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- Afeiche, Myriam C., et al.
(författare)
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The dietary inflammatory index is associated with subclinical mastitis in lactating european women
- 2022
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Ingår i: Nutrients. - : MDPI. - 2072-6643. ; 14:22
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Tidskriftsartikel (refereegranskat)abstract
- Subclinical mastitis (SCM) is an inflammatory state of the lactating mammary gland, which is asymptomatic and may have negative consequences for child growth. The objectives of this study were to: (1) test the association between the dietary inflammatory index (DII®) and SCM and (2) assess the differences in nutrient intakes between women without SCM and those with SCM. One hundred and seventy-seven women with available data on human milk (HM) sodium potassium ratio (Na:K) and dietary intake data were included for analysis. Multivariable logistic regression was used to examine the association between nutrient intake and the DII score in relation to SCM. Women without SCM had a lower median DII score (0.60) than women with moderate (1.12) or severe (1.74) SCM (p < 0.01). A one-unit increase in DII was associated with about 41% increased odds of having SCM, adjusting for country and mode of delivery, p = 0.001. Women with SCM had lower mean intakes of several anti-inflammatory nutrients. We show for the first time exploratory evidence that SCM may be associated with a pro-inflammatory diet and women with SCM have lower intakes of several antioxidant and anti-inflammatory nutrients.
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- Agosti, F., et al.
(författare)
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Melanocortin 4 Receptor Constitutive Activity Inhibits L-Type Voltage-Gated Calcium Channels In Neurons
- 2017
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Ingår i: Neuroscience. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0306-4522 .- 1873-7544. ; 346, s. 102-112
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Tidskriftsartikel (refereegranskat)abstract
- The melanocortin 4 receptor (MC4R) is a G protein-coupled receptor (GPCR) that is expressed in several brain nuclei playing a crucial role in the regulation of energy balance controlling the homeostasis of the organism. It displays both agonist-evoked and constitutive activity, and moreover, it can couple to different G proteins. Most of the research on MC4R has been focused on agonist-induced activity, while the molecular and cellular basis of MC4R constitutive activity remains scarcely studied. We have previously shown that neuronal N-type voltage-gated calcium channels (Ca(V)2.2) are inhibited by MC4R agonist-dependent activation, while the Ca-V subtypes that carry L- and P/Q-type current are not. Here, we tested the hypothesis that MC4R constitutive activity can affect Ca-V, with focus on the channel subtypes that can control transcriptional activity coupled to depolarization (L-type, Ca(V)1.2/1.3) and neurotransmitter release (N- and P/Q-type, Ca(V)2.2 and Ca(V)2.1). We found that MC4R constitutive activity inhibits specifically Ca(V)1.2/1.3 and Ca(V)2.1 subtypes of Ca-V. We also explored the signaling pathways mediating this inhibition, and thus propose that agonist-dependent and basal MC4R activation modes signal differentially through G(s) and G(i/o) pathways to impact on different Ca-V subtypes. In addition, we found that chronic incubation with MC4R endogenous inverse agonist, agouti and agouti-related peptide (AgRP), occludes Ca-V inhibition in a cell line and in amygdaloid complex cultured neurons as well. Thus, we define new mechanisms of control of the main mediators of depolarization-induced calcium entry into neurons by a GPCR that displays constitutive activity.
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- Wang, Dantong, et al.
(författare)
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Analysis of dietary patterns and nutritional adequacy in lactating women : a multicentre European cohort (ATLAS study)
- 2021
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Ingår i: Journal of Nutritional Science. - : Cambridge University Press (CUP). - 2048-6790. ; 10
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Tidskriftsartikel (refereegranskat)abstract
- Eating habits of lactating women can influence the nutrient composition of human milk, which in turn influences nutrient intake of breastfed infants. The aim of the present study was to identify food patterns and nutritional adequacy among lactating women in Europe. Data from a multicentre European longitudinal cohort (ATLAS study) were analysed to identify dietary patterns using cluster analysis. Dietary information from 180 lactating women was obtained using 3-d food diaries over the first 4 months of lactation. Four dietary patterns were identified: ‘vege-oils’, ‘fish-poultry’, ‘confectionery-salads’ and ‘mixed dishes’. Nutrition adequacy was not significantly different between clusters, but the ‘vege-oils’ cluster tended to yield the highest nutrition adequacy measured by Mean Adequacy Ratio. Compared with European dietary reference values (DRVs) for lactating women, women in all clusters had inadequate intakes of energy, pantothenic acid, folate, vitamin C, vitamin A, vitamin D, zinc, iodine, potassium and linoleic acid. Adequate intake for fibre and α-linolenic acid was only achieved in the ‘vege-oils’ cluster. Overall, fat intake was above DRVs. The present study showed that various dietary patterns do not adequately supply all nutrients, indicating a need to promote overall healthy dietary habits for European lactating women.
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