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Luong AD, Buzid A, Luong JHT. Important Roles and Potential Uses of Natural and Synthetic Antimicrobial Peptides (AMPs) in Oral Diseases: Cavity, Periodontal Disease, and Thrush. J Funct Biomater 2022; 13:jfb13040175. [PMID: 36278644 PMCID: PMC9589978 DOI: 10.3390/jfb13040175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 09/29/2022] [Accepted: 09/30/2022] [Indexed: 01/10/2023] Open
Abstract
Numerous epithelial cells and sometimes leukocytes release AMPs as their first line of defense. AMPs encompass cationic histatins, defensins, and cathelicidin to encounter oral pathogens with minimal resistance. However, their concentrations are significantly below the effective levels and AMPs are unstable under physiological conditions due to proteolysis, acid hydrolysis, and salt effects. In parallel to a search for more effective AMPs from natural sources, considerable efforts have focused on synthetic stable and low-cytotoxicy AMPs with significant activities against microorganisms. Using natural AMP templates, various attempts have been used to synthesize sAMPs with different charges, hydrophobicity, chain length, amino acid sequence, and amphipathicity. Thus far, sAMPs have been designed to target Streptococcus mutans and other common oral pathogens. Apart from sAMPs with antifungal activities against Candida albicans, future endeavors should focus on sAMPs with capabilities to promote remineralization and antibacterial adhesion. Delivery systems using nanomaterials and biomolecules are promising to stabilize, reduce cytotoxicity, and improve the antimicrobial activities of AMPs against oral pathogens. Nanostructured AMPs will soon become a viable alternative to antibiotics due to their antimicrobial mechanisms, broad-spectrum antimicrobial activity, low drug residue, and ease of synthesis and modification.
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Affiliation(s)
- Albert Donald Luong
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University of Buffalo, Buffalo, NY 14215, USA
| | - Alyah Buzid
- Department of Chemistry, College of Science, King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia
| | - John H. T. Luong
- School of Chemistry and Analytical & Biological Chemistry Research Facility (ABCRF), University College Cork, College Road, T12 YN60 Cork, Ireland
- Correspondence: or
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Tobolska A, Wezynfeld NE, Wawrzyniak UE, Bal W, Wróblewski W. Tuning Receptor Properties of Metal-Amyloid Beta Complexes. Studies on the Interaction between Ni(II)-Aβ 5-9 and Phosphates/Nucleotides. Inorg Chem 2021; 60:19448-19456. [PMID: 34878265 PMCID: PMC8693174 DOI: 10.1021/acs.inorgchem.1c03285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Amyloid-beta (Aβ) peptides, potentially relevant in the pathology of Alzheimer's disease, possess distinctive coordination properties, enabling an effective binding of transition-metal ions, with a preference for Cu(II). In this work, we found that a N-truncated Aβ analogue bearing a His-2 motif, Aβ5-9, forms a stable Ni(II) high-spin octahedral complex at a physiological pH of 7.4 with labile coordination sites and facilitates ternary interactions with phosphates and nucleotides. As the pH increased above 9, a spin transition from a high-spin to a low-spin square-planar Ni(II) complex was observed. Employing electrochemical techniques, we showed that interactions between the binary Ni(II)-Aβ5-9 complex and phosphate species result in significant changes in the Ni(II) oxidation signal. Thus, the Ni(II)-Aβ5-9 complex could potentially serve as a receptor in electrochemical biosensors for phosphate species. The obtained results could also be important for nickel toxicology.
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Affiliation(s)
- Aleksandra Tobolska
- Chair of Medical Biotechnology, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, Warsaw 00-664, Poland.,Faculty of Chemistry, University of Warsaw, Pasteura 1, Warsaw 02-093, Poland
| | - Nina E Wezynfeld
- Chair of Medical Biotechnology, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, Warsaw 00-664, Poland
| | - Urszula E Wawrzyniak
- Chair of Medical Biotechnology, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, Warsaw 00-664, Poland
| | - Wojciech Bal
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawińskiego 5a, Warsaw 02-106, Poland
| | - Wojciech Wróblewski
- Chair of Medical Biotechnology, Faculty of Chemistry, Warsaw University of Technology, Noakowskiego 3, Warsaw 00-664, Poland
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Falcone E, Okafor M, Vitale N, Raibaut L, Sour A, Faller P. Extracellular Cu2+ pools and their detection: From current knowledge to next-generation probes. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213727] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Bossak-Ahmad K, Mital M, Płonka D, Drew SC, Bal W. Oligopeptides Generated by Neprilysin Degradation of β-Amyloid Have the Highest Cu(II) Affinity in the Whole Aβ Family. Inorg Chem 2018; 58:932-943. [PMID: 30582328 DOI: 10.1021/acs.inorgchem.8b03051] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The catabolism of β-amyloid (Aβ) is carried out by numerous endopeptidases including neprilysin, which hydrolyzes peptide bonds preceding positions 4, 10, and 12 to yield Aβ4-9 and a minor Aβ12- x species. Alternative processing of the amyloid precursor protein by β-secretase also generates the Aβ11- x species. All these peptides contain a Xxx-Yyy-His sequence, also known as an ATCUN or NTS motif, making them strong chelators of Cu(II) ions. We synthesized the corresponding peptides, Phe-Arg-His-Asp-Ser-Gly-OH (Aβ4-9), Glu-Val-His-His-Gln-Lys-am (Aβ11-16), Val-His-His-Gln-Lys-am (Aβ12-16), and pGlu-Val-His-His-Gln-Lys-am (pAβ11-16), and investigated their Cu(II) binding properties using potentiometry, and UV-vis, circular dichroism, and electron paramagnetic resonance spectroscopies. We found that the three peptides with unmodified N-termini formed square-planar Cu(II) complexes at pH 7.4 with analogous geometries but significantly varied Kd values of 6.6 fM (Aβ4-9), 9.5 fM (Aβ12-16), and 1.8 pM (Aβ11-16). Cyclization of the N-terminal Glu11 residue to the pyroglutamate species pAβ11-16 dramatically reduced the affinity (5.8 nM). The Cu(II) affinities of Aβ4-9 and Aβ12-16 are the highest among the Cu(II) complexes of Aβ peptides. Using fluorescence spectroscopy, we demonstrated that the Cu(II) exchange between the Phe-Arg-His and Val-His-His motifs is very slow, on the order of days. These results are discussed in terms of the relevance of Aβ4-9, a major Cu(II) binding Aβ fragment generated by neprilysin, as a possible Cu(II) carrier in the brain.
