1
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Zani CP, Zani AP, Thomazini CM, Retamiro KM, de Oliveira AR, Gonçalves DL, Sarragiotto MH, Garcia FP, de Oliveira Silva S, Nakamura CV, Ueda-Nakamura T. β-Carboline-α-aminophosphonate Derivative: A Promising Antitumor Agent for Breast Cancer Treatment. Molecules 2023; 28:molecules28093949. [PMID: 37175359 PMCID: PMC10179861 DOI: 10.3390/molecules28093949] [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: 03/22/2023] [Revised: 05/03/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023] Open
Abstract
Breast cancer is the most common type of cancer and the leading cause of cancer mortality among women worldwide. Considering the limitations of the current treatments available, we analyzed the in vitro cytotoxic potential of ((4-Fluoro-phenyl)-{2-[(1-phenyl-9H-β-carboline-3-carbonyl)-amino]-ethylamino}-methyl)-phosphonic acid dibutyl ester (BCP-1) in breast cancer cells (MCF-7 and MDA-MB-231) and in a non-tumor breast cell line (MCF-10A). BCP-1 has an α-aminophosphonate unit linked to the β-carboline nucleus, and the literature indicates that compounds of these classes have high biological potential. In the present study, the mechanism of action of BCP-1 was investigated through methods of spectrofluorimetry, flow cytometry, and protein expression analysis. It was found that BCP-1 inhibited the proliferation of both cancer cell lines. Furthermore, it induced oxidative stress and cell cycle arrest in G2/M. Upregulation of apoptosis-related proteins such as Bax, cytochrome C, and caspases, as well as a decrease in the anti-apoptotic protein Bcl-2, indicated potential induction of apoptosis in the MDA-MB-231 cells. While in MCF-7 cells, BCP-1 activated the autophagic death pathway, which was demonstrated by an increase in autophagic vacuoles and acidic organelles, in addition to increased expression of LC3I/LC3II and reduced SQSTM1/p62 expression. Further, BCP-1 demonstrated antimetastatic potential by reducing MMP-9 expression and cell migration in both breast cancer cell lines. In conclusion, BCP-1 is a promising candidate for breast cancer chemotherapy.
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Affiliation(s)
- Caroline Pinto Zani
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, Paraná, Brazil
| | - Aline Pinto Zani
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, Paraná, Brazil
| | - Cristiane Melissa Thomazini
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, Paraná, Brazil
| | - Karina Miyuki Retamiro
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, Paraná, Brazil
| | | | - Débora Laís Gonçalves
- Department of Chemistry, State University of Maringá, Maringá CEP 87020-900, Paraná, Brazil
| | | | - Francielle Pelegrin Garcia
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, Paraná, Brazil
| | - Sueli de Oliveira Silva
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, Paraná, Brazil
| | - Celso Vataru Nakamura
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, Paraná, Brazil
| | - Tania Ueda-Nakamura
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, Paraná, Brazil
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2
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Oliveira TZ, Fonseca DP, Dos Santos AH, da Silva TR, Lazarin-Bidóia D, Din ZU, Filho BPD, Nakamura CV, Rodrigues-Filho E, Ueda-Nakamura T. Synthetic dibenzylideneketones as promising anti-herpes simplex virus type 1 agents. Arch Virol 2023; 168:153. [PMID: 37140819 DOI: 10.1007/s00705-023-05777-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 04/05/2023] [Indexed: 05/05/2023]
Abstract
New antiviral agents for the treatment of herpes simplex virus type 1 (HSV-1) infection, which causes a highly prevalent and incurable disease, are needed. Here, we report for the first time the in vitro anti-HSV-1 activity of two dibenzylideneketone compounds: DBK1 and DBK2. DBK1 demonstrated virucidal activity, and high-resolution scanning electron microscopy showed that it caused morphological changes in the HSV-1 envelope. DBK2 was able to reduce HSV-1 plaque size in vitro. The DBKs are promising anti-HSV-1 candidates, as they exhibit low toxicity and exert an antiviral effect by acting at the early stages of HSV-1-host cell interaction.
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Affiliation(s)
- Thalita Zago Oliveira
- Department of Basic Health Sciences, Laboratory of Technological Innovation in the Development of Drugs and Cosmetics, State University of Maringá, Avenida Colombo, 5790, Maringá, Paraná, 87020-900, Brazil
| | - Dyenefer Pereira Fonseca
- Department of Basic Health Sciences, Laboratory of Technological Innovation in the Development of Drugs and Cosmetics, State University of Maringá, Avenida Colombo, 5790, Maringá, Paraná, 87020-900, Brazil
| | - André Henrique Dos Santos
- Department of Basic Health Sciences, Laboratory of Technological Innovation in the Development of Drugs and Cosmetics, State University of Maringá, Avenida Colombo, 5790, Maringá, Paraná, 87020-900, Brazil
| | - Thays Rosa da Silva
- Department of Basic Health Sciences, Laboratory of Technological Innovation in the Development of Drugs and Cosmetics, State University of Maringá, Avenida Colombo, 5790, Maringá, Paraná, 87020-900, Brazil
| | - Danielle Lazarin-Bidóia
- Department of Basic Health Sciences, Laboratory of Technological Innovation in the Development of Drugs and Cosmetics, State University of Maringá, Avenida Colombo, 5790, Maringá, Paraná, 87020-900, Brazil
| | - Zia Ud Din
- Laboratory of Micromolecular Biochemistry of Microorganisms, Federal University of São Carlos, São Carlos, São Paulo, Brazil
| | - Benedito Prado Dias Filho
- Department of Basic Health Sciences, Laboratory of Technological Innovation in the Development of Drugs and Cosmetics, State University of Maringá, Avenida Colombo, 5790, Maringá, Paraná, 87020-900, Brazil
| | - Celso Vataru Nakamura
- Department of Basic Health Sciences, Laboratory of Technological Innovation in the Development of Drugs and Cosmetics, State University of Maringá, Avenida Colombo, 5790, Maringá, Paraná, 87020-900, Brazil
| | - Edson Rodrigues-Filho
- Laboratory of Micromolecular Biochemistry of Microorganisms, Federal University of São Carlos, São Carlos, São Paulo, Brazil
| | - Tania Ueda-Nakamura
- Department of Basic Health Sciences, Laboratory of Technological Innovation in the Development of Drugs and Cosmetics, State University of Maringá, Avenida Colombo, 5790, Maringá, Paraná, 87020-900, Brazil.
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3
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Macaluso G, Grippi F, Di Bella S, Blanda V, Gucciardi F, Torina A, Guercio A, Cannella V. A Review on the Immunological Response against Trypanosoma cruzi. Pathogens 2023; 12:pathogens12020282. [PMID: 36839554 PMCID: PMC9964664 DOI: 10.3390/pathogens12020282] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 02/01/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023] Open
Abstract
Chagas disease is a chronic systemic infection transmitted by Trypanosoma cruzi. Its life cycle consists of different stages in vector insects and host mammals. Trypanosoma cruzi strains cause different clinical manifestations of Chagas disease alongside geographic differences in morbidity and mortality. Natural killer cells provide the cytokine interferon-gamma in the initial phases of T. cruzi infection. Phagocytes secrete cytokines that promote inflammation and activation of other cells involved in defence. Dendritic cells, monocytes and macrophages modulate the adaptive immune response, and B lymphocytes activate an effective humoral immune response to T. cruzi. This review focuses on the main immune mechanisms acting during T. cruzi infection, on the strategies activated by the pathogen against the host cells, on the processes involved in inflammasome and virulence factors and on the new strategies for preventing, controlling and treating this disease.
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4
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Francisco KR, Monti L, Yang W, Park H, Liu LJ, Watkins K, Amarasinghe DK, Nalli M, Roberto Polaquini C, Regasini LO, Eduardo Miller Crotti A, Silvestri R, Guidi Magalhães L, Caffrey CR. Structure-activity relationship of dibenzylideneacetone analogs against the neglected disease pathogen, Trypanosoma brucei. Bioorg Med Chem Lett 2023; 81:129123. [PMID: 36608774 PMCID: PMC10072319 DOI: 10.1016/j.bmcl.2023.129123] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/20/2022] [Accepted: 01/02/2023] [Indexed: 01/05/2023]
Abstract
Trypanosoma brucei is a protozoan parasite that causes Human African Trypanosomiasis (HAT), a neglected tropical disease (NTD) that is endemic in 36 countries in sub-Saharan Africa. Only a handful drugs are available for treatment, and these have limitations, including toxicity and drug resistance. Using the natural product, curcumin, as a starting point, several curcuminoids and related analogs were evaluated against bloodstream forms of T. b. brucei. A particular subset of dibenzylideneacetone (DBA) compounds exhibited potent in vitro antitrypanosomal activity with sub-micromolar EC50 values. A structure-activity relationship study including 26 DBA analogs was initiated, and several compounds exhibited EC50 values as low as 200 nM. Cytotoxicity counter screens in HEK293 cells identified several compounds having selectivity indices above 10. These data suggest that DBAs offer starting points for a new small molecule therapy of HAT.
