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Ali DH, Gaji RY. TKL family kinases in human apicomplexan pathogens. Mol Biochem Parasitol 2024; 259:111628. [PMID: 38719028 DOI: 10.1016/j.molbiopara.2024.111628] [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: 01/18/2024] [Revised: 03/28/2024] [Accepted: 04/30/2024] [Indexed: 05/18/2024]
Abstract
Apicomplexan parasites are the primary causative agents of many human diseases, including malaria, toxoplasmosis, and cryptosporidiosis. These opportunistic pathogens undergo complex life cycles with multiple developmental stages, wherein many key steps are regulated by phosphorylation mechanisms. The genomes of apicomplexan pathogens contain protein kinases from different groups including tyrosine kinase-like (TKL) family proteins. Although information on the role of TKL kinases in apicomplexans is quite limited, recent studies have revealed the important role of this family of proteins in apicomplexan biology. TKL kinases in these protozoan pathogens show unique organization with many novel domains thus making them attractive candidates for drug development. In this mini review, we summarize the current understanding of the role of TKL kinases in human apicomplexan pathogens' (Toxoplasma gondii, Plasmodium falciparum and Cryptosporidium parvum) biology and pathogenesis.
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Affiliation(s)
- Dima Hajj Ali
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, USA
| | - Rajshekhar Y Gaji
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, USA.
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2
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Dai Y, Liang Y, Liu C, Liu T, Chen L, Li Y. Can artemisinin and its derivatives treat malaria in a host-directed manner? Biochem Pharmacol 2024; 225:116260. [PMID: 38705539 DOI: 10.1016/j.bcp.2024.116260] [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: 02/27/2024] [Revised: 04/17/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
Malaria is caused by an apicomplexan protozoan parasite, Plasmodium, and is transmitted through vectors. It remains a substantial health burden, especially in developing countries, leading to significant socioeconomic losses. Although the World Health Organization (WHO) has approved various antimalarial medications in the past two decades, the increasing resistance to these medications has worsened the situation. The development of drug resistance stems from genetic diversity among Plasmodium strains, impeding eradication efforts. Consequently, exploring innovative technologies and strategies for developing effective medications based on the host is crucial. Artemisinin and its derivatives (artemisinins) have been recommended by the WHO for treating malaria owing to their known effectiveness in killing the parasite. However, their potential to target the host for malaria treatment has not been investigated. This article concisely reviews the application of host-directed therapeutics, potential drug candidates targeting the host for treating malaria, and usage of artemisinins in numerous diseases. It underscores the importance of host-directed interventions for individuals susceptible to malaria, suggests the potential utility of artemisinins in host-directed malaria treatments, and posits that the modulation of host proteins with artemisinins may offer a means of intervening in host-parasite interactions. Further studies focusing on the host-targeting perspective of artemisinins can provide new insights into the mechanisms of artemisinin resistance and offer a unique opportunity for new antimalarial drug discovery.
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Affiliation(s)
- Yue Dai
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; Artemisinin Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Yan Liang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; Artemisinin Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Chengcheng Liu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; Artemisinin Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Tuo Liu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; Artemisinin Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Lina Chen
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China; Artemisinin Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Yujie Li
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
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Rios KT, McGee JP, Sebastian A, Moritz RL, Feric M, Absalon S, Swearingen KE, Lindner SE. Global Release of Translational Repression Across Plasmodium's Host-to-Vector Transmission Event. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.01.577866. [PMID: 38352447 PMCID: PMC10862809 DOI: 10.1101/2024.02.01.577866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/25/2024]
Abstract
Malaria parasites must be able to respond quickly to changes in their environment, including during their transmission between mammalian hosts and mosquito vectors. Therefore, before transmission, female gametocytes proactively produce and translationally repress mRNAs that encode essential proteins that the zygote requires to establish a new infection. This essential regulatory control requires the orthologues of DDX6 (DOZI), LSM14a (CITH), and ALBA proteins to form a translationally repressive complex in female gametocytes that associates with many of the affected mRNAs. However, while the release of translational repression of individual mRNAs has been documented, the details of the global release of translational repression have not. Moreover, the changes in spatial arrangement and composition of the DOZI/CITH/ALBA complex that contribute to translational control are also not known. Therefore, we have conducted the first quantitative, comparative transcriptomics and DIA-MS proteomics of Plasmodium parasites across the host-to-vector transmission event to document the global release of translational repression. Using female gametocytes and zygotes of P. yoelii, we found that nearly 200 transcripts are released for translation soon after fertilization, including those with essential functions for the zygote. However, we also observed that some transcripts remain repressed beyond this point. In addition, we have used TurboID-based proximity proteomics to interrogate the spatial and compositional changes in the DOZI/CITH/ALBA complex across this transmission event. Consistent with recent models of translational control, proteins that associate with either the 5' or 3' end of mRNAs are in close proximity to one another during translational repression in female gametocytes and then dissociate upon release of repression in zygotes. This observation is cross-validated for several protein colocalizations in female gametocytes via ultrastructure expansion microscopy and structured illumination microscopy. Moreover, DOZI exchanges its interaction from NOT1-G in female gametocytes to the canonical NOT1 in zygotes, providing a model for a trigger for the release of mRNAs from DOZI. Finally, unenriched phosphoproteomics revealed the modification of key translational control proteins in the zygote. Together, these data provide a model for the essential translational control mechanisms used by malaria parasites to promote their efficient transmission from their mammalian host to their mosquito vector.
