolism under hypoxia environment at high altitude[J]. Acta Pharm Sin(药学学报), 2015, 50: 1073-1079. |
| [41] |
Kurdi J, Maurice H, El-Kadi AO, et al. Effect of hypoxia alone or combined with inflammation and 3-methylcholanthrene on hepatic cytochrome P450 in conscious rabbits[J]. Br J Pharmacol, 1999, 128: 365-373. DOI:10.1038/sj.bjp.0702795 |
| [42] |
Fradette C, Batonga J, Teng S, et al. Animal models of acute moderate hypoxia are associated with a down-regulation of CYP1A1, 1A2, 2B4, 2C5, and 2C16 and up-regulation of CYP3A6 and P-glycoprotein in liver[J]. Drug Metab Dispos, 2007, 35: 765-771. DOI:10.1124/dmd.106.013508 |
| [43] |
Wu XA. Drug Transporter Foundation and Application(药物转运体基础与应用)[M]. Beijing: Science Press, 2017: 66-67.
|
| [44] |
Zhou XJ, Duan YB, Li XY, et al. Progress in the effect of drug metabolism on the transporters and nuclear receptors[J]. J Pharm Res(药学研究), 2017, 36: 91-95. |
| [45] |
Dopp JM, Moran JJ, Abel NJ, et al. Influence of intermittent hypoxia on myocardial and hepatic P-glycoprotein expression[J]. Pharmacotherapy, 2009, 29: 365-372. DOI:10.1592/phco.29.4.365 |
| [46] |
Li WB, Luo BF, Wang R, et al. Changes of P-gp expression in rats'small intestine and effects on uptake of levofloxacin after acute exposure to hypoxia[J]. Acta Pharm Sin(药学学报), 2016, 51: 1412-1416. |
| [47] |
Luo BF, Yin Q, Wang R, et al. Effect of hypoxia on expressions of MDR1 and MRP2 in rats[J]. J South Med Univ(南方医科大学学报), 2016, 36: 1169-1174. |
| [48] |
Jin T, Luo BF, Zhang XY, et al. Difference in effects of hypoxia on gene expressions of six drug transporters in rats[J]. Pharm J Chin PLA(解放军药学学报), 2017, 33: 297-301. |
| [49] |
Yu AM. Small interfering RNA in drug metabolism and transport[J]. Curr Drug Metab, 2007, 8: 700-708. DOI:10.2174/138920007782109751 |
| [50] |
Yu AM. Role of microRNAs in the regulation of drug metabolism and disposition[J]. Expert Opin Drug Metab Toxicol, 2009, 5: 1513-1528. DOI:10.1517/17425250903307448 |
| [51] |
Chowdhary V, Teng KY, Thakral S, et al. MiRNA-122 protects mice and human hepatocytes from acetaminophen toxicity by regulating cytochrome P450 family 1 subfamily A member 2 and family 2 subfamily E member 1 expression[J]. Am J Pathol, 2017, 187: 2758-2774. DOI:10.1016/j.ajpath.2017.08.026 |
| [52] |
Chen YT, Zeng LJ, Wang Y, et al. The expression, induction and pharmacological activity of CYP1A2 are post-transcriptionally regulated by microRNA hsamiR-132-5p[J]. Biochem Pharmacol, 2017, 145: 178-191. DOI:10.1016/j.bcp.2017.08.012 |
| [53] |
Wei JH, Luo QQ, Tang YJ, et al. Upregulation of microRNA-320 decreases the risk of developing steroid-induced avascular necrosis of femoral head by inhibiting CYP1A2 both in vivo and in vitro[J]. Gene, 2018, 660: 136-144. DOI:10.1016/j.gene.2018.03.045 |
| [54] |
Wei ZY, Jiang SS, Zhang YT, et al. The effect of microRNAs in the regulation of human CYP3A4: a systematic study using a mathematical model[J]. Sci Rep, 2014, 4: 4283. |
| [55] |
Wang X, Yu T, Liao X, et al. One of the largest subfamilies of the P450s is the CYP2C subfamily. Many species contain multiple CYP2C subfamily members[J]. Cancer Med, 2018, 7: 966-980. DOI:10.1002/cam4.1299 |
| [56] |
Zhang SY, Surapureddi S, Coulter S, et al. Human CYP2C8 is post-transcriptionally regulated by microRNAs 103 and 107 in human liver[J]. Mol Pharmacol, 2012, 82: 529-540. DOI:10.1124/mol.112.078386 |
| [57] |
Yu D, Green B, Marrone A, et al. Suppression of CYP2C9 by microRNA hsa-miR-128-3p in human liver cells and association with hepatocellular carcinoma[J]. Sci Rep, 2015, 5: 8534-8543. DOI:10.1038/srep08534 |
| [58] |
