JP2022537540A - Sdc2遺伝子のメチル化検出方法 - Google Patents
Sdc2遺伝子のメチル化検出方法 Download PDFInfo
- Publication number
- JP2022537540A JP2022537540A JP2021574933A JP2021574933A JP2022537540A JP 2022537540 A JP2022537540 A JP 2022537540A JP 2021574933 A JP2021574933 A JP 2021574933A JP 2021574933 A JP2021574933 A JP 2021574933A JP 2022537540 A JP2022537540 A JP 2022537540A
- Authority
- JP
- Japan
- Prior art keywords
- methylation
- methylated
- primer
- gene
- pcr
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000011987 methylation Effects 0.000 title claims abstract description 91
- 238000007069 methylation reaction Methods 0.000 title claims abstract description 91
- 101150118392 sdc-2 gene Proteins 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 46
- 239000000523 sample Substances 0.000 claims abstract description 64
- 239000000203 mixture Substances 0.000 claims abstract description 28
- 230000000295 complement effect Effects 0.000 claims abstract description 13
- OPTASPLRGRRNAP-UHFFFAOYSA-N cytosine Chemical compound NC=1C=CNC(=O)N=1 OPTASPLRGRRNAP-UHFFFAOYSA-N 0.000 claims description 23
- 108090000623 proteins and genes Proteins 0.000 claims description 23
- 238000003753 real-time PCR Methods 0.000 claims description 19
- 239000003153 chemical reaction reagent Substances 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 16
- 238000012163 sequencing technique Methods 0.000 claims description 14
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical group OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 11
- ISAKRJDGNUQOIC-UHFFFAOYSA-N Uracil Chemical compound O=C1C=CNC(=O)N1 ISAKRJDGNUQOIC-UHFFFAOYSA-N 0.000 claims description 10
- 238000007855 methylation-specific PCR Methods 0.000 claims description 10
- 229940104302 cytosine Drugs 0.000 claims description 9
- 230000009870 specific binding Effects 0.000 claims description 8
- 101000692109 Homo sapiens Syndecan-2 Proteins 0.000 claims description 6
- 108091008324 binding proteins Proteins 0.000 claims description 6
- 238000007841 sequencing by ligation Methods 0.000 claims description 6
- 238000011282 treatment Methods 0.000 claims description 6
- 229940035893 uracil Drugs 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 claims 2
- 229940079826 hydrogen sulfite Drugs 0.000 claims 2
- 102000014914 Carrier Proteins Human genes 0.000 claims 1
- 108020004414 DNA Proteins 0.000 description 78
- 239000013615 primer Substances 0.000 description 60
- 206010009944 Colon cancer Diseases 0.000 description 37
- 150000007523 nucleic acids Chemical class 0.000 description 37
- 108020004707 nucleic acids Proteins 0.000 description 33
- 102000039446 nucleic acids Human genes 0.000 description 33
- 208000001333 Colorectal Neoplasms Diseases 0.000 description 29
- CTMZLDSMFCVUNX-VMIOUTBZSA-N cytidylyl-(3'->5')-guanosine Chemical compound O=C1N=C(N)C=CN1[C@H]1[C@H](O)[C@H](OP(O)(=O)OC[C@@H]2[C@H]([C@@H](O)[C@@H](O2)N2C3=C(C(N=C(N)N3)=O)N=C2)O)[C@@H](CO)O1 CTMZLDSMFCVUNX-VMIOUTBZSA-N 0.000 description 22
- 239000002987 primer (paints) Substances 0.000 description 18
- 230000003321 amplification Effects 0.000 description 17
- 238000003199 nucleic acid amplification method Methods 0.000 description 17
