Patents Assigned to Université d'Angers
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Patent number: 12186366Abstract: The present invention concerns clusterin for use in the treatment of thrombotic microangiopathies, and a pharmaceutical composition comprising clusterin for use in the treatment of thrombotic microangiopathies, said composition not comprising von Willebrand factor protease. The present invention also concerns an ex vivo method for stratifying a patient suffering, or likely to be suffering, from TMA, comprising the following steps: 1) measuring, in a biological sample from said patient, the amount LC of clusterin, and 2) comparing the amount Lc measured in step 1) with an amount Lref of clusterin by calculating the score S1=LC/Lref, in which: •If S1?1, the patient is considered to be likely to benefit from a treatment of the TMA with clusterin, •If S1>1, the patient is not considered to be likely to benefit from treatment of TMA with clusterin.Type: GrantFiled: July 20, 2018Date of Patent: January 7, 2025Assignees: UNIVERSITE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, CENTRE HOSPITALIER UNIVERSITAIRE DE BORDEAUX, INSERM—INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE, UNIVERSITE D'ANGERS, CENTRE HOSPITALIER UNIVERSITAIRE D'ANGERSInventors: Jean-Francois Augusto, Cecile Contin-Bordes, Yahsou Delmas, Patrick Blanco, Yves Delneste, Pascale Jeannin, Celine Beauvillain
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Patent number: 12186433Abstract: The present invention concerns modified nucleobases, nucleosides, deoxynucleosides, and/or their derivatives, nanocapsules comprising them, hydrogels and oleogels comprising said nanocapsules or said above-mentioned compounds and their uses, in particular their pharmaceutical uses.Type: GrantFiled: September 7, 2018Date of Patent: January 7, 2025Assignees: Universite D'Angers France, Institut National De La Sante et de la Recherche Medicale (INSERM), Centre National de la Recherche Scientifique, Centre Hospitalier Universitaire D'Angers Cedex FranceInventors: Marion Pitorre, Guillaume Bastiat, Jérôme Bejaud, Jean-Pierre Benoit
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Patent number: 12181415Abstract: A method for identifying a microorganism to be identified, which includes the following steps: obtaining an Excitation-Emission EEM of the microorganism to be identified, analysing the main components of the EEM matrix using at least one reference EEMr matrix, projecting the result of the analysis onto a plane defined by two main components, and identifying the microorganism to be identified.Type: GrantFiled: November 27, 2020Date of Patent: December 31, 2024Assignees: UNIVERSITE DU MANS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE-CNRS-, CENTRE HOSPITALIER UNIVERSITAIRE D'ANGERS, UNIVERSITE D'ANGERSInventors: Jean-François Bardeau, Jean-Philippe Bouchara
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Publication number: 20240389587Abstract: A phytopharmaceutical method for treating a plant organ affected by a phytopathogenic fungal strain. The method includes the steps of applying on the plant organ a composition including at least one xanthone UPR (Unfolded Protein Response) inhibitor, preferably, an IRE-1 (Inositol-Requiring Enzyme 1) inhibitor, in a sub-effective amount. Also, a phytopharmaceutical composition including at least one UPR (Unfolded Protein Response) inhibitor in a sub-effective amount.Type: ApplicationFiled: November 30, 2022Publication date: November 28, 2024Applicants: INSTITUT NATIONAL DE RECHERCHE POUR L'AGRICULTURE, L'ALIMENTATION ET L'ENVIRONNEMENT (INRAE), AGROCAMPUS OUEST (Institut national supérieur des sciences agronomiques, agro-alimentaires,, UNIVERSITÉ D'ANGERSInventors: Nelly BATAILLÉ-SIMONEAU, Thomas CHARPENTIER, Thomas GUILLEMETTE, Anne-Marie LE RAY, Pascal RICHOMME-PENIGUEL, Philippe SIMONEAU, Guillaume VIAULT
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Patent number: 12144896Abstract: The treatment of cancer using platinum-based compounds includes certain drawbacks such as biocompatibility, loading efficacy, leakage of drugs during storage and in the bloodstream, more particularly due to the nature of the nanocarriers for platinum delivery. A nanosystem that allows improving platinum-based drug in vivo performance, kinetics and efficacy. In particular, nanoparticles useful as drug delivery system, these nanoparticles being formed from at least: (a) platinum-based drug, (b) poly-L-arginine, and (c) hyaluronic acid. Particularly, these nanoparticles have been tested in terms of entrapment efficiency and also carried out in vitro experiments in 2D cell culture (viability studies on B6KPC3, A549 and HT-29 cells) and 3D cell model (spheroids made of HTC-116) and in vivo experiments (by injecting intravenously to mice the nanoparticles or comparative oxaliplatin solution) to prove their efficiency.Type: GrantFiled: September 16, 2019Date of Patent: November 19, 2024Assignees: INSERM (INSTITUT NATIONAL DE LA SANTÉ ET DE LA RECHERCHE MÉDICALE), CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS—, UNIVERSITE D'ANGERS, CENTRE HOSPITALIER UNIVERSITAIRE D'ANGERSInventors: Giovanna Lollo, Jean-Pierre Benoit, Marie Brachet-Botineau
