1
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Obłoza M, Milewska A, Botwina P, Szczepański A, Medaj A, Bonarek P, Szczubiałka K, Pyrć K, Nowakowska M. Curcumin-Poly(sodium 4-styrenesulfonate) Conjugates as Potent Zika Virus Entry Inhibitors. ACS APPLIED MATERIALS & INTERFACES 2024; 16:5426-5437. [PMID: 38277775 PMCID: PMC10859898 DOI: 10.1021/acsami.3c13893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 01/04/2024] [Accepted: 01/11/2024] [Indexed: 01/28/2024]
Abstract
Curcumin, a natural product with recognized antiviral properties, is limited in its application largely due to its poor solubility. This study presents the synthesis of water-soluble curcumin-poly(sodium 4-styrenesulfonate) (Cur-PSSNan) covalent conjugates. The antiflaviviral activity of conjugates was validated in vitro by using the Zika virus as a model. In the development of these water-soluble curcumin-containing derivatives, we used the macromolecules reported by us to also hamper viral infections. Mechanistic investigations indicated that the conjugates exhibited excellent stability and bioavailability. The curcumin and macromolecules in concerted action interact directly with virus particles and block their attachment to host cells, hampering the infection process.
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Affiliation(s)
- Magdalena Obłoza
- Faculty
of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Aleksandra Milewska
- Virogenetics
Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland
| | - Paweł Botwina
- Virogenetics
Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland
- Department
of Microbiology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Artur Szczepański
- Virogenetics
Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland
| | - Aneta Medaj
- Faculty
of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
- Doctoral
School of Exact and Natural Sciences, Jagiellonian
University, Lojasiewicza 11, 30-348 Cracow, Poland
| | - Piotr Bonarek
- Department
of Physical Biochemistry, Faculty of Biochemistry, Biophysics and
Biotechnology, Jagiellonian University, 30-387 Krakow, Poland
| | - Krzysztof Szczubiałka
- Faculty
of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Krzysztof Pyrć
- Virogenetics
Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland
| | - Maria Nowakowska
- Faculty
of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
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2
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Vrzoňová R, Čížová A, Račková L, Mečárová J, Bieliková S, Bystrický S. Molar-mass-dependent antibacterial activity of cationic dextran derivatives against resistant nosocomial pathogens. Int J Biol Macromol 2023; 235:123854. [PMID: 36858094 DOI: 10.1016/j.ijbiomac.2023.123854] [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: 09/26/2022] [Revised: 02/21/2023] [Accepted: 02/23/2023] [Indexed: 03/03/2023]
Abstract
The rise of various multidrug-resistant bacteria has created a need for new biocompatible and biodegradable antibacterial compounds. Cationic polysaccharides are promising candidates for this role. Therefore, cationic derivatives of commercial dextrans with molar masses of 11 kDa, 76 kDa, 411 kDa, and 1500-2500 kDa and various degrees of substitution (DSQ 0.34-0.52) were prepared and their antimicrobial properties against four gram-negative nosocomial bacteria were tested. As expected, a higher DSQ led to higher efficiency. The best antimicrobial properties were found for derivatives of 411 kDa, followed by 76 kDa and 1500-2000 kDa dextrans. This indicates that there is a certain optimum molar mass with the best antimicrobial properties. However, as molar mass increased, the biocompatibility of cationic dextran steadily decreased, with increased hemagglutination and toxicity being seen for human cells. The derivatives of 76 kDa dextran with higher DSQ (0.40-0.52) were the best antimicrobial agents suitable for further clinical testing.
