JP2014501501A - 赤血球の照射及び嫌気性保存 - Google Patents
赤血球の照射及び嫌気性保存 Download PDFInfo
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- JP2014501501A JP2014501501A JP2013537875A JP2013537875A JP2014501501A JP 2014501501 A JP2014501501 A JP 2014501501A JP 2013537875 A JP2013537875 A JP 2013537875A JP 2013537875 A JP2013537875 A JP 2013537875A JP 2014501501 A JP2014501501 A JP 2014501501A
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- oxygen
- red blood
- blood cells
- carbon dioxide
- anaerobic
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Abstract
【選択図】図13
Description
i)照射中及びその直後に発生するROSによるもの。ROSは、RBC脂質内に存在し、後で保存中に近傍のタンパク質及び脂質を攻撃する可能性があり、加えて、酸素を用いて助勢しながら脂質及びタンパク質の過酸化サイクルを開始する。
ii)上記i)において発生したメトヘモグロビン(Met−Hb)及びその変性生成物が触媒として作用して、後続の長期のRBC冷却保存中にROS媒介の酸化損傷を更に引き起こす。この酸化損傷は、O2を用いた保存障害進行の悪化したものである。
表1
表2
CaO+H2O→Ca(OH)2
Ca(OH)2+CO2→CaCO+H2O
Claims (22)
- 赤血球用の採取容器と、
酸素又は酸素及び二酸化炭素減損デバイスと、
嫌気性条件下で赤血球を保存するための保存容器と、
前記採取容器を前記酸素又は酸素及び二酸化炭素減損デバイスに接続し、該酸素又は酸素及び二酸化炭素減損デバイスを前記保存容器に接続する管体と、
を備え、保存される前記赤血球をガンマ線照射デバイス又はX線照射デバイスを用いて照射し、次いで赤血球を前記保存容器内に保存するようにする、血液保存システム。 - 前記嫌気性条件が、20%よりも低いヘモグロビン酸素飽和度SO2として測定される、ことを特徴とする請求項1に記載の血液保存システム。
- 前記ヘモグロビン酸素飽和度が5%よりも低い、ことを特徴とする請求項2に記載の血液保存システム。
- 前記ヘモグロビン酸素飽和度が3%よりも低い、ことを特徴とする請求項3に記載の血液保存システム。
- 前記酸素又は酸素及び二酸化炭素減損デバイスが、
カートリッジと、
前記カートリッジ内でその入口から出口まで延びて赤血球を受容し且つ輸送するよう適合された複数の中空繊維又はガス透過性フィルムと、
前記カートリッジ内で前記複数の中空繊維に隣接しその間に充填される酸素捕捉剤か、又は酸素捕捉剤及び二酸化炭素捕捉剤かの何れかと、
を含む、ことを特徴とする請求項1に記載の血液保存システム。 - 前記ガンマ線又はX線照射デバイスが、前記赤血球の嫌気性処理の前に赤血球を照射する、ことを特徴とする請求項1に記載の血液保存システム。
- 前記ガンマ線又はX線照射デバイスが、嫌気性処理の後に前記赤血球を照射する、ことを特徴とする請求項1に記載の血液保存システム。
- 前記採取容器と前記酸素又は酸素及び二酸化炭素減損デバイスとの間に配置された白血球除去フィルタを更に備える、請求項1に記載の血液保存システム。
- 前記採取容器と連通した添加剤溶液容器を更に備える、請求項1に記載の血液保存システム。
- 前記採取容器と連通した血漿容器を更に備える、請求項1に記載の血液保存システム。
- 赤血球を保存するための方法であって、
赤血球から酸素又は酸素及び二酸化炭素を除去し、これにより嫌気性赤血球を生成する段階と、
前記嫌気性赤血球をガンマ線照射又はX線照射の何れかによって照射し、これにより照射済み嫌気性赤血球を生成する段階と、
前記照射済み嫌気性赤血球を保存する段階と、
を含む方法。 - 前記嫌気性赤血球が、20%よりも低いヘモグロビン酸素飽和度SO2を示す、請求項11に記載の方法。
- 前記ヘモグロビン酸素飽和度が5%よりも低い、請求項12に記載の方法。
- 前記ヘモグロビン酸素飽和度が3%よりも低い、請求項13に記載の方法。
- 前記酸素又は酸素及び二酸化炭素が、酸素又は酸素及び二酸化炭素減損デバイスによって除去され、前記酸素又は酸素及び二酸化炭素減損デバイスが、
カートリッジと、
前記カートリッジ内でその入口から出口まで延びて赤血球を受容し且つ輸送するよう適合された複数の中空繊維又はガス透過性フィルムと、
前記カートリッジ内で前記複数の中空繊維に隣接しその間に充填されるある量の酸素捕捉剤又は酸素捕捉剤及び二酸化炭素捕捉剤の両方と、
を含む、請求項11に記載の方法。 - 前記赤血球から酸素/二酸化炭素を除去する段階の前に白血球除去フィルタリング段階を更に含む、請求項11に記載の方法。
- 前記赤血球から酸素又は酸素及び二酸化炭素を除去する段階の前に、赤血球を添加剤溶液で処理する段階を更に含む、請求項11に記載の方法。
- 前記照射済み嫌気性赤血球が、嫌気性条件下で約1℃から約6℃の間の温度で保存される、請求項11に記載の方法。
- 赤血球を保存するための方法であって、
赤血球をガンマ線照射又はX線照射の何れかによって照射し、これにより照射済み赤血球を生成する段階と、
前記照射済み赤血球から酸素又は酸素及び二酸化炭素を除去し、これにより照射済み嫌気性赤血球を生成する段階と、
前記照射済み嫌気性赤血球を嫌気性条件下で保存する段階と、
を含む方法。 - 前記嫌気性赤血球が、20%よりも低いヘモグロビン酸素飽和度SO2を示す、請求項19に記載の方法。
- 前記ヘモグロビン酸素飽和度が5%よりも低い、請求項20に記載の方法。
- 前記ヘモグロビン酸素飽和度が3%よりも低い、請求項21に記載の方法。
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EP2635114A4 (en) | 2014-12-03 |
EP3539381B1 (en) | 2023-05-24 |
US20120115124A1 (en) | 2012-05-10 |
CA2817106A1 (en) | 2012-05-10 |
ES2957338T3 (es) | 2024-01-17 |
WO2012061731A1 (en) | 2012-05-10 |
EP3539381A1 (en) | 2019-09-18 |
EP2635114B1 (en) | 2020-04-29 |
EP2635114A1 (en) | 2013-09-11 |
CA2817106C (en) | 2020-08-25 |
PT3539381T (pt) | 2023-09-26 |
PT2635114T (pt) | 2020-06-16 |
ES2793484T3 (es) | 2020-11-16 |
US20160242410A9 (en) | 2016-08-25 |
EP4218412A1 (en) | 2023-08-02 |
JP5859558B2 (ja) | 2016-02-10 |
US10136635B2 (en) | 2018-11-27 |
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