Rieger JK, Reutter S, Hofmann U, et al. Inflammation-associated microRNA-130b down-regulates cytochrome P450 activities and directly targets CYP2C9[J]. Drug Metab Dispos, 2015, 43: 884-888. DOI:10.1124/dmd.114.062844 |
| [59] |
Kugler N, Klein K, Zanger UM. MiR-155 and other microRNAs downregulate drug metabolizing cytochromes P450 in inflammation[J]. Biochem Pharmacol, 2020, 171: 113725. DOI:10.1016/j.bcp.2019.113725 |
| [60] |
Li J, Xie MM, Wang XS, et al. Sex hormones regulate cerebral drug metabolism via brain miRNAs: down-regulation of brain CYP2D by androgens reduces the analgesic effects of tramadol[J]. Br J Pharmacol, 2015, 172: 4639-4654. DOI:10.1111/bph.13206 |
| [61] |
Zhu LH, He YJ, Niu FL, et al. Polymorphisms of drug-metabolizing enzyme CYP2E1 in Chinese Uygur population[J]. Medicine, 2018, 97: e9970. DOI:10.1097/MD.0000000000009970 |
| [62] |
Mohri T, Nakajima M, Fukami T, et al. Human CYP2E1 is regulated by miR-378[J]. Biochem Pharmacol, 2010, 79: 1045-1052. DOI:10.1016/j.bcp.2009.11.015 |
| [63] |
Schulz C, Boeck S, Heinemann V, et al. UGT1A1 genotyping: a predictor of irinotecan side effect and drug efficacy?[J]. Anticancer Drugs, 2009, 20: 867-879. DOI:10.1097/CAD.0b013e328330c7d2 |
| [64] |
Dluzen DF, Sun D, Salzberg AC, et al. Regulation of UDP-glucuronosyltransferase 1A1 expression and activity by microRNA491-3p[J]. J Pharmacol Exp Ther, 2014, 348: 465-477. DOI:10.1124/jpet.113.210658 |
| [65] |
Shenoda BB, Ramanathan S, Ajit SK. In vitro validation of miRNA-mediated gene expression linked to drug metabolism[J]. Curr Protoc Pharmacol, 2017, 79: 9.26.1-9.26.15. |
| [66] |
Yang CL, Zheng XL, Ye K, et al. Effects of microRNA-217 on proliferation, apoptosis, and autophagy of hepatocytes in rat models of CCl4-induced liver injury by targeting NAT2[J]. J Cell Physiol, 2019, 234: 3410-3424. DOI:10.1002/jcp.26748 |
| [67] |
Song KH, Li T, Owsley E, et al. A putative role of microRNA in regulation of cholesterol 7α-hydroxylase expression in human hepatocytes[J]. J Lipid Res, 2010, 51: 2223-2233. DOI:10.1194/jlr.M004531 |
| [68] |
Akinc A, Zumbuehl A, Goldberg M, et al. A combinatorial library of lipid-like materials for delivery of RNAi therapeutics[J]. Nat Biotechnol, 2008, 26: 561-569. DOI:10.1038/nbt1402 |
| [69] |
Shibahara Y, Miki Y, Onodera Y, et al. Aromatase inhibitor treatment of breast cancer cells increases the expression of let-7f, a microRNA targeting CYP19A1[J]. J Pathol, 2012, 227: 357-366. DOI:10.1002/path.4019 |
| [70] |
Tili E, Michaille JJ, Luo Z, et al. The down-regulation of miR-125b in chronic lymphocytic leukemias leads to metabolic adaptation of cells to a transformed state[J]. Blood, 2012, 120: 2631-2638. |
| [71] |
Xie Y, Shao Y, Deng X, et al. MicroRNA-298 reverses multidrug resistance to antiepileptic drugs by suppressing MDR1/P-gp expression in vitro[J]. Front Neurosci, 2018, 12: 602-612. DOI:10.3389/fnins.2018.00602 |
| [72] |
do Imperio GE, Bloise E, Javam M, et al. Chorioamnionitis induces a specific signature of placental ABC transporters associated with an increase of miR-331-5p in the human preterm placenta[J]. Cell Physiol Biochem, 2018, 45: 591-604. DOI:10.1159/000487100 |
| [73] |
Benson EA, Eadon MT, Desta Z, et al. Rifampin regulation of drug transporters gene expression and the association of microRNAs in human hepatocytes[J]. Front Pharmacol, 2016, 7: 111-124. |
| [74] |
Werk AN, Bruckmueller H, Haenisch S, et al. Genetic variants may play an important role in mRNA-miRNA interaction: evidence for haplotype-dependent downregulation of ABCC2 (MRP2) by miRNA-379[J]. Pharmacogenet Genomics, 2014, 24: 283-291. DOI:10.1097/FPC.0000000000000046 |
