Occurrence of galactosylceramide in pig epidermal cells

Hamanaka, Sumiko; Yamaguchi, Y; Yamamoto, Takakazu; Asagami, Chidori

doi:10.1016/0005-2760(88)90085-9

Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metaboli

1988

DOI: 10.1016/0005-2760(88)90085-9

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Occurrence of galactosylceramide in pig epidermal cells

Sumiko Hamanaka

Y Yamaguchi

Takakazu Yamamoto

et al.

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Cited by 8 publications

References 12 publications

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Eccrine gland involvement in Krabbe's disease

Elleder

1992

Vichows Archiv A Pathol Anat

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Lysosomal storage inclusions were observed in skin eccrine gland secretory and myoepithelial cells in three cases of Krabbe's disease. In addition to storage there were numerous degenerative changes, occasionally resulting in cell necrosis. These findings suggest a generalized nature of the storage process in this lysosomal enzymopathy and point to high galactocerebroside turnover in eccrine gland epithelium. This knowledge may be of value in the biopsy diagnosis of Krabbe's disease.

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Eccrine gland involvement in Krabbe's disease

Elleder

1992

Vichows Archiv A Pathol Anat

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Chemical Properties of Epidermal Lipids, Especially Sphingolipids, of the Antarctic Minke Whale

Yunoki

Ishikawa²,

Fukui

et al. 2008

Lipids

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It is well known that sphingolipids specifically exist in the terrestrial mammal epidermis and correlate with skin barrier functions. However, the lipid properties of the marine mammal epidermis have not been examined in detail. We thus investigated the chemical composition of lipid components, especially sphingolipids, in the black epidermis (outer skin) of Antarctic minke whales (six mature and six immature specimens). Complex lipid fractions mainly contained cerebroside (CE), cholesteryl sulfate and sphingomyelin (SM), as well as two glycerophospholipids. Moreover, in the superficial layer of the black epidermis, CE was richly abundant but phospholipids were scarce. As component fatty acids, the non-hydroxy monounsaturated very long chain fatty acids (VLFA) within 34 carbons were generally present in CE and SM in the black epidermis. CE also consisted of alpha-hydroxy fatty acids with monounsaturation within C34 (17%) and a slight proportion of omega-hydroxy ones (32:1 and 34:1), the latter being probably derived from acyl-CE. Component sphingoid bases of both sphingolipids were predominantly 4-sphingenine (64%), followed by a C16 analogue (21%). When comparing these by different maturities, mature whales showed sphingolipid profiles with higher levels of unsaturated fatty acids and with shorter sphingoid base chains than those of immature ones. Component analysis revealed that CE sugars were 67% glucose and 33% galactose, and alpha-hydroxy fatty acids only bound to galactose.

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Structure determination of glycosphingolipids of cultured human keratinocytes

Hamanaka¹,

Takemoto²,

Hamanaka³

et al. 1993

Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metaboli

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Occurrence of galactosylceramide in pig epidermal cells

Cited by 8 publications

References 12 publications

Eccrine gland involvement in Krabbe's disease

Eccrine gland involvement in Krabbe's disease

Chemical Properties of Epidermal Lipids, Especially Sphingolipids, of the Antarctic Minke Whale

Structure determination of glycosphingolipids of cultured human keratinocytes

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