Proteomics

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Passage of transmissible cancers in the Tasmanian devil is due to a dominant, shared peptide motif and a limited repertoire of MHC-I allotypes


ABSTRACT: Transmissible cancers are spread via the passage of malignant cells. The survival of the Tasmanian devil, the largest marsupial carnivore, is threatened by two independent transmissible cancers, devil facial tumour (DFT) 1 and devil facial tumour 2 (DFT2). To aid the development of a peptide vaccine and to interrogate how histocompatibility barriers can be overcome, we analysed the peptides bound to Major Histocompatibility Complex class I molecules from the Tasmanian devil and its transmissible tumours.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Sarcophilus Harrisii

TISSUE(S): Cell Culture

SUBMITTER: Sri Ramarathinam  

LAB HEAD: Anthony Wayne Purcell

PROVIDER: PXD020614 | Pride | 2021-02-08

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
20170929_sr_DFT1_mhc_rep1_A1.raw Raw
20170929_sr_DFT1_mhc_rep1_A10.raw Raw
20170929_sr_DFT1_mhc_rep1_A2.raw Raw
20170929_sr_DFT1_mhc_rep1_A3.raw Raw
20170929_sr_DFT1_mhc_rep1_A4.raw Raw
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Publications

The immunopeptidomes of two transmissible cancers and their host have a common, dominant peptide motif.

Gastaldello Annalisa A   Ramarathinam Sri H SH   Bailey Alistair A   Owen Rachel R   Turner Steven S   Kontouli N N   Elliott Tim T   Skipp Paul P   Purcell Anthony W AW   Siddle Hannah V HV  

Immunology 20210204 2


Transmissible cancers are malignant cells that can spread between individuals of a population, akin to both a parasite and a mobile graft. The survival of the Tasmanian devil, the largest remaining marsupial carnivore, is threatened by the remarkable emergence of two independent lineages of transmissible cancer, devil facial tumour (DFT) 1 and devil facial tumour 2 (DFT2). To aid the development of a vaccine and to interrogate how histocompatibility barriers can be overcome, we analysed the pept  ...[more]

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