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When plants are exposed to drought, salt stress, low temperature, high temperature, heavy metals, or oxidative stress, GABA, proline, soluble sugars, and the antioxidant system jointly participate in osmotic regulation, carbon-nitrogen allocation, ROS scavenging, and cellular homeostasis ...
更新于 2026年7月阅读12分钟
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植物遭受干旱、盐胁迫、低温、高温、重金属或氧化胁迫时,GABA、脯氨酸、可溶性糖和抗氧化系统会共同参与渗透调节、碳氮分配、ROS清除和细胞稳态维持。逆境代谢网络分析不应只比较单一指标升降,而应将渗透保护物质、抗氧化酶活、氧化损伤标志物和还原力状态联合判读。 ...
更新于 2026年7月阅读12分钟
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The core of selenoprotein research is to clarify how redox reactions involving selenocysteine affect antioxidant defense, mitochondrial homeostasis, inflammatory responses, and cell death. Combined detection of selenoproteins such as GPX, TXNRD, and SELENOP with SOD, CAT, PRDX, GSH/GSSG, ROS, ...
更新于 2026年7月阅读12分钟
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硒蛋白研究的核心,是解析硒代半胱氨酸参与的氧化还原反应如何影响抗氧化防御、线粒体稳态、炎症应答和细胞死亡。GPX、TXNRD、SELENOP等硒蛋白与SOD、CAT、PRDX、GSH/GSSG、ROS和脂质过氧化指标联合检测,可更完整地评价氧化应激状态。 ...
更新于 2026年7月阅读12分钟
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Oxidative stress research has shifted from the concept of “ROS excess causing damage” toward “precise regulation of redox signaling.” ROS can damage proteins, lipids, and DNA, but they can also participate in cell fate regulation, metabolic reprogramming, immune escape, and disease progression ...
更新于 2026年7月阅读12分钟
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氧化应激研究已从“ROS过量导致损伤”转向“氧化还原信号精准调控”。ROS既可损伤蛋白、脂质和DNA,也可通过半胱氨酸氧化、转录因子激活、非编码RNA调控和表观遗传重塑参与细胞命运、代谢重编程、免疫逃逸和疾病进展。
更新于 2026年7月阅读12分钟
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Oxidative stress and mitochondrial dysfunction are not two independent events, but rather a continuous process driven by the mutual reinforcement of reactive oxygen species accumulation, membrane-potential fluctuation, mitochondrial permeability transition pore opening, and calcium-homeostasis ...
更新于 2026年4月阅读12分钟
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氧化应激与线粒体功能异常并不是彼此独立的两类事件,而是由活性氧累积、膜电位波动、线粒体通透性转换孔开放及钙稳态失衡相互推动的连续过程。
更新于 2026年4月阅读12分钟
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细胞代谢酶并非仅承担“底物转产物”的化学转换任务,其在能量供给、氧化还原稳态与信号转导之间形成高度耦合的功能体系:通量变化决定ATP与还原当量供给,氧化还原状态反向约束关键反应方向与酶活,代谢物与酶本体又可进入信号网络并塑造转录、翻译后修饰与细胞命运。 ...
更新于 2026年3月阅读12分钟
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Cellular metabolic enzymes are not merely responsible for the chemical conversion of “substrate to product”; they form a highly coupled functional system spanning energy supply, redox homeostasis, and signal transduction.
更新于 2026年3月阅读12分钟
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Coelenterazine (Coelenterazine, CTZ, CAS 55779-48-1) is a representative marine luciferin that is widely used as the substrate and light-emitting chromophore for multiple marine luciferases and the jellyfish photoprotein (Aequorin). By tuning spectral position, emission intensity, reaction ...
更新于 2026年3月阅读12分钟
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腔肠素(Coelenterazine,CTZ,CAS ...
更新于 2026年3月阅读12分钟
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In 1998, the field of medical science marked a major milestone when Robert F. Furchgott, Louis J. Ignarro, and Ferid Murad were awarded the Nobel Prize in Physiology or Medicine for uncovering the role of nitric oxide (NO) as a key signaling molecule in the cardiovascular system. This ...
更新于 2024年5月阅读12分钟
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在1998年,医学科学领域迎来了一个重要的里程碑,Robert F. Furchgott、Louis J. Ignarro和Ferid ...
更新于 2024年5月阅读12分钟