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Affiliation(s)
- Karol R Francisco
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093, USA.
| | - Ludovica Monti
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Wenqian Yang
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Hayoung Park
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Lawrence J Liu
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Kaitlyn Watkins
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Dilini K Amarasinghe
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Marianna Nalli
- Laboratory Affiliated with the Institute Pasteur Italy - Cenci Bolognetti Foundation, Department of Drug Chemistry and Technologies, Sapienza University of Rome, 00185 Rome, Italy
| | - Carlos Roberto Polaquini
- Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University, São José do Rio Preto, SP 15054-000, Brazil
| | - Luis O Regasini
- Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University, São José do Rio Preto, SP 15054-000, Brazil
| | - Antônio Eduardo Miller Crotti
- Faculty of Philosophy, Sciences, and Letters of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP 14040-900, Brazil
| | - Romano Silvestri
- Laboratory Affiliated with the Institute Pasteur Italy - Cenci Bolognetti Foundation, Department of Drug Chemistry and Technologies, Sapienza University of Rome, 00185 Rome, Italy
| | - Lizandra Guidi Magalhães
- Research Group on Natural Products, Center for Research in Sciences and Technology, University of Franca, Franca, SP 14404-600, Brazil
| | - Conor R Caffrey
- Center for Discovery and Innovation in Parasitic Diseases, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093, USA
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5
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Zani AP, Zani CP, Din ZU, Rodrigues-Filho E, Ueda-Nakamura T, Garcia FP, de Oliveira Silva S, Nakamura CV. Dibenzylideneacetone Induces Apoptosis in Cervical Cancer Cells through Ros-Mediated Mitochondrial Damage. Antioxidants (Basel) 2023; 12:antiox12020317. [PMID: 36829876 PMCID: PMC9952489 DOI: 10.3390/antiox12020317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/16/2023] [Accepted: 01/25/2023] [Indexed: 02/03/2023] Open
Abstract
Cervical cancer is a health problem among women worldwide. Considering the limitations of prevention and antineoplastic chemotherapy against cervical cancer, research is needed to discover new, more effective, and safe antitumor agents. In the present study, we investigated the in vitro cytotoxicity of a new synthetic dibenzylideneacetone derived from 1,5-diaryl-3-oxo-1,4-pentadienyl (A3K2A3) against cervical cancer cells immortalized by HPV 16 (SiHa), and 18 (HeLa) by MTT assay. Furthermore, we performed spectrofluorimetry, flow cytometry, and Western blot analyzes to explore the inhibitory mechanism of A3K2A3 in cervical cancer cells. A3K2A3 showed cytotoxic activity against both cell lines. Mitochondrial depolarization and reduction in intracellular ATP levels were observed, which may be dependent on the redox imbalance between increased ROS and reduced levels of the antioxidant defense. In addition, damage to the cell membrane and DNA, and effective blocking of cell division in the G2/M phase were detected, which possibly led to the induction of apoptosis. This result was further confirmed by the upregulation of apoptosis-related proteins Bax, cytochrome C, and caspases 9 and 3. Our results provided the first evidence that A3K2A3 contributes to the suppression of cervical cancer in vitro, showing promise as a possible alternative for the treatment of this cancer.
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Affiliation(s)
- Aline Pinto Zani
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, PR, Brazil
| | - Caroline Pinto Zani
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, PR, Brazil
| | - Zia Ud Din
- LaBioMMi, Department of Chemistry, Federal University of São Carlos, CP 676, São Carlos CEP 13565-905, SP, Brazil
| | - Edson Rodrigues-Filho
- LaBioMMi, Department of Chemistry, Federal University of São Carlos, CP 676, São Carlos CEP 13565-905, SP, Brazil
| | - Tânia Ueda-Nakamura
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, PR, Brazil
| | - Francielle Pelegrin Garcia
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, PR, Brazil
| | - Sueli de Oliveira Silva
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, PR, Brazil
| | - Celso Vataru Nakamura
- Laboratory of Technological Innovation in the Development of Pharmaceuticals and Cosmetics, State University of Maringá, Maringá CEP 87020-900, PR, Brazil
- Correspondence: ; Tel.: +55-(044)-3011-5012; Fax: +55-(044)-3011-5046
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6
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Ali A, Ashfaq M, Din ZU, Ibrahim M, Khalid M, Assiri MA, Riaz A, Tahir MN, Rodrigues-Filho E, Imran M, Kuznetsov A. Synthesis, Structural, and Intriguing Electronic Properties of Symmetrical Bis-Aryl-α,β-Unsaturated Ketone Derivatives. ACS OMEGA 2022; 7:39294-39309. [PMID: 36340158 PMCID: PMC9631725 DOI: 10.1021/acsomega.2c05441] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
Three symmetrical bis-aryl-α,β-unsaturated ketone derivatives, 2,6-di((E)-benzylidene)-cyclohexan-1-one (DBC), 2,6-bis((E)-4-chlorobenzylidene)cyclohexan-1-one (BCC), and (1E,1'E,4E,4'E)-5,5'-(1,4-phenylene)bis(2-methyl-1-phenylpenta-1,4-dien-3-one) (PBMP), have been prepared using the aldol condensation approach toward ketones having two enolizable sites. The structures of DBC, BCC, and PBMP have been resolved via spectrometric methods. Moreover, the crystal structure of PBMP is determined by the single-crystal X-ray diffraction (SC-XRD) technique, which revealed that the PBMP molecular assembly is stabilized by the intermolecular C-H···O bonding and C-O···π and weak T-shaped offset π···π stacking interactions. The Hirshfeld surface analysis (HSA) of the PBMP crystal structure was performed as well, and the results were compared with the results of DBC and BCC. The density functional theory (DFT) study results revealed that the longer conjugated molecule of PBMP has smaller but still quite significant HOMO-LUMO gaps compared to the smaller molecules of BCC and DBC. The natural population analysis (NPA) and natural bonding orbital (NBO) analysis were performed. Accordingly, the hydrogen bonding and dipole-dipole interactions stabilize the crystal structures of these compounds. Additionally, the NBO analysis showed numerous high-energy stabilizing interactions for the PBMP compound due to the presence of numerous delocalized and relatively easily polarizable π-electrons, thus implying its significant thermodynamic stability. According to the global reactivity parameter (GRP) analysis, the compounds BCC and DBC are relatively stable in redox processes and have high thermodynamic stability and relatively lower reactivity in general. The molecular electrostatic potential (MEP) analysis results imply potential formation of the intermolecular hydrogen bonding and dispersion interactions, which stabilizes the crystal structures of these compounds.
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Affiliation(s)
- Akbar Ali
- Department
of Chemistry, Government College University, Faisalabad38040, Pakistan
| | - Muhammad Ashfaq
- Department
of Physics, University of Sargodha, Sargodha40100, Pakistan
| | - Zia Ud Din
- LaBioMMi,
Departamento de Química, Universidade
Federal de São Carlos, CP 676, 13.565-905São Carlos, SP, Brazil
| | - Muhammad Ibrahim
- Department
of Applied Chemistry, Government College
University, Faisalabad38040, Pakistan
| | - Muhammad Khalid
- Department
of Chemistry, Khwaja Fareed University of
Engineering & Information Technology, Rahim Yar Khan64200, Pakistan
| | - Mohammed A. Assiri
- Research
Center for Advanced Materials Science (RCAMS), King Khalid University, P. O. Box 9004, Abha61514, Saudi Arabia
- Department
of Chemistry, Faculty of Science, King Khalid
University, P.O. Box 9004, Abha61413, Saudi Arabia
| | - Arish Riaz
- Department
of Applied Chemistry, Government College
University, Faisalabad38040, Pakistan
| | | | - Edson Rodrigues-Filho
- LaBioMMi,
Departamento de Química, Universidade
Federal de São Carlos, CP 676, 13.565-905São Carlos, SP, Brazil
| | - Muhammad Imran
- Research
Center for Advanced Materials Science (RCAMS), King Khalid University, P. O. Box 9004, Abha61514, Saudi Arabia
- Department
of Chemistry, Faculty of Science, King Khalid
University, P.O. Box 9004, Abha61413, Saudi Arabia
| | - Aleksey Kuznetsov
- Departamento
de Química, Campus Santiago Vitacura, Universidad Técnica Federico Santa María, Av. Santa María 6400, Vitacura7660251, Chile
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7
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Lazarin-Bidóia D, Garcia FP, Ueda-Nakamura T, Silva SDO, Nakamura CV. Natural compounds based chemotherapeutic against Chagas disease and leishmaniasis: mitochondrion as a strategic target. Mem Inst Oswaldo Cruz 2022; 117:e220396. [PMID: 35352776 PMCID: PMC8970591 DOI: 10.1590/0074-02760220396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 01/31/2022] [Indexed: 01/08/2023] Open
Abstract
Over the past years, natural products have been explored in order to find biological active substances to treat various diseases. Regarding their potential action against parasites such as trypanosomatids, specially Trypanosoma cruzi and Leishmania spp., much advance has been achieved. Extracts and purified molecules of several species from genera Piper, Tanacetum, Porophyllum, and Copaifera have been widely investigated by our research group and exhibited interesting antitrypanosomal and antileishmanial activities. These natural compounds affected different structures in parasites, and we believe that the mitochondrion is a strategic target to induce parasite death. Considering that these trypanosomatids have a unique mitochondrion, this cellular target has been extensively studied aiming to find more selective drugs, since the current treatment of these neglected tropical diseases has some challenges such as high toxicity and prolonged treatment time. Here, we summarise some results obtained with natural products from our research group and we further highlighted some strategies that must be considered to finally develop an effective chemotherapeutic agent against these parasites.
