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GRNsmile: gene regulatory network inference with a single-cell multi-layer omics approach

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Homo sapiens

PROVIDER: GSE173460 | GEO | 2025/05/01

REPOSITORIES: GEO

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GRNsmile: gene regulatory network inference with a single-cell multi-layer omics approach [Micro-C]

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GRNsmile: gene regulatory network inference with a single-cell multi-layer omics approach [scATAC-seq]

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GRNsmile: gene regulatory network inference with a single-cell multi-layer omics approach [scRNA-seq]

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GRNsmile: gene regulatory network inference with a single-cell multi-layer omics approach

Project description:GRNsmile: gene regulatory network inference with a single-cell multi-layer omics approach

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GRNsmile: gene regulatory network inference with a single-cell multi-layer omics approach [scRNA-seq]

Project description:GRNsmile: gene regulatory network inference with a single-cell multi-layer omics approach [scRNA-seq]

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GRNsmile: gene regulatory network inference with a single-cell multi-layer omics approach [scATAC-seq]

Project description:GRNsmile: gene regulatory network inference with a single-cell multi-layer omics approach [scATAC-seq]

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GRNsmile: gene regulatory network inference with a single-cell multi-layer omics approach [Micro-C]

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Multi-omics regulatory network inference in the presence of missing data.

Project description:A key problem in systems biology is the discovery of regulatory mechanisms that drive phenotypic behaviour of complex biological systems in the form of multi-level networks. Modern multi-omics profiling techniques probe these fundamental regulatory networks but are often hampered by experimental restrictions leading to missing data or partially measured omics types for subsets of individuals due to cost restrictions. In such scenarios, in which missing data is present, classical computational approaches to infer regulatory networks are limited. In recent years, approaches have been proposed to infer sparse regression models in the presence of missing information. Nevertheless, these methods have not been adopted for regulatory network inference yet. In this study, we integrated regression-based methods that can handle missingness into KiMONo, a Knowledge guided Multi-Omics Network inference approach, and benchmarked their performance on commonly encountered missing data scenarios in single- and multi-omics studies. Overall, two-step approaches that explicitly handle missingness performed best for a wide range of random- and block-missingness scenarios on imbalanced omics-layers dimensions, while methods implicitly handling missingness performed best on balanced omics-layers dimensions. Our results show that robust multi-omics network inference in the presence of missing data with KiMONo is feasible and thus allows users to leverage available multi-omics data to its full extent.

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Project description:This SuperSeries is composed of the SubSeries listed below.

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