115 results about "Cerebral trauma" patented technology

Disclosed are NgR proteins and biologically active Nogo (ligand) protein fragments. Also disclosed are compositions and methods for modulating the expression or activity of the Nogo and NgR protein. Also disclosed are peptides which block Nogo-mediated inhibition of axonal extension. The compositions and methods of the invention are useful in the treatment of cranial or cerebral trauma, spinal cord injury, stroke or a demyelinating disease.

The systems and methods described herein include a non-invasive diagnostic tool for intracranial hypertension (IH) detection and other neurological conditions like mild and moderate TBI that utilizes the transcranial Doppler (TCD) measurement of cerebral blood flow velocity (CBFV) in one or more cerebral vessels. A headset includes a TCD scanner which automatically locates various cerebral arteries and exerts an appropriate pressure on the head to acquire good CBFV signals.

The invention discloses tissue-engineered neural tissues and a construction method thereof, belonging to the technical field of tissue engineering and regeneration medicine. Subcultured and purified neural stem cells serve as seed cells of the tissue-engineered neural tissues, a liquid type I collagen and Matrigel matrix serves as stent materials, and the seed cells and the stent materials are cultured after being compounded in vitro. A stent system adopted in the invention can be used for effectively maintaining the survival and proliferation of the neural stem cells, promoting the differentiation of the neural stem cells, and forming engineered neural tissues consisting of mature neurons, astrocytes and oligodendrocytes. The tissue-engineered neural tissues have an important significance in treating neural system injury through the transplantation of the tissue-engineered neural tissues, and can also serve as an in-vitro model for the psychological research of neurodevelopment, cerebral trauma and neuroelectricity.

Disclosed herein is the treatment of vision loss in a mammal by transplanting an effective amount of hNT-Neuron cells. The treatment can be accomplished by injecting the cells into the retinal area of the eye. Additionally, the cells can be injected into the visual cortex of the brain. Conditions to be treated are vision loss due to optic nerve damage, including glaucoma, optic nerve sheath meningioma and glioma, Graves' ophthalmopathy, benign or malignant orbital tumors, metastatic lesions, tumors arising from the adjacent paranasal sinuses or middle cranial fossa, giant pituitary adenomas, brain tumors or abscesses, cerebral trauma or hemorrhage, meningitis, arachnoidal adhesions, pseudotumor cerebri, cavernous sinus thrombosis, dural sinus thrombosis, encephalitis, space-occupying brain lesions, severe hypertensive disease or pulmonary emphysema.

The invention belongs to an oral Chinese herbal preparation for treating post-traumatic brain syndrome, and the oral Chinese herbal preparation is a human medicinal product. The preparation is prepared from the following Chinese herbs in parts by weight: 10+/-2 parts of Astragalus mongholicus, 10+/-2 parts of American ginseng, 10+/-2 parts of Angelica sinensis, 10+/-2 parts of medlar, 10+/-2 parts of the root of red-rooted salvia, 10+/-2 parts of ligusticum wallichii, 10+/-2 parts of root of common peony, 10+/-2 parts of peach kernel, 10+/-2 parts of Poria cocos, 10+/-2 parts of pericarpium citri reticulatae, 10+/-2 parts of plantain seed, 10+/-2 parts of tabasheer, 10+/-2 parts of rhizoma acori graminei, 10+/-2 parts of gastrodia elata, 10+/-2 parts of uncaria, 10+/-2 parts of spina date seed, 10+/-2 parts of amber powder and 6+/-1.2 parts of honey-fried licorice root. Clinical effect observation proves that the total effective rate of the oral Chinese herbal preparation to the oral traditional Chinese medicine preparation is 94.07%, and has better treatment effect (P<0.01) compared with Western medicines such as Rotundine, piracetam, oryzanol and nimodipine for treating post-traumatic brain syndrome. Moreover, the Chinese herbal preparation has no obvious toxic or side effect, and can be taken for a long time. The dose of the preparation is small, and effective medicinal components are easy to release, can be absorbed quickly and can fully play the pharmaceutical effect. The preparation is convenient to carry, easy to take and beneficial to large-scale production.