- 206010028980 Neoplasm Diseases 0.000 description 14
- 108091029523 CpG island Proteins 0.000 description 13
- 230000035945 sensitivity Effects 0.000 description 10
- 230000010261 cell growth Effects 0.000 description 9
- 201000011510 cancer Diseases 0.000 description 8
- 210000004027 cell Anatomy 0.000 description 8
- 208000029742 colonic neoplasm Diseases 0.000 description 8
- 230000014509 gene expression Effects 0.000 description 8
- 208000005016 Intestinal Neoplasms Diseases 0.000 description 7
- 230000005856 abnormality Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000003745 diagnosis Methods 0.000 description 7
- 201000002313 intestinal cancer Diseases 0.000 description 7
- 230000000968 intestinal effect Effects 0.000 description 7
- 210000004369 blood Anatomy 0.000 description 6
- 239000008280 blood Substances 0.000 description 6
- 239000002773 nucleotide Substances 0.000 description 6
- 125000003729 nucleotide group Chemical group 0.000 description 6
- 238000011895 specific detection Methods 0.000 description 6
- 102000023732 binding proteins Human genes 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 238000009396 hybridization Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- LRSASMSXMSNRBT-UHFFFAOYSA-N 5-methylcytosine Chemical compound CC1=CNC(=O)N=C1N LRSASMSXMSNRBT-UHFFFAOYSA-N 0.000 description 4
- 108091029430 CpG site Proteins 0.000 description 4
- 239000003155 DNA primer Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000013211 curve analysis Methods 0.000 description 4
- VUIKXKJIWVOSMF-GHTOIXBYSA-N d(CG)12 Chemical group O=C1N=C(N)C=CN1[C@@H]1O[C@H](CO)[C@@H](OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C3=C(C(NC(N)=N3)=O)N=C2)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C(N=C(N)C=C2)=O)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C3=C(C(NC(N)=N3)=O)N=C2)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C(N=C(N)C=C2)=O)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C3=C(C(NC(N)=N3)=O)N=C2)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C(N=C(N)C=C2)=O)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C3=C(C(NC(N)=N3)=O)N=C2)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C(N=C(N)C=C2)=O)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C3=C(C(NC(N)=N3)=O)N=C2)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C(N=C(N)C=C2)=O)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C3=C(C(NC(N)=N3)=O)N=C2)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C(N=C(N)C=C2)=O)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C3=C(C(NC(N)=N3)=O)N=C2)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C(N=C(N)C=C2)=O)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C3=C(C(NC(N)=N3)=O)N=C2)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C(N=C(N)C=C2)=O)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C3=C(C(NC(N)=N3)=O)N=C2)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C(N=C(N)C=C2)=O)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C3=C(C(NC(N)=N3)=O)N=C2)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C(N=C(N)C=C2)=O)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C3=C(C(NC(N)=N3)=O)N=C2)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C(N=C(N)C=C2)=O)OP(O)(=O)OC[C@@H]2[C@H](C[C@@H](O2)N2C3=C(C(NC(N)=N3)=O)N=C2)O)C1 VUIKXKJIWVOSMF-GHTOIXBYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000007481 next generation sequencing Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 108091032973 (ribonucleotides)n+m Proteins 0.000 description 3
