Cell proliferation-promoting peptide and use thereof

摘要

A cell proliferation promoter includes, as an active ingredient, an artificially synthesized peptide that includes (A) an amino acid sequence constituting a membrane-permeable peptide and (B) an amino acid sequence selected from SEQ ID NOs: 19 to 103 or an amino acid sequence formed by substituting, deleting and/or adding one or several amino acid residues in the selected amino acid sequence.