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Subramanian S, Jain M, Misra R, Jain R. Peptide-based therapeutics targeting genetic disorders. Drug Discov Today 2024:104209. [PMID: 39419376 DOI: 10.1016/j.drudis.2024.104209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 09/25/2024] [Accepted: 10/09/2024] [Indexed: 10/19/2024]
Abstract
Genetic disorders (GDs) are challenging to treat owing to a lack of optimal treatment regimens and intricate and often difficult-to-understand underlying biological processes. Limited therapeutic approaches, which mostly provide symptomatic relief, are available. To date, a limited number of peptide-based drugs for the treatment of GDs are available, and several candidates are under clinical study. This review provides mechanistic insights into GDs and potential target areas where peptide-based drugs are beneficial. In addition, it emphasizes the usefulness of peptides as carriers for gene delivery, biomarkers for mutation detection and peptide-based vaccines for treating GDs.
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Affiliation(s)
- Shweta Subramanian
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S. A. S. Nagar, Punjab, 160 062, India
| | - Meenakshi Jain
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S. A. S. Nagar, Punjab, 160 062, India
| | - Rajkumar Misra
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S. A. S. Nagar, Punjab, 160 062, India
| | - Rahul Jain
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S. A. S. Nagar, Punjab, 160 062, India.
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2
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Fang H, Wang T, Dai J, Hu JJ, Chen Z, Yuan L, Hong Y, Xia F, Lou X. Spatiotemporally Controllable Covalent Bonding of RNA for Multi-Protein Interference. Adv Healthc Mater 2024; 13:e2304108. [PMID: 38979870 DOI: 10.1002/adhm.202304108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 06/29/2024] [Indexed: 07/10/2024]
Abstract
Many diseases are associated with genetic mutation and expression of mutated proteins, such as cancers. Therapeutic approaches that selectively target the synthesis process of multiple proteins show greater potential compared to single-protein approaches in oncological diseases. However, conventional agents to regulate the synthesis of multiple protein still suffer from poor spatiotemporal selectivity and stability. Here, a new method using a dye-peptide conjugate, PRFK, for multi-protein interference with spatiotemporal selectivity and reliable stability, is reported. By using the peptide sequence that targets tumor cells, PRFK can be efficiently taken up, followed by specific binding to the KDELR (KDEL receptor) protein located in the endoplasmic reticulum (ER). The dye generates 1O2 under light irradiation, enabling photodynamic therapy. This process converts the furan group into a cytidine-reactive intermediate, which covalently binds to mRNA, thereby blocking protein synthesis. Upon treating 4T1 cells, the proteomics data show alterations in apoptosis, ferroptosis, proliferation, migration, invasion, and immune infiltration, suggesting that multi-protein interference leads to the disruption of cellular physiological activities, ultimately achieving tumor treatment. This study presents a multi-protein interference probe with the potential for protein interference within various subcellular organelles in the future.
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Affiliation(s)
- Hao Fang
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China
| | - Tingting Wang
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China
| | - Jun Dai
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Jing-Jing Hu
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China
| | - Zhaojun Chen
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China
| | - Lizhen Yuan
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China
| | - Yuning Hong
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science, La Trobe University, Melbourne Victoria, 3086, Australia
| | - Fan Xia
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China
| | - Xiaoding Lou
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China
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3
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Su S, Shen X, Shi X, Li X, Chen J, Yang W, Sun M, Tang YD, Wang H, Wang S, Cai X, Lu Y, An T, Yang Y, Meng F. Cell-penetrating peptides TAT and 8R functionalize P22 virus-like particles to enhance tissue distribution and retention in vivo. Front Vet Sci 2024; 11:1460973. [PMID: 39290505 PMCID: PMC11405305 DOI: 10.3389/fvets.2024.1460973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2024] [Accepted: 08/22/2024] [Indexed: 09/19/2024] Open
Abstract
Virus-like particles (VLPs) are used as nanocontainers for targeted drug, protein, and vaccine delivery. The phage P22 VLP is an ideal macromolecule delivery vehicle, as it has a large exterior surface area, which facilitates multivalent genetic and chemical modifications for cell recognition and penetration. Arginine-rich cell-penetrating peptides (CPPs) can increase cargo transport efficiency in vivo. However, studies on the tissue distribution and retention of P22 VLPs mediated by TAT and 8R are lacking. This study aimed to analyze the TAT and 8R effects on the P22 VLPs transport efficiency and tissue distribution both in vitro and in vivo. We used a prokaryotic system to prepare P22 VLP self-assembled particles and expressed TAT-or 8R-conjugated mCherry on the VLP capsid protein as model cargoes and revealed that the level of P22 VLP-mCherry penetrating the cell membrane was low. However, both TAT and 8R significantly promoted the cellular uptake efficiency of P22 VLPs in vitro, as well as enhanced the tissue accumulation and retention of P22 VLPs in vivo. At 24 h postinjection, TAT enhanced the tissue distribution and retention in the lung, whereas 8R could be better accumulation in brain. Thus, TAT was superior in terms of cellular uptake and tissue accumulation in the P22 VLPs delivery system. Understanding CPP biocompatibility and tissue retention will expand their potential applications in macromolecular cargo delivery.
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Affiliation(s)
- Shibo Su
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
| | - Xuegang Shen
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
| | - Xinqi Shi
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
| | - Xin Li
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
| | - Jin Chen
- Institute of Veterinary Immunology and Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, China
- GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, Taizhou, China
| | - Wei Yang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Mingxia Sun
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
| | - Yan-Dong Tang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
| | - Haiwei Wang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
| | - Shujie Wang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
| | - Xuehui Cai
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Research Center for Veterinary Biopharmaceutical Technology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Yu Lu
- Institute of Veterinary Immunology and Engineering, Jiangsu Academy of Agricultural Sciences, Nanjing, China
- GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, Taizhou, China
| | - Tongqing An
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Provincial Key Laboratory of Veterinary Immunology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Yongbo Yang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
- Heilongjiang Research Center for Veterinary Biopharmaceutical Technology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Fandan Meng
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute of Chinese Academy of Agricultural Sciences, Harbin, China
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Ivachtchenko AV, Khvat AV, Shkil DO. Development and Prospects of Furin Inhibitors for Therapeutic Applications. Int J Mol Sci 2024; 25:9199. [PMID: 39273149 PMCID: PMC11394684 DOI: 10.3390/ijms25179199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 08/17/2024] [Accepted: 08/22/2024] [Indexed: 09/15/2024] Open
Abstract
Furin, a serine protease enzyme located in the Golgi apparatus of animal cells, plays a crucial role in cleaving precursor proteins into their mature, active forms. It is ubiquitously expressed across various tissues, including the brain, lungs, gastrointestinal tract, liver, pancreas, and reproductive organs. Since its discovery in 1990, furin has been recognized as a significant therapeutic target, leading to the active development of furin inhibitors for potential use in antiviral, antibacterial, anticancer, and other therapeutic applications. This review provides a comprehensive overview of the progress in the development and characterization of furin inhibitors, encompassing peptides, linear and macrocyclic peptidomimetics, and non-peptide compounds, highlighting their potential in the treatment of both infectious and non-infectious diseases.
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Kravchenko SV, Domnin PA, Grishin SY, Zakhareva AP, Zakharova AA, Mustaeva LG, Gorbunova EY, Kobyakova MI, Surin AK, Poshvina DV, Fadeev RS, Azev VN, Ostroumova OS, Ermolaeva SA, Galzitskaya OV. Optimizing Antimicrobial Peptide Design: Integration of Cell-Penetrating Peptides, Amyloidogenic Fragments, and Amino Acid Residue Modifications. Int J Mol Sci 2024; 25:6030. [PMID: 38892216 PMCID: PMC11173194 DOI: 10.3390/ijms25116030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 05/27/2024] [Accepted: 05/29/2024] [Indexed: 06/21/2024] Open
Abstract
The escalating threat of multidrug-resistant pathogens necessitates innovative approaches to combat infectious diseases. In this study, we examined peptides R23FS*, V31KS*, and R44KS*, which were engineered to include an amyloidogenic fragment sourced from the S1 protein of S. aureus, along with one or two cell-penetrating peptide (CPP) components. We assessed the antimicrobial efficacy of these peptides in a liquid medium against various strains of both Gram-positive bacteria, including S. aureus (209P and 129B strains), MRSA (SA 180 and ATCC 43300 strains), and B. cereus (strain IP 5832), and Gram-negative bacteria such as P. aeruginosa (ATCC 28753 and 2943 strains) and E. coli (MG1655 and K12 strains). Peptides R23FS*, V31KS*, and R44KS* exhibited antimicrobial activity comparable to gentamicin and meropenem against all tested bacteria at concentrations ranging from 24 to 48 μM. The peptides showed a stronger antimicrobial effect against B. cereus. Notably, peptide R44KS* displayed high efficacy compared to peptides R23FS* and V31KS*, particularly evident at lower concentrations, resulting in significant inhibition of bacterial growth. Furthermore, modified peptides V31KS* and R44KS* demonstrated enhanced inhibitory effects on bacterial growth across different strains compared to their unmodified counterparts V31KS and R44KS. These results highlight the potential of integrating cell-penetrating peptides, amyloidogenic fragments, and amino acid residue modifications to advance the innovation in the field of antimicrobial peptides, thereby increasing their effectiveness against a broad spectrum of pathogens.
