110 results about "Phosphatine" patented technology

The invention belongs to the technical field of RNA biological prevention and treatment, and particularly relates to dsRNA for preventing and treating crop anthracnose and application of the dsRNA. The dsRNA is targeted inositol phosphatidylceramide (IPC) synthetase coding gene dsRNA, and is obtained by transcription of a part of sequence (SEQ ID No.1) of an inositol phosphatidylceramide (IPC) synthetase coding gene CaAUR1, the gene segment is a segment of a target gene for preventing and treating crop anthracnose, and the dsRNA obtained by transcription can obviously reduce pathogenicity of mango anthracnose bacteria, and has the effects of keeping mango fresh, preventing and treating anthracnose. And the compound can be used for preventing and treating the crop anthracnose or preparing products for preventing and treating the crop anthracnose.

Methods for treating cancers and precancerous conditions by administering an effective amount of a radiolabeled agent that targets cell surface phosphatidylserine, alone or in combination with other therapies, are provided. The radiolabeled phosphatidylserine targeting agent delivers radiation to cells that externally present phosphatidylserine, such as tumor cells, depleting those cells and neighboring malignant cells to effect overall tumor reduction. Radiation delivered by the radiolabeled phosphatidylserine targeting agent itself increases the cell surface expression of phosphatidylserine, leading to a feed-forward mechanism that drives further accumulation of the phosphatidylserine targeting agent at target lesions to enhance its therapeutic effect.

The present composition comprises magnesium-L-threonate and a neurotransmitter such as, but not limited to phosphatidylserine and optionally, at least one of vitamin C, vitamin B6, and vitamin D3. The composition has been shown to increase at least one of memory or cognition in clinical study subjects. The present disclosure is further directed to methods of identifying and a subject with a memory or cognitive deficiency and administering a therapeutically effective amount of a formula comprising magnesium-L-threonate and a neurotransmitter to improve the memory and / or cognitive deficiency. In some implementations, the magnesium-L-threonate is Magtein®. It is also intended that any other neurotransmitter that results in a synergistic composition of the magnesium-L-threonate and the neurotransmitter by administered to improve a subject's memory and / or cognition.

The invention discloses a compound grease feed additive for improving breeding quality of channa maculata and application. The method comprises the following steps: (1) preparing experimental feed; the method comprises the following steps: respectively preparing an experimental group ARA 1.5 added with 1.5% of arachidonic acid and an experimental group ARA + PC added with 1.5% of arachidonic acid and 1.5% of phosphatidylcholine; (2) feeding; (3) after the culture experiment is finished, treating and detecting the channa maculata; (4) carrying out an artificial propagation test; (5) carrying out ovarian steroid synthesis related gene expression detection; and (6) carrying out data statistical analysis. By adding arachidonic acid (ARA) and phosphatidylcholine (PC) into the feed, the breeding performance of channa maculata and the quality of fry are improved, and the feed has very important significance for improving the aquatic product efficiency of high-quality fry of channa maculata in aquaculture.

Disclosed in the present invention is a phosphatidylserine and docosahexaenoic acid (DHA) composite, and its application thereof in a functional preparation, belonging to the field of health-care food. By combining two substances in a specific ratio and further applying them to edible functional preparations, brain entry efficiency of unsaturated fatty acids including DHA is improved. The ratio verifies a synergistic interaction mechanism of two active ingredients. Phosphatidylserine promotes enrichment of fatty acids such as the DHA in a brain by enhancing permeability of a blood-brain barrier, promotes neurogenesis, and enhances learning and memory abilities. Moreover, combination of the phosphatidylserine (PS) and the DHA can significantly improve an expression level of neurotrophic factors and protect and repaire a nervous system. (Figl)

The present disclosure concerns methods for treating pancreatic cancer cells with a combination of gemcitabine (GEM) and SapC-DOPS. In some aspects, GEM treatment preferentially targets G1 phase cells which are low in surface phosphatidylserine (PS), resulting in an increased median surface PS level of PDAC cells. Inversely, SapC-DOPS targets high surface PS cells which are predominantly in the G2 / M phase. In other aspects, a combination therapy on tumors in vivo with SapC-DOPS and GEM or Abraxane® (Abr) / GEM is demonstrated to significantly inhibit tumor growth and increases survival.

