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Bertollo AG, Mingoti MED, de Medeiros J, da Silva GB, Capoani GT, Lindemann H, Cassol J, Manica D, de Oliveira T, Garcez ML, Bagatini MD, Bohnen LC, Junior WAR, Ignácio ZM. Hydroalcoholic Extract of Centella asiatica and Madecassic Acid Reverse Depressive-Like Behaviors, Inflammation and Oxidative Stress in Adult Rats Submitted to Stress in Early Life. Mol Neurobiol 2024:10.1007/s12035-024-04198-1. [PMID: 38703344 DOI: 10.1007/s12035-024-04198-1] [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: 12/24/2023] [Accepted: 04/22/2024] [Indexed: 05/06/2024]
Abstract
Major depressive disorder (MDD) is a severe disorder that causes enormous loss of quality of life, and among the factors underlying MDD is stress in maternal deprivation (MD). In addition, classic pharmacotherapy has presented severe adverse effects. Centella asiatica (C. asiatica) demonstrates a potential neuroprotective effect but has not yet been evaluated in MD models. This study aimed to evaluate the effect of C. asiatica extract and the active compound madecassic acid on possible depressive-like behavior, inflammation, and oxidative stress in the hippocampus and serum of young rats submitted to MD in the first days of life. Rats (after the first day of birth) were separated from the mother for 3 h a day for 10 days. When adults, these animals were divided into groups and submitted to treatment for 14 days. After subjecting the animals to protocols of locomotor activity in the open field and behavioral despair in the forced swimming test, researchers then euthanized the animals. The hippocampus and serum were collected and analyzed for the inflammatory cytokines and oxidative markers. The C. asiatica extract and active compound reversed or reduced depressive-like behaviors, inflammation in the hippocampus, and oxidative stress in serum and hippocampus. These results suggest that C. asiatica and madecassic acid have potential antidepressant action, at least partially, through anti-inflammatory and antioxidant profiles.
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Affiliation(s)
- Amanda Gollo Bertollo
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - Maiqueli Eduarda Dama Mingoti
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - Jesiel de Medeiros
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - Gilnei Bruno da Silva
- Multicentric Postgraduate Program in Biochemistry and Molecular Biology, State University of Santa Catarina, Lages, SC, Brazil
| | - Giovana Tamara Capoani
- Laboratory of Pharmacognosy, Community University of Chapecó Region, Unochapecó, Chapecó, SC, Brazil
| | - Heloisa Lindemann
- Laboratory of Pharmacognosy, Community University of Chapecó Region, Unochapecó, Chapecó, SC, Brazil
| | - Joana Cassol
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - Daiane Manica
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - Tacio de Oliveira
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - Michelle Lima Garcez
- Department of Clinical Analysis, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Margarete Dulce Bagatini
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - Lilian Caroline Bohnen
- Postgraduate Program in Health Sciences, Community University of Chapecó Region, Unochapecó, Chapecó, SC, Brazil
| | - Walter Antônio Roman Junior
- Postgraduate Program in Health Sciences, Community University of Chapecó Region, Unochapecó, Chapecó, SC, Brazil
| | - Zuleide Maria Ignácio
- Laboratory of Physiology Pharmacology and Psychopathology, Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, 89815-899, Brazil.
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da Silva GB, Manica D, da Silva AP, Valcarenghi E, Donassolo SR, Kosvoski GC, Mingoti MED, Gavioli J, Cassol JV, Hanauer MC, Hellmann MB, Marafon F, Bertollo AG, de Medeiros J, Cortez AD, Réus GZ, de Oliveira GG, Ignácio ZM, Bagatini MD. Peripheral biomarkers as a predictor of poor prognosis in severe cases of COVID-19. Am J Med Sci 2024:S0002-9629(24)01171-6. [PMID: 38636654 DOI: 10.1016/j.amjms.2024.04.011] [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: 10/03/2023] [Revised: 12/29/2023] [Accepted: 04/15/2024] [Indexed: 04/20/2024]
Abstract
We evaluated glycemia and triglyceride, hepatic, muscular, and renal damage markers, redox profile, and leptin and ghrelin hormone levels of COVID-19 patients. We also realized statistical analysis to verify the potential of biomarkers to predict poor prognosis and the correlation between them in severe cases. We assessed glycemia and the levels of triglycerides, hepatic, muscular, and renal markers in automatized biochemical analyzer. The leptin and ghrelin hormones were assessed by the ELISA assay. Severe cases presented high glycemia and triglyceride levels. Hepatic, muscular, and renal biomarkers were altered in severe patients. An oxidative stress status was found in severe COVID-19 patients. Severe cases also had increased levels of leptin. The ROC curves indicated many biomarkers as poor prognosis predictors in severe cases. The Spearman analysis showed that biomarkers correlate between themselves. Patients with COVID-19 showed significant dysregulation in the levels of several peripheral biomarkers. We bring to light that a robust panel of peripheral biomarkers and hormones predict poor prognosis in severe cases of COVID-19, as well as correlates between them. Early monitoring of these biomarkers may conduct the correct clinical intervention associated with the clinical symptoms for treating patients infected by SARS-CoV-2.
