University of California

Other

European Molecular Biology Laboratory

Embl

Inologic, Inc.

Carsten Schultz

Alexis Traynor-Kaplan

Roger Y Tsien

Edward Lemke

Marco Rudolf

Tilman Plass

Christoph Stadler

Stefan Roemer

Wenhong Li

Ivana Nikic

Jan-Erik Hoffmann

Tanja Meyerdierks

Iker Valle Aramburu

Mark Moody

Andrew Schnaars

Sigrid Milles

Jane Smith

Marco T Rudolf

Christine Koehler

Alexis E Traynor-Kaplan

Tillmann Plass

The present invention relates to compounds of formula: and methods for linking tetrazines with dienophiles to establish at least two linkages by sequentially performing at least two cycloaddition reactions. The methods in particular allow establishing multi-labeling strategies. In particular, the invention relates to methods for forming linkages by cycloaddition reactions, wherein the method comprises reacting a first alkyl-substituted tetrazine with a first dienophile comprising a trans-cyclooctenyl group followed by reacting a second tetrazine with a second dienophile comprising a cyclooctynyl group, wherein the reaction of the first tetrazine with the first dienophile proceeds in the presence of the second dienophile.

Trans-cyclooctene amino and hydroxy acids and their use in multiple cycloaddition reactions for labeling of molecules

The present invention relates to unnatural amino acids comprising a cyclooctynyl or trans-cyclooctenyl analog group and having formula (I) or an acid or base addition salt thereof. The invention also relates to the use of said unnatural amino acids, kits and processes for preparation of polypeptides that comprise one or more than one cyclooctynyl or trans-cyclooctenyl analog group. These polypeptides can be covalently modified by in vitro or in vivo reaction with compounds comprising an azide, nitrile oxide, nitrone, diazocarbonyl or 1,2,4,5-tetrazine group. 

Unnatural amino acids comprising a cyclooctynyl or trans-cyclooctenyl analog group and uses thereof

Inositol derivatives, compositions comprising inositol derivatives, and methods for using compositions comprising inositol derivatives as agents for activating the secretion of chloride ions and/or treatment of inflammation are described.

Inositol derivatives for increasing chloride secretion and inhibiting inflammation

Inositol derivatives, compositions comprising inositol derivatives, and methods for using compositions comprising inositol derivatives as agents for inhibiting superoxide anion production are described. The inositol derivatives are obtainable via conventional organic synthesis. The inositol derivatives inhibit superoxide anion produced by neutrophils and macrophages which cause tissue damage.

Inositol derivatives for inhibiting superoxide anion production

The present invention provides compositions that are cell permeable antagonists of inositol polyphosphates. In addition, the invention provides methods for enhancing chloride ion secretion from a cell by contacting the cells with cell permeable antagonists of inositol polyphosphates. The invention also provides methods for enhancing chloride ion secretion in an individual by administering cell permeable antagonists of inositol polyphosphates to the individual. The invention additionally provides methods for alleviating a sign or symptom associated with cystic fibrosis in an individual by administering a cell permeable antagonist of inositol polyphosphates to the individual. The invention also provides compositions that are cell permeable agonists of inositol polyphosphates. In addition, the invention provides methods for decreasing chloride ion secretion from a cell by contacting the cell with cell permeable agonists of inositol polyphosphates. The invention also provides methods for decreasing chloride ion secretion in an individual by administering cell permeable agonists of inositol polyphosphates to the individual. The invention additionally provides methods for alleviating a sign or symptom associated with secretory diarrhea in an individual by administering cell permeable agonists of inositol polyphosphates to the individual.

Inositol polyphosphate derivatives and methods of using same

Inositol polyphosphates and methods of using same

Acyloxyalkyl esters of phosphate-containing second messengers which are capable of permeating cell membranes. Once inside the cell, the ester derivatives undergo enzymatic conversion to the biologically active form of the second messenger. The acyloxyalkyl esters have the formula: ##STR1## wherein A.sub.1 to A.sub.6 is H, OH, F or ##STR2## wherein R is an alkyl group having from 2 to 6 carbon atoms and R' is H or CH.sub.3 or R is CH.sub.3 and R' is CH.sub.3 and wherein at least one of A.sub.1 to A.sub.6 is a phosphoester having the formula set forth above.

Membrane-permeant second messengers

Acyloxyalkyl esters of phosphate-containing second messengers which are capable of permeating cell membranes. Once inside the cell, the ester derivatives undergo enzymatic conversion to the biologically active form of the second messenger. Acyloxyalkyl esters of second messengers, such as cAMP, cGMP, inositol triphosphate and inositol tetraphosphate are disclosed.

Growing community of inventors

Bremen, Germany

Carsten Schultz