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A senescence -galactosidase assay was conducted using the senescence -galactosidase staining kit (Cell Signaling Technology, 9860) according to the manufacturers instructions, and then stained cells were imaged using a ZEISS Primovert inverted microscope (Carl Zeiss Microscopy)
The injections can be administered as frequently as every three to four days
That changed after chemist Bruce Merrifield developed solid-phase peptide synthesis, a breakthrough that earned him the Nobel Prize in 1984 and dramatically simplified production of these fragile biomolecules by allowing them to be built much more efficiently compared to purification
de, Leva, A
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