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Ramos-Bermúdez PE, Pousa S, Carvalho P, Brant RSC, Batista M, Hojo H, Garay HE, Roscoe A, Mallón AR, Besada V, Takao T, González LJ. A hydrolyzed N-propionylthiosuccinimide linker is cleaved by metastable fragmentation, increasing reliability of conjugation site identification in conjugate vaccines. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2024; 38:e9859. [PMID: 39034666 DOI: 10.1002/rcm.9859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 06/05/2024] [Accepted: 06/09/2024] [Indexed: 07/23/2024]
Abstract
RATIONALE Conjugation sites are a quality attribute of conjugate vaccines. Proteolysis of bioconjugates synthesized by maleimide-thiol chemistry generates type 2 peptides with a hydrolyzed thiosuccinimide linker containing information on the conjugation sites. A mass spectrometry (MS)-cleavable linker could make the identification of conjugation sites by MS more reliable. METHODS Four synthetic type 2 peptides with a hydrolyzed thiosuccinimide linker were analyzed by matrix-assisted laser desorption ionization (MALDI) MS/MS with and without collision gas. These peptides were also partially labeled with 18O in the linker to confirm the proposed fragmentation mechanism. A conjugate vaccine with the hydrolyzed thiosuccinimide linker was reduced and S-alkylated, digested with trypsin and analyzed by liquid chromatography-MS/MS using collision-induced dissociation (CID) and higher-energy collisional dissociation (HCD) fragmentation methods at a normalized collision energy of 30. RESULTS A metastable fragmentation preferentially cleaves the newly formed pseudopeptide bond within the hydrolyzed thiosuccinimide linker of type 2 peptides to yield P + 71 and C + 98 ions. These ions make the assignment of conjugation sites more reliable. Partial 18O-labeling and MS/MS analysis confirmed the proposed structures. CID produces these ions as the two most intense signals more favorably than HCD. The latter also yields these ions, guarantees better sequence coverage and promotes other fragmentations in the linker. CONCLUSIONS Hydrolyzed thiosuccinimide linker is cleavable in MALDI and electrospray ionization MS/MS analysis by a gas-phase metastable fragmentation. The resulting fragment ions (P + 71 and C + 98) make the identification of conjugation sites more reliable. These results could be extended to self-hydrolyzing maleimides, which efficiently stabilize the thiosuccinimide linker upon hydrolysis, in antibody-drug conjugates.
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Affiliation(s)
| | - Satomy Pousa
- Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Paulo Carvalho
- Carlos Chagas Institute/FioCruz Rua Professor Algacyr Munhoz Mader, Curitiba, Brazil
| | | | - Michel Batista
- Carlos Chagas Institute/FioCruz Rua Professor Algacyr Munhoz Mader, Curitiba, Brazil
| | - Hironobu Hojo
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Hilda E Garay
- Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Abel Roscoe
- Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | | | - Vladimir Besada
- Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Toshifumi Takao
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Luis Javier González
- Carlos Chagas Institute/FioCruz Rua Professor Algacyr Munhoz Mader, Curitiba, Brazil
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2
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Stefanik O, Majerova P, Kovac A, Mikus P, Piestansky J. Capillary electrophoresis in the analysis of therapeutic peptides-A review. Electrophoresis 2024; 45:120-164. [PMID: 37705480 DOI: 10.1002/elps.202300141] [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: 06/29/2023] [Revised: 08/10/2023] [Accepted: 08/14/2023] [Indexed: 09/15/2023]
Abstract
Therapeutic peptides are a growing class of innovative drugs with high efficiency and a low risk of adverse effects. These biomolecules fall within the molecular mass range between that of small molecules and proteins. However, their inherent instability and potential for degradation underscore the importance of reliable and effective analytical methods for pharmaceutical quality control, therapeutic drug monitoring, and compliance testing. Liquid chromatography-mass spectrometry (LC-MS) has long time been the "gold standard" conventional method for peptide analysis, but capillary electrophoresis (CE) is increasingly being recognized as a complementary and, in some cases, superior, highly efficient, green, and cost-effective alternative technique. CE can separate peptides composed of different amino acids owing to differences in their net charge and size, determining their migration behavior in an electric field. This review provides a comprehensive overview of therapeutic peptides that have been used in the clinical environment for the last 25 years. It describes the properties, classification, current trends in development, and clinical use of therapeutic peptides. From the analytical point of view, it discusses the challenges associated with the analysis of therapeutic peptides in pharmaceutical and biological matrices, as well as the evaluation of CE as a whole and the comparison with LC methods. The article also highlights the use of microchip electrophoresis, nonaqueous CE, and nonconventional hydrodynamically closed CE systems and their applications. Overall, the article emphasizes the importance of developing new CE-based analytical methods to ensure the high quality, safety, and efficacy of therapeutic peptides in clinical practice.
