Overview
Availability
- Dr Roger Bitencourt Varela is:
- Available for supervision
Qualifications
- Bachelor of Biological Sciences, Universidade do Extremo Sul Catarinense (UNESC)
- Masters (Research) of Health Sciences, Universidade do Extremo Sul Catarinense (UNESC)
- Doctoral Diploma of Health Sciences, Universidade do Extremo Sul Catarinense (UNESC)
Works
Search Professor Roger Bitencourt Varela’s works on UQ eSpace
2015
Journal Article
Effects of chronic administration of fenproporex on cognitive and non-cognitive behaviors
Gonçalves, Cinara L., Furlanetto, Camila B., Valvassori, Samira S., Bavaresco, Daniela V., Varela, Roger B., Budni, Josiane, Quevedo, João and Streck, Emilio L. (2015). Effects of chronic administration of fenproporex on cognitive and non-cognitive behaviors. Metabolic Brain Disease, 30 (2), 583-588. doi: 10.1007/s11011-014-9617-1
2015
Journal Article
Sodium butyrate and mood stabilizers block ouabain-induced hyperlocomotion and increase BDNF, NGF and GDNF levels in brain of Wistar rats
Varela, Roger B., Valvassori, Samira S., Lopes-Borges, Jéssica, Mariot, Edemilson, Dal-Pont, Gustavo C., Amboni, Rafaela T., Bianchini, Guilherme and Quevedo, João (2015). Sodium butyrate and mood stabilizers block ouabain-induced hyperlocomotion and increase BDNF, NGF and GDNF levels in brain of Wistar rats. Journal of Psychiatric Research, 61, 114-121. doi: 10.1016/j.jpsychires.2014.11.003
2014
Journal Article
Histone deacetylase inhibitors reverse manic-like behaviors and protect the rat brain from energetic metabolic alterations induced by ouabain
Lopes-Borges, Jéssica, Valvassori, Samira S., Varela, Roger B., Tonin, Paula T., Vieira, Julia S., Gonçalves, Cinara L., Streck, Emilio L. and Quevedo, João (2014). Histone deacetylase inhibitors reverse manic-like behaviors and protect the rat brain from energetic metabolic alterations induced by ouabain. Pharmacology Biochemistry and Behavior, 128, 89-95. doi: 10.1016/j.pbb.2014.11.014
2014
Journal Article
Effects of ouabain on cytokine/chemokine levels in an animal model of mania
Tonin, Paula T., Valvassori, Samira S., Lopes-Borges, Jéssica, Mariot, Edemilson, Varela, Roger B., Teixeira, AntÔnio Lucio and Quevedo, João (2014). Effects of ouabain on cytokine/chemokine levels in an animal model of mania. Journal of Neuroimmunology, 276 (1-2), 236-239. doi: 10.1016/j.jneuroim.2014.09.007
2014
Journal Article
Evaluation of Na+, K+-ATPase activity in the brain of young rats after acute administration of fenproporex
Rezin, Gislaine T., Scaini, Giselli, Gonçalves, Cinara L., Ferreira, Gabriela K., Cardoso, Mariane R., Ferreira, Andréa G.K., Cunha, Maira J., Schmitz, Felipe, Varela, Roger B., Quevedo, João, Wyse, Angela T.S. and Streck, Emilio Luiz (2014). Evaluation of Na+, K+-ATPase activity in the brain of young rats after acute administration of fenproporex. Revista Brasileira de Psiquiatria, 36 (2), 138-142. doi: 10.1590/1516-4446-2012-0956
2014
Journal Article
Sodium butyrate functions as an antidepressant and improves cognition with enhanced neurotrophic expression in models of maternal deprivation and chronic mild stress
Valvassori, Samira Silva, Varela, Roger Bitencourt, Arent, Camila Orlandi, Dal-Pont, Gustavo Colombo, Bobsin, Tamara Sarate, Budni, Josiane, Réus, Gislaine Zilli and Quevedo, João (2014). Sodium butyrate functions as an antidepressant and improves cognition with enhanced neurotrophic expression in models of maternal deprivation and chronic mild stress. Current Neurovascular Research, 11 (4), 359-366. doi: 10.2174/1567202611666140829162158
2014
Journal Article
Fenproporex increases locomotor activity and alters energy metabolism, and mood stabilizers reverse these changes: A proposal for a new animal model of mania
