[HTML][HTML] Cellular heterogeneity in TNF/TNFR1 signalling: live cell imaging of cell fate decisions in single cells

MK Preedy, MRH White, V Tergaonkar - Cell Death & Disease, 2024 - nature.com
Cellular responses to TNF are inherently heterogeneous within an isogenic cell population
and across different cell types. TNF promotes cell survival by activating pro-inflammatory NF …

[HTML][HTML] Spontaneous vortex formation by microswimmers with retarded attractions

X Wang, PC Chen, K Kroy, V Holubec… - Nature …, 2023 - nature.com
Collective states of inanimate particles self-assemble through physical interactions and
thermal motion. Despite some phenomenological resemblance, including signatures of …

[HTML][HTML] Quantifying and correcting bias in transcriptional parameter inference from single-cell data

R Grima, PM Esmenjaud - Biophysical Journal, 2024 - cell.com
The snapshot distribution of mRNA counts per cell can be measured using single-molecule
fluorescence in situ hybridization or single-cell RNA sequencing. These distributions are …

Inferring delays in partially observed gene regulation processes

H Hong, MJ Cortez, YY Cheng, HJ Kim, B Choi… - …, 2023 - academic.oup.com
Motivation Cell function is regulated by gene regulatory networks (GRNs) defined by protein-
mediated interaction between constituent genes. Despite advances in experimental …

[HTML][HTML] Spatially coordinated collective phosphorylation filters spatiotemporal noises for precise circadian timekeeping

SJ Chae, DW Kim, S Lee, JK Kim - Iscience, 2023 - cell.com
The circadian (∼ 24h) clock is based on a negative-feedback loop centered around the
PERIOD protein (PER), translated in the cytoplasm and then enters the nucleus to repress its …

[HTML][HTML] Density physics-informed neural networks reveal sources of cell heterogeneity in signal transduction

H Jo, H Hong, HJ Hwang, W Chang, JK Kim - Patterns, 2024 - cell.com
The transduction time between signal initiation and final response provides valuable
information on the underlying signaling pathway, including its speed and precision …

Stochastic modeling of the mRNA life process: A generalized master equation

C Shi, X Yang, J Zhang, T Zhou - Biophysical Journal, 2023 - cell.com
The mRNA life cycle is a complex biochemical process, involving transcription initiation,
elongation, termination, splicing, and degradation. Each of these molecular events is …

Charting the landscape of stochastic gene expression models using queueing theory

J Szavits-Nossan, R Grima - arXiv preprint arXiv:2307.03253, 2023 - arxiv.org
Stochastic models of gene expression are typically formulated using the chemical master
equation, which can be solved exactly or approximately using a repertoire of analytical …

Noisy delay denoises biochemical oscillators

YM Song, S Campbell, LJ Shiau, JK Kim, W Ott - Physical Review Letters, 2024 - APS
Genetic oscillations are generated by delayed transcriptional negative feedback loops,
wherein repressor proteins inhibit their own synthesis after a temporal production delay. This …

Deep Neural Networks for Predicting Single-Cell Responses and Probability Landscapes

HE Klumpe, JB Lugagne, AS Khalil… - ACS Synthetic …, 2023 - ACS Publications
Engineering biology relies on the accurate prediction of cell responses. However, making
these predictions is challenging for a variety of reasons, including the stochasticity of …