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Genetic Diversity of 1,845 Rhesus Macaques Improves Genetic Variation Interpretation and Identifies Disease Models

Wang et al., Nature Communications. 2024.

https://www.nature.com/articles/s41467-024-49922-6

Nonhuman primates are ideal models for certain human diseases, including retinal and neurodevelopmental disorders. Using a reverse genetics approach, researchers profiled the genetic diversity of rhesus macaque populations across eight primate research centers in the United States and uncovered rhesus macaques carrying naturally occurring pathogenic mutations. They identified more than 47,000 single-nucleotide variants in 374 genes that had been previously linked with retinal and neurodevelopmental disorders in humans. These newly identified variants can be used to study human disease pathology and to test novel treatments. Supported by ORIP (P51OD011107, P51OD011106, P40OD012217, S10OD032189), NEI, NIAID, and NIMH.

Neutralizing Antibody Response to SARS‐CoV‐2 Bivalent mRNA Vaccine in SIV‐Infected Rhesus Macaques: Enhanced Immunity to XBB Subvariants by Two‐Dose Vaccination

Faraone, Journal of Medical Virology. 2024.

https://pubmed.ncbi.nlm.nih.gov/38528837/

Researchers have shown that mRNA vaccination is less effective for people with advanced or untreated HIV infection, but data on the efficacy of mRNA vaccination against SARS-CoV-2 in this population are limited. Using rhesus macaques (sex not specified) with simian immunodeficiency virus (SIV), investigators examined the neutralizing antibody (nAb) response to SARS-CoV-2 vaccination. They found that administration of the bivalent vaccine alone can generate robust nAb titers against Omicron subvariants. Additionally, dams that received antiretroviral therapy had lower nAb titers than untreated dams. Overall, these findings highlight the need for further investigations into the nAb response in people with HIV. Supported by ORIP (P51OD011104), NCI, NIAID, NICHD, and NIMH.