- 230000007067 DNA methylation Effects 0.000 description 3
- 238000000018 DNA microarray Methods 0.000 description 3
- 108091028043 Nucleic acid sequence Proteins 0.000 description 3
- 102100026087 Syndecan-2 Human genes 0.000 description 3
- 238000001369 bisulfite sequencing Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 3
- 210000004962 mammalian cell Anatomy 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 108091033319 polynucleotide Proteins 0.000 description 3
- 102000040430 polynucleotide Human genes 0.000 description 3
- 239000002157 polynucleotide Substances 0.000 description 3
- 210000002966 serum Anatomy 0.000 description 3
- 238000001308 synthesis method Methods 0.000 description 3
- 108700028369 Alleles Proteins 0.000 description 2
- 101150082216 COL2A1 gene Proteins 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 102000012410 DNA Ligases Human genes 0.000 description 2
- 108010061982 DNA Ligases Proteins 0.000 description 2
- 108700039887 Essential Genes Proteins 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000013399 early diagnosis Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000002068 genetic effect Effects 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 238000012175 pyrosequencing Methods 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108700039691 Genetic Promoter Regions Proteins 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 206010027476 Metastases Diseases 0.000 description 1
- 108091034117 Oligonucleotide Proteins 0.000 description 1
- 238000012408 PCR amplification Methods 0.000 description 1
- 102000044209 Tumor Suppressor Genes Human genes 0.000 description 1
- 108700025716 Tumor Suppressor Genes Proteins 0.000 description 1
- JLCPHMBAVCMARE-UHFFFAOYSA-N [3-[[3-[[3-[[3-[[3-[[3-[[3-[[3-[[3-[[3-[[3-[[5-(2-amino-6-oxo-1H-purin-9-yl)-3-[[3-[[3-[[3-[[3-[[3-[[5-(2-amino-6-oxo-1H-purin-9-yl)-3-[[5-(2-amino-6-oxo-1H-purin-9-yl)-3-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)oxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(4-amino-2-oxopyrimidin-1-yl)oxolan-2-yl]methyl [5-(6-aminopurin-9-yl)-2-(hydroxymethyl)oxolan-3-yl] hydrogen phosphate Polymers Cc1cn(C2CC(OP(O)(=O)OCC3OC(CC3OP(O)(=O)OCC3OC(CC3O)n3cnc4c3nc(N)[nH]c4=O)n3cnc4c3nc(N)[nH]c4=O)C(COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3COP(O)(=O)OC3CC(OC3CO)n3cnc4c(N)ncnc34)n3ccc(N)nc3=O)n3cnc4c(N)ncnc34)n3ccc(N)nc3=O)n3ccc(N)nc3=O)n3ccc(N)nc3=O)n3cnc4c(N)ncnc34)n3cnc4c(N)ncnc34)n3cc(C)c(=O)[nH]c3=O)n3cc(C)c(=O)[nH]c3=O)n3ccc(N)nc3=O)n3cc(C)c(=O)[nH]c3=O)n3cnc4c3nc(N)[nH]c4=O)n3cnc4c(N)ncnc34)n3cnc4c(N)ncnc34)n3cnc4c(N)ncnc34)n3cnc4c(N)ncnc34)O2)c(=O)[nH]c1=O JLCPHMBAVCMARE-UHFFFAOYSA-N 0.000 description 1
- 238000000246 agarose gel electrophoresis Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000011319 anticancer therapy Methods 0.000 description 1
