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Genome of the Giant Panda Roundworm Illuminates Its Host Shift and Parasitic Adaptation

Genomics, Proteomics & Bioinformatics 2022年第2期20卷 366-381页

作者： yue Xie Sen Wang Shuangyang Wu Shenghan Gao Qingshu Meng Chengdong Wang Jingchao Lan Li Luo Xuan Zhou Jing Xu Xiaobin Gu Ran He Zijiang Yang Xuerong peng Songnian Hu Guangyou Yang Department of Parasitology College of Veterinary MedicineSichuan Agricultural UniversityChengdu 611130China Agricultural Genomics Institute Chinese Academy of Agricultural SciencesShenzhen 518120China State Key Laboratory of Microbial Resources Institute of MicrobiologyChinese Academy of SciencesBeijing 100101China Department of Oncology and Pathology Karolinska InstitutetStockholm 17164Sweden Department of Urology Feinberg School of MedicineNorthwestern UniversityChicagoIL 60611USA Chengdu Research Base of Giant Panda Breeding Chengdu 610081China Institute of Animal Genetics and Breeding College of Animal Science and TechnologySichuan Agricultural UniversityChengdu 611130China Department of Civil and Environmental Engineering University of MarylandCollege ParkMD 20740USA Department of Chemistry College of Life and Basic ScienceSichuan Agricultural UniversityChengdu 611130China University of Chinese Academy of Sciences Beijing 100049China

Baylisascaris schroederi,a roundworm(ascaridoid)parasite specific to the bamboofeeding giant panda(Ailuropoda melanoleuca),represents a leading cause of mortality in wild giant panda ***,we present a 293-megabase chromosome-level genome assembly of *** to infer its biology,including host *** genomics revealed an evolutionary trajectory accompanied by host-shift events in ascaridoid parasite lineages after host separations,suggesting their potential for transmission and rapid adaptation to new *** and anatomical lines of evidence,including expansion and positive selection of genes related to the cuticle and basal metabolisms,indicate that *** undergoes specific adaptations to survive in the sharp-edged bamboo-enriched gut of giant pandas by structurally increasing its cuticle thickness and efficiently utilizing host nutrients through gut ***,we characterized the secretome of *** and predicted potential drug and vaccine targets for new control ***,this genome resource provides new insights into the host adaptation of *** to the giant panda as well as the host-shift events in ascaridoid parasite *** findings on the unique biology of *** will also aid in the development of prevention and treatment measures to protect giant panda populations from roundworm parasitism.

关键词： Giant panda Baylisascaris genome Host shift Parasitism evolution Host adaptation

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小麦条锈病跨区域全周期绿色防控技术体系的构建与应用

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植物保护 2024年第3期50卷 1-9,36页

作者：刘万才李跃王保通李好海冯小军刘媛彭红吕国强张光先王玲赵中华王晓杰康振生全国农业技术推广服务中心国家农业技术集成创新中心北京100125 西北农林科技大学植物保护学院作物抗逆与高效生产全国重点实验室杨凌712100 河南省植保植检站郑州450002 陕西省植物保护工作总站西安710005 宁夏回族自治区农业技术推广总站银川750001 河南省邓州市植保植检站邓州474150 宁夏回族自治区固原市原州区农业技术推广中心固原756000

小麦条锈病是我国小麦生产上一种跨区域流行的重大病害。1949年以来,我国小麦条锈病研究,治理能力明显提升,发病面积、流行程度、流行频率明显降低,但由于条锈菌Puccinia striiformis ***新毒性小种不断产生和气候异常变化等因素的影响... 详细信息

