145 results about "Brain-derived neurotrophic factor" patented technology

This application provides for a method of increasing brain-derived neurotrophic factor (BDNF) serum level in a human subject comprising periodically administering to the subject an amount of laquinimod or pharmaceutically acceptable salt thereof effective to increase BDNF serum level in the human subject. The method can further comprise periodically administering to the subject an amount of a second BDNF-increasing agent. This application also provides for a method for treating a human subject suffering from a BDNF-related disease comprising periodically administering laquinimod or a pharmaceutically acceptable salt thereof in an amount effective to treat the human subject. This application additionally provides for use of laquinimod in the manufacture of a medicament for increasing BDNF serum level in a human subject. This application further provides for a pharmaceutical composition comprising an amount of laquinimod effective for use in increasing BDNF serum level in a human subject. This application also provides for a pharmaceutical preparation comprising an amount of laquinimod and an amount of a second BDNF-increasing agent effective for use in increasing BDNF serum level in a human subject.

The present invention relates to antisense oligonucleotides that modulate the expression of and/or function of Brain derived neurotrophic factor (BDNF), in particular, by targeting natural antisense polynucleotides of Brain derived neurotrophic factor (BDNF). The invention also relates to the identification of these antisense oligonucleotides and their use in treating diseases and disorders associated with the expression of BDNF.

The present invention provides a therapeutic agent for treatment of diabetes and hyperlipemia, especially a therapeutic agent for treatment of type II diabetes mellitus, which comprises as the active ingredient a neurotrophic factor such as BDNF (brain-derived neurotrophic factor), ligands of trkB or trkC receptors, NGF, NT-3, NT-4/5, CNTF, GDNF, HGF, etc. Different from conventional oral hypoglycemic agents being mainly used in the treatment of type II diabetes mellitus, the agent of the present invention exhibit blood lipid regulating effects and body fat accumulation regulating effects, in addition to the blood glucose regulating effects. Thus, the agent of the present invention are novel, and can reduce the risk factors in diabetes accompanied by hyperlipemia or obesity, without using any other agent.

The invention relates to bifidobacterium breve CCFM1025, a fermented food and application thereof. The bifidobacterium breve CCFM1025 can be used for improving the depression-like behavior of a depression mouse, improving 5-hydroxytryptamine in the brain of the depression mouse, improving the level of 5-hydroxytryptamine and a brain-derived neurotrophic factor, reducing the level of corticosteronein serum of the depression mouse, improving the level of 5-hydroxytryptamine in the serum of the depression mouse, improving intestinal flora disturbance of the depression mouse, reducing the abundance of intestinal veillonella, improving the abundance of bifidobacterium and mycoplasmataceae, improving alpha-diversity of intestinal flora and reducing occurrence of inflammatory bowel disease and obesity. By adopting the bifidobacterium breve CCFM1025, the mRNA level of tryptophan hydroxylase in a simulated entero-chromaffin cell can be improved, the secretion volume of 5-hydroxytryptophane ofthe cell can be improved, and a precursor substance is specifically provided to synthesis of 5-hydroxytryptamine in the brain. The bifidobacterium breve CCFM1025 has a wide application prospect.

This invention pertains to the discovery that brain-derived neurotrophic factor (BDNF) and its associated signaling pathway is involved in reversing and/or counteracting neuroadaptations within the mesolimbic system that contribute to the development and/or maintenance of addiction (e.g. alcohol addiction). This invention also pertains to the discovery that ibogaine activity is mediated by changes in mRNA expression of GDNF. Thus, in certain embodiments, this inventioni provides a method of mitigating one or more symptoms of substance abuse in a mammal by increasing the expression or activity of GDNF, BDNF, RACK1, and/or the dopamine D3 receptor (D3R) in said mammal.

An isolated human cell is disclosed comprising at least one mesenchymal stem cell phenotype and secreting brain-derived neurotrophic factor (BDNF), wherein a basal secretion of the BDNF is at least five times greater than a basal secretion of the BDNF in a mesenchymal stem cell. Methods of generating same and uses of same are also disclosed.