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Affiliation(s)
- Romana Vrzoňová
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
| | - Alžbeta Čížová
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
| | - Lucia Račková
- Institute of Experimental Pharmacology and Toxicology, Centre of Experimental Medicine, Slovak Academy of Sciences, Dúbravská cesta 9, 841 04 Bratislava, Slovakia.
| | - Jana Mečárová
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
| | - Sandra Bieliková
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
| | - Slavomír Bystrický
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
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3
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Botwina P, Obłoza M, Bonarek P, Szczubiałka K, Pyrć K, Nowakowska M. Poly(ethylene glycol) -block-poly(sodium 4-styrenesulfonate) Copolymers as Efficient Zika Virus Inhibitors: In Vitro Studies. ACS OMEGA 2023; 8:6875-6883. [PMID: 36844524 PMCID: PMC9948194 DOI: 10.1021/acsomega.2c07610] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
A series of poly(ethylene glycol)-block-poly(sodium 4-styrenesulfonate) (PEG-b-PSSNa) copolymers were synthesized, and their antiviral activity against Zika virus (ZIKV) was determined. The polymers inhibit ZIKV replication in vitro in mammalian cells at nontoxic concentrations. The mechanistic analysis revealed that the PEG-b-PSSNa copolymers interact directly with viral particles in a zipper-like mechanism, hindering their interaction with the permissive cell. The antiviral activity of the copolymers is well-correlated with the length of the PSSNa block, indicating that the copolymers' ionic blocks are biologically active. The blocks of PEG present in copolymers studied do not hinder that interaction. Considering the practical application of PEG-b-PSSNa and the electrostatic nature of the inhibition, the interaction between the copolymers and human serum albumin (HSA) was evaluated. The formation of PEG-b-PSSNa-HSA complexes in the form of negatively charged nanoparticles well-dispersed in buffer solution was observed. That observation is promising, given the possible practical application of the copolymers.
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Affiliation(s)
- Paweł Botwina
- Virogenetics
Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland
- Microbiology
Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Magdalena Obłoza
- Department
of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Piotr Bonarek
- Department
of Physical Biochemistry, Faculty of Biochemistry, Biophysics and
Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Krzysztof Szczubiałka
- Department
of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Krzysztof Pyrć
- Virogenetics
Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland
| | - Maria Nowakowska
- Department
of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
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4
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Unexpected counterion exchange influencing fundamental characteristics of quaternary ammonium chitosan salt. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123562] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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5
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Pouyan P, Nie C, Bhatia S, Wedepohl S, Achazi K, Osterrieder N, Haag R. Inhibition of Herpes Simplex Virus Type 1 Attachment and Infection by Sulfated Polyglycerols with Different Architectures. Biomacromolecules 2021; 22:1545-1554. [PMID: 33706509 DOI: 10.1021/acs.biomac.0c01789] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Inhibition of herpes simplex virus type 1 (HSV-1) binding to the host cell surface by highly sulfated architectures is among the promising strategies to prevent virus entry and infection. However, the structural flexibility of multivalent inhibitors plays a major role in effective blockage and inhibition of virus receptors. In this study, we demonstrate the inhibitory effect of a polymer scaffold on the HSV-1 infection by using highly sulfated polyglycerols with different architectures (linear, dendronized, and hyperbranched). IC50 values for all synthesized sulfated polyglycerols and the natural sulfated polymer heparin were determined using plaque reduction infection assays. Interestingly, an increase in the IC50 value from 0.03 to 374 nM from highly flexible linear polyglycerol sulfate (LPGS) to less flexible scaffolds, namely, dendronized polyglycerol sulfate and hyperbranched polyglycerol sulfate was observed. The most potent LPGS inhibits HSV-1 infection 295 times more efficiently than heparin, and we show that LPGS has a much reduced anticoagulant capacity when compared to heparin as evidenced by measuring the activated partial thromboplastin time. Furthermore, prevention of infection by LPGS and the commercially available drug acyclovir were compared. All tested sulfated polymers do not show any cytotoxicity at concentrations of up to 1 mg/mL in different cell lines. We conclude from our results that more flexible polyglycerol sulfates are superior to less flexible sulfated polymers with respect to inhibition of HSV-1 infection and may constitute an alternative to the current antiviral treatments of this ubiquitous pathogen.
