Method and conjugate for treating H. pylori infection
    11.
    发明授权
    Method and conjugate for treating H. pylori infection 失效
    用于治疗幽门螺杆菌感染的方法和缀合物

    公开(公告)号:US6124271A

    公开(公告)日:2000-09-26

    申请号:US12198

    申请日:1998-01-23

    摘要: A method and comjugate for treating H. pylori infection in a subject are disclosed. The conjugate is composed of (a) a nuclease-resistant antisense oligomer effective to inhibit H. pylori infection in the subject by base-specific Watson-Crick binding to an H. pylori mRNA transcript, and (b) a transport moiety conjugated to the oligomer. The transport moiety is effective to facilitate uptake of the conjugate from the environment of the stomach into the cytoplasm of H. pylori cells by active transport or by pH-gradient transport across of the cell membrane of H. pylori. The conjugate is administered by oral route, preferably in a swellable polymer bolus designed to release the conjugate in sustained release.

    摘要翻译: 公开了用于治疗受试者中幽门螺杆菌感染的方法和共轭物。 缀合物由(a)通过碱基特异性Watson-Crick结合幽门螺杆菌mRNA转录物有效抑制幽门螺杆菌感染的核酸酶抗性反义寡聚体,和(b)与 低聚物。 运输部分有利于通过主动转运或通过幽门螺旋杆菌的细胞膜上的pH梯度转运来促进缀合物从胃的环境吸收到幽门螺杆菌细胞的细胞质中。 缀合物通过口服途径施用,优选在可膨胀聚合物推注中,其设计用于释放持续释放的缀合物。

    Nucleic acid crosslinking agent and affinity inactivation of nucleic
acids therewith
    13.
    发明授权
    Nucleic acid crosslinking agent and affinity inactivation of nucleic acids therewith 失效
    核酸交联剂和核酸的亲和失活

    公开(公告)号:US4123610A

    公开(公告)日:1978-10-31

    申请号:US775800

    申请日:1977-03-09

    CPC分类号: C07C243/00 C07H21/00

    摘要: The crosslinking agent contains an acylhydrazide moiety, through which it is linked to a cytosine residue on the first chain; and an .alpha.-haloketal moiety which, after attachment of the crosslinking agent to the first chain, is hydrolyzed to an .alpha.-haloketone moiety, through which linking is effected to the base-paired guanine residue on the second chain.

    摘要翻译: 交联剂含有酰肼部分,其通过其与第一链上的胞嘧啶残基连接; 和α-卤代酮部分,其在将交联剂连接到第一链之后,被水解成α-卤代酮部分,通过该α-卤代酮部分与第二链上的碱基配对的鸟嘌呤残基进行连接。

    Morpholinos with Increased Delivery Efficiency

    公开(公告)号:US20230357763A1

    公开(公告)日:2023-11-09

    申请号:US17803316

    申请日:2022-05-06

    IPC分类号: C12N15/113

    摘要: Morpholino antisense oligos (Morpholinos) are a class of synthetic non-ionic molecules, each designed to very specifically bind to a selected complementary RNA sequence (targeted RNA transcript). Custom-sequence Morpholinos are used in a broad range of biological research areas, as well as for therapeutic applications in vivo (in living animals such as humans).
    For most in vivo applications the “bare” Morpholino (FIG. 1a) is linked to a cationic delivery component to give a “delivery-enabled” Morpholino (FIG. 1b) with significantly improved delivery efficiency. However, cytosolic delivery was still markedly less than expected. Then recently we discovered that by adding a special disconnect component between the Morpholino component and the cationic delivery component (FIG. 1c), the cytosolic delivery efficiency for the Morpholino was dramatically increased (about a 1,000% increase in delivery efficiency).
    This patent application describes designing, making, and using such delivery-enabled Morpholinos containing a key disconnect component.

    Photocleavable morpholino oligos with integral photolinkers for modulating the activity of any selected gene transcript by exposure to light
    15.
    发明申请
    Photocleavable morpholino oligos with integral photolinkers for modulating the activity of any selected gene transcript by exposure to light 审中-公开
    具有整体光引发剂的可透光吗啉代寡核苷酸,用于通过暴露于光调节任何所选择的基因转录物的活性

    公开(公告)号:US20130053556A1

    公开(公告)日:2013-02-28

    申请号:US13199337

    申请日:2011-08-26

    IPC分类号: C07F9/6561 C07D233/61

    摘要: Morpholinos are widely used to block the activity of selected single-stranded genetic sequences. This invention comprises Morpholinos containing one or more integral photolinkers (Photo-Morpholinos) wherein the photolinkers are directly incorporated into the sequence of a Morpholino, where the photolinker has a size and structure which emulates the size and structure of a Morpholino subunit. This integrated photolinker design substantially simplifies and reduces cost of production relative to earlier photocleavable compositions.The invention also comprises use of these Photo-Morpholinos for modulating the expression of any selected gene transcript at any selected time and at any selected site simply by exposure to light. These Photo-Morpholinos afford a new use wherein a gene transcript is rendered inactive by contacting with a Photo-Morpholino—and then later exposure to light cleaves the Photo-Morpholino to inactive fragments—thereby reactivating that previously inactivated gene transcript.

    摘要翻译: 吗啉代被广泛用于阻断选择的单链遗传序列的活性。 本发明包括含有一种或多种整合的光连接剂(Photo-Morpholinos)的Morpholinos,其中光连接剂直接并入Morpholino的序列中,其中光连接剂具有模拟吗啉亚基的大小和结构的大小和结构。 这种集成的光连接器设计相对于早期的可光致发色组合物大大简化并降低了生产成本。 本发明还包括使用这些Photo-Morpholinos在任何选定的时间和在任何选择的位点上简单地通过暴露于光来调节任何选择的基因转录物的表达。 这些Photo-Morpholinos提供了一种新的用途,其中基因转录物通过与Photo-Morpholino接触而变得无活性,然后随后暴露于光将Photo-Morpholino切割为无活性片段,由此重新激活以前灭活的基因转录物。