The American journal of Chinese medicine
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Oxidative stress is an important contributor to the pathogenesis of Alzheimer's disease (AD). The overproduction of reactive oxygen species observed in AD patients results in the loss of mitochondrial function, altered metal ion homeostasis, lipopolysaccharide metabolism disorder, reduced anti-oxidant defense, increased release of inflammatory factors, and the aggravation and accumulation of amyloid-beta and tau hyper-phosphorylation, which directly cause synaptic and neuronal loss and lead to cognitive dysfunction. Thus, oxidative stress proves to be a fundamental part of AD development and progression, suggesting the potential benefits of anti-oxidant-based therapies for AD. ⋯ Obtained results revealed key genes (such as AKT1, BCL2, IL-6, TNF-[Formula: see text] and BAX) and signaling pathways (like PI3K-AKT and BCL2/BAX) are closely associated with the biological processes responding to oxidative stress. Further verification of the survival/anti-oxidant effects of WSEAA in vitro and in vivo showed that the extract has anti-oxidatant/neuronal survival action against H2O2-induced damage, and is thus able to prevent the cognitive decline and pathological changes of 3xTg transgenic (3xTg) mice via the regulation of key target-genes and pathways, such as PI3K-AKT and BCL2/BAX, related to survival/apoptosis. Our findings strongly indicate the potential of WSEAA for the prevention and treatment of AD.
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Dihydroartemisinin (DHA) has anticancer effects on multiple tumors, including those associated with breast cancer. This study aimed to investigate the mechanism causing DHA-reversing cisplatin (DDP) resistance in breast cancer. Relative mRNA and protein levels were tested using a qRT-PCR and western blot assay. ⋯ DDA1 knockdown inhibited cyclin expression, promoted G0/G1 phase arrest, restrained cell proliferation, and induced apoptosis of DDP-resistant cells. Furthermore, knockdown of STAT3 restrained proliferation and induced apoptosis and G0/G1 cell cycle arrest of DDP-resistant cells by targeting DDA1. DHA could restrain tumor proliferation of breast cancer via enhancing drug sensitivity of DDP-resistant cells through the STAT3/DDA1 signaling pathway.
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Breast cancer is one of the most common malignancies in women, and exhibits high metastasis, recurrence and fatality rates. Novel therapies for breast cancer are constantly emerging, such as targeted therapy, oncolytic virotherapy, and immunotherapy. Despite their potential, these new therapies are still in their infancy, and chemotherapy remains the standard treatment for breast cancer. ⋯ Additionally, senescence, autophagy, angiogenesis, and glycolysis mechanisms were observed to play a role in their antibreast cancer activity. Furthermore, multiple signaling pathways contributed to the antitumor effects of S. baicalensi, such as the NF-[Formula: see text]B, Wnt/[Formula: see text]-catenin, SATB1, Bcl2 family proteins, Caspase, PI3K/Akt, mTOR, ERK, p38-MAPK, TGF-[Formula: see text]/Smad, and Hippo/YAP pathways. This review provides valuable insights into the role of S. baicalensis as a breast cancer treatment and acts as a foundation for further investigations in this field.
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Traditional Chinese medicine (TCM) has a history of over 2000 years in treating infectious diseases, among which the clinical treatment of the common cold (colds) and influenza (flu) is the most widespread and well-established. It is difficult to tell the difference between a cold and the flu based on the symptoms alone. The flu vaccine protects against influenza, but there is no vaccine or specific medication to protect against the common cold. ⋯ However, more high-quality, large-scale randomized controlled trials should be conducted in the future for further verification. Pharmacological studies have shown that active ingredients extracted from TCM for treating colds have antiviral, anti-inflammatory, immune-regulating, and anti-oxidative properties. We expect that this review will guide the optimization and rationalization of TCM clinical practice and scientific research in the treatment of colds.
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Developing effective and safe lipid-lowering drugs is highly urgent. This study aims to investigate the effectiveness and underlying mechanisms of Gynostemma pentaphyllum (GP) in the treatment of hyperlipidemia. First, a meta-analysis was performed to determine the lipid-lowering effects of GP. ⋯ Animal experiments revealed that GPE administration significantly reduced body weight, ameliorated high blood lipid levels, limited lipid deposition, and improved insulin resistance. Furthermore, GPE treatment markedly changed the intestinal microbiota structure and constitution of tryptophan metabolites. In conclusion, our results confirm the lipid-lowering effect of GP, which may be partly attributable to regulation of the intestinal microbiota and tryptophan metabolism.