Article(id=1220364240301511629, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1220364233427043161, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2019-0484, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1560787200000, receivedDateStr=2019-06-18, revisedDate=1573401600000, revisedDateStr=2019-11-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1768887108159, onlineDateStr=2026-01-20, pubDate=1581436800000, pubDateStr=2020-02-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1768887108159, onlineIssueDateStr=2026-01-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1768887108159, creator=13701087609, updateTime=1768887108159, updator=13701087609, issue=Issue{id=1220364233427043161, tenantId=1146029695717560320, journalId=1189982191388893191, year='2020', volume='55', issue='2', pageStart='181', pageEnd='348', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1768887106520, creator=13701087609, updateTime=1768887715499, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1220366787728822983, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1220364233427043161, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1220366787728822984, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1220364233427043161, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=283, endPage=288, ext={EN=ArticleExt(id=1220364241215868937, articleId=1220364240301511629, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Triterpenoids from Galbanum of uygur medicine and their anticholinesterase activities, columnId=1190335348761793317, journalTitle=Acta Pharmaceutica Sinica, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=

Eight triterpenes were isolated from the methanol extract of Galbanum by various chromatographic methods including silica gel, ODS opening column, recrystallization and semi-preparative HPLC. Their structures were determined by spectroscopic methods and physicochemical properties as 3β, 19α, 21α-trihydroxyl-12-en-28-oic acid (1), sumaresinolic acid (2), 3β, 19α-dihydroxyl-12-en-28-oic acid (3), oleanolic acid (4), 3β, 6β, 19α-trihydroxyl-12-en-28-oic acid (5), 19α-hydroxy oleanonic acid (6), 6α-hydroxy oleanonic acid (7), and (11R, 12R)-3α, 6α-dihydroxy-epoxyolean-28α, 13α-olide (8). Among them, compound 1 is a new compound, while compounds 2-8 were newly isolated from the Apiaceae family. The ability of compounds 1-8 to inhibit cholinesterase was determined with an improved Ellman method. Compound 1 showed strong inhibitory activity against butyrylcholinesterase. The molecular docking results indicated that Trp82, His438, Phe329 and Ala328 played an important role in the binding of compound 1 to butyrylcholinesterase.

, correspAuthors=Jin-hui WANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2020 Acta Pharmaceutica Sinica. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Shu-yun WANG, Fu-zhou SUN, Yi-fan SUN, Jian HUANG, Jin-hui WANG, Bao-feng YANG), CN=ArticleExt(id=1220364244361597121, articleId=1220364240301511629, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=维药格蓬脂中三萜类化学成分研究及其抗胆碱酯酶活性评价, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

采用反复硅胶柱色谱、开放ODS柱色谱、重结晶和半制备型HPLC等方法,从维药格蓬脂的甲醇超声提取物中共分离得到8个三萜类化合物。根据波谱数据及理化性质鉴定了化合物的结构,分别为:3β,19α,21α-三羟基-12-烯-28-油酸(1)、苏门树脂脑酸(2)、3β,19α-二羟基-12-烯-28-油酸(3)、齐墩果酸(4)、3β,6β,19α-三羟基-12-烯-28-油酸(5)、19α-羟基齐墩果酮酸(6)、6α-羟基齐墩果酮酸(7)和3α,6α-二羟基-11R,12R-环氧齐墩果烷-28,13α-内酯(8),其中化合物1为新化合物,化合物2~8首次从该科植物中分离得到。运用改进Ellman法对化合物1~8进行胆碱酯酶抑制活性筛选,化合物1表现出较强的丁酰胆碱酯酶抑制活性,进一步对其进行了分子对接研究,提示Trp82、His438、Phe329及Ala328四个氨基酸残基是化合物1与丁酰胆碱酯酶结合的关键位点。

, correspAuthors=王金辉, authorNote=null, correspAuthorsNote=
*王金辉, Tel/Fax:86-451-86685745, E-mail:
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2. Department of Medicinal Chemistry and Natural Medicine Chemistry(State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), Harbin Medical University, Harbin 150081, China
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2.哈尔滨医科大学药化教研室, 省部共建生物医药工程重点实验室, 黑龙江 哈尔滨 150081
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Department of Medicinal Chemistry and Natural Medicine Chemistry(State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), Harbin Medical University, Harbin 150081, China
