Background: The serum level of soluble Human Leukocyte Antigen-antigen-D Related (HLA)-(DR) (sHLA-DR) may appear as a useful parameter to monitor maternal immune response during pregnancy. Objective: The aim was to compare HLA-G serum levels in patients with or without preeclampsia. Methods: Pregnant women seen at the “Mónica Pretelini Sáenz” Maternal-Perinatal Hospital (HMPMPS) were recruited at their first visit. Two groups were conformed: a) women with healthy pregnancies, and b) women with preeclampsia. The patients’ sociodemographic and laboratory data were introduced into the SPSS software program. HLA-G quantification was performed in peripheral blood samples through the Enzyme-linked Immunosorbent Assay (ELISA) method. Results: The total number of women seen was 16 (mean age, 24 ± 8 years), eight healthy women (mean age, 22 ± 3 years) and eight women with preeclampsia (mean age, 27 ± 7 years). Women with preeclampsia were older, heavier, had higher levels of Systolic Blood Pressure (SBP), Diastolic Blood Pressure (DBP), Mean Arterial Pressure (MAP), and referred less sexual intercourse per week than healthy pregnant women. There was no difference in HLA-G levels. Conclusion: The sexual intercourse frequency is a major factor to develop preeclampsia and the serum HLA-G levels measured previous to the child delivery or cesarean are not different between women with or without preeclampsia.
Pseudomonas aeruginosa, bacteria ubicua que puede generar infecciones complicadas en pacientes hospitalarios, incrementando los índices de morbimortalidad debido al incremento de resistencia a los antimicrobianos de uso clínico, en especial los de última opción terapéutica como los carbapenémicos por la adquisición de determinantes de resistencia a través de elementos genéticos móviles principalmente. OBJETIVO: Caracterizar el perfil de resistencia y características moleculares de P. aeruginosa, aislada de pacientes adultos con diagnóstico de infección en tres unidades de cuidados intensivos en Colombia.MÉTODOS: Se analizaron pacientes con infecciones por P.aeruginosa en UCI adultos. A los aislamientos bacterianos se les determinó el perfil de susceptibilidad a 12 antibióticos y se amplificaron genes de resistencia a β-lactámicos, quinolonas, sulfonamidas y plataformas genéticas como integrón clase 1 y 2. La relación genética por medio de PFGE y MLST. RESULTADOS: En el estudio se analizaron 40 pacientes de los cuales 23(57,5%) pertenecen a una UCI en la ciudad de Pereira. Las principales fuentes de aislamiento de los microorganismos son hemocultivos 13(32,5%) y urocultivos 11(27,5%). Los perfiles de resistencia SAM-FOX y SAM-FOX-SXT se presentaron en 6(15,0%) y 4(10,0%) aislamientos respectivamente. Las β-lactamasas más frecuentes fueron de tipo blaTEM, en 8(20,0%), blaSHV 7(17.5%) y blaCTX-M 3(7.5%), carbapenemasas de tipo blaKPC-2 y blaVIM en 4(9.7%) y 3(7.5%). Los aislamientos presentan un comportamiento policlonal con 28 pulsotipos. Los aislamientos productores de KPC-2 y VIM se encuentran asociados al ST235 y ST111 respectivamente. CONCLUSIONES: las infecciones generadas en las UCI de las entidades participantes presentan gran variabilidad y con una moderada resistencia a carbapenémicos asociados a la presencia de KPC-2 y VIM asociados al clon pandémico ST235 y ST111.
Objectives: Pancreatic duodenal homeobox factor-1 (PDX-1) and neurogenin-3 (NGN-3) are progenitor cell markers in the pancreas. The aim was to compare their serum levels in women with and without gestational diabetes mellitus (GDM). Material and Methods: This prospective, cross-sectional study included two groups: (a) Women with normal gestation and (b) with GDM. PDX-1 and NGN-3 serum expression was determined by qRT-PCR. Student’s t-test or the Mann–Whitney U-test was used to contrast both groups and the Pearson or Spearman correlation was used. A multiple regression was done introducing body mass index and the relative expression of both genes as independent variables and glucose as dependent variable. Statistical significance was tested at P ≤ 0.05 level. Results: Thirty-eight patients (mean age was of 29.00 ± 7.74 years) were included, 22 belonged to the normal pregnancies, and 16 to GDM. Using the ΔΔCt method, the expression fold change for PDX-1 was 0.458 and for NGN-3 it was 0.361. There was a significant positive correlation between the expressions of both genes. The multiple regression was significant for both genes expression and glucose levels in case of having normal weight. Conclusion: PDX-1 and NGN-3 low serum expression could be predictors of higher glucose levels in normal pregnancies.
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