UV B-irradiation enhances the racemization and isomerizaiton of aspartyl residues and production of Nε-carboxymethyl lysine (CML) in keratin of skin

Yuhei Mori, Kenzo Aki, Katsunori Kuge, Shingo Tajima, Natsuko Yamanaka, Yuichi Kaji, Naoki Yamamoto, Ryoji Nagai, Hanako Yoshii, Norihiko Fujii, Masami Watanabe, Tadatoshi Kinouchi, Noriko Fujii

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

UV-B irradiation is one of the risk factors in age-related diseases. We have reported that biologically uncommon D-β-Asp residues accumulate in proteins from sun-exposed elderly human skin. A previous study also reported that carboxymethyl lysine (CML; one of the advanced glycation end products (AGEs)) which is produced by the oxidation of glucose and peroxidation of lipid, also increases upon UV B irradiation. The formation of D-β-Asp and CML were reported as the alteration of proteins in UV B irradiated skin, independently. In this study, in order to clarify the relationship between the formation of D-β-Asp and CML, immunohistochemical analysis using anti-D-β-Asp containing peptide antibodies and anti-CML antibodies was performed in UV B irradiated mice. Immunohistochemical analyses clearly indicated that an anti-D-β-Asp containing peptide antibody and anti-CML antibody reacted at a common area in UV B irradiated skin. Western blot analyses of the proteins isolated from UV B irradiated skin demonstrated that proteins of 50-70. kDa were immunoreactive towards antibodies for both D-β-Asp containing peptide and CML. These proteins were identified by proteomic analysis as members of the keratin families including keratin-1, keratin-6B, keratin-10, and keratin-14.

Original languageEnglish
Pages (from-to)3303-3309
Number of pages7
JournalJournal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences
Volume879
Issue number29
DOIs
Publication statusPublished - 01-11-2011

Fingerprint

Keratins
Skin
Irradiation
Proteins
Peptides
Antibodies
Anti-Idiotypic Antibodies
Keratin-1
Keratin-10
Keratin-6
Keratin-14
Advanced Glycosylation End Products
Solar System
N(6)-carboxymethyllysine
Sun
Proteomics
Lipid Peroxidation
Western Blotting
Lipids
Glucose

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry
  • Clinical Biochemistry
  • Cell Biology

Cite this

Mori, Yuhei ; Aki, Kenzo ; Kuge, Katsunori ; Tajima, Shingo ; Yamanaka, Natsuko ; Kaji, Yuichi ; Yamamoto, Naoki ; Nagai, Ryoji ; Yoshii, Hanako ; Fujii, Norihiko ; Watanabe, Masami ; Kinouchi, Tadatoshi ; Fujii, Noriko. / UV B-irradiation enhances the racemization and isomerizaiton of aspartyl residues and production of Nε-carboxymethyl lysine (CML) in keratin of skin. In: Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences. 2011 ; Vol. 879, No. 29. pp. 3303-3309.
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abstract = "UV-B irradiation is one of the risk factors in age-related diseases. We have reported that biologically uncommon D-β-Asp residues accumulate in proteins from sun-exposed elderly human skin. A previous study also reported that carboxymethyl lysine (CML; one of the advanced glycation end products (AGEs)) which is produced by the oxidation of glucose and peroxidation of lipid, also increases upon UV B irradiation. The formation of D-β-Asp and CML were reported as the alteration of proteins in UV B irradiated skin, independently. In this study, in order to clarify the relationship between the formation of D-β-Asp and CML, immunohistochemical analysis using anti-D-β-Asp containing peptide antibodies and anti-CML antibodies was performed in UV B irradiated mice. Immunohistochemical analyses clearly indicated that an anti-D-β-Asp containing peptide antibody and anti-CML antibody reacted at a common area in UV B irradiated skin. Western blot analyses of the proteins isolated from UV B irradiated skin demonstrated that proteins of 50-70. kDa were immunoreactive towards antibodies for both D-β-Asp containing peptide and CML. These proteins were identified by proteomic analysis as members of the keratin families including keratin-1, keratin-6B, keratin-10, and keratin-14.",
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UV B-irradiation enhances the racemization and isomerizaiton of aspartyl residues and production of Nε-carboxymethyl lysine (CML) in keratin of skin. / Mori, Yuhei; Aki, Kenzo; Kuge, Katsunori; Tajima, Shingo; Yamanaka, Natsuko; Kaji, Yuichi; Yamamoto, Naoki; Nagai, Ryoji; Yoshii, Hanako; Fujii, Norihiko; Watanabe, Masami; Kinouchi, Tadatoshi; Fujii, Noriko.

In: Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences, Vol. 879, No. 29, 01.11.2011, p. 3303-3309.

Research output: Contribution to journalArticle

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AU - Mori, Yuhei

AU - Aki, Kenzo

AU - Kuge, Katsunori

AU - Tajima, Shingo

AU - Yamanaka, Natsuko

AU - Kaji, Yuichi

AU - Yamamoto, Naoki

AU - Nagai, Ryoji

AU - Yoshii, Hanako

AU - Fujii, Norihiko

AU - Watanabe, Masami

AU - Kinouchi, Tadatoshi

AU - Fujii, Noriko

PY - 2011/11/1

Y1 - 2011/11/1

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