Proteomics

Dataset Information

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Rhabdomyosarcoma surfaceome profiling with six fusion-positive (FP) RMS cell lines, five fusion-negative (FN) RMS cell lines, and three ARMS patient-derived xenografts (PDXs)


ABSTRACT: Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma in children. Prognosis for patients with high grade and metastatic disease is still very poor, and survivors are burdened with long-lasting side effects. Therefore, more effective and less toxic therapies are needed. Surface proteins are ideal targets for antibody-based therapies, like bispecific antibodies, antibody drug conjugates, or chimeric antigen receptor (CAR) T cell. Specific surface targets for RMS are scarce. Here, we performed a surfaceome profiling based on differential centrifugation enrichment of surface/membrane proteins and detection by LC-MS on six fusion-positive (FP) RMS cell lines, five fusion-negative (FN) RMS cell lines, and three RMS patient-derived xenografts (PDXs). 699 proteins were detected in the three RMS groups. Ranking based on expression levels and comparison to expression in normal MRC-5 fibroblasts and myoblasts, followed by statistical analysis, highlighted known RMS targets such as FGFR4, NCAM1, and CD276/B7-H3, and revealed AGRL2, JAM3, MEGF10, GPC4, CADM2, as potential targets for immunotherapies of RMS. L1CAM expression was investigated in RMS tissues and strong L1CAM expression was observed in more than 80% of alveolar RMS tumors, making it a practicable target for antibody-based therapies of alveolar RMS.

INSTRUMENT(S): Orbitrap Fusion Lumos

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Permanent Cell Line Cell, Cell Culture

DISEASE(S): Alveolar Rhabdomyosarcoma,Rhabdomyosarcoma,Embryonal Rhabdomyosarcoma

SUBMITTER: Michele Bernasconi  

LAB HEAD: Michele Bernasconi

PROVIDER: PXD039480 | Pride | 2023-03-11

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
20210720_MQout_AT.zip Other
20210720_MQres_AT.xlsx Xlsx
SProt_HomoSapiens_cano_iso_2021_04fasta.sec Other
checksum.txt Txt
contaminantsfasta.sec Other
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Publications

Surfaceome Profiling of Cell Lines and Patient-Derived Xenografts Confirm FGFR4, NCAM1, CD276, and Highlight AGRL2, JAM3, and L1CAM as Surface Targets for Rhabdomyosarcoma.

Timpanaro Andrea A   Piccand Caroline C   Uldry Anne-Christine AC   Bode Peter Karl PK   Dzhumashev Dzhangar D   Sala Rita R   Heller Manfred M   Rössler Jochen J   Bernasconi Michele M  

International journal of molecular sciences 20230130 3


Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma in children. The prognosis for patients with high-grade and metastatic disease is still very poor, and survivors are burdened with long-lasting side effects. Therefore, more effective and less toxic therapies are needed. Surface proteins are ideal targets for antibody-based therapies, like bispecific antibodies, antibody-drug conjugates, or chimeric antigen receptor (CAR) T-cells. Specific surface targets for RMS are scarce. Here, we  ...[more]

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