3. School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1220364246358086002, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364240301511629, authorId=1220364246131593565, language=CN, stringName=黄健, firstName=健, middleName=null, lastName=黄, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=2, 3, address=2.哈尔滨医科大学药化教研室, 省部共建生物医药工程重点实验室, 黑龙江 哈尔滨 150081
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Shenzhen Honghui Biopharmaceutical Co., Ltd., Shenzhen 518118, China), AuthorCompanyExt(id=1220364245091406077, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364240301511629, companyId=1220364245078823162, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=4.深圳弘汇生物医药有限公司, 广东 深圳 518118)])], figs=[ArticleFig(id=1220364249126326734, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364240301511629, language=EN, label=null, caption=null, figureFileSmall=4IvqwJRCJ4IfaGJLfvjEEA==, figureFileBig=UW/zPcnyMwPFWvOe5E6M5g==, tableContent=null), ArticleFig(id=1220364249214407126, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364240301511629, language=CN, label=Figure 1, caption= Chemical structures of compounds <strong>1-8</strong> , figureFileSmall=4IvqwJRCJ4IfaGJLfvjEEA==, figureFileBig=UW/zPcnyMwPFWvOe5E6M5g==, tableContent=null), ArticleFig(id=1220364249415733732, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364240301511629, language=EN, label=null, caption=null, figureFileSmall=4ZPFpMtmraYUYu+WGsrMZA==, figureFileBig=haxDPIcKkz2/OfP+dNcr6A==, tableContent=null), ArticleFig(id=1220364249554145771, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364240301511629, language=CN, label=Figure 2, caption= Key HMBC (→) and NOESY (⇠⇢) correlations of compound <strong>1</strong> , figureFileSmall=4ZPFpMtmraYUYu+WGsrMZA==, figureFileBig=haxDPIcKkz2/OfP+dNcr6A==, tableContent=null), ArticleFig(id=1220364249650614772, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364240301511629, language=EN, label=null, caption=null, figureFileSmall=wGwRUpDDODdpsf9+MQRlDg==, figureFileBig=VH+JpkI+Ss1RN92NP1qhPw==, tableContent=null), ArticleFig(id=1220364249738695161, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364240301511629, language=CN, label=Figure 3, caption= The molecular docking of compound <strong>1</strong> and BuChE. A: The structure of compound <strong>1</strong>; B: The binding site of compound <strong>1</strong>; C: A detailed show of interaction between compound <strong>1</strong> and BuChE; D: The 2D show of interactions , figureFileSmall=wGwRUpDDODdpsf9+MQRlDg==, figureFileBig=VH+JpkI+Ss1RN92NP1qhPw==, tableContent=null), ArticleFig(id=1220364249801609723, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364240301511629, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
No. δH, Mult. (J in Hz) δC, type
1 1.58 m, 1.03 m 39.3, CH2
2 1.85 m 28.6, CH2
3 3.47 dd, (11.3, 4.9) 78.6, CH
4 - 39.9, C
5 0.92 dd, (12.8, 5.7) 56.4, CH
6 1.61 m, 1.44 m 19.4, CH2
7 1.59 m, 1.41 m 34.1, CH2
8 - 40.4, C
9 1.90 m 48.8, CH
10 - 38.1, C
11 1.91 m, 2.06 m 24.6, CH2
12 5.64 m 124.3, CH
13 - 144.8, C
14 - 42.8, C
15 2.11 td, (3.9, 3.0), 1.32 m 29.6, CH2
16 2.96 td, (13, 5, 3.1), 2.52 m 31.7, CH2
17 - 46.6, C
18 3.82 br s 44.7, CH
19 3.87 dd, (6.6, 2.9) 84.8, CH
20 - 39.9, C
21 4.03 br s 75.8, CH
22 2.64 dd, (14.1, 4.9) 41.5, CH2
2.55 dd, (14.3, 3.5)
23 1.26 s 29.3, CH3
24 1.06 s 17.0, CH3
25 0.96 s 16.1, CH3
26 1.11 s 18.0, CH3
27 1.67 s 24.6, CH3
28 - 181.0, C
29 1.20 s 26.8, CH3
30 1.54 s 24.3, CH3
), ArticleFig(id=1220364249868718593, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364240301511629, language=CN, label=Table 1, caption=

The 1H (400 MHz) and 13C (100 MHz) NMR data for compound 1 in C5D5N

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No. δH, Mult. (J in Hz) δC, type
1 1.58 m, 1.03 m 39.3, CH2
2 1.85 m 28.6, CH2
3 3.47 dd, (11.3, 4.9) 78.6, CH
4 - 39.9, C
5 0.92 dd, (12.8, 5.7) 56.4, CH
6 1.61 m, 1.44 m 19.4, CH2
7 1.59 m, 1.41 m 34.1, CH2
8 - 40.4, C
9 1.90 m 48.8, CH
10 - 38.1, C
11 1.91 m, 2.06 m 24.6, CH2
12 5.64 m 124.3, CH
13 - 144.8, C
14 - 42.8, C
15 2.11 td, (3.9, 3.0), 1.32 m 29.6, CH2
16 2.96 td, (13, 5, 3.1), 2.52 m 31.7, CH2
17 - 46.6, C
18 3.82 br s 44.7, CH
19 3.87 dd, (6.6, 2.9) 84.8, CH
20 - 39.9, C
21 4.03 br s 75.8, CH
22 2.64 dd, (14.1, 4.9) 41.5, CH2
2.55 dd, (14.3, 3.5)