- 230000006907 apoptotic process Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012472 biological sample Substances 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 230000021164 cell adhesion Effects 0.000 description 1
- 230000022131 cell cycle Effects 0.000 description 1
- 238000002052 colonoscopy Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002380 cytological effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 230000006607 hypermethylation Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000000138 intercalating agent Substances 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000008611 intercellular interaction Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000968 medical method and process Methods 0.000 description 1
- 108020004999 messenger RNA Proteins 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000009401 metastasis Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 239000013642 negative control Substances 0.000 description 1
- 210000002381 plasma Anatomy 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000001082 somatic cell Anatomy 0.000 description 1
- CSABAZBYIWDIDE-UHFFFAOYSA-N sulfino hydrogen sulfite Chemical class OS(=O)OS(O)=O CSABAZBYIWDIDE-UHFFFAOYSA-N 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6876—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6844—Nucleic acid amplification reactions
- C12Q1/6848—Nucleic acid amplification reactions characterised by the means for preventing contamination or increasing the specificity or sensitivity of an amplification reaction
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6813—Hybridisation assays
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6813—Hybridisation assays
- C12Q1/6827—Hybridisation assays for detection of mutation or polymorphism
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6876—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes
- C12Q1/6883—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for diseases caused by alterations of genetic material
- C12Q1/6886—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for diseases caused by alterations of genetic material for cancer
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q2523/00—Reactions characterised by treatment of reaction samples
- C12Q2523/10—Characterised by chemical treatment
- C12Q2523/125—Bisulfite(s)
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q2525/00—Reactions involving modified oligonucleotides, nucleic acids, or nucleotides
- C12Q2525/10—Modifications characterised by
- C12Q2525/117—Modifications characterised by incorporating modified base
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q2600/00—Oligonucleotides characterized by their use
- C12Q2600/154—Methylation markers
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q2600/00—Oligonucleotides characterized by their use
- C12Q2600/158—Expression markers
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Genetics & Genomics (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Oncology (AREA)
- Hospice & Palliative Care (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
Description
