KR20030062456A - A Diagnostic Kit for Male Sterility and a Method for Detecting Deletion of Male Sterility-related DNA Using the Same - Google Patents

Abstract

PURPOSE: A mail sterility diagnosis kit and a method for analyzing a result of DNA(Deoxyribonucleic Acid) related to sterility of the male using the mail sterility diagnosis kit are provided to improve the accuracy and the speed of analysis by measuring a ferment activity and a fluorescent of material. CONSTITUTION: A solid support is adhered to a probe needle including a base sequence of a primer for amplifying DNA related to a sterility of the male. A PCR(Polymerase Chain Reaction) mixture is comprised of the primer for amplifying the DNA related to sterility of the male, dNTP, DNA polymerism ferment, and a buffer solution. An additional primer is comprised of fifteen to thirty bases and coupled to a biotin at 5'-end thereof. A strapped avidin and a substrate of an electric labeled ferment are coupled to a labeled ferment.

Description

A Diagnostic Kit for Male Sterility and a Method for Detecting Deletion of Male Sterility-related DNA Using the Same}

The present invention relates to a male infertility diagnostic kit and a method for analyzing the deletion of male infertility-related DNA using the same. More specifically, the present invention provides a male infertility diagnostic kit and an electrical male infertility diagnosis including a probe for detecting male infertility related DNA or a solid support having a male infertility related DNA attached thereto, a PCR mixture and a wash buffer solution. It relates to a method for analyzing the deletion of male infertility-related DNA using the kit.

In general, the diagnosis of male infertility is primarily made by urological examination or semen test, and as a result, the diagnosis through male examination is performed. Precise diagnosis of male infertility includes biopsy of testicular tissue, anti-sperm antibody test, hormone test in blood and chromosome test. First, the biopsy method of testicular tissue is a method in which testicular tissue is collected and examined directly when severe abnormalities such as oligozoospermia, sperm death, and azoospermia are found. If the function of the testicle, the manufacturer of sperm, is normal, it can be treated with a high success rate. Second, the anti-sperm antibody test method is to analyze the presence of antibodies to sperm. Antibodies to sperm are spontaneously occurring, but are generally observed after vas deferment surgery after inflammation, trauma or contraception. If the test results show high levels of anti-sperm antibodies on the sperm surface, artificial insemination is difficult to fertilize, and even in vitro fertilization is likely to fail in fertilization, so special treatment is required. Third, blood hormone test is a method of testing the body's levels of male hormones, male sperm is based on the fact that the body's male hormones are normally produced only when a certain level is maintained. Fourthly, the chromosome test method is a method for intensively examining abnormalities of sex chromosomes among male chromosomes. In addition, there is a method of testing the DNA of sperm or a test for fertilization of sperm using a hamster egg in place of a human egg, and the most commonly used among the current methods are chromosome test methods.

Male infertility, on the other hand, is associated with the AZF (Azoospermic factor) site located in the long right side of the Y chromosome, as reported by Tiepolo, L. and Zuffardi, O., Location of factors controlling spermatogenesis in the nonfluorescent portion of the human Y chromosome long arm, Human Genet., 1976, 34, 119-124), and the AZF region can be divided into three parts (Vogt, PH, Edelmann, A., Hirschmann, P., Shan, Z). ., Tenscher, S., Urbitsch, P., The Y chromosome and in fertility in the male, Abstracts of the 12th Annual Meeting of the EHSRE, 1996, 32). Related data (Vogt, PH, Human chromosome deletions in Yq11, AZF candidate genes and male infertility: history and update, Molecular Human Reproduction , 1998, 4, 739-744). In addition, Deleted in AZoospermia (DAZ) has been found associated with deletions in the AZF site (Reijo, R., Lee, TY, Salo, P., Alagappan, R., Brown, LG, Rosenberg, M., Rozen, S., Jaffe, T., Straus, D., Hovatta, O., Chapella, A., Silber, S., Page, DC, Diverse spermatogenic defects in human caused by Y chromosome deletions encompassing a novel RNA-binding protein gene , Nat Genet., 1995, 10, 383-393), which continue to distinguish and isolate DNA sites and genes associated with male infertility (Lahn, BT and Page, DC, Functional coherence of the human Y chromosome). , Science , 1987, 278, 675-680 and Vogt, PH, Affara, N., Davey, P., Hammer, M., Jobling, MA, Lau, YF. C., Mitchell, M., Schempp, W. , Tyler-Smith, C., Williams, G., Yen, P. and Rappold, GA, Report on the third international workshop on Y chromosome mappong, Cytogenetics & Cell Genetics, 1997 , 79, 1-20).

As described above, the most commonly used method of diagnosing male infertility is a chromosome test method, and various machines and various methods may be used for this, but PCR may be used to detect deletions in the AZF region on the Y chromosome. It is widely used because it is relatively simple to analyze and easy to process. However, conventional methods using molecular biological PCR have various technical problems such as poor accuracy, long analysis time, and limitations of mass analysis.

Therefore, there is a constant need to solve the problems of the conventional method using molecular biological PCR and to develop a method for analyzing the deletion of new male infertility-related DNA that can accurately and quickly analyze a large amount of samples. .