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Affiliation(s)
- Danielle Lazarin-Bidóia
- Universidade Estadual de Maringá, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Maringá, PR, Brasil
| | - Francielle Pelegrin Garcia
- Universidade Estadual de Maringá, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Maringá, PR, Brasil
| | - Tânia Ueda-Nakamura
- Universidade Estadual de Maringá, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Maringá, PR, Brasil
| | - Sueli de Oliveira Silva
- Universidade Estadual de Maringá, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Maringá, PR, Brasil
| | - Celso Vataru Nakamura
- Universidade Estadual de Maringá, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Maringá, PR, Brasil
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8
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Paula JC, Fernandes NS, Karam TK, Baréa P, Sarragiotto MH, Ueda-Nakamura T, Silva SO, Nakamura CV. β-carbolines RCC and C5 induce death of Leishmania amazonensis intracellular amastigotes. Future Microbiol 2021; 17:99-110. [PMID: 34913373 DOI: 10.2217/fmb-2020-0263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Background: Cutaneous leishmaniasis is caused by Leishmania spp., and its treatment is limited. The β-carbolines have shown activity against kinetoplastids. Aim: To evaluate the activity and effects of the β-carbolines, N-{2-[(4,6-bis(isopropylamino)-1,3,5-triazin-2-yl)amino]ethyl}-1-(4-methoxyphenyl)-β-carboline-3-carboxamide (RCC) and N-benzyl-1-(4-methoxy)phenyl-9H-beta-carboline-3-carboxamide (C5), against L. amazonensis intracellular amastigotes and to suggest their mechanism of action. Methods: We analyzed the activity and cytotoxicity of β-carbolines and the morphological alterations by electron microscopy. Mitochondrial membrane potential, production nitric oxide, reactive oxygen species, lipidic bodies, autophagic vacuoles and ATP were also evaluated. Results & conclusion: The results showed that RCC and C5 are active against intracellular amastigotes and were able to induce oxidative stress and ultrastructural alterations such as accumulation of lipid bodies and autophagic vacuoles, leading to parasite death.
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Affiliation(s)
- Jéssica C Paula
- Programa de Pós-graduação em Ciências Biológicas, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Universidade Estadual de Maringá, Maringá, Brazil
| | - Nilma S Fernandes
- Programa de Pós-graduação em Ciências Biológicas, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Universidade Estadual de Maringá, Maringá, Brazil
| | - Thaysa K Karam
- Programa de Pós-graduação em Ciências Biológicas, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Universidade Estadual de Maringá, Maringá, Brazil
| | - Paula Baréa
- Departamento de Química, Universidade Estadual de Maringá, Maringá, PR, Brazil
| | - Maria H Sarragiotto
- Departamento de Química, Universidade Estadual de Maringá, Maringá, PR, Brazil
| | - Tania Ueda-Nakamura
- Programa de Pós-graduação em Ciências Biológicas, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Universidade Estadual de Maringá, Maringá, Brazil
| | - Sueli O Silva
- Programa de Pós-graduação em Ciências Biológicas, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Universidade Estadual de Maringá, Maringá, Brazil
| | - Celso V Nakamura
- Programa de Pós-graduação em Ciências Biológicas, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Universidade Estadual de Maringá, Maringá, Brazil
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9
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Ali A, Khalid M, Din ZU, Asif HM, Imran M, Tahir MN, Ashfaq M, Rodrigues-Filho E. Exploration of structural, electronic and third order nonlinear optical properties of crystalline chalcone systems: Monoarylidene and unsymmetrical diarylidene cycloalkanones. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130685] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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10
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Glanzmann N, Antinarelli LMR, da Costa Nunes IK, Pereira HMG, Coelho EAF, Coimbra ES, da Silva AD. Synthesis and biological activity of novel 4-aminoquinoline/1,2,3-triazole hybrids against Leishmania amazonensis. Biomed Pharmacother 2021; 141:111857. [PMID: 34323702 DOI: 10.1016/j.biopha.2021.111857] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 06/18/2021] [Accepted: 06/24/2021] [Indexed: 01/07/2023] Open
Abstract
Quinoline and 1,2,3-triazoles are well-known nitrogen-based heterocycles presenting diverse pharmacological properties, although their antileishmanial activity is still poorly exploited. As an effort to contribute with studies involving these interesting chemical groups, in the present study, a series of compounds derived from 4-aminoquinoline and 1,2,3-triazole were synthetized and biological studies using L. amazonensis species were performed. The results pointed that the derivative 4, a hybrid of 4-aminoquinoline/1,2,3-triazole exhibited the best antileishmanial action, with inhibitory concentration (IC50) values of ~1 µM against intramacrophage amastigotes of L. amazonensis , and being 16-fold more active to parasites than to the host cell. The mechanism of action of derivative 4 suggest a multi-target action on Leishmania parasites, since the treatment of L. amazonensis promastigotes caused mitochondrial membrane depolarization, accumulation of ROS products, plasma membrane permeabilization, increase in neutral lipids, exposure of phosphatidylserine to the cell surface, changes in the cell cycle and DNA fragmentation. The results suggest that the antileishmanial effect of this compound is primarily altering critical biochemical processes for the correct functioning of organelles and macromolecules of parasites, with consequent cell death by processes related to apoptosis-like and necrosis. No up-regulation of reactive oxygen and nitrogen intermediates was promoted by derivative 4 on L. amazonensis -infected macrophages, suggesting a mechanism of action independent from the activation of the host cell. In conclusion, data suggest that derivative 4 presents selective antileishmanial effect, which is associated with multi-target action, and can be considered for future studies for the treatment against disease.
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Affiliation(s)
- Nícolas Glanzmann
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora, Campus Universitário, Juiz de Fora, Minas Gerais 36.036-900, Brazil
| | - Luciana Maria Ribeiro Antinarelli
- Departamento de Parasitologia, Microbiologia e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Campus Universitário, Juiz de Fora, Minas Gerais 36.036-900, Brazil; Programa de Pós-Graduação em Ciências da Saúde: Infectologia e Medicina Tropical, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 30.130-100, Brazil
| | - Isabelle Karine da Costa Nunes
- Laboratório de Apoio ao Desenvolvimento Tecnológico, Polo de Química, Universidade Federal do Rio de Janeiro, Cidade Universitária Ilha do Fundão, Rio de Janeiro 21.941-598, Brazil
| | - Henrique Marcelo Gualberto Pereira
- Laboratório de Apoio ao Desenvolvimento Tecnológico, Polo de Química, Universidade Federal do Rio de Janeiro, Cidade Universitária Ilha do Fundão, Rio de Janeiro 21.941-598, Brazil
| | - Eduardo Antonio Ferraz Coelho
- Programa de Pós-Graduação em Ciências da Saúde: Infectologia e Medicina Tropical, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 30.130-100, Brazil; Departamento de Patologia Clínica, COLTEC, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil
| | - Elaine Soares Coimbra
- Departamento de Parasitologia, Microbiologia e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Campus Universitário, Juiz de Fora, Minas Gerais 36.036-900, Brazil
| | - Adilson David da Silva
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora, Campus Universitário, Juiz de Fora, Minas Gerais 36.036-900, Brazil.
