clinical practice of Parkinson disease is a common in middle-aged and elderly chronic degenerative diseases of central nervous system is represented by L-dopa dopamine replacement therapy mainly, some researchers. In fact, 5-HTP is produced from tryptophan via the enzyme tryptophan hydroxylase. And then, 5-HTP is converted into serotonin via the enzyme L-amino acid decarboxylase. Then perfusion fixed, get in the brain, paraffin-embedded. In L-dopa dopamine replacement therapy are the main drug, its side effects are also very obvious that the latest studies suggest that L-dopa has resulted in the substantia nigra apoptosis.
Science Journals may include various types of articles such as, letters, short communications, review articles, research articles, case reports, editorials, and other supplementary articles. Science literatures have evolved from time to time in terms of specialization and target audience.
Last date updated on July, 2014