Patents Assigned to YEDITEPE ÜNIVERSITESI
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Patent number: 12329777Abstract: Use of nano-sized lead borate compounds for treatment purposes due to their selective anticancer activity on p53 mutant breast cancer cell line, T47D is disclosed. The method of synthesizing nano-sized lead borates of the present invention comprises the steps of preparing a borate buffer solution by sodium hydroxide and boric acid, dissolving lead nitrate (and preferably PEG) in distilled water by stirring, mixing the borate buffer solution with the lead nitrate (and preferably PEG) solution, washing the resulting solution with distilled water and drying to remove the impurities.Type: GrantFiled: November 8, 2018Date of Patent: June 17, 2025Assignee: YEDITEPE UNIVERSITESIInventors: Fikrettin Sahin, Pakize Neslihan Tasli, Oguz Kaan Kirbas, Taha Bartu Hayal, Batuhan Turhan Bozkurt, Berna Bulbul, Seda Beyaz
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Publication number: 20250179427Abstract: A culture medium and a method using the said medium for obtaining motor neuron cells from human pluripotent stem cell-derived neuromesodermal stem cells (NMSCs) are provided. Furthermore, the present invention relates to obtaining motor neuron cells which can be used in research and clinical applications thanks to the said culture medium and method.Type: ApplicationFiled: March 2, 2023Publication date: June 5, 2025Applicant: YEDITEPE UNIVERSITESIInventors: Fikrettin SAHIN, Aysegul DOGAN, Selinay SENKAL
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Patent number: 12129384Abstract: The present invention relates to a pectin based antimicrobial surface coating material. In the present invention, boron compounds are cross-linked with pectin and a surface coating material in the form of a film is obtained. The said coating material can be used in all packaging industry requiring hygiene particularly in food industry. The invention enables packages to be antifungal, anticandidal and antibacterial.Type: GrantFiled: December 7, 2022Date of Patent: October 29, 2024Assignee: YEDITEPE UNIVERSITESIInventors: Fikrettin Sahin, Zeynep Iyigundogdu, Okan Demir, Merve Gulerim, Sanem Argin
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Publication number: 20240246878Abstract: A bio-fertilizer and/or a bio-stimulant is provided, including at least one microbe selected from the group consisting of Pseudomonas monteilii (XE15) having NRRL Accession No. B-67997, Bacillus subtilis (XE18) having NRRL Accession No. B-67996, and Pseudomonas sp. (TR8) having NRRL Accession No. B-67998, and combinations thereof. The bio-fertilizer further includes a carrier and a beneficial supplemental microbe.Type: ApplicationFiled: September 21, 2021Publication date: July 25, 2024Applicant: YEDITEPE UNIVERSITESIInventors: Fikrettin SAHIN, Aissa BAKELLI, Meriam Bouri YILDIZ
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Publication number: 20240241134Abstract: Combinations of the novel biological markers that can be used in the diagnosis of endometriosis are provided. The objective of the invention is to detect biological markers that are expressed differently in eMSCs isolated from endometrial biopsy samples in the diagnosis of endometriosis compared to healthy eMSCs. A tissue transglutaminase is configured as a biomarker for a diagnosis of an endometriosis in isolated endometrial mesenchymal stem cells derived from an endometrial biopsy and/or a menstrual blood from endometriosis patients.Type: ApplicationFiled: May 20, 2022Publication date: July 18, 2024Applicant: YEDITEPE UNIVERSITESIInventors: Inci KURT CELEP, Dilek TELCI TEMELTAS, Fikrettin SAHIN, Melike BATUKAN, Halime SIGINC
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Publication number: 20240174884Abstract: The present invention relates to a pectin based antimicrobial surface coating material. In the present invention, boron compounds are cross-linked with pectin and a surface coating material in the form of a film is obtained. The said coating material can be used in all packaging industry requiring hygiene particularly in food industry. The invention enables packages to be antifungal, anticandidal and antibacterial.Type: ApplicationFiled: December 7, 2022Publication date: May 30, 2024Applicant: YEDITEPE UNIVERSITESIInventors: Fikrettin SAHIN, Zeynep IYIGUNDOGDU, Okan DEMIR, Merve GULERIM, Sanem ARGIN
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Patent number: 11953470Abstract: A funnel control device is fixed on a shear box or respective cells in various soil mechanics/dynamics testing devices, and the funnel control device enables to produce soil samples to be tested by discharging a soil through a funnel into a sample preparation mold at a given axis and rate. The funnel control device includes at least one supporting body for being placed on the soil mechanics/dynamics testing device, at least one holder, wherein the at least one holder is provided on the at least one supporting body to be movable in vertical axis and the funnel is placed on the at least one holder, at least one driving member, wherein the at least one driving member is located in or on the at least one supporting body and is used for moving the at least one holder in the vertical axis.Type: GrantFiled: May 10, 2019Date of Patent: April 9, 2024Assignee: YEDITEPE UNIVERSITESIInventors: Mehmet Murat Monkul, Senay Yenigun
