Circular RNA hsa_circ_0001550 and application thereof

A circular, abnormal state technology, applied in the field of genetic engineering, can solve the problem of lack of molecular level, and achieve the effect of good application prospects

Pending Publication Date: 2021-05-28
THE FIRST HOSPITAL OF LANZHOU UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

With the continuous development of assisted reproductive technology (Assisted Reproductive Technology, ART), the implantation rate of In Vitro Fertilization and Embryo Transfer (IVF-ET) has reached about 50% in the past two decades, but for repeated There are still challenges in patients with implant failure. The decidualization of endometrial stromal cells is a crucial biological process that occurs during the implantation window. Abnormal decidualization of endometrial stromal cells is likely to lead to implantation in such patients. The main reason for the failure, however, is the current lack of molecular-level understanding of abnormal decidualization of human endometrial stromal cells

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  • Circular RNA hsa_circ_0001550 and application thereof
  • Circular RNA hsa_circ_0001550 and application thereof
  • Circular RNA hsa_circ_0001550 and application thereof

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] 1. According to the base sequence queried in the circBase database, the "back-to-back" primer sequence was designed, and the hsa_circ_0001550 PCR product was sequenced and verified: it was proved that hsa_circ_0001550 is a closed circular RNA end-to-end, such as figure 1 Shown (this step is completed by Shanghai Kangcheng Company).

[0029] 2. Because circular RAN has better stability than linear RNA, it is not easily digested by RNase and is resistant to actinomycin D. In order to further verify the circular attribute of hsa_circ_0001550, RNaseR experiments were carried out in the embodimen...

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Abstract

The invention discloses a circular RNA hsa_circ_0001550 and an application thereof. The nucleotide sequence of the annular RNA hsa_circ_0001550 is shown as SEQ ID No: 1, the hsa_circ_0001550 can participate in generation and development of RIF by inhibiting the periostracum periostracum process, meanwhile, the hsa_circ_0001550 plays a molecular function through miRNA and mRNA and participates in related signal channels in the endometrial interstitial cell deciduation process to adjust the receiving state of endometrium on an embryo in the implantation window period, thus, the circular RNA hsa_circ_0001550 can be used as a marker for detecting the abnormal state of deciduation of the female endometrial interstitial cells, or the circular RNA hsa_circ_0001550 has a good application prospect as a medicine for regulating and controlling the deciduation of the human endometrial interstitial cells.

Description

technical field [0001] The invention belongs to the technical field of genetic engineering, and in particular relates to a circular RNA hsa_circ_0001550 and its application. Background technique [0002] Embryo implantation refers to the process of active embryos positioning, adhering, invading, and finally establishing a close connection with the endometrium in a receptive state, which is the key and initial link of successful pregnancy. Embryo implantation depends on two key factors, embryo quality and endometrial receptivity. At present, most scholars believe that if the number of transfers > 3 times or the transfer of high-quality embryos > 10 still fails to conceive, it is called Repeated Implantation Failure (RIF). With the continuous development of assisted reproductive technology (Assisted Reproductive Technology, ART), the implantation rate of In Vitro Fertilization and Embryo Transfer (IVF-ET) has reached about 50% in the past two decades, but for repeated ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N15/113C12Q1/6883A61K45/00A61P15/00
CPCC12N15/113C12Q1/6883A61K45/00A61P15/00C12N2310/532C12Q2600/158C12Q2600/178
Inventor 刘琳吕萌高文欣马晓玲
Owner THE FIRST HOSPITAL OF LANZHOU UNIV
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