WO2002000917A1 - Procede de detection de proteines argyrophiles presentant une region organisatrice des nucleoles (ag-nor) des lymphocytes t - Google Patents

Procede de detection de proteines argyrophiles presentant une region organisatrice des nucleoles (ag-nor) des lymphocytes t Download PDF

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WO2002000917A1
WO2002000917A1 PCT/CN2000/000337 CN0000337W WO0200917A1 WO 2002000917 A1 WO2002000917 A1 WO 2002000917A1 CN 0000337 W CN0000337 W CN 0000337W WO 0200917 A1 WO0200917 A1 WO 0200917A1
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culture
cell
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Guoqing Zhang
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Beijing Jianerkang Medical Equipment Co.Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/569Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
    • G01N33/56966Animal cells
    • G01N33/56972White blood cells

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  • the invention belongs to a biological detection method, in particular to a method for detecting silver-proteins Ag-NORs in the nucleolar forming region of lymphocytes.
  • the detection in the prior art is only used for tissue sectioning.
  • the subject must first perform surgery and take biopsy for staining examination.
  • the patient suffers a lot and it is not appropriate to repeat the examination.
  • the invention adopts a new detection object, that is, the detection of T-lymphocytes in peripheral blood, overcomes the shortcomings in the prior art, and provides a T-cell with a small blood volume, simple operation, simple process and easy to popularize. Detection of Ag-NORs in the nucleolar forming region of lymphocytes.
  • the method for detecting Ag-NORs in the T-lymphocyte nucleolar formation region of the present invention includes five parts: cell culture, cell separation, cell preparation, staining, and detection.
  • composition of the culture solution and the amount of 1000 grams of culture solution are:
  • LG L-glutamine
  • PHA phytohemagglutinin
  • fetal bovine serum 100-300ml penicillin (800,000 u / 2ml) 0. 1- 0. 5ml streptomycin ( 1 million u / 2ml) 0. 1— 0. 5ml
  • the rest is made up with distilled water.
  • the pH of the culture broth is 6. 5-7.
  • the culture solution is prepared by the following methods and steps:
  • step 3 Add L-glutamine, sodium heparin, phytohemagglutinin (PHA), penicillin, and streptomycin to the solution in step 2 and mix thoroughly until all are dissolved.
  • PHA phytohemagglutinin
  • T-lymphocyte culture was performed as follows:
  • hypotonic solution is a 0.43% sodium chloride solution
  • the fixing solution is a mixed solution of methanol and glacial acetic acid in a ratio of 3: 1 by volume.
  • the dyeing liquid is composed of liquid A and liquid B.
  • the composition of liquid A and its ratio are: 30-60 g of nitric acid (analytical grade) and 100 ml of distilled water.
  • the preferred ratio of liquid A is: 50 g of silver nitrate (analytical grade) and 100 ml of distilled water.
  • Solution A is prepared by adding silver nitrate to distilled water in proportion, stirring thoroughly until it is completely dissolved, and storing it in a brown bottle at 2-8 ° C.
  • composition and composition of liquid B are: 1 to 3 g of gelatin, 200 to 50 g of pure acetic acid (100 liters, 100 ml of distilled water.
  • the preferred ratio of liquid B is: 2 g of gelatin, 250 microliters of formic acid, and 100 ml of distilled water.
  • the preparation method of the liquid is: adding formic acid to distilled water, mixing, adding gelatin, mixing uniformly, and then incubating at 37 ° C or at room temperature until completely dissolved, to obtain the liquid B of the present invention. — 8 Saved.
  • all the utensils and other utensils used need to be disinfected and sterilized, and all operations should conform to the aseptic operation.
  • the methods of disinfection and sterilization and aseptic operation methods are well known in the art technology.
  • the blood volume is small, and only 0.4 to 0.5 ml of blood is required for the testicle, while the prior art generally requires 5 to 10 ml;
  • the cell culture method is convenient, time-saving, easy to operate, and simple in equipment.
  • lymphocyte separation solution was used for lymphocyte separation, and a relatively expensive carbon dioxide incubator was required. The operation was tedious, time-consuming, and expensive. .
  • the dyed specimens are stable in color and will not fade in 1 to 2 months under dry conditions at room temperature.
  • the method for detecting Ag-NORs in the nucleolar formation region of T-lymphocytes in this embodiment includes five parts: cell culture, cell separation, cell preparation, staining, and detection.
  • the pH of the culture broth is 7.0 to 7.2.
  • T-lymphocyte culture is performed according to the following methods and steps:
  • the T-lymphocyte conversion rate is over 80%, and the nucleus enlarges and the nucleoli divides.
  • hypotonic solution is a 0.43% sodium chloride solution
  • the fixing solution is a mixed solution prepared by methanol and glacial acetic acid in a volume ratio of 3: 1.
  • Liquid A silver nitrate (analytical grade) 50g, distilled water 100ml;
  • Solution B 2g gelatin, 340 microliters of formic acid, and 100ml of distilled water.
  • T-lymphocyte staining was performed as follows:
  • the above-mentioned stained slides were read in a KL-type tumor immune image analysis system (developed and produced by Beijing Jianerkang Medical Equipment Co., Ltd.), and 30-50 cells were analyzed. The average value is used as a quantified value.
  • composition and ratio of liquid B of the dyeing liquid used in this embodiment are: 2 g of gelatin, 250 g of gallic acid, 100 ml of distilled water.
  • the remaining reagents, steps and conditions are the same as those of the first embodiment.

