A sericin-derived peptide protects Sf9 insect cells from death caused by acute serum deprivation

Sericin is the silk protein enveloping fibroin fibers in cocoons. Sericin hydrolysate protects cultured Sf9 insect cells from death caused by serum deprivation; the activity depends on the repeats of 38 amino acids. A partial peptide from the 38 residues, SGGSSTYGYS, inhibited serum-deprivation deat...

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Veröffentlicht in:Biotechnology letters 2005-07, Vol.27 (13), p.893-897
Hauptverfasser: TAKAHASHI, Masakazu, TSUJIMOTO, Kazuhisa, KATO, Youichi, YAMADA, Hideyuki, TAKAGI, Hiroshi, NAKAMORI, Shigeru
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container_end_page 897
container_issue 13
container_start_page 893
container_title Biotechnology letters
container_volume 27
creator TAKAHASHI, Masakazu
TSUJIMOTO, Kazuhisa
KATO, Youichi
YAMADA, Hideyuki
TAKAGI, Hiroshi
NAKAMORI, Shigeru
description Sericin is the silk protein enveloping fibroin fibers in cocoons. Sericin hydrolysate protects cultured Sf9 insect cells from death caused by serum deprivation; the activity depends on the repeats of 38 amino acids. A partial peptide from the 38 residues, SGGSSTYGYS, inhibited serum-deprivation death as well. Cell viabilities in the presence of 10% (v/v) foetal calf serum, no additives and 1 mM: SGGSSTYGYS were 96, 12 and 31% on the third day after inoculation, respectively. Aromatic residues seemed to be important because SGGSSTWGWS had the same activity as SGGSSTYGYS but SGGSSTAGAS had no activity.
doi_str_mv 10.1007/s10529-005-7177-5
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Sericin hydrolysate protects cultured Sf9 insect cells from death caused by serum deprivation; the activity depends on the repeats of 38 amino acids. A partial peptide from the 38 residues, SGGSSTYGYS, inhibited serum-deprivation death as well. Cell viabilities in the presence of 10% (v/v) foetal calf serum, no additives and 1 mM: SGGSSTYGYS were 96, 12 and 31% on the third day after inoculation, respectively. 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Psychology ; Insects ; Molecular Sequence Data ; Mortality ; Peptide Fragments - pharmacology ; Proteins ; Sericins - chemistry ; Sericins - pharmacology ; Silk ; Spodoptera - cytology ; Spodoptera - drug effects ; Spodoptera frugiperda ; Time Factors</subject><ispartof>Biotechnology letters, 2005-07, Vol.27 (13), p.893-897</ispartof><rights>2005 INIST-CNRS</rights><rights>Springer 2005</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c522t-493dbbcbc6b9335d51c42fed750fa206f95d3fe724409090d584aa9bfb78d62a3</citedby><cites>FETCH-LOGICAL-c522t-493dbbcbc6b9335d51c42fed750fa206f95d3fe724409090d584aa9bfb78d62a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=17062924$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16091882$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>TAKAHASHI, Masakazu</creatorcontrib><creatorcontrib>TSUJIMOTO, Kazuhisa</creatorcontrib><creatorcontrib>KATO, Youichi</creatorcontrib><creatorcontrib>YAMADA, Hideyuki</creatorcontrib><creatorcontrib>TAKAGI, Hiroshi</creatorcontrib><creatorcontrib>NAKAMORI, Shigeru</creatorcontrib><title>A sericin-derived peptide protects Sf9 insect cells from death caused by acute serum deprivation</title><title>Biotechnology letters</title><addtitle>Biotechnol Lett</addtitle><description>Sericin is the silk protein enveloping fibroin fibers in cocoons. Sericin hydrolysate protects cultured Sf9 insect cells from death caused by serum deprivation; the activity depends on the repeats of 38 amino acids. A partial peptide from the 38 residues, SGGSSTYGYS, inhibited serum-deprivation death as well. Cell viabilities in the presence of 10% (v/v) foetal calf serum, no additives and 1 mM: SGGSSTYGYS were 96, 12 and 31% on the third day after inoculation, respectively. 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Sericin hydrolysate protects cultured Sf9 insect cells from death caused by serum deprivation; the activity depends on the repeats of 38 amino acids. A partial peptide from the 38 residues, SGGSSTYGYS, inhibited serum-deprivation death as well. Cell viabilities in the presence of 10% (v/v) foetal calf serum, no additives and 1 mM: SGGSSTYGYS were 96, 12 and 31% on the third day after inoculation, respectively. Aromatic residues seemed to be important because SGGSSTWGWS had the same activity as SGGSSTYGYS but SGGSSTAGAS had no activity.</abstract><cop>Dordrecht</cop><pub>Springer</pub><pmid>16091882</pmid><doi>10.1007/s10529-005-7177-5</doi><tpages>5</tpages></addata></record>
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source MEDLINE; SpringerLink Journals - AutoHoldings
subjects Amino Acid Sequence
Amino acids
Animals
Biological and medical sciences
Biotechnology
Cell Line
Cell Proliferation - drug effects
Cell Survival - drug effects
Culture Media, Serum-Free - pharmacology
Dose-Response Relationship, Drug
Fibers
Fundamental and applied biological sciences. Psychology
Insects
Molecular Sequence Data
Mortality
Peptide Fragments - pharmacology
Proteins
Sericins - chemistry
Sericins - pharmacology
Silk
Spodoptera - cytology
Spodoptera - drug effects
Spodoptera frugiperda
Time Factors
title A sericin-derived peptide protects Sf9 insect cells from death caused by acute serum deprivation
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