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A kind of endogenous long chain non-coding rna MRAK049966 and its application

A RNAMRAK049966, long-chain non-coding technology, used in DNA/RNA fragments, recombinant DNA technology, organic active ingredients, etc., to achieve the effect of relieving chronic pain

Active Publication Date: 2021-07-16
XIANGYA HOSPITAL CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Recently, it has been reported that lncRNA at the spinal cord level is involved in the regulation of chronic pain, but there is no related research on the specific mechanism of lncRNA involved in the formation of morphine tolerance

Method used

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  • A kind of endogenous long chain non-coding rna MRAK049966 and its application
  • A kind of endogenous long chain non-coding rna MRAK049966 and its application
  • A kind of endogenous long chain non-coding rna MRAK049966 and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0035] Experimental animal grouping and intrathecal administration

[0036] (1) Study and verify the dynamic changes of MRAK049966 in the dorsal horn of the spinal cord during the formation of morphine tolerance

[0037] Select 20 clean male SD rats with successful intrathecal catheterization, and randomly divide them into normal saline group (NS group) and morphine tolerance group (MT group), with 10 rats in each group. Intrathecal injection of 10 μg / 10 μl of morphine was given to rats twice a day (8:00 am, 18:00 pm) for 7 consecutive days, and 10 μl normal saline was injected intrathecally at the same time point in the control group. For the administration procedure, see figure 2 .

[0038] (2) The effect of intervening the expression of MRAK049966 at the spinal cord level on the behavior of chronic morphine-tolerant rats

[0039] ①Effects of overexpression of MRAK049966 at spinal cord level on the behavior of morphine-tolerant rats

[0040]Select 30 clean male SD rats w...

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Abstract

The invention discloses an endogenous long-chain non-coding RNA MRAK049966 and its application. Specifically, it refers to the application of the long-chain non-coding RNA MRAK049966 in the preparation of drugs for treating or alleviating chronic pain. The drug for treating or relieving chronic pain refers to the drug for suppressing morphine tolerance. The long non-coding RNA MRAK049966 is a novel long non-coding RNA reported for the first time, and has been confirmed to be associated with morphine tolerance. The invention provides a new approach for treating or relieving chronic pain, slowing down or reversing the formation of morphine tolerance, and has important medical significance.

Description

technical field [0001] The invention belongs to the technical field of biomedicine. The present invention relates to an endogenous long-chain non-coding RNA and its application, in particular to the endogenous long-chain non-coding RNA MRAK049966 and its application in preparing medicine for treating morphine tolerance. Background technique [0002] Morphine, as a classic opioid analgesic drug, is widely used in clinical treatment of acute, chronic, and moderate to severe pain. Tolerance, addiction, hyperalgesia, constipation, respiratory depression and other adverse reactions caused by long-term use of morphine significantly limit the clinical application of morphine. Among them, morphine tolerance (Morphine tolerance, MT) is an important factor limiting the application of morphine. So far, the mechanism of morphine tolerance is not completely clear, and clinically effective prevention and treatment measures are still lacking. Therefore, ascertaining the pathogenesis of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N15/113A61K31/713A61P25/04
CPCA61K31/713A61P25/04C12N15/113C12N2310/10C12N2310/14C12N2320/30
Inventor 邹望远邓美玲张增利刘畅邢曼玉
Owner XIANGYA HOSPITAL CENT SOUTH UNIV
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