Feb. 3, 2025 — Maternal vitamin D levels in the first trimester were related to both prenatal growth and pregnancy outcomes, according to a new study. Low vitamin D levels during the first ...

反刍动物瘤胃中氨的生成速度快，氨同化的速度慢，这导致氨很容易在瘤胃中累积。若瘤胃氨浓度过高，部分过量的氨被运输至肝脏，通过鸟氨酸-尿素循环再次转化为尿素排出体外，不仅降低了氨利用效率［10］，还可能造成反刍动物氨中毒［3, ...

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Although the CB1 receptor is structurally similar to the µ-opioid receptor because they are both GPCRs, its D 2.50 site is deeply buried inside and is therefore inaccessible to ligands.

综合上述研究结果，研究人员发现恩格列净可以通过减弱肾脏和脂肪组织中的 AGE - RAGE - ROS（活性氧）轴，改善肥胖型 2 型糖尿病小鼠的肾脏和代谢紊乱。血清 MG - H1 水平可能是 2 型糖尿病肾脏和代谢紊乱的生物标志物。这一研究结果为 SGLT2i ...

Then, the number of all bacteria with a C-D Raman band (around 2,170 cm –1) was subsequently obtained, which equaled the number of live bacteria in the sampling area. In the end, the initial bacterial ...

近日，杭州师范大学基础医学院郭瑞庭教授团队联合中国科学院天津工业生物技术研究所高书山研究员团队，采用单颗粒冷冻电镜技术在麦角生物碱生物合成关键酶EasC研究上取得新突破。

Chronic exposure to hyperglycemia can lead to cellular dysfunction that may become irreversible over time, a process that is termed glucose toxicity. Our perspective about glucose toxicity as it ...