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    • 4. 发明申请
    • Synthetic Herpes Simplex Viruses Type-1 for Treatment of Cancers
    • 合成单纯疱疹病毒1型治疗癌症
    • US20100297085A1
    • 2010-11-25
    • US12598937
    • 2008-05-09
    • Konstantin G. Kousoulas
    • Konstantin G. Kousoulas
    • A61K35/76C12N7/00C12N15/63A61P35/00
    • C07K14/005A61K35/763C12N7/00C12N2710/16622C12N2710/16632C12N2710/16662
    • A recombinant herpes simplex virus type-1 (HSV-1) has been constructed that carries a deletion of one of the two viral γ1 34.5 genes and other immediate early genes, which render the virus able to selectively replicate in cancer cells but not efficiently replicate in normal cells, and in which specific mutations have been introduced to enable the virus to spread among cancer cells by virus-induced fusion. Specifically, syncytial mutations have been introduced in the genes coding for glycoprotein B and glycoprotein K of the virus, enabling high replication and spread of the virus in cancer cells in the presence of substantially lower amounts of γ1 34.5 protein, which is required for optimum infectious virus produced and virus-induced cell fusion. Other known syncytial mutations could also be introduced that would render the virus able to cause extensive virus-induced cell fusion. In addition, other known mutations can be introduced to limit the spread of the virus to the nervous system. These altered viruses or the isolated bacterial chromosomes could be used to treat various cancers including breast, liver, colon, and other tissues.
    • 已经构建了重组的单纯疱疹病毒1型(HSV-1),其携带两种病毒γ134.5基因和其他立即早期基因之一的缺失,这使得该病毒能够在癌细胞中选择性复制但不能有效复制 在正常细胞中,并且其中引入了特异性突变以使病毒能够通过病毒诱导的融合在癌细胞中扩散。 具体来说,在编码病毒的糖蛋白B和糖蛋白K的基因中引入了合胞体突变,使得在存在显着更低量的γ134.5蛋白质的情况下能够在癌细胞中高度复制和扩散,这是最佳感染性 病毒产生和病毒诱导的细胞融合。 还可以引入其他已知的合胞体突变,这将使病毒能够引起广泛的病毒诱导的细胞融合。 此外,可以引入其他已知的突变以限制病毒传播到神经系统。 这些改变的病毒或分离的细菌染色体可用于治疗各种癌症,包括乳腺癌,肝癌,结肠癌和其他组织。
    • 7. 发明授权
    • Synthetic herpes simplex viruses type-1 for treatment of cancers
    • 1型合成单纯疱疹病毒治疗癌症
    • US08586028B2
    • 2013-11-19
    • US12598937
    • 2008-05-09
    • Konstantin G. Kousoulas
    • Konstantin G. Kousoulas
    • A01N63/00C12N15/00C12N15/09C12N15/33
    • C07K14/005A61K35/763C12N7/00C12N2710/16622C12N2710/16632C12N2710/16662
    • A recombinant herpes simplex virus type-1 (HSV-1) has been constructed that carries a deletion of one of the two viral γ1 34.5 genes and other immediate early genes, which render the virus able to selectively replicate in cancer cells but not efficiently replicate in normal cells, and in which specific mutations have been introduced to enable the virus to spread among cancer cells by virus-induced fusion. Specifically, syncytial mutations have been introduced in the genes coding for glycoprotein B and glycoprotein K of the virus, enabling high replication and spread of the virus in cancer cells in the presence of substantially lower amounts of γ1 34.5 protein, which is required for optimum infectious virus produced and virus-induced cell fusion. These altered viruses or the isolated bacterial chromosomes could be used to treat various cancers including breast, liver, colon, and other tissues.
    • 已经构建了重组型单纯疱疹病毒1型(HSV-1),其携带两种病毒γ134.5基因之一和其他即时早期基因之一的缺失,这使得该病毒能够在癌细胞中选择性复制但不能有效地复制 在正常细胞中,并且其中引入了特异性突变以使病毒能够通过病毒诱导的融合在癌细胞中扩散。 具体来说,在编码病毒的糖蛋白B和糖蛋白K的基因中引入合胞体突变,使得在存在显着较低量的γ134.5蛋白质的情况下能够在癌细胞中高度复制和扩散,这是最佳感染性 病毒产生和病毒诱导的细胞融合。 这些改变的病毒或分离的细菌染色体可用于治疗各种癌症,包括乳腺癌,肝癌,结肠癌和其他组织。
    • 8. 发明申请
    • Synthetic Herpes Simplex Viruses for Treatment of Cancers
    • 合成单纯疱疹病毒治疗癌症
    • US20130202639A1
    • 2013-08-08
    • US13634611
    • 2011-03-25
    • Konstantin G. KousoulasJason D. Walker
    • Konstantin G. KousoulasJason D. Walker
    • C12N7/00A61K45/06A61K35/76
    • C12N7/00A61K35/763A61K45/06C12N2710/16632C12N2710/16643C12N2710/16662A61K2300/00
    • New recombinant oncolytic viral vectors have been constructed based on a known herpes simplex virus-1 with a single 34.5 gene and a synctial mutation (called OncSyn (OS) virus), which was designed to be more immunogenic than the parental OS virus largely due to deletion of the viral gene viral host shutoff (vhs) gene (the “OSV” virus). In another embodiment, the OSV virus was constructed to constitutively express 15-PGDH (the “OSVP” virus), the principal enzyme responsible for degradation of PGE2. OSVP was shown to decrease both breast tumors and prostate cancer tumors in mice models. In addition, OSVP was shown to trigger substantial inflammatory cytokine production and pro mote anti-tumor immune responsiveness. These altered viruses, OSV and OSVP, can be used to treat various cancers including breast, prostate, liver, colon, and other tissues. Other exogenous genes can be added to either OSV or OSVP to improve the therapeutic response.
    • 已经基于具有单一34.5基因和合成突变(称为OncSyn(OS)病毒)的已知单纯疱疹病毒-1构建了新的重组溶瘤病毒载体,其被设计为比亲本OS病毒更具免疫原性,主要是由于 病毒基因病毒宿主关闭(vhs)基因(“OSV”病毒)的删除。 在另一个实施方案中,构建OSV病毒以组成型表达负责PGE2降解的主要酶的15-PGDH(“OSVP”病毒)。 OSVP显示在小鼠模型中降低乳腺肿瘤和前列腺癌肿瘤。 此外,OSVP被证明可以引发大量的炎性细胞因子产生和促进抗肿瘤免疫反应。 这些改变的病毒,OSV和OSVP可用于治疗各种癌症,包括乳腺癌,前列腺癌,肝癌,结肠癌和其他组织。 可以将其他外源基因加入到OSV或OSVP中以改善治疗反应。