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 PMID:31193530  

The potential chemo preventive effect of ursolic acid isolated from Paulownia tomentosa, against N-diethylnitrosamine: initiated and promoted hepatocarcinogenesis.

Sanaa A Ali | Nabaweya A Ibrahim | Magdy M D Mohammed | Seham El-Hawary | Esraa A Refaat
Heliyon | 2019

The present study discusses the isolation of ursolic acid from the chloroform extract of Paulownia tomentosa (Thunb) Steud fruits and its cytotoxic effect has been assessed in-vitro was performed in different cells lines (A-549, MCF-7, HepG2) and in-vivo using N-diethylnitrosamine. The obtained results revealed that ursolic acid showed significant cytotoxic activity on MCF-7 and HepG2 cell lines in comparison to Doxorubicin as a reference drug. Moreover, we have assessed the inhibitory effects of Paulownia tomentosa fruit chloroform extract and the isolated ursolic acid on hepatocarcinogenesis was carried out for the first time using N-diethylnitrosamine, where the group treated with ursolic acid given orally after 8 weeks of cancer induction showed the most significant results in comparison to the chloroform extract. The effect of ursolic acid on intoxicated rats caused significant restoration of most of the normal hepatocytes architecture with regular dark nuclei and the group treated with Paulownia tomentosa fruits showed remarkable results with improvement in biochemical analysis.

Pubmed ID: 31193530

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WI (tool)

RRID:RGD_13508588

Rattus norvegicus with name WI from RGD.

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MCF-7 (tool)

RRID:CVCL_0031

Cell line MCF-7 is a Cancer cell line with a species of origin Homo sapiens (Human)

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Hep-G2 (tool)

RRID:CVCL_0027

Cell line Hep-G2 is a Cancer cell line with a species of origin Homo sapiens (Human)

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A-549 (tool)

RRID:CVCL_0023

Cell line A-549 is a Cancer cell line with a species of origin Homo sapiens (Human)

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