| [75] |
Dahan A, Amidon GL. MRP2 mediated drug-drug interaction: indomethacin increases sulfasalazine absorption in the small intestine, potentially decreasing its colonic targeting[J]. Int J Pharm, 2010, 386: 216-220. DOI:10.1016/j.ijpharm.2009.11.021 |
| [76] |
Guo JW, Jin D, Wu Y, et al. The miR 495-UBE2C-ABCG2/ERCC1 axis reverses cisplatin resistance by downregulating drug resistance genes in cisplatin-resistant non-small cell lung cancer cells[J]. EBioMedicine, 2018, 35: 204-221. DOI:10.1016/j.ebiom.2018.08.001 |
| [77] |
Li X, Pan YZ, Seigel GM, et al. Breast cancer resistance protein BCRP/ABCG2 regulatory microRNAs(hsa-miR-328, -519c and-520h)and their differential expression in stem-like ABCG2+cancer cells[J]. Biochem Pharmacol, 2011, 81: 783-792. DOI:10.1016/j.bcp.2010.12.018 |
| [78] |
Jiao XY, Zhao L, Ma MT, et al. MiR-181a enhances drug sensitivity in mitoxantone-resistant breast cancer cells by targeting breast cancer resistance protein(BCRP/ABCG2)[J]. Breast Cancer Res Treat, 2013, 139: 717-730. DOI:10.1007/s10549-013-2607-x |
| [79] |
Kong JH, Qiu YJ, Li Y, et al. TGF-β1 elevates P-gp and BCRP in hepatocellular carcinoma through HOTAIR/miR-145 axis[J]. Biopharm Drug Dispos, 2019, 40: 70-80. DOI:10.1002/bdd.2172 |
| [80] |
Rao Y, Jin GF, Liu MY, et al. Effect and mechanism of miR-206/miR-613 on expression of OATP1B[J]. Acta Pharm Sin(药学学报), 2016, 51: 1858-1863. |
| [81] |
Peng JF, Liu L, Guo CX, et al. Role of miR-511 in the regulation of OATP1B1 expression by free fatty acid[J]. Biomol Ther, 2015, 23: 400-406. DOI:10.4062/biomolther.2015.010 |
| [82] |
Giacomini KM, Huang SM, Tweedie DJ, et al. Membrane transporters in drug development[J]. Nat Rev Drug Discov, 2010, 9: 215-236. DOI:10.1038/nrd3028 |
| [83] |
Dalmasso G, Nguyen HT, Yan Y, et al. MicroRNA-92b regulates expression of the oligopeptide transporter PepT1 in intestinal epithelial cells[J]. Am J Physiol Gastrointest Liver Physiol, 2011, 300: G52-G59. DOI:10.1152/ajpgi.00394.2010 |
| [84] |
Dai X, Chen X, Chen Q. MicroRNA-193a-3p reduces intestinal inflammation in response to microbiota via down-regulation of colonic PepT1[J]. J Biol Chem, 2015, 290: 16099-16115. DOI:10.1074/jbc.M115.659318 |
| [85] |
Bel AR, Dimova EY, Gorlach A, et al. The role of hypoxia inducible factor-1 in cell metabolism-a possible target in cancer therapy[J]. Expert Opin Ther Targets, 2006, 10: 583-599. DOI:10.1517/14728222.10.4.583 |
| [86] |
Han F, Wu Y, Jiang W. MicroRNA-18a decreases choroidal endothelial cell proliferation and migration by inhibiting HIF1A expression[J]. Med Sci Monit, 2015, 21: 1642-1647. DOI:10.12659/MSM.893068 |
| [87] |
Umezu T, Tadokoro H, Azuma K, et al. Exosomal miR-135b shed from hypoxic multiple myeloma cells enhances angiogenesis by targeting factor-inhibiting HIF-1[J]. Blood, 2014, 124: 3748-3757. |
| [88] |
Bruning U, Cerone L, Neufeld Z, et al. MicroRNA-155 promotes resolution of hypoxia-inducible factor 1α activity during prolonged hypoxia[J]. Mol Cell Biol, 2011, 31: 4087-4096. DOI:10.1128/MCB.01276-10 |
| [89] |
Dai L, Lou W, Zhu J, et al. MiR-199a inhibits the angiogenic potential of endometrial stromal cells under hypoxia by targeting HIF-1α/VEGF pathway[J]. Int J Clin Exp Pathol, 2015, 8: 4735-4744. |
| [90] |
Ghosh G, Subramanian IV, Adhikari N, et al. Hypoxia-induced microRNA-424 expression in human endothelial cells regulates HIF-α isoforms and promotes angiogenesis[J]. J Clin Investig, 2010, 120: 4141-4154. DOI:10.1172/JCI42980 |
| [91] |
