Article(id=1193558473469293021, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1193558470239678932, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2024-0662, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1720886400000, receivedDateStr=2024-07-14, revisedDate=1730736000000, revisedDateStr=2024-11-05, acceptedDate=null, acceptedDateStr=null, onlineDate=1762496115319, onlineDateStr=2025-11-07, pubDate=1736611200000, pubDateStr=2025-01-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1762496115319, onlineIssueDateStr=2025-11-07, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1762496115319, creator=13701087609, updateTime=1762496115319, updator=13701087609, issue=Issue{id=1193558470239678932, tenantId=1146029695717560320, journalId=1189982191388893191, year='2025', volume='60', issue='1', pageStart='1', pageEnd='244', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1762496114549, creator=13701087609, updateTime=1764224942173, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200809698921402865, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1193558470239678932, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200809698921402866, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1193558470239678932, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=105, endPage=116, ext={EN=ArticleExt(id=1193558473993581025, articleId=1193558473469293021, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Network pharmacology-based mechanism of combined leech and bear bile on hepatobiliary diseases, columnId=1190335348761793317, journalTitle=Acta Pharmaceutica Sinica, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=

In order to explore the possible role and molecular mechanism of the combined action of leech and bear bile in liver and gallbladder diseases, this study first used network pharmacology methods to screen the components and targets of leech and bear bile, as well as the related target genes of liver and gallbladder diseases. The selected key genes were subjected to interaction network and GO/KEGG enrichment analysis. Then, using sodium oleate induced HepG2 cell lipid deposition model and DL-ethionine induced mouse fatty liver model, the activity of leech and bear bile alone and in combination in reducing liver fat was evaluated in vitro and in vivo, and the expression of key pathway related proteins suggested by network pharmacology was detected by Western blot. The results of network pharmacology analysis showed that the active ingredients of leech and bear bile have 295 intersecting targets with liver and gallbladder related diseases, involving more than 200 signaling pathways, including the PI3K/Akt signaling pathway and phospholipase D signaling pathway closely related to glucose and lipid metabolism. The results of in vitro validation experiments showed that both leech and bear bile, alone and in combination, can significantly inhibit the lipid deposition induced by sodium oleate in human liver cells, reduce the triacylglycerol level in cell culture supernatant, and inhibit the lipid content in liver cells. The observation results of Nile red staining confocal microscopy showed that the combination of leech and bear bile had better activity in reducing lipid deposition in liver cells compared to using them alone. In a mouse fatty liver model, the combination of leech and bear bile can better reduce elevated organ indices, blood lipids, and liver lipid levels, as well as lower the levels of serum liver injury biomarkers. The animals used in this experiment and related disposal meet the requirements of animal welfare. Before the experiment, it was reviewed and approved by IACUC, Institute of Materia Medica, Chinese Academy of Medical Sciences. The Western blot experiment results showed that the combination of leech and bear bile can significantly upregulate the expression levels of p-PI3K and p-Akt proteins, and increase the p-PI3K/PI3K and p-Akt/Akt ratios, which is consistent with the predicted results of network pharmacology. The combination of leech and bear bile has great potential for treating fatty liver disease, and activating the PI3K/Akt pathway may be one of the important mechanisms for reducing lipid deposition in liver cells.

, correspAuthors=Tao MA, Hua SUN, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2025 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=Chen GAO, Yu-shi GUO, Xin-yi GUO, Ling-zhi ZHANG, Guo-hua YANG, Yu-sheng YANG, Tao MA, Hua SUN), CN=ArticleExt(id=1193558738280870102, articleId=1193558473469293021, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=基于网络药理学对水蛭与熊胆联用与肝胆相关疾病作用关系的研究, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

为了探究水蛭与熊胆联合作用于肝胆疾病的可能作用和分子机制, 本研究首先利用网络药理学方法筛选水蛭和熊胆成分及其靶点和肝胆疾病的相关靶基因, 将筛选出的关键基因进行交互作用网络和GO、KEGG富集分析, 然后利用油酸钠诱导的HepG2细胞脂质沉积模型和DL-乙硫氨酸诱导的小鼠脂肪肝模型, 在体内外对水蛭熊胆单独处理及联合作用降低肝脂的活性进行评价, 并采用Western blot法检测网络药理学提示的关键通路相关蛋白的表达。网络药理学分析结果显示, 水蛭、熊胆有效成分与肝胆相关疾病有295个交集靶点, 涉及200多条信号通路, 其中包括与糖脂代谢密切相关的PI3K/Akt信号通路、磷脂酶D信号通路等。体外验证实验结果显示, 水蛭与熊胆单独及联合应用均可显著抑制油酸钠诱导的人肝细胞内脂质沉积, 能够降低细胞培养上清TG水平, 抑制肝细胞内脂质含量, Nile red染色共聚焦显微镜观察结果表明, 水蛭与熊胆联合应用降低肝细胞内脂质沉积的活性相对单独用药更佳。在体内小鼠脂肪肝模型中, 水蛭与熊胆联合应用能够更好地降低升高的脏器指数、血脂和肝脂水平, 降低血清肝损伤生物标志物含量。本实验所用动物及相关处置符合动物福利的要求, 实验开展前经过中国医学科学院药物研究所实验动物管理和使用委员会(IACUC) 的审查批准。Western blot实验结果显示, 水蛭与熊胆联合应用能够显著上调p-PI3K、p-Akt蛋白的表达水平, 增加p-PI3K/PI3K、p-Akt/Akt比值, 与网络药理学预测结果一致。水蛭熊胆联合应用有治疗脂肪性肝病的良好潜能, 激活PI3K/Akt通路可能是其降低肝细胞脂质沉积的重要机制之一。

, correspAuthors=马涛, 孙华, authorNote=null, correspAuthorsNote=
*马涛, Tel: 86-10-53912129, E-mail:
孙华, Tel: 86-10-50927122, E-mail:
