Article(id=1236678241235300669, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1236678235866583092, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=1661270400000, acceptedDateStr=2022-08-24, onlineDate=1772776669081, onlineDateStr=2026-03-06, pubDate=1688054400000, pubDateStr=2023-06-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772776669081, onlineIssueDateStr=2026-03-06, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772776669081, creator=13701087609, updateTime=1772776669081, updator=13701087609, issue=Issue{id=1236678235866583092, tenantId=1146029695717560320, journalId=1235980733773295621, year='2023', volume='32', issue='12', pageStart='1177', pageEnd='1280', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772776667801, creator=13701087609, updateTime=1772776891082, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236679172442092503, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1236678235866583092, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236679172442092504, tenantId=1146029695717560320, journalId=1235980733773295621, issueId=1236678235866583092, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1253, endPage=1258, ext={EN=ArticleExt(id=1236678241465987399, articleId=1236678241235300669, tenantId=1146029695717560320, journalId=1235980733773295621, language=EN, title=Effects of high-altitude hypoxia environment on pharmacokinetics of metformin after multiple administration in type 2 diabetes mellitus rats, columnId=null, journalTitle=Chinese Journal of New Drugs, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Objective:

To probe the effects of high-altitude hypoxia environment on the pharmacokinetic parameters of metformin after multiple administration in type 2 diabetes mellitus (T2DM) rats.

Methods:

Liquid chromatography-mass spectrometry (LC-MS/MS) was used, separation was conducted by a Gemini C18 (75 mm×3 mm, 3 μm) column, the mobile phase was acetonitrile-water-formic acid (85∶15∶0.1, v/v/v), the flow rate was 0.4 mL·min-1, the injection volume was 2 μL, and the internal standard was ranitidine. T2DM rats were randomly divided into plain group and plateau group, and were given continuous gavage once a day for 7 days, and on the 7th day blood samples were collected before administration and at 0.083, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 6, 8, 12, 24 h after administration for determination of drug concentration. The DAS 2.0 software was used to simulate and fit the plasma concentration-time data to calculate the pharmacokinetic parameters.

Results:

Compared with the rats in the plain group, the peak time (Tmax), clearance rate (CLZ/F) and average residence time (MRT) of metformin were prolonged by 29.03%, 33.25% and 44.98% (P<0.05) in the rats under high-altitude environment, respectively. The AUC increased by 46.22% (P<0.01).

Conclusion:

The elimination of metformin is slowed down in T2DM rats after multiple administration under high-altitude hypoxia environment.

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目的:

探讨高原低氧环境对二甲双胍在2型糖尿病(type 2 diabetes mellitus, T2DM)大鼠体内多次给药后药动学参数的影响。

方法:

采用LC-MS/MS法,Gemini C18(75 mm×3 mm,3 μm)色谱柱进行分离,流动相为乙腈-水-甲酸(85∶15∶0.1,v/v/v),流速0.4 mL·min-1,进样量为2 μL,内标为雷尼替丁。12只T2DM大鼠随机分为平原组和高原组,连续灌胃给药二甲双胍7 d,qd,并于d 7给药前和给药后0.083,0.25,0.5,0.75,1,1.5,2,4,6,8,12,24 h采集血样进行检测,使用DAS 2.0软件对血药浓度-时间数据进行模拟拟合以计算药动学参数。

结果:

与平原组大鼠相比,高原低氧环境下大鼠体内二甲双胍的Tmax、清除率(CLZ/F)和平均滞留时间(MRT)分别延长了29.03%,33.25%和44.98%(P<0.05),同时AUC增加了46.22%(P<0.01)。

结论:

高原低氧环境下二甲双胍多次给药后在T2DM大鼠体内清除减慢。

, correspAuthors=null, authorNote=null, correspAuthorsNote=
王荣,男,博士,教授,主任药师,研究方向:药动学。E-mail:
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罗林,男,硕士研究生,研究方向:药动学。E-mail:

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高原低氧环境对二甲双胍多次给药后在2型糖尿病大鼠体内药动学影响
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罗林 1 , 黄冬 2 , 张晓静 2 , 李文斌 2 , 王荣 1, 2
中国新药杂志 | 实验研究 2023,32(12): 1253-1258
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中国新药杂志 | 实验研究 2023, 32(12): 1253-1258
高原低氧环境对二甲双胍多次给药后在2型糖尿病大鼠体内药动学影响
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罗林1 , 黄冬2, 张晓静2, 李文斌2, 王荣1, 2
作者信息
  • 1兰州大学药学院,兰州 730000
  • 2中国人民解放军联勤保障部队第九四○医院药剂科,兰州 730050
  • 罗林,男,硕士研究生,研究方向:药动学。E-mail:

