253 results about "Oxytocin" patented technology

Biological samples of mammary fluid or components thereof are obtained using a breast pump device coupled with a solid phase sample collection medium, alternatively facilitated by administering oxytocin to the subject. The breast pump device stimulates expression of mammary fluid and provides for collection of diagnostic samples to evaluate breast disease, including cancer. The biological sample may include whole cells or cellular components, purified or bulk proteins, glycoproteins, peptides, nucleotides or other desired constituents comprising a breast disease marker. Methods, kits and adapter devices relating to the breast pump device are also provided. Yet additional methods, devices, accessories, and materials are provided for laboratory handling and processing of breast fluid samples and for related diagnostic methods.

Disclosed is a breast pump that supports a mother's and infant's breastfeeding needs and facilitates the lifestyle of the mother's choice. The breast milk expression system disclosed allows breastfeeding mothers to obtain milk comfortably, hands-free, conveniently and with discretion. The breast milk expression system disclosed includes at least two contact points which mimic hand-expression as well as infant suckling and effectively stimulate the secretion of oxytocin and prolactin to provide a healthy, safe and efficient breastfeeding session. The system disclosed has a gentle rhythmic massage means and is located a distance from the base of the nipple and massages in all quadrants of the breast. The rhythmic forward pressure is provided by a plurality of opposing pairs of expression bellows that move the milk from the lactiferous sinuses through the nipple pores, bio-mimicking the techniques of hand expression.

PCT No. PCT/SE97/01968 Sec. 371 Date Aug. 2, 1999 Sec. 102(e) Date Aug. 2, 1999 PCT Filed Nov. 21, 1997 PCT Pub. No. WO98/23636 PCT Pub. Date Jun. 4, 1998Heptapeptide analogues or pharmaceutically acceptable salts thereof consist of a hexapeptide moiety S and a C-terminal beta -aminoalcohol residue Z bound to the moiety S by an amide bond, wherein the beta -aminoalcohol Z is -NR-CH(Q)-CH2OH, Q is (CH2)n-NH-A is H or -C(=NH)NH2, and R is CH3 or C2H5, and the moiety S wherein H is a D-aromatic alpha -aminoacid and Y is an aliphatic alpha -aminoacid and have oxytocin antagonist activity. Also disclosed is: a method of their synthesis; pharmaceutical compositions containing these analogues; the synthesis of such compositions; a method of control of uterine contractions.

The present invention relates to methods for the treatment of headache and headache disorders. The methods comprise administration of an oxytocin peptide for the treatment of primary and secondary headaches or trigeminal neuralgia.

A complex is provided for the treatment of neurogenic conditions having the formula:

where R¹ is

M is a metal ion Ca(II), Mg(II), Cu(II) or Ni(II); n is an integer 1 or 2; R is BBB peptide, transferrin, membrane transporter peptide, TAT peptide, bradykinin, beta-endorphin, bombesin, calcitonin, cholecystokinin, an enkephalin, dynorphin, insulin, gastrin, substance P, neurotensin, glucagon, secretin, somatostatin, motilin, vasopressin, oxytocin, prolactin, thyrotropin, an angiotensin, galanin, neuropeptide Y, thyrotropin-releasing hormone, gonadotropnin-releasing hormone, growth hormone-releasing hormone, luteinizing hormone, vasoactive intestinal peptidegluconate, L-lactate, L-leucine, L-tryptophan, and L-glutamate; and R is coupled to M through a carboxylate moiety. Magnesium (II) represents the preferred metal ion as magnesium is known to have neuroprotective effects. The metal ion is in part chelated by a non-steroidal anti-inflammatory drug that does not inhibit platelet activity and includes salicylate and ibuprofenate. The complex also includes a ligand operative in transport across the blood brain barrier. A process for making an inventive complex includes the stoichiometric addition of ligands containing carboxylate groups to a solution of the metal ion. In instances where the metal ion is magnesium (II), a stoichiometric ratio of 1:1:1 is found between the non-steroidal anti-inflammatory ligand:magnesium (II):transporter ligand.

