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Last Updated: December 6, 2021

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Claims for Patent: 9,676,828

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Summary for Patent: 9,676,828
Title:Rearranged TT virus molecules for use in diagnosis, prevention and treatment of cancer and autoimmunity
Abstract: The present invention relates to rearranged molecules of (a) a specific TT virus sequence and (b) a nucleotide sequence encoding a polypeptide showing homology to mammalian proteins associated with cancer and autoimmune diseases that are capable of replicating autonomously for use in diagnosis, prevention and treatment of diseases like cancer and autoimmunity.
Inventor(s): De Villiers; Ethel-Michele (Waldmichelbach, DE), Zur Hausen; Harald (Waldmichelbach, DE)
Assignee: DEUTSCHES KREBSFORSCHUNGSZENTRUM (Heidelberg, DE)
Application Number:13/719,835
Patent Claims:1. An expression vector comprising a rearranged torque teno virus (TTV) polynucleic acid comprising one of the nucleotide sequences of SEQ ID NOs: 228-231, wherein said nucleotide sequence is linked to a polynucleic acid encoding a polypeptide containing a signature motif of a mammalian protein being associated with cancer or an autoimmune disease, wherein the signature motif is at least 10 aa and has a degree of identity to a corresponding signature motif in a mammalian protein of at least 90% and said signature motif is selected from the group consisting of a protamine 1 signature motif having one of the sequences of SEQ ID NOs:17, 19, 22, and 241, a protamine 2 signature motif having one of the sequences of SEQ ID NOs:18, 20, 21, and 23, an opsin signature motif having one of the sequences of SEQ ID NOs: 1-16, and 36, a galanin signature motif having one of the SEQ ID NOs:26-28, a male specific protein signature motif having one of the SEQ ID NOs:53-54, a gastrin signature motif having one of the SEQ ID NOs:38-43, a collagen signature motif having one of the SEQ ID NOs:46-52, a collagenase metalloprotease signature motif having one of the SEQ ID NOs:44-45, a microbial collagenase metalloprotease (M9) signature motif having one of the SEQ ID NOs:55-60, a MIC1 microneme protein signature motif having one of the SEQ ID NOs:61-64: autoimmune regulator (AIRE) signature having one of the SEQ ID NOs:66-70, a gliadin signature motif having one of the SEQ ID NOs:72-77 and 155, a neuropeptide Y2 receptor signature motif having one of the SEQ ID NOs:79-81, an aerolysin signature motif having one of the SEQ ID NOs:83-87, an orexin signature motif having one of the SEQ ID NOs:89-95, a prion signature motif having one of the SEQ ID NOs:97-103, a neurotensin signature motif having one of the SEQ ID NOs:105-108, an orphan nuclear receptor (4A nuclear receptor) family signature motif having one of the SEQ ID NOs:110-117, a brain derived neurotrophic factor (BDN) signature motif having one of the SEQ ID NOs:118-119, a calcitonin signature motif having one of the SEQ ID NOs:121-128, a leukotrine B4 type 1 receptor signature motif having one of the SEQ ID NOs:129-135, a vasopressin signature motif having one of the SEQ ID NOs:136-147, a melanin concentrating hormone 2 receptor signature motif having one of the SEQ ID NOs:149-150, a prostanoid EP1 receptor signature motif having one of the SEQ ID NOs:152-154, a cyclin kinase signature motif having one of the SEQ ID NOs:158-169, a peroxisome proliferator-activated receptor signature motif having one of the SEQ ID NOs:171-178, a muscarinic M1 receptor signature motif having one of the SEQ ID NOs:180-184, a metabotropic gamma-aminobutyric acid type B2 receptor signature motif having one of the SEQ ID NOs:186-188, an argininge deiminase signature motif having one of the SEQ ID NOs:156 and 190-199, an opioid growth factor receptor repeat signature motif having the SEQ ID NO:201, an adhesion molecule CD36 signature motif having one of the SEQ ID NOs:203-209, a myelin proteolipid protein signature motif having the SEQ ID NO:211, and a chlamidiaom signature motif having the SEQ ID NO:213, wherein the rearranged TTV polynucleic acid is operably linked to prokaryotic, eukaryotic or viral transcription and translation control elements and comprising nucleic acid sequence providing expression of a desired open reading frame.

2. The expression vector of claim 1 which is selected from the group consisting of plasmid, cosmid, artificial chromosome, phage and virus.

3. The expression vector of claim 2, wherein the vector is selected from the group consisting of TT virus recombinant molecules, BCG, adenoviral vectors and avipox recombinant viruses.

4. A process for in vitro replication and propagation of a rearranged Torque teno virus (TTV) polynucleic acid comprising the following steps: (a) transfecting the expression vector according to claim 1 into 293TT cells expressing high levels of SV40 large T antigen, (b) harvesting the cells and isolating cells showing the presence of TTV DNA according to claim 1, (c) culturing the cells obtained in step (b) for at least three days, and (d) harvesting the cells of step (c).

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