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Synthetic lethal reaction/gene-sets are sets of reactions/genes where only the simultaneous removal of all reactions/genes in the set abolishes growth of an organism. In silico, synthetic lethal sets can be identified by simulating the…

分子网络 · 定量生物学 2015-07-02 Aditya Pratapa , Shankar Balachandran , Karthik Raman

An important goal of medical research is to develop methods to recover the loss of cellular function due to mutations and other defects. Many approaches based on gene therapy aim to repair the defective gene or to insert genes with…

分子网络 · 定量生物学 2008-03-15 Adilson E. Motter , Natali Gulbahce , Eivind Almaas , Albert-Laszlo Barabasi

Recent research shows that a faulty or sub-optimally operating metabolic network can often be rescued by the targeted removal of enzyme-coding genes--the exact opposite of what traditional gene therapy would suggest. Predictions go as far…

分子网络 · 定量生物学 2010-03-18 Adilson E. Motter

We describe a 3D percolation-type approach to modeling of the processes of aging and certain other properties of tissues analyzed as systems consisting of interacting cells. Lattice sites are designated as regular (healthy) cells, senescent…

统计力学 · 物理学 2016-07-12 Vyacheslav Gorshkov , Vladimir Privman , Sergiy Libert

If new sequential leptons $E^\pm$ and $N^0$ exist, the LEP bound implies $m_E$, $m_N > M_Z/2$. The heaviness of the neutral lepton breaks away from the pattern of the first three generations. The minimal model is to have 4 left-handed…

高能物理 - 唯象学 · 物理学 2009-10-22 Wei-Shu Hou , Gwo-Guang Wong

Underpinning the past decades of work on the design, initialization, and optimization of neural networks is a seemingly innocuous assumption: that the network is trained on a \textit{stationary} data distribution. In settings where this…

机器学习 · 计算机科学 2024-03-01 Clare Lyle , Zeyu Zheng , Khimya Khetarpal , Hado van Hasselt , Razvan Pascanu , James Martens , Will Dabney

In large neuronal networks, it is believed that functions emerge through the collective behavior of many interconnected neurons. Recently, the development of experimental techniques that allow simultaneous recording of calcium concentration…

生物物理 · 物理学 2019-06-05 Xiaowen Chen , Francesco Randi , Andrew M. Leifer , William Bialek

The mortality rate of many complex multicellular organisms increase with age, which suggests that net aging damage is accumulative, despite remodeling processes. But how exactly do little mishaps in the cellular level accumulate and spread…

组织与器官 · 定量生物学 2017-12-12 Daniel Suma , Aylin Acun , Pinar Zorlutuna , Dervis Can Vural

Artificial neurons built on synthetic gene networks have potential applications ranging from complex cellular decision-making to bioreactor regulation. Furthermore, due to the high information throughput of natural systems, it provides an…

神经与进化计算 · 计算机科学 2020-01-31 Sihao Huang

A {\beta}-skeleton is a proximity graphs with node neighbourhood defined by continuous-valued parameter {\beta}. Two nodes in a {\beta}-skeleton are connected by an edge if their lune-based neighbourhood contains no other nodes. With…

计算几何 · 计算机科学 2013-12-31 Andrew Adamatzky

This essay is presented with two principal objectives in mind: first, to document the prevalence of fractals at all levels of the nervous system, giving credence to the notion of their functional relevance; and second, to draw attention to…

神经元与认知 · 定量生物学 2010-04-09 Gerhard Werner

The brain is an intricately structured organ responsible for the rich emergent dynamics that support the complex cognitive functions we enjoy as humans. With around $10^{11}$ neurons and $10^{15}$ synapses, understanding how the human brain…

神经元与认知 · 定量生物学 2019-02-12 Jason Z. Kim , Danielle S. Bassett

Cell differentiation in multicellular organisms is a complex process whose mechanism can be understood by a reductionist approach, in which the individual processes that control the generation of different cell types are identified.…

The disease trajectory for clinical sepsis, in terms of temporal cytokine and phenotypic dynamics, can be interpreted as a random dynamical system. The ability to make accurate predictions about patient state from clinical measurements has…

定量方法 · 定量生物学 2020-07-30 Dale Larie , Gary An , Chase Cockrell

Synthetic lethality (SL) is a promising gene interaction for cancer therapy. Recent SL prediction methods integrate knowledge graphs (KGs) into graph neural networks (GNNs) and employ attention mechanisms to extract local subgraphs as…

机器学习 · 计算机科学 2025-03-20 Xuexin Chen , Ruichu Cai , Zhengting Huang , Zijian Li , Jie Zheng , Min Wu

Multielectrode arrays allow recording of the activity of many single neurons, from which correlations can be calculated. The functional roles of correlations can be revealed by the measures of the information conveyed by neuronal activity;…

统计力学 · 物理学 2009-09-25 Michele Bezzi , Mathew E. Diamond , Alessandro Treves

Neutrinoless double-beta decay represents the most promising approach for revealing some of the most important, yet-unknown, properties of neutrinos related to their absolute masses and their nature. This transition involves beyond standard…

核理论 · 物理学 2018-09-12 Andrei Neacsu , Mihai Horoi

The approximation capability of ANNs and their RNN instantiations, is strongly correlated with the number of parameters packed into these networks. However, the complexity barrier for human understanding, is arguably related to the number…

神经与进化计算 · 计算机科学 2023-03-10 Julian Lemmel , Radu Grosu

Living systems self-organize in ways that conventional physical frameworks-based on forces, energies, and continuous fields-cannot fully capture. Processes like gene regulation and cellular decision-making involve rule-based logic and…

其他定量生物学 · 定量生物学 2025-11-18 Hyun Youk

There is growing consensus among neuroscientists that neural circuits critical for survival are the result of genomic decompression processes. We introduce SynaptoGen, a novel computational framework--member of the Connectome Models…

神经与进化计算 · 计算机科学 2025-09-09 Tommaso Boccato , Matteo Ferrante , Nicola Toschi