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アン試験管内でフルオロブロックの腫瘍の浸潤アッセイ

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Cite this Article: アン試験管内でフルオロブロックの腫瘍の浸潤アッセイ

Partridge, J., Flaherty, P. An In vitro FluoroBlok Tumor Invasion Assay. J. Vis. Exp. (29), e1475, doi:10.3791/1475 (2009).

Abstract: アン試験管内でフルオロブロックの腫瘍の浸潤アッセイ

転移性細胞の特徴は、基底膜を介して侵入し、体の他の部分に移行する能力です。細胞は、浸潤性であるためには基底膜を分解するだけでなく、移行の両方を分泌するプロテアーゼにできなければなりません。 BDアンジオジェネシスの腫瘍浸潤のシステムは、彼らの侵入特性の評価を可能にする条件下で細胞を提供する

Protocol: アン試験管内でフルオロブロックの腫瘍の浸潤アッセイ

ポストラベリングとBDカルセインAM蛍光色素を用いて測定

彼らがBDマトリゲルマトリックスを介して侵入し、BDフルオロブロックメンブレンを通過した後の細胞を定量にラベルが付いています。その結果、細胞浸潤の唯一のエンドポイントの測定を得ることができる。

  1. 〜80%コンフルエントに細胞を成長させる。
  2. インサートシステムを準備し、再水和する。
    1. -20℃の保管からパッケージを削除し、それが室温に来ることができます。
    2. 箔のパッケージを開き、挿入井戸の内部に500μL温かい(37℃)のメディアを追加します。プレートは37℃で2時間再水和することを許可° C、5%CO 2を
      :これは、細胞遊走のコントロールとして使用されるコーティングされていないBDファルコンフルオロブロック24マルチウェルインサートシステムを再水和するために必要ではない。
    3. 再水和した後、慎重にメンブレン上にBDマトリゲルマトリックスの層を乱すことなく挿入ウェルから培地を取り除く。システムが使用できるようになりました。
  3. 細胞単層をトリプシン処理し、5 × 10 4細胞/ mLで無血清DMEMで細胞を再懸濁することにより細胞懸濁液を準備します。
    :異なる細胞タイプを使用している場合に、最適な播種密度を決定する必要があります。多孔質の成長表面上の細胞のタイプに最適な播種密度を決定するために、播種密度の範囲を(細胞/ cm 2)を使用して、ブラケットの非多孔質表面に使用される播種密度(すなわちフラスコ、ディッシュ、プレート)。たとえば、間に種々の細胞の濃度で2.5 × 10 5細胞/ cm 2、シードでは、現在シード5 × 10 4と5 × 10 5細胞/ cm 2、最適な初期播種密度を決定する。
  4. 頂端チャンバーに細胞懸濁液の500μL(2.5 × 10 4細胞)を追加します。
  5. アクセスのためのサンプルポートを使用して、基底チャンバーのそれぞれに走化性因子の750μL(DMEMで5%FBS)を追加します。
  6. BDのアンジオジェネシスの腫瘍浸潤のシステムと非塗工BDファルコンフルオロブロック37℃、5%CO 2雰囲気で20〜22時間、24マルチウェルインサートプレートをインキュベートする。
  7. インキュベーション後、慎重に根尖チャンバーから培地を取り除く。これは、廃棄用容器に内容をフリックすることで実現できます。インサートシステムの底面に触れないでください。
  8. 500μL/ウェル、4μg/ mLのカルセインHBSSでAMを含む第二の24ウェルプレートへの挿入システムを転送します。 37℃で1時間インキュベート° C、5%CO 2。それは細胞質エステラーゼにより緑色蛍光カルセインに変換される蛍光性生体染色色素であるため、カルセインAM溶液が蛍光を読み取る前に、下室から削除されません。
  9. 浸潤細胞の蛍光は、ボトム読み蛍光プレートリーダーで517分の494 nmの(EX / EM)の波長で読み取られます。ゲイン設定は、経験的に決定する必要があるかもしれませんが、中間点のゲインは十分な出発点でなければなりません。高すぎるゲイン設定は、高い蛍光試料と検出器の飽和につながる可能性がありますが、これは意味のある結果の取得を防ぐことができます。 autogain(あなたの読者にサポートされている場合)の使用は推奨されません。倒立蛍光顕微鏡は、結果を検証するために使用することができますが、この度は、このアッセイを初めて実行した操作を行うために特に便利です。
    :これは、挿入システムが正しいプレートのマップを使用して読み込まれることは重要である。載荷板のマップの詳細についてはwww.bdbiosciences.comまたは接触BDテクニカルサポート(labware@bd.com)でBDの技術告示第436参照してください。プレートをリーダーに挿入されるように適切な板の向きが右に向き左上隅とBD小瓶のロゴでもA1となります。

