Abstract：
:Pepsin-solubilised collagen (PSC) from Red Sea cucumber (Stichopus japonicus) was studied with respect to its wound-healing effects on a human keratinocyte (HaCaT) cell line. Disaggregated collagen fibres were treated with 0.1M NaOH for 24h and digested with pepsin for 72h to reach maximum yield of 26.6%. The results of an in vitro wound-healing test showed that migration of HaCaT cells was 1.5-fold faster on PSC-coated plates than on untreated plates. The migration rate of sea cucumber PSC was similar to that of rat PSC, but five times higher than that of bovine gelatin. HaCaT cells grown on PSC-coated plates revealed increased fibronectin synthesis (6-fold and 3-fold compared to gelatin and rat PSC, respectively). Additionally, sea cucumber PSCs induced HaCaT cell proliferation by decreasing the G1 phase by 5% and maintaining a larger population (8%) of cells in mitosis. Collagen from Red Sea cucumber might be useful as an alternative to mammalian collagen in the nutraceutical and pharmaceutical industries.
journal_name
Food Chemjournal_title
Food chemistryauthors
Park SY,Lim HK,Lee S,Hwang HC,Cho SK,Cho Mdoi
10.1016/j.foodchem.2011.11.032subject
Has Abstractpub_date
2012-05-01 00:00:00pages
487-92issue
1eissn
0308-8146issn
1873-7072pii
S0308-8146(11)01612-8journal_volume
132pub_type
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