Abstract: Compositions for specifically cleaving target sequences in retroviruses include nucleic acids encoding a Clustered Regularly Interspace Short Palindromic Repeat (CRISPR) associated endonuclease and a guide RNA sequence complementary to one or more target nucleic acid sequences in a retrovirus genome.

Abstract: The present invention includes methods and compositions for elimination of polyomaviruses, such as John Cunningham Virus (JVC), from host cells, and the treatment of polyomavirus related diseases, such as progressive multifocal leukoencephalopathy (PML). The compositions include isolated nucleic acid sequences comprising an CRISPR-associated endonuclease and a guide RNA, wherein the guide RNA is complementary to a target sequence in a polyomavirus.

Abstract: Compositions for the in vivo delivery of a gene editing CRISPR/Cas9 complex was developed to eliminate integrated retroviral DNA sequences from latently infected human cells and animal disease models.

Abstract: Compositions include CRISPR-associated endonuclease, and one or more isolated nucleic acid sequences encoding gRNAs, wherein each gRNA is complementary to a target sequence in a retroviral genome. At least one endonuclease targets a Mannosyl Oligosaccharide Glucosidase (MOGS).

Abstract: The present disclosure relates to compositions and methods for the inhibition of the infectivity of a herpesvirus. The present disclosure relates in general to compositions and methods of treating or eradicating Herpes Simplex virus infections. The disclosure relates in particular to targeting of Herpes Simplex virus genes by gene editing complexes.

Abstract: Compositions for specifically cleaving target sequences in retroviruses include nucleic acids encoding a Clustered Regularly Interspace Short Palindromic Repeat (CRISPR) associated endonuclease and a guide RNA sequence complementary to a target sequence in a retrovirus and a receptor used by a retrovirus for infecting a cell. The CRISPR construct edits, for example, proviral HIV DNA, thereby eliminating the provirus from an infected cell and simultaneously edits a viral receptor, e.g. CCR5 preventing infection and reinfection of the host.

Abstract: A method of preventing transmission of a retrovirus from a mother to her offspring, by administering to the mother a therapeutically effective amount of a composition comprising a Clustered Regularly Interspaced Short Palindromic Repeat (CRISPR)-associated endonuclease, and the two or more different multiplex gRNAs, wherein each of the at least two gRNAs is complementary to a different target nucleic acid sequence in a long terminal repeat (LTR) of proviral DNA of the virus that is unique from the genome of the host cell, cleaving a double strand of the proviral DNA at a first target protospacer sequence with the CRISPR-associated endonuclease, cleaving a double strand of the proviral DNA at a second target protospacer sequence with the CRISPR-associated endonuclease, excising an entire HIV-1 proviral genome, eradicating the HIV-1 proviral DNA from the host cell, and preventing transmission of the proviral DNA to the offspring.

Abstract: Compositions for prevention or treatment for the SARS family of coronaviruses, e.g., SARS-CoV-2 and SARS-OC43 (common cold virus), include non-nucleoside reverse transcriptase inhibitors (NNRTI), such as rilpivirine, and nucleoside-analogue antiviral agents, such as remdesivir.

Abstract: The invention provides methods of treating ischemia/reperfusion injury in a subject. In one example, a method comprises administering a therapeutically effective amount of a pharmaceutical composition that increases levels of Bcl2-associated athanogene 3 (BAG3) polypeptide in ischemic tissue. The invention also provides methods of treating a subject at risk of ischemia/reperfusion injury. In one example, a method comprises administering a therapeutically effective amount of a pharmaceutical composition that increases levels of Bcl2-associated athanogene 3 (BAG3) polypeptide. In the invention methods, in one example, a pharmaceutical composition comprises a nucleic acid encoding BAG3 polypeptide.

Abstract: Compositions include gene editing agents, e.g. CRISPR that employ Cas13a for editing and inactivating sequences in the Coronavirus genome.

Abstract: Compositions that specifically cleave target sequences in Hepadnaviridae, for example Hepatitis B virus (HBV) include nucleic acids encoding a Clustered Regularly Interspaced Short Palindromic Repeat (CRISPR) associated endonuclease and a guide RNA sequence complementary to a target sequence in HBV. These compositions are administered to a subject for eradicating an infection, latent or otherwise, or at risk for contracting HBV infection.