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Affiliation(s)
- Gilnei B da Silva
- Multicentric Postgraduate Program in Biochemistry and Molecular Biology, State University of Santa Catarina, Lages, SC, Brazil
| | - Daiane Manica
- Postgraduate Program in Biochemistry, Federal University of Santa Catarina, SC, Brazil
| | - Alana P da Silva
- Postgraduate Program in Biochemistry, Federal University of Santa Catarina, SC, Brazil
| | - Eduarda Valcarenghi
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Sabine R Donassolo
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Greicy C Kosvoski
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Maiqueli E D Mingoti
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Jullye Gavioli
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Joana V Cassol
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Marceli C Hanauer
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Mariélly B Hellmann
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Filomena Marafon
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Amanda G Bertollo
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Jesiel de Medeiros
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Arthur D Cortez
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Gislaine Z Réus
- Postgraduate Program in Health Sciences, Translational Psychiatry Laboratory, University of Southern Santa Catarina, Criciúma, SC, Brazil
| | - Gabriela G de Oliveira
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Zuleide M Ignácio
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Margarete D Bagatini
- Postgraduate Program in Biochemistry, Federal University of Santa Catarina, SC, Brazil; Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil.
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Henrique Fontoura B, Cristina Perin E, Paula Buratto A, Francisco Schreiner J, Menezes Cavalcante K, Dias Teixeira S, Manica D, Antônio Narzetti R, Bruno da Silva G, Dulce Bagatini M, Luiza Cadorin Oldoni T, Teresinha Carpes S. Chemical profile and biological properties of the Piper corcovadense C.DC. essential oil. Saudi Pharm J 2024; 32:101993. [PMID: 38384478 PMCID: PMC10879029 DOI: 10.1016/j.jsps.2024.101993] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 02/11/2024] [Indexed: 02/23/2024] Open
Abstract
The essential oil from Piper corcovadense D.DC. (EOPc), an important plant belonging to the Piperaceae family, which is commonly found in the northern region of Brazil and poorly explored scientifically, was used in this study. Thus, the EOPc was characterized chemically by Gas Chromatography/Mass Spectrometry (GC/MS) and the antioxidant and antimicrobial activities and their potential effects on cutaneous melanoma (SK-MEL-28) and healthy peripheral blood mononuclear (PBMC) cells were determined. The major compounds identified in the EOPc were: trans-sesquisabinene hydrate, trans-caryophyllene, β-pinene, trans-β-farnesene, 14-hydroxycaryophyllene, limonene and p-cymene. The EOPc demonstrated antioxidant activity as evaluated by Folin-Ciocalteu reagent (FC) reducing capacity, DPPH, and ABTS methods. The values found were respectively 5.41 ± 0.17 mg GAE mL-1 (GAE: Gallic acid equivalent), 2.88 ± 0.17 µmol TE mL-1 (TE: Trolox equivalent) and 6.26 ± 0.02 µmol TE mL-1. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were determined for different bacterial strains. The EOPc at a concentration of 2.61 µg mL-1 exhibited both bactericidal and bacteriostatic properties against Escherichia coli. The EOPc showed potential antitumor activity as it reduced the cell viability of human cutaneous melanoma cells SK-MEL-28. Besides, the EOPc did not exhibit cytotoxic activity against healthy PBMCs, indicating that it does not harm healthy cells at the tested concentrations. The EOPc increased the levels of ROS at concentrations of 250 µg mL-1. The EOPc also did not stimulate the mobilization of endogenous antioxidant defenses, as assessed by total thiol (PSH) and non-protein thiols (NPSH). Thus, the study suggests that the EOPc has antioxidant and antimicrobial properties due to the presence of specific compounds. It also exhibits antitumor potential against cutaneous melanoma cells while showing no cytotoxicity to healthy PBMCs. It directly influenced ROS levels at the highest tested concentration in the cells, suggesting an antitumor effect related to the intrinsic apoptosis pathway. Nevertheless, while the study has initial findings, the results are promising and indicate an attractive biological potential of P. corcovadense, mainly in human cutaneous melanoma cells.