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Affiliation(s)
- Sergey V. Kravchenko
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, 625003 Tyumen, Russia; (S.V.K.); (A.P.Z.); (D.V.P.)
| | - Pavel A. Domnin
- Biology Faculty, Lomonosov Moscow State University, 119991 Moscow, Russia;
- Gamaleya Research Centre of Epidemiology and Microbiology, 123098 Moscow, Russia;
| | - Sergei Y. Grishin
- Institute of Protein Research, Russian Academy of Sciences, 142290 Pushchino, Russia; (S.Y.G.); (A.K.S.)
| | - Alena P. Zakhareva
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, 625003 Tyumen, Russia; (S.V.K.); (A.P.Z.); (D.V.P.)
| | - Anastasiia A. Zakharova
- Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky Ave. 4, 194064 St. Petersburg, Russia; (A.A.Z.); (O.S.O.)
| | - Leila G. Mustaeva
- The Branch of the Institute of Bioorganic Chemistry, Russian Academy of Sciences, 142290 Pushchino, Russia; (L.G.M.); (E.Y.G.); (V.N.A.)
| | - Elena Y. Gorbunova
- The Branch of the Institute of Bioorganic Chemistry, Russian Academy of Sciences, 142290 Pushchino, Russia; (L.G.M.); (E.Y.G.); (V.N.A.)
| | - Margarita I. Kobyakova
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia; (M.I.K.); (R.S.F.)
- Research Institute of Clinical and Experimental Lymphology—Branch of the Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences, 630060 Novosibirsk, Russia
| | - Alexey K. Surin
- Institute of Protein Research, Russian Academy of Sciences, 142290 Pushchino, Russia; (S.Y.G.); (A.K.S.)
- The Branch of the Institute of Bioorganic Chemistry, Russian Academy of Sciences, 142290 Pushchino, Russia; (L.G.M.); (E.Y.G.); (V.N.A.)
- State Research Center for Applied Microbiology and Biotechnology, 142279 Obolensk, Russia
| | - Darya V. Poshvina
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, 625003 Tyumen, Russia; (S.V.K.); (A.P.Z.); (D.V.P.)
| | - Roman S. Fadeev
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia; (M.I.K.); (R.S.F.)
| | - Viacheslav N. Azev
- The Branch of the Institute of Bioorganic Chemistry, Russian Academy of Sciences, 142290 Pushchino, Russia; (L.G.M.); (E.Y.G.); (V.N.A.)
| | - Olga S. Ostroumova
- Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky Ave. 4, 194064 St. Petersburg, Russia; (A.A.Z.); (O.S.O.)
| | | | - Oxana V. Galzitskaya
- Gamaleya Research Centre of Epidemiology and Microbiology, 123098 Moscow, Russia;
- Institute of Protein Research, Russian Academy of Sciences, 142290 Pushchino, Russia; (S.Y.G.); (A.K.S.)
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia; (M.I.K.); (R.S.F.)
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6
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Luppi BT, Primrose WL, Hudson ZM. Polymer Dots with Delayed Fluorescence and Tunable Cellular Uptake for Photodynamic Therapy and Time-Gated Imaging. Angew Chem Int Ed Engl 2024; 63:e202400712. [PMID: 38439710 DOI: 10.1002/anie.202400712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/01/2024] [Accepted: 03/04/2024] [Indexed: 03/06/2024]
Abstract
By combining bioimaging and photodynamic therapy (PDT), it is possible to treat cancer through a theranostic approach with targeted action for minimum invasiveness and side effects. Thermally activated delayed fluorescence (TADF) probes have gained recent interest in theranostics due to their ability to generate singlet oxygen (1O2) while providing delayed emission that can be used in time-gated imaging. However, it is still challenging to design systems that simultaneously show (1) high contrast for imaging, (2) low dark toxicity but high phototoxicity and (3) tunable biological uptake. Here, we circumvent shortcomings of TADF systems by designing block copolymers and their corresponding semiconducting polymer dots (Pdots) that encapsulate a TADF dye in the core and expose an additional boron-dipyrromethene (BODIPY) oxygen sensitizer in the corona. This architecture provides orange-red luminescent particles (ΦPL up to 18 %) that can efficiently promote PDT (1O2 QY=42 %) of HeLa cells with very low photosensitizer loading (IC50 ~0.05-0.13 μg/mL after 30 min). Additionally, we design Pdots with tunable cellular uptake but similar PDT efficiencies using either polyethylene glycol or guanidinium-based coronas. Finally, we demonstrate that these Pdots can be used for time-gated imaging to effectively filter out background fluorescence from biological samples and improve image contrast.
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Affiliation(s)
- Bruno T Luppi
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, V6T 1Z1, Canada
| | - William L Primrose
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, V6T 1Z1, Canada
| | - Zachary M Hudson
- Department of Chemistry, The University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, V6T 1Z1, Canada
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7
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Huang X, Zhu X, Yang H, Li Q, Gai L, Sui X, Lu H, Feng J. Nanomaterial Delivery Vehicles for the Development of Neoantigen Tumor Vaccines for Personalized Treatment. Molecules 2024; 29:1462. [PMID: 38611742 PMCID: PMC11012694 DOI: 10.3390/molecules29071462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/16/2024] [Accepted: 03/22/2024] [Indexed: 04/14/2024] Open
Abstract
Tumor vaccines have been considered a promising therapeutic approach for treating cancer in recent years. With the development of sequencing technologies, tumor vaccines based on neoantigens or genomes specifically expressed in tumor cells, mainly in the form of peptides, nucleic acids, and dendritic cells, are beginning to receive widespread attention. Therefore, in this review, we have introduced different forms of neoantigen vaccines and discussed the development of these vaccines in treating cancer. Furthermore, neoantigen vaccines are influenced by factors such as antigen stability, weak immunogenicity, and biosafety in addition to sequencing technology. Hence, the biological nanomaterials, polymeric nanomaterials, inorganic nanomaterials, etc., used as vaccine carriers are principally summarized here, which may contribute to the design of neoantigen vaccines for improved stability and better efficacy.
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Affiliation(s)
- Xiaoyu Huang
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China; (X.H.); (X.Z.); (H.Y.); (Q.L.); (X.S.)
| | - Xiaolong Zhu
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China; (X.H.); (X.Z.); (H.Y.); (Q.L.); (X.S.)
| | - Huan Yang
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China; (X.H.); (X.Z.); (H.Y.); (Q.L.); (X.S.)
| | - Qinyi Li
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China; (X.H.); (X.Z.); (H.Y.); (Q.L.); (X.S.)
| | - Lizhi Gai
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, and Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China;
| | - Xinbing Sui
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China; (X.H.); (X.Z.); (H.Y.); (Q.L.); (X.S.)
| | - Hua Lu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, and Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China;
| | - Jiao Feng
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China; (X.H.); (X.Z.); (H.Y.); (Q.L.); (X.S.)
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Tan KXY, Shigenobu S. In vivo interference of pea aphid endosymbiont Buchnera groEL gene by synthetic peptide nucleic acids. Sci Rep 2024; 14:5378. [PMID: 38438424 PMCID: PMC10912616 DOI: 10.1038/s41598-024-55179-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 02/21/2024] [Indexed: 03/06/2024] Open
Abstract
The unculturable nature of intracellular obligate symbionts presents a significant challenge for elucidating gene functionality, necessitating the development of gene manipulation techniques. One of the best-studied obligate symbioses is that between aphids and the bacterial endosymbiont Buchnera aphidicola. Given the extensive genome reduction observed in Buchnera, the remaining genes are crucial for understanding the host-symbiont relationship, but a lack of tools for manipulating gene function in the endosymbiont has significantly impeded the exploration of the molecular mechanisms underlying this mutualism. In this study, we introduced a novel gene manipulation technique employing synthetic single-stranded peptide nucleic acids (PNAs). We targeted the critical Buchnera groEL using specially designed antisense PNAs conjugated to an arginine-rich cell-penetrating peptide (CPP). Within 24 h of PNA administration via microinjection, we observed a significant reduction in groEL expression and Buchnera cell count. Notably, the interference of groEL led to profound morphological malformations in Buchnera, indicative of impaired cellular integrity. The gene knockdown technique developed in this study, involving the microinjection of CPP-conjugated antisense PNAs, provides a potent approach for in vivo gene manipulation of unculturable intracellular symbionts, offering valuable insights into their biology and interactions with hosts.
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Affiliation(s)
- Kathrine Xin Yee Tan
- Department of Basic Biology, School of Life Science, The Graduate University for Advanced Studies (SOKENDAI), 38 Nishigonaka, Myodaiji, Okazaki, Aichi, 444-8585, Japan
- Laboratory of Evolutionary Genomics, National Institute for Basic Biology, 38 Nishigonaka Myodaiji, Okazaki, Aichi, 444-8585, Japan
| | - Shuji Shigenobu
- Department of Basic Biology, School of Life Science, The Graduate University for Advanced Studies (SOKENDAI), 38 Nishigonaka, Myodaiji, Okazaki, Aichi, 444-8585, Japan.
- Laboratory of Evolutionary Genomics, National Institute for Basic Biology, 38 Nishigonaka Myodaiji, Okazaki, Aichi, 444-8585, Japan.