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A: Composition-target-disease network diagram of combined action of leech and bear bile on hepatobiliary related diseases. The green square represents the common target of leech, bear bile and hepatobiliary disease, the yellow circle represents the active component of bear bile, and the red circle represents the active component of leech; B: Protein interaction networks of leech and bear bile with targets at the intersection of hepatobiliary-related diseases. The redder the color in the figure, the larger the circle, the more centrally located it is, and the greater the role of protein , figureFileSmall=O6qxsTPEGk0WqSZtZgwKCA==, figureFileBig=5tXDL11a1voIieEl+NYpjg==, tableContent=null), ArticleFig(id=1194708287993123029, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1193558473469293021, language=EN, label=null, caption=null, figureFileSmall=alJrI45MrhzX1ghQ3n8LQQ==, figureFileBig=5ZisvHrr4+f9dy3UoigLOw==, tableContent=null), ArticleFig(id=1194708288047648983, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1193558473469293021, language=CN, label=Figure 2, caption= Enrichment analysis of GO and KEGG. A: GO enrichment analysis; B: Visualization of path enrichment results (TOP20) , figureFileSmall=alJrI45MrhzX1ghQ3n8LQQ==, figureFileBig=5ZisvHrr4+f9dy3UoigLOw==, tableContent=null), ArticleFig(id=1194708288148312281, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1193558473469293021, language=EN, label=null, caption=null, figureFileSmall=hTUYBz5CemFw/ZpCLS8j2A==, figureFileBig=ukSZ84sRrNzKpoqo9zdjUw==, tableContent=null), ArticleFig(id=1194708288215421146, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1193558473469293021, language=CN, label=Figure 3, caption= The effects of XD, SZ, and their combination on lipid deposition in human hepatocytes. A, B: The effect of different concentrations of sodium oleate (OL) on the viability (A) and lipid deposition (B) HepG2 cells; C: The effects of XD, SZ, and their combination on the viability of HepG2 cells; D: The effect of XD combined with SZ on the triacylglycerol (TG) content of HepG2 cells induced by sodium oleate; E: The effect of XD, SZ, and their combination on OL induced lipid deposition in HepG2 cells; F: Confocal microscopy images of lipids in HepG2 cells from different groups. Using Nile red dye to stain lipids in cells, lipids exhibit red fluorescence; staining the nucleus with DAPI dye resulted in blue fluorescence. Scale bar: 20 μm. Images were presented at a 50× higher magnification. <i>n</i> = 3, mean ± SEM. <sup>*</sup><i>P</i> < 0.05, <sup>**</sup><i>P</i> < 0.01, <sup>***</sup><i>P</i> < 0.001 <i>vs</i> normal control group; <sup>###</sup><i>P</i> < 0.001 <i>vs</i> model group , figureFileSmall=hTUYBz5CemFw/ZpCLS8j2A==, figureFileBig=ukSZ84sRrNzKpoqo9zdjUw==, tableContent=null), ArticleFig(id=1194708288282530011, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1193558473469293021, language=EN, label=null, caption=null, figureFileSmall=pKxdtIbWB0+Fu4iGv4a28Q==, figureFileBig=AIha/nAw2HdU5+aZljuoQw==, tableContent=null), ArticleFig(id=1194708288366416092, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1193558473469293021, language=CN, label=Figure 4, caption= Effect of SZ, XD and their combination on organ index, serum liver injury markers, serum lipid and liver lipid levels in <i>DL</i>-ethionine induced fatty liver mice. A: Liver index; B: Spleen index; C: Alanine aminotransferase (ALT) level in serum; D: Aspartate aminotransferase (AST) level in serum; E: TG content in serum; F: TG content in liver; G: Representative picture of the liver. <i>n</i> = 10, mean ± SEM. <sup>*</sup><i>P</i> < 0.05, <sup>**</sup><i>P</i> < 0.01, <sup>***</sup><i>P</i> < 0.001 <i>vs</i> normal control group; <sup>#</sup><i>P</i> < 0.05, <sup>##</sup><i>P</i> < 0.01, <sup>###</sup><i>P</i> < 0.001 <i>vs</i> model group , figureFileSmall=pKxdtIbWB0+Fu4iGv4a28Q==, figureFileBig=AIha/nAw2HdU5+aZljuoQw==, tableContent=null), ArticleFig(id=1194708288429330653, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1193558473469293021, language=EN, label=null, caption=null, figureFileSmall=foGrAvp0JtBAN1K1QvNtzQ==, figureFileBig=kVbKbmcWJ8//q5VvIdbjPw==, tableContent=null), ArticleFig(id=1194708288517411038, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1193558473469293021, language=CN, label=Figure 5, caption= Effect of SZ combined with XD on protein expression in HepG2 cells. A: Representative Western blot brands and density analysis of p-PI3K and PI3K; B: Representative Western blot brands and density analysis of p-Akt and Akt. <i>n</i> = 3, mean ± SEM. <sup>*</sup><i>P</i> < 0.05 <i>vs</i> normal control group; <sup>#</sup><i>P</i> < 0.05 <i>vs</i> model group , figureFileSmall=foGrAvp0JtBAN1K1QvNtzQ==, figureFileBig=kVbKbmcWJ8//q5VvIdbjPw==, tableContent=null), ArticleFig(id=1194708288601297121, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1193558473469293021, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
Item Name of disease
1 Abnormality of the liver
2 Acute liver failure
3 Chemical and drug induced liver injury
4 Cholestatic liver disease
5 Copper accumulation in liver
6 Cystric liver disease
7 Decreased carnitine level in liver
8 Decreased liver function
9 Decreased mitochondrial complex Ⅲ activity in liver tissue
10 Depletion of mitochondrial DNA in liver
11 Fatal liver failure in infancy
12 Fatty liver
13 Non-alcoholic fatty liver disease
14 Inflammatory response in alcoholic liver disease
15 Ischemic injury of the liver
16 Liver abscess
17 Liver cirrhosis
18 Liver diseases
19 Liver failure
20 Liver fibrogenesis
21 Liver injury
22 Liver related disease
23 Abnormality of the gallbladder
24 Cystic fibrosis gallbladder
25 Gallbladder dysfunction
26 Chronic cholecystitis
27 Cholelithiasis
28 Cholestatic hepatitis
), ArticleFig(id=1194708288660017378, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1193558473469293021, language=CN, label=Table 1, caption=

Hepatobiliary related diseases

, figureFileSmall=null, figureFileBig=null, tableContent=
Item Name of disease
1 Abnormality of the liver
2 Acute liver failure
3 Chemical and drug induced liver injury
4 Cholestatic liver disease
5 Copper accumulation in liver
6 Cystric liver disease
7 Decreased carnitine level in liver
8 Decreased liver function
9 Decreased mitochondrial complex Ⅲ activity in liver tissue
10 Depletion of mitochondrial DNA in liver
11 Fatal liver failure in infancy
12 Fatty liver
13 Non-alcoholic fatty liver disease
14 Inflammatory response in alcoholic liver disease
15 Ischemic injury of the liver
16 Liver abscess
17 Liver cirrhosis
18 Liver diseases
19 Liver failure
20 Liver fibrogenesis
21 Liver injury
22 Liver related disease
23 Abnormality of the gallbladder
24 Cystic fibrosis gallbladder
25 Gallbladder dysfunction
26 Chronic cholecystitis
27 Cholelithiasis
28 Cholestatic hepatitis
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Item Component name PubChem ID Mol. wt.