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Affiliation(s)
- Paria Pouyan
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, Berlin 14195, Germany
| | - Chuanxiong Nie
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, Berlin 14195, Germany.,Institut für Virologie, Robert von Ostertag-Haus, Zentrum für Infektionsmedizin, Freie Universität Berlin, Robert-von-Ostertag-Street 7-13, Berlin 14163, Germany
| | - Sumati Bhatia
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, Berlin 14195, Germany
| | - Stefanie Wedepohl
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee. 22, Berlin 14195, Germany
| | - Katharina Achazi
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee. 22, Berlin 14195, Germany
| | - Nikolaus Osterrieder
- Institut für Virologie, Robert von Ostertag-Haus, Zentrum für Infektionsmedizin, Freie Universität Berlin, Robert-von-Ostertag-Street 7-13, Berlin 14163, Germany.,Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon Tong TYB-1B-507, Hong Kong
| | - Rainer Haag
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, Berlin 14195, Germany
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6
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Bianculli RH, Mase JD, Schulz MD. Antiviral Polymers: Past Approaches and Future Possibilities. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01273] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Rachel H. Bianculli
- Department of Chemistry, Macromolecules Innovation Institute (MII), Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Jonathan D. Mase
- Department of Chemistry, Macromolecules Innovation Institute (MII), Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Michael D. Schulz
- Department of Chemistry, Macromolecules Innovation Institute (MII), Virginia Tech, Blacksburg, Virginia 24061, United States
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7
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Sahu DK, Pradhan D, Naik PK, Kar B, Ghosh G, Rath G. Smart polymeric eye gear: A possible preventive measure against ocular transmission of COVID-19. Med Hypotheses 2020; 144:110288. [PMID: 33254590 PMCID: PMC7494557 DOI: 10.1016/j.mehy.2020.110288] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 08/08/2020] [Accepted: 09/14/2020] [Indexed: 12/24/2022]
Abstract
The angiotensin-converting enzyme 2(ACE-2) receptors with approx. 0.8% congestion in conjunctival surface, leads to increase susceptibility of Covid-19 transmission through ocular surface. It has been observed that prophylactic measures such as goggle or face shield are unable to offer complete protection against ocular transmission of SRS-CoV-2. Hence, it is hypothesized that topical ocular prophylaxis using biocompatible polymers with reported in-vitro and in-vivo evidence of ACE inhibition and antiviral activity appears to be a promising strategy for preventing ocular transmission of Covid-19 to healthcare workers. They are capable of binding to ACE-2 receptors which may provide highly potential trails to block virus entry to host cells. Further biopolymers imparting antiviral activities greatly improve their protective performance. They not only provide prolong protection but also are safe for long-term use. This article discusses the description of structural and functional attributes of ACE-2 to identify appropriate polymer with better binding affinity. Furthermore, potential polymers with appropriate concentration are suggested for evaluation through a hypothesis to consider them for Covid-19 implication.
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Affiliation(s)
- Dipak Kumar Sahu
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Odisha, India
| | - Deepak Pradhan
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Odisha, India
| | - Pradeep Kumar Naik
- Department of Biotechnology & Bioinformatics, Sambalpur University, Odisha, India
| | - Biswakanth Kar
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Odisha, India
| | - Goutam Ghosh
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Odisha, India
| | - Goutam Rath
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Odisha, India.
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8
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Botwina P, Obłoza M, Szczepański A, Szczubiałka K, Nowakowska M, Pyrć K. In Vitro Inhibition of Zika Virus Replication with Poly(Sodium 4-Styrenesulfonate). Viruses 2020; 12:E926. [PMID: 32842540 PMCID: PMC7551931 DOI: 10.3390/v12090926] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/19/2020] [Accepted: 08/20/2020] [Indexed: 12/28/2022] Open
Abstract
Zika virus (ZIKV) is an emerging mosquito-borne pathogen associated with microcephaly and other congenital abnormalities in newborns as well as neurologic complications in adults. The explosive transmission of the virus in the last ten years put it in the limelight and improved our understanding of its biology and pathology. Currently, no vaccine or drugs are available to prevent or treat ZIKV infections. Knowing the potential of flaviviruses to broaden their geographic distribution, as observed for the West Nile virus, it is of importance to develop novel antiviral strategies. In this work, we identified poly(sodium 4-styrenesulfonate) (PSSNa) as a new polymeric ZIKV inhibitor. We demonstrated that PSSNa inhibits ZIKV replication in vitro both in animal and human cells, while no cytotoxicity is observed. Our mechanistic studies indicated that PSSNa acts mostly through direct binding to ZIKV particle and blocking its attachment to the host cells.
