Aihua Peng

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To overcome drug resistance caused by apoptosis deficiency in patients with non-small cell lung carcinoma (NSCLC), there is a need to identify other means of triggering apoptosis-independent cancer cell death. We are the first to report that isogambogenic acid (iso-GNA) can induce apoptosis-independent autophagic cell death in human NSCLC cells. Several(More)
Gambogic acid (GA) is in a phase II clinical trial as an antitumor and antiangiogenesis agent. In this study, 36 GA derivatives were synthesized and screened in a zebrafish model to evaluate their antiangiogenic activity and toxicity. Derivatives 4, 32, 35, 36 effectively suppressed the formation of newly grown blood vessels and showed lower toxicities than(More)
Dehydrosqualene synthase (CrtM) is a key enzyme in the synthesis of presqualene diphosphate in Staphylococcus aureus. In the current study, a combination of structure-based pharmacophore and 3D-QSAR methods are used to clarify the essential quantitative structure–activity relationship (QSAR) of known CrtM inhibitors; the multicomplex-based pharmacophore(More)
V-D-J rearrangement of the TCR-beta chain follows the 12/23 rule and the beyond 12/23 restriction. Currently, the proportion and characteristics of TCR-beta chain V-J rearrangement is unclear. We used high-throughput sequencing to compare and analyze TCR-beta chain V-J rearrangement and V-D-J rearrangement in the CDR3 repertoires of T cells from the PBMCs(More)
Diabetes mellitus, commonly characterized by hyperglycemia, is a group of metabolic diseases. Some oral anti-diabetic drugs show poor tolerability during chronic treatment, and associate with undesired side effects. Recent advances in the understanding of physiological functions of incretins and their degrading enzyme dipeptidyl peptidase DPP-IV have led to(More)
Mai Tong Fang (MTF), a Chinese herbal combination, has been used for the treatment of diabetic nephropathy in traditional medical clinics in China. However, the anti-adipogenic and anti-hyperglycemic effects of MTF have not been fully elucidated, so this study explored these pharmacological activities in 3T3-L1 adipocytes and ob/ob mice, respectively, of(More)
Eleven known caged polyprenylated xanthones 1-11 were isolated from the resin of Garcinia hanburyi Hook. f., and their structures were identified by their MS, NMR and UV spectra. These xanthones showed significant cytotoxicities against four human cancer cell lines (HeLa, A549, HCT-116, and HepG-2) and strong inhibition against the proliferation of the(More)
The Co(II) ion in the title complex, [Co(2)(C(4)H(5)O(2))(4)(C(15)H(13)N(5))(2)]·2H(2)O, has a distorted square-planar coordination formed by the bridging bidentate N,N'-di-4-pyridylpyrid-ine-2,6-diamine (dapmp) ligands and two monodentate carboxyl-ate groups from methacrylates. Two dapmp ligands bridge two Co atoms, forming a dinuclear complex arranged(More)
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