SDC2遺伝子の大腸癌診断能力を評価するために、SDC2遺伝子のCpG島全体を代弁できる11セットのメチル化特異的検出プライマー及びプローブを設計し(表1)、メチル化特異的リアルタイムPCR(qMSP)を行った。そのために、20人の大腸癌患者手術組織からの癌組織とこれに連接する正常組織を使用し、これらからゲノムDNAを分離(QIAmp DNA mini kit,Qiagen)し、ゲノムDNA(2.0ug)にEZ DNA methylation-Gold kit(Zymo Research,USA)を用いてビスルフェートを処理した後、滅菌蒸留水10μlで溶出してメチル化特異的リアルタイムPCR(qMSP;Methylation-Specific real time PCR)に用いた。ビスルファイトで処理されたゲノムDNAを鋳型とし、表1で設計したメチル化特異的プライマー及びプローブを使用してqMSPを行った。qMSPは、Rotor-Gene Q PCR装備(Qiagen)を用いた。合計20μlPCR反応溶液(鋳型DNA、20ng;5X AptaTaq DNA Master(Roche Diagnostics)、4μl;PCRプライマー、2μl(2pmole/μl)、TaqManプローブ、2μl(2pmole/μl);D.W.10μl)を準備し、PCR条件は95℃、5分処理した後、95℃で15秒、適切なアニーリング温度(58℃~61℃)で1分として合計40回行った。PCR産物の増幅の有無は、CT(cycle threshold)値を測定して確認した。メチル化及び非メチル化対照DNAは、EpiTect PCR対照DNAセット(Qiagen,cat.no.59695)を使用し、サンプルDNAと共に試験した。内部対照遺伝子としてはCOL2A1遺伝子(Kristensen et al.,2008)を使用した。各サンプルのメチル化程度は、CT(Cycle threshold)値で測定した。
SDC2遺伝子の大腸癌診断能力を評価するために、実施例1で記載されたSDC2遺伝子のメチル化特異的検出プライマー及びプローブ(表1)を用いてメチル化特異的リアルタイムPCR(qMSP)を行った。そのために、20人の大腸癌患者(ヨンセ医療院セブランス病院)及び20人の正常人(ヨンセ医療院セブランス病院チェックアップ)の大便(stool)DNAを使用し、これらからゲノムDNAを分離(Stool DNA mini kit,Qiagen)し、前記ゲノムDNA(2.0ug)にEZ DNA methylation-Gold kit(Zymo Research,USA)を用いてビスルフェートを処理した後、滅菌蒸留水10μlで溶出してメチル化特異的リアルタイムPCR(qMSP;Methylation-Specific real time PCR)に用いた。qMSPは、実施例1に記載の方法で行った。
SDC2遺伝子の大腸癌診断能力を評価するために、実施例1に記載されたSDC2遺伝子のメチル化特異的検出プライマー及びプローブ(表1)を用いてメチル化特異的リアルタイムPCR(qMSP)を行った。そのために、10人の大腸癌患者(チュンナム大学校病院)及び10人の正常人(Innovative Research、米国)の血清各1mLからDNAを分離(Dynabead,Thermo Fisher)し、前記DNAにEZ DNA methylation-Gold kit(Zymo Research,USA)を用いてビスルファイトを処理した後、滅菌蒸留水10μlで溶出してメチル化特異的リアルタイムPCR(qMSP;Methylation-Specific real time PCR)に用いた。qMSPは、実施例1に記載の方法で行った。
SDC2遺伝子の大腸癌診断能力を評価するために、実施例1で記載されたSDC2遺伝子のメチル化特異的検出プライマー及びプローブ(表1)を用いてメチル化特異的リアルタイムPCR(qMSP)を行った。そのために、20人の大腸癌患者(ヨンセ医療院セブランス病院)及び20人の正常人(ヨンセ医療院セブランス病院チェックアップ)の大便(stool)DNAを使用し、これらからゲノムDNAを分離(Stool DNA mini kit,Qiagen)し、前記ゲノムDNA(2.0ug)にEZ DNA methylation-Gold kit(Zymo Research,USA)を用いてビスルファイトを処理した後、滅菌蒸留水10μlで溶出してメチル化特異的リアルタイムPCR(qMSP;Methylation-Specific real time PCR)に用いた。qMSPは、実施例1に記載の方法で行った。
SDC2遺伝子の大腸癌診断能力を評価するために、SDC2遺伝子のCpG島全体を代弁できる1,107セットのメチル化特異的検出プライマー及びプローブを設計し(表6)、メチル化特異的リアルタイムPCR(qMSP)を行った。そのために、ビスルファイトで変換させたヒトメチル化DNA及び非メチル化DNA(EpiTect PCR control DNA セット,Qiagen,Cat.no.59695)を用いて各プライマー及びプローブのSDC2遺伝子メチル化検出能力を評価した。前記DNA 20ngを滅菌蒸留水10μlに溶かした後、メチル化特異的リアルタイムPCR(qMSP;Methylation-Specific real time PCR)に用いた。qMSPは、Rotor-Gene Q PCR装備(Qiagen)を用いた。合計20μlのPCR反応溶液(鋳型DNA、20ng;5X AptaTaq DNA Master(Roche Diagnostics)、4μl;PCRプライマー、2μl(2pmole/μl)、TaqManプローブ、2μl(2pmole/μl);D.W.10μl)を準備し、PCR条件は95℃、5分処理した後、95℃で15秒、適切なアニーリング温度(58℃~61℃)で1分として合計40回行った。PCR産物の増幅の有無は、CT(cycle threshold)値を測定して確認した。内部対照遺伝子としてはCOL2A1遺伝子(Kristensen et al.,2008)を使用した。各サンプルのメチル化程度は、CT(Cycle t)値を用いてROC曲線分析(MedCalcプログラム、ベルギー)から各プライマー及びプローブセットの大腸癌診断に対する敏感度及び特異度を計算した。
Claims (17)
- 次の段階を含むSDC2遺伝子のメチル化を検出する方法:
(a)メチル化されたSDC2遺伝子と非メチル化されたSDC2遺伝子を互いに異なるように修飾させる一つ以上の試薬でサンプルを処理する段階;
(b)メチル化されたSDC2遺伝子を特異的に増幅するプライマーを処理する段階;及び
(c)前記(b)段階でプライマーによって特異的に増幅されたメチル化されたSDC2遺伝子に相補的にハイブリダイゼーション可能なプローブを処理する段階。 - 前記試薬は、ビスルファイト、ヒドロゲンスルファイト、ジスルファイト、又はこれらの組合せであることを特徴とする、請求項1に記載の方法。
- 前記試薬処理によって少なくとも一つのシトシン塩基がウラシル又はシトシンと異なる塩基に変換されることを特徴とする、請求項1に記載の方法。
- 前記(b)段階のプライマーは、一つ以上のCpGジヌクレオチドを含むことを特徴とする、請求項1に記載の方法。