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Patent number: 12120892Abstract: The application relates to organic-inorganic hybrid perovskites of formula (I): [(A)1?2.48p?b(B)3.48p+b](1+2p?y)/1+p)(Pb)1?p?m(M)m(X1)3?y?q(X2)q(I), and perovskite photovoltaic cells comprising the same.Type: GrantFiled: July 19, 2018Date of Patent: October 15, 2024Assignees: UNIVERSITÉ D'ANGERS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), CHIMIE PARISTECHInventors: Nicolas Mercier, Antonin Leblanc, Thierry Pauporté
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Publication number: 20230384312Abstract: A method of predicting the risk of recurrence in a subject undergoing treatment for, or having undergone treatment for, clear cell renal cell carcinoma (ccRCC), by comparing the level of extracellular vesicles, preferably microvesicles, expressing carbonic anhydrase 9 (CA9+ MVs) in a sample from the subject with a reference level. Also, a method of diagnosing ccRCC or identifying a risk of developing ccRCC, by comparing the level of CA9+ MVs in a sample from the subject with a reference level.Type: ApplicationFiled: October 22, 2021Publication date: November 30, 2023Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, CENTRE HOSPITALIER UNIVERSITAIRE D'ANGERS, UNIVERSITE D'ANGERS, INSERM (INSTITUT NATIONAL DE LA SANTÉ ET DE LA RECHERCHE MÉDICALE)Inventors: Maria del Carmen MARTINEZ, Pierre BIGOT, Luisa VERGORI
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Patent number: 11723948Abstract: The present invention relates to an in vitro method for determine the prognosis of the survival time of a patient suffering from a cancer comprising the steps consisting of i) determining the expression level of the couple DNMT3A/ISGF3? in a sample from said patient, ii) comparing said expression level with a predetermined reference value and iii) providing a good prognosis when the expression level is lower than the predetermined reference value and a poor prognosis when the expression level is higher than the predetermined reference value. The invention also relates a compound which is a DNMT3A/ISGF3? antagonist or a compound which is a DNMT3A/ISGF3? gene expression inhibitor for use in the treatment and prevention of cancer.Type: GrantFiled: May 21, 2020Date of Patent: August 15, 2023Assignees: INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE), NANTES UNIVERSITÈ, UNIVERSITE D'ANGERS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)Inventors: Pierre-Francois Cartron, Mathilde Cheray, Francois Valette
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Publication number: 20230232833Abstract: The present invention relates to binary and ternary synergistic combinations and to mosquito insecticides and mosquito larvicides containing such synergistic combinations. The present invention also concerns the use of the mosquito insecticides and mosquito larvicides in the control of mosquito-borne diseases, such as, for example, malaria, dengue, Zika, chikungunya and yellow fever.Type: ApplicationFiled: June 29, 2021Publication date: July 27, 2023Applicant: Universite d'AngersInventors: Marine EL ADOUZI, Véronique APAIRE-MARCHAIS, Valérie RAYMOND, Bruno LAPIED
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Patent number: 11605460Abstract: Disclosed is a non-invasive method for assessing in a subject the presence and severity of a liver lesion, or the risk of death or liver-related events, including: 1) performing at least three binary logistic regressions on at least one variable, performed on the same variable(s) but each directed to a different single diagnostic target, thereby obtaining at least three scores; 2) combining the scores from step 1) in a multiple linear regression to obtain a new multi-targeted score; 3) optionally sorting the multi-targeted score obtained in step 2) in a classification of liver lesion stages or grades, thereby determining to which liver lesion stage or grade the subject belongs based on his/her multi-targeted score. Also disclosed is a single multi-targeted non-invasive test obtained by the combination of single-targeted non-invasive tests providing a unique score and a unique classification with improved accuracy compared to single-targeted diagnostic tests.Type: GrantFiled: August 1, 2017Date of Patent: March 14, 2023Assignees: CENTRE HOSPITALIER UNIVERSITAIRE D'ANGERS, UNIVERSITÉ D'ANGERSInventor: Paul Calès
