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Spontaneous Proteolytic Processing of Human Recombinant Anti-Mullerian Hormone: Structural and Functional Differences of the Molecular Forms

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Abstract

The technology for the production of highly purified human recombinant anti-mullerian hormone (AMH)—a potential antitumor agent for the treatment of certain types of malignant neoplasms—is described. It was found that spontaneous proteolytic processing of the hormone is possible during the storage of AMH preparations under physiological conditions. This leads to the formation of C-terminal homodimer of AMH (activated form) and, later, to an inactive state during the further proteolysis. Sites at which spontaneous processing of the hormone molecule occurred during prolonged storage with the formation of active and inactive fragments were identified. The structural and functional differences in the molecular forms of the C-terminal fragment contained in the preparations are analyzed.

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COMPLIANCE WITH ETHICAL STANDARDS

The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.

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Authors and Affiliations

  1. State Research Institute of Highly Pure Biopreparations, Federal Medical-Biological Agency (FMBA), 197110, St. Petersburg, Russia

    A. Ya. Rak, A. V. Trofimov, E. A. Protasov, S. V. Rodin, A. V. Zhahov, Ya. A. Zabrodskaya & A. M. Ischenko

  2. St. Petersburg State University, 199034, St. Petersburg, Russia

    A. Ya. Rak

  3. Research Institute of Influenza, Ministry of Health of Russia, 197376, St. Petersburg, Russia

    Ya. A. Zabrodskaya

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  1. A. Ya. Rak
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  2. A. V. Trofimov
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  3. E. A. Protasov
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  4. S. V. Rodin
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  5. A. V. Zhahov
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  6. Ya. A. Zabrodskaya
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  7. A. M. Ischenko
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Correspondence to A. Ya. Rak.

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Translated by P. Kuchina

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Rak, A.Y., Trofimov, A.V., Protasov, E.A. et al. Spontaneous Proteolytic Processing of Human Recombinant Anti-Mullerian Hormone: Structural and Functional Differences of the Molecular Forms. Appl Biochem Microbiol 55, 13–20 (2019). https://doi.org/10.1134/S0003683819010149

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  • DOI: https://doi.org/10.1134/S0003683819010149

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