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Affiliation(s)
- Bruno Henrique Fontoura
- Department of Chemistry, Postgraduate Program in Chemical and Biochemical Process Technology (PPGTP), Federal Technological University of Paraná, Campus Pato Branco, PO Box 571, CEP 85503-390 PR, Brazil
| | - Ellen Cristina Perin
- Department of Chemistry, Postgraduate Program in Chemical and Biochemical Process Technology (PPGTP), Federal Technological University of Paraná, Campus Pato Branco, PO Box 571, CEP 85503-390 PR, Brazil
| | - Ana Paula Buratto
- Department of Chemistry, Postgraduate Program in Chemical and Biochemical Process Technology (PPGTP), Federal Technological University of Paraná, Campus Pato Branco, PO Box 571, CEP 85503-390 PR, Brazil
| | - Jucemar Francisco Schreiner
- Department of Chemistry, Postgraduate Program in Chemical and Biochemical Process Technology (PPGTP), Federal Technological University of Paraná, Campus Pato Branco, PO Box 571, CEP 85503-390 PR, Brazil
| | - Kamyla Menezes Cavalcante
- Department of Chemistry, Postgraduate Program in Chemical and Biochemical Process Technology (PPGTP), Federal Technological University of Paraná, Campus Pato Branco, PO Box 571, CEP 85503-390 PR, Brazil
| | - Sirlei Dias Teixeira
- Department of Chemistry, Postgraduate Program in Chemical and Biochemical Process Technology (PPGTP), Federal Technological University of Paraná, Campus Pato Branco, PO Box 571, CEP 85503-390 PR, Brazil
| | - Daiane Manica
- Postgraduate Program in Biochemistry, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Rafael Antônio Narzetti
- Postgraduate Program in Biochemistry, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Gilnei Bruno da Silva
- Multicentric Postgraduate Program in Biochemistry and Molecular Biology, State University of Santa Catarina, Lages, SC, Brazil
| | - Margarete Dulce Bagatini
- Postgraduate Program in Biochemistry, Federal University of Santa Catarina, Florianópolis, SC, Brazil
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Tatiane Luiza Cadorin Oldoni
- Department of Chemistry, Postgraduate Program in Chemical and Biochemical Process Technology (PPGTP), Federal Technological University of Paraná, Campus Pato Branco, PO Box 571, CEP 85503-390 PR, Brazil
| | - Solange Teresinha Carpes
- Department of Chemistry, Postgraduate Program in Chemical and Biochemical Process Technology (PPGTP), Federal Technological University of Paraná, Campus Pato Branco, PO Box 571, CEP 85503-390 PR, Brazil
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Manica D, Silva GBD, Silva APD, Marafon F, Maciel SFVDO, Bagatini MD, Moreno M. Curcumin promotes apoptosis of human melanoma cells by caspase 3. Cell Biochem Funct 2023; 41:1295-1304. [PMID: 37792322 DOI: 10.1002/cbf.3863] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 07/20/2023] [Revised: 09/10/2023] [Accepted: 09/17/2023] [Indexed: 10/05/2023]
Abstract
Cutaneous melanoma (CM) is a malignant neoplasm with a high metastatic rate that shows poor response to systemic treatments in patients with advanced stages. Recently, studies have highlighted the antineoplastic potential of natural compounds, such as polyphenols, in the adjuvant therapy context to treat CM. The objective of the present study was to evaluate the effect of different concentrations of curcumin (0.1-100 µM) on the metastatic CM cell line SK-MEL-28. The cells were treated for 6 and 24 h with different concentrations of curcumin. Cell viability was assessed by 3-(4,5-dimethyl-2thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay and fluorescence microscopy. The apoptotic-inducing potential was detected by annexin V flow cytometry. The wound healing assay was used to verify cell migration after the curcumin exposition. The redox profile was evaluated by levels of the pro-oxidant markers reactive oxygen species (ROS) and Nitric oxide (NOx) and antioxidants of total thiols (PSH) and nonprotein thiols. The gene expression and enzymatic activity of caspase 