23 1.26 s 29.3, CH3
24 1.06 s 17.0, CH3
25 0.96 s 16.1, CH3
26 1.11 s 18.0, CH3
27 1.67 s 24.6, CH3
28 - 181.0, C
29 1.20 s 26.8, CH3
30 1.54 s 24.3, CH3
), ArticleFig(id=1220364249965187589, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364240301511629, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
Compounds AchE BuChE
Concentration
/μmol·L-1
Inhibition rate/% Concentration
/μmol·L-1
Inhibition rate/%
1 20 15.29 ± 5.61 20 88.25 ± 2.31
2 20 3.34 ± 5.53 20 36.79 ± 1.61
3 20 8.31 ± 5.61 20 72.35 ± 3.12
4 20 45.70 ± 3.22 20 37.07 ± 6.53
5 20 20.10 ± 5.42 20 77.56 ± 3.92
6 20 17.38 ± 7.05 20 37.50 ± 4.12
7 20 17.26 ± 1.13 20 28.70 ± 5.94
8 20 12.52 ± 5.44 20 33.02 ± 3.82
Iso-OMPA - - 4 90.00 ± 2.01
Huperzine A 0.8 29.96 ± 5.53 - -
), ArticleFig(id=1220364250078433803, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364240301511629, language=CN, label=Table 2, caption=

The inhibitory ratio of compounds to AchE and BuChE

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Compounds AchE BuChE
Concentration
/μmol·L-1
Inhibition rate/% Concentration
/μmol·L-1
Inhibition rate/%
1 20 15.29 ± 5.61 20 88.25 ± 2.31
2 20 3.34 ± 5.53 20 36.79 ± 1.61
3 20 8.31 ± 5.61 20 72.35 ± 3.12
4 20 45.70 ± 3.22 20 37.07 ± 6.53
5 20 20.10 ± 5.42 20 77.56 ± 3.92
6 20 17.38 ± 7.05 20 37.50 ± 4.12
7 20 17.26 ± 1.13 20 28.70 ± 5.94
8 20 12.52 ± 5.44 20 33.02 ± 3.82
Iso-OMPA - - 4 90.00 ± 2.01
Huperzine A 0.8 29.96 ± 5.53 - -
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维药格蓬脂中三萜类化学成分研究及其抗胆碱酯酶活性评价
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王书云 1, 2, 3 , 孙富周 3 , 孙义凡 4 , 黄健 2, 3 , 王金辉 2, 3, * , 杨宝峰 2
药学学报 | 研究论文 2020,55(2): 283-288
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药学学报 | 研究论文 2020, 55(2): 283-288
维药格蓬脂中三萜类化学成分研究及其抗胆碱酯酶活性评价
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王书云1, 2, 3, 孙富周3, 孙义凡4, 黄健2, 3, 王金辉2, 3, * , 杨宝峰2
作者信息
  • 1.河南大学药学院, 河南 开封 475004
  • 2.哈尔滨医科大学药化教研室, 省部共建生物医药工程重点实验室, 黑龙江 哈尔滨 150081
  • 3.沈阳药科大学中药学院, 辽宁 沈阳 110016
  • 4.深圳弘汇生物医药有限公司, 广东 深圳 518118

通讯作者:

*王金辉, Tel/Fax:86-451-86685745, E-mail:
Triterpenoids from Galbanum of uygur medicine and their anticholinesterase activities
Shu-yun WANG1, 2, 3, Fu-zhou SUN3, Yi-fan SUN4, Jian HUANG2, 3, Jin-hui WANG2, 3, * , Bao-feng YANG2
Affiliations
  • 1. School of Pharmacy, Henan University, Kaifeng 475004, China
  • 2. Department of Medicinal Chemistry and Natural Medicine Chemistry(State-Province Key Laboratories of Biomedicine-Pharmaceutics of China), Harbin Medical University, Harbin 150081, China
  • 3. School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
  • 4. Shenzhen Honghui Biopharmaceutical Co., Ltd., Shenzhen 518118, China
出版时间: 2020-02-12 doi: 10.16438/j.0513-4870.2019-0484
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采用反复硅胶柱色谱、开放ODS柱色谱、重结晶和半制备型HPLC等方法,从维药格蓬脂的甲醇超声提取物中共分离得到8个三萜类化合物。根据波谱数据及理化性质鉴定了化合物的结构,分别为:3β,19α,21α-三羟基-12-烯-28-油酸(1)、苏门树脂脑酸(2)、3β,19α-二羟基-12-烯-28-油酸(3)、齐墩果酸(4)、3β,6β,19α-三羟基-12-烯-28-油酸(5)、19α-羟基齐墩果酮酸(6)、6α-羟基齐墩果酮酸(7)和3α,6α-二羟基-11R,12R-环氧齐墩果烷-28,13α-内酯(8),其中化合物1为新化合物,化合物2~8首次从该科植物中分离得到。运用改进Ellman法对化合物1~8进行胆碱酯酶抑制活性筛选,化合物1表现出较强的丁酰胆碱酯酶抑制活性,进一步对其进行了分子对接研究,提示Trp82、His438、Phe329及Ala328四个氨基酸残基是化合物1与丁酰胆碱酯酶结合的关键位点。

格蓬脂  /  三萜  /  胆碱酯酶抑制活性  /  分子对接

Eight triterpenes were isolated from the methanol extract of Galbanum by various chromatographic methods including silica gel, ODS opening column, recrystallization and semi-preparative HPLC. Their structures were determined by spectroscopic methods and physicochemical properties as 3β, 19α, 21α-trihydroxyl-12-en-28-oic acid (1), sumaresinolic acid (2), 3β, 19α-dihydroxyl-12-en-28-oic acid (3), oleanolic acid (4), 3β, 6β, 19α-trihydroxyl-12-en-28-oic acid (5), 19α-hydroxy oleanonic acid (6), 6α-hydroxy oleanonic acid (7), and (11R, 12R)-3α, 6α-dihydroxy-epoxyolean-28α, 13α-olide (8). Among them, compound 1 is a new compound, while compounds 2-8 were newly isolated from the Apiaceae family. The ability of compounds 1-8 to inhibit cholinesterase was determined with an improved Ellman method. Compound 1 showed strong inhibitory activity against butyrylcholinesterase. The molecular docking results indicated that Trp82, His438, Phe329 and Ala328 played an important role in the binding of compound 1 to butyrylcholinesterase.

