ArticleForensic science, medicine, and pathology2025
Saliva identification by RT-LAMP integrated with CRISPR-Cas and LFA.
Article in Forensic science, medicine, and pathology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Saliva is a frequently encountered body fluid at crime scenes, however currently there are no definite means to rapidly identify a body fluid as being saliva. In this study, a novel detection method for saliva using a modified Loop-mediated Isothermal Amplification (LAMP) integrated with CRISPR-Cas (Clustered Regularly Interspaced Short Palindromic Repeat-CRISPR associated protein) and LFA (Lateral Flow Assay) was developed to detect the expression of a saliva-specific gene: follicular dendric cell secreted protein (FDCSP). To determine the specificity of the assay, RNA from saliva plus other commonly encountered body fluids was tested (peripheral blood, semen, vaginal fluid, and menstrual blood): positive results were only observed from RNA extracted from known saliva samples and RNA from all the other body fluids exhibited a negative result. To assess the reproducibility, triplicates were used from one saliva sample, and the assay was performed on three different days: positive results were observed from all triplicates. The limit of detection was 2
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