A compound is provided that has the formula

NH₂CH₂CH₂CH₂C(O)N—R   (I)

where R is a moiety capable of crossing the blood brain barrier and is as a free compound serotonin, dopamine blood brain barrier (BBB) peptide, membrane translocating protein, TAT peptides, bradykinin, beta-endorphin, bombesin, calcitonin, cholecystokinin, an enkephalin, dynorphin, insulin, gastrin, substance P, neurotensin, glucagon, secretin, somatostatin, motilin, vasopressin, oxytocin, prolactin, thyrotropin, an angiotensin, galanin, neuropeptide Y, thyrotropin-releasing hormone, gonadotropnin-releasing hormone, growth hormone-releasing hormone, luteinizing hormone, vasoactive intestinal peptidetransferrin, glucosylamnine, amino saccharin, lactylamine, leucine, tryptophan, glutamate and amino cholines.

The present invention relates to compositions and methods of alleviating a symptom of sleep apnea, snoring associated with and independent of sleep apnea, and/or sudden infant death syndrome by administering oxytocin. Specifically, the invention includes a method of administering oxytocin or a salt thereof to an animal in order to treat obstructive sleep apnea, snoring associated with and independent of sleep apnea, and sudden infant death syndrome.

A delivery device for and method of modulating a condition relating to sodal cognition and/or behaviour in a human subject using oxytocin, non-peptide agonists thereof and/or antagonists thereof, comprising: providing a nosepiece to a first nasal cavity of the subject; and providing a supply unit for administering less than 24 IU of oxytocin, non-peptide agonists thereof and/or antagonists thereof through the nosepiece to an upper region posterior of the nasal valve which is innervated by the trigeminal nerve.

A compound is provided that has the formula

NH₂CH₂CH₂CHR¹C(O)N—R  (I)

where R¹ is p-chlorophenyl, R is a moiety capable of crossing the blood brain barrier and is as a free compound serotonin, dopamine blood brain barrier (BBB) peptide, membrane translocating protein, TAT peptides, bradykinin, beta-endorphin, bombesin, calcitonin, cholecystokinin, an enkephalin, dynorphin, insulin, gastrin, substance P, neurotensin, glucagon, secretin, somatostatin, motilin, vasopressin, oxytocin, prolactin, thyrotropin, an angiotensin, galanin, neuropeptide Y, thyrotropin-releasing hormone, gonadotropnin-releasing hormone, growth hormone-releasing hormone, luteinizing hormone, vasoactive intestinal peptide transferrin, glucosylamine, amino saccharin, lactylamine, leucine, tryptophan, glutamate and amino cholines.

The invention discloses a method for improving the stability of polypeptide active pharmaceutical ingredients. The polypeptide active pharmaceutical ingredients comprise but are not limited to bivalirudin, octreotide acetate, lanreotide acetate, eptifibatide or cetrorelix acetate, ganirelix acetate, degarelix, liraglutide, oxytocin, thymosin alpha1, leuprolide acetate, goserelin acetate, terlipressin or linaclotide. The method comprises the steps that after polypeptide drugs are salified, a polypeptide solution containing compensation ions is obtained, and a target polypeptide product is prepared through an ultralow temperature vacuum freeze-drying method. According to the method for improving the stability of the polypeptide active pharmaceutical ingredients, the problem that the polypeptide active pharmaceutical ingredients are prone to degradation after being placed for a long time is solved, the uniformity of the product is improved, and the drug risk is reduced.

The invention relates to an artificial reproduction method for schizothorax wangchiachii. The method mainly comprises the following seven steps: bait preparation, parent fish sourcing, parent fish domestication, parent fish selection, artificial insemination, fish egg incubation and fish fry feeding. The artificial reproduction method for schizothorax wangchiachii has the beneficial effects that oxytocin is not used, the schizothorax wangchiachii can lay eggs and produce sperms, and relatively high fertility rate and hatchability can be obtained; the problem that female and male wild fish do not develop or develop asynchronously in a pond culture environment is solved fundamentally; the damage on the parent fish of the schizothorax wangchiachii is reduced, and the cultivation cost is also reduced; the method is reasonable and efficient, the hatchability is improved, and the waste of fish egg resources is reduced; and the aberration rate of the fish fry is reduced while the survival rate of the fish fry is improved.