The invention discloses lactobacillus plantarum DP189 and application thereof, and relates to the field of functional food microorganisms. The strain is preserved in China Center for Type Culture Collection on March 25 , 2019 with the preservation number of CCTCC NO:M2019199. By means of the strain, the learning and memory capability of a depressed rat can be improved; the level of brain-derived neurotrophic factors of the depressed rat can be improved; the injury to hippocampal neurons and apoptosis of neuron cells of the depressed rat are reduced; the content of apoptosis proteins JUK2 and Bcl-2 of brain tissue of the depressed rat is lowered; the abundance of verrucomicrobiaceae of the intestinal tract is lowered; the abundance of bacterium lacticum of the intestinal tract is improved, the alpha-diversity of the intestinal floras is improved, and the intestinal flora disturbance of the depressed rat is alleviated. In this way, the lactobacillus plantarum DP189 has good effects of preventing and treating depression/anxiety, infantile autism and inflammatory enteritis. The strain has the anti-depression function, and can serve as a functional probiotic bacterium for preventingand treating the depression, infantile autism and inflammatory enteritis, and a new idea is provided for clinical intervention with and control over depression and other relevant mental diseases.

An application of a phthalide compound in preparing a medicament. The medicament is specially used for promoting a stem cell to secrete one of the following items: telomerase, a neurotrophic factor (brain-derived neurotrophic factor, BDNF), a stem cell chemotactic factor (stromal cell-derived factor-1, SDF1), a stem cell chemotactic factor receptor (CXC chemokine receptor 4, CXCR4), and an immunoregulatory factor; a kit comprising a phthalide compound and a stem cell is also provided.

There are provided compositions and methods for treatment of neurodegeneative diseases and CNS injury. The compositions a pharmaceutically acceptable carrier solution; and a plurality of biodegradable nanoparticles, wherein the nanoparticles comprise a targeting moiety that is able to bind selectively to the surface of a neural stem cell and wherein the nanoparticles further comprise factors such as leukaemia inhibitory factor (LIF); XAV939 and/or one or more of : brain-derived neurotrophic factor (BDNF) or an agonist thereof; epidermal growth factor (EGF) or an agonist thereof; glial cell-derived neurotrophic factor (GDNF) or an agonist thereof; retinoic acid and derivatives thereof; ciliary neurotrophic factor (CTNF) or an agonist thereof; and Wnt5A. The biodegradable nanoparticles may deliver via controlled time release.

Disclosed are peptides for augmenting the expression of BDNF (brain-derived neurotrophic factor) and a pharmaceutical composition for the prevention and treatment of Alzheimer's disease or Parkinson's disease, comprising the same. The peptides can induce the expression of BDNF in dopamine-reactive human cells, pass easily through the blood-brain barrier thanks to their low molecular weights and are almost free of cytotoxicity. Thus, they are useful in the prevention and treatment of neuropathies such as Alzheimer's disease or Parkinson's disease.

The invention discloses tissue preserving fluid. Each 50mL of the tissue preserving fluid is prepared from the following components: 50ml of DMEM (Dulbecco's Modified Eagle Medium)/F12, 90 to 110mu Lof bFGF (Basic Fibroblast Growth Factor), 240 to 260mu L of N2, 480 to 520mu L of B27, 40 to 60mu L of Y-27632, 400 to 500ng of BDNF (Brain Derived Neurotrophic Factor) and 400 to 500ng of NT3. By applying the tissue preserving fluid disclosed by the invention, the activity of fresh tumor cells can be kept for relatively long time, so that the efficiency of obtaining a PDX (Patient-Derived tumor Xenograft) model is improved. Compared with convectional preserving fluid, the PDX model utilizing the preserving fluid has the advantage that the tumor formation rate is greatly increased and the tumor utilization rate is greatly improved; the tumor formation and primary cell culture time is remarkably shortened. Moreover, the method disclosed by the invention can be used for enhancing the activity of a chordoma sample, so that the cost of a chordoma PDX model experiment is reduced; precision medical treatment can be carried out on tumors of more patients through the PDX model, so that the possibility of healing chordoma is improved.