Therefore, the present inventors have made efforts to develop a method for analyzing the deletion of a new male infertility-related DNA that can solve the problems with the conventional method using molecular biological PCR, and as a result, attach a probe or male infertility-related DNA to a solid support. And reacting the sample DNA labeled with biotin or fluorescent material with the DNA attached to the solid support, adding the substrate of the enzyme and the enzyme to react with the biotin and measuring the enzyme activity or fluorescence of the fluorescent material. By measuring, it was confirmed that a large amount of samples can be analyzed accurately and quickly, and the present invention was completed.

After all, the main object of the present invention is to provide a male infertility diagnostic kit.

Another object of the present invention is to provide a method for analyzing the deletion of male infertility-related DNA using the electrical male infertility diagnostic kit.

Figure 1 is a graph showing the results of analyzing the deletion of male infertility-related DNA of the sample using an additional primer.

Figure 2 is a photograph showing the results of analyzing the deletion of the male infertility-related DNA of the sample using the fluorescently labeled sample DNA.

Figure 3 is a photograph showing the results of analyzing the deletion of SPGY1 in male infertility-related DNA of the sample using fluorescently labeled male infertility-related DNA.

The present invention (i) a solid support attached with a probe containing a base sequence of a primer for amplifying male infertility-related DNA; (ii) a PCR mixture consisting of primers, dNTPs, DNA polymerase and buffer for amplifying male infertility related DNA; (iii) an additional primer consisting of 15 to 30 bases located 3'-terminus than the site where the primer binds to the template DNA and having biotin bound to the 5'-end; (iv) substrates of strapavidin and markers bound to marker enzymes; And (v) a male infertility diagnostic kit comprising a washing buffer after PCR and a washing buffer after a labeling enzyme reaction, and (i) adding a sample DNA to the solid support of the male infertility diagnostic kit together with the PCR mixture for the first polymerization. Performing an enzymatic chain reaction (PCR), immediately adding an additional primer to perform a second PCR, and then washing the support with a washing buffer after PCR; (ii) to the electro-washed support, by adding strapasevidin conjugated with the labeling enzyme, to the biotin bound to the additional primer, reacting with the substrate of the labeling enzyme, and then reacting with a buffer for washing after the labeling reaction. A method of analyzing the deletion of male infertility-related DNA using an electrical male infertility diagnostic kit comprising washing and measuring the activity of a labeling enzyme and analyzing the deletion of male infertility-related DNA is provided. May be made of plastic, and the labeling enzyme bound to strapavidin may be alkaline phosphatase or peroxidase, and the activity of the labeling enzyme may be measured by color development or absorption. . When the marker is alkaline phosphatase, the substrate is p-nitrophenylphosphate (pNPP), 5-bromo-4-chloro-3-indolylphosphate (5-bromo-4-chloro-3- indolylphosphate or naphthol AS-TR phosphate and when the marker is peroxidase, the substrate is phenylenediamine, 3,3 ', 5,5'-tetramethyl Benzidine (3,3 ', 5,5'-tetramethylbenzi dine), dianisidine, aminosalicylic acid, 3,3'-diaminobenzidine, 3 3-amino-9-ethylcarbazole or 4-chloro-1-naphthol. The sample DNA to be analyzed can be extracted from blood, semen or hair root cells. In an electrical male infertility diagnostic kit and a method for analyzing the deletion of male infertility related DNA using the additional primers, the additional primers have the ability to partially re-amplify the DNA amplified by the first PCR and the DNA amplified by the first PCR. It plays a role in determining whether male infertility is related to DNA, and increases the accuracy of results.

In addition, the present invention (i) a solid support having a male infertility-related DNA attached; (ii) a PCR mixture consisting of primers for amplifying male infertility related DNA, dNTP, fluorescently bound dNTP, DNA polymerase and buffer solution; (iii) a male infertility diagnostic kit comprising a wash buffer solution after the hybridization reaction and (i) mixing the sample DNA with a PCR mixture of the electrical male infertility diagnostic kit and performing a PCR to fluoresce the sample DNA; (ii) adding the electrofluorescently labeled sample DNA to the solid support of the electrical male infertility diagnostic kit, washing with a washing buffer after the hybridization reaction, followed by fluorescence analysis to analyze the deletion of male infertility related DNA. Provided is a method for analyzing the deletion of male infertility-related DNA using an electrical male infertility diagnostic kit comprising: wherein the solid support can be made of glass and the dNTP conjugated with phosphor is aminodigoxigen-9 -dNTP (aminodigoxigenie-9-dNTP), coumarin-5-dUTP (coumarin-5-dUPT), cyanine-3-dNTP (cyanine-3-dNTP), cyanine-5-dNTP (cyanine-5-dNTP, Cy5- dNTP), DNP-dNTP, fluorescein chlorotriazinyl-4-dUTP, fluorescein-dUTP, lysamine-dUTP (lissamine-dUTP), naphthoflu Oresin-dUTP (napthofluorescein-dUTP), pyrene-dUTP (pyrene-dUTP), tetramethylrhodamine-6-dUTP (tetramethylrhodamine-6-dUTP) or texas Texas red-dUTP (texas red-dUTP), and the sample DNA to be analyzed can be extracted from blood, semen or hair root cells. By applying the male male infertility diagnostic kit and a method of analyzing the deletion of male infertility-related DNA using the same, attaching the sample DNA instead of male infertility-related DNA to the solid support, and fluorescently labeling the male infertility-related DNA instead of the sample DNA, It is also possible to analyze the deletion of male infertility related DNA by hybridizing sample DNA attached to a solid support and fluorescently labeled male infertility related DNA and fluorescence analysis.