The present invention relates to a novel pharmaceutical composition comprising oxytocin and/or one or more fragment(s) and/or variant(s) thereof and at least one non-ionic cellulose ether, such as hydroxypropylmethylcellulose, said pharmaceutical composition having a low pH. The present pharmaceutical composition has been shown to provide an exceptionally suitable environment for oxytocin, as the stability thereof has increased significantly as compared to previous compositions with this molecule. The pharmaceutical composition according to the invention can be used for medical purposes, such as in the treatment of climacteric disorders.

The invention discloses a method for preparing oxytocin through solid phase polypeptide synthesis, comprising following steps: taking Rink Amide resin (comprising Rink Amide MBHA resin, Rink Amide Am resin) as raw material, taking amino acid protected by Fmoc, TBTU or HBTU/ HOBt as condensing agent, making up amino acid in sequence; adding peptide cutting agent for peptide cutting, adding for precipitation and getting reduced coarse product; adding basic matter, feeding air for oxidation or oxiding with H2O2 with pH being 7.5- 10.0, getting oxidized coarse product; separating and purifying by using C18 or C 8 column and getting final product. The method is characterized by low production cost, simple process, little pollution, high production rate and convenience for industrial production.

More efficient and/or economical methods for synthesizing heptapeptide alcohol analogs of oxytocin are provided along with novel intermediates which are useful in synthesizing such oxytocin analogs. Efficient and economical methods for synthesizing intermediates useful in synthesizing these oxytocin analogs are also provided.

Methods of treating certain behavioral characteristics associated with autism are provided. Additionally, methods of treating disorders associated with repetitive behaviors, social deficits and/or cognitive deficits are also provided. A therapeutic amount of oxytocin or oxytocin analogs, either alone or in combination, are administered to individuals demonstrating behavioral characteristics associated with autism or other disorders to reduce the severity of the debilitating behavior. In various aspects, characteristics such as deficit in social awareness or cognitive skills and repetitive behaviors are treated. Co-administration of oxytocin and/or oxytocin analogs with known psychopharmacologic agents is also provided. Advantageously, oxytocin and oxytocin analogs do not have deleterious effects with other drugs such that administration results in few side effects.

The invention provides a solid-phase synthetic method of oxytocin, which comprises the following steps: (I) preparing Rink Amide AM Resin by using AM Resin and Rink Amide Linker as raw materials; (II) orderly coupling Fmoc protecting group-containing amino acids to the Rink Amide AM Resin prepared in the step (I) through a solid-phase synthetic method, removing the protecting group, cracking to obtain linear oxytocin; (III) oxidizing the linear oxytocin, performing purification and freeze drying to obtain the oxytocin. The synthetic process of the invention is simple, low in cost, high in yield, easy for purification, less in environmental pollution, and suitable for industrial production.

The invention discloses a preparation method of a frozen diluent of sheep semen and an application of the preparation method. The preparation method of the frozen diluent of the sheep semen comprisesthe following steps: firstly, accurately weighing tris(hydroxymethyl) aminoethane, dihydrate trisodium citrate, fructose, an inositol compound, ethanediol or glycerinum, and oxytocin, adding the materials into ultrapure water, dissolving, adding a fresh yolk centrifuged liquid supernatant, penicillin and streptomycin, mixing evenly, fixing the volume after adjusting the pH value to 6.8-7.2, thus obtaining the frozen diluent of the sheep semen. The inositol compound is used to replace an antifreeze protein, the defect of the application of the antifreeze protein is avoided, meanwhile, the oxytocin is added when the semen is conveyed, and the sperm vitality and the acrosomal integrity are improved, so that the fertility rate is increased.

The invention belongs to the field of medicine preparations, and discloses a medicine composition containing oxytocin and a preparation method of the medicine composition. The medicine composition containing the oxytocin comprises oxytocin, a pH adjusting agent with the pH value of 4.0-7.0, an isoosmotic adjusting agent and water. The medicine composition containing the oxytocin is good in stability, the oxytocin is unlikely to have degradation phenomenon in the storage process, impurities caused by oxytocin degradation are greatly reduced, and the security in clinical application of the oxytocin can be effectively improved. The medicine composition containing the oxytocin, which is disclosed by the invention, is simple in operation of a preparation method and applicable to scale production.

The disclosure provides methods for processing a biological samples and determining the presence or an amount of a polypeptide in a biological sample, such as when the polypeptide is oxytocin or vasopressin.