Publications by authors named "Ziqing Ma"

Introduction: Selenium nanoparticles (SeNPs) are recently emerging as promising anticancer agents because of their high bioavailability, low toxicity and remarkable anticancer activities. However, the application of SeNPs in anticancer has been limited due to instability. Herein, Capsaicin (Cap), a natural active compound found in chili peppers with favorable anticancer activity, was modified with SeNPs to prepare Cap-decorated SeNPs (Cap@SeNPs), and the antiproliferative effect and mechanism of Cap@SeNPs in HepG2 were investigated.

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Oxygen vacancy engineering in transition metal oxides is an effective strategy for improving catalytic performance. Herein, defect-enriched MnO catalysts were constructed by controlling the calcination temperature. The high content of oxygen vacancies and accompanying Mn ions were generated in MnO catalysts calcined at low temperature, which could greatly improve the low-temperature reducibility and migration of surface oxygen species.

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Gliomas are highly vascularized malignancies, but current anti-angiogenic treatments have not demonstrated practical improvements in patient survival. Studies have suggested that glioma-derived endothelial cell (GdEC) formed by glioma stem cell (GSC) differentiation may contribute to the failure of this treatment. However, the molecular mechanisms involved in GSC endothelial differentiation remain poorly understood.

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Unlabelled: Glioma is a highly vascularized tumor of the central nervous system. Angiogenesis plays a predominant role in glioma progression and is considered an important therapeutic target. Our previous study showed that vasorin (VASN), a transmembrane protein, is overexpressed in glioma and promotes angiogenesis; however, the potential mechanism remains unclear.

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RAD5B belongs to the Rad5/16-like group of the SNF2 family, which often functions in chromatin remodelling. However, whether RAD5B is involved in chromatin remodelling, histone modification, and drought stress tolerance is largely unclear. We identified a drought-inducible chromatin remodeler, MdRAD5B, which positively regulates apple drought tolerance.

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Heat stress, which is caused by global warming, threatens crops yield and quality across the world. As a kind of post-translation modification, SUMOylation involves in plants heat stress response with a rapid and wide pattern. Here, we identified small ubiquitin modifiers (SUMO), which affect drought tolerance in apple, also participated in thermotolerance.

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Apple ([Formula: see text]) is a popular temperate fruit crop worldwide. However, its growth, productivity, and quality are often adversely affected by abiotic stresses such as drought, extreme temperature, and high salinity. Due to the long juvenile phase and highly heterozygous genome, the conventional breeding approaches for stress-tolerant cultivars are time-consuming and resource-intensive.

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Article Synopsis
  • SUMOylation plays a significant role in plant responses to drought stress, with a complex interaction between SUMOylation and ubiquitination yet to be fully understood.
  • In an experiment with apple plants, both increased and decreased SUMOylation improved drought tolerance, with transgenic plants overexpressing MdSUMO2A and those with MdSUMO2 RNAi showing enhanced survival rates.
  • The study identified MdDREB2A as a key target of MdSUMO2, where SUMOylated MdDREB2A gets ubiquitinated by MdRNF4, ultimately leading to its degradation during drought conditions and highlighting the interconnected regulatory mechanisms governing drought stress responses.
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As RNA chaperones, cold shock proteins (CSPs) are essential for cold adaptation. Although the functions of CSPs in cold response have been demonstrated in several species, the roles of CSPs in response to drought are largely unknown. Here, we demonstrated that MdCSP3, a downstream target gene of MdMYB88 and MdMYB124, contributes to drought tolerance in apple (Malus × domestica).

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The current study analyzes the contribution of 10 water quality parameters (including pH, turbidity, conductivity, total dissolved solids (TDS), hardness, total organic carbon (TOC), alkalinity, calcium ions, chlorides and sulfates) to corrosion extent of stainless steel valves taken from different locations in a reverse osmosis system of a reclaimed water plant. The valves were in service for 5 years. Raman spectroscopy and X-ray photoelectron spectroscopy analyses are conducted to quantify corrosion products on different valves under various water quality conditions.

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