A Review on Technologies for the Use of CO2 as a Working Fluid in Refrigeration and Power Cycles

The use of carbon dioxide as a working fluid has been the subject of extensive studies in recent years, particularly in the field of refrigeration where it is at the heart of research to replace CFC and HCFC. Its thermodynamic properties make it a fluid of choice in the efficient use of energy at low and medium temperatures in engine cycles. However, the performance of transcritical CO2 cycles weakens under high temperature and pressure conditions, especially in refrigeration systems;On the other hand, this disadvantage becomes rather interesting in engine cycles where CO2 can be used as an alternative to the organic working fluid in small and medium-sized electrical systems for low quality or waste heat sources. In order to improve the performance of systems operating with CO2 in the field of refrigeration and electricity production, research has made it possible to develop several concepts, of which this article deals with a review of the state of the art, followed by analyzes in-depth and critical of the various developments to the most recent modifications in these fields. Detailed discussions on the performance and technical characteristics of the different evolutions are also highlighted as well as the factors affecting the overall performance of the systems studied. Finally, perspectives on the future development of the use of CO2 in these different cycles are presented.

泮托拉唑与金嗓散结胶囊联合显微支撑喉镜下CO2激光治疗声带白斑疗效分析

分析泮托拉唑与金嗓散结胶囊联合显微支撑喉镜下CO2激光治疗声带白斑疗效。方法 连续纳入2019年09月-2021年12月期间110例声带白斑患者,以随机数字表法分为对照组/实验组,45例泮托拉唑与金嗓散结胶囊治疗纳入对照组,65例上述基础上联合显微支撑喉镜下CO2激光治疗纳入实验组。分析其在反流情况、疗效以及临床指征方面的差异。结果 中文版反流症状指数量表(RSI)、中文版反流检查计分量表(RFS)评分方面,基本一致,P>0.05;疗效方面,实验组较对照组的具体情况方面更优,P<0.05;MPT、Jitter、SPL方面,实验组治疗后3个月均优于对照组,P<0.05。;发声情况方面,对照组治疗后2周开始改善,对照组略好于实验组,实验组治疗后3个月时发声明显改善,实验组优于对照组,P<0.05。结论 泮托拉唑与金嗓散结胶囊联合显微支撑喉镜下CO2激光治疗声带白斑患者相对单一药物治疗效果更佳。

甲真菌病的5%盐酸阿莫罗芬擦剂结合CO2激光治疗效果

探索甲真菌病患者接受5%盐酸阿莫罗芬擦剂结合CO2激光治疗的临床效果。方法 选择2022年1月~2023年12月期间在皮肤科接受诊治的甲真菌病患者122例进行研究,根据入院时间先后将此122例甲真菌病患者分为两组,对照组接受5%盐酸阿莫罗芬擦剂治疗,观察组在使用擦剂基础上加用CO2激光治疗,对比分析两组患者的临床疗效、真菌清除率、生活质量、甲真菌病临床评分指数(scoring clinical index of onychomycosis, SCIO)、甲真菌病严重程度指数(onychomycosis severity index, OSI)、康复质量以及不良事件发生率。结果 1.观察组临床疗效为95.08%,对照组临床疗效91.97%,差异有统计学意义(P<0.05);2.观察组真菌完全清除率为90.16%,对照组真菌完全清除率为70.49%,差异有统计学意义(P<0.05);3.观察组生活质量评分更高,差异有统计学意义(P<0.05);4.观察组的SCIO和OSI评分分别为(6.89±1.15)分、(5.62±0.87)分均低于对照组的SCIO评分(8.83±1.36)分、OSI评分(7.84±1.23)分,差异有统计学意义(P<0.05);5.观察组康复质量更好,差异有统计学意义(P<0.05);6.观察组不良事件发生概率更低,差异有统计学意义(P<0.05)。结论 甲真菌病患者接受5%盐酸阿莫罗芬擦剂结合CO2激光治疗临床疗效显著,可积极推广。

