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Pereira THR, de Moura TR, Santos MRM, Zamarioli LDS, Erustes AG, Smaili SS, Pereira GJS, Godoy Netto AVD, Bincoletto C. Palladium (II) compounds containing oximes as promising antitumor agents for the treatment of osteosarcoma: An in vitro and in vivo comparative study with cisplatin. Eur J Med Chem 2024; 264:116034. [PMID: 38103541 DOI: 10.1016/j.ejmech.2023.116034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 11/24/2023] [Accepted: 12/05/2023] [Indexed: 12/19/2023]
Abstract
Drug resistance, evasion of cell death and metastasis are factors that contribute to the low cure rate and disease-free survival in osteosarcomas (OS). In this study, we demonstrated that a new class of oxime-containing organometallic complexes called Pd-BPO (O3) and Pd-BMO (O4) are more cytotoxic than cisplatin (CDDP) for SaOS-2 and U2OS cells using the MTT assay. Annexin-FITC/7-AAD staining demonstrated a greater potential for palladium-oxime complexes to induce death in SaOS-2 cells than CDDP, an event confirmed using the pan-caspase inhibitor Z-VAD-FMK. Compared to CDDP, only palladium-oxime complexes eradicated the clonogenicity of SaOS-2 cells after 7 days of treatment. The involvement of the lysosome-mitochondria axis in the cell death-inducing properties of the complexes was also evaluated. Using LysoTracker Red to label the acidic organelles of SaOS-2 cells treated with the O3 and O4 complexes, a decrease in the fluorescence intensity of this probe was observed in relation to CDDP and the control. Lysosomal membrane permeabilization (LMP) was also induced by the O3 and O4 complexes in an assay using acridine orange (A/O). The greater efficiency of the complexes in depolarizing the mitochondrial membrane compared to SaOS-2 cells treated with CDDP was also observed using TMRE (tetramethyl rhodamine, ethyl ester). For in vivo studies, C. elegans was used and demonstrated that both complexes reduce body bends and pharyngeal pumping after 24 h of treatment to the same extent as CDDP. We conclude that both palladium-oxime complexes are more effective than CDDP in inducing tumor cell death. The toxicity of these complexes to C. elegans was like that induced by CDDP. These results encourage preclinical studies aimed at developing more effective drugs for the treatment of osteosarcoma (OS). Furthermore, we propose palladium-oxime complexes as a new class of antineoplastic agents.
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Affiliation(s)
- Thales Hebert Regiani Pereira
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | | | - Michele Rosana Maia Santos
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Lucas Dos Santos Zamarioli
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Adolfo G Erustes
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Soraya S Smaili
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Gustavo J S Pereira
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | | | - Claudia Bincoletto
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil.
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Sperandio LP, Lins IVF, Erustes AG, Leão AHFF, Antunes F, Morais IBM, Vieira HF, de Campos LM, Bincoletto C, Smaili SS, Pereira GJS. Blocking autophagy by the two-pore channels antagonist tetrandrine improves sorafenib-induced death of hepatocellular carcinoma cells. Toxicol In Vitro 2023; 90:105603. [PMID: 37121360 DOI: 10.1016/j.tiv.2023.105603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 04/07/2023] [Accepted: 04/25/2023] [Indexed: 05/02/2023]
Abstract
Sorafenib, an oral multi-kinase inhibitor, used to treat hepatocellular carcinoma (HCC). However, drug resistance is still common in several HCC patients. This complex mechanism is not yet fully elucidated, driving the search for new therapeutic targets to potentiate the antitumoral effect of sorafenib. Recent findings have linked the expression of Two-Pore Channels (TPCs) receptors with the development and progression of cancer. TPCs receptors are stimulated by NAADP, a Ca2+ messenger, and inhibited by their antagonists Ned-19 and tetrandrine. Here, we investigate the participation of TPCs inhibition in cell death and autophagy in sorafenib-treated HCC cells. Here, we show that the association of sorafenib with tetrandrine increased sorafenib-induced cell death accompanied by increased lysotracker fluorescence intensity. In contrast, these effects were not observed after treating these cells with Ned-19. The pharmacological TPC antagonists by Ned-19 and tetrandrine or siRNA-mediated TPC1/2 inhibition decreased sorafenib-induced Ca2+ release, reinforcing the participation of TPCs in sorafenib HCC responses. Furthermore, the association tetrandrine and sorafenib blocked autophagy through ERK1/2 pathway inhibition, which represents a putative target for potentiating HCC cell death. Therefore, our study proposes the use of tetrandrine analogs with the aim of improving sorafenib therapy. Also, our data also allow us to suggest that TPCs may be a new target in anticancer therapies.