3 were evaluated by reverse transcription-quantitative polymerase chain reaction and a sensitive fluorescence assay, respectively. Curcumin significantly decreased the cell viability of SK-MEL-28 cells at both exposure times. It also induced apoptosis at the highest concentration tested (p < .0001). SK-MEL-28 cell migration was inhibited by curcumin after treatment with 10 µM (p < .0001) and 100 µM (p < .0001) for 6 and 24 h (p = .0006 and p < .0001, respectively). Furthermore, curcumin significantly increased levels of ROS and NOx. Finally, curcumin was capable of increasing the gene expression at 10 µM (p = .0344) and 100 µM (p = .0067) and enzymatic activity at 10 µM (p = .0086) and 100 µM (p < .0001) of caspase 3 after 24 h. For the first time, we elucidated in our study that curcumin increases ROS levels, promoting oxidative stress that activates the caspase pathway and culminates in SK-MEL-28 metastatic CM cell death.
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Affiliation(s)
- Daiane Manica
- Postgraduate Programme in Biochemistry, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Gilnei Bruno da Silva
- Multicentric Postgraduate Programme in Biochemistry and Molecular Biology, State University of Santa Catarina, Lages, Santa Catarina, Brazil
| | - Alana Patrícia da Silva
- Postgraduate Programme in Biochemistry, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Filomena Marafon
- Postgraduate Programme in Biochemistry, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | | | - Margarete Dulce Bagatini
- Postgraduate Programme in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, Santa Catarina, Brazil
| | - Marcelo Moreno
- Postgraduate Programme in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, Santa Catarina, Brazil
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Manica D, da Silva GB, de Lima J, Cassol J, Dallagnol P, Narzetti RA, Moreno M, Bagatini MD. Caffeine reduces viability, induces apoptosis, inhibits migration and modulates the CD39/CD73 axis in metastatic cutaneous melanoma cells. Purinergic Signal 2023:10.1007/s11302-023-09967-6. [PMID: 37768408 DOI: 10.1007/s11302-023-09967-6] [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: 06/26/2023] [Accepted: 09/10/2023] [Indexed: 09/29/2023] Open
Abstract
We aimed to evaluate the effect of caffeine on viability, apoptosis, migration, redox profile and modulatory effect of the purinergic system of cutaneous melanoma cells. The melanoma cells SK-MEL-28 and non-tumoural CCD-1059sk cells were treated for 24 h with different concentrations of caffeine. Cell viability was evaluated by a biochemical assay and fluorescence microscopy, and flow cytometry assessed apoptosis induction. A wound-healing assay assessed cell migration. The redox profile was evaluated by the levels of markers of reactive oxygen species (ROS), nitric oxide (NOx), total thiols (PSH) and non-protein thiols (NPSH). RT-qPCR and flow cytometry assessed the expression of CD39 and CD73. ATPase/ADPase and AMPase enzyme activities were evaluated by hydrolysis of ATP, ADP and AMP nucleotides. A bioluminescent assay assessed extracellular ATP levels. Caffeine significantly reduced melanoma cell viability and migration and did not affect non-tumoural cells. Caffeine increased ROS levels and improved PSH levels in melanoma cells. Furthermore, caffeine reduced CD39 and CD73 expression, decreased ATP, ADP and AMP nucleotide hydrolysis and increased extracellular ATP levels. We have shown that caffeine reduces metastatic cutaneous melanoma cell viability and migration, induces ROS generation and improves PSH levels. In an unprecedented manner, we also showed that caffeine reduces the expression of CD39 and CD73 and, consequently, ATPase/ADPase/AMPase hydrolytic activity of ectonucleotidases, thus displacing the CD39/CD73 axis and increasing extracellular ATP levels. Therefore, caffeine may be an interesting compound for clinical trials with the CD39/CD73 axis as a therapeutic target.