Galbanum  /  triterpenes  /  cholinesterase inhibition activities  /  molecular docking
王书云, 孙富周, 孙义凡, 黄健, 王金辉, 杨宝峰. 维药格蓬脂中三萜类化学成分研究及其抗胆碱酯酶活性评价. 药学学报, 2020 , 55 (2) : 283 -288 . DOI: 10.16438/j.0513-4870.2019-0484
Shu-yun WANG, Fu-zhou SUN, Yi-fan SUN, Jian HUANG, Jin-hui WANG, Bao-feng YANG. Triterpenoids from Galbanum of uygur medicine and their anticholinesterase activities[J]. Acta Pharmaceutica Sinica, 2020 , 55 (2) : 283 -288 . DOI: 10.16438/j.0513-4870.2019-0484
伞形科(Apiaceae)阿魏属(Ferula)植物全世界有150余种, 主要分布于中西亚地区, 我国有26种和1变种, 主要分布于新疆[1]。阿魏属植物广泛应用于药品、食品、化妆品等行业, 文献[2-5]报道阿魏属植物中化学成分主要有倍半萜类、香豆素类、倍半萜香豆素类、三萜类、木脂素类、挥发油类等。
格蓬脂为伞形科植物格蓬阿魏(Ferula galbaniflua Boissier et Bubse)的乳状胶脂, 维吾尔药名为加吾西尔, 产于伊朗、土耳其等地, 具有祛寒散风、利尿退肿、补胃除胀、止咳平喘、通经止痛等功效, 主治湿寒性或黏液质性疾病, 如瘫痪、癫痫、肠梗阻、尿闭水肿、胃虚腹胀、咳嗽哮喘、闭经痛经等[6]。目前国内外对其化学成分及药理活性的研究欠缺, 为揭示格蓬脂的药效物质基础, 丰富格蓬脂的化学成分研究, 本文对格蓬脂中的化学成分进行系统研究, 从中分离得到8个三萜类化合物(图 1), 其中化合物1为新化合物, 其他7个化合物为首次从该科中分离得到。运用改进Ellman法对化合物1~8进行胆碱酯酶抑制活性筛选, 化合物1表现出较强的胆碱酯酶抑制活性, 提示Trp82、His438、Phe329及Ala328等4个氨基酸残基是化合物1与丁酰胆碱酯酶结合的关键位点。
化合物1为白色羽状结晶(甲醇), 易溶于二氯甲烷、甲醇、乙腈等有机溶剂, 10%硫酸-香草醛显色剂显紫红色。HR-ESI-MS给出m/z 489.361 2 [M+H]+ (Calcd. 489.361 0, C30H49O5+), 计算化合物的分子式为: C30H48O5, 不饱和度为7。IR谱中, 3 409、1 709、1 630 cm-1吸收带显示其含有羟基、羧基和双键。
1H NMR (400 MHz, C5D5N)谱中(表 1)给出7个角甲基质子信号: δH 0.96 (3H, s), 1.06 (3H, s), 1.11 (3H, s), 1.20 (3H, s), 1.26 (3H, s), 1.54 (3H, s), 1.67 (3H, s); δH 3.47 (1H, dd, J = 11.3, 4.9 Hz), 3.87 (1H, dd, J = 6.6, 2.9 Hz), 4.03 (1H, br s)为3个连氧次甲基上的氢质子信号, δH 5.64 (1H, m)为1个双键上的氢质子信号。
13C NMR (100 MHz, C5D5N)给出30个碳信号, 其中包括: 1个羰基碳信号(δC 181.0), 2个环内双键碳信号(δC 124.3, 144.8), 3个连氧次甲基碳信号(δC 75.8, 78.6, 84.8)。根据HSQC谱, 将所有氢信号和相关的碳信号归属, 再次确认化合物中含有1个羧基、1个双键、3个连氧次甲基和7个甲基等结构片段, 推测该化合物为三位羟基取代的齐墩果烯型三萜酸类化合物[7]。化合物11H NMR和13C NMR数据与化合物3相似[8], 化合物1在C-21多一个羟基, 可由HMBC谱中H-21 (δH 4.03)与C-17 (δC 46.6)、C-19 (δC 84.8)、C-20 (δC 39.9)相关得以确证。
此外, HMBC谱(图 2)中, CH3-23 (δH 1.26)和CH3-24 (δH 1.06)与C-3 (δC 78.6)、C-4 (δC 39.9)、C-5 (δC 56.4)相关, CH3-29 (δH 1.20)和CH3-30 (δH 1.54)与C-19 (δC 84.8)、C-20 (δC 39.9)、C-21 (δC 75.8)相关, 提示CH3-23和CH3-24、CH3-29和CH3-30是连在同一碳上的偕甲基; H-3 (δH 3.47)与C-2 (δC 28.6)、C-4 (δC 39.9)、C-23 (δC 29.3)、C-24 (δC 17.0)相关, H-19 (δH 3.87)与C-17 (δC 46.6)、C-21 (δC 75.8)相关, 提示3, 19位存在羟基; H-12 (δH 5.64)分别与C-9 (δC 48.8)、C-11 (δC 24.6)、C-14 (δC 42.8)、C-18 (δC 44.7)相关, 推测三取代双键在12, 13位碳上; H2-16 (δH 2.52, 2.96)、H-18 (δH 3.82)、H2-22 (δH 2.55, 2.64)分别与C-28 (δC 181.0)相关, 由以上数据, 进一步确定化合物的平面结构。
