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Savitskaya A, Masso-Silva J, Haddaoui I, Enany S. Exploring the arsenal of antimicrobial peptides: Mechanisms, diversity, and applications. Biochimie 2023; 214:216-227. [PMID: 37499896 DOI: 10.1016/j.biochi.2023.07.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 07/09/2023] [Accepted: 07/24/2023] [Indexed: 07/29/2023]
Abstract
Antimicrobial peptides (AMPs) are essential for defence against pathogens in all living organisms and possessed activities against bacteria, fungi, viruses, parasites and even cancer cells. AMPs are short peptides containing 12-100 amino acids conferring a net positive charge and an amphiphilic property in most cases. Although, anionic AMPs also exist. AMPs can be classified based on the types of secondary structures, charge, hydrophobicity, amino acid composition, length, etc. Their mechanism of action usually includes a membrane disruption process through pore formation (three different models have been described, barrel-stave, toroidal or carpet model) but AMPs can also penetrate and impair intracellular functions. Besides their activity against pathogens, they have also shown immunomodulatory properties in complex scenarios through many different interactions. The aim of this review to summarize knowledge about AMP's and discuss the potential application of AMPs as therapeutics, the challenges due to their limitations, including their susceptibility to degradation, the potential generation of AMP resistance, cost, etc. We also discuss the current FDA-approved drugs based on AMPs and strategies to circumvent natural AMPs' limitations.
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Affiliation(s)
- Anna Savitskaya
- Institute of Bioorganic Chemistry of Russian Academy of Science, Moscow, Russian Federation
| | - Jorge Masso-Silva
- Division of Pulmonary, Critical Care, Sleep Medicine and Physiology, University of California San Diego, La Jolla, CA, USA
| | - Imen Haddaoui
- National Research Institute of Rural Engineering, Water and Forestry, University of Carthage, LR Valorization of Unconventional Waters, Ariana, Tunisia
| | - Shymaa Enany
- Microbiology and Immunology Department, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt; Biomedical Research Department, Armed Force College of Medicine, Cairo, Egypt.
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Ilinov A, Nishiyama A, Namba H, Fukushima Y, Takihara H, Nakajima C, Savitskaya A, Gebretsadik G, Hakamata M, Ozeki Y, Tateishi Y, Okuda S, Suzuki Y, Vinnik YS, Matsumoto S. Extracellular DNA of slow growers of mycobacteria and its contribution to biofilm formation and drug tolerance. Sci Rep 2021; 11:10953. [PMID: 34040029 PMCID: PMC8155028 DOI: 10.1038/s41598-021-90156-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 04/30/2021] [Indexed: 12/29/2022] Open
Abstract
DNA is basically an intracellular molecule that stores genetic information and carries instructions for growth and reproduction in all cellular organisms. However, in some bacteria, DNA has additional roles outside the cells as extracellular DNA (eDNA), which is an essential component of biofilm formation and hence antibiotic tolerance. Mycobacteria include life-threating human pathogens, most of which are slow growers. However, little is known about the nature of pathogenic mycobacteria’s eDNA. Here we found that eDNA is present in slow-growing mycobacterial pathogens, such as Mycobacterium tuberculosis, M. intracellulare, and M. avium at exponential growth phase. In contrast, eDNA is little in all tested rapid-growing mycobacteria. The physiological impact of disrupted eDNA on slow-growing mycobacteria include reduced pellicle formation, floating biofilm, and enhanced susceptibility to isoniazid and amikacin. Isolation and sequencing of eDNA revealed that it is identical to the genomic DNA in M. tuberculosis and M. intracellulare. In contrast, accumulation of phage DNA in eDNA of M. avium, suggests that the DNA released differs among mycobacterial species. Our data show important functions of eDNA necessary for biofilm formation and drug tolerance in slow-growing mycobacteria.