NiCo2S4/木材液化物碳气凝胶复合材料的制备及电化学性能

以木材液化物为前驱体原料,经凝胶、碳化、活化法制备的碳气凝胶(CA)为基材,通过两步水热法在其骨架表面原位负载NiCo2S4得到NiCo2S4/木材液化物碳气凝胶(NiCo2S4-CA)复合电极材料。利用扫描电子显微镜(SEM)、氮气吸附-脱附实验、傅里叶红外光谱(FT-IR)、X射线衍射(XRD)、X射线光电子能谱(XPS)等手段来表征NiCo2S4-CA材料的物相结构和表面形貌,通过循环伏安法、恒电流充放电及电化学交流阻抗等测试方法研究其电化学性能,探究其电荷储存机理。结果表明:NiCo2S4纳米颗粒锚定在具有珊瑚网络结构的CA骨架表面,形成丰富的多级孔隙结构。CA的引入有利于NiCo2S4的良好分散,缓解其团聚问题,且不会改变NiCo2S4的晶体结构。NiCo2S4-CA3作为超级电容器电极材料表现出极好的电化学性能,其比容量最大值为1 040.2 F/g(1 A/g),较小的等效电阻为1.01Ω和良好的循环稳定性,经2 000次恒流充放电(10 A/g)循环后,保持着初始比电容的56.61%,优于纯NiCo2S4的47.33%。NiCo2S4-CA3复合材料在20 A/g超大电流密度的电容保持率高达74.34%,远高于纯NiCo2S4的57.65%,电荷储存动力学显示其电化学过程由表面电容控制和扩散控制过程共同作用。该合成工艺简单且成本较低,NiCo2S4-CA3作为超级电容器电极材料在要求高容量、大电流密度领域具有极其广阔的应用前景。

SLCO2A1基因突变致厚皮性骨膜病一例

厚皮性骨膜病是一种罕见的遗传性疾病。本例男性患者,17岁,关节肿胀2年,体格检查发现前额横行皱纹、杵状指、鹦鹉嘴样甲、多发痤疮、毛囊炎,影像学检查提示骨皮质增厚、骨膜增厚、关节炎,高通量测序联合Sanger测序验证发现SLCO2A1基因突变,1个致病[c.941-1G>A(p.?)]的杂合变异和1个疑似致病[c.1286A>G(p.Tyr429Cys)]的杂合变异。对患者父母上述基因位点行遗传追踪,患者母亲携带c.941-1G>A(p.?),患者父亲携带c.1286A>G(p.Tyr429Cys)。给予非甾体抗炎药治疗后症状明显减轻。

Pathogenesis of chronic enteropathy associated with the SLCO2A1 gene:Hypotheses and conundrums

Chronic enteropathy associated with the SLCO2A1 gene(CEAS)is a complex gastroenterological condition characterized by multiple ulcers in the small intestine with chronic bleeding and protein loss.This review explores the potential mechanisms underlying the pathogenesis of CEAS,focusing on the role of SLCO2A1-encoded prostaglandin transporter OATP2A1 and its impact on prostaglandin E2(PGE2)levels.Studies have suggested that elevated PGE2 levels contribute to mucosal damage,inflammation,and disruption of the intestinal barrier.The effects of PGE2 on macrophage activation and Maxi-Cl channel functionality,as well as its interaction with nonsteroidal anti-inflammatory drugs play crucial roles in the progression of CEAS.Understanding the balance between its protective and pro-inflammatory effects and the complex interactions within the gastrointestinal tract can shed light on potential therapeutic targets for CEAS and guide the development of novel,targeted therapies.

