A method of treatment for treating, preventing, inhibiting or reducing tissue deterioration, injury or damage due to congestive heart failure disease, or for restoring tissue adversely affected by said disease, in a subject, includes administering to a subject an effective amount of a composition including a peptide agent including amino acid sequence LKKTET [SEQ ID NO: 1] or LKKTNT [SEQ ID NO: 2], a conservative variant thereof, or a peptide agent that stimulates production of an LKKTET [SEQ ID NO: 1] or LKKTNT [SEQ ID NO: 2] peptide, or a conservative variant thereof, in the tissue.
