CN110051829A - Application of the hay bacillus fibrinolysin in treatment rhinitis drug - Google Patents

Application of the hay bacillus fibrinolysin in treatment rhinitis drug Download PDF

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Publication number
CN110051829A
CN110051829A CN201910432998.5A CN201910432998A CN110051829A CN 110051829 A CN110051829 A CN 110051829A CN 201910432998 A CN201910432998 A CN 201910432998A CN 110051829 A CN110051829 A CN 110051829A
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China
Prior art keywords
fibrinolysin
hay bacillus
nose
bacillus
application
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Pending
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CN201910432998.5A
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Chinese (zh)
Inventor
王业富
董艳山
范青云
肖帅
向好
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Wuhan Zhenfu Pharmaceutical Co Ltd
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Wuhan Zhenfu Pharmaceutical Co Ltd
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Publication of CN110051829A publication Critical patent/CN110051829A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00Medicinal preparations containing peptides
    • A61K38/16Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • A61K38/43Enzymes; Proenzymes; Derivatives thereof
    • A61K38/46Hydrolases (3)
    • A61K38/48Hydrolases (3) acting on peptide bonds (3.4)
    • A61K38/482Serine endopeptidases (3.4.21)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00Drugs for disorders of the respiratory system
    • A61P11/02Nasal agents, e.g. decongestants
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12YENZYMES
    • C12Y304/00Hydrolases acting on peptide bonds, i.e. peptidases (3.4)
    • C12Y304/21Serine endopeptidases (3.4.21)
    • C12Y304/21062Subtilisin (3.4.21.62)

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • General Chemical & Material Sciences (AREA)
  • Pulmonology (AREA)
  • Otolaryngology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Immunology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Epidemiology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Abstract

The invention discloses application of the hay bacillus fibrinolysin in treatment rhinitis drug, the hay bacillus fibrinolysin is made by hay bacillus Bacillus subtilis QK02 strain fermentation, the strain oneself be stored in national Type Tissue Collection, bacterium numbering CCTCCNO:M203078;Hay bacillus fibrinolysin of the invention has good therapeutic effect to rhinitis, and medication is simple to operation.

