WO2008001888A1 - Method for pre-treatment of serum for analysis of sugar chain - Google Patents
Method for pre-treatment of serum for analysis of sugar chain Download PDFInfo
- Publication number
- WO2008001888A1 WO2008001888A1 PCT/JP2007/063100 JP2007063100W WO2008001888A1 WO 2008001888 A1 WO2008001888 A1 WO 2008001888A1 JP 2007063100 W JP2007063100 W JP 2007063100W WO 2008001888 A1 WO2008001888 A1 WO 2008001888A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- protein
- sugar chain
- formula
- sample
- enzyme
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/02—Sulfonic acids having sulfo groups bound to acyclic carbon atoms
- C07C309/03—Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
- C07C309/13—Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
- C07C309/14—Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton
- C07C309/15—Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton containing amino groups bound to the carbon skeleton the nitrogen atom of at least one of the amino groups being part of any of the groups, X being a hetero atom, Y being any atom
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P19/00—Preparation of compounds containing saccharide radicals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/66—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood sugars, e.g. galactose
Definitions
- the present invention relates to a reagent for treating a sample isolated from a living body and a pretreatment method prior to the sugar chain structure analysis.
- N-glycan free enzymes such as peptide N-glycosidase F (PNGaseF)
- PNGaseF peptide N-glycosidase F
- a method of cleaving hydrazine and a method of chemically dehydrating hydrazine There are known a method of cleaving hydrazine and a method of chemically dehydrating hydrazine.
- an enzymatic method can be used more favorably than a chemical method because it can be cut out without being affected by the size and structure of the sugar chain moiety in the substrate, but the sugar protein is complex.
- the sugar chain part is surrounded by the secondary and Z or tertiary structure of the protein, and as a result, enzymatic digestion by N-type sugar chain free enzymes is often prevented.
- Reductive alkylation can be an important pretreatment to simplify the complex tertiary structure of proteins and promote enzymatic digestion.
- urea and a surfactant such as sodium dodecyl sulfate (SDS)
- SDS sodium dodecyl sulfate
- Fragmentation of the protein portion with a proteolytic enzyme such as trypsin is also useful as a pretreatment. Often used in combination with the above reduced alkyl group, urea And residual Z or SDS prevents trypsin digestion.
- ALS acid-decomposable surfactant
- a sulfonate suitable for use in the present invention is a kind of surfactant, and its use as a detergent is already known (see Patent Document 2), but it functions as a protein denaturant and will be described later. It is totally known about the action that promotes reductive alkylation and digestion by proteolytic enzymes, and can efficiently release sugar chains from sugar proteins!
- Patent Document 1 PCT International Publication No. WO03Z102225
- Patent Document 2 PCT International Publication No. WO03Z082811
- a newly developed protein solubilizer, ALS is characterized by being easily decomposed by acid treatment after enzymatic digestion and easily removed.
- the ketone body produced by the acid treatment hinders the analysis of the sugar chain.
- An object of the present invention is to provide a new protein solubilizing agent that does not impair the excellent solubilizing ability of ALS, is stable to acids, and does not hinder sugar chain analysis.
- Another object of the present invention is to provide a pretreatment method for analyzing a sugar chain of a glycoprotein using the protein solubilizer. Means for solving the problem
- the present inventors have selected a compound that is stable to acid, such as ALS analogs, and various combinations of pretreatment methods such as reductive alkylation and digestion with proteolytic enzymes, We searched for a substance that can efficiently release sugar chains.
- Z is an oxygen atom or sulfur atom
- X is an oxygen atom or —N (R 3 ) —
- R 3 is a hydrogen atom or lower alkyl
- R 1 and R 2 are each independently a hydrogen atom or hydroxy
- M represents a monovalent cation
- m represents an integer of 6 to 16
- n represents an integer of 3 to 5.
- the present invention has been completed by confirming that the sulfonate represented by the above formula can meet the above-mentioned purpose and can be widely used as a protein solubilizer.
- the sulfonate of the present invention is useful as a protein solubilizing agent, and particularly when analyzing a sugar chain in a glycoprotein derived from a living body, a reduced alkyl group and a proteolytic enzyme are used in the first step. By performing digestion, etc., it is possible to cut out the sugar chain part efficiently with the sample strength.