A reagent for measuring activated partial thromboplastin time, the reagent comprising phosphatidylcholine (PC), phosphatidylserine (PS), and phosphatidylethanolamine (PE), wherein the ratio (PS / PC) of the concentration of the PS to the concentration of the PC is 0.26-2.00, and the concentration of the PS is 14-60 µg / mL.

This invention belongs to the fields of pharmaceutical biotechnology and clinical medicine, specifically relating to a peripheral blood phosphatidylethanolamine biomarker for the objective diagnosis of depression, and particularly to the application of phosphatidylethanolamine (PE) (18:1 / 18:3) in the diagnosis and risk assessment of depression. This invention provides an objective diagnostic method based on peripheral blood, overcoming the inherent subjectivity of traditional psychiatric diagnoses, and can be used for the auxiliary diagnosis, early screening, and risk assessment of depression.

The application belongs to the technical field of molecular biology, and particularly relates to metabolic markers for evaluating the prognosis of patients with hypertrophic cardiomyopathy and application thereof. The application determines that one or more of 3-hydroxyrilotene, asparagine-lysine, cyclohexylamine, arachidonic acid, aconitic acid, propionyl carnitine, ceramide, tryptophan, 3-hydroxysebacic acid, traumatic acid, phosphatidylcholine, alanine-proline, lysophosphatidylcholine, taurine and S-garlicin cysteine are related to the prognosis of hypertrophic cardiomyopathy, can evaluate the prognosis of patients with hypertrophic cardiomyopathy after undergoing muscle resection of interventricular septum, and shows accurate judgment on all-cause death or rehospitalization, cardiovascular events and postoperative new-onset arrhythmia. Finally, all the prognostic biomarkers are reproduced in an independent cohort, which is helpful for postoperative risk evaluation of patients with hypertrophic cardiomyopathy, has high specificity and high sensitivity.

This invention provides the application of phosphatidylinositol (16:0 / 18:3(9 cis, 12 cis, 15 cis)) in the identification of Hainan camellia, relating to the field of food testing technology. The phosphatidylinositol (16:0 / 18:3(9 cis, 12 cis, 15 cis)) can be used as a characteristic marker for the identification of Hainan camellia. This invention is the first to discover that the kernels of Hainan camellia contain high levels of phosphatidylinositol (16:0 / 18:3(9 cis, 12 cis, 15 cis)), while phosphatidylinositol (16:0 / 18:3(9 cis, 12 cis, 15 cis)) is not found or present in extremely low amounts in the kernels of other camellia species besides Hainan camellia. Phosphatidylinositol (16:0 / 18:3(9 cis, 12 cis, 15 cis)) can be used to identify and distinguish Hainan camellia from other camellia species. Furthermore, this identification method is simple to operate and achieves rapid, objective, and accurate identification of Hainan camellia.

The application relates to application of phosphatidylinositol and phosphatidylglycerol as metabolic markers for predicting intracranial atherosclerosis progression, and belongs to the technical field of medical biological detection. In the scheme, single-sample MR analysis is carried out by combining RICAS cohort data with external database data, causal correlation between metabolites and ICAS is analyzed, and serum biomarkers phosphatidylinositol PI 18:0 / 22:6 and phosphatidylglycerol PG 18:1 / 18:2 for ICAS occurrence and development are screened out by combining characteristic metabolic changes of ICAS with causal correlation analysis. ICAS progression is collected through prospective follow-up of the RICAS cohort, the correlation between the serum biomarkers and the ICAS progression is established, and it is verified that the serum biomarkers have transformation application value and can be used as a new biomarker for early prediction of ICAS progression and derivation.

