Carotenoid-carrying Lipoproteins in the Serum of Chum Salmon (<i>Oncorhynchus keta</i>) Associated with Migration

Ando, Seiichi; Takeyama, Tetsushige; Hatano, Mutsuo; Zama, Kôichi

doi:10.1080/00021369.1985.10867045

Cited by 7 publications

(10 citation statements)

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“…This result was supported by the data in Fig. 4, which showed the effects of delipidation with ethanol-diethyl ether 5 ) on the compositions of HDL and VHDL z fractions. The absorption maximum of HDL fraction appeared at 480 nm, while VHDL z had two absorption maxima, one at 410nm and the other at 480nm.…”

Section: Distributions Of Protein Lipid and Carotenoids In Serum LIsupporting

confidence: 81%

Isolation and Characterization of a Carotenoid-carrying Lipoprotein in the Serum of Chum Salmon (Oncorhynchus keta) during Spawning Migration

Ando

Takeyama

Hatano

1986

Agricultural and Biological Chemistry

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Section: Distributions Of Protein Lipid and Carotenoids In Serum LIsupporting

confidence: 81%

Isolation and Characterization of a Carotenoid-carrying Lipoprotein in the Serum of Chum Salmon (Oncorhynchus keta) during Spawning Migration

Ando

Takeyama

Hatano

1986

Agricultural and Biological Chemistry

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“…Hung et al (1982) reported that ct-tocopherol circulates in the plasma preferentially combined with LDL in rainbow trout, but no other information regarding the transport of a-tocopherol in fish is available. Other lipid soluble substances such as astaxanthin are transported by HDL and VHDL in maturing chum salmon (Oncorhynchus keta) (Nakamura et al 1985;Ando et al 1985Ando et al , 1986 According to Cohn et al (1992), LDL-a-tocopherol may be delivered to peripheral tissues by both receptor-dependent pathways as well as separate uptake without concomitant LDL uptake. Hepatocytes of rainbow trout can take up the majority of circulating LDL by both specific and nonspecific mechanisms (Gjoen and Berg 1993).…”

Section: Discussionmentioning

confidence: 99%

Transport of alpha-tocopherol in Atlantic salmon (Salmo salar) during vitellogenesis

Lie

Sandvin

Waagbø

1994

Fish Physiol Biochem

101

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The transport of α-tocopherol was studied during vitellogenesis in Atlantic salmon that were fed diets with two levels of α-tocopherol. α-Tocopherol levels were measured in the flesh, liver, ovary and serum, and in the serum the α-tocopherol levels in the very low density lipoprotein (VLDL), low density lipoprotein (LDL), high density lipoprotein (HDL) and very high density lipoprotein (VHDL or vitellogenin) were also measured.Atlantic salmon store α-tocopherol mainly in their flesh because the muscle mass comprises 50% or more of live weight. During vitellogenesis the α-tocopherol content declined to about 10% of the level prior to maturation. The relative range of level of α-tocopherol in the lipoproteins was: HDL> LDL> VLDL> VHDL, irrespective of dietary levels of α-tocopherol.From the recent knowledge on lipid transport during vitellogenesis and the present data, we hypothesize that α-tocopherol is transported from peripheral tissues to liver by HDL and further transported from liver to ovary by LDL. Vitellogenin appears to play a minor role in the transportation of vitamin E to the ovary.

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“…That is, they are delivered to the liver from the intestine packaged in chylomicrons and then redistributed in lipoprotein particles. LDL, HDL and VHDL have been reported to contain 5, 32 and 34% of the total circulating carotenoids in chum salmon (Oncorhynchus keta) (Ando et al, 1985). Aas et al (1999) total carotenoids were associated with albumin in Atlantic salmon (Salmo salar).…”

Section: Vitamin a And Early Developmentmentioning

confidence: 99%

Vitamins A and E in the maternal diet influence egg quality and early life stage development in fish: a review

Palace¹,

Werner²

2006

Sci. Mar.

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SUMMARY: Early development in fish is dependent on essential nutrients present in the egg. Vitamins E and A are critical to the normal development of fish embryos. Vitamin E functions primarily as an antioxidant to protect unsaturated lipids from oxidative degradation. Vitamin A or its provitamin carotenoid forms support growth, are required for the differentiation and maintenance of epithelial tissue and can be converted to forms of the vitamin that are potent morphogens. Fish cannot synthesise either of the vitamins, so the maternal dietary content of each prior to oogenesis is an important determinant of reproductive fitness. Here we review the basic metabolism of vitamins E and A and carotenoids and their processing from the maternal diet and deposition into eggs. Evidence for the link between levels of each of the vitamins in eggs and measures of reproductive fitness are also discussed. -El desarrollo embrionario en peces es dependiente de los nutrientes esenciales presentes en el huevo. Las vitaminas E y A son críticas en el desarrollo normal de los embriones de los peces. La vitamina E funciona sobre todo como un antioxidante para proteger los lípidos no saturados contra la degradación oxidativa. La vitamina A, o los carotenoides formas de provitamina, se requieren para la diferenciación y el mantenimiento del tejido fino epitelial y se puede convertir a las formas de la vitamina que son morfogenes potentes. Los peces tampoco pueden sintetizar las vitaminas, de modo que el contenido dietético materno de cada una antes de la oogenesis es un determinante importante de la aptitud reproductiva. Aquí repasamos el metabolismo básico de las vitaminas E y A y los carotenoides y su procesamiento desde la dieta materna a la deposición en los huevos. Se discute también la evidencia del acoplamiento entre los niveles de cada una de las vitaminas en los huevos y las medidas de aptitud reproductiva en los adultos.

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Carotenoid-carrying Lipoproteins in the Serum of Chum Salmon (Oncorhynchus keta) Associated with Migration

Cited by 7 publications

References 0 publications

Isolation and Characterization of a Carotenoid-carrying Lipoprotein in the Serum of Chum Salmon (Oncorhynchus keta) during Spawning Migration

Isolation and Characterization of a Carotenoid-carrying Lipoprotein in the Serum of Chum Salmon (Oncorhynchus keta) during Spawning Migration

Transport of alpha-tocopherol in Atlantic salmon (Salmo salar) during vitellogenesis

Vitamins A and E in the maternal diet influence egg quality and early life stage development in fish: a review

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