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Chavira-Suárez E, Hernández-Olvera AL, Flores-Torres M, Celaya-Cruz KR, Gitler S, De la Cerda-Ángeles JC, Espinosa-Maldonado NC, Flores-Jasso CF, Gutiérrez H, Vadillo-Ortega F. Longitudinal large-scale changes in maternal circulating microRNAs associated with gestation-related compartments, fetal sex, and growth during and post-pregnancy. Genomics 2023; 115:110628. [PMID: 37075864 DOI: 10.1016/j.ygeno.2023.110628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 04/04/2023] [Accepted: 04/15/2023] [Indexed: 04/21/2023]
Abstract
Circulating microRNAs (c-miRNAs) during pregnancy could provide information regarding the functional status of the mother and the fetus. However, it remains unclear which pregnancy-related processes are reflected by c-miRNAs. Here, we used large-scale c-miRNA profiling of maternal plasma during and post-pregnancy, and compared it with that of non-pregnant women. Fetal growth measurements and fetal sex data were used to identify associated changes in c-miRNAs. Surprisingly, c-miRNA subpopulations with prominent expression in maternal/fetal compartments (placenta, amniotic fluid, umbilical cord plasma and breast milk) were found to be under expressed in circulation throughout pregnancy relative to non-pregnant plasma profiles. Furthermore, we found a bias in global c-miRNA expression in association with fetal sex right from the first trimester, in addition to a specific c-miRNA signature of fetal growth. Our results demonstrate the existence of specific temporal changes in c-miRNA populations associated with specific pregnancy-related compartments and processes, including fetal sex, and growth.
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Affiliation(s)
- Erika Chavira-Suárez
- Unidad de Vinculación de la Facultad de Medicina, UNAM en el Instituto Nacional de Medicina Genómica, 4809 Periférico Sur, Arenal de Tepepan, 14610 Tlalpan, Mexico City, Mexico; Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, 411A Circuito Escolar, Copilco Universidad, 04360 Coyoacán, Mexico City, Mexico.
| | - Alma Lilia Hernández-Olvera
- Unidad de Vinculación de la Facultad de Medicina, UNAM en el Instituto Nacional de Medicina Genómica, 4809 Periférico Sur, Arenal de Tepepan, 14610 Tlalpan, Mexico City, Mexico
| | - Mariana Flores-Torres
- Consorcio Metabolismo de RNA y Vesículas Extracelulares, Instituto Nacional de Medicina Genómica, 4809 Periférico Sur, Arenal de Tepepan, 14610 Tlalpan, Mexico City, Mexico
| | - Karen Rubí Celaya-Cruz
- Unidad de Vinculación de la Facultad de Medicina, UNAM en el Instituto Nacional de Medicina Genómica, 4809 Periférico Sur, Arenal de Tepepan, 14610 Tlalpan, Mexico City, Mexico
| | - Sofía Gitler
- Unidad de Vinculación de la Facultad de Medicina, UNAM en el Instituto Nacional de Medicina Genómica, 4809 Periférico Sur, Arenal de Tepepan, 14610 Tlalpan, Mexico City, Mexico
| | - Juan Carlos De la Cerda-Ángeles
- Hospital General Dr. Enrique Cabrera, Secretaría de Salud de la Ciudad de México, 3170 Prolongación 5 de Mayo, Ex hacienda de Tarango, 01620 Álvaro Obregón, Mexico City, Mexico
| | - Nidia Carolina Espinosa-Maldonado
- Unidad de Vinculación de la Facultad de Medicina, UNAM en el Instituto Nacional de Medicina Genómica, 4809 Periférico Sur, Arenal de Tepepan, 14610 Tlalpan, Mexico City, Mexico
| | - Carlos Fabián Flores-Jasso
- Consorcio Metabolismo de RNA y Vesículas Extracelulares, Instituto Nacional de Medicina Genómica, 4809 Periférico Sur, Arenal de Tepepan, 14610 Tlalpan, Mexico City, Mexico
| | - Humberto Gutiérrez
- Subdirección de Genómica Poblacional, Instituto Nacional de Medicina Genómica, 4809 Periférico Sur, Arenal de Tepepan, 14610 Tlalpan, Mexico City, Mexico.
| | - Felipe Vadillo-Ortega
- Unidad de Vinculación de la Facultad de Medicina, UNAM en el Instituto Nacional de Medicina Genómica, 4809 Periférico Sur, Arenal de Tepepan, 14610 Tlalpan, Mexico City, Mexico; Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, 411A Circuito Escolar, Copilco Universidad, 04360 Coyoacán, Mexico City, Mexico; Department of Environmental Health Sciences, University of Michigan School of Public Health. 1415 Washington Heights, Ann Arbor, 48109-2029, MI, USA.
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