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1.
Cornea ; 40(12): 1639-1643, 2021 Dec 01.
Article in English | MEDLINE | ID: mdl-34173369

ABSTRACT

PURPOSE: Proctored surgical instruction has traditionally been taught through in-person interactions in either the operating room or an improvised wet lab. Because of the COVID-19 pandemic, live in-person instruction was not feasible owing to social distancing protocols, so a virtual wet lab (VWL) was proposed and implemented. The purpose of this article is to describe our experience with a VWL as a Descemet membrane endothelial keratoplasty (DMEK) skills-transfer course. This is the first time that a VWL environment has been described for the instruction of ophthalmic surgery. METHODS: Thirteen participant surgeons took part in VWLs designed for DMEK skills transfer in September and October 2020. A smartphone camera adapter and a video conference software platform were the unique media for the VWL. After a didactic session, participants were divided into breakout rooms where their surgical scope view was broadcast live, allowing instructors to virtually proctor their participants in real time. Participants were surveyed to assess their satisfaction with the course. RESULTS: All (100%) participants successfully injected and unfolded their DMEK grafts. Ten of the 13 participants completed the survey. Respondents rated the experience highly favorably. CONCLUSIONS: With the use of readily available technology, VWLs can be successfully implemented in lieu of in-person skills-transfer courses. Further development catering to the needs of the participant might allow VWLs to serve as a viable option of surgical education, currently limited by geographical and social distancing boundaries.


Subject(s)
Descemet Stripping Endothelial Keratoplasty/education , Photography/instrumentation , SARS-CoV-2 , Smartphone/instrumentation , Video-Assisted Surgery/education , Videoconferencing/instrumentation , COVID-19/epidemiology , Computer Systems , Humans , Ophthalmologists/education , Software , Surveys and Questionnaires , User-Computer Interface
2.
G3 (Bethesda) ; 11(1)2021 01 18.
Article in English | MEDLINE | ID: mdl-33561224

ABSTRACT

In cats, mutations in myosin binding protein C (encoded by the MYBPC3 gene) have been associated with hypertrophic cardiomyopathy (HCM). However, the molecular mechanisms linking these mutations to HCM remain unknown. Here, we establish Drosophila melanogaster as a model to understand this connection by generating flies harboring MYBPC3 missense mutations (A31P and R820W) associated with feline HCM. The A31P and R820W flies displayed cardiovascular defects in their heart rates and exercise endurance. We used RNA-seq to determine which processes are misregulated in the presence of mutant MYBPC3 alleles. Transcriptome analysis revealed significant downregulation of genes encoding small nucleolar RNA (snoRNAs) in exercised female flies harboring the mutant alleles compared to flies that harbor the wild-type allele. Other processes that were affected included the unfolded protein response and immune/defense responses. These data show that mutant MYBPC3 proteins have widespread effects on the transcriptome of co-regulated genes. Transcriptionally differentially expressed genes are also candidate genes for future evaluation as genetic modifiers of HCM as well as candidate genes for genotype by exercise environment interaction effects on the manifestation of HCM; in cats as well as humans.


Subject(s)
Cardiomyopathy, Hypertrophic , Carrier Proteins/genetics , Heat-Shock Proteins/genetics , RNA, Small Nucleolar , Animals , Cardiomyopathy, Hypertrophic/genetics , Cats , Disease Models, Animal , Drosophila , Drosophila melanogaster , Female , Mutation , RNA, Small Nucleolar/genetics
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