小麦条锈病是我国小麦生产上一种跨区域流行的重大病害。1949年以来,我国小麦条锈病研究,治理能力明显提升,发病面积、流行程度、流行频率明显降低,但由于条锈菌Puccinia striiformis ***新毒性小种不断产生和气候异常变化等因素的影响,近年来其流行规律和成灾机制出现了新的变化,发生危害加重,严重威胁小麦生产和国家粮食安全。基于“十二五”以来我国在小麦条锈病菌毒性新小种产生、有性生殖、侵染循环和大区流行规律等方面的最新研究成果,作者在学习和实践以往病害治理经验的基础上,坚持长短结合、标本兼治、分区治理、综合防治的指导思想,制定了“以绿色防控为基础,以全周期管理为重点,以跨区域联防联控为保障”的防控策略,提出了精准监测预报、毒性小种变异监测、早期菌源控制、抗病品种合理布局和应急防控等关键技术,集成构建了全国小麦条锈病跨区域全周期绿色防控技术体系,制定了越夏易变区、冬季繁殖区(越冬区)和春季流行区分区防控技术体系。经在小麦条锈病主要流行区大面积试验示范,取得了防控效果85%以上,化学农药用量减少10%以上,小麦单产提高5%以上的成效。2022年-2023年在全国小麦主产区大范围组织推广应用,有效控制了小麦条锈病严重流行势头,全国病害发生面积出现了新低,有效减轻了灾害损失,保障了国家粮食安全。

关键词：小麦条锈病条锈菌跨区域全周期绿色防控技术体系大区流行

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Abnormal brain activity in rats with sustained hypobaric hypoxia exposure:a resting-state functional magnetic resonance imaging study

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Chinese Medical Journal 2019年第21期132卷 2621-2627页

作者： Hui Yuan Yong Wang peng-Fei Liu Yun-Long yue Jin-Song Guo Zhen-Chang Wang Department of Radiology Beijing Friendship HospitalCapital Medical UniversityBeijing 100050China Department of Radiology Beijing Shijitan HospitalCapital Medical UniversityBeijing 100038China Department of Respiratory and Critical Care Medicine Hypoxic LaboratoryBeijing Shijitan HospitalCapital Medical UniversityBeijing 100038China Department of Anesthesiology Beijing Shijitan HospitalCapital Medical UniversityBeijing 100038China Department of MRI Beijing Shijitan HospitalCapital Medical UniversityBeijing 100038China.

Background:Hypobaric hypoxia(HH)exposure at high altitudes can result in a decline in cognitive function,which may have a serious impact on the daily life of people who migrate to high ***,the specific HH-induced changes in brain function remain *** study explored changes in brain activity in rats exposed to a sustained HH environment using functional magnetic resonance imaging(fMRI).Methods:Healthy male rats(8 weeks old)were randomly divided into a model group and a control group.A rat model of cognitive impairment induced by sustainedHHexposure was *** control and model groups completed training and testing in the Morris water maze(MWM).A two-sample t-test for between-group difference comparisons was *** measures analyses of variance for within-group comparisons were performed and post-hoc comparisons were made using the Tukey ***-group differences in spontaneous brain activity were assessed using a voxel-wise analysis of resting-state fMRI(rs-fMRI),combined with analyses of the fractional amplitude of low frequency fluctuations(fALFF)in statistical parametric ***:In the MWM test,the escape latencies of the model group were significantly longer compared with those of the control group(control group *** group,day 1:21.6±3.3 s vs.40.5±3.4 s,t=–11.282;day 2:13.5±2.2 s vs.28.7±5.3 s,t=–7.492;day 3:10.5±2.8 s vs.22.6±6.1 s,t=–5.099;day 4:9.7±2.5 s vs.18.6±5.2 s,t=–4.363;day 5:8.8±2.7 s vs.16.7±5.0 s,t=–3.932;all P<0.001).Within both groups,the escape latency at day 5 was significantly shorter than those at other time points(control group:F=57.317,P<0.001;model group:F=50.718,P<0.001).There was no within-group difference in average swimming speed(control group,F=1.162,P=0.956;model group,F=0.091,P=0.880).Within the model group,the time spent within the original platform quadrant was significantly shorter(control group *** group:36.1±5.7 s vs.17.8±4.3 s,t=7.249,P<0.001)and the frequency of c

