CN108948185A - The rabbit alliin antibody that alliin antigen and its immune response obtain - Google Patents

The rabbit alliin antibody that alliin antigen and its immune response obtain Download PDF

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CN108948185A
CN108948185A CN201810785505.1A CN201810785505A CN108948185A CN 108948185 A CN108948185 A CN 108948185A CN 201810785505 A CN201810785505 A CN 201810785505A CN 108948185 A CN108948185 A CN 108948185A
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alliin
antigen
antibody
rabbit
immune response
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CN108948185B (en
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李明强
韩志俊
宋姗姗
裴天容
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Zunyi Medical University
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    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/76Albumins
    • C07K14/765Serum albumin, e.g. HSA
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/76Albumins
    • C07K14/77Ovalbumin
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/44Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material not provided for elsewhere, e.g. haptens, metals, DNA, RNA, amino acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K19/00Hybrid peptides, i.e. peptides covalently bound to nucleic acids, or non-covalently bound protein-protein complexes

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Abstract

This application discloses the rabbit alliin antibody that the alliin antigen immune response in biologic product technology field obtains, raw material includes alliin antigen and Freund's complete adjuvant, alliin antigen and Freund's complete adjuvant mixed in equal amounts are obtained into adjuvant antigen, it takes in alliin antigen injection to rabbit body, alliin antibody is obtained after immune response.The present invention solves the immunogenicity of alliin, and immunizing rabbit obtains alliin antibody, and alliin antibody can be used for alliin Concentration Testing, in vivo distribution and pharmacological mechanism research, all have important application value to alliin basic and clinic studies.