Description

Application of the hay bacillus fibrinolysin in treatment rhinitis drug
Technical field
The present invention relates to treatment of rhinitis fields.It is more particularly related to which a kind of hay bacillus fibrinolysin is being treated Application in rhinitis drug.
Background technique
Rhinitis chronic is a kind of OtorhinolaryngologicDiseases Diseases that clinic is common, main clinic symptoms be runny nose, nasal obstruction, rhiocnesmus, Headache, secretion increase, and schneiderian membrance swelling or thicken equal obstacles, make and seriously affect to patient sleeps' mass, can also cause for a long time The complication such as secretory otitis media, influence hearing, even result in and become deaf.Child patient also will affect facial development, hearing development Deng.It cannot treat in time, will lead to serious consequence.Tinkling of pieces of jade et al. is paid off in " clinical ENT & HN Surgery Dept. magazine " magazine In " epidemiologic feature of China's chronic rhinosinusitis coexisting and its parsed with disease and risk factor " research paper for delivering In, the resident for having investigated 7, China's Mainland city carries out aspectant standardised questionnaire investigation.Research includes from 7 cities Totally 10 636 participants, the total prevalence rate of rhinitis chronic are 8.0%, and the illness rate in 7 cities is 4.8%~9.7%.From And speculates rhinitis chronic and about affect 1.07 hundred million population of China's Mainland.In China, rhinitis chronic is one and important public defends Raw problem.But rhinitis chronic is up to the present still without effective therapeutic agent, still based on operation.Therefore, clinical Lack safely and effectively non-surgical treatment.
Summary of the invention
In order to achieve the goal above, the application the invention discloses hay bacillus fibrinolysin in treatment rhinitis drug.
More preferably, application of the hay bacillus fibrinolysin in treatment rhinitis drug, the hay bacillus fibrinolysin Be made by hay bacillus Bacillus subtilis QK02 strain fermentation, the strain oneself be stored in national type culture and protect Hiding center, bacterium numbering CCTCCNO:M203078.
More preferably, application of the hay bacillus fibrinolysin in treatment rhinitis drug, the hay bacillus fibrinolysin It can individually be used in the form of dry powder, or liquid sprays or liquid drops are made with pharmaceutically acceptable auxiliary material cooperation.
The present invention is include at least the following beneficial effects: hay bacillus fibrinolysin of the invention to treatment rhinitis, significant effect, Medication is simple to operation, has no adverse reaction and complication.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this The research and practice of invention and be understood by the person skilled in the art.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, to enable those skilled in the art referring to specification Text can be implemented accordingly.
One, the fermentation preparation of hay bacillus fibrinolysin
1, prepared by strain
Bacterial strain is placed in -80 DEG C of low temperature refrigerators and saves, strain using it is preceding with fresh slant activation for 24 hours.It is chosen from inclined-plane Ring thallus access is taken equipped in the triangular flask of LB liquid medium, in 37 DEG C, 200r/min shaking table shaken cultivation 18h.
2, fermentor (500L) fermented and cultured
1 culture medium prescription of table
Prepare above-mentioned fermentation medium 300L, sterilising conditions are 115 DEG C, 30 minutes, after cooling room temperature, by above-mentioned 3L kind Sub- liquid is inoculated into fermentation medium according to 1% inoculum concentration, starts fermentation for 24 hours.
3, the preparation of hay bacillus fibrinolytic enzyme powder
After fermentation, fermentation liquid is centrifuged by tube centrifuge, and it is left to obtain concentrate 25L after micro-filtration and ultrafiltration concentration It is right.Concentrate obtains withered grass bar fibrinolysin raw material spray powder by spray drying.Spray drying condition is 140 DEG C of inlet air temperature, outlet air Temperature is 63-68 DEG C;
Two, performance
Embodiment 1
1, test animal used: 25 new zealand rabbits, weight 4.5-4.8kg are randomly divided into 5 groups, are respectively labeled as normal Group, model group, low dosage test group, middle dosage test group, high dose test group;
2, test method
Following methods modeling is all made of to the new zealand rabbit of model group and 3 test groups, concrete operations: rabbit bridge of the nose is hit exactly Hair cut short, scrape light, 50mg/kg ketamine intramuscular injection anesthesia, routine disinfection, drape, 1% lidocaine art area infiltration anesthesia, A lengthwise notch is cut along bridge of the nose median line, randomly selects side maxillary sinus antetheca, separates subcutaneous tissue and periosteum;With micro- electricity It bores and opens the hole of a diameter about 2mm in maxillary sinus antetheca brill, Serb velveteen is seated in Dou Kou and sinus cavities, it is not necessary to completely Block Dou Kou;It extracts 0.5ml S. aureus L-forms suspension (10CUF) and injects sinus cavities, gutstring is by periosteum, skin layer-by-layer suture;So that new west Blue rabbit infects rhinitis chronic;
It is then daily that nose is infused respectively according to the above ratio, and continuous use 14 days;
3, drug allocation and medication
Normal group: physiological saline, nose note, 2 times a day, and each 0.5ml, continuous 14 days;
Model group: physiological saline, nose note, 2 times a day, and each 0.5ml, continuous 14 days;
Low dosage test group: with the withered grass bar fibrinolysin medical fluid of normal saline concentration 100IU, nose is infused, 2 times a day, Each 0.5ml, continuous 14 days;
Middle dosage test group: with the withered grass bar fibrinolysin medical fluid of normal saline concentration 200IU, nose is infused, 2 times a day, Each 0.5ml, continuous 14 days;
High dose test group: with the withered grass bar fibrinolysin medical fluid of normal saline concentration 400IU, nose is infused, 2 times a day, Each 0.5ml, continuous 14 days;
4, interpretation of result
The blood of each group new zealand rabbit is checked, specific data target record is as follows:
Influence of the 1 withered grass bar fibrinolysin medical fluid of table to new zealand rabbit tracheitis data
As seen from the results in Table 1, hay bacillus fibrinolysin of the invention has obvious therapeutic effect to rhinitis;Via of the invention The indices of the new zealand rabbit of hay bacillus fibrinolytic enzyme treatment are all tried close to the new zealand rabbit normally organized, especially high dose The recovery effects for testing the new zealand rabbit of group are best, and indices are close to normal group;
Embodiment 2
1, test animal used: 25 rats, weight 28-36g are randomly divided into 5 groups, are respectively labeled as normal group, model Group, low dosage test group, middle dosage test group, high dose test group;
2, test method
Following methods modeling is all made of to the rat of model group and 3 test groups;Concrete operations: raw with 2% ovalbumin It manages brine spray and collunarium stimulation (both sides nose carries out simultaneously, every side nose every time 5 μ L) is carried out to rat, continue 10 days, it is complete At sensitization modeling;
