Peptide Modulators of ASIC Channels of the Sea Anemone Urticina aff. coriacea (Cuvier, 1798) from the Sea of Okhotsk


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Abstract

A search for biologically active peptides has been performed in an aqueous extract of the sea anemone Urticina aff. coriacea (Cuvier, 1798) (Actiniidae) from the Sea of Okhotsk. A separation of the peptides by size-exclusion chromatography and subsequent electrophysiological testing have shown that peptides of three fractions can completely inhibit currents of mammalian ASIC1a channels. The sea anemone Urticina aff. coriacea is believed to be a promising source of novel peptides that interact with ASIC channels.

About the authors

I. N. Gladkikh

Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch, Russian Academy of Sciences

Author for correspondence.
Email: irinagladkikh@gmail.com
Russian Federation, Vladivostok, 690022

A. N. Kvetkina

Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch, Russian Academy of Sciences

Email: irinagladkikh@gmail.com
Russian Federation, Vladivostok, 690022

E. E. Kostina

Zhirmunsky Institute of Marine Biology, National Scientific Center of Marine Biology, Far East Branch,
Russian Academy of Sciences

Email: irinagladkikh@gmail.com
Russian Federation, Vladivostok, 690041

R. S. Kalina

Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch, Russian Academy of Sciences

Email: irinagladkikh@gmail.com
Russian Federation, Vladivostok, 690022

B. B. Grebnev

Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch, Russian Academy of Sciences

Email: irinagladkikh@gmail.com
Russian Federation, Vladivostok, 690022

S. G. Koshelev

Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences

Email: irinagladkikh@gmail.com
Russian Federation, Moscow, 117997

S. A. Kozlov

Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences

Email: irinagladkikh@gmail.com
Russian Federation, Moscow, 117997

M. M. Monastyrnaya

Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch, Russian Academy of Sciences

Email: irinagladkikh@gmail.com
Russian Federation, Vladivostok, 690022

E. P. Kozlovskaya

Elyakov Pacific Institute of Bioorganic Chemistry, Far East Branch, Russian Academy of Sciences

Email: irinagladkikh@gmail.com
Russian Federation, Vladivostok, 690022

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