SZ1 Putrescine 1045 88.15
SZ2 Glycerol 753 92.09
SZ3 2-Piperidone 12665 99.13
SZ4 Hexanal 6184 100.16
SZ5 Histamine 774 111.15
SZ6 Uracil 1174 112.09
SZ7 Proline 145742 115.13
SZ8 Valine 6287 117.15
SZ9 Succinic acid 1110 118.09
SZ10 Nicotinic acid 938 123.11
SZ11 L-Isoleucine 6306 131.17
SZ12 Adenine 190 135.13
SZ13 Hypoxanthine 135398638 136.11
SZ14 Spermidine 1102 145.25
SZ15 Acetylcholine 187 146.21
SZ16 Glutamic acid 33032 147.13
SZ17 Xanthine 1188 152.11
SZ18 Camphor 2537 152.23
SZ19 Dopamine 681 153.18
SZ20 Menthol 1254 156.26
SZ21 Tryptamine 1150 160.22
SZ22 Phenylalanine 6140 165.19
SZ23 Methyl(2E, 8Z-decadien-4, 6-diynoate 6443002 174.2
SZ24 Citrulline 9750 175.19
SZ25 Serotonin 5202 176.21
SZ26 Tyrosine 6057 181.19
SZ27 Spermine 1103 202.34
SZ28 Genipinic acid 12310086 242.22
SZ29 Lipase 1369 299.3
SZ30 Capsaicin 1548943 305.4
SZ31 Hirudinoidine A 101844805 310.4
SZ32 Crocetin 5281232 328.4
SZ33 Ecdysone 19212 464.6
SZ34 Leucine 6106 131.17
SZ35 Indole-3-carboxaldehyde 10256 145.16
SZ36 Lysine 5962 146.19
SZ37 Methionine 6137 149.21
SZ38 Histidine 6274 155.15
SZ39 Tryptophan 6305 204.22
SZ40 Diacetazotol 6751 309.4
SZ41 1, 3-Dimethyl-6-methylsulfinylthieno[3, 2-g]pteridine-2, 4-dione 101844805 310.4
SZ42 CPA inhibitor 44374998 313.3
SZ43 ELI 9549220 320.4
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The active ingredients of leech (SZ)

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Item Component name PubChem ID Mol. wt.
SZ1 Putrescine 1045 88.15
SZ2 Glycerol 753 92.09
SZ3 2-Piperidone 12665 99.13
SZ4 Hexanal 6184 100.16
SZ5 Histamine 774 111.15
SZ6 Uracil 1174 112.09
SZ7 Proline 145742 115.13
SZ8 Valine 6287 117.15
SZ9 Succinic acid 1110 118.09
SZ10 Nicotinic acid 938 123.11
SZ11 L-Isoleucine 6306 131.17
SZ12 Adenine 190 135.13
SZ13 Hypoxanthine 135398638 136.11
SZ14 Spermidine 1102 145.25
SZ15 Acetylcholine 187 146.21
SZ16 Glutamic acid 33032 147.13
SZ17 Xanthine 1188 152.11
SZ18 Camphor 2537 152.23
SZ19 Dopamine 681 153.18
SZ20 Menthol 1254 156.26
SZ21 Tryptamine 1150 160.22
SZ22 Phenylalanine 6140 165.19
SZ23 Methyl(2E, 8Z-decadien-4, 6-diynoate 6443002 174.2
SZ24 Citrulline 9750 175.19
SZ25 Serotonin 5202 176.21
SZ26 Tyrosine 6057 181.19
SZ27 Spermine 1103 202.34
SZ28 Genipinic acid 12310086 242.22
SZ29 Lipase 1369 299.3
SZ30 Capsaicin 1548943 305.4
SZ31 Hirudinoidine A 101844805 310.4
SZ32 Crocetin 5281232 328.4
SZ33 Ecdysone 19212 464.6
SZ34 Leucine 6106 131.17
SZ35 Indole-3-carboxaldehyde 10256 145.16
SZ36 Lysine 5962 146.19
SZ37 Methionine 6137 149.21
SZ38 Histidine 6274 155.15
SZ39 Tryptophan 6305 204.22
SZ40 Diacetazotol 6751 309.4
SZ41 1, 3-Dimethyl-6-methylsulfinylthieno[3, 2-g]pteridine-2, 4-dione 101844805 310.4
SZ42 CPA inhibitor 44374998 313.3
SZ43 ELI 9549220 320.4
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Item Component name PubChem ID Mol. wt.
XD1 Acetylcholine 187 146.21
XD2 Chenodeoxycholic acid 10133 392.6
XD3 Cherianoine 5315819 235.24
XD4 Cholicacid 221493 408.6
XD5 Choline 305 104.17
XD6 Deoxycholic acid 222528 392.6
XD7 Deoxycorticosterone 6166 330.5
XD8 Taurochenodeoxycholic acid 387316 499.7
XD9 Taurocholic acid 6675 515.7
XD10 Taurodeoxycholic acid 2733768 499.7
XD11 Tauroursodeoxycholic acid 9848818 499.7
XD12 Taxachitriene A 124511123 636.7
XD13 Ursodeoxycholic acid 31401 392.6
XD14 Ursolic acid 64945 456.7
XD15 Quercetin 5280343 302.23
XD16 Succinic acid 1110 118.09
XD17 Caffeic acid 689043 180.16
XD18 Aspartic acid 5960 133.1
XD19 Threonine 6288 119.12
XD20 Glutamic acid 33032 147.13
XD21 Taurolithocholic acid 439763 483.7
XD22 Bilirubin 5280352 584.7
XD23 Biliverdin 5280353 582.6
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The active ingredients of bear bile (XD)

, figureFileSmall=null, figureFileBig=null, tableContent=
Item Component name PubChem ID Mol. wt.
XD1 Acetylcholine 187 146.21
XD2 Chenodeoxycholic acid 10133 392.6
XD3 Cherianoine 5315819 235.24
XD4 Cholicacid 221493 408.6
XD5 Choline 305 104.17
XD6 Deoxycholic acid 222528 392.6
XD7 Deoxycorticosterone 6166 330.5
XD8 Taurochenodeoxycholic acid 387316 499.7
XD9 Taurocholic acid 6675 515.7
XD10 Taurodeoxycholic acid 2733768 499.7
XD11 Tauroursodeoxycholic acid 9848818 499.7
XD12 Taxachitriene A 124511123 636.7
XD13 Ursodeoxycholic acid 31401 392.6
XD14 Ursolic acid 64945 456.7
XD15 Quercetin 5280343 302.23
XD16 Succinic acid 1110 118.09
XD17 Caffeic acid 689043 180.16
XD18 Aspartic acid 5960 133.1
XD19 Threonine 6288 119.12
XD20 Glutamic acid 33032 147.13
XD21 Taurolithocholic acid 439763 483.7
XD22 Bilirubin 5280352 584.7
XD23 Biliverdin 5280353 582.6
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基于网络药理学对水蛭与熊胆联用与肝胆相关疾病作用关系的研究