化合物的相对构型通过NOESY谱(图 2)和1H NMR谱的峰型及耦合常数确定。在NOESY谱中, H-3/H-5, H-3/ CH3-23, H-5/H-9, H-9/CH3-27, CH3-27/H-16α, H-16α/H-22α, H-22α/CH3-29; CH3-24/CH3-25, CH3-25/CH3-26, CH3-26/H-18, H-18/H-19, H-19/CH3-30, CH3-30/H-21, 由3位氢的峰型及耦合常数可以推测H-3为α构型, 即OH-3为β构型[9], 从而确定H-5、H-9、CH3-27、CH3-29为α构型, H-18、H-19、H-21、CH3-24、CH3-25、CH3-26、CH3-30为β构型, 即OH-19、OH-21均为α构型, 最终确定该化合物为3β, 19α, 21α-三羟基-12-烯-28-油酸(3β, 19α, 21α-trihydroxyl-12-en-28-oic acid)。经Scifinder检索, 为一未见报道的新化合物。
采用改进的Ellman法对化合物1~8进行了乙酰胆碱酯酶及丁酰胆碱酯酶活性测试, 石杉碱甲及Iso-OMPA作为阳性对照。结果显示, 化合物1~8对乙酰胆碱酯酶抑制活性较弱, 对丁酰胆碱酯酶抑制活性较强。其中化合物135表现较强的丁酰胆碱酯酶抑制活性。结构上这3个化合物3位和19位均为羟基, 对比化合物2, 推测19位羟基取代有利于活性提高。化合物1中, 21位也被羟基取代, 其20 μmol·L-1时抑制率达到88%, 说明E环羟基的取代对丁酰胆碱酯酶抑制活性起着重要的作用。
为了考察化合物1与胆碱酯酶的潜在作用模式, 对其进行分子对接研究。结果显示化合物1不能够结合到乙酰胆碱酯酶活性位点(PDB code 4EY5), 而与丁酰胆碱酯酶(PDB code 4TPK)结合较好, 其结果如图 3所示。化合物1深嵌入丁酰胆碱酯酶活性位点, 21位羟基与氨基酸残基Asn289的侧链形成一个保守的氢键, A环进入有Trp82、Phe329形成的疏水口袋。23, 24位两个甲基与Trp82、His438、Phe329及Ala328形成疏水作用。
Bruker AVANCE Ⅲ HD-400核磁共振谱仪和Bruker IFS-55光谱仪(德国Bruker公司), Perkin-Elmer 241 MC旋光仪(美国Perkin-Elmer公司), 日立液相色谱仪(日本日立株式会社), Waters LCT Premier XE TOF-MS (美国Waters公司)。薄层色谱硅胶GF254和柱色谱硅胶(200~300目, 青岛海洋化工有限公司生产), ODS (30~80 μm, 天津市化学试剂厂色谱技术开发公司生产), 所有试剂若无特别说明, 级别为分析纯或色谱纯(山东禹王实业有限公司生产)。
格蓬脂购于新疆乌鲁木齐市药材市场, 经石河子大学药学院朱芸副教授鉴定为伞形科(Apiaceae)植物格蓬阿魏(Ferula galbaniflua Boissier et Bubse)的乳状胶脂, 标本(SN0208)保存于沈阳药科大学中药学院天然药化实验室。
格蓬脂(200 g)经粉碎后, 以甲醇2 L超声提取3次, 每次1 h, 减压浓缩至干, 得到浸膏168 g。取浸膏150 g进行硅胶柱色谱分离, 以石油醚-丙酮系统(100:0~0:100)进行梯度洗脱, 得到10个流份(Fr.1~Fr.10)。流份Fr.3 (12.5 g)经硅胶柱色谱分离, 以石油醚-丙酮系统(100:0, 100:3, 100:5, 100:8, 100:10, 100:20, 100:50)梯度洗脱, 得到7个亚流份(Fr.3.1~Fr.3.7)。Fr.3.4 (3.7 g)经开放ODS柱色谱, 以甲醇-水(10%~100%)梯度洗脱, 得到Fr.3.4.1~Fr.3.4.10, 亚流份Fr.3.4.6 (276 mg)经重结晶得到化合物8 (52.4 mg), Fr.3.4.8 (1.5 g)再经硅胶柱, 石油醚-乙酸乙酯-丙酮系统(100:4:4, 100:5:5, 100:6:6, 100:7:7, 100:20:20)梯度洗脱, 得到5个亚流份(Fr.3.4.8.1~Fr.3.4.8.5), Fr.3.4.8.3 (573 mg)经重结晶得到化合物7 (104.3 mg)。流份Fr.5 (4.9 g)经开放ODS柱色谱, 以甲醇-水(10%~100%)梯度洗脱, 得到Fr.5.1~Fr.5.10, Fr.5.7 (159 mg)经重结晶得到化合物2 (25.7 mg)。Fr.5.8 (1.2 g)再经硅胶柱, 石油醚-乙酸乙酯-丙酮系统(100:4:4, 100:5:5, 100:6:6, 100:7:7, 100:20:20)梯度洗脱, 得到5个亚流份(Fr.5.8.1~Fr.5.8.5), Fr.5.8.3 (101 mg)经重结晶得到化合物6 (23.2 mg)。流份Fr.6 (5.2 g)经开放ODS柱色谱, 以甲醇-水(10%~100%)梯度洗脱, 得到Fr.6.1~Fr.6.10, Fr.6.6 (96 mg)经重结晶得到化合物3 (13.3 mg)。Fr.6.8 (242 mg) RP-HPLC分离, 以乙腈-水(85:15)为流动相(2.0 mL·min-1, 210 nm), 制备得到化合物1 (tR=47.3 min, 50.6 mg)。流份Fr.7 (4.7 g)经开放ODS柱色谱, 以甲醇-水(10%~100%)梯度洗脱, 得到Fr.7.1~Fr.7.10, Fr.7.6 (1.3 g)再经硅胶柱, 石油醚-乙酸乙酯-丙酮系统(100:10:10, 100:12:12, 100:14:14, 100:25:25)梯度洗脱, 得到4个亚流份(Fr.7.6.1~Fr.7.6.4), Fr.7.6.3 (126 mg)经重结晶得到化合物4 (31.1 mg)。Fr.7.7 (242 mg)经RP-HPLC分离, 以乙腈-水(85:15)为流动相(2.0 mL·min-1, 210 nm), 制备得到化合物5 (tR=82.3 min, 48.5 mg)。
化合物1  白色羽状结晶(甲醇), [α] -47.6 (c 0.92, CHCl3); IR (KBr) vmax (cm-1): 3 409, 2 938, 2 873, 1 709, 1 630, 1 453, 1 385, 1 288, 1 050, 914, 626; 1H NMR (400 MHz, C5D5N), 13C NMR (100 MHz, C5D5N)见表 1, HR-ESI-MS给出m/z 489.361 2 [M+H]+ (Calcd. 489.361 0, C30H49O5+)。
