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52 results about "Disease early" patented technology

Intelligent animal epidemic disease monitoring management and early warning workstation

The invention discloses an intelligent animal epidemic disease monitoring management and early warning workstation, which comprises a multi-modal data acquisition module, an epidemic disease risk assessment module, a dynamic early warning threshold generation and judgment module, a visual human-computer interaction interface and a block chain storage module, the multi-modal data acquisition module is used for acquiring animal data of each monitoring point in a preset monitoring area and environment data of animals; the epidemic disease risk assessment module is used for comprehensively analyzing the animal data and the data of the environment where the animals are located to obtain epidemic disease risk indexes of all monitoring points in the current monitoring area; the dynamic early warning threshold generation module is used for dynamically generating an early warning threshold and judging an epidemic disease risk index to obtain an epidemic disease risk level and an epidemic disease risk area; the visual human-computer interaction interface is used for displaying the epidemic disease risk condition in the monitoring area; and the block chain storage module is used for data storage. According to the invention, the accuracy and timeliness of early warning of epidemic diseases are improved.
Owner:湘西土家族苗族自治州畜牧水产事务中心

Laying hen disease early-stage AI early warning method and system

The invention relates to pattern recognition and anomaly detection in the technical field of computers, and discloses a laying hen disease early-stage AI early warning method and a laying hen disease early-stage AI early warning system. The method comprises the following steps: obtaining a laying hen behavior video stream, an excrement image and body temperature data, and carrying out preprocessing such as timestamp alignment and equipment number mapping to generate a training and reasoning input structure; then target tracking, key point coding, region segmentation, contour feature coding and body temperature fragment statistical coding are executed to extract a multi-source feature sequence; performing time window alignment, scale normalization, pattern recognition and anomaly detection processing on the multi-source features to realize disease type recognition; and finally, generating an early warning event based on rule triggering and threshold judgment, and forming closed-loop disposal through prevention and treatment scheme retrieval and instruction arrangement. According to the method, collaborative analysis and early abnormity early warning of multi-source heterogeneous data are realized, and the disease recognition accuracy and early warning timeliness are remarkably improved.
Owner:WUHAN GUOKAI HENGUO TECHNOLOGY CO LTD

Disease early warning method and device, electronic equipment and medium

The invention relates to a disease early warning method and device, electronic equipment and a medium, and belongs to the technical field of medical decision, and the method comprises the steps: obtaining image data and physiological signal data of a patient; inputting the image data into a fully trained convolutional neural network model to obtain a first feature, and inputting the physiological signal data into a fully trained long-short-term memory network model to obtain a second feature; inputting the first feature and the second feature into a fully trained dynamic weighted graph attention network model to obtain a comprehensive feature; the comprehensive features are input into a decision model which is completely trained, a disease attack risk value is obtained, early warning is carried out based on the disease attack risk value, and the decision model is constructed based on a neural network. The structural features of the image data are extracted through the neural network, the time sequence features of the physiological signal data are extracted through the long-short-term memory network, multi-modal medical data deep fusion is achieved, and the diagnosis precision is effectively improved.
Owner:HUBEI ENG UNIV

Polypeptide targeting macrophage PLIN2, PET molecular probe and preparation method and application thereof

The invention belongs to the technical field of early diagnosis of diseases, and discloses a polypeptide targeting macrophage PLIN2, a PET molecular probe and a preparation method and application thereof.Firstly, the polypeptide P672-1 targeting the PLIN2 is synthesized, and 64Cu-NOTA-P672-1 is prepared on the basis of the polypeptide P672-1. The molecular probe has the good chemical yield and stability, has the good targeting performance on the PLIN2, and can be used for preparing 64Cu-NOTA-P672-1. And the biological safety performance is good. Compared with the conventional 18F-FDG, the 64Cu-NOTA-P672-1 prepared by the preparation method disclosed by the invention has a good early diagnosis effect. The preparation method of the 64Cu-NOTA-P672-1 is simple and easy to implement, and the 64Cu-NOTA-P672-1 can be used for diagnosing early abdominal metastasis of ovarian cancer with high expression of PLIN2 The nuclide 64Cu-NOTA-P672-1 disclosed by the invention has important clinical significance on early diagnosis of ovarian cancer metastasis.
Owner:THE FIFTH AFFILIATED HOSPITAL SUN YAT SEN UNIV

