Arachidonic acid and docosahexaenoic acid levels correlate with the inflammation proteome in extremely preterm infants

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Arachidonic acid and docosahexaenoic acid levels correlate with the inflammation proteome in extremely preterm infants

Klevebro, Susanna (författare): Karolinska Institutet,Karolinska Institute,Stockholm South General Hospital,Section for Ophthalmology, Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Department of Clinical Science and Education Sodersjukhuset, Karolinska Institutet, Stockholm, Sweden; Sach's Children's and Youth Hospital, Sodersjukhuset, Stockholm, Sweden,Univ Gothenburg, Sweden; Karolinska Inst, Sweden; Soder Sjukhuset, Sweden

Kebede Merid, Simon (författare): Karolinska Institutet,Karolinska Institute,Karolinska Inst, Sweden,Department of Clinical Science and Education Sodersjukhuset, Karolinska Institutet, Stockholm, Sweden

Sjöbom, Ulrika (författare): Gothenburg University,Göteborgs universitet,Institutionen för vårdvetenskap och hälsa,Institute of Health and Care Sciences,Section for Ophthalmology, Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Learning and Leadership for Health Care Professionals, Institute of Health and Care Science at Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden,Univ Gothenburg, Sweden; Univ Gothenburg, Sweden

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Zhong, Wen (författare): Linköpings universitet,Linköping University,Avdelningen för cell- och neurobiologi,Medicinska fakulteten,Science for Life Laboratory, Department of Biomedical and Clinical Sciences (BKV), Linköping University, Linköping, Sweden

Danielsson, Hanna (författare): Karolinska Institutet,Karolinska Institute,Stockholm South General Hospital,Karolinska Inst, Sweden; Soder Sjukhuset, Sweden,Centre for Translational Microbiome Research, Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden; Sach's Children's and Youth Hospital, Sodersjukhuset, Stockholm, Sweden

Wackernagel, Dirk (författare): Karolinska Institute,Universitätsmedizin Mainz,Karolinska Inst, Sweden; Johannes Gutenberg Univ Mainz, Germany,Department of Clinical Science, Intervention and Technology CLINTEC, Karolinska Institutet, Stockholm, Sweden; Division of Neonatology, Department of Pediatrics, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany

Hansen-Pupp, Ingrid (författare): Lund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Neonatologi,Forskargrupper vid Lunds universitet,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Neonatology,Lund University Research Groups,Department of Clinical Sciences, Lund, Pediatrics, Lund University, and Skane University Hospital, Lund, Sweden, Lund,Lund Univ, Sweden; Skane Univ Hosp, Sweden

Ley, David (författare): Lund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Neonatologi,Forskargrupper vid Lunds universitet,LTH profilområde: Avancerade ljuskällor,LTH profilområden,Lunds Tekniska Högskola,LU profilområde: Ljus och material,Lunds universitets profilområden,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Neonatology,Lund University Research Groups,LTH Profile Area: Photon Science and Technology,LTH Profile areas,Faculty of Engineering, LTH,LU Profile Area: Light and Materials,Lund University Profile areas,Department of Clinical Sciences, Lund, Pediatrics, Lund University, and Skane University Hospital, Lund, Sweden, Lund,Lund Univ, Sweden; Skane Univ Hosp, Sweden

Sävman, Karin, 1960 (författare): Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences,Department of Pediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Region Vastra Gotaland, Dept of Neonatology, The Queen Silvia Children´s Hospital, Sahlgrenska University Hospital, Gothenburg, Sweden,Sahlgrenska Academy,Univ Gothenburg, Sweden; Sahlgrens Univ Hosp, Sweden

Uhlén, Mathias (författare): KTH Royal Institute of Technology,KTH,Systembiologi,Science for Life Laboratory, SciLifeLab,KTH Royal Inst Technol, Sweden

Smith, Lois E.H. (författare): The Department of Ophthalmology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA,KTH Royal Inst Technol, Sweden

Hellström, Ann, 1959 (författare): Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience,Section for Ophthalmology, Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden,Univ Gothenburg, Sweden

Nilsson, Anders K., 1982 (författare): Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience,Section for Ophthalmology, Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden,Univ Gothenburg, Sweden

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Elsevier BV, 2024
2024
Engelska.
Ingår i: Clinical Nutrition. - : Elsevier BV. - 0261-5614 .- 1532-1983. ; 43:5, s. 1162-1170

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Abstract Ämnesord

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Background & aim: Clinical trials supplementing the long-chain polyunsaturated fatty acids (LCPUFAs) docosahexaenoic acid (DHA) and arachidonic acid (AA) to preterm infants have shown positive effects on inflammation-related morbidities, but the molecular mechanisms underlying these effects are not fully elucidated. This study aimed to determine associations between DHA, AA, and inflammation-related proteins during the neonatal period in extremely preterm infants. Methods: A retrospective exploratory study of infants (n = 183) born below 28 weeks gestation from the Mega Donna Mega trial, a randomized multicenter trial designed to study the effect of DHA and AA on retinopathy of prematurity. Serial serum samples were collected after birth until postnatal day 100 (median 7 samples per infant) and analyzed for phospholipid fatty acids and proteins using targeted proteomics covering 538 proteins. Associations over time between LCPUFAs and proteins were explored using mixed effect modeling with splines, including an interaction term for time, and adjusted for gestational age, sex, and center. Results: On postnatal day one, 55 proteins correlated with DHA levels and 10 proteins with AA levels. Five proteins were related to both fatty acids, all with a positive correlation. Over the first 100 days after birth, we identified 57 proteins to be associated with DHA and/or AA. Of these proteins, 41 (72%) related to inflammation. Thirty-eight proteins were associated with both fatty acids and the overall direction of association did not differ between DHA and AA, indicating that both LCPUFAs similarly contribute to up- and down-regulation of the preterm neonate inflammatory proteome. Primary examples of this were the inflammation-modulating cytokines IL-6 and CCL7, both being negatively related to levels of DHA and AA in the postnatal period. Conclusions: This study supports postnatal non-antagonistic and potentially synergistic effects of DHA and AA on the inflammation proteome in preterm infants, indicating that supplementation with both fatty acids may contribute to limiting the disease burden in this vulnerable population. Clinical registration number: ClinicalTrials.gov (NCT03201588).

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Pediatrik (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Pediatrics (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Clinical Medicine (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP -- Annan medicin och hälsovetenskap -- Gerontologi, medicinsk/hälsovetenskaplig inriktning (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Other Medical and Health Sciences -- Gerontology, specialising in Medical and Health Sciences (hsv//eng)

Nyckelord

Arachidonic acid
Docosahexaenoic acid
Immune response
Preterm birth
Proteomics
Arachidonic acid
Docosahexaenoic acid
Immune response
Preterm birth
Proteomics

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