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El-Desoky MS, Takeuchi R, Katayama H, Tsutsui N. Chemical synthesis of insulin-like peptide 1 and its potential role in vitellogenesis of the kuruma prawn Marsupenaeus japonicus. J Pept Sci 2023; 29:e3529. [PMID: 37403818 DOI: 10.1002/psc.3529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/17/2023] [Accepted: 06/19/2023] [Indexed: 07/06/2023]
Abstract
The insulin superfamily comprises a group of peptides with diverse physiological functions and is conserved across the animal kingdom. Insulin-like peptides (ILPs) of crustaceans are classified into four major types: insulin, relaxin, gonadulin, and androgenic gland hormone (AGH)/insulin-like androgenic gland factor (IAG). Of these, the physiological functions of AGH/IAG have been clarified to be the regulation of male sex differentiation, but those of the other types have not been uncovered. In this study, we chemically synthesized Maj-ILP1, an ILP identified in the ovary of the kuruma prawn Marsupenaeus japonicus, using a combination of solid-phase peptide synthesis and regioselective disulfide bond formation reactions. As the circular dichroism spectral pattern of synthetic Maj-ILP1 is typical of other ILPs reported thus far, the synthetic peptide likely possessed the proper conformation. Functional analysis using ex vivo tissue incubation revealed that Maj-ILP1 significantly increased the expression of the yolk protein genes Maj-Vg1 and Maj-Vg2 in the hepatopancreas and Maj-Vg1 in the ovary of adolescent prawns. This is the first report on the synthesis of a crustacean ILP other than IAGs and also shows the positive relationship between the reproductive process and female-dominant ILP.
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Affiliation(s)
- Marwa Said El-Desoky
- Department of Life Sciences, Graduate School of Bioresources, Mie University, Tsu, Mie, Japan
- Department of Zoology, Faculty of Science, Menoufia University, Shebin El-Kom, Menoufia, Egypt
| | - Rino Takeuchi
- Department of Life Sciences, Graduate School of Bioresources, Mie University, Tsu, Mie, Japan
| | - Hidekazu Katayama
- Department of Bioengineering, School of Engineering, Tokai University, Hiratsuka, Kanagawa, Japan
| | - Naoaki Tsutsui
- Department of Life Sciences, Graduate School of Bioresources, Mie University, Tsu, Mie, Japan
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Chemical synthesis and functional evaluation of the crayfish insulin-like androgenic gland factor. Bioorg Chem 2022; 122:105738. [PMID: 35298963 DOI: 10.1016/j.bioorg.2022.105738] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 01/20/2023]
Abstract
Insulin-like androgenic gland factor (IAG) from the marbled crayfish Procambarus virginalis is an insulin-like heterodimeric peptide composed of A and B chains and has an Asn-linked glycan at the B chain. IAG is considered to be a male sex hormone inducing the sex differentiation to male in decapod crustacean, although there is no report on the function of IAG peptide in vivo. In order to characterize P. virginalis IAG, we chemically synthesized it and evaluated its biological function in vivo. A and B chains were prepared by the ordinary solid-phase peptide synthesis, and three disulfide bonds were formed regioselectively by dimethyl sulfoxide oxidation, pyridylsulfenyl-directed thiolysis and iodine oxidation reactions. An IAG disulfide isomer was also prepared by the same manner. Circular dichroism spectral analysis revealed that the disulfide bond arrangement affected the peptide conformation, which was similar to the other insulin-family peptides analyzed so far. On the other hand, the glycan moiety attached at the B chain had no effect on the peptide secondary structure. Injection of the synthetic IAG and its disulfide isomer to female crayfish did not induce male characteristics on the external morphology, but both peptides suppressed the oocyte maturation in vivo. These results suggest that IAG has a pivotal role on the suppression of female secondary sex characteristics.
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Toyota K, Miyakawa H, Hiruta C, Sato T, Katayama H, Ohira T, Iguchi T. Sex Determination and Differentiation in Decapod and Cladoceran Crustaceans: An Overview of Endocrine Regulation. Genes (Basel) 2021; 12:genes12020305. [PMID: 33669984 PMCID: PMC7924870 DOI: 10.3390/genes12020305] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 02/07/2023] Open
Abstract
Mechanisms underlying sex determination and differentiation in animals are known to encompass a diverse array of molecular clues. Recent innovations in high-throughput sequencing and mass spectrometry technologies have been widely applied in non-model organisms without reference genomes. Crustaceans are no exception. They are particularly diverse among the Arthropoda and contain a wide variety of commercially important fishery species such as shrimps, lobsters and crabs (Order Decapoda), and keystone species of aquatic ecosystems such as water fleas (Order Branchiopoda). In terms of decapod sex determination and differentiation, previous approaches have attempted to elucidate their molecular components, to establish mono-sex breeding technology. Here, we overview reports describing the physiological functions of sex hormones regulating masculinization and feminization, and gene discovery by transcriptomics in decapod species. Moreover, this review summarizes the recent progresses of studies on the juvenile hormone-driven sex determination system of the branchiopod genus Daphnia, and then compares sex determination and endocrine systems between decapods and branchiopods. This review provides not only substantial insights for aquaculture research, but also the opportunity to re-organize the current and future trends of this field.