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Affiliation(s)
- Kelly T. Rios
- Department of Biochemistry and Molecular Biology, Pennsylvania State University, University Park, PA 16802
- Center for Eukaryotic Gene Regulation, Pennsylvania State University, University Park, PA, 16802
| | - James P. McGee
- Department of Biochemistry and Molecular Biology, Pennsylvania State University, University Park, PA 16802
- Center for Eukaryotic Gene Regulation, Pennsylvania State University, University Park, PA, 16802
| | - Aswathy Sebastian
- Huck Institutes of the Life Sciences, Pennsylvania State University, University Park, PA, 16802
| | | | - Marina Feric
- Department of Biochemistry and Molecular Biology, Pennsylvania State University, University Park, PA 16802
| | - Sabrina Absalon
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202
| | | | - Scott E. Lindner
- Department of Biochemistry and Molecular Biology, Pennsylvania State University, University Park, PA 16802
- Huck Center for Malaria Research, Pennsylvania State University, University Park, PA, 16802
- Center for Eukaryotic Gene Regulation, Pennsylvania State University, University Park, PA, 16802
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Wang L, Bohmer MJ, Wang J, Nardella F, Calla J, Laureano De Souza M, Schindler KA, Montejo L, Mittal N, Rocamora F, Treat M, Charlton JT, Tumwebaze PK, Rosenthal PJ, Cooper RA, Chakrabarti R, Winzeler EA, Chakrabarti D, Gray NS. Discovery of Potent Antimalarial Type II Kinase Inhibitors with Selectivity over Human Kinases. J Med Chem 2024; 67:1460-1480. [PMID: 38214254 PMCID: PMC10950204 DOI: 10.1021/acs.jmedchem.3c02046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Abstract
While progress has been made in the effort to eradicate malaria, the disease remains a significant threat to global health. Acquired resistance to frontline treatments is emerging in Africa, urging a need for the development of novel antimalarial agents. Repurposing human kinase inhibitors provides a potential expedited route given the availability of a diverse array of kinase-targeting drugs that are approved or in clinical trials. Phenotypic screening of a library of type II human kinase inhibitors identified compound 1 as a lead antimalarial, which was initially developed to target human ephrin type A receptor 2 (EphA2). Here, we report a structure-activity relationship study and lead optimization of compound 1, which led to compound 33, with improved antimalarial activity and selectivity.