A deep learning-based illness warning method and system

The application provides a disease early warning method and system based on deep learning, and relates to the technical field of medical data analysis. The method comprises the following steps: acquiring an electrocardiogram signal of a patient; performing denoising processing on the electrocardiogram signal to obtain a denoised electrocardiogram signal; performing data enhancement processing on the denoised electrocardiogram signal through an SMOTE algorithm to obtain an enhanced electrocardiogram signal; constructing a disease prediction classification model based on deep learning; taking the enhanced electrocardiogram signal as input, outputting a category prediction result through the disease prediction classification model based on deep learning; and performing myocardial infarction disease early warning according to the category prediction result. In the application, the denoising processing on the electrocardiogram signal and the construction of the disease prediction classification model based on deep learning can effectively improve the data quality, automatically learn complex features, capture key time sequence correlations, and thus improve the accuracy of the prediction result.
Owner:CAPITAL UNIVERSITY OF MEDICAL SCIENCES

Plasma metabolism marker combination for predicting human aging and application thereof

The invention discloses a biomarker composition for predicting the biological age or aging state of an individual, and the biomarker composition comprises tetracosyl saturated fatty acid / tetracosyl monounsaturated fatty acid phosphatidylcholine (PC 24: 0 / 14: 1), cysteine-glycine-cysteine tripeptide (Cys-Gly-Cys), cysteine-glycine-cysteine tripeptide (Cys-Gly-Cys), cysteine-glycine-cysteine tripeptide (Cys-Gly-Cys), cysteine-glycine-cysteine tripeptide (Cys-Gly-Cys), cysteine-glycine-cysteine tripeptide (Cys-Gly-Cys), cysteine-glycine- The invention relates to a pharmaceutical composition for the preparation of a pharmaceutical composition, which comprises the following components in parts by weight: 20: 0 / 22: 5, 20 / docosapentaenoic acid monohexosyl sphingosine amide (HexCer 20: 0 / 22: 5), trigonelline, lithocholic acid glycine (Lithocholic acid glycine), and octadecanoic saturated fatty acid / octadecanoic monounsaturated fatty acid phosphatidylcholine (PC 18: 0 / 18: 1). The biomarker can be used for accurately characterizing the aging state of an organism, and provides a strategy for early screening, intervention evaluation, accurate health management and the like of related diseases of the elderly.
Owner:UNIV OF SCI & TECH OF CHINA

Biomarker HLA-DOA for sepsis-related diseases and use thereof

The present invention relates to a biomarker HLA-DOA for sepsis-related diseases and a use thereof. The present invention provides a use of HLA-DOA or an active fragment or functional fragment thereof in the preparation of a product for early diagnosis, risk assessment, immune status assessment, prognosis prediction and / or treatment regimen selection of sepsis-related diseases in a subject.
Owner:CHENGDU CELENOV BIOTECH CO LTD

Cerebrovascular disease risk prediction method

The invention discloses a cerebrovascular disease risk prediction method, and particularly relates to the field of disease risk prediction, and the method comprises the following steps: S1, collecting basic clinical data, dynamic physiological parameter data and image feature data of a target object, and constructing a data set; s2, performing feature extraction on the basic clinical data, the dynamic physiological parameter data and the image feature data, and fusing the extracted features to obtain a fused feature set; s3, constructing a fusion prediction model through the fusion feature set; and S4, inputting the data set into the fusion prediction model, and outputting a risk prediction result. According to the method, the information short board of a single data type is made up, different types of data are converted into a unified computable form through standardized quantitative processing, core information with risk indication significance is effectively screened out in combination with abnormal data proportion analysis and dynamic fluctuation intensity evaluation, and the recognition capability of early potential risks of diseases is remarkably improved.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Application of protein marker in preparation of product for early screening, identification and diagnosis of amyotrophic lateral sclerosis