- FIG. 1 is an HPLC chromatogram when pretreated under the condition (2) in Example 3.
- FIG. 2 is a graph comparing the amounts of total sugar chains cut out when pretreated under the conditions (1) to) of Example 3.
- FIG. 3 is a graph showing the relative amount ratio of individual sugar chains obtained by pretreatment under conditions (3), (6), and (7).
- FIG. 5 Draft comparing the effects of the combination of solubilizer HSD, PHL or PHM with reductive alkylation and proteolytic enzyme (trypsin) for each sugar chain peak. See Table 1 for STD, LSTD, MSTD, HSD, PHL, PHL + RA and PHM + RA.
- the protein solubilizer of the present invention has the following formula (I)
- the sulfonate represented by these is included.
- Z is an oxygen atom or a sulfur atom
- X is an oxygen atom or —N (R 3 ) —
- R 3 is a hydrogen atom or lower alkyl
- R 1 and R 2 are each independently a hydrogen atom or hydroxy
- M represents a monovalent cation
- m represents an integer of 6 to 16
- n represents an integer of 3 to 5, respectively.
- Z is an oxygen atom
- X is an oxygen atom or —NH—
- — (CI ⁇ R 2 ) !! — is —CH—CH (OH)
- a compound having -CH is preferred.
- a compound of 8 to 14 is preferably used.
- lower alkyl includes straight or branched alkyl groups having 1 to 6 carbon atoms, such as methyl, ethyl, propyl, isopropyl, n-butyl, sec-butyl, tert-butyl, n-pentyl, Examples include isopentyl and n-hexyl.
- monovalent cations include alkali metal cations, and examples include sodium, lithium, and potassium.
- amide-type PHL and PHM are preferably combined with reductive alkylation or pretreatment with a proteolytic enzyme, which will be described later, if necessary.
- a proteolytic enzyme which will be described later, if necessary.
- the sugar chain analysis of the glycoprotein can be suitably carried out.
- an ester type compound (Z and oxygen are oxygen atoms) is exemplified by For example, it can be produced according to or according to the method described in PCT International Publication No. WO03Z82811.
- HSD sulfonic acid sodium salt
- an amide type compound (Z is an oxygen atom, X is NH) can be easily prepared, for example, according to the following scheme.
- these sulfonates are not limited, but are usually used at a concentration of 0.001% to 10% in a sample solution. In the case of HSD, it is usually 0.4 to 0.004%, 0.4 to 0.004% in the case of PHL, and 0.4 to 0.0004% in the case of PHM.
- the protein solubilizer of the present invention can be added and used when carrying out reduced alkylation of a glycoprotein sample.
- DTT dithiothreitol
- IAA odoacetamide
- room temperature 60 ° C. 30 minutes to 1, 2 hours anti It can be done in response.
- the reducing agent for example, 2-mercaptoethanol, tri-n-butylphosphine
- odoacetic acid odomethane, ethylethylene, 4-butylpyridine and the like can be used.
- the protein solubilizer of the present invention can also be used when a sample is pretreated with a proteolytic enzyme.
- the proteolytic enzyme to be used is not limited unless the sugar chain portion of the sample is changed. Proteins can be fragmented using peptidases (Asp-N, Glu-C, Lys-C), etc.
- the protein solubilizer of the present invention also exhibits a promoting effect in the step of releasing sugar chains such as glycoproteins with an N-type sugar chain releasing enzyme such as PNGaseF.
- the protein soluble additive of the present invention added in the first treatment is used as it is, as shown in the following examples. be able to.
- the protein solubilizer of the present invention is not limited to glycoproteins, and can be widely applied to hydrolysis of protein samples.
- trypsin, chymotrypsin, endopeptidase (Asp-N, Glu-C) described above. , Lys-C) etc. can be expected to promote reaction by adding calorie during digestion of protein samples.
- solubilized protein can be easily prepared by adding the protein solubilizing agent of the present invention.
- the soluble protein obtained in this way is not limited to the hydrolysis reaction described above, but can be suitably subjected to reductive alkylation and other arbitrary reactions.