This invention relates to the medicinal composition for prevention and cure of intracranial hypertension, which contains piracetam (1-acetamido-2ketone-pyrrolidine) and the carrier tolerable to pharmaceutics. It can further contain osmotic diuretic such as mannitol,etc.; or anti-tissue exuedative medicine such as esculin sodium; or the medicine such as nitroglycerin, sodium nitroprusside, etc. used for resulting in controllable hypotension.

The present invention discloses achyranthes bidentata polypeptide, a production method and applications, and the achyranthes bidentata polypeptide is produced with the steps including polypeptide extraction, polypeptide separation, etc. The achyranthes bidentata polypeptide is used to the preparation of drugs and health products for treating peripheral nerve injuries, cerebrovascular accidents, ischemic brain injuries, cerebral traumas, optic nerve injuries, spinal cord injuries and central nervous system injuries, antiaging and preventing neurodegenerative diseases. Experiments prove that the extracted achyranthes bidentata polypeptide (protein) of the present invention has the effects of promoting the growth of nerves, preventing the fading of nerve cells and promoting the regeneration of injured nerves, the source of medicinal materials is single, the preparation method is advanced, the technique is reasonable, the ingredients of preparations are definite, safety is high, and pharmacological action is obvious.

The invention discloses a drug for treating depression. The drug is prepared by evenly mixing 0.3-99.7 parts by weight of industrial hemp seed extract and 99.7-0.3 parts by weight of industrial cannabinoid. It is proved through experiments that the drug can significantly shorten the tail suspension immobilization time of mice of a behavioral despair depression model and significantly shorten immobility time of forced swimming, has an obvious anti-depressant effect on a mouse depression model caused by reserpine and can significantly increase the frequency of spontaneous activities of the mice, and the effects are all superior to those of cannabidiol. The drug can be used for preparing drugs for treating various depression symptoms including endogenous depression, reactive depression, masked depression, secondary depression caused by drugs, climacteric or postnatal depression, depression caused by cerebral trauma or cerebral apoplexy, diabetes combined depression and depressive neurosis and used for preparing drugs for treating symptoms such as secondary learning memory decline and anhedonia caused by depression.

The invention relates to an application of gastrodiaelata blume parishin extractive in preparation of a medicament for protecting brain, wherein the medicament is used for treatment of brain injury. Total content of a parishin derivative in the gastrodiaelata blume parishin extractive is more than 50%, preferably more than 75%, more preferably more than 95%. The parishin provides a certain protection effects for cerebral ischemia reperfusion injury, nerve cell injury induced by N-methyl-D-aspartate and closed cerebral trauma. The extractive provided in the invention provides a new selection approach for developing the medicament for protecting brain.

The invention relates to a medicinal composition, in particular to a composition comprising 4-hydroxyl-2-oxo-1-pyrrolidine acetamine and 2-borneol, and application of the composition in medicines for preventing and/or treating cognition impairment. The composition provided by the invention can remarkably improve a cerebral trauma neural function of a rat and can remarkably prolong the time of passive activities. The composition provided by the invention plays a role in improving dysmnesia of the rat, caused by scopolamine, and can remarkably improve cognitive disorder of the rat, caused by cerebral ischemia. The composition has a remarkable effect in preventing and/or treating cognition impairment.

The invention relates to lyophilized powder for injection with dantrolene sodium as an active ingredient and a preparation method and uses thereof. The lyophilized powder is a pharmaceutical composition formed by mixing dantrolene sodium as the active ingredient and pharmaceutically-acceptable adjuvant, and is mainly suitable for spastic hypermyotonia state caused by upper motor neuron damage due to various reasons, such as apoplexy, cerebral trauma, spinal injury and multiple sclerosis. A lyophilized powder for intravenous injection can be prepared by using dantrolene sodium as a raw material and adding certain types and proportion of adjuvants according to the technical proposal given in the invention.