Wherein, sneeze number and rhiocnesmus degree are observed and recorded daily;Specific targets are as follows:
Rhiocnesmus is slight: dabbing nose several times, remembers 1 point;
Rhiocnesmus severe: scratching nose, face are more than, rub everywhere, remember 2 points;
Sneeze is slight: 1-3, remembering 1 point;
Sneeze moderate: 4-10, remember 2 points;
Sneeze severe: 11 or more, remember 3 points;
It has a running nose: flowing to anterior naris, remember 1 point;More than anterior naris, 2 points are remembered;Runny nose is had one's face covered with, and remembers 3 points;
Each symptom statistical stacking, gross score is up to 5 points, i.e. sensitization modeling success;
3, drug allocation and medication
Normal group: physiological saline, nose note, 2 times a day, and each 0.5ml, continuous 14 days;
Model group: physiological saline, nose note, 2 times a day, and each 0.5ml, continuous 14 days;
Low dosage test group: with the withered grass bar fibrinolysin medical fluid of normal saline concentration 500IU, dosage 35mg/kg Weight;
Middle dosage test group: with the withered grass bar fibrinolysin medical fluid of normal saline concentration 500IU, dosage 35mg/kg Weight;
High dose test group: with the withered grass bar fibrinolysin medical fluid of normal saline concentration 500IU, dosage 35mg/kg Weight;
4, pharmacodynamic test observation index and method
(1) neurological deficit score standard
Sneeze number and rhiocnesmus degree are observed and recorded daily;
The comparison of every group of rat behavior scoring average mark before and after 2 nose injecting medical liquid of table
Note: * * P < 0.01, * P < 0.05 compared with model group
By the result of above-mentioned table 2 it is found that after using hay bacillus fibrinolysin medical fluid nose of the present invention note treatment, the spray of rat Sneeze number and runny nose situation is improved well, and the neurological deficit score standard of rat substantially reduces, and is all restored close to just substantially Often, the especially high dose test group of high dose is restored substantially to close to normal group, and the model group of sensitization is not adopted Treatment is infused with hay bacillus fibrinolysin medical fluid nose of the invention, Rhinitis Symptoms are still apparent.
(2) the nose injecting medical liquid of rat is measured before and after nose injecting medical liquid 14 days, anesthesia execution is carried out to rat, and take it Abdominal aorta blood 2ml, -20 DEG C save backup, and extract histamine, with fluorescence spectrophotometry histamine content, group in blood The content of amine;
After 3 nose injecting medical liquid of table in rat blood histamine content balance
Note: * * P < 0.01, * P < 0.05 compared with model group
By the result of above-mentioned table 3 it is found that after using hay bacillus fibrinolysin medical fluid nose of the present invention note treatment, rat serum night In histamine content be all greatly lowered, substantially close to the blood histamine value of normal rats, and histamine is as anaphylaxis One of the important reference indicator of rhinitis curative effect of medication, is greatly lowered, and surface hay bacillus fibrinolysin of the invention can have Effect improves allergic rhinitis symptoms.
Embodiment 3, toxicity test
3.1 intact skin irritant tests
10 new zealand rabbits, weight 4.5-4.8g are raised according to normal condition before the test, by new zealand rabbit back Shaving forms the medication area lost hair or feathers and contrast district of two pieces of 2cm*2cm, wherein the withered grass of medication area coating concentration 400IU The physiological saline of 1.0 μ L of bacillus fibrinolysin medical fluid, contrast district coating equivalent are adhered to 14 days 1 time a day;It is strong according to skin irritatin Standards of grading are spent, it is nonirritant to the intact skin of new zealand rabbit that hay bacillus fibrinolysin of the invention can be evaluated;
3.2 damaged skin irritant tests
10 new zealand rabbits, weight 4.5-4.8g are raised according to normal condition before the test, by new zealand rabbit back Shaving forms the medication area lost hair or feathers and contrast district of two pieces of 2cm*2cm, draws consistent cut in medication area, contrast district respectively Mouthful, avoid bleeding, wherein medication area coats the 1.0 μ L of hay bacillus fibrinolysin medical fluid of concentration 400IU, and contrast district coats equivalent Physiological saline adhere to 14 days 1 time a day;According to skin irritatin intensity ratings standard, withered grass bar of the invention can be evaluated Bacterium fibrinolysin is nonirritant to the damaged skin of new zealand rabbit;
3.3 acute toxicity test
10 new zealand rabbits, the hay bacillus fibrinolysin medical fluid of weight 4.5-4.8g, nose implantation concentration 400IU, daily 3 Secondary, each 3ml observes and records the death condition, changes of weight and other symptoms of new zealand rabbit daily;
It 14th day, puts to death, each organ is taken to carry out pathologic finding;
As a result: at 14 days, whole new zealand rabbit survivals, no death, and each organ pathology is found through histopathological examination It checks normally, and the respiratory mucosas such as nose, larynx, trachea-bronchial epithelial cell have no damaging variation;
And during this period, significant change does not occur for the weight of rabbit, also without any discomfort symptom;
The above results all show that hay bacillus fibrinolysin not only has rhinitis (including rhinitis chronic and allergic rhinitis) Good therapeutic effect, and in animal experiment, toxic reaction is also not present.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed With, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is not limited to specific thin Section and embodiment shown and described herein.

Claims (3)

1. application of the hay bacillus fibrinolysin in treatment rhinitis drug.
2. application of the hay bacillus fibrinolysin as described in claim 1 in treatment rhinitis drug, which is characterized in that described withered Straw bacterium fibrinolysin is made by hay bacillus Bacillus subtilis QK02 strain fermentation, the strain oneself be stored in national allusion quotation Type culture collection, bacterium numbering CCTCCNO:M203078.
3. application of the hay bacillus fibrinolysin as described in claim 1 in treatment rhinitis drug, which is characterized in that described withered Straw bacterium fibrinolysin can be used individually in the form of dry powder, or liquid sprays are made with pharmaceutically acceptable auxiliary material cooperation Or liquid drops.
CN201910432998.5A 2019-05-23 2019-05-23 Application of the hay bacillus fibrinolysin in treatment rhinitis drug Pending CN110051829A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111840384A (en) * 2020-08-01 2020-10-30 武汉真福医药股份有限公司 Anti-senile plaque composition and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN111840384A (en) * 2020-08-01 2020-10-30 武汉真福医药股份有限公司 Anti-senile plaque composition and preparation method thereof

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