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Publication number: 20240066091Abstract: A product including plant-derived nanovesicles which induce differentiation of the stem cell sources into cartilage and bone cells is provided. The objective of the invention is to improve the rate of differentiation into cartilage and bone cells, enhance strength of the obtained tissue and to provide a non-toxic application with lower cost by means of giving plant exosomes in addition to the differentiation media to the adipose-derived stem cells.Type: ApplicationFiled: December 27, 2021Publication date: February 29, 2024Applicant: YEDITEPE UNIVERSITESIInventors: Fikrettin SAHIN, Polen KOCAK, Merve YILDIRIM
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Patent number: 11911713Abstract: The present invention is an exosome isolation method for obtaining high purity exosomes inexpensively from samples of large and small amounts and types of samples from which exosomes could not be obtained before such as plant lysates. The exosome isolation method incorporates a two phase fluid extraction system, and includes the steps of isolation using dextran and PEG for removing proteins and undesired substances therein, and the steps of washing and dextran removal to collect exosomes in a pure form.Type: GrantFiled: February 15, 2019Date of Patent: February 27, 2024Assignee: YEDITEPE UNIVERSITESIInventors: Fikrettin Sahin, Pakize Neslihan Tasli, Oguz Kaan Kirbas, Batuhan Turhan Bozkurt
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Publication number: 20240050468Abstract: A formulation in gel form comprising erbium borate nanoparticles, at least one surfactant and at least one gelling agent with carrier gel properties for use in prevention and treatment of wound scars is provided.Type: ApplicationFiled: November 9, 2021Publication date: February 15, 2024Applicant: YEDITEPE UNIVERSITESIInventors: Fikrettin SAHIN, Erhan AYSAN, Pakize Neslihan TASLI, Oguz Kaan KIRBAS, Batuhan Turhan BOZKURT, Berna BULBUL
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Publication number: 20240000831Abstract: sodium borates are provided and alone as an active ingredient to prevent and/or treat fatty liver. In addition, the sodium borates reduce the expression levels of AADIPOR2, PRKAG2, IRS1, PIK3R1, NFKB1, MAP3K11, BID, CYCS, BAX, CASP3 and TGFB1 genes in the non-alcoholic fatty liver pathway and thereby to prevent and/or treat fatty liver by inhibiting the functioning of the non-alcoholic fatty liver pathway.Type: ApplicationFiled: November 25, 2020Publication date: January 4, 2024Applicant: YEDITEPE UNIVERSITESIInventors: Fikrettin SAHIN, Emre CEBECI, Huseyin ABDIK
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Publication number: 20230234926Abstract: 2-(3-(2-Methyl-6-(p-tolyl) pyridine-3-yl) ureido) benzenesulfonamide (formula I) compound and related pyridine based sulfonamide derivatives are disclosed. The compound of the invention is a carbonic anhydrase targeted small molecule and also an inhibitor of carbonic anhydrase activity and overexpression. Therefore, the compound is useful, as pharmaceutical agent, especially in the treatment and/or prevention of disorders associated with proliferative diseases, such as cancer.Type: ApplicationFiled: June 2, 2020Publication date: July 27, 2023Applicant: YEDITEPE UNIVERSITESIInventors: Fikrettin SAHIN, Eslam MOHAMMED, Meltem CELIK
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Publication number: 20230183642Abstract: A method of producing plant-derived exosomes from plant tissue culture based cell suspension cultures is provided. The method includes: obtaining the plant tissue culture based cell suspension culture; mixing the the plant tissue culture based cell suspension culture with an isolation solution; centrifuging to obtain a supernatant and an infranatant; and obtaining the plant-derived exosomes from the infranatant. The objective of the present invention is to produce homogenous plant exosomes with high volume and purity by making use of the advantages of the plant suspension culture to be used for purposes such as therapeutics and drug carriers.Type: ApplicationFiled: May 10, 2021Publication date: June 15, 2023Applicant: YEDITEPE UNIVERSITESIInventors: Fikrettin SAHIN, Bahar SOGUTMAZ OZDEMIR, Batuhan Turhan BOZKURT, Oguz Kaan KIRBAS, Pakize Neslihan TASLI, Umit Cem DERMAN
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Publication number: 20230172978Abstract: A use of extracellular vesicles obtained from macrophages infected with parasites as immunotherapeutic and prophylactic agents in the disease Leishmaniasis is disclosed. The objective of the invention is the use of a drug formulation, which exhibits almost complete activity on Leishmania parasites and infected cells within 72 hours, but does not have any show side effects on healthy cells, in the treatment and prophylaxis of Leishmaniasis.Type: ApplicationFiled: May 4, 2021Publication date: June 8, 2023Applicant: YEDITEPE UNIVERSITESIInventors: Fikrettin SAHIN, Zeynep ISLEK, Batuhan Turhan BOZKURT, Oguz Kaan KIRBAS, Mehmet Hikmet UCISIK
