Quantifying forces in cell biology

P Roca-Cusachs, V Conte, X Trepat - Nature cell biology, 2017 - nature.com
Cells exert, sense, and respond to physical forces through an astounding diversity of
mechanisms. Here we review recently developed tools to quantify the forces generated by …

Single-molecule force spectroscopy: optical tweezers, magnetic tweezers and atomic force microscopy

KC Neuman, A Nagy - Nature methods, 2008 - nature.com
Single-molecule force spectroscopy has emerged as a powerful tool to investigate the forces
and motions associated with biological molecules and enzymatic activity. The most common …

Kinetic basis for DNA target specificity of CRISPR-Cas12a

I Strohkendl, FA Saifuddin, JR Rybarski, IJ Finkelstein… - Molecular cell, 2018 - cell.com
Class 2 CRISPR-Cas nucleases are programmable genome editing tools with promising
applications in human health and disease. However, DNA cleavage at off-target sites that …

DNA-functionalized artificial mechanoreceptor for de novo force-responsive signaling

S Yang, M Wang, D Tian, X Zhang, K Cui, S Lü… - Nature Chemical …, 2024 - nature.com
Synthetic signaling receptors enable programmable cellular responses coupling with
customized inputs. However, engineering a designer force-sensing receptor to rewire …

Polarized focal adhesion kinase activity within a focal adhesion during cell migration

X Li, JD Combs III, K Salaita, X Shu - Nature chemical biology, 2023 - nature.com
Focal adhesion kinase (FAK) relays integrin signaling from outside to inside cells and
contributes to cell adhesion and motility. However, the spatiotemporal dynamics of FAK …

DNA-based nanoparticle tension sensors reveal that T-cell receptors transmit defined pN forces to their antigens for enhanced fidelity

Y Liu, L Blanchfield, VPY Ma, R Andargachew… - Proceedings of the …, 2016 - pnas.org
T cells are triggered when the T-cell receptor (TCR) encounters its antigenic ligand, the
peptide-major histocompatibility complex (pMHC), on the surface of antigen presenting cells …

DNA-based ForceChrono probes for deciphering single-molecule force dynamics in living cells

Y Hu, H Li, C Zhang, J Feng, W Wang, W Chen, M Yu… - Cell, 2024 - cell.com
Understanding cellular force transmission dynamics is crucial in mechanobiology. We
developed the DNA-based ForceChrono probe to measure force magnitude, duration, and …

Statistically optimal analysis of samples from multiple equilibrium states

MR Shirts, JD Chodera - The Journal of chemical physics, 2008 - pubs.aip.org
We present a new estimator for computing free energy differences and thermodynamic
expectations as well as their uncertainties from samples obtained from multiple equilibrium …

DNA-based digital tension probes reveal integrin forces during early cell adhesion

Y Zhang, C Ge, C Zhu, K Salaita - Nature communications, 2014 - nature.com
Mechanical stimuli profoundly alter cell fate, yet the mechanisms underlying
mechanotransduction remain obscure because of a lack of methods for molecular force …

High-resolution single-molecule magnetic tweezers

HK Choi, HG Kim, MJ Shon… - Annual Review of …, 2022 - annualreviews.org
Single-molecule magnetic tweezers deliver magnetic force and torque to single target
molecules, permitting the study of dynamic changes in biomolecular structures and their …