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WHO Expands Prequalification Assessment for TB Molecular Test Developers

NEW YORK – The World Health Organization on Tuesday expanded an invitation for tuberculosis molecular diagnostic prequalification assessment to include manufacturers of qualitative assays. The eligibility expansion will become effective on Sept. 22, 2022.

Prequalification of in vitro diagnostic medical devices involves a comprehensive quality assessment of products through a standardized procedure, WHO said in a statement. The assessment is coordinated through the WHO Prequalification Unit and focuses on IVDs for priority diseases and their suitability for use in resource-limited settings.

In a document, the WHO invited manufacturers of in vitro diagnostic medical devices used for the qualitative detection of Mycobacterium tuberculosis complex DNA and mutations associated with drug-resistant tuberculosis to send a pre-submission form. The WHO will also hold a virtual workshop to describe the application process on Sept. 21.

The Scan

Cystatin C Plays Role in Immunosuppression, Cancer Immunotherapy Failure, Study Finds

A study in Cell Genomics provides insight into how glucocorticoids can lead to cancer immunotherapy failure via cystatin C production.

Aging, Species Lifespan Gene Expression Signatures Overlap

An Osaka Metropolitan University team reports in Nucleic Acids Research that transcriptional signatures of aging and maximum lifespan have similarities.

Splicing Subgroup Provides Protocols for Evaluating Splicing Variant Data

The group presents their approach on how to apply evidence codes to splicing predictions and other data in the American Journal of Human Genetics.

Single-Cell Transcriptomic Atlas of Mouse Cochlea to Aid Treatment Development

Researchers in PNAS conducted single-cell and single-nuclear sequencing of about 120,000 cells at three key timepoints in cochlear development to generate a transcriptomic atlas.