The invention discloses application of all-cannabinoid in preparation of drugs for treating depression. The all-cannabinoid is prepared by uniformly mixing, by weight, 0.3-99.7 parts of an industrial hemp seed extract with 99.7-0.3 parts of industrial cannabinoids. The all-cannabinoid has the obvious relieving effect on the symptoms such as secondary learning memory deterioration of the depression and can be used for preparing the drugs for treating various depression symptoms including endogenous depression, reactive depression, latent depression, secondary depression caused by drugs, climacteric or postnatal depression, depression induced by cerebral trauma or stroke, diabetes-complicated depression and depressive neurosis and used for preparing the drugs for treating the symptoms such as secondary learning memory deterioration and anhedonia which are caused by the depression, and the effect of the all-cannabinoid is better than that of cannabidiol. The all-cannabinoid can be prepared into the clinical drugs of various dosage forms through a conventional preparation method and is convenient to use.

The invention discloses a zebra fish brain trauma model and a preparation method and application thereof. The preparation method of the zebra fish brain trauma model includes the steps that for an embryo in the 3dpf period, a needle is used for puncturing the hindbrain of a zebra fish, and microglial cells of the hindbrain of the zebra fish are labeled with fluorescent protein. After clinical first-line anti-inflammatory drugs are used for intervention, and more microglial cells can be activated to migrate and aggregate towards a wound part, so that injured hindbrain repairing is promoted; themicroglial-cell transgenic zebra fish brain trauma model can be used for rapid screening of drugs, so that an economical, convenient and reliable research model is provided for enterprise drug research and development and for evaluating the curative effect of the anti-inflammatory drugs in clinical brain trauma, encephalitis and other diseases, and the microglial-cell transgenic zebra fish braintrauma model has good application prospects and high application value.

The invention provides the application of nanogold in preparation of a reagent for measuring blood-brain barrier permeability. The nanogold is formed by the following nanogold particles with the particle sizes by weight percent: 1 part of nanogold particles with the particle size range of 9-15nm and the average particle size of 11+/-0.5nm, 1 part of nanogold particles with the particle size range of 18-31nm and the average particle size of 27.5+/-0.5nm, 1 part of nanogold particles with the particle size range of 41-63nm and the average particle size of 48.5+/-0.5nm, 1 part of nanogold particles with the particle size range of 50-76nm and the average particle size of 68+/-0.5nm, 1 part of nanogold particles with the particle size range of 93-114nm and the average particle size of 104+/-0.5nm, 1 part of nanogold particles with the particle size range of 134-156nm and the average particle size of 145.5+/-0.5nm and 1 part of nanogold particles with the particle size range of 151-176nm and the average particle size of 166+/-0.5nm. According to the application, the quantitative measurement for the blood-brain barrier permeability of animals with cerebral trauma can be completed by the nanogold particles with different particle sizes; the number of nanogold permeating into the blood-brain barrier can be measured, and the largest pore of the opening of the blood-brain barrier can be estimated according to the particle sizes of the nanogold permeating into the blood-brain barrier; therefore, a quantitative measurement standard is provided for various blood-brain barrier damage models in animal experiments.

The invention discloses a novel pyridine methylamino phthalide compound (I) and pharmaceutically acceptable salts, a preparation method and a pharmaceutical composition thereof and application thereofin preparation of medicines for treating and/or preventing nervous system related diseases. The diseases include but are not limited to vascular dementia, Alzheimer's disease, Parkinson's disease, Huntington's disease, HIV related dementia, multiple sclerosis, amyotrophic lateral sclerosis, neuropathic pain, glaucoma, cerebral arterial thrombosis, cerebral hemorrhagic stroke, nerve injury causedby cerebral trauma and the like.

The invention discloses a class of novel salicylamide compounds (I) and a pharmaceutically acceptable salt thereof, a preparation method and a pharmaceutical composition thereof, and applications of the novel salicylamide compounds (I) and the pharmaceutically acceptable salt thereof in preparation of drugs for treating and/or preventing nervous system related diseases, wherein the diseases include but are not limited to vascular dementia, Alzheimer's disease, Parkinson's disease, Huntington's disease, HIV related dementia, multiple sclerosis, amyotrophic lateral sclerosis, neuropathic pain, glaucoma, cerebral arterial thrombosis, cerebral hemorrhagic stroke, nerve injury caused by cerebral trauma and the like.