化合物2  白色固体粉末, HR-ESI-MS m/z 471.347 6 [M-H]- (Calcd. for 471.347 4, C30H47O4-)。1H NMR (400 MHz, C5D5N): δH 0.90 (3H, s, CH3-29), 0.92 (3H, s, CH3-30), 1.07 (6H, s, CH3-23, CH3-26), 1.11 (3H, s, CH3-27), 1.18 (3H, s, CH3-24), 1.30 (3H, s, CH3-25), 3.16 (1H, dd, J = 10.3, 5.8 Hz, H-3), 4.54 (1H, br s, H-6), 5.31 (1H, t, J = 3.4 Hz, H-12); 13C NMR (100 MHz, C5D5N): δC 40.5 (C-1), 27.5 (C-2), 79.3 (C-3), 39.7 (C-4), 55.9 (C-5), 68.8 (C-6), 40.7 (C-7), 36.7 (C-8), 38.6 (C-9), 48.1 (C-10), 23.5 (C-11), 122.9 (C-12), 143.0 (C-13), 42.5 (C-14), 27.8 (C-15), 23.2 (C-16), 46.7 (C-17), 41.1 (C-18), 46.1 (C-19), 30.8 (C-20), 34.1 (C-21), 32.5 (C-22), 28.1 (C-23), 17.2 (C-24), 17.1 (C-25), 26.1 (C-26), 18.4 (C-27), 183.6 (C-28), 33.2 (C-29), 23.7 (C-30)。以上数据与文献对比[10], 确定化合物2为苏门树脂脑酸。
化合物3  白色片状结晶, HR-ESI-MS m/z 471.347 6 [M-H]- (Calcd. for 471.347 4, C30H47O4-)。1H NMR (400 MHz, C5D5N): δH 0.94 (3H, s, CH3-25), 1.04 (3H, s, CH3-24), 1.08 (3H, s, CH3-26), 1.13 (3H, s, CH3-30), 1.20 (3H, s, CH3-29), 1.25 (3H, s, CH3-23), 1.65 (3H, s, CH3-27), 3.44 (1H, dd, J = 10.8, 5.2 Hz, H-3), 5.58 (1H, t, J = 4.0 Hz, H-12); 13C NMR (100 MHz, C5D5N): δC 38.9 (C-1), 28.6 (C-2), 78.3 (C-3), 39.5 (C-4), 56.1 (C-5), 19.1 (C-6), 33.8 (C-7), 40.1 (C-8), 48.5 (C-9), 37.7 (C-10), 24.3 (C-11), 123.5 (C-12), 145.0 (C-13), 42.3 (C-14), 30.0 (C-15), 28.2 (C-16), 46.1 (C-17), 44.9 (C-18), 81.4 (C-19), 35.9 (C-20), 29.0 (C-21), 33.5 (C-22), 29.3 (C-23), 16.6 (C-24), 15.6 (C-25), 17.6 (C-26), 25.0 (C-27), 180.9 (C-28), 29.0 (C-29), 25.0 (C-30)。以上数据与文献对比[8], 确定化合物3为3β, 19α-二羟基-12-烯-28-油酸。
化合物4  白色羽状结晶, HR-ESI-MS m/z 455.353 9 [M-H]- (Calcd. for 455.352 5, C30H47O3-)。1H NMR (400 MHz, C5D5N): δH 0.92 (3H, s, CH3-29), 0.97 (3H, s, CH3-30), 1.03 (3H, s, CH3-23), 1.05 (3H, s, CH3-24), 1.07 (3H, s, CH3-25), 1.27 (3H, s, CH3-26), 1.31 (3H, s, CH3-27), 3.43 (1H, dd, J = 10.7, 5.2 Hz, H-3), 5.53 (1H, br s, H-12); 13C NMR (100 MHz, C5D5N): δC 39.9 (C-1), 28.6 (C-2), 78.6 (C-3), 40.3 (C-4), 56.3 (C-5), 19.3 (C-6), 34.7 (C-7), 42.5 (C-8), 50.2 (C-9), 39.4 (C-10), 24.2 (C-11), 123.1 (C-12), 145.3 (C-13), 42.7 (C-14), 28.8 (C-15), 24.3 (C-16), 47.2 (C-17), 46.9 (C-18), 48.6 (C-19), 31.5 (C-20), 37.9 (C-21), 33.7 (C-22), 29.2 (C-23), 17.0 (C-24), 16.0 (C-25), 17.9 (C-26), 26.7 (C-27), 180.9 (C-28), 33.7 (C-29), 24.3 (C-30)。以上数据与文献对比[11], 确定化合物4为齐墩果酸。
