AMFCL:通过自适应多源模式融合和对比学习来预测miRNA-疾病关联
Yanfang Yang1, Shuang Wang1, Wenyue Kang1
1The School of Computer Science, Qufu Normal University, Rizhao, 276826, China.
概括
这项研究介绍了AMFCL,这是一种用于识别miRNA-疾病关联的新型计算模型. AMFCL有效地整合了多源信息,并优化了功能融合,以增强生物标志物发现.
科学领域:
- 生物信息学是一种生物信息学.
- 计算生物学 计算生物学
- 基因组学就是基因组学.
背景情况:
- 微RNA (miRNA) 失调与疾病进展有关.
- 确定miRNA-疾病关联 (MDA) 对生物标志物发现至关重要.
- 计算方法为MDA识别提供了传统生物方法的快速和经济有效的替代方案.
研究的目的:
- 开发一种新的计算模型,AMFCL,用于准确和高效的miRNA疾病关联预测.
- 解决现有计算方法的关键挑战,包括多源信息集成,特征融合优化和基于图形的模型过度平滑.
主要方法:
- 构建三种网络类型来表示miRNA-疾病关系.
- 使用多层图样和汇总 (GraphSAGE) 来学习节点表示.
- 采用自适应融合机制 (AFM) 进行动态特征表示权重.
- 纳入剩余连接以减轻基于图表的模型中的过度光滑.
- 应用对比学习 (CL) 来增强miRNA和疾病嵌入的稳定性.
- 使用多层感知子 (MLP) 来计算MDA分数.
主要成果:
- 与现有的先进模型相比,AMFCL在MDA预测准确度方面取得了显著的改进.
- 实验结果验证了AMFCL在识别新型miRNA疾病关联方面的有效性.
- 案例研究进一步证实了拟议方法的实际实用性和稳定性.
结论:
- AMFCL提供了一个强大而有效的计算框架,用于发现miRNA与疾病的关联.
- 该模型能够整合多源信息并优化特征融合的能力有助于增强生物标志物发现.
- 通过对疾病机制的更好理解,AMFCL显示出对推进精准医学的前景.
相关概念视频
01:27Associative Learning
1.5K
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
Classical conditioning, also known...
1.5K
02:45Nuclear Fusion
33.9K
The process of converting very light nuclei into heavier nuclei is also accompanied by the conversion of mass into large amounts of energy, a process called fusion. The principal source of energy in the sun is a net fusion reaction in which four hydrogen nuclei fuse and ultimately produce one helium nucleus and two positrons.
A helium nucleus has a mass that is 0.7% less than that of four hydrogen nuclei; this lost mass is converted into energy during the fusion. This reaction produces about...
A helium nucleus has a mass that is 0.7% less than that of four hydrogen nuclei; this lost mass is converted into energy during the fusion. This reaction produces about...
33.9K
01:15Sensory Modalities
4.0K
Sensation typically is the process by which the sensory receptors and sense organs detect stimuli from the internal and external environment and transmit this information to the central nervous system for processing.
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
General senses refer to the broad category of sensory information detected by receptors in the body and can be further grouped into somatic and visceral senses. Somatic sensations include touch, pressure, temperature, and pain and are essential for navigating our environment and...
4.0K
02:27Predicting Molecular Geometry
46.1K
VSEPR Theory for Determination of Electron Pair Geometries
46.1K
01:26Phase Contrast and Differential Interference Contrast Microscopy
14.4K
Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
14.4K
01:21Association Areas of the Cortex
9.5K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
9.5K