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Recent Advances Regarding the Molecular Mechanisms of Triterpenic Acids: A Review (Part II). Int J Mol Sci 2022; 23:ijms23168896. [PMID: 36012159 PMCID: PMC9408012 DOI: 10.3390/ijms23168896] [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: 07/20/2022] [Revised: 08/04/2022] [Accepted: 08/08/2022] [Indexed: 12/18/2022] Open
Abstract
Triterpenic acids are a widespread class of phytocompounds which have been found to possess valuable therapeutic properties such as anticancer, anti-inflammatory, hepatoprotective, cardioprotective, antidiabetic, neuroprotective, lipolytic, antiviral, and antiparasitic effects. They are a subclass of triterpenes bearing a characteristic lipophilic structure that imprints unfavorable in vivo properties which subsequently limit their applications. The early investigation of the mechanism of action (MOA) of a drug candidate can provide valuable information regarding the possible side effects and drug interactions that may occur after administration. The current paper aimed to summarize the most recent (last 5 years) studies regarding the MOA of betulinic acid, boswellic acid, glycyrrhetinic acid, madecassic acid, moronic acid, and pomolic acid in order to provide scientists with updated and accessible material on the topic that could contribute to the development of future studies; the paper stands as the sequel of our previously published paper regarding the MOA of triterpenic acids with therapeutic value. The recent literature published on the topic has highlighted the role of triterpenic acids in several signaling pathways including PI3/AKT/mTOR, TNF-alpha/NF-kappa B, JNK-p38, HIF-α/AMPK, and Grb2/Sos/Ras/MAPK, which trigger their various biological activities.
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Mendes AKB, Sulis PM, Cavalari FC, Padilla DPR, Aragón M, Gaspar JM, Silva FRMB. 1α,25-(OH) 2 vitamin D 3 prevents insulin resistance and regulates coordinated exocytosis and insulin secretion. J Nutr Biochem 2021; 99:108864. [PMID: 34606907 DOI: 10.1016/j.jnutbio.2021.108864] [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: 11/10/2020] [Revised: 09/13/2021] [Accepted: 09/15/2021] [Indexed: 10/20/2022]
Abstract
Vitamin D3 is associated with improvements in insulin resistance and glycemia. In this study, we investigated the short-term effect of 1α,25(OH)2 Vitamin D3 (1,25-D3) and cholecalciferol (vitamin D3) on the glycemia and insulin sensitivity of control and dexamethasone-induced insulin-resistance rats. 45Ca2+ influx responses to 1,25-D3 and its role in insulin secretion were investigated in isolated pancreatic islets from control rats. In vivo, 5 d treatment with 1,25-D3 (i.p.) prevented insulin resistance in dexamethasone-treated rats. Treatment with 1,25-D3 improved the activities of hepatic enzymes, serum lipids and calcium concentrations in insulin-resistant rats. 25-D3 (o.g.) does not affect insulin resistance. In pancreatic islets, 1,25-D3 increased insulin secretion and stimulated rapid response 45Ca2+ influx. The stimulatory effect of 1,25-D3 on 45Ca2+ influx was decreased by diazoxide, apamine, thapsigargin, dantrolene, 2-APB, nifedipine, TEA, PKA, PKC, and cytoskeleton inhibitor, while it was increased by glibenclamide and N-ethylmaleimide. The stimulatory effect of 1,25-D3 on 45Ca2+ influx involves the activation of L-type VDCC, K+-ATP, K+-Ca2+, and Kv channels, which augment cytosolic calcium. These ionic changes mobilize calcium from stores and downstream activation of PKC, PKA tethering vesicle traffic and fusion at the plasma membrane for insulin secretion. This is the first study highlighting the unprecedented role of 1,25-D3 (short-term effect) in the regulation of glucose homeostasis and on prevention of insulin resistance. Furthermore, this study shows the intracellular β-cell signal transduction of 1,25-D3 through the modulation of pivotal ionic channels and proteins exhibiting a coordinated exocytosis of vesicles for insulin secretion.
