Zobrazeno 1 - 10
of 318
pro vyhledávání: '"LETÍCIA V. COSTA-LOTUFO"'
Autor:
Henrique Roman-Ramos, Álvaro R. B. Prieto-da-Silva, Humberto Dellê, Rafael S. Floriano, Lourdes Dias, Stephen Hyslop, Raphael Schezaro-Ramos, Denis Servent, Gilles Mourier, Jéssica Lopes de Oliveira, Douglas Edgard Lemes, Letícia V. Costa-Lotufo, Jane S. Oliveira, Milene Cristina Menezes, Regina P. Markus, Paulo Lee Ho
Publikováno v:
Toxins, Vol 16, Iss 4, p 164 (2024)
Coralsnakes (Micrurus spp.) are the only elapids found throughout the Americas. They are recognized for their highly neurotoxic venom, which is comprised of a wide variety of toxins, including the stable, low-mass toxins known as three-finger toxins
Externí odkaz:
https://doaj.org/article/fd3e0d560549473e91b837667bb67b21
Autor:
Fabiana L. Silva, Raquel V.S. Silva, Paola C. Branco, Letícia V. Costa-Lotufo, Cynthia Murakami, Maria C.M. Young, Débora A. Azevedo, Paulo R.H. Moreno
Publikováno v:
Arabian Journal of Chemistry, Vol 13, Iss 4, Pp 4926-4935 (2020)
Cinnamomum stenophyllum (Meisn.) Vattimo-Gil (Lauraceae) is a native and vulnerable Brazilian species restricted to the Atlantic Forest. The leaf essential oil obtained by hydrodistillation was characterized for the first time by two-dimensional gas
Externí odkaz:
https://doaj.org/article/c8088bb5e8044c83804cf57890b82cb8
Autor:
THAYSSA S.F. FAGUNDES, ARTHUR L. MACEDO, DHIEGO B. RIGATO, BRUNO S. DO AMARAL, PAULA CHRISTINE JIMENEZ, LETÍCIA V. COSTA-LOTUFO, RENATA F.A. PEREIRA, FÁBIO AGUIAR-ALVES, ANGÉLICA R. SOARES, THATYANA R.A. VASCONCELOS, QUEZIA B. CASS, ALESSANDRA L. VALVERDE
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 93, Iss 4 (2021)
Abstract The extensive marine biodiversity has proved to be a promising source of substances with biomedical potential. In this study, the cytotoxicity of the Brazilian octocoral Phyllogorgia dilatata (Gorgoniidae) was evaluated against two tumor cel
Externí odkaz:
https://doaj.org/article/a9caa9e2f024417e81eb0373cf514ae3
Autor:
Anelize Bauermeister, Karen Velasco-Alzate, Tiago Dias, Helena Macedo, Elthon G. Ferreira, Paula C. Jimenez, Tito M. C. Lotufo, Norberto P. Lopes, Susana P. Gaudêncio, Letícia V. Costa-Lotufo
Publikováno v:
Frontiers in Microbiology, Vol 9 (2018)
Salinispora (Micromonosporaceae) is an obligate marine bacterium genus consisting of three species that share over 99% 16S rRNA identity. The genome and biosynthetic pathways of the members of this genus have been widely investigated due to their pro
Externí odkaz:
https://doaj.org/article/2dfd3c069d214ff6ae48020e308bc92d
Autor:
MAURICIO M. VICTOR, JORGE M. DAVID, MARIA C.K. SAKUKUMA, LETÍCIA V. COSTA-LOTUFO, ANDREA F. MOURA, ANA J. ARAÚJO
Publikováno v:
Anais da Academia Brasileira de Ciências, Iss 0 (2017)
ABSTRACT Natural steroids and triterpenes such as b-sitosterol, stigmasterol, lupeol, ursolic and betulinic acids were transformed into its hexanoic and oleic esters, to evaluate the influence of chemical modification towards the cytotoxic activities
Externí odkaz:
https://doaj.org/article/b870eed8be064d6faa62ad026b49e805
Autor:
Daniel P. Bezerra, Cláudia Pessoa, Manoel O. Moraes, Letícia V. Costa-Lotufo, Dayana Rubio Gouvea, Valquíria A. Polisel Jabor, Norberto Peporine Lopes, Keyller Bastos Borges, Mary Anne S. Lima, Edilberto R. Silveira
Publikováno v:
Química Nova, Vol 35, Iss 3, Pp 460-465 (2012)
Piplartine (PPTN) is an alkaloid amide found in Piper species that presents different activities. PPTN determination in rat plasma is necessary to better understand its biological effects. The aim of this study was to develop a sensitive LC-MS/MS met
Externí odkaz:
https://doaj.org/article/9f0da1c7b2474982a6f2e7a34da518c9
Autor:
Paulo Michel P. Ferreira, Davi F. Farias, Martônio P. Viana, Terezinha M. Souza, Ilka M. Vasconcelos, Bruno M. Soares, Cláudia Pessoa, Letícia V. Costa-Lotufo, Manoel O. Moraes, Ana F.U. Carvalho
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 83, Iss 3, Pp 1045-1058 (2011)
This study assessed the antiproliferative and cytotoxic potential against tumor lines of ethanolic seed extracts of 21 plant species belonging to different families from Northeastern Brazil. In addition, some underlying mechanisms involved in this cy
Externí odkaz:
https://doaj.org/article/4f5621d16d104329a1ad628c46a08ae6
Autor:
Hemerson I.F. Magalhães, Paulo M.P. Ferreira, Eraldo S. Moura, Márcia R. Torres, Ana P.N.N. Alves, Otília D.L. Pessoa, Letícia V. Costa-Lotufo, Manoel O. Moraes, Cláudia Pessoa
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 82, Iss 2, Pp 407-416 (2010)
The cytotoxic potential of stem organic extracts from Calotropis procera (Asclepiadaceae) was firstly evaluated against cancer cell lines by MTT assay. Subsequently, samples considered cytotoxic were tested for antimitotic activity on sea urchin egg
Externí odkaz:
https://doaj.org/article/8de2b8ccfde94228932cd92d6b7da197
Autor:
Cláudia Pessoa, Telma L.G. Lemos, Otília D.L. Pessoa, Manoel O. Moraes, Denissa Vasconcellos, Letícia V. Costa-Lotufo, Albert Leyva
Publikováno v:
ARKIVOC, Vol 2004, Iss 6, Pp 89-94 (2004)
Externí odkaz:
https://doaj.org/article/02e035a92efe4dc98c43af385ff759ed
Autor:
Luis Carlos Chitiva, Paula Rezende-Teixeira, Tiago F. Leão, Hair Santiago Lozano-Puentes, Ximena Londoño, Lucía Ana Díaz-Ariza, Leticia V. Costa-Lotufo, Juliet A. Prieto-Rodríguez, Geison M. Costa, Ian Castro-Gamboa
Publikováno v:
ACS Omega, Vol 9, Iss 35, Pp 36939-36960 (2024)
Externí odkaz:
https://doaj.org/article/43d21f0f671848efa07dcc3bc56c8988