Specifically, the present invention provides a microplate to which (i) probes (SEQ ID NOs: 28, 29, 30, 31, 32, 33, 34, 35 and 36) are attached; (ii) primers for amplifying male infertility-related DNA (SEQ ID NOs: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 and 18) ), a PCR mixture consisting of dNTP, Taq polymerase and buffer; (iii) additional primers (SEQ ID NOs: 19, 20, 21, 22, 23, 24, 25, 26, and 27) having biotin bound to the 5'-end; (iv) pNPP, the substrate of alkaline phosphatase bound strapavidin and electrolabelling enzymes; (v) a male infertility diagnostic kit comprising 0.5 × SSC / 0.1% Tween 20 washing buffer after PCR and 150 mM NaCl / 0.1% Tween 20/100 mM Tris-HCl (pH 7.5) after washing the labeling enzyme. (i) a glass plate attached with SPGY1, SY127, SY158, SY254, SY255, MK5 and SRY which are male infertility related DNA; (ii) primers for amplifying male infertility related DNA (SEQ ID NOs 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47 and 48), dNTP, Cy5-dCTP, Taq polymerase and PCR mixtures containing buffers; And, (iii) provides a male infertility diagnostic kit comprising a wash buffer 2x SSC / 0.2% SDS and 0.5x SSC after the hybridization reaction.

Hereinafter, the present invention will be described in more detail with reference to Examples. These examples are only for illustrating the present invention in detail, it will be apparent to those skilled in the art that the scope of the present invention is not limited by these examples.

Example 1 Analysis of Deletion of Male Infertility-Related DNA Using Additional Primers

Example 1-1 Preparation of Primer and Probe and Attachment of Probe

Primers for amplifying male infertility related DNA and additional primers and probes for detecting electrical DNA were prepared and attached to a solid support: primers a and b for amplifying male infertility related DNA; An additional primer c consisting of 15 to 30 bases located 3'-terminal than the site where the primer a or b binds to the template DNA, and wherein biotin is bound to the 5'-end; And the probe containing the base sequence of the electrical primer a or b was produced. The electric probe may further include a spacer (eg, poly-d (T)) having a phosphate bonded to the 5′-end to increase PCR efficiency. In order to inhibit spontaneous binding between the probes, the electroprepared probe was heated at 90 ° C. to 100 ° C. for 5 to 10 minutes, preferably at 94 ° C. for 10 minutes, and immediately cooled in ice for 10 minutes. After cooling, the probe was briefly centrifuged to agglomerate the probe, and cooled 1-methylimidazole (pH 7.0) and 1-ethyl-3- (3-dimethylaminopropyl) -carbodiimide (1- ethyl-3- (3-dimethylaminopropyl) -carbodiimide (EDC)) was added to a final concentration of 10 mM and mixed. 100 μl per well was injected into the NucleoLink 96-well microplate for PCR (Nunc, Denmark) selected as a solid support, treated with a tape or the like to prevent evaporation, and then 5 to 40 ° C. to 60 ° C. The probe was attached to the microplate by incubating for 9 hours, preferably at 50 ° C. for 7 hours.

After incubation, each well of the microplate was washed to remove probes that did not adhere to the microplate: the electrical mixture was removed from the wells of the microplate, and each well was removed with 200 μl of 0.4N NaOH / 0.25% Tween 20 solution. After washing three times at room temperature, and incubated at room temperature for 10 minutes in the same volume of the same solution, each well was washed three times at room temperature with the same solution and 200 μl of distilled water. Subsequently, 200 µl of distilled water was added thereto, followed by three times of incubation at room temperature and washing three times.

Example 1-2 Removal of Uncrosslinked Products with PCR and Probes

Sample DNA was added to the microplate prepared in Example 1-1, and PCR was performed: First, 0.5 μl to 2 μl of sample DNA (100 ng / μl), preferably 1 μl, primer a (100 pmol / μl) 0.1 μL to 2 μL, preferably 0.5 μL, primer b (100 pmol / μL) 0.1 μL to 2 μL, preferably 0.5 μL, dNTP-Mix (10 mM) 0.5 μL to 2 μL, preferably 1 μL, 10 Prepare a PCR mixture with a composition of 3 μL to 6 μL of Taq buffer solution, preferably 5 μL, 0.5 μL to 2 μL of Taq polymerase (1 to 5 units / μL), preferably 1 μL and distilled water, and perform the PCR. The mixed solution was treated for 5 minutes at 94 ° C. in a thermo cycler, and the first PCR was performed by repeating 30 cycles of 30 seconds at 94 ° C., 30 seconds at 58 ° C., and 30 seconds at 72 ° C. for 30 minutes.