The invention discloses a nerve repairing material and a preparation method thereof. The nerve repairing material comprises a combination of cell factors capable of promoting nerve growth, and a controlled-release carrier of the cell factors, wherein the carrier is mainly composed of fibrinogen, fibronectin, heparin, fibrin stabilizing factor, thrombin and calcium chloride, wherein the combination of the cell factors capable of promoting nerve growth is optimally at least two of nerve growth factor, brain-derived neurotrophic factor, basic fibroblast growth factor and vascular endothelial cell growth factor, and is embedded in the carrier. According to the nerve repairing material, the speed of releasing cell factors can be regulated according to the nerve repairing progress by utilizing 'intelligent release' of the controlled-release carrier, so that the functions of cell factors can be progressively played; furthermore, the nerve repairing can be further promoted by utilizing the synergy of the cell factors.

The invention provides an induction composition of human mesenchymal stem cells, an induction differentiation culture liquid and an in-vitro induction method and an application, and relates to the field of nerve cell regeneration. The induction composition includes a brain-derived neurotrophic factor, a nerve growth factor, an epidermal cell growth factor, a fibroblast growth factor, a N2 cell culture additive, a B27 cell culture additive, rhodioloside and astragalus polysaccharide. In the induction composition provided by the invention, rhodioloside, astragalus polysaccharide and cytokines are compounded, induced differentiation nerve cells have the advantages of high content, strong activity, short period and low cost, can solve the problem of low differentiation efficiency when human mesenchymal stem cells are induced in vitro, improve the survival status of the induced nerve cells, and have little toxic and side effects on cells. The induction composition can be used for inducing the human mesenchymal stem cells, is easy to operate, enhances the activity of the differentiated nerve cells and shortens the induction differentiation time.

The invention relates to the field of medicine, in particular to a polypeptide capable of simulating the brain-derived-neurotrophic-factor physiological function and reducing depressive symptoms. The sequence is SEQ ID NO:1, and the SEQ ID NO:1 is a bran-new sequence. The polypeptide has the advantages that the BDNF content of chronic inscrutable stress model rat brain tissue can be increased. The in-vivo pharmacological result shows that depressive symptoms of acute and chronic depression model animals can be improved through the polypeptide, and the polypeptide can serve as an effective candidate treating method for clinical depression.

A protocol for use of growth factors to stimulate neuronal cell growth and activity in trkB receptor containing cortical tissues, including the entorhinal and hippocampal cortices. The method introduces exogenous growth factor, such as BDNF, NT-4/5 and NT-3, into the EC. The method is useful in therapy of defective, diseased and damaged neurons in the mammalian brain, of particular usefulness for treatment of neurodegenerative conditions such as Alzheimer's disease or for normal aging.

The invention provides for the use of protein kinase activators or boosters of nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF) or other neurotrophic factors to treat head trauma. Specifically, the present invention provides methods of treating head trauma comprising the steps of identifying a subject having suffered a head trauma and administering to said subject an amount of a pharmaceutical composition comprising a protein kinase C(PKC) activator or 4-methylcatechol acetic acid (MCBA) and a pharmaceutically acceptable carrier effective to treat at least one symptom of head trauma.

The invention discloses a formula of cell factor and compound and action to regenerate nerve and diagnose the nerve system, which is fit for insuline, bovine serum albumin, putrescine, hydrocortisone, luteohormone, transferrin, sodium selenite, alkaline cellulose cell growing factor and epiderm growing factor.

The present invention relates to a neurotrophic factor secretagogue, in particular, to a BDNF (brain-derived neurotrophic factor) secretagogue, which comprises as an active ingredient an NO donor. The medicament of the present invention promotes the secretion of neurotrophic factors from mammalian central neural cells. Thus, the medicament of the present invention, i.e., NO donor, is possibly applicable to the treatment of diseases caused by neutrotrophic factors, for example, neurodegenerative diseases, and is expected to exhibit the efficacious effects thereon. Also, the present invention provides a novel medication for neurodegenerative diseases.