Description

The rabbit alliin antibody that alliin antigen and its immune response obtain
Technical field
The invention belongs to the families that biologic product technology field more particularly to a kind of alliin antigen and its immune response obtain Rabbit alliin antibody.
Background technique
Alliin is the water-soluble amino acids of garlic, and chemical property is stablized, the hair of experiment in vitro research in recent years Existing, alliin has antimicrobial, antitumor, anti-oxidant, immunological regulation and anti-angiocardiopathy effect, and so far there are no, and clinic is ground Study carefully report.
Low molecular compound does not have immunogenicity generally, after it is in conjunction with high-molecular compound, body can be activated to exempt from Epidemic disease cell generates associated antibodies.Alliin is low molecule amino acids, itself does not have immunogenicity, but alliin , can be in conjunction with protein molecule with amino, carboxyl and thioether group, whether conjugate has immunogenicity, and stimulation body produces Raw antibody, has no relevant report.Research prepares alliin antibody, first has to that alliin is made to form comlete antigen, this is for being avoided Alliin causes body generation alliin antibody to be equally of great significance during clinical use, and prepares alliin and resist The basic necessary condition of body.Followed by animal selects, and rabbit is laboratory common experimental animal, unrestricted with injecting pathway, The advantages such as animal origin, economic and practical, in subsequent research, experiment reagent is easy to get, such as anti-rabbit IgG antibody.
Alliin antibody can be used for alliin Concentration Testing, in vivo distribution and pharmacological mechanism research, to alliin Basic and clinic studies all have important application value.
Summary of the invention
The rabbit alliin antibody that the invention is intended to provide a kind of alliin antigen and its immune response obtains, it is existing to solve There is technology not aiming at the problem that the relevant immunizing antigen of alliin and antibody.
The technical scheme is that alliin antigen, including albumen and alliin, which made with albumen The mixture being mixed to form for carrier and alliin.Above-mentioned albumen can may be vegetable protein for animal protein.
Preferably, the albumen includes bovine serum albumin(BSA) or ovalbumin.Bovine serum albumin(BSA) or ovalbumin are this Common protein carrier is invented, main foundation is inexpensive and is easy to get.
Preferably, ovalbumin is egg white powder.Egg white powder is preferentially selected in the present invention.
The rabbit alliin antibody that alliin antigen immune response of the invention obtains, which is to pass through The extract that will be obtained after the alliin antigenic stimulus rabbit immune response.
Specifically, raw material includes alliin antigen and Freund's complete adjuvant, by alliin antigen and Freund's complete adjuvant etc. Amount is mixed to get adjuvant antigen, takes in alliin antigen injection to rabbit body, and alliin antibody is obtained after immune response.Freund assistant Agent is the most common adjuvant so as to enhancing immunogenicity in current zoopery, it can be divided into Freund's complete adjuvant and Freund again Freund's incomplete adjuvant.Incomplete Freund's adjuvant system finish (paraffin oil or vegetable oil) is mixed with emulsifier, when itself and antigen Mixing becomes water-in-oil emulsion, is used for inoculation, mycobacteria (such as BCG vaccine of inactivation is added in Freund's incomplete adjuvant Bacterium) then become Freund's complete adjuvant.
More specifically, take alliin antigen and adjuvant antigen spare, selective body focuses on the rabbit of 2~3kg, is spaced within every 7 days Injection is primary, the adjuvant antigen of first time intracutaneous injection 2ml, the alliin antigen of second of subcutaneous injection 3ml, third time vein Inject the alliin antigen of 1ml, the 4th intravenous injection 2ml alliin antigen, serum point after Culling heart blood after final injection 7 days From rear acquisition alliin antibody.
When detecting to antibody, use " O " type human blood cell as carrier, in conjunction with forming sensitization after alliin Red blood cell and sensitized lymphocyte, detection and identification alliin antibody.
The working principle of the invention and the utility model has the advantages that
1, the present invention solves the immunogenicity of alliin first, and immunizing rabbit obtains alliin antibody, is garlic ammonia The basic and clinic studies of acid provide material base and technical guarantee.
2, alliin antibody can be used for alliin Concentration Testing, in vivo distribution and pharmacological mechanism research, to garlic ammonia Sour basic and clinic studies all have important application value.
3, the present invention is preferential selects egg white powder to form milky complex precipitate in conjunction with alliin as carrier, makes Alliin has immunogenicity, becomes comlete antigen.
4, immune preparation family's rabbit-anti alliin antibody is carried out to rabbit with this antigen binding Freund's complete adjuvant.
Detailed description of the invention
Fig. 1 is the display figure that sensitized erythrocyte immunofluorescent test detects alliin antibody;
Fig. 2 is the display figure that sensitized lymphocyte immunofluorescent test detects alliin antibody.
Specific embodiment
Below by the further details of explanation of specific embodiment:
The preparation of antigen
The preparation of alliin antigen: it is 100mg/ml alliin solution that the egg white of 10ml, which is added to 2ml mass concentration, Stirring mixes well, and the visible milky alliin of naked eyes is presented and egg white conjugate precipitates, forms alliin antigen.
The preparation of adjuvant antigen: weighing lanolin 5g, takes paraffin oil 20ml, and high pressure sterilization is spare, is Freund incomplete adjuvant, Freund incomplete adjuvant 10ml is taken, 60mg BCG vaccine is aseptically added dropwise, side edged is milled, and is Freund's complete adjuvant; Then the alliin antigen of equivalent is added dropwise, same side edged is milled, and is formed stable suspension, is obtained adjuvant antigen.
Animal immune
Rabbit requires 2~3kg of weight, and inoculation is carried out by table 1.
Table 1 is rabbit immunization injecting program
Frequency injection It is spaced in date (day) Approach Antigenic property Dosage of inoculation (ml)
For the first time 7 It is intradermal Adjuvant antigen 2
Second 7 Subcutaneously Alliin antigen 3
For the third time 7 Vein Alliin antigen 1
4th time 7 Vein Alliin antigen 2
Blood sampling: final injection is taken a blood sample after 7 days, carries out antibody test, and Culling heart blood after final injection 7 days injects blood In sterile Kolle flask, it is put into 37 DEG C of environment, is transferred to after 30 minutes in 4 DEG C of refrigerator after waiting for blood to solidify, it is sterile after 24 hours Under the conditions of separation serum it is spare, carry out alliin antibody test.
Alliin antibody test
Blood cell separation: " O " type people anticoagulation lymphocyte separation medium separates lymphocyte, 2000r/min centrifugation 20min, lymphocyte and red blood cell respectively with brine three times.
Sensitized erythrocyte preparation: PH9.6,0.1M barbital-hydrochloride buffer 20ml and 100mg/ml alliin solution 1ml is added packed red cells 1ml, is placed at room temperature for 1 hour, and 2000r/min is centrifuged 10min and precipitates red blood cell, brine Three times, precipitating red blood cell normal saline is spare at 2% red cell suspension.It is cold simultaneously with 2% red cell suspension smear Wind is dry, and cold acetone is fixed, and -20 DEG C of refrigerators save backup.
The preparation of sensitized lymphocyte antigen slide: above-mentioned isolated lymphocyte, precipitating retain 0.2ml with when removing supernatant Liquid cell dispersion;1mlPH9.6 0.1M barbital-hydrochloride buffer and 100mg/ml alliin solution 0.2ml, room temperature is added It places 1 hour, 2000r/min is centrifuged 10min and precipitates red blood cell, and brine three times, is precipitated with guarantor when removing supernatant 0.2ml liquid cell dispersion is stayed, cell sheet, cold wind drying are prepared, cold acetone is fixed, and -20 DEG C of refrigerators save backup.
Slide agglutination test: 10% sensitized erythrocyte one drop is added dropwise in the drop of immune serum one on glass slide, is added, uses toothpick It mills mixing, shakes slide and observe erythrocyte agglutination situation, observation in every 2 minutes is primary, occurs agglutination in ten minutes for the positive.And Replace immune serum with the rabbit anteserum and physiological saline that are immunized without alliin, is carried out as negative control and saline control same Sample test.
Tube agglutination test: taking 10 test tubes, and row is on rack for test tube, and physiological saline 0.5ml is added in every pipe in addition to the first pipe, Serum presses the first pipe original serum, 1:2,1:4,1:8 ..., and doubling dilution to the 9th pipe, the tenth pipe is saline control, and every pipe is added 2% sensitized erythrocyte 0.5ml observes result after placing 45 minutes under 37 DEG C of environment.
Immunofluorescent test: sensitized lymphocyte and sensitized erythrocyte antigen slide are taken out from refrigerator, is placed at room temperature for 5 points Clock is added dropwise immune serum and is covered on sample, sets and put in 37 DEG C of environment in wet box 4 hours;It takes out and uses PH7.4,0.01M PBS punching Wash clean is added dropwise goat-anti rabbit fluorescence antibody and covers sample, put in 37 DEG C of environment 4 hours in wet box, uses PH7.4,0.01M with taking out PBS, that is, phosphate buffered saline (PBS) is rinsed well, cold wind drying, fluorescence microscopy microscopic observation result.
As a result:
Slide agglutination test is evident that erythrocyte agglutination, normal rabbits blood the results show that Rabbit Sera is visible Cleer and peaceful physiological saline is showed no sensitized erythrocyte agglutination.
It is 1:64 that tube agglutination test, which detects antibody titer, and ratio is smaller, and available antibodies are more.
Under fluorescence microscope: the visible combination fluorescence antibody of antigen slide of sensitized erythrocyte preparation generates the red of autofluorescence Cell, such as Fig. 1.Sensitized lymphocyte prepares antigen slide, and lymphocyte combination fluorescence antibody generates autofluorescence lymphocyte, Such as Fig. 2, shines to represent and contain alliin antibody in above-mentioned cell.
It will be apparent to those skilled in the art that without departing from the structure of the invention, several deformations can also be made And improvement, these also should be considered as protection scope of the present invention, these all will not influence the effect and patent that the present invention is implemented.