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Affiliation(s)
- Lushun Wang
- Department of Chemical and Systems Biology, ChEM-H, Stanford Cancer Institute, School of Medicine, Stanford University, Stanford, California 94305, United States
| | - Monica J Bohmer
- Division of Molecular Microbiology, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida 32826, United States
| | - Jinhua Wang
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02215, United States
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
| | - Flore Nardella
- Division of Molecular Microbiology, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida 32826, United States
| | - Jaeson Calla
- Department of Pediatrics, School of Medicine, University California, San Diego, La Jolla, California 92093, United States
| | - Mariana Laureano De Souza
- Department of Pediatrics, School of Medicine, University California, San Diego, La Jolla, California 92093, United States
| | - Kyra A Schindler
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, New York 10032, United States
| | - Lukas Montejo
- Division of Molecular Microbiology, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida 32826, United States
| | - Nimisha Mittal
- Department of Pediatrics, School of Medicine, University California, San Diego, La Jolla, California 92093, United States
| | - Frances Rocamora
- Department of Pediatrics, School of Medicine, University California, San Diego, La Jolla, California 92093, United States
| | - Mayland Treat
- School of Public Health, University of California, Berkeley California 94704, United States
| | - Jordan T Charlton
- Department of Natural Sciences and Mathematics, Dominican University of California, San Rafael, California 94901, United States
| | | | - Philip J Rosenthal
- Department of Medicine, University of California, San Francisco, California 94110, United States
| | - Roland A Cooper
- Department of Natural Sciences and Mathematics, Dominican University of California, San Rafael, California 94901, United States
| | - Ratna Chakrabarti
- Division of Cancer Research, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida 32826, United States
| | - Elizabeth A Winzeler
- Department of Pediatrics, School of Medicine, University California, San Diego, La Jolla, California 92093, United States
| | - Debopam Chakrabarti
- Division of Molecular Microbiology, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida 32826, United States
| | - Nathanael S Gray
- Department of Chemical and Systems Biology, ChEM-H, Stanford Cancer Institute, School of Medicine, Stanford University, Stanford, California 94305, United States
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Ong HW, de Silva C, Avalani K, Kwarcinski F, Mansfield CR, Chirgwin M, Truong A, Derbyshire ER, Zutshi R, Drewry DH. Characterization of 2,4-Dianilinopyrimidines Against Five P. falciparum Kinases PfARK1, PfARK3, PfNEK3, PfPK9, and PfPKB. ACS Med Chem Lett 2023; 14:1774-1784. [PMID: 38116430 PMCID: PMC10726455 DOI: 10.1021/acsmedchemlett.3c00354] [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: 09/15/2023] [Revised: 11/13/2023] [Accepted: 11/14/2023] [Indexed: 12/21/2023] Open
Abstract
Plasmodium kinases are increasingly recognized as potential novel antiplasmodial targets for the treatment of malaria, but only a small subset of these kinases have had structure-activity relationship (SAR) campaigns reported. Herein we report the discovery of CZC-54252 (1) as an inhibitor of five P. falciparum kinases PfARK1, PfARK3, PfNEK3, PfPK9, and PfPKB. 39 analogues were evaluated against all five kinases to establish SAR at three regions of the kinase active site. Nanomolar inhibitors of each kinase were discovered. We identified common and divergent SAR trends across all five kinases, highlighting substituents in each region that improve potency and selectivity for each kinase. Potent analogues were evaluated against the P. falciparum blood stage. Eight submicromolar inhibitors were discovered, of which 37 demonstrated potent antiplasmodial activity (EC50 = 0.16 μM). Our results provide an understanding of features needed to inhibit each individual kinase and lay groundwork for future optimization efforts toward novel antimalarials.
