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PD15, a steroidal saponin, induces apoptosis of HCT116 colorectal cancer cells via suppressing the Akt/GSK3β pathway.
J Pharm Pharmacol
January 2025
Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China.
Objectives: PD15, a novel natural steroidal saponin extracted from the rhizomes of Paris delavayi Franchet, has demonstrated a strong cytotoxic effect against HepG2 and U87MG cells. However, its therapeutic effects on colorectal cancer (CRC) and the underlying molecular mechanisms remain unclear.
Methods: MTT assay, clonogenic assay, Hoechst 33258 staining, flow cytometry, molecular docking, and western blot were used to investigate the mechanism of PD15 in HCT116 cell lines.
Inotodiol induces hepatocellular carcinoma apoptosis by activation of MAPK/ERK pathway.
PLoS One
January 2025
Heilongjiang University of Traditional Chinese Medicine, Harbin, Heilongjiang, China.
Hepatocellular carcinoma(HCC) has a high mortality and morbidity rate and seriously jeopardizes human life. Chemicals and chemotherapeutic agents have been experiencing problems such as side effects and drug resistance in the treatment of HCC, which cannot meet the needs of clinical treatment. Therefore, finding novel low-toxicity and high-efficiency anti-hepatocellular carcinoma drugs and exploring their mechanisms of action have become the current problems to be solved in the treatment of HCC.
View Article and Find Full Text PDFNew insight on the acute CCl-induced hepatotoxicity model in rats.
Naunyn Schmiedebergs Arch Pharmacol
January 2025
Center of Studies and Research Toxic-Pharmacological, School of Pharmacy, Federal University of Goias, Leste Universitario, 240th Street, Corner of 5th Avenue, Goiania, GO, 74605-170, Brazil.
The CCl-induced hepatotoxicity model is a traditional preclinical assay applied to evaluate potential hepatoprotective compounds. However, several studies have used it with inappropriate dose and exposure time, generating both weak response or irreversible liver injury, as well as lack of representative liver and plasma biomarkers. Therefore, this study aims to determine the best dose and exposure time of CCl in Wistar rats, permitting a proper evaluation of potential hepatoprotective effect.
View Article and Find Full Text PDFGinkgolide B regulates apoptosis, oxidative stress, and mitochondrial dysfunction in MPP-induced SK-N-SH cells by targeting HDAC4/JNK pathway.
Naunyn Schmiedebergs Arch Pharmacol
January 2025
Huai'an Hospital Affiliated to Yangzhou University, The Fifth People's Hospital of Huai'an), 1 Huaihe East Road, Huaiyin District, Huai'an City, Jiangsu Province, China.
Ginkgolide B (GB) is a bioactive constituent found in Ginkgo biloba leaves that has been long recognized as a protective agent against many neurological disorders. Our study aimed to examine the effect of GB in an in vitro Parkinson's disease (PD) model and to investigate its neuroprotective mechanism as a primary objective. SK-N-SH cells were challenged with 1-methyl-4-phenylpyridinium (MPP) to act as a PD-like model of neuronal damage.
View Article and Find Full Text PDFBeyond small molecules: advancing MYC-targeted cancer therapies through protein engineering.
Transcription
January 2025
Department of Chemistry, University of Toronto, Mississauga, ON, Canada.
Protein engineering has emerged as a powerful approach toward the development of novel therapeutics targeting the MYC/MAX/E-box network, an active driver of >70% of cancers. The MYC/MAX heterodimer regulates numerous genes in our cells by binding the Enhancer box (E-box) DNA site and activating the transcription of downstream genes. Traditional small molecules that inhibit MYC face significant limitations that include toxic effects, drug delivery challenges, and resistance.
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