化合物5  白色羽状结晶, HR-ESI-MS给出m/z 489.361 2 [M+H]+ (Calcd. 489.361 0, C30H49O5+)。1H NMR (400 MHz, C5D5N): δH 1.15 (3H, s, CH3-30), 1.21 (3H, s, CH3-29), 1.45 (3H, s, CH3-23), 1.65 (3H, s, CH3-27), 1.67 (3H, s, CH3-26), 1.70 (3H, s, CH3-24), 1.74 (3H, s, CH3-25), 3.49 (1H, dd, J = 11.6, 4.1 Hz, H-3), 3.68 (1H, br s, H-19), 4.87 (1H, br s, H-6), 5.68 (1H, br s, H-12); 13C NMR (100 MHz, C5D5N): δC 39.9 (C-1), 28.9 (C-2), 79.2 (C-3), 41.0 (C-4), 57.3 (C-5), 68.4 (C-6), 42.0 (C-7), 41.5 (C-8), 49.5 (C-9), 37.8 (C-10), 24.7 (C-11), 124.3 (C-12), 144.3 (C-13), 43.1 (C-14), 29.8 (C-15), 28.8 (C-16), 46.6 (C-17), 45.3 (C-18), 81.8 (C-19), 36.8 (C-20), 29.4 (C-21), 34.2 (C-22), 29.6 (C-23), 17.5 (C-24), 18.5 (C-25), 25.4 (C-26), 18.8 (C-27), 181.4 (C-28), 29.1 (C-29), 25.4 (C-30)。以上数据与文献对比[12], 确定化合物5为3β, 6β, 19α-三羟基-12-烯-28-油酸。
化合物6  白色针状结晶, HR-ESI-MS m/z 469.331 3 [M-H]- (Calcd. for 469.331 8, C30H46O4-)。1H NMR (400 MHz, CDCl3): δH 0.77 (3H, s, CH3-26), 0.97 (3H, s, CH3-29), 0.98 (3H, s, CH3-30), 1.04 (3H, s, CH3-24), 1.05 (3H, s, CH3-25), 1.08 (3H, s, CH3-23), 1.26 (3H, s, CH3-27), 3.34 (1H, d, J = 3.7 Hz, H-19), 5.44 (1H, t, J = 3.8 Hz, H-12); 13C NMR (100 MHz, CDCl3): δC 38.8 (C-1), 34.1 (C-2), 217.5 (C-3), 47.5 (C-4), 55.4 (C-5), 19.6 (C-6), 32.0 (C-7), 39.6 (C-8), 47.1 (C-9), 37.0 (C-10), 23.7 (C-11), 124.8 (C-12), 142.7 (C-13), 41.3 (C-14), 28.0 (C-15), 27.4 (C-16), 45.3 (C-17), 43.4 (C-18), 81.5 (C-19), 34.6 (C-20), 28.0 (C-21), 32.4 (C-22), 26.2 (C-23), 21.5 (C-24), 14.7 (C-25), 17.1 (C-26), 24.4 (C-27), 184.7 (C-28), 28.0 (C-29), 24.9 (C-30)。以上数据与文献对比[13], 确定化合物6为19α-羟基齐墩果酮酸。
化合物7  白色针状结晶, HR-ESI-MS m/z 469.331 3 [M-H]- (Calcd. for 469.331 8, C30H46O4-)。1H NMR (400 MHz, C5D5N): δH 0.98 (3H, s, CH3-29), 1.03 (3H, s, CH3-30), 1.28 (3H, s, CH3-27), 1.37 (3H, s, CH3-23), 1.62 (3H, s, CH3-24), 1.68 (6H, s, CH3-25, CH3-26), 4.68 (1H, br s, H-6), 5.59 (1H, t, J = 3.4 Hz, H-12); 13C NMR (100 MHz, C5D5N): δC 41.5 (C-1), 33.7 (C-2), 216.1 (C-3), 47.2 (C-4), 57.4 (C-5), 68.6 (C-6), 42.3 (C-7), 39.7 (C-8), 48.4 (C-9), 37.4 (C-10), 24.2 (C-11), 123.1 (C-12), 144.8 (C-13), 43.3 (C-14), 26.7 (C-15), 24.4 (C-16), 49.8 (C-17), 42.6 (C-18), 46.9 (C-19), 31.5 (C-20), 35.2 (C-21), 34.7 (C-22), 28.8 (C-23), 24.6 (C-24), 16.8 (C-25), 19.2 (C-26), 26.3 (C-27), 180.6 (C-28), 33.8 (C-29), 24.3 (C-30)。以上数据与文献对比[14], 确定化合物7为6α-羟基齐墩果酮酸。
