P. Longmire at #IHW2023 showed their data on #HCMV UL138 activation on #USP1. They recently published its activity on #STAT1 https://t.co/idNfQjmlPt but today he showed that this pathway also acts on PCNA de-Ubiquitination, potentially restricting viral DNA replication.
Human cytomegalovirus UL138 interaction with USP1 activates STAT1 in infection.
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Feb 2023 – Oct 2023Where it's discussed
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X / Twitter5 posts
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YouTube1 videos
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What people are saying
The posts largely focus on the scientific importance of UL138's interaction with USP1 and its role in activating STAT1, with mentions of related functions like DNA repair and immune responses, highlighting a detailed and interested engagement. The tone is analytical and supportive, emphasizing the research's potential influence on future studies.
Most of the discussions acknowledge the importance of the findings, with some explicitly supporting the idea that the interaction impacts viral latency and immune regulation.
The discussions demonstrate high interest, especially in terms of the molecular mechanisms and potential broader implications.
Posts show moderate engagement, referencing specific proteins and pathways, and mentioning recent data or ongoing research.
While some recognize the significance for understanding HCMV's behavior, the overall impact is viewed as promising but not yet transformative, reflecting cautious optimism.
Abstract in brief
- The study finds that the human cytomegalovirus (HCMV) protein UL138 interacts with the host's deubiquitinating complex UAF1USP1 to activate STAT1, which plays a key role in the virus's ability to establish latency.
- UL138 and USP1 are crucial for maintaining viral latency by regulating immune responses; inhibiting USP1 disrupts latency, increases viral DNA replication, and boosts viral progeny production.
- The interaction between UL138, USP1, and STAT1 influences the viral life cycle, particularly the transition between latency and active replication, and further research is needed to understand USP1's multiple roles in DNA repair and immune regulation during infection.]
Top posts
Most liked on X and BlueskyHuman Cytomegalovirus UL138 Interaction with USP1 Activates STAT1 in infection https://t.co/OUQlFZVORv #biorxiv_micrbio
Human Cytomegalovirus UL138 Interaction with USP1 Activates STAT1 in infection https://t.co/WaPjZKNplJ #bioRxiv
Human Cytomegalovirus UL138 interaction with USP1 activates STAT1 in infection https://t.co/8d0dqocCO4
All mentions
Cytomegalovirus UL138 and USP1 Interaction Activates STAT1 in Infection
The study finds that the human cytomegalovirus UL138 protein interacts with the host's USP1 complex to activate STAT1, crucial for viral latency. Inhibiting USP1 disrupts latency and increases viral replication.
P. Longmire at #IHW2023 showed their data on #HCMV UL138 activation on #USP1. They recently published its activity on #STAT1 https://t.co/idNfQjmlPt but today he showed that this pathway also acts on PCNA de-Ubiquitination, potentially restricting viral DNA replication.
Human Cytomegalovirus UL138 interaction with USP1 activates STAT1 in infection https://t.co/8d0dqocCO4
Human Cytomegalovirus UL138 Interaction with USP1 Activates STAT1 in infection https://t.co/L7yg4IMamy
Human Cytomegalovirus UL138 Interaction with USP1 Activates STAT1 in infection https://t.co/OUQlFZVORv #biorxiv_micrbio
Human Cytomegalovirus UL138 Interaction with USP1 Activates STAT1 in infection https://t.co/WaPjZKNplJ #bioRxiv