49 results about "Pheochromocytoma" patented technology

The objective of the present invention is to provide a pharmaceutical composition and a therapeutic method that are specifically effective against at least one disease selected from multiple endocrine neoplasia, type IIA, multiple endocrine neoplasia, type IIB, familial medullary thyroid carcinoma, thyroid carcinoma, papillary thyroid carcinoma, sporadic medullary thyroid carcinoma, Hirschsprung disease, pheochromocytoma, parathyroid hyperplasia and mucosal neuromas of the gastrointestinal tract.

4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7-methoxy-6-quinolinecarboxamide and analogs thereof are specifically effective against at least one disease selected from multiple endocrine neoplasia, type IIA, multiple endocrine neoplasia, type IIB, familial medullary thyroid carcinoma, thyroid carcinoma, papillary thyroid carcinoma, sporadic medullary thyroid carcinoma, Hirschsprung disease, pheochromocytoma, parathyroid hyperplasia and mucosal neuromas of the gastrointestinal tract.

The invention relates to synthesis of benzimidazole-containing naphthalimide derivatives and applications of the benzimidazole-containing naphthalimide derivatives on cancer resistance, and belongs to the field of organic synthesis and pharmaceutical chemistry technology. The benzimidazole-containing naphthalimide derivatives are obtained through a method that a benzimidazole group is introduced into a fourth position of a naphthalene ring of naphthalimide. Experiments of proliferation inhibiting effects of the benzimidazole-containing naphthalimide derivatives on cancer cells adopt a microculture tetrozolium (MTT) reduction method and aim at MCF-7 human breast cancer cells, Hela human cervical cancer cells and PC12 rat adrenal medullary pheochromocytoma differentiated cells. Results of the experiments show that the benzimidazole-containing naphthalimide derivatives have the advantages of good inhibitory activity against cancer cells and good selectivity on cancer cells.

The invention discloses application of artemisinin and derivatives thereof in preparing medicaments for preventing and treating neurological diseases. In the application, the nerve cell line of rat adrenal pheochromocytoma PC12, retinal nerve cell line RGC-5 and primary cortical neuron are on behalf of experiment objects, sodium nitroprusside and hydrogen peroxide are used to simulate and induce oxidative stress, cell apoptosis and other cell injuries of nerve cells. Researches discover that the artemisinin has a protective effect on sodium nitroprusside and hydrogen peroxide induced cell injury, the protective effect mechanism of the artemisinin and derivatives thereof is primarily discussed, and results indicate that the artemisinin and derivatives thereof can be used as nerve protection medicaments for preventing and treating various neurological diseases, such as various neurodegenerative diseases, acute and chronic neurodegenerative diseases, neurological eye disease and the those neurological diseases mainly related to oxidative stress injuries and cell apoptosis. The application brings a new direction to treatment and prevention of neurological diseases.

The invention provides a preparation method of a brain-soothing hypertension pill. The brain-soothing hypertension pill is prepared by using 100g of baical skullcap roots, 60g of common selfheal fruit-spike, 60g of sophora flower bud, 60g of forged lodestone, 60g of twotooth achyranthes roots, 100g of Chinese angelica, 40g of rehmannia, 40g of danshen roots, 20g of sanguisuga, 60g of uncaria rhynchophylla, 100g of semen cassia, 20g of lumbricus and 40g of nacre as bulk drugs and adopting supercritical extraction and microwave-assisted extraction modes. By adopting the method, the content of baicalin is greatly improved; and the invention also provides application of the brain-soothing hypertension pill in preparation of drugs for inhibiting cell proliferation of rat adrenal pheochromocytoma PC-12.

The invention discloses a novel iridoids compound with a structure shown in formula I and a neuroprotective effect thereof, a preparation method of the compound I and an application of a pharmaceutically acceptable salt of the compound in the preparing of medicines for treating and preventing central nervous system diseases, and an application of the compound or the pharmaceutically acceptable salt thereof in the preparing of medicines with nerve cell protection effects. The cell survival rate of a 18mg/L group of the compound with the structure shown in formula I is obviously higher than a glutamic acid group (P(0.01)), so that the compound with the structure shown in formula I has an obvious protection effect on PC12 (pheochromocytoma-12) cells damaged by glutamic acid and can be used for preventing and treating central nervous system diseases such as cerebral infarction, Alzheimer disease, Parkinson disease, anxiety disorder and the like.

