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Gutierrez-Loli, R. ; Ferradas, C. ; Diestra, A. ; Traianou, A. ; Bowman, N. ; Bok, J. ; Reimer-McAtee, M. ; Ramal, C. ; Ticona, E. ; Steinberg, H. ; Mayta, H. ; Calderón, M. ; Calla-Choque, J.S. ; Sterling, C. ; Gilman, R.H. ; Pinedo, L.C. ; Valencia, G. ; Sánchez, L. ; Málaga, E. ; Zhu, D. ; Jiménez, J. ; Bern, C. ; Angulo, N. ; Schiaffino, F. ; Acosta, J. ; Holtz, M. ; Clark, D. ; Clark, T. ; Trompeter, G. ; Choi, J. ; Gandarilla, O. ; Dorn, M. ; Fortuny, E. ; Galdos, G. ; Colanzi, R. | American Society of Tropical Medicine and Hygiene | 2019-12-06T20:57:49ZQuantitative polymerase chain reaction (qPCR) for Toxoplasma gondii multicopy genes has emerged as a promising strategy for sensitive detection of parasite DNA. qPCR can be performed from blood samples, which are minimally invasive to collect. H[...]texto impreso
Mayta, H. ; Romero, Y.K. ; Pando, A. ; Verastegui, M. ; Tinajeros, F. ; Bozo, R. ; Henderson-Frost, J. ; Colanzi, R. ; Flores, J. ; Lerner, R. ; Bern, C. ; Gilman, R.H. ; Chagas Working Group in Peru and Bolivia | Public Library of Science | 2019-12-06T21:04:40ZBackground: The detection of Trypanosoma cruzi genetic material in clinical samples is considered an important diagnostic tool for Chagas disease. We have previously demonstrated that PCR using clot samples yields greater sensitivity than either[...]texto impreso
Pisanic, N. ; Ballard, S.-B. ; Colquechagua, F.D. ; François, R. ; Exum, N. ; Yori, P.P. ; Schwab, K.J. ; Granger, D.A. ; Detrick, B. ; Olortegui, M.P. ; Mayta, H. ; Sanchez, G.J. ; Gilman, R.H. ; Heaney, C.D. ; Vinjé, J. ; Kosek, M.N. | Oxford University Press | 2019-12-06T21:02:59ZBackground. Norovirus is a leading cause of acute gastroenteritis worldwide. Routine norovirus diagnosis requires stool collection. Te goal of this study was to develop and validate a noninvasive method to diagnose norovirus to complement stool [...]texto impreso
Labayo, H.K.M. ; Pajuelo, M.J. ; Tohma, K. ; Ford-Siltz, L.A. ; Gilman, R.H. ; Cabrera, L. ; Mayta, H. ; Sanchez, G.J. ; Cornejo, A.T. ; Bern, C. ; Dapat, C. ; Nochi, T. ; Parra, G.I. ; Oshitani, H. ; Saito, M. | Lancet Publishing Group | 2020-12-14T16:06:28ZBackground: Norovirus (NV) causes acute gastroenteritis in infants. Humoral and fecal immunoglobulin A (IgA) responses have been correlated with protection against NV; however, the role of breast milk IgA against NV infection and associated diar[...]texto impreso
Tohma, K. ; Lepore, C.J. ; Degiuseppe, J.I. ; Stupka, J.A. ; Saito, M. ; Mayta, H. ; Zimic, M. ; Ford-Siltz, L.A. ; Gilman, R.H. ; Parra, G.I. | Centers for Disease Control and Prevention (CDC) | 2020-12-14T16:10:18ZWe report multiple nontypeable genotype II noroviruses circulating in South America; nucleotides differed by > 25% from those of other genotypes. These viruses have been circulating in the Americas for ?20 years and show recombination with other[...]texto impreso
Noazin, S. ; Lee, J.A. ; Malaga, E.S. ; Valencia Ayala, E. ; Condori, B.J. ; Roca, C. ; Lescano, A.G. ; Bern, C. ; Castillo, W. ; Mayta, H. ; Menduiña, M.C. ; Verástegui, M.R. ; Tinajeros, F. ; Gilman, R.H. | Oxford University Press | 2019-12-06T21:02:59ZBackground Congenital Trypanosoma cruzi infection accounts for an estimated 22% of new cases of Chagas disease in Latin America. However, neonatal diagnosis is challenging, as 9-month follow-up for immunoglobulin G testing is poor, quantitative [...]texto impreso
Perez, L.A. ; Castillo, Y. ; Espinoza, C. ; Toribio, L.M. ; Santos, Y. ; Martel, K.S. ; Wilkins, P.P. ; Bustos, J.A. ; Garcia, H.H. ; Castro-Sesquen, Y.E. ; Gilman, R.H. ; Gonzalez, A.E. ; Tsang, V.C.W. ; Rodriguez, S. ; Gonzalez, I. ; Saavedra, H. ; Sanchez, S. ; Martinez, M. ; Verastegui, M. ; Zimic, M. ; Santivanez, S. ; Mayta, H. ; Pajuelo, M. ; Arroyo, G. ; Lopez, M.T. ; Gomez, L. ; Vargas, A. ; Gavidia, C.M. ; Moyano, L.M. ; Gamboa, R. ; Muro, C. ; Vichez, P. ; O´neal, S. ; Handali, S. ; Noh, J. ; Nash, T.E. ; Mahanty, S. ; Friedland, J. ; Grupo de Trabajo en Cisticercosis en Peru | Instituto Nacional de Salud | 2020-12-14T16:10:04ZThe use of L protein coupled magnetic particles for the concentration and purification of immunoglobulin M (mIgM) monoclonal antibodies against Taenia solium was evaluated. Three concentration methods and different elution times were evaluated a[...]