中国恩施土家族苗族自治州高度近视患者SCO2基因新突变

目的:探讨SCO2(OMIM 604272)基因在恩施土家族苗族自治州高度近视患者中的致病性变异。方法:共招募384例高度近视患者,其中至少一眼球镜度数≤-6.00 D,且眼轴长度≥26.00 mm。应用苯酚-氯仿法从5 mL外周静脉血中提取DNA。通过Sanger测序以鉴定SCO2第2外显子的致病性变异。运用计算机预测软件对检测到的变异进行评估。来自同一地区的288名健康人群作为正常对照。结果:共检测出7个突变位点,分别为4个同义突变(c.201C>T/p.=,c.576C>T/p=,c.633A>C/p.=,c.780T>C/p.=.),2个错义突变(c.187A>G/p.Ile63Val,c.59G>C/p.Arg20Pro)和1个无义突变(c.544C>T/p.Gln182*)。通过PolyPhen2、SIFT和Provean软件预测,两个错义突变没有致病性。新的无义突变(c.544C>T/p.Gln182*)在1000G中未被发现,在288个正常对照中也未被发现。Variant Taster预测该无义突变位点是保守的。结论:新发现的无义突变可能是我们研究的高度近视患者的致病原因。SCO2与高度近视相关,而这批高度近视人群中SCO2基因突变的发生率低至1/384;该无义突变可能是中国恩施土家族苗族自治州高度近视的一种罕见变异。

A Multi-Center Randomized Controlled Study UsingΔP_(CO2)/Ca-v_(O2)as the Target to Guide Early Tissue Hypoperfusion in Sepsis in Plateau Areas

Objective:To explore the value of using the venous-arterial carbon dioxide partial pressure difference and the arterial-venous oxygen content difference ratio(ΔP_(CO2)/Ca-v_(O2))as targets to guide early tissue hypoperfusion in sepsis in plateau areas.Methods:90 sepsis patients admitted to the Third People’s Hospital of Xining and Golmud People’s Hospital from June 2017 to December 2022 were selected as the research subjects,and they were divided into the Scv_(O2)(central venous oxygen saturation)group and theΔP_(CO2)/Ca-v_(O2)group,with 45 cases in each group.The two groups were treated with early shock resuscitation according to different protocols.The hemodynamic characteristics of the two groups of patients before and after resuscitation were observed,and the volume responsiveness was evaluated.The ROC(receiver operating characteristic)curve was used to analyze the significance ofΔP_(CO2)/Ca-v_(O2),Scv_(O2),lactate,lactate clearance,and urine output in evaluating patient prognosis and the correlation betweenΔP_(CO2)/Ca-v_(O2)and the above indicators was explored.Results:Compared with before resuscitation,after fluid resuscitation,the heart rate(HR),mean arterial pressure(MAP),central venous pressure(CVP),cardiac index(CI),lactate,lactate clearance rate,and urine output of the two groups of patients were significantly improved(P<0.05);in terms of therapeutic effect,the 28-day mortality rate,6-hour fluid balance,and lactic acid clearance of theΔP_(CO2)/Ca-v_(O2)group were better than the Scv_(O2)group.The ROC characteristic curve showed that theΔP_(CO2)/Ca-v_(O2)value can effectively predict the prognosis of patients(AUC=0.907,sensitivity was 97%,specificity was 72.4%,and critical value was 1.84).ΔP_(CO2)/Ca-v_(O2)significantly correlated with Scv_(O2),lactic acid,and lactic acid clearance rate.Conclusion:TheΔP_(CO2)/Ca-v_(O2)value can be used to guide fluid resuscitation in early hypoperfusion in sepsis in plateau areas,improve patients’hemodynamics,reduce lactate indicators,and increase urine output.ΔP_(CO2)/Ca-v_(O2)level>1.84 can effectively improve patient prognosis.

Effects of Anthropogenic CO2 and Thermally-Induced CO2 on Global Warming

Changes in CO2 and temperature are correlated, but it is difficult to observe which is the cause and which is the effect. The release of CO2 dissolved in the ocean into the atmosphere depends on the atmospheric temperature. However, examining the relationship between changes in CO2 caused by other phenomena and temperature is difficult. Studies of soil respiration (Rs) since the late 20th century have shown that CO2 emissions from soil respiration (Rs) are overwhelmingly greater than CO2 emissions from fossil fuel combustion. This is also noted in the IPCC carbon budget assessment. In this paper, the dependences of Rs on temperature, time, latitude, precipitation, seasons, etc., were investigated using the latest NASA database. The changes in temperature and Rs correlated well. There is also a good correlation between Rs and CO2 generation. Therefore, an increase in temperature results in an increase in CO2. On the other hand, there is no evidence other than model calculations that an increase in anthropogenic CO2 is mainly linked to a rise in temperature. The idea that global warming is caused by anthropogenic CO2 production is still a hypothesis. For these reasons, the relationship between global warming and anthropogenic CO2 should be reconsidered based on physical evidence without preconceptions. .

