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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/176898
Rat Milk and Plasma Immunological Profile throughout Lactation
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The composition of bioactive factors with immune activity in human breast milk is widely studied. However, the knowledge on rat milk immune factors during the whole lactation period is still scarce. This study aimed to analyze rat breast milk's immunoglobulin (Ig) content and some critical adipokines and growth factors throughout the lactation period, and to assess relationships with corresponding plasma levels. During lactation, milk concentration of the transforming growth factor (TGF)-β2 and -β3 showed a punctual increase in the first week, whereas adiponectin and leptin remained stable. In the second period of lactation (d14-21), despite the increase in the milk epidermal growth factor (EGF), a decrease in fibroblast growth factor 21 (FGF21) was detected at day 21. Milk IgA concentration had a progressive increase during lactation, while no significant changes were found in IgM and IgG. Regarding plasma levels, a decrease in all studied adipokines was observed in the second period of lactation, with the exception of IgA and TGF-β1, which reached their highest values at the end of the study. A positive correlation in IgM, IgG, and adipokine concentration was detected between milk and plasma compartments. In summary, the changes in the pattern of these bioactive compounds in rat milk and plasma and their relationships during lactation are established.
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GRASES PINTÓ, Blanca, ABRIL GIL, Maria del mar, TORRES-CASTRO, Paulina, CASTELL, Margarida, RODRÍGUEZ LAGUNAS, María josé, PÉREZ-CANO, Francisco j., FRANCH I MASFERRER, Àngels. Rat Milk and Plasma Immunological Profile throughout Lactation. _Nutrients_. 2021. Vol. 13, núm. 4. [consulta: 25 de febrer de 2026]. ISSN: 2072-6643. [Disponible a: https://hdl.handle.net/2445/176898]