データの削減

データは次式のように表される。
式
背景は、パーセントの細胞の浸潤の計算の前に減算されることがあります
RFU =相対蛍光ユニット。

Disclosures: アン試験管内でフルオロブロックの腫瘍の浸潤アッセイ

著者は、この記事で使用される試薬やツールを生成するBD Biosciences社の従業員です。

Materials: アン試験管内でフルオロブロックの腫瘍の浸潤アッセイ

Name Company Catalog Number Comments
BD BioCoat Tumor Invasion System BD Biosciences 354165 or 354166
HT-1080 and NIH/3T3 cells ATCC
Dulbecco’s Modified Eagle Medium (DMEM; serum-free)
Dulbecco’s Phosphate Buffered Saline, without calcium and magnesium (DPBS)
BD Falcon FluoroBlok 24-Multiwell Insert System to be used as a cell migration control BD Biosciences 351157 or 351158
5% Fetal Bovine Serum in DMEM
BD Calcein AM Fluorescent Dye BD Biosciences 354216 or 354217
Hanks’ Balanced Salt Solution (HBSS)
BD Falcon 24-well plates for post cell invasion labeling BD Biosciences 351147
Fluorescence plate reader with bottom reading capabilities PerkinElmer EnVision (R), TECAN Infinite (R), Molecular Devices SpectraMax (R), BioTek Synergy (TM), BMG LABTECH PHERAstar.

References: アン試験管内でフルオロブロックの腫瘍の浸潤アッセイ

  1. Sethi, G., Ahn, K.S., Pandey, M.K. & Aggarwal, B.B. Celastrol, a novel triterpene, potentiates TNF-induced apoptosis and suppresses invasion of tumor cells by inhibiting NF-κB-regulated gene products and TAK1-mediated NF-κB activation. Blood. 109, 2727-2735 (2007).
  2. Takada, Y., Kobayashi, Y. & Aggarwal, B.B. Evodiamine Aboloishes Constitutive and Inducible NF-κB Activation by Inhibiting IκBα Kinase Activation, Thereby Suppressing NF-κB-regulated Antiapoptotic and Metastatic Gene Expression, Up-regulating Apoptosis, and Inhibiting Invasion. J. Biol. Chem. 280, 17203-17212 (2005).
  3. Harikumar, K.B., Kunnumakkara, A.B., Ahn, K.S., Anand, P., Krishnan, S., Guha, S., Aggarwal, B.B. Modification of the cysteini residues in IκBα kinase and NF-κB (p65) by xanthohumol leads to suppression of NF-κB-regulated gene products and potentiation of apoptosis in leukemia cells. Blood. 113:2003-2013 (2009).
  4. Nair, A.S., Sishodia S., Ahn, K.S., Kunnumakkara, A.B., Sethi, G., Aggarwal, B.B. Deguelin, an Akt Inhibitor, Suppresses IκBα Kinase Activation Leading to Suppression of NF-κB-Regulated Gene Expression, Potentiation of Apoptosis, and Inhibition of Cellular Invasion. J. Immunol. 177:5612-5622 (2006).
  5. Partridge, J., Qian, S. Quantitative and High-Throughput Screening of Tumor Cell Invasion using a Cell-based Model. Society for Biomolecular Screening 2005 Conference. Geneva, Switzerland (http://www.bdbiosciences.com/discovery_labware/Products/pdf/S05B146.pdf)
  6. US 6,740,501,B2 , 2004 "An Improved In Vitro Device For Measuring Cell Invasion and Method for its Formation" Mannuzza, F., Flaherty, P., Ilsley, S., Kramer, M.
  7. Flaherty, P., Goldberger, A., Dery, O., "Effect of Fluorescent Cell Labeling on Tumor Invasion and Screening of Anti-Metastatic Compounds" Mole. Biol. Cell. 12:S 46a (2001).
  8. Flaherty, P., Mannuzza, F., Ilsley, S., Maliakal, J., Wu, M. Screening of Anti-Metastatic Compounds by a Fluorescence Based Tumor Invasion Assay. Screentech 2001 Conference, San Diego, CA (2001).
  9. Mannuzza, F., Flaherty, P., Wu, M., Ilsley, S. Development of a Quantitative, High-Throughput Assay System for the Discovery of Anti-Cancer Drugs. Proceedings of the Society for Biomolecular Screening, Edinburgh, SC,UK (1999).

