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Percutaneous nephrolithotomy (PCNL) is the gold standard treatment of large and staghorn kidney stones. Despite technological progress and improvement of PCNL technique, this procedure is associated with complications and in some cases remain a challenge for endourologists. According to the time, complications can be divided into intra- and postoperative. Intraoperative complications include bleeding, injury of the renal collecting system, visceral organs, pulmonary complications, thromboembolic disorders, extrarenal migration of the st

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Cerebroprotein hydrolysate-I (CH-I)，a mixture of peptides extracted from porcine brain tissue，has shown a neuroprotective effect, but its role in brain senescence is unclear. In the present study, we established a senescence model of PC12 cells and mice to investigate the effect of CH-I on brain senescence via JAK2/STAT3 pathway. The results showed that CH-I could improve cell viability, inhibit the apoptosis of cells, and reduce the senescence-positive cells induced by D-galactose. In vivo, CH-I improved the learning abili