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Karathanasis N, Papasavva PL, Oulas A, Spyrou GM. Combining clinical and molecular data for personalized treatment in acute myeloid leukemia: A machine learning approach. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2024; 257:108432. [PMID: 39316958 DOI: 10.1016/j.cmpb.2024.108432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 09/11/2024] [Accepted: 09/17/2024] [Indexed: 09/26/2024]
Abstract
BACKGROUND AND OBJECTIVE The standard of care in Acute Myeloid Leukemia patients has remained essentially unchanged for nearly 40 years. Due to the complicated mutational patterns within and between individual patients and a lack of targeted agents for most mutational events, implementing individualized treatment for AML has proven difficult. We reanalysed the BeatAML dataset employing Machine Learning algorithms. The BeatAML project entails patients extensively characterized at the molecular and clinical levels and linked to drug sensitivity outputs. Our approach capitalizes on the molecular and clinical data provided by the BeatAML dataset to predict the ex vivo drug sensitivity for the 122 drugs evaluated by the project. METHODS We utilized ElasticNet, which produces fully interpretable models, in combination with a two-step training protocol that allowed us to narrow down computations. We automated the genes' filtering step by employing two metrics, and we evaluated all possible data combinations to identify the best training configuration settings per drug. RESULTS We report a Pearson correlation across all drugs of 0.36 when clinical and RNA sequencing data were combined, with the best-performing models reaching a Pearson correlation of 0.67. When we trained using the datasets in isolation, we noted that RNA Sequencing data (Pearson: 0.36) attained three times the predictive power of whole exome sequencing data (Pearson: 0.11), with clinical data falling somewhere in between (Pearson 0.26). Lastly, we present a paradigm of clinical significance. We used our models' prediction as a drug sensitivity score to rank an individual's expected response to treatment. We identified 78 patients out of 89 (88 %) that the proposed drug was more potent than the administered one based on their ex vivo drug sensitivity data. CONCLUSIONS In conclusion, our reanalysis of the BeatAML dataset using Machine Learning algorithms demonstrates the potential for individualized treatment prediction in Acute Myeloid Leukemia patients, addressing the longstanding challenge of treatment personalization in this disease. By leveraging molecular and clinical data, our approach yields promising correlations between predicted drug sensitivity and actual responses, highlighting a significant step forward in improving therapeutic outcomes for AML patients.
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Affiliation(s)
- Nestoras Karathanasis
- Bioinformatics Department, The Cyprus Institute of Neurology & Genetics, 6 Iroon Avenue, 2371 Ayios Dometios, Nicosia, Cyprus.
| | - Panayiota L Papasavva
- Molecular Genetics Thalassemia Department, The Cyprus Institute of Neurology & Genetics, 6 Iroon Avenue, 2371 Ayios Dometios, Nicosia, Cyprus
| | - Anastasis Oulas
- Bioinformatics Department, The Cyprus Institute of Neurology & Genetics, 6 Iroon Avenue, 2371 Ayios Dometios, Nicosia, Cyprus
| | - George M Spyrou
- Bioinformatics Department, The Cyprus Institute of Neurology & Genetics, 6 Iroon Avenue, 2371 Ayios Dometios, Nicosia, Cyprus
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McCoy MA, Lu J, Richard Miller F, Soisson SM, Lam MH, Fischer C. Biostructural, biochemical and biophysical studies of mutant IDH1. Nat Commun 2024; 15:7877. [PMID: 39251618 PMCID: PMC11385386 DOI: 10.1038/s41467-024-51692-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 08/15/2024] [Indexed: 09/11/2024] Open
Abstract
We report bio-structural, bio-chemical and bio-physical evidence demonstrating how small molecules can bind to both wild-type and mutant IDH1, but only inhibit the enzymatic activity of the mutant isoform. Enabled through x-ray crystallography, we characterized a series of small molecule inhibitors that bound to mutant IDH1 differently than the marketed inhibitor Ivosidenib, for which we have determined the x-ray crystal structure. Across the industry several mutant IDH1 inhibitor chemotypes bind to this allosteric IDH1 pocket and selectively inhibit the mutant enzyme. Detailed characterization by a variety of biophysical techniques and NMR studies led us to propose how compounds binding in the allosteric IDH1 R132H pocket inhibit the production of 2-Hydroxy glutarate.