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Patent number: 11566260Abstract: Disclosed is a method for preventing, controlling or treating a fungal infection on a plant. The method includes applying to such plant organ a non-fungicidal amount or a potentiating amount of a composition including a potentiating agent of a plant defense molecule, in association with a phytopharmaceutical vehicle.Type: GrantFiled: September 9, 2019Date of Patent: January 31, 2023Assignee: UNIVERSITE D'ANGERSInventors: Philippe Simoneau, Thomas Guillemette, Pascal Richomme, Jean-Jacques Helesbeux
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Publication number: 20230003652Abstract: A method for identifying a microorganism to be identified, which includes the following steps: obtaining an Excitation-Emission EEM of the microorganism to be identified, analysing the main components of the EEM matrix using at least one reference EEMr matrix, projecting the result of the analysis onto a plane defined by two main components, and identifying the microorganism to be identified.Type: ApplicationFiled: November 27, 2020Publication date: January 5, 2023Applicants: UNIVERSITE DU MANS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS -, UNIVERSITE D'ANGERS, CENTRE HOSPITALIER UNIVERSITAIRE D'ANGERSInventors: Jean-François BARDEAU, Jean-Philippe BOUCHARA
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Publication number: 20220273582Abstract: A continuous process for nano-emulsification that is performed by concentration phase inversion in a microfluidic reactor, including the following steps: (a) injection of an aqueous phase into a first microchannel, the first microchannel opening onto a formulation chamber, (b) injection, into a second microchannel, of a fatty phase including one or more fatty substances immiscible in the aqueous phase, and one or more surfactants, the second microchannel opening into the formulation chamber, then (c) mixing of the aqueous phase and the fatty phase in the formulation chamber, then (d) recovering, at the output of the formulation chamber, a suspension including lipid nanocapsules. Also, the lipid nanocapsules obtainable by the process, and the use of the lipid nanocapsules as nanovectors for pharmacologically active ingredients.Type: ApplicationFiled: July 24, 2020Publication date: September 1, 2022Applicants: UNIVERSITÉ D'ANGERS, INSERM (INSTITUT NATIONAL DE LA SANTÉ ET DE LA RECHERCHE MÉDICALE), CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Brice CALVIGNAC, Jean-Christophe GIMEL, Emilie ROGER, Nicolas ROLLEY, Guillaume LEFEBVRE, Guillaume BASTIAT, Florian FOUCHET, Kévin MATHA
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Publication number: 20220054424Abstract: The treatment of cancer using platinum-based compounds includes certain drawbacks such as biocompatibility, loading efficacy, leakage of drugs during storage and in the bloodstream, more particularly due to the nature of the nanocarriers for platinum delivery. A nanosystem that allows improving platinum-based drug in vivo performance, kinetics and efficacy. In particular, nanoparticles useful as drug delivery system, these nanoparticles being formed from at least: (a) platinum-based drug, (b) poly-L-arginine, and (c) hyaluronic acid. Particularly, these nanoparticles have been tested in terms of entrapment efficiency and also carried out in vitro experiments in 2D cell culture (viability studies on B6KPC3, A549 and HT-29 cells) and 3D cell model (spheroids made of HTC-116) and in vivo experiments (by injecting intravenously to mice the nanoparticles or comparative oxaliplatin solution) to prove their efficiency.Type: ApplicationFiled: September 16, 2019Publication date: February 24, 2022Applicants: INSERM (INSTITUT NATIONAL DE LA SANTÉ ET DE LA RECHERCHE MÉDICALE), CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS -, UNIVERSITE D'ANGERS, CENTRE HOSPITALIER UNIVERSITAIRE D'ANGERSInventors: Giovanna LOLLO, Jean-Pierre BENOIT, Marie BRACHET - BOTINEAU
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Patent number: 11096986Abstract: The present invention shows that the isolated NFL-TBS40-63 peptide is highly specific for neural stem cells. It is therefore presented here for use in a method for detecting these cells in vitro or in vivo, for addressing chemical compounds or biological materials to said cells, or for treating neurodegenerative disorders or brain tumours.Type: GrantFiled: June 23, 2015Date of Patent: August 24, 2021Assignees: Universite D'Angers, Institut National de la Sante et de la Recherche Medicale (INSERM)Inventors: Joel Eyer, Claire Lepinoux-Chambaud