- 前記(b)段階のプライマーは、配列番号1、4、7、10、13、16、19、22、25、28、31、及び34~1140からなる群から選ばれる配列を含むことを特徴とする、請求項1に記載の方法。
- 前記(b)段階のプライマーは、配列番号2、5、8、11、14、17、20、23、26、29、32、及び1141~1159からなる群から選ばれる配列をさらに含むことを特徴とする、請求項5に記載の方法。
- 前記(c)段階のプローブは、配列番号3、6、9、12、15、18、21、24、27、30、33、及び1160~1178からなる群から選ばれる配列を含むことを特徴とする、請求項1に記載の方法。
- 前記メチル化検出は、PCR、メチル化特異PCR(methylation specific PCR)、リアルタイムメチル化特異PCR(real time methylation specific PCR)、メチル化DNA特異的結合タンパク質を用いたPCR、メチル化DNA特異的結合抗体を用いたPCR、定量PCR、遺伝子チップ、シーケンシング、シーケンシングバイシンセシス及びシーケンシングバイライゲーションからなる群から選ばれる方法によって行われることを特徴とする、請求項1に記載の方法。
- 前記プローブに結合して蛍光を示す物質を検出して、SDC2遺伝子のメチル化を検出することを特徴とする、請求項1に記載の方法。
- メチル化されたSDC2遺伝子と非メチル化されたSDC2遺伝子を互いに異なるように修飾させる一つ以上の試薬;
前記メチル化されたSDC2遺伝子を特異的に増幅するプライマー;及び
前記プライマーによって特異的に増幅されたメチル化されたSDC2遺伝子に相補的にハイブリダイゼーション可能なプローブを含む、SDC2遺伝子のメチル化検出用組成物。 - 前記試薬は、ビスルファイト、ヒドロゲンスルファイト、ジスルファイト、又はこれらの組合せであることを特徴とする、請求項10に記載の組成物。
- 前記試薬処理によって少なくとも一つのシトシン塩基がウラシル又はシトシンと異なる塩基に変換されることを特徴とする、請求項10に記載の組成物。
- 前記プライマーは、一つ以上のCpGジヌクレオチドを含むことを特徴とする、請求項10に記載の組成物。
- 前記プライマーは、配列番号1、4、7、10、13、16、19、22、25、31、34、及び37~1143からなる群から選ばれる配列を含むことを特徴とする、請求項10に記載の組成物。
- 前記プライマーは、配列番号1144~1162からなる群から選ばれる配列をさらに含むことを特徴とする、請求項14に記載の組成物。
- 前記プローブは、配列番号1163~1181からなる群から選ばれる配列を含むことを特徴とする、請求項10に記載の組成物。
- 請求項10~16のいずれか一項に記載の組成物を含む、メチル化DNA検出用キット。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190072080A KR102280363B1 (ko) | 2019-06-18 | 2019-06-18 | Sdc2 유전자의 메틸화 검출방법 |
KR10-2019-0072080 | 2019-06-18 | ||
PCT/KR2020/006692 WO2020256293A1 (ko) | 2019-06-18 | 2020-05-22 | Sdc2 유전자의 메틸화 검출방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022537540A true JP2022537540A (ja) | 2022-08-26 |
JP7447155B2 JP7447155B2 (ja) | 2024-03-11 |
Family
ID=74037489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021574933A Active JP7447155B2 (ja) | 2019-06-18 | 2020-05-22 | Sdc2遺伝子のメチル化検出方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220325335A1 (ja) |
EP (1) | EP3992306A4 (ja) |
JP (1) | JP7447155B2 (ja) |
KR (1) | KR102280363B1 (ja) |
CN (1) | CN114008219A (ja) |
WO (1) | WO2020256293A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013509872A (ja) * | 2009-11-05 | 2013-03-21 | ゲノミクトリー インコーポレーテッド | 腸癌診断のための腸癌特異的メチル化マーカー遺伝子のメチル化検出方法 |
JP2016500521A (ja) * | 2012-11-07 | 2016-01-14 | ゲノミックツリー, インコーポレイテッド | 胃ポリープおよび胃癌特異的メチル化マーカー遺伝子を利用した胃ポリープおよび胃癌の検出方法 |
WO2017114150A1 (zh) * | 2015-12-31 | 2017-07-06 | 广州市康立明生物科技有限责任公司 | 一种肿瘤分子检测/诊断试剂 |
WO2018066910A1 (ko) * | 2016-10-06 | 2018-04-12 | (주)지노믹트리 | 메틸화 dna 다중 검출방법 |
WO2018194280A1 (ko) * | 2017-04-17 | 2018-10-25 | (주)지노믹트리 | SDC2(Syndecan 2) 유전자의 메틸화 검출방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10428388B2 (en) * | 2009-11-05 | 2019-10-01 | Genomictree, Inc. | Method for detecting the methylation of colorectal-cancer-specific methylation marker genes for colorectal cancer diagnosis |
KR101145406B1 (ko) * | 2011-07-06 | 2012-05-15 | (주)지노믹트리 | 장암 진단을 위한 장암 특이적 메틸화 마커 유전자의 메틸화 검출방법 |
CN105452485A (zh) * | 2013-08-14 | 2016-03-30 | 基因特力株式会社 | 用于检测癌前病损的方法 |
KR101561034B1 (ko) * | 2014-04-02 | 2015-10-15 | (주)지노믹트리 | 이노신 함유 변형 프라이머를 이용한 바이설파이트 처리에 의해 변환된 dna의 메틸화 검출방법 |
CN108410980B (zh) * | 2018-01-22 | 2022-02-01 | 华大数极生物科技(深圳)有限公司 | 筛选甲基化pcr检测的目标区域的方法、试剂盒及应用 |
CN108642180A (zh) * | 2018-05-21 | 2018-10-12 | 上海锐翌生物科技有限公司 | 检测sdc2基因甲基化的方法和试剂盒 |
