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Items: 1 to 50 of 117

1.

Generalist host species drive Trypanosoma cruzi vector infection in oil palm plantations in the Orinoco region, Colombia.

Erazo D, Gottdenker NL, González C, Guhl F, Cuellar M, Kieran TJ, Glenn TC, Umaña JD, Cordovez J.

Parasit Vectors. 2019 May 28;12(1):274. doi: 10.1186/s13071-019-3519-3.

2.

The effect of temperature increase on the development of Rhodnius prolixus and the course of Trypanosoma cruzi metacyclogenesis.

Tamayo LD, Guhl F, Vallejo GA, Ramírez JD.

PLoS Negl Trop Dis. 2018 Aug 15;12(8):e0006735. doi: 10.1371/journal.pntd.0006735. eCollection 2018 Aug.

3.

Importation of Hybrid Human-Associated Trypanosoma cruzi Strains of Southern South American Origin, Colombia.

Messenger LA, Ramirez JD, Llewellyn MS, Guhl F, Miles MA.

Emerg Infect Dis. 2016 Aug;22(8):1452-5. doi: 10.3201/eid2208.150786.

4.

Triatomines intrahaemocoelic inoculation protocol: a useful tool to check infectivity in insects.

Rozas-Dennis GS, Marti GA, González NL, Guhl F, Guérin DMA.

J Biol Methods. 2016 May 23;3(2):e40. doi: 10.14440/jbm.2016.46. eCollection 2016.

5.

Prevalence of Trypanosoma cruzi's Discrete Typing Units in a cohort of Latin American migrants in Spain.

Martinez-Perez A, Poveda C, Ramírez JD, Norman F, Gironés N, Guhl F, Monge-Maillo B, Fresno M, López-Vélez R.

Acta Trop. 2016 May;157:145-50. doi: 10.1016/j.actatropica.2016.01.032. Epub 2016 Feb 2.

PMID:
26851167
6.

Risks associated with dispersive nocturnal flights of sylvatic Triatominae to artificial lights in a model house in the northeastern plains of Colombia.

Jácome-Pinilla D, Hincapie-Peñaloza E, Ortiz MI, Ramírez JD, Guhl F, Molina J.

Parasit Vectors. 2015 Nov 19;8:600. doi: 10.1186/s13071-015-1209-3.

7.

Randomized Trial of Benznidazole for Chronic Chagas' Cardiomyopathy.

Morillo CA, Marin-Neto JA, Avezum A, Sosa-Estani S, Rassi A Jr, Rosas F, Villena E, Quiroz R, Bonilla R, Britto C, Guhl F, Velazquez E, Bonilla L, Meeks B, Rao-Melacini P, Pogue J, Mattos A, Lazdins J, Rassi A, Connolly SJ, Yusuf S; BENEFIT Investigators.

N Engl J Med. 2015 Oct;373(14):1295-306. doi: 10.1056/NEJMoa1507574. Epub 2015 Sep 1.

8.

Analytical Validation of Quantitative Real-Time PCR Methods for Quantification of Trypanosoma cruzi DNA in Blood Samples from Chagas Disease Patients.

Ramírez JC, Cura CI, da Cruz Moreira O, Lages-Silva E, Juiz N, Velázquez E, Ramírez JD, Alberti A, Pavia P, Flores-Chávez MD, Muñoz-Calderón A, Pérez-Morales D, Santalla J, Marcos da Matta Guedes P, Peneau J, Marcet P, Padilla C, Cruz-Robles D, Valencia E, Crisante GE, Greif G, Zulantay I, Costales JA, Alvarez-Martínez M, Martínez NE, Villarroel R, Villarroel S, Sánchez Z, Bisio M, Parrado R, Maria da Cunha Galvão L, Jácome da Câmara AC, Espinoza B, Alarcón de Noya B, Puerta C, Riarte A, Diosque P, Sosa-Estani S, Guhl F, Ribeiro I, Aznar C, Britto C, Yadón ZE, Schijman AG.

J Mol Diagn. 2015 Sep;17(5):605-15. doi: 10.1016/j.jmoldx.2015.04.010.

9.

The impact of landscape transformation on the reinfestation rates of Rhodnius prolixus in the Orinoco Region, Colombia.

Cordovez JM, Guhl F.

Acta Trop. 2015 Nov;151:73-9. doi: 10.1016/j.actatropica.2015.07.030. Epub 2015 Aug 4.