Upon completion of the first PCR, add only 0.5 μl to 2 μl, preferably 1 μl of primer c (100 pmol / μl), perform a second PCR under the same temperature cycling conditions as above, and then remove each well. After washing three times with 200 μl of 0.5 × SSC / 0.1% Tween 20 solution, 200 μl of the same solution was added and incubated at 60 ° C. for 15 minutes, followed by washing three times with 200 μl of the same solution.

Example 1-3 Confirmation of PCR Results

PCR results of Examples 1-2 were confirmed by adding the substrates of the labeled enzyme-binding strapavidin and the electric labeling enzyme, and diluting them with 150 mM NaCl / 100 mM Tris-HCl (pH 7.5) solution. One strap of avidane-alkaline phosphatase solution was added to each well of the PCR-completed microplate and incubated for 30 to 90 minutes, preferably 60 minutes at 35 ° C to 45 ° C, preferably 40 ° C. 200 μl of 150 mM NaCl / 0.1% Tween 20/100 mM Tris-HCl (pH 7.5) solution was added and left at 60 ° C. for 5 to 15 minutes, preferably 10 minutes, and then washed three times with the same solution. 100 μl of pNPP (p-nitrophenylphosphate) solution (Sigma, USA), a substrate of alkaline phosphatase, was added to each washed well and incubated for 60 minutes to 120 minutes, preferably 90 minutes, and 1N NaOH was added to the enzyme. After stopping the substrate reaction, color development by enzyme activity was measured by absorbance at 405 nm using an ELISA reader.

Example 2 Analysis of Deletion in DNA Related to Male Infertility of Samples

Using SY147, SY152, SY158, SY254, SY269, SPGY1, SRY, SY84 and SY86 present in the AZF site associated with male infertility, the deletion of the male infertility related DNA of the sample was analyzed in the same manner as in Example 1 above.

As primers for amplifying male infertility related DNA, 5'-AGCTTCTCTTTCTCGTTTGAT-3: SY147a (SEQ ID NO: 1), 5'-CAGATGTAATTCCAATGTGCAG-3 ': SY147b (SEQ ID NO: 2), 5'-AAGACAGTCTGCCATGTTTC-3': SY152a ( SEQ ID NO: 3), 5'-AGGAGGGTACTTAGCAGTAA-3 ': SY152b (SEQ ID NO: 4), 5'-AGTTCCATGTGTGATGAAAGA-3': SY158a (SEQ ID NO: 5), 5'-TTTACAGTGGTTTGTAGCGG-3 ': SY158b (SEQ ID NO: 6), 5'-ACCAGAAGGCAAAATCGT-3 ': SY254a (SEQ ID NO: 7), 5'-AACCGTATCTACCAAAGCAG-3': SY254b (SEQ ID NO: 8), 5'-GACAAGTGTTCCTTGGAGAT-3 ': SY269a (SEQ ID NO: 9), 5'-TGCATTGGCATGAATGTGTA 3 ': SY269b (SEQ ID NO: 10), 5'-ACAGCCATTAAGTTTAGCAT-3': SPGY1a (SEQ ID NO: 11), 5'-TGATAGTCTGAACACAAGCA-3 ': SPGY1b (SEQ ID NO: 12), 5'-CATGAACGCATTCATCGTGTG-3': SRYa ( SEQ ID NO: 13), 5'-GGTCGATACTTATAATTCGGG-3 ': SRYb (SEQ ID NO: 14), 5'-CAAAGAGAAGGGTCTGAAAG-3': SY84a (SEQ ID NO: 15), 5'-GGCTTCATCAGCAAGACAAA-3 ': SY84b (SEQ ID NO: 16), 5'-ACACACAGACTATGCTTCAG-3 ': SY86a (SEQ ID NO: 17) and 5'-AGACACACACAGAGGGACAA-3': SY86b (SEQ ID NO: 5) Was produced No. 18) (Bioneer, South Korea).

As additional primers, 5'-TGGAATATCAGCCAAGATGT-3 'with 5'-terminus biotin: SY147c (SEQ ID NO: 19), 5'-CTTAGCAGTAACNTTTCTGC-3': SY152c (SEQ ID NO: 20), 5'-AGTGAGTTGATTAGCAGAATG-3 ': SY158c (SEQ ID NO: 21), 5'-TCAGTTTCATCCATCTATGGA-3', SY254c (SEQ ID NO: 22), 5'-TGTATTCATGGTCTTCTCGA-3 ': SY269c (SEQ ID NO: 23), 5'-ACTTCTCCAAGAAGTACCTG-3': SPGY1c (SEQ ID NO: 23) 24), 5'-TATTTCTCTCTGTGCATGGC-3 ': SRYc (SEQ ID NO: 25), 5'-CCTTTTGAAAGGAGTTAGCC-3': SY84c (SEQ ID NO: 26), and 5'-GAGAAGACAGCATCTACAAC-3 ': SY86c (SEQ ID NO: 27) Produced (Bionia, Korea).

5'-TTTTTTTTTTTTTTTAGCTTCTCTTTCTCGTTTGAT-3 'comprising a spacer with a phosphate bound to the microplate, as a probe for attachment to a microplate: SY147p (SEQ ID NO: 28),

5'-TTTTTTTTTTTTTTTAAGACAGTCTGCCATGTTTC-3 ': SY152p (SEQ ID NO: 29),

5'-TTTTTTTTTTTTTTTAGTTCCATGTGTGATGAAAGA-3 ': SY158p (SEQ ID NO: 30),

5'-TTTTTTTTTTTTTTTTTACCAGAAGGCAAAATCGT-3 ': SY254p (SEQ ID NO: 31),

5'-TTTTTTTTTTTTTTTGACAAGTGTTCCTTGGAGAT-3 ': SY269p (SEQ ID NO: 32),

5'-TTTTTTTTTTTTTTTTACAGCCATTAAGTTTAGCAT-3 ': SPGY1p (SEQ ID NO: 33),

5'-TTTTTTTTTTTTTTTCATGAACGCATTCATCGTGTG-3 ': SRYp (SEQ ID NO: 34),

5'-TTTTTTTTTTTTTTTCAAAGAGAAGGGTCTGAAAG-3 ': SY84p and (SEQ ID NO: 35),

5'-TTTTTTTTTTTTTTTACACACAGACTATGCTTCAG-3 ': SY86p (SEQ ID NO: 36) was prepared (Bionia, Korea).

Electrical SY147p, SY152p, SY158p, SY254p, SY269p, SPGY1p, SRYp, SY84p and SY86p were attached to each well of the microplate in the same manner as in Example 1-1, and the corresponding electrical primers a, b and c were respectively attached. PCR was performed twice in the same manner as in Example 1-2, and then PCR results were confirmed in the same manner as in Example 1-3. Figure 1 is a graph showing the results of analyzing the deletion of male infertility-related DNA of the sample using an additional primer. In Figure 1, (-) is a negative control group without a sample during PCR, (1) is SY147, (2) is SY152, (3) is SY158, (4) is SY254, (5) is SY269, (6) SPGY1, (7) represents SRY, (8) represents SY84, and (9) represents SY86. As shown in FIG. 1, the absorbance is high in all related DNA in the normal group, while the absorbance is low in SY147, SY158, SY269, and SPGY1 in Patient A, and the absorbance is low in SY152, SY158, and SY269 in Patient B. It can be seen that it appears. From this result, patient A can confirm that deletion occurred in SY147, SY158, SY269, and SPGY1, and patient B can confirm that deletion occurred in SY152, SY158, and SY269, so that patient A and patient B can be diagnosed as male infertility. have.

Example 3 Analysis of Deletion of Male Infertility-Related DNA Using Fluorescent Labels

Example 3-1 : Attachment of genes

Male infertility related DNA was amplified and purified and attached to solid support: 0.5 to 2 μl of male infertility related DNA (100 ng / μl), preferably 1 μl, primer a (100 pmol / μl) and b (100 pmol / μl) 0.1 μl to 2 μl, preferably 0.5 μl, dNTP-Mix (10 mM) 0.5 μl to 2 μl, preferably 1 μl, 10 × Taq buffer solution 3 μl to 10 μl, preferably 5 μl, Taq polymerase (1 to 5 units / μl, ClonTech, USA) PCR mixtures were prepared with a composition of 1 μl to 5 μl, preferably 2.5 μl and distilled water. The PCR mixture was treated for 5 minutes at 94 ° C. in a temperature circulator, followed by 35 cycles of 30 seconds at 94 ° C., 30 seconds at 61 ° C., and 30 seconds at 72 ° C., and then maintained at 72 ° C. for 10 minutes. . Upon completion of the PCR, 0.1-fold volume of 3M sodium acetate (pH 5.2) and 2.5-fold 100% ethanol or 1.0-fold volume of isopropanol were added to the PCR mixture containing the amplification product for at least 6 hours or -70 After standing at 1 ° C. for at least 1 hour, centrifugation was performed at 14,000 rpm and 4 ° C. for 15 minutes. Then, the supernatant was discarded and 500 µl of 70% ethanol was added to the obtained pellet, followed by centrifugation under the same conditions as before, and the supernatant was discarded to obtain pellets. The resulting pellets were dried at room temperature to remove any remaining ethanol, suspended in 6 μl of 3 × SSC, and then suspended using a microarray on a glass plate (Cartetian, USA) selected as a solid support, 80 Incubation at 1 ° C. for 1 hour to prepare a glass plate attached to the male infertility-related DNA.

In addition, both the primers a and b used were added, and the sample DNA amplified and purified by multi-PCR was attached to the glass plate instead of the male infertility related DNA.

