Search Results - "Pessoa, Otília Deusdênia. L."

Cytotoxic Plakortides from the Brazilian Marine Sponge Plakortis angulospiculatus by Santos, Evelyne A, Quintela, Amanda L, Ferreira, Elthon G, Sousa, Thiciana S, Pinto, Francisco das Chagas L, Hajdu, Eduardo, Carvalho, Mariana S, Salani, Sula, Rocha, Danilo D, Wilke, Diego V, Torres, Maria da Conceição M, Jimenez, Paula C, Silveira, Edilberto R, La Clair, James J, Pessoa, Otília Deusdênia L, Costa-Lotufo, Letícia V

“…Three new plakortides, 7,8-dihydroplakortide E (1), 2, and 10, along with known natural products 3, 4, spongosoritin A (5), 6–8, and plakortide P (9), were…”
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In vivo growth inhibition of sarcoma 180 by piperlonguminine, an alkaloid amide from the Piper species by Bezerra, Daniel P., Pessoa, Cláudia, Moraes, Manoel Odorico de, Alencar, Nylane M. N. de, Mesquita, Rodney O., Lima, Michael W., Alves, Ana Paula N. N., Pessoa, Otília Deusdênia L., Chaves, João Henrique, Silveira, Edilberto R., Costa-Lotufo, Letícia V.

“…Many authors have already emphasized that phytochemicals from spices have biological applications. Piperlonguminine is a known alkaloid amide from peppers,…”
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Antiophidic Solanidane Steroidal Alkaloids from Solanum campaniforme by Torres, Maria Conceição M, Pinto, Francisco das Chagas L, Braz-Filho, Raimundo, Silveira, Edilberto R, Pessoa, Otília Deusdênia L, Jorge, Roberta Jeane Bezerra, Ximenes, Rafael Matos, Monteiro, Helena Serra Azul, Evangelista, Janaina Serra Azul Monteiro, Diz-Filho, Eduardo B. S, Toyama, Marcos Hikari

“…Three new solanidane alkaloids bearing a 22,23-epoxy ring (1–3) and four known compounds were isolated from leaves of Solanum campaniforme. The structures were…”
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Survivin modulation in the antimelanoma activity of prodiginines by Branco, Paola C., Pontes, Cristine A., Rezende-Teixeira, Paula, Amengual-Rigo, Pep, Alves-Fernandes, Débora K., Maria-Engler, Silvya Stuchi, da Silva, Alison B., Pessoa, Otília Deusdênia L., Jimenez, Paula C., Mollasalehi, Niloufar, Chapman, Eli, Guallar, Victor, Machado-Neto, João A., Costa-Lotufo, Leticia V.

“…Melanoma is a type of skin cancer with an elevated incidence of metastasis and chemoresistance. Such features hamper treatment success of these neoplasms,…”
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Anxiolytic-like effect of brominated compounds from the marine sponge Aplysina fulva on adult zebrafish (Danio rerio): Involvement of the GABAergic system by de F. Cesário, Hozana Patrícia S., Silva, Francisca Crislândia O., Ferreira, Maria Kueirislene A., de Menezes, Jane Eire S.A., dos Santos, Hélcio S., Nogueira, Carlos E.S., de L. Silva, Karísia S.B., Hajdu, Eduardo, Silveira, Edilberto R., Pessoa, Otília Deusdênia L.

“…Benzodiazepines are commonly used to treat disorders of the central nervous system, including anxiety. However, due to their adverse effects, there is a…”
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Antitumor Activity of the Essential Oil from the Leaves of Croton regelianus and Its Component Ascaridole by Bezerra, Daniel P., Filho, José D. B. Marinho, Alves, Ana Paula N. N., Pessoa, Cláudia, de Moraes, Manoel O., Pessoa, Otília Deusdênia L., Torres, Maria Conceição M., Silveira, Edilberto R., Viana, Francisco A., Costa-Lotufo, Letícia V.