PMID:
26254003
10.

New scenarios of Trypanosoma cruzi transmission in the Orinoco region of Colombia.

Rendón LM, Guhl F, Cordovez JM, Erazo D.

Mem Inst Oswaldo Cruz. 2015 May;110(3):283-8. doi: 10.1590/0074-02760140403. Epub 2015 Mar 31.

11.

Follow-up of an asymptomatic Chagas disease population of children after treatment with nifurtimox (Lampit) in a sylvatic endemic transmission area of Colombia.

Bianchi F, Cucunubá Z, Guhl F, González NL, Freilij H, Nicholls RS, Ramírez JD, Montilla M, Flórez AC, Rosas F, Saavedra V, Silva N.

PLoS Negl Trop Dis. 2015 Feb 27;9(2):e0003465. doi: 10.1371/journal.pntd.0003465. eCollection 2015 Feb.

12.

Drug discovery for Chagas disease should consider Trypanosoma cruzi strain diversity.

Zingales B, Miles MA, Moraes CB, Luquetti A, Guhl F, Schijman AG, Ribeiro I; Drugs for Neglected Disease Initiative; Chagas Clinical Research Platform Meeting.

Mem Inst Oswaldo Cruz. 2014 Sep;109(6):828-33. Epub 2014 Aug 22.

13.

Development of peptide-based lineage-specific serology for chronic Chagas disease: geographical and clinical distribution of epitope recognition.

Bhattacharyya T, Falconar AK, Luquetti AO, Costales JA, Grijalva MJ, Lewis MD, Messenger LA, Tran TT, Ramirez JD, Guhl F, Carrasco HJ, Diosque P, Garcia L, Litvinov SV, Miles MA.

PLoS Negl Trop Dis. 2014 May 22;8(5):e2892. doi: 10.1371/journal.pntd.0002892. eCollection 2014 May.

14.

From ancient to contemporary molecular eco-epidemiology of Chagas disease in the Americas.

Guhl F, Auderheide A, Ramírez JD.

Int J Parasitol. 2014 Aug;44(9):605-12. doi: 10.1016/j.ijpara.2014.02.005. Epub 2014 Mar 24.

PMID:
24675555
15.

Cytokine profiling in Chagas disease: towards understanding the association with infecting Trypanosoma cruzi discrete typing units (a BENEFIT TRIAL sub-study).

Poveda C, Fresno M, Gironès N, Martins-Filho OA, Ramírez JD, Santi-Rocca J, Marin-Neto JA, Morillo CA, Rosas F, Guhl F.

PLoS One. 2014 Mar 7;9(3):e91154. doi: 10.1371/journal.pone.0091154. eCollection 2014.

16.
17.

Distribution of Trypanosoma cruzi discrete typing units in Bolivian migrants in Spain.

Perez-Molina JA, Poveda C, Martinez-Perez A, Guhl F, Monge-Maillo B, Fresno M, López-Velez R, Ramírez JD, Girones N.

Infect Genet Evol. 2014 Jan;21:440-2. doi: 10.1016/j.meegid.2013.12.018. Epub 2014 Jan 3.

PMID:
24389118
18.

Towards a paradigm shift in the treatment of chronic Chagas disease.

Viotti R, Alarcón de Noya B, Araujo-Jorge T, Grijalva MJ, Guhl F, López MC, Ramsey JM, Ribeiro I, Schijman AG, Sosa-Estani S, Torrico F, Gascon J; Latin American Network for Chagas Disease, NHEPACHA.

Antimicrob Agents Chemother. 2014;58(2):635-9. doi: 10.1128/AAC.01662-13. Epub 2013 Nov 18.

19.

Genetic structure of Trypanosoma cruzi in Colombia revealed by a High-throughput Nuclear Multilocus Sequence Typing (nMLST) approach.

Ramírez JD, Tapia-Calle G, Guhl F.

BMC Genet. 2013 Sep 30;14:96. doi: 10.1186/1471-2156-14-96.

20.

The identification of two Trypanosoma cruzi I genotypes from domestic and sylvatic transmission cycles in Colombia based on a single polymerase chain reaction amplification of the spliced-leader intergenic region.

Villa LM, Guhl F, Zabala D, Ramírez JD, Urrea DA, Hernández DC, Cucunubá Z, Montilla M, Carranza JC, Rueda K, Trujillo JE, Vallejo GA.