观察喉显微镜下CO2激光手术治疗声带息肉和声带小结的临床疗效及特点

探索喉显微镜下CO2激光手术治疗声带息肉和声带小结的临床疗效及特点。方法 选择我院2020年1月至2022年12月纳入的60例声带息肉和声带小结患者,根据手术方案不同分为两组。对照组采取支撑喉镜下手术,观察组患者则实施喉显微镜下CO2激光手术。比较两组患者并发症发生率、复发率、手术前后患者生存状态、总有效率。结果 观察组各项指标好于对照组,P<0.05。结论 声带息肉和声带小结患者实施喉显微镜下CO2激光手术效果确切。

卤米松乳膏联合超脉冲CO2点阵激光治疗神经性皮炎研究

研究分析卤米松乳膏联合超脉冲CO2点阵激光治疗神经性皮炎。方法 研究选取我院2022年1月-2023年12月收治的神经性皮炎患者100例,分为对照组与观察组,每组各50例。对照组采用恩肤霜治疗,观察组采用卤米松乳膏联合超脉冲CO2点阵激光治疗。分析比较两组患者神经性皮炎消退状况、治疗有效性。结果 与对照组相比,观察组患者神经性皮炎消退状况、治疗有效性好转,P<0.05,差异具有统计学意义。结论 卤米松乳膏联合超脉冲CO2点阵激光治疗神经性皮炎和慢性湿疹起效快,不良反应少,临床疗效显著。

探讨外用碱性成纤维细胞生长因子(bFGF)凝胶对超脉冲CO2点阵激光治疗痤疮瘢痕的临床疗效

探讨外用碱性成纤维细胞生长因子(bFGF)凝胶对超脉冲CO2点阵激光治疗痤疮瘢痕的临床疗效。方法 选取2023年1月-2023年11月本院收治的痤疮瘢痕患者84例纳入研究,均予以超脉冲CO2点阵激光治疗,随机分组(各42例),对照组用莫匹罗星软膏,观察组加用bFGF,对比效果。结果 观察组总有效率,结痂及红斑持续时间,优于对照组(P<0.05);痤疮基底深度、瘢痕体征评分、瘢痕权重干预后,低于对照组(P<0.05);不良反应率也比对照组低(P<0.05)。结论 对痤疮瘢痕的治疗,CO2点阵激光后辅助bFGF凝胶,能提高疗效,改善瘢痕体征,缩短恢复时间,不良反应少。

CO2和硝氮加富对龙须菜(Gracilaria lemaneiformis)生长、生化组分和营养盐吸收的影响

为了探讨大气CO2和海水硝氮浓度升高对龙须菜生理特性的影响,在实验室条件下把藻体于CoNo、C+No、CoN+和C+N+4种不同CO2和硝氮供应水平的处理中进行培养,15d后,分别测定各种不同培养条件下藻体的生长、色素含量、可溶性蛋白含量和营养盐吸收速率。结果表明:CO2或硝氮浓度增加都会使藻体生长加快,但当二者同时加富时对生长的促进作用没有表现出协同效应。不管是高氮还是低氮的培养条件,高浓度CO2都能使藻体的色素和可溶性蛋白的含量降低,而使硝酸还原酶活性升高;同时,在硝氮加富的条件下,高浓度CO2培养能够显著提高藻体的营养盐吸收速率。不管是高还是低的CO2浓度培养条件下,硝氮浓度增加都会使藻体的色素和可溶性蛋白含量以及营养盐吸收速率得到显著提高。这些结果说明,在大气CO2浓度升高或海水富营养化条件下,龙须菜的生长、硝酸还原酶活性和营养盐吸收速率都可能得到促进,而色素和可溶性蛋白的含量也会受到影响。