Claims (6)

1. alliin antigen, which is characterized in that including albumen and alliin, which is using albumen as carrier and garlic The mixture that propylhomoserin is mixed to form.
2. alliin antigen according to claim 1, which is characterized in that the albumen includes bovine serum albumin(BSA) or egg white Albumen.
3. alliin antigen according to claim 2, which is characterized in that the ovalbumin is egg white powder.
4. the rabbit alliin antibody that any alliin antigen immune response obtains according to claim 1~3, feature It is, which is the extraction by will obtain after the alliin antigenic stimulus rabbit immune response Object.
5. the rabbit alliin antibody that immune response according to claim 4 obtains, which is characterized in that raw material includes garlic ammonia Alliin antigen and Freund's complete adjuvant mixed in equal amounts are obtained adjuvant antigen, take alliin by sour antigen and Freund's complete adjuvant In antigen injection to rabbit body, alliin antibody is obtained after immune response.
6. the rabbit alliin antibody that immune response according to claim 5 obtains, which is characterized in that take alliin antigen Spare with adjuvant antigen, selective body focuses on the rabbit of 2~3kg, and interval injection in every 7 days is primary, the assistant of first time intracutaneous injection 2ml Agent antigen, the alliin antigen of second of subcutaneous injection 3ml, third time are injected intravenously the alliin antigen of 1ml, the 4th vein 2ml alliin antigen is injected, obtains alliin antibody after serum separation after Culling heart blood after final injection 7 days.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109627332A (en) * 2019-01-15 2019-04-16 深圳康体生命细胞技术有限公司 A kind of immune antiboidy and preparation method thereof

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CN102127143A (en) * 2010-12-27 2011-07-20 广州甘蔗糖业研究所 Preparation method of alpha-glucan antigen and specificity monoclonal antibody
CN102702345A (en) * 2012-05-10 2012-10-03 中国人民解放军第二军医大学 Melamine antigen, related antibody and preparation method thereof
CN105175531A (en) * 2015-08-14 2015-12-23 苏州博源医疗科技有限公司 Hydroxyproline immunogen, specific antibody and detection reagent, and preparation methods thereof

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CN102127143A (en) * 2010-12-27 2011-07-20 广州甘蔗糖业研究所 Preparation method of alpha-glucan antigen and specificity monoclonal antibody
CN102702345A (en) * 2012-05-10 2012-10-03 中国人民解放军第二军医大学 Melamine antigen, related antibody and preparation method thereof
CN105175531A (en) * 2015-08-14 2015-12-23 苏州博源医疗科技有限公司 Hydroxyproline immunogen, specific antibody and detection reagent, and preparation methods thereof

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CN109627332A (en) * 2019-01-15 2019-04-16 深圳康体生命细胞技术有限公司 A kind of immune antiboidy and preparation method thereof

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