Example 3-2 Labeling of Sample DNA Using Cy5-dCTP

All primers a and b used in Example 1-1 were added, multi-PCR was performed to amplify the sample DNA and labeled with Cy5-dCTP: 0.5 to 2 μl of sample DNA (100 ng / μl), preferably 1 μl, primers a (100 pmol / μl) and b (100 pmol / μl) 0.1 μl to 2 μl, preferably 0.5 μl, dNTP-Mix (10 mM) 0.5 μl to 2 μl, preferably 1 μl, 10 × PCR mixtures were prepared with a composition of 3 μl to 10 μl of Taq buffer, preferably 5 μl, 1 μl to 5 μl of Taq polymerase (1 to 5 units / μl, ClonTech, USA), preferably 2.5 μl and distilled water. . The PCR mixture was treated for 5 minutes at 94 ° C. in a temperature circulator, followed by 30 cycles of 1 minute at 94 ° C., 1 minute at 60 ° C., and 1 minute at 72 ° C., and then maintained at 72 ° C. for 10 minutes. It was. After the PCR was completed, 0.1-fold volume of 3M sodium acetate (pH 5.2) and 1.0-fold volume of isopropanol were added to the PCR mixture containing the amplification product and left at -70 ° C for 1 hour, and then 14,000rpm and 30 ° C at 4 ° C. Centrifuged for minutes. Then, the supernatant was removed, 500 µl of 70% ethanol was added thereto, centrifuged under the same conditions as before, and the supernatant was removed again to obtain pellets. The obtained pellet was dried at room temperature to remove all remaining ethanol and suspended in distilled water to 1 ng / 1 mu l. 10 μl of random primer was added to the suspended DNA and heated at 95 ° C. for 5 minutes. 10 μl of 5 × dCTP Buffer, 3 μl of Cy5-dCTP, and 1 μl of Klenow-Fragment Enzyme were added. After incubation at 37 ° C. for 15 minutes, the reaction was stopped by adding 2 μl of stop solution (Prime-It II Random Primer Labeling kit, Stratagene, USA).

In addition, in Example 3-1, in order to attach the DNA of the sample to the glass plate instead of the male infertility-related DNA, each male infertility-related DNA was fluorescently labeled by PCR using an appropriate primer.

Example 3-3 : Hybridization Reaction

Male infertility-related DNA and fluorescently labeled sample DNA attached to the glass plate were hybridized: The glass plate with male infertility-related DNA was left in 1x SSC solution for 1 minute, treated with 60 mJ of UV, and then 45 mL of 1-methyl- After dissolving 0.314 g of succinic anhydride in 2 pyrrolidin (1-methyl-2 pyrrolidone), 5 mL of 1M sodium borate was added thereto, and the resultant was allowed to stand for 15 minutes. Then, the glass plate was heated in distilled water at 95 ° C. for 2 minutes, immediately placed in ethanol, and centrifuged at 500 rpm and 25 ° C. for 2 minutes to remove water from the glass plate. 450 μl of TE buffer solution was added to the fluorescently labeled sample DNA by the method of Example 3-2, and concentrated using Micron-30 (Micron-30, Millipore, USA). 1.3 μl of 20 × SSC and 0.3 μl of 10% SDS were added to the concentrated sample DNA, mixed with a microarray, and placed on a glass plate attached with the electrical male infertility-related DNA, and then covered with a cover glass. ), And incubated at 65 ° C. for 5 hours to hybridize male infertility-related DNA and fluorescently labeled sample DNA attached to the glass plate. After 5 hours, the hybridized electrical glass plates were washed for 6 minutes in a 2 × SSC / 0.2% SDS solution, washed for 1 minute at 0.05 × SSC, and then centrifuged at 500 rpm, 25 ° C. for 2 minutes. DNA from glass plate dried by centrifugation Scanning was performed with a chip scanner (Axon, USA).

In addition, hybridization of the sample DNA attached to the glass plate and the fluorescently labeled male infertility-related DNA instead of the male infertility-related DNA was performed in the same manner as described above.

Example 4 Analysis of Deletion in DNA Related to Male Infertility of Samples

Using the SPGY1, SY127, SY158, SY254, SY255, MK5 and SRY present in the AZF site associated with male infertility, the deletion of the male infertility related DNA in the sample was analyzed in the same manner as in Example 3 above.

Example 4-1 Analysis of Deletion in Male Infertility-Related DNA of Samples Using Fluorescently Labeled Sample DNA

SPGY1, SY127, SY158, SY254, SY255 and MK5 were attached to the glass plate and hybridized with the sample genes to analyze the deletion of male infertility related DNA in the sample: primer 5 'for amplifying male infertility related DNA and sample DNA. -TTCACATACAGCCATTAAGTTTAGC-3 ': SPGY1a (SEQ ID NO: 37), 5`-ACAATTTTGATAGTCTGAACACAAGC-3': SPGY1b (SEQ ID NO: 38), 5'-TAGAGGCTAGGCTCACAAAC-3 ': SY127a (SEQ ID NO: 39), 5'-AAGCTGAGCAC : SY127b (SEQ ID NO: 40), 5`-CTCAGAAGTCCTCCTAATAGTTCC-3 ': SY158a (SEQ ID NO: 41), 5'-ACAGTGGTTTGTAGCGGGTA-3': SY158b (SEQ ID NO: 42), 5'-GGGTGTTACCAGAAGGCAAA-3 ': SY254a (SEQ ID NO: 43), 5'-GACCGTATCTACCAAAGCAGCA-3 ': SY254b (SEQ ID NO: 44), 5'-GTGCTGAGTTACAGGATTCG-3': SY255a (SEQ ID NO: 45), 5'-TATGTGCTCGTCATGTGCAG-3 ': SY255b (SEQ ID NO: 46), 5' -CACGCATATAGTAATACACGAGATA-3 ': MK5a (SEQ ID NO: 47) and 5'-AGATGCCACATAACTTGAGC-3': MK5b (SEQ ID NO: 48) were produced (Gennote, Korea). Then, amplify and purify the electric male infertility-related DNA in the same manner as in Example 3-1, attach it to a glass plate, and amplify and fluoresce the sample DNA in the same manner as in Example 3-2. In the same manner as in Example 3-3, the male infertility-related DNA attached to the glass plate and the fluorescently labeled sample DNA were hybridized, and the results were confirmed by fluorescence analysis. Figure 2 is a photograph showing the results of analyzing the deletion of the male infertility-related DNA of the sample using the fluorescently labeled sample DNA. As shown in Figure 2, the normal person shows fluorescence in all relevant DNA, while in the patient it can be seen that only fluorescence in MK5, SY127 and SY134. From this result, the patient can confirm that the deletion occurred in SY158, SY254, SY255 and SPGY1, and thus the patient can be diagnosed as male infertility.

