42 results about "Disease phenotype" patented technology

The invention relates to a double-gene rare variation and disease relevance prediction model and an establishment method and application thereof, and belongs to the technical field of biological medicines.The establishment method of the double-gene rare variation and disease relevance prediction model comprises the following steps that S1, a sample library is screened; s2, performing quality control on whole exome sequencing data (WES); s3, performing phenotype screening; s4, performing grouping design; s5, carrying out PheWAS logistic regression analysis; s6, performing Firth logistic regression analysis and verification; and S7, carrying out double-gene feature analysis and double-gene pathogenicity relevance prediction. The method for analyzing the correlation between the rare double-gene variation and all disease phenotypes is designed for the first time, and a new method is provided for screening hereditary pathogenic factors of various diseases.

The application discloses a method for constructing a RP mouse model caused by Prpf6 gene mutation and haploinsufficiency and application thereof, and belongs to the field of molecular biology and biomedical technology. The mouse model constructed by the method provides a convenient, reliable and economical means for studying the relationship between the PRPF6 gene mutation and the retinal pigment degeneration disease and the pathogenic mechanism thereof, and provides a stable hereditary effective research model in the research of the pathogenic mechanism, treatment method and drug screening of RP. The animal model is subjected to transcriptome and a series of type detection, wherein the transcriptome result shows that the retina of the Prpf6 gene knockout mouse has a certain degree of metabolic abnormality, and the results of the electro-physiological detection, fundus examination and H&E staining show that the cell layer of the mouse retina and the shape and function of the retina are damaged, which is consistent with the disease phenotype of RP.

This invention discloses a method, medium, and device for identifying DRG over-compensation based on invoice reverse engineering and causal imprinting. The method includes: acquiring detailed medical billing data from the medical records to be audited; extracting features of treatment items and mapping them to a medical knowledge graph to obtain a set of feature atoms; inputting the feature atom set into a large language model, outputting real disease phenotypes as pseudo-labels, and performing semantic comparison with the reported primary diagnosis to identify over-compensation of the primary diagnosis; classifying the sensitivity of other reported diagnoses by score, screening high-value complication entities, and verifying their resource consumption matching degree through a clinical pathway constraint library to identify fictitious complications; extracting the main billing items and their low-value billing imprint rule library, and identifying falsely inflated primary intervention items through counterfactual causal comparison; finally, calculating a comprehensive anomaly index based on deviation, matching degree, and divergence, and outputting an audit report. This invention automatically identifies DRG over-compensation anomalies from multiple dimensions, improving the accuracy and comprehensiveness of audits.

The invention relates to a screening method of anti-breast cancer key targets of a traditional Chinese medicine composition for treating triple-negative breast cancer pulmonary metastasis, which sequentially comprises the following steps: component-target preliminary screening, two sample Mendel randomization, SMR and co-localization, full phenotype association and side effect evaluation, pathway enrichment, clinical expression verification, molecular docking verification and the like. After Mendel randomization (MR) and SMR are placed in network pharmacology, population genetic variation is used as a natural randomization tool, evidence of causal relationship between exposure (target level) and outcome (breast cancer risk) is provided on a public GWAS level, traditional association analysis mixing and reverse causal risk are reduced, and the false positive rate of network pharmacology prediction is greatly reduced; pheWAS-MR is introduced to perform system identification on phenotypes of various diseases, so that a potential off-target effect can be identified in advance, the multiple effects and possible adverse reactions of potential treatment targets in traditional Chinese medicine compound targets can be evaluated, powerful data support is provided for subsequent clinical test design and drug alert strategies, and the risk of later failure of research and development is effectively reduced.

A method for identifying cell subpopulations associated with disease phenotypes, belonging to the biomedical field. To identify cell subpopulations associated with disease phenotypes, this invention collects single-cell RNA sequencing data of the disease to obtain a single-cell expression matrix, collects the bulk expression matrix of the disease and corresponding phenotypic tags, and downloads human protein-protein interaction data to construct a protein-protein interaction network; extracts gene signature features of cells and samples and maps them to the protein-protein interaction network to form corresponding cell modules and sample modules; calculates the distance between each cell module and each sample module, and determines a set of multiple sample modules as the sample module set of the disease phenotype; calculates the distance between cell modules and the sample module set of the disease phenotype; creates a background distance distribution to evaluate the statistical significance of the distance between cell modules and the sample module set of the disease phenotype, and identifies cells whose distance to the sample module set of the disease phenotype is significantly smaller than the background distance distribution.