关键词： Hypobaric hypoxia Cognition Magnetic resonance imaging Functional Rat

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Application of computed tomography-based radiomics in differential diagnosis of adenocarcinoma and squamous cell carcinoma at the esophagogastric junction

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World Journal of Gastroenterology 2022年第31期28卷 4363-4375页

作者： Ke-Pu Du Wen-peng Huang Si-Yun Liu Yun-Jin Chen Li-Ming Li Xiao-Nan Liu Yi-Jing Han yue Zhou Chen-Chen Liu Jian-Bo Gao Department of Radiology The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052Henan ProvinceChina Department of Pharmaceutical Diagnostics General Electric Company HealthcareBeijing 100176China Department of Pathology The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052Henan ProvinceChina

BACKGROUND The biological behavior of carcinoma of the esophagogastric junction(CEGJ)is different from that of gastric or esophageal *** squamous cell carcinoma of the esophagogastric junction(SCCEG)from adenocarcinoma of the esophagogastric junction(AEG)can indicate Siewert stage and whether the surgical route for patients with CEGJ is transthoracic or transabdominal,as well as aid in determining the extent of lymph node *** the development of neoadjuvant therapy,preoperative determination of pathological type can help in the selection of neoadjuvant radiotherapy and chemotherapy *** To establish and evaluate computed tomography(CT)-based multiscale and multiphase radiomics models to distinguish SCCEG and AEG *** We retrospectively analyzed the preoperative contrasted-enhanced CT imaging data of single-center patients with pathologically confirmed SCCEG(n=130)and AEG(n=130).The data were divided into either a training(n=182)or a test group(n=78)at a ratio of 7:3.A total of 1409 radiomics features were separately extracted from two dimensional(2D)or three dimensional(3D)regions of interest in arterial and venous ***-/inter-observer consistency analysis,correlation analysis,univariate analysis,least absolute shrinkage and selection operator regression,and backward stepwise logical regression were applied for feature ***,six logistic regression models were established based on 2D and 3D multi-phase *** receiver operating characteristic curve analysis,the continuous net reclassification improvement(NRI),and the integrated discrimination improvement(IDI)were used for assessing model discrimination *** and decision curves were used to assess the calibration and clinical usefulness of the model,*** The 2D-venous model(5 features,AUC:0.849)performed better than 2D-arterial(5 features,AUC:0.808).The 2D-arterial-venous combined model could further e

关键词： Esophagogastric junction Squamous cell carcinoma Adenocarcinoma X-ray computed tomography Radiomics

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中国社区中老年人夜间睡眠时长与抑郁的相关性研究

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现代预防医学 2024年第11期51卷 2061-2065页

作者：汪玥杉龙文成彭介入沈晓丽张璐张绮文董尧黄祖波余葱葱王超周浩杨春霞四川大学华西公共卫生学院/华西第四医院流行病与卫生统计学系四川大学华西第四医院陈志潜慢性病研究中心成都市妇女儿童中心医院四川省中西医结合医院亚健康研究中心

目的探讨中国社区中老年人睡眠情况与抑郁的相关性，为提升中老年人睡眠质量、心理健康及生活质量提供参考。方法本研究数据来自中国健康与养老追踪调查（China Health and Retirement Longitudinal Study,CHARLS）2013和2018年资料... 详细信息