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高琛 1 , 郭雨师 2, 3 , 郭馨怡 1 , 张灵芝 1 , 杨国华 4 , 杨玉升 4 , 马涛 2, * , 孙华 1, *
药学学报 | 研究论文 2025,60(1): 105-116
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药学学报 | 研究论文 2025, 60(1): 105-116
基于网络药理学对水蛭与熊胆联用与肝胆相关疾病作用关系的研究
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高琛1, 郭雨师2, 3, 郭馨怡1, 张灵芝1, 杨国华4, 杨玉升4, 马涛2, * , 孙华1, *
作者信息
  • 1.中国医学科学院、北京协和医学院药物研究所, 消化健康全国重点实验室, 北京 100050
  • 2.北京中医药大学中药学院, 北京 102488
  • 3.包头市昆都仑区医院, 内蒙古 包头 014010
  • 4.云南世纪华宝医药产业开发有限公司, 云南 楚雄 675000

通讯作者:

*马涛, Tel: 86-10-53912129, E-mail:
孙华, Tel: 86-10-50927122, E-mail:
Network pharmacology-based mechanism of combined leech and bear bile on hepatobiliary diseases
Chen GAO1, Yu-shi GUO2, 3, Xin-yi GUO1, Ling-zhi ZHANG1, Guo-hua YANG4, Yu-sheng YANG4, Tao MA2, * , Hua SUN1, *
Affiliations
  • 1. Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, National Key Laboratory of Digestive Health, Beijing 100050, China
  • 2. School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
  • 3. Baotou Kundulun District Hospital, Baotou 014010, China
  • 4. Yunnan Century Huabao Pharmaceutical Industry Development Co., Ltd., Chuxiong 675000, China
出版时间: 2025-01-12 doi: 10.16438/j.0513-4870.2024-0662
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为了探究水蛭与熊胆联合作用于肝胆疾病的可能作用和分子机制, 本研究首先利用网络药理学方法筛选水蛭和熊胆成分及其靶点和肝胆疾病的相关靶基因, 将筛选出的关键基因进行交互作用网络和GO、KEGG富集分析, 然后利用油酸钠诱导的HepG2细胞脂质沉积模型和DL-乙硫氨酸诱导的小鼠脂肪肝模型, 在体内外对水蛭熊胆单独处理及联合作用降低肝脂的活性进行评价, 并采用Western blot法检测网络药理学提示的关键通路相关蛋白的表达。网络药理学分析结果显示, 水蛭、熊胆有效成分与肝胆相关疾病有295个交集靶点, 涉及200多条信号通路, 其中包括与糖脂代谢密切相关的PI3K/Akt信号通路、磷脂酶D信号通路等。体外验证实验结果显示, 水蛭与熊胆单独及联合应用均可显著抑制油酸钠诱导的人肝细胞内脂质沉积, 能够降低细胞培养上清TG水平, 抑制肝细胞内脂质含量, Nile red染色共聚焦显微镜观察结果表明, 水蛭与熊胆联合应用降低肝细胞内脂质沉积的活性相对单独用药更佳。在体内小鼠脂肪肝模型中, 水蛭与熊胆联合应用能够更好地降低升高的脏器指数、血脂和肝脂水平, 降低血清肝损伤生物标志物含量。本实验所用动物及相关处置符合动物福利的要求, 实验开展前经过中国医学科学院药物研究所实验动物管理和使用委员会(IACUC) 的审查批准。Western blot实验结果显示, 水蛭与熊胆联合应用能够显著上调p-PI3K、p-Akt蛋白的表达水平, 增加p-PI3K/PI3K、p-Akt/Akt比值, 与网络药理学预测结果一致。水蛭熊胆联合应用有治疗脂肪性肝病的良好潜能, 激活PI3K/Akt通路可能是其降低肝细胞脂质沉积的重要机制之一。

水蛭  /  熊胆  /  网络药理学  /  脂质沉积  /  HepG2细胞

In order to explore the possible role and molecular mechanism of the combined action of leech and bear bile in liver and gallbladder diseases, this study first used network pharmacology methods to screen the components and targets of leech and bear bile, as well as the related target genes of liver and gallbladder diseases. The selected key genes were subjected to interaction network and GO/KEGG enrichment analysis. Then, using sodium oleate induced HepG2 cell lipid deposition model and DL-ethionine induced mouse fatty liver model, the activity of leech and bear bile alone and in combination in reducing liver fat was evaluated in vitro and in vivo, and the expression of key pathway related proteins suggested by network pharmacology was detected by Western blot. The results of network pharmacology analysis showed that the active ingredients of leech and bear bile have 295 intersecting targets with liver and gallbladder related diseases, involving more than 200 signaling pathways, including the PI3K/Akt signaling pathway and phospholipase D signaling pathway closely related to glucose and lipid metabolism. The results of in vitro validation experiments showed that both leech and bear bile, alone and in combination, can significantly inhibit the lipid deposition induced by sodium oleate in human liver cells, reduce the triacylglycerol level in cell culture supernatant, and inhibit the lipid content in liver cells. The observation results of Nile red staining confocal microscopy showed that the combination of leech and bear bile had better activity in reducing lipid deposition in liver cells compared to using them alone. In a mouse fatty liver model, the combination of leech and bear bile can better reduce elevated organ indices, blood lipids, and liver lipid levels, as well as lower the levels of serum liver injury biomarkers. The animals used in this experiment and related disposal meet the requirements of animal welfare. Before the experiment, it was reviewed and approved by IACUC, Institute of Materia Medica, Chinese Academy of Medical Sciences. The Western blot experiment results showed that the combination of leech and bear bile can significantly upregulate the expression levels of p-PI3K and p-Akt proteins, and increase the p-PI3K/PI3K and p-Akt/Akt ratios, which is consistent with the predicted results of network pharmacology. The combination of leech and bear bile has great potential for treating fatty liver disease, and activating the PI3K/Akt pathway may be one of the important mechanisms for reducing lipid deposition in liver cells.