“…Croton regelianus Muell. Arg., popularly known as ‘velame‐de‐cheiro’, is a native plant from the Northeast of Brazil used in folk medicine to treat diseases of…”
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Anxiolytic effects of N-(4,5-dihydro-5-oxo-1,2-dithiolo-[4,3,b]-pyrrole-6-yl)-N-methylformamide, a pyrroloformamide isolated from a marine Streptomyces sp., in adult zebrafish by the 5-HT system by Cesário, Hozana Patrícia S. de F., Silva, Francisca Crislândia O., Ferreira, Maria Kueirislene A., de Menezes, Jane Eire S. A., dos Santos, Hélcio S., Marques da Fonseca, Aluísio, Nogueira, Carlos Emídio S., Marinho, Marcia M., Marinho, Emmanuel S., Teixeira, Alexandre Magno R., Silveira, Edilberto R., Pessoa, Otília Deusdênia L.

“…General anxiety disorders are among the most prevalent mental health problems worldwide. The emergence and development of anxiety disorders can be due to…”
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NMR spectral assignments of a new [COC] isoflavone dimer from Andira surinamensis by de Almeida, José Gustavo L., Silveira, Edilberto R., Pessoa, Otília Deusdênia L.

“…The phytochemical investigation of extracts from the branch wood and branch barks of Andira surinamensis yielded a novel isoflavone dimer,…”
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Cytotoxic Alkaloids from Hippeastrum solandriflorum Lindl by Carvalho, Kaline R., Silva, Alison B., Torres, Maria Conceição M., Pinto, Francisco Chagas L., Guimarães, Larissa A., Rocha, Danilo D., Silveira, Edilberto R., Costa-Lotufo, Letícia V., Braz-Filho, Raimundo, Pessoa, Otília Deusdênia. L.

“…One new alkaloid, 2α-10bα-dihydroxy-9-O-demethylhomolycorine, in addition to seven others known alkaloids, and 5-(hydroxymethyl)furfural, piscidic acid and…”
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Betulinic Acid, a Natural Pentacyclic Triterpenoid, Prevents Abdominal Fat Accumulation in Mice Fed a High-Fat Diet by de Melo, Célio L, Queiroz, Maria Goretti R, Arruda Filho, Antonio Carlos V, Rodrigues, Adriana M, de Sousa, Daniel F, Almeida, José Gustavo L, Pessoa, Otilia Deusdênia L, Silveira, Edilberto R, Menezes, Dalgimar B, Melo, Tiago S, Santos, Flavia A, Rao, Vietla S

“…In the search for potential antiobese agents from natural sources, this study investigated the effects of betulinic acid (BA), a pentacyclic triterpene from…”
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Solanidane and iminosolanidane alkaloids from Solanum campaniforme by Torres, Maria Conceição M., Jorge, Roberta Jeane B., Ximenes, Rafael M., Alves, Natacha Teresa Q., Santos, João Victor de A., Marinho, Aline D., Monteiro, Helena S.A., Toyama, Marcos H., Braz-Filho, Raimundo, Silveira, Edilberto R., Pessoa, Otília Deusdênia L.

“…From the leaves of Solanum campaniforme (Solanaceae), eight solanidane alkaloids were isolated, four of which contained a p-hydroxyphenylethylamine unit. The…”
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Studies on the Cytotoxicity of Miscellaneous Compounds from Eupatorium betonicaeforme (D.C.) Baker (Asteraceae) by Rocha, Danilo D., Dantas, Ivana N. F., Albuquerque, Maria Rose Jane R., Montenegro, Raquel C., Pessoa, Cláudia, de Moraes, Manoel Odorico, Pessoa, Otília Deusdênia L., Silveira, Edilberto R., Costa-Lotufo, Letícia V.