Li J, Zhao J, Wang H, et al. MicroRNA-140-3p enhances the sensitivity of hepatocellular carcinoma cells to sorafenib by targeting pregnenolone X receptor[J]. Onco Targets Ther, 2018, 11: 5885-5894. DOI:10.2147/OTT.S179509 |
| [92] |
Rao ZZ, Zhang XW, Ding YL, et al. MiR-148a-mediated estrogen-induced cholestasis in intrahepatic cholestasis of pregnancy: Role of PXR/MRP3[J]. PLoS One, 2017, 12: e0178702. DOI:10.1371/journal.pone.0178702 |
| [93] |
Takwi AA, Wang YM, Wu J, et al. miR-137 regulates the constitutive androstane receptor and modulates doxorubicin sensitivity in parental and doxorubicin-resistant neuroblastoma cells[J]. Oncogene, 2014, 33: 3717-3729. DOI:10.1038/onc.2013.330 |
| [94] |
Hao RX, Su SZ, Wan YN. Bioinformatic analysis of microRNA networks following the activation of the constitutive androstane receptor (CAR) in mouse liver[J]. Biochim Biophys Acta, 2016, 1859: 1228-1237. DOI:10.1016/j.bbagrm.2016.04.002 |
| [95] |
Kazantseva YA, Yarushkin AA, Mostovich LA. Xenosensor CAR mediates down-regulation of miR-122 and up-regulation of miR-122 targets in the liver[J]. Toxicol Appl Pharmacol, 2015, 288: 26-32. DOI:10.1016/j.taap.2015.07.004 |
| [96] |
Xiao YY, Wang HZ, Wang C, et al. MiR-203 promotes HaCaT cell overproliferation through targeting LXR-α and PPAR-γ[J]. Cell Cycle, 2020, 28: 1-13. |
| [97] |
Guo J, Li J, Zhao J, et al. MiRNA-29c regulates the expression of inflammatory cytokines in diabetic nephropathy by targeting tristetraprolin[J]. Sci Rep, 2017, 7: 2314-2327. DOI:10.1038/s41598-017-01027-5 |
| [98] |
Marques-Rocha JL, Samblas M, Milagro FI, et al. Noncoding RNAs, cytokines, and inflammation-related diseases[J]. FASEB J, 2015, 29: 3595-3611. DOI:10.1096/fj.14-260323 |
| [99] |
Salvi V, Gianello V, Tiberio L, et al. Cytokine targeting by miRNAs in autoimmune diseases[J]. Front Immunol, 2019, 10: 15-25. DOI:10.3389/fimmu.2019.00015 |
| [100] |
Eunjung L, Sujin Y, Seung KL, et al. Two transactivation domains of hypoxia-inducible factor-1α regulated by the MEK-1-p42-p44 MAPK pathway[J]. Mol Cells, 2002, 14: 9-15. |
| [101] |
Zhou XJ, Nian YQ, Qiao YJ, et al. Hypoxia plays a key role in the pharmacokinetic changes of drugs at high altitude[J]. Curr Drug Metab, 2018, 19: 960-969. DOI:10.2174/1389200219666180529112913 |
| [102] |
Zhao XR, Gonzales N, Aronowski J. Pleiotropic role of PPARγ in intracerebral hemorrhage: an intricate system involving Nrf2, RXR, and NF-κB[J]. CNS Neurosci Ther, 2015, 21: 357-366. DOI:10.1111/cns.12350 |
| [103] |
Zhang MX, Wang R, Li WB, et al. A review of drug transporters under hypoxia environment at high altitude[J]. Chin Pharmacol Bull(中国药理学通报), 2018, 34: 316-321. |
| [104] |
Lee JW, Bae SH, Jeong JW. Hypoxia-inducible factor(HIF-1)α: its protein stability and biological functions[J]. Exp Mol Med, 2004, 36: 1-12. DOI:10.1038/emm.2004.1 |
| [105] |
Wojtal KA, Cee A, Lang S, et al. Down regulation of duodenal SLC transporters and activation of proinflammatory signaling constitute the early response to high altitude in humans[J]. Am J Physiol Gastrointest Liver Physiol, 2014, 307: G673-G688. DOI:10.1152/ajpgi.00353.2013 |
| [106] |
Li W, Li J, Wang R, et al. MDR1 will play a key role in pharmacokinetic changes under hypoxia at high altitude and its potential regulatory networks[J]. Drug Metab Rev, 2015, 47: 191-198. DOI:10.3109/03602532.2015.1007012 |
| [107] |
Qiao YJ, Xin YY, Zhou XJ, et al. A review of radiation impact on drug metabolism[J]. Acta Pharm Sin(药学学报), 2017, 52: 871-878. |
| [108] |
Li XY, Qu N, Wang XJ, et al. Regulation of X-ray irradiation on the activity and expression levels of CYP1A2 and CYP2E1 in rats[J]. Front Pharmacol, 2020, 10: 1575. DOI:10.3389/fphar.2019.01575 |