The present invention discloses a phentolamine mesylate freeze-dried powder preparation and its preparation method. Said preparation contains the phentolamine mesylate as active component and pharmaceutically-acceptable carrier. Said preparation can be used for curing pheochromocytoma and preoperative preparation.

The method relates to novel application of PAK3 as a biological marker of a neuroendocrine tumor. Through protein expression level detection of PAK3 on thymic carcinoid, pheochromocytoma, parathyroid adenoma, pituitary tumor, adrenal adenoma, cell strains of islet cell tumor, cell strains of small cell lung cancer and other neuroendocrine tumor tissues and cells, the PAK3 highly expresses and covers neuroendocrine tumors common in clinics and relates to each tissue and gland of body; the novel application initially finds that the PAK3 is relevant to tumors, in particular to the neuroendocrine tumor; the novel application discloses that the PAK3 can obviously increase the transferring capacity of the cell and shows that the PAK3 plays an important role in the developing process of the neuroendocrine tumor; and the result shows that the PAK3 can be used as the biological marker of the neuroendocrine tumor.

The invention discloses a reagent for detecting whether gene mutation of mitochondrial succinate dehydrogenase (SDH) exists in samples and a kit containing the reagent. The reagent or the kit can be used for susceptibility analysis of pheochromocytoma. The invention also discloses an optimized method by which SDH gene amplification products are obtained and a method for determining whether gene mutation of SDH exists in the nucleic acid samples to be tested.

The invention provides an extracting method of a plant composite containing gastrodia elata. The plant composite is prepared from the raw material herbs of 100 g of gastrodia elata, 60 g of pteris biaurita, 50 g of ageratum conyzoides and 150 g of lysimachia fortunei maxim. The plant composite is prepared by the adoption of the microwave extracting method, in this way, the content is greatly increased, and the usage amount is reduced. The invention further provides an application of the plant composite containing the gastrodia elata in preparation of medicine for restraining rat adrenal medulla pheochromocytoma PC12 cell proliferation.

The invention discloses a chromogranin A detection reagent. The chromogranin A detection reagent comprises an immune complex and an antibody detection system, wherein the immune complex is formed by compounding a marked first specific antibody, a marked second specific antibody, a chromogranin A calibration product, a chromogranin A quality control product and a sample to be detected; the first specific antibody and the second specific antibody are formed by carrying out epitope specific binding on antibodies and amino acid sites in a human chromogranin A amino acid sequence; the amino acid sites comprise: 1st to 113rd sites, 131st to 143rd sites, 337th to 364th sites and 373rd to 439th sites; the detection reagent can be used for quantitatively detecting the concentration of chromograninA in human blood plasma and is clinically mainly used for auxiliary diagnosis and differential diagnosis on pheochromocytoma and neuroendocrine neoplasm; the reference interval of the invention has ahigh conformity degree with clinical diagnosis, and the accuracy of the auxiliary diagnosis is improved; a detection method developed by a full-automatic magnetic bead chemiluminescence platform is further utilized by the invention and the detection period is shortened.

The invention belongs to the technical field of medicines, and discloses an application of needle-leaved polyprenol in preparing medicines for preventing and treating Alzheimer disease. The needle-leaved polyprenol is obtained from needle leaves of pinaceae plants such as pinus, picea, larch, fir and cedar and the like by extraction, separation and purification. The needle-leaved polyprenol is long-chain polyterpene compound formed by 14-24 isopentene group units. Cell and animal experimental results indicates that the needle-leaved polyprenol has functions of preventing and treating the Alzheimer disease, i.e., the needle-leaved polyprenol has a protection function for damage of pheochromocytoma (PC) 12 nerve cells caused by amyloid-beta protein, and can improve the passive avoidance memory capability and space learning memory capability of demented mice. Therefore, the needle-leaved polyprenol can be used for preparing the medicines for preventing and treating the Alzheimer disease.

The invention belongs to the technical field of medicines and biology, and particularly relates to an extraction method and application of gastrodia elata oligosaccharide GEP-2. The invention provides an extraction method of gastrodia elata oligosaccharide GEP-2. The gastrodia elata oligosaccharide GEP-2 provided by the invention has a similar net-shaped structure for preparing a dissolution assisting platform, and the dissolution state of an extract can be remarkably improved. Meanwhile, the gastrodia elata oligosaccharide GEP-2 also has excellent activity similar to nerve growth factors (NGF), and can induce nerve cell differentiation and promote pheochromocytoma (PC12) differentiation. Tests prove that the gastrodia elata oligosaccharide GEP-2 provided by the invention can effectively improve the differentiation rate of nerve cells.