The invention belongs to the technical field of gene engineering, and particularly relates to a construction method of a ribosomal disease zebrafish model. The invention provides a construction method of a ribosomal disease zebrafish model, which comprises the following steps: directionally mutating a pno1 gene in a wild zebrafish embryo to obtain F0-generation zebrafish; mating the F0-generation zebrafish with wild type zebrafish, and screening out positive heterozygote F1-generation zebrafish from birth zebrafish as the ribosomal disease zebrafish model. The zebrafish mutant is constructed through the targeted ribosomal factor gene, multi-system phenotypes of hematopoietic system defects, skeletal insufficiency and digestive system dysplasia can be reproduced at the same time, the problem that in the prior art, disease phenotypes are incomplete is solved, and the zebrafish mutant can be widely applied to pathogenesis research and drug screening of ribosomal diseases and has a wide application prospect. An important platform is provided for developing a novel treatment means.

The present application relates to a kind of difficult culture pathogen resistance identification method and its application, belong to the field of agriculture and forestry science, step 1: the culture screening of toxic source plant, plant to be identified and indicator plant;Step 2: grafting transmission, the toxic source plant screened only with difficult culture pathogen, the plant to be identified without difficult culture pathogen and indicator plant are arranged in position, and transmission is carried out using grafting method;Step 3: observation and detection, according to the disease cycle of difficult culture pathogen, the disease phenotype of plant to be identified and indicator plant in step 2 is observed, and the colonization, propagation of difficult culture pathogen is detected by PCR method;Step 4: disease resistance and pathogen running speed evaluation.Effectively solve the problem that the identification result is inaccurate due to the low inoculation rate of difficult culture pathogen using transmission medium, the inconsistency of inoculation source pathogen and other reasons, the error is larger in resistance identification work, etc.

The invention discloses a construction method and application of a mouse model for testicular development disorder caused by Map3k1 gene mutation. The method comprises the following steps: designing and constructing sgRNA and a homologous recombinant vector capable of specifically recognizing a Map3k1 gene on the basis of a CRISPR / Cas9 system, injecting the sgRNA and the homologous recombinant vector into a mouse fertilized egg, screening out an F0-generation mouse with Map3k1 gene mutation from a mouse produced after the fertilized egg is transplanted, and hybridizing the F0-generation mouse with a wild type mouse to obtain a stably inherited Map3k1 gene mutation mouse model. The phenotype detection result of the mouse model shows that the fertility of the mouse model is remarkably reduced, and testis dysplasia conforms to the disease phenotype of testis dysplasia. The mouse model provides a convenient, reliable and economic means for researching the relationship between Map3k1 gene mutation and testicular dysplasia and the pathogenesis of the Map3k1 gene mutation and testicular dysplasia, and can be used for researching the pathogenesis of testicular dysplasia, a treatment method, drug screening and the like.

The application relates to methods for identifying putative regulatory elements that regulates a gene, comprising: obtaining a measure of intrinsic activity of a plurality of genomic elements; obtaining a measure of proximity between each of the genomic elements and the gene; scoring a predicted impact of each of the genomic elements on the gene as a function of the measure of intrinsic activity and the measure of proximity, wherein a plurality of predicted impacts scored are ranked to identify at least one genomic element as a putative regulatory element that regulates the gene; and optionally, training, optimizing, and / or validating the scoring of predicted impact using experimental or computational data describing functional interactions between the genomic elements and the gene. The application also relates to methods for identification of transcriptional enhancers and repressors regulating a gene associated with an agricultural trait of interest in plants or a disease phenotype in mammalians.

The application provides a method and system for optimizing SNP interaction selection precision based on an ant colony algorithm, and the method comprises the following steps: each artificial ant selects an SNP interaction in a search space, all artificial ants are divided into several populations, and an adaptive function is allocated to each population, and the adaptive function is used to evaluate the correlation between the SNP interaction and a disease phenotype; an information matrix is updated by using any pheromone updating strategy; in each iteration process of the ant colony algorithm, a self-learning mechanism is set by taking the maximum cumulative reward of the ants as a target, and the pheromone updating strategy is changed through the self-learning mechanism. Based on the method, a system for optimizing SNP interaction selection precision based on the ant colony algorithm is also provided. The application is used for accurately selecting SNP interactions related to a disease phenotype, several different path selection strategies are designed, and the path selection strategy which can bring the maximum selection ability to the algorithm is adaptively selected in the search process of the algorithm based on reinforcement learning.