目的探讨中国社区中老年人睡眠情况与抑郁的相关性，为提升中老年人睡眠质量、心理健康及生活质量提供参考。方法本研究数据来自中国健康与养老追踪调查（China Health and Retirement Longitudinal Study,CHARLS）2013和2018年资料，经过筛选数据，最终纳入研究对象6 312例。将研究对象按其夜间睡眠时长进行分组，构建多因素线性回归模型及多元logistic回归模型，调整协变量，分析夜间睡眠时长与抑郁的关系。结果夜间睡眠时长过短或过长（7～<8 h为正常睡眠时长）的占76.81%;2018年的抑郁得分及检出率在不同夜间睡眠时长分组中差异具有统计学意义（F=30.127，χ2=67.928，均有P<0.001）。夜间睡眠时间与抑郁得分呈负相关（β=-0.278,P<0.001），进一步考虑协变量后，短时睡眠时长（≤5 h）是检出抑郁的风险因素（OR=1.621,95%CI:1.371～1.918），且女性相较男性风险更高（女性OR=1.673,95%CI:1.363～2.054；男性OR=1.501,95%CI:1.120～2.012）。结论中老年人的夜间睡眠与抑郁相关，并受到人口学、社会经济因素、健康行为因素等协变量影响，且中老年女性较男性、高龄较低龄有更高风险。应重视中老年人睡眠健康与心理健康，提高中老年人生活质量。

关键词：睡眠时间抑郁 CHARLS 老龄化

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Pilot HI survey of Planck Galactic Cold Clumps with FAST

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Research in Astronomy and Astrophysics 2020年第5期20卷 181-192页

作者： Ning-Yu Tang Pei Zuo Di Li Lei Qian Tie Liu yue-Fang Wu Marko Krco Meng-Ting Liu You-Ling yue Yan Zhu Hong-Fei Liu Dong-Jun Yu Jing-Hai Sun peng Jiang Gao-Feng Pan Hui Li Heng-Qian Gan Rui Yao Shu Liu FAST Collaboration National Astronomical Observatories Chinese Academy of SciencesBeijing 100101China CAS Key Laboratory of FAST National Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China Kavli Institute for Astronomy and Astrophysics Peking UniversityBeijing 100871China School of Astronomy and Space Science University of Chinese Academy of SciencesBeijing 100049China Shanghai Astronomical Observatory Chinese Academy of SciencesShanghai 200030ChinaShanghai 200030China East Asian Observatory HI 96720USA Department of Astronomy School of PhysicsPeking UniversityBeijing 100871China

We present a pilot HI survey of 17 Planck Galactic Cold Clumps(PGCCs)with the Five-hundred-meter Aperture Spherical radio Telescope(FAST).HI Narrow Self-Absorption(HINSA)is an effective method to detect cold HI being mixed with molecular hydrogen H2 and improves our understanding of the atomic to molecular transition in the interstellar *** was found in 58%PGCCs that we *** column density of HINSA was found to have an intermediate correlation with that of 13CO,following log(N(HINSA))=(0.52±0.26)log(N13CO)+(10±4.1).HI abundance relative to total hydrogen[HI]/[H]has an average value of 4.4×10-3,which is about 2.8 times of the average value of previous HINSA surveys toward molecular *** clouds with total column density NH>5×1020 cm-2,an inverse correlation between HINSA abundance and total hydrogen column density is found,confirming the depletion of cold HI gas during molecular gas formation in more massive *** line width of 13CO is about 0-0.5 kms-1 larger than that of *** possible explanation of narrower non-thermal width of HINSA is that HINSA region is smaller than that of *** on an analytic model of H2 formation and H2 dissociation by cosmic ray,we found the cloud ages to be within 106.7-107.0 yr for five sources.

关键词： ISM:clouds ISM:evolution ISM:molecules

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Study of three rotating radio transients with FAST

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Science China(Physics,Mechanics & Astronomy) 2019年第5期62卷 25-31页

作者： JiGuang Lu Bo peng Kuo Liu peng Jiang YouLing yue Meng Yu Ye-Zhao Yu FeiFei Kou Lin Wang FAST Collaboration CAS Key Laboratory of FAST National Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China Guizhou Radio Astronomy Observatory Chinese Academy of SciencesGuiyang 550025China Max-Planck-lnstitut fiir Radioastronomie Bonn D-53121Germany College of Astronomy and Space Sciences University of Chinese Academy of SciencesBeijing 100049China 不详

