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李逊斗,高友鹤 教授 中国医学科学院基础医学研究所 药物对尿蛋白质组的影响. Biomarker.

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Presentation on theme: "李逊斗,高友鹤 教授 中国医学科学院基础医学研究所 药物对尿蛋白质组的影响. Biomarker."— Presentation transcript:

1 李逊斗,高友鹤 教授 中国医学科学院基础医学研究所 药物对尿蛋白质组的影响

2 Biomarker

3 Factors affect the urine Urine Environmental factors Medication Etc. Oral diet Stress Age Gender 骨折 Smoking Exercises

4 Biomarker discovery Healthy controls Patients Medications No or rare medications

5 Pharmuromics Pharm-ur-omics  Uromics: urinary proteomics, metabolomics, DNAs, miRNAs, etc.  Pharmuromics: effects of commonly used medications on the uromics.  Pharmuromic Database  Disease specific biomarkers

6 Strategy  Single factor study  Human  Model animals  Genetic background  Diet  Living Environment  etc.

7 Diuretics Affect urine volume and salts Urinary proteins? Kidney disease nephritis, renal failure HypertensionHeart failureEdemaCirrhosis

8 Diuretics Thiazide diuretics Hydrochlorothiazide Loop diuretics Furosemide Potassium -sparing diuretics Spirolactone Diuretics

9 Anesthetics  Animal experiments  Surgery  Pentobarbital sodium and chloral hydrate

10 Procedures  Urine collection:  At therapeutic doses  Self-control : before and after diuretics or anesthetics oral administration/intraperitoneal injection  LC-MS/MS identification (Triple-TOF 5600)  Label-free quantification  P ˂ 0.05  Fold change ≥2  Spectral count ≥5

11 Results----diuretics AccessionProtein nameFold change Biomarkers P97580beta-microseminoprotein4.7↑ No O35568 EGF-containing fibulin-like extracellular matrix protein 13.5 No Table 3 Urinary proteins significantly changed after hydrochlorothiazide administration

12 Results----diuretics Human orthologs

13 Results---anesthetics

14

15 Western blot Company Logo

16 Results---anesthetics Human orthologs

17 Summary 1 2 3

18 Acknowledgement  Prof. Youhe Gao  Mindi Zhao  Other students in the laboratory

19


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