WO2006064739A1 - 核酸増幅反応を行うための生物学的試料の処理方法 - Google Patents
核酸増幅反応を行うための生物学的試料の処理方法 Download PDFInfo
- Publication number
- WO2006064739A1 WO2006064739A1 PCT/JP2005/022676 JP2005022676W WO2006064739A1 WO 2006064739 A1 WO2006064739 A1 WO 2006064739A1 JP 2005022676 W JP2005022676 W JP 2005022676W WO 2006064739 A1 WO2006064739 A1 WO 2006064739A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nucleic acid
- biological sample
- sample
- solution
- gene
- 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.)
- Ceased
Links
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
- C12Q1/6806—Preparing nucleic acids for analysis, e.g. for polymerase chain reaction [PCR] assay
Definitions
- the present invention provides a nucleic acid derived from a target gene without separating and purifying the nucleic acid from the sample by a complicated process as in the prior art when amplifying a nucleic acid that may be contained in a biological sample. It is related with the processing method for extracting easily from a sample. Furthermore, the present invention relates to a method for amplifying a nucleic acid using the treatment method.
- Intestinal flora and pathogenic bacteria, viruses, or other gene fragments present in mammalian digestive tract mucosal cells, malignant neoplastic cells, neoplastic cells, and secretions It is very useful for understanding the health status of individuals and for early detection of malignant neoplasms.
- the current technology for separating and purifying genes in stool is cumbersome and laborious.
- Nucleic acids isolated from stool force are generally obtained by dissolving stool in an alkaline lysate, centrifuging, and destroying alcohol.
- nucleic acids from microorganisms are isolated by washing the sample with a phosphate buffer (PBS) or the like, crushing the cells by the salt benzil method, denaturing the protein, and precipitating with alcohol. It was broken. However, it has been pointed out that this method hardly recovers nucleic acid from some bacteria such as Gram-positive cocci.
- PBS phosphate buffer
- Non-patent Document 2 a method of crushing bacterial cells by collecting beads with a diameter of about 0.1 mm and shaking vigorously in the presence of phenol. According to this method, nucleic acids can be efficiently isolated from a wide variety of species.
- MagExtractor manufactured by Toyobo
- QIAamp Stool DNA Isolation Kit manufactured by QIAGEN
- the former has a problem that the yield of nucleic acid is poor because the nucleic acid adsorbed on the beads is recovered with magnetic beads after the cells are crushed with beads.
- the latter is a method in which cell membrane proteins are denatured by heating and nucleic acids are isolated, but this method also has a problem in yield.
- Patent Document 1 There is also a method for extracting nucleic acids by using beads and gel filtration (Patent Document 1). Force The complexity of the work process and the direct workability cannot be avoided.
- Patent Document 2 a method for extracting fecal force and DNA using a piece of dry filter paper.
- the filter paper described in this document contains a stool sample that is not directly related to DNA extraction, and can be easily collected for handling such as transportation and storage by enclosing it in a plastic bag. Is. In order to extract DNA from stool samples contained in filter paper, the following steps (1) to (4) are required.
- Non-Patent Literature 1 Sidransky D. et. Al. 1992.Identincation of ras oncogene mutations in the stool of patients with curable colorectal tumors. Science. Apr. 3; 256 (5053): 102
- Non-Patent Document 2 Wilson, K. ⁇ . And R. ⁇ . Blithington. 1996. Human colonic biota studied by ribosomal DNA sequence analysis. Appl. Environ. Micro Diol. 62: 2273-2278 — Publication No. 306175
- Patent Document 2 JP 2001-221721 A
- the problem to be solved by the present invention is to separate and purify nucleic acid such as sample force DNA by a complicated process when amplifying a nucleic acid derived from a target gene that may be contained in a biological sample. It is to establish and provide a treatment method for extracting nucleic acids easily.
- the present inventors have conducted extensive research, and as a result, dissolved a biological sample in a lysis solution, and contained the lysis solution in a carrier for development, thereby inhibiting the reaction. And the nucleic acid contained in the sample is separated and adsorbed on the development carrier, the development carrier can be directly used for the nucleic acid amplification reaction, and it may be contained in a biological sample.
- the method of the present invention was completed by successfully amplifying a nucleic acid derived from a target gene simply and efficiently.
- the present invention comprises the following.