Mem Inst Oswaldo Cruz. 2013 Nov;108(7):932-5. doi: 10.1590/0074-0276130201.

21.

Retrospective molecular integrated epidemiology of Chagas disease in Colombia.

Guhl F, Ramírez JD.

Infect Genet Evol. 2013 Dec;20:148-54. doi: 10.1016/j.meegid.2013.08.028. Epub 2013 Sep 5.

PMID:
24012949
22.

Trypanosome species in neo-tropical bats: biological, evolutionary and epidemiological implications.

Ramírez JD, Tapia-Calle G, Muñoz-Cruz G, Poveda C, Rendón LM, Hincapié E, Guhl F.

Infect Genet Evol. 2014 Mar;22:250-6. doi: 10.1016/j.meegid.2013.06.022. Epub 2013 Jul 2.

PMID:
23831017
23.
24.

Molecular epidemiology of human oral Chagas disease outbreaks in Colombia.

Ramírez JD, Montilla M, Cucunubá ZM, Floréz AC, Zambrano P, Guhl F.

PLoS Negl Trop Dis. 2013;7(2):e2041. doi: 10.1371/journal.pntd.0002041. Epub 2013 Feb 21.

25.

Understanding the role of dogs (Canis lupus familiaris) in the transmission dynamics of Trypanosoma cruzi genotypes in Colombia.

Ramírez JD, Turriago B, Tapia-Calle G, Guhl F.

Vet Parasitol. 2013 Sep 1;196(1-2):216-9. doi: 10.1016/j.vetpar.2012.12.054. Epub 2013 Jan 9.

PMID:
23351975
26.

Validation of a Poisson-distributed limiting dilution assay (LDA) for a rapid and accurate resolution of multiclonal infections in natural Trypanosoma cruzi populations.

Ramírez JD, Herrera C, Bogotá Y, Duque MC, Suárez-Rivillas A, Guhl F.

J Microbiol Methods. 2013 Feb 15;92(2):220-5. doi: 10.1016/j.mimet.2012.11.002. Epub 2012 Nov 13.

PMID:
23159798
27.

Natural and emergent Trypanosoma cruzi I genotypes revealed by mitochondrial (Cytb) and nuclear (SSU rDNA) genetic markers.

Ramírez JD, Duque MC, Montilla M, Cucunubá Z, Guhl F.

Exp Parasitol. 2012 Dec;132(4):487-94. doi: 10.1016/j.exppara.2012.09.017. Epub 2012 Sep 29.

PMID:
23031800
28.

Towards the establishment of a consensus real-time qPCR to monitor Trypanosoma cruzi parasitemia in patients with chronic Chagas disease cardiomyopathy: a substudy from the BENEFIT trial.

Moreira OC, Ramírez JD, Velázquez E, Melo MF, Lima-Ferreira C, Guhl F, Sosa-Estani S, Marin-Neto JA, Morillo CA, Britto C.

Acta Trop. 2013 Jan;125(1):23-31. doi: 10.1016/j.actatropica.2012.08.020. Epub 2012 Sep 12.

29.

Multilocus PCR-RFLP profiling in Trypanosoma cruzi I highlights an intraspecific genetic variation pattern.

Ramírez JD, Duque MC, Montilla M, Cucunubá ZM, Guhl F.

Infect Genet Evol. 2012 Dec;12(8):1743-50. doi: 10.1016/j.meegid.2012.06.018. Epub 2012 Jul 21.

PMID:
22824418
30.

Contemporary cryptic sexuality in Trypanosoma cruzi.

Ramírez JD, Guhl F, Messenger LA, Lewis MD, Montilla M, Cucunuba Z, Miles MA, Llewellyn MS.

Mol Ecol. 2012 Sep;21(17):4216-26. doi: 10.1111/j.1365-294X.2012.05699.x. Epub 2012 Jul 9. Erratum in: Mol Ecol. 2013 Mar;22(5):1482.

31.

Rabbit serum against K1 peptide, an immunogenic epitope of the Trypanosoma cruzi KMP-11, decreases parasite invasion to cells.

Diaz-Soto JC, Lasso P, Guzmán F, Forero-Shelton M, Thomas Mdel C, López MC, Guhl F, Cuellar A, Puerta CJ, González JM.