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Discovery of 1,3,4,5-tetrasubstituted pyrazoles as anti-trypanosomatid agents: Identification of alterations in flagellar structure of L. amazonensis. Bioorg Chem 2021; 114:105082. [PMID: 34147880 DOI: 10.1016/j.bioorg.2021.105082] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 04/28/2021] [Accepted: 06/09/2021] [Indexed: 02/07/2023]
Abstract
Trypanosoma cruzi and Leishmania species are causative agents of Chagas disease and Leishmaniasis, respectively, known as Neglected Tropical Diseases. Up to now, the treatments are inadequate and based on old drugs. Thus, we report herein the discovery of 1,3,4,5-tetrasubstituted pyrazole derivatives that presented potent and selective inhibition against promastigote forms of L. amazonensis, and epimastigote forms of T. cruzi. The structure-activity relationship led to the identification of three compounds (2m, 2n and 2p) with an in vitro IC50 of 7.4 µM (selective index - SI ≥ 133.0), 3.8 µM (SI in the range of 148.4 to 200.8), and 7.3 µM (SI in the range of 87.2 to 122.4) against L. amazonensis, respectively. Also, those compounds exhibited in vitro IC50 of 9.7 µM (SI ≥ 101.5), 4.5 µM (SI in the range of 125.3 to 169.6) and 17.1 µM (SI in the range of 37.2 to 52.2) against T. cruzi, respectively. A preliminary study about the reaction mechanism in promastigotes showed that 2n caused an increase of the production of ROS and of lipid storage bodies. Furthermore, 2n induced abnormalities in the flagellum that may have an impact on the parasite motility.
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Characterization and functional analysis of the proteins Prohibitin 1 and 2 in Trypanosoma cruzi. PLoS Negl Trop Dis 2021; 15:e0009322. [PMID: 33830991 PMCID: PMC8057595 DOI: 10.1371/journal.pntd.0009322] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 04/20/2021] [Accepted: 03/23/2021] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Chagas disease is the third most important neglected tropical disease. There is no vaccine available, and only two drugs are generally prescribed for the treatment, both of which with a wide range of side effects. Our study of T. cruzi PHBs revealed a pleiotropic function in different stages of the parasite, participating actively in the transformation of the non-infective replicative epimastigote form into metacyclic trypomastigotes and also in the multiplication of intracellular amastigotes. METHODOLOGY/PRINCIPAL FINDINGS To obtain and confirm our results, we applied several tools and techniques such as electron microscopy, immuno-electron microscopy, bioinformatics analysis and molecular biology. We transfected T. cruzi clones with the PHB genes, in order to overexpress the proteins and performed a CRISPR/Cas9 disruption to obtain partially silenced PHB1 parasites or completely silenced PHB2 parasites. The function of these proteins was also studied in the biology of the parasite, specifically in the transformation rate from non-infective forms to the metacyclic infective forms, and in their capacity of intracellular multiplication. CONCLUSION/SIGNIFICANCE This research expands our understanding of the functions of PHBs in the life cycle of the parasite. It also highlights the protective role of prohibitins against ROS and reveals that the absence of PHB2 has a lethal effect on the parasite, a fact that could support the consideration of this protein as a possible target for therapeutic action.
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de Paula JC, Bakoshi ABK, Lazarin-Bidóia D, Ud Din Z, Rodrigues-Filho E, Ueda-Nakamura T, Nakamura CV. Antiproliferative activity of the dibenzylideneacetone derivate (E)-3-ethyl-4-(4-nitrophenyl)but‑3-en-2-one in Trypanosoma cruzi. Acta Trop 2020; 211:105653. [PMID: 32777226 DOI: 10.1016/j.actatropica.2020.105653] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/04/2020] [Accepted: 08/06/2020] [Indexed: 01/18/2023]
Abstract
Chagas disease is one of the most prevalent neglected diseases in the world. The illness is caused by Trypanosoma cruzi, a protozoan parasite with a complex life cycle and three morphologically distinct developmental stages. Nowadays, the only treatment is based on two nitro-derivative drugs, benznidazole and nifurtimox, which cause serious side effects. Since the treatment is limited, the search for new treatment options for patients with Chagas disease is highly necessary. In this study we analyzed the substance A11K3, a dibenzylideneacetone (DBA). DBAs have an acyclic dienone attached to aryl groups in both β-positions and studies have shown that they have biological activity against tumors cells, bacteria, and protozoa such as T. cruzi and Leishmania spp. Here we show that A11K3 is active against all three T. cruzi evolutionary forms: the epimastigote (IC50 = 3.3 ± 0.8), the trypomastigote (EC50 = 24 ± 4.3) and the intracellular amastigote (IC50 = 9.3 ± 0.5 µM). A cytotoxicity assay in LLCMK2 cells showed a CC50 of 239.2 ± 15.7 µM giving a selectivity index (CC50/IC50) of 72.7 for epimastigotes, 9.9 for trypomastigotes and 25.9 for intracellular amastigotes. Morphological and ultrastructural analysis of the parasites treated with A11K3 by TEM and SEM revealed alterations in the Golgi complex, mitochondria, plasma membrane and cell body, with an increase of autophagic vacuoles and lipid bodies. Biochemical assays of A11K3-treated T. cruzi showed an increase of ROS, plasma membrane ruptures, lipid peroxidation, mitochondrial membrane depolarization with a decrease in ATP and accumulation of autophagic vacuoles. The results lead to the hypothesis that A11K3 causes death of the protozoan through events such as plasma membrane and mitochondrial alterations and autophagy, characteristic of cell collapse.
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Affiliation(s)
- Jéssica Carreira de Paula
- Programa de Pós-graduação em Ciências Biológicas, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Universidade Estadual de Maringá, Bloco B-08, Av. Colombo 5790, Maringá, PR CEP 87020-900, Brazil
| | - Amanda Beatriz Kawano Bakoshi
- Programa de Pós-graduação em Ciências Biológicas, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Universidade Estadual de Maringá, Bloco B-08, Av. Colombo 5790, Maringá, PR CEP 87020-900, Brazil
| | - Danielle Lazarin-Bidóia
- Programa de Pós-graduação em Ciências Biológicas, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Universidade Estadual de Maringá, Bloco B-08, Av. Colombo 5790, Maringá, PR CEP 87020-900, Brazil
| | - Zia Ud Din
- LaBioMMi, Departamento de Química, Universidade Federal de São Carlos, CP 676, São Carlos, SP 13.565-905, Brazil
| | - Edson Rodrigues-Filho
- LaBioMMi, Departamento de Química, Universidade Federal de São Carlos, CP 676, São Carlos, SP 13.565-905, Brazil
| | - Tania Ueda-Nakamura
- Programa de Pós-graduação em Ciências Biológicas, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Universidade Estadual de Maringá, Bloco B-08, Av. Colombo 5790, Maringá, PR CEP 87020-900, Brazil
| | - Celso Vataru Nakamura
- Programa de Pós-graduação em Ciências Biológicas, Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos, Universidade Estadual de Maringá, Bloco B-08, Av. Colombo 5790, Maringá, PR CEP 87020-900, Brazil.
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Feng L, Pomel S, Latre de Late P, Taravaud A, Loiseau PM, Maes L, Cho-Ngwa F, Bulman CA, Fischer C, Sakanari JA, Ziniel PD, Williams DL, Davioud-Charvet E. Repurposing Auranofin and Evaluation of a New Gold(I) Compound for the Search of Treatment of Human and Cattle Parasitic Diseases: From Protozoa to Helminth Infections. Molecules 2020; 25:molecules25215075. [PMID: 33139647 PMCID: PMC7663263 DOI: 10.3390/molecules25215075] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 10/25/2020] [Accepted: 10/27/2020] [Indexed: 12/12/2022] Open
Abstract
Neglected parasitic diseases remain a major public health issue worldwide, especially in tropical and subtropical areas. Human parasite diversity is very large, ranging from protozoa to worms. In most cases, more effective and new drugs are urgently needed. Previous studies indicated that the gold(I) drug auranofin (Ridaura®) is effective against several parasites. Among new gold(I) complexes, the phosphole-containing gold(I) complex {1-phenyl-2,5-di(2-pyridyl)phosphole}AuCl (abbreviated as GoPI) is an irreversible inhibitor of both purified human glutathione and thioredoxin reductases. GoPI-sugar is a novel 1-thio-β-d-glucopyranose 2,3,4,6-tetraacetato-S-derivative that is a chimera of the structures of GoPI and auranofin, designed to improve stability and bioavailability of GoPI. These metal-ligand complexes are of particular interest because of their combined abilities to irreversibly target the essential dithiol/selenol catalytic pair of selenium-dependent thioredoxin reductase activity, and to kill cells from breast and brain tumors. In this work, screening of various parasites—protozoans, trematodes, and nematodes—was undertaken to determine the in vitro killing activity of GoPI-sugar compared to auranofin. GoPI-sugar was found to efficiently kill intramacrophagic Leishmania donovani amastigotes and adult filarial and trematode worms.