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Affiliation(s)
- Kenji Toyota
- Marine Biological Station, Sado Center for Ecological Sustainability, Niigata University, Sado, Niigata 952-2135, Japan
- Department of Biological Sciences, Faculty of Science, Kanagawa University, Hiratsuka, Kanagawa 259-1293, Japan;
- Department of Biological Science and Technology, Faculty of Industrial Science and Technology, Tokyo University of Science, Katsushika, Tokyo 125-8585, Japan
- Correspondence: (K.T.); (T.S.); (T.I.)
| | - Hitoshi Miyakawa
- Center for Bioscience Research and Education, Utsunomiya University, Utsunomiya, Tochigi 321-8505, Japan;
| | - Chizue Hiruta
- Department of Biological Sciences, Faculty of Science, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan;
| | - Tomomi Sato
- Graduate School of Nanobioscience, Yokohama City University, Yokohama, Kanagawa 236-0027, Japan
- Correspondence: (K.T.); (T.S.); (T.I.)
| | - Hidekazu Katayama
- Department of Applied Biochemistry, School of Engineering, Tokai University, Kanagawa 259-1292, Japan;
| | - Tsuyoshi Ohira
- Department of Biological Sciences, Faculty of Science, Kanagawa University, Hiratsuka, Kanagawa 259-1293, Japan;
| | - Taisen Iguchi
- Graduate School of Nanobioscience, Yokohama City University, Yokohama, Kanagawa 236-0027, Japan
- Correspondence: (K.T.); (T.S.); (T.I.)
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He R, Pan J, Mayer JP, Liu F. Stepwise Construction of Disulfides in Peptides. Chembiochem 2020; 21:1101-1111. [PMID: 31886929 DOI: 10.1002/cbic.201900717] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Indexed: 12/12/2022]
Abstract
The disulfide bond plays an important role in biological systems. It defines global conformation, and ultimately the biological activity and stability of the peptide or protein. It is frequently present, singly or multiply, in biologically important peptide hormones and toxins. Numerous disulfide-containing peptides have been approved by the regulatory agencies as marketed drugs. Chemical synthesis is one of the prerequisite tools needed to gain deep insights into the structure-function relationships of these biomolecules. Along with the development of solid-phase peptide synthesis, a number of methods of disulfide construction have been established. This minireview will focus on the regiospecific, stepwise construction of multiple disulfides used in the chemical synthesis of peptides. We intend for this article to serve a reference for peptide chemists conducting complex peptide syntheses and also hope to stimulate the future development of disulfide methodologies.
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Affiliation(s)
- Rongjun He
- Novo Nordisk Research Center Indianapolis, 5225 Exploration Drive, Indianapolis, IN, 46241, USA
| | - Jia Pan
- Novo Nordisk Research Center China, 20 Life Science Road, Beijing, 102206, P. R. China
| | - John P Mayer
- Department of Molecular, Developmental & Cell Biology, University of Colorado, Boulder, CO, 80309, USA
| | - Fa Liu
- Novo Nordisk Research Center Seattle, 530 Fairview Avenue North, Seattle, WA, 98109, USA
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Katayama H, Mizuno R, Mita M. A novel approach for preparing disulfide-rich peptide-KLH conjugate applicable to the antibody production. Biosci Biotechnol Biochem 2019; 83:1791-1799. [DOI: 10.1080/09168451.2019.1618696] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
ABSTRACT
To produce the antiserum against a small peptide, the target peptide-keyhole limpet hemocyanine (KLH) conjugate is generally used as an antigen, although the disulfide-rich peptide-KLH conjugate is still difficult to prepare. In our previous study, we have developed a preparation method of the disulfide-rich peptide-KLH conjugate, and this method was applied to produce the antiserum against a relaxin-like peptide. However, this method is limited to the synthetic peptide antigen, and is not applicable to a native or a recombinant peptide. In this study, to expand the applicability of this method to wide variety of peptides, we newly designed a novel thiol probe enabling the conjugation between various peptides and KLH, and applied it to produce the antiserum against relaxin-like peptide of a starfish Asterias amurensis. The antiserum obtained here showed high antibody-titer and good specificity, strongly suggesting that the method developed in this study is applicable to various peptides.
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Affiliation(s)
- Hidekazu Katayama
- Department of Applied Biochemistry, School of Engineering, Tokai University, Kanagawa, Japan
| | - Ryo Mizuno
- Department of Applied Biochemistry, School of Engineering, Tokai University, Kanagawa, Japan
| | - Masatoshi Mita
- Center for Advanced Biomedical Sciences, TWIns, Research Institute for Science and Engineering, Waseda University, Tokyo, Japan
- Department of Biochemistry, Showa University School of Medicine, Tokyo, Japan
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Katayama H, Nagasawa H. Chemical synthesis of N-glycosylated insulin-like androgenic gland factor from the freshwater prawn Macrobrachium rosenbergii. J Pept Sci 2019; 25:e3215. [PMID: 31515898 DOI: 10.1002/psc.3215] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/01/2019] [Accepted: 08/25/2019] [Indexed: 12/27/2022]
Abstract
Crustacean insulin-like androgenic gland factor (IAG) of Macrobrachium rosenbergii, a heterodimeric peptide having both four disulfide bonds and an N-linked glycan, was synthesized by the combination of solid-phase peptide synthesis and the regioselective disulfide formation reactions. The disulfide isomer of IAG could also be synthesized by the same manner. The conformational analysis of these peptides by circular dichroism (CD) spectral measurement indicated that the disulfide bond arrangement affected the peptide conformation in IAG. On the other hand, the N-linked glycan attached at A chain showed no effect on CD spectra of IAG. This is the first report for the chemical synthesis of insulin-like heterodimeric glycopeptide having three interchain disulfides, and the synthetic strategy shown here might be useful for the synthesis of other glycosylated four-disulfide insulin-like peptides.
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Affiliation(s)
- Hidekazu Katayama
- Department of Applied Biochemistry, School of Engineering, Tokai University, Hiratsuka, Japan
| | - Hiromichi Nagasawa
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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