Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

342 results about "Cyclophosphamide" patented technology

Cyclophosphamide is used to treat various types of cancer.

Novel growth hormone releasing hormone analog peptides and application thereof in preparing medicines for treating infertility

The invention discloses novel growth hormone releasing hormone analog peptides and an application thereof in preparing medicines for treating infertility. Experiments discover that 2D, 2E or 2F peptide has obviously high hypophysis GH releasing activity and hypophysis hormone releasing specificity. Tested by the conjugation reaction of an in-vitro GHRH dimer peptide and a hypophysis GHRH receptor, 2D, 2E and 2F dimer peptides have extremely high hypophysis receptor binding activity, wherein the 2F dimer peptide has the maximum binding activity. With the 2F peptide as the representative, infertility model treatment finds out that, compared with a normal saline group and a pure cyclophosphamide control group, in the 2F dimer peptide group, the spermatocytes and the spermatogonia in the seminiferous tubules are obviously increased, the seminiferous tubule cells are arranged in order and large in volume, the cavities of the seminiferous tubules are reduced and even disappear, and dose dependency is shown. All the facts indicate that the GHRH peptides with the 2F peptide as the representative have an obvious effect of stimulating the proliferation and the maturation of spermatogonia/oogonia, thereby promoting reproduction; and as a result, the novel growth hormone releasing hormone analog peptides can be applied to medicines for treating infertility.
Owner:深圳纳福生物医药有限公司

Monoclone antibody of swine fever virus resistant wild strain E2 protein, preparation method and application thereof

The invention discloses a monoclonal antibody against virulent strain E2 protein of classical swine fever virus and a hybridoma cell strain secreting the monoclonal antibody. The hybridoma cell strain is obtained by using hog cholera lapinized virus vaccine strain E2 protein expressed by Baculovirus as tolerogen, selecting Shimen strain E2 protein as immunogen, immunizing mouse by cyclophosphamide immunosuppression method, carrying out cell fusion, and sieving hybridoma cell strain capable of stably secreting monoclonal antibody against E2 protein. The monoclonal antibody can react with Shimen strain and can produce specific reaction with virulent strain of classical swine fever viruses of 1.1, 2.1, 2.2 and 2.3 gene sub-groups. The monoclonal antibody has neutralization activity and does not react with hog cholera lapinized virus vaccine strain, so that the monoclonal antibody can be used for differentiating virulent strain of classical swine fever virus and hog cholera lapinized virus vaccine strain, which establishes the foundation for establishing a method for differentiating wild virus infection of classical swine fever and vaccine immunity and for researching the molecular difference between CSFV virulent strain and mild strain.
Owner:HARBIN VETERINARY RES INST CHINESE ACADEMY OF AGRI SCI

Extraction method of land slug and anti-lung cancer application of land slug

ActiveCN103610699AHighlight the role and effectSignificant tumor suppressor effectRespiratory disorderAntineoplastic agentsWater bathsHigh concentration
The invention discloses an extraction method of a land slug and an anti-lung cancer application of the land slug. The extraction method comprises the following steps: (1) carrying out vacuum freeze-drying on the land slug, adding purified water and then carrying out water bath agitation, adding a high-concentration ethanol solution, evenly agitating until the ethanol concentration is 60-70%, standing and then carrying out solid-liquid separation; (2) clarifying and intercepting the liquid obtained in the step (1) by adopting an inorganic ceramic membrane system, so as to obtain total clear liquid of the land slug; (3) concentrating the total clear liquid of the land slug obtained in the step (2) by a reverse osmosis membrane; and (4) concentrating and drying ultra-filtrate obtained in the step (3), so as to obtain water-soluble land slug powder. The molecular weight of the land slug powder obtained by the method is concentrated between 20,000 and 30,000, and has a significant antitumor effect; the tumor control rate is higher than that of cinobufagin and close to that of cyclophosphamide. The water-soluble land slug powder disclosed by the invention is used for treating a lung cancer, and is efficient and low-toxicity.
Owner:GUANGZHOU HANFANG PHARMA
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products