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Affiliation(s)
| | - Jun Lu
- MRL, Merck & Co., Inc., Rahway, NJ, USA
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Alkhatabi HA, Alqahtani W, Alsolami R, Elaimi A, Hazzazi MS, Almashjary MN, Alkhatabi HA, Alghuthami ME, Daous YM, Yasin EB, Barefah A. Application of Newly Customized Myeloid NGS Panel in the Diagnosis of Myeloid Malignancies. Int J Gen Med 2024; 17:37-48. [PMID: 38204493 PMCID: PMC10777859 DOI: 10.2147/ijgm.s437327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 12/14/2023] [Indexed: 01/12/2024] Open
Abstract
Purpose Genetic mutations are major factors in the diagnosis and prognosis of leukemia, and it is difficult to assess these variants using single-gene analysis. Therefore, this study aimed to develop a fast and cost-effective method for genetic screening of myeloid malignancies using a customized next-generation sequencing (NGS) panel. Patients and Methods A customized myeloid panel was designed and investigated in 15 acute myeloid leukemia patients. The panel included 11 genes that were most commonly mutated in myeloid malignancies. This panel was designed to sequence the complete genome of CALR, IDH1, IDH2, JAK2, FLT3, NPM1, MPL, TET2, SF3B1, TP53, and MLL. Results Among the 15 patients, 14 actual pathogenic variants were identified in nine samples, and negative results were found in six samples. Positive findings were observed for JAK2, FLT3, SF3B1, and TET2. Interestingly, non-classical FLT3 mutations (c.1715A>C, c.2513delG, and c.2507dupT) were detected in patients who were negative for FLT3-ITD and TKD by routine molecular results. All identified variants were pathogenic, and the high coverage of the assay allowed us to predict variants at a low frequency (1%) with 1000x coverage. Conclusion Utilizing a custom panel allowed us to identify variants that were not detected by routine tests or those that were not routinely investigated. Using the costuming panel will enable us to sequence all genes and discover new potential pathogenic variants that are not possible with other commercially available panels that focus only on hotspot regions. This study's strength in utilizing NGS and implanting a customized panel to identify new pathogenic variants that might be common in our population and important in routine diagnosis for providing optimal healthcare for personalized medicine.
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Affiliation(s)
- Heba A Alkhatabi
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, 22254, Saudi Arabia
- Hematology Research Unit (HRU), King Fahad Medical Research Center, King Abdulaziz University, Jeddah, 22254, Saudi Arabia
| | - Wejdan Alqahtani
- Department of Medical Laboratory, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Reem Alsolami
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, 22254, Saudi Arabia
- Hematology Research Unit (HRU), King Fahad Medical Research Center, King Abdulaziz University, Jeddah, 22254, Saudi Arabia
| | - Aisha Elaimi
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, 22254, Saudi Arabia
- Center of Excellence in Genomic Medicine Research (CEGMR), King Abdulaziz University, Jeddah, 22254, Saudi Arabia
| | - Mohannad S Hazzazi
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, 22254, Saudi Arabia
- Hematology Research Unit (HRU), King Fahad Medical Research Center, King Abdulaziz University, Jeddah, 22254, Saudi Arabia
| | - Majed N Almashjary
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, 22254, Saudi Arabia
- Hematology Research Unit (HRU), King Fahad Medical Research Center, King Abdulaziz University, Jeddah, 22254, Saudi Arabia
| | - Hind A Alkhatabi
- Department of Biochemistry, College of Science, University of Jeddah, Jeddah, 21589, Saudi Arabia
| | | | - Yara M Daous
- Hematology Research Unit (HRU), King Fahad Medical Research Center, King Abdulaziz University, Jeddah, 22254, Saudi Arabia
- Department of Pathology, Faculty of Medicine, King Abdulaziz University, Jeddah, 22254, Saudi Arabia
| | - Elrashed B Yasin
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Rabigh, 25732, Saudi Arabia
| | - Ahmed Barefah
- Hematology Research Unit (HRU), King Fahad Medical Research Center, King Abdulaziz University, Jeddah, 22254, Saudi Arabia
- Hematology Department, Faculty of Medicine, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