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Affiliation(s)
- Daiane Manica
- Postgraduate Program in Biochemistry, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Gilnei Bruno da Silva
- Multicentric Postgraduate Program in Biochemistry and Molecular Biology, State University of Santa Catarina, Lages, SC, Brazil
| | - Jussara de Lima
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Joana Cassol
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Paula Dallagnol
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Rafael Antônio Narzetti
- Postgraduate Program in Biochemistry, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Marcelo Moreno
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil.
| | - Margarete Dulce Bagatini
- Postgraduate Program in Biochemistry, Federal University of Santa Catarina, Florianópolis, SC, Brazil.
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil.
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Manica D, Sandri G, da Silva GB, Manica A, da Silva Rosa Bonadiman B, Dos Santos D, Flores ÉMM, Bolzan RC, Barcelos RCS, Tomazoni F, Suthovski G, Bagatini MD, Benvegnú DM. Evaluation of the effects of metformin on antioxidant biomarkers and mineral levels in patients with type II diabetes mellitus: A cross-sectional study. J Diabetes Complications 2023; 37:108497. [PMID: 37209504 DOI: 10.1016/j.jdiacomp.2023.108497] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 05/03/2023] [Accepted: 05/10/2023] [Indexed: 05/22/2023]
Abstract
Diabetes mellitus (DM) and arterial hypertension are considered serious public health problems. Several studies have shown that oxidative stress is usually related to the onset of DM and hypertension, as well their associated complications. Moreover, the levels of some minerals are closely related to the pathophysiology of these diseases. Thus, in this study we aimed to evaluate the effect of metformin on the redox profile and mineral levels in the serum of patients with DM type 2 and hypertension. We also tested the effect of metformin on the viability and redox profile of peripheral blood mononuclear cells (PBMCs) for 24 h. As expected, we found that patients with type 2 DM and hypertension + type 2 DM had higher fasting glucose and triglyceride levels. As groundbreaking research, we found that both patients DM type 2 and Hypertension + DM type 2 had reduced myeloperoxidase (MPO) activity. On the other hand, the levels of total thiols (PSH) and vitamin C were increased. There was no statistical significance for the alterations in mineral levels. In addition, metformin treatment had no cytotoxic effect on PBMCs. Similarly, in patients of both groups, MPO activity was reduced and PSH levels were increased in PBMCs. We have shown that metformin is a drug with a protective effect in patients with DM type 2 against oxidative stress by reducing MPO activity and improving the levels of PSH and antioxidant defenders such as vitamin C. The results of in vitro assays support the antioxidant effect of metformin. Furthermore, we suggest studies to assess the biochemical mechanisms of metformin and how it can be used in a pharmacological therapeutic perspective against oxidative damage.
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Affiliation(s)
- Daiane Manica
- Post-graduate Program in Biochemistry, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Gabriela Sandri
- Post Graduate Program of Health, Welfare and Sustainable Animal Production on Fronteira Sul, Federal University of Fronteira Sul, Realeza, PR, Brazil
| | - Gilnei Bruno da Silva
- Multicentric Postgraduate Program in Biochemistry and Molecular Biology, State University of Santa Catarina, Lages, SC, Brazil
| | - Aline Manica
- Post Graduate Program in Health Sciences of the Community University of Chapecó Region - Unochapecó, Chapecó, SC, Brazil
| | - Beatriz da Silva Rosa Bonadiman
- School of Health, Area of Biological and Health Sciences, Community University of Chapecó Region - Unochapecó, Chapecó, SC, Brazil
| | - Daniel Dos Santos
- Graduate Program in Chemical Engineering, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | | | | | | | - Fernanda Tomazoni
- Graduate Program in Dental Science, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Gabriela Suthovski
- Post Graduate Program of Health, Welfare and Sustainable Animal Production on Fronteira Sul, Federal University of Fronteira Sul, Realeza, PR, Brazil
| | - Margarete Dulce Bagatini
- Post Graduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil.