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Description

一种 T—淋巴细胞核仁形成区嗜银蛋白 Ag-NORs的检测方法 技术领城
本发明属于生物检测方法, 特别是一种淋巴细胞核仁形成区嗜银 蛋白 Ag-NORs的检测方法。
背景技术
现有技术中的检测只用于组织切片, 受检者必须先行手术, 取活 体组织进行制片染色检查, 病人痛苦大, 并且不宜重复检查。
本发明采取了新检测对象, 即对外周血中的 T—淋巴细胞进行检 测, 克服了现有技术中的不足, 提供了一种用血量小、 操作简便、 过 程简单、 易于普及的 T一淋巴细胞核仁形成区嗜银蛋白 Ag- NORs的检测 方法。
发明概述
本发明的 T一淋巴细胞核仁形成区嗜银蛋白 Ag-NORs的检测方法, 包括细胞培养、 细胞分离、 制片、 染色、 检测五个部分。
1.细胞培养:
(1)培养液的制备:
培养液的组成成分及配制 1000克培养液的用量为:
N- (2-羟乙基)派嗪 -N, - 2-乙烷磺酸(Hepes) 3-6g 碳酸氢钠 l-3g RPMI 1640培养基(干粉) 5-1 Og
L -谷氨酰胺 (LG) 0. 1- 0. 3g 肝素钠(150u/rag) 0. 1- 0. 3g 植物血凝素 ( PHA ) 5-2 Omg 胎牛血清 100 -300ml 青霉素 ( 80万 u /2ml ) 0. 1- 0. 5ml 链霉素 ( 100万 u /2ml ) 0. 1— 0. 5ml 余量用蒸餾水补齐。
该培养液的 PH值为 6. 5-7. 5。
该培养液是通过如下方法及步骤制备而成的:
①将 Hepes、 碳酸氢钠和 1640培养基三种试剂按计量置于容器 中, 南容器中加入约 300亳升蒸餾水, 于 37 °C 下混合溶解, 再加入 剩余量的蒸榴水, 混合均匀待用;
②取密封在容器中的胎牛血清或将胎牛血清置于容器中, 在 56。C 水浴箱内 30分钟灭活, 冷却至室温后加入到①步骤制得的水溶液中;
③将 L-谷氨酰胺、 肝素钠、 植物血凝素 (PHA )、 青霉素和链霉 素, 加入到②步骤的溶液中, 充分混匀, 直至全部溶解。
④将上述溶液用滤膜滤菌器过滤, 即得本发明的培养液。
将培养液分装、密封后,于- 18 °C以下水冻保存。培养液置于 37 "C 孵箱内孵育一周无细菌生长, 则为合格。
(2)细胞培养:
依如下方法和步骤进行 T一淋巴细胞培养:
①室温下将水冻的、 上述 T—淋巴细胞培养液解冻;
②抽取静脉血注入盛培养液的容器内, 立即混勾, 血与培养液的 体积比为 1: 8-12;
③将培养瓶置于 37 °C 土 0. 5 °C培养箱中, 48— 96小时后即完成细 胞培养。
•2.细月包分离:
(1)吸入上述细胞培养步骤制得的细胞液 4. 5ml , 在转速为 2000转 /分条件下离心 5分钟;
(2)弃上清, 然后加入低渗液 5ml充分混勾,再加固定液 0. 5ml混匀, 在转速为 2000转 /分条件下离心 5分钟;