The application discloses application of forskolin and / or isoforskolin in preparation of a medicine for preventing and / or treating colitis, and belongs to the technical field of medicines.The medicine can significantly improve the disease phenotype of colitis, including relieving weight loss, reducing disease activity index score, improving colon length shortening and histopathological damage.The mechanism of action involves multiple targets: repairing intestinal mucosal barrier function, reducing local inflammation of the colon, and regulating intestinal flora balance, restoring the abundance of beneficial bacteria and inhibiting the proliferation of pathogenic bacteria.The application provides a candidate drug with anti-inflammatory, barrier repair and flora regulation functions for the treatment of colitis, and expands the medical use of forskolin or isoforskolin.

The invention relates to the technical field of animal models, and particularly discloses a construction method and application of a mouse model with fat dystrophy complicated with atherosclerosis, and the construction method comprises the following steps: mating MED1flox / flox mice with Adipoq-CreERT2 mice to obtain F1-generation mice; the F1-generation mice and MED1flox / flox mice are subjected to backcross, the mice with the genotype being MED1fl / flAdipoq-Cre < + / -> are screened, tamoxifen is injected to induce fat cell specific Cre recombinase expression, and fat cell specific MED1 gene knockout mice are obtained; and performing caudal vein injection of AAV8-PCSK9 virus and feeding with a high-cholesterol and high-fat feed to obtain the fat dystrophy complicated with atherosclerosis mouse model. According to the method provided by the invention, the mouse model with fat dystrophy complicated with atherosclerosis is successfully constructed and obtained, and collaborative simulation and regulation of phenotypes of two diseases are realized.

The present invention provides a method for targeting a maternal UBE3A allele to establish an animal model of Angelman syndrome and use thereof. By means of extensive and in-depth research and screening of the sequences of primate genome UBE3A genes, a target suitable for genetic engineering is obtained: an intron upstream of and / or an intron downstream of exon 5 of a maternal UBE3A gene. An animal model of Angelman syndrome can be obtained by performing downregulation targeting the target. The animal model has a stable and controllable state and a typical disease phenotype, which is conducive to observation.

The application discloses an ncRNA gene mutation interpretation method, a storage medium and a terminal, and relates to the field of ncRNA gene mutation interpretation.The ncRNA gene mutation interpretation method comprises the following steps: constructing an ncRNA gene pathogenic mutation standard dataset, an ncRNA gene benign variation standard dataset and an ncRNA gene variation harmfulness standard dataset for experimental verification; constructing a scoring model for training ncRNA gene variation harmfulness and an ncRNA gene related disease phenotype similarity scoring model by using the aforementioned datasets; performing logistic regression modeling on harmfulness scoring files and ncRNA gene disease phenotype similarity scoring files containing the same number of pathogenic and benign ncRNA gene variation sites by using data mining software; obtaining an algorithm model for screening and identifying specific evaluation of ncRNA gene pathogenic mutations; training the algorithm model; and interpreting and reporting ncRNA gene mutations by using the trained algorithm model.The ncRNA gene mutation interpretation method can realize standardized, automatic, intelligent and high-throughput clinical interpretation reports for ncRNA gene mutations, greatly improves the interpretation efficiency and the accuracy of the interpretation.

The present invention provides methods of profiling gene and protein expression of a plurality of nuclei from a single cell type and comparing the profiles to determine variability among cell populations, samples from different subjects, and cells expressing a disease phenotype.

The present disclosure relates to systems, methods and computer program products for drug development using in silico techniques. An aspect of the disclosure is directed to an in silico method for determining drug activity of a plurality of drug targets by determining biomarker stratifier effects, calculating a biomarker stratifier score for a chosen disease phenotype; and calculating a pharmacomimetic genetic score using molecular biomarker stratifier data.

The invention provides an application of a liver Sdhaf4 gene in preparation of a retinopathy model. The inventor is devoted to research on retinopathy for a long time, through deep research tests, a brand-new retinopathy-causing gene target of peripheral tissues related to retinopathy, namely the Sdhaf4 gene is disclosed, and through reasonable design, the Sdhaf4 gene can be used for preparing a new retinopathy-causing gene target. The retinopathy animal model under the condition of good blood glucose control can be obtained by targeting the target and implementing down-regulation. The animal model is stable and controllable in state, typical in disease phenotype and easy to observe.

The present disclosure relates to systems, methods, and computer program products for drug development using in silico techniques. One aspect of the disclosure relates to an in silico method for determining drug activity for multiple drug targets by determining biomarker stratification factor effects, calculating biomarker stratification factor scores for a selected disease phenotype, and calculating pharmacomimetic gene scores using molecular biomarker stratification factor data.