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Affiliation(s)
- Letícia Paulino Sperandio
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Isis Valeska F Lins
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Adolfo G Erustes
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Anderson H F F Leão
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Fernanda Antunes
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Ingrid B M Morais
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | | | - Laís Maria de Campos
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Claudia Bincoletto
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Soraya S Smaili
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Gustavo J S Pereira
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
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Queiroz VC, Sales SMC, Nicoliche T, Erustes AG, Pereira GJ, Smaili SS, Stilhano RS, Caetano AL. DEVELOPMENT OF SCAFFOLD-FREE SPHEROIDS OVEREXPRESSING ALPHA-SYNUCLEIN IN HUMAN NEUROBLASTOMA SH-SY5Y AS A MODEL OF PARKINSON'S DISEASE. Cytotherapy 2021. [DOI: 10.1016/j.jcyt.2021.02.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Nascimento AC, Erustes AG, Reckziegel P, Bincoletto C, Ureshino RP, Pereira GJS, Smaili SS. α-Synuclein Overexpression Induces Lysosomal Dysfunction and Autophagy Impairment in Human Neuroblastoma SH-SY5Y. Neurochem Res 2020; 45:2749-2761. [PMID: 32915398 DOI: 10.1007/s11064-020-03126-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/27/2020] [Accepted: 09/05/2020] [Indexed: 12/13/2022]
Abstract
Although the etiology of Parkinson's disease (PD) is multifactorial, it has been linked to abnormal accumulation of α-synuclein (α-syn) in dopaminergic neurons, which could lead to dysfunctions on intracellular organelles, with potential neurodegeneration. Patients with familial early-onset PD frequently present mutation in the α-syn gene (SNCA), which encodes mutant α-syn forms, such as A30P and A53T, which potentially regulate Ca2+ unbalance. Here we investigated the effects of overexpression of wild-type α-syn (WT) and the mutant forms A30P and A53T, on modulation of lysosomal Ca2+ stores and further autophagy activation. We found that in α-syn-overexpressing cells, there was a decrease in Ca2+ released from endoplasmic reticulum (ER) which is related to the increase in lysosomal Ca2+ release, coupled to lysosomal pH alkalization. Interestingly, α-syn-overexpressing cells showed lower LAMP1 levels, and a disruption of lysosomal morphology and distribution, affecting autophagy. Interestingly, all these effects were more evident with A53T mutant isoform when compared to A30P and WT α-syn types, indicating that the pathogenic phenotype for PD is potentially related to impairment of α-syn degradation. Taken together, these events directly impact PD-related dysfunctions, being considered possible molecular targets for neuroprotection.
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Affiliation(s)
- Ana Carolina Nascimento
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), Rua Três de Maio Street, 100, São Paulo, SP, 04044-020, Brazil
| | - Adolfo G Erustes
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), Rua Três de Maio Street, 100, São Paulo, SP, 04044-020, Brazil
| | - Patrícia Reckziegel
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), Rua Três de Maio Street, 100, São Paulo, SP, 04044-020, Brazil
| | - Claudia Bincoletto
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), Rua Três de Maio Street, 100, São Paulo, SP, 04044-020, Brazil
| | - Rodrigo P Ureshino
- Department of Biological Sciences, Diadema Campus, Universidade Federal de São Paulo (UNIFESP), Professor Arthur Riedel Street, Diadema, SP, 09972-270, Brazil
| | - Gustavo J S Pereira
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), Rua Três de Maio Street, 100, São Paulo, SP, 04044-020, Brazil.
| | - Soraya S Smaili
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), Rua Três de Maio Street, 100, São Paulo, SP, 04044-020, Brazil.
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Souza DS, Lombardi APG, Vicente CM, Lucas TFG, Erustes AG, Pereira GJS, Porto CS. Estrogen receptors localization and signaling pathways in DU-145 human prostate cancer cells. Mol Cell Endocrinol 2019; 483:11-23. [PMID: 30660702 DOI: 10.1016/j.mce.2018.12.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 12/19/2018] [Accepted: 12/20/2018] [Indexed: 02/07/2023]
Abstract
The aim of the present study was to investigate the subcellular localization of estrogen receptors ERα and ERβ in androgen-independent prostate cancer cell line DU-145, and the possible role of exportin CRM1 on ERs distribution. In addition, we evaluated the ERs contribution to activation of ERK1/2 and AKT. Immunostaining of ERα and ERβ was predominantly found in the extranuclear regions of DU-145 cells. CRM1 inhibitor Leptomycin B reduced drastically the presence of ERα and ERβ in the extranuclear regions and increased in the nuclei, indicating the possible involvement of CRM1 on ERs nuclear-cytoplasmic shuttling. 17β-estradiol (E2), ERα-selective agonist PPT and ERβ-selective agonist DPN induced a rapid increase on ERK1/2 phosphorylation. E2-induced ERK1/2 activation was partially inhibited when cells were pretreated with ERα- or ERβ-selective antagonists, and blocked by simultaneous pretreatment with both antagonists, suggesting ERα/β heterodimers formation. Furthermore, E2 treatment did not activate AKT pathway. Therefore, we highlighted a possible crosstalk between extranuclear and nuclear ERs and their upstream and downstream signaling molecules as an important mechanism to control ER function as a potential therapeutic target in prostate cancer cells.
