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    • 2. 发明申请
    • METHOD FOR SPATIAL TAGGING AND ANALYSING NUCLEIC ACIDS IN A BIOLOGICAL SPECIMEN
    • WO2018091676A1
    • 2018-05-24
    • PCT/EP2017/079650
    • 2017-11-17
    • SPATIAL TRANSCRIPTOMICS AB
    • FRISÉN, JonasSTÅHL, PatrikLUNDEBERG, JoakimSALMÉN, FredrikVICKOVIC, Sanja
    • C12Q1/6834C12Q1/6841C12Q1/6874
    • The present invention relates to methods for spatial tagging of nucleic acid molecules in a biological specimen and in particular to a method comprising: (a) providing a solid substrate on which multiple species of capture probes are immobilized such that each species occupies a distinct position on the solid substrate, wherein said probes are for a primer extension reaction and wherein each species of said capture probes comprise a nucleic acid molecule comprising: (i) a cleavage domain for releasing the capture probe from the surface of the solid substrate, (ii) a positional domain that corresponds to the position of the capture probe on the solid substrate, and (iii) a capture domain; (b) contacting said solid substrate with a biological specimen; and (c) releasing said capture probes from the surface of the solid substrate under conditions that allow nucleic acids of the biological specimen to hybridise to the capture domain in said capture probes and simultaneously and/or subsequently extending said capture probes using the nucleic acid molecules hybridised to the capture probes as extension templates to produce extended probes thereby spatially tagging the nucleic acids of the biological specimen, wherein step (c) comprises contacting said solid substrate with an aqueous reaction mixture comprising: (i) a polymerase enzyme capable of extending said capture probes using the nucleic acid molecules hybridised to the capture probes as extension templates; and (ii) means for releasing said capture probes from the surface of the solid substrate.
    • 3. 发明申请
    • METHODS AND PRODUCT FOR OPTIMISING LOCALISED OR SPATIAL DETECTION OF GENE EXPRESSION IN A TISSUE SAMPLE
    • 用于优化组织样品中基因表达的局部或空间检测的方法和产品
    • WO2014060483A1
    • 2014-04-24
    • PCT/EP2013/071645
    • 2013-10-16
    • SPATIAL TRANSCRIPTOMICS AB
    • FRISEN, JonasSTÅHL, PatrikLUNDEBERG, JoakimSALMÉN, Fredrik
    • C12Q1/68
    • C12Q1/6837C12Q1/6841C12Q1/6874C12Q2543/101C12Q2565/514C12Q2565/537
    • The present invention relates to methods and products for localized or spatial detection and/or analysis of RNA in a tissue sample or a portion thereof, comprising: (a) providing an object substrate on which at least one species of capture probe, comprising a capture domain, is directly or indirectly immobilized such that the probes are oriented to have a free 3' end to enable said probe to function as a reverse transcriptase (RT) primer; (b) contacting said substrate with a tissue sample and allowing RNA of the tissue sample to hybridise to the capture probes; (c) generating cDNA molecules from the captured RNA molecules using said capture probes as RT primers; (d) labelling the cDNA molecules generated in step (c), wherein said labelling step may be contemporaneous with, or subsequent to, said generating step; (e) detecting a signal from the labelled cDNA molecules; and optionally (f) imaging the tissue sample, wherein the tissue sample is imaged before or after step (c).
    • 本发明涉及用于组织样本或其部分中RNA的局部或空间检测和/或分析的方法和产品,其包括:(a)提供对象底物,其上至少一种捕获探针,其包含捕获 结构域直接或间接固定,使得探针定向为具有游离的3'末端以使所述探针用作逆转录酶(RT)引物; (b)使所述底物与组织样品接触并允许组织样品的RNA与捕获探针杂交; (c)使用所述捕获探针作为RT引物从捕获的RNA分子产生cDNA分子; (d)标记步骤(c)中产生的cDNA分子,其中所述标记步骤可以与所述生成步骤同时或之后; (e)检测来自标记的cDNA分子的信号; 以及任选地(f)对所述组织样品进行成像,其中所述组织样品在步骤(c)之前或之后成像。