leech  /  bear bile  /  network pharmacology  /  lipid deposition  /  HepG2 cell
高琛, 郭雨师, 郭馨怡, 张灵芝, 杨国华, 杨玉升, 马涛, 孙华. 基于网络药理学对水蛭与熊胆联用与肝胆相关疾病作用关系的研究. 药学学报, 2025 , 60 (1) : 105 -116 . DOI: 10.16438/j.0513-4870.2024-0662
Chen GAO, Yu-shi GUO, Xin-yi GUO, Ling-zhi ZHANG, Guo-hua YANG, Yu-sheng YANG, Tao MA, Hua SUN. Network pharmacology-based mechanism of combined leech and bear bile on hepatobiliary diseases[J]. Acta Pharmaceutica Sinica, 2025 , 60 (1) : 105 -116 . DOI: 10.16438/j.0513-4870.2024-0662
近年来, 患有肝胆疾病的人数逐年升高。在过去的一年中, 有200多万人因肝胆疾病死亡, 占全球死亡人口的4%。其死亡主要归结于肝硬化和肝细胞癌的并发症, 肝硬化的出现与病毒性肝炎、酒精和非酒精性脂肪性肝病等疾病息息相关[1]。同时, 有超过2 000万人受到胆石症的影响[2]。肝脏是人体内负责分解、降解毒素的器官, 能够合成激素和胆汁等, 肝脏通过胆道系统与胆囊建立连接, 胆囊主要负责胆汁的分泌、浓缩与储存。当人体摄入食物后, 胆囊收缩将胆汁排入十二指肠, 协助脂肪的消化与分解。中医讲, 肝主疏泄, 为将军之官[3], 如同将军, 有勇有谋。肝与胆互为表里, 胆附于肝。当肝脏出现炎症反应时, 可蔓延至胆囊, 引发胆囊炎。同时, 胆囊炎也可逆行感染导致肝脏炎症; 肝脏分泌胆汁成分异常可导致胆囊结石形成, 较大的胆囊结石可阻塞胆管, 影响胆汁排泄, 进而损伤肝脏。肝胆疾病总是相依相伴。
水蛭是动物源中药的代表, 能活血化瘀。最早见于《神农本草经》, 1963年被列入《中华人民共和国药典》[4]。近年来, 人们重新重视起对水蛭的应用, 一些研究表明, 水蛭能够发挥化瘀血作用, 促进血液循环[5]从而缓解疼痛并促进伤口愈合[6], 能够有效治疗膝骨关节炎[7]。同时, 水蛭可通过代谢调节、保护足细胞、减轻炎症、抑制异常血管生成及抗肾纤维化发挥肾保护作用, 从而治疗糖尿病肾病[8]。Han等[9]发现水蛭素可以降低血糖水平和糖化血红蛋白。另外, 也有少部分研究指出水蛭可降低高脂血症大鼠的总胆固醇(total cholesterol, TC) 和低密度脂蛋白(low-density lipoprotein, LDL-C) 水平[10], 发挥降血脂、降肝脂作用。熊胆是棕熊、黑熊的干燥胆汁, 自古以来, 熊胆一直是传统名贵中药, 能够清热、明目、平肝[11]。现代医学认为, 熊胆具有明显的降脂[12]、抗炎[13, 14]、抗凋亡作用, 其在治疗肝胆疾病、心血管疾病[15]甚至神经系统疾病[16]方面均取得一定进展。水蛭与熊胆联合用药的研究较少。Liu[17]发现水蛭熊胆散可通过抑制氧化应激和炎症反应对脑缺血再灌注的大鼠发挥脑保护作用。张雪等研究发现复方水蛭散对心绞痛[18]和高脂血症[19]有一定疗效。但这些研究均不深入, 并且目前尚无水蛭与熊胆联合用药对于肝胆相关疾病的作用及机制研究。
本研究以水蛭和熊胆为研究对象, 通过网络药理学并结合体内外实验探讨水蛭熊胆联合治疗肝胆相关疾病的可能性及初步机制, 为水蛭与熊胆联用的进一步研发提供数据参考。
水蛭与熊胆主要活性成分及靶点的预测与筛选  通过检索文献[20-26], 并运用HERB数据库(http://herb.ac.cn/)、SymMap数据库(http://www.symmap.org/) 和HIT数据库(http://www.badd-cao.net:2345/) 以“shui zhi”、“xiong dan”为检索词, 获取水蛭和熊胆潜在化学成分。并通过Pub Chem数据库获得水蛭和熊胆潜在成分的相关信息, 包括PubChem ID、分子式、分子量、Canonical SMILES。利用Swiss Target Prediction平台对水蛭与熊胆成分进行作用靶点预测, 设定probabilit > 0, 整理去重。
肝胆相关疾病靶点的收集  以肝胆相关疾病为检索词[27], 见表 1, 检索GeneCards疾病数据库中与肝胆相关疾病的潜在靶点, 将上述靶点整理并去重。
水蛭与熊胆主要活性成分-靶点-肝胆疾病网络构建采用Venny平台, 筛选出水蛭、熊胆与肝胆疾病的共同靶点, 并将数据导入Cytoscape 3.9.1软件得到“成分-靶点-疾病”网络图。
构建蛋白相互作用网络  为了探索水蛭、熊胆与肝胆疾病交集靶点间的联系, 将交集靶点上传到STRING数据库, 生物种类设定为“Homo sapiens”, “highest confidence”设为0.9, 得到蛋白间相互作用关系并导入Cytoscape 3.9.1软件, 通过network analyzer处理, 以degree值前50名的靶点构建PPI网络。
GO与KEGG富集分析  将水蛭、熊胆与肝胆疾病的共同靶标输入Metascape数据库, 将物种设置为“H. sapiens”, P value cutoff为0.01, 进行GO及KEGG富集分析。分别探究水蛭与熊胆联合作用于肝胆疾病的生物学过程与生物学通路, 并借助微生信平台进行可视化处理。
药品与试剂  水蛭冻干粉、熊胆粉均由云南世纪华宝医药产业开发有限公司提供; MTT购自BioFroxx公司; 胰蛋白酶-EDTA消化液、DMEM高糖培养基、PBS磷酸盐缓冲液、油红O均购自北京索莱宝生物科技有限公司; Nile red染料、ECL化学发光超敏显色试剂盒均购自翌圣生物科技股份有限公司; 油酸购自Sigma公司; DMSO购自Amresco公司; 新生牛血清购自浙江天杭生物公司; 异丙醇购自北京化工厂; 甘油三酯(triacylglycerol, TG) 测试盒购自南京建成生物工程研究所; 丙氨酸氨基转移酶(alanine aminotransferase, ALT)、天门冬氨酸氨基转移酶(aspartate aminotransferase, AST) 测试盒购自深圳迈瑞生物医疗电子股份有限公司; DL-乙硫氨酸、非诺贝特均购自北京百灵威科技有限公司; 多聚甲醛购自国药集团化学试剂有限公司; PAGE凝胶快速制备试剂盒购自上海雅酶生物医药科技有限公司; 甘油醛-3-磷酸脱氢酶(glyceraldehyde-3-phosphate dehydrogenase, GAPDH)、磷脂酰肌醇3-激酶(phosphatidylinositol 3-kinase, PI3K)、磷酸化磷脂酰肌醇3-激酶(phospho-phosphatidylinositol 3-kinase, p-PI3K) 抗体购自武汉爱博泰克生物科技有限公司; 磷酸化蛋白激酶B (phospho-protein kinase B, p-Akt)、蛋白激酶B (protein kinase B, Akt) 抗体购自Cell Signaling Technology有限公司。
