ZIC-cHILIC as a fractionation method for sensitive and powerful shotgun proteomics.
Multidimensional liquid chromatography (LC) combined with mass spectrometry (MS) has become a standard technique in proteomics to reduce sample complexity and to tackle the dynamic range in protein abundance. Fractionation is necessary to obtain a comprehensive analysis of complex biological samples...
| Main Authors: | , , |
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| Format: | Journal article |
| Language: | English |
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2012
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| _version_ | 1826277528418910208 |
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| author | Di Palma, S Mohammed, S Heck, A |
| author_facet | Di Palma, S Mohammed, S Heck, A |
| author_sort | Di Palma, S |
| collection | OXFORD |
| description | Multidimensional liquid chromatography (LC) combined with mass spectrometry (MS) has become a standard technique in proteomics to reduce sample complexity and to tackle the dynamic range in protein abundance. Fractionation is necessary to obtain a comprehensive analysis of complex biological samples such as tissue and mammalian cell lines. However, extensive fractionation comes at the expense of sample loss, presenting a bottleneck in the analysis of limited amounts of material. In this protocol, we describe a two-dimensional chromatographic strategy based on a combination of hydrophilic interaction liquid chromatography (HILIC; with a zwitterionic packing material, ZIC-cHILIC) and reversed-phase chromatography, which allows proteomic analyses with minimal sample loss. Experimental aspects related to obtaining maximum recovery are discussed, including how to optimally prepare samples for this system. Examples involving protein lysates originating from cultured cell lines and cells sorted by flow cytometry are used to show the power, sensitivity and versatility of the technique. Once the ZIC-cHILIC fractionation system has been optimized and standardized, this protocol requires ∼5-6 d, including sample preparation and fraction analysis. |
| first_indexed | 2024-03-06T23:30:15Z |
| format | Journal article |
| id | oxford-uuid:6bc84d82-28b2-4abe-8303-a2e1ce30a264 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T23:30:15Z |
| publishDate | 2012 |
| record_format | dspace |
| spelling | oxford-uuid:6bc84d82-28b2-4abe-8303-a2e1ce30a2642022-03-26T19:06:25ZZIC-cHILIC as a fractionation method for sensitive and powerful shotgun proteomics.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:6bc84d82-28b2-4abe-8303-a2e1ce30a264EnglishSymplectic Elements at Oxford2012Di Palma, SMohammed, SHeck, AMultidimensional liquid chromatography (LC) combined with mass spectrometry (MS) has become a standard technique in proteomics to reduce sample complexity and to tackle the dynamic range in protein abundance. Fractionation is necessary to obtain a comprehensive analysis of complex biological samples such as tissue and mammalian cell lines. However, extensive fractionation comes at the expense of sample loss, presenting a bottleneck in the analysis of limited amounts of material. In this protocol, we describe a two-dimensional chromatographic strategy based on a combination of hydrophilic interaction liquid chromatography (HILIC; with a zwitterionic packing material, ZIC-cHILIC) and reversed-phase chromatography, which allows proteomic analyses with minimal sample loss. Experimental aspects related to obtaining maximum recovery are discussed, including how to optimally prepare samples for this system. Examples involving protein lysates originating from cultured cell lines and cells sorted by flow cytometry are used to show the power, sensitivity and versatility of the technique. Once the ZIC-cHILIC fractionation system has been optimized and standardized, this protocol requires ∼5-6 d, including sample preparation and fraction analysis. |
| spellingShingle | Di Palma, S Mohammed, S Heck, A ZIC-cHILIC as a fractionation method for sensitive and powerful shotgun proteomics. |
| title | ZIC-cHILIC as a fractionation method for sensitive and powerful shotgun proteomics. |
| title_full | ZIC-cHILIC as a fractionation method for sensitive and powerful shotgun proteomics. |
| title_fullStr | ZIC-cHILIC as a fractionation method for sensitive and powerful shotgun proteomics. |
| title_full_unstemmed | ZIC-cHILIC as a fractionation method for sensitive and powerful shotgun proteomics. |
| title_short | ZIC-cHILIC as a fractionation method for sensitive and powerful shotgun proteomics. |
| title_sort | zic chilic as a fractionation method for sensitive and powerful shotgun proteomics |
| work_keys_str_mv | AT dipalmas zicchilicasafractionationmethodforsensitiveandpowerfulshotgunproteomics AT mohammeds zicchilicasafractionationmethodforsensitiveandpowerfulshotgunproteomics AT hecka zicchilicasafractionationmethodforsensitiveandpowerfulshotgunproteomics |