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Ali M, Kumari T, Gupta A, Akhtar S, Verma RD, Ghosh JK. Identification of a 10-mer peptide from the death domain of MyD88 which attenuates inflammation and insulin resistance and improves glucose metabolism. Biochem J 2024; 481:191-218. [PMID: 38224573 DOI: 10.1042/bcj20230369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 01/12/2024] [Accepted: 01/15/2024] [Indexed: 01/17/2024]
Abstract
Insulin resistance (IR) is the key pathophysiological cause of type 2 diabetes, and inflammation has been implicated in it. The death domain (DD) of the adaptor protein, MyD88 plays a crucial role in the transduction of TLR4-associated inflammatory signal. Herein, we have identified a 10-residue peptide (M10), from the DD of MyD88 which seems to be involved in Myddosome formation. We hypothesized that M10 could inhibit MyD88-dependent TLR4-signaling and might have effects on inflammation-associated IR. Intriguingly, 10-mer M10 showed oligomeric nature and reversible self-assembly property indicating the peptide's ability to recognize its own amino acid sequence. M10 inhibited LPS-induced nuclear translocation of NF-κB in L6 myotubes and also reduced LPS-induced IL-6 and TNF-α production in peritoneal macrophages of BALB/c mice. Remarkably, M10 inhibited IL-6 and TNF-α secretion in diabetic, db/db mice. Notably, M10 abrogated IR in insulin-resistant L6 myotubes, which was associated with an increase in glucose uptake and a decrease in Ser307-phosphorylation of IRS1, TNF-α-induced JNK activation and nuclear translocation of NF-κB in these cells. Alternate day dosing with M10 (10 and 20 mg/kg) for 30 days in db/db mice significantly lowered blood glucose and improved glucose intolerance after loading, 3.0 g/kg glucose orally. Furthermore, M10 increased insulin and adiponectin secretion in db/db mice. M10-induced glucose uptake in L6 myotubes involved the activation of PI3K/AKT/GLUT4 pathways. A scrambled M10-analog was mostly inactive. Overall, the results show the identification of a 10-mer peptide from the DD of MyD88 with anti-inflammatory and anti-diabetic properties, suggesting that targeting of TLR4-inflammatory pathway, could lead to the discovery of molecules against IR and diabetes.
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Affiliation(s)
- Mehmood Ali
- Biochemistry and Structural Biology Division, CSIR-Central Drug Research Institute, Lucknow 226 031 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002 India
| | - Tripti Kumari
- Biochemistry and Structural Biology Division, CSIR-Central Drug Research Institute, Lucknow 226 031 India
| | - Arvind Gupta
- Biochemistry and Structural Biology Division, CSIR-Central Drug Research Institute, Lucknow 226 031 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002 India
| | - Sariyah Akhtar
- Biochemistry and Structural Biology Division, CSIR-Central Drug Research Institute, Lucknow 226 031 India
| | - Rahul Dev Verma
- Biochemistry and Structural Biology Division, CSIR-Central Drug Research Institute, Lucknow 226 031 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002 India
| | - Jimut Kanti Ghosh
- Biochemistry and Structural Biology Division, CSIR-Central Drug Research Institute, Lucknow 226 031 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002 India
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10
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Ciobanasu C, Pernier J, Le Clainche C. Integrin Facilitates the Internalization of TAT Peptide Conjugated to RGD Motif in Model Lipid Membranes. Chembiochem 2024; 25:e202300642. [PMID: 37947251 DOI: 10.1002/cbic.202300642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/09/2023] [Accepted: 11/10/2023] [Indexed: 11/12/2023]
Abstract
In recent years, targeted drug delivery has attracted a great interest for enhanced therapeutic efficiency, with diminished side effects, especially in cancer therapy. Cell penetrating peptides (CPPs) like HIV1-TAT peptides, appear to be the perfect vectors for translocating drugs or other cargoes across the plasma membrane, but their application is limited mostly due to insufficient specificity for intended targets. Although these molecules were successfully used, the mechanism by which the peptides enter the cell interior still needs to be clarified. The tripeptide motif RGD (arginine-glycine-aspartate), found in extracellular matrix proteins has high affinity for integrin receptors overexpressed in cancer and it is involved in different phases of disease progression, including proliferation, invasion and migration. Discovery of new peptides with high binding affinity for disease receptors and permeability of plasma membranes is desirable for both, development of targeted drug delivery systems and early detection and diagnosis. To complement the TAT peptide with specific targeting ability, we conjugated it with an integrin-binding RGD motif. Although the idea of RGD-CPPs conjugates is not entirely new,[1] here we describe the permeability abilities and specificity of integrin receptors of RGD-TAT peptides in model membranes. Our findings reveal that this novel RGD sequence based on TAT peptide maintains its ability to permeate lipid membranes and exhibits specificity for integrin receptors embedded in giant unilamellar vesicles. This promising outcome suggests that the RGD-TAT peptide has significant potential for applications in the field of targeted drug delivery systems.
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Affiliation(s)
- Corina Ciobanasu
- Department of Exact and Natural Sciences Institute of Interdisciplinary Research, Alexandru I. Cuza University, Bulevardul Carol I, Nr. 11, 700506, Iasi, Romania
| | - Julien Pernier
- Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, CEA, CNRS, 91198, Gif-sur-Yvette, France
- Tumor Cell Dynamics Unit Inserm U1279 Gustave Roussy Institute, Université Paris-Saclay, Villejuif, 94800, France
| | - Christophe Le Clainche
- Institute for Integrative Biology of the Cell (I2BC), Université Paris-Saclay, CEA, CNRS, 91198, Gif-sur-Yvette, France
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11
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Diwan R, Bhatt HN, Beaven E, Nurunnabi M. Emerging delivery approaches for targeted pulmonary fibrosis treatment. Adv Drug Deliv Rev 2024; 204:115147. [PMID: 38065244 PMCID: PMC10787600 DOI: 10.1016/j.addr.2023.115147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 11/02/2023] [Accepted: 11/29/2023] [Indexed: 01/01/2024]
Abstract
Pulmonary fibrosis (PF) is a progressive, and life-threatening interstitial lung disease which causes scarring in the lung parenchyma and thereby affects architecture and functioning of lung. It is an irreversible damage to lung functioning which is related to epithelial cell injury, immense accumulation of immune cells and inflammatory cytokines, and irregular recruitment of extracellular matrix. The inflammatory cytokines trigger the differentiation of fibroblasts into activated fibroblasts, also known as myofibroblasts, which further increase the production and deposition of collagen at the injury sites in the lung. Despite the significant morbidity and mortality associated with PF, there is no available treatment that efficiently and effectively treats the disease by reversing their underlying pathologies. In recent years, many therapeutic regimens, for instance, rho kinase inhibitors, Smad signaling pathway inhibitors, p38, BCL-xL/ BCL-2 and JNK pathway inhibitors, have been found to be potent and effective in treating PF, in preclinical stages. However, due to non-selectivity and non-specificity, the therapeutic molecules also result in toxicity mediated severe side effects. Hence, this review demonstrates recent advances on PF pathology, mechanism and targets related to PF, development of various drug delivery systems based on small molecules, RNAs, oligonucleotides, peptides, antibodies, exosomes, and stem cells for the treatment of PF and the progress of various therapeutic treatments in clinical trials to advance PF treatment.
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Affiliation(s)
- Rimpy Diwan
- Department of Pharmaceutical Sciences, School of Pharmacy, The University of Texas El Paso, El Paso, TX 79902, United States; Department of Biomedical Engineering, College of Engineering, The University of Texas El Paso, El Paso, TX 79968, United States
| | - Himanshu N Bhatt
- Department of Pharmaceutical Sciences, School of Pharmacy, The University of Texas El Paso, El Paso, TX 79902, United States; Department of Biomedical Engineering, College of Engineering, The University of Texas El Paso, El Paso, TX 79968, United States
| | - Elfa Beaven
- Department of Pharmaceutical Sciences, School of Pharmacy, The University of Texas El Paso, El Paso, TX 79902, United States; Department of Biomedical Engineering, College of Engineering, The University of Texas El Paso, El Paso, TX 79968, United States
| | - Md Nurunnabi
- Department of Pharmaceutical Sciences, School of Pharmacy, The University of Texas El Paso, El Paso, TX 79902, United States; Department of Biomedical Engineering, College of Engineering, The University of Texas El Paso, El Paso, TX 79968, United States; The Border Biomedical Research Center, The University of Texas El Paso, El Paso, TX 79968, United States.
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12
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Li Z, Dang Q, Wang P, Zhao F, Huang J, Wang C, Liu X, Min W. Food-Derived Peptides: Beneficial CNS Effects and Cross-BBB Transmission Strategies. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:20453-20478. [PMID: 38085598 DOI: 10.1021/acs.jafc.3c06518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Food-derived peptides, as dietary supplements, have significant effects on promoting brain health and relieving central nervous system (CNS) diseases. However, the blood-brain barrier (BBB) greatly limits their in-brain bioavailability. Thus, overcoming the BBB to target the CNS is a major challenge for bioactive peptides in the prevention and treatment of CNS diseases. This review discusses improvement in the neuroprotective function of food-derived active peptides in CNS diseases, as well as the source of BBB penetrating peptides (BBB-shuttles) and the mechanism of transmembrane transport. Notably, this review also discusses various peptide modification methods to overcome the low permeability and stability of the BBB. Lipification, glycosylation, introduction of disulfide bonds, and cyclization are effective strategies for improving the penetration efficiency of peptides through the BBB. This review provides a new prospective for improving their neuroprotective function and developing treatments to delay or even prevent CNS diseases.
