ZA202303275B - Modified sirna with reduced off-target activity - Google Patents

Modified sirna with reduced off-target activity

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Publication number
ZA202303275B
ZA202303275B ZA2023/03275A ZA202303275A ZA202303275B ZA 202303275 B ZA202303275 B ZA 202303275B ZA 2023/03275 A ZA2023/03275 A ZA 2023/03275A ZA 202303275 A ZA202303275 A ZA 202303275A ZA 202303275 B ZA202303275 B ZA 202303275B
Authority
ZA
South Africa
Prior art keywords
sirna
reduced
target activity
formula
modified sirna
Prior art date
Application number
ZA2023/03275A
Other languages
English (en)
Inventor
Huang Jinyu
Luo Min
Yin Ke
Original Assignee
Tuojie Biotech Shanghai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tuojie Biotech Shanghai Co Ltd filed Critical Tuojie Biotech Shanghai Co Ltd
Publication of ZA202303275B publication Critical patent/ZA202303275B/en

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    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/11DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
    • C12N15/113Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing
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    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/11DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
    • C12N15/113Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing
    • C12N15/1131Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing against viruses
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    • C12N15/09Recombinant DNA-technology
    • C12N15/11DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
    • C12N15/113Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing
    • C12N15/1136Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing against growth factors, growth regulators, cytokines, lymphokines or hormones
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    • C12N2310/00Structure or type of the nucleic acid
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    • C12N2310/14Type of nucleic acid interfering nucleic acids [NA]
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    • C12N2310/00Structure or type of the nucleic acid
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    • C12N2310/313Phosphorodithioates
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    • C12N2310/30Chemical structure
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    • C12N2310/319Chemical structure of the backbone linked by 2'-5' linkages, i.e. having a free 3'-position
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    • C12N2310/00Structure or type of the nucleic acid
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    • C12N2310/32Chemical structure of the sugar
    • C12N2310/3222'-R Modification
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    • C12N2310/323Chemical structure of the sugar modified ring structure
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    • C12N2310/32Chemical structure of the sugar
    • C12N2310/323Chemical structure of the sugar modified ring structure
    • C12N2310/3235Chemical structure of the sugar modified ring structure having the O of the ribose replaced by another atom
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    • C12N2310/00Structure or type of the nucleic acid
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    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/34Spatial arrangement of the modifications
    • C12N2310/344Position-specific modifications, e.g. on every purine, at the 3'-end
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    • C12N2310/00Structure or type of the nucleic acid
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    • C12N2310/35Nature of the modification
    • C12N2310/351Conjugate
    • C12N2310/3513Protein; Peptide
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    • C12N2320/00Applications; Uses
    • C12N2320/50Methods for regulating/modulating their activity
    • C12N2320/53Methods for regulating/modulating their activity reducing unwanted side-effects

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  • Molecular Biology (AREA)
  • Biotechnology (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Microbiology (AREA)
  • Plant Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Saccharide Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
ZA2023/03275A 2020-08-04 2023-03-02 Modified sirna with reduced off-target activity ZA202303275B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202010772542 2020-08-04
CN202110244977 2021-03-05
CN202110361502 2021-04-02
PCT/CN2021/110509 WO2022028462A1 (zh) 2020-08-04 2021-08-04 脱靶活性降低的修饰sirna

Publications (1)

Publication Number Publication Date
ZA202303275B true ZA202303275B (en) 2025-12-17

Family

ID=80120017

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2023/03275A ZA202303275B (en) 2020-08-04 2023-03-02 Modified sirna with reduced off-target activity

Country Status (10)

Country Link
US (1) US20230287418A1 (https=)
EP (1) EP4194553A4 (https=)
JP (1) JP7849353B2 (https=)
KR (1) KR20230043195A (https=)
CN (1) CN115955973A (https=)
BR (1) BR112023002080A2 (https=)
CA (1) CA3190097A1 (https=)
TW (1) TW202214858A (https=)
WO (1) WO2022028462A1 (https=)
ZA (1) ZA202303275B (https=)

