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UCV-Scientia ; 3(1): 35-41, 2011. ilus, tab
Article in Spanish | LIPECS | ID: biblio-1112307

ABSTRACT

Una cepa de Lactobacillus, identificada como Lactobacillus sp. BMP9, fue seleccionada de 320 cultivos aislados de hisopados vaginales de entre 8 mujeres saludables con cero puntos según criterio de Nugent. Lactobacillus sp. BMP9 fue elegida en base a su producción de peróxido de hidrógeno principalmente (25mg/L), incubado a 37ºC durante 48 horas en caldo Man Rogosa Sharpe determinada por el método enzimático Test Peróxidos-Merckoquant. Se mostró la actividad antagónica de Labtobacillus sp. BMP9 contra Staphylococcus aureus mediante el método del botón de Lewus y en el sobrenadante del cultivo lactobacilar por el halo de inhibición de crecimiento y la no variación de la densidad óptica de la cepa indicadora, respectivamente. El efecto de la recolonización vaginal por Lactobacillus sp. BMP9, al momento de dormir por 7 noches, en las mujeres diagnosticadas con vaginosis bacteriana (VB) según test de Nugent mostraron cura del 81,75% (13/16) de VB y en las mujeres normales (Nugent: 3 puntos) no se observó efectos negativos en el 100% (4/4) al día 30 de control post-tratamiento (p menor que 0,05) y OR 1,44. La cepa Lactobacillus sp. BMP9 podría ser un buen probiótico alternativo para los tratamientos y profilaxis de la VB y otras infecciones genitales a investigar.


One strain of Lactobacillus, identified as Lactobacillus sp. BMP9, was selected from among 320 strains isolated from vaginal swabs of between 8 healthy women with Nugent's score 0. Lactobacillus sp. BMP9 was chosen on the basis of its peroxide of hydrogen production mainly (25mg/L), incubated at 37ºC for 48 hours in Man Rogosa Sharpe broth, determined by Peroxidos-Merkoquant enzymatic test. It was showed the antagonistic activity of Lactobacillus sp. BMP9 strain against Staphylococcus aureus through the spoton-law method of Lewus and in the supernatant of lactobacillary culture by the growing inhibition zone and the optic density no change of strain indicator, respectively. The effect of vaginal re-colonization by Lactobacillus sp. BMP9, at bedtime for 7 nights, in women diagnosed with bacterial vaginosis (BV) by Nugent test showed cure of 81.75% (13/16) of BV and in the normal women (Nugent: 3 points) it wasn't observe negative effects of 100% (4/4) follow-up at day 30 post-treatment control (p than lees 0,05) and Odds ratio 1,44. Lactobacillus sp. BMP9 strain could be a good alternative probiotic to the treatments and prophylaxis of BV and others genital infections to research.


Subject(s)
Female , Humans , Young Adult , Adult , Lactobacillus , Women , Probiotics , Vaginosis, Bacterial
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