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Affiliation(s)
- Liwen Feng
- UMR 7042 CNRS-Université de Strasbourg-Université Haute-Alsace, Laboratoire d’Innovation Moléculaire et Applications (LIMA), Bioorganic and Medicinal Chemistry Team, European School of Chemistry, Polymers and Materials (ECPM), 25, rue Becquerel, F-67087 Strasbourg, France;
| | - Sébastien Pomel
- BioCIS, Faculty of Pharmacy, Université Paris-Saclay, CNRS, 92290 Châtenay-Malabry, France; (S.P.); (A.T.); (P.M.L.)
| | - Perle Latre de Late
- INSERM U1016, CNRS UMR 8104, Laboratoire de Biologie Cellulaire Comparative des Apicomplexes, Cochin Institute, Faculté de Medecine, Université Paris Descartes, Sorbonne Paris Cité, 75014 Paris, France;
| | - Alexandre Taravaud
- BioCIS, Faculty of Pharmacy, Université Paris-Saclay, CNRS, 92290 Châtenay-Malabry, France; (S.P.); (A.T.); (P.M.L.)
| | - Philippe M. Loiseau
- BioCIS, Faculty of Pharmacy, Université Paris-Saclay, CNRS, 92290 Châtenay-Malabry, France; (S.P.); (A.T.); (P.M.L.)
| | - Louis Maes
- Laboratory of Microbiology, Parasitology and Hygiene (LMPH), Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, University of Antwerp, Universiteitsplein 1, B-2610 Antwerp, Belgium;
| | - Fidelis Cho-Ngwa
- Biotechnology Unit, Faculty of Science, University of Buea, Buea P.O. Box 63, Cameroon;
| | - Christina A. Bulman
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158, USA; (C.A.B.); (C.F.); (J.A.S.)
| | - Chelsea Fischer
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158, USA; (C.A.B.); (C.F.); (J.A.S.)
| | - Judy A. Sakanari
- Department of Pharmaceutical Chemistry, University of California, San Francisco, CA 94158, USA; (C.A.B.); (C.F.); (J.A.S.)
| | - Peter D. Ziniel
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, IL 60612, USA;
| | - David L. Williams
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, IL 60612, USA;
- Correspondence: (D.L.W.); (E.D.-C.)
| | - Elisabeth Davioud-Charvet
- UMR 7042 CNRS-Université de Strasbourg-Université Haute-Alsace, Laboratoire d’Innovation Moléculaire et Applications (LIMA), Bioorganic and Medicinal Chemistry Team, European School of Chemistry, Polymers and Materials (ECPM), 25, rue Becquerel, F-67087 Strasbourg, France;
- Correspondence: (D.L.W.); (E.D.-C.)
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15
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Membrane dynamics in Leishmania amazonensis and antileishmanial activities of β-carboline derivatives. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2020; 1863:183473. [PMID: 32937102 DOI: 10.1016/j.bbamem.2020.183473] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 09/04/2020] [Accepted: 09/07/2020] [Indexed: 01/18/2023]
Abstract
Two β-carboline compounds, 8i and 6d, demonstrated in vitro antileishmanial activity against Leishmania (L.) amazonensis promastigotes similar to that of miltefosine (MIL). Estimates of the membrane-water partition coefficient (KM/W) and the compound concentrations in the membrane (cm50) and aqueous phase (cw50) for half maximal inhibitory concentration were made. Whereas these biophysical parameters for 6d were not significantly different from those reported for MIL, 8i showed lower affinity for the parasite membrane (lower KM/W) and a lower concentration of the compound in the membrane required to inhibit the growth of the parasite (lower cm50). A 2-hour treatment of Leishmania promastigotes with the compounds 8i and 6d caused membrane rigidity in a concentration-dependent manner, as demonstrated by the electron paramagnetic resonance (EPR) technique and spin label method. This increased rigidity of the membrane was interpreted to be associated with the occurrence of cross-linking of oxidized cytoplasmic proteins to the parasite membrane skeleton. Importantly, the two β-carboline-oxazoline derivatives showed low hemolytic action, both in experiments with isolated red blood cells or with whole blood, denoting their great Leishmania/erythrocyte selectivity index. Using electron microscopy, changes in the membrane of both the amastigote and promastigote form of the parasite were confirmed, and it was demonstrated that compounds 8i and 6d decreased the number of amastigotes in infected murine macrophages. Furthermore, 8i and 6d were more toxic to the protozoa than to J774A.1 macrophages, with treated promastigotes exhibiting a decrease in cell volume, mitochondrial membrane potential depolarization, accumulation of lipid bodies, increased ROS production and changes in the cell cycle.
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Ghartey-Kwansah G, Adu-Nti F, Aboagye B, Ankobil A, Essuman EE, Opoku YK, Abokyi S, Abu EK, Boampong JN. Autophagy in the control and pathogenesis of parasitic infections. Cell Biosci 2020; 10:101. [PMID: 32944216 PMCID: PMC7487832 DOI: 10.1186/s13578-020-00464-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 08/25/2020] [Indexed: 12/11/2022] Open
Abstract
Background Autophagy has a crucial role in the defense against parasites. The interplay existing between host autophagy and parasites has varied outcomes due to the kind of host cell and microorganism. The presence of autophagic compartments disrupt a significant number of pathogens and are further cleared by xenophagy in an autolysosome. Another section of pathogens have the capacity to outwit the autophagic pathway to their own advantage. Result To comprehend the interaction between pathogens and the host cells, it is significant to distinguish between starvation-induced autophagy and other autophagic pathways. Subversion of host autophagy by parasites is likely due to differences in cellular pathways from those of ‘classical’ autophagy and that they are controlled by parasites in a peculiar way. In xenophagy clearance at the intracellular level, the pathogens are first ubiquitinated before autophagy receptors acknowledgement, followed by labeling with light chain 3 (LC3) protein. The LC3 in LC3-associated phagocytosis (LAP) is added directly into vacuole membrane and functions regardless of the ULK, an initiation complex. The activation of the ULK complex composed of ATG13, FIP200 and ATG101causes the initiation of host autophagic response. Again, the recognition of PAMPs by conserved PRRs marks the first line of defense against pathogens, involving Toll-like receptors (TLRs). These all important immune-related receptors have been reported recently to regulate autophagy. Conclusion In this review, we sum up recent advances in autophagy to acknowledge and understand the interplay between host and parasites, focusing on target proteins for the design of therapeutic drugs. The target host proteins on the initiation of the ULK complex and PRRs-mediated recognition of PAMPs may provide strong potential for the design of therapeutic drugs against parasitic infections.