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Affiliation(s)
- Deborah S Souza
- Laboratory of Experimental Endocrinology, Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil
| | - Ana Paola G Lombardi
- Laboratory of Experimental Endocrinology, Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil
| | - Carolina M Vicente
- Laboratory of Experimental Endocrinology, Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil
| | - Thaís Fabiana G Lucas
- Laboratory of Experimental Endocrinology, Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil
| | - Adolfo G Erustes
- Laboratory of Experimental Endocrinology, Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil
| | - Gustavo J S Pereira
- Laboratory of Experimental Endocrinology, Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil
| | - Catarina S Porto
- Laboratory of Experimental Endocrinology, Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Pedro de Toledo 669, Vila Clementino, São Paulo, SP, 04039-032, Brazil.
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Lima CS, Spindola DG, Bechara A, Garcia DM, Palmeira-Dos-Santos C, Peixoto-da-Silva J, Erustes AG, Michelin LFG, Pereira GJS, Smaili SS, Paredes-Gamero E, Calgarotto AK, Oliveira CR, Bincoletto C. Cafestol, a diterpene molecule found in coffee, induces leukemia cell death. Biomed Pharmacother 2017; 92:1045-1054. [PMID: 28618649 DOI: 10.1016/j.biopha.2017.05.109] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 05/19/2017] [Accepted: 05/22/2017] [Indexed: 01/01/2023] Open
Abstract
To evaluate the antitumor properties of Cafestol four leukemia cell lines were used (NB4, K562, HL60 and KG1). Cafestol exhibited the highest cytotoxicity against HL60 and KG1 cells, as evidenced by the accumulation of cells in the sub-G1 fraction, mitochondrial membrane potential reduction, accumulation of cleaved caspase-3 and phosphatidylserine externalization. An increase in CD11b and CD15 differentiation markers with attenuated ROS generation was also observed in Cafestol-treated HL60 cells. These results were similar to those obtained following exposure of the same cell line to cytarabine (Ara-C), an antileukemic drug. Cafestol and Ara-C reduced the clonogenic potential of HL60 cells by 100%, but Cafestol spared murine colony forming unit- granulocyte/macrophage (CFU-GM), which retained their clonogenicity. The co-treatment of Cafestol and Ara-C reduced HL60 cell viability compared with both drugs administered alone. In conclusion, despite the distinct molecular mechanisms involved in the activity of Cafestol and Ara-C, a similar cytotoxicity towards leukemia cells was observed, which suggests a need for prophylactic-therapeutic pre-clinical studies regarding the anticancer properties of Cafestol.
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Affiliation(s)
- Cauê S Lima
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo, São Paulo, Brazil
| | - Daniel G Spindola
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo, São Paulo, Brazil
| | - Alexandre Bechara
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo, São Paulo, Brazil
| | - Daniel M Garcia
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo, São Paulo, Brazil
| | - Caroline Palmeira-Dos-Santos
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo, São Paulo, Brazil
| | - Janaina Peixoto-da-Silva
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo, São Paulo, Brazil
| | - Adolfo G Erustes
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo, São Paulo, Brazil
| | - Luis F G Michelin
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo, São Paulo, Brazil
| | - Gustavo J S Pereira
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo, São Paulo, Brazil
| | - Soraya S Smaili
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo, São Paulo, Brazil
| | - Edgar Paredes-Gamero
- Departamento de Bioquímica, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo/SP, Brazil
| | - Andrana K Calgarotto
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo, São Paulo, Brazil
| | - Carlos R Oliveira
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo, São Paulo, Brazil; Grupo de Fitocomplexos e Sinalização Celular, Escola de Ciências da Saúde, Universidade Anhembi Morumbi, São Paulo/SP, Brazil
| | - Claudia Bincoletto
- Departamento de Farmacologia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo, São Paulo, Brazil.
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