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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/176311
Serum Phospholipids Fatty Acids and Breast Cancer Risk by Pathological Subtype
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This study evaluates whether serum phospholipids fatty acids (PL-FAs) and markers of their endogenous metabolism are associated with breast cancer (BC) subtypes. EpiGEICAM is a Spanish multicenter matched case-control study. A lifestyle and food frequency questionnaire was completed by 1017 BC cases and healthy women pairs. Serum PL-FA percentages were measured by gas chromatography-mass spectrometry. Conditional and multinomial logistic regression models were used to quantify the association of PL-FA tertiles with BC risk, overall and by pathological subtype (luminal, HER2+ and triple negative). Stratified analyses by body mass index and menopausal status were also performed. Serum PL-FAs were measured in 795 (78%) pairs. Women with high serum levels of stearic acid (odds ratio (OR)T3vsT1 = 0.44; 95% confidence interval (CI) = 0.30-0.66), linoleic acid (ORT3vsT1 = 0.66; 95% CI = 0.49-0.90) and arachidonic to dihomo-γ-linolenic acid ratio (OR T3vsT1 = 0.64; 95% CI = 0.48-0.84) presented lower BC risk. Participants with high concentrations of palmitoleic acid (ORT3vsT1 = 1.65; 95% CI = 1.20-2.26), trans-ruminant palmitelaidic acid (ORT3vsT1 = 1.51; 95% CI = 1.12-2.02), trans-industrial elaidic acid (ORT3vsT1 = 1.52; 95% CI = 1.14-2.03), and high oleic to stearic acid ratio (ORT3vsT1 = 2.04; 95% CI = 1.45-2.87) showed higher risk. These associations were similar in all BC pathological subtypes. Our results emphasize the importance of analyzing fatty acids individually, as well as the desaturase activity indices.
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LOPE, Virginia, GUERRERO ZOTANO, Ángel, CASAS, Ana, BAENA CAÑADA, José manuel, BERMEJO, Begona, PÉREZ GÓMEZ, Beatriz, CRIADO NAVARRO, Inmaculada, ANTOLÍN, Silvia, SÁNCHEZ ROVIRA, Pedro, RAMOS VÁZQUEZ, Manuel, ANTÓN, Antonio, CASTELLÓ, Adela, GARCÍA SAENZ, Jose angel, MUÑOZ MATEU, Montserrat, JUAN, Ana de, ANDRÉS, Raquel, LLOMBART CUSSAC, Antonio, HERNANDO, Blanca, FRANQUESA, Rosa maría, CABALLERO, Rosalía, PRIEGO CAPOTE, Feliciano, MARTÓN, Miguel, POLLÁN, Marina. Serum Phospholipids Fatty Acids and Breast Cancer Risk by Pathological Subtype. _Nutrients_. 2020. Vol. 12, núm. 10. [consulta: 24 de gener de 2026]. ISSN: 2072-6643. [Disponible a: https://hdl.handle.net/2445/176311]