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What we do know is that by three and a half billion years ago the highly complicated molecule DNA had emerged. DNA is the basis of all life on earth. It has a double helix structure, like a spiral staircase.// Passage 15 几千年来我们中国人一直视筷...
Thebest type of creatine works in a way that gives good energy to the cells. It starts when creatine gets produced in the body or is consumed from external sources and gets combined with a phosphate molecule, which leads to the formation of creatine phosphate. Our source of energy is ATP ...
blocked with 5% normal human serum, and incubated with primary antibodies for occludin (2.5 μg/ml; rabbit polyclonal; catalogue no. 71-1500, Thermo Fisher, USA) and the endothelial marker platelet endothelial cell adhesion molecule 1 (PECAM-1) (2.5 μg/ml; mouse monoclonal; catalogue no. ...
cell viability to mesenchymal stem cells. The nanofibrous aerogels were further functionalized by SNF-mediated biomineralization, showing their possible as a bone-mimicking scaffold. Our results show the possibility of natural nanostructured silks in the field of biomaterials and supply a feasible ...
The secreted, hemolymph form of the enzyme is a large molecule, likely a hexamer, consisting of 44-kDa subunits. The deduced amino acid sequence of this 44-kDa precursor shares high similarity with cathepsin B but not with other mammalian cathepsins. We have named this mosquito enzyme vitello...
The crowded interior of a living cell makes performing experiments on simpler in vitro systems attractive. Although these reveal interesting phenomena, their biological relevance can be questionable. A topical example is the phase separation of intrinsic
This original cell was likely little more than a sac of small organic molecules and RNA-like material that had both informational and catalytic functions. Over time, the more stable DNA molecule evolved to take over the information storage function, whereas proteins, with a greater variety of ...
In line with this, we have recently demonstrated that a switch in adipose tissue metabolism towards glycolysis induced by a carbon monoxide-releasing molecule (CORM-401) reduces body weight gain and improves insulin resistance in HFD-fed mice [2]. In addition, stimulation of brown-like features ...