polygala karensium/tyrosine

BACKGROUND Parkinson's disease (PD) is a neurodegenerative disorder characterized by progressive death of dopaminergic neurons in the substantia nigra pars compacta (SNpc). OBJECTIVE To study if tenuigenin (TEN), the main active component of Polygala tenuifolia, can protect dopaminergic neurons from

One purified polysaccharide protein tyrosine phosphatase (PTP) was isolated from the roots of Polygala tenuifolia. The aim of the present study is to investigate the antitumor effect of PTP on human ovarian cancer OVCAR-3 cells and explore the molecular mechanism of the action involved. The results

Tenuigenin, an active component of Polygala tenuifolia root extracts, has been shown to provide antioxidative and anti-aging effects in Alzheimer's disease, as well as to promote proliferation and differentiation of neural progenitor cells. However, the effects of tenuigenin on Parkinson's disease

OBJECTIVE Modified Yeoldahanso-tang (MYH) is a Korean herbal formula, containing 10 herbs: Pueraria lobata (Willd.) Ohwi, Angelica tenuissima Nakai, Scutellaria baicalensis Georgi, Platycodon grandiflorum (Jacq), Angelicae Dahurica, Cimicifuga heracleifolia Kom, Raphanus sativa L., Polygala