APOE Genotype Determines Cancer Patients Most Likely to Benefit From Exercise

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November 21, 2022

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  • Oncotarget published this research paper in Volume 13, entitled, "Association of fall rate and functional status by APOE genotype in cancer survivors after exercise intervention" by researchers from Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, OR; School of Nursing, Oregon Health and Science University, Portland, OR; Department of Radiation Medicine, Oregon Health and Science University, Portland, OR; Department of Radiation Oncology, Dartmouth-Hitchcock’s Dartmouth Cancer Center, Lebanon, NH; Knight Cancer Institute, Oregon Health and Science University, Portland, OR; Department of Neurology and Division of Neuroscience, ONPRC, Oregon Health and Science University, Portland, OR. DOI - https://doi.org/10.18632/oncotarget.28310 Correspondence to - Jacob Raber - raberj@ohsu.edu Abstract Purpose/Objectives: Cancer treatment survivors often report impaired functioning and increased falls. Not all survivors experience the same symptom burden, suggesting individual susceptibilities. APOE genotype is a potential genetic risk factor for cancer treatment related side effects. Lifestyle factors such as physical activity can mitigate the effect of APOE genotype on measures of clinical interest in individuals without a history of cancer. We tested the hypothesis that APOE genotype influences cancer treatment related side effects and symptoms as well as response to exercise intervention. Materials and Methods: Data from a subsample of a study of fall prevention exercise in post-treatment female cancer survivors aged 50–75 years old (https://clinicaltrials.gov NCT01635413) were used to conduct a secondary data analysis. ApoE genotype was determined by serum sampling. Physical functioning, frequency of falls, and symptom burden were assessed using survey instruments. Results: Data from 126 female cancer survivors a median of 49 months out from cancer diagnosis were analyzed. ApoE4 carriers trended toward a higher fall rate at baseline (p = 0.059), but after exercise intervention had a fall rate lower than E4 non-carriers both immediately after structured intervention (p = 0.013) and after 6 months of follow up (p = 0.002). E2 carriers did not show improved measures of depressive symptoms and self-report disability after exercise intervention. E3 homozygotes showed increased self report physical activity after the 6 month exercise intervention, but E4 and E2 carriers did not. Conclusions: APOE genotype may modulate cancer treatment related side effects and symptoms and response to exercise intervention. Sign up for free Altmetric alerts about this article - https://oncotarget.altmetric.com/details/email_updates?id=10.18632%2Foncotarget.28310 Keywords - apoE, breast cancer, exercise intervention, fall rate, functional status About Oncotarget Oncotarget is a primarily oncology-focused, peer-reviewed, open access journal. Papers are published continuously within yearly volumes in their final and complete form, and then quickly released to Pubmed. On September 15, 2022, Oncotarget was accepted again for indexing by MEDLINE. Oncotarget is now indexed by Medline/PubMed and PMC/PubMed. To learn more about Oncotarget, please visit https://www.oncotarget.com and connect with us: SoundCloud - https://soundcloud.com/oncotarget Facebook - https://www.facebook.com/Oncotarget/ Twitter - https://twitter.com/oncotarget Instagram - https://www.instagram.com/oncotargetjrnl/ YouTube - https://www.youtube.com/OncotargetYouTube LinkedIn - https://www.linkedin.com/company/oncotarget Pinterest - https://www.pinterest.com/oncotarget/ Reddit - https://www.reddit.com/user/Oncotarget/ Media Contact MEDIA@IMPACTJOURNALS.COM 18009220957

    Analytical TechniquesCancer ResearchCell ScienceGenomics

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