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Affiliation(s)
- Aleksandr Ilinov
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan. .,Department of General Surgery Named Professor M.I. Gulman, Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, 1, P. Zheleznyaka str., Krasnoyarsk, Russian Federation, 660022.
| | - Akihito Nishiyama
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Hiroki Namba
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Yukari Fukushima
- Division of Bioresources, Hokkaido University Research Center for Zoonosis Control, Sapporo, 011-0020, Japan
| | - Hayato Takihara
- Division of Bioinformatics, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Chie Nakajima
- Division of Bioresources, Hokkaido University Research Center for Zoonosis Control, Sapporo, 011-0020, Japan.,International Collaboration Unit, Hokkaido University Research Center for Zoonosis Control, Sapporo, 011-0020, Japan.,Department of Advanced Pharmaceutics, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, 060-0818, Japan
| | - Anna Savitskaya
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation, 117997
| | - Gebremichal Gebretsadik
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Mariko Hakamata
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan.,Department of Respiratory Medicine and Infectious Disease, Niigata Graduate School of Medical and Dental Sciences, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Yuriko Ozeki
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Yoshitaka Tateishi
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Shujiro Okuda
- Division of Bioinformatics, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Yasuhiko Suzuki
- Division of Bioresources, Hokkaido University Research Center for Zoonosis Control, Sapporo, 011-0020, Japan.,International Collaboration Unit, Hokkaido University Research Center for Zoonosis Control, Sapporo, 011-0020, Japan.,Department of Advanced Pharmaceutics, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, 060-0818, Japan
| | - Yuri S Vinnik
- Department of General Surgery Named Professor M.I. Gulman, Professor V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, 1, P. Zheleznyaka str., Krasnoyarsk, Russian Federation, 660022
| | - Sohkichi Matsumoto
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan. .,Laboratory of Tuberculosis, Institute of Tropical Disease, Universitas Airlangga, Kampus C Jl. Mulyorejo, Surabaya, 60115, Indonesia.
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Enany S, Yoshida Y, Tateishi Y, Ozeki Y, Nishiyama A, Savitskaya A, Yamaguchi T, Ohara Y, Yamamoto T, Ato M, Matsumoto S. Mycobacterial DNA-binding protein 1 is critical for long term survival of Mycobacterium smegmatis and simultaneously coordinates cellular functions. Sci Rep 2017; 7:6810. [PMID: 28754952 PMCID: PMC5533761 DOI: 10.1038/s41598-017-06480-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 06/13/2017] [Indexed: 11/09/2022] Open
Abstract
Bacteria can proliferate perpetually without ageing, but they also face conditions where they must persist. Mycobacteria can survive for a long period. This state appears during mycobacterial diseases such as tuberculosis and leprosy, which are chronic and develop after long-term persistent infections. However, the fundamental mechanisms of the long-term living of mycobacteria are unknown. Every Mycobacterium species expresses Mycobacterial DNA-binding protein 1 (MDP1), a histone-like nucleoid associated protein. Mycobacterium smegmatis is a saprophytic fast grower and used as a model of mycobacterial persistence, since it shares the characteristics of the long-term survival observed in pathogenic mycobacteria. Here we show that MDP1-deficient M. smegmatis dies more rapidly than the parental strain after entering stationary phase. Proteomic analyses revealed 21 upregulated proteins with more than 3-fold in MDP1-deficient strain, including DnaA, a replication initiator, NDH, a NADH dehydrogenase that catalyzes downhill electron transfer, Fas1, a critical fatty acid synthase, and antioxidants such as AhpC and KatG. Biochemical analyses showed elevated levels of DNA and ATP syntheses, a decreased NADH/NAD+ ratio, and a loss of resistance to oxidative stress in the MDP1-knockout strain. This study suggests the importance of MDP1-dependent simultaneous control of the cellular functions in the long-term survival of mycobacteria.
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Affiliation(s)
- Shymaa Enany
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan.,Department of Microbiology and Immunology, Faculty of Pharmacy, Suez Canal University, 41522, Ismailia, Egypt
| | - Yutaka Yoshida
- Department of Structural Pathology, Kidney Research Center, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Yoshitaka Tateishi
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Yuriko Ozeki
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Akihito Nishiyama
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan.
| | - Anna Savitskaya
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Takehiro Yamaguchi
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Yukiko Ohara
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan
| | - Tadashi Yamamoto
- Biofluid Biomarker Center, Institute of Social innovation and Co-operation, Niigata University, 8050 Ikarashi 2-no-cho, Nishi-ku, Niigata, Niigata, 950-2181, Japan
| | - Manabu Ato
- Department of Immunology, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo, 162-8640, Japan
| | - Sohkichi Matsumoto
- Department of Bacteriology, Niigata University School of Medicine, 1-757, Asahimachi-Dori, Chuo-ku, Niigata, Niigata, 951-9510, Japan.
