JP2014520265A - 血漿分離デバイス(psd)から得られる血漿中の総ホモシステイン及びメチルマロン酸のlc−ms/msによる分析 - Google Patents
血漿分離デバイス(psd)から得られる血漿中の総ホモシステイン及びメチルマロン酸のlc−ms/msによる分析 Download PDFInfo
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Abstract
Description
Claims (26)
- 単一の乾燥した血液試料から1又は2以上の障害を診断及び識別する方法であって、
血漿分離デバイスから血漿試料を得るステップであって、前記血漿分離デバイスが、半透性血液分離部材を覆う取り外し可能な保持部材と、前記保持部材の一部に形成され前記半透性血液分離部材と連通する血液導入部と、前記半透性血液分離部材と連通する取り外し可能な血漿試料収集貯槽と、前記取り外し可能な血漿試料収集貯槽と連通する基板とを備え、全血試料が前記血液導入部に添加されて前記半透性血液分離部材によって分離され、前記血漿試料が前記取り外し可能な血漿試料収集貯槽に収集されるステップと、
液体クロマトグラフィー−タンデム質量分析計(LC−MS/MS)を用いて前記血漿試料を分析し、前記血漿試料中の少なくとも2つの分析物質のレベルを検出して1又は2以上の障害を診断するステップであって、前記少なくとも2つの分析物質のレベルが総ホモシステイン、メチルマロン酸、S−アデノシルホモシステイン、ベタイン、コリン、非対称性ジメチルアルギニン、対称性ジメチルアルギニン、クレアチニン、アミノ酸、グルタチオン、フェニルアラニン、チロシン、ビタミンD、ビタミンB1(チアミン)、ビタミンB2(リボフラビン)、ビタミンB3(ナイアシン)、ビタミンB4(アデニン)、ビタミンB5(パントテン酸)、ビタミンB6(ピリドキシン)、ビタミンB7(ビオチン)、ビタミンB12、葉酸、又は鉄から選択されるステップと
を含む方法。 - 取り外し可能な血漿試料収集貯槽が基板から取り外される、請求項1に記載の方法。
- 取り外し可能な血漿試料収集貯槽から血漿試料が単離される、請求項2に記載の方法。
- 取り外し可能な保持部材から白血球試料を得るステップをさらに含む、請求項1に記載の方法。
- 総ホモシステイン、メチルマロン酸、S−アデノシルホモシステイン、ベタイン、コリン、非対称性ジメチルアルギニン、対称性ジメチルアルギニン、クレアチニン、アミノ酸、フェニルアラニン、チロシン、ビタミンD、ビタミンB1(チアミン)、ビタミンB2(リボフラビン)、ビタミンB3(ナイアシン)、ビタミンB4(アデニン)、ビタミンB5(パントテン酸)、ビタミンB6(ピリドキシン)、及びビタミンB7(ビオチン)から選択される1、2、3、4、5、6、7、8、9、10、11、12、13、又は14の追加的な分析物質のレベルを検出するステップをさらに含む、請求項1に記載の方法。
- 血漿分離デバイスを受け取るステップが郵便で受け取られるものとしてさらに定義される、請求項1に記載の方法。
- 1又は2以上の障害が栄養障害、血液疾患、精神疾患、神経疾患、血管系疾患、末梢疾患、心臓血管系疾患、脳血管系疾患、遺伝性代謝障害、腎不全、アルギニン血症、アルギニノコハク酸尿症、カルバモイルリン酸シンテターゼ欠乏症1、シトルリン血症、ホモシスチン尿症、高メチオニン血症、高アンモニア血症、高オルニチン血症、ホモシトルリン尿症、メープルシロップ尿症、フェニルケトン尿症、チロシン血症、シスタチオニン β−シンテアーゼ欠乏症、メチレンテトラヒドロ葉酸還元酵素欠乏症、又はメチルマロン酸血症の少なくとも1つから選択される、請求項1に記載の方法。
- 血漿分離デバイスから血漿試料を得るステップであって、前記血漿分離デバイスが、半透性血液分離部材を覆う取り外し可能な保持部材と、前記保持部材の一部に形成され前記半透性血液分離部材と連通する血液導入部と、前記半透性血液分離部材と連通する取り外し可能な血漿試料収集貯槽と、前記取り外し可能な血漿試料収集貯槽と連通する基板とを備え、全血試料が前記血液導入部に添加されて前記半透性血液分離部材によって分離され、血漿試料が前記取り外し可能な血漿試料収集貯槽に収集されるステップと、