Acta Trop. 2012 Sep;123(3):224-9. doi: 10.1016/j.actatropica.2012.05.015. Epub 2012 Jun 8.

PMID:
22687575
32.

Sequence analysis of the spliced-leader intergenic region (SL-IR) and random amplified polymorphic DNA (RAPD) of Trypanosoma rangeli strains isolated from Rhodnius ecuadoriensis, R. colombiensis, R. pallescens and R. prolixus suggests a degree of co-evolution between parasites and vectors.

Urrea DA, Guhl F, Herrera CP, Falla A, Carranza JC, Cuba-Cuba C, Triana-Chávez O, Grisard EC, Vallejo GA.

Acta Trop. 2011 Oct-Nov;120(1-2):59-66. doi: 10.1016/j.actatropica.2011.05.016. Epub 2011 Jun 28.

PMID:
21718675
33.

Phylogenetic reconstruction based on Cytochrome b (Cytb) gene sequences reveals distinct genotypes within Colombian Trypanosoma cruzi I populations.

Ramírez JD, Duque MC, Guhl F.

Acta Trop. 2011 Jul;119(1):61-5. doi: 10.1016/j.actatropica.2011.04.009. Epub 2011 Apr 16.

PMID:
21524641
34.

Trypanosoma cruzi I diversity: towards the need of genetic subdivision?

Guhl F, Ramírez JD.

Acta Trop. 2011 Jul;119(1):1-4. doi: 10.1016/j.actatropica.2011.04.002. Epub 2011 Apr 9. Review.

PMID:
21510916
35.

International study to evaluate PCR methods for detection of Trypanosoma cruzi DNA in blood samples from Chagas disease patients.

Schijman AG, Bisio M, Orellana L, Sued M, Duffy T, Mejia Jaramillo AM, Cura C, Auter F, Veron V, Qvarnstrom Y, Deborggraeve S, Hijar G, Zulantay I, Lucero RH, Velazquez E, Tellez T, Sanchez Leon Z, Galvão L, Nolder D, Monje Rumi M, Levi JE, Ramirez JD, Zorrilla P, Flores M, Jercic MI, Crisante G, Añez N, De Castro AM, Gonzalez CI, Acosta Viana K, Yachelini P, Torrico F, Robello C, Diosque P, Triana Chavez O, Aznar C, Russomando G, Büscher P, Assal A, Guhl F, Sosa Estani S, DaSilva A, Britto C, Luquetti A, Ladzins J.

PLoS Negl Trop Dis. 2011 Jan 11;5(1):e931. doi: 10.1371/journal.pntd.0000931.

36.

Immunological identification of Trypanosoma cruzi lineages in human infection along the endemic area.

Risso MG, Sartor PA, Burgos JM, Briceño L, Rodríguez EM, Guhl F, Chavez OT, Espinoza B, Monteón VM, Russomando G, Schijman AG, Bottasso OA, Leguizamón MS.

Am J Trop Med Hyg. 2011 Jan;84(1):78-84. doi: 10.4269/ajtmh.2011.10-0177.

37.

Chagas cardiomyopathy manifestations and Trypanosoma cruzi genotypes circulating in chronic Chagasic patients.

Ramírez JD, Guhl F, Rendón LM, Rosas F, Marin-Neto JA, Morillo CA.

PLoS Negl Trop Dis. 2010 Nov 30;4(11):e899. doi: 10.1371/journal.pntd.0000899.

38.

Interest and limitations of Spliced Leader Intergenic Region sequences for analyzing Trypanosoma cruzi I phylogenetic diversity in the Argentinean Chaco.

Tomasini N, Lauthier JJ, Monje Rumi MM, Ragone PG, Alberti D'Amato AA, Pérez Brandan C, Cura CI, Schijman AG, Barnabé C, Tibayrenc M, Basombrío MA, Falla A, Herrera C, Guhl F, Diosque P.

Infect Genet Evol. 2011 Mar;11(2):300-7. doi: 10.1016/j.meegid.2010.10.020. Epub 2010 Nov 24.

PMID:
21111067
39.

Breeding sites of Culicoides pachymerus Lutz in the Magdalena River basin, Colombia.

Carrasquilla MC, Guhl F, Zipa Y, Ferro C, Pardo RH, Cabrera OL, Santamaría E.

Mem Inst Oswaldo Cruz. 2010 Mar;105(2):216-9.

40.