- a method of processing a biological sample to amplify nucleic acid derived from a gene that may be contained in the biological sample including the following steps:
- a method for analyzing a gene present in a biological sample wherein a target gene is identified from the nucleic acid amplification product obtained by the amplification method described in item 4 above.
- a nucleic acid derived from a target gene can be easily extracted from a biological sample without being separated and purified by a complicated process as in the past, and a nucleic acid amplification reaction can be performed. It becomes.
- FIG. 1 is an explanatory diagram for preparing a stool solution by adding stool to a sample dissolution buffer.
- FIG. 2 is a view showing a state where a fecal lysate is centrifuged and separated into a supernatant and a precipitate.
- FIG. 3 is a view showing a state in which a developing carrier is immersed in a supernatant portion of a stool solution, and the developing carrier including the supernatant portion is dried.
- FIG. 4 is a view showing a state in which a nucleic acid is extracted by immersing a development carrier including a supernatant portion in a PCR buffer solution.
- FIG. 5 is a diagram showing an example of a sample solution when stool is used as a sample. (Example 1)
- FIG. 6 is a diagram showing an example of a sample solution adsorbed and dried using a developing carrier.
- FIG. 7 shows the results of amplification of the KRAS gene.
- FIG. 8 shows the results of BRAF gene amplification.
- FIG. 9 shows the results of amplification of ThrA gene (derived from E. coli). (Example 2)
- FIG. 10 shows the results of simultaneous amplification of KRAS gene and BRAF gene. (Example 2) Explanation of symbols
- biological sample refers to tissues, blood, serum, feces, urine, semen, sputum, saliva, nasal discharge, cerebrospinal fluid, tears, and other body fluids collected from mammals. Particularly preferred is feces. Feces are excrement obtained from mammals. Feces include intestinal mucosa cells, blood cells, intestinal cell flora, pathogenic microorganisms (eg, bacteria and viruses), and intestinal neoplasia (including colon cancer and polyps).
- genes that may be contained in a biological sample refers to various disease-related genes and microorganism-related genes that may be contained in a biological sample. Examples include genes causing genetic diseases, genes derived from colon cancer tissue, genes derived from resident bacteria (microbes, viruses, etc.), and the like.
- a “gene-derived nucleic acid” is almost synonymous with a gene, but a DNA fragment or an RNA fragment containing a desired position necessary for analysis is not necessary, rather than a complete gene sequence. .
- the biological sample processing method of the present invention is based on a method including at least the following steps.
- Step (a) lysing the biological sample with a lysis buffer
- Step (b) A step of including a sample solution in which a biological sample is dissolved in a developing carrier;
- Step (c) A step of bringing the obtained carrier for development directly into contact with a nucleic acid amplification reaction solution containing a target nucleic acid-specific primer.
- the biological sample in order to dissolve the solid matter contained in the sample, the biological sample is first dissolved.
- lysis solution a known solution can be used.
- Tris-EDTA buffer or 8.4% (1M) sodium bicarbonate solution can be used as a stool sample solution, and a solution having a pH value of about 9 containing Tris-EDTA buffer is preferable.
- the amount of lysate added to the biological sample can be determined in relation to the amount of sample. For example, a solution of about 0.1 to 100, preferably 1 to 30 and more preferably about 3 to 7 liters per lmg of sample can be used. The obtained solution is called a sample solution.
- the sample solution is preferably further heated as desired.
- the heating is, for example, 60 to 95. C, can be performed for 10 minutes to 10 hours.
- the sample solution that has been or has not been subjected to the heat treatment can be centrifuged, and the supernatant can be collected and subjected to the next step. Centrifugation may be appropriately performed at a rotational speed of about 3,000 to 8,000 rpm, preferably 4,000 to 6, OOO rpm, more preferably about 5,000 rpm for 1 to 5 minutes.
- the sample solution obtained by the above step (a) or the supernatant of the sample solution obtained by centrifugation is contained in the developing carrier.
- the “developing carrier” is not particularly limited as long as it can separate a component necessary for analysis and an unnecessary component by contacting a sample solution or a supernatant.
- the developing carrier having such a function is desirably one having a retention particle diameter of 1 to 7 m.
- the retained particle size here refers to the value obtained from the leaked particle size when barium sulfate or the like specified in JIS P 3801 [filter paper (for chemical analysis)] is naturally filtered.
