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Finding sparse solutions of underdetermined systems of linear equations is a fundamental problem in signal processing and statistics which has become a subject of interest in recent years. In general, these systems have infinitely many…

机器学习 · 统计学 2010-09-21 Arash Ali Amini , Massoud Babaie-Zadeh , Christian Jutten

Motivation: Protein-protein interactions (PPI) are critical to the function of proteins in both normal and diseased cells, and many critical protein functions are mediated by interactions.Knowledge of the nature of these interactions is…

计算与语言 · 计算机科学 2022-01-10 Aparna Elangovan , Melissa Davis , Karin Verspoor

Discovering disease pathways, which can be defined as sets of proteins associated with a given disease, is an important problem that has the potential to provide clinically actionable insights for disease diagnosis, prognosis, and…

分子网络 · 定量生物学 2017-12-05 Monica Agrawal , Marinka Zitnik , Jure Leskovec

Since proteins carry out biological processes by interacting with other proteins, analyzing the structure of protein-protein interaction (PPI) networks could explain complex biological mechanisms, evolution, and disease. Similarly, studying…

分子网络 · 定量生物学 2010-04-22 Vesna Memisevic , Tijana Milenkovic , Natasa Przulj

We developed an explainable deep learning framework integrating protein-protein interaction (PPI) network centrality metrics with node embeddings for cancer therapeutic target prioritization. A high-confidence PPI network was constructed…

定量方法 · 定量生物学 2025-11-26 Adham M. Alkhadrawi , Kyungsu Kim , Arif M. Rahman , Fahad Mushabbab G. Alotaibi

Aligning protein-protein interaction (PPI) networks of different species has drawn a considerable interest recently. This problem is important to investigate evolutionary conserved pathways or protein complexes across species, and to help…

最优化与控制 · 数学 2009-05-08 Mikhail Zaslavskiy , Francis Bach , Jean-Philippe Vert

With the advent of high-throughput wet lab technologies the amount of protein interaction data available publicly has increased substantially, in turn spurring a plethora of computational methods for in silico knowledge discovery from this…

分子网络 · 定量生物学 2015-05-06 Sriganesh Srihari , Hon Wai Leong

Protein-protein interactions (PPIs) are critical to normal cellular function and are related to many disease pathways. However, only 4% of PPIs are annotated with PTMs in biological knowledge databases such as IntAct, mainly performed…

机器学习 · 计算机科学 2022-01-10 Aparna Elangovan , Yuan Li , Douglas E. V. Pires , Melissa J. Davis , Karin Verspoor

Research data sets are growing to unprecedented sizes and network modeling is commonly used to extract complex relationships in diverse domains, such as genetic interactions involved in disease, logistics, and social communities. As the…

社会与信息网络 · 计算机科学 2024-05-03 Sharlee Climer , Kenneth Smith , Wei Yang , Lisa de las Fuentes , Victor G. Dávila-Román , C. Charles Gu

Protein-protein interactions (PPIs) are associated with various diseases, including cancer, infections, and neurodegenerative disorders. Obtaining three-dimensional structural information on these PPIs serves as a foundation to interfere…

生物大分子 · 定量生物学 2024-07-24 Xiaotong Xu , Alexandre M. J. J. Bonvin

Protein-protein interactions (PPIs) govern nearly all cellular processes, yet computational methods for identifying binding partners typically produce ranked predictions without mechanistic justification. This creates a fundamental barrier…

定量方法 · 定量生物学 2026-05-22 Kingsley Yeon , Xuefeng Liu , Promit Ghosal

Motivation: High-throughput experimental techniques have been producing more and more protein-protein interaction (PPI) data. PPI network alignment greatly benefits the understanding of evolutionary relationship among species, helps…

数据结构与算法 · 计算机科学 2016-04-13 Somaye Hashemifar , Qixing Huang , Jinbo XU

Protein language models leverage evolutionary information to perform state-of-the-art 3D structure and zero-shot variant prediction. Yet, extracting and explaining all the mutational interactions that govern model predictions remains…

生物大分子 · 定量生物学 2024-05-14 Darin Tsui , Amirali Aghazadeh

Protein interactions constitute the fundamental building block of almost every life activity. Identifying protein communities from Protein-Protein Interaction (PPI) networks is essential to understand the principles of cellular organization…

社会与信息网络 · 计算机科学 2019-11-26 Jianguo Chen , Kenli Li , Kashif Bilal , Ahmed A. Metwally , Keqin Li , Philip S. Yu

In this work, we propose a novel centrality metric, referred to as star centrality, which incorporates information from the closed neighborhood of a node, rather than solely from the node itself, when calculating its topological importance.…

定量方法 · 定量生物学 2018-03-15 Chrysafis Vogiatzis , Mustafa Can Camur

Here we present ComPPI, a cellular compartment specific database of proteins and their interactions enabling an extensive, compartmentalized protein-protein interaction network analysis (http://ComPPI.LinkGroup.hu). ComPPI enables the user…

16S-ribosomal sequencing and other metagonomic techniques provide snapshots of microbial communities, revealing phylogeny and the abundances of microbial populations across diverse ecosystems. While changes in microbial community structure…

Protein-protein interaction (PPI) networks provide valuable insights into the function of biological systems, and aligning multiple PPI networks can reveal important functional relationships between different species. However, assessing the…

分子网络 · 定量生物学 2024-08-02 Reza Mousapour , Kimia Yazdani , Wayne B. Hayes

Protein-protein interaction (PPI) prediction is an important problem in machine learning and computational biology. However, there is no data set for training or evaluation purposes, where all the instances are accurately labeled. Instead,…

人工智能 · 计算机科学 2015-09-21 Haohan Wang , Madhavi K. Ganapathiraju

The protein-protein interactions (PPIs) are crucial for understanding the majority of cellular processes. PPIs play important role in gene transcription regulation, cellular signaling, molecular basis of immune response and more. Moreover,…

生物大分子 · 定量生物学 2016-05-31 Maciej Pawel Ciemny , Mateusz Kurcinski , Andrzej Kolinski , Sebastian Kmiecik