A new consensus for Trypanosoma cruzi intraspecific nomenclature: second revision meeting recommends TcI to TcVI.

Zingales B, Andrade SG, Briones MR, Campbell DA, Chiari E, Fernandes O, Guhl F, Lages-Silva E, Macedo AM, Machado CR, Miles MA, Romanha AJ, Sturm NR, Tibayrenc M, Schijman AG; Second Satellite Meeting.

Mem Inst Oswaldo Cruz. 2009 Nov;104(7):1051-4.

41.

Evaluation of adult chronic Chagas' heart disease diagnosis by molecular and serological methods.

Ramírez JD, Guhl F, Umezawa ES, Morillo CA, Rosas F, Marin-Neto JA, Restrepo S.

J Clin Microbiol. 2009 Dec;47(12):3945-51. doi: 10.1128/JCM.01601-09. Epub 2009 Oct 21.

42.

Diagnosis, management and treatment of chronic Chagas' gastrointestinal disease in areas where Trypanosoma cruzi infection is not endemic.

Pinazo MJ, Cañas E, Elizalde JI, García M, Gascón J, Gimeno F, Gomez J, Guhl F, Ortiz V, Posada Ede J, Puente S, Rezende J, Salas J, Saravia J, Torrico F, Torrus D, Treviño B.

Gastroenterol Hepatol. 2010 Mar;33(3):191-200. doi: 10.1016/j.gastrohep.2009.07.009. Epub 2009 Oct 17. Review. No abstract available.

PMID:
19837482
43.

Characterization and antigenicity of the promising vaccine candidate Plasmodium vivax 34kDa rhoptry antigen (Pv34).

Mongui A, Angel DI, Gallego G, Reyes C, Martinez P, Guhl F, Patarroyo MA.

Vaccine. 2009 Dec 11;28(2):415-21. doi: 10.1016/j.vaccine.2009.10.034. Epub 2009 Oct 17.

PMID:
19837093
44.

Trypanosoma rangeli genotypes association with Rhodnius prolixus and R. pallescens allopatric distribution in Central America.

Salazar-Antón F, Urrea DA, Guhl F, Arévalo C, Azofeifa G, Urbina A, Blandón-Naranjo M, Sousa OE, Zeledón R, Vallejo GA.

Infect Genet Evol. 2009 Dec;9(6):1306-10. doi: 10.1016/j.meegid.2009.09.002. Epub 2009 Sep 22.

PMID:
19778637
45.

Sylvatic triatominae: a new challenge in vector control transmission.

Guhl F, Pinto N, Aguilera G.

Mem Inst Oswaldo Cruz. 2009 Jul;104 Suppl 1:71-5.

46.

Acta Tropica. Preface.

Guhl F.

Acta Trop. 2009 May-Jun;110(2-3):87. No abstract available.

PMID:
19385052
47.

Haplotype identification within Trypanosoma cruzi I in Colombian isolates from several reservoirs, vectors and humans.

Falla A, Herrera C, Fajardo A, Montilla M, Vallejo GA, Guhl F.

Acta Trop. 2009 Apr;110(1):15-21. doi: 10.1016/j.actatropica.2008.12.003. Epub 2008 Dec 24.

PMID:
19135020
48.

Genetic Variability and Phylogenetic Relationships within Trypanosoma cruzi I Isolated in Colombia Based on Miniexon Gene Sequences.

Herrera C, Guhl F, Falla A, Fajardo A, Montilla M, Adolfo Vallejo G, Bargues MD.

J Parasitol Res. 2009;2009. pii: 897364. doi: 10.1155/2009/897364. Epub 2010 Feb 1.

49.

The costs of preventing and treating chagas disease in Colombia.

Castillo-Riquelme M, Guhl F, Turriago B, Pinto N, Rosas F, Martínez MF, Fox-Rushby J, Davies C, Campbell-Lendrum D.

PLoS Negl Trop Dis. 2008;2(11):e336. doi: 10.1371/journal.pntd.0000336. Epub 2008 Nov 18.

50.

Triatominae-Trypanosoma cruzi/T. rangeli: Vector-parasite interactions.

Vallejo GA, Guhl F, Schaub GA.

Acta Trop. 2009 May-Jun;110(2-3):137-47. doi: 10.1016/j.actatropica.2008.10.001. Epub 2008 Oct 15. Review.

PMID:
18992212

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