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Affiliation(s)
- Ana Karla Bittencourt Mendes
- Departamento de Bioquímica, Núcleo de Bioeletricidade Celular (NUBIOCEL), Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, Florianópolis- SC, Brazil
| | - Paola Miranda Sulis
- Departamento de Bioquímica, Núcleo de Bioeletricidade Celular (NUBIOCEL), Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, Florianópolis- SC, Brazil
| | - Fernanda Carvalho Cavalari
- Departamento de Bioquímica, Núcleo de Bioeletricidade Celular (NUBIOCEL), Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, Florianópolis- SC, Brazil; Núcleo de Bioeletricidade Celular (NUBIOCEL), Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, Florianópolis- SC, Brazil
| | - Diana Patricia Rey Padilla
- Universidad Nacional de Colombia, Departamento de Farmácia, Facultad de Ciencias, Bogotá, D. C., Colombia
| | - Marcela Aragón
- Universidad Nacional de Colombia, Departamento de Farmácia, Facultad de Ciencias, Bogotá, D. C., Colombia
| | - Joana Margarida Gaspar
- Departamento de Bioquímica, Núcleo de Bioeletricidade Celular (NUBIOCEL), Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, Florianópolis- SC, Brazil
| | - Fátima Regina Mena Barreto Silva
- Departamento de Bioquímica, Núcleo de Bioeletricidade Celular (NUBIOCEL), Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, Florianópolis- SC, Brazil; Núcleo de Bioeletricidade Celular (NUBIOCEL), Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Universitário, Florianópolis- SC, Brazil.
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Jafari Khataylou Y, Ahmadi Afshar S, Mirzakhani N. Betulinic acid reduces the complications of autoimmune diabetes on the body and kidney through effecting on inflammatory cytokines in C57BL/6 mice. VETERINARY RESEARCH FORUM : AN INTERNATIONAL QUARTERLY JOURNAL 2021; 12:203-210. [PMID: 34345387 PMCID: PMC8328255 DOI: 10.30466/vrf.2019.101178.2409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Accepted: 06/08/2019] [Indexed: 11/09/2022]
Abstract
Autoimmune diabetes is one of the most common metabolic diseases with increasing prevalence in the past decades in which pancreatic Langerhans β cells are destroyed and lead to lack of insulin due to increased blood sugar. One of the consequences of diabetes is glomerular disease of the kidney, also called diabetes nephropathy. Different studies have been carried out on the effects of triterpenoids and their medicinal effects on diabetes mellitus. betulinic acid, a pentacyclic triterpenoid of Terpenes, is found in bushes and trees. Its medical effects are also approved by many studies. In this survey, we studied the effect of betulinic acid on diabetic inbred C57BL/6 male mice. They were randomly divided to three groups. Group A: Consisted of healthy mice which received citrate buffer. Group B: Diabetic mice without any treatment and group C: Treated diabetic mice with betulinic acid. The level of blood insulin level, fasting blood glucose, C-peptide, TNF-α, IFN-γ, and IL-1 cytokines were measured and pathologic studies of the kidney were performed. The results showed that betulinic acid could increase insulin and C-peptide, and decrease fasting blood sugar, kidney lesions and TNF-α, IFN-γ, IL-1 in the treated groups. The differences were significant except for IL-1. Betulinic acid through reduction of inflammatory cytokines could have positive effects on inflammatory and autoimmune disease including autoimmune diabetes.
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Affiliation(s)
- Yaser Jafari Khataylou
- Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Somayyeh Ahmadi Afshar
- Department of Microbiology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
| | - Navideh Mirzakhani
- Department of Pathobiology, Faculty of Veterinary Medicine, Amol University of Special Modern Technologies, Amol, Iran
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Günther A, Makuch E, Nowak A, Duchnik W, Kucharski Ł, Pełech R, Klimowicz A. Enhancement of the Antioxidant and Skin Permeation Properties of Betulin and Its Derivatives. Molecules 2021; 26:3435. [PMID: 34198892 PMCID: PMC8201114 DOI: 10.3390/molecules26113435] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 05/31/2021] [Accepted: 06/01/2021] [Indexed: 12/31/2022] Open
Abstract
This study investigated the antioxidant activity DPPH, ABTS, and Folin-Ciocalteu methods of betulin (compound 1) and its derivatives (compounds 2-11). Skin permeability and accumulation associated with compounds 1 and 8 were also examined. Identification of the obtained products (compound 2-11) and betulin isolated from plant material was based on the analysis of 1H- NMR and 13C-NMR spectra. The partition coefficient was calculated to determine the lipophilicity of all compounds. In the next stage, the penetration through pig skin and its accumulation in the skin were evaluated of ethanol vehicles containing compound 8 (at a concentration of 0.226 mmol/dm3), which was characterized by the highest antioxidant activity. For comparison, penetration studies of betulin itself were also carried out. Poor solubility and the bioavailability of pure compounds are major constraints in combination therapy. However, we observed that the ethanol vehicle was an enhancer of skin permeation for both the initial betulin and compound 8. The betulin 8 derivative showed increased permeability through biological membranes compared to the parent betulin. The paper presents the transformation of polycyclic compounds to produce novel derivatives with marked antioxidant activities and as valuable intermediates for the pharmaceutical industry. Moreover, the compounds contained in the vehicles, due to their mechanism of action, can have a beneficial effect on the balance between oxidants and antioxidants in the body, minimizing the effects of oxidative stress. The results of this work may contribute to knowledge regarding vehicles with antioxidant potential. The use of vehicles for this type of research is therefore justified.
