LncRNA and disease association relationship prediction method and system based on Naive Bayes
A technology of correlation relationship and prediction method, applied in the field of correlation prediction in bioinformatics, can solve the problems of high equipment requirements, high cost, long experimental period, etc., and achieve the effect of reducing workload and improving prediction effect.
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[0035] Example 1:
[0036] See figure 1 The method for predicting the association relationship between LncRNA and disease based on Naive Bayes of this embodiment includes the following steps:
[0037] S1: Construct a complex network based on the association relationship between MiRNA and disease, the association relationship between MiRNA and LncRNA, and the association relationship between LncRNA and disease. Step S1 includes the following steps:
[0038] S101: Download from multiple known databases: the relationship between MiRNA and disease and the relationship between MiRNA and LncRNA;
[0039] Delete the duplicate data and wrong data in the data set of the relationship between MiRNA and disease and the relationship between MiRNA and LncRNA.
[0040] S102: First unify the naming of MiRNA, LncRNA and disease from different databases. Screen the shared MiRNA set in the relationship between MiRNA and disease and the relationship between MiRNA and LncRNA, and extract the relationship ...
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[0047] Example 2:
[0048] figure 2 It is a schematic flow chart of the method for predicting the association relationship between LncRNA and disease based on Naive Bayes in this embodiment, in which: (A) is the collection of the association relationship between MiRNA and disease from the three databases of HMDD, starBase and MNDR. , The relationship between MiRNA and LncRNA and the relationship between LncRNA and disease; (B) is to build a complex network by integrating the relationship between MiRNA and disease, the relationship between MiRNA and LncRNA, and the relationship between LncRNA and disease; (C) Construct the network to be predicted by expressing the network in the form of an adjacency matrix; (D) Calculate the similarity value of the final lncRNA-disease node pair based on the contribution of different neighbor nodes.
[0049] The method for predicting the association relationship between LncRNA and disease based on Naive Bayes of this embodiment includes the followi...
Example Embodiment
[0087] Example 3:
[0088] The system for predicting the association relationship between LncRNA and disease based on Naive Bayes of the present invention includes a memory, a processor, and a computer program that is stored in the memory and can run on the processor. The processor implements any of the above methods when the computer program is executed. A step of.
[0089] In summary, the present invention constructs a complex network by integrating LncRN-MiRNA, disease-MiRNA, and LncRNA-disease association relationships, and then considers the association relationship between the LncRNA-disease node pairs in the network and the common neighbor (MiRNAs) nodes of the node pair. Finally, based on the Naive Bayesian probability model, the prediction method is regarded as the probability that each neighbor node of the LncRNA node and the disease node connects them. On the one hand, the naive Bayes classifier is a very simple classifier with low computational complexity. On the other...
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