CN109486955B (zh) * | 2018-12-29 | 2022-05-24 | 厦门厦维健康科技有限公司 | 一种用于粪便检测进展期腺瘤、结直肠癌相关基因甲基化位点的试剂盒 |
-
2019
- 2019-06-18 KR KR1020190072080A patent/KR102280363B1/ko active IP Right Grant
-
2020
- 2020-05-22 WO PCT/KR2020/006692 patent/WO2020256293A1/ko unknown
- 2020-05-22 EP EP20827018.1A patent/EP3992306A4/en active Pending
- 2020-05-22 CN CN202080045060.9A patent/CN114008219A/zh active Pending
- 2020-05-22 US US17/616,211 patent/US20220325335A1/en active Pending
- 2020-05-22 JP JP2021574933A patent/JP7447155B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013509872A (ja) * | 2009-11-05 | 2013-03-21 | ゲノミクトリー インコーポレーテッド | 腸癌診断のための腸癌特異的メチル化マーカー遺伝子のメチル化検出方法 |
JP2016500521A (ja) * | 2012-11-07 | 2016-01-14 | ゲノミックツリー, インコーポレイテッド | 胃ポリープおよび胃癌特異的メチル化マーカー遺伝子を利用した胃ポリープおよび胃癌の検出方法 |
WO2017114150A1 (zh) * | 2015-12-31 | 2017-07-06 | 广州市康立明生物科技有限责任公司 | 一种肿瘤分子检测/诊断试剂 |
WO2018066910A1 (ko) * | 2016-10-06 | 2018-04-12 | (주)지노믹트리 | 메틸화 dna 다중 검출방법 |
WO2018194280A1 (ko) * | 2017-04-17 | 2018-10-25 | (주)지노믹트리 | SDC2(Syndecan 2) 유전자의 메틸화 검출방법 |
Also Published As
Publication number | Publication date |
---|---|
EP3992306A1 (en) | 2022-05-04 |
EP3992306A4 (en) | 2023-11-08 |
KR20200144287A (ko) | 2020-12-29 |
WO2020256293A1 (ko) | 2020-12-24 |
US20220325335A1 (en) | 2022-10-13 |
KR102280363B1 (ko) | 2021-07-22 |
JP7447155B2 (ja) | 2024-03-11 |
CN114008219A (zh) | 2022-02-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK2918679T3 (en) | METHOD FOR DETECTING VENTRIC POLYCLE AND VENTRIC CANCER USING A MARKET REQUIREMENT FOR VENTRIC POLYCLE AND VENTRIC CANCER SPECIFIC METHYLING | |
US11186866B2 (en) | Method for multiplex detection of methylated DNA | |
JP5394409B2 (ja) | 肺癌特異的メチル化マーカー遺伝子を利用した肺癌検出方法 | |
KR102223014B1 (ko) | 전암병변의 검출방법 | |
EP2653547B1 (en) | Method for detecting methylation of a colorectal-cancer-specific methylation marker gene for colorectal cancer diagnosis | |
JP7522190B2 (ja) | 大腸癌検出方法 | |
EP3655552A1 (en) | Method of identifying metastatic breast cancer by differentially methylated regions | |
US9670552B2 (en) | Diagnosis kit and chip for bladder cancer using bladder cancer specific methylation marker gene | |
US20160145694A1 (en) | Method for detecting methylation of colorectal cancer specific methylation marker gene for colorectal cancer diagnosis | |
JP7447155B2 (ja) | Sdc2遺伝子のメチル化検出方法 | |
KR20230165469A (ko) | 폐암 검출 방법 | |
KR20240104309A (ko) | 폐암 특이적 메틸화 마커 유전자를 이용한 폐암 검출 방법 | |
KR20240104310A (ko) | 폐암 특이적 메틸화 마커 유전자를 이용한 폐암 검출 방법 | |
KR101200552B1 (ko) | 방광암 특이적 메틸화 마커 유전자를 이용한 방광암 진단용 키트 및 칩 | |
KR101200537B1 (ko) | 방광암 특이적 메틸화 마커 유전자를 이용한 방광암 진단용 키트 및 칩 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220216 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230207 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230501 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230801 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20231031 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20240206 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240228 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7447155 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |