Nonlinear signalling networks and cell-to-cell variability transform external signals into broadly distributed or bimodal responses

M Dobrzyński, LK Nguyen… - Journal of The …, 2014 - royalsocietypublishing.org
We show theoretically and experimentally a mechanism behind the emergence of wide or
bimodal protein distributions in biochemical networks with nonlinear input–output …

Nonlatching positive feedback enables robust bimodality by decoupling expression noise from the mean

BS Razooky, Y Cao, MMK Hansen, AS Perelson… - PLoS …, 2017 - journals.plos.org
Fundamental to biological decision-making is the ability to generate bimodal expression
patterns where 2 alternate expression states simultaneously exist. Here, we use a …

Unified probability distribution and dynamics of lead contents in human erythrocytes revealed by single-cell analysis

N Liu, Y Huang, H Zhang, T Wang, C Tao… - Environmental …, 2021 - ACS Publications
Understanding the presence and dynamics of chemical pollutants in individual cells is
fundamentally important for their trafficking, fate, and toxicity in humans. The presence of …

Nonlinear biochemical signal processing via noise propagation

KH Kim, H Qian, HM Sauro - The Journal of chemical physics, 2013 - pubs.aip.org
Single-cell studies often show significant phenotypic variability due to the stochastic nature
of intra-cellular biochemical reactions. When the numbers of molecules, eg, transcription …

Mathematical model reveals that heterogeneity in the number of ion transporters regulates the fraction of mouse sperm capacitation

A Aguado-García, DA Priego-Espinosa, A Aldana… - PloS one, 2021 - journals.plos.org
Capacitation is a complex maturation process mammalian sperm must undergo in the
female genital tract to be able to fertilize an egg. This process involves, amongst others …

Controlling E. coli gene expression noise

KH Kim, K Choi, B Bartley… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Intracellular protein copy numbers show significant cell-to-cell variability within an isogenic
population due to the random nature of biological reactions. Here we show how the …

Process simulation of complex biological pathways in physical reactive space and reformulated for massively parallel computing platforms

N Ganesan, J Li, V Sharma, H Jiang… - … /ACM transactions on …, 2015 - ieeexplore.ieee.org
Biological systems encompass complexity that far surpasses many artificial systems.
Modeling and simulation of large and complex biochemical pathways is a computationally …

Autoregulation and heterogeneity in expression of human Cripto-1

P Loying, J Manhas, S Sen, B Bose - PLoS One, 2015 - journals.plos.org
Cripto-1 (CR-1) is involved in various processes in embryonic development and cancer.
Multiple pathways regulate CR-1 expression. Our present work demonstrates a possible …

Kinetic models of biochemical signaling networks

M Bouhaddou, MR Birtwistle - Systems Pharmacology and …, 2016 - Springer
Kinetic models of biochemical signaling networks are a mechanistic description of
pharmacodynamics, and thus are potentially well-poised to fill gaps in the drug development …

Modelo matemático para la capacitación de espermatozoides en la fecundación de mamíferos

AAA GARCIA - 2021 - riaa.uaem.mx
La capacitación es un proceso de maduración complejo el cual los espermatozoides de
mamífero deben atravesar durante su transito y residencia en el tracto reproductor femenino …