Abstract:
The present disclosure relates to an oncolytic adenovirus, comprising: (i) a first transgene comprising a DNA sequence which encodes a first protein, (ii) a second transgene encoding a protein or fragment comprising a transmembrane domain or GPI anchor, and (iii) a third transgene encoding a third protein; wherein the three transgenes are located between the virus fibre gene L5 and the virus E4 gene and wherein the said transgenes are under the control of a promoter endogenous to the virus, such as the major late promoter, and the relative location of the second transgene is between the first and third transgene, compositions comprising the same; and use of the virus and compositions in treatment, particularly in the treatment of cancer.
Abstract:
The disclosure in some aspects, relates to nucleic acids, compositions and kits useful for gene therapy with reduced immune response to transgene products.
Abstract:
Described herein is an adenovirus comprising an AB-loop comprising a targeting motif and methods of making and using the adenovirus. The targeting motif of the adenovirus can selectively bind to a tumor cell. The targeting motif of the adenovirus can selectively bind to cell markers and/or cell surface antigens including, for example, CD 133.
Abstract:
The adenovirus comprises a heterologous nucleic acid sequence inserted in the 3' UTR region of adenoviral E1A gene, said sequence comprising a nucleotide sequence of formula (I), wherein: S1 to S10 represent DNA sequences, the same or different from one another, each one of these sequences having a length from 6 to 250 nucleotides and coding for an RNA sequence complementary to microRNA-148a sequence SEQ ID NO:1; (b) E1 to E9 represent DNA spacer sequences spacing sequences S1-S10, being these spacer sequences the same or different from one another and having a length from 3 to 20 nucleotides; and (c) a,b,c,d,e and f are the same or different from one another and represent an integer value that is selected from 0 and 1. The adenovirus of the invention shows selectivity against tumoral cells without raising pancreatic and hepatic toxicity S1-E1-S2-E2-S3-E3-S4-[E4-S5]a-[E5-S6]b-[E6-S7]c-[E7-S8]d-[E8-S9]e-[E9- S10]f (I)
Abstract:
The invention provides compositions and methods for making and using modified viruses, including infectious viruses, having an external surface linked to at least one heterologous unnatural moiety that is exemplified by unnatural amino acid and unnatural saccharide. The unnatural moiety that is linked to the invention's modified viruses is optionally further linked to a molecule of interest (such as probe, cytotoxin, therapeutic molecule, antibody, affibody, epitope, etc. The invention's compositions and methods find use in, for example, diagnostic applications and therapeutic applications such as gene therapy, oncolytic therapy, and/or vaccine therapy.
Abstract:
본 발명은 HRE, E2F 및 TERT의 조합으로 이루어진 유전자발현 조절서열 및 이를 이용한 선택적 종양세포 살상능이 크게 개선된 유전자 전달체, 특히 재조합 아데노바이러스에 관한 것이다. 또한, 상기 재조합 아데노바이러스를 포함하는 약제학적 항종양 조성물에 관한 것이다. 본 발명의 재조합 아데노바이러스는 본 발명 특유의 유전자발현 조절서열에 의하여 종양 특이적으로 복제가 조절됨으로서 선택적 종양세포 살상능 또는 고사능이 개선된 효과를 발휘하며, 특히 저산조 조건에서 크게 향상된 항종양 효과를 나타낸다. 또한, 암세포 내에서 재조합 아데노바이러스의 특이적 발현으로 체내에서의 안정성이 증대되어 더욱 개선된 항종양 효과를 유도할 수 있다.
Abstract:
Microbubble-assisted delivery of viruses is disclosed. In particular, methods for targeting a virus to cancer cells in an immunocompetent animal by administering a selectively replicating virus to the immunocompetent animal and disrupting the microbubbles in a location of the animal comprising cancer cells are provided. The virus is encompassed in a suspension of microbubbles, and the surface of the suspension does not include any virus. A suspension of microbubbles comprising a selectively replicating virus that is encompassed in a suspension of microbubbles, which does not include any virus on the surface of the suspension, is also provided.
Abstract:
An isolated DNA sequence that corresponds to a region of the human A33 gene promoter from base pair -105 to base pair +307, able to control the expression of a heterologous gene of interest, that may be used in conjunction with any other regulatory sequence, including sequences responsive to stress such as radiation, hypoxia and free radical formation. Constructs and viral vectors for recombinant DNA expression are provided, which include this sequence of human A33 gene promoter and, operably linked thereto, at least one heterologous gene. The regulatory sequence(s) control(s) the expression of at least one heterologous gene in cells including colorectal cancer cells. Pharmaceutical compositions and methods for treating colorectal cancer are also described.