Example 4-2 Analysis of Deletion in Male Infertility-Related DNA of Samples Using Fluorescently Labeled Male Infertility-Related DNA

Through the hybridization of SPGY1, SY127, SY158, SY254, SY255, MK5 and SRY with sample DNA attached to the glass plate, the deletion of the male infertility related DNA of the sample was analyzed: primers for amplifying male infertility related DNA and sample DNA. 5′-TTCACATACAGCCATTAAGTTTAGC-3 ′: SPGY1a (SEQ ID NO: 37), 5′-ACAATTTTGATAGTCTGAACACAAGC-3 ′: SPGY1b (SEQ ID NO: 38), 5′-TAGAGGCTAGGCTCACAAAC-3 ′: SY127a (SEQ ID NO: 39), 5'- AAGCTGCAGGCAGTAATAAG-3 ': SY127b (SEQ ID NO: 40), 5`-CTCAGAAGTCCTCCTAATAGTTCC-3': SY158a (SEQ ID NO: 41), 5'-ACAGTGGTTTGTAGCGGGTA-3 ': SY158b (SEQ ID NO: 42), 5'-GGGTGTTACCAGAAGGCAAA-3 SY254a (SEQ ID NO: 43), 5'-GACCGTATCTACCAAAGCAGCA-3 ': SY254b (SEQ ID NO: 44), 5'- GTGCTGAGTTACAGGATTCG-3': SY255a (SEQ ID NO: 45), 5'-TATGTGCTCGTCATGTGCAG-3 ': SY255b (SEQ ID NO: 46 ), 5; -CACGCATATAGTAATACACGAGATA-3 ': MK5a (SEQ ID NO: 47), 5'- AGATGCCACATAACTTGAGC-3': MK5b (SEQ ID NO: 48), 5'-CATGAACGCATTCATCGTGTG-3 ': SRYa (SEQ ID NO: 13) and 5'- GGTCGATACTTATAATTCGGG-3 ': SRYb (SEQ ID NO: 14) was produced (Gennotek, Korea). Using the primers prepared above, amplify and purify the sample DNA in the same manner as in Example 3-1, attach it to a glass plate, and amplify and fluorescently label the male infertility-related DNA in the same manner as in Example 3-2. In the same manner as in Example 3-3, the sample DNA attached to the glass plate and the fluorescently labeled male infertility-related genes were hybridized, and the results were confirmed by fluorescence analysis. 3 shows the results of hybridizing the sample DNA attached to the glass plate and the SPGY1. Figure 3 is a photograph showing the results of analyzing the deletion of SPGY1 in male infertility-related DNA of the sample using fluorescently labeled male infertility-related DNA. As shown in FIG. 3, it can be seen that in the case of a normal person, all fluorescence is shown for SPGY1, while in the case of a patient, it is not fluorescence. From this result, the patient can confirm that the deletion occurred in SPGY1, and thus the patient can be diagnosed as male infertility.

As described and demonstrated in detail above, the present invention provides a male infertility diagnosis kit including a probe for detecting male infertility-related DNA or a solid support, to which a male infertility-related DNA is attached, a PCR mixture, and a washing buffer. It provides a method for analyzing the deletion of male infertility-related DNA using the male infertility diagnostic kit. According to the present invention, an enzyme for attaching a probe or male infertility-related DNA to a solid support, reacting sample DNA labeled with a biotin or fluorescent substance with DNA attached to an electrical solid support, and then reacting with the biotin By adding the substrate of the enzyme and measuring the enzymatic activity or by measuring the fluorescence of the fluorescent substance, large samples can be analyzed accurately and quickly.