Rezin, Gislaine T., Furlanetto, Camila B., Scaini, Giselli, Valvassori, Samira S., Gonçalves, Cinara L., Ferreira, Gabriela K., Jeremias, Isabela C., Resende, Wilson R., Cardoso, Mariane R., Varela, Roger B., Quevedo, João and Streck, Emilio L. (2014). Fenproporex increases locomotor activity and alters energy metabolism, and mood stabilizers reverse these changes: A proposal for a new animal model of mania. Molecular Neurobiology, 49 (2), 877-892. doi: 10.1007/s12035-013-8566-8
2014
Journal Article
Modafinil effects on behavior and oxidative damage parameters in brain of wistar rats
Ornell, Felipe, Valvassori, Samira S., Steckert, Amanda V., Deroza, Pedro F., Resende, Wilson R., Varela, Roger B. and Quevedo, João (2014). Modafinil effects on behavior and oxidative damage parameters in brain of wistar rats. Behavioural Neurology, 2014 917246, 1-7. doi: 10.1155/2014/917246
2014
Journal Article
Omega-3 fatty acids alter behavioral and oxidative stress parameters in animals subjected to fenproporex administration
Model, Camila S., Gomes, Lara M., Scaini, Giselli, Ferreira, Gabriela K., Gonçalves, Cinara L., Rezin, Gislaine T., Steckert, Amanda V., Valvassori, Samira S., Varela, Roger B., Quevedo, João and Streck, Emilio L. (2014). Omega-3 fatty acids alter behavioral and oxidative stress parameters in animals subjected to fenproporex administration. Metabolic Brain Disease, 29 (1), 185-192. doi: 10.1007/s11011-013-9473-4
2013
Journal Article
Sodium butyrate reverses the inhibition of Krebs cycle enzymes induced by amphetamine in the rat brain
Valvassori, Samira S., Calixto, Karen V., Budni, Josiane, Resende, Wilson R., Varela, Roger B., De Freitas, Karolina V., Gonçalves, Cinara L., Streck, Emilio L. and Quevedo, João (2013). Sodium butyrate reverses the inhibition of Krebs cycle enzymes induced by amphetamine in the rat brain. Journal of Neural Transmission, 120 (12), 1737-1742. doi: 10.1007/s00702-013-1056-3
2013
Journal Article
Contributions of animal models to the study of mood disorders
Valvassori, Samira S., Budni, Josiane, Varela, Roger B. and Quevedo, João (2013). Contributions of animal models to the study of mood disorders. Revista Brasileira de Psiquiatria, 35 (SUPPL.2), S121-S131. doi: 10.1590/1516-4446-2013-1168
2013
Journal Article
Effects of sodium butyrate in animal models of mania and depression: Implications as a new mood stabilizer
Resende, Wilson R., Valvassori, Samira S., Réus, Gislaine Z., Varela, Roger B., Arent, Camila O., Ribeiro, Karine F., Bavaresco, Daniela V., Andersen, Monica L., Zugno, Alexandra I. and Quevedoa, Joaõ (2013). Effects of sodium butyrate in animal models of mania and depression: Implications as a new mood stabilizer. Behavioural Pharmacology, 24 (7), 569-579. doi: 10.1097/FBP.0b013e32836546fc
2013
Journal Article
Evaluation of acetylcholinesterase in an animal model of mania induced by d-amphetamine
Varela, Roger B., Valvassori, Samira S., Lopes-Borges, Jéssica, Fraga, Daiane B., Resende, Wilson R., Arent, Camila O., Zugno, Alexandra I. and Quevedo, João (2013). Evaluation of acetylcholinesterase in an animal model of mania induced by d-amphetamine. Psychiatry Research, 209 (2), 229-234. doi: 10.1016/j.psychres.2012.11.021
2013
Journal Article
Effects of sodium butyrate on oxidative stress and behavioral changes induced by administration of d-AMPH
Steckert, Amanda V., Valvassori, Samira S., Varela, Roger B., Mina, Francielle, Resende, Wilson R., Bavaresco, Daniela V., Ornell, Felipe, Dal-Pizzol, Felipe and Quevedo, João (2013). Effects of sodium butyrate on oxidative stress and behavioral changes induced by administration of d-AMPH. Neurochemistry International, 62 (4), 425-432. doi: 10.1016/j.neuint.2013.02.001
2013