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Affiliation(s)
- Zehui Li
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
- College of Food Science and Engineering, Jilin Agricultural University, ChangChun, Jilin 130118, P.R. China
| | - Qiao Dang
- College of Food Science and Engineering, Jilin Agricultural University, ChangChun, Jilin 130118, P.R. China
| | - Peng Wang
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
| | - Fanrui Zhao
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P.R. China
| | - Jianqin Huang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P.R. China
| | - Chongchong Wang
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P.R. China
| | - Xingquan Liu
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
| | - Weihong Min
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P.R. China
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13
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Shaikh AY, Björkling F, Zabicka D, Tomczak M, Urbas M, Domraceva I, Kreicberga A, Franzyk H. Structure-activity study of oncocin: On-resin guanidinylation and incorporation of homoarginine, 4-hydroxyproline or 4,4-difluoroproline residues. Bioorg Chem 2023; 141:106876. [PMID: 37797458 DOI: 10.1016/j.bioorg.2023.106876] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/14/2023] [Accepted: 09/18/2023] [Indexed: 10/07/2023]
Abstract
Antimicrobial peptides (AMPs) often display guanidinium functionalities, and hence robust synthetic procedures are needed to facilitate access to analogues with unnatural homologues of arginine (Arg = R). Initially, a resin-bound Arg/Pro-rich fluoren-9-yl-methyloxycarbonyl-protected fragment (Fmoc-RPRPPR) of the AMP oncocin (i.e., VDKPPYLPRPRPPRRIYNR-NH2) was employed in a comparative on-resin assessment of commercial guanidinylation reagents head-to-head with the recently studied bis-Boc-protected triazole-based reagent, 1H-triazole-1-[N,N'-bis(tert-butoxycarbonyl)]-carboxamidine, which was synthesized by a chromatography-free procedure. This reagent was found to enable quantitative conversion in solid-phase peptide synthesis (SPPS) of peptides displaying homoarginine (Har) residues and/or an N-terminal guanidinium group. SPPS was used to obtain analogues of the 18-mer oncocin with single as well as multiple Arg → Har modifications. In addition, the effect of replacement of proline (Pro) residues in oncocin was explored by incorporating single or multiple trans-4-hydroxy-l-proline (Hyp) or 4,4-difluoro-l-proline (Dfp) residues, which both affected hydrophobicity. The resulting peptide library was tested against both Gram-negative and Gram-positive bacteria. Analysis of the minimal inhibitory concentrations (MICs) showed that analogues, displaying modifications at positions 4, 5 and 12 (originally Pro residues), had retained or slightly improved antimicrobial activity. Next, an oncocin analogue with two stabilizing l-Arg → d-Arg replacements in the C-terminal part was further modified by triple-replacement of Pro by either Dfp or Hyp in positions 4, 5, and 12. The resulting analogue displaying three Pro → Dfp modifications proved to possess the best activity profile: MICs of 1-2 µg/mL against E. coli and Klebsiella pneumoniae, less than 1% hemolysis at 800 µg/mL, and an IC50 above 1280 µg/mL in HepG2 cells. Thus, incorporation of bis-fluorinated Pro residues appears to constitute a novel tool in structure-activity studies aimed at optimization of Pro-rich AMPs.
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Affiliation(s)
- Ashif Y Shaikh
- Center for Peptide-Based Antibiotics, Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Jagtvej 162, DK-2100, Denmark; Department of Chemistry, Khalifa University, Abu Dhabi 127788, United Arab Emirates
| | - Fredrik Björkling
- Center for Peptide-Based Antibiotics, Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Jagtvej 162, DK-2100, Denmark
| | - Dorota Zabicka
- Department of Epidemiology and Clinical Microbiology, National Medicines Institute, ul. Chełmska 30/34, 00-725 Warsaw, Poland
| | - Magdalena Tomczak
- Department of Epidemiology and Clinical Microbiology, National Medicines Institute, ul. Chełmska 30/34, 00-725 Warsaw, Poland
| | - Malgorzata Urbas
- Department of Epidemiology and Clinical Microbiology, National Medicines Institute, ul. Chełmska 30/34, 00-725 Warsaw, Poland
| | - Ilona Domraceva
- Latvian Institute of Organic Synthesis, Aizkraukles 21, 1006 Riga, Latvia
| | - Agrita Kreicberga
- Latvian Institute of Organic Synthesis, Aizkraukles 21, 1006 Riga, Latvia
| | - Henrik Franzyk
- Center for Peptide-Based Antibiotics, Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Jagtvej 162, DK-2100, Denmark.
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14
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Kravchenko SV, Domnin PA, Grishin SY, Vershinin NA, Gurina EV, Zakharova AA, Azev VN, Mustaeva LG, Gorbunova EY, Kobyakova MI, Surin AK, Fadeev RS, Ostroumova OS, Ermolaeva SA, Galzitskaya OV. Enhancing the Antimicrobial Properties of Peptides through Cell-Penetrating Peptide Conjugation: A Comprehensive Assessment. Int J Mol Sci 2023; 24:16723. [PMID: 38069046 PMCID: PMC10706425 DOI: 10.3390/ijms242316723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 11/19/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
Combining antimicrobial peptides (AMPs) with cell-penetrating peptides (CPPs) has shown promise in boosting antimicrobial potency, especially against Gram-negative bacteria. We examined the CPP-AMP interaction with distinct bacterial types based on cell wall differences. Our investigation focused on AMPs incorporating penetratin CPP and dihybrid peptides containing both cell-penetrating TAT protein fragments from the human immunodeficiency virus and Antennapedia peptide (Antp). Assessment of the peptides TAT-AMP, AMP-Antp, and TAT-AMP-Antp revealed their potential against Gram-positive strains (Staphylococcus aureus, Methicillin-resistant Staphylococcus aureus (MRSA), and Bacillus cereus). Peptides TAT-AMP and AMP-Antp using an amyloidogenic AMP from S1 ribosomal protein Thermus thermophilus, at concentrations ranging from 3 to 12 μM, exhibited enhanced antimicrobial activity against B. cereus. TAT-AMP and TAT-AMP-Antp, using an amyloidogenic AMP from the S1 ribosomal protein Pseudomonas aeruginosa, at a concentration of 12 µM, demonstrated potent antimicrobial activity against S. aureus and MRSA. Notably, the TAT-AMP, at a concentration of 12 µM, effectively inhibited Escherichia coli (E. coli) growth and displayed antimicrobial effects similar to gentamicin after 15 h of incubation. Peptide characteristics determined antimicrobial activity against diverse strains. The study highlights the intricate relationship between peptide properties and antimicrobial potential. Mechanisms of AMP action are closely tied to bacterial cell wall attributes. Peptides with the TAT fragment exhibited enhanced antimicrobial activity against S. aureus, MRSA, and P. aeruginosa. Peptides containing only the Antp fragment displayed lower activity. None of the investigated peptides demonstrated cytotoxic or cytostatic effects on either BT-474 cells or human skin fibroblasts. In conclusion, CPP-AMPs offer promise against various bacterial strains, offering insights for targeted antimicrobial development.
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Affiliation(s)
- Sergey V. Kravchenko
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, 625003 Tyumen, Russia; (S.V.K.); (S.Y.G.); (N.A.V.); (E.V.G.)
| | - Pavel A. Domnin
- Biology Faculty, Lomonosov Moscow State University, 119991 Moscow, Russia;
- Gamaleya Research Centre of Epidemiology and Microbiology, 123098 Moscow, Russia;
| | - Sergei Y. Grishin
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, 625003 Tyumen, Russia; (S.V.K.); (S.Y.G.); (N.A.V.); (E.V.G.)
- Institute of Protein Research, Russian Academy of Sciences, 142290 Pushchino, Russia;
| | - Nikita A. Vershinin
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, 625003 Tyumen, Russia; (S.V.K.); (S.Y.G.); (N.A.V.); (E.V.G.)
| | - Elena V. Gurina
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, 625003 Tyumen, Russia; (S.V.K.); (S.Y.G.); (N.A.V.); (E.V.G.)
| | - Anastasiia A. Zakharova
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia; (A.A.Z.); (O.S.O.)
| | - Viacheslav N. Azev
- The Branch of the Institute of Bioorganic Chemistry, Russian Academy of Sciences, 142290 Pushchino, Russia; (V.N.A.); (L.G.M.); (E.Y.G.)
| | - Leila G. Mustaeva
- The Branch of the Institute of Bioorganic Chemistry, Russian Academy of Sciences, 142290 Pushchino, Russia; (V.N.A.); (L.G.M.); (E.Y.G.)
| | - Elena Y. Gorbunova
- The Branch of the Institute of Bioorganic Chemistry, Russian Academy of Sciences, 142290 Pushchino, Russia; (V.N.A.); (L.G.M.); (E.Y.G.)
| | - Margarita I. Kobyakova
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia; (M.I.K.); (R.S.F.)
- Research Institute of Clinical and Experimental Lymphology—Branch of the Institute of Cytology and Genetics Siberian Branch of Russian Academy of Sciences, 630060 Novosibirsk, Russia
| | - Alexey K. Surin
- Institute of Protein Research, Russian Academy of Sciences, 142290 Pushchino, Russia;
- The Branch of the Institute of Bioorganic Chemistry, Russian Academy of Sciences, 142290 Pushchino, Russia; (V.N.A.); (L.G.M.); (E.Y.G.)
- State Research Center for Applied Microbiology and Biotechnology, 142279 Obolensk, Russia
| | - Roman S. Fadeev
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia; (M.I.K.); (R.S.F.)
| | - Olga S. Ostroumova
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia; (A.A.Z.); (O.S.O.)
| | | | - Oxana V. Galzitskaya
- Institute of Protein Research, Russian Academy of Sciences, 142290 Pushchino, Russia;
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia; (M.I.K.); (R.S.F.)