Rotating radio transients(RRATs) are peculiar astronomical objects whose emission mechanism remains under *** this paper, we present observations of three RRATs, J1538+2345, J1854+0306 and J1913+1330, carried out with the Fivehundred-meter Aperture Spherical radio Telescope(FAST). Specifically, we analyze the mean pulse profiles and temporal flux density evolutions of the RRATs. Owing to the high sensitivity of FAST, the derived burst rates of the three RRATs are higher than those in previous reports. RRAT J1854+0306 exhibited a time-dynamic mean pulse profile, whereas RRAT J1913+1330 showed distinct radiation and nulling segments on its pulse intensity trains. The mean pulse profile variation with frequency is also studied for RRAT J1538+2345 and RRAT J1913+1330, and the profiles at different frequencies could be well fitted with a cone-core model and a conal-beam model, respectively.

关键词： radiation mechanisms radio pulsars

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安肠组方联合磷酸铝凝胶对宫颈癌放疗致放射性肠炎患者炎症因子、免疫功能以及肠道菌群的影响

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广州中医药大学学报 2024年第5期41卷 1160-1166页

作者：孙月红何新颖贾大鹏杜强胡婷婷杨洪娟孙云川河北省沧州中西医结合医院河北沧州061000

【目的】探究安肠组方(由仙鹤草、生地榆、茯苓、白头翁、白术、炒白芍等中药组成)联合磷酸铝凝胶对宫颈癌放疗后所致放射性肠炎患者炎症因子、免疫功能以及肠道菌群的影响。【方法】将78例宫颈癌放疗后所致放射性肠炎患者随机分为联合... 详细信息

【目的】探究安肠组方(由仙鹤草、生地榆、茯苓、白头翁、白术、炒白芍等中药组成)联合磷酸铝凝胶对宫颈癌放疗后所致放射性肠炎患者炎症因子、免疫功能以及肠道菌群的影响。【方法】将78例宫颈癌放疗后所致放射性肠炎患者随机分为联合组41例和参照组37例。参照组给予磷酸铝凝胶治疗,联合组给予安肠组方联合磷酸铝凝胶治疗,疗程为15 d。观察2组患者治疗前后中医证候积分、血清白细胞介素2(interleukin-2,IL-2)、降钙素原(procalcitonin,PCT)、T淋巴细胞亚群CD4^(+)、CD8^(+)、CD4^(+)/CD8^(+)水平及肠道菌群的变化情况,并评价2组患者的临床疗效。【结果】(1)疗效方面,治疗15 d后,联合组的总有效率为90.24%(37/41),参照组为70.27%(26/37),组间比较,联合组的临床疗效明显优于参照组(P<0.05)。(2)中医证候方面,治疗后,2组患者的黏液脓血便、腹泻、里急后重、腹痛等中医证候积分均较治疗前降低(P<0.05),且联合组的降低幅度均明显优于参照组(P<0.01)。(3)炎症因子方面,治疗后,2组患者的血清IL-2、PCT水平均较治疗前降低(P<0.05),且联合组的降低幅度均明显优于参照组(P<0.01)。(4)免疫功能方面,治疗后,2组患者的T淋巴细胞亚群CD4^(+)、CD4^(+)/CD8^(+)水平均较治疗前升高(P<0.05),CD8^(+)水平均较治疗前降低(P<0.05),且联合组对CD4^(+)、CD4^(+)/CD8^(+)水平的升高幅度及对CD8^(+)水平的降低幅度均明显优于参照组(P<0.01)。(5)肠道菌群方面,治疗后,2组患者的乳酸杆菌、双歧杆菌、大肠埃希菌水平均较治疗前升高(P<0.05),且联合组的升高幅度均明显优于参照组(P<0.01)。【结论】安肠组方联合磷酸铝凝胶对宫颈癌放疗后所致放射性肠炎患者进行治疗,能显著改善患者的临床症状,减轻炎症反应,提高免疫功能,平衡肠道菌群,临床疗效显著。

关键词：安肠组方磷酸铝凝胶宫颈癌放疗放射性肠炎炎症因子免疫功能肠道菌群

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Radiotherapy of unicentric mediastinal Castleman's disease