- An example of such a developing carrier is filter paper (retained particle diameter of 1 to 7 m).
- the filter paper is not limited to paper, and examples thereof include liquid separation filter paper, chromatographic filter paper, glass fiber filter paper, composite fiber filter paper, silica fiber filter paper, polyflon filter, and cylindrical filter paper. Further, a filter paper having anion exchange ability may be used. Examples of commercially available products include ADVANTEC standard filter papers No. 2 and No. 26, and high purity filter paper No. 5B.
- the size of the developing carrier depends on the amount of the sample solution. In general, a strip of 10 to 200 mm in length and 1 to 10 mm in width is preferably used.
- the thickness of the development carrier is generally 0.2 to 0.8 mm fc.
- step (a) "Including the sample solution in the developing carrier” means immersing 2 to 10 mm of the tip of the developing carrier in the sample solution or supernatant obtained in the above step (a) for 0.5 to 3 seconds. It means to be immersed in.
- the sample solution or supernatant soaked in the development carrier is naturally developed by the surface tension of the development carrier, and the nucleic acid contained in the sample solution is separated.
- the nucleic acid can be separated from the amplification reaction inhibitory substance, such as rot acid, present in the sample solution with the use of the carrier for expansion.
- a hanging process may be performed under suction conditions using, for example, a vacuum pump. Deployment is sufficient at room temperature, but humidity 40
- the developing carrier containing the sample solution or the supernatant can be dried as necessary.
- it can be dried under the above suction conditions, or it can be dried by air drying.
- the development carrier obtained by the above step (b) is used as a nucleus containing a target nucleic acid-specific primer.
- Contact the acid amplification reaction solution For example, immerse the carrier for development containing the supernatant of the sample solution in the nucleic acid amplification reaction solution in step (c)!
- a development carrier containing a sample solution for example, a stool solution
- the portion of the development carrier colored by contact with the stool solution is lightly colored. What is necessary is just to immerse in the said nucleic acid amplification reaction solution.
- the "nucleic acid amplification reaction solution” may be a reaction solution used in a desired nucleic acid amplification method.
- a currently known method can be applied as the nucleic acid amplification method.
- PCR method Science, 230: 1350-1354, 1985
- NASBA method Nucleic Acid Sequence Based Amplification method, Nature, 350, 91-92, 1991
- LAMP method Japanese Patent Laid-Open No. 2001-242 169.
- the PCR method can be preferably applied.
- the PCR method will be described as an example.
- the desired nucleic acid can be extracted into the nucleic acid reaction solution.
- the extracted nucleic acid can be subjected to the nucleic acid amplification treatment by either of the following methods (i) or (ii). You can choose which method to use depending on the situation.
- a PCR buffer can be used as the nucleic acid amplification reaction solution.
- Ampdirect crude DNA buffer (Shimadzu Corporation) is preferably used, but not limited to this, widely known PCR buffers can be used.
- step (b) Method of performing nucleic acid amplification treatment by immersing the development carrier obtained in step (b) in the nucleic acid amplification reaction solution for 0 seconds, and then removing the development carrier.
- step (ii) A method in which a necessary portion of the development carrier obtained in step (b) is cut out and nucleic acid amplification treatment is performed while the cut out development carrier is immersed in a nucleic acid amplification reaction solution.
- the reaction solution soaked with the above-described carrier for development contains a target nucleic acid-specific primer, the reaction solution is directly applied to a nucleic acid amplification processing apparatus to cause a nucleic acid amplification reaction. Can do.
- the present invention also includes detecting and identifying the target gene using the nucleic acid amplification product obtained by the above method. For example, by performing hybridization using a DNA chip, a clone library method, denatured radish endogel electrophoresis (DGGE method), temperature dalaziendo gel electrophoresis (TGGE) method, SSCP method, for example, Various genetic diseases and tumors It is possible to detect and identify a disease or a specific microorganism that constitutes a microflora in feces.
- DGGE method denatured radish endogel electrophoresis
- TGGE temperature dalaziendo gel electrophoresis
- SSCP method for example, Various genetic diseases and tumors It is possible to detect and identify a disease or a specific microorganism that constitutes a microflora in feces.
- the biological sample is feces
- various disease-related gene markers such as genes present in the feces, tumor markers in the feces, and microorganism-related genes such as E. coli. .