(3)弃上清, 加固定液 5ml混勾, 在转速为 2000转 /分条件下离心 5 分钟
(4)弃上清, 加固定液 5ml混勾, 在转速为 2000转 /分条件下离心 5 分钟;
(5)弃上清, 加固定液 0. 3ml , 混匀备用。
上述低渗液为 0. 43%氯化钠溶液; 固定液为曱醇与冰醋酸按体积 比 3: 1比例配制的混合溶液。
3.制片:
(1)将冷冻载玻片置于水平位;
(2)吸取经细胞分离步骤后的细胞悬液, 在距玻片 20cra高度处, 向 玻片滴加 2— 3滴;
(3)细胞悬液快干时, 将玻片快速过火 2— 3次, 室温凉干。
4.染色:
(1)染色液的制备: 染色液由 A液和 B液两部分组成, A液的组成成分及其配比为: 硝 酸 4艮(分析纯) 30— 60g , 蒸馏水 100ml 。 A液的优选配比为: 硝酸银(分析纯) 50g , 蒸馏水 100ml 。 A液的配制方法为: 按比 例将硝酸银加入到蒸馏水中, 充分搅拌, 直至完全溶解, '并装入棕色 瓶中于 2-8 °C保存。
B液的组成成分及其配比为: 明胶 1- 3g , 纯曱酸 200- 50(敫升, 蒸馏水 100ml 。 B液的优选配比为: 明胶 2g , 甲酸 250微升, 蒸餾水 100ml 。 B液的配制方法为: 将甲酸加入到蒸馏水中, 混匀, 再加入明胶, 混合均匀, 然后放入 37 °C培养或室温中至完全溶解, 即 得本发明的 B液。 将 B液于 2— 8 Ό下保存。
细胞染色时, A液与 B液的体积比为: 1一 3: 1
(2)染色:
按如下方法进行细胞染色:
①将按上述 (1)步骤制得的染色液的 A液和 B液置于室温或 37 °C温箱 中恒温备用;
②将三用水箱预热至 80- 90°C后恒温;
③将上述制片步骤制好的玻片放在水箱之铝板上;
④向玻片上有细胞悬液处, 先后滴加 A液和 B液, 两者的体积比为 1-3 ·: 1 , 混勾后将盖玻片盖上;
⑤待颜色变为深金黄色后, 将玻片取下;
⑥用少量、 慢速自来水冲净玻片, 再用蒸馏水冲一遍, 晾干, 即 完成染色。 将上述经过染色步骤的玻片在 KL型肿瘤免疫图像分析系统(由北 京健尔康医疗设备有限公司开发生产)进行读片, 分析 30-50个细胞, 取胞核与核仁形成区面积比平均值作为量化值。
本发明的所有步骤及过程中, 所使用的器亚及其它用具等全部需 要消毒灭菌处理, 而且所有操作均应符合无菌操作, 消毒灭菌方法和 无菌操作方法均属于本领域的公知技术。
本发明的 T—淋巴细胞核仁形成区嗜银蛋白 Ag- NORs的检测方法, 具有如下优点:
( 1 )用血量少, 仅需睾 0. 4-0. 5ml血样, 而现有技术一般需要 5- 10 毫升;
( 2 ) 细胞培养方法筒便、 省时、 易操作、 设备简单, 而现有技术 中需要用淋巴细胞分离液做淋巴细胞分离 , 而且需要较昂贵的二氧化 碳培养箱, 操作繁瑣、 费时、 仪器昂贵。
( 3 )标本染色效果好, 染色均匀, 背景清晰;
( 4 ) 染好的标本片色泽稳定, 室温干燥条件下 1—2个月不退色。
发明详细说明
下面结合实施例进一步说明本发明:
实施例一:
本实施例的 T一淋巴细胞核仁形成区嗜银蛋白 Ag- NORs的检测方 法, 包括细胞培养、 细胞分离、 制片、 染色、 检测五个部分。
1·细胞培养: (1)培养液的制备:
按上述方法配制培养液, 其组成成分及配制 1000克培养液的用量
Hepes
碳酸氢钠
RPMI 1640培养基
L-谷氨酰胺 (LG)
肝素钠(150u/mg)
美国 sigma生产的 PHA-P
青霉素(80万 u/2ml)
链霉素(100万 u/2ml)
胎牛血清
余量用蒸馏水补齐。
该培养液的 PH值为 7. 0-7. 2。
(2)细胞培养:
依下列方法及步骤进行 T—淋巴细胞的培养:
( 1 ) 室温下将上述 4ral水冻的淋巴细胞培养液解冻;
( 2 )抽取静脉血 0. 4-0. 5ml注入盛培养液的容器内, 立即将两者 混匀;
(3) 将上述容器 ¾于 37。C ± 0. 5 °C培养箱中, 72小时后即完成细 胞
(4) 培养。 依此方法, T—淋巴细胞转化率达 80%以上, 而且胞核涨大, 核仁 分裂。
2.细胞分离:
(1)吸入上述细胞培养步骤制得的细胞液 4. 5ml , 在转速为 2000转 /分条件下离心 5分钟;
(2)弃上清, 然后加入^氐渗液 5ml充分混勾,再加固定液 0. 5ml混匀, 在转速为 2000转 /分条件下离心 5分钟;
(3)弃上清, 加固定液 5ml混勾, 在转速为 2000转 /分条件下离心 5 分钟;
(4)弃上清, 加固定液 5ml混勾, 在转速为 2000转 /分条件下离心 5 分钟;
(5)弃上清, 加固定液 0. 3ml , 混匀备用。
上述低渗液为 0. 43%氯化钠溶液; 固定液为甲醇与冰醋酸按体积 比 3: 1比例配制的混合溶液。
3.制片:
(1)将冷冻载玻片置于水平位;
(2)吸取经细胞分离步驟分离的细胞悬液, 在距玻片 20cm高度处, 向玻片滴加 2— 3滴;
(3)细胞悬液快干时, 将玻片快速过火 2— 3次, 室温凉干。
4.染色:
(1)染色液的制备:
按上述方法制备如下配比的染色液: A液: 硝酸银(分析纯) 50g, 蒸馏水 100ml;
B液: 明胶 2g , 甲酸 340微升, 蒸馏水 100ml 。
(2)染色:
按如下方法进行 T—淋巴细胞染色, 其步骤为:
(1)将上迷 A液和 B液置于室温或 37°C温箱中恒温备用;
(2)将三用水箱预热至 85°C后恒温;
(3)将上述制片后的玻片放在水箱之铝板上;
(4)向玻片上先后滴加 A液 4滴、 B液 2滴, 混匀后将盖玻片盖上;
(5)待颜色变为深金黄色后, 将玻片取下;
(6)用少量、 慢速自来水冲净玻片, 再用蒸榴水冲一遍, 晾干, 即完成染色。
5.检测:
将上述经过染色步骤的玻片在 KL型肿瘤免疫图像分析系统(由北 京健尔康医疗设备有限公司开发生产)进行读片, 分析 30-50个细胞, 取胞核与核仁形成区面积比平均值作为量化值。
实旅例二:
本实施例中所用染色液的 B液的组成成分及配比为: 明胶 2g , 曱酸 250 :升, 蒸馏水 100ml 。 其余试剂、 步骤及条件均与实施 例一相同。