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Affiliation(s)
- Andrzej Günther
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Szczecin, PL-70322 Szczecin, Poland; (E.M.); (R.P.)
| | - Edyta Makuch
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Szczecin, PL-70322 Szczecin, Poland; (E.M.); (R.P.)
| | - Anna Nowak
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, PL-70111 Szczecin, Poland; (A.N.); (W.D.); (Ł.K.); (A.K.)
| | - Wiktoria Duchnik
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, PL-70111 Szczecin, Poland; (A.N.); (W.D.); (Ł.K.); (A.K.)
| | - Łukasz Kucharski
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, PL-70111 Szczecin, Poland; (A.N.); (W.D.); (Ł.K.); (A.K.)
| | - Robert Pełech
- Department of Chemical Organic Technology and Polymeric Materials, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Szczecin, PL-70322 Szczecin, Poland; (E.M.); (R.P.)
| | - Adam Klimowicz
- Department of Cosmetic and Pharmaceutical Chemistry, Pomeranian Medical University in Szczecin, PL-70111 Szczecin, Poland; (A.N.); (W.D.); (Ł.K.); (A.K.)
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Lugiņina J, Linden M, Bazulis M, Kumpiņš V, Mishnev A, Popov SA, Golubeva TS, Waldvogel SR, Shults EE, Turks M. Electrosynthesis of Stable Betulin‐Derived Nitrile Oxides and their Application in Synthesis of Cytostatic Lupane‐Type Triterpenoid‐Isoxazole Conjugates. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100293] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Jevgeņija Lugiņina
- Faculty of Materials Science and Applied Chemistry RigaTechnical University P. Valdena Str.3 Riga 1007 Latvia
| | - Martin Linden
- Department of Chemistry Johannes Gutenberg University Mainz Duesbergweg 10–14 Mainz 55128 Germany
| | - Māris Bazulis
- Faculty of Materials Science and Applied Chemistry RigaTechnical University P. Valdena Str.3 Riga 1007 Latvia
| | - Viktors Kumpiņš
- Faculty of Materials Science and Applied Chemistry RigaTechnical University P. Valdena Str.3 Riga 1007 Latvia
| | - Anatoly Mishnev
- Latvian Institute of Organic Synthesis Aizkraukles Str. 21 Riga 1006 Latvia
| | - Sergey A. Popov
- Novosibirsk Institute of Organic Chemistry Academician Lavrentjev Ave. 9 Novosibirsk 630090 Russia
| | - Tatiana S. Golubeva
- The Federal Research Center Institute of Cytology and Genetics Acad. Lavrentyev Ave., 10 Novosibirsk 630090 Russia
| | - Siegfried R. Waldvogel
- Department of Chemistry Johannes Gutenberg University Mainz Duesbergweg 10–14 Mainz 55128 Germany
| | - Elvira E. Shults
- Novosibirsk Institute of Organic Chemistry Academician Lavrentjev Ave. 9 Novosibirsk 630090 Russia
| | - Māris Turks
- Faculty of Materials Science and Applied Chemistry RigaTechnical University P. Valdena Str.3 Riga 1007 Latvia
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Salazar JR, Loza-Mejía MA, Soto-Cabrera D. Chemistry, Biological Activities and In Silico Bioprospection of Sterols and Triterpenes from Mexican Columnar Cactaceae. Molecules 2020; 25:molecules25071649. [PMID: 32260146 PMCID: PMC7180492 DOI: 10.3390/molecules25071649] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 03/30/2020] [Accepted: 03/30/2020] [Indexed: 12/21/2022] Open
Abstract
The Cactaceae family is an important source of triterpenes and sterols. The wide uses of those plants include food, gathering, medicinal, and live fences. Several studies have led to the isolation and characterization of many bioactive compounds. This review is focused on the chemistry and biological properties of sterols and triterpenes isolated mainly from some species with columnar and arborescent growth forms of Mexican Cactaceae. Regarding the biological properties of those compounds, apart from a few cases, their molecular mechanisms displayed are not still fully understand. To contribute to the above, computational chemistry tools have given a boost to traditional methods used in natural products research, allowing a more comprehensive exploration of chemistry and biological activities of isolated compounds and extracts. From this information an in silico bioprospection was carried out. The results suggest that sterols and triterpenoids present in Cactaceae have interesting substitution patterns that allow them to interact with some bio targets related to inflammation, metabolic diseases, and neurodegenerative processes. Thus, they should be considered as attractive leads for the development of drugs for the management of chronic degenerative diseases.