This invention relates to the prevention and / or treatment of protein tyrosine kinase-mediated diseases, particularly phosphatidylinositol 3-kinase (PI3Ks)-mediated diseases. PI3Ks are well known as oncological targets, and several PI3K inhibitors have been developed that inhibit numerous class 1A PI3K isoforms. The development of selective inhibitors of PI3K-α may enable sufficient targeted inhibition while avoiding some of the known toxic drawbacks of pan-PI3K inhibitors. The inventors have discovered that a novel carbamoti-oil-pyrrolidine-carboxamide compound of formula (I) exhibits advantageous PI3K inhibitory activity, particularly with high selectivity for the isoform PI3K-α. In particular, this invention relates to the compound of formula (I), or deuterated or tritiated forms of the compound of formula (I), and pharmaceutically acceptable salts thereof. [Formula 1] The present invention also relates to pharmaceutical compositions containing a compound of formula (I) for use in the treatment and / or prevention of protein tyrosine kinase-mediated diseases, and to a compound of formula (I).

The present application belongs to the technical field of pharmaceutical compositions, and particularly relates to a composition with sleep improvement effect and application thereof.The composition comprises gamma-aminobutyric acid, Poria cocos extract, and can further comprise Rhizoma Polygonati extract and phosphatidylserine.The composition can achieve the effect of sleep improvement within a specific ratio range.The composition takes into account functionality and nutrition, and exhibits broad application prospects in the aspect of sleep improvement function.

The application belongs to the technical field of biology and particularly relates to application of phosphatidylglycerol. The phosphatidylglycerol PG (20:4_22:6) is used as a biomarker, and through analysis on metabolites of follicular fluid, the application realizes diagnosis of decreased ovarian reserve (DOR) with high sensitivity, high specificity and high accuracy.

In the first aspect, at least one of phosphatidylinositol 4-kinase type 2 alpha, phosphatidylinositol 5-phosphate 4-kinase type 2 alpha and protein kinase C beta is used as a marker to prepare a detection reagent or a kit so as to realize diagnosis or auxiliary diagnosis of Parkinson's disease. The kinases detected in an erythrocyte membrane as the PD diagnosis marker have the following advantages: 1, hemoglobin interference can be effectively removed through hypotonic lysis / centrifugal separation, the detection stability is improved, and accurate discovery of the marker is facilitated; 2, the erythrocyte membrane is easy to obtain and noninvasive, so that great convenience is provided for popularization of detection; 3, the biomarker found based on the erythrocyte membrane can be popularized or combined with serum detection, and it is possible to efficiently and stably detect PD.

The invention provides a freeze-dried eye mask and a preparation method thereof, and the freeze-dried eye mask is prepared from the following components in parts by weight: 0.05 to 0.25 part of a glycoside nonionic surfactant, 0.03 to 0.25 part of phosphatidylcholine, 0.01 to 0.04 part of cholesterols, 0.03 to 0.2 part of a mould / saccharomycetes fermentation extraction product, 0.5 to 0.8 part of a humectant, 0.35 to 0.85 part of a skin conditioner, 0.01 to 0.015 part of a thickening agent, 0.25 to 0.4 part of an antiseptic bacteriostatic agent and 0.001 to 0.004 part of an acid-base regulator. Compared with the prior art, the freeze-dried eye mask disclosed by the invention has the advantages that components such as a skin conditioner can be entrapped in vesicles, permeation and absorption of functional components in eye skin can be improved, and the effects of removing wrinkles, whitening and the like are enhanced.