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15
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Takechi-Haraya Y, Ohgita T, Usui A, Nishitsuji K, Uchimura K, Abe Y, Kawano R, Konaklieva MI, Reimund M, Remaley AT, Sato Y, Izutsu KI, Saito H. Structural flexibility of apolipoprotein E-derived arginine-rich peptides improves their cell penetration capability. Sci Rep 2023; 13:19396. [PMID: 37938626 PMCID: PMC10632520 DOI: 10.1038/s41598-023-46754-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 11/04/2023] [Indexed: 11/09/2023] Open
Abstract
Amphipathic arginine-rich peptide, A2-17, exhibits moderate perturbation of lipid membranes and the highest cell penetration among its structural isomers. We investigated the direct cell-membrane penetration mechanism of the A2-17 peptide while focusing on structural flexibility. We designed conformationally constrained versions of A2-17, stapled (StpA2-17) and stitched (StchA2-17), whose α-helical conformations were stabilized by chemical crosslinking. Circular dichroism confirmed that StpA2-17 and StchA2-17 had higher α-helix content than A2-17 in aqueous solution. Upon liposome binding, only A2-17 exhibited a coil-to-helix transition. Confocal microscopy revealed that A2-17 had higher cell penetration efficiency than StpA2-17, whereas StchA2-17 remained on the cell membrane without cell penetration. Although the tryptophan fluorescence analysis suggested that A2-17 and its analogs had similar membrane-insertion positions between the interface and hydrophobic core, StchA2-17 exhibited a higher membrane affinity than A2-17 or StpA2-17. Atomic force microscopy demonstrated that A2-17 reduced the mechanical rigidity of liposomes to a greater extent than StpA2-17 and StchA2-17. Finally, electrophysiological analysis showed that A2-17 induced a higher charge influx through transient pores in a planer lipid bilayer than StpA2-17 and StchA2-17. These findings indicate that structural flexibility, which enables diverse conformations of A2-17, leads to a membrane perturbation mode that contributes to cell membrane penetration.
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Affiliation(s)
- Yuki Takechi-Haraya
- Division of Drugs, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, 210-9501, Japan.
| | - Takashi Ohgita
- Center for Instrumental Analysis, Kyoto Pharmaceutical University, 1 Misasagi-Shichono-cho, Yamashina-ku, Kyoto, 607-8412, Japan
| | - Akiko Usui
- Division of Drugs, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, 210-9501, Japan
| | - Kazuchika Nishitsuji
- Department of Biochemistry, Wakayama Medical University, 811-1 Kimiidera, Wakayama, 641-8509, Japan
- Unité de Glycobiologie Structurale et Fonctionnelle, UMR 8576 CNRS, Université de Lille, 59655, Villeneuve d'Ascq, France
| | - Kenji Uchimura
- Unité de Glycobiologie Structurale et Fonctionnelle, UMR 8576 CNRS, Université de Lille, 59655, Villeneuve d'Ascq, France
| | - Yasuhiro Abe
- Division of Drugs, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, 210-9501, Japan
| | - Ryuji Kawano
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-6 Naka-cho, Koganei, Tokyo, 184-8588, Japan
| | - Monika I Konaklieva
- Department of Chemistry, American University, 4400 Massachusetts Avenue NW, Washington, DC, 20016-8014, USA
| | - Mart Reimund
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Alan T Remaley
- Lipoprotein Metabolism Laboratory, Translational Vascular Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Yoji Sato
- Division of Drugs, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, 210-9501, Japan
| | - Ken-Ichi Izutsu
- School of Pharmacy Department of Pharmaceutical Sciences, International University of Health and Welfare, 2600-1 Kitakanemaru, Otawara, Tochigi, 324-8501, Japan
| | - Hiroyuki Saito
- Department of Biophysical Chemistry, Kyoto Pharmaceutical University, 5 Misasagi-Nakauchi-cho, Yamashina-ku, Kyoto, 607-8414, Japan
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16
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Alfei S. Cationic Materials for Gene Therapy: A Look Back to the Birth and Development of 2,2-Bis-(hydroxymethyl)Propanoic Acid-Based Dendrimer Scaffolds. Int J Mol Sci 2023; 24:16006. [PMID: 37958989 PMCID: PMC10649874 DOI: 10.3390/ijms242116006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023] Open
Abstract
Gene therapy is extensively studied as a realistic and promising therapeutic approach for treating inherited and acquired diseases by repairing defective genes through introducing (transfection) the "healthy" genetic material in the diseased cells. To succeed, the proper DNA or RNA fragments need efficient vectors, and viruses are endowed with excellent transfection efficiency and have been extensively exploited. Due to several drawbacks related to their use, nonviral cationic materials, including lipidic, polymeric, and dendrimer vectors capable of electrostatically interacting with anionic phosphate groups of genetic material, represent appealing alternative options to viral carriers. Particularly, dendrimers are highly branched, nanosized synthetic polymers characterized by a globular structure, low polydispersity index, presence of internal cavities, and a large number of peripheral functional groups exploitable to bind cationic moieties. Dendrimers are successful in several biomedical applications and are currently extensively studied for nonviral gene delivery. Among dendrimers, those derived by 2,2-bis(hydroxymethyl)propanoic acid (b-HMPA), having, unlike PAMAMs, a neutral polyester-based scaffold, could be particularly good-looking due to their degradability in vivo. Here, an overview of gene therapy, its objectives and challenges, and the main cationic materials studied for transporting and delivering genetic materials have been reported. Subsequently, due to their high potential for application in vivo, we have focused on the biodegradable dendrimer scaffolds, telling the history of the birth and development of b-HMPA-derived dendrimers. Finally, thanks to a personal experience in the synthesis of b-HMPA-based dendrimers, our contribution to this field has been described. In particular, we have enriched this work by reporting about the b-HMPA-based derivatives peripherally functionalized with amino acids prepared by us in recent years, thus rendering this paper original and different from the existing reviews.
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Affiliation(s)
- Silvana Alfei
- Department of Pharmacy, University of Genoa, Viale Cembrano 4, 16148 Genova, Italy
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17
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You H, Li J, Li Y, Wang W, Yu Z, Liu J, Liu X, Ding L. Absorption of egg white hydrolysate in the intestine: Clathrin-dependent endocytosis as the main transport route. Food Res Int 2023; 173:113480. [PMID: 37803802 DOI: 10.1016/j.foodres.2023.113480] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/20/2023] [Accepted: 09/13/2023] [Indexed: 10/08/2023]
Abstract
This paper aimed to investigate the in vivo absorption of egg white hydrolysate (EWH) in rats and the transport route across the intestinal epithelium. Results showed that the level of plasma peptide-bound amino acid (PAA) of the EWH-supplemented rats (EWH-R) was determined to be 2012.18 ± 300.98 μmol/L, 10.72% higher than that of the control group, and was significantly positively correlated to that of EWH. Thirty-three egg white-derived peptides were successfully identified from the plasma of EWH-R, and 20 of them were found in both EWH-R plasma and EWH, indicating that these peptides tend to be absorbed through the intestinal epithelium in intact forms into the blood circulation. In addition, 637 up-regulated and 577 down-regulated genes in Caco-2 cells incubated with EWH were detected by RNA-sequencing and the clathrin-dependent endocytosis was the most enriched pathway in KEGG analysis. EWH significantly increased the mRNA levels of the key genes involved in the clathrin-dependent endocytosis but these changes would be inhibited by the clathrin-dependent endocytosis inhibitor of chlorpromazine. Moreover, the transepithelial transport of EWH across Caco-2 cell monolayers was significantly reduced by chlorpromazine. This study provided molecular-level evidence for the first time that clathrin-dependent endocytosis might be the main transport route of EWH in the intestinal epithelium.
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Affiliation(s)
- Haixi You
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, PR China
| | - Juanrui Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, PR China
| | - Yiju Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, PR China
| | - Wei Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, PR China
| | - Zhipeng Yu
- College of Food Science and Engineering, Hainan University, Haikou 570228, PR China
| | - Jingbo Liu
- College of Food Science and Engineering, Jilin University, Changchun 130062, PR China
| | - Xuebo Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, PR China
| | - Long Ding
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, PR China.
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18
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Abraham CB, Xu L, Pantelopulos GA, Straub JE. Characterizing the transmembrane domains of ADAM10 and BACE1 and the impact of membrane composition. Biophys J 2023; 122:3999-4010. [PMID: 37658602 PMCID: PMC10560698 DOI: 10.1016/j.bpj.2023.08.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 07/14/2023] [Accepted: 08/29/2023] [Indexed: 09/03/2023] Open
Abstract
The β-secretase, BACE1, and the α-secretase, ADAM10, are known to competitively cleave amyloid precursor protein (APP) in the amyloid cascades of Alzheimer's disease. Cleavage of APP by BACE1 produces a 99-residue C-terminal peptide (APP-C99) that is subsequently cleaved by γ-secretase to form amyloid-β (Aβ) protein, whereas cleavage of APP by ADAM10 is nonamyloidogenic. It has been speculated that ADAM10/APP and BACE1/APP interactions are regulated by colocalization within and outside of liquid-ordered membrane domains; however, the mechanism of this regulation and the character of the proteins' transmembrane domains are not well understood. In this work, we have developed and characterized minimal congener sequences for the transmembrane domains of ADAM10 and BACE1 using a multiscale modeling approach combining both temperature replica exchange and conventional molecular dynamics simulations based on the coarse-grained Martini2.2 and all-atom CHARMM36 force fields. Our results show that membrane composition impacts the character of the transmembrane domains of BACE1 and ADAM10, adding credence to the speculation that membrane domains are involved in the etiology of Alzheimer's disease.
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Affiliation(s)
- Conor B Abraham
- Department of Chemistry, Boston University, Boston, Massachusetts
| | - Lin Xu
- Department of Chemistry, Boston University, Boston, Massachusetts
| | - George A Pantelopulos
- Department of Chemistry, Boston University, Boston, Massachusetts; Laboratory of Chemical Physics, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland
| | - John E Straub
- Department of Chemistry, Boston University, Boston, Massachusetts.