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Zarnegar-Lumley S, Alonzo TA, Gerbing RB, Othus M, Sun Z, Ries RE, Wang J, Leonti A, Kutny MA, Ostronoff F, Radich JP, Appelbaum FR, Pogosova-Agadjanyan EL, O’Dwyer K, Tallman MS, Litzow M, Atallah E, Cooper TM, Aplenc RA, Abdel-Wahab O, Gamis AS, Luger S, Erba H, Levine R, Kolb EA, Stirewalt DL, Meshinchi S, Tarlock K. Characteristics and prognostic impact of IDH mutations in AML: a COG, SWOG, and ECOG analysis. Blood Adv 2023; 7:5941-5953. [PMID: 37267439 PMCID: PMC10562769 DOI: 10.1182/bloodadvances.2022008282] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 04/12/2023] [Accepted: 05/08/2023] [Indexed: 06/04/2023] Open
Abstract
Somatic mutations in isocitrate dehydrogenase (IDH) genes occur frequently in adult acute myeloid leukemia (AML) and less commonly in pediatric AML. The objective of this study was to describe the prevalence, mutational profile, and prognostic significance of IDH mutations in AML across age. Our cohort included 3141 patients aged between <1 month and 88 years treated on Children's Cancer Group/Children's Oncology Group (n = 1872), Southwest Oncology Group (n = 359), Eastern Cooperative Oncology Group (n = 397) trials, and in Beat AML (n = 333) and The Cancer Genome Atlas (n = 180) genomic characterization cohorts. We retrospectively analyzed patients in 4 age groups (age range, n): pediatric (0-17, 1744), adolescent/young adult (18-39, 444), intermediate-age (40-59, 640), older (≥60, 309). IDH mutations (IDHmut) were identified in 9.2% of the total cohort (n = 288; IDH1 [n = 123, 42.7%]; IDH2 [n = 165, 57.3%]) and were strongly correlated with increased age: 3.4% pediatric vs 21% older, P < .001. Outcomes were similar in IDHmut and IDH-wildtype (IDHWT) AML (event-free survival [EFS]: 35.6% vs 40.0%, P = .368; overall survival [OS]: 50.3% vs 55.4%, P = .196). IDH mutations frequently occurred with NPM1 (47.2%), DNMT3A (29.3%), and FLT3-internal tandem duplication (ITD) (22.4%) mutations. Patients with IDHmut AML with NPM1 mutation (IDHmut/NPM1mut) had significantly improved survival compared with the poor outcomes experienced by patients without (IDHmut/NPM1WT) (EFS: 55.1% vs 17.0%, P < .001; OS: 66.5% vs 35.2%, P < .001). DNTM3A or FLT3-ITD mutations in otherwise favorable IDHmut/NPM1mut AML led to inferior outcomes. Age group analysis demonstrated that IDH mutations did not abrogate the favorable prognostic impact of NPM1mut in patients aged <60 years; older patients had poor outcomes regardless of NPM1 status. These trials were registered at www.clinicaltrials.gov as #NCT00070174, #NCT00372593, #NCT01371981, #NCT00049517, and #NCT00085709.
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Affiliation(s)
- Sara Zarnegar-Lumley
- Division of Hematology/Oncology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN
| | - Todd A. Alonzo
- Children’s Oncology Group, Monrovia, CA
- University of Southern California Keck School of Medicine, Los Angeles, CA
| | | | - Megan Othus
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Zhuoxin Sun
- Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, MA
| | - Rhonda E. Ries
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Jim Wang
- Children’s Oncology Group, Monrovia, CA
| | - Amanda Leonti
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Matthew A. Kutny
- Division of Hematology/Oncology, Department of Pediatrics, The University of Alabama at Birmingham, Birmingham, AL
| | - Fabiana Ostronoff
- Intermountain Blood and Marrow Transplant and Acute Leukemia Program, Intermountain Healthcare, Salt Lake City, UT
| | - Jerald P. Radich
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
- Departments of Oncology and Hematology, University of Washington, Seattle, WA
| | - Frederick R. Appelbaum
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
- Departments of Oncology and Hematology, University of Washington, Seattle, WA
| | | | - Kristen O’Dwyer
- Department of Medicine, Wilmot Cancer Institute, University of Rochester, Rochester, NY
| | - Martin S. Tallman
- Department of Medicine, Leukemia Service, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Mark Litzow
- Department of Internal Medicine and Division of Hematology, Mayo Clinic College of Medicine, Rochester, MN
| | - Ehab Atallah
- Division of Hematology/Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - Todd M. Cooper
- Division of Hematology/Oncology, Seattle Children’s Hospital Cancer and Blood Disorders Center, University of Washington, Seattle, WA
| | - Richard A. Aplenc
- Division of Oncology and Center for Childhood Cancer Research, Children’s Hospital of Philadelphia, Philadelphia, PA
| | - Omar Abdel-Wahab
- Department of Medicine, Leukemia Service, Memorial Sloan Kettering Cancer Center, New York, NY