The utility model belongs to the field of phosphatidylserine production technology especially for a kind of efficient catalytic reaction kettle of preparation phosphatidylserine, including kettle body, the kettle body is by outer tube, and the inner tube of fixed connection on the inner wall of outer tube is composed, kettle body is located in the center of inner tube and is provided with stand, and stand is inserted with equidistant distribution's stirring catalytic mechanism, the stand includes the column body rotationally connected in the center of kettle body, and the outer wall of column body is along the length direction of column body and is provided with the T-shaped groove of array distribution.This utility model is through setting outer tube and inner tube, when using, the circulation of solution can be realized by circulating pipeline, conduit, liquid inlet pipe, water pump, liquid injection mechanism, so that solution reciprocating contact with enzyme catalysis board frame, avoid existing dead angle, and the mode can make that solution is heated evenly, in turn guarantee the preparation effect of phosphatidylserine, solved the device efficiency low, the problem of poor processing effect of present stage.

The invention relates to the technical field of ultraviolet light analysis, and particularly discloses a qualitative and quantitative method of phosphatidylcholine, which is used for solving the problems that phosphatidylcholine multi-carbon-chain components are difficult to stably separate, retention drift is caused by different batches of mobile phase A solvent strength and selectivity fluctuation, integral mismatch is caused by acromion and co-elution, and the stability of the components is poor. Different carbon chain reference substances are difficult to prepare, so that qualitative and quantitative deviation is caused. The method comprises the following steps: preparing a test solution, performing HPLC gradient separation and mobile phase A closed-loop calibration, performing marker time axis correction and acromion MS resolution quantification, and performing QTOF-MS molecular weight qualitative and qualitative and quantitative contrast output. A mobile phase A is calibrated in a closed-loop manner through a marker alpha to stabilize the strength and selectivity of a batch of solvents, correction is performed according to a marker time axis, an integral window is generated automatically, a UV area is split according to an acromion EIC proportion to inhibit misintegration caused by drifting and peak stacking, and qualitative and quantitative detection of a to-be-detected sample is achieved without using a whole set of multi-carbon-chain PC reference substances.

An oil composition comprises deodorized oil and phosphatidylserine and a food product comprises the said oil composition. It describes a process for reducing the content of glycidyl esters (GE) in a deodorized oil, and the process is comprising the following step: adding phosphatidylserine to a deodorized oil. It further relates to the use of phosphatidylserine to reduce the content of glycidyl esters (GE) in a deodorized oil.

The present invention relates to methods of treating viral infections including COVID-19 and compositions with a combination of (i) an inhibitor of phosphatidylinositol-3-phosphate 5-kinase (PIKfyve) and (ii) an inhibitor of transmembrane serine proteinase 2 (TMPRSS-2).

The invention relates to an exosome with high permeability and application of the exosome, and the surface of the exosome is connected with dioleoyl phosphatidylserine, 1, 2-dioleoyl-sn-glycerol-3-phosphorylethanolamine and hirudin. The exosome constructed by the invention can improve the permeability of the skin, can carry active components to directly reach the skin epidermis and corium layer, is accumulated on the epidermis and corium layer, continuously provides nutrition for the skin, and fully exerts the skin care and beautifying effects.

The present technology generally relates to peptides that bind to phosphatidylinositol proteoglycan 3 (GPC3), to peptides that bind to the GPC3, and to compositions comprising such peptides.

The present technology relates to the field of cancer treatment. In particular, the present technology relates to polypeptides targeting phosphatidylinositolprotein-3 (GPC3) and T cell receptor (TCR) for use in the treatment of phosphatidylinositolprotein-3 positive (GPC3 +) solid tumors, such as hepatocellular carcinoma (HCC) or non-small cell lung cancer (NSCLC). In addition, the technology relates to the dosage of said polypeptide when used as therapy.

The preparation method comprises the following steps: dissolving phosphatidylserine powder prepared by enzyme reaction in vegetable oil, adding pure water, stirring until the system is in a reverse micelle gel state, vacuumizing, filling nitrogen, carrying out oil bath, rapidly stirring and heating until the system is boiled to obtain upper-layer clear and transparent oil, and filtering to obtain the phosphatidylserine oil. And cooling to room temperature, and performing centrifugal separation to obtain the transparent phosphatidylserine oiling agent. According to the invention, phosphatidylserine is dissolved in grease in a path of dissociating reverse micelles by a gasification method, so that the phosphatidylserine is in a clear and transparent state, the colloidal influence of related polar substances such as sterol glycoside is eliminated, the transparent phosphatidylserine oil agent is prepared, the use of toxic solvents is avoided, and the subsequent continuous purification and preparation application are facilitated.

