Spermidine is essential for normal proliferation of trypanosomatid protozoa
- Autores
- González, N.S.; Huber, A.; Algranati, I.D.
- Año de publicación
- 2001
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Trypanosomatid parasites containing a metabolically unstable ornithine decarboxylase (ODC) are naturally resistant to high levels of α-difluoromethylornithine (DFMO) because this ODC inhibitor, though causing a drastic reduction of intracellular putrescine, elicits only a moderate decrease of the spermidine endogenous pool. In this study we have used a combination of DFMO with cyclohexylamine (CHA; bis-cyclohexylammonium sulfate), an inhibitor of spermidine synthase, to reach a more complete depletion of spermidine. Under these conditions we have observed the arrest of proliferation not only in trypanosomatids with stable ODC but also in parasites with an enzyme of high turnover rate. In all cases the reinitiation of proliferation occurred only after the addition of exogenous spermidine, and neither putrescine nor spermine were able to induce the same effect. © 2001 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved.
Fil:González, N.S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.
Fil:Algranati, I.D. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. - Fuente
- FEBS Lett. 2001;508(3):323-326
- Materia
-
Cyclohexylamine
Polyamine
Spermidine
Spermidine synthase
Trypanosomatid proliferation
eflornithine
eticyclidine
ornithine decarboxylase
putrescine
spermidine
article
cell proliferation
controlled study
Crithidia fasciculata
enzyme stability
nonhuman
priority journal
protozoon
Trypanosoma cruzi
Animals
Crithidia fasciculata
Cyclohexylamines
Eflornithine
Enzyme Inhibitors
Ornithine Decarboxylase
Putrescine
Spermidine
Spermidine Synthase
Spermine
Trypanosoma cruzi
Protozoa
Trypanosomatidae - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by/2.5/ar
- Repositorio
- Institución
- Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
- OAI Identificador
- paperaa:paper_00145793_v508_n3_p323_Gonzalez
Ver los metadatos del registro completo
id |
BDUBAFCEN_8c5183f2462b7468fa7f1e261fb53764 |
---|---|
oai_identifier_str |
paperaa:paper_00145793_v508_n3_p323_Gonzalez |
network_acronym_str |
BDUBAFCEN |
repository_id_str |
1896 |
network_name_str |
Biblioteca Digital (UBA-FCEN) |
spelling |
Spermidine is essential for normal proliferation of trypanosomatid protozoaGonzález, N.S.Huber, A.Algranati, I.D.CyclohexylaminePolyamineSpermidineSpermidine synthaseTrypanosomatid proliferationeflornithineeticyclidineornithine decarboxylaseputrescinespermidinearticlecell proliferationcontrolled studyCrithidia fasciculataenzyme stabilitynonhumanpriority journalprotozoonTrypanosoma cruziAnimalsCrithidia fasciculataCyclohexylaminesEflornithineEnzyme InhibitorsOrnithine DecarboxylasePutrescineSpermidineSpermidine SynthaseSpermineTrypanosoma cruziProtozoaTrypanosomatidaeTrypanosomatid parasites containing a metabolically unstable ornithine decarboxylase (ODC) are naturally resistant to high levels of α-difluoromethylornithine (DFMO) because this ODC inhibitor, though causing a drastic reduction of intracellular putrescine, elicits only a moderate decrease of the spermidine endogenous pool. In this study we have used a combination of DFMO with cyclohexylamine (CHA; bis-cyclohexylammonium sulfate), an inhibitor of spermidine synthase, to reach a more complete depletion of spermidine. Under these conditions we have observed the arrest of proliferation not only in trypanosomatids with stable ODC but also in parasites with an enzyme of high turnover rate. In all cases the reinitiation of proliferation occurred only after the addition of exogenous spermidine, and neither putrescine nor spermine were able to induce the same effect. © 2001 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved.Fil:González, N.S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.Fil:Algranati, I.D. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.2001info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12110/paper_00145793_v508_n3_p323_GonzalezFEBS Lett. 2001;508(3):323-326reponame:Biblioteca Digital (UBA-FCEN)instname:Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturalesinstacron:UBA-FCENenginfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/2.5/ar2025-09-29T13:42:51Zpaperaa:paper_00145793_v508_n3_p323_GonzalezInstitucionalhttps://digital.bl.fcen.uba.ar/Universidad públicaNo correspondehttps://digital.bl.fcen.uba.ar/cgi-bin/oaiserver.cgiana@bl.fcen.uba.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:18962025-09-29 13:42:53.259Biblioteca Digital (UBA-FCEN) - Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturalesfalse |
dc.title.none.fl_str_mv |
Spermidine is essential for normal proliferation of trypanosomatid protozoa |
title |
Spermidine is essential for normal proliferation of trypanosomatid protozoa |
spellingShingle |
