摘要:
The invention provides methods for detection of medical disorders, associated with cellular oxidative stress, cell degeneration and / or cell death. The invention further relates to compounds comprising a thiol (-SH) group, for detecting cells undergoing oxidative stress, degeneration and / or a death process. The invention further provides methods for utilizing the compounds in medical practice, for diagnostic and therapeutic purposes.
摘要:
The invention provides novel methods for selective targeting of chemical compounds to cells undergoing a death process, in particular apoptosis, and to platelets undergoing activation during blood coagulation. The invention further provides compounds to be used in said methods for medical practice, for diagnostic and therapeutic purposes.
摘要:
The present invention relates to compounds that selectively bind to cells undergoing perturbations and alterations of their normal plasma membrane organization, such as cells undergoing apoptosis or activated platelets. The invention further provides methods for utilizing said compounds in medical practice, for diagnostic and therapeutic purposes.
摘要:
The present invention relates to an NST300 compound of general formula (I): comprising the following components: X1 - [(X3)a / (X4)b] in which X1 represents a fatty acid or prenyl group; and X3 represents a domain of positively charged amino acids; and X4 represents a domain containing aromatic amino acids; and a stands for an integer of 1-8; and b stands for an integer of 1-8. The invention relates also to pharmaceutical compositions comprising a compound of general formula (I), the use of said compound and of said pharmaceutical composition in the preparation of a medicament and in methods for the treatment or prevention of prothrombic states in disorders which are associated with excessive procoagulant activity, initiated or propagated by CMLA loss. The invention relates also to the use of said compound and of said pharmaceutical composition for the diagnosis of CMLA loss; as a targeting agent; as targeting drugs to tissues inflicted by CMLA loss; and for basic research in fields of research in which CMLA loss takes place both in vitro and in vivo.
摘要:
The present invention provides novel compounds that bind selectively to cells undergoing perturbations and alterations of the normal organization of their plasma membrane, while binding to a lesser degree to cells having membranes of normal organization, and their uses as diagnostic probes. Said compounds and methods used therein may be useful in medical practice, for applications such as diagnosis of disease and monitoring of response to therapy.
摘要:
The present invention concerns a method for selectively targeting a medicinally-useful agent into cells in which a phospholipid scramblase (PLS) transport system is activated. The method comprises administering the agent, being a PLS-dependent transported compound (PDTC) to the cells, thereby causing selective transport of the agent into the cells. Examples of the cells are apoptotic cells, activated cells and injured cells. Also disclosed are pharmaceutical compositions for use by the method.
摘要:
This invention provides new small-molecules capable of selective binding to membranes comprising and exposing phosphatidylserine on their surface and / or membranes which have increased amounts of phosphatidylethanolamine in their outer leaflet.
摘要:
The present invention provides uses of compounds that bind selectively to cells undergoing perturbations and alterations of their normal membrane organization, while binding to a lesser degree to cell having membranes of normal organization. These compounds are termed perturbed-membrane-binding compounds (PMBC). The PMBC group of compounds includes new compounds and also known compounds, all comprising one or more (5-(dimethylamino)-1-naphthalenyl)sulfonylamino group.
摘要:
The present invention consists in compound (hereinafter: 'NST500 compound') of general formula (I) comprising the following components: X1-X2-{(X3)a/X4/X5}-X6 wherein: X1 stands for a saturated or unsaturated fatty acid residue comprising 6 - 20 carbon atoms; or a cysteine residue bound through a thioether bond to a prenyl group comprising 5 - 20 carbon atoms; said residue being linked to the adjacent component of the compound through an amide bond; X2 is either 0 or consists of a unit of general formula A*2n, in which A stands for a branching unit and n stands for 0 - 4; X¿3? comprises 1 - 6 amino acids, of which 1-6 are positively charged and 0-2 are negatively charged, the other amino acid residues being polar uncharged amino acids; X4 comprises 1-6 amino acids, of which 1-2 are aromatic amino acids, the other amino acids being selected among polar uncharged amino acids and hydrophobic aliphatic amino acids; X5 comprises 1-6 amino acids, of which 1-6 are positevely charged and 0-2 are negatively charged, the other amino acid residues being polar uncharged amino acids, wherein the amino acids have a cyclic structure; X6 is a compound of general formula (II) wherein Z stands for a spacer group selected among alkane and alkene containing 1 - 5 carbon atoms, J stands for a functional group selected among amines, thiols, alcohols, carboxylic acids and esters, aldeydes and alkyl halides; U is 0 or is selected among a labeling group; wherein: a stands for an integer of 1 - 3; and the groups X3, X4 and X5 being located at various places in the compound; as well as functional equivalents thereof and/or compounds having the same biological activity thereto. The invention relates also to pharmaceutical compositions comprising a compound of general formula (I), the use of said compound and of said pharmaceutical composition in the preparation of a medicament and in methods for the treatment or prevention of prothrombic states in disorders which are associated with excessive procoagulant activity, initiated or propagated by CMLA loss. The invention relates also to the use of said compound and of said pharmaceutical composition for the diagnosis of CMLA loss; as a targeting agent; as targeting drugs to tissues inflicted by CMLA loss; as part of affinity filter; and for basic research in which fields of research in CMLA loss takes place both in vitro and in vivo. The invention also relates to a process for the preparation of a NST500 compound of general formula (I).
摘要:
The present invention relates to an isolated and purified peptide of the RY domain having an amino acid sequence of general formula (I) comprising a sequence of the following amino acids: X1 - X2 - X3 - X4 - X1 - X4 - X4 - X3 - X1, X1 = Phe, Tyr, or any amino acid having a substituted aromatic residue; X2 = Glu, Asp, Ser, or any amino acid having a -(CH2)n-COO residue, wherein n = 0-3; X3 = Asp, Thr, any aliphatic amino acid, or any of amino acids X4; and X4 = Arg, Lys, or any amino acid having a -(CH2)n-NH3+ residue, or a -(CH¿2?)n-NH-C(NH3?+)NH¿2 residue wherein n = 0-4; as well as functional equivalents thereof. The invention relates also to pharmaceutical compositions comprising a compound of general formula (I), the use of said RY peptide and of said pharmaceutical composition in the preparation of a medicament and in methods for the treatment of disorders of inappropriate activation of apoptosis; for increasing the number of viable cells in a biological tissue; and in a method for the enhancement for the survival of biological cells. The invention also relates to a method for the preparation of a RY-peptide of general formula (I). Furthermore, the invention also relates to an in vitro assay system for the regulation of cell death by the Bcl-2 family of test compounds (as hereinbefore defined).