The present application relates to a kind of drug composition for preventing and adjuvant therapy of Alzheimer's disease and preparation method thereof, belong to medical health technical field.The prescription of the drug composition prepared in the present application includes the following active ingredients, phosphatidylserine, pyrrole quinoline quinone, coenzyme Q10, curcumin, EGCG, alpha-lipoic acid, acetyl L-carnitine, magnesium threonate, vitamin E, folic acid and vitamin B12.The preparation method of the drug composition also includes the following steps: the product is loaded with energy by weak magnetic resonance equipment to the composition.The drug composition reaches the effect of antioxidation, anti-inflammation, improves cerebral blood flow and protects neuron by the synergistic effect of multiple functional components, so as to help slow down the progress of Alzheimer's disease.

The utility model discloses a kind of catalytic reaction devices for phosphatidylserine, belong to phosphatidylserine production technical field, including concentrically arranged outer cylinder and inner cylinder, outer cylinder is sleeved in inner cylinder outside, annular temperature control cavity is equipped between outer cylinder and inner cylinder, temperature control assembly is equipped in annular temperature control cavity, outer cylinder bottom end is equipped with driving motor, driving motor output end penetrates outer cylinder bottom wall and extends into inner cylinder inner chamber, and is fixedly connected with stirring assembly, stirring assembly upper portion detachably connected with catalytic assembly, locking mechanism is equipped in stirring assembly inside, locking mechanism is used to lock catalytic assembly on stirring assembly upper portion.The utility model accurately adjusts temperature by temperature control assembly, locking mechanism locks catalytic assembly on stirring assembly, and continuously stirs and catalyzes extraction liquid, ensures that catalytic reaction process is stable during reaction process, after catalytic reaction, catalytic assembly can be extracted and replaced, without filtering and removing catalyst, more time-saving and labor-saving, convenient operation.

The invention discloses a preparation method of a phosphatidylcholine compound. Specifically, the invention provides a preparation method of a compound as shown in a formula III, which comprises the following step: in acetonitrile, in the presence of a condensation reagent and alkali, carrying out condensation reaction on a compound as shown in a formula I and a compound as shown in a formula II to prepare the compound as shown in the formula III. The preparation method disclosed by the invention is high in reaction yield and good in product purity, and has good application prospect and value.

Zwitterionic phosphatidylserine (ZPS) monomers, ZPS polymers and ZPS copolymers, methods for making the ZPS monomers, ZPS polymers, and ZPS copolymers, compositions and materials that include ZPS polymers and ZPS copolymers, and methods for using the ZPS monomers, ZPS polymers, and ZPS copolymers.

The application discloses a plasma metabolic marker composition and a screening method and application thereof, and relates to the technical field of biomedicine. The plasma metabolic marker composition comprises glycyl-L-glutamic acid, phosphatidylcholine 38:7, pyrrole-2-formic acid and phosphatidylethanolamine 36:2p. The metabolic marker composition is significantly different in different cancer types, can distinguish different cancer types of cancer patients, and realizes the detection of pan-cancer. The metabolic marker composition is non-invasive and minimally invasive when used for the detection of pan-cancer, is more suitable for the screening and detection of a large number of ordinary people, has high sensitivity and specificity, is more suitable for the early screening of cancer, and is helpful for the early screening, early diagnosis and early treatment of cancer, and is helpful for improving the survival rate and cure rate of cancer patients.

A lipid nanoparticle composition targeting to antigen-presenting cells (APCs), comprising: at least a therapeutic agent, at least a cationic or ionizable cationic lipid, at least a neutral lipid, at least a steroid or steroid analogue, at least a PEGylated lipid, and atleast a phosphatidylglycerol.