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Affiliation(s)
- Ondrej Stefanik
- Department of Pharmaceutical Analysis and Nuclear Pharmacy, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
- Toxicological and Antidoping Center, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Petra Majerova
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Andrej Kovac
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Peter Mikus
- Department of Pharmaceutical Analysis and Nuclear Pharmacy, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
- Toxicological and Antidoping Center, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Juraj Piestansky
- Toxicological and Antidoping Center, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
- Institute of Neuroimmunology, Slovak Academy of Sciences, Bratislava, Slovak Republic
- Department of Galenic Pharmacy, Faculty of Pharmacy, Comenius University in Bratislava, Bratislava, Slovak Republic
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3
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Malviya R, Verma S, Sundram S. Advancement and Strategies for the Development of Peptide-Drug Conjugates: Pharmacokinetic Modulation, Role and Clinical Evidence Against Cancer Management. Curr Cancer Drug Targets 2021; 22:286-311. [PMID: 34792003 DOI: 10.2174/1568009621666211118111506] [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: 05/11/2021] [Revised: 07/29/2021] [Accepted: 09/09/2021] [Indexed: 12/24/2022]
Abstract
Currently, many new treatment strategies are being used for the management of cancer. Among them, chemotherapy based on peptides has been of great interest due to the unique features of peptides. This review discusses the role of peptide and peptides analogues in the treatment of cancer, with special emphasis on their pharmacokinetic modulation and research progress. Low molecular weight, targeted drug delivery, enhanced permeability, etc., of the peptide-linked drug conjugates, lead to an increase in the effectiveness of cancer therapy. Various peptides have recently been developed as drugs and vaccines with an altered pharmacokinetic parameter which has subsequently been assessed in different phases of the clinical study. Peptides have made a great impact in the area of cancer therapy and diagnosis. Targeted chemotherapy and drug delivery techniques using peptides are emerging as excellent tools in minimizing problems with conventional chemotherapy. It can be concluded that new advances in using peptides to treat different types of cancer have been shown by different clinical studies indicating that peptides could be used as an ideal therapeutic method in treating cancer due to the novel advantages of peptides. The development of identifying and synthesizing novel peptides could provide a promising choice to patients with cancer.
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Affiliation(s)
- Rishabha Malviya
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida. India
| | - Swati Verma
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida. India
| | - Sonali Sundram
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida. India
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4
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Chiangjong W, Chutipongtanate S, Hongeng S. Anticancer peptide: Physicochemical property, functional aspect and trend in clinical application (Review). Int J Oncol 2020; 57:678-696. [PMID: 32705178 PMCID: PMC7384845 DOI: 10.3892/ijo.2020.5099] [Citation(s) in RCA: 168] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 06/26/2020] [Indexed: 01/10/2023] Open
Abstract
Cancer is currently ineffectively treated using therapeutic drugs, and is also able to resist drug action, resulting in increased side effects following drug treatment. A novel therapeutic strategy against cancer cells is the use of anticancer peptides (ACPs). The physicochemical properties, amino acid composition and the addition of chemical groups on the ACP sequence influences their conformation, net charge and orientation of the secondary structure, leading to an effect on targeting specificity and ACP-cell interaction, as well as peptide penetrating capability, stability and efficacy. ACPs have been developed from both naturally occurring and modified peptides by substituting neutral or anionic amino acid residues with cationic amino acid residues, or by adding a chemical group. The modified peptides lead to an increase in the effectiveness of cancer therapy. Due to this effectiveness, ACPs have recently been improved to form drugs and vaccines, which have sequentially been evaluated in various phases of clinical trials. The development of the ACPs remains focused on generating newly modified ACPs for clinical application in order to decrease the incidence of new cancer cases and decrease the mortality rate. The present review could further facilitate the design of ACPs and increase efficacious ACP therapy in the near future.