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Affiliation(s)
- George Ghartey-Kwansah
- Department of Biomedical Sciences, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Frank Adu-Nti
- Department of Medical Laboratory Science, Radford University College, Accra, Ghana
| | - Benjamin Aboagye
- Department of Forensic Sciences, College of Agriculture and Natural Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Amandus Ankobil
- School of Nursing and Midwifery, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana.,Department of Epidemiology and Biostatistics, State University of New York at Albany, New York, USA
| | - Edward Eyipe Essuman
- US Food and Drugs Administration CBER, OBRR, DETTD 10903 New Hampshire Avenue, White Oak, USA
| | - Yeboah Kwaku Opoku
- Department of Biology Education, Faculty of Science, University of Education, Winneba, Ghana
| | - Samuel Abokyi
- Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana.,School of Optometry, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Emmanuel Kwasi Abu
- Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Johnson Nyarko Boampong
- Department of Biomedical Sciences, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana
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Rodríguez-Hernández KD, Martínez I, Reyes-Chilpa R, Espinoza B. Mammea type coumarins isolated from Calophyllum brasiliense induced apoptotic cell death of Trypanosoma cruzi through mitochondrial dysfunction, ROS production and cell cycle alterations. Bioorg Chem 2020; 100:103894. [DOI: 10.1016/j.bioorg.2020.103894] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 03/25/2020] [Accepted: 04/27/2020] [Indexed: 11/26/2022]
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Khalid M, Ali A, Adeel M, Din ZU, Tahir MN, Rodrigues-Filho E, Iqbal J, Khan MU. Facile preparation, characterization, SC-XRD and DFT/DTDFT study of diversely functionalized unsymmetrical bis-aryl-α, β-unsaturated ketone derivatives. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.127755] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Ali A, Din ZU, Khalid M, Tahir MN, Rodrigues‐Filho E, Ali B, Asim S, Muhammad S. Crystal and Quantum Chemical Exploration of the Potent Monocarbonyl Curcuminoids to Unveil Their Structural and Intriguing Electronic Properties. ChemistrySelect 2020. [DOI: 10.1002/slct.201904757] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Akbar Ali
- Department of ChemistryUniversity of Sargodha 40100 Punjab Pakistan
| | - Zia Ud Din
- LaBioMMiDepartamento de QuímicaUniversidade Federal de São Carlos CP 676 13.565-905 São Carlos SP Brazil
| | - Muhammad Khalid
- Department of ChemistryKhwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
| | | | - Edson Rodrigues‐Filho
- LaBioMMiDepartamento de QuímicaUniversidade Federal de São Carlos CP 676 13.565-905 São Carlos SP Brazil
| | - Bakhat Ali
- Department of ChemistryKhwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
| | - Sumreen Asim
- Department of ChemistryKhwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
| | - Shabbir Muhammad
- Department of PhysicsCollege of ScienceKing Khalid University Abha 61413, P.O. Box 9004 Saudi Arabia
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Ghartey-Kwansah G, Aboagye B, Adu-Nti F, Opoku YK, Abu EK. Clearing or subverting the enemy: Role of autophagy in protozoan infections. Life Sci 2020; 247:117453. [PMID: 32088215 DOI: 10.1016/j.lfs.2020.117453] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 02/17/2020] [Accepted: 02/19/2020] [Indexed: 12/20/2022]
Abstract
The protozoan parasites are evolutionarily divergent, unicellular eukaryotic pathogens representing one of the essential sources of parasitic diseases. These parasites significantly affect the economy and cause public health burdens globally. Protozoan parasites share many cellular features and pathways with their respective host cells. This includes autophagy, a process responsible for self-degradation of the cell's components. There is conservation of the central structural and functional machinery for autophagy in most of the eukaryotic phyla, however, Plasmodium and Toxoplasma possess a decreased number of recognizable autophagy-related proteins (ATG). Plasmodium noticeably lacks clear orthologs of the initiating kinase ATG1/ULK1/2, and both Plasmodium and Toxoplasma lack proteins involved in the nucleation of autophagosomes. These organisms have essential apicoplast, a plastid-like non-photosynthetic organelle, which is an adaptation that is used in penetrating the host cell. Furthermore, available evidence suggests that Leishmania, an intracellular protozoan parasite, induces autophagy in macrophages. The autophagic pathway in Trypanosoma cruzi is activated during metacyclogenesis, a process responsible for the infective forms of parasites. Therefore, numerous pathogens have developed strategies to impair the autophagic mechanism in phagocytes. Regulating autophagy is essential to maintain cellular health as adjustments in the autophagy pathway have been linked to the progression of several physiological and pathological conditions in humans. In this review, we report current advances in autophagy in parasites and their host cells, focusing on the ramifications of these studies in the design of potential anti-protozoan therapeutics.
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Affiliation(s)
- George Ghartey-Kwansah
- Department of Biomedical Sciences, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana; College of Life Sciences, Shaanxi Normal University, Xi'an 710119, China.
| | - Benjamin Aboagye
- Department of Forensic Sciences, College of Agriculture and Natural Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Frank Adu-Nti
- College of Life Sciences, Shaanxi Normal University, Xi'an 710119, China
| | - Yeboah Kwaku Opoku
- Department of Biology Education, Faculty of Science, University of Education, Winneba, Ghana
| | - Emmanuel Kwasi Abu
- Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana
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Boudreau PD, Miller BW, McCall LI, Almaliti J, Reher R, Hirata K, Le T, Siqueira-Neto JL, Hook V, Gerwick WH. Design of Gallinamide A Analogs as Potent Inhibitors of the Cysteine Proteases Human Cathepsin L and Trypanosoma cruzi Cruzain. J Med Chem 2019; 62:9026-9044. [PMID: 31539239 DOI: 10.1021/acs.jmedchem.9b00294] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Gallinamide A, originally isolated with a modest antimalarial activity, was subsequently reisolated and characterized as a potent, selective, and irreversible inhibitor of the human cysteine protease cathepsin L. Molecular docking identified potential modifications to improve binding, which were synthesized as a suite of analogs. Resultingly, this current study produced the most potent gallinamide analog yet tested against cathepsin L (10, Ki = 0.0937 ± 0.01 nM and kinact/Ki = 8 730 000). From a protein structure and substrate preference perspective, cruzain, an essential Trypanosoma cruzi cysteine protease, is highly homologous. Our investigations revealed that gallinamide and its analogs potently inhibit cruzain and are exquisitely toxic toward T. cruzi in the intracellular amastigote stage. The most active compound, 5, had an IC50 = 5.1 ± 1.4 nM, but was relatively inactive to both the epimastigote (insect stage) and the host cell, and thus represents a new candidate for the treatment of Chagas disease.
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Affiliation(s)
| | | | | | - Jehad Almaliti
- Department of Pharmaceutical Sciences, College of Pharmacy , The University of Jordan , Amman 11942 , Jordan
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Conserva GAA, da Costa-Silva TA, Amaral M, Antar GM, Neves BJ, Andrade CH, Tempone AG, Lago JHG. Butenolides from Nectandra oppositifolia (Lauraceae) displayed anti-Trypanosoma cruzi activity via deregulation of mitochondria. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2019; 54:302-307. [PMID: 30668381 DOI: 10.1016/j.phymed.2018.09.236] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 09/25/2018] [Accepted: 09/29/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND From a previous screening of Brazilian biodiversity for antitrypanosomal activity, the n-hexane extract from twigs of Nectandra oppositifolia (Lauraceae) demonstrated in vitro activity against Trypanosoma cruzi. PURPOSE To perform the isolation and chemical characterization of bioactive compounds from n-hexane extract from twigs of N. oppositifolia and evaluate their therapeutical potential as well as to elucidate their mechanism of action against T. cruzi. METHODS/STUDY DESIGN Bioactivity-guided fractionation of the n-hexane extract from twigs of N. oppositifolia afforded three related butenolides: isolinderanolide D (1), isolinderanolide E (2) and secosubamolide A (3). These compounds were evaluated in vitro against T. cruzi (trypomastigote and amastigote forms) and against NCTC (L929) cells for mammalian cytotoxicity. Additionally, phenotypic analyzes of compounds-treated parasites were performed: alterations in the plasma membrane permeability, plasma membrane electric potential (ΔΨp), mitochondrial membrane potential (ΔΨm) and induction of ROS. RESULTS Compounds 1-3 were effective against T. cruzi, with IC50 values of 12.9, 29.9 and 12.5 µM for trypomastigotes and 25.3, 10.1 and 12.3 µM for intracellular amastigotes. Furthermore, it was observed alteration in the mitochondrial membrane potential (ΔΨm) of parasites treated with butenolides 1-3. These compounds caused no alteration to the parasite plasma membrane, and the deregulation of the mitochondria might be an early event to cell death. In addition, in silico studies showed that all butenolides were predicted to be non-mutagenic, non-carcinogenic, non hERG blockers, with acceptable human intestinal absorption, low inhibitory promiscuity with the main five CYP isoforms, and with high metabolic stability. Otherwise, tested butenolides showed unfavorable blood-brain barrier penetration (BBB+). CONCLUSION Our results demonstrated the anti-T. cruzi effects of compounds 1-3 isolated from N. oppositifolia and indicated that the lethal effect of these compounds in trypomastigotes of T. cruzi could be associated to the alteration in the mitochondrial membrane potential (ΔΨm).
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Affiliation(s)
- Geanne A Alves Conserva
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, 09210-180, São Paulo, Brazil
| | - Thais A da Costa-Silva
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, 09210-180, São Paulo, Brazil
| | - Maiara Amaral
- Centro de Parasitologia e Micologia, Instituto Adolfo Lutz, 01246-902, São Paulo, Brazil
| | - Guilherme M Antar
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, 05508-090, São Paulo, Brazil
| | - Bruno J Neves
- Laboratorio de Quimioinformática, Centro Universitário de Anápolis - UniEVANGÉLICA, 75070-290, Goiás, Brazil; LabMol, Laboratorio de Modelagem Molecular e Drug Design, Faculdade de Farmácia, Universidade Federal de Goiás, 74605-170, Goiás, Brazil
| | - Carolina H Andrade
- LabMol, Laboratorio de Modelagem Molecular e Drug Design, Faculdade de Farmácia, Universidade Federal de Goiás, 74605-170, Goiás, Brazil
| | - Andre G Tempone
- Centro de Parasitologia e Micologia, Instituto Adolfo Lutz, 01246-902, São Paulo, Brazil
| | - João Henrique G Lago
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, 09210-180, São Paulo, Brazil.