LC−MS/MSを用いて前記血漿試料を分析し、前記血漿試料中の少なくとも2つの分析物質のレベルを検出して1又は2以上の疾患を診断するステップであって、前記少なくとも2つの分析物質のレベルが総ホモシステイン、メチルマロン酸、S−アデノシルホモシステイン、ベタイン、コリン、非対称性ジメチルアルギニン、対称性ジメチルアルギニン、クレアチニン、アミノ酸、グルタチオン、フェニルアラニン、チロシン、ビタミンD、ビタミンB1(チアミン)、ビタミンB2(リボフラビン)、ビタミンB3(ナイアシン)、ビタミンB4(アデニン)、ビタミンB5(パントテン酸)、ビタミンB6(ピリドキシン)、ビタミンB7(ビオチン)、ビタミンB12、葉酸、又は鉄から選択されるステップと
を含む、疾患を診断する方法。 - 総ホモシステイン、メチルマロン酸、S−アデノシルホモシステイン、ベタイン、コリン、非対称性ジメチルアルギニン、対称性ジメチルアルギニン、クレアチニン、アミノ酸、グルタチオン、ビタミンD、ビタミンB1(チアミン)、ビタミンB2(リボフラビン)、ビタミンB3(ナイアシン)、ビタミンB4(アデニン)、ビタミンB5(パントテン酸)、ビタミンB6(ピリドキシン)、ビタミンB7(ビオチン)、ビタミンB12、葉酸、又は鉄から選択される1、2、3、4、5、6、7、8、9、10、11、12、13、又は14の追加的な分析物質のレベルを検出するステップをさらに含む、請求項8に記載の方法。
- 分析物質が総ホモシステイン、S−アデノシルホモシステイン、非対称性ジメチルアルギニン、フェニルアラニン、及び対称性ジメチルアルギニンを包含し、かつ1又は2以上の血管系リスクファクターを診断するために用いられる、請求項8に記載の方法。
- 総ホモシステイン、S−アデノシルホモシステイン、非対称性ジメチルアルギニン、及び対称性ジメチルアルギニンから選択される1つ又は2つの追加的な分析物質のレベルを検出するステップをさらに含む、請求項10に記載の方法。
- 分析物質が総ホモシステイン、メチオニン、S−アデノシルメチオニン、S−アデノシルホモシステイン、フェニルアラニン、及びアミノ酸を包含し、かつ1又は2以上の遺伝性代謝障害を診断するために用いられる、請求項8に記載の方法。
- 血漿分離デバイスを郵便で受け取るステップをさらに含む、請求項8に記載の方法。
- 少なくとも2つの分析物質のレベルを包含する分析物質がS−アデノシルホモシステイン、非対称性ジメチルアルギニン、対称性ジメチルアルギニン、及びクレアチニンから選択され、かつ腎不全を診断するために用いられる、請求項8に記載の方法。
- S−アデノシルホモシステイン、非対称性ジメチルアルギニン、対称性ジメチルアルギニン、及びクレアチニンから選択される1つ、2つ、又は3つの追加的な分析物質のレベルを検出するステップをさらに含む、請求項14に記載の方法。
- 検出される分析物質が総ホモシステイン及びメチルマロン酸のレベルを包含し、総ホモシステイン及びメチルマロン酸のレベルの上昇がコバラミン欠乏症を示し、総ホモシステインのレベルの上昇とメチルマロン酸の正常レベルとの組み合わせが葉酸欠乏症を示し、コバラミン、葉酸、又はその両方の欠乏症が診断される、請求項8に記載の方法。
- 疾患が栄養障害、血液疾患、精神疾患、神経疾患、血管系疾患、末梢疾患、心臓血管系疾患、脳血管系疾患、遺伝性代謝障害、腎不全、アルギニン血症、アルギニノコハク酸尿症、カルバモイルリン酸シンテターゼ欠乏症1、シトルリン血症、ホモシスチン尿症、高メチオニン血症、高アンモニア血症、高オルニチン血症、ホモシトルリン尿症、メープルシロップ尿症、フェニルケトン尿症、チロシン血症、シスタチオニン β−シンテアーゼ欠乏症、メチレンテトラヒドロ葉酸還元酵素欠乏症、又はメチルマロン酸血症の少なくとも1つから選択される、請求項8に記載の方法。
- 以下のステップ(a)〜(g)を含む、臨床試験中の対象における薬物レベルをモニターする方法。