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Affiliation(s)
- Juan Rodrigo Salazar
- Correspondence: (J.R.S.); (M.A.L.-M.); Tel.: +52-55-5278-9500 (J.R.S. & M.A.L.-M.)
| | - Marco A. Loza-Mejía
- Correspondence: (J.R.S.); (M.A.L.-M.); Tel.: +52-55-5278-9500 (J.R.S. & M.A.L.-M.)
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Amiri S, Dastghaib S, Ahmadi M, Mehrbod P, Khadem F, Behrouj H, Aghanoori MR, Machaj F, Ghamsari M, Rosik J, Hudecki A, Afkhami A, Hashemi M, Los MJ, Mokarram P, Madrakian T, Ghavami S. Betulin and its derivatives as novel compounds with different pharmacological effects. Biotechnol Adv 2019; 38:107409. [PMID: 31220568 DOI: 10.1016/j.biotechadv.2019.06.008] [Citation(s) in RCA: 118] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Revised: 05/30/2019] [Accepted: 06/13/2019] [Indexed: 02/07/2023]
Abstract
Betulin (B) and Betulinic acid (BA) are natural pentacyclic lupane-structure triterpenoids which possess a wide range of pharmacological activities. Recent evidence indicates that B and BA have several properties useful for the treatment of metabolic disorders, infectious diseases, cardiovascular disorders, and neurological disorders. In the current review, we discuss B and BA structures and derivatives and then comprehensively explain their pharmacological effects in relation to various diseases. We also explain antiviral, antibacterial and anti-cancer effects of B and BA. Finally, we discuss the delivery methods, in which these compounds most effectively target different systems.
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Affiliation(s)
- Shayan Amiri
- Department of Human Anatomy and Cell Science, Rady College of Medicine, Max Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Sanaz Dastghaib
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mazaher Ahmadi
- Department of Analytical Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran
| | - Parvaneh Mehrbod
- Influenza and Respiratory Viruses Department, Pasteur Institute of IRAN, Tehran, Iran
| | - Forough Khadem
- Department of Immunology, Rady College of Medicine, Max Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Hamid Behrouj
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohamad-Reza Aghanoori
- Division of Neurodegenerative Disorders, St Boniface Hospital Albrechtsen Research Centre, Department of Pharmacology and Therapeutics, University of Manitoba, Winnipeg, MB, Canada
| | - Filip Machaj
- Department of Pathology, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-344 Szczecin, Poland
| | - Mahdi Ghamsari
- Department of Analytical Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran
| | - Jakub Rosik
- Department of Pathology, Pomeranian Medical University, ul. Unii Lubelskiej 1, 71-344 Szczecin, Poland
| | - Andrzej Hudecki
- Institue of Non-Ferrous Metals, ul. Sowińskiego 5, 44-100 Gliwice, Poland
| | - Abbas Afkhami
- Department of Analytical Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran
| | - Mohammad Hashemi
- Department of Clinical Biochemistry, Zahedan University of Medical Science, Zahedan, Iran
| | - Marek J Los
- Biotechnology Center, Silesian University of Technology, ul Bolesława Krzywoustego 8, Gliwice, Poland; Linkocare Life Sciences AB, Teknikringen 10, Plan 3, 583 30 Linköping, Sweden
| | - Pooneh Mokarram
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Tayyebeh Madrakian
- Department of Analytical Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran
| | - Saeid Ghavami
- Department of Human Anatomy and Cell Science, Rady College of Medicine, Max Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada; Biology of Breathing Theme, Children Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, Canada; Health Policy Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran; Research Institute of Oncology and Hematology, CancerCare Manitoba, University of Manitoba, Winnipeg, Canada.