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Abstract
Autophagy is a well-conserved process of self-digestion of intracellular components. T. cruzi is a protozoan parasite with a complex life-cycle that involves insect vectors and mammalian hosts. Like other eukaryotic organisms, T. cruzi possesses an autophagic pathway that is activated during metacyclogenesis, the process that generates the infective forms of parasites. In addition, it has been demonstrated that mammalian autophagy has a role during host cell invasion by T. cruzi, and that T. cruzi can modulate this process to its own benefit. This review describes the latest findings concerning the participation of autophagy in both the T. cruzi differentiation processes and during the interaction of parasites within the host cells. Data to date suggest parasite autophagy is important for parasite survival and differentiation, which offers interesting prospects for therapeutic strategies. Additionally, the interruption of mammalian autophagy reduces the parasite infectivity, interfering with the intracellular cycle of T. cruzi inside the host. However, the impact on other stages of development, such as the intracellular replication of parasites is still not clearly understood. Further studies in this matter are necessaries to define the integral effect of autophagy on T. cruzi infection with both in vitro and in vivo approaches.
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Affiliation(s)
- Betiana Nebaí Salassa
- a Laboratorio de Biología de Trypanosoma cruzi y la célula hospedadora, Instituto de Histología y Embriología (IHEM) "Dr. Mario H. Burgos" CONICET , Universidad Nacional de Cuyo , Mendoza , Argentina.,b Facultad de Odontología , Universidad Nacional de Cuyo , Mendoza , Argentina
| | - Patricia Silvia Romano
- a Laboratorio de Biología de Trypanosoma cruzi y la célula hospedadora, Instituto de Histología y Embriología (IHEM) "Dr. Mario H. Burgos" CONICET , Universidad Nacional de Cuyo , Mendoza , Argentina.,c Facultad de Ciencias Médicas , Universidad Nacional de Cuyo , Mendoza , Argentina
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Symmetrical and unsymmetrical substituted 2,5-diarylidene cyclohexanones as anti-parasitic compounds. Eur J Med Chem 2018; 155:596-608. [DOI: 10.1016/j.ejmech.2018.06.031] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 03/07/2018] [Accepted: 06/12/2018] [Indexed: 12/21/2022]
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Banerjee M, Parai D, Dhar P, Roy M, Barik R, Chattopadhyay S, Mukherjee SK. Andrographolide induces oxidative stress-dependent cell death in unicellular protozoan parasite Trypanosoma brucei. Acta Trop 2017; 176:58-67. [PMID: 28739368 DOI: 10.1016/j.actatropica.2017.07.023] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 07/13/2017] [Accepted: 07/20/2017] [Indexed: 11/16/2022]
Abstract
African sleeping sickness is a parasitic disease in humans and livestock caused by Trypanosoma brucei throughout sub-Saharan Africa. Absence of appropriate vaccines and prevalence of drug resistance proclaim that a new way of therapeutic interventions is essential against African trypanosomiasis. In the present study, we have looked into the effect of andrographolide (andro), a diterpenoid lactone from Andrographis paiculata on Trypanosoma brucei PRA 380. Although andro has been recognized as a promosing anti-cancer drug, its usefulness against Trypanosoma spp remained unexplored. Andro showed promising anti-trypanosomal activity with an IC50 value of 8.3μM assessed through SYBR Green cell viability assay and also showed no cytotoxicity towards normal murine macrophages. Cell cycle analysis revealed that andro could induce sub-G0/G1 phase arrest. Flow cytometric analysis also revealed that incubation with andro caused exposure of phosphatidyl serine to the outer leaflet of plasma membrane in T. brucei PCF. This event was preceded by andro-induced depolarization of mitochondrial membrane potential (Δym) and elevation of cytosolic calcium. Andro also caused elevation of intracellular reactive oxygen species (ROS) as well as lipid peroxidation level, and depletion in reduced thiol levels. Taken together, these data indicate that andro has promising antitrypanosomal activity mediated by promoting oxidative stress and depolarizing the mitochondrial membrane potential and thereby triggering an apoptosis-like programmed cell death. Therefore, this study merits further investigation to the therapeutic possibility of using andro for the treatment of African trypanosomiasis.
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Affiliation(s)
- Malabika Banerjee
- Department of Microbiology, University of Kalyani, Kalyani 741235, WB, India; TCG Life Science Ltd., Bengal Intelligent Park, Tower-B, Block-EP & GP, Sector-5, Salt Lake, Kolkata, 700091, India
| | - Debaprasad Parai
- Department of Microbiology, University of Kalyani, Kalyani 741235, WB, India
| | - Pranab Dhar
- TCG Life Science Ltd., Bengal Intelligent Park, Tower-B, Block-EP & GP, Sector-5, Salt Lake, Kolkata, 700091, India
| | - Manab Roy
- TCG Life Science Ltd., Bengal Intelligent Park, Tower-B, Block-EP & GP, Sector-5, Salt Lake, Kolkata, 700091, India
| | - Rajib Barik
- TCG Life Science Ltd., Bengal Intelligent Park, Tower-B, Block-EP & GP, Sector-5, Salt Lake, Kolkata, 700091, India
| | - Subrata Chattopadhyay
- TCG Life Science Ltd., Bengal Intelligent Park, Tower-B, Block-EP & GP, Sector-5, Salt Lake, Kolkata, 700091, India
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Plants of Brazilian restingas with tripanocide activity against Trypanosoma cruzi strains. J Bioenerg Biomembr 2017; 49:473-483. [PMID: 29147831 DOI: 10.1007/s10863-017-9733-9] [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: 06/09/2017] [Accepted: 10/30/2017] [Indexed: 10/18/2022]
Abstract
Chagas disease is caused by the Trypanosoma cruzi affecting millions of people, and widespread throughout Latin America. This disease exhibits a problematic chemotherapy. Benznidazole, which is the drug currently used as standard treatment, lamentably evokes several adverse reactions. Among other options, natural products have been tested to discover a novel therapeutic drug for this disease. A lot of plants from the Brazilian flora did not contain studies about their biological effects. Restinga de Jurubatiba from Brazil is a sandbank ecosystem poorly studied in relation to plant biological activity. Thus, three plant species from Restinga de Jurubatiba were tested against in vitro antiprotozoal activity. Among six extracts obtained from leaves and stem parts and 2 essential oils derived from leave parts, only 3 extracts inhibited epimastigote proliferation. Substances present in the extracts with activity were isolated (quercetin, myricetin, and ursolic acid), and evaluated in relation to antiprotozoal activity against epimastigote Y and Dm28 Trypanosoma cruzi strains. All isolated substances were effective to reduce protozoal proliferation. Essentially, quercetin and myricetin did not cause mammalian cell toxicity. In summary, myricetin and quercetin molecule can be used as a scaffold to develop new effective drugs against Chagas's disease.
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Stroppa PH, Antinarelli LM, Carmo AM, Gameiro J, Coimbra ES, da Silva AD. Effect of 1,2,3-triazole salts, non-classical bioisosteres of miltefosine, on Leishmania amazonensis. Bioorg Med Chem 2017; 25:3034-3045. [DOI: 10.1016/j.bmc.2017.03.051] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 03/21/2017] [Accepted: 03/23/2017] [Indexed: 10/19/2022]
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Nerolidol, the main constituent of Piper aduncum essential oil, has anti-Leishmania braziliensis activity. Parasitology 2017; 144:1179-1190. [PMID: 28482935 DOI: 10.1017/s0031182017000452] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Leishmania (Viannia) braziliensis is a protozoan that causes mucocutaneous leishmaniasis, which is an infectious disease that affects more than 12 million people worldwide. The available treatment is limited, has side-effects or is inefficient. In a search for alternative compounds of natural origin, we tested the microbicidal activity of Piper aduncum essential oil (PaEO) on this parasite. Our data showed that PaEO had an inhibitory effect on the growth of L. braziliensis promastigotes with an IC50/24 h=77·9 µg mL-1. The main constituent (nerolidol: 25·22%) presented a similar inhibitory effect (IC50/24 h = 74·3 µg mL-1). Ultrastructural observation of nerolidol-treated parasites by scanning and transmission electron microscopies revealed cell shrinkage and morphological alterations in the mitochondrion, nuclear chromatin and flagellar pocket. Flow cytometry analysis showed a reduction in the cell size, loss of mitochondrial membrane potential, phosphatidylserine exposure and DNA degradation, which when associated with the morphological changes indicated that nerolidol induced incidental cell death in the L. braziliensis promastigotes. The results presented here indicate that nerolidol derivatives are promising compounds for further evaluation against Leishmania parasites.
