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Jon's Blog

		Post date
Transcriptional adaptation	On the mechanism behind many differing phenotypes of morphants and mutants. Sztal TE, Stainier DYR. Transcriptional adaptation: a mechanism underlying genetic robustness. Development. 2020 Aug 14;147(15):dev186452. doi: 10.1242/dev.186452. https://dev.biologists.org/content/147/15/dev186452	Wednesday, September 16, 2020 - 10:48
Specificity test failed: Morpholino in a mutant	This paper presents an example of a Morpholino off-target effect shown by testing the Morpholino in a CRISPR mutants. Jiang Z, Carlantoni C, Allanki S, Ebersberger I, Stainier DYR. Tek/Tie2 is not required for cardiovascular development in zebrafish. Development. 2020 Sep 14:dev.193029. doi: 10.1242/dev.193029. Online ahead of print. https://dev.biologists.org/content/early/2020/09/12/dev.193029	Wednesday, September 16, 2020 - 08:44
(Paper) Modified nucleic acids: replication, evolution, and next-generation therapeutics	Overview of nucleic acid analogs, including which are approved as drugs. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7469316/	Monday, September 14, 2020 - 13:10
Review: Therapeutic Strategies for Duchenne Muscular Dystrophy	Sun C, Shen L, Zhang Z, Xie X. Therapeutic Strategies for Duchenne Muscular Dystrophy: An Update. Genes. 2020;11:837. doi:10.3390/genes11080837 Open-access review article https://www.mdpi.com/2073-4425/11/8/837	Thursday, July 23, 2020 - 10:49
Targeting alternative splicing to upregulate protein expression	Potential application in antisense therapeutics: upregulation of targeted protein expression Here is a new paper demonstrating techniques for targeting steric-blocking antisense oligos to alternatively-spliced transcripts undergoing NMD to alter the splicing and recover transcripts encoding useful proteins. This is a technique for antisense upregulation of a protein activity.	Thursday, July 9, 2020 - 13:45
Clinical antisense review (2020)	Clinical antisense review Dhuri K, Bechtold C, Quijano E, Pham H, Gupta A, Vikram A, Bahal R. Antisense Oligonucleotides: An Emerging Area in Drug Discovery and Development. J Clin Med. 2020;9(6):2004. doi:10.3390/jcm9062004 https://www.mdpi.com/2077-0383/9/6/2004	Friday, June 26, 2020 - 12:18
Retention of the last intron	Here are a few publications addressing Morpholinos and retention of the last intron. See the section: Retention of wnt11b Intron 4 Recapitulates the Failure to Form Somites in tra2b Morphants Dichmann DS, Walentek P, Harland RM. The Alternative Splicing Regulator Tra2b Is Required for Somitogenesis and Regulates Splicing of an Inhibitory Wnt11b Isoform. Cell Rep. 2015 Jan 21. pii: S2211-1247(14)01099-7. doi: 10.1016/j.celrep.2014.12.046. [Epub ahead of print]. http://www.ncbi.nlm.nih.gov/pubmed/25620705	Wednesday, May 6, 2020 - 09:43
Presentations/posters from the 2020 MDA conference involving Morpholinos	Long-term Safety & Efficacy of Golodirsen in Male Patients with Duchenne Muscular Dystrophy (DMD) Amenable to Exon 53 Skipping https://mdaconference.org/node/936 PMO-based miRNA site blocking oligo (SBO) mediated utrophin upregulation in mdx mice, a therapeutic approach for Duchenne Muscular Dystrophy (DMD) https://mdaconference.org/node/1000	Thursday, March 26, 2020 - 16:00
Viltepso (Morpholino drug) approved for DMD in Japan	Nippon Shinyaku has received marketing approval in Japan for Viltepso, a Morpholino targeting human dystrophin exon 53 for treatment of some mutations causing Duchenne muscular dystrophy. https://www.nippon-shinyaku.co.jp/file/download.php?file_id=2965	Wednesday, March 25, 2020 - 09:44
Report of compensation in mutants	Genetic Compensation of γ CaMKII, an Evolutionarily Conserved Gene. Rothschild SC, Ingram SR, Lu FI, Thisse B, Thisse C, Parkerson JA, Tombes RM. Gene. 2020 Mar 9:144567. doi: 10.1016/j.gene.2020.144567. [Epub ahead of print] https://www.sciencedirect.com/science/article/abs/pii/S0378111920302365	Monday, March 16, 2020 - 09:51

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