Ask the Author: アン試験管内でフルオロブロックの腫瘍の浸潤アッセイ

13 Comments

Hy, is possible to use this system with cells GFP positive, if yes how is the method.

thanks adriana

1

Reply

Posted by: adriana zanettiJune 4, 2010, 4:45 AM

Adriana,

This can be done with very few changes from the above protocol.

Use the same cell density specified, but instead of staining after step 7, leave the medium in the apical chambers. (Do not take apart the system.) Simply read the plate as normal; GFP and calcein AM have similar spectra.

You can gather kinetic data from time zero in this manner, if you wish.

A useful reference is the specific product's guidelines for use, available on our website.

I hope this helps.

Jeff Partridge
BD Biosciences

1.1

Reply

Posted by: Jeff P.June 9, 2010, 11:50 AM

hello , I want to know how many cell lines can be performed in BD matrigel invasion assay chamber of 24 well plate . As i am working in 5 carcinoma cell line including the HT1080 . kindly help me how to perform this assay i have gone through the protocol and the vedio am doing for the first time . thank you

2

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Posted by: stella mary r.July 19, 2010, 6:23 AM

Thank you for watching.

If you are referring to cell lines in general, I would advise you to try any lines you think may be invasive.
If you mean can you try five different cell lines on one insert system (plate), you could easily do that with n=3 (replicates per cell line), and still get useful data.

I hope this helps.

Jeff Partridge
BD Biosciences

2.1

Reply

Posted by: Jeff P.July 20, 2010, 1:18 PM

Thank you Jeff patridge

Regards
stella

3

Reply

Posted by: stella mary r.July 21, 2010, 5:05 AM

Hello jeff

After the staining procedure in matrigel invasion chamber assay .How to identify the invaded cells and migrated cells as in control and test .After staining the cells are stained as pale red and red colur want to know how to count them.

Thanks

4

Reply

Posted by: stella mary r.July 23, 2010, 4:17 AM

Stella,

Please see our website for information about the Matrigel Invasion Chamber. The focus of this article is FluoroBlok.
In general, the systems are similar, but there are some differences that I cannot detail here.

Jeff Partridge
BD Biosciences

4.1

Reply

Posted by: Jeff P.July 27, 2010, 1:25 PM

Hello Jeff
As am doing the manual matrigel invasion chamber assay not the fluoroblok one, so i want to know is the cell count will be same as that u g et in fluoroblok . Please help in this issue.

Thanks stella

5

Reply

Posted by: stella mary r.July 26, 2010, 4:41 AM

Stella,

The trends will be similar, but the measurement systems are different: clear inserts are measured by visual counting of cells while FluoroBlok is measured using fluorescence detection.

Jeff Partridge
BD Biosciences

5.1

Reply

Posted by: Jeff P.July 27, 2010, 1:28 PM

I would like to perform a similar assay using neutrophils. This is to demonstrate anti-inflammation activity of some of my plant extracts. Is the matrigel necessary for my type of experiments? Or do you have inserts without the matrigel

6

Reply

Posted by: RonaldOctober 20, 2010, 4:02 AM

Ronald,

We have two technical bulletins that specifically reference immune cells and inserts:

Technical Bulletin #407 - An In Vitro Assay for Study of Neutrophil Migration Through Interstitial Matrix Using BD Falcon™ Cell Culture Inserts

Technical Bulletin #457 - Optimized Chemotaxis Conditions for Primary Blood Monocytes or THP-1 Cells Using BD Falcon™ FluoroBlok™ 96-Multiwell Insert Plates

These can be found in the Cell Culture Resources section of the BD Biosciences website at:
www.bdbiosciences.com/support/resources/cellculture/index.jsp

Jeff Partridge
BD Biosciences

6.1

Reply

Posted by: Jeff P.October 20, 2010, 11:01 AM

Hi Jeff,

I am wondering whether it is possible to isolate those invaded tumor cells for genomic DNA extraction. If yes, it there a protocol available?

