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Cellular signaling involves the transmission of environmental information through cascades of stochastic biochemical reactions, inevitably introducing noise that compromises signal fidelity. Each stage of the cascade often takes the form of…

Molecular Networks · Quantitative Biology 2014-08-20 Michael Hinczewski , D. Thirumalai

Contrast enhancement by Gadolinium-based contrast agents (GBCAs) is a vital tool for tumor diagnosis in neuroradiology. Based on brain MRI scans of glioblastoma before and after Gadolinium administration, we address enhancement prediction…

Image and Video Processing · Electrical Eng. & Systems 2024-10-14 Moritz Piening , Fabian Altekrüger , Gabriele Steidl , Elke Hattingen , Eike Steidl

Recent works have examined theoretical and empirical properties of wide neural networks trained in the Neural Tangent Kernel (NTK) regime. Given that biological neural networks are much wider than their artificial counterparts, we consider…

Machine Learning · Computer Science 2022-07-14 Akhilan Boopathy , Ila Fiete

This work addresses nucleation rates in systems with strong initial recombination. Initial (or `geminate') recombination is a process where a dissociated structure (anion, vortex, kink etc.) recombines with its twin brother (cation,…

Statistical Mechanics · Physics 2009-10-30 T. Christen , M. Buttiker

The pancreatic innervation undergoes dynamic remodeling during the development of pancreatic ductal adenocarcinoma (PDAC). Denervation experiments have shown that different types of axons can exert either pro- or anti-tumor effects, but…

Analysis of PDEs · Mathematics 2024-04-04 Marie-Jose Chaaya , Sophie Chauvet , Florence Hubert , Fanny Mann , Mathieu Mezache , Pierre Pudlo

To maintain bone mass during bone remodelling, coupling is required between bone resorption and bone formation. This coordination is achieved by a network of autocrine and paracrine signalling molecules between cells of the osteoclast…

Tissues and Organs · Quantitative Biology 2015-02-20 Pascal R. Buenzli , Peter Pivonka , Bruce S. Gardiner , David W. Smith

As a potential window on transitions out of the ergodic, many-body-delocalized phase, we study the dephasing of weakly disordered, quasi-one-dimensional fermion systems due to a diffusive, non-Markovian noise bath. Such a bath is…

Disordered Systems and Neural Networks · Physics 2020-10-02 Seth M. Davis , Matthew S. Foster

Altermagnets, combining zero net magnetization with intrinsic spin splitting, demonstrate unique quantum phenomena crucial for spintronic applications. KV$_2$Se$_2$O is proven to be a d-wave altermagnet with phase transition from a…

Materials Science · Physics 2026-02-04 Xu Yan , Ziyin Song , Juntao Song , Zhong Fang , Hongming Weng , Quansheng Wu

Magnetic resonance imaging (MRI)-based synthetic computed tomography (sCT) simplifies radiation therapy treatment planning by eliminating the need for CT simulation and error-prone image registration, ultimately reducing patient radiation…

Image and Video Processing · Electrical Eng. & Systems 2023-06-01 Shaoyan Pan , Elham Abouei , Jacob Wynne , Tonghe Wang , Richard L. J. Qiu , Yuheng Li , Chih-Wei Chang , Junbo Peng , Justin Roper , Pretesh Patel , David S. Yu , Hui Mao , Xiaofeng Yang

Non-analytic points in the return probability of a quantum state as a function of time, known as dynamical quantum phase transitions (DQPTs), have received great attention in recent years, but the understanding of their mechanism is still…

Quantum Physics · Physics 2022-06-13 Stefano De Nicola , Alexios A. Michailidis , Maksym Serbyn

The human neurotensin 1 receptor (hNTS1) is a G protein-coupled receptor involved in many physiological functions, including analgesia, hypothermia, and hypotension. To gain a better understanding of which signaling pathways or combination…

Artificial neural networks have revolutionized machine learning in recent years, but a complete theoretical framework for their learning process is still lacking. Substantial advances were achieved for wide networks, within two disparate…

Machine Learning · Computer Science 2025-05-09 Yehonatan Avidan , Qianyi Li , Haim Sompolinsky

The segmentation of the pubic symphysis and fetal head (PSFH) constitutes a pivotal step in monitoring labor progression and identifying potential delivery complications. Despite the advances in deep learning, the lack of annotated medical…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Jianmei Jiang , Huijin Wang , Jieyun Bai , Shun Long , Shuangping Chen , Victor M. Campello , Karim Lekadir

Model diffing methods aim to identify how fine-tuning changes a model's internal representations. Crosscoders approach this by learning shared dictionaries of interpretable latent directions between base and fine-tuned models. However,…

Machine Learning · Computer Science 2026-03-06 Aly Kassem , Thomas Jiralerspong , Negar Rostamzadeh , Golnoosh Farnadi

Collective cell migration is a hallmark of developmental and patho-physiological states, including wound healing and invasive cancer growth. The integrity of the expanding epithelial sheets can be influenced by extracellular cues, including…

Deterministic and stochastic Boolean network models are build for the dynamics of negative feedback loops of the p53 pathways. It is shown that the main function of the negative feedback in the p53 pathways is to keep p53 at a low steady…

Molecular Networks · Quantitative Biology 2009-04-16 Hao Ge , Min Qian

Entanglement related properties work as nice fingerprint of the quantum many-body wave function. However, those of fermionic models are hard to evaluate in standard numerical methods because they suffer from finite size effects. We show…

Strongly Correlated Electrons · Physics 2020-11-04 Xavier Plat , Chisa Hotta

Signal peptide (SP) is a short peptide located in the N-terminus of proteins. It is essential to target and transfer transmembrane and secreted proteins to correct positions. Compared with traditional experimental methods to identify signal…

Artificial Intelligence · Computer Science 2023-12-15 Junbo Shen , Qinze Yu , Shenyang Chen , Qingxiong Tan , Jingcheng Li , Yu Li

Descending predictive feedback (DPF) is an ubiquitous yet unexplained phenomenon in the central nervous system. Motivated by recent observations on motor-related signals in the visual system, we approach this problem from a sensorimotor…

Optimization and Control · Mathematics 2021-04-01 Jing Shuang Li , Anish A. Sarma , John C. Doyle

Glucose is a primary energy source for cancer cells. Several lines of evidence support the idea that monocarboxylate transporters, such as MCT1, elicit metabolic reprogramming of cancer cells in glucose-poor environments, allowing them to…

Cell Behavior · Quantitative Biology 2024-01-25 Luis Almeida , Jérôme Denis , Nathalie Ferrand , Tommaso Lorenzi , Antonin Prunet , Michéle Sabbah , Chiara Villa