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Affiliation(s)
- Paweł Botwina
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland; (P.B.); (A.S.)
- Department of Microbiology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Magdalena Obłoza
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland; (M.O.); (K.S.); (M.N.)
| | - Artur Szczepański
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland; (P.B.); (A.S.)
- Department of Microbiology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Krzysztof Szczubiałka
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland; (M.O.); (K.S.); (M.N.)
| | - Maria Nowakowska
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland; (M.O.); (K.S.); (M.N.)
| | - Krzysztof Pyrć
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland; (P.B.); (A.S.)
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9
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Li W, Xu C, Hao C, Zhang Y, Wang Z, Wang S, Wang W. Inhibition of herpes simplex virus by myricetin through targeting viral gD protein and cellular EGFR/PI3K/Akt pathway. Antiviral Res 2020; 177:104714. [PMID: 32165083 PMCID: PMC7111628 DOI: 10.1016/j.antiviral.2020.104714] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 12/23/2019] [Accepted: 01/20/2020] [Indexed: 12/21/2022]
Abstract
Myricetin, a common dietary flavonoid, was reported to possess many different biological activities such as anti-oxidant, anti-inflammatory, and antiviral effects. In this study, we explored the anti-HSV effects and mechanisms of myricetin both in vitro and in vivo. The results showed that myricetin possessed anti-HSV-1 and HSV-2 activities with very low toxicity, superior to the effects of acyclovir. Myricetin may block HSV infection through direct interaction with virus gD protein to interfere with virus adsorption and membrane fusion, which was different from the nucleoside analogues such as acyclovir. Myricetin also down-regulate the cellular EGFR/PI3K/Akt signaling pathway to further inhibit HSV infection and its subsequent replication. Most importantly, intraperitoneal therapy of myricetin markedly improved mice survival and reduced virus titers in both lungs and spinal cord. Therefore, the natural dietary flavonoid myricetin has potential to be developed into a novel anti-HSV agent targeting both virus gD protein and cellular EGFR/PI3K/Akt pathway. Myricetin possessed anti-HSV-1 and HSV-2 activities in vitro with low toxicity. Myricetin may be able to block HSV binding and entry process in HeLa cells. Myricetin may directly bind to virus gD protein rather than cellular receptors of HSV. The EGFR/PI3K/Akt pathway may be involved in the anti-HSV actions of myricetin. Myricetin markedly improved survival and reduced virus titers in HSV infected mice.
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Affiliation(s)
- Wenmiao Li
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, PR China
| | - Cuijing Xu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, PR China
| | - Cui Hao
- Systems Biology & Medicine Center for Complex Diseases, Affiliated Hospital of Qingdao University, Qingdao, 266003, PR China.
| | - Yang Zhang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, PR China
| | - Zhaoqi Wang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, PR China
| | - Shuyao Wang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, PR China
| | - Wei Wang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education; School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, PR China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, PR China.
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10
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Pachota M, Kłysik-Trzciańska K, Synowiec A, Yukioka S, Yusa SI, Zając M, Zawilinska B, Dzieciątkowski T, Szczubialka K, Pyrc K, Nowakowska M. Highly Effective and Safe Polymeric Inhibitors of Herpes Simplex Virus in Vitro and in Vivo. ACS APPLIED MATERIALS & INTERFACES 2019; 11:26745-26752. [PMID: 31287654 DOI: 10.1021/acsami.9b10302] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
A series of poly(ethylene glycol)-block-poly(3-(methacryloylamino)propyl trimethylammonium chloride) (PEG-b-PMAPTAC) water-soluble block copolymers consisting of PEG and PMPTAC were obtained by reversible addition-fragmentation chain-transfer (RAFT) polymerization and demonstrated to function as highly effective herpes simplex virus type 1 (HSV-1) inhibitors as shown by in vitro tests (Vero E6 cells) and in vivo experiments (mouse model). Half-maximal inhibitory concentration (IC50) values were determined by quantitative polymerase chain reaction to be 0.36 ± 0.08 μg/mL for the most effective polymer PEG45-b-PMAPTAC52 and 0.84 ± 1.24 μg/mL for the less effective one, PEG45-b-PMAPTAC74. The study performed on the mouse model showed that the polymers protect mice from lethal infection. The polymers are not toxic to the primary human skin fibroblast cells up to the concentration of 100 μg/mL and to the Vero E6 cells up to 500 μg/mL. No systemic or topical toxicity was observed in vivo, even with mice treated with concentrated formulation (100 mg/mL). The mechanistic studies indicated that polymers interacted with the cell and blocked the formation of the entry/fusion complex. Physicochemical and biological properties of PEGx-b-PMAPTACy make them promising drug candidates.
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Affiliation(s)
| | | | | | - Shotaro Yukioka
- Department of Applied Chemistry, Graduate School of Engineering , University of Hyogo , Himeji 671-2280 , Hyogo Japan
| | - Shin-Ichi Yusa
- Department of Applied Chemistry, Graduate School of Engineering , University of Hyogo , Himeji 671-2280 , Hyogo Japan
| | | | - Barbara Zawilinska
- Department of Virology, Chair of Microbiology, Faculty of Medicine , Jagiellonian University Medical College , Krakow 31-121 , Poland
| | - Tomasz Dzieciątkowski
- Chair and Department of Medical Microbiology , Warsaw Medical University , Warsaw 02-004 , Poland
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11
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Synowiec A, Gryniuk I, Pachota M, Strzelec Ł, Roman O, Kłysik-Trzciańska K, Zając M, Drebot I, Gula K, Andruchowicz A, Rajfur Z, Szczubiałka K, Nowakowska M, Pyrc K. Cat flu: Broad spectrum polymeric antivirals. Antiviral Res 2019; 170:104563. [PMID: 31325462 DOI: 10.1016/j.antiviral.2019.104563] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 07/15/2019] [Accepted: 07/17/2019] [Indexed: 11/30/2022]
Abstract
Feline herpesvirus type 1 (FHV-1) and feline calicivirus (FCV) are considered as main causes of feline upper respiratory tract disease and the most common clinical manifestations include rhinotracheitis, conjunctivitis, and nasal/facial ulcerations. While the primary infection is relatively mild, secondary infections pose a threat to young or immunocompromised cats and may result in a fatal outcome. In this study, we made an effort to evaluate antiviral potency of poly(sodium 4-styrenesulfonates) (PSSNa) as potent FHV-1 and FCV inhibitors for topical use. Mechanistic studies showed that PSSNa exhibits a different mechanism of action depending on target species. While PSSNa acts directly on FHV-1 particles blocking their interaction with the host's cell and preventing the infection, the antiviral potency against FCV is based on inhibition at late stages of the viral replication cycle. Altogether, PSSNa polymers are promising drug candidates to be used in the treatment and prevention of the viral upper respiratory tract disease (URTD), regardless of the cause.
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Affiliation(s)
- Aleksandra Synowiec
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387, Krakow, Poland; Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387, Krakow, Poland
| | - Irma Gryniuk
- Department of Cell Biophysics, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387, Krakow, Poland
| | - Magdalena Pachota
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387, Krakow, Poland; Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387, Krakow, Poland
| | - Łukasz Strzelec
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387, Krakow, Poland
| | - Olga Roman
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387, Krakow, Poland
| | - Katarzyna Kłysik-Trzciańska
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Krakow, Poland
| | - Mateusz Zając
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Krakow, Poland
| | - Inga Drebot
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387, Krakow, Poland
| | - Katarzyna Gula
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387, Krakow, Poland
| | | | - Zenon Rajfur
- Institute of Physics, Faculty of Physics, Astronomy and Applied Computer Sciences, Jagiellonian University, Lojasiewicza 11, 30-348, Krakow, Poland
| | - Krzysztof Szczubiałka
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Krakow, Poland
| | - Maria Nowakowska
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Krakow, Poland.
| | - Krzysztof Pyrc
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387, Krakow, Poland.
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Dey P, Bergmann T, Cuellar-Camacho JL, Ehrmann S, Chowdhury MS, Zhang M, Dahmani I, Haag R, Azab W. Multivalent Flexible Nanogels Exhibit Broad-Spectrum Antiviral Activity by Blocking Virus Entry. ACS NANO 2018; 12:6429-6442. [PMID: 29894156 DOI: 10.1021/acsnano.8b01616] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The entry process of viruses into host cells is complex and involves stable but transient multivalent interactions with different cell surface receptors. The initial contact of several viruses begins with attachment to heparan sulfate (HS) proteoglycans on the cell surface, which results in a cascade of events that end up with virus entry. The development of antiviral agents based on multivalent interactions to shield virus particles and block initial interactions with cellular receptors has attracted attention in antiviral research. Here, we designed nanogels with different degrees of flexibility based on dendritic polyglycerol sulfate to mimic cellular HS. The designed nanogels are nontoxic and broad-spectrum, can multivalently interact with viral glycoproteins, shield virus surfaces, and efficiently block infection. We also visualized virus-nanogel interactions as well as the uptake of nanogels by the cells through clathrin-mediated endocytosis using confocal microscopy. As many human viruses attach to the cells through HS moieties, we introduce our flexible nanogels as robust inhibitors for these viruses.
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Affiliation(s)
- Pradip Dey
- Institut für Chemie und Biochemie , Freie Universität Berlin , Takustrasse 3 , 14195 Berlin , Germany
- Polymer Science Unit , Indian Association for the Cultivation of Science , 2A and 2B Raja S.C. Mullick Road , Kolkata 700032 , India
| | - Tobias Bergmann
- Institut für Virologie, Robert von Ostertag-Haus, Zentrum für Infektionsmedizin , Freie Universität Berlin , Robert-von-Ostertag-Str. 7-13 , 14163 Berlin , Germany
| | - Jose Luis Cuellar-Camacho
- Institut für Chemie und Biochemie , Freie Universität Berlin , Takustrasse 3 , 14195 Berlin , Germany
| | - Svenja Ehrmann
- Institut für Chemie und Biochemie , Freie Universität Berlin , Takustrasse 3 , 14195 Berlin , Germany
| | - Mohammad Suman Chowdhury
- Institut für Chemie und Biochemie , Freie Universität Berlin , Takustrasse 3 , 14195 Berlin , Germany
| | - Minze Zhang
- Institut für Virologie, Robert von Ostertag-Haus, Zentrum für Infektionsmedizin , Freie Universität Berlin , Robert-von-Ostertag-Str. 7-13 , 14163 Berlin , Germany
| | - Ismail Dahmani
- Institute of Biochemistry and Biology , University of Potsdam , Karl-Liebknecht-Str. 24-25 , 14476 Potsdam , Germany
| | - Rainer Haag
- Institut für Chemie und Biochemie , Freie Universität Berlin , Takustrasse 3 , 14195 Berlin , Germany
| | - Walid Azab
- Institut für Virologie, Robert von Ostertag-Haus, Zentrum für Infektionsmedizin , Freie Universität Berlin , Robert-von-Ostertag-Str. 7-13 , 14163 Berlin , Germany
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