- the present invention extends to a reagent kit including a biological sample dissolving solution and a nucleic acid separation developing carrier that can be used in the nucleic acid amplification method.
- sample lysis buffer 500 mmol / L Tris-HC1, 16 mmol / L EDTA, lOmmol / L NaCl, pH 9.0 (sample lysis buffer) was prepared.
- LOOmg of stool was taken in a 1.5 ml tube and 500 L of sample dissolution buffer was added to dissolve the stool.
- About 20 liters of sample dissolution buffer is desirable for 20 mg of stool to be dissolved.
- a sample solution obtained by dissolving stool was heat-treated at 95 ° C for 10 minutes. After further centrifugation at 5,000 rpm for 5 minutes, the developing carrier was immersed in the supernatant of the sample solution.
- the KRAS and BRAF genes present in feces and the thrA gene derived from E. coli were amplified. Rinse the fecal solution supernatant with the spreading carrier part immersed in 50 L of Ampdirect crude DNA buffer (Shimadzu Corporation), which is a buffer solution for each PCR containing the following primers (A) to (D): DNA was extracted.
- Ampdirect crude DNA buffer Shiadzu Corporation
- FK-F 5'-TGACTGAATATAAACTTGTGGTAG (SEQ ID NO: 1)
- FK-106R 5'- ATTGTTGGATCATATTCGTC (SEQ ID NO: 2)
- FB-F 5'- TAGGTGATTTTGGTCTAGCT (SEQ ID NO: 3)
- FB-115R 5 -ATCAGTGGAAAAATAGCCTC (SEQ ID NO: 4)
- thrA-F 5 CCCCGCCAAAATCACCAACCATCT (SEQ ID NO: 5)
- thrA-101R 5'- CGGCAAAAATACGTTCGGCATCG (SEQ ID NO: 6)
- nucleic acid amplification method of the present invention it is possible to quickly and sensitively perform tests necessary for genetic diagnosis, early cancer diagnosis, infectious disease diagnosis and the like.
- the method of the present invention genetic diagnosis of various biological samples, particularly fecal force, can be performed very easily and reliably.
- feces with unique information which is unique to other biological samples, can be used practically and simply as a non-invasive DNA material is an operation that is useful for the diagnosis of various diseases. Enables the processing of large numbers of specimens. Therefore, it can be applied to various types of screening for colorectal cancer and the like in the normal population, and it is also possible to quickly detect causes such as mass-onset infections.
- the method of the present invention has contributed to preventive medicine, which has become increasingly important in recent years, and has led to mass outbreaks. Application to rapid diagnosis of infectious diseases that occur is expected.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Immunology (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Biotechnology (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-359468 | 2004-12-13 | ||
| JP2004359468A JP2006166711A (ja) | 2004-12-13 | 2004-12-13 | 糞便由来遺伝子の簡便増幅方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006064739A1 true WO2006064739A1 (ja) | 2006-06-22 |
Family
ID=36587795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/022676 Ceased WO2006064739A1 (ja) | 2004-12-13 | 2005-12-09 | 核酸増幅反応を行うための生物学的試料の処理方法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006166711A (ja) |
| WO (1) | WO2006064739A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011019505A (ja) * | 2009-01-29 | 2011-02-03 | Mukogawa Gakuin | 特定遺伝子を検出する方法 |
| JP2012157295A (ja) * | 2011-02-01 | 2012-08-23 | Mukogawa Gakuin | 遺伝子の増幅方法、特定遺伝子の検出方法 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015019952A1 (ja) * | 2013-08-06 | 2015-02-12 | 東洋紡株式会社 | 核酸増幅法 |