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Bonelli M, Savitskaya A, Steiner CW, Rath E, Bilban M, Wagner O, Bach FH, Smolen JS, Scheinecker C. Heme oxygenase-1 end-products carbon monoxide and biliverdin ameliorate murine collagen induced arthritis. Clin Exp Rheumatol 2012; 30:73-78. [PMID: 22325451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2011] [Accepted: 09/20/2011] [Indexed: 05/31/2023]
Abstract
OBJECTIVES Heme oxygenase-1 (HO-1) which degrades Heme to free iron, biliverdin and carbon monoxide (CO) plays an important role in inflammation. There are, however, conflicting data concerning the role of HO-1 in rheumatoid arthritis (RA) and the therapeutic potential of individual heme degradation products remains to be determined. We therefore investigated the effect of CO and biliverdin upon therapeutic administration in the murine collagen induced arthritis (CIA) model of RA. METHODS CIA was induced in DBA/1 mice. Anti-CII antibody levels were determined by ELISA. Mice were scored for paw swelling and grip strength. After the first clinical signs of arthritis one group of animals was treated with biliverdin, the second group was treated with CO. After 60 days all animals were sacrificed and analysed for histomorphological signs of arthritis. RESULTS All animals immunised with CII developed serum anti-CII antibodies. Antibody levels were decreased in the CO-treated group. Both, Biliverdin and the CO-treated animals, showed an improvement in clinical disease activity. Histological analysis revealed significantly less inflammation, erosion and reduced numbers of osteoclasts in CO-treated animals only, whereas cartilage degradation was prevented in both biliverdin and CO-treated animals. CONCLUSIONS Our data demonstrate a beneficial effect of CO, in particular, and biliverdin, on inflammation and bone destruction in the CIA mouse model.
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Affiliation(s)
- M Bonelli
- Division of Rheumatology, Internal Medicine III, Medical University of Vienna, Vienna, Austria
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Bonelli M, von Dalwigk K, Savitskaya A, Smolen JS, Scheinecker C. Foxp3 expression in CD4+ T cells of patients with systemic lupus erythematosus: a comparative phenotypic analysis. Ann Rheum Dis 2007; 67:664-71. [PMID: 17728327 DOI: 10.1136/ard.2007.074690] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
OBJECTIVES The forkhead family transcription factor Foxp3 currently represents the most specific marker molecule for CD4(+)CD25(+) T cells with suppressive/regulatory capacity (Treg) in the mouse. Recent studies in the human system, however, indicate that the expression of Foxp3 can be T cell activation dependent. This tempted us to evaluate the significance of Foxp3 expression under autoimmune conditions with chronic T cell activation in patients with systemic lupus erythematosus (SLE) as compared with healthy controls (HCs). METHODS Proportions of peripheral blood CD4(+)Foxp3(+) T cells and CD4(+)CD25(high) T cells were determined in patients with active and inactive SLE as compared with HC by flow cytometry. Comparative analysis of the percentage of CD4(+)Foxp3(+) T cells and of percentage of CD4(+)CD25(high) T cells with clinical disease activity and T cell activation marker molecule expression were performed. Finally, the induction of Foxp3 expression was analysed upon T cell activation in vitro. RESULTS Proportions of CD4(+)Foxp3(+) T cells were significantly increased in patients with SLE as compared with HC and a significant correlation was observed between clinical disease activity and proportions of CD4(+)Foxp3(+) T cells. On the other hand, proportions of CD4(+)CD25(high) were decreased in SLE and no correlation with a T cell activation marker expression of was observed. In addition, in vitro activation of T cells induced Foxp3 expression. CONCLUSIONS Our data suggest that the expression of Foxp3 on CD4(+) T cells in patients with SLE, at least to some extent, reflects the activation of CD4(+) T cells due to underlying disease activity and does not necessarily indicate a functional regulatory T cell capacity.
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Affiliation(s)
- M Bonelli
- Division of Rheumatology, Internal Medicine III, Medical University of Vienna, General Hospital of Vienna, Austria
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