tBHQ和Sulforaphane对Caco2细胞Nrf2-ARE信号通路的影响

目的:研究抗氧化性诱导剂(激活剂)叔丁基对苯二酚(tert-butylhydroquinone,tBHQ)和莱菔硫烷[1-异硫氰酸-(4R,S)-(甲基亚磺酰基)丁烷](sulforaphane,SFN)对人结肠癌细胞株Caco2的Nrf2-ARE信号通路的影响。方法:选取不同的时间点,分别用20μmol/L tBHQ和5μmol/L SFN处理Caco2细胞,从蛋白质水平、mRNA水平和蛋白质定位3个方面,分别用Westernblotting、real-time PCR和免疫荧光染色(immunoflourescence staining,IF)方法来检测Nrf2以及其调控基因AKR1C1和NQO1(Western blotting,real-time PCR)表达的变化。结果:细胞核中Nrf2基因表达的最佳时间点为加药诱导后8 h,细胞质中Nrf2调控基因AKR1C1和NQO1表达的最佳时间点为加药诱导后16 h。tBHQ的诱导作用在撤去之后仍能持续4 h。结论:本研究使用激活剂tBHQ和SFN对Caco2细胞的Nrf2-ARE信号通路进行诱导,取得了最佳的诱导时间点,并研究了撤去tBHQ后持续诱导时间,为今后在肿瘤化学预防研究中,筛选合适的激活剂及其剂量和使用次数提供了重要依据,也为研究Nrf2-ARE信号通路的抑制剂提供了重要信息。

氯化两面针碱潜在靶基因ESCO2在肝细胞癌中的表达及其临床意义

目的:探索氯化两面针碱(NC)潜在靶基因姐妹染色单体内聚建立蛋白2(ESCO2)在肝细胞癌(HCC)中的潜在作用。方法:从组织层面研究ESCO2在HCC中的表达及临床意义。基于癌症基因图谱(TCGA)数据库,分析ESCO2表达水平与HCC患者临床参数及预后的关系。基于已鉴定的ESCO2差异共表达基因(DCGs),预测潜在信号通路,并绘制蛋白质相互作用(PPI)网络。此外,通过裸鼠HCC模型及实时荧光定量聚合酶链反应(RT-qPCR)实验研究HCC中NC对ESCO2的影响。结果:微阵列和高通量测序分析表明,相较于正常肝组织,ESCO2在HCC中显著高表达(SMD=0.90,I2=92.0%,P<0.001);ESCO2的高表达和患者年龄、肿瘤分级、T分期、病理分期有关。高表达的ESCO2与不良HCC预后相关(P<0.01);京都基因与基因组百科全书(KEGG)通路显示最重要的富集途径是细胞周期;ESCO2在NC处理的裸鼠HCC模型和体外SK-HEP-1细胞中的表达显著下调(P<0.01)。结论:高表达的ESCO2在HCC中发挥促癌作用,ESCO2可能是NC治疗HCC患者的潜在靶点。

A review of CO2 storage in geological formations emphasizing modeling,monitoring and capacity estimation approaches

The merits of CO2 capture and storage to the environmental stability of our world should not be underestimated as emissions of greenhouse gases cause serious problems.It represents the only technology that might rid our atmosphere of the main anthropogenic gas while allowing for the continuous use of the fossil fuels which still power today’s world.Underground storage of CO2 involves the injection of CO2 into suitable geological formations and the monitoring of the injected plume over time,to ensure containment.Over the last two or three decades,attention has been paid to technology developments of carbon capture and sequestration.Therefore,it is high time to look at the research done so far.In this regard,a high-level review article is required to provide an overview of the status of carbon capture and sequestration research.This article presents a review of CO2 storage technologies which includes a background of essential concepts in storage,the physical processes involved,modeling procedures and simulators used,capacity estimation,measuring monitoring and verification techniques,risks and challenges involved and field-/pilot-scale projects.It is expected that the present review paper will help the researchers to gain a quick knowledge of CO2 sequestration for future research in this field.

