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X-WR-CALDESC:Events for Biomedical Mathematics Group
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TZID:Asia/Seoul
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DTSTART:20240101T000000
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DTSTART;TZID=Asia/Seoul:20250228T140000
DTEND;TZID=Asia/Seoul:20250228T160000
DTSTAMP:20260423T115421
CREATED:20250220T082847Z
LAST-MODIFIED:20250225T080719Z
UID:10787-1740751200-1740758400@www.ibs.re.kr
SUMMARY:Quantifying information accumulation encoded in the dynamics of biochemical signaling - Kang Min Lee
DESCRIPTION:In this talk\, we discuss the paper “Quantifying information accumulation encoded in the dynamics of biochemical signaling” by Y. Tang\, et.al\, Nature Communications\, 2021. \nAbstract \nCellular responses to environmental changes are encoded in the complex temporal patterns of signaling proteins. However\, quantifying the accumulation of information over time to direct cellular decision-making remains an unsolved challenge. This is\, in part\, due to the combinatorial explosion of possible configurations that need to be evaluated for information in time-course measurements. Here\, we develop a quantitative framework\, based on inferred trajectory probabilities\, to calculate the mutual information encoded in signaling dynamics while accounting for cell-cell variability. We use it to understand NFκB transcriptional dynamics in response to different immune threats\, and reveal that some threats are distinguished faster than others. Our analyses also suggest specific temporal phases during which information distinguishing threats becomes available to immune response genes; one specific phase could be mapped to the functionality of the IκBα negative feedback circuit. The framework is generally applicable to single-cell time series measurements\, and enables understanding how temporal regulatory codes transmit information over time.
URL:https://www.ibs.re.kr/bimag/event/quantum-computing-enhanced-algorithm-unveils-potential-kras-inhibitors-kang-min-lee/
LOCATION:B232 Seminar Room\, IBS\, 55 Expo-ro Yuseong-gu\, Daejeon\, Daejeon\, 34126\, Korea\, Republic of
CATEGORIES:Journal Club
ORGANIZER;CN="Jae Kyoung Kim":MAILTO:jaekkim@kaist.ac.kr
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