22 results about "MPTP" patented technology

The application relates to the medical technical field, in particular to application of neoline in treatment of Parkinson's disease. 19 The C 19 The type-II diterpene alkaloid neoline can significantly improve movement disorder in a MPTP-induced Parkinson's disease model mouse, the drug efficacy is equivalent to that of the positive drug madopar, the effective dose is much lower than that of the positive drug, the administration mode is oral administration, drug compliance and use convenience are good, and the neoline can be used for development of anti-Parkinson's disease drugs.

The invention belongs to the technical field of medicines, and discloses application of poliumoside to prevention and treatment of Parkinson's disease. Specifically, the invention discloses application of poliumoside as a compound shown in a formula (I) in the aspect of preventing and treating Parkinson's disease. Pharmacological experiments prove that after 14 days of administration of the poliumoside, the impairment of motor coordination function caused by MPTP-induced Parkinson's disease can be obviously improved, the reduction of the expression level of brain nigra tyrosine hydroxylase caused by MPTP is improved, and the result shows that the poliumoside has obvious pharmacological activity for preventing and treating Parkinson's disease. Therefore, poliumoside can be used for preparing the medicine for preventing and treating Parkinson's disease, and has high clinical application value and development prospect.

The application belongs to the technical field of biological medicine, and discloses application of a simulation polypeptide containing a fibrinogen RGD module in preparation of a medicine for preventing and / or treating Parkinson's disease. The sequence of the simulation polypeptide containing the fibrinogen RGD module is Gly-Arg-Gly-Asp-Ser-Pro-Lys-Asn-Pro-Ser-Cys. The applicant of the application finds that FG abnormally accumulates in the substantia nigra compacta of a PD mouse, and the FG excessively accumulated in the brain may promote abnormal aggregation of alpha-syn of dopaminergic neurons through mediation of an alpha v beta 3 integrin receptor. The simulation polypeptide provided by the application can effectively inhibit abnormal aggregation of alpha-syn of dopaminergic neurons caused by the abnormally accumulated FG in the brain and death of the dopaminergic neurons, improve the motor ability of the PD mouse modeled by MPTP, and provide a new target and thought for PD treatment.

The invention discloses an NDUFS2 gene heterozygous editing pig as well as a construction method and application thereof, and relates to the field of animal gene engineering and disease model construction. The eighth exon of the NDUFS2 gene of the pig is deleted or mutated, and presents an NDUFS2 heterozygous genotype; in the newborn period, the number of neurons of the middle cerebral cortical layer and the number of dopaminergic neurons are obviously reduced, the number of neurons of the adult cortical layer is continuously reduced along with mitochondrial swelling and crest fracture, and after MPTP treatment, the number of neurons of the adult cortical layer is disordered in motion trail, and the body tremor index is increased. The pig model not only can be used for revealing the action mechanism of the NDUFS2 defect in neurodegenerative diseases (such as Parkinson's disease), but also can be used as an important tool for screening new drugs, evaluating treatment means and researching mitochondrial diseases.

The application discloses a Parkinson's disease model animal, a method for establishing the Parkinson's disease model animal, and application of the Parkinson's disease model animal. In the Parkinson's disease model animal, a mouse Citrobacter rodentium (C.R) and / or a dopaminergic neurotoxin 1-methyl-4-phenyl-1,2,3.6-tetrahydropyridine (MPTP) is given to the animal. The phenotype of the Parkinson's disease model animal is stable, and the Parkinson's disease model animal can be used for researching the pathology of Parkinson's disease and screening and developing a therapeutic drug for Parkinson's disease caused by intestinal infection.

The invention discloses an application of Lumacaftor in the treatment of Parkinson's disease. The treatment effect of Lumacaftor on PD is verified through in-vitro cell experiments and in-vivo animal experiments respectively, and it is found that after Lumacaftor is used in a microglial cell-neuron co-culture PD cell model, apoptosis pathway related protein in neurons is remarkably reduced compared with a model group; after Lumacaftor treatment is performed on a PD mouse in an MPTP mouse PD model, dopaminergic neurons of the PD mouse are remarkably increased, and the motor function is improved. The application provides a new thought for effective treatment of PD, and the application prospect is wide.

The invention discloses application of C-176 in preparation of a medicine for treating Parkinson's disease, belongs to the technical field of medicines, and particularly relates to a medicine for treating Parkinson's disease, which comprises C-176 or a pharmaceutical salt thereof. As an STING inhibitor C-176 is adopted as a medicine for treating Parkinson's disease, 1-methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine (MPTP) is utilized to construct an animal model of Parkinson's disease, and animal experiments prove that the expression of STING protein in striatum of a mouse in the model is increased, and the expression of tyrosine hydroxylase (TH) is reduced at the same time. The C-176 can improve the expression level of TH in striatum of a Parkinson model mouse. A behavioral experiment result proves that the C-176 can improve the movement and movement coordination ability of a model mouse and relieve the anxiety behavior of the model mouse.

