Abstract: The present invention relates to novel ?-AR homologous cyclopeptide-mutants comprising only two cysteine residues able to form an intramolecular linkage, to linear peptides that can form these cyclopeptide-mutants and to nucleic acid molecules encoding these cyclopeptide-mutants and linear peptides. Moreover, vectors and recombinant host cells comprising said nucleic acid molecule and a method for producing the disclosed cyclopeptide-mutants are provided. Further provided is a composition comprising the peptides, nucleic acid molecules, vectors or host cells of the invention. The present invention also relates to therapeutic and diagnostic means, methods and uses taking advantage of the peptides of the invention and to means, methods and uses for detecting anti-?-adrenergic receptor antibodies like anti-?-adrenergic receptor antibodies.

Abstract: Described is a chimeric peptide, comprising, in order, (a) a first detectable label (b) a cAMP binding moiety having only one cAMP binding site and (c) a second detectable label least two detectable labels is describe. The chimeric peptide is useful for direct determination of cAMP concentration in vitro and/or in vivo. Also described are nucleic acids encoding the chimeric peptide, methods of making and modifying the chimeric peptide, a method for determining the cAMP concentration, and kits.

Abstract: The present disclosure relates to binding compounds/antibodies that bind to the second extracellular loop of the human ?1-adrenoreceptor (?1-AR-ECII) that are produced by/obtainable from a host cell/hybridoma with a deposit number selected from the group consisting of DSM ACC3121, DSM ACC3174, DSM ACC3175, DSM ACC3176 and DSM AC-C3177. The binding compounds/antibodies are particularly useful in determination of auto-anti-?1-AR antibodies in an in vitro cell based assay system in order to characterize and to identify auto-antibodies directed against the ?1-AR-ECII in a biological sample. Further aspects of the disclosure are nucleic acid molecules encoding said binding compounds/antibodies, vectors, host cells, methods for producing the binding compounds/antibodies of the disclosure as well as a kit comprising the binding compounds/antibodies of the present disclosure.

Abstract: The invention relates to an antibody specific to Erk1/2 phosphorylated at Thr188 and a method for producing the same. The invention also relates to an in vitro method for determining the presence of phosphorylated Erk1/2 in a sample using the antibody of the invention. Therefore, the invention also comprises an assay for diagnosing a heart disease in vitro comprising the antibody of the invention and certain uses of the antibody. Moreover the invention relates to a peptide used to produce the antibody.

Abstract: Embodiments of the present invention provide for novel peptides of use for detection and/or inhibition of anti-?1-adrenergic receptor antibodies. Certain embodiments concern uses of cyclic and/or linear peptides. In other embodiments, the present invention relates to novel peptides of use in diagnostic and/or pharmaceutical compositions. Some embodiments concern diagnosing and/or treating cardiac conditions. Cardiac conditions of the instant invention can concern infectious heart disease, non-infectious heart disease, ischemic heart disease, non-ischemic heart disease, inflammatory heart disease, myocarditis, cardiac dilatation, idiopathic cardiomyopathy, idiopathic dilated cardiomyopathy, immune-cardiomyopathy, heart failure, and any cardiac arrhythmia condition.

Abstract: Embodiments of the present invention provide for novel peptides of use for detection and/or inhibition of anti-?1-adrenergic receptor antibodies. Certain embodiments concern uses of cyclic and/or linear peptides. In other embodiments, the present invention relates to novel peptides of use in diagnostic and/or pharmaceutical compositions. Some embodiments concern diagnosing and/or treating cardiac conditions. Cardiac conditions of the instant invention can concern infectious heart disease, non-infectious heart disease, ischemic heart disease, non-ischemic heart disease, inflammatory heart disease, myocarditis, cardiac dilatation, idiopathic cardiomyopathy, idiopathic dilated cardiomyopathy, immune-cardiomyopathy, heart failure, and any cardiac arrhythmia condition.

Abstract: Embodiments of the present invention provide for novel peptides of use for detection and/or inhibition of anti-?1-adrenergic receptor antibodies. Certain embodiments concern uses of cyclic and/or linear peptides. In other embodiments, the present invention relates to novel peptides of use in diagnostic and/or pharmaceutical compositions. Some embodiments concern diagnosing and/or treating cardiac conditions. Cardiac conditions of the instant invention can concern infectious heart disease, non-infectious heart disease, ischemic heart disease, non-ischemic heart disease, inflammatory heart disease, myocarditis, cardiac dilatation, idiopathic cardiomyopathy, idiopathic dilated cardiomyopathy, immune-cardiomyopathy, heart failure, and any cardiac arrhythmia condition.

Abstract: Embodiments of the present invention provide for novel peptides of use for detection and/or inhibition of anti-?1-adrenergic receptor antibodies. Certain embodiments concern uses of cyclic and/or linear peptides. In other embodiments, the present invention relates to novel peptides of use in diagnostic and/or pharmaceutical compositions. Some embodiments concern diagnosing and/or treating cardiac conditions. Cardiac conditions of the instant invention can concern infectious heart disease, non-infectious heart disease, ischemic heart disease, non-ischemic heart disease, inflammatory heart disease, myocarditis, cardiac dilatation, idiopathic cardiomyopathy, idiopathic dilated cardiomyopathy, immune-cardiomyopathy, heart failure, and any cardiac arrhythmia condition.