(a)試験に関与している対象を準備するステップ;
(b)前記対象から血漿分離デバイスを得るステップ;
(c)前記血漿分離デバイスから血漿試料を得るステップであって、前記血漿分離デバイスが、半透性血液分離部材を覆う取り外し可能な保持部材と、前記保持部材の一部に形成され前記半透性血液分離部材と連通する血液導入部と、前記半透性血液分離部材と連通する取り外し可能な血漿試料収集貯槽と、前記取り外し可能な血漿試料収集貯槽と連通する基板とを備え、全血試料が前記血液導入部に添加されて前記半透性血液分離部材によって分離され、前記血漿試料が前記取り外し可能な血漿試料収集貯槽に収集されるステップ;
(d)LC−MS/MSを用いて前記血漿試料を分析し、前記血漿試料中の少なくとも2つの分析物質のレベルを検出するステップであって、前記少なくとも2つの分析物質のレベルが総ホモシステイン(tHcy)、メチルマロン酸(MMA)、S−アデノシルホモシステイン(SAH)、ベタイン、コリン、非対称性ジメチルアルギニン(ADMA)、対称性ジメチルアルギニン(SDMA)、クレアチニン、アミノ酸、グルタチオン、フェニルアラニン、ビタミンD、ビタミンB1(チアミン)、ビタミンB2(リボフラビン)、ビタミンB3(ナイアシン)、ビタミンB4(アデニン)、ビタミンB5(パントテン酸)、ビタミンB6(ピリドキシン)、ビタミンB7(ビオチン)、ビタミンB12、葉酸、又は鉄から選択されるステップ;
(e)前記対象に薬剤を提供するステップ;
(f)LC−MS/MSを用いて前記血漿試料を分析して薬剤レベルを検出するステップ;
(g)(a)〜(f)のステップを繰り返すステップ - 臨床試験が栄養障害、血液疾患、精神疾患、神経疾患、血管系疾患、末梢疾患、心臓血管系疾患、脳血管系疾患、遺伝性代謝障害、又は腎不全のためのものである、請求項18に記載の方法。
- 臨床試験が前臨床試験であり、対象がネコ、イヌ、ヤギ、非ヒト霊長類、マウス、ブタ、又はラットである、請求項18に記載の方法。
- 臨床試験が臨床薬物試験であり、対象がヒトである、請求項18に記載の方法。
- 単一の乾燥した血液試料から複数の障害を診断及び識別するためのシステムであって、
半透性血液分離部材を覆う取り外し可能な保持部材と、前記保持部材の一部に形成され前記半透性血液分離部材と連通する血液導入部と、前記半透性血液分離部材と連通する取り外し可能な血漿試料収集貯槽と、前記取り外し可能な血漿試料収集貯槽と連通する基板とを備える血漿分離器であって、前記血液導入部に添加した全血試料が前記半透性血液分離部材によって分離され、血漿試料が前記取り外し可能な血漿試料収集貯槽に収集される血漿分離器と、
前記血漿試料中の少なくとも2つの分析物質のレベルを検出し、複数の障害を診断してそれらを識別するためのLC−MS/MSシステムであって、前記少なくとも2つの分析物質のレベルが総ホモシステイン(tHcy)、メチルマロン酸(MMA)、S−アデノシルホモシステイン(SAH)、ベタイン、コリン、非対称性ジメチルアルギニン(ADMA)、対称性ジメチルアルギニン(SDMA)、クレアチニン、アミノ酸、グルタチオン、フェニルアラニン、ビタミンD、ビタミンB1(チアミン)、ビタミンB2(リボフラビン)、ビタミンB3(ナイアシン)、ビタミンB4(アデニン)、ビタミンB5(パントテン酸)、ビタミンB6(ピリドキシン)、ビタミンB7(ビオチン)、ビタミンB12、葉酸、又は鉄から選択されるLC−MS/MSシステムと
を含むシステム。 - 単一の乾燥した血液試料からの多重試料分析の方法であって、
血漿分離デバイスから血漿試料を得るステップであって、前記血漿分離デバイスが、半透性血液分離部材を覆う取り外し可能な保持部材と、前記保持部材の一部に形成され前記半透性血液分離部材と連通する血液導入部と、前記半透性血液分離部材と連通する取り外し可能な血漿試料収集貯槽と、前記取り外し可能な血漿試料収集貯槽と連通する基板とを備え、全血試料が前記血液導入部に添加されて前記半透性血液分離部材によって分離され、前記血漿試料が前記取り外し可能な血漿試料収集貯槽に収集されるステップと、