通讯作者:

王荣,男,博士,教授,主任药师,研究方向:药动学。E-mail:
Effects of high-altitude hypoxia environment on pharmacokinetics of metformin after multiple administration in type 2 diabetes mellitus rats
Lin LUO1 , Dong HUANG2, Xiao-jing ZHANG2, Wen-bin LI2, Rong WANG1, 2
Affiliations
  • 1School of Pharmacy, Lanzhou University, Lanzhou 730000, China
  • 2Department of Pharmacy, The 940th Hospital of Joint Logistics Support Force, PLA, Lanzhou 730050, China
出版时间: 2023-06-30
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目的:

探讨高原低氧环境对二甲双胍在2型糖尿病(type 2 diabetes mellitus, T2DM)大鼠体内多次给药后药动学参数的影响。

方法:

采用LC-MS/MS法,Gemini C18(75 mm×3 mm,3 μm)色谱柱进行分离,流动相为乙腈-水-甲酸(85∶15∶0.1,v/v/v),流速0.4 mL·min-1,进样量为2 μL,内标为雷尼替丁。12只T2DM大鼠随机分为平原组和高原组,连续灌胃给药二甲双胍7 d,qd,并于d 7给药前和给药后0.083,0.25,0.5,0.75,1,1.5,2,4,6,8,12,24 h采集血样进行检测,使用DAS 2.0软件对血药浓度-时间数据进行模拟拟合以计算药动学参数。

结果:

与平原组大鼠相比,高原低氧环境下大鼠体内二甲双胍的Tmax、清除率(CLZ/F)和平均滞留时间(MRT)分别延长了29.03%,33.25%和44.98%(P<0.05),同时AUC增加了46.22%(P<0.01)。

结论:

高原低氧环境下二甲双胍多次给药后在T2DM大鼠体内清除减慢。

高原环境  /  LC-MS/MS  /  2型糖尿病大鼠  /  二甲双胍  /  多次给药  /  药动学
Objective:

To probe the effects of high-altitude hypoxia environment on the pharmacokinetic parameters of metformin after multiple administration in type 2 diabetes mellitus (T2DM) rats.

Methods:

Liquid chromatography-mass spectrometry (LC-MS/MS) was used, separation was conducted by a Gemini C18 (75 mm×3 mm, 3 μm) column, the mobile phase was acetonitrile-water-formic acid (85∶15∶0.1, v/v/v), the flow rate was 0.4 mL·min-1, the injection volume was 2 μL, and the internal standard was ranitidine. T2DM rats were randomly divided into plain group and plateau group, and were given continuous gavage once a day for 7 days, and on the 7th day blood samples were collected before administration and at 0.083, 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 6, 8, 12, 24 h after administration for determination of drug concentration. The DAS 2.0 software was used to simulate and fit the plasma concentration-time data to calculate the pharmacokinetic parameters.

Results:

Compared with the rats in the plain group, the peak time (Tmax), clearance rate (CLZ/F) and average residence time (MRT) of metformin were prolonged by 29.03%, 33.25% and 44.98% (P<0.05) in the rats under high-altitude environment, respectively. The AUC increased by 46.22% (P<0.01).

Conclusion:

The elimination of metformin is slowed down in T2DM rats after multiple administration under high-altitude hypoxia environment.

high altitude environment  /  LC-MS/MS  /  type 2 diabetes mellitus rats  /  metformin  /  multiple administration  /  pharmacokinetics
罗林, 黄冬, 张晓静, 李文斌, 王荣. 高原低氧环境对二甲双胍多次给药后在2型糖尿病大鼠体内药动学影响. 中国新药杂志, 2023 , 32 (12) : 1253 -1258 .
Lin LUO, Dong HUANG, Xiao-jing ZHANG, Wen-bin LI, Rong WANG. Effects of high-altitude hypoxia environment on pharmacokinetics of metformin after multiple administration in type 2 diabetes mellitus rats[J]. Chinese Journal of New Drugs, 2023 , 32 (12) : 1253 -1258 .
  • 国家自然科学基金资助项目(82173738)
2023年第32卷第12期
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文章信息
  • 首发时间:2026-03-06
  • 出版时间:2023-06-30
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  • 录用日期:2022-08-24
基金
国家自然科学基金资助项目(82173738)
作者信息
    1兰州大学药学院,兰州 730000
    2中国人民解放军联勤保障部队第九四○医院药剂科,兰州 730050

通讯作者:

王荣,男,博士,教授,主任药师,研究方向:药动学。E-mail:
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2种不同金属材料的力学参数

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Genus
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Number of
species
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Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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