Direct evidence for the function of crustacean insulin-like androgenic gland factor (IAG): Total chemical synthesis of IAG

Hidekazu Katayama; Nozomi Kubota; Hironobu Hojo; Ayumi Okada; Sayaka Kotaka; Naoaki Tsutsui; Tsuyoshi Ohira

doi:10.1016/j.bmc.2014.09.031

Direct evidence for the function of crustacean insulin-like androgenic gland factor (IAG): Total chemical synthesis of IAG

Hidekazu Katayama, Nozomi Kubota, Hironobu Hojo, Ayumi Okada, Sayaka Kotaka, Naoaki Tsutsui, Tsuyoshi Ohira

Faculty of Science

Research output: Contribution to journal › Article

19 Citations (Scopus)

Abstract

Insulin-like androgenic gland factor (IAG) is presumed to be a sex differentiation factor so-called androgenic gland hormone (AGH) in decapod crustacean, although the function of IAG peptide has not yet been reported. In this study, we synthesized IAG from the prawn, Marsupenaeus japonicus, and its function was assessed by an in vitro bioassay. As a result, IAG with the insulin-type disulfide bond arrangement showed biological activity, whereas its disulfide isomer did not. These results strongly suggest that the native IAG peptide has an insulin-type disulfide, and it is the decapod AGH.

Original language	English
Pages (from-to)	5783-5789
Number of pages	7
Journal	Bioorganic and Medicinal Chemistry
Volume	22
Issue number	21
DOIs	https://doi.org/10.1016/j.bmc.2014.09.031
Publication status	Published - Nov 1 2014

Keywords

Crustacean
Glycopeptide
Insulin-like androgenic gland factor
Marsupenaeus japonicus
Solid-phase peptide synthesis

ASJC Scopus subject areas

Biochemistry
Molecular Medicine
Molecular Biology
Pharmaceutical Science
Drug Discovery
Clinical Biochemistry
Organic Chemistry

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Katayama, H., Kubota, N., Hojo, H., Okada, A., Kotaka, S., Tsutsui, N., & Ohira, T. (2014). Direct evidence for the function of crustacean insulin-like androgenic gland factor (IAG): Total chemical synthesis of IAG. Bioorganic and Medicinal Chemistry, 22(21), 5783-5789. https://doi.org/10.1016/j.bmc.2014.09.031

Direct evidence for the function of crustacean insulin-like androgenic gland factor (IAG) : Total chemical synthesis of IAG. / Katayama, Hidekazu; Kubota, Nozomi; Hojo, Hironobu; Okada, Ayumi; Kotaka, Sayaka; Tsutsui, Naoaki; Ohira, Tsuyoshi.

In: Bioorganic and Medicinal Chemistry, Vol. 22, No. 21, 01.11.2014, p. 5783-5789.

Research output: Contribution to journal › Article

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abstract = "Insulin-like androgenic gland factor (IAG) is presumed to be a sex differentiation factor so-called androgenic gland hormone (AGH) in decapod crustacean, although the function of IAG peptide has not yet been reported. In this study, we synthesized IAG from the prawn, Marsupenaeus japonicus, and its function was assessed by an in vitro bioassay. As a result, IAG with the insulin-type disulfide bond arrangement showed biological activity, whereas its disulfide isomer did not. These results strongly suggest that the native IAG peptide has an insulin-type disulfide, and it is the decapod AGH.",

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