摘要:
The invention provides a novel amino acid, neo-tryptophan as well as polypeptides containing this novel amino acid such as neurotensin analogs. In addition, the invention provides neo-tryptophan derivatives, serotonin-like neo-tryptophan derivatives, and polypeptides containing such derivatives. The invention also provides methods for making neo-tryptophan, neo-tryptophan derivatives, serotonin-like neo-tryptophan derivatives, and compositions containing these compounds. Further, the invention provides methods for inducing a neurotensin response in a mammal as well as methods for treating a mammal having a serotonin recognition molecule.
摘要:
Compounds of formula (I) in which R is a hydroxy, alkoxy, phenylalkyloxy radical or -NH-CH2-COOH, R1 is a hydrogen atom, an adamantylacetyl, adamantylcarbonyl, norbornylacetyl, norbornylphenoxycarbonyl, benzoyl, nicotinoyl, 4-phenylbenzoyl, 4-tert-butylbenzoyl, 2-pyrrolidinecarbonyl radical or a protective group of an amine function, R2 is an Arg or Lys residue, R3 is an Arg or Lys residue, R4 is a Pro, m, n and p residue, which are the same or different and are a number equal to 0 or 1, given that when R1 is a hydrogen atom, the sum m+n+p is at least equal to 1, R5 and R6 are the same and are a hydroxy or methoxy radical and R7 is a hydrogen, chlorine, bromine or iodine atom or a nitro radical, the equivalents of the compounds of formula (I) in which one or more peptide bonds (CO-NH) between two amino acid residues are replaced by -CH2-NH bonds and/or the peptide bond (CO-NH) between the amino acid residues R2 and R3 is replaced by a CH=CH bond. The invention also concerns the salts of said compounds, the preparation thereof and drugs containing same.
摘要:
The invention relates to a labelled peptide compound, wherein the peptide has a selective neurotensin receptor affinity and is represented by the general formula (I): R1 - (1Pro)n - ?2Xaa - 3Xbb -4Xcc - 5Xdd - 6Xee - 7¿Leu - OH, wherein R¿1? is a (C1-C3)alkanoyl group, an arylcarbonyl group, an aryl-(C1-C3)alkanoyl group, or a chelating group attached by an amide bond or through a spacing group to the peptide molecule; Xaa and Xbb are each individually Arg or Lys; Xcc is an unsubstituted or substituted cyclic amino acid, preferably selected from Pro and Hyp; Xdd is Tyr, Trp or Phe; Xee is Leu, Ile or t.-butylalanine; and n is 0 or 1; and wherein said peptide is labelled with (a) a metal isotope, or (b) with a radioactive halogen isotope; on the understanding that: (i) if the label is a metal isotope, R1 represents a chelating group for chelating said isotope; and (ii) if the label is a radioactive halogen isotope, said halogen isotope is attached to ?4¿Tyr in the 2-position of the phenyl ring, to 4Trp, or to the aryl group of substituent R¿1?. The invention further relates to a pharmaceutical composition comprising said labelled peptide compound, to the use of said composition for diagnosis and therapy, and to a kit for preparing a radiopharmaceutical composition.
摘要:
A polypeptide is shown with the following formula: wherein A, B, C, D, E, F and R 1 are as defined in claim 1. The invention includes pharmaceutical compositions comprising the above polypeptide and the use of this polypeptide. Finally, preparation methods for the new polypeptide are disclosed.
摘要:
A polypeptide is shown with the following formula: wherein A, B, C, D, E, F and R 1 are as defined in claim 1. The invention includes pharmaceutical compositions comprising the above polypeptide and the use of this polypeptide. Finally, preparation methods for the new polypeptide are disclosed.
摘要:
The present invention relates to activated neurotensin, pharmaceutical compositions comprising the same, and the uses thereof. The compounds and compositions of the invention may be used e.g., to reduce body temperature or pain.
摘要:
Novel urotensin II receptor (UT) agonists and antagonists are described herein. More specifically, novel derivatives of urotensin ll-related peptide (URP) are described herein.