Clinical Utility of CRISPR-Based RID-MyC Assay in Smear and Culture-Negative Fungal Keratitis: A Case Series Article Swipe
YOU?
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· 2025
· Open Access
·
· DOI: https://doi.org/10.1097/ico.0000000000003808
Purpose: To assess the clinical utility of the clustered regularly interspaced short palindromic repeats/Cas12a-based RID-MyC assay in diagnosing fungal keratitis (FK) in cases where conventional smear and culture methods fail to identify the causative pathogen. Methods: This retrospective case series included 5 patients with clinically suspected FK and negative smear and culture results who were evaluated in the Cornea Department at Aravind Eye Hospital, Coimbatore, India, between January 1, 2024, and March 31, 2024. The primary outcome was the diagnostic performance of the RID-MyC assay in detecting fungal nucleic acids in cases of suspected FK with negative smear and culture results. In vivo confocal microscopy served as a reference standard to validate the RID-MyC assay findings. Results: The RID-MyC assay successfully detected fungal nucleic acids in 3 cases, corroborated by in vivo confocal microscopy findings suggestive of fungal filaments, leading to targeted antifungal therapy and resolution of the infections. In addition, 2 cases tested negative for fungal nucleic acids, aligning with clinical and confocal evidence of nonfungal etiology, thus guiding appropriate alternative treatments that led to clinical improvement. Conclusions: The RID-MyC assay demonstrates clinical utility in diagnosing FK in scenarios where conventional smear and culture methods prove inadequate, such as in cases with prior antifungal therapy or polymicrobial infections. This assay facilitates accurate diagnosis and timely initiation of appropriate antifungal treatment without the need for sophisticated equipment or expertise, making it particularly valuable in resource-limited settings.
Related Topics
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1097/ico.0000000000003808
- OA Status
- green
- References
- 7
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4407084273
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4407084273Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1097/ico.0000000000003808Digital Object Identifier
- Title
-
Clinical Utility of CRISPR-Based RID-MyC Assay in Smear and Culture-Negative Fungal Keratitis: A Case SeriesWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2025Year of publication
- Publication date
-
2025-02-03Full publication date if available
- Authors
-
Hanith Raj Deivarajan, D. Abiya Chelliah, P.K. Ramkumar, Dharsini Nandhakumar, Binila Chacko, Anita Raghavan, Jaishree Pandian, Lalitha Prajna, Venkatesh N. Prajna, Siddharth NarendranList of authors in order
- Landing page
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https://doi.org/10.1097/ico.0000000000003808Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
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greenOpen access status per OpenAlex
- OA URL
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https://www.ncbi.nlm.nih.gov/pmc/articles/12124203Direct OA link when available
- Concepts
-
Fungal keratitis, Series (stratigraphy), Keratitis, Microbiology, Medicine, Biology, Dermatology, PaleontologyTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
- References (count)
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7Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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