Claims

权 利 要 求
1.一种 T一淋巴细胞核仁形成区嗜艮蛋白 Ag- NORs的检测方法, 其 特征在于其包括 T一细胞的培养、 分离、 制片、 染色、 检测五个部分; • ( 1 )细胞培养:
①培养液的制备:
培养液的组成成分及配制 1000克培养液的用量为:
N- (2-羟乙基)哌嗪 -N, -2-乙垸磺酸(Hepes) 3-6g 碳酸氢钠 l-3g
RPMI 1640培养基(以干粉量计) 5-10g L-谷氨酰胺 (LG) 0. 1- 0. 3g 肝素钠(150u/mg) 0. 1 - 0. 3g 植物血凝素 ( PHA ) 5-2 Omg 胎牛血清 100 -300ml 青霉素 ( 80万 u /2ml ) 0. 1- 0. 5ml 链霉素(100万11 /2ml ) 0. 1- 0. 5ral 余量用蒸榴水补齐;
该培养液的 PH值为 6. 5-7. 5;
②细胞培养:
I .室温下将冰冻的、 上述①步骤制备的 T一淋巴细胞培养液解
II .抽取静脉血注入盛培养液的容器内, 立即混匀, 血与培养液 的体积比为 1: 8-12; III.将上述容器置于 37°C 士 0. 5 °C培养箱中 48— 96小时;
(2)细胞分离:
① 吸入经过细胞培养步骤制得的细胞液 4. 5ml , 在转速为 2000转 /分的条件下离心 5分钟;
②弃上清, 然后加入低渗液 5ml充分混勾,再加固定液 0. 5ml混匀, 在转速为 2000转 /分条件下离心 5分钟;
③弃上清, 加固定液 5ml混勾, 在转速为 2000转 /分条件下离心 5 分钟;
④弃上清, 加固定液 5ml混勾, 在转速为 2000转 /分条件下离心 5 分钟;
⑤弃上清, 加固定液 0. 3ml , 混匀备用;
上述 ¼^渗液为 0. 43%氯化钠溶液; 固定液为甲醇与冰醋酸按体积 比 3: 1比例配制的混合溶液;
(3)制片:
①将冷冻载玻片置于水平位;
②吸取经细胞分离步骤分离的细胞悬液, 在距玻片 20cm高度处, 向玻片滴力 P2— 3滴;
③细胞悬液快干时, 将玻片快速过火 2— 3次, 室温凉干;
(4)染色:
①染色液的制备:
染色液由 A液和 B液两部分组成, A液的组成成分及其配比为: 硝 酸银(分析纯) 30— 60g , 蒸馏水 100ml ; B液的组成成分及其 配比为: 明胶 1一 3g , 纯甲酸 200— 500微升, 蒸镏水 100ml ; 细月包染色时, A液与 B液的体积比为: 1— 3: 1;
②染色:
按如下方法进行细胞染色:
I .将上述①步骤制备的染色液 A液和 B液置于室温或 37 °C温箱中 恒温备用;
II .将三用水箱预热至 80-90Ό后恒温;
III.将上述制片步骤制好的玻片放在水箱之铝板上;
IV.向玻片上有细胞悬液处, 先后滴加 A液和 B液, 两者的体积比 为 1一 3 : 1, 混勾后将盖玻片盖上;
V.待颜色变为深金黄色后, 将玻片取下;
VI.用少量、 慢速自来水冲净玻片, 再用蒸榴水冲一遍, 晾干, 即完成染色;
(5)检测:
将上述(4 ) 步骤经过染色的玻片在 KL型肿瘤免疫图像分析系统 进行读片, 分析 30- 50个细胞, 取胞核与核仁形成区面积比平均值作 为量化值。
2.如权利要求 1所述的 T—淋巴细胞核仁形成区嗜银蛋白 Ag- NORs 的检测方法, 其特征在于所述组成染色液的 A液和 B液的组成成分和配 比为:
A液: 硝酸银(分析纯) 50g , 蒸馏水 100ml ;
B液: 明胶 2g , 曱酸 250微升, 蒸馏水 100ml 。
PCT/CN2000/000337 2000-06-21 2000-10-18 Procede de detection de proteines argyrophiles presentant une region organisatrice des nucleoles (ag-nor) des lymphocytes t WO2002000917A1 (fr)

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CN100410368C (zh) * 2005-07-19 2008-08-13 翁炳焕 染色体核型分析淋巴细胞培养标本预处理方法
CN107384912A (zh) * 2017-07-31 2017-11-24 四川金域医学检验中心有限公司 染色体g带的制备方法
CN115046808B (zh) * 2022-07-20 2023-09-01 浙江省淡水水产研究所 一种鳖科动物使用的微创血液抽取方法及染色体制片方法

Non-Patent Citations (3)

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Title
ARQ. GASTROENTEROL., vol. 35, no. 2, 1998, pages 89 - 94 *
BIOTECH. HISTOCHEM., vol. 73, no. 4, 1998, pages 202 - 210 *
J. GASTROENTEROL. HEPATOL., vol. 13, no. 8, 1998, pages 794 - 800 *

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