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19
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Velázquez J, Rodríguez-Cornejo T, Rodríguez-Ramos T, Pérez-Rodríguez G, Rivera L, Campbell JH, Al-Hussinee L, Carpio Y, Estrada MP, Dixon B. New Evidence for the Role of Pituitary Adenylate Cyclase-Activating Polypeptide as an Antimicrobial Peptide in Teleost Fish. Antibiotics (Basel) 2023; 12:1484. [PMID: 37887185 PMCID: PMC10604671 DOI: 10.3390/antibiotics12101484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/21/2023] [Accepted: 09/23/2023] [Indexed: 10/28/2023] Open
Abstract
Pituitary Adenylate Cyclase-Activating Polypeptide (PACAP) is a multifunctional neuropeptide that is widely distributed and conserved across species. We have previously shown that in teleost fish, PACAP not only possesses direct antimicrobial properties but also immunomodulatory effects against the bacterial pathogens Flavobacterium psychrophilum and Pseudomonas aeruginosa using in vitro and in vivo experiments. These previous results suggest PACAP can be used as an alternative to antibiotics to prevent and/or treat bacterial infections in the aquaculture industry. To accomplish this goal, more studies are needed to better understand the effect of PACAP on pathogens affecting fish in live infections. In the present study, the transcripts PACAP, PRP/PACAP, and VPAC2 receptor were examined in rainbow trout (Oncorhynchus mykiss) naturally infected with Yersinia ruckeri, which exhibited an increase in their expression in the spleen when compared to healthy fish. Synthetic Clarias gariepinus PACAP-38 has direct antimicrobial activity on Y. ruckeri and inhibits up to 60% of the bacterial growth when the peptide is at concentrations between 50 and 100 µM in TSB. The growth inhibition increased up to 90% in the presence of 12.5 µM of PACAP-38 when salt-free LB broth was used instead of TSB. It was also found to inhibit Y. ruckeri growth in a dose-dependent manner when the rainbow trout monocyte/macrophage-like cell line (RTS11) was pre-treated with lower concentrations of the peptide (0.02 and 0.1 µM) before going through infection. Differential gene expression was analyzed in this in vitro model. Overall, the results revealed new evidence to support the role of PACAP as an antimicrobial and immunomodulatory peptide treatment in teleosts.
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Affiliation(s)
- Janet Velázquez
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology (CIGB), P.O. Box 6162, Havana 10600, Cuba; (J.V.); (G.P.-R.)
| | - Tania Rodríguez-Cornejo
- Department of Biology, University of Waterloo, 200 University Ave W., Waterloo, ON N2L 3G1, Canada; (T.R.-C.); (T.R.-R.); (L.R.); (J.H.C.); (L.A.-H.)
| | - Tania Rodríguez-Ramos
- Department of Biology, University of Waterloo, 200 University Ave W., Waterloo, ON N2L 3G1, Canada; (T.R.-C.); (T.R.-R.); (L.R.); (J.H.C.); (L.A.-H.)
| | - Geysi Pérez-Rodríguez
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology (CIGB), P.O. Box 6162, Havana 10600, Cuba; (J.V.); (G.P.-R.)
| | - Laura Rivera
- Department of Biology, University of Waterloo, 200 University Ave W., Waterloo, ON N2L 3G1, Canada; (T.R.-C.); (T.R.-R.); (L.R.); (J.H.C.); (L.A.-H.)
| | - James Hugh Campbell
- Department of Biology, University of Waterloo, 200 University Ave W., Waterloo, ON N2L 3G1, Canada; (T.R.-C.); (T.R.-R.); (L.R.); (J.H.C.); (L.A.-H.)
| | - Lowia Al-Hussinee
- Department of Biology, University of Waterloo, 200 University Ave W., Waterloo, ON N2L 3G1, Canada; (T.R.-C.); (T.R.-R.); (L.R.); (J.H.C.); (L.A.-H.)
| | - Yamila Carpio
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology (CIGB), P.O. Box 6162, Havana 10600, Cuba; (J.V.); (G.P.-R.)
| | - Mario Pablo Estrada
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology (CIGB), P.O. Box 6162, Havana 10600, Cuba; (J.V.); (G.P.-R.)
| | - Brian Dixon
- Department of Biology, University of Waterloo, 200 University Ave W., Waterloo, ON N2L 3G1, Canada; (T.R.-C.); (T.R.-R.); (L.R.); (J.H.C.); (L.A.-H.)
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20
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Gori A, Lodigiani G, Colombarolli SG, Bergamaschi G, Vitali A. Cell Penetrating Peptides: Classification, Mechanisms, Methods of Study, and Applications. ChemMedChem 2023; 18:e202300236. [PMID: 37389978 DOI: 10.1002/cmdc.202300236] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/28/2023] [Accepted: 06/28/2023] [Indexed: 07/02/2023]
Abstract
Cell-penetrating peptides (CPPs) encompass a class of peptides that possess the remarkable ability to cross cell membranes and deliver various types of cargoes, including drugs, nucleic acids, and proteins, into cells. For this reason, CPPs are largely investigated in drug delivery applications in the context of many diseases, such as cancer, diabetes, and genetic disorders. While sharing this functionality and some common structural features, such as a high content of positively charged amino acids, CPPs represent an extremely diverse group of elements, which can differentiate under many aspects. In this review, we summarize the most common characteristics of CPPs, introduce their main distinctive features, mechanistic aspects that drive their function, and outline the most widely used techniques for their structural and functional studies. We highlight current gaps and future perspectives in this field, which have the potential to significantly impact the future field of drug delivery and therapeutics.
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Affiliation(s)
- Alessandro Gori
- SCITEC - Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", National Research Council of Italy, Via Mario Bianco 9, 20131, Milano, Italy
| | - Giulia Lodigiani
- SCITEC - Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", National Research Council of Italy, Via Mario Bianco 9, 20131, Milano, Italy
| | - Stella G Colombarolli
- Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", National Research Council of Italy, L.go F. Vito 1, 00168, Roma, Italy
| | - Greta Bergamaschi
- SCITEC - Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", National Research Council of Italy, Via Mario Bianco 9, 20131, Milano, Italy
| | - Alberto Vitali
- Istituto di Scienze e Tecnologie Chimiche "Giulio Natta", National Research Council of Italy, L.go F. Vito 1, 00168, Roma, Italy
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21
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Chen W, Ruan M, Zou M, Liu F, Liu H. Clinical Significance of Non-Coding RNA Regulation of Programmed Cell Death in Hepatocellular Carcinoma. Cancers (Basel) 2023; 15:4187. [PMID: 37627215 PMCID: PMC10452865 DOI: 10.3390/cancers15164187] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/02/2023] [Accepted: 08/11/2023] [Indexed: 08/27/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is a widely prevalent and malignantly progressive tumor. Most patients are typically diagnosed with HCC at an advanced stage, posing significant challenges in the execution of curative surgical interventions. Non-coding RNAs (ncRNAs) represent a distinct category of RNA molecules not directly involved in protein synthesis. However, they possess the remarkable ability to regulate gene expression, thereby exerting significant regulatory control over cellular processes. Notably, ncRNAs have been implicated in the modulation of programmed cell death (PCD), a crucial mechanism that various therapeutic agents target in the fight against HCC. This review summarizes the clinical significance of ncRNA regulation of PCD in HCC, including patient diagnosis, prognosis, drug resistance, and side effects. The aim of this study is to provide new insights and directions for the diagnosis and drug treatment strategies of HCC.
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Affiliation(s)
| | | | | | - Fuchen Liu
- The Third Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital, Naval Medical University, Shanghai 200438, China; (W.C.); (M.R.)
| | - Hui Liu
- The Third Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital, Naval Medical University, Shanghai 200438, China; (W.C.); (M.R.)
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22
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Lee TH, Checco JW, Malcolm T, Eller CH, Raines RT, Gellman SH, Lee EF, Fairlie WD, Aguilar MI. Differential membrane binding of α/β-peptide foldamers: implications for cellular delivery and mitochondrial targeting. Aust J Chem 2023; 76:482-492. [PMID: 37780415 PMCID: PMC10540276 DOI: 10.1071/ch23063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
The intrinsic pathway of apoptosis is regulated by the Bcl-2 family of proteins. Inhibition of the anti-apoptotic members represents a strategy to induce apoptotic cell death in cancer cells. We have measured the membrane binding properties of a series of peptides, including modified α/β-peptides, designed to exhibit enhanced membrane permeability to allow cell entry and improved access for engagement of Bcl-2 family members. The peptide cargo is based on the pro-apoptotic protein Bim, which interacts with all anti-apoptotic proteins to initiate apoptosis. The α/β-peptides contained cyclic β-amino acid residues designed to increase their stability and membrane-permeability. Dual polarisation interferometry was used to study the binding of each peptide to two different model membrane systems designed to mimic either the plasma membrane or the outer mitochondrial membrane. The impact of each peptide on the model membrane structure was also investigated, and the results demonstrated that the modified peptides had increased affinity for the mitochondrial membrane and significantly altered the structure of the bilayer. The results also showed that the presence of an RRR motif significantly enhanced the ability of the peptides to bind to and insert into the mitochondrial membrane mimic, and provide insights into the role of selective membrane targeting of peptides.