The invention relates to a Cannabis-based pharmaceutical composition for the treatment of hypertensive disorders by submucosal delivery comprising a pharmaceutically acceptable base and an effective amount of at least one cannabinoid or endocannabinoid containing extract of a cloned hybrid of the plant Cannabis sativa, subspecies sativa and Cannabis sativa, subspecies indica of the CTSX-ISS lineage; and methods of treatment of primary and secondary hypertension, the secondary hypertension resulting from pheochromocytoma, primary hyperaldosteronism, adrenal hyperplasia, pulmonary hypertension, portal hypertension, folate deficiency hypertension, arterial hypertension or familial hypertension by administration between one and eight times per day.

The invention provides a catecholamine specific response type iron-doped carbon nanodot as well as a preparation method and application thereof, and solves the technical problems that the existing carbon nanodot is limited by an external light source when being used for treating tumors, pheochromocytoma and the like are difficult to locate and diagnose, the tumor is difficult to treat timely and effectively due to easy metastasis, and the tumor which is easy to relapse after operation cannot have a good positioning, diagnosis and treatment effect. The carbon nanodot contains ferrous ions and is prepared from the following components in parts by weight: 20-200 parts of a carbon source, 20-200 parts of an iron source, 20-200 parts of a nitrogen source, 20-200 parts of sodium acetate, 20-200 parts of a passivating agent and 40-160 parts of a solvent.

The invention provides noon tea granules. The noon tea granules are prepared through the steps that 50 g of rhizoma atractylodis, 50 g of radix bupleuri, 50 g of notopterygium roots, 50 g of radix saposhnikoviae, 50 g of radix angelicae, 50 g of rhizoma chuanxiong, 50 g of herba pogostemonis, 50 g of radix peucedani, 50 g of fructus forsythiae, 50 g of pericarpium citri reticulatae, 50 g of fructus crataegi, 50 g of fructus aurantii immaturus, 75 g of roasted malt, 50 g of licorice roots, 75 g of radix platycodonis, 50 g of stir-fried medicated leaven, 75 g of folium perillae, 75 g of cortex magnoliae officinalis and 1,600 g of black tea are taken, water extraction and alcohol precipitation are conducted to obtain a concentrated solution, supercritical extraction is conducted to obtain a supercritical extract, and the noon tea granules are prepared through a conventional method. The prepared noon tea granules are high in platycodin D content, and application of the noon tea granules in preparation of drugs for inhibiting rat adrenal pheochromocytoma PC-12 cell proliferation is found.

The invention provides a primer group for detecting pathogenic gene mutation of pheochromocytoma and paraganglioma and an application method of the primer group. The primer group comprises at least one primer pair of twenty primer pairs from SEQ ID NO.1 to SEQ ID NO.40 and a corresponding sequencing primer. According to the scheme, the detection flux of pathogenic gene mutation of the pheochromocytoma and paraganglioma can be improved.

A double-stranded DNA biomarker derived from exosomes is useful in early diagnosis and preoperative evaluation of pheochromocytoma and paraganglioma, and applications thereof. The biomarker is genome double-stranded DNA fragment specifically derived from exosomes in blood serum of pheochromocytoma and paraganglioma patients. The double-stranded DNA can represent variations of RET, VHL, and HIF2A with high frequency of somatic cell mutation, and metastatic phenotype-related SDHB, which are susceptibility genes of PCCs and PGLs. The circulating exosome DNA in patient's peripheral blood contains 97% of the same chromosomal point mutation information as the tumor cells from which the DNA originated. There is evidence off the existence of double-stranded DNA in the serum exosomes of PCCs and PGLs. The double-stranded DNA can be used to identify mutations in tumor cells and provide a noninvasive molecular marker for the clinical diagnosis and preoperative evaluation of PCCs and PGLs.

The invention provides a total flavonoid extract of bunge pricklyash leaves with anti-hypoxia activity. A rat adrenal pheochromocytoma PC12 cell experiment shows that the total flavonoid extract of the bunge pricklyash leaves has a protective effect on PC12 cell damages caused by hypoxia, the cell viability under the condition of improving the hypoxia is achieved, brain tissue damages caused by the hypoxia are alleviated, the obvious anti-hypoxia activity is achieved, the decrease of the cell viability under the hypoxic condition can further be significantly reversed, and therefore, the totalflavonoid extract can be used as an active substance for the preparation of anti-hypoxia drugs.