The invention discloses a class of euphorbia kanane type triterpenoids as well as a preparation method and application thereof. The euphorbia kanane type triterpenoids are extracted and separated from Chinese quassia tree, four of the euphorbia kanane type triterpenoids are new compounds, and the rest of the euphorbia kanane type triterpenoids are known compounds. The applicant finds that most of the compounds show remarkable anti-neuroinflammation activity through activity screening. In an MPTP-induced PD mouse in-vivo model, part of the compounds can significantly improve the impaired movement behavior of PD mice; in addition, MPTP-induced brain tissue inflammatory response can be effectively inhibited, and a protection effect on dopaminergic neurons is achieved.

The invention relates to the technical field of medicines, in particular to application of songorine in treatment of Parkinson's disease. The C20-type diterpenoid alkaloid songnin provided by the invention can obviously and continuously improve dyskinesia caused by dopaminergic neuron injury in MPTP-induced Parkinson's disease model mice, and the onset dose of songnin is obviously lower than that of clinically common positive medicine, namely medoxolane, so that the songnin shows a stronger drug effect and can be used for preparing drugs for treating Parkinson's disease. The compound can be developed into a novel efficient anti-Parkinson disease treatment medicine.

The invention discloses application of a miR-6809-5p inhibitor, and belongs to the technical field of biological medicine.The inventor finds that expression of miR-6809-5p in plasma of a PD patient is abnormally increased in the research of PD pathogenesis, and further cell experiments find that the expression of miR-6809-5p is abnormally increased in the plasma of the PD patient. By inhibiting the expression of the miR-6809-5p, the adverse effects of MPP + on cell viability, apoptosis, ROS, p-alpha-syn and TH protein can be effectively improved, and the miR-6809-5p has a remarkable treatment effect on PD. MPP + is an active metabolite of neurotoxin MPTP, can be selectively absorbed by dopaminergic neurons through dopamine transporter (DAT) protein to trigger degeneration death of the dopaminergic neurons, and is widely applied to construction of PD cell models to research pathogenesis of PD and drug evaluation. The miR-6809-5p inhibitor disclosed by the invention is used for preparing a medicine for treating the Parkinson's disease, and the nucleotide sequence of the miR-6809-5p inhibitor is as follows: UGAUCCUUUCUUUCCUUGCCA.

The present invention relates to compounds of formula (I): and related aspects. The compound is an mPTP inhibitor.

The application provides application of a hydroxy pentylbenzoic acid double ester compound L-NRB in treatment of Parkinson's disease. Animal model test proves that L-NRB can effectively improve the MPTP-induced Parkinson's disease mouse behavior index, increase the content of DA and its metabolites DOPAC and HVA in the brain, inhibit the loss of dopamine neurons in the substantia nigra and striatum, inhibit the expression of inflammatory factors and the activation of astrocytes and microglia in the substantia nigra; meanwhile, L-NRB can also inhibit the activity of MAO-B in the striatum. L-NRB has no toxic side effects in vivo and in vitro; has the advantages of high safety, small dosage, long-term stability and the like, and is suitable for further development for actual clinical treatment.

The invention relates to a construction method of a Parkinson-brain organ and application of the Parkinson-brain organ in Parkinson treatment drug screening. The invention discovers that the brain organ can be simply, conveniently and quickly induced to form a Parkinson-brain organ capable of being used for screening Parkinson treatment drugs by treating the brain organ with MPTP, and a basis is provided for quickly screening the Parkinson treatment drugs. According to the application, the obtained Parkinson-brain organ is applied to screening a proper therapeutic drug from reduced triterpenoids, a good effect of Schinensilactone M in treatment of Parkinson's disease is found, formation of alpha-synuclein oligomers is remarkably reduced, activation of microglial cells and release of related inflammatory factors are effectively inhibited, and the Schinensilactone M can be used for treating Parkinson's disease, so that the Schinensilactone M can be used for treating Parkinson's disease. A new compound selection with a novel structure and a unique action mechanism is provided for prevention and treatment of Parkinson's disease.

The invention relates to an application of bifidobacterium animalis subsp. Lactis BLa80 in preparation of a preparation for improving Parkinson's disease. The bifidobacterium animalis subsp. Lactis BLa80 is a strain of the bifidobacterium animalis subsp. Lactis BLa80 with the preservation number of CGMCC (China General Microbiological Culture Collection Center) No.22547, and the strain of the bifidobacterium animalis subsp. Lactis BLa80 is a strain of the bifidobacterium animalis subsp. Lactis BLa80 with the preservation number of CGMCC No.22547. The brand new application of the BLa80 strain of the animal bifidobacterium subsp. Lactis is developed, namely the BLa80 strain is used for improving the Parkinson's disease, specifically, the BLa80 strain can weaken the cytotoxicity of 6-OHDA induced SH-SY5Y cells, relieve weight loss of MPTP induced subacute Parkinson's disease model mice, relieve dyskinesia of the mice and improve the Parkinson's disease. According to the present invention, the mice are subjected to the mouse striatum activation, such that the dopaminergic neuron is protected, the dopamine content in the mouse striatum is increased, the intestinal inflammation is relieved, the ratio of the thick-wall mycophylum to the bacteroides in the mouse intestinal flora is increased, the intestinal beneficial flora abundance is improved, and the intestinal flora diversity is increased;