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29
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Álvarez G, Perdomo C, Coronel C, Aguilera E, Varela J, Aparicio G, Zolessi FR, Cabrera N, Vega C, Rolón M, Rojas de Arias A, Pérez-Montfort R, Cerecetto H, González M. Multi-Anti-Parasitic Activity of Arylidene Ketones and Thiazolidene Hydrazines against Trypanosoma cruzi and Leishmania spp. Molecules 2017; 22:molecules22050709. [PMID: 28481276 PMCID: PMC6154605 DOI: 10.3390/molecules22050709] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 04/23/2017] [Accepted: 04/25/2017] [Indexed: 11/16/2022] Open
Abstract
A series of fifty arylideneketones and thiazolidenehydrazines was evaluated against Leishmania infantum and Leishmania braziliensis. Furthermore, new simplified thiazolidenehydrazine derivatives were evaluated against Trypanosoma cruzi. The cytotoxicity of the active compounds on non-infected fibroblasts or macrophages was established in vitro to evaluate the selectivity of their anti-parasitic effects. Seven thiazolidenehydrazine derivatives and ten arylideneketones had good activity against the three parasites. The IC50 values for T. cruzi and Leishmania spp. ranged from 90 nM-25 µM. Eight compounds had multi-trypanocidal activity against T. cruzi and Leishmania spp. (the etiological agents of cutaneous and visceral forms). The selectivity of these active compounds was better than the three reference drugs: benznidazole, glucantime and miltefosine. They also had low toxicity when tested in vivo on zebrafish. Trying to understand the mechanism of action of these compounds, two possible molecular targets were investigated: triosephosphate isomerase and cruzipain. We also used a molecular stripping approach to elucidate the minimal structural requirements for their anti-T. cruzi activity.
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Affiliation(s)
- Guzmán Álvarez
- Laboratorio de Moléculas Bioactivas, CENUR Litoral Norte, Universidad de la República, Ruta 3 (km 363), Paysandú, C.P. 60000, Uruguay.
| | - Cintya Perdomo
- Laboratorio de Moléculas Bioactivas, CENUR Litoral Norte, Universidad de la República, Ruta 3 (km 363), Paysandú, C.P. 60000, Uruguay.
| | - Cathia Coronel
- Centro Para el Desarrollo de la Investigación Científica (CEDIC/FMB/Diaz Gill Medicina Laboratorial), Asunción, C.P. 1255, Paraguay.
| | - Elena Aguilera
- Grupo de Química Medicinal-Laboratorio de Química Orgánica, Facultad de Ciencias, Universidad de la República, Montevideo, C.P. 11400, Uruguay.
| | - Javier Varela
- Grupo de Química Medicinal-Laboratorio de Química Orgánica, Facultad de Ciencias, Universidad de la República, Montevideo, C.P. 11400, Uruguay.
| | - Gonzalo Aparicio
- Sección Biología Celular, Facultad de Ciencias, Universidad de la República, Montevideo, C.P. 11400, Uruguay.
- Cell Biology of Neural Development Laboratory, Institut Pasteur de Montevideo, Montevideo, C.P. 11400, Uruguay.
| | - Flavio R Zolessi
- Sección Biología Celular, Facultad de Ciencias, Universidad de la República, Montevideo, C.P. 11400, Uruguay.
- Cell Biology of Neural Development Laboratory, Institut Pasteur de Montevideo, Montevideo, C.P. 11400, Uruguay.
| | - Nallely Cabrera
- Departamento de Bioquímica y Biología Estructural, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Ciudad de México, C.P. 04510, Mexico.
| | - Celeste Vega
- Centro Para el Desarrollo de la Investigación Científica (CEDIC/FMB/Diaz Gill Medicina Laboratorial), Asunción, C.P. 1255, Paraguay.
| | - Miriam Rolón
- Centro Para el Desarrollo de la Investigación Científica (CEDIC/FMB/Diaz Gill Medicina Laboratorial), Asunción, C.P. 1255, Paraguay.
| | - Antonieta Rojas de Arias
- Centro Para el Desarrollo de la Investigación Científica (CEDIC/FMB/Diaz Gill Medicina Laboratorial), Asunción, C.P. 1255, Paraguay.
| | - Ruy Pérez-Montfort
- Departamento de Bioquímica y Biología Estructural, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Ciudad de México, C.P. 04510, Mexico.
| | - Hugo Cerecetto
- Grupo de Química Medicinal-Laboratorio de Química Orgánica, Facultad de Ciencias, Universidad de la República, Montevideo, C.P. 11400, Uruguay.
| | - Mercedes González
- Grupo de Química Medicinal-Laboratorio de Química Orgánica, Facultad de Ciencias, Universidad de la República, Montevideo, C.P. 11400, Uruguay.
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Pérez-Morales D, Hernández KDR, Martínez I, Agredano-Moreno LT, Jiménez-García LF, Espinoza B. Ultrastructural and physiological changes induced by different stress conditions on the human parasite Trypanosoma cruzi. Cell Stress Chaperones 2017; 22:15-27. [PMID: 27714535 PMCID: PMC5225055 DOI: 10.1007/s12192-016-0736-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 09/12/2016] [Indexed: 12/20/2022] Open
Abstract
Trypanosoma cruzi is the etiological agent of Chagas disease. The life cycle of this protozoan parasite is digenetic because it alternates its different developmental forms through two hosts, a vector insect and a vertebrate host. As a result, the parasites are exposed to sudden and drastic environmental changes causing cellular stress. The stress response to some types of stress has been studied in T. cruzi, mainly at the molecular level; however, data about ultrastructure and physiological state of the cells in stress conditions are scarce or null. In this work, we analyzed the morphological, ultrastructural, and physiological changes produced on T. cruzi epimastigotes when they were exposed to acid, nutritional, heat, and oxidative stress. Clear morphological changes were observed, but the physiological conditions varied depending on the type of stress. The maintenance of the physiological state was severely affected by heat shock, acidic, nutritional, and oxidative stress. According to the surprising observed growth recovery after damage by stress alterations, different adaptations from the parasite to these harsh conditions were suggested. Particular cellular death pathways are discussed.
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Affiliation(s)
- Deyanira Pérez-Morales
- Laboratorio de Estudios sobre Tripanosomiasis. Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, A.P. 70228, C.P. 04510, Ciudad de México, México
| | - Karla Daniela Rodríguez Hernández
- Laboratorio de Estudios sobre Tripanosomiasis. Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, A.P. 70228, C.P. 04510, Ciudad de México, México
| | - Ignacio Martínez
- Laboratorio de Estudios sobre Tripanosomiasis. Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, A.P. 70228, C.P. 04510, Ciudad de México, México
| | - Lourdes Teresa Agredano-Moreno
- Departamento de Biología Celular, Facultad de Ciencias, Universidad Nacional Autónoma de México, A.P. 70228, C.P. 04510, México, D.F., México
| | - Luis Felipe Jiménez-García
- Departamento de Biología Celular, Facultad de Ciencias, Universidad Nacional Autónoma de México, A.P. 70228, C.P. 04510, México, D.F., México
| | - Bertha Espinoza
- Laboratorio de Estudios sobre Tripanosomiasis. Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, A.P. 70228, C.P. 04510, Ciudad de México, México.
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31
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Din ZU, Santos AD, Trapp MA, Lazarin-Bidóia D, Garcia FP, Peron F, Nakamura CV, Rodrigues-Filho E. Curcumin inspired synthesis of unsymmetrical diarylpentanoids with highly potent anti-parasitic activities: in silico studies and DFT-based stereochemical calculation. MEDCHEMCOMM 2016. [DOI: 10.1039/c5md00599j] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Unsymmetrical diarylpentanoid analogues of curcumin have been synthesized by Claisen–Schmidt condensation of different aldehydes and ketones.
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Affiliation(s)
- Zia Ud Din
- LaBioMMi
- Departamento de Química
- Universidade Federal de São Carlos
- São Carlos
- Brazil
| | - Alef dos Santos
- LaBioMMi
- Departamento de Química
- Universidade Federal de São Carlos
- São Carlos
- Brazil
| | | | - Danielle Lazarin-Bidóia
- Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos
- Universidade Estadual de Maringá
- Maringá
- Brazil
| | - Francielle Pelegrin Garcia
- Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos
- Universidade Estadual de Maringá
- Maringá
- Brazil
| | - Francieli Peron
- Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos
- Universidade Estadual de Maringá
- Maringá
- Brazil
| | - Celso Vataru Nakamura
- Laboratório de Inovação Tecnológica no Desenvolvimento de Fármacos e Cosméticos
- Universidade Estadual de Maringá
- Maringá
- Brazil
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