Article(id=1208491444969517271, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1208491433464541768, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2021-0190, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1612454400000, receivedDateStr=2021-02-05, revisedDate=1615219200000, revisedDateStr=2021-03-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1766056413165, onlineDateStr=2025-12-18, pubDate=1620748800000, pubDateStr=2021-05-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766056413165, onlineIssueDateStr=2025-12-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766056413165, creator=13701087609, updateTime=1766056413165, updator=13701087609, issue=Issue{id=1208491433464541768, tenantId=1146029695717560320, journalId=1189982191388893191, year='2021', volume='56', issue='5', pageStart='1201', pageEnd='1512', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766056410422, creator=13701087609, updateTime=1766137182836, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1208830217578214182, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1208491433464541768, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1208830217578214183, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1208491433464541768, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1424, endPage=1428, ext={EN=ArticleExt(id=1208491445451862281, articleId=1208491444969517271, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Structure modification and antimicrobial activity of novel cationic melittin analogues, columnId=1190335348761793317, journalTitle=Acta Pharmaceutica Sinica, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=
Melittin exhibits high antibacterial potency against drug-resistant bacteria. However, the clinical utility of melittin is limited by its serious hemolytic activity. Thus, the need for developing novel melittin analogues with high antimicrobial activity and low hemolytic activity has grown. We designed, synthesized, and evaluated 20 novel melittin analogues with varying hydrophobic, polar or positively charged amino acids. The results showed that 8 compounds had antimicrobial activity (MIC: 1-4 μg·mL-1) against gram-positive pathogens equal to or better than that of melittin, and 16 compounds had low hemolytic activity (HC50 ≥ 11.9 μg·mL-1). Compounds 13 (MIC: 2-4 μg·mL-1) and 15 (MIC: 1-2 μg·mL-1) showed equal or better antimicrobial activity against both susceptible and resistant strains of Staphylococcus aureus and Enterococcus faecium compared to melittin (MIC: 4 μg·mL-1). Compound 13 (HC50: 24.0±4.3 μg·mL-1) displayed noticeably decreased hemolytic activity compared to melittin (HC50: 5.3±0.4 μg·mL-1). This work established a base for further study on the structure-activity relationships and structure-toxicity relationships of melittin.
, correspAuthors=Zhuo-rong LI, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2021 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=A-long CUI, He-xian YANG, Si-tu XUE, Lian-qi SUN, Jie JIN, Hong YI, Zhuo-rong LI), CN=ArticleExt(id=1208491447054086465, articleId=1208491444969517271, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=新型阳离子蜂毒肽结构优化及衍生物的抗菌活性研究, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