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Alan S. Gamis
- Division of Hematology/Oncology/Bone Marrow Transplantation, Children’s Mercy Hospitals and Clinics, Kansas City, MO
| | - Selina Luger
- Division of Hematology/Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Harry Erba
- Division of Hematologic Malignancies and Cellular Therapies, Department of Medicine, Duke Cancer Institute, Durham, NC
| | - Ross Levine
- Department of Medicine, Leukemia Service, Memorial Sloan Kettering Cancer Center, New York, NY
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY
| | - E. Anders Kolb
- Nemours Center for Cancer and Blood Disorders, Alfred I. DuPont Hospital for Children, Wilmington, DE
| | - Derek L. Stirewalt
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
- Departments of Oncology and Hematology, University of Washington, Seattle, WA
| | - Soheil Meshinchi
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Katherine Tarlock
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
- Division of Hematology/Oncology, Seattle Children’s Hospital Cancer and Blood Disorders Center, University of Washington, Seattle, WA
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Bruzzese A, Labanca C, Martino EA, Mendicino F, Lucia E, Olivito V, Neri A, Imovilli A, Morabito F, Vigna E, Gentile M. Ivosidenib in acute myeloid leukemia. Expert Opin Pharmacother 2023; 24:2093-2100. [PMID: 37874005 DOI: 10.1080/14656566.2023.2272659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 10/16/2023] [Indexed: 10/25/2023]
Abstract
INTRODUCTION Traditional treatment strategies for acute myeloid leukemia (AML) have primarily relied on standard chemotherapy regimens for four decades. Indeed, the landscape of AML therapy has evolved substantially in recent years, mainly due to the introduction of hypomethylating agents and small molecules.Bcl2 inhibitor venetoclax, Fms-like tyrosine kinase 3 (FLT3) inhibitors such as midostaurin and gilteritinib, and isocitrate dehydrogenases 1 and 2 (IDH1 and IDH2) inhibitors ivosidenib and enasidenib, as well as hedgehog (HH) pathway inhibitor glasdegib represented a significant step forward in AML therapeutic armamentarium. Smoothened (SMO) inhibitor in combination with low-dose cytarabine marks a recent milestone. AREAS COVERED Ivosidenib, the first-in-class, selective, allosteric IDH1R132 inhibitor, showed the capability to induce in vitro differentiation of primary mIDH1 AML blasts. Clinical data highlighted its exceptional safety profile, as a standalone therapy and in combination strategy. Additionally, comprehensive studies consistently demonstrated its effectiveness, both in monotherapy and in association with chemotherapy. EXPERT OPINION The identified ivosidenib's strengths, including its remarkable safety record and ability to yield positive therapeutic outcomes, position it as an ideal partner for both classic chemotherapy and biological treatments, i.e. hypometilant agents and/or venetoclax. Further studies are warranted to explore strategies for overcoming the occurrence of ivosidenib resistance.
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Affiliation(s)
- Antonella Bruzzese
- Department of Onco-Hematology, Hematology Unit, Azienda Ospedaliera Annunziata, Cosenza, Italy
| | - Caterina Labanca
- Department of Onco-Hematology, Hematology Unit, Azienda Ospedaliera Annunziata, Cosenza, Italy
| | - Enrica Antonia Martino
- Department of Onco-Hematology, Hematology Unit, Azienda Ospedaliera Annunziata, Cosenza, Italy
| | - Francesco Mendicino
- Department of Onco-Hematology, Hematology Unit, Azienda Ospedaliera Annunziata, Cosenza, Italy
| | - Eugenio Lucia
- Department of Onco-Hematology, Hematology Unit, Azienda Ospedaliera Annunziata, Cosenza, Italy
| | - Virginia Olivito
- Department of Onco-Hematology, Hematology Unit, Azienda Ospedaliera Annunziata, Cosenza, Italy
| | - Antonino Neri
- Scientific Directorate IRCCS di Reggio Emilia, EmiliaRomagna, Reggio Emilia, Italy
| | - Annalisa Imovilli
- Department of Hematology, Azienda USL-IRCCS di Reggio Emilia, Emilia Romagna, Reggio Emilia, Italy
| | | | - Ernesto Vigna
- Department of Onco-Hematology, Hematology Unit, Azienda Ospedaliera Annunziata, Cosenza, Italy
| | - Massimo Gentile
- Department of Onco-Hematology, Hematology Unit, Azienda Ospedaliera Annunziata, Cosenza, Italy
- Department of Pharmacy, Health and Nutritional Science, University of Calabria, Rende, Italy