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Publication number: 20230159888Abstract: A medium-based method for inducing specific differentiation of dental stem cells into dopaminergic neurons is provided. The method includes seeding the dental stem cells at a concentration of 5000 cells/cm2, following 24-hour incubation, introducing the cells into first part neurogenic induction medium and continuing the medium application for 4 days; subsequently, introducing the cells into the second part neurogenic induction medium and continuing the medium application for 2 days; and terminating the differentiation at the end of 6 days. The objective of the present invention is to develop cellular applications for use in treatment of neurodegenerative diseases and medications related to the said diseases.Type: ApplicationFiled: May 4, 2021Publication date: May 25, 2023Applicant: YEDITEPE UNIVERSITESIInventors: Fikrettin SAHIN, Pakize Neslihan TASLI, Oguz Kaan KIRBAS, Ezgi AVSAR ABDIK, Huseyin ABDIK, Burcu KASAPOGLU USTA
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Patent number: 11638719Abstract: A product containing a boron compound for use in obesity treatment. By means of the present invention, a product can be obtained for obesity treatment which is not toxic to the other tissues and organs of the body. In obtaining the said product, sodium pentaborate pentahydrate, which is a poloxamer derivative, are used.Type: GrantFiled: March 7, 2018Date of Patent: May 2, 2023Assignee: YEDITEPE UNIVERSITESIInventors: Fikrettin Sahin, Nezaket Turkel Sesli, Aysu Yilmaz
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Patent number: 11602546Abstract: A composition inhibiting MEIS proteins. The MEIS proteins are effective in proliferation of hematopoietic stem cells. A formulation capable of easily passing through the cell membrane and perform its activity in the cell, and can inhibit MEIS activity in a dose dependent manner. The combination includes isolated cells, medium, growth factors and MEISi inhibitor. The isolated cells are isolated from mouse bone marrow, human bone marrow and human umbilical cord blood. The medium has a pH value of 7.2 and contains bovine serum albumin, recombinant insulin, transferrin, 2-mercaptoethanol and IMDM medium. The growth factors are hematopoietic stem cell factor SCF, fetus liver tyrosine kinase-3 ligand Flt3L, and thrombopoietin. A chemical formula of the MEISi-1 is 4-[2-(benzylamino)-2-oxoethoxy]-N-(2,3-dimethylphenyl) benzamide. A chemical formula of MEISi-2 is 4-hydroxy-N?-[(Z)-(2-oxonaphthalen-1-ylidene)methyl] benzohydrazide.Type: GrantFiled: September 25, 2017Date of Patent: March 14, 2023Assignee: YEDITEPE UNIVERSITESIInventors: Fatih Kocabas, Raife Dilek Turan
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Patent number: 11578229Abstract: The present invention relates to a gelatin or pectin based antimicrobial surface coating material. In the present invention, boron compounds are mixed with gelatin or pectin and a surface coating material in the form of a film is obtained. The said coating material can be used in all packaging industry requiring hygiene particularly in food industry. The invention enables packages to be antifungal, anticandidal and antibacterial.Type: GrantFiled: July 14, 2017Date of Patent: February 14, 2023Assignee: YEDITEPE UNIVERSITESIInventors: Fikrettin Sahin, Zeynep Iyigundogdu, Okan Demir, Merve Gulerim, Sanem Argin
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Patent number: 11510891Abstract: A production of a drug, wherein the drug is specific for SH-SY5Y neuroblastoma cancer by loading caffeic acid phenethyl ester (CAPE) to a plurality of microvesicles that a specialized skin cell leaves into a nutrient solution. The objective of the present invention is to provide a cell-specific targeted vesicle development by loading the CAPE to the plurality of microvesicles obtained as a result of culturing and subsequent specialization of a plurality of tissue cells; and to use the CAPE at lower concentrations compared to a state of the art applications to minimize a toxicity of the CAPE to both a plurality of cells other than a plurality of targeted cells and a body.Type: GrantFiled: December 17, 2018Date of Patent: November 29, 2022Assignee: YEDITEPE UNIVERSITESIInventors: Fikrettin Sahin, Pakize Neslihan Tasli, Oguz Kaan Kirbas, Ezgi Avsar Apdik, Huseyin Apdik
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Patent number: 11510943Abstract: The present invention relates to a chemotherapeutic agent comprising a combination of alexidine dihydrochloride and sodium pentaborate pentahydrate. The chemotherapeutic agent includes 2.9 mg alexidine dihydrochloride compound and 2.5 mg sodium pentaborate pentahydrate compound, and is obtained by adding 0.5 ml dimethylsulfoxide compound into the alexidine dihydrochloride compound. Upon injecting them to the media containing healthy cells and cancer cells, their effects on cell viability were observed. In accordance with the obtained results; it was observed that when alexidine dihydrochloride solution at concentrations not harming healthy cells is combined with sodium pentaborate pentahydrate, pancreatic cancer cell viability decreased 10% more compared to use of alexidine dihydrochloride alone, and it was realized that this combination can be used as a chemotherapeutic agent for treatment of pancreatic cancer.Type: GrantFiled: March 11, 2019Date of Patent: November 29, 2022Assignee: YEDITEPE UNIVERSITESIInventors: Fikrettin Sahin, Ezgi Kasikci, Esra Aydemir Coban