The invention belongs to the field of early screening of diseases, and particularly relates to application of a protein marker in preparation of a product for early screening, identification and diagnosis of amyotrophic lateral sclerosis. The expression of LanCL1 in serum of ALS patients is higher than that in serum of healthy people and is negatively related to the state of illness, and the marker has no abnormality in Parkinson's disease patients and is high in specificity. The product is a blood detection kit, sampling is convenient, patient compliance is good, early diagnosis, identification and illness state evaluation of ALS can be achieved, and the problems that an existing marker is insufficient in specificity and complex in sampling are solved.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Sepsis-related disease biomarker HLA-DQA and use thereof

The present invention relates to a sepsis-related disease biomarker HLA-DQA and the use thereof. Provided in the present invention is the use of HLA-DQA or an active fragment and functional fragment thereof in the preparation of a product for early diagnosis, risk assessment, immune status assessment, prognosis prediction, and / or treatment regimen selection of a sepsis-related disease in a subject.
Owner:CHENGDU CELENOV BIOTECH CO LTD

Deep learning-based illness state early warning method and system

The invention provides an illness state early warning method and system based on deep learning, and relates to the technical field of medical data analysis. The method comprises the following steps: acquiring an electrocardiogram signal of a patient; performing denoising processing on the electrocardiogram signal to obtain a denoised electrocardiogram signal; based on the de-noised electrocardiogram signal, performing data enhancement processing through an SMOTE algorithm to obtain an enhanced electrocardiogram signal; constructing an illness state prediction classification model based on deep learning; taking the enhanced electrocardiogram signal as input, and outputting a category prediction result through an illness state prediction classification model based on deep learning; and performing myocardial infarction condition early warning according to the category prediction result. According to the method, the data quality can be effectively improved, complex features can be automatically learned, and key time sequence association can be captured by performing denoising processing on the electrocardiogram signals and constructing the disease condition prediction classification model based on deep learning, so that the accuracy of a prediction result is improved.
Owner:CAPITAL UNIVERSITY OF MEDICAL SCIENCES

Three-gene combination, primer probe set and system for qPCR (quantitative polymerase chain reaction) rapid screening of tuberculosis progression risk and application of three-gene combination, primer probe set and system

The invention discloses a three-gene combination, a primer probe set and a system for qPCR (quantitative polymerase chain reaction) rapid screening of tuberculosis progression risk and application of the three-gene combination, the primer probe set and the system. The method comprises the following steps: firstly, screening out candidate genes APOL1, C1QC and SOCS1 which are stable across time windows and have high prediction performance; then a three-gene combination scoring you model (PRI3) composed of APOL1, C1QC and SOCS1 is constructed and used for predicting the risk that a latent tuberculosis infected individual progresses into active tuberculosis within a set time window; the method comprises the following steps of: firstly, selecting a reference model (RISK6, Sweeney3, Gliddon4 and BATF2), then performing performance verification in an independent verification queue, and comparing with the existing reference model (RISK6, Sweeney3, Gliddon4 and BATF2), and the result shows that the scoring model disclosed by the invention can keep stable performance in adult population and multiple time windows (such as 0-6 months, 0-12 months and 0-24 months). The scheme of the invention is suitable for crowd screening, disease early warning and individualized intervention decision.
Owner:SHANGHAI PUBLIC HEALTH CLINICAL CENT