Claims (14)

(i) a solid support attached with a probe comprising a nucleotide sequence of a primer for amplifying male infertility-related DNA; (ii) a PCR mixture consisting of primers, dNTPs, DNA polymerase and buffer for amplifying male infertility related DNA; (iii) an additional primer consisting of 15 to 30 bases located 3'-terminus than the site where the primer binds to the template DNA and having biotin bound to the 5'-end; (iv) substrates of strapavidin and markers bound to marker enzymes; And, (v) male infertility diagnostic kit comprising a wash buffer after PCR and a wash buffer after the labeling enzyme reaction. The method of claim 1, Characterized in that the solid support is made of plastic Male infertility diagnostic kit. The method of claim 1, The labeling enzyme is alkaline phosphatase, the substrate is p-nitrophenylphosphate (pNPP), 5-bromo-4-chloro-3-indolylphosphate (5-bromo-4-chloro -3-indolylphosphate) or naphthol AS-TR phosphate Male Infertility Diagnostic Kit, The method of claim 1, The labeling enzyme is peroxidase, the substrate is phenylenediamine, 3,3 ', 5,5'-tetramethylbenzidine (3,3', 5,5'-tetra methylbenzidine), Dianisidine, aminosalicylic acid, 3,3'-diaminobenzi dine, 3-amino-9-ethylcarbazole (3-amino-9- ethylcarbazole) or 4-chloro-1-naphthol, characterized in that Male infertility diagnostic kit. Method of analyzing the deletion of male infertility-related DNA using the male infertility diagnostic kit of claim 1 comprising the following steps: (i) Sample DNA was added to the solid support of the male infertility diagnostic kit of claim 1 together with the PCR mixture to carry out the first polymerase chain reaction (PCR), and immediately after the addition of additional primers to perform the second PCR, the support was then PCR. Washing with a wash buffer after; And, (ii) to the electro-washed support, by adding strapasevidin conjugated with the labeling enzyme, to the biotin bound to the additional primer, reacting with the substrate of the labeling enzyme, and then reacting with a buffer for washing after the labeling reaction. Washing, measuring the activity of the marker enzyme, and analyzing the deletion of male infertility related DNA. The method of claim 5, Sample DNA is characterized in that extracted from blood, semen or hair root cells Method for analyzing the deletion of male infertility-related DNA using the male infertility diagnostic kit of claim 1. The method of claim 5, The activity of the labeling enzyme is characterized in that it is measured by color development or absorption Method for analyzing the deletion of male infertility-related DNA using the male infertility diagnostic kit of claim 1. (i) microplates with attached probes (SEQ ID NOs: 28, 29, 30, 31, 32, 33, 34, 35 and 36); (ii) primers for amplifying male infertility-related DNA (SEQ ID NOs: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 and 18) ), a PCR mixture consisting of dNTP, Taq polymerase and buffer; (iii) additional primers (SEQ ID NOs: 19, 20, 21, 22, 23, 24, 25, 26, and 27) having biotin bound to the 5'-end; (iv) pNPP, which is a substrate of alkaline phosphatase bound strapavidin and an electroenzyme; And, (v) 0.5x SSC / 0.1% Tween 20 washing buffer after PCR and 150mM NaCl / 0.1% Tween 20 / 100mM Tris-HCl (pH 7.5) for washing buffer after enzyme reaction. . (i) a solid support with attached male infertility related DNA; (ii) a PCR mixture consisting of primers for amplifying male infertility related DNA, dNTP, fluorescently bound dNTP, DNA polymerase and buffer solution; And, (iii) male infertility diagnostic kit comprising a wash buffer solution after the hybridization reaction. The method of claim 9, Characterized in that the solid support is made of glass Male infertility diagnostic kit. The method of claim 9, DNTP conjugated with fluorescent material was aminodigoxi genie-9-dNTP (aminodigoxi genie-9-dNTP), coumarin-5-dUTP (coumarin-5-dUPT), cyanine-3-dNTP (cyanine-3-dNTP) Cyanine-5-dNTP, Cy5-dNTP, DNP-dNTP, fluorescein chlorotriazinyl-4-dUTP, fluorescein-dUTP dUTP), lisamine-dUTP (lissamine-dUTP), napthofluorescein-dUTP (napthofluorescein-dUTP), pyrene-dUTP (pyrene-dUTP), tetramethylrhodamine-6-dUTP (tetra methylrhodamine-6-dUTP) Or Texas red-dUTP (texas red-dUTP) Male infertility diagnostic kit. A method for analyzing the deletion of male infertility-related DNA using the male infertility diagnostic kit of claim 9 comprising the following steps: (i) mixing the sample DNA with the PCR mixture of the male infertility diagnostic kit of claim 9 and performing a PCR to fluoresce the sample DNA; And, (ii) adding the electrofluorescently labeled sample DNA to the solid support of the electrical male infertility diagnostic kit, and washing with a washing buffer after the hybridization reaction, followed by fluorescence analysis to analyze the deletion of male infertility related DNA. The method of claim 12, Sample DNA is characterized in that extracted from blood, semen or hair root cells The method of analyzing the deletion of male infertility-related DNA using the male infertility diagnostic kit of claim 9. (i) a glass plate attached with SPGY1, SY127, SY158, SY254, SY255, MK5 and SRY which are male infertility related DNA; (ii) primers for amplifying male infertility related DNA (SEQ ID NOs 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47 and 48), dNTP, Cy5-dCTP, Taq polymerase and PCR mixtures containing buffers; And, (iii) a male infertility diagnostic kit comprising a wash buffer solution 2x SSC / 0.2% SDS and 0.5x SSC after the hybridization reaction.