| | - Dalila Moter Benvegnú
- Post Graduate Program of Health, Welfare and Sustainable Animal Production on Fronteira Sul, Federal University of Fronteira Sul, Realeza, PR, Brazil
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da Silva GB, Manica D, da Silva AP, Marafon F, Moreno M, Bagatini MD. Rosmarinic acid decreases viability, inhibits migration and modulates expression of apoptosis-related CASP8/CASP3/NLRP3 genes in human metastatic melanoma cells. Chem Biol Interact 2023; 375:110427. [PMID: 36863647 DOI: 10.1016/j.cbi.2023.110427] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 12/22/2022] [Revised: 02/13/2023] [Accepted: 02/27/2023] [Indexed: 03/04/2023]
Abstract
Cutaneous melanoma is the most aggressive type of skin cancer; it is difficult to treat, and has been highlighted in recent years due to increasing numbers of cases worldwide. The use of antitumoral therapeutics for this neoplasm has been associated with severe side effects, low quality of life, and resistance. We aimed in this study to explore the effect of the phenolic compound rosmarinic acid (RA) on human metastatic melanoma cells. SK-MEL-28 melanoma cells were treated for 24 h with different concentrations of RA. In parallel, peripheral blood mononuclear cells (PBMCs) also were treated with RA under the same experimental conditions to verify the cytotoxic effect on non-tumoral cells. Then, we assessed cell viability and migration, levels of intracellular and extracellular reactive oxygen species (ROS), as well as nitric oxide (NOx), non-protein thiols (NPSH), and total thiol (PSH). Gene expression of the caspase 8, caspase 3 and NLRP3 inflammasome was evaluated by RT-qPCR. The enzymatic activity of the caspase 3 protein was assessed by a sensitive fluorescent assay. Fluorescence microscopy was employed to corroborate the effects of RA on melanoma cell viability, mitochondria transmembrane potential and apoptotic bodies formation. We found that RA potently reduces melanoma cell viability and migration after 24 h of treatment. On the other hand, it has no cytotoxic effect on non-tumoral cells. The fluorescence micrographics indicated that RA reduces transmembrane potential of mitochondria and induces apoptotic bodies formation. Moreover, RA significantly decreases intracellular and extracellular ROS levels, and increases the antioxidant defenders NPSH and PSH. A remarkable feature found in our study was that RA strongly upregulates the gene expression of the caspase 8 and caspase 3, and downregulates NLRP3 inflammasome expression. Similar to gene expression, RA greatly increases the enzymatic activity of caspase 3 protein. Taken together, we have shown for the first time that RA reduces cell viability and migration of human metastatic melanoma cells, in addition to modulates apoptosis-related gene expression. We suggest that RA may have the potential to be used in a therapeutic perspective, particularly for CM cell treatment.
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Affiliation(s)
- Gilnei Bruno da Silva
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Daiane Manica
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Alana Patrícia da Silva
- Postgraduate Program in Biochemistry, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Filomena Marafon
- Postgraduate Program in Biochemistry, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Marcelo Moreno
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil
| | - Margarete Dulce Bagatini
- Postgraduate Program in Biomedical Sciences, Federal University of Fronteira Sul, Chapecó, SC, Brazil.