A disease prognosis risk early warning method and system based on big data

The application relates to the technical field of disease prognosis risk early warning, and particularly discloses a disease prognosis risk early warning method and system based on big data, which comprises the following steps: obtaining all reference prediction patients of a current patient based on all types of health data of the current patient; obtaining the evaluation and assignment of each type of health data of the current patient based on each type of health data of the current patient and an evaluation and assignment model of each type of health data; obtaining a disease early warning reference graph and a disease early warning comparison graph of the current patient based on the evaluation and assignment of all types of health data of all reference prediction patients of the current patient; and obtaining a disease prognosis risk estimation value of the current patient based on the disease early warning reference graph and the disease early warning comparison graph of the current patient, and then obtaining a disease prognosis risk early warning result of the current patient. The application realizes accurate quantification of the degree of future development and recovery risk of the disease of the current patient, improves the accuracy and reliability of disease early warning, and ensures effective use of resources.
Owner:JILIN UNIVERSITY

Point of care device for early and rapid disease diagnosis

Early stage, rapid, low-cost detection of disease components in a biological sample is critically important. A point of care device can include a collection region and can be used to hold a sample that is combined with a fluorescent dye and a plurality of magnetic particles such that disease components in the sample are tagged with the fluorescent dye and the plurality of magnetic particles. At least one magnet can be located next to the collection region to establish a magnetic field gradient to draw the tagged disease components into the collection region from the device. A fluorescence microscope can image the small collection region based on the fluorescent dye to detect the disease components. The fluorescence microscope uses light to excite the fluorescent dye and a filter to transmit light emitted by the fluorescent dye to the fluorescence microscope, while restricting light used to excite the fluorescent dye.
Owner:CASE WESTERN RESERVE UNIV

Biomarker for predicting prognosis of BPA-induced intrahepatic cholangiocarcinoma, scoring model and application

PendingCN120758627AMicrobiological testing/measurementBiostatisticsIntrahepatic CholangiocarcinomaIndividualized treatment
The invention discloses a biomarker for predicting prognosis of BPA-induced intrahepatic cholangiocarcinoma, a scoring model and application, and belongs to the technical field of biomedicine. The biomarker is composed of eight genes, namely, GAPDH (Glyceraldehyde-3-phosphate Dehydrogenase), HSP90AA1 (Hepatocyte Specific Protein 90AA1), CTNNB1 (Cytotoxic Nuclear Nuclear Nuclear Nuclear B1), NFKBIA (Nuclear Factor Kinase Kinase Institute), HSPA5 (Hepatocyte A risk scoring model is constructed by utilizing the biomarkers, and by calculating risk scores, clinical recognition of intrahepatic cholangiocarcinoma prognosis high-risk patients can be assisted in advance, so that an effective strategy can be adopted in an early stage of a disease, the recurrence probability is reduced, the lifetime of the patients is prolonged, and an accurate basis is provided for formulating an individualized treatment scheme.
Owner:NANFANG HOSPITAL OF SOUTHERN MEDICAL UNIV

Predictive diagnostic tests for early detection and monitoring of diseases

Methods and systems for the detection and diagnosis of diseases, including cancer. [Solution] A patient's sample is analyzed by absorption spectroscopy in the near-infrared and mid-infrared ranges to create a spectral signature, and the sample is obtained from the patient. This signature is processed by a computational engine using one or more machine learning techniques to determine whether the spectral signature indicates the presence of a disease, including one or more cancers. The embodiment operates outside the conventionally accepted wavelength range, facilitating faster, simpler, and more reliable testing.
Owner:オンコデア·コーポレーション

Infectious disease morbidity prediction method and system based on three-layer dimension parallel convolution

The invention relates to an infectious disease morbidity prediction method and system based on three-layer dimension parallel convolution, and belongs to the technical field of artificial intelligence and public health monitoring. Aiming at the problems of difficulty in collaborative modeling of multi-source data, difficulty in balancing long-term trend and short-term fluctuation and lack of adaptive feature fusion in an existing prediction method, the method comprises the following steps: firstly, preprocessing input time sequence data and decomposing the data into coarse, medium and fine granularity features; then long-term trend, medium-term period and short-term fluctuation characteristics are extracted through three parallel branches of a kernel adaptive network, a multi-scale time sequence convolution network and a time sequence convolution module respectively; and then the multi-scale features are subjected to adaptive weighted fusion by using a gating fusion unit, and finally a prediction value is output through a full connection layer. The method is mainly used for accurately predicting the morbidity of infectious diseases and provides support for disease early warning and prevention and control resource allocation.
Owner:LANZHOU UNIV