Eosinophilic enteritis requiring differentiation from chronic enteropathy associated with SLCO2A1 gene:A case report

BACKGROUND Eosinophilic gastrointestinal disease(EGID)is a disorder characterized by infiltration of eosinophils causing mucosal damage and dysfunction of the gastrointestinal tract.The endoscopic findings of eosinophilic enteritis(EoN),an EGID variant,are nonspecific and occasionally difficult to diagnose.In contrast,chronic enteropathy associated with SLCO2A1(CEAS)is a chronic persistent small intestinal disorder characterized by endoscopic findings such as multiple oblique and circular ulcers.CASE SUMMARY We report the case of a 10-year-old boy who had suffered abdominal pain and fatigue for the preceding 6 mo.He was referred to our institute for investigation of suspected gastrointestinal bleeding because of severe anemia with hypoproteinemia and positive fecal human hemoglobin.The upper and lower gastrointestinal endoscopic findings were normal;however,double-balloon small bowel endoscopy showed multiple oblique and circular ulcers with discrete margins and mild constriction of the intestinal lumen in the ileum.The findings were highly consistent with CEAS,but urine prostaglandin metabolites were within normal limits,and no previously reported mutations in the SLCO2A1 gene were identified.Histological evaluation demonstrated moderate to severe eosinophilic infiltration localized to the small intestine suggesting a diagnosis of EoN.Clinical remission was maintained with montelukast and a partial elemental diet,but emergent surgery for bowel obstruction due to small intestinal stenosis was performed two years after the initial treatment.CONCLUSION EoN should be considered in the differential diagnosis of CEAS-like small intestinal ulcerative lesions and normal urinary prostaglandin metabolite levels.

Recent progress of amine modified sorbents for capturing CO2 from flue gas

Under the Paris agreement, China has committed to reducing CO_2 emissions by 60%–65% per unit of GDP by 2030.Since CO_2 emissions from coal-fired power plants currently account for over 30% of the total carbon emissions in China, it will be necessary to mitigate at least some of these emissions to achieve this goal. Studies by the International Energy Agency(IEA) indicate CCS technology has the potential to contribute 14% of global emission reductions, followed by 40% of higher energy efficiency and 35% of renewable energy, which is considered as the most promising technology to significantly reduce carbon emissions for current coal-fired power plants.Moreover, the announcement of a Chinese national carbon trading market in late 2017 signals an opportunity for the commercial deployment of CO_2 capture technologies.Currently, the only commercially demonstrated technology for post-combustion CO_2 capture technology from power plants is solvent-based absorption. While commercially viable, the costs of deploying this technology are high. This has motivated efforts to develop more affordable alternatives, including advanced solvents, membranes,and sorbent capture systems. Of these approaches, advanced solvents have received the most attention in terms of research and demonstration. In contrast, sorbent capture technology has less attention, despite its potential for much lower energy consumption due to the absence of water in the sorbent. This paper reviews recent progress in the development of sorbent materials modified by amine functionalities with an emphasis on material characterization methods and the effects of operating conditions on performance. The main problems and challenges that need to be overcome to improve the competitiveness of sorbent-based capture technologies are discussed.

