Abstract: The present invention relates to anti-Epidermal Growth Factor Receptor (EGFR) conformational single domain antibodies and uses thereof in particular in the therapeutic and diagnostic field.

Abstract: The present invention relates to anti-Epidermal Growth Factor Receptor (EGFR) conformational single domain antibodies and uses thereof in particular in the therapeutic and diagnostic field.

Abstract: The present invention relates to anti-metabotropic glutamate receptor subtype 2 (mGluR2) conformational single domain antibodies and uses thereof in particular in the therapeutic and diagnostic field.

Abstract: The present invention relates to anti-Epidermal Growth Factor Receptor (EGFR) conformational single domain antibodies and uses thereof in particular in the therapeutic and diagnostic field.

Abstract: The present invention relates to anti-metabotropic glutamate receptor subtype 2 (mGluR2) conformational single do main antibodies and uses thereof in particular in the therapeutic and diagnostic field.

Abstract: The present invention relates to an ex vivo method for determining the susceptibility of a patient suffering from cancer to respond to a therapeutic treatment based on the administration of an antibody specific for the HER2 protein, this method comprising the quantification of HER2-HER2 dimers in a tissue sample from said patient using the FRET technique. The invention also relates to a kit of reagents for implementing this method.

Abstract: The subject matter of the invention is a method for measuring the luminescence of a long-life fluorescent compound present in a measuring medium, said medium containing a biological sample, characterized in that it comprises the following steps: a) introduction of a long-life fluorescent compound into the measuring medium, b) introduction, into the measuring medium, of a fluorescent marking agent, the absorption spectrum of which allows the excitation thereof at the same wavelength as that used to excite the long-life fluorescent compound, wherein said emission spectrum allows the measurement of the luminescence thereof at the same wavelength as that used to measure the luminescence of the long-life fluorescent compound, c) excitation of the measuring medium with a wavelength corresponding to an absorption peak of the long-life fluorescent compound, d) measurement of the luminescence emitted by the measuring medium immediately after excitation of said medium, mainly corresponding to the luminescence of the

Abstract: The invention relates to a method for quantifying a protein of interest expressed at the surface of a cell or else present in a tissue sample, said method comprising the use of two ligands capable of binding specifically to a domain of said protein.

Abstract: The invention relates to a method for determining whether a test compound binds preferentially to a membrane receptor R1 or to a membrane receptor R2, these receptors being known to be expressed on the surface of the cells in monomeric, homodimeric or heterodimeric form. This method is applied using one or two FRET partner pairs.

Abstract: Method for the detection in homogeneous medium of a post-translational modification of a proteinaceous substrate catalyzed by a cell enzyme, characterized in that the post-translational modification reaction takes place in intact living cells, in that these cells comprise a heterologous expression vector coding for a fusion protein comprising the proteinaceous substrate and a first coupling domain and in that it comprises the following stages: (i) Incubation of the cells in the presence or in the absence of a compound to be tested capable of modulating the activity of said enzyme, (ii) Addition to the reaction medium of a first fluorescent compound member of a first pair of FRET partners covalently bonded to a coupling agent capable of binding specifically to the first coupling domain present on the proteinaceous substrate, (iii) Addition to the reaction medium of a second fluorescent compound member of this first pair of FRET partners, and covalently bonded to a binding domain specific to the site of the

Abstract: The invention relates to a quantitative non-microscopic method of detecting intracellular interactions between biomolecules in living cells, in response to a biological or pharmacological stimulation, by a time-resolved proximate energy transfer effect between two members of a fluorescence donor/acceptor pair.

Abstract: The invention relates to a method for suppressing the FRET emitted by a reaction medium containing a pair of fluorescent FRET partner conjugates specific for a biological event, characterized in that a FRET signal killer which does not disturb said biological event is introduced into this medium.

Abstract: The invention relates to a method for determining whether a test compound binds preferentially to a membrane receptor R1 or to a membrane receptor R2, these receptors being known to be expressed on the surface of the cells in monomeric, homodimeric or heterodimeric form. This method is applied using one or two FRET partner pairs.

Abstract: The present invention relates to inositol phosphate derivatives, in which the inositol phosphate is substituted with one or two reactive groups G or one or two conjugated substances or molecules M, said reactive group(s) G or said substance(s) or molecule(s) M being linked to IP1 via a linkage group L, M being chosen from the following group: a tracer, an immunogen, a member of a binding partner pair, a solid support. Application: tools allowing the study of the inositol phosphate cycle and therefore, indirectly, the study of seven transmembrane domain receptors coupled to phospholipase C, receptors having a tyrosine kinase activity, and in general enzymes involved in the variations of the intracellular concentration of IP1.

Abstract: The present invention relates to a method of revealing a biological process using a FRET measurement, which comprises the following steps: incorporating, into a measurement medium containing a lipid membrane, a biological entity X coupled with a first member of a pair of FRET partners and a second biological entity Y coupled with the second member of the pair of FRET partners, the energy-donating member of the pair of FRET partners having a long lifetime and the members of said pair of FRET partners being located on either side of the lipid membrane; exciting the measurement medium at the excitation wavelength of the energy-donating member; and measuring the FRET signal or the variations in said signal emitted in said culture medium.

Abstract: The invention concerns the use of the fluorescence polarization phenomenon to improve detection of fluorescent signals during a fluorescence resonance energy transfer (FRET). In particular, the invention concerns a method for improving signal/noise ratio in a FRET measurement. The invention also concerns an apparatus for measuring fluorescence following an energy transfer between a donor fluorescent compound and an acceptor fluorescence compound in a measurement medium.

Abstract: Method for the detection in homogeneous medium of a post-translational modification of a protein substrate catalyzed by a cell enzyme, characterized in that the post-translational modification reaction takes place in intact living cells, in that these cells comprise a heterologous expression vector coding for a fusion protein comprising the protein substrate and a first coupling domain and in that it comprises the following stages: (v) Incubation of the cells in the presence or in the absence of a compound to be tested capable of modulating the activity of said enzyme, (vi) Addition to the reaction medium of a first fluorescent compound member of a first pair of FRET partners covalently bonded to a coupling agent capable of binding specifically to the first coupling domain present on the protein substrate, (vii) Addition to the reaction medium of a second fluorescent compound member of this first pair of FRET partners, and covalently bonded to a binding domain specific to the site of the protein substrate hav

Abstract: The invention concerns the use of the fluorescence polarization phenomenon to improve detection of fluorescent signals during a fluorescence resonance energy transfer (FRET). In particular, the invention concerns a method for improving signal/noise ratio in a FRET measurement. The invention also concerns an apparatus for measuring fluorescence following an energy transfer between a donor fluorescent compound and an acceptor fluorescence compound in a measurement medium.

Abstract: The present invention relates to a method of revealing a biological process using a FRET measurement, which comprises the following steps: incorporating, into a measurement medium containing a lipid membrane, a biological entity X coupled with a first member of a pair of FRET partners and a second biological entity Y coupled with the second member of the pair of FRET partners, the energy-donating member of the pair of FRET partners having a long lifetime and the members of said pair of FRET partners being located on either side of the lipid membrane; exciting the measurement medium at the excitation wavelength of the energy-donating member; and measuring the FRET signal or the variations in said signal emitted in said culture medium.

Abstract: The present invention relates to a quantitative non-microscopic method of detecting intracellular interactions between biomolecules, on living cells, in response to a biological or pharmacological stimulation, by a time-resolved proximate energy transfer effect between two members of a fluorescence donor/acceptor pair.