Method of targeted multi-panel approach and tiered a.i. use for differential diagnosis and prognosis

A diagnostic platform that enables multi-disease diagnostic panels which will help primary care physicians track the health status of patients as well as recognize disease early. The diagnostic platform implements a method of biomarker selection and tiered Artificial Intelligence (A.I.) approach comprising a multi-level machine / deep learning (ML / DL) system which is using multi-panels of biomarkers.
Owner:THE ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIV OF ARIZONA

Method for auxiliary assessment of early risk of Alzheimer's disease based on EFEMP1 detection

The invention discloses a method for auxiliary assessment of early risk of Alzheimer's disease based on EFEMP1 detection. The method is an in-vitro non-diagnostic analysis method, and comprises the following steps: detecting the biomarker level of EFEMP1 in a biological sample of a subject, and obtaining information for evaluating the AD early risk of the subject based on a detection result. The biomarker comprises an EFEMP1 genotype, an EFEMP1 mRNA (messenger Ribonucleic Acid) expression level or an EFEMP1 protein concentration. When the risk assessment is realized by quantitatively detecting the concentration of the EFEMP1 protein in the plasma, an immunodetection kit containing a capture antibody and a detection antibody aiming at different epitopes of the EFEMP1 protein can be specifically adopted. Objective information for risk judgment is obtained by detecting the protein concentration, genotype or mRNA level of EFEMP1 in a biological sample of a subject, early-stage and non-invasive monitoring of an AD upstream pathological mechanism is achieved, and a new strategy is provided for early warning of diseases.
Owner:BEIJING YUANHE HUIYU BIOTECHNOLOGY CO LTD

Automatic identification method and system for infectious disease risk place

The invention discloses an automatic identification method and system for an infectious disease risk place. The method comprises the following steps: acquiring symptoms and spatio-temporal trajectory information of each case; generating a symptom semantic feature vector of each case according to the symptom, and respectively generating a space mapping vector and a time mapping vector of each case according to the spatio-temporal trajectory information; carrying out feature fusion on the vectors, constructing a spatio-temporal index of each case, and obtaining a spatio-temporal index data set; carrying out clustering analysis by adopting an adaptive density clustering algorithm, and carrying out feature mapping processing on a clustering result to obtain a feature mapping vector of each case; and performing visual display on the feature mapping vector by using a visualization engine so as to automatically identify the infectious disease risk site. According to the method, the infectious disease risk site can be quickly, accurately and visually identified, a foundation is laid for deeply carrying out disease early warning, and a theoretical basis is provided for formulating prevention and treatment strategies and measures.
Owner:SHANGHAI MAPPING INST +1

Application of integrin alpha3 as focal segmental glomerulosclerosis biomarker

PendingCN121186377ABiological testingFluorescence/phosphorescenceSegmental glomerulosclerosisBowman's capsule
The invention discloses application of integrin alpha3 as a focal segmental glomerulosclerosis biomarker, and belongs to the technical field of biological detection. A sample used for detection is kidney tissue, and the expression level and distribution of integrin alpha3 in the sample are detected. By detecting and analyzing the expression level and distribution of the integrin alpha 3 in the epithelial cells of the cyst wall layer in the glomerulus, the segmental sclerosis globules in the early stage of the disease can be identified, and the method is an effective method for assisting in diagnosing focal segmental glomerulosclerosis.
Owner:CHILDRENS HOSPITAL OF CHONGQING MEDICAL UNIV

Early disease detection device and method based on high-depth cell-free nucleic acid sequencing