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Affiliation(s)
- Karolina Bossak-Ahmad
- Institute of Biochemistry and Biophysics , Polish Academy of Sciences , 02-106 Warsaw , Poland
| | - Mariusz Mital
- Institute of Biochemistry and Biophysics , Polish Academy of Sciences , 02-106 Warsaw , Poland
| | - Dawid Płonka
- Institute of Biochemistry and Biophysics , Polish Academy of Sciences , 02-106 Warsaw , Poland
| | - Simon C Drew
- Institute of Biochemistry and Biophysics , Polish Academy of Sciences , 02-106 Warsaw , Poland
| | - Wojciech Bal
- Institute of Biochemistry and Biophysics , Polish Academy of Sciences , 02-106 Warsaw , Poland
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Jeżowska-Bojczuk M, Stokowa-Sołtys K. Peptides having antimicrobial activity and their complexes with transition metal ions. Eur J Med Chem 2017; 143:997-1009. [PMID: 29232589 DOI: 10.1016/j.ejmech.2017.11.086] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 11/08/2017] [Accepted: 11/27/2017] [Indexed: 12/30/2022]
Abstract
Peptide antibiotics are produced by bacterial, mammalian, insect or plant organisms in defense against invasive microbial pathogens. Therefore, they are gaining importance as anti-infective agents. There are a number of antibiotics that require metal ions to function properly. Metal ions play a key role in their action and are involved in specific interactions with proteins, nucleic acids and other biomolecules. On the other hand, it is well known that some antimicrobial agents possess functional groups that enable them interacting with metal ions present in physiological fluids. Some findings support a hypothesis that they may alter the serum metal ions concentration in humans. Complexes usually have a higher positive charge than uncomplexed compounds. This means that they might interact more tightly with polyanionic DNA and RNA molecules. It has been shown that several metal ion complexes with antibiotics promote degradation of DNA. Some of them, such as bleomycin, form stable complexes with redox metal ions and split the nucleic acids chain via the free radicals mechanism. However, this is not a rule. For example blasticidin does not cause DNA damage. This indicates that some peptide antibiotics can be considered as ligands that effectively lower the oxidative activity of transition metal ions.
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Affiliation(s)
| | - Kamila Stokowa-Sołtys
- Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland
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Khurshid Z, Najeeb S, Mali M, Moin SF, Raza SQ, Zohaib S, Sefat F, Zafar MS. Histatin peptides: Pharmacological functions and their applications in dentistry. Saudi Pharm J 2016; 25:25-31. [PMID: 28223859 PMCID: PMC5310145 DOI: 10.1016/j.jsps.2016.04.027] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 04/26/2016] [Indexed: 01/10/2023] Open
Abstract
There are many human oral antimicrobial peptides responsible for playing important roles including maintenance, repairing of oral tissues (hard or soft) and defense against oral microbes. In this review we have highlighted the biochemistry, physiology and proteomics of human oral histatin peptides, secreted from parotid and submandibular salivary glands in human. The significance of these peptides includes capability for ionic binding that can kill fungal Candida albicans. They have histidine rich amino acid sequences (7-12 family members; corresponding to residues 12-24, 13-24, 12-25, 13-25, 5-11, and 5-12, respectively) for Histatin-3. However, Histatin-3 can be synthesized proteolytically from histatin 5 or 6. Due to their fungicidal response and high biocompatibility (little or no toxicity), these peptides can be considered as therapeutic agents with most probable applications for example, artificial saliva for denture wearers and salivary gland dysfunction conditions. The objectives of current article are to explore the human histatin peptides for its types, chemical and biological aspects. In addition, the potential for therapeutic bio-dental applications has been elaborated.
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Affiliation(s)
- Zohaib Khurshid
- Department of Dental Biomaterials, College of Dentistry, King Faisal University, Al-Ahsa, Saudi Arabia
| | - Shariq Najeeb
- School of Dentistry, University of Sheffield, Sheffield, UK
| | - Maria Mali
- Department of Endodontics, Fatima Jinnah Dental College, Karachi, Pakistan
| | - Syed Faraz Moin
- National Centre for Proteomics, Karachi University, Pakistan
| | - Syed Qasim Raza
- Institute of Research and Consulting, King Faisal University, Al-Hofuf, Saudi Arabia
| | - Sana Zohaib
- Department of Biomedical Engineering, King Faisal University, Al-Hofuf, Saudi Arabia
| | - Farshid Sefat
- Department of Biomedical Engineering, King Faisal University, Al-Hofuf, Saudi Arabia; Department of Medical Engineering, University of Bradford, Bradford, UK
| | - Muhammad Sohail Zafar
- Department of Restorative Dentistry, College of Dentistry, Taibah University, Al Madinah Al Munawwarah, Saudi Arabia
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