| JP7403948B2 (ja) * | 2018-10-31 | 2023-12-25 | 公益財団法人筑波メディカルセンター | 試料の前処理方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4483920A (en) * | 1982-05-17 | 1984-11-20 | Hahnemann University | Immobilization of message RNA directly from cells onto filter material |
| JPH08504081A (ja) * | 1992-04-01 | 1996-05-07 | ザ ジョーンズ ホプキンズ ユニバーシティー スクール オブ メディシン | 糞便試料から単離した哺乳類の核酸を検出する方法、およびその検出用試薬 |
| JP2001221721A (ja) * | 2000-02-09 | 2001-08-17 | Sapporo Imuno Diagnostic Laboratory:Kk | 乾燥濾紙便による遺伝子診断 |
| JP2002306175A (ja) * | 2001-04-11 | 2002-10-22 | Yakult Honsha Co Ltd | 核酸の単離方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8900725A (nl) * | 1989-03-23 | 1990-10-16 | Az Univ Amsterdam | Werkwijze en combinatie van middelen voor het isoleren van nucleinezuur. |
| JP2004201607A (ja) * | 2002-12-26 | 2004-07-22 | Asahi Kasei Corp | 核酸吸着固相体上でのlamp反応 |
-
2004
- 2004-12-13 JP JP2004359468A patent/JP2006166711A/ja active Pending
-
2005
- 2005-12-09 WO PCT/JP2005/022676 patent/WO2006064739A1/ja not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4483920A (en) * | 1982-05-17 | 1984-11-20 | Hahnemann University | Immobilization of message RNA directly from cells onto filter material |
| JPH08504081A (ja) * | 1992-04-01 | 1996-05-07 | ザ ジョーンズ ホプキンズ ユニバーシティー スクール オブ メディシン | 糞便試料から単離した哺乳類の核酸を検出する方法、およびその検出用試薬 |
| JP2001221721A (ja) * | 2000-02-09 | 2001-08-17 | Sapporo Imuno Diagnostic Laboratory:Kk | 乾燥濾紙便による遺伝子診断 |
| JP2002306175A (ja) * | 2001-04-11 | 2002-10-22 | Yakult Honsha Co Ltd | 核酸の単離方法 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011019505A (ja) * | 2009-01-29 | 2011-02-03 | Mukogawa Gakuin | 特定遺伝子を検出する方法 |
| JP2012157295A (ja) * | 2011-02-01 | 2012-08-23 | Mukogawa Gakuin | 遺伝子の増幅方法、特定遺伝子の検出方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006166711A (ja) | 2006-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1169479B1 (en) | Methods for detecting nucleic acids indicative of cancer | |
| JP5416110B2 (ja) | invivo細胞死を検出するためにmiRNAを使用する方法 | |
| Ye et al. | The current status and trends of DNA extraction | |
| US5731150A (en) | IS6110 based molecular detection of mycobacterium tuberculosis | |
| US7374881B2 (en) | Method for collecting and using nuclear mRNA | |
| CN113355321A (zh) | 用于分离细胞外核酸的快速方法 | |
| US20050277130A1 (en) | Post protein hydrolysis removal of a potent ribonuclease inhibitor and the enzymatic capture of DNA | |
| JP2019521640A (ja) | タンパク質系試料回収マトリックス及び装置 | |
| US20240327900A1 (en) | Bodily fluid target enrichment | |
| EP2776577A1 (en) | Lysis method and lysis composition | |
| CN106232812A (zh) | 短链核酸的回收方法 | |
| US20190085318A1 (en) | Solid phase negative enrichment | |
| CN106222267A (zh) | 检测肝癌的组合物及其用途 | |
| CN110343754A (zh) | 一种用于造血干细胞移植供体病原微生物快速检测的方法 | |
| CN111386362B (zh) | 一种体液游离dna的文库构建方法及其应用 | |
| EP2951314B1 (en) | Solid medium for the storage of biological material | |
| WO2006064739A1 (ja) | 核酸増幅反応を行うための生物学的試料の処理方法 | |
| JP2005531328A (ja) | デジタルタンパク質短縮アッセイ法による疾患の検出 | |
| KR101912488B1 (ko) | 분자 검출 분석법 | |
| CN101076605B (zh) | 基因的甲基化检测方法以及通过甲基化检测进行的瘤形成的检测方法 | |
| CN117535377A (zh) | 转化胞嘧啶的方法及其用途 | |
| CN116590471A (zh) | 一种基于特异pcr检测早期乙肝转肝癌的检测装置及方法 | |
| CN115976011A (zh) | 尿液中dna的提取方法、试剂盒及基因标志物在制备诊断膀胱癌的试剂盒中的应用 | |
| JPH11142409A (ja) | 病原性微生物の検出方法 | |
| HK40027752B (zh) | 一种体液游离dna的文库构建方法及其应用 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KM KN KP KR KZ LC LK LR LS LT LU LV LY MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| DPE1 | Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101) | ||
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 05814473 Country of ref document: EP Kind code of ref document: A1 |
|
| DPE1 | Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101) |