Role of N-formyl peptide receptor 2 in germinal matrix hemorrhage:an intrinsic review of a hematoma resolving pathway

Germinal matrix hemorrhage is one of the leading causes of morbidity,mortality,and acquired infantile hydrocephalus in preterm infants in the United States,with little progress made in its clinical management.Blood clots have been shown to elicit secondary brain injury after germinal matrix hemorrhage,by disrupting normal cerebrospinal fluid circulation and absorption after germinal matrix hemorrhage causing post-hemorrhagic hydrocephalus development.Current evidence suggests that rapid hematoma resolution is necessary to improve neurological outcomes after hemorrhagic stroke.Various articles have demonstrated the beneficial effects of stimulating the polarization of microglia cells into the M2 phenotype,as it has been suggested that they play an essential role in the rapid phagocytosis of the blood clot after hemorrhagic models of stroke.N-formyl peptide receptor 2(FPR2),a G-protein-coupled receptor,has been shown to be neuroprotective after stroke.FPR2 activation has been associated with the upregulation of phagocytic macrophage clearance,yet its mechanism has not been fully explored.Recent literature suggests that FPR2 may play a role in the stimulation of scavenger receptor CD36.Scavenger receptor CD36 plays a vital role in microglia phagocytic blood clot clearance after germinal matrix hemorrhage.FPR2 has been shown to phosphorylate extracellular-signal-regulated kinase 1/2(ERK1/2),which then promotes the transcription of the dual-specificity protein phosphatase 1(DUSP1)gene.In this review,we present an intrinsic outline of the main components involved in FPR2 stimulation and hematoma resolution after germinal matrix hemorrhage.

孟鲁司特钠治疗汉族儿童支气管哮喘疗效与ABCC1、SLCO2B1基因单核苷酸多态性的相关性研究

目的探讨白三烯受体拮抗剂(leukotriene receptor antagonists,LTRA)与ATP结合盒亚家族C1(ATP-binding cassette sub-family C member 1,ABCC1)基因rs119774位点、溶质载体有机阴离子转运蛋白家族成员2B1(solute carrier organic anion transporter family member 2B1,SLCO2B1)基因rs12422149位点的单核苷酸多态性(single nucleotide polymorphism,SNP)治疗汉族儿童支气管哮喘疗效的相关性。方法选取2019年4月至2021年12月于福建中医药大学附属厦门市中医院就诊的4~13岁汉族支气管哮喘患儿100例为研究对象,采用一代测序法对患儿的ABCC1基因rs119774位点、SLCO2B1基因rs12422149位点进行检测,分析比较2个位点的SNP分布情况。入组患儿均应用LTRA进行治疗,分别于治疗前与治疗12周时进行肺通气功能及脉冲震荡功能检测,并评估临床症状控制水平,分析患儿疗效与SNP的相关性。统计学方法采用t检验、χ^(2)检验。结果治疗前与治疗12周后,ABCC1基因rs119774位点CC型哮喘患儿应用孟鲁司特钠第1秒用力呼气容积(forced expiratory volume in the first second,FEV_(1))[(87.0±16.5)与(93.2±15.1)L,t=-2.071,P=0.038]、峰值呼气流速(peak expiratory flow,PEF)[(77.1±16.9)与(86.5±16.6)L/s,t=-3.233,P=0.001]和25%肺活量的呼气流速(forced expiratory flow 25,FEF25)[(69.6±18.8)与(78.1±19.9)L/s,t=-1.985,P=0.047]均有明显提高,脉冲震荡各项指标显著改善(P<0.05)。治疗后SLCO2B1基因rs12422149位点AA型肺功能指标PEF高于治疗前[(79.0±16.0)与(93.0±9.4)L/s,t=-2.547,P=0.011],治疗后GG型肺功能各指标显著高于治疗前(P<0.05)。ABCC1治疗前后控制率[59%(59/100)与78%(78/100),78%(78/100),χ^(2)=20.964,P<0.001];治疗前后SLCO2B1基因rs119774位点AA型、AG型、GG型的控制率分别为[59%(59/100)与78%(78/100),78%(78/100),χ^(2)=20.964,P<0.001]、[53%(8/15)与80%(12/15),93%(14/15)χ^(2)=12.786,P=0.002]与[56%(23/41)与78%(32/41),78%(32/41),χ^(2)=6.583,P=0.037]与[73%(32/44)与77%(34/44),73%(32/44),χ^(2)=6.471,P=0.039],均显著改善。结论LTRA治疗汉族支气管哮喘患儿与ABCC1、SLCO2B1基因SNP的效果存在相关性。