“…A detailed study on the cytotoxic effects of five known constituents isolated from the flowers and roots of Eupatorium betonicaeforme is reported, including…”
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Petrosamine isolated from marine sponge Petrosia sp. demonstrates protection against neurotoxicity in vitro and in vivo by RIbeiro, Joana Francisca Marinho Parente, Araújo-Silva, Henrique, Fernandes, Mário, Silva, Joilna Alves, Pinto, Francisco das Chagas L., Pessoa, Otília Deusdenia L., Santos, Hélcio Silva, Menezes, Jane Eire Silva Alencar, Gomes, Andreia C

“…According to The World Alzheimer Report 2023 by Alzheimer’s Disease International (ADI) estimates that 33 to 38.5 million people worldwide suffer from…”
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Larvicidal and Nematicidal Activities of the Leaf Essential Oil of Croton regelianus by Torres, Maria Conceição M., Assunção, João Carlos, Santiago, Gilvandete Maria P., Andrade-Neto, Manoel, Silveira, Edilberto R., Costa-Lotufo, Leticia V., Bezerra, Daniel P., Filho, José Delano B. Marinho, Viana, Francisco Arnaldo, Pessoa, Otília Deusdênia L.

“…The chemical composition of the leaf essential oil of Croton regelianus collected from wild plants growing in two different sites at Ceará State (Brazil) was…”
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Essential oil composition from leaves and fruits of Piper divaricatum G. Mey by Almeida, Jose Gustavo L. de, Silveira, Edilberto R, Pessoa, Otilia Deusdenia L, Nunes, Edson P

“…The chemical composition of the essential oils from leaves and fruits of Piper divaricatum G. Mey., collected in August 2005 and September 2006, was analyzed…”
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Palyosulfonoceramides A and B: Unique Sulfonylated Ceramides from the Brazilian Zoanthids Palythoa caribaeorum and Protopalyhtoa variabilis by Almeida, Jose, Maia, Ana, Wilke, Diego, Silveira, Edilberto, Braz-Filho, Raimundo, La Clair, James, Costa-Lotufo, Leticia, Pessoa, Otília

“…The zoanthids Palythoa caribaeorum and Protopalythoa variabilis are among the most abundant marine species along the Brazilian coast. We now report the…”
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Chemical composition of the leaf essential oil of Cordia leucocephala Moric from northeast of Brazil by Diniz, Jaecio Carlos, Viana, Francisco Arnaldo, Oliveira, Odaci Fernandes de, Silveira, Edilberto R, Pessoa, Otilia Deusdenia L

“…The essential oil from leaves of Cordia leucocephala Moric (Boraginaceae) from northeast of Brazil was obtained by hydrodistillation and subsequently analyzed…”
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Cytotoxic Withaphysalins from the Leaves of Acnistus arborescens by VERAS, Maria Leopoldina, BEZERRA, Maria Zeneide B., LEMOS, Telma Leda G., DE A. UCHOA, Daniel Esdras, BRAZ-FILHO, Raimundo, CHAI, Hee-Byung, CORDELL, Geoffrey A., PESSOA, Otília Deusdênia L.

“…Three withaphysalins, rel-(17S,20R,22R)-5 beta,6 beta:18,20-diepoxy-4 beta-hydroxy-1,18-dioxowitha-2,24-dienolide(withaphysalin M) (1), rel-(17S,20R,22R)-5…”
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Withanolides from leaves of cultivated Acnistus arborescens by Batista, Pedro Henrique J., de Lima, Karísia Sousa B., Pinto, Francisco das Chagas L., Tavares, Juliane L., de A. Uchoa, Daniel E., Costa-Lotufo, Letícia V., Rocha, Danilo D., Silveira, Edilberto R., Bezerra, Antonio Marcos E., Canuto, Kirley M., Pessoa, Otília Deusdenia L.

“…Seven withanolides, including four previously unknown, were isolated from the acetone and ethanol extracts of cultivated specimens of Acnistus arborescens…”
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Cytotoxicity of actinomycetes associated with the ascidian Eudistoma vannamei (Millar, 1977), endemic of northeastern coast of Brazil by Jimenez, Paula C., Ferreira, Elthon G., Araújo, Luana A., Guimarães, Larissa A., Sousa, Thiciana S., Pessoa, Otília Deusdenia L., Lotufo, Tito M. C., Costa-Lotufo, Letícia V.

“…Previous studies demonstrated that the crude extract of the ascidian Eudistoma vannamei, endemic from northeasttern Brazil, strongly hinders growth of tumor…”
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