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Membrane molecules mobile even after chemical fixation
Abstract
Lyn, H-ras, Cbp and TfR (we observed ~70% immobilization of GPI-anchored proteins, on average, depending strongly on the protein; Fig. 1b and Supplementary Figs. 3–5). Increasing glutaraldehyde concentration to 0.2% or methanol (100%) fixation resulted in immobilization of >80% GPI-anchored proteins but not of phospholipids or cholesterol. We then investigated antibody-induced clustering under different fixation conditions by measuring the fluorescence intensities of individual spots (Supplementary Fig. 6). Whereas treatment with 4% paraformaldehyde with or without 0.1% glutaraldehyde did not itself induce clustering, paraformaldehyde treatment did not block antibody-induced clustering of Halo-GPI and Halo–H-ras. Including 0.1% glutaraldehyde in addition to 4% paraformaldehyde suppressed clustering but did not entirely inhibit it. These results indicate that, in interpreting immunolocalization data, antibody-induced clustering Membrane molecules mobile even after chemical fixation
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Cited by
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Yamakoshi, H., Dodo, K., Palonpon, A., Ando, J., Fujita, K., Kawata, S., & Sodeoka, M. (2012) · Journal of the American Chemical Society · doi:10.1021/ja308529n · Cited by 461
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Sheng, R., Chen, Y., Yung Gee, H., Stec, E., Melowic, H. R., Blatner, N. R., Tun, M. P., Kim, Y., Källberg, M., Fujiwara, T. K., et al. (2012) · Nature Communications · doi:10.1038/ncomms2221 · Cited by 179
Self-citationPetersen, E. N., Pavel, M. A., Wang, H., & Hansen, S. B. (2020) · Biochimica et Biophysica Acta (BBA) - Biomembranes · doi:10.1016/j.bbamem.2019.183091 · Cited by 36
Erazo-Oliveras, A., Muñoz-Vega, M., Mlih, M., Thiriveedi, V., Salinas, M. L., Rivera-Rodríguez, J. M., Kim, E., Wright, R. C., Wang, X., Landrock, K. K., et al. (2023) · Nature Communications · doi:10.1038/s41467-023-39640-w · Cited by 27
Metadata
- Authors
- Tanaka, K. A. K., Suzuki, K. G. N., Shirai, Y. M., Shibutani, S. T., Miyahara, M. S. H., Tsuboi, H., Yahara, M., Yoshimura, A., Mayor, S., Fujiwara, T. K., & Kusumi, A.
- Venue
- Nature Methods
- Published
- 2010-10-03
- Volume
- 7
- Issue
- 11
- Pages
- 865-866
- ISSN
- 1548-7091 (ISSN-L)
- 1548-7105
- OpenAlex
- W2062409614
- Cited by
- 315
- References
- 0
- FWCI
- 4.61
- Type
- journal article
- Language
- en
- Open access
- closed
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