The invention relates to an early disease detection device based on high-depth cell-free nucleic acid sequencing, and the device can comprise a library preparation part which is used for preparing a library set comprising a whole genome sequencing library, a whole epigenome sequencing library, a transcriptome sequencing library and an epitranscriptome sequencing library based on cell-free nucleic acid extracted from blood; the sequencing part is used for sequencing the library set to generate high-depth cell-free nucleic acid sequencing data; the signal calculation part is used for mapping the high-depth cell-free nucleic acid sequencing data to a genome reference sequence so as to determine the position of the high-depth cell-free nucleic acid sequencing data on a genome, and calculating at least one disease-specific signal value based on the mapped high-depth cell-free nucleic acid sequencing data; a prediction signal value generation section for processing the at least one disease-specific signal value to generate a disease prediction signal value; and a prediction model generation unit for generating a disease prediction model using the marker information relating to the blood and the disease prediction signal value to detect the occurrence or absence of a disease in the input blood and the type of the disease.
Owner:GENOME4ME INC

Cerebral small vascular disease early diagnosis and progress prediction auxiliary decision-making system

The invention discloses an auxiliary decision-making system for early diagnosis and progress prediction of cerebral small vascular diseases. The system comprises a data acquisition module, a data processing module, a comprehensive analysis module and a data storage module, the data acquisition module is used for acquiring proteomics detection data of a patient; the data processing module is used for analyzing the detection data of the patient to obtain analysis results of different detection data; the comprehensive analysis module is used for carrying out comprehensive analysis on analysis results of different detection data and generating auxiliary decision prompt information; and the data storage module is used for storing the data of the patient. Through comprehensive analysis of iron metabolism imbalance detection data and protein detection data of a patient, the disease early diagnosis sensitivity and disease early prediction accuracy are improved, and meanwhile, the accuracy of a diagnosis report auditing result is improved.
Owner:GUANGXI JINYU MEDICAL LAB CO LTD

Colloidal gold immunochromatography kit for detecting AD7C-NTP protein and application

The invention relates to a colloidal gold immunochromatography kit for detecting AD7C-NTP protein and application, and relates to the technical field of biological detection. Comprising a first antibody coupled with a first component of DNAzyme with catalytic activity, a second antibody coupled with a second component of DNAzyme with catalytic activity, an initiation primer, phi29 DNA polymerase, a circular template, biotin-labeled dNTP, a colloidal gold immunochromatography test strip and a reaction buffer solution. According to the invention, a DNAzyme assembly activation and RCA signal amplification mechanism is fused, and a colloidal gold immunochromatography technology is adopted to realize qualitative detection; through double-antibody sandwich specific capture of proteins, accurate activation of DNAzyme and powerful signal amplification of RCA, the kit has extremely high detection sensitivity on low-concentration AD7C-NTP proteins, can capture subtle changes of early-stage proteins of diseases, provides a powerful tool for early-stage diagnosis of the diseases, and is helpful for improving prognosis of patients.
Owner:CHINA MEDICAL BIOTECHNOLOGY (BEIJING) CO LTD

An alzheimer's disease early diagnosis marker screening method based on alternative splicing

The application discloses a screening method for an early diagnosis marker of Alzheimer disease based on alternative splicing, and relates to the technical field of biomedical diagnosis. The application aims to solve the problems of single feature dimension, insensitivity to splicing changes, insufficient robustness and the like in the prior screening method for an early diagnosis marker of Alzheimer disease, and provides a multi-dimensional feature fusion screening method based on alternative splicing.
Owner:CENT SOUTH UNIV

An infectious disease early warning method and device based on electronic medical records

The present application relates to disease early warning technology, the present application provides an infectious disease early warning method, device and storage medium based on electronic medical record, wherein the method comprises: obtaining the electronic medical record text of patients in each medical institution; extracting the disease symptoms of each patient from each electronic medical record text in turn; determine whether each disease symptom meets the preset infectious disease symptom condition; if yes, the patient corresponding to the disease symptom is recorded as a case of infectious disease, and the early warning level of the case of infectious disease is determined, different infectious disease types correspond to different early warning levels; early warning is carried out according to the early warning level corresponding to the case. In this way, the cases meeting the infectious disease symptoms can be monitored in time through the electronic medical record text, and then early warning is carried out, which is fast and efficient.
Owner:SHENZHEN UNITED IMAGING HEALTHCARE DATA SERVICE CO LTD

Biomarker PAX5 for sepsis-related diseases and use thereof

The present invention relates to a biomarker PAX5 for sepsis-related diseases and a use thereof. The present invention provides a use of PAX5 or an active fragment or functional fragment thereof in the preparation of a product for early diagnosis, risk assessment, immune status evaluation, prognostic prediction and / or treatment plan selection of a sepsis-related disease in a subject.
Owner:CHENGDU CELENOV BIOTECH CO LTD

Tbc1d24 gene mutants and uses thereof

The present application relates to the technical field of genetic diagnosis, and specifically discloses a TBC1D24 gene mutant and application thereof. Specifically disclosed are any one of the following TBC1D24 gene mutants: a nucleic acid TBC1D24, which has a c.677_680delCCCG mutation and a c.731C>T mutation compared with a wild-type TBC1D24 gene with a sequence of SEQ ID NO:1; a polypeptide TBC1D24, which has a p.A226Gfs*28 mutation and a p.A244V mutation compared with a protein encoded by a wild-type TBC1D24 gene with a sequence of SEQ ID NO:2. The application also discloses application of the TBC1D24 gene mutant in screening of familial infantile myoclonic epilepsy. The present application widens the pathogenic gene spectrum of familial infantile myoclonic epilepsy, strengthens the understanding of the disease by clinicians, provides experience for screening and diagnosis of the disease in clinic, especially for pre-pregnancy screening, provides a research direction and a new theoretical basis for early diagnosis and effective treatment of the disease, and also provides a new molecular target for developing specific drugs for treating the disease in practice.
Owner:QINGDAO WOMEN & CHILDREN HOSPITAL

Double microRNAs AND initial logic sensing system based on engineering 8-17 DNAzyme

The invention discloses a dual microRNAs AND initial logic sensing system based on engineering 8-17 DNAzyme. The dual microRNAs AND initial logic sensing system comprises an 8-17 DNAzyme AND logic element with dual catalytic activity centers, two closed chains and a substrate probe, when miRNA-21 and miRNA-205 exist in a sample at the same time, the two closed chains are combined with two recognition arms of the AND logic element so as to close catalytic activity sites of the AND logic element, and when miRNA-21 and miRNA-205 exist in the sample at the same time, the two closed chains are removed through a strand displacement reaction, so that the catalytic activity of the AND logic element is activated, and a substrate probe is cut to generate a fluorescence signal; the method realizes AND logic gate operation recognition of double miRNAs, has the characteristics of high specificity, high sensitivity, visual output and the like, can be used for constructing a logic detection platform of tumor-related microRNAs, and has application potential in the aspect of early diagnosis of diseases.
Owner:THE FIRST AFFILIATED HOSPITAL OF ARMY MEDICAL UNIV

Method for predicting compartment structure based on chromatin compression density dynamic change

PendingCN120544694ABiostatisticsSequence analysisPrincipal component analysisCell Differentiation process
The invention discloses a method for predicting a compartment structure based on chromatin compression density dynamic change. The method comprises the following steps: (1) dividing a target chromatin sequence into a plurality of continuous fragments; (2) in the limited space, simulating the random folding process of the macromolecular chain, and dynamically adjusting the compression density of the chain bead according to the accessibility information, so that the high accessibility region presents the low and dynamically changed compression density, and the low accessibility region presents the high compression density; (3) generating a three-dimensional conformation set by adopting at least two independent folding paths; and (4) constructing a normalized contact matrix among chromatin fragments based on the conformation set, and dividing an active compartment and a silent compartment through principal component analysis. The invention provides a reliable and practical technical means for researching the cell differentiation process, the occurrence and development of diseases, early diagnosis of the diseases and the like from the perspective of the chromatin compartment structure.
Owner:孟露明