Spermidine is essential for normal proliferation of trypanosomatid protozoa González, N.S. Cyclohexylamine Polyamine Spermidine Spermidine synthase Trypanosomatid proliferation eflornithine eticyclidine ornithine decarboxylase putrescine spermidine article cell proliferation controlled study Crithidia fasciculata enzyme stability nonhuman priority journal protozoon Trypanosoma cruzi Animals Crithidia fasciculata Cyclohexylamines Eflornithine Enzyme Inhibitors Ornithine Decarboxylase Putrescine Spermidine Spermidine Synthase Spermine Trypanosoma cruzi Protozoa Trypanosomatidae |
title_short |
Spermidine is essential for normal proliferation of trypanosomatid protozoa |
title_full |
Spermidine is essential for normal proliferation of trypanosomatid protozoa |
title_fullStr |
Spermidine is essential for normal proliferation of trypanosomatid protozoa |
title_full_unstemmed |
Spermidine is essential for normal proliferation of trypanosomatid protozoa |
title_sort |
Spermidine is essential for normal proliferation of trypanosomatid protozoa |
dc.creator.none.fl_str_mv |
González, N.S. Huber, A. Algranati, I.D. |
author |
González, N.S. |
author_facet |
González, N.S. Huber, A. Algranati, I.D. |
author_role |
author |
author2 |
Huber, A. Algranati, I.D. |
author2_role |
author author |
dc.subject.none.fl_str_mv |
Cyclohexylamine Polyamine Spermidine Spermidine synthase Trypanosomatid proliferation eflornithine eticyclidine ornithine decarboxylase putrescine spermidine article cell proliferation controlled study Crithidia fasciculata enzyme stability nonhuman priority journal protozoon Trypanosoma cruzi Animals Crithidia fasciculata Cyclohexylamines Eflornithine Enzyme Inhibitors Ornithine Decarboxylase Putrescine Spermidine Spermidine Synthase Spermine Trypanosoma cruzi Protozoa Trypanosomatidae |
topic |
Cyclohexylamine Polyamine Spermidine Spermidine synthase Trypanosomatid proliferation eflornithine eticyclidine ornithine decarboxylase putrescine spermidine article cell proliferation controlled study Crithidia fasciculata enzyme stability nonhuman priority journal protozoon Trypanosoma cruzi Animals Crithidia fasciculata Cyclohexylamines Eflornithine Enzyme Inhibitors Ornithine Decarboxylase Putrescine Spermidine Spermidine Synthase Spermine Trypanosoma cruzi Protozoa Trypanosomatidae |
dc.description.none.fl_txt_mv |
Trypanosomatid parasites containing a metabolically unstable ornithine decarboxylase (ODC) are naturally resistant to high levels of α-difluoromethylornithine (DFMO) because this ODC inhibitor, though causing a drastic reduction of intracellular putrescine, elicits only a moderate decrease of the spermidine endogenous pool. In this study we have used a combination of DFMO with cyclohexylamine (CHA; bis-cyclohexylammonium sulfate), an inhibitor of spermidine synthase, to reach a more complete depletion of spermidine. Under these conditions we have observed the arrest of proliferation not only in trypanosomatids with stable ODC but also in parasites with an enzyme of high turnover rate. In all cases the reinitiation of proliferation occurred only after the addition of exogenous spermidine, and neither putrescine nor spermine were able to induce the same effect. © 2001 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved. Fil:González, N.S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Algranati, I.D. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. |
description |
Trypanosomatid parasites containing a metabolically unstable ornithine decarboxylase (ODC) are naturally resistant to high levels of α-difluoromethylornithine (DFMO) because this ODC inhibitor, though causing a drastic reduction of intracellular putrescine, elicits only a moderate decrease of the spermidine endogenous pool. In this study we have used a combination of DFMO with cyclohexylamine (CHA; bis-cyclohexylammonium sulfate), an inhibitor of spermidine synthase, to reach a more complete depletion of spermidine. Under these conditions we have observed the arrest of proliferation not only in trypanosomatids with stable ODC but also in parasites with an enzyme of high turnover rate. In all cases the reinitiation of proliferation occurred only after the addition of exogenous spermidine, and neither putrescine nor spermine were able to induce the same effect. © 2001 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved. |
publishDate |
2001 |
dc.date.none.fl_str_mv |
2001 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/20.500.12110/paper_00145793_v508_n3_p323_Gonzalez |
url |
http://hdl.handle.net/20.500.12110/paper_00145793_v508_n3_p323_Gonzalez |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by/2.5/ar |
dc.format.none.fl_str_mv |
application/pdf |
dc.source.none.fl_str_mv |
FEBS Lett. 2001;508(3):323-326 reponame:Biblioteca Digital (UBA-FCEN) instname:Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales instacron:UBA-FCEN |
reponame_str |
Biblioteca Digital (UBA-FCEN) |
collection |
Biblioteca Digital (UBA-FCEN) |
instname_str |
Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales |
instacron_str |
UBA-FCEN |
institution |
UBA-FCEN |
repository.name.fl_str_mv |
Biblioteca Digital (UBA-FCEN) - Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales |
repository.mail.fl_str_mv |
ana@bl.fcen.uba.ar |
_version_ |
1844618733743505408 |
score |
13.070432 |