Flashは、E12.5マウス脳の凍結とCryosectioning

Published 5/28/2007
13 Comments
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Biology

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Summary

このビデオで明らかに瞬間冷凍のためのテクニックであり、マウスの胚脳組織をセクショニング。クリオスタットを使用するための有用なヒントが得られる組織のセクションは、クラックや他の歪みのないことを保証するために削減しながら使用できるトラブルシューティングの方法を含めて、与えられている。

Cite this Article

Copy Citation

Currle, D. S., Monuki, E. S. Flash Freezing and Cryosectioning E12.5 Mouse Brain. J. Vis. Exp. (4), e198, doi:10.3791/198 (2007).

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Abstract

Protocol

  1. 希望の時間のためのPBS中4%パラホルムアルデヒドで細胞を固定してください。
  2. スクロース注入組織(cryoprotection)
    1. 2059チューブにPBS w / vの30%ショ糖液を作る。
    2. PBSの組織が3倍リンス(ロッキング付き〜5分)。
    3. 30%ショ糖溶液中で組織を置きます。組織は、シンクしません。
    4. ℃で一晩、または、それが沈没するまで4で組織を置きます。
  3. 情報と方向でcryomold適切なサイズのラベルを付けます。
  4. (泡を避けるため)OCTでcryomoldを埋める。
  5. OCTで、それをOCTの風呂に組織を移し、コート
  6. cryomoldのOCTに組織を移す。
  7. 顕微鏡下で東洋が組織。
  8. プラスチックシャーレに液体窒素を注ぎます。
  9. 迅速かつ慎重に窒素にcryomoldで組織を下げる。 (水没cryomoldの上部をしないでください。)
  10. OCTは、白色固体の場合は、-80ストレージ℃の冷凍庫に凍結組織を置く。
  11. 少なくとも30分間〜20℃に組織を平衡化させます。前の切片に。

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Materials

Name Company Catalog Number Comments
Tissue-Tek Cryomold Ted Pella, Inc. 27181
O.C.T. Ted Pella, Inc. 27050
Sucrose solution 30% sucrose solution in PBS w/v
paraformaldehyde 4% paraformaldehyde in PBS

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Comments

13 Comments

  1. great! thanks a lot.

    Reply
    Posted by: Anonymous
    September 25, 2007 - 2:01 PM
  2. The presentation was wonderful and I learned more from this video than what my conservative collegues in the lab explained me. Thanks a lot

    Reply
    Posted by: Anonymous
    May 29, 2008 - 4:58 PM
  3. I'm having some issues washing off the OCT with BPS from the slides. - I did some retrograde staining of peripheral nerves and I cross sectioned the spinal cord of mice-
    the problem is that as I add PBS drop by drop, or as I place the slide into plate with PBS liquid layer my samples keep falling off the slide..
    Any ideas? because I'm running out of them
    e-mail me please: jccs_85@hotmail.com

    Reply
    Posted by: Anonymous
    July 2, 2009 - 9:35 AM
  4. This is a great video demonstrating how to cryosection brain that will certainly help me with my future studies. I was wondering, is it always necessary and/or desirable to fix the brain with paraformaldahyde prior to cryoprotecting with sucrose? I seem to recall hearing for some applications, such as IHC, paraformaldahyde fixation may disrupt the antibody/antigen interaction for certain antibodies used. Would someone be willing to comment on this?

    Reply
    Posted by: Anonymous
    July 8, 2009 - 8:18 PM
  5. send me an e-mail at spencer.currle@stjude.com

    Reply
    Posted by: Anonymous
    July 9, 2009 - 10:32 AM
  6. This is a great video demonstrating how to cryosection brain that will certainly help me with my future studies. I was wondering, is it always necessary and/or desirable to fix the brain with paraformaldahyde prior to cryoprotecting with sucrose? I seem to recall hearing for some applications, such as IHC, paraformaldahyde fixation may disrupt the antibody/antigen interaction for certain antibodies used. Would someone be willing to comment on this?

    Reply
    Posted by: Anonymous
    July 9, 2009 - 4:42 PM
  7. I have the same question as Shelly. Some applications require fixing tissue after cryosectioning. Do you have a protocol for this?

    Reply
    Posted by: Anonymous
    September 20, 2010 - 3:03 PM
  8. Hello, my name is Xiang Weng, I am a student in Long Island University, department of Biomedical Science, I want to learn cryosectioning, thank you.

    Reply
    Posted by: Xiang W.
    October 5, 2012 - 11:24 AM
  9. Hello, my name is Xiang Weng, I am a student in Long Island University, department of Biomedical Science, I want to learn cryosectioning, thank you.

    Reply
    Posted by: Xiang W.
    October 5, 2012 - 11:35 AM
  10. I have looked all over for the answer but I cannot find it: How many seconds (or how long in general) dŒs it take to flash freeze a serum lab sample using ethanol and dried ice? Thanks!

    Reply
    Posted by: Michele K.
    April 3, 2013 - 8:51 PM
  11. Hello, i am Kudirat, i am a student from University of Barcelona, department of Analytical Chemistry but basically I am in research area of Chemometric. Currently, we are working on a project where we want to get cryosections of Daphnia magna.
    Here are what we have done:
    1 ) We prepare the sample embedding it with 100% OCT, and flash freezing with Liquid Nitrogen directly.
    2) Finally we cut with the microtome cryostat between 12-20 um, which was not sucessful.

    What we have not done.
    1) Fix the sample. This is because we thought it might affect in our results since we are planning to acquire images with these cryosections in FT-IR Spectroscopy.

    At this moment we are planning to try chemical fixation, any suggestions would be greatly appreciated since we have little idea of biology.

    Thank you.


    Reply
    Posted by: Anonymous
    March 14, 2017 - 6:01 AM

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