蜂毒肽对耐药菌具有较强的抗菌活性,但是蜂毒肽存在严重的溶血作用,限制了其临床使用。因此,需要研发新型高抗菌活性、低溶血作用的蜂毒肽衍生物。本研究通过改变蜂毒肽的氨基酸疏水性、极性和正电荷数量设计合成新衍生物20个,并评价其抗菌活性和溶血作用。结果表明,8个衍生物对阳性菌的抗菌活性保持或提高(MIC:1~4 μg·mL-1),16个衍生物的溶血作用(HC50≥ 11.9 μg·mL-1)降低。与蜂毒肽(MIC:4μg·mL-1,HC50:5.3±0.4 μg·mL-1)相比,衍生物13(MIC:2~4 μg·mL-1)和15(MIC:1~2 μg·mL-1)对测定的耐药或敏感的金葡菌和屎肠球菌显示出相当或提高的抗菌活性,并且衍生物13的溶血作用(HC50:24.0±4.3 μg·mL-1)明显降低。本研究为蜂毒肽的构效关系与构毒关系研究奠定基础。
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| Compd. | Sequence | HRMS (m/z) | Puritya/% |
| Melittin | GIGAVLKVLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C131H233N39O31: 712.195 8; Found: 712.196 8. | 98.7 |
| 1 | GTGAVLKVLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.187 6. | 98.6 |
| 2 | GIGATLKVLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C130H231N39O32: 712.690 6; Found: 712.692 7. | 98.8 |
| 3 | GIGAVTKVLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.188 1. | 97.8 |
| 4 | GIGAVLKTLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C130H231N39O32: 712.690 6; Found: 712.692 6. | 98.8 |
| 5 | GIGAVLKVTTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.188 5. | 99.2 |
| 6 | GIGAVLKVLTTGTPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.188 4. | 98.8 |
| 7 | GIGAVLKVLTTGLPATISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.190 0. | 98.0 |
| 8 | GIGAVLKVLTTGLPALTSWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.187 9. | 98.1 |
| 9 | GIGAVLKVLTTGLPALISTIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C124H230N38O32: 690.937 9; Found: 690.939 9. | 98.9 |
| 10 | GIGAVLKVLTTGLPALISWTKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.189 4. | 98.7 |
| 11 | GIGAVLKVLSTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C130H231N39O31: 708.691 9; Found: 708.694 2. | 98.6 |
| 12 | GIGAVLKVLTSGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C130H231N39O31: 708.691 9; Found: 708.693 5. | 98.6 |
| 13 | GIGAVLKVLTTGVPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C130H231N39O31: 708.691 9; Found: 708.693 0. | 98.7 |
| 14 | GIGAVLKLLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C132H235N39O31: 715.699 7; Found: 715.701 5. | 98.8 |
| 15 | GIGAVLKVLTTALPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C132H235N39O31: 715.699 7; Found: 715.700 1. | 98.7 |
| 16 | GIGAVLTVLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H228N38O32: 705.433 9; Found: 705.436 3. | 98.9 |
| 17 | GIGAVLKVLTTGLPALISWITRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H228N38O32: 705.433 9; Found: 705.436 0. | 98.7 |
| 18 | GIGAVLKVLTTGLPALISWIKTKRQQ-CONH2 | [M+4H]4+: Calcd. C129H228N36O32: 698.432 4; Found: 698.433 6. | 99.4 |
| 19 | GIGAVLKVLTTGLPALISWIKRTRQQ-CONH2 | [M+4H]4+: Calcd. C129H228N38O32: 705.433 9; Found: 705.436 2. | 98.8 |
| 20 | GIGAVLKVLTTGLPALISWIKRKTQQ-CONH2 | [M+4H]4+: Calcd. C129H228N36O32: 698.432 4; Found: 698.435 2. | 98.6 |
), ArticleFig(id=1208491452909335361, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491444969517271, language=CN, label=Table 1, caption=