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Patent number: 11087870Abstract: A system of tracing a dental prosthesis, the prosthesis including an electrical power source coupled with a radio-communications signals transmitter capable of assuming a weakly active state in which it periodically sends out signals at a first transmission frequency, and a highly active state in which it periodically sends out signals at a second, higher transmission frequency, and a presence sensor for sensing presence of the prosthesis in a mouth of a user, capable of delivering information on absence of the prosthesis in the mouth. The transmitter is configured to pass from the weakly active state to the highly active state when the sensor delivers information on absence of the prosthesis in the mouth. The system also includes a base forming a support of the dental prosthesis when not worn by a user, and the transmitter assumes the weakly active state on detecting the prosthesis in proximity to the base.Type: GrantFiled: July 7, 2017Date of Patent: August 10, 2021Assignees: UNIVERSITE D'ANGERS, CENTRE HOSPITALIER UNIVERSITAIRE D'ANGERSInventors: Annick Barthelaix, Jocelyn Rio, Antoine Spiesser
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Patent number: 11008374Abstract: The present relates to interleukin 15 (IL-15) antagonists and uses thereof, in particular for the treatment of autoimmune diseases and inflammatory diseases. In particular, the present invention relates to an IL-15 mutant polypeptide having the amino acid sequence as set forth in SEQ ID NO:1 wherein the leucine residue at position 45 is substituted by an aspartic acid residue, the asparagines residue at position 65 is substituted by a lysine residue and the leucine residue at position 69 is substituted by an arginine residue.Type: GrantFiled: December 12, 2018Date of Patent: May 18, 2021Assignees: INSERM (Institut National de la Santé et de la Recherche Médicale), Université de Nantes, Centre National de la Recherche Scientifique (CNRS), Université d'AngersInventors: Yannick Jacques, Erwan Mortier, Agnes Quemener, Ariane Plet
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Patent number: 10858306Abstract: The present invention concerns a method of synthesizing a iodo- or astatoarene comprising the reaction of a diaryliodonium compound with a iodide or astatide salt, respectively. The invention also relates to said iodo- or astatoarene and diaryliodonium compound as such. The invention also concerns a method of synthesizing a iodo- or astatolabelled biomolecule and/or vector using said iodo- or astatoarene.Type: GrantFiled: April 9, 2020Date of Patent: December 8, 2020Assignees: INSTITUT NATIONAL DE LA SANTÉ ET DE LA RECHERCHE MÉDICALE (INSERM), CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE NANTES, UNIVERSITE D'ANGERS, THE GOVERNMENT OF THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY, DEPARTMENT OF HEALTH AND HUMAN SERVICESInventors: François Guerard, Jean-François Gestin, Martin W. Brechbiel, Yong-Sok Lee
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Patent number: 10859577Abstract: The present invention is in the technical field of breast cancer management, and more particularly relates to the diagnosis and/or prognosing of triple-negative breast cancer (TNBC). The invention is more particularly based on the finding that specific biomarkers are abberantly expressed in patients suffering from a triple-negative breast cancer recurrence, and are highly related to the aggressiveness of this disease, and thus to survival of said patient.Type: GrantFiled: November 24, 2014Date of Patent: December 8, 2020Assignees: Institut de Cancerologie de L'Ouest, Universite D'Angers, Institut National de la Sante et de la Recherche Medicale (INSERM)Inventors: Catherine Guette, Mario Campone, Olivier Coqueret, Benjamin Barre
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Patent number: 10858452Abstract: The present invention relates to specific interleukin-15 (IL-15) antagonist polypeptides and uses thereof for the treatment of inflammatory and auto-immune diseases. In particular, the present invention relates to a specific interleukin-15 (IL-15) antagonist polypeptide comprising i) a IL15-Ralpha sushi-containing polypeptide comprising an amino acid sequence having at least 80% of identity with the amino acid sequence of SEQ ID NO:1 ii) a linker and iii) an IL-polypeptide comprising the amino acid sequence having at least at least 80% of identity with the amino acid sequence of SEQ ID NO:4 provided that the glutamine (Q) residue at position 108 is mutated.Type: GrantFiled: September 15, 2016Date of Patent: December 8, 2020Assignees: Insitut National de la Sante et de la Recherche Medicale (INSERM), Universite de Nantes, Universite d'Angers, Centre National de la Recherche Scientifique, Centre Hospitalier Universitaire de NantesInventors: Erwan Mortier, Dihia Meghnem, Sebastien Morisseau, Yannick Jacques