{"doi":"10.1101/2022.10.24.511787","title":"Oncogenic context shapes the fitness landscape of tumor suppression","abstract":"ABSTRACT Tumors acquire alterations in oncogenes and tumor suppressor genes in an adaptive walk through the fitness landscape of tumorigenesis. However, the features of this landscape remain poorly understood and cannot be revealed by human cancer genotyping alone. Here, we use a multiplexed, autochthonous mouse platform to model and quantify the initiation and growth of more than one hundred genotypes of lung tumors across four oncogenic contexts: KRAS G12D, KRAS G12C, BRAF V600E, and EGFR L858R. The resulting fitness landscape is rugged (the effect of tumor suppressor inactivation often switches between beneficial and deleterious depending on the oncogenic context), shows no evidence of diminishing-returns epistasis within variants of the same oncogene, and is inconsistent with expectations of a simple linear signaling relationship among these three oncogenes. Our findings suggest that tumor suppressor effects are strongly context-specific, which limits the set of evolutionary paths that can be taken through the fitness landscape.","journal":"bioRxiv (Cold Spring Harbor Laboratory)","year":2022,"id":297430,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":10,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9458,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2022-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":985446,"name":"Joseph Juan","orcid":"0000-0002-2949-8338","position":1,"is_corresponding":false},{"id":986002,"name":"Lafia Sebastian","orcid":null,"position":2,"is_corresponding":false},{"id":986003,"name":"Vy B. Tran","orcid":null,"position":3,"is_corresponding":false},{"id":986004,"name":"Wensheng Nie","orcid":null,"position":4,"is_corresponding":false},{"id":986005,"name":"Gregory D. Wall","orcid":null,"position":5,"is_corresponding":false},{"id":986006,"name":"Mehmet Gerceker","orcid":null,"position":6,"is_corresponding":false},{"id":590049,"name":"Ian Lai","orcid":"0000-0001-8662-7290","position":7,"is_corresponding":false},{"id":986007,"name":"Edwin A. Apilado","orcid":null,"position":8,"is_corresponding":false},{"id":986008,"name":"Gabriel Grenot","orcid":null,"position":9,"is_corresponding":false},{"id":235318,"name":"David Amar","orcid":"0000-0002-9719-0837","position":10,"is_corresponding":false},{"id":566887,"name":"Giorgia Foggetti","orcid":"0000-0003-1844-1413","position":11,"is_corresponding":false},{"id":506188,"name":"Mariana DoCarmo","orcid":"0000-0002-7467-9058","position":12,"is_corresponding":false},{"id":985447,"name":"Zeynep B. Uğur","orcid":"0000-0002-5141-2529","position":13,"is_corresponding":false},{"id":986009,"name":"Debbie Deng","orcid":null,"position":14,"is_corresponding":false},{"id":986010,"name":"Alex Chenchik","orcid":null,"position":15,"is_corresponding":false},{"id":263584,"name":"María Paz Zafra","orcid":"0000-0001-9303-0097","position":16,"is_corresponding":false},{"id":237945,"name":"Lukas E. Dow","orcid":"0000-0001-7048-1418","position":17,"is_corresponding":false},{"id":1261,"name":"Katerina Politi","orcid":"0000-0001-6064-4527","position":18,"is_corresponding":false},{"id":986011,"name":"Jonathan J. MacQuitty","orcid":null,"position":19,"is_corresponding":false},{"id":264408,"name":"Dmitri A. Petrov","orcid":"0000-0002-3664-9130","position":20,"is_corresponding":false},{"id":71713,"name":"Monte M. Winslow","orcid":"0000-0002-5730-9573","position":21,"is_corresponding":false},{"id":52086,"name":"Michael Rosen","orcid":"0000-0002-8842-6692","position":22,"is_corresponding":false},{"id":270191,"name":"Ian P. Winters","orcid":"0000-0002-3497-3228","position":23,"is_corresponding":false},{"id":985445,"name":"Lily Blair","orcid":"0000-0003-4739-5161","position":0,"is_corresponding":true}],"reference_count":57,"raw_metadata":null,"created_at":"2026-07-19T00:31:26.161109Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}