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Affiliation(s)
- Tzong-Hsien Lee
- Department of Biochemistry & Molecular Biology, Monash University, Clayton Vic, 3800, Australia
| | - James W Checco
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
- Current address: Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
- Current address: The Nebraska Center for Integrated Biomolecular Communication (NCIBC), University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
| | - Tess Malcolm
- Department of Biochemistry & Molecular Biology, Monash University, Clayton Vic, 3800, Australia
- Current address: School of Chemistry, University of Melbourne, Parkville, Vic 3052, Australia
| | - Chelcie H Eller
- Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Ronald T Raines
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
- Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Samuel H Gellman
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Erinna F Lee
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria 3086, Australia
- Cell Death and Survival Laboratory, Olivia Newton-John Cancer Research Institute, Heidelberg, Victoria 3084, Australia
- School of Cancer Medicine, La Trobe University, Melbourne, Victoria 3086, Australia
| | - W Douglas Fairlie
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria 3086, Australia
- Cell Death and Survival Laboratory, Olivia Newton-John Cancer Research Institute, Heidelberg, Victoria 3084, Australia
- School of Cancer Medicine, La Trobe University, Melbourne, Victoria 3086, Australia
| | - Marie-Isabel Aguilar
- Department of Biochemistry & Molecular Biology, Monash University, Clayton Vic, 3800, Australia
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23
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Povilaitis SC, Webb LJ. Leaflet-Dependent Effect of Anionic Lipids on Membrane Insertion by Cationic Cell-Penetrating Peptides. J Phys Chem Lett 2023; 14:5841-5849. [PMID: 37339513 PMCID: PMC10478718 DOI: 10.1021/acs.jpclett.3c00725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2023]
Abstract
Cationic membrane-permeating peptides can cross membranes unassisted by transmembrane protein machinery, and there is consensus that anionic lipids facilitate this process. Although membranes are asymmetric in lipid composition, investigations of the impact of anionic lipids on peptide-membrane insertion in model vesicles primarily use symmetric anionic lipid distributions between bilayer leaflets. Here, we investigate the leaflet-specific influence of three anionic lipid headgroups [phosphatidic acid (PA), phosphatidylserine (PS), and phosphatidylglycerol (PG)] on insertion into model membranes by three cationic membrane-permeating peptides (NAF-144-67, R6W3, and WWWK). We report that outer leaflet anionic lipids enhanced peptide-membrane insertion for all peptides while inner leaflet anionic lipids did not have a significant effect except in the case of NAF-144-67 incubated with PA-containing vesicles. The insertion enhancement was headgroup-dependent for arginine-containing peptides but not WWWK. These results provide significant new insight into the potential role of membrane asymmetry in insertion of peptides into model membranes.
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Affiliation(s)
- Sydney C Povilaitis
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Lauren J Webb
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
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24
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Zakany F, Mándity IM, Varga Z, Panyi G, Nagy P, Kovacs T. Effect of the Lipid Landscape on the Efficacy of Cell-Penetrating Peptides. Cells 2023; 12:1700. [PMID: 37443733 PMCID: PMC10340183 DOI: 10.3390/cells12131700] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/16/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Every cell biological textbook teaches us that the main role of the plasma membrane is to separate cells from their neighborhood to allow for a controlled composition of the intracellular space. The mostly hydrophobic nature of the cell membrane presents an impenetrable barrier for most hydrophilic molecules larger than 1 kDa. On the other hand, cell-penetrating peptides (CPPs) are capable of traversing this barrier without compromising membrane integrity, and they can do so on their own or coupled to cargos. Coupling biologically and medically relevant cargos to CPPs holds great promise of delivering membrane-impermeable drugs into cells. If the cargo is able to interact with certain cell types, uptake of the CPP-drug complex can be tailored to be cell-type-specific. Besides outlining the major membrane penetration pathways of CPPs, this review is aimed at deciphering how properties of the membrane influence the uptake mechanisms of CPPs. By summarizing an extensive body of experimental evidence, we argue that a more ordered, less flexible membrane structure, often present in the very diseases planned to be treated with CPPs, decreases their cellular uptake. These correlations are not only relevant for understanding the cellular biology of CPPs, but also for rationally improving their value in translational or clinical applications.
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Affiliation(s)
- Florina Zakany
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (F.Z.); (Z.V.); (G.P.)
| | - István M. Mándity
- Department of Organic Chemistry, Faculty of Pharmacy, Semmelweis University, 1085 Budapest, Hungary;
- TTK Lendület Artificial Transporter Research Group, Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, 1117 Budapest, Hungary
| | - Zoltan Varga
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (F.Z.); (Z.V.); (G.P.)
| | - Gyorgy Panyi
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (F.Z.); (Z.V.); (G.P.)
| | - Peter Nagy
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (F.Z.); (Z.V.); (G.P.)
| | - Tamas Kovacs
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (F.Z.); (Z.V.); (G.P.)
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25
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Wei Y, He T, Bi Q, Yang H, Hu X, Jin R, Liang H, Zhu Y, Tong R, Nie Y. A cationic lipid with advanced membrane fusion performance for pDNA and mRNA delivery. J Mater Chem B 2023; 11:2095-2107. [PMID: 36810919 DOI: 10.1039/d2tb02783f] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The success of mRNA vaccines for COVID-19 prevention raised global awareness of the importance of nucleic acid drugs. The approved systems for nucleic acid delivery were mainly formulations of different lipids, yielding lipid nanoparticles (LNPs) with complex internal structures. Due to the multiple components, the relationship between the structure of each component and the overall biological activity of LNPs is hard to study. However, ionizable lipids have been extensively explored. In contrast to former studies on the optimization of hydrophilic parts in single-component self-assemblies, we report in this study on structural alterations of the hydrophobic segment. We synthesize a library of amphiphilic cationic lipids by varying the lengths (C = 8-18), numbers (N = 2, 4), and unsaturation degrees (Ω = 0, 1) of hydrophobic tails. Notably, all self-assemblies with nucleic acid have significant differences in particle size, stability in serum, membrane fusion, and fluidity. Moreover, the novel mRNA/pDNA formulations are characterized by overall low cytotoxicity, efficient compaction, protection, and release of nucleic acids. We find that the length of hydrophobic tails dominates the formation and stability of the assembly. And at a certain length, the unsaturated hydrophobic tails enhance the membrane fusion and fluidity of assemblies and thus significantly affect the transgene expression, followed by the number of hydrophobic tails.
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Affiliation(s)
- Yu Wei
- National Engineering Research Center for Biomaterials/College of Biomedical Engineering, Sichuan University, Chengdu 610064, China.
| | - Ting He
- National Engineering Research Center for Biomaterials/College of Biomedical Engineering, Sichuan University, Chengdu 610064, China.
| | - Qunjie Bi
- National Engineering Research Center for Biomaterials/College of Biomedical Engineering, Sichuan University, Chengdu 610064, China.
| | - Huan Yang
- National Engineering Research Center for Biomaterials/College of Biomedical Engineering, Sichuan University, Chengdu 610064, China.
| | - Xueyi Hu
- National Engineering Research Center for Biomaterials/College of Biomedical Engineering, Sichuan University, Chengdu 610064, China.
| | - Rongrong Jin
- National Engineering Research Center for Biomaterials/College of Biomedical Engineering, Sichuan University, Chengdu 610064, China.
| | - Hong Liang
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China. .,Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Yongqun Zhu
- Life Sciences Institute and Innovation Center for Cell Signaling Network, Zhejiang University, Hangzhou 310058, China
| | - Rongsheng Tong
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China. .,Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Yu Nie
- National Engineering Research Center for Biomaterials/College of Biomedical Engineering, Sichuan University, Chengdu 610064, China.
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26
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Laniel A, Marouseau É, Nguyen DT, Froehlich U, McCartney C, Boudreault PL, Lavoie C. Characterization of PGua 4, a Guanidinium-Rich Peptoid that Delivers IgGs to the Cytosol via Macropinocytosis. Mol Pharm 2023; 20:1577-1590. [PMID: 36781165 PMCID: PMC9997486 DOI: 10.1021/acs.molpharmaceut.2c00783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 01/19/2023] [Accepted: 01/19/2023] [Indexed: 02/15/2023]
Abstract
To investigate the structure-cellular penetration relationship of guanidinium-rich transporters (GRTs), we previously designed PGua4, a five-amino acid peptoid containing a conformationally restricted pattern of eight guanidines, which showed high cell-penetrating abilities and low cell toxicity. Herein, we characterized the cellular uptake selectivity, internalization pathway, and intracellular distribution of PGua4, as well as its capacity to deliver cargo. PGua4 exhibits higher penetration efficiency in HeLa cells than in six other cell lines (A549, Caco-2, fibroblast, HEK293, Mia-PaCa2, and MCF7) and is mainly internalized by clathrin-mediated endocytosis and macropinocytosis. Confocal microscopy showed that it remained trapped in endosomes at low concentrations but induced pH-dependent endosomal membrane destabilization at concentrations ≥10 μM, allowing its diffusion into the cytoplasm. Importantly, PGua4 significantly enhanced macropinocytosis and the cellular uptake and cytosolic delivery of large IgGs following noncovalent complexation. Therefore, in addition to its peptoid nature conferring high resistance to proteolysis, PGua4 presents characteristics of a promising tool for IgG delivery and therapeutic applications.
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Affiliation(s)
- Andréanne Laniel
- Institut de Pharmacologie
de Sherbrooke, Department of Pharmacology and Physiology, Faculty
of Medicine and Health Sciences, Université
de Sherbrooke, Sherbrooke, Quebec J1H 5N4, Canada
| | - Étienne Marouseau
- Institut de Pharmacologie
de Sherbrooke, Department of Pharmacology and Physiology, Faculty
of Medicine and Health Sciences, Université
de Sherbrooke, Sherbrooke, Quebec J1H 5N4, Canada
| | - Duc Tai Nguyen
- Institut de Pharmacologie
de Sherbrooke, Department of Pharmacology and Physiology, Faculty
of Medicine and Health Sciences, Université
de Sherbrooke, Sherbrooke, Quebec J1H 5N4, Canada
| | - Ulrike Froehlich
- Institut de Pharmacologie
de Sherbrooke, Department of Pharmacology and Physiology, Faculty
of Medicine and Health Sciences, Université
de Sherbrooke, Sherbrooke, Quebec J1H 5N4, Canada
| | - Claire McCartney
- Institut de Pharmacologie
de Sherbrooke, Department of Pharmacology and Physiology, Faculty
of Medicine and Health Sciences, Université
de Sherbrooke, Sherbrooke, Quebec J1H 5N4, Canada
| | - Pierre-Luc Boudreault
- Institut de Pharmacologie
de Sherbrooke, Department of Pharmacology and Physiology, Faculty
of Medicine and Health Sciences, Université
de Sherbrooke, Sherbrooke, Quebec J1H 5N4, Canada
| | - Christine Lavoie
- Institut de Pharmacologie
de Sherbrooke, Department of Pharmacology and Physiology, Faculty
of Medicine and Health Sciences, Université
de Sherbrooke, Sherbrooke, Quebec J1H 5N4, Canada
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27
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Chen S, Pounraj S, Sivakumaran N, Kakkanat A, Sam G, Kabir MT, Rehm BHA. Precision-engineering of subunit vaccine particles for prevention of infectious diseases. Front Immunol 2023; 14:1131057. [PMID: 36817419 PMCID: PMC9935699 DOI: 10.3389/fimmu.2023.1131057] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 01/23/2023] [Indexed: 02/05/2023] Open
Abstract
Vaccines remain the best approach for the prevention of infectious diseases. Protein subunit vaccines are safe compared to live-attenuated whole cell vaccines but often show reduced immunogenicity. Subunit vaccines in particulate format show improved vaccine efficacy by inducing strong immune responses leading to protective immunity against the respective pathogens. Antigens with proper conformation and function are often required to induce functional immune responses. Production of such antigens requiring post-translational modifications and/or composed of multiple complex domains in bacterial hosts remains challenging. Here, we discuss strategies to overcome these limitations toward the development of particulate vaccines eliciting desired humoral and cellular immune responses. We also describe innovative concepts of assembling particulate vaccine candidates with complex antigens bearing multiple post-translational modifications. The approaches include non-covalent attachments (e.g. biotin-avidin affinity) and covalent attachments (e.g. SpyCatcher-SpyTag) to attach post-translationally modified antigens to particles.
