The National Institutes of Health (NIH) is offering a funding opportunity for the Limited Competition: Mutant Mouse Resource and Research Centers (U42 Clinical Trial Not Allowed), aimed at supporting the advancement of mutant mouse strains essential for biomedical research. This initiative seeks to establish up to four regional Mutant Mouse Resource and Research Centers (MMRRCs) that will provide critical services such as breeding, genetic analysis, and cryopreservation of genetically engineered mouse models to qualified biomedical investigators. The program emphasizes high standards of quality control and aims to enhance scientific rigor and reproducibility in research, aligning with NIH's broader public health objectives. Applications will open on April 1, 2024, with a submission deadline of September 1, 2024, and interested applicants can find more information at NIH Grants or contact NIH Grants Information at grantsinfo@nih.gov for further inquiries.