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Vasconcellos Severo G, Schweiger C, Manica D, Marostica PJC. Tracheostomized children tracheal colonization and antibiotic resistance profile - A STROBE analysis. Eur Ann Otorhinolaryngol Head Neck Dis 2023; 140:71-76. [PMID: 35915024 DOI: 10.1016/j.anorl.2022.07.002] [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: 02/03/2022] [Revised: 06/14/2022] [Accepted: 07/04/2022] [Indexed: 11/03/2022]
Abstract
AIMS To verify the prevalence of Potentially pathogenic bacteria (PPB) and their antimicrobial resistance profile in tracheal aspirates of children with tracheostomy and compare it to clinical data. METHODS A cross-sectional study was conducted in patients aged 0-18 years who all underwent tracheostomy cannula change (TCC) performed by the Otolaryngology Unit at Hospital de Clínicas de Porto Alegre, Brazil, between October, 2017 and December, 2018. Patients were submitted, at the time of TCC, to a tracheal aspirate through the tracheostomy and secretion was sent to microbiological analysis and antimicrobial susceptibility testing. Clinical data were evaluated through available patients' electronic medical records. RESULTS Forty-four patients had their tracheostomy aspirate cultured and all but one presented PPB growth (97.7%). Median age was 3 years-old. Pseudomonas aeruginosa was the most prevalent bacteria (56.9%) and it was resistant to gentamycin, amikacin and cefepime in 36%, 28% and 12% of the culture tests, respectively. P. aeruginosa resistance to gentamycin and to cefepime suggested an association with the number of antibiotic classes used in the 12 months before enrollment (both p=0.04) and with 2 or more hospital admissions in the same period (p=0.03 and p=0.02, respectively). Staphylococcus aureus was isolated in 9.1% and there was no MRSA. CONCLUSION It was found a 97.7% prevalence of PPB in the cultured aspirates; the most prevalent bacterium was P. aeruginosa and there was no MRSA identification. Data suggest an association between P. aeruginosa antimicrobial resistance with previous use of antibiotic therapy.
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Affiliation(s)
- G Vasconcellos Severo
- Serviço de Otorrinolaringologia e Cirurgia de Cabeça e Pescoço, Hospital de Clínicas de Porto Alegre (HCPA), Rua Ramiro Barcelos, 2350 - Santa Cecilia, 90035-007 Porto Alegre, Rio Grande do Sul, Brazil; Programa de Pós-Graduação em Saúde da Criança e do Adolescente, Universidade Federal do Rio Grande do Sul (UFRGS), rua Ramiro Barcelos, 2400 sala 220, 90035-003 Porto Alegre, Rio Grande do Sul, Brazil.
| | - C Schweiger
- Serviço de Otorrinolaringologia e Cirurgia de Cabeça e Pescoço, Hospital de Clínicas de Porto Alegre (HCPA), Rua Ramiro Barcelos, 2350 - Santa Cecilia, 90035-007 Porto Alegre, Rio Grande do Sul, Brazil; Programa de Pós-Graduação em Saúde da Criança e do Adolescente, Universidade Federal do Rio Grande do Sul (UFRGS), rua Ramiro Barcelos, 2400 sala 220, 90035-003 Porto Alegre, Rio Grande do Sul, Brazil
| | - D Manica
- Serviço de Otorrinolaringologia e Cirurgia de Cabeça e Pescoço, Hospital de Clínicas de Porto Alegre (HCPA), Rua Ramiro Barcelos, 2350 - Santa Cecilia, 90035-007 Porto Alegre, Rio Grande do Sul, Brazil
| | - P J C Marostica
- Programa de Pós-Graduação em Saúde da Criança e do Adolescente, Universidade Federal do Rio Grande do Sul (UFRGS), rua Ramiro Barcelos, 2400 sala 220, 90035-003 Porto Alegre, Rio Grande do Sul, Brazil; Unidade de Pneumologia Pediátrica, HCPA, Rua Ramiro Barcelos, 2350 - Santa Cecilia, 90035-007, Porto Alegre, Rio Grande do Sul, Brazil
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Cavalheiro V, Manica D, Benvegnú DM. Caracterização e consumo alimentar de fontes de selênio em pacientes com Diabetes Mellitus tipo 2. ACS 2020. [DOI: 10.17696/2318-3691.27.1.2020.1599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
oxidativo (EO) em modelos experimentais de Diabetes Mellitus (DM), pois aumenta a atividade de enzimas antioxidantes. Objetivo: Caracterizar indivíduos com DM tipo 2 e verificar o consumo de alimentos fonte de selênio. Métodos: Estudo quantitativo, observacional do tipo caso-controle. Para coleta de dados foram realizadas visitas domiciliares para aplicação de uma anamnese nutricional e um questionário de frequência alimentar, bem como coleta de medidas de peso e altura. O estudo contou com 100 participantes, sendo 50 indivíduos diagnosticados com DM 2 e 50 sem diagnóstico de DM (controle). Resultados: O maior número de participantes foi de idosos. Verificou-se que o grupo DM 2 apresentava peso superior ao grupo controle. O grupo DM 2 apresentou elevada prevalência de sintomas da doença, entretanto, baixa no que se refere àscomplicações clínicas da mesma. Não houve diferença no consumo de alimentos fonte de selênioentre os grupos, sendo cebola, alho, gema de ovo, leite e brócolis os mais consumidos. Conclusão: O grupo DM 2 apresentou alta presença de sintomas da doença, porém baixa prevalência de complicações clinicas. Houve maior prevalência no consumo de alimentos que apresentam menores níveis de selênio em comparação aos alimentos com maior teor do mineral.