细胞培养和处理   HepG2细胞为本实验室传代保存。准备含10%灭活新生牛血清、100 µg·mL-1链霉素和100 u·mL-1青霉素的DMEM高糖培养基, 并将培养环境的温度严格控制在37 ℃, 同时保持5%二氧化碳浓度。取对数生长期的细胞进行实验。
油酸钠诱导HepG2细胞脂质沉积模型的建立在96孔板中以每毫升8×104个接种HepG2细胞, 24 h后加入含有不同浓度梯度的油酸钠(sodium oleate, OL) (90、120、150、180、210、240、270、300、480 µmol·L-1) 培养液, 每个组别设3个以上平行孔。作用细胞24 h后, 每孔加入MTT, 4 h后加入DMSO, 于酶标仪570 nm处测定吸光度(A) 值。计算细胞存活率。
操作步骤同“油酸钠诱导HepG2细胞脂质沉积模型的建立”, 油酸钠作用细胞24 h后每孔加入PBS清洗3次。加入4%多聚甲醛固定细胞40 min。PBS清洗3次。加入油红O染料, 避光染色1 h。PBS清洗3次。加入50 μL异丙醇, 震荡5 min, 于酶标仪532 nm处测定A值。
药物肝细胞毒性分析  采用MTT法检测水蛭与熊胆的细胞毒性。操作步骤同“油酸钠诱导HepG2细胞脂质沉积模型的建立”。水蛭冻干粉、熊胆粉均采用蒸馏水配置, 0.22 μm PTFE膜过滤除菌。设置不同待测药物组, 水蛭实验组(0.1 μg·mL-1)、熊胆实验组(0.3 μg·mL-1) 及水蛭熊胆联合实验组(水蛭浓度为0.1 μg·mL-1, 熊胆浓度为0.3 μg·mL-1), 同时设溶剂对照组, 每个组别设3个以上平行孔。测定A值, 计算细胞存活率。
药物作用后肝细胞脂质沉积检测  操作步骤同“油酸钠诱导HepG2细胞脂质沉积模型的建立”, 设置不同组别, 包括溶剂对照组、油酸钠组(OL, 140 µmol·L-1)、非诺贝特阳性药物对照组(10 µmol·L-1)、水蛭实验组(SZ, 0.1 μg·mL-1)、熊胆实验组(XD, 0.3 μg·mL-1) 及水蛭熊胆联合实验组(SZ+XD, 水蛭浓度为0.1 μg·mL-1, 熊胆浓度为0.3 μg·mL-1), 作用细胞24 h, 4%多聚甲醛固定后, 油红O染色, 于酶标仪532 nm处测定A值。
TG含量检测在6孔板中以每毫升1.2×105个接种HepG2细胞, 每孔2 mL。培养24 h后, 分为溶剂对照组、油酸钠140 µmol·L-1、非诺贝特10 µmol·L-1、水蛭0.1 µg·mL-1、熊胆0.3 µg·mL-1和水蛭0.1 µg·mL-1联合熊胆0.3 µg·mL-1组, 各组加入相应药物及油酸钠, 溶剂对照组加入等体积的DMSO, 继续作用细胞24 h, 收取细胞培养液。根据试剂盒说明书, 用酶标仪在特定波长下测定TG含量。
共聚焦显微镜脂滴观察  重复“药物作用后肝细胞脂质沉积检测”操作, 药物作用细胞24 h, 用PBS清洗后, 加入4%多聚甲醛固定20 min, PBS清洗, 加入Nile red工作液(0.5 μg·mL-1)。染色8 min后, 加入透化液(1∶1 000稀释) 作用10 min, 然后加入DAPI (1∶500稀释) 染色5 min, 弃去DAPI染液, PBS清洗, 激光共聚焦细胞成像系统TCS SP8X观察并拍照。
Western blot法检测相关蛋白表达设置溶剂对照组、油酸钠组(140 µmol·L-1) 及水蛭熊胆联合实验组(水蛭浓度为0.1 μg·mL-1, 熊胆浓度为0.3 μg·mL-1)。PBS润洗细胞2次, 用细胞刷刮下细胞收集于1.5 mL EP管中, 加入RIPA裂解缓冲液, 振荡裂解, 设置离心机条件为4 ℃、12 000 r·min-1离心30 min。吸取上清液至1.5 mL EP管。加入上样缓冲液煮沸变性。使用10%分离胶凝胶电泳分离上述蛋白样本。恒定电流330 mA转膜90 min, 5%脱脂奶粉封闭条带2 h, 4 ℃孵育一抗过夜, 室温孵育二抗2 h。化学发光系统显影条带, 通过GelPro32进行灰度值分析。
实验动物及饲养条件  无特定病原体级(SPF) 雄性ICR小鼠(18~22 g), 由北京华阜康生物科技股份有限公司提供, 动物许可证号: SCKX (京) 2024-0003。动物饲养于中国医学科学院药物研究所GLP动物实验中心。室温22~24 ℃, 相对湿度40%~60%。最小换气次数为每小时20次, 间隔12 h开灯光照。动物饲养于聚丙烯小鼠群养笼中, 每笼4~5只。所有动物均由培训合格的人员进行饲养管理, 整个饲养过程中保持动物饮食和活动自由。本实验所用动物及相关处置符合动物福利的要求, 实验开展前经过中国医学科学院药物研究所实验动物管理和使用委员会(IACUC) 的审查批准。
动物分组及给药   ICR小鼠适应性喂养后, 随机分为6组, 每组10只, 分别为空白对照组、DL-乙硫氨酸模型组(300 mg·kg-1)、非诺贝特阳性药组(30 mg·kg-1)、水蛭组(60 mg·kg-1)、熊胆组(200 mg·kg-1) 及水蛭熊胆联合组(60 mg·kg-1 + 200 mg·kg-1)。DL-乙硫氨酸采用2% Tween 80水溶液配置成混悬液; 非诺贝特采用0.5% CMC-Na配置成混悬液; 其余药物均溶于蒸馏水。除空白对照组和DL-乙硫氨酸模型组外, 各给药组于第1日上午口服相应药物, 每日1次, 连续5次。从第3天开始, 除空白对照组外, 给予药物1 h前, DL-乙硫氨酸模型组及受试药物组口服DL-乙硫氨酸300 mg·kg-1, 每日1次, 连续3次。空白对照组口服同体积水。给药灌胃体积均为10 mL·kg-1。末次给药后, 取材前6 h禁食不禁水, 将小鼠摘眼球取血, 随即处死, 取肝脏、脾脏称重, 肝脏放入-80 ℃冻存。
肝脏、脾脏系数计算  按照下列公式计算肝脏、脾脏系数。肝脏/脾脏系数(%) =脏器湿重/小鼠体质量×100%。
血清ALT、AST、TG指标的检测取血, 室温放置2 h, 3 500 r·min-1离心20 min, 分离得到小鼠血清, 应用全自动生化仪(mindray BS-200) 测定各组小鼠血清中ALT、AST水平, 采用商品化试剂盒检测TG含量。
肝脏TG指标检测用电子天平称取肝组织, 按1∶9比例加入0.9%生理盐水, 组织研磨仪匀浆, 4 000 r·min-1, 4 ℃离心15 min, 收集上清于1.5 mL离心管中。取10%肝脏组织匀浆, 根据试剂盒说明书检测肝脏组织匀浆TG含量。应用BCA蛋白定量试剂盒测定各样品蛋白含量对结果进行校正。
统计学分析  用GraphPad Prism 8进行单因素方差分析以确定组间差异显著性。数据以平均值±标准误展示, 当P < 0.05时认为有统计学意义。