Abstract: Compositions which specifically target Human T cell leukemia virus (HTLV) coding sequences and other essential protein sequences, induce mutations and/or deletions in the viral DNA, rendering the virus unable to undergo replication and less likely to infect other cells, thus halting the viral life cycle and viral propagation and halting cellular transformation induced by the virus.

Abstract: A method of eliminating the risk of JCV activation in a subject undergoing immunosuppressive therapy, by administering an effective amount of a gene editing composition directed toward at least one target sequence in the JCV genome, cleaving the target sequence in the JCV genome, disrupting the JCV genome, eliminating the JCV infection, eliminating the risk of JCV activation, and treating the subject with an immunosuppressive therapy. A pharmaceutical composition including at least one isolated nucleic acid sequence encoding a CRISPR-associated endonuclease and at least one gRNA having a spacer sequence complementary to a target sequence in a JCV DNA, the isolated nucleic acid sequences being included in at least one expression vector. Pharmaceutical compositions including at least one isolated nucleic acid sequence encoding at least one TALEN, at least one ZFN, and gene editing composition of C2c1, C2c3, TevCas9, Archaea Cas9, CasY.1-CasY.

Abstract: Compositions and methods are provided for Tat-inducible expression of a CRISPR-associated endonuclease by a truncated HIV LTR promoter containing at least a core region and a TAR region of a HIV LTR promoter. The compositions may be used as a therapeutic treatment for the treatment and/or prevention of HIV.

Abstract: A method of preventing transmission of a retrovirus from a mother to her offspring, by administering to the mother a therapeutically effective amount of a composition comprising a Clustered Regularly Interspaced Short Palindromic Repeat (CRISPR)-associated endonuclease, and the two or more different multiplex gRNAs, wherein each of the at least two gRNAs is complementary to a different target nucleic acid sequence in a long terminal repeat (LTR) of proviral DNA of the virus that is unique from the genome of the host cell, cleaving a double strand of the proviral DNA at a first target protospacer sequence with the CRISPR-associated endonuclease, cleaving a double strand of the proviral DNA at a second target protospacer sequence with the CRISPR-associated endonuclease, excising an entire HIV-I proviral genome, eradicating the HIV-I proviral DNA from the host cell, and preventing transmission of the proviral DNA to the offspring.

Abstract: Compositions that specifically cleave target sequences in Herpesviridae, for example Varicella zoster virus (VZV) include nucleic acids encoding a Clustered Regularly Interspaced Short Palindromic Repeat (CRISPR) associated endonuclease and a guide RNA sequence complementary to a target sequence in VZV. These compositions are administered to a subject for treating an infection or at risk for contracting a VZV infection.

Abstract: Compositions are directed to BCL2-associated athanogene 3 (BAG3) molecules and agents which modulate expression of BAG3 molecules. Pharmaceutical composition for administration to patients, for example, patients with heart failure, comprise one or more BAG3 molecules or agents which modulate expression of BAG3. Methods of treatment and identifying candidate therapeutic agents are also provided.

Abstract: The present invention includes methods and compositions for elimination of polyomaviruses, such as John Cunningham Virus (JVC), from host cells, and the treatment of polyomavirus related diseases, such as progressive multifocal leukoencephalopathy (PML). The compositions include isolated nucleic acid sequences comprising an CRISPR-associated endonuclease and a guide RNA, wherein the guide RNA is complementary to a target sequence in a polyomavirus.

Abstract: Compositions are directed to BCL2-associated athanogene 3 (BAG3) molecules and agents which modulate expression of BAG3 molecules. Pharmaceutical composition for administration to patients, for example, patients with heart failure, comprise one or more BAG3 molecules or agents which modulate expression of BAG3. Methods of treatment and identifying candidate therapeutic agents are also provided.

Abstract: Provided herein are gene editing compositions and methods that effectively modulate and/or edit a JCV genome. The effective modulation and/or editing is, in an aspect, achieved by gene editing compositions targeting a NCCR region, an early coding gene, and/or a late coding gene.