The invention discloses an application of emodin as an active ingredient in the preparation of drugs for treating depression, wherein The emodin is used as an active ingredient to prepare drugs for treating the depression. The invention provides an application of the emodin as an active ingredient in the production of drugs for preventing and treating the depression. Emodin has the characteristic of low toxicity and is used for preparing drugs for preventing or treating various kinds of depression symptoms comprising endogenous depression, reactive depression, secretiveness depression, drug induced secondary depression, climacteric or postpartum depression, cerebral trauma or cerebral apoplexy induced depression and depressive neurosis, and can also be applied to drugs for treating diabetes accompanied by depression and related diseases.

The invention relates to application of insulin-like growth factor binding protein 2 in preparation of a medicine for treating mental disorder caused by brain trauma. The IGFBP2 intervention can significantly improve anxiety and depression behaviors caused by brain trauma and cognitive function decline behaviors caused by brain trauma.

The invention provides an early warning method for a craniocerebral trauma specialized disease. The early warning method comprises the following steps: step 1, acquiring the consciousness level and various physiological index score values of a patient; step 2, obtaining a total score of each current index of the patient according to each score in the step 1; and step 3, outputting an early warning monitoring scheme corresponding to the total score of each current index of the patient according to the total score of each current index of the patient so as to remind the medical staff to monitor the patient according to the early warning monitoring scheme; the defect that medical staff can not achieve the purpose of early warning and judging the illness state of a patient by judging the illness state of the patient by themselves is overcome.

The invention discloses a Chinese medicinal composition for treating hemorrhagic brain contusion and laceration, which is prepared from ten Chinese medicinal herbs including peach kernels, safflower, Ligusticum wallichii, Chinese angelica root, dried rehmannia root, poria cocos wolf. The composition can be prepared into any of the pharmacologically acceptable dosage forms.

The invention discloses a preparation method for TAT-NEP1-40 fusion protein and application in treating the injuries of a central nervous system, CNS. The TAT-NEP1-40 fusion protein is characterized in that the TAT-NEP1-40 fusion protein comprises the protein transduction domain (PTD) of a transactivating transduction protein TAT of the human immunodeficiency virus (HIV) and Nogo extracellular peptide residues 1-40, NEP1-40. The fusion protein retains the selective antagonistic activity of the NEP1-40 to a Nogo receptor, NgR, and has the advantages of high transduction efficiency and easy penetration of BBB and BCSB, thereby overcoming the limitation of the NEP1-40, avoiding the extra injuries on nervous tissues caused by the mode of injecting the NEP1-40 through microinjection or miniature pump implantation, and overcoming the problem that the NEP1-40 can hardly pass BBB and BCSB to reach corresponding biological concentration. The fusion protein can be prepared in a large quantity, has a low cost and high activity, and can be used for treating a plurality of CNS injuries including cerebral ischemia, cerebral anoxia, cerebral hemorrhage, cerebral trauma, spinal core injury, and the like, and promoting the regeneration and functional rehabilitation of nervous tissues.

The invention discloses a 3-hydroxy chalcone Mannich base compound (I), medically acceptable salts of the 3-hydroxy chalcone Mannich base compound, a preparation method of the 3-hydroxy chalcone Mannich base compound, a drug combination of the 3-hydroxy chalcone Mannich base compound and application of the 3-hydroxy chalcone Mannich base compound to preparing drugs for treating and/or preventing nervous system-related diseases including but not limited to vascular dementia, Alzheimer's disease, Parkinson's disease, Huntington's disease, HIV-related (human immunodeficiency virus-related) disease, multiple sclerosis , amyotrophic lateral sclerosis, neuropathic pain, glaucoma, cerebral arterial thrombosis and nerve injuries caused by cerebral trauma.