Chemical structures of novel melittin analogues. aPurity was measured by reverse-phase HPLC
, figureFileSmall=null, figureFileBig=null, tableContent=
| Compd. | Sequence | HRMS (m/z) | Puritya/% |
| Melittin | GIGAVLKVLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C131H233N39O31: 712.195 8; Found: 712.196 8. | 98.7 |
| 1 | GTGAVLKVLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.187 6. | 98.6 |
| 2 | GIGATLKVLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C130H231N39O32: 712.690 6; Found: 712.692 7. | 98.8 |
| 3 | GIGAVTKVLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.188 1. | 97.8 |
| 4 | GIGAVLKTLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C130H231N39O32: 712.690 6; Found: 712.692 6. | 98.8 |
| 5 | GIGAVLKVTTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.188 5. | 99.2 |
| 6 | GIGAVLKVLTTGTPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.188 4. | 98.8 |
| 7 | GIGAVLKVLTTGLPATISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.190 0. | 98.0 |
| 8 | GIGAVLKVLTTGLPALTSWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.187 9. | 98.1 |
| 9 | GIGAVLKVLTTGLPALISTIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C124H230N38O32: 690.937 9; Found: 690.939 9. | 98.9 |
| 10 | GIGAVLKVLTTGLPALISWTKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H229N39O32: 709.186 7; Found: 709.189 4. | 98.7 |
| 11 | GIGAVLKVLSTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C130H231N39O31: 708.691 9; Found: 708.694 2. | 98.6 |
| 12 | GIGAVLKVLTSGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C130H231N39O31: 708.691 9; Found: 708.693 5. | 98.6 |
| 13 | GIGAVLKVLTTGVPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C130H231N39O31: 708.691 9; Found: 708.693 0. | 98.7 |
| 14 | GIGAVLKLLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C132H235N39O31: 715.699 7; Found: 715.701 5. | 98.8 |
| 15 | GIGAVLKVLTTALPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C132H235N39O31: 715.699 7; Found: 715.700 1. | 98.7 |
| 16 | GIGAVLTVLTTGLPALISWIKRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H228N38O32: 705.433 9; Found: 705.436 3. | 98.9 |
| 17 | GIGAVLKVLTTGLPALISWITRKRQQ-CONH2 | [M+4H]4+: Calcd. C129H228N38O32: 705.433 9; Found: 705.436 0. | 98.7 |
| 18 | GIGAVLKVLTTGLPALISWIKTKRQQ-CONH2 | [M+4H]4+: Calcd. C129H228N36O32: 698.432 4; Found: 698.433 6. | 99.4 |
| 19 | GIGAVLKVLTTGLPALISWIKRTRQQ-CONH2 | [M+4H]4+: Calcd. C129H228N38O32: 705.433 9; Found: 705.436 2. | 98.8 |
| 20 | GIGAVLKVLTTGLPALISWIKRKTQQ-CONH2 | [M+4H]4+: Calcd. C129H228N36O32: 698.432 4; Found: 698.435 2. | 98.6 |
), ArticleFig(id=1208491453022581584, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491444969517271, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Compd. | MIC/μg·mL-1 | | HC50d/μg·mL-1 |
| S. aureus ATCCa 33591 (MRSA) | E. faecium EFM19-2b | E. faecium EFM19-13b (VRE) | E. coli ATCC BAA-2340 (KPC) | K. pneumoniae ATCC BAA-1705 (KPC) | P. aeruginosa ATCC 27853 | A. baumannii NCTCc 13304 (OXA-27) | Rabbit erythrocytes |
| Melittin | 4 | 4 | 4 | 8 | 32 | 16 | 4 | | 5.3 ± 0.4 |
| 1 | 8 | 4 | 4 | 32 | ˃ 64 | ˃ 64 | 8 | 504.2 ± 35.8 |
