TLR7 ligand and uses thereof

Simple SummaryContent extracted from patent full text and abstract with AI.

This patent discloses specific RNA oligonucleotides that contain at least one G:U (guanine:uridine) wobble base pair within a double-stranded RNA structure as novel, selective ligands for Toll-like receptor 7 (TLR7). These RNA oligonucleotides stimulate TLR7-mediated immune responses, particularly type I interferon induction, without activating TLR8 or requiring complex delivery reagents. The invention includes methods of designing, making, and using these TLR7-selective ligands for immunotherapy, particularly in treating viral infections, cancers, and immune disorders.

Use CasesContent extracted from patent full text and abstract with AI.

• Development of immunotherapeutic drugs that target TLR7 for the treatment of viral infections such as hepatitis, influenza, or HIV.
• Creation of cancer therapies that stimulate anti-tumor immunity via TLR7 activation.
• Design of adjuvants for vaccines to enhance immune response.
• Treatment of immune disorders or modulation of the immune system in autoimmune diseases.
• In vitro stimulation of immune cells for research, diagnostic, or drug discovery purposes.
• Potential use in combination therapies with other immunostimulatory, antiviral, or anti-tumor agents.

BenefitsContent extracted from patent full text and abstract with AI.

• Highly selective activation of TLR7 without cross-activation of TLR8, minimizing off-target immune effects.
• Induces strong type I interferon (IFN) responses, important for antiviral and antitumor immunity.
• Can be effective without complexation or delivery agents, simplifying formulation and potentially improving safety and cost.
• Structural requirements (G:U wobble base pair in a defined RNA duplex) allow rational design of ligands for specific applications.
• May be tailored to function as vaccine adjuvants or standalone therapeutics.
• Broad spectrum of potential medical applications (infections, cancer, immune modulation), increasing versatility.

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

The present invention provides a TLR7 ligand and its use in therapeutic applications. Specifically, the present application provides a RNA oligonucleotide comprising a G:U wobble base pair in the context of a fully double-stranded structure and its use in treating disease such as viral infections, immune disorders and cancer.