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1篇 您的检索式：作者名="Janak L.Pathak"

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		题名	作者	年代	出处	被引量
	1	Dicalcium silicate-induced mitochondrial dysfunction and autophagy-mediated macrophagic inflammation promotes osteogenic differentiation of BMSCs显示文摘Dicalcium silicate(Ca_(2)SiO_(4),C_(2)S)has osteogenic potential but induces macrophagic inflammation.Mitochondrial function plays a vital role in macrophage polarization and macrophagic inflammation.The mitochondrial function of C_(2)S-treated macrophages is still unclear.This study hypothesized:(i)the C_(2)S modulates mitochondrial function and autophagy in macrophages to regulate macro-phagic inflammation,and(ii)C_(2)S-induced macrophagic inflammation regulates osteogenesis.We used RAW264.7 cells as a model of macrophage.The C_(2)S(75–150μg/ml)extract was used to analyze the macrophagic mitochondrial function and macrophagemediated effect on osteogenic differentiation of mouse bone marrow-derived mesenchymal stem cells(BMSCs).The results showed that C_(2)S extract(150μg/ml)induced TNF-α,IL-1βand IL-6 production in macrophages.C_(2)S extract(150μg/ml)enhanced reactive oxygen species level and intracellular calcium level but reduced mitochondrial membrane potential and ATP production.TEM images showed reduced mitochondrial abundance and altered the mitochondrial morphology in C_(2)S(150μg/ml)-treated macrophages.Protein level expression of PINK1,Parkin,Beclin1 and LC3 was upregulated but TOMM20 was downregulated.mRNA sequencing and KEGG analysis showed that C_(2)S-induced differentially expressed mRNAs in macrophages were mainly distributed in the essential signaling pathways involved in mitochondrial function and autophagy.The conditioned medium from C_(2)S-treated macrophage robustly promoted osteogenic differentiation in BMSCs.In conclusion,our results indicate mitochondrial dysfunction and autophagy as the possible mechanism of C_(2)S-induced macrophagic inflammation.The promotion of osteogenic differentiation of BMSCs by the C_(2)S-induced macrophagic inflammation suggests the potential application of C_(2)S in developing immunomodulatory bone grafts.	Qianting Luo Xingyang Li Wenchao Zhong Wei Cao Mingjing Zhu Antong Wu Wanyi Chen Zhitong Ye Qiao Han Duraipandy Natarajan Janak L.Pathak Qingbin Zhang	2022	Regenerative Biomaterials2022，9，1：	0

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