Ararat Chakhoyan

Title(s)Postdoctoral Scholar - Research Associate
Address1501 San Pablo St.
Health Sciences Campus
Los Angeles CA 90033
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Editorial for "MRI-Based Investigation of Association Between Cerebrovascular Structural Alteration and White Matter Hyperintensity Induced by High Blood Pressure". J Magn Reson Imaging. 2021 Jul 31. Huuskonen MT, Barisano G, Chakhoyan A, Zlokovic BV. PMID: 34331486.
      View in: PubMed   Mentions:    Fields:    
    2. Simultaneous Mapping of Vasculature, Hypoxia, and Proliferation Using Dynamic Susceptibility Contrast MRI, 18F-FMISO PET, and 18F-FLT PET in Relation to Contrast Enhancement in Newly Diagnosed Glioblastoma. J Nucl Med. 2021 Oct; 62(10):1349-1356. Collet S, Guillamo JS, Berro DH, Chakhoyan A, Constans JM, Lechapt-Zalcman E, Derlon JM, Hatt M, Visvikis D, Guillouet S, Perrio C, Bernaudin M, Valable S. PMID: 34016725.
      View in: PubMed   Mentions:    Fields:    
    3. APOE4 leads to blood-brain barrier dysfunction predicting cognitive decline. Nature. 2020 05; 581(7806):71-76. Montagne A, Nation DA, Sagare AP, Barisano G, Sweeney MD, Chakhoyan A, Pachicano M, Joe E, Nelson AR, D'Orazio LM, Buennagel DP, Harrington MG, Benzinger TLS, Fagan AM, Ringman JM, Schneider LS, Morris JC, Reiman EM, Caselli RJ, Chui HC, Tcw J, Chen Y, Pa J, Conti PS, Law M, Toga AW, Zlokovic BV. PMID: 32376954.
      View in: PubMed   Mentions: 134     Fields:    Translation:HumansCells
    4. Multiparametric MR-PET Imaging Predicts Pharmacokinetics and Clinical Response to GDC-0084 in Patients with Recurrent High-Grade Glioma. Clin Cancer Res. 2020 07 01; 26(13):3135-3144. Ellingson BM, Yao J, Raymond C, Nathanson DA, Chakhoyan A, Simpson J, Garner JS, Olivero AG, Mueller LU, Rodon J, Gerstner E, Cloughesy TF, Wen PY. PMID: 32269051.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansCTClinical Trials
    5. Metabolic characterization of human IDH mutant and wild type gliomas using simultaneous pH- and oxygen-sensitive molecular MRI. Neuro Oncol. 2019 09 06; 21(9):1184-1196. Yao J, Chakhoyan A, Nathanson DA, Yong WH, Salamon N, Raymond C, Mareninov S, Lai A, Nghiemphu PL, Prins RM, Pope WB, Everson RG, Liau LM, Cloughesy TF, Ellingson BM. PMID: 31066901.
      View in: PubMed   Mentions: 8     Fields:    Translation:HumansCells
    6. Association between Tumor Acidity and Hypervascularity in Human Gliomas Using pH-Weighted Amine Chemical Exchange Saturation Transfer Echo-Planar Imaging and Dynamic Susceptibility Contrast Perfusion MRI at 3T. AJNR Am J Neuroradiol. 2019 06; 40(6):979-986. Wang YL, Yao J, Chakhoyan A, Raymond C, Salamon N, Liau LM, Nghiemphu PL, Lai A, Pope WB, Nguyen N, Ji M, Cloughesy TF, Ellingson BM. PMID: 31097430.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    7. Probabilistic independent component analysis of dynamic susceptibility contrast perfusion MRI in metastatic brain tumors. Cancer Imaging. 2019 Mar 18; 19(1):14. Chakhoyan A, Raymond C, Chen J, Goldman J, Yao J, Kaprealian TB, Pouratian N, Ellingson BM. PMID: 30885275.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    8. pH-weighted amine chemical exchange saturation transfer echoplanar imaging (CEST-EPI) as a potential early biomarker for bevacizumab failure in recurrent glioblastoma. J Neurooncol. 2019 May; 142(3):587-595. Yao J, Tan CHP, Schlossman J, Chakhoyan A, Raymond C, Pope WB, Salamon N, Lai A, Ji M, Nghiemphu PL, Liau LM, Cloughesy TF, Ellingson BM. PMID: 30806888.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    9. Validation of vessel size imaging (VSI) in high-grade human gliomas using magnetic resonance imaging, image-guided biopsies, and quantitative immunohistochemistry. Sci Rep. 2019 02 26; 9(1):2846. Chakhoyan A, Yao J, Leu K, Pope WB, Salamon N, Yong W, Lai A, Nghiemphu PL, Everson RG, Prins RM, Liau LM, Nathanson DA, Cloughesy TF, Ellingson BM. PMID: 30808879.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    10. pH-weighted molecular MRI in human traumatic brain injury (TBI) using amine proton chemical exchange saturation transfer echoplanar imaging (CEST EPI). Neuroimage Clin. 2019; 22:101736. Ellingson BM, Yao J, Raymond C, Chakhoyan A, Khatibi K, Salamon N, Villablanca JP, Wanner I, Real CR, Laiwalla A, McArthur DL, Monti MM, Hovda DA, Vespa PM. PMID: 30826686.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    11. Post-chemoradiation volumetric response predicts survival in newly diagnosed glioblastoma treated with radiation, temozolomide, and bevacizumab or placebo. Neuro Oncol. 2018 10 09; 20(11):1525-1535. Ellingson BM, Abrey LE, Garcia J, Chinot O, Wick W, Saran F, Nishikawa R, Henriksson R, Mason WP, Harris RJ, Leu K, Woodworth DC, Mehta A, Raymond C, Chakhoyan A, Pope WB, Cloughesy TF. PMID: 29897562.
