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Single-nucleus spatial transcriptomic RNA-seq in the dlPFC of macaque

ABSTRACT: We performed high-throughput snRNA-seq and spatial transcriptomic RNA-seq on dorsolateral prefrontal cortex (BA9) tissue in Macaca fascicularis to identify cell-type specific differentially expressed genes. The macaques include depressive-like, healthy control and resilient individuals.

ORGANISM(S): Macaca fascicularis

PROVIDER: GSE201687 | GEO | 2023/05/06

REPOSITORIES: GEO

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Project description:Non-human primates are the animals closest to humans for use in influenza A virus challenge studies, in terms of their phylogenetic relatedness, physiology and immune systems. Previous studies have shown that cynomolgus macaques (Macaca fascicularis) are permissive for infection with H1N1pdm influenza virus. These studies have typically used combined challenge routes, with the majority being intra-tracheal delivery, and high doses of virus (> 107 infectious units). This paper describes the outcome of novel challenge routes (inhaled aerosol, intra-nasal instillation) and low to moderate doses (103 to 106 plaque forming units) of H1N1pdm virus in cynomolgus macaques. All 4 challenge groups showed sero-conversion and evidence of virus replication, although the disease was sub-clinical. Intra-nasal challenge led to an infection confined to the nasal cavity. A low dose (103 plaque forming units) did not lead to detectable infectious virus shedding, but a 1000-fold higher dose led to virus shedding in all intra-nasal challenged animals. In contrast, aerosol and intra-tracheal challenge routes led to infections throughout the respiratory tract, although shedding from the nasal cavity was less reproducible between animals compared to the high-dose intra-nasal challenge group. Intra-tracheal and aerosol challenges induced a transient lymphopaenia, similar to that observed in influenza-infected humans, and greater virus-specific cellular immune responses in the blood were observed in these groups in comparison to the intra-nasal challenge groups. Activation of lung macrophages and innate immune response genes were detected at days 5 to 7 post-challenge. The kinetics of infection, both virological and immunological, were broadly in line with human influenza A virus infections. These more authentic infection models should be valuable in the determination of anti-influenza efficacy of novel entities against less severe (and thus more common) influenza infections.

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Single-nucleus spatial transcriptomic RNA-seq in the dlPFC of macaque

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