Thanks,
Yukun

7

Reply

Posted by: Yukun PanOctober 28, 2010, 5:40 PM

Yukun,

You should be able to use enzymatic means to remove cells from the undersides of the inserts, similar to removing cells from TC surfaces.

Jeff Partridge
BD Biosciences

7.1

Reply

Posted by: Jeff P.November 2, 2010, 9:06 AM

Our microplate reader is not inside of our cell culture room. Due to safety restrictions, we cannon take cells out of our room. Is it possible to add Formaldehyde 4% during the post-labeling step without affecting/compromising the membranes? I know formaldehyde is used to do fluorescence readings, but we want to make sure we wont damage the results by adding them into the Calcein solution.

8

Reply

Posted by: Gustavo ChavarriaNovember 3, 2010, 3:11 PM

Hi,
I am interested in doing this assay in 96-well plates. The procedure to be followed would be same except for the amount of volume the wells can hold. So the cell suspension volume, chemoattractant and calcien volume to be prepared and aliquoted to indiviual wells may vary from that of 24-well plates. Can you please give the dimensions of 96-well plates, apical chamber.
Thanks

9

Reply

Posted by: RejiJanuary 15, 2012, 9:03 PM

Reji,

The quick answer is 3.18 mm diameter, but we do sell a 96 multiwell version of the tumor invasion system. Those guidelines for use are found at:
http://www.bdbiosciences.com/external_files/dl/doc/manuals/live/web_enabled/354167_354168_pug.pdf
while set-up guidelines (24 well and 96 well) for selected plate readers are at:
http://www.bdbiosciences.com/external_files/dl/doc/tech_bulletin/live/web_enabled/tb436.pdf
You can always find more information at:
http://www.bdbiosciences.com
Thanks,
Jeff

9.1

Reply

Posted by: Jeff P.January 16, 2012, 3:45 PM

Hi,
Thanks for the email. I have got the cell invasion kit from BD and about to start my experiment. I was looking into the link that you had sent me for the 96-well plate.
1. However, I have got some doubt pertaining to the testing of my novel anti-cancer compounds.
The intention of the experiment is to test the inhibitory potency of cell invasion through HT-1080 cells. When (at what stage) should I introduce the inhibitory compound solution into the apical chamber? (It’s not mentioned in the protocol).
2. On the instrument settings:
I will be measuring the end-point (NOT- real time)
Sensitivity
If this is going to be a low-signal endpoint assay (I am not sure what that means), 100 readings per well may be optimal as per the instrument manual. BUT,
In fluorescence intensity reading, the sample may photo bleach. SO it is recommended to use 10 readings or less. WHAT NUMBER OF READING WOULD BE OPTIMAL FOR THIS ASSAY?

Setting of gain-intensity, which would be optimal, HIGH or LOW.

In the technical bulletein #436, Set up guidelines are not mentioned for FLEX STATION 3 with SoftMax Pro 5, on which I would be doing my measurement. Your advice and suggestion would be very helpful as the instrument manufacture technical support group has nothing to contribute to this.

Thanks,
Reji

10

Reply

Posted by: RejiFebruary 27, 2012, 8:35 PM

Reji,

please contact BD Biosciences Discovery Labware technical support at 877.232.8995.

Jeff

11

Reply

Posted by: Jeff P.March 5, 2012, 1:01 PM

Hi,
I was wondering if I could use this system to meassure oxitaxis. any suggestions?

Thank you

12

Reply

Posted by: Ana C.September 25, 2012, 5:00 PM

Ana,

if you mean migration in an oxygen gradient, I do not think that could easily be done using this system.

Jeff

12.1

Reply

Posted by: Jeff P.September 26, 2012, 8:29 AM

Hola , la duda que tengo es de donde se obtienen los datos de:

MEAN RFU OF CELL MIGRATED THROUGH UNCOATED BD FLUOROBLOK MEMBRANE TOWARDS CHEMOATTRACTANT

gracias
para hacer el cálculo del % de invasión

13

Reply

Posted by: rocio m.October 24, 2012, 2:31 PM

Rocio-

this is part of the calculation of the % invasion (invasion index). We compare invasion through Matrigel then effectively use migration without Matrigel as the baseline.

Jeff

13.1

Reply

Posted by: Jeff P.October 25, 2012, 10:38 AM

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