前記血漿試料の1又は2以上の成分に標識するステップと、
液体クロマトグラフィー−タンデム質量分析計(LC−MS/MS)を用いて前記血漿試料を分析し、前記血漿試料中の前記1又は2以上の成分を検出するステップと
を含む方法。 - 半透性血液分離部材を覆う取り外し可能な保持部材と、
前記保持部材の一部に形成され前記半透性血液分離部材と連通する血液導入部と、
前記半透性血液分離部材と連通する取り外し可能な血漿試料収集貯槽と、
前記取り外し可能な血漿試料収集貯槽と連通する基板とを備える血漿分離器であって、
前記血液導入部に添加した全血試料が前記半透性血液分離部材によって分離され、前記血漿試料が前記取り外し可能な血漿試料収集貯槽に収集される、血漿分離器。 - 以下のステップ(a)〜(f)を含む、対象における薬物レベルをモニターする方法。
(a)対象から血漿分離デバイスを得るステップ;
(b)前記血漿分離デバイスから血漿試料を得るステップであって、前記血漿分離デバイスが、半透性血液分離部材を覆う取り外し可能な保持部材と、前記保持部材の一部に形成され前記半透性血液分離部材と連通する血液導入部と、前記半透性血液分離部材と連通する取り外し可能な血漿試料収集貯槽と、前記取り外し可能な血漿試料収集貯槽と連通する基板とを備え、全血試料が前記血液導入部に添加されて前記半透性血液分離部材によって分離され、前記血漿試料が前記取り外し可能な血漿試料収集貯槽に収集されるステップ;
(c)LC−MS/MSを用いて前記血漿試料を分析し、前記血漿試料中の少なくとも2つの分析物質のレベルを検出するステップであって、前記少なくとも2つの分析物質のレベルが総ホモシステイン(tHcy)、メチルマロン酸(MMA)、S−アデノシルホモシステイン(SAH)、ベタイン、コリン、非対称性ジメチルアルギニン(ADMA)、対称性ジメチルアルギニン(SDMA)、クレアチニン、アミノ酸、グルタチオン、フェニルアラニン、ビタミンD、ビタミンB1(チアミン)、ビタミンB2(リボフラビン)、ビタミンB3(ナイアシン)、ビタミンB4(アデニン)、ビタミンB5(パントテン酸)、ビタミンB6(ピリドキシン)、ビタミンB7(ビオチン)、ビタミンB12、葉酸、又は鉄から選択されるステップ;
(d)前記対象に薬剤を提供するステップ;、
(e)LC−MS/MSを用いて前記血漿試料を分析して前記薬剤のレベルを検出するステップ;
(f)必要であれば任意に(a)〜(e)のステップを繰り返すステップ - 疾患が栄養障害、血液疾患、精神疾患、神経疾患、血管系疾患、末梢疾患、心臓血管系疾患、脳血管系疾患、遺伝性代謝障害、腎不全、アルギニン血症、アルギニノコハク酸尿症、カルバモイルリン酸シンテターゼ欠乏症1、シトルリン血症、ホモシスチン尿症、高メチオニン血症、高アンモニア血症、高オルニチン血症、ホモシトルリン尿症、メープルシロップ尿症、フェニルケトン尿症、チロシン血症、シスタチオニン β−シンテアーゼ欠乏症、メチレンテトラヒドロ葉酸還元酵素欠乏症、又はメチルマロン酸血症の少なくとも1つから選択される、請求項25に記載の方法。
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US20120318971A1 (en) | 2012-12-20 |
EP2721416A4 (en) | 2015-01-21 |
EP2721416A1 (en) | 2014-04-23 |
AR086968A1 (es) | 2014-02-05 |
TW201305561A (zh) | 2013-02-01 |
AU2012271718A1 (en) | 2014-01-09 |
CA2839281A1 (en) | 2012-12-20 |
WO2012174144A1 (en) | 2012-12-20 |
CN103748469A (zh) | 2014-04-23 |
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