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Affiliation(s)
- Wararat Chiangjong
- Pediatric Translational Research Unit, Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Somchai Chutipongtanate
- Pediatric Translational Research Unit, Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Suradej Hongeng
- Division of Hematology and Oncology, Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
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Vicente FM, González-Garcia M, Diaz Pico E, Moreno-Castillo E, Garay HE, Rosi PE, Jimenez AM, Campos-Delgado JA, Rivera DG, Chinea G, Pietro RCL, Stenger S, Spellerberg B, Kubiczek D, Bodenberger N, Dietz S, Rosenau F, Paixão MW, Ständker L, Otero-González AJ. Design of a Helical-Stabilized, Cyclic, and Nontoxic Analogue of the Peptide Cm-p5 with Improved Antifungal Activity. ACS OMEGA 2019; 4:19081-19095. [PMID: 31763531 PMCID: PMC6868880 DOI: 10.1021/acsomega.9b02201] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 10/04/2019] [Indexed: 05/15/2023]
Abstract
Following the information obtained by a rational design study, a cyclic and helical-stabilized analogue of the peptide Cm-p5 was synthetized. The cyclic monomer showed an increased activity in vitro against Candida albicans and Candida parapsilosis, compared to Cm-p5. Initially, 14 mutants of Cm-p5 were synthesized following a rational design to improve the antifungal activity and pharmacological properties. Antimicrobial testing showed that the activity was lost in each of these 14 analogues, suggesting, as a main conclusion, that a Glu-His salt bridge could stabilize Cm-p5 helical conformation during the interaction with the plasma membrane. A derivative, obtained by substitution of Glu and His for Cys, was synthesized and oxidized with the generation of a cyclic monomer with improved antifungal activity. In addition, two dimers were generated during the oxidation procedure, a parallel and antiparallel one. The dimers showed a helical secondary structure in water, whereas the cyclic monomer only showed this conformation in SDS. Molecular dynamic simulations confirmed the helical stabilizations for all of them, therefore indicating the possible essential role of the Glu-His salt bridge. In addition, the antiparallel dimer showed a moderate activity against Pseudomonas aeruginosa and a significant activity against Listeria monocytogenes. Neither the cyclic monomer nor the dimers were toxic against macrophages or THP-1 human cells. Due to its increased capacity for fungal control compared to fluconazole, its low cytotoxicity, together with a stabilized α-helix and disulfide bridges, that may advance its metabolic stability, and in vivo activity, the new cyclic Cm-p5 monomer represents a potential systemic antifungal therapeutic candidate.