Journal Article
Lithium and valproate modulate energy metabolism in an animal model of mania induced by methamphetamine
Feier, Gustavo, Valvassori, Samira S., Varela, Roger B., Resende, Wilson R., Bavaresco, Daniela V., Morais, Meline O., Scaini, Giselli, Andersen, Monica L., Streck, Emilio L. and Quevedo, João (2013). Lithium and valproate modulate energy metabolism in an animal model of mania induced by methamphetamine. Pharmacology Biochemistry and Behavior, 103 (3), 589-596. doi: 10.1016/j.pbb.2012.09.010
2013
Journal Article
Acute and chronic administration of cannabidiol increases mitochondrial complex and creatine kinase activity in the rat brain
Valvassori, Samira S., Bavaresco, Daniela V., Scaini, Giselli, Varela, Roger B., Streck, Emilio L., Chagas, Marcos H., Hallak, Jaime E. C., Zuardi, Antonio W., Crippa, José A. and Quevedo, João (2013). Acute and chronic administration of cannabidiol increases mitochondrial complex and creatine kinase activity in the rat brain. Revista Brasileira de Psiquiatria, 35 (4), 380-386. doi: 10.1590/1516-4446-2012-0886
2012
Journal Article
Lithium and tamoxifen modulate cellular plasticity cascades in animal model of mania
Cechinel-Recco, Kelen, Valvassori, Samira S, Varela, Roger B, Resende, Wilson R, Arent, Camila O., Vitto, Marcelo F., Luz, Gabrielle, De Souza, Claudio T. and Quevedo, João (2012). Lithium and tamoxifen modulate cellular plasticity cascades in animal model of mania. Journal of Psychopharmacology, 26 (12), 1594-1604. doi: 10.1177/0269881112463124
2012
Journal Article
Behavioral changes and brain energy metabolism dysfunction in rats treated with methamphetamine or dextroamphetamine
Feier, Gustavo, Valvassori, Samira S., Lopes-Borges, Jéssica, Varela, Roger B., Bavaresco, Daniela V., Scaini, Giselli, Morais, Meline O., Andersen, Monica L., Streck, Emilio L. and Quevedo, João (2012). Behavioral changes and brain energy metabolism dysfunction in rats treated with methamphetamine or dextroamphetamine. Neuroscience Letters, 530 (1), 75-79. doi: 10.1016/j.neulet.2012.09.039
2012
Journal Article
Effects of lithium and valproate on oxidative stress and behavioral changes induced by administration of m-AMPH
da-Rosa, Dayane D., Valvassori, Samira S., Steckert, Amanda V., Ornell, Felipe, Ferreira, Camila L., Lopes-Borges, Jéssica, Varela, Roger B., Dal-Pizzol, Felipe, Andersen, Monica L. and Quevedo, João (2012). Effects of lithium and valproate on oxidative stress and behavioral changes induced by administration of m-AMPH. Psychiatry Research, 198 (3), 521-526. doi: 10.1016/j.psychres.2012.01.019
2012
Journal Article
Differences between dextroamphetamine and methamphetamine: Behavioral changes and oxidative damage in brain of Wistar rats
Da-Rosa, Dayane D., Valvassori, Samira S., Steckert, Amanda V., Arent, Camila O., Ferreira, Camila L., Lopes-Borges, Jéssica, Varela, Roger B., Mariot, Edemilson, Dal-Pizzol, Felipe, Andersen, Monica L. and Quevedo, João (2012). Differences between dextroamphetamine and methamphetamine: Behavioral changes and oxidative damage in brain of Wistar rats. Journal of Neural Transmission, 119 (1), 31-38. doi: 10.1007/s00702-011-0691-9
Supervision
Availability
- Dr Roger Bitencourt Varela is:
- Available for supervision
Looking for a supervisor? Read our advice on how to choose a supervisor.
Supervision history
Current supervision
-
Doctor Philosophy
Prefrontal Mechanisms Regulating Striatal Dopamine During Persistent Effort
Associate Advisor
Other advisors: Associate Professor Susannah Tye
Completed supervision
-
2026
Doctor Philosophy
Circadian mechanisms of mood regulation
Associate Advisor
Other advisors: Associate Professor Susannah Tye
Media
Enquiries
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