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Premaor MO, Paludo P, Manica D, Paludo AP, Rossatto ER, Scalco R, Furlanetto TW. Hypovitaminosis D and secondary hyperparathyroidism in resident physicians of a general hospital in southern Brazil. J Endocrinol Invest 2008; 31:991-5. [PMID: 19169055 DOI: 10.1007/bf03345637] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVES To evaluate the prevalence of hypovitaminosis D and secondary hyperparathyroidism in resident physicians of a general hospital in southern Brazil and identify associated factors. DESIGN Cross-sectional study. POPULATION Resident physicians of Hospital de Clinicas de Porto Alegre, Porto Alegre, southern Brazil. PARTICIPANTS Seventythree subjects age 26.4+/-1.9. MEASUREMENTS Serum PTH, 25- hydroxyvitamin D [25(OH)D], total calcium, phosphorus, magnesium, creatinine, and alkaline phosphatase were measured. In addition calcium, creatinine, and magnesium were measured in urine. Fractional excretion of calcium and magnesium were calculated. Calcium intake was estimated by a food intake questionnaire. RESULTS Mean serum levels of 25(OH)D were 17.9+/-8.0 ng/ml and 57.4% presented 25(OH)D below 20 ng/ml. Secondary hyperparathyroidism, defined as serum PTH > or =48 pg/ml and normal or low serum calcium, was identified in 39.7% of the individuals. Mean serum levels of magnesium were higher (p=0.02) and the fractional excretion of calcium was lower (p<0.001) in individuals with secondary hyperparathyroidism. Serum PTH levels were positively correlated with body mass index (r=0.33 and p=0.006) and serum magnesium levels (r=0.33 and p=0.02) and negatively correlated with serum 25(OH)D levels (r=-0.33 and p=0.008), estimated calcium intake (r=-0.25 and p=0.04), and fractional excretion of calcium (r=-0.34 and p=0.009). CONCLUSION Vitamin D deficiency and secondary hyperparathyroidism was very common in resident physicians. Therefore, measures to prevent this situation should be recommended.
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Affiliation(s)
- M O Premaor
- Internal Medicine Service, Hospital de Clínicas de Porto Alegre, HCPA, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
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Soares R, Vanacor R, Manica D, Dorneles LB, Resende VL, Bertoluci MC, Furlanetto TW. Thyroid volume is associated with family history of thyroid disease in pregnant women with adequate iodine intake: a cross-sectional study in southern Brazil. J Endocrinol Invest 2008; 31:614-7. [PMID: 18787379 DOI: 10.1007/bf03345612] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
UNLABELLED Maternal euthyroidism is important for fetal neural development. For this reason, adequate iodine nutrition during pregnancy is an important public health objective and should be periodically revised. The objective of this study was to measure urinary iodine (UI) excretion and the factors associated with thyroid volume (TV), in a group of healthy pregnant women in southern Brazil, to evaluate iodine nutrition. The median UI of the 147 women was 224 microg/l (P25=164 microg/l and P75=286 microg/l). Serum levels of free T4 and thyroglobulin did not correlate with UI, but there was a weak inverse correlation between serum TSH levels and UI (r=-0.200; p=0.02). TV, calculated through ultrasound in 57 women, was significantly associated with family history of thyroid diseases (p=0.002) and BMI (p=0.03), but there was no association with UI, corrected or not for creatinine, serum free T4, TSH or thyroglobulin, current or past smoking, gestational age, parity or oral contraceptive. CONCLUSIONS The healthy pregnant women studied had adequate iodine intake. In this situation, the main thyroid size determinants are probably genetic factors.
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Affiliation(s)
- R Soares
- Post-Graduation Program in Medicine: Medical Sciences, Hospital de Clínicas de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
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