The present invention aims to provide a novel compound having a high mPTP-opening inhibitory activity and / or a useful therapeutic effect on various diseases. An aspect of the present invention relates to a mitochondrial permeability transition pore (mPTP)-opening inhibitor, a medicament or a pharmaceutical composition comprising a compound represented by formula (I), wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and R11 are the same as defined in the specification and the claims, a stereoisomer thereof, a prodrug thereof, or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof, as an active ingredient. Another aspect of the present invention relates to a compound represented by formula (Ia), wherein R1a, R2, R3, R4, R5, R6, R7, R8, R9, R10 and R11 are the same as defined in the specification and the claims, a stereoisomer thereof, a prodrug thereof, or a salt thereof, or a solvate thereof.

The invention discloses a near-infrared two-region fluorescent probe with copper ion responsiveness and a preparation method and application thereof, and belongs to the technical field of fluorescent probes, 2ClOH-OBDP dye and 2-picolinic acid are subjected to an esterification reaction to obtain the near-infrared two-region fluorescent probe with the copper ion responsiveness, the preparation method is simple, the operation is easy, and the cost is low. Nanoparticles formed by the copper ion responsive near-infrared two-region fluorescent probe can realize high-sensitivity detection of copper ions, can perform in-vivo imaging on an MPTP-induced Parkinson's disease model, and have important significance in development of early diagnosis markers of Parkinson's disease.

The application discloses use of rubidium chloride in preparation of a medicine for treating Parkinson syndrome. The rubidium chloride has a protective effect on MPTP-induced Parkinson syndrome in mice, and provides a theoretical basis for preventing and treating Parkinson syndrome.

The present invention relates to a mitochondrial permeability transition pore (mPTP)-targeting composition for treating hearing loss, and, more specifically, uses a compound, or a pharmaceutically / sitologically acceptable salt thereof, which targets the mitochondrial permeability transition pore (mPTP) to inhibit the activity or opening thereof, and thus can effectively prevent, alleviate, or treat hearing loss caused by mPTP opening.

The application discloses a kind of polypeptides for treating Parkinson's disease.In the application, it is first found that transient receptor potential M2 type (TRPM2) channel is more expressed in fragile DA neuron subgroup, and its expression amount is positively correlated with age in Parkinson's disease (PD) patient, and the mechanism of action is determined through rigorous experiment, i.e.TRPM2 channel is preferentially activated in ADE neuron through PARP-1 / PARG / ADPR axis, drives Mfn2 / Bcl-2 complex dependent mitochondrial superfusion, causes ADE neuron death.In addition, TRPM2 channel also drives MPTP treatment mouse SNc DA neuron susceptibility through Mfn2 / Bcl-2 mediation.Firstly, it is found that blocking PARP-1 / PARG / ADPR and Mfn2 / Bcl-2 mediated DA neuron death pathway can prevent the death of induced pluripotent stem cell (iPSC) derived DA neuron specific to spontaneous Parkinson's disease (SPD) patient.As susceptible SNc DA neuron loss is the main symptom of PD, therefore, PARP-1 / PARG / ADPR and Mfn2 / Bcl-2 pathway can become a new therapeutic target for PD.

This invention belongs to the field of pharmaceutical technology, specifically relating to the application of Shouhui Tongbian Capsules in the preparation of drugs for treating Parkinson's disease. Shouhui Tongbian Capsules can significantly improve the damage to dopamine neurons in the substantia nigra and striatum of Parkinson's disease mice with depression induced by MPTP and CUMS, and inhibit the activation of microglia and astrocytes; it not only alleviates the motor symptoms of Parkinson's disease mice, but also significantly improves the non-motor symptoms of Parkinson's disease mice, including mental disorders, and has a significant therapeutic effect on depression caused by Parkinson's disease.

The present application relates to the biomedical technology field, and more particularly to a kind of nano drug preparation and its preparation method and application.The nano drug preparation includes rosmarinic acid and nilotinib, and the mass ratio of rosmarinic acid and nilotinib is 1:0.1-2.The present application provides a kind of composition of rosmarinic acid and nilotinib, which can synergistically activate autophagy, has the effect of neuroprotection and antioxidant stress.The drug loaded with rosmarinic acid and nilotinib provided by the present application can effectively protect dopaminergic neurons in substantia nigra, and then improve the motor symptoms of MPTP-induced PD mice, and provide a prospective scheme for PD targeted therapy.