| 2 | 8 | 4 | 4 | 16 | 64 | ˃ 64 | 8 | 114.7 ± 5.4 |
| 3 | 8 | 4 | 4 | 32 | ˃ 64 | ˃ 64 | 8 | 665.2 ± 40.3 |
| 4 | 8 | 8 | 4 | 8 | 64 | 64 | 4 | 33.2 ± 2.3 |
| 5 | 64 | 16 | 16 | ˃ 64 | ˃ 64 | ˃ 64 | 32 | 320.7 ± 6.1 |
| 6 | 16 | 64 | 16 | 64 | ˃ 64 | ˃ 64 | 16 | 314.8 ± 14.3 |
| 7 | 32 | ˃ 64 | 16 | 64 | ˃ 64 | ˃ 64 | 16 | 376.1± 6.3 |
| 8 | 8 | 4 | 4 | 32 | ˃ 64 | ˃ 64 | 8 | 209.4 ± 11.8 |
| 9 | 16 | 16 | 8 | 32 | ˃ 64 | ˃ 64 | 16 | 676.1 ± 59.4 |
| 10 | 4 | 4 | 4 | 16 | 64 | 64 | 8 | 252.5 ± 0.2 |
| 11 | 4 | 2 | 4 | 8 | 32 | 32 | 8 | 11.9 ± 2.5 |
| 12 | 8 | 4 | 4 | 8 | 32 | 32 | 8 | 14.4 ± 3.7 |
| 13 | 4 | 2 | 2 | 8 | 32 | ˃ 64 | 4 | 24.0 ± 4.3 |
| 14 | 4 | 4 | 4 | 8 | 16 | 16 | 4 | 2.1 ± 0.1 |
| 15 | 1 | 2 | 2 | 8 | 32 | ˃ 64 | 4 | 2.3 ± 0.4 |
| 16 | 8 | 4 | 4 | 32 | ˃ 64 | ˃ 64 | 16 | 19.2 ± 5.2 |
| 17 | 4 | 4 | 4 | 16 | 64 | 32 | 8 | 4.4± 0.1 |
| 18 | 16 | 8 | 8 | 64 | ˃ 64 | ˃ 64 | 32 | 68.0 ± 4.2 |
| 19 | 4 | 4 | 4 | 16 | 64 | 64 | 8 | 46.4 ± 16.4 |
| 20 | 4 | 4 | 4 | 32 | ˃ 64 | 64 | 8 | 8.4 ± 0.6 |
), ArticleFig(id=1208491453240685405, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1208491444969517271, language=CN, label=Table 2, caption=
Minimum inhibitory concentration (MIC: μg·mL-1) and hemolysis (HC50: μg·mL-1) of melittin analogues. aATCC (American Type Culture Collection). bClinical isolate. cNCTC (National Collection of Type Cultures). d50% Hemolytic concentration. MRSA (Methicillin-resistant Staphylococcus aureus). VRE (Vancomycin resistance Enterococcus). KPC (Klebsiella pneumoniae carbapenemase). OXA (Oxacilllinase)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Compd. | MIC/μg·mL-1 | | HC50d/μg·mL-1 |
| S. aureus ATCCa 33591 (MRSA) | E. faecium EFM19-2b | E. faecium EFM19-13b (VRE) | E. coli ATCC BAA-2340 (KPC) | K. pneumoniae ATCC BAA-1705 (KPC) | P. aeruginosa ATCC 27853 | A. baumannii NCTCc 13304 (OXA-27) | Rabbit erythrocytes |
| Melittin | 4 | 4 | 4 | 8 | 32 | 16 | 4 | | 5.3 ± 0.4 |
| 1 | 8 | 4 | 4 | 32 | ˃ 64 | ˃ 64 | 8 | 504.2 ± 35.8 |
| 2 | 8 | 4 | 4 | 16 | 64 | ˃ 64 | 8 | 114.7 ± 5.4 |
| 3 | 8 | 4 | 4 | 32 | ˃ 64 | ˃ 64 | 8 | 665.2 ± 40.3 |
| 4 | 8 | 8 | 4 | 8 | 64 | 64 | 4 | 33.2 ± 2.3 |
| 5 | 64 | 16 | 16 | ˃ 64 | ˃ 64 | ˃ 64 | 32 | 320.7 ± 6.1 |
| 6 | 16 | 64 | 16 | 64 | ˃ 64 | ˃ 64 | 16 | 314.8 ± 14.3 |
| 7 | 32 | ˃ 64 | 16 | 64 | ˃ 64 | ˃ 64 | 16 | 376.1± 6.3 |
| 8 | 8 | 4 | 4 | 32 | ˃ 64 | ˃ 64 | 8 | 209.4 ± 11.8 |
| 9 | 16 | 16 | 8 | 32 | ˃ 64 | ˃ 64 | 16 | 676.1 ± 59.4 |
| 10 | 4 | 4 | 4 | 16 | 64 | 64 | 8 | 252.5 ± 0.2 |
| 11 | 4 | 2 | 4 | 8 | 32 | 32 | 8 | 11.9 ± 2.5 |
| 12 | 8 | 4 | 4 | 8 | 32 | 32 | 8 | 14.4 ± 3.7 |
| 13 | 4 | 2 | 2 | 8 | 32 | ˃ 64 | 4 | 24.0 ± 4.3 |
| 14 | 4 | 4 | 4 | 8 | 16 | 16 | 4 | 2.1 ± 0.1 |
| 15 | 1 | 2 | 2 | 8 | 32 | ˃ 64 | 4 | 2.3 ± 0.4 |
| 16 | 8 | 4 | 4 | 32 | ˃ 64 | ˃ 64 | 16 | 19.2 ± 5.2 |
| 17 | 4 | 4 | 4 | 16 | 64 | 32 | 8 | 4.4± 0.1 |
| 18 | 16 | 8 | 8 | 64 | ˃ 64 | ˃ 64 | 32 | 68.0 ± 4.2 |
| 19 | 4 | 4 | 4 | 16 | 64 | 64 | 8 | 46.4 ± 16.4 |
| 20 | 4 | 4 | 4 | 32 | ˃ 64 | 64 | 8 | 8.4 ± 0.6 |
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