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WO2019006455A1 (en) 2017-06-30 2019-01-03 Solstice Biologics, Ltd. AUXILIARIES OF CHIRAL PHOSPHORAMIDITIS AND METHODS OF USE THEREOF
TW202302851A (zh) * 2021-04-02 2023-01-16 大陸商上海拓界生物醫藥科技有限公司 B型肝炎病毒siRNA和siRNA綴合物
US20240229037A1 (en) * 2021-04-22 2024-07-11 Tuojie Biotech(Shanghai) Co., Ltd. SIRNA TARGETING 17Beta-HYDROXYSTEROID DEHYDROGENASE TYPE 13 AND SIRNA CONJUGATE
WO2023109932A1 (zh) * 2021-12-16 2023-06-22 上海拓界生物医药科技有限公司 一种dsRNA、其制备方法及应用
US20260076990A1 (en) 2022-01-20 2026-03-19 Tuojie Biotech (Shanghai) Co., Ltd. Dsrna, use thereof and preparation method therefor
KR20250123805A (ko) * 2022-12-13 2025-08-18 투오지에 바이오텍 (상하이) 컴퍼니 리미티드 친유성 단량체를 포함하는 올리고뉴클레오티드 및 비-간 전달에서의 용도
JP2026503329A (ja) * 2023-02-21 2026-01-28 成都先導薬物開発股▲フン▼有限公司 ヌクレオチド類似体、その調製方法及び使用
EP4674965A1 (en) 2023-03-02 2026-01-07 Tuojie Biotech (Shanghai) Co., Ltd. Sirna targeting inhibin ?e, sirna conjugate, and medical use thereof
WO2024217152A2 (zh) * 2023-04-21 2024-10-24 苏州时安生物技术有限公司 一种寡聚核酸及其制备方法和应用
AU2024262610A1 (en) 2023-04-27 2025-10-16 Jiangsu Hengrui Pharmaceuticals Co., Ltd. Intermediate for preparing oligonucleotide analog or salt thereof, and preparation method therefor
CN121079106A (zh) * 2023-05-31 2025-12-05 上海拓界生物医药科技有限公司 一种靶向LPA的dsRNA及其应用
AU2024302964A1 (en) 2023-06-13 2025-12-18 Tuojie Biotech (Shanghai) Co., Ltd. Sirna targeting mmp7, sirna conjugate and medical use thereof
WO2025007907A1 (zh) * 2023-07-04 2025-01-09 大睿生物 包含肽的寡核苷酸递送配体
AU2024315297A1 (en) 2023-08-01 2026-02-12 Tuojie Biotech (Shanghai) Co., Ltd. Dsrna targeting mapt and pharmaceutical use thereof
CN121586578A (zh) 2023-08-24 2026-02-27 上海拓界生物医药科技有限公司 靶向RAGE的RNAi剂及其医药用途
TW202526017A (zh) * 2023-09-14 2025-07-01 美商Ionis製藥公司 用於減少apociii表現的化合物及方法
WO2025067317A1 (zh) * 2023-09-26 2025-04-03 上海拓界生物医药科技有限公司 一种脂质修饰的核酸化合物、其制备方法及用途
WO2025140299A1 (zh) * 2023-12-26 2025-07-03 广东东阳光药业股份有限公司 一种新型的化合物及其用途
WO2026002138A1 (zh) * 2024-06-27 2026-01-02 成都新泽利医药科技有限公司 特定修饰的双链寡核苷酸及其组合物
CN119410644A (zh) * 2025-01-08 2025-02-11 北京安龙生物医药有限公司 修饰的双链寡核苷酸及其缀合物和组合物
CN119528986B (zh) * 2025-01-23 2025-09-16 北京悦康科创医药科技股份有限公司 一种核苷类似物及其在降低寡核苷酸药物脱靶活性中的应用

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US20240229037A1 (en) * 2021-04-22 2024-07-11 Tuojie Biotech(Shanghai) Co., Ltd. SIRNA TARGETING 17Beta-HYDROXYSTEROID DEHYDROGENASE TYPE 13 AND SIRNA CONJUGATE

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KR20230043195A (ko) 2023-03-30
CN115955973A (zh) 2023-04-11
TW202214858A (zh) 2022-04-16
WO2022028462A1 (zh) 2022-02-10
JP2023536320A (ja) 2023-08-24
EP4194553A1 (en) 2023-06-14
JP7849353B2 (ja) 2026-04-21
EP4194553A4 (en) 2024-11-13
US20230287418A1 (en) 2023-09-14
CA3190097A1 (en) 2022-02-10
BR112023002080A2 (pt) 2023-04-25

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