Gene & Protein in Disease is an open-access journal under AccScience Publishing. All articles published in Gene & Protein in Disease can be freely accessed from the journal website. In order to ensure contents are freely available and maintain publishing quality, Article Process Charges (APC) are levied on all authors whose papers are accepted for publication after peer-review to cover the costs incurred in manuscript processing, such as copy-editing, typesetting, publishing, content depositing and archiving processes. Articles that do not require peer-review such as letters, editorials, corrigenda, and addenda will be published free of charge.