The present disclosure relates to systems, methods and computer program products for drug development for chronic liver disease (CLD) or non-alcoholic steatohepatitis (NASH) using in silico techniques. An aspect of the disclosure is directed to an in silico method for determining drug activity of a plurality of drug targets by determining biomarker stratifier effects, calculating a biomarker stratifier score for a chosen disease phenotype; and calculating a pharmacomimetic genetic score using molecular biomarker stratifier data.

The invention provides a multisystem disease analysis method based on gastrin plasma proteomics, which comprises the following steps of: A, analyzing a large number of adult individuals subjected to baseline evaluation by using queue research data of a biological sample library, and measuring a plurality of plasma proteins; b, analyzing a standardized protein expression (NPX) value of gastrin (GAST) by adopting a multivariable Cox proportional risk model, and correcting by using Bonferroni so as to reduce a false positive result; and C, exploring the correlation between the GAST-PRS and the disease phenotype by adopting full phenotype correlation analysis (PheWAS) based on polygene risk score (PRS), and further analyzing the genetic correlation between the GAST and the disease by using linkage imbalance score regression (LDSC). According to the method, the GAST can be redefined as a cross-system risk regulation factor, and the method is of great significance to layering of patients with shared pathway imbalance. The GAST has multi-system correlation with morbidity and mortality in the outcome of 168 diseases, and challenges the classical normal form of the gastrointestinal specific function of the GAST. These findings establish the location of GAST as a multi-system risk indicator.

The application of a natural small molecule compound in the preparation of a drug for treating a disease related to CSF1R function loss belongs to the technical field of medicine. The natural small molecule compound Diosmetin-7-O-beta-D-glucopyranoside (DDG) can effectively improve the disease phenotype of a CSF1R function loss model mouse by up-regulating the transcription and protein expression of CSF1R in microglia through enhancing the activity of a super-enhancer FIRE in the second intron of the CSF1R gene. The drug can be prepared into injection preparations, oral preparations, spray preparations, ointment preparations or patches, and provides a natural small molecule treatment scheme for diseases related to the weakening / loss of CSF1R content or function, and has a wide clinical application prospect.

The application belongs to the field of plant genetic engineering, and discloses a pepper cucumber mosaic virus disease resistance related gene and application thereof. The application constructs overexpression plants of pepper gene Capana00g000026 and silencing plants of the pepper gene Capana00g000026, identifies characteristics of the plants after inoculation of the cucumber mosaic virus, and analyzes the role of the pepper gene Capana00g000026 in the defense of the pepper infected with the cucumber mosaic virus; the genes related to the defense are screened; it is proved that increasing the content of the gene can significantly reduce the accumulation amount of the virus in the pepper leaves, and the disease phenotype of the plant is weakened, so the gene can be applied to pepper virus resistance engineering. The gene can be applied to the pepper, and the breeding material with CMV resistance can be cultivated by transformation of the pepper material.

The invention belongs to the technical field of biological medicines, and particularly discloses an induced pluripotent stem cell (iPSC) strain carrying ABCB4 gene mutation and application thereof. The stem cell strain is preserved in the China Center for Type Culture Collection (the preservation number is CCTCC NO: C2025125), and carries ABCB4 gene composite heterozygous mutation c.992Ggt; a is (p.G331E), and c is 3152Tgt; the invention relates to the field of biomarkers (p.V1051A, C (p.V1051A), which can stably express pluripotent markers (OCT4, SOX2, NANOG and SSEA4), and has the capability of differentiating towards trigerm layers. The stem cell strain can be used for constructing a research model of progressive familial intrahepatic cholestasis type 3 (PFIC3), simulates disease phenotypes by differentiating hepatic cells or bile duct cells, is suitable for drug screening and gene therapy research, and provides a precise humanized tool for mechanism analysis and treatment development of ABCB4 mutation related diseases.

The present invention relates to the field of pharmaceutical technology, and in particular to a drug repositioning method for integrating multi-source biological data based on meta-paths, comprising obtaining an original data set; constructing a fused heterogeneous network, fusing the association matrices of drug, disease, and protein pairs and their respective similarity matrices to obtain a heterogeneous graph; designing a multi-level association path based on negative sampling of meta-paths and similarities, fusing similarity information of networks at the same level in the heterogeneous network based on the similarity principle, and selecting negative link samples; extracting drug features; constructing an SMS-MPF module, walking the meta-path through the heterogeneous network, extracting and fusing features between different meta-paths, and obtaining association features between drugs and diseases; and inputting the disease phenotype similarity matrix, drug features, and association features between drugs and diseases into an association prediction module to obtain a final node representation. The present invention addresses the significant defects in the selection of positive and negative samples in existing methods.