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Affiliation(s)
- Han Wee Ong
- Structural
Genomics Consortium and Division of Chemical Biology and Medicinal
Chemistry, Eshelman School of Pharmacy,
University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Chandi de Silva
- Luceome
Biotechnologies, LLC, 1665 East 18th Street, Suite 106, Tucson, Arizona 85719, United States
| | - Krisha Avalani
- Luceome
Biotechnologies, LLC, 1665 East 18th Street, Suite 106, Tucson, Arizona 85719, United States
| | - Frank Kwarcinski
- Luceome
Biotechnologies, LLC, 1665 East 18th Street, Suite 106, Tucson, Arizona 85719, United States
| | - Christopher R. Mansfield
- Department
of Molecular Genetics and Microbiology, Duke University Medical Center, 213 Research Drive, Durham, North Carolina 27710, United States
| | - Michael Chirgwin
- Department
of Chemistry, Duke University, 124 Science Drive, Durham, North Carolina 27708, United States
| | - Anna Truong
- Department
of Chemistry, Duke University, 124 Science Drive, Durham, North Carolina 27708, United States
| | - Emily R. Derbyshire
- Department
of Molecular Genetics and Microbiology, Duke University Medical Center, 213 Research Drive, Durham, North Carolina 27710, United States
- Department
of Chemistry, Duke University, 124 Science Drive, Durham, North Carolina 27708, United States
| | - Reena Zutshi
- Luceome
Biotechnologies, LLC, 1665 East 18th Street, Suite 106, Tucson, Arizona 85719, United States
| | - David H. Drewry
- Structural
Genomics Consortium and Division of Chemical Biology and Medicinal
Chemistry, Eshelman School of Pharmacy,
University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Lineberger
Comprehensive Cancer Center, Department of Medicine, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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Mogwera KSP, Chibale K, Arendse LB. Developing kinase inhibitors for malaria: an opportunity or liability? Trends Parasitol 2023; 39:720-731. [PMID: 37385921 DOI: 10.1016/j.pt.2023.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 05/30/2023] [Accepted: 06/05/2023] [Indexed: 07/01/2023]
Abstract
Highly druggable and essential to almost all aspects of cellular life, the protein and phosphoinositide kinase gene families offer a wealth of potential targets for pharmacological modulation for both noncommunicable and infectious diseases. Despite the success of kinase inhibitors in oncology and other disease indications, targeting kinases comes with significant challenges. Key hurdles for kinase drug discovery include selectivity and acquired resistance. The phosphatidylinositol 4-kinase beta inhibitor MMV390048 showed good efficacy in Phase 2a clinical trials, demonstrating the potential of kinase inhibitors for malaria treatment. Here we argue that the potential benefits of Plasmodium kinase inhibitors outweigh the risks, and we highlight the opportunity for designed polypharmacology to reduce the risk of resistance.
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Affiliation(s)
- Koketso S P Mogwera
- Drug Discovery and Development Centre (H3D), South African Medical Research Council Drug Discovery and Development Research Unit, Department of Chemistry and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Rondebosch 7701, South Africa
| | - Kelly Chibale
- Drug Discovery and Development Centre (H3D), South African Medical Research Council Drug Discovery and Development Research Unit, Department of Chemistry and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Rondebosch 7701, South Africa
| | - Lauren B Arendse
- Drug Discovery and Development Centre (H3D), South African Medical Research Council Drug Discovery and Development Research Unit, Department of Chemistry and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Rondebosch 7701, South Africa.
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Anderson B, Rosston P, Ong HW, Hossain MA, Davis-Gilbert ZW, Drewry DH. How many kinases are druggable? A review of our current understanding. Biochem J 2023; 480:1331-1363. [PMID: 37642371 PMCID: PMC10586788 DOI: 10.1042/bcj20220217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/11/2023] [Accepted: 08/15/2023] [Indexed: 08/31/2023]
Abstract
There are over 500 human kinases ranging from very well-studied to almost completely ignored. Kinases are tractable and implicated in many diseases, making them ideal targets for medicinal chemistry campaigns, but is it possible to discover a drug for each individual kinase? For every human kinase, we gathered data on their citation count, availability of chemical probes, approved and investigational drugs, PDB structures, and biochemical and cellular assays. Analysis of these factors highlights which kinase groups have a wealth of information available, and which groups still have room for progress. The data suggest a disproportionate focus on the more well characterized kinases while much of the kinome remains comparatively understudied. It is noteworthy that tool compounds for understudied kinases have already been developed, and there is still untapped potential for further development in this chemical space. Finally, this review discusses many of the different strategies employed to generate selectivity between kinases. Given the large volume of information available and the progress made over the past 20 years when it comes to drugging kinases, we believe it is possible to develop a tool compound for every human kinase. We hope this review will prove to be both a useful resource as well as inspire the discovery of a tool for every kinase.
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Affiliation(s)
- Brian Anderson
- Structural Genomics Consortium, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, U.S.A
| | - Peter Rosston
- Structural Genomics Consortium, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, U.S.A
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, U.S.A
| | - Han Wee Ong
- Structural Genomics Consortium, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, U.S.A
| | - Mohammad Anwar Hossain
- Structural Genomics Consortium, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, U.S.A
| | - Zachary W. Davis-Gilbert
- Structural Genomics Consortium, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, U.S.A
| | - David H. Drewry
- Structural Genomics Consortium, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, U.S.A
- UNC Lineberger Comprehensive Cancer Center, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, U.S.A
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