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It is with extreme sadness that we announce the passing of Shawn (Slick) Lawlor, after a battle with Covid pneumonia. He was born March 7,1966, in Logan, Utah, to his ....
Low-dose mRNA-1273 COVID-19 vaccine generates durable memory enhanced by cross-reactive T cells science.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from science.org Daily Mail and Mail on Sunday newspapers.
http://www.mircode.org/) were used to identify the potential binding sequences of miR-140-5p and LINC00504. SKBR3 and MDA-MB-231 cells were seeded in 24-well plates. The cells were cotransfected with miR-140-5p or microRNA NC and luciferase reporter constructs containing WT-LIC00504 or Mut-LINC00504, as previously described. 13 The luciferase activity was detected using a Dual Luciferase Reporter Gene Assay Kit (RG027, Beyotime Institute of Biotechnology, Shanghai, China), according to the manufacturer’s protocol. Mutations in the putative binding sites of LINC00504 were made using a Quick-change site-directed mutagenesis kit (200518, Agilent Technologies, Santa Clara, USA). The primers were as follows: LINC00504, Forward primer: 5ʹ-GTGACTCGAGCTTGCCTCTGCCATGT-3ʹ, Reverse primer: 5ʹ-GTGAGCGGCCGCTTTCAGAGTGAAACAATACTT-3ʹ; Mut-LINC00504, Forward primer: 5`-GGATTACAGGCGTGAGGGTGAC-3`; and Reverse primer: 5`-GTCACCCTCACGCCTGTAATCC-3`. ....
Abstract Despite the remarkable advances in therapeutics for rheumatoid arthritis (RA), a large number of patients still lack effective countermeasures. Recently, the reprogramming of macrophages to an immunoregulatory phenotype has emerged as a promising therapeutic strategy for RA. Here, we report metabolically engineered exosomes that have been surface-modified for the targeted reprogramming of macrophages. Qualified exosomes were readily harvested from metabolically engineered stem cells by tangential flow filtration at a high yield while maintaining their innate immunomodulatory components. When systemically administered into mice with collagen-induced arthritis, these exosomes effectively accumulated in the inflamed joints, inducing a cascade of anti-inflammatory events via macrophage phenotype regulation. The level of therapeutic efficacy obtained with bare exosomes was achievable with the engineered exosomes of 10 times less dose. On the basis of the boosted nature to ....