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Rey D, Miranda Sulis P, Alves Fernandes T, Gonçalves R, Silva Frederico MJ, Costa GM, Aragon M, Ospina LF, Mena Barreto Silva FR. Astragalin augments basal calcium influx and insulin secretion in rat pancreatic islets. Cell Calcium 2019; 80:56-62. [PMID: 30965223 DOI: 10.1016/j.ceca.2019.03.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 03/18/2019] [Accepted: 03/27/2019] [Indexed: 12/13/2022]
Abstract
Astragalin is a flavonol glycoside with several biological activities, including antidiabetic properties. The objective of this study was to investigate the effects of astragalin on glycaemia and insulin secretion, in vivo, and on calcium influx and insulin secretion in isolated rat pancreatic islets, ex vivo. Astragalin (1 and 10 mg / kg) was administered by oral gavage to fasted Wistar rats and serum glucose and plasma insulin were measured. Isolated pancreatic islets were used to measure basal insulin secretion and calcium influx. Astragalin (10 mg/ kg) decreased glycaemia and increased insulin secretion significantly at 15-180 min, respectively, in the glucose tolerance test. In isolated pancreatic cells, astragalin (100 μM) stimulated calcium influx through a mechanism involving ATP-dependent potassium channels, L-type voltage-dependent calcium channels, the sarcoendoplasmic reticulum calcium transport ATPase (SERCA), PKC and PKA. These findings highlight the dietary coadjuvant, astragalin, as a potential insulin secretagogue that may contribute to glucose homeostasis.
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Affiliation(s)
- Diana Rey
- Universidad Nacional de Colombia, Departamento de Farmácia, Facultad de Ciencias, Cra. 30 No. 45-03, Postal Code 111321, Bogotá, D. C., Colombia; Universidade Federal de Santa Catarina, Departamento de Bioquímica - Centro de Ciências Biológicas, Campus Universitário, BairroTrindade, Cx. Postal 5069, CEP: 88040-970, Florianópolis, SC, Brazil
| | - Paola Miranda Sulis
- Universidade Federal de Santa Catarina, Departamento de Bioquímica - Centro de Ciências Biológicas, Campus Universitário, BairroTrindade, Cx. Postal 5069, CEP: 88040-970, Florianópolis, SC, Brazil
| | - Thaís Alves Fernandes
- Universidade Federal de Santa Catarina, Departamento de Bioquímica - Centro de Ciências Biológicas, Campus Universitário, BairroTrindade, Cx. Postal 5069, CEP: 88040-970, Florianópolis, SC, Brazil
| | - Renata Gonçalves
- Universidade Federal de Santa Catarina, Departamento de Bioquímica - Centro de Ciências Biológicas, Campus Universitário, BairroTrindade, Cx. Postal 5069, CEP: 88040-970, Florianópolis, SC, Brazil
| | - Marisa Jádna Silva Frederico
- Universidade Federal de Santa Catarina, Departamento de Bioquímica - Centro de Ciências Biológicas, Campus Universitário, BairroTrindade, Cx. Postal 5069, CEP: 88040-970, Florianópolis, SC, Brazil
| | - Geison M Costa
- Pontificia Universidad Javeriana, Departamento de Química, Facultad de Ciencias, Carrera 7 No. 43-82, Edificio Carlos Ortiz (52), Oficina 617, Postal Code 110231, Bogotá, D. C., Colombia
| | - Marcela Aragon
- Universidad Nacional de Colombia, Departamento de Farmácia, Facultad de Ciencias, Cra. 30 No. 45-03, Postal Code 111321, Bogotá, D. C., Colombia
| | - Luís Fernando Ospina
- Universidad Nacional de Colombia, Departamento de Farmácia, Facultad de Ciencias, Cra. 30 No. 45-03, Postal Code 111321, Bogotá, D. C., Colombia
| | - Fátima Regina Mena Barreto Silva
- Universidade Federal de Santa Catarina, Departamento de Bioquímica - Centro de Ciências Biológicas, Campus Universitário, BairroTrindade, Cx. Postal 5069, CEP: 88040-970, Florianópolis, SC, Brazil.
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