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Affiliation(s)
- Fidel
E. Morales Vicente
- General
Chemistry Department, Faculty of Chemistry and Center for Natural Products Research,
Faculty of Chemistry, University of Havana, Zapata y G, 10400 La Habana, Cuba
- Synthetic
Peptides Group, Center for Genetic Engineering and Biotechnology, P.O. Box 6162, 10600 La Habana, Cuba
- Center
of Excellence for Research in Sustainable Chemistry (CERSusChem),
Department of Chemistry, Federal University
of São Carlos-UFSCar, São Paulo 13565-905, Brazil
| | - Melaine González-Garcia
- Center
for Protein Studies, Faculty of Biology, University of Havana, 25 and I, 10400 La Habana, Cuba
| | - Erbio Diaz Pico
- Synthetic
Peptides Group, Center for Genetic Engineering and Biotechnology, P.O. Box 6162, 10600 La Habana, Cuba
| | - Elena Moreno-Castillo
- General
Chemistry Department, Faculty of Chemistry and Center for Natural Products Research,
Faculty of Chemistry, University of Havana, Zapata y G, 10400 La Habana, Cuba
| | - Hilda E. Garay
- Synthetic
Peptides Group, Center for Genetic Engineering and Biotechnology, P.O. Box 6162, 10600 La Habana, Cuba
| | - Pablo E. Rosi
- Department
of Inorganic Chemistry, Analytical and Physical Chemistry, Facultad
de Ciencias Exactas y Naturales, Universidad
de Buenos Aires, Buenos Aires C1428EGA, Argentina
| | - Asiel Mena Jimenez
- General
Chemistry Department, Faculty of Chemistry and Center for Natural Products Research,
Faculty of Chemistry, University of Havana, Zapata y G, 10400 La Habana, Cuba
| | - Jose A. Campos-Delgado
- Center
of Excellence for Research in Sustainable Chemistry (CERSusChem),
Department of Chemistry, Federal University
of São Carlos-UFSCar, São Paulo 13565-905, Brazil
| | - Daniel G. Rivera
- General
Chemistry Department, Faculty of Chemistry and Center for Natural Products Research,
Faculty of Chemistry, University of Havana, Zapata y G, 10400 La Habana, Cuba
| | - Glay Chinea
- Synthetic
Peptides Group, Center for Genetic Engineering and Biotechnology, P.O. Box 6162, 10600 La Habana, Cuba
| | - Rosemeire C. L.
R. Pietro
- Laboratory
of Pharmaceutical Biotechnology, Department of Drugs and Medicines,
School of Pharmaceutical Sciences, UNESP, Araraquara 14800-900, Brazil
| | - Steffen Stenger
- Institute
of Medical Microbiology and Hygiene, University
Clinic of Ulm, Robert Koch Str. 8, Ulm D-89081, Germany
| | - Barbara Spellerberg
- Institute
of Medical Microbiology and Hygiene, University
Clinic of Ulm, Robert Koch Str. 8, Ulm D-89081, Germany
| | - Dennis Kubiczek
- Institute
of Pharmaceutical Biotechnology, Ulm University, James-Frank-Ring N27, 89081 Ulm, Germany
| | - Nicholas Bodenberger
- Institute
of Pharmaceutical Biotechnology, Ulm University, James-Frank-Ring N27, 89081 Ulm, Germany
| | - Steffen Dietz
- Institute
of Pharmaceutical Biotechnology, Ulm University, James-Frank-Ring N27, 89081 Ulm, Germany
| | - Frank Rosenau
- Institute
of Pharmaceutical Biotechnology, Ulm University, James-Frank-Ring N27, 89081 Ulm, Germany
| | - Márcio Weber Paixão
- Center
of Excellence for Research in Sustainable Chemistry (CERSusChem),
Department of Chemistry, Federal University
of São Carlos-UFSCar, São Paulo 13565-905, Brazil
- E-mail: (W.P.)
| | - Ludger Ständker
- Core
Facility for Functional Peptidomics, Ulm Peptide Pharmaceuticals (U-PEP),
University Ulm, Faculty of Medicine, Ulm
University, 89081 Ulm, Germany
- E-mail: (L.S.)
| | - Anselmo J. Otero-González
- Center
for Protein Studies, Faculty of Biology, University of Havana, 25 and I, 10400 La Habana, Cuba
- E-mail: (A.J.O.-G.)