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Chinese Journal of Cancer 2011年第5期30卷 351-356页

作者： yue-Min Li peng-Hui Liu Yu-Hai Zhang Huo-Sheng Xia Liang-Liang Li Yi-Mei Qu Yong wu Shou-Yun Han Guo-Qing Liao Yong-Dong Pu Cancer Center PLA 309 Hospital Beijing 100091 P.R. China Cancer Center The General Hospital of PLA Beijing 100853P. R. China

Castleman's disease is a slowly progressive and rare lymphoproliferative ***,we report a 55-year-old woman with superior mediastinal Castleman's disease being misdiagnosed for a long *** found a 4.3 cm mass localized in the superior mediastinum accompanied with severe clinical *** patient underwent an exploratory laparotomy,but the mass failed to be totally *** examination revealed a mediastinal mass of Castleman's *** radiotherapy of 30 Gy by 15 fractions,the patient no longer presented previous *** 3 months after radiotherapy of 60 Gy by 30 fractions,Computed tomography of the chest showed significantly smaller mass,indicating partial *** a 10-month follow-up,the patient was alive and free of symptoms.

关键词：放射治疗临床症状淋巴组织病理检查增生性本地化放疗剖腹

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Polymorphisms of MTHFR and TYMS predict capecitabine-induced hand-foot syndrome in patients with metastatic breast cancer

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Cancer Communications 2019年第1期39卷 514-525页

作者： Shaoyan Lin Jian yue Xiuwen Guan peng Yuan Jiayu Wang Yang Luo Ying Fan Ruigang Cai Qiao Li Shanshan Chen Pin Zhang Qing Li Fei Ma Binghe Xu Department of Medical Oncology National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences&Peking Union Medical CollegeNo.17Panjiayuan NanliChaoyang DistrictBeijing 100021P.R.China Department of VIP Medical Services National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100021P.R.China

Background:Breast cancer is a global problem,and a large number of new cases are diagnosed every ***-abine is effective in patients with metastatic breast cancer(MBC).Hand-foot syndrome(HFS)is a common adverse effect of *** this study,we investigated the association between single nucleotide polymorphisms(SNPs)in genes involved in capecitabine metabolism pathways and capecitabine-induced HFS in Chinese patients with MBC to identify some predictive genetic ***:We selected 3 genes involved in capecitabine metabolism and screened genetic variants in these target *** genotyped a total of 22 SNPs in the thymidylate synthase gene(TYMS),the methylene tetrahydrofolate reductase gene(MTHFR),and the ribonucleotide reductase M1 gene(RRM1)in 342 MBC patients treated with capecit-abine-based *** genotype distributions of each SNP in patients with and without HFS were assessed using Pearson’sχ^(2)test,and the relationship between HFS and genotypes of SNPs was determined using logistic regression *** association between SNPs and their corresponding gene expression was analyzed using the Blood expression quantitative trait loci(eQTL)browser online ***:We found 4 positive sites for HFS in the TYMS and MTHFR genes:TYMS rs2606241(P=0.022),TYMS rs2853741(P=0.019),MTHFR rs3737964(P=0.029),and MTHFR rs4846048(P=0.030).Logistic regression analyses showed that the genotype AG of MTHFR rs3737964[odds ratio(OR)=0.54,95%confidence interval(CI)0.31-0.97,P=0.038]and MTHFR rs4846048(OR=0.54,95%CI 0.30-0.98,P=0.042)were protective factors of HFS,whereas the genotype CT of TYMS rs2853741(OR=2.25,95%CI 1.31-3.87,P=0.012)increased the risk of *** association between the genotype GT of TYMS rs2606241(OR=1.27,95%CI 0.73-2.23,P=0.012)and HFS was *** eQTL analyses confirmed that the alleles of rs3737964 and rs4846048 affected the gene expression levels of MTHFR in ***:We have identified four potentiall

关键词： Capecitabine Polymorphism Metastatic breast cancer Hand-foot syndrome TYMS MTHFR

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