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Qin Y, Shen K, Liu T, Ma H. Prognostic value of IDH2R140 and IDH2R172 mutations in patients with acute myeloid leukemia: a systematic review and meta-analysis. BMC Cancer 2023; 23:527. [PMID: 37291515 DOI: 10.1186/s12885-023-11034-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Accepted: 05/31/2023] [Indexed: 06/10/2023] Open
Abstract
BACKGROUND Whether isocitrate dehydrogenase 2 (IDH2) R140 and R172 gene mutations affect the prognosis of patients with acute myeloid leukemia (AML) is controversial. Here, we performed a meta-analysis to assess their prognostic value. METHODS Eligible studies were systematically searched from PubMed, Embase, the Cochrane Library and Chinese databases up to June 1, 2022. We extracted the hazard ratios (HRs) and their 95% confidence intervals (CIs) of overall survival (OS) and progression-free survival (PFS) to carry out a meta-analysis by a fixed effect model or random effect model according to the heterogeneity between studies. RESULTS A total of 12725 AML patients from 11 studies were included in this meta-analysis, of which 1111 (8.7%) and 305 (2.4%) had IDH2R140 and IDH2R172 mutations, respectively. The results revealed that both IDH2R140 and IDH2R172 mutations had no significant effect on OS (IDH2R140: HR = 0.92, 95% CI: 0.77-1.10, P = 0.365; IDH2R172: HR = 0.91, 95% CI: 0.65-1.28, P = 0.590) or PFS (IDH2R140: HR = 1.02, 95% CI: 0.75-1.40, P = 0.881; IDH2R172: HR = 1.31, 95% CI: 0.78-2.22, P = 0.306) in AML patients. Subgroup analysis of AML patients with IDH2R140 mutation revealed that studies from the USA (HR = 0.60, 95% CI: 0.41-0.89, P = 0.010) and ≤ 50 years old (HR = 0.63, 95% CI: 0.50-0.80, P = 0.000) had longer OS. However, studies from Sweden (HR = 1.94, 95% CI: 1.07-3.53, P = 0.030) had shorter OS. Meanwhile, subgroup analysis of AML patients with IDH2R172 mutation showed that studies from Germany/Austria (HR = 0.76, 95% CI: 0.61-0.94, P = 0.012) and from Sweden (HR = 0.22, 95% CI: 0.07-0.74, P = 0.014) had longer OS, whereas studies from the UK (HR = 1.49, 95% CI: 1.13-1.96, P = 0.005) and studies with nonmultivariate analysis of data type (HR = 1.35, 95% CI: 1.06-1.73, P = 0.014) had shorter OS. In addition, our study also found that patients with IDH2R140 mutation had significantly longer OS (HR = 0.61, 95% CI: 0.39-0.96, P = 0.032) and PFS (HR = 0.31, 95% CI: 0.18-0.52, P = 0.021) than patients with IDH2R172 mutation, despite some degree of heterogeneity. CONCLUSIONS This meta-analysis demonstrates that IDH2R140 mutation improves OS in younger AML patients and that the prognostic value of IDH2R172 mutation is significantly heterogeneous. Differences in region and data type have a significant impact on the prognosis of AML patients with IDH2R140 and/or IDH2R172 mutations. Additionally, AML patients with IDH2R140 mutation have a better prognosis than those with IDH2R172 mutations, albeit with some degree of heterogeneity.
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Affiliation(s)
- Yao Qin
- Department of Hematology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Wuhou District, Chengdu, 610041, Sichuan, China
| | - Kai Shen
- Department of Hematology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Wuhou District, Chengdu, 610041, Sichuan, China
| | - Ting Liu
- Department of Hematology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Wuhou District, Chengdu, 610041, Sichuan, China
| | - Hongbing Ma
- Department of Hematology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Wuhou District, Chengdu, 610041, Sichuan, China.
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Solomou G, Finch A, Asghar A, Bardella C. Mutant IDH in Gliomas: Role in Cancer and Treatment Options. Cancers (Basel) 2023; 15:cancers15112883. [PMID: 37296846 DOI: 10.3390/cancers15112883] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/18/2023] [Accepted: 05/19/2023] [Indexed: 06/12/2023] Open
Abstract
Altered metabolism is a common feature of many cancers and, in some cases, is a consequence of mutation in metabolic genes, such as the ones involved in the TCA cycle. Isocitrate dehydrogenase (IDH) is mutated in many gliomas and other cancers. Physiologically, IDH converts isocitrate to α-ketoglutarate (α-KG), but when mutated, IDH reduces α-KG to D2-hydroxyglutarate (D2-HG). D2-HG accumulates at elevated levels in IDH mutant tumours, and in the last decade, a massive effort has been made to develop small inhibitors targeting mutant IDH. In this review, we summarise the current knowledge about the cellular and molecular consequences of IDH mutations and the therapeutic approaches developed to target IDH mutant tumours, focusing on gliomas.
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Affiliation(s)
- Georgios Solomou
- Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, B15 2TT, UK
- Division of Academic Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0QQ, UK
- Wellcome MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge CB2 0AW, UK
| | - Alina Finch
- Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, B15 2TT, UK
| | - Asim Asghar
- Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, B15 2TT, UK
| | - Chiara Bardella
- Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, B15 2TT, UK
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Measurable Residual Disease Monitoring by Locked Nucleic Acid Quantitative Real-Time PCR Assay for IDH1/2 Mutation in Adult AML. Cancers (Basel) 2022; 14:cancers14246205. [PMID: 36551690 PMCID: PMC9777301 DOI: 10.3390/cancers14246205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/05/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Locked nucleic acid quantitative Real-Time PCR (LNA-qPCR) for IDH1/2 mutations in AML measurable residual disease (MRD) detection is rarely reported. LNA-qPCR was applied to quantify IDH1/2 mutants MRD kinetics in bone marrow from 88 IDH1/2-mutated AML patients, and correlated with NPM1-MRD, clinical characteristics, and outcomes. The median normalized copy number (NCN) of IDH1/2 mutants decreased significantly from 53,228 (range 87−980,686)/ALB × 106 at diagnosis to 773 (range 1.5−103,600)/ALB × 106 at first complete remission (CR). IDH1/2 LNA-qPCR MRD was concordant with remission status or NPM1-MRD in 79.5% (70/88) of patients. Younger patients and patients with FLT3 mutations had higher concordance. The Spearman correlation coefficient (rs) and concordance rate between the log reduction of IDH1/2 LNA-qPCR and NPM1-MRD were 0.68 and 81% (K = 0.63, 95% CI 0.50−0.74), respectively. IDH1/2-MRD > 2 log reduction at first CR predicted significantly better relapse-free survival (3-year RFS rates 52.9% vs. 31.9%, p = 0.007) and cumulative incidence of relapse (3-year CIR rates 44.5% vs. 64.5%, p = 0.012) compared to IDH1/2-MRD ≤ 2 log reduction. IDH1/2-MRD > 2 log reduction during consolidation is also associated with a significantly lower CIR rate than IDH1/2-MRD ≤ 2 log reduction (3-year CIR rates 42.3% vs. 68.8%, p = 0.019). LNA-qPCR for IDH1/2 mutation is a potential MRD technique to predict relapse in IDH1/2-mutated AML patients, especially for those with IDH1/2 MRD > 2 log reduction at first CR or a concurrent FLT3 mutation.
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Al-Bulushi F, Al-Riyami R, Al-Housni Z, Al-Abri B, Al-Khabori M. Impact of mutations in epigenetic modifiers in acute myeloid leukemia: A systematic review and meta-analysis. Front Oncol 2022; 12:967657. [PMID: 36518313 PMCID: PMC9742486 DOI: 10.3389/fonc.2022.967657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 10/11/2022] [Indexed: 08/30/2023] Open
Abstract
This is a systematic review and meta-analysis evaluating the prognostic significance of epigenetic mutations on the overall survival (OS) in Acute Myeloid Leukemia (AML). We searched for studies evaluating epigenetic mutations in AML (up to November 2018) in PubMed, Trip database and Cochrane library. Hazard ratio (HR) of outcomes were extracted, and random-effects model was used to pool the results. A total of 10,002 citations were retrieved from the search strategy; 42 articles were identified for the meta-analysis (ASXL1 = 7, TET2 = 8, DNMT3A = 12, IDH =15), with fair to good-quality studies. The pooled HR was 1.88 (95% CI: 1.49-2.36) for ASXL1 mutation, 1.39 (95% CI: 1.18-1.63) for TET2 mutation, 1.35 (95% CI 1.16-1.56) for DNMT3a and 1.54 (95% CI: 1.15-2.06) for IDH mutation. However, there was a substantial heterogeneity in the DNMT3a and IDH studies. In conclusion epigenetic mutations in ASXL1, TET2, DNMT3a and IDH adversely impact OS in patients with AML albeit with considerable heterogeneity and possibly publication bias. Further studies are required to address these limitations.
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Affiliation(s)
- Fatma Al-Bulushi
- Hematopathology, Oman Medical Specialty Board, Muscat, Oman
- Hematology Department, Sultan Qaboos University Hospital, Muscat, Oman
| | - Rahma Al-Riyami
- Internal Medicine, Oman Medical Specialty Board, Muscat, Oman
| | - Zainab Al-Housni
- Hematology Department, Sultan Qaboos University Hospital, Muscat, Oman
| | - Bushra Al-Abri
- Hematopathology, Oman Medical Specialty Board, Muscat, Oman
| | - Murtadha Al-Khabori
- Hematology Department, Sultan Qaboos University Hospital, Muscat, Oman
- College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman
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10
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Raimondi V, Ciotti G, Gottardi M, Ciccarese F. 2-Hydroxyglutarate in Acute Myeloid Leukemia: A Journey from Pathogenesis to Therapies. Biomedicines 2022; 10:biomedicines10061359. [PMID: 35740380 PMCID: PMC9220225 DOI: 10.3390/biomedicines10061359] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/31/2022] [Accepted: 06/02/2022] [Indexed: 12/19/2022] Open
Abstract
The oncometabolite 2-hydroxyglutarate (2-HG) plays a key role in differentiation blockade and metabolic reprogramming of cancer cells. Approximatively 20–30% of acute myeloid leukemia (AML) cases carry mutations in the isocitrate dehydrogenase (IDH) enzymes, leading to a reduction in the Krebs cycle intermediate α-ketoglutarate (α-KG) to 2-HG. Relapse and chemoresistance of AML blasts following initial good response to standard therapy account for the very poor outcome of this pathology, which represents a great challenge for hematologists. The decrease of 2-HG levels through pharmacological inhibition of mutated IDH enzymes induces the differentiation of AML blasts and sensitizes leukemic cells to several anticancer drugs. In this review, we provide an overview of the main genetic mutations in AML, with a focus on IDH mutants and the role of 2-HG in AML pathogenesis. Moreover, we discuss the impact of high levels of 2-HG on the response of AML cells to antileukemic therapies and recent evidence for highly efficient combinations of mutant IDH inhibitors with other drugs for the management of relapsed/refractory (R/R) AML.
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Affiliation(s)
- Vittoria Raimondi
- Department of Surgery, Oncology and Gastroenterology, University of Padua, 35128 Padova, Italy
- Correspondence:
| | - Giulia Ciotti
- Onco Hematology, Department of Oncology, Veneto Institute of Oncology IOV–IRCCS, 31033 Castelfranco Veneto, Italy; (G.C.); (M.G.)
| | - Michele Gottardi
- Onco Hematology, Department of Oncology, Veneto Institute of Oncology IOV–IRCCS, 31033 Castelfranco Veneto, Italy; (G.C.); (M.G.)
| | - Francesco Ciccarese
- Immunology and Molecular Oncology Unit, Veneto Institute of Oncology IOV–IRCCS, 35128 Padova, Italy;
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11
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Abstract
The change in cell state from normal to malignant is driven fundamentally by oncogenic mutations in cooperation with epigenetic alterations of chromatin. These alterations in chromatin can be a consequence of environmental stressors or germline and/or somatic mutations that directly alter the structure of chromatin machinery proteins, their levels, or their regulatory function. These changes can result in an inability of the cell to differentiate along a predefined lineage path, or drive a hyperactive, highly proliferative state with addiction to high levels of transcriptional output. We discuss how these genetic alterations hijack the chromatin machinery for the oncogenic process to reveal unique vulnerabilities and novel targets for cancer therapy.
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Affiliation(s)
- Berkley Gryder
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio 44106, USA
- Genetics Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, USA
| | - Peter C Scacheri
- Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio 44106, USA
| | - Thomas Ried
- Genetics Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, USA
| | - Javed Khan
- Genetics Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, USA
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12
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Zarei M, Hue JJ, Hajihassani O, Graor HJ, Katayama ES, Loftus AW, Bajor D, Rothermel LD, Vaziri-Gohar A, Winter JM. Clinical development of IDH1 inhibitors for cancer therapy. Cancer Treat Rev 2021; 103:102334. [PMID: 34974243 DOI: 10.1016/j.ctrv.2021.102334] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 12/21/2021] [Accepted: 12/23/2021] [Indexed: 12/14/2022]
Abstract
Isocitrate dehydrogenase 1 (IDH1) has been investigated as a promising therapeutic target in select cancers with a mutated version of the enzyme (mtIDH1). With only one phase III trial published to date and two indications approved for routine clinical use by the FDA, we reviewed the entire clinical trial portfolio to broadly understand mtIDH1 inhibitor activity in patients. We queried PubMed.gov and ClinicalTrials.gov to identify published and ongoing clinical trials related to IDH1 and cancer. Progression-free survival (PFS), overall survival (OS), 2-hydroxyglutarate levels, and adverse events were summarized. To date, ten clinical trials investigating mtIDH1 inhibitors among patients with diverse malignancies (cholangiocarcinoma, acute myeloid leukemia, chondrosarcoma, glioma) have been published. Almost every trial (80%) has investigated ivosidenib. In multiple phase I trials, ivosidenib treatment resulted in promising radiographic and biochemical responses with improved survival outcomes (relative to historic data) among patients with both solid and hematologic mtIDH1 malignancies. Among patients enrolled in a phase III trial with advanced cholangiocarcinoma, ivosidenib resulted in a PFS rate of 32% at 6 months, as compared to 0% with placebo. There was a 5.2 month increase in OS with ivosidenib relative to placebo, after considering crossover. The treatment-specific grade ≥3 adverse event rate of ivosidenib was 2%-26% among all patients, and was just 3.6% among 284 patients who had a solid tumor across four trials. Although <1% of malignancies harbor IDH1 mutations, small molecule mtIDH1 inhibitors, namely ivosidenib, appear to be biologically active and well tolerated in patients with solid and hematologic mtIDH1 malignancies.