      View in: PubMed   Mentions: 6     Fields:    Translation:HumansCTClinical Trials
    12. Volumetric response quantified using T1 subtraction predicts long-term survival benefit from cabozantinib monotherapy in recurrent glioblastoma. Neuro Oncol. 2018 09 03; 20(10):1411-1418. Ellingson BM, Aftab DT, Schwab GM, Hessel C, Harris RJ, Woodworth DC, Leu K, Chakhoyan A, Raymond C, Drappatz J, de Groot J, Prados MD, Reardon DA, Schiff D, Chamberlain M, Mikkelsen T, Desjardins A, Holland J, Ping J, Weitzman R, Wen PY, Cloughesy TF. PMID: 29660005.
      View in: PubMed   Mentions: 9     Fields:    Translation:HumansCTClinical Trials
    13. Mono-exponential, diffusion kurtosis and stretched exponential diffusion MR imaging response to chemoradiation in newly diagnosed glioblastoma. J Neurooncol. 2018 Sep; 139(3):651-659. Chakhoyan A, Woodworth DC, Harris RJ, Lai A, Nghiemphu PL, Liau LM, Pope WB, Cloughesy TF, Ellingson BM. PMID: 29855771.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    14. 18F-FDOPA PET and MRI characteristics correlate with degree of malignancy and predict survival in treatment-naïve gliomas: a cross-sectional study. J Neurooncol. 2018 Sep; 139(2):399-409. Patel CB, Fazzari E, Chakhoyan A, Yao J, Raymond C, Nguyen H, Manoukian J, Nguyen N, Pope W, Cloughesy TF, Nghiemphu PL, Czernin J, Lai A, Ellingson BM. PMID: 29679199.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    15. Simultaneous pH-sensitive and oxygen-sensitive MRI of human gliomas at 3 T using multi-echo amine proton chemical exchange saturation transfer spin-and-gradient echo echo-planar imaging (CEST-SAGE-EPI). Magn Reson Med. 2018 11; 80(5):1962-1978. Harris RJ, Yao J, Chakhoyan A, Raymond C, Leu K, Liau LM, Nghiemphu PL, Lai A, Salamon N, Pope WB, Cloughesy TF, Ellingson BM. PMID: 29626359.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    16. Improved Spatiotemporal Resolution of Dynamic Susceptibility Contrast Perfusion MRI in Brain Tumors Using Simultaneous Multi-Slice Echo-Planar Imaging. AJNR Am J Neuroradiol. 2018 01; 39(1):43-45. Chakhoyan A, Leu K, Pope WB, Cloughesy TF, Ellingson BM. PMID: 29074632.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    17. FMISO-PET-derived brain oxygen tension maps: application to glioblastoma and less aggressive gliomas. Sci Rep. 2017 08 31; 7(1):10210. Chakhoyan A, Guillamo JS, Collet S, Kauffmann F, Delcroix N, Lechapt-Zalcman E, Constans JM, Petit E, MacKenzie ET, Barré L, Bernaudin M, Touzani O, Valable S. PMID: 28860608.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    18. Diffusion MRI Phenotypes Predict Overall Survival Benefit from Anti-VEGF Monotherapy in Recurrent Glioblastoma: Converging Evidence from Phase II Trials. Clin Cancer Res. 2017 Oct 01; 23(19):5745-5756. Ellingson BM, Gerstner ER, Smits M, Huang RY, Colen R, Abrey LE, Aftab DT, Schwab GM, Hessel C, Harris RJ, Chakhoyan A, Gahrmann R, Pope WB, Leu K, Raymond C, Woodworth DC, de Groot J, Wen PY, Batchelor TT, van den Bent MJ, Cloughesy TF. PMID: 28655794.
      View in: PubMed   Mentions: 19     Fields:    Translation:HumansCTClinical Trials
    19. Carbogen-induced increases in tumor oxygenation depend on the vascular status of the tumor: A multiparametric MRI study in two rat glioblastoma models. J Cereb Blood Flow Metab. 2017 Jun; 37(6):2270-2282. Chakhoyan A, Corroyer-Dulmont A, Leblond MM, Gérault A, Toutain J, Chazaviel L, Divoux D, Petit E, MacKenzie ET, Kauffmann F, Delcroix N, Bernaudin M, Touzani O, Valable S. PMID: 27496553.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansAnimals
    20. Imaging of brain oxygenation with magnetic resonance imaging: A validation with positron emission tomography in the healthy and tumoural brain. J Cereb Blood Flow Metab. 2017 Jul; 37(7):2584-2597. Valable S, Corroyer-Dulmont A, Chakhoyan A, Durand L, Toutain J, Divoux D, Barré L, MacKenzie ET, Petit E, Bernaudin M, Touzani O, Barbier EL. PMID: 27702880.
      View in: PubMed   Mentions: 12     Fields:    Translation:AnimalsCells
    21. Imaging Modalities to Assess Oxygen Status in Glioblastoma. Front Med (Lausanne). 2015; 2:57. Corroyer-Dulmont A, Chakhoyan A, Collet S, Durand L, MacKenzie ET, Petit E, Bernaudin M, Touzani O, Valable S. PMID: 26347870.
      View in: PubMed   Mentions:
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