化合物8  白色羽状结晶, HR-ESI-MS m/z 487.349 5 [M+H]+ (Calcd. for 487.348 2, C30H47O5+)。1H NMR (400 MHz, C5D5N): δH 0.79 (3H, s, CH3-30), 0.88 (3H, s, CH3-29), 1.22 (3H, s, CH3-27), 1.41 (3H, s, CH3-23), 1.64 (3H, s, CH3-25), 1.72 (3H, s, CH3-24), 1.83 (3H, s, CH3-26), 3.31 (1H, m, H-11), 3.33 (1H, m, H-12), 3.46 (1H, dd, J = 12.0, 3.9 Hz, H-3), 4.81 (1H, br s, H-6); 13C NMR (100 MHz, C5D5N): δC 40.2 (C-1), 28.4 (C-2), 79.0 (C-3), 41.0 (C-4), 56.5 (C-5), 67.9 (C-6), 41.2 (C-7), 41.6 (C-8), 52.5 (C-9), 37.0 (C-10), 53.6 (C-11), 57.9 (C-12), 88.2 (C-13), 41.8 (C-14), 27.5 (C-15), 22.1 (C-16), 44.6 (C-17), 50.4 (C-18), 38.6 (C-19), 32.0 (C-20), 34.9 (C-21), 28.1 (C-22), 28.4 (C-23), 18.1 (C-24), 19.5 (C-25), 21.8 (C-26), 19.6 (C-27), 179.4 (C-28), 33.5 (C-29), 23.9 (C-30)。以上数据与文献对比[15], 确定化合物8为3α, 6α-二羟基-11R, 12R-环氧齐墩果烷-28, 13α-内酯。
将准确质量的待测化合物溶于一定量二甲基亚砜(DMSO)配置成20 mmol·L-1的母液, 取4 μL母液加入500 μL PBS配成400 μmol·L-1的溶液。
丁酰胆碱酯酶抑制活性测定方法:在96孔板上测定样品的BuChE抑制活性。具体操作如下:在96孔酶标板中依次加入PBS (100 mmol·L-1, pH 8.0) 25 μL, BuChE (≥0.04 U·mL-1, pH 8.0 PBS溶解稀释) 25 μL, 样品溶液(400 μmol·mL-1) 25 μL。冰浴5 min后, 依次加入BuSCH (1.6 mmol·L-1, pH 8.0 PBS溶解稀释) 25 μL及DTNB (4.0 mmol·L-1, pH 8.0 PBS溶解稀释) 25 μL, 37 ℃孵育60 min后, 用酶标仪在412 nm下测定其吸光度值。
其中, 标准组用25 μL PBS (pH 8.0)代替25 μL样品溶液; 空白组用25 μL PBS (pH 8.0)代替25 μL样品溶液及25 μL PBS (pH 8.0)代替25 μL BuChE液; 完全抑制组用25 μL Iso-OMPA (16.0 μmol·L-1)代替25 μL样品溶液。
乙酰胆碱酯酶抑制活性测定方法:在96孔酶标板上测定样品的AChE抑制活性。具体操作如下:在96孔酶标板中依次加入PBS (100 mmol·L-1, pH 8.0) 35 μL, AChE (0.132 U·mL-1, pH 8.0 PBS溶解稀释) 25 μL, 样品溶液(400 μmol·L-1) 25 μL, ATCI (4 mmol·L-1, pH 7.0 PBS溶解稀释) 15 μL及DTNB (6 mmol·L-1, pH 8.0 PBS溶解稀释) 15 μL。37 ℃孵育60 min后, 用酶标仪在412 nm下测定其吸光度值。
其中, 标准组用25 μL PBS (pH 8.0)代替25 μL样品溶液; 空白组用50 μL PBS (pH 8.0)代替25 μL样品溶液及25 μL AChE液; 完全抑制组用20 μL石杉碱甲液(0.8 μmol·L-1)代替25 μL样品溶液, 不足100 μL用PBS (pH 8.0)补齐。
酶抑制率的计算方法如下公式:
$抑制率 = \frac{{\left( {标准组 - 空白组} \right) - \left( {样品组 - 样品空白组} \right)}}{{\left( {标准组 - 空白组} \right)}} \times 100\% $
本文中分子对接采用Discovery Studio 3.5软件进行[16]。蛋白文件的准备包括添加氢原子, 删除水分子和施加Charmm力场。打分软件采用的是Goldscore, 其他参数采用的是系统默认值。丁酰胆碱酯酶结构从PDB数据库下载[17], 每次对接试验中保留10个最佳的分子构象作为候选, 并且计算RMSD值作为参考标准。
  • 国家“重大新药创制”科技重大专项(2018ZX09305005)
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2020年第55卷第2期
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doi: 10.16438/j.0513-4870.2019-0484
  • 接收时间:2019-06-18
  • 首发时间:2026-01-20
  • 出版时间:2020-02-12
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  • 收稿日期:2019-06-18
  • 修回日期:2019-11-11
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国家“重大新药创制”科技重大专项(2018ZX09305005)
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    1.河南大学药学院, 河南 开封 475004
    2.哈尔滨医科大学药化教研室, 省部共建生物医药工程重点实验室, 黑龙江 哈尔滨 150081
    3.沈阳药科大学中药学院, 辽宁 沈阳 110016
    4.深圳弘汇生物医药有限公司, 广东 深圳 518118

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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
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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