- sample pretreatment conditions (protocol) according to the present invention are exemplified below, but the present invention is by no means limited thereto.
- Serum 20 ⁇ L was diluted with NH 4 HCO solution to a total volume of 50 L (no denaturant added).
- the enzyme reaction was stopped by cupping followed by heating at 80 ° C for 15 minutes.
- the final volume was 50 ⁇ .
- the mixture was allowed to stand at ° C for 30 minutes.
- IAA was added to a final concentration of 15 mM, and the mixture was allowed to stand at room temperature for 1 hour in the dark. Thereafter, 400 U trypsin was added and incubated at 37 ° C for 1 hour, followed by heating at 80 ° C for 15 minutes to stop the enzyme reaction.
- the final volume was 50.
- Figure 1 shows the chromatogram obtained under condition (2).
- Fig. 2 shows a comparison (equivalent to the sum of products) (relative amount when the amount of sugar chain is 1 in condition (1)). Due to differences in digestion conditions, the amount of sugar chains released by PNGaseF varied significantly.
- the trypsin treatment (Condition 2) improved the cleavage efficiency by ⁇ 88%, and the combined use of the reduced alkyl group treatment [Condition (3)] showed an improvement of the cleavage efficiency by ⁇ 127%.
- PNGaseF digestion of serum glycoprotein was performed after pretreatment under the following three conditions.
- the protein solubilizer of the present invention functions as a protein denaturant and exhibits a reaction promoting effect when added during various enzyme digestions.
- the pretreatment additive for sugar chain analysis is effective in promoting the reaction in other pretreatments in addition to cleaving the sugar chain with the N-type sugar chain releasing enzyme. As extremely useful.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Wood Science & Technology (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Zoology (AREA)
- Urology & Nephrology (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Diabetes (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Cell Biology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Genetics & Genomics (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Sampling And Sample Adjustment (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Peptides Or Proteins (AREA)
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07767887A EP2042511A4 (en) | 2006-06-30 | 2007-06-29 | METHOD FOR PRE-TREATING SERUM FOR ANALYZING SUGAR CHAINS |
| US12/308,936 US8058409B2 (en) | 2006-06-30 | 2007-06-29 | Method of serum pre-treatment for glycomic analysis |
| JP2008522650A JP5192376B2 (ja) | 2006-06-30 | 2007-06-29 | 糖鎖分析用血清前処理方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-181292 | 2006-06-30 | ||
| JP2006181292 | 2006-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008001888A1 true WO2008001888A1 (en) | 2008-01-03 |
Family
ID=38845651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2007/063100 Ceased WO2008001888A1 (en) | 2006-06-30 | 2007-06-29 | Method for pre-treatment of serum for analysis of sugar chain |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8058409B2 (ja) |
| EP (1) | EP2042511A4 (ja) |
| JP (1) | JP5192376B2 (ja) |
| WO (1) | WO2008001888A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009044900A1 (ja) | 2007-10-05 | 2009-04-09 | Hokkaido University | 糖鎖自動前処理装置 |
| WO2009048611A3 (en) * | 2007-10-11 | 2009-06-18 | Promega Corp | Cleavable surfactants |
| WO2011118731A1 (ja) * | 2010-03-25 | 2011-09-29 | 国立大学法人 岡山大学 | チオスルホナート化合物、タンパク質及び/又はペプチドの可逆的カチオン化剤並びに可溶化方法 |
