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Ligand-receptor interactions constitute a fundamental mechanism of cell-cell communication and signaling. NicheNet is a well-established computational tool that infers ligand-receptor interactions that potentially regulate gene expression…

Cell Behavior · Quantitative Biology 2024-04-26 Chananchida Sang-aram , Robin Browaeys , Ruth Seurinck , Yvan Saeys

Gradient sensing requires at least two measurements at different points in space. These measurements must then be communicated to a common location to be compared, which is unavoidably noisy. While much is known about the limits of…

Molecular Networks · Quantitative Biology 2016-04-27 Andrew Mugler , Andre Levchenko , Ilya Nemenman

As a response to ligand binding, transmembrane cell receptors often enhance their clustering, or oligomerization, during the signalling process. Here we present a statistical mechanical model which combines the aspects of clustering and…

Biological Physics · Physics 2015-06-26 Y. Shi

In this paper, we consider the bacterial point-to-point communication problem with one transmitter and one receiver by considering the ligand receptor binding process. The most commonly investigated signalling model, referred to as the…

Information Theory · Computer Science 2015-04-17 Gholamali Aminian , Mahtab Mirmohseni , Masoumeh Nasiri Kenari , Faramarz Fekri

Multilingual generative models obtain remarkable cross-lingual in-context learning capabilities through pre-training on large-scale corpora. However, they still exhibit a performance bias toward high-resource languages and learn isolated…

Computation and Language · Computer Science 2024-06-13 Chong Li , Shaonan Wang , Jiajun Zhang , Chengqing Zong

Biological cells are able to accurately sense chemicals with receptors at their surfaces, allowing cells to move towards sources of attractant and away from sources of repellent. The accuracy of sensing chemical concentration is ultimately…

Subcellular Processes · Quantitative Biology 2015-05-14 Robert G. Endres , Ned S. Wingreen

Multilingual pre-trained models could leverage the training data from a rich source language (such as English) to improve performance on low resource languages. However, the transfer quality for multilingual Machine Reading Comprehension…

Computation and Language · Computer Science 2020-05-11 Fei Yuan , Linjun Shou , Xuanyu Bai , Ming Gong , Yaobo Liang , Nan Duan , Yan Fu , Daxin Jiang

Accurate sensing of chemical concentrations is essential for numerous biological processes. The accuracy of this sensing, for small numbers of molecules, is limited by shot noise. Corresponding theoretical limits on sensing precision, as a…

Biological Physics · Physics 2026-02-09 Ketevan Danelia , Sean A. Ridout , Ilya Nemenman

Artificially engineered biosensors are highly inefficient in accurately measuring the concentration of biomarkers, particularly, during early diagnosis of diseases. On the other hand, single cellular systems such as chemotactic bacteria can…

Biological Physics · Physics 2019-07-12 Tuhin Chakrabortty , Manoj M Varma

Cross-channel unlabeled sensing addresses the problem of recovering a multi-channel signal from measurements that were shuffled across channels. This work expands the cross-channel unlabeled sensing framework to signals that lie in a union…

Signal Processing · Electrical Eng. & Systems 2025-06-12 Taulant Koka , Manolis C. Tsakiris , Benjamín Béjar Haro , Michael Muma

Signal transduction networks can form highly interconnected systems within cells due to network crosstalk, the sharing of input signals between multiple downstream responses. To better understand the evolutionary design principles…

Biological Physics · Physics 2018-02-14 Ammar Tareen , Ned S. Wingreen , Ranjan Mukhopadhyay

Cells are constantly exposed to diverse stimuli-chemical, mechanical, or electrical-that guide their movement. In physiological conditions, these signals often overlap, as seen during infections, where neutrophils and dendritic cells…

Biological Physics · Physics 2026-03-25 Emiliano Perez Ipiña , Brian A. Camley

Biological cells sense external chemical stimuli in their environment using cell-surface receptors. To increase the sensitivity of sensing, receptors often cluster, most noticeably in bacterial chemotaxis, a paradigm for signaling and…

Biological Physics · Physics 2015-05-27 Gerardo Aquino , Diana Clausznitzer , Sylvain Tollis , Robert G. Endres

Molecular communication (MC) is a promising paradigm for applications where traditional electromagnetic communications are impractical. However, decoding chemical signals, especially in multi-transmitter systems, remains a key challenge due…

Signal Processing · Electrical Eng. & Systems 2025-11-05 Vivien Walter , Dadi Bi , Daniel L. Ruiz Blanco , Yansha Deng

We investigate single-cell directional sensing from diffusing chemoattractant signals released by a localized source. We focus on the low-concentration regime in which receptor activity is discrete and cellular decisions are made on…

Cell Behavior · Quantitative Biology 2026-03-12 Vincent Fiorino , Sean D. Lawley , Alan E. Lindsay

Cooperative interactions among sensory receptors provide a general mechanism to increase the sensitivity of signal transduction. In particular, bacterial chemotaxis receptors interact cooperatively to produce an ultrasensitive response to…

Molecular Networks · Quantitative Biology 2011-10-19 Monica Skoge , Yigal Meir , Ned S. Wingreen

Integrated sensing and communication (ISAC) in the near-field regime offers the potential to jointly support high-rate downlink transmission and high-resolution multi-target detection by exploiting the spherical-wave nature of…

Signal Processing · Electrical Eng. & Systems 2025-06-10 Hang Ruan , Homa Nikbakht , Ruizhi Zhang , Honglei Chen , Yonina C. Eldar

While most successful approaches for machine reading comprehension rely on single training objective, it is assumed that the encoder layer can learn great representation through the loss function we define in the predict layer, which is…

Computation and Language · Computer Science 2022-11-18 Yifeng Xie

Model diffing is the study of how fine-tuning changes a model's representations and internal algorithms. Many behaviors of interest are introduced during fine-tuning, and model diffing offers a promising lens to interpret such behaviors.…

Machine Learning · Computer Science 2026-02-23 Julian Minder , Clément Dumas , Caden Juang , Bilal Chugtai , Neel Nanda

Cell--cell communication (CCC) is commonly inferred from ligand--receptor co-expression, an associational paradigm that cannot distinguish causal signaling from shared regulation or confounding. We propose MR-CCC, a Bayesian Mendelian…

Methodology · Statistics 2026-04-28 Bitan Sarkar , Yang Ni