Dietary omega-3 polyunsaturated fatty acids decrease retinal neovascularization by adipose-endoplasmic reticulum stress reduction to increase adiponectin

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Dietary omega-3 polyunsaturated fatty acids decrease retinal neovascularization by adipose-endoplasmic reticulum stress reduction to increase adiponectin

Fu, Z. J. (author)

Löfqvist, Chatarina, 1964 (author): Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap och rehabilitering,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation

Shao, Z. (author)

Sun, Y. (author)

Joyal, J. S. (author)

Hurst, C. G. (author)

Cui, R. Z. (author)

Evans, L. P. (author)

Tian, K. (author)

Sangiovanni, J. P. (author)

Chen, J. (author)

Ley, David (author): Lund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine

Pupp, Ingrid (author): Lund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine

Hellström, Ann, 1959 (author): Lund University,Lunds universitet,Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Institute of Neuroscience and Physiology,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine

Smith, L. E. H. (author)

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Elsevier BV, 2015
2015
English.
In: American Journal of Clinical Nutrition. - : Elsevier BV. - 0002-9165 .- 1938-3207. ; 101:4, s. 879-888

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Journal article (peer-reviewed)

Abstract Subject headings

Background: Retinopathy of prematurity (ROP) is a vision-threatening disease in premature infants. Serum adiponectin (APN) concentrations positively correlate with postnatal growth and gestational age, important risk factors for ROP development. Dietary omega-3 (n-3) long-chain polyunsaturated fatty acids (omega-3 LCPUFAs) suppress ROP and oxygen-induced retinopathy (OIR) in a mouse model of human ROP, but the mechanism is not fully understood. Objective: We examined the role of APN in ROP development and whether circulating APN concentrations are increased by dietary omega-3 LCPUFAs to mediate the protective effect in ROP. Design: Serum APN concentrations were correlated with ROP development and serum omega-3 LCPUFA concentrations in preterm infants. Mouse OIR was then used to determine whether omega-3 LCPUFA supplementation increases serum APN concentrations, which then suppress retinopathy. Results: We found that in preterm infants, low serum APN concentrations positively correlate with ROP, and serum APN concentrations positively correlate with serum omega-3 LCPUFA concentrations. In mouse OIR, serum total APN and bioactive high-molecular-weight APN concentrations are increased by omega-3 LCPUFA feed. White adipose tissue, where APN is produced and assembled in the endoplasmic reticulum, is the major source of serum APN. In mouse OIR, adipose endoplasmic reticulum stress is increased, and APN production is suppressed. omega-3 LCPUFA feed in mice increases APN production by reducing adipose endoplasmic reticulum stress markers. Dietary omega-3 LCPUFA suppression of neovascularization is reduced from 70% to 10% with APN deficiency. APN receptors localize in the retina, particularly to pathologic neovessels. Conclusion: Our findings suggest that increasing APN by omega-3 LCPUFA supplementation in total parental nutrition for preterm infants may suppress ROP.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Näringslära (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Nutrition and Dietetics (hsv//eng)

Keyword

omega-3 long-chain polyunsaturated fatty acids
adiponectin
endoplasmic reticulum stress
OXYGEN-INDUCED RETINOPATHY
ENDOTHELIAL-CELL APOPTOSIS
MOLECULAR-WEIGHT
FORM
PATHOLOGICAL ANGIOGENESIS
PRETERM INFANTS
NITRIC-OXIDE
FISH-OIL
PREMATURITY
MOUSE
SUPPRESSION
Nutrition & Dietetics

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By the author/editor: Fu, Z. J.; Löfqvist, Chatar ...; Shao, Z.; Sun, Y.; Joyal, J. S.; Hurst, C. G.; show more...; Cui, R. Z.; Evans, L. P.; Tian, K.; Sangiovanni, J. ...; Chen, J.; Ley, David; Pupp, Ingrid; Hellström, Ann, ...; Smith, L. E. H.; show less...

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MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Health Sciences; and Nutrition and Di ...

Articles in the publication: American Journal ...

By the university: University of Gothenburg; Lund University

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