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Affiliation(s)
- Mehrdad Zarei
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, United States; Department of Surgery, Division of Surgical Oncology, University Hospitals Cleveland Medical Center, Cleveland, OH, United States
| | - Jonathan J Hue
- Department of Surgery, Division of Surgical Oncology, University Hospitals Cleveland Medical Center, Cleveland, OH, United States
| | - Omid Hajihassani
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, United States
| | - Hallie J Graor
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, United States
| | | | - Alexander W Loftus
- Department of Surgery, Division of Surgical Oncology, University Hospitals Cleveland Medical Center, Cleveland, OH, United States
| | - David Bajor
- Department of Medicine, Division of Oncology, University Hospitals Cleveland Medical Center, Cleveland, OH, United States
| | - Luke D Rothermel
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, United States; Department of Surgery, Division of Surgical Oncology, University Hospitals Cleveland Medical Center, Cleveland, OH, United States
| | - Ali Vaziri-Gohar
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, United States
| | - Jordan M Winter
- Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, United States; Department of Surgery, Division of Surgical Oncology, University Hospitals Cleveland Medical Center, Cleveland, OH, United States.
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13
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Hvinden IC, Cadoux-Hudson T, Schofield CJ, McCullagh JS. Metabolic adaptations in cancers expressing isocitrate dehydrogenase mutations. Cell Rep Med 2021; 2:100469. [PMID: 35028610 PMCID: PMC8714851 DOI: 10.1016/j.xcrm.2021.100469] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The most frequently mutated metabolic genes in human cancer are those encoding the enzymes isocitrate dehydrogenase 1 (IDH1) and IDH2; these mutations have so far been identified in more than 20 tumor types. Since IDH mutations were first reported in glioma over a decade ago, extensive research has revealed their association with altered cellular processes. Mutations in IDH lead to a change in enzyme function, enabling efficient conversion of 2-oxoglutarate to R-2-hydroxyglutarate (R-2-HG). It is proposed that elevated cellular R-2-HG inhibits enzymes that regulate transcription and metabolism, subsequently affecting nuclear, cytoplasmic, and mitochondrial biochemistry. The significance of these biochemical changes for tumorigenesis and potential for therapeutic exploitation remains unclear. Here we comprehensively review reported direct and indirect metabolic changes linked to IDH mutations and discuss their clinical significance. We also review the metabolic effects of first-generation mutant IDH inhibitors and highlight the potential for combination treatment strategies and new metabolic targets.
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Affiliation(s)
- Ingvild Comfort Hvinden
- Chemistry Research Laboratory, 12 Mansfield Road, Department of Chemistry, University of Oxford, Oxford OX1 3TA, UK
| | - Tom Cadoux-Hudson
- Chemistry Research Laboratory, 12 Mansfield Road, Department of Chemistry, University of Oxford, Oxford OX1 3TA, UK
| | - Christopher J. Schofield
- Chemistry Research Laboratory, 12 Mansfield Road, Department of Chemistry, University of Oxford, Oxford OX1 3TA, UK
- Ineos Oxford Institute for Antimicrobial Research, 12 Mansfield Road, Department of Chemistry, University of Oxford, Oxford OX1 3TA, UK
| | - James S.O. McCullagh
- Chemistry Research Laboratory, 12 Mansfield Road, Department of Chemistry, University of Oxford, Oxford OX1 3TA, UK
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14
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Cadoux-Hudson T, Schofield CJ, McCullagh JS. Isocitrate dehydrogenase gene variants in cancer and their clinical significance. Biochem Soc Trans 2021; 49:2561-2572. [PMID: 34854890 PMCID: PMC8786286 DOI: 10.1042/bst20210277] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 10/13/2021] [Accepted: 10/18/2021] [Indexed: 11/30/2022]
Abstract
Human isocitrate dehydrogenase (IDH) genes encode for the IDH1, 2 & 3 isoenzymes which catalyse the formation of 2-oxoglutarate from isocitrate and are essential for normal mammalian metabolism. Although mutations in these genes in cancer were long thought to lead to a 'loss of function', combined genomic and metabolomic studies led to the discovery that a common IDH 1 mutation, present in low-grade glioma and acute myeloid leukaemia (AML), yields a variant (R132H) with a striking change of function leading to the production of (2R)-hydroxyglutarate (2HG) which consequently accumulates in large quantities both within and outside cells. Elevated 2HG is proposed to promote tumorigenesis, although the precise mechanism by which it does this remains uncertain. Inhibitors of R132H IDH1, and other subsequently identified cancer-linked 2HG producing IDH variants, are approved for clinical use in the treatment of chemotherapy-resistant AML, though resistance enabled by additional substitutions has emerged. In this review, we provide a current overview of cancer linked IDH mutations focussing on their distribution in different cancer types, the effects of substitution mutations on enzyme activity, the mode of action of recently developed inhibitors, and their relationship with emerging resistance-mediating double mutations.
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Affiliation(s)
- Thomas Cadoux-Hudson
- Chemistry Research Laboratory, Department of Chemistry and the Ineos Institute for Antimicrobial Research, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Christopher J. Schofield
- Chemistry Research Laboratory, Department of Chemistry and the Ineos Institute for Antimicrobial Research, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - James S.O. McCullagