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Sarkar S, Dyett B, Lakic B, Ball AS, Yeo LY, White JF, Soni S, Drummond CJ, Conn CE. Cubosome Lipid Nanocarriers As a Drug Delivery Vehicle for Intracellular Mycobacterium tuberculosis Infections. ACS APPLIED MATERIALS & INTERFACES 2023; 15:21819-21829. [PMID: 37018059 DOI: 10.1021/acsami.3c00101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Mycobacterium tuberculosis (MTB) causes the infectious disease tuberculosis (TB), responsible for more deaths than any other single infectious disease in history. Intracellular MTB are slow growing and difficult to target with traditional antitubercular drugs, leading to the emergence of multidrug resistance in TB infection, which is a major global public health issue. Recent advances in innovative lipid nanotechnologies for drug delivery have demonstrated promising outcomes for chronic infectious diseases but have not yet been tested as potential delivery systems for intracellular infections such as TB. The current study evaluates the potential of monoolein (MO)-based cationic cubosomes for the encapsulation and delivery of the first line antitubercular drug rifampicin (RIF) against an MTB-H37Ra in vitro culture model. In particular, we show that the use of cationic cubosomes as delivery vehicles reduced the minimum inhibitory concentration (MIC) of RIF by 2-fold against actively replicating MTB-H37Ra (compared to that of the free drug) and also shortened the lifecycle duration of axenic MTB-H37Ra from 5 to 3 days. The cubosome-mediated delivery was also found to be effective against intracellular MTB-H37Ra within THP-1 human macrophages, with a 2.8 log reduction in viability of the bacilli after 6 days incubation at the MIC. The killing time was also reduced from 8 to 6 days without distressing the host macrophages. Mechanistic studies on the uptake of RIF-loaded cationic cubosomes using total internal reflection fluorescence microscopy (TIRFM) demonstrated the capacity of these lipid particles to effectively target intracellular bacteria. Overall, these results demonstrate that cationic cubosomes are a potent delivery system for the antitubercular drug RIF for therapeutic management of TB.
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Affiliation(s)
- Sampa Sarkar
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
| | - Brendan Dyett
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
| | - Biserka Lakic
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
| | - Andrew S Ball
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
| | - Leslie Y Yeo
- School of Engineering, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
| | - Jacinta F White
- The Commonwealth Scientific and Industrial Research Organisation, Manufacturing, Clayton, Victoria 3169, Australia
| | - Sarvesh Soni
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
| | - Calum J Drummond
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
| | - Charlotte E Conn
- School of Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
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Pyrvinium Pamoate: Past, Present, and Future as an Anti-Cancer Drug. Biomedicines 2022; 10:biomedicines10123249. [PMID: 36552005 PMCID: PMC9775650 DOI: 10.3390/biomedicines10123249] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 12/09/2022] [Accepted: 12/13/2022] [Indexed: 12/15/2022] Open
Abstract
Pyrvinium, a lipophilic cation belonging to the cyanine dye family, has been used in the clinic as a safe and effective anthelminthic for over 70 years. Its structure, similar to some polyaminopyrimidines and mitochondrial-targeting peptoids, has been linked with mitochondrial localization and targeting. Over the past two decades, increasing evidence has emerged showing pyrvinium to be a strong anti-cancer molecule in various human cancers in vitro and in vivo. This efficacy against cancers has been attributed to diverse mechanisms of action, with the weight of evidence supporting the inhibition of mitochondrial function, the WNT pathway, and cancer stem cell renewal. Despite the overwhelming evidence demonstrating the efficacy of pyrvinium for the treatment of human cancers, pyrvinium has not yet been repurposed for the treatment of cancers. This review provides an in-depth analysis of the history of pyrvinium as a therapeutic, the rationale and data supporting its use as an anticancer agent, and the challenges associated with repurposing pyrvinium as an anti-cancer agent.
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Kaul G, Karale UB, Akhir A, Shukla M, Saxena D, Rode HB, Chopra S. Pyrvinium pamoate potentiates levofloxacin against levofloxacin-resistant Staphylococcus aureus. Future Microbiol 2022; 17:1475-1486. [DOI: 10.2217/fmb-2022-0159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background: Drug repurposing is a viable approach to expediting the tedious conventional drug discovery process, given rapidly increasing bacterial resistance. In this context, we have repurposed pyrvinium pamoate (PP) for its antibacterial activity against Staphylococcus aureus. Methods: US FDA-approved non-antibiotics were screened against clinically relevant bacterial pathogens to identify antibacterials. The hits were further evaluated utilizing a variety of preclinical parameters, following which in vivo efficacy was estimated in isolation and in combination in a murine neutropenic thigh infection model. Result: The screening identified PP exhibiting potent activity against S. aureus along with concentration-dependent killing. PP also showed a post-antibiotic effect of >22 h and significantly eradicated preformed S. aureus biofilms and intracellular S. aureus at 1× and 5× MIC, respectively. PP synergized with levofloxacin both in vitro and in vivo, resulting in ∼1.5 and ∼0.5 log10 CFU/g reduction against susceptible and resistant S. aureus infections, respectively, as compared with untreated control. Conclusion: Pyrvinium potentiates levofloxacin against levofloxacin-resistant S. aureus.
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Affiliation(s)
- Grace Kaul
- Division of Molecular Microbiology & Immunology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Janakipuram Extension, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Uttam B Karale
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad, 500007, India
| | - Abdul Akhir
- Division of Molecular Microbiology & Immunology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Janakipuram Extension, Lucknow, Uttar Pradesh, 226031, India
| | - Manjulika Shukla
- Division of Molecular Microbiology & Immunology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Janakipuram Extension, Lucknow, Uttar Pradesh, 226031, India
| | - Deepanshi Saxena
- Division of Molecular Microbiology & Immunology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Janakipuram Extension, Lucknow, Uttar Pradesh, 226031, India
| | - Haridas B Rode
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad, 500007, India
| | - Sidharth Chopra
- Division of Molecular Microbiology & Immunology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Janakipuram Extension, Lucknow, Uttar Pradesh, 226031, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
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Perveen S, Kumari D, Singh K, Sharma R. Tuberculosis drug discovery: Progression and future interventions in the wake of emerging resistance. Eur J Med Chem 2022; 229:114066. [PMID: 34973508 DOI: 10.1016/j.ejmech.2021.114066] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 12/13/2021] [Accepted: 12/19/2021] [Indexed: 02/06/2023]
Abstract
The emergence of drug resistance continues to afflict TB control where drug resistant strains have become a global health concern. Contrary to drug-sensitive TB, the treatment of MDR/XDR-TB is more complicated requiring the administration of second-line drugs that are inefficient than the first line drugs and are associated with greater side effects. The emergence of drug resistant Mtb strains had coincided with an innovation void in the field of drug discovery of anti-mycobacterials. However, the approval of bedaquiline and delamanid recently for use in MDR/XDR-TB has given an impetus to the TB drug discovery. The review discusses the drug discovery efforts in the field of tuberculosis with a focus on the strategies adopted and challenges confronted by TB research community. Here, we discuss the diverse clinical candidates in the current TB drug discovery pipeline. There is an urgent need to combat the current TB menace through multidisciplinary approaches and strategies making use of the recent advances in understanding the molecular biology and pathogenesis of Mtb. The review highlights the recent advances in drug discovery, with the host directed therapeutics and nanoparticles-drug delivery coming up as important tools to fight tuberculosis in the future.
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Affiliation(s)
- Summaya Perveen
- Infectious Diseases Division, CSIR- Indian Institute of Integrative Medicine, Jammu, 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Diksha Kumari
- Infectious Diseases Division, CSIR- Indian Institute of Integrative Medicine, Jammu, 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Kuljit Singh
- Infectious Diseases Division, CSIR- Indian Institute of Integrative Medicine, Jammu, 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Rashmi Sharma
- Infectious Diseases Division, CSIR- Indian Institute of Integrative Medicine, Jammu, 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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Gunderson EL, Bryant C, Bulman CA, Fischer C, Luo M, Vogel I, Lim KC, Jawahar S, Tricoche N, Voronin D, Corbo C, Ayiseh RB, Manfo FPT, Mbah GE, Cho-Ngwa F, Beerntsen B, Renslo AR, Lustigman S, Sakanari JA. Pyrvinium Pamoate and Structural Analogs Are Early Macrofilaricide Leads. Pharmaceuticals (Basel) 2022; 15:189. [PMID: 35215301 PMCID: PMC8880385 DOI: 10.3390/ph15020189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 01/05/2022] [Accepted: 01/07/2022] [Indexed: 12/05/2022] Open
Abstract
Onchocerciasis and lymphatic filariasis are neglected tropical diseases caused by infection with filarial worms. Annual or biannual mass drug administration with microfilaricidal drugs that kill the microfilarial stages of the parasites has helped reduce infection rates and thus prevent transmission of both infections. However, success depends on high population coverage that is maintained for the duration of the adult worm's lifespan. Given that these filarial worms can live up to 14 years in their human hosts, a macrofilaricidal drug would vastly accelerate elimination efforts. Here, we have evaluated the repurposed drug pyrvinium pamoate as well as newly synthesized analogs of pyrvinium for their efficacy against filarial worms in vitro and in vivo. We found that pyrvinium pamoate, tetrahydropyrvinium and one of the analogs were highly potent in inhibiting worms in in vitro whole-worm screening assays, and that all three compounds reduced female worm fecundity and inhibited embryogenesis in the Brugia pahangi-gerbil in vivo model of infection.
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Affiliation(s)
- Emma L. Gunderson
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA 94158, USA; (E.L.G.); (C.B.); (C.A.B.); (C.F.); (M.L.); (I.V.); (K.-C.L.); (A.R.R.)
| | - Clifford Bryant
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA 94158, USA; (E.L.G.); (C.B.); (C.A.B.); (C.F.); (M.L.); (I.V.); (K.-C.L.); (A.R.R.)
| | - Christina A. Bulman
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA 94158, USA; (E.L.G.); (C.B.); (C.A.B.); (C.F.); (M.L.); (I.V.); (K.-C.L.); (A.R.R.)
| | - Chelsea Fischer
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA 94158, USA; (E.L.G.); (C.B.); (C.A.B.); (C.F.); (M.L.); (I.V.); (K.-C.L.); (A.R.R.)
| | - Mona Luo
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA 94158, USA; (E.L.G.); (C.B.); (C.A.B.); (C.F.); (M.L.); (I.V.); (K.-C.L.); (A.R.R.)
| | - Ian Vogel
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA 94158, USA; (E.L.G.); (C.B.); (C.A.B.); (C.F.); (M.L.); (I.V.); (K.-C.L.); (A.R.R.)
| | - Kee-Chong Lim
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA 94158, USA; (E.L.G.); (C.B.); (C.A.B.); (C.F.); (M.L.); (I.V.); (K.-C.L.); (A.R.R.)
| | - Shabnam Jawahar
- Molecular Parasitology, New York Blood Center, Lindsley F. Kimball Research Institute, New York, NY 10065, USA; (S.J.); (N.T.); (D.V.)
| | - Nancy Tricoche
- Molecular Parasitology, New York Blood Center, Lindsley F. Kimball Research Institute, New York, NY 10065, USA; (S.J.); (N.T.); (D.V.)
| | - Denis Voronin
- Molecular Parasitology, New York Blood Center, Lindsley F. Kimball Research Institute, New York, NY 10065, USA; (S.J.); (N.T.); (D.V.)
| | - Christopher Corbo
- Department of Biological Sciences, Wagner College, Staten Island, NY 10301, USA;
| | - Rene B. Ayiseh
- ANDI Centre of Excellence for Onchocerciasis Drug Research, Biotechnology Unit, Faculty of Science, University of Buea, Buea P.O. Box 63, Cameroon; (R.B.A.); (F.P.T.M.); (G.E.M.); (F.C.-N.)
| | - Faustin P. T. Manfo
- ANDI Centre of Excellence for Onchocerciasis Drug Research, Biotechnology Unit, Faculty of Science, University of Buea, Buea P.O. Box 63, Cameroon; (R.B.A.); (F.P.T.M.); (G.E.M.); (F.C.-N.)
| | - Glory E. Mbah
- ANDI Centre of Excellence for Onchocerciasis Drug Research, Biotechnology Unit, Faculty of Science, University of Buea, Buea P.O. Box 63, Cameroon; (R.B.A.); (F.P.T.M.); (G.E.M.); (F.C.-N.)
- Higher Teacher Training College (HTTC), The University of Bamenda, Bamenda P.O. Box 39, Cameroon
| | - Fidelis Cho-Ngwa
- ANDI Centre of Excellence for Onchocerciasis Drug Research, Biotechnology Unit, Faculty of Science, University of Buea, Buea P.O. Box 63, Cameroon; (R.B.A.); (F.P.T.M.); (G.E.M.); (F.C.-N.)
| | - Brenda Beerntsen
- Department of Veterinary Pathobiology, University of Missouri-Columbia, Columbia, MO 65211, USA;
| | - Adam R. Renslo
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA 94158, USA; (E.L.G.); (C.B.); (C.A.B.); (C.F.); (M.L.); (I.V.); (K.-C.L.); (A.R.R.)
| | - Sara Lustigman
- Molecular Parasitology, New York Blood Center, Lindsley F. Kimball Research Institute, New York, NY 10065, USA; (S.J.); (N.T.); (D.V.)
| | - Judy A. Sakanari
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA 94158, USA; (E.L.G.); (C.B.); (C.A.B.); (C.F.); (M.L.); (I.V.); (K.-C.L.); (A.R.R.)
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Perveen S, Sharma R. Screening approaches and therapeutic targets: The two driving wheels of tuberculosis drug discovery. Biochem Pharmacol 2022; 197:114906. [PMID: 34990594 DOI: 10.1016/j.bcp.2021.114906] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 12/28/2021] [Accepted: 12/28/2021] [Indexed: 12/21/2022]
Abstract
Tuberculosis (TB) is an infectious disease, infecting a quarter of world's population. Drug resistant TB further exacerbates the grim scenario of the drying TB drug discovery pipeline. The limited arsenal to fight TB presses the need for thorough efforts for identifying promising hits to combat the disease. The review highlights the efforts in the field of tuberculosis drug discovery, with an emphasis on massive drug screening campaigns for identifying novel hits against Mtb in both industry and academia. As an intracellular pathogen, mycobacteria reside in a complicated intracellular environment with multiple factors at play. Here, we outline various strategies employed in an effort to mimic the intracellular milieu for bringing the screening models closer to the actual settings. The review also focuses on the novel targets and pathways that could aid in target-based drug discovery in TB. The recent high throughput screening efforts resulting in the identification of potent hits against Mtb has been summarized in this article. There is a pressing need for effective screening strategies and approaches employing innovative tools and recent technologies; including nanotechnology, gene-editing tools such as CRISPR-cas system, host-directed bacterial killing and high content screening to augment the TB drug discovery pipeline with safer and shorter drug regimens.
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Affiliation(s)
- Summaya Perveen
- Infectious Diseases Division, CSIR- Indian Institute of Integrative Medicine, Jammu 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Rashmi Sharma
- Infectious Diseases Division, CSIR- Indian Institute of Integrative Medicine, Jammu 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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Lee C, Bhakta S. The Prospect of Repurposing Immunomodulatory Drugs for Adjunctive Chemotherapy against Tuberculosis: A Critical Review. Antibiotics (Basel) 2021; 10:91. [PMID: 33477812 PMCID: PMC7832907 DOI: 10.3390/antibiotics10010091] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/12/2021] [Accepted: 01/16/2021] [Indexed: 01/16/2023] Open
Abstract
Tuberculosis (TB) remains a global health emergency, with an estimated 2 billion people infected across the world, and 1.4 million people dying to this disease every year. Many aspects of the causative agent, Mycobacterium tuberculosis, make this disease difficult for healthcare and laboratory researchers to fight against, such as unique pathophysiology, latent infection and long and complex treatment regimens, thus causing patient non-compliance with the treatment. Development of new drugs is critical for tackling these problems. Repurposing drugs is a promising strategy for generating an effective drug treatment whilst circumventing many of the challenges of conventional drug development. In this regard, the incorporation of immunomodulatory drugs into the standard regimen to potentiate frontline drugs is found to be highly appealing. Drugs of diverse chemical classes and drug categories are increasingly being evidenced to possess antitubercular activity, both in vitro and in vivo. This article explores and discusses the molecular entities that have shown promise in being repurposed for use in anti-TB adjunctive therapy and aims to provide the most up-to-date picture of their progress.
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Affiliation(s)
- Chiyun Lee
- Department of Biochemistry, University of Cambridge, Hopkins Building, Tennis Court Road, Cambridge CB2 1QW, UK;
- Mycobacteria Research Laboratory, Department of Biological Sciences, The Institute of Structural and Molecular Biology, Birkbeck, University of London, Malet Street, London WC1E 7HX, UK
| | - Sanjib Bhakta
- Mycobacteria Research Laboratory, Department of Biological Sciences, The Institute of Structural and Molecular Biology, Birkbeck, University of London, Malet Street, London WC1E 7HX, UK
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