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The salivary proteome in relation to oral mucositis in autologous hematopoietic stem cell transplantation recipients: a labelled and label-free proteomics approach-TMTdata

ABSTRACT: Decreased salivary flow rates and/or changes in protein composition reported after autologous hematopoietic stem cell transplantation (ASCT) reduces the protective function of saliva. This might be associated with the development of oral mucositis (OM), an inflammation of the oral mucosa as a result of chemotherapy before ASCT which affects patients? quality of life and risk factor for systemic infections. In this study, a TMT-labelled proteomics experiment, a label-free quantification (LFQ) proteomics experiment and a DIA-MS proteomics experiment were used to identify differences in the salivary proteome between patients with ulcerative OM (uOM; WHO score ? 2) and those without (nOM). For the TMT-labelled experiment, saliva samples of 5 uOM and 5 nOM were pooled at different time points: baseline, 1, 2, and 3 weeks after ASCT and 3 months after ASCT. A different salivary proteome was suggested by a distinct clustering of the OM pools at baseline, week 2 and week 3 after ASCT.

INSTRUMENT(S): LTQ Orbitrap Velos

ORGANISM(S): Homo Sapiens (human) Human Oral Bacteria Ensemble

TISSUE(S): Saliva

DISEASE(S): Mucositis

SUBMITTER: An Staes

LAB HEAD: Nicole M.A. Blijlevens

PROVIDER: PXD033603 | Pride | 2023-07-10

REPOSITORIES: Pride

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Dataset's files

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			Action	DRS
	PR460_SVL_TMT10plex1_1_7.mgf	Mgf
	PR460_SVL_TMT10plex1_1_7.msgf.mzid.gz	Mzid
	PR460_SVL_TMT10plex1_1_7.omx	Other
	PR460_SVL_TMT10plex1_1_7.raw	Raw
	PR460_SVL_TMT6plex_1_2_8.mgf	Mgf

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The salivary proteome in relation to oral mucositis in autologous hematopoietic stem cell transplantation recipients: a labelled and label-free proteomics approach-DDALFQ

Project description:Decreased salivary flow rates and/or changes in protein composition reported after autologous hematopoietic stem cell transplantation (ASCT) reduces the protective function of saliva. This might be associated with the development of oral mucositis (OM), an inflammation of the oral mucosa as a result of chemotherapy before ASCT which affects patients? quality of life and risk factor for systemic infections. In this study, a TMT-labelled proteomics experiment, a label-free quantification (LFQ) proteomics experiment and a DIA-MS proteomics experiment were used to identify differences in the salivary proteome between patients with ulcerative OM (uOM; WHO score ? 2) and those without (nOM). For the TMT-labelled experiment, saliva samples of 5 uOM and 5 nOM were pooled at different time points: baseline, 1, 2, and 3 weeks after ASCT and 3 months after ASCT. A different salivary proteome was suggested by a distinct clustering of the OM pools at baseline, week 2 and week 3 after ASCT.

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