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Affiliation(s)
- Shuxiong Chen
- Centre for Cell Factories and Biopolymers (CCFB), Griffith Institute for Drug Discovery, Griffith University, Nathan, QLD, Australia,*Correspondence: Bernd H. A. Rehm, ; Shuxiong Chen,
| | - Saranya Pounraj
- Centre for Cell Factories and Biopolymers (CCFB), Griffith Institute for Drug Discovery, Griffith University, Nathan, QLD, Australia
| | - Nivethika Sivakumaran
- Centre for Cell Factories and Biopolymers (CCFB), Griffith Institute for Drug Discovery, Griffith University, Nathan, QLD, Australia
| | - Anjali Kakkanat
- Centre for Cell Factories and Biopolymers (CCFB), Griffith Institute for Drug Discovery, Griffith University, Nathan, QLD, Australia
| | - Gayathri Sam
- Centre for Cell Factories and Biopolymers (CCFB), Griffith Institute for Drug Discovery, Griffith University, Nathan, QLD, Australia
| | - Md. Tanvir Kabir
- Centre for Cell Factories and Biopolymers (CCFB), Griffith Institute for Drug Discovery, Griffith University, Nathan, QLD, Australia
| | - Bernd H. A. Rehm
- Centre for Cell Factories and Biopolymers (CCFB), Griffith Institute for Drug Discovery, Griffith University, Nathan, QLD, Australia,Menzies Health Institute Queensland (MHIQ), Griffith University, Gold Coast, QLD, Australia,*Correspondence: Bernd H. A. Rehm, ; Shuxiong Chen,
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28
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Ye X, Li J, Liu Z, Sun X, Wei D, Song L, Wu C. Peptide mediated therapy in fibrosis: Mechanisms, advances and prospects. Biomed Pharmacother 2023; 157:113978. [PMID: 36423541 DOI: 10.1016/j.biopha.2022.113978] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 10/30/2022] [Accepted: 11/03/2022] [Indexed: 11/22/2022] Open
Abstract
Fibrosis, a disease characterized by an excess accumulation of extracellular matrix components, could lead to organ failure and death, and is to blame for up to 45 % of all fatalities in developed nations. These disorders all share the common trait of an unchecked and increasing accumulation of fibrotic tissue in the affected organs, which leads to their malfunction and eventual failure, even if their underlying causes are highly diverse and, in some cases, remain unclear. Numerous studies have identified activated myofibroblasts as the common cellular elements ultimately responsible for the replacement of normal tissues with nonfunctional fibrotic tissue. The transforming growth factor-β pathway, for instance, plays a significant role in practically all kinds of fibrosis. However, there is no specific drug for the treatment of fibrosis, several medications with anti-hepatic fibrosis properties are still in the research and development stages. Peptide, which refers to a substance consisting of 2-50 amino acids, is characterized by structural diversity, low toxicity, biological activities, easy absorption, specific targeting, few side effects, and has been proven to be effective in anti-fibrosis. Here, we summarized various anti-fibrosis peptides in fibrosis including the liver, lungs, kidneys, and other organs. This review will provide a new insight into peptide mediated anti-fibrosis and is helpful to creation of antifibrotic medications.
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Affiliation(s)
- Xun Ye
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Jinhu Li
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Zibo Liu
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Xue Sun
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Daneng Wei
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Linjiang Song
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China.
| | - Chunjie Wu
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China.
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Aróstica M, Rojas R, Aguilar LF, Carvajal-Rondanelli P, Albericio F, Guzmán F, Cárdenas C. Arginine Homopeptide of 11 Residues as a Model of Cell-Penetrating Peptides in the Interaction with Bacterial Membranes. MEMBRANES 2022; 12:1180. [PMID: 36557087 PMCID: PMC9788509 DOI: 10.3390/membranes12121180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/20/2022] [Accepted: 11/21/2022] [Indexed: 06/17/2023]
Abstract
Cell-penetrating peptides rich in arginine are good candidates to be considered as antibacterial compounds, since peptides have a lower chance of generating resistance than commonly used antibiotics. Model homopeptides are a useful tool in the study of activity and its correlation with a secondary structure, constituting an initial step in the construction of functional heteropeptides. In this report, the 11-residue arginine homopeptide (R11) was used to determine its antimicrobial activity against Staphylococcus aureus and Escherichia coli and the effect on the secondary structure, caused by the substitution of the arginine residue by the amino acids Ala, Pro, Leu and Trp, using the scanning technique. As a result, most of the substitutions improved the antibacterial activity, and nine peptides were significantly more active than R11 against the two tested bacteria. The cell-penetrating characteristic of the peptides was verified by SYTOX green assay, with no disruption to the bacterial membranes. Regarding the secondary structure in four different media-PBS, TFE, E. coli membrane extracts and DMPG vesicles-the polyproline II structure, the one of the parent R11, was not altered by unique substitutions, although the secondary structure of the peptides was best defined in E. coli membrane extract. This work aimed to shed light on the behavior of the interaction model of penetrating peptides and bacterial membranes to enhance the development of functional heteropeptides.
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Affiliation(s)
- Mónica Aróstica
- Doctorado en Biotecnología, Pontificia Universidad Católica de Valparaíso y Universidad Técnica Federico Santa María, Valparaíso 2373223, Chile
| | - Roberto Rojas
- Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Sede Los Castaños, 7 Norte 1348, Viña del Mar 2531098, Chile
| | - Luis Felipe Aguilar
- Instituto de Química, Pontificia Universidad Católica de Valparaíso, Av. Universidad 330, Valparaíso 2373223, Chile
| | - Patricio Carvajal-Rondanelli
- Escuela de Alimentos, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Waddington 716, Valparaíso 2360100, Chile
| | - Fernando Albericio
- Department of Organic Chemistry and CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, University of Barcelona, Martí i Franqués, 1, 08028 Barcelona, Spain
- School of Chemistry, University of KwaZulu-Natal, King Edward Avenue, Scottsville, Durban 4001, South Africa
| | - Fanny Guzmán
- Núcleo de Biotecnología Curauma, Pontificia Universidad Católica de Valparaíso, Av. Universidad 330, Valparaíso 2373223, Chile
| | - Constanza Cárdenas
- Núcleo de Biotecnología Curauma, Pontificia Universidad Católica de Valparaíso, Av. Universidad 330, Valparaíso 2373223, Chile
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Chavda VP, Solanki HK, Davidson M, Apostolopoulos V, Bojarska J. Peptide-Drug Conjugates: A New Hope for Cancer Management. Molecules 2022; 27:7232. [PMID: 36364057 PMCID: PMC9658517 DOI: 10.3390/molecules27217232] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/29/2022] [Accepted: 10/18/2022] [Indexed: 08/07/2023] Open
Abstract
Cancer remains the leading cause of death worldwide despite advances in treatment options for patients. As such, safe and effective therapeutics are required. Short peptides provide advantages to be used in cancer management due to their unique properties, amazing versatility, and progress in biotechnology to overcome peptide limitations. Several appealing peptide-based therapeutic strategies have been developed. Here, we provide an overview of peptide conjugates, the better equivalents of antibody-drug conjugates, as the next generation of drugs for required precise targeting, enhanced cellular permeability, improved drug selectivity, and reduced toxicity for the efficient treatment of cancers. We discuss the basic components of drug conjugates and their release action, including the release of cytotoxins from the linker. We also present peptide-drug conjugates under different stages of clinical development as well as regulatory and other challenges.
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Affiliation(s)
- Vivek P. Chavda
- Department of Pharmaceutics and Pharmaceutical Technology, L M College of Pharmacy, Ahmedabad 380008, Gujarat, India
| | - Hetvi K. Solanki
- Department of Pharmaceutics and Pharmaceutical Technology, L M College of Pharmacy, Ahmedabad 380008, Gujarat, India
| | - Majid Davidson
- Institute for Health and Sport, Victoria University, Melbourne, VIC 3030, Australia
| | - Vasso Apostolopoulos
- Institute for Health and Sport, Victoria University, Melbourne, VIC 3030, Australia
- Immunology Program, Australian Institute for Musculoskeletal Science, Melbourne, VIC 3021, Australia
| | - Joanna Bojarska
- Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, 116 Zeromskiego Street, 90-924 Lodz, Poland
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