Filter trapping protocol to detect aggregated proteins in human cell lines

Summary: The loss of protein homeostasis results in cytotoxic protein aggregates, a common hallmark of aging and neurological diseases. Here, we present an adjusted filter-trapping assay protocol to detect global aggregated proteins in human cell lines, via a high-sensitive protein staining method....

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Main Authors: Jagat K. Chhipi-Shrestha, Minoru Yoshida, Shintaro Iwasaki
Format: Article
Language:English
Published: Elsevier 2022-09-01
Series:STAR Protocols
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2666166722004518
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author Jagat K. Chhipi-Shrestha
Minoru Yoshida
Shintaro Iwasaki
author_facet Jagat K. Chhipi-Shrestha
Minoru Yoshida
Shintaro Iwasaki
author_sort Jagat K. Chhipi-Shrestha
collection DOAJ
description Summary: The loss of protein homeostasis results in cytotoxic protein aggregates, a common hallmark of aging and neurological diseases. Here, we present an adjusted filter-trapping assay protocol to detect global aggregated proteins in human cell lines, via a high-sensitive protein staining method. This protocol also details an alternative approach to monitor specific protein aggregates trapped in the filter membrane, by subsequent immunoblotting of ectopically expressed and endogenous proteins.For complete details on the use and execution of this protocol, please refer to Chhipi-Shrestha et al. (2022). : Publisher’s note: Undertaking any experimental protocol requires adherence to local institutional guidelines for laboratory safety and ethics.
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spelling doaj.art-a2b2cde2e8eb41b681f7cfc9131fd6572022-12-22T00:44:06ZengElsevierSTAR Protocols2666-16672022-09-0133101571Filter trapping protocol to detect aggregated proteins in human cell linesJagat K. Chhipi-Shrestha0Minoru Yoshida1Shintaro Iwasaki2Chemical Genomics Research Group, RIKEN Center for Sustainable Resource Science, Wako, Saitama 351-0198, JapanChemical Genomics Research Group, RIKEN Center for Sustainable Resource Science, Wako, Saitama 351-0198, Japan; Department of Biotechnology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan; Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan; Corresponding authorRNA Systems Biochemistry Laboratory, RIKEN Cluster for Pioneering Research, Wako, Saitama 351-0198, Japan; Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba 277-8561, Japan; Corresponding authorSummary: The loss of protein homeostasis results in cytotoxic protein aggregates, a common hallmark of aging and neurological diseases. Here, we present an adjusted filter-trapping assay protocol to detect global aggregated proteins in human cell lines, via a high-sensitive protein staining method. This protocol also details an alternative approach to monitor specific protein aggregates trapped in the filter membrane, by subsequent immunoblotting of ectopically expressed and endogenous proteins.For complete details on the use and execution of this protocol, please refer to Chhipi-Shrestha et al. (2022). : Publisher’s note: Undertaking any experimental protocol requires adherence to local institutional guidelines for laboratory safety and ethics.http://www.sciencedirect.com/science/article/pii/S2666166722004518Molecular BiologyProtein BiochemistryProtein expression and purification
spellingShingle Jagat K. Chhipi-Shrestha
Minoru Yoshida
Shintaro Iwasaki
Filter trapping protocol to detect aggregated proteins in human cell lines
STAR Protocols
Molecular Biology
Protein Biochemistry
Protein expression and purification
title Filter trapping protocol to detect aggregated proteins in human cell lines
title_full Filter trapping protocol to detect aggregated proteins in human cell lines
title_fullStr Filter trapping protocol to detect aggregated proteins in human cell lines
title_full_unstemmed Filter trapping protocol to detect aggregated proteins in human cell lines
title_short Filter trapping protocol to detect aggregated proteins in human cell lines
title_sort filter trapping protocol to detect aggregated proteins in human cell lines
topic Molecular Biology
Protein Biochemistry
Protein expression and purification
url http://www.sciencedirect.com/science/article/pii/S2666166722004518
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