Abstract: The invention provides compounds of formula (I) and salts thereof, wherein R1, L1, A, RA, n, L2, and R2 have any of the values defined in the specification, as well as compositions comprising the compounds and methods for their use.

Abstract: The invention provides a compound of compound of formula (I): or a salt thereof, wherein R1, n, L, and X have any of the values described herein, as well as compositions and lipid nanoparticles comprising a compound of formula I, and their use for delivering therapeutic agents such as siRNA and mRNA.

Abstract: Described herein are block copolymers, and methods of making and utilizing such copolymers. The described block copolymers are disruptive of a cellular membrane, including an extracellular membrane, an intracellular membrane, a vesicle, an organelle, an endosome, a liposome, or a red blood cell. Preferably, in certain instances, the block copolymer disrupts the membrane and enters the intracellular environment. In specific examples, the block copolymer is endosomolytic and capable of delivering an oligonucleotide (e.g., an mRNA) to a cell. Compositions comprising a block copolymer and an oligonucleotide (e.g., an mRNA) are also disclosed.

Abstract: Certain embodiments of the invention provide lipid nanoparticles for delivery nucleic acid therapeutics to the lungs.

Abstract: Provided herein are micellic assemblies comprising a plurality of copolymers. In certain instauces, micellic assemblies provided herein are pH sensitive particles.

Abstract: Certain embodiments of the invention provide lipids useful for preparing lipid nanoparticles for delivering therapeutic agents to, e.g., hepatic stellate cells.

Abstract: Certain embodiments of the invention provide lipids useful for preparing lipid nanoparticles for delivering therapeutic agents to, e.g., hepatic stellate cells.

Abstract: Provided herein are certain nucleic acids (e.g., double stranded siRNA molecules), as well as conjugates that comprise a targeting moiety, a double stranded siRNA, and optional linking groups. Certain embodiments also provide synthetic methods useful for preparing the conjugates. The conjugates are useful to treat certain diseases, such as liver fibrosis, e.g., in the setting of NASH or ASH.

Abstract: Provided herein are certain nucleic acids (e.g., double stranded siRNA molecules), as well as conjugates that comprise a targeting moiety, a double stranded siRNA, and optional linking groups. Certain embodiments also provide synthetic methods useful for preparing the conjugates. He conjugates are useful to treat certain diseases, such as acromegaly.

Abstract: The invention provides lipid nanoparticles and formulations containing lipid nanoparticles.

Abstract: The invention provides methods and compositions for delivering a nucleic acid to a cell or the cytosol of the target cell. The method includes contacting the cell with, 1) a membrane-destabilizing polymer; and 2) a nucleic acid conjugate. The nucleic acid conjugate includes a targeting ligand bound to an optional linker and a nucleic acid.

Abstract: Described herein are block copolymers, and methods of making and utilizing such copolymers. The described block copolymers are disruptive of a cellular membrane, including an extracellular membrane, an intracellular membrane, a vesicle, an organelle, an endosome, a liposome, or a red blood cell. Preferably, in certain instances, the block copolymer disrupts the membrane and enters the intracellular environment. In specific examples, the block copolymer is endosomolytic and capable of delivering an oligonucleotide (e.g., an mRNA) to a cell. Compositions comprising a block copolymer and an oligonucleotide (e.g., an mRNA) are also disclosed.

Abstract: Provided herein are micellic assemblies comprising a plurality of copolymers. In certain instances, micellic assemblies provided herein are pH sensitive particles.

Abstract: Described herein are block copolymers, and methods of making and utilizing such copolymers. The described block copolymers are disruptive of a cellular membrane, including an extracellular membrane, an intracellular membrane, a vesicle, an organelle, an endosome, a liposome, or a red blood cell. Preferably, in certain instances, the block copolymer disrupts the membrane and enters the intracellular environment. In specific examples, the block copolymer is endosomolytic and capable of delivering an oligonucleotide (e.g., an mRNA) to a cell. Compositions comprising a block copolymer and an oligonucleotide (e.g., an mRNA) are also disclosed.

Abstract: Provided herein are micellic assemblies comprising a plurality of copolymers. In certain instauces, micellic assemblies provided herein are pH sensitive particles.