| WO2015098663A1 (ja) * | 2013-12-25 | 2015-07-02 | 東ソー株式会社 | N型糖鎖が付加している部位又はその割合の測定方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003082811A1 (en) | 2002-03-29 | 2003-10-09 | Lg Household & Health Care Ltd. | Manufacturing method of monoglyceride sulfonate, toilet soap composition using the same, and manufacturing method of toilet soap composition comprising salt |
| WO2003102225A1 (en) | 2002-05-31 | 2003-12-11 | Waters Investments Limited | Destructible surfactants and uses thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7229539B1 (en) * | 1999-05-14 | 2007-06-12 | Waters Investments Limited | Destructible surfactants and uses thereof |
| US20060094000A1 (en) * | 2002-05-31 | 2006-05-04 | Mallet Claude R | Destructible surfactants and uses thereof |
-
2007
- 2007-06-29 EP EP07767887A patent/EP2042511A4/en not_active Withdrawn
- 2007-06-29 WO PCT/JP2007/063100 patent/WO2008001888A1/ja not_active Ceased
- 2007-06-29 US US12/308,936 patent/US8058409B2/en not_active Expired - Fee Related
- 2007-06-29 JP JP2008522650A patent/JP5192376B2/ja not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003082811A1 (en) | 2002-03-29 | 2003-10-09 | Lg Household & Health Care Ltd. | Manufacturing method of monoglyceride sulfonate, toilet soap composition using the same, and manufacturing method of toilet soap composition comprising salt |
| WO2003102225A1 (en) | 2002-05-31 | 2003-12-11 | Waters Investments Limited | Destructible surfactants and uses thereof |
Non-Patent Citations (4)
| Title |
|---|
| DATABASE CA [online] MUKHERJEA R. ET AL.: "Hydroxy sulfonated fatty acid esters as surface active agents. VI. Ester and amide derivative surfactants", XP003019696, Database accession no. (74:4903) * |
| FETTE, SEIFEN, ANSTRICHMITTEL, vol. 72, no. 9, 1970, pages 800 - 803 * |
| See also references of EP2042511A4 * |
| THE JAPANESE BIOCHEMICAL SOCIETY: "Shinsei Kagaku Jikken Koza", vol. 1, 26 February 1990, TANPAKUSHITSU I, BUNRI.SEISEI.SEISHITSU, pages: 53 - 66, XP003019697 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009044900A1 (ja) | 2007-10-05 | 2009-04-09 | Hokkaido University | 糖鎖自動前処理装置 |
| US9816054B2 (en) | 2007-10-11 | 2017-11-14 | Promega Corporation | Cleavable surfactants |
| WO2009048611A3 (en) * | 2007-10-11 | 2009-06-18 | Promega Corp | Cleavable surfactants |
| JP2011501748A (ja) * | 2007-10-11 | 2011-01-13 | プロメガ コーポレイション | 切断可能な界面活性剤 |
| EP2584027A3 (en) * | 2007-10-11 | 2013-07-17 | Promega Corporation | Cleavable surfactants |
| US12060538B2 (en) | 2007-10-11 | 2024-08-13 | Promega Corporation | Cleavable surfactants |
| US11624041B2 (en) | 2007-10-11 | 2023-04-11 | Promega Corporation | Cleavable surfactants |
| US10626349B2 (en) | 2007-10-11 | 2020-04-21 | Promega Corporation | Cleavable surfactants |
| WO2011118731A1 (ja) * | 2010-03-25 | 2011-09-29 | 国立大学法人 岡山大学 | チオスルホナート化合物、タンパク質及び/又はペプチドの可逆的カチオン化剤並びに可溶化方法 |
| JP5713006B2 (ja) * | 2010-03-25 | 2015-05-07 | 国立大学法人 岡山大学 | チオスルホナート化合物、タンパク質及び/又はペプチドの可逆的カチオン化剤並びに可溶化方法 |
| US8653240B2 (en) | 2010-03-25 | 2014-02-18 | National University Corporation Okayama University | Thiosulfonate compound, reversible cationization agent for protein and/or peptide, and method for solubilization |
| JP2015142555A (ja) * | 2013-12-25 | 2015-08-06 | 東ソー株式会社 | N型糖鎖が付加している部位又はその割合の測定方法 |
| US9896713B2 (en) | 2013-12-25 | 2018-02-20 | Tosoh Corporation | Method for determining site having N-linked sugar chain added thereto or proportion of said addition |
| WO2015098663A1 (ja) * | 2013-12-25 | 2015-07-02 | 東ソー株式会社 | N型糖鎖が付加している部位又はその割合の測定方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2042511A1 (en) | 2009-04-01 |
| EP2042511A4 (en) | 2012-12-19 |
| US8058409B2 (en) | 2011-11-15 |
| US20090187011A1 (en) | 2009-07-23 |
| JP5192376B2 (ja) | 2013-05-08 |
| JPWO2008001888A1 (ja) | 2009-11-26 |
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