Abstract: Embodiments of the present invention provide for novel peptides of use for detection and/or inhibition of anti-?1-adrenergic receptor antibodies. Certain embodiments concern uses of cyclic and/or linear peptides. In other embodiments, the present invention relates to novel peptides of use in diagnostic and/or pharmaceutical compositions. Some embodiments concern diagnosing and/or treating cardiac conditions. Cardiac conditions of the instant invention can concern infectious heart disease, non-infectious heart disease, ischemic heart disease, non-ischemic heart disease, inflammatory heart disease, myocarditis, cardiac dilatation, idiopathic cardiomyopathy, idiopathic dilated cardiomyopathy, immune-cardiomyopathy, heart failure, and any cardiac arrhythmia condition.

Abstract: The invention relates to an antibody specific to Erk1/2 phosphorylated at Thr188 and a method for producing the same. The invention also relates to an in vitro method for determining the presence of phosphorylated Erk1/2 in a sample using the antibody of the invention. Therefore, the invention also comprises an assay for diagnosing a heart disease in vitro comprising the antibody of the invention and certain uses of the antibody. Moreover the invention relates to a peptide used to produce the antibody.

Abstract: The present invention relates to novel ?-AR homologous cyclopeptide-mutants comprising only two cysteine residues able to form an intramolecular linkage, to linear peptides that can form these cyclopeptide-mutants and to nucleic acid molecules encoding these cyclopeptide-mutants and linear peptides. Moreover, vectors and recombinant host cells comprising said nucleic acid molecule and a method for producing the disclosed cyclopeptide-mutants are provided. Further provided is a composition comprising the peptides, nucleic acid molecules, vectors or host cells of the invention. The present invention also relates to therapeutic and diagnostic means, methods and uses taking advantage of the peptides of the invention and to means, methods and uses for detecting anti-?-adrenergic receptor antibodies like anti-?radrenergic receptor antibodies.

Abstract: The present invention is related to a peptide selected from the group comprising a) a cyclic peptide of formula (I): Cyclo(AIa-x-x-x-x-x-x-x-x-x-Cys-x-x-x-Pro-x-Cys-Cys-xk-GIn), (I) whereby k is any integer from 0 to 6, preferably any integer from 1 to 6, more preferably k=6; b) a cyclic peptide of formula (II): Cyclo(Ala-x-x-Trp-x-x-Gly-x-Phe-x-Cys-xh-Gln), (II) whereby h is any integer from 0 to 2, preferably 1 or 2; c) a cyclic peptide of formula (III): Cyclo(AIa-x-x-x-x-x-x-x-x-x-Cys-xj-Cys-x-x-x-Pro-x-Cys-Cys-xi-Gln); (HI) whereby j is any integer from 0 to 4, preferably j=4; whereby i is any integer from 0 to 6, preferably any integer from 1 to 6, more preferably i?6; and d) a peptide of formula (IV): Ala-x1-Cys-xm-Cys-x-x-x-Pro-x-Cys-Cys-xn-Gln, (IV) whereby 1 is any integer from 0 to 9, preferably any integer from 1 to 9, more preferably n=9; whereby m is any integer from 0 to 4, preferably any integer from 1 to 4, more preferably m=4; whereby n is any integer from O to 6, preferably any integer from

Abstract: The present invention relates to a chimeric peptide, comprising a cAMP binding moiety having only one cAMP binding site and at least two detectable labels, whereby the first of said two detectable labels is located at the carboxy terminus and the second of said two detectable labels is located at the amino terminus of said cAMP binding moiety. Said chimeric peptide of the invention is particularly useful in/for direct determination of cAMP concentrations) in vitro and/or in vivo. Furthermore, nucleic acid molecules encoding said chimeric proteins are described as well as vectors and host cells comprising the same. The present invention also provides methods for producing the chimeric protein of the invention and methods for identification and screening of molecules or compounds which are capable of modifying cAMP binding to the chimeric peptide of the invention or the biological and/or pharmacological function of adenylyl cyclases or phosphodiesterases.

Abstract: The present invention relates to a method of inhibiting desensitization of a cell to the effects of a compound. The method comprises contacting the cell with an agent capable of inhibiting phosphorylation, by a protein kinase, of a receptor for the compound present on the surface of the cell. The present invention also relates to a method of screening a compound for its ability to inhibit desensitization.

Abstract: The present invention relates to a method of inhibiting desensitization of a cell to the effects of a compound. The method comprises contacting the cell with an agent capable of inhibiting phosphorylation, by a protein kinase, of a receptor for the compound present on the surface of the cell. The present invention also relates to a method of screening a compound for its ability to inhibit desensitization. The method comprises: i) contacting a receptor specific kinase-containing sample with the compound under conditions such that interaction between receptor specific kinase present in the sample and the compound can occur, and ii) determining the ability of the receptor specific kinase to phosphorylate the receptor for which it is specific.

Abstract: The present invention relates to a method of inhibiting desensitization of a cell to the effects of a compound. The method comprises contacting the cell with an agent capable of inhibiting phosphorylation, by a protein kinase, of a receptor for the compound present on the surface of the cell. The present invention also relates to a method of screening a compound for its ability to inhibit desensitization. The method comprises: i) contacting a receptor specific kinase-containing sample with the compound under conditions such that interaction between receptor specific kinase present in the sample and the compound can occur, andii) determining the ability of the receptor specific kinase to phosphorylate the receptor for which it is specific.