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Boutin JA, Tartar AL, van Dorsselaer A, Vaudry H. General lack of structural characterization of chemically synthesized long peptides. Protein Sci 2019; 28:857-867. [PMID: 30851143 PMCID: PMC6459998 DOI: 10.1002/pro.3601] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 03/07/2019] [Accepted: 03/07/2019] [Indexed: 01/01/2023]
Abstract
Many peptide chemistry scientists have been reporting extremely interesting work on the basis of chemical peptides for which the only characterization was their purity, mass, and biological activity. It seems slightly overenthusiastic, as many of these structures should be thoroughly characterized first to demonstrate the uniqueness of the structure, as opposed to the uniqueness of the sequence. Among the peptides of identical sequences in the final chemical preparation, what amount of well-folded peptide supports the measured activity? The activity of a peptide preparation cannot prove the purity of the desired peptide. Therefore, greater care should be taken in characterizing peptides, particularly those coming from chemical synthesis. At a time when the pharmaceutical industry is changing its paradigm by moving substantially from small molecules to biologics to better serve patients' needs, it is important to understand the limitations of the descriptions of these products and to start to apply the same "good laboratory practices" to our peptide research. Here, we attempt to delineate how synthetic peptides are described and characterized and what will be needed to describe them in regards to how they are well-folded and homogeneous in their tertiary structure. Older studies were done when the tools were not yet discovered, but more recent publications are still lacking proper descriptions of these peptides. Modern tools of analysis are capable of segregating folded and unfolded peptides, even if the preparation is biologically active.
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Affiliation(s)
- Jean A. Boutin
- Institut de Recherches Internationales Servier50 rue Carnot, 92284, Suresnes‐CedexFrance
| | - André L. Tartar
- Faculté de Pharmacie 3rue du Professeur Laguesse, BP83 ‐ 59006, Lille‐CedexFrance
| | - Alain van Dorsselaer
- Laboratoire de Spectrométrie de Masse Bio‐Organique, Département des Sciences AnalytiquesInstitut Pluridisciplinaire Hubert CurienUMR 7178 (CNRS‐UdS), ECPM, 25 rue Becquerel, F67087, Strasbourg‐Cedex 2France
| | - Hubert Vaudry
- Plate‐Forme de Recherche en Imagerie Cellulaire de Normandie (PRIMACEN)Institut de Recherche et d'Innovation Biomédicales (IRIB), Université de Rouen76821, Mont‐Saint‐Aignan CedexFrance
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7
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Are peptides a solution for the treatment of hyperactivated JAK3 pathways? Inflammopharmacology 2019; 27:433-452. [PMID: 30929155 DOI: 10.1007/s10787-019-00589-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 03/18/2019] [Indexed: 01/10/2023]
Abstract
While the inactivation mutations that eliminate JAK3 function lead to the immunological disorders such as severe combined immunodeficiency, activation mutations, causing constitutive JAK3 signaling, are known to trigger various types of cancer or are responsible for autoimmune diseases, such as rheumatoid arthritis, psoriasis, or inflammatory bowel diseases. Treatment of hyperactivated JAK3 is still an obstacle, due to different sensibility of mutation types to conventional drugs and unwanted side effects, because these drugs are not absolutely specific for JAK3, thus inhibiting other members of the JAK family, too. Lack of information, in which way sole inhibition of JAK3 is necessary for elimination of the disease, calls for the development of isoform-specific JAK3 inhibitors. Beside this strategy, up to date peptides are a rising alternative as chemo- or immunotherapeutics, but still sparsely represented in drug development and clinical trials. Beyond a possible direct inhibition function, crossing the cancer cell membrane and interfering in disease-causing pathways or triggering apoptosis, peptides could be used in future as adjunct remedies to potentialize traditional therapy and preserve non-affected cells. To discuss such feasible topics, this review deals with the knowledge about the structure-function of JAK3 and the actual state-of-the-art of isoform-specific inhibitor development, as well as the function of currently approved drugs or those currently being tested in clinical trials. Furthermore, several strategies for the application of peptide-based drugs for cancer therapy and the physicochemical and structural relations to peptide efficacy are discussed, and an overview of peptide sequences, which were qualified for clinical trials, is given.
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