分别从文献检索、HERB数据库、SymMap数据库和HIT数据库检索获得水蛭和熊胆的主要成分, 整合并去重后通过Swiss Target Prediction预测上述成分靶标, 保留有相应靶标的成分, 获取水蛭的43种有效成分(表 2) 及靶标1 505个, 熊胆的23种有效成分(表 3) 及靶标936个, 去重后, 水蛭的有效靶标为600个, 熊胆的有效靶标为440个。
检索GeneCards疾病数据库, 获得肝胆疾病相关靶点为177 162个。合并去重后获得22 622个肝胆相关疾病靶点。
将水蛭、熊胆与肝胆疾病靶点输入Venny 2.1.0平台, 三者取得295个共同靶点, 即为水蛭、熊胆联合治疗肝胆相关疾病的潜在靶点。将上述潜在靶点汇总, 输入Cytoscape建立“成分-靶点-疾病网络” (图 1A)。
将水蛭、熊胆与肝胆相关疾病的295个交集靶点输入STRING平台, 将数据导入Cytoscape 3.9.1得到PPI网络(图 1B)。图中共有50个节点, 931条边, 其中在PPI网络中发挥作用较大的靶点有丝氨酸/苏氨酸激酶1 (Akt serine/threonine kinase 1, Akt1)、肿瘤坏死因子(tumor necrosis factor, TNF)、白细胞介素6 (interleukin-6, IL6)、表皮生长因子受体(epidermal growth factor receptor, EGFR)、半胱氨酸天冬氨酸蛋白酶-3 (caspase-3, CASP3)、磷脂酰肌醇4, 5-二磷酸3-激酶催化亚基α亚型(phosphatidylinositol 4, 5-bisphosphate 3-kinase catalytic subunit alpha isoform, PIK3CA) 等。
采用Metascape数据库对水蛭、熊胆与肝胆相关疾病交集的295个靶点进行GO及KEGG富集分析。生物过程(GO-BP) 得到2 118条条目, 主要为对激素的反应、细胞对脂质的反应、蛋白磷酸化等; 细胞成分(GO-CC) 得到149条条目, 主要为突触膜、受体复合物、膜筏等; 分子功能(GO-MF) 得到313条条目, 主要为蛋白激酶活性、蛋白酪氨酸激酶活性、氧化还原酶活性等。Metascape数据库分析后列举出具有代表性的丰富术语的靠前集群[28] (图 2A)。
KEGG分析获得200条信号通路, 主要为神经活性配体-受体相互作用、PI3K/Akt信号通路、磷脂酶D信号通路和FoxO信号通路等。按-log10P进行排序, 选取前20名进行可视化处理(图 2B)。
用含有不同梯度浓度油酸钠的培养基作用HepG2细胞24 h, 用MTT法检测细胞存活率, 结果如图 3A所示。与空白对照组相比, 油酸钠浓度为300和480 µmol·L-1时, 细胞活性显著下降(P < 0.01, P < 0.001), 提示300和480 µmol·L-1油酸钠能显著抑制肝细胞增殖, 对HepG2细胞具有毒性。选择无毒性油酸钠浓度用于肝细胞脂质沉积诱导实验。
不同浓度的油酸钠对HepG2细胞脂质沉积水平的影响, 结果如图 3B所示。与空白对照组相比, 当油酸钠浓度为90、120、150、180、210 µmol·L-1时, HepG2细胞中脂质含量显著升高(P < 0.05, P < 0.01)。综合分析细胞的状态、毒性及脂质沉积情况, 选择油酸钠140 µmol·L-1用于后续受试物活性评价研究。
将含有水蛭0.1 µg·mL-1、熊胆0.3 µg·mL-1和水蛭0.1 µg·mL-1联合熊胆0.3 µg·mL-1的培养基作用HepG2细胞24 h, 用MTT法检测细胞存活率, 结果如图 3C所示。与空白对照组相比, 各给药组细胞活性均无明显变化, 说明水蛭0.1 µg·mL-1、熊胆0.3 µg·mL-1和水蛭0.1 µg·mL-1联合熊胆0.3 µg·mL-1对肝细胞无明显毒性。
通过油红O染色再进行酶标仪分析的方法考察肝细胞内脂质沉积情况, 吸光度值代表脂质含量。如图 3E所示, 与空白对照组相比, 油酸钠模型组的吸光度值显著上升(P < 0.001), 提示油酸钠引起了明显的肝细胞脂质沉积现象。与油酸钠模型组相比, 水蛭(0.1 µg·mL-1) 与熊胆(0.3 µg·mL-1) 单独及联合处理组(0.1 µg·mL-1+0.3 µg·mL-1) 均能显著降低油酸钠引起的肝细胞内脂质含量(P < 0.001), 水蛭与熊胆联合处理(0.1 µg·mL-1+0.3 µg·mL-1) 效果优于水蛭(0.1 µg·mL-1) 与熊胆(0.3 µg·mL-1) 单独处理组, 但组间比较无统计学差异。检测细胞培养上清中TG水平, 如图 3D所示, 油酸钠亦导致细胞培养上清TG含量显著升高(P < 0.001), 水蛭与熊胆联合处理(0.1 µg·mL-1+0.3 µg·mL-1) 能显著降低细胞培养上清TG含量(P < 0.001)。
通过Nile red染色直接观察肝细胞内脂滴含量, 用红色脂滴的荧光强度、大小和数量来评价, 如图 3F所示。与空白对照组相比, 油酸钠模型组肝细胞出现荧光强度增强和脂质堆积, 其余药物处理组细胞内荧光强度减弱、沉积脂滴变小、数量减少, 与上述结果一致。进一步表明水蛭、熊胆及水蛭熊胆联用均能够抑制人肝细胞脂质沉积, 水蛭和熊胆联用效果更佳。
通过给予小鼠DL-乙硫氨酸建立脂肪肝模型。检测小鼠血清及肝组织相关指标, 结果如图 4所示。与空白对照组相比, DL-乙硫氨酸模型组的肝脏指数显著升高(P < 0.01), 同时肝脏肉眼可见体积增大, 颜色偏黄, 且血清ALT (P < 0.01)、AST (P < 0.05)、TG (P < 0.001) 及肝组织TG (P < 0.01) 水平均显著上升, 提示DL-乙硫氨酸引起了小鼠肝脏明显的脂质沉积, 表明脂肪肝模型建立成功。与DL-乙硫氨酸模型组相比, 水蛭(60 mg·kg-1) 与熊胆(200 mg·kg-1) 单独及联合处理组(60 mg·kg-1+200 mg·kg-1) 均能显著降低肝脏指数(P < 0.05) 和脾脏指数(P < 0.05, P < 0.001, P < 0.001), 肝脏形状表现肉眼可见的好转。同时, 水蛭(60 mg·kg-1) 与熊胆(200 mg·kg-1) 单独及联合处理组(60 mg·kg-1+200 mg·kg-1) 均能显著降低血清ALT、AST、TG及肝脏TG水平(P < 0.05)。其中, 相较于水蛭熊胆单独处理组, 水蛭熊胆联合处理组可进一步降低脾脏指数、血清ALT、AST和肝脏TG水平。表明水蛭、熊胆及水蛭熊胆联用均能够抑制小鼠肝脏脂质沉积, 水蛭和熊胆联用效果更佳, 但组间比较无统计学差异。阳性对照药非诺贝特组(30 mg·kg-1) 亦显著降低小鼠血清TG水平(P < 0.01), 对肝脏组织TG水平有降低趋势。
应用Western blot方法对PI3K、p-PI3K、Akt、p-Akt蛋白表达量进行检测, 结果如图 5所示。与空白对照组相比, 油酸钠组的p-PI3K与p-Akt蛋白表达水平显著降低(P < 0.05), 水蛭熊胆联合处理后p-PI3K (P < 0.05) 与p-Akt蛋白表达水平明显上升。提示水蛭熊胆联用可通过调节PI3K/Akt通路从而在油酸钠诱导的HepG2细胞脂质沉积模型中促进脂质代谢, 该结果与网络药理学预测结果一致。