The invention provides a method for establishing an angel syndrome animal model by targeting a UBE3A maternal allele and application. On the basis of extensive and in-depth research and screening of sequences of primate genome UBE3A genes, a target suitable for gene modification is obtained: an upstream intron and / or a downstream intron of maternal UBE3A gene exon5, and an angel syndrome animal model can be obtained by targeting the target to implement down regulation. The animal model is stable and controllable in state, typical in disease phenotype and easy to observe.

The invention discloses a method for phenotypic analysis and severity quantification of potato tuber diseases by using a double-ended CNN-Transform network, and belongs to the technical field of potato disease detection. The invention aims to realize accurate classification of potato tuber diseases. The method comprises the steps that a potato disease data set is constructed, and an Anylaging tool is used for labeling; performing data enhancement to obtain a potato disease data set after data enhancement, and dividing the potato disease data set into a training set and a test set; the method comprises the following steps: constructing a double-end hybrid CNN-Transform architecture, a CNN encoder for local feature extraction, a Transform bottleneck layer for global context modeling and a double-end output structure coupled through a novel SAP mechanism, wherein the CNN encoder, the Transform bottleneck layer and the double-end output structure are connected in sequence; and constructing a composite multi-task loss function to train the double-headed mixed CNN-Transform architecture, and carrying out automatic diagnosis and detection on the potato diseases by adopting a test set.

The invention discloses a method for improving black spot resistance of crops by raffinose, which comprises the following steps: selecting healthy and consistent seedling-stage plants of the crops, and culturing; raffinose solution preparation: preparing raffinose solutions with different concentrations, respectively spraying the raffinose solutions on the plants in the step 1, spraying the raffinose solutions once every 24 hours in a laboratory scene, spraying the raffinose solutions twice in total, spraying the raffinose solutions once every 5 days in a field scene, spraying the raffinose solutions three times in total, and spraying clear water in a contrast manner; after spraying in the step 2 is finished for 24 hours, inoculating alternaria alternata to the control plants and the treated plants, comparing disease phenotypes under different raffinose concentrations, and screening the concentration with the optimal effect; 3, according to the result of the step 3, determining that the spraying effect of the raffinose solution with the concentration of 2.4% is optimal, selecting the raffinose solution with the concentration to be sprayed on the plants, the spraying method is the same as that of the step 2, performing artificial inoculation 24 hours after the last time of spraying is finished, observing the disease phenotype, and counting the disease state. After being treated by the 2.4% raffinose solution, the disease spot areas of the tea chrysanthemum, the apples and the tomatoes are obviously reduced.

The invention provides a gene detection kit for molecular diagnosis of hemangioma and vascular malformation and application. Specifically, the invention provides a gene combination for determining molecular diagnosis of hemangioma and vascular malformation, and based on NGS panel + RNAseq gene sequencing, the gene combination for molecular diagnosis of hemangioma and vascular malformation provided by the invention can be applied to all molecular diagnosis and liquid biopsy related to hemangioma and vascular malformation. The correlation between mutation sites and abundance and disease phenotypes is disclosed, so that the method has a relatively great clinical popularization and application prospect.

The invention provides a digital PCR (Polymerase Chain Reaction) primer probe combination for PIK3CA (Polymerase Chain Reaction) related overgrowth spectrum molecular diagnosis and application of the digital PCR primer probe combination. Specifically, the invention provides a digital PCR (Polymerase Chain Reaction) primer combination for molecular diagnosis of PIK3CA-related overgrowth spectroscopy (PROS). Through acquisition and treatment of pathological specimens, establishment of reaction internal reference, design of digital PCR primers and probes for PIK3CA-related excessive growth spectrum (PROS) molecular diagnosis and automatic analysis and treatment of digital PCR results, the digital PCR detection and automatic analysis system provided by the invention can be used for carrying out PROS-related molecular diagnosis and liquid biopsy in a disease range of application; the correlation between mutation sites and abundance and disease phenotypes is disclosed, so that the method has a relatively great clinical popularization and application prospect.

The present disclosure relates to systems, methods, and computer program products for drug development using computer simulation technology. One aspect of the present disclosure relates to a computer simulation method for determining drug activity of a plurality of drug targets by determining biomarker stratification indicator effects, calculating a biomarker stratification indicator score for a selected disease phenotype, and calculating a drug simulation genetic score using molecular biomarker stratification indicator data.