熊胆和水蛭均为传统中药材, 具有一定的药理作用。熊胆具有清热解毒、清肝明目等功效, 水蛭具有活血化瘀、通络止痛等作用。然而, 关于熊胆水蛭联用的具体背景和相关研究较少。在一些中药配方中, 有将熊胆和水蛭配伍使用, 以期发挥它们的协同作用, 如复方水蛭散中水蛭与熊胆以4∶1的比例配伍使用, 可显著降低高脂血症小鼠血清TG、TC、LDL-C含量和升高血清高密度脂蛋白含量[19]; 同时在脑缺血再灌注大鼠模型中, 水蛭与熊胆配伍使用可显著升高血清超氧化物歧化酶活性、降低丙二醛含量, 抑制氧化应激, 并发挥抗炎活性[17]。但这些联用的药效与机制尚需要进一步的研究与验证。
本文通过网络药理学工具得出水蛭熊胆联用有治疗肝胆相关疾病的可能, 富集分析显示相关的作用通路主要包括PI3K/Akt信号通路、神经活性配体-受体相互作用、磷脂酶D信号通路、氮代谢、阿尔茨海默病、脂质与动脉粥样硬化通路等, 其中PI3K/Akt信号通路的P值相对更为显著(图 2B), 且预测的关键靶点PIK3CA、Akt1、EGFR等均富集于该通路。已有大量研究表明, PI3K/Akt信号通路在机体代谢方面具有关键作用。PI3K调节亚基内的SH2结构域与磷酸酪氨酸结合并被激活, 这引起PI3K催化亚基的募集和活化, 之后在质膜上PI3K将磷脂酰肌醇-4, 5-二磷酸转化为磷脂酰肌醇-3, 4, 5-三磷酸[29], PI3K磷酸化并进一步激活下游的Akt。Akt是PI3K的核心介质[30], 参与多种细胞过程, 包括脂质代谢、葡萄糖代谢及细胞迁移等。Akt有3种亚型: PKBα、PKBβ和PKBγ。PKBα也称为Akt1, 其在多种组织中表达; PKBβ大多在胰岛素敏感组织中表达, 较少在其他组织表达; PKBγ对大脑、肺、肾脏、心脏和骨骼肌具有特异性。活化的Akt能发挥多种生物学功能, 包括抑制p27、将FOXO定位在细胞质中, 激活cAMP反应元件结合蛋白和激活mTOR等[31]。已有大量研究表明, PI3K/Akt通路能够作用于肝胆系统和机体大多数组织器官, 参与降脂、改善糖代谢、调控脂代谢等过程。有研究显示, 增加HepG2/IRM细胞内IR、IRS1、PI3K、Akt、GSK3和FoxO1蛋白的表达可调控葡萄糖代谢[32]; 促进PAQR3泛素化降解激活PI3K/Akt轴, 能够恢复胰岛素信号通路, 从而降低脂质合成并增加葡萄糖利用[33]; 上调GLUT4、PI3K和Akt的水平可改善胰岛素抵抗, 降低血清TG、TC和LDL-C水平, 降低血糖, 从而发挥抗肥胖和降脂作用[34]
已有研究分别提示了水蛭、熊胆中的部分成分发挥药效活性与PI3K/Akt通路有关。水蛭素和色氨酸是水蛭中重要活性成分, 研究显示, 水蛭素可通过激活WNT/PI3K/Akt通路调控HRPE细胞分化[35], 也可作用于PI3K/Akt通路治疗心肌肥厚[36]。Xiao等[37]发现在高碳水化合物饮食中添加色氨酸可激活PI3K/Akt/GLUT2通路从而增加胰岛素敏感性和调节葡萄糖转运。熊去氧胆酸、牛磺脱氧胆酸是熊胆中的活性成分之一。研究显示, 熊去氧胆酸通过PI3K/Akt信号通路介导谷胱甘肽的产生而发挥抗氧化活性[38]; 牛磺脱氧胆酸能够激活致死毒素抑制的Ras信号下游PI3K/Akt信号通路, 从而减少细胞凋亡[39]。结合文献报道及本研究网络药理学分析结果, 提示水蛭与熊胆联用可能通过共同调控PI3K/Akt信号通路从而调节细胞糖脂代谢, 发挥肝胆相关疾病的治疗作用。基于此, 本研究进一步建立油酸钠诱导的HepG2细胞脂质沉积模型, 通过吸光度值、TG检测、细胞内脂质可视化及Western blot方法等, 同时, 建立DL-乙硫氨酸诱导的小鼠脂肪肝模型, 通过脏器指数、血清肝损伤标志物、血脂和肝脂水平等, 对水蛭熊胆单独处理以及联合应用的作用、初步作用机制及联合应用的活性优势进行分析和研究。
研究结果显示, 水蛭、熊胆单独作用及联合使用, 均表现出显著的降肝脂活性, 在Nile red荧光染色观察中, 水蛭熊胆联合使用效果优于单独作用组。在脂肪肝动物模型中, 水蛭、熊胆单独作用及联合使用均显著降低血脂和肝脂水平, 减少肝损伤标志物, 且水蛭熊胆联合使用效果优于单独作用组。分子生物学研究也验证了水蛭熊胆联合应用能够显著激活油酸钠引起的PI3K/Akt通路抑制, PI3K/Akt通路激活可能是水蛭熊胆联用治疗肝胆疾病, 特别是脂质沉积相关的脂肪性肝病的关键机制之一。
本文基于网络药理学预测和体内外实验及分子生物学实验验证, 考察水蛭熊胆联用治疗肝胆疾病的可能性和可能作用机制, 对水蛭熊胆联合应用治疗疾病具有一定的借鉴价值。深入的药理学和机制研究尚待开展。
作者贡献: 高琛负责实验操作、数据处理及文章撰写; 张灵芝负责细胞毒性实验; 郭馨怡负责实验操作指导; 郭雨师、杨国华和杨玉升提供受试物; 马涛和孙华负责文章统筹及修订。
利益冲突: 所有作者均声明不存在利益冲突。
  • 中国医学科学院医学与健康科技创新工程(协同创新重点实验室项目)(2023-I2M-2-009)
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doi: 10.16438/j.0513-4870.2024-0662
  • 接收时间:2024-07-14
  • 首发时间:2025-11-07
  • 出版时间:2025-01-12
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  • 收稿日期:2024-07-14
  • 修回日期:2024-11-05
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中国医学科学院医学与健康科技创新工程(协同创新重点实验室项目)(2023-I2M-2-009)
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    1.中国医学科学院、北京协和医学院药物研究所, 消化健康全国重点实验室, 北京 100050
    2.北京中医药大学中药学院, 北京 102488
    3.包头市昆都仑区医院, 内蒙古 包头 014010
    4.云南世纪华宝医药产业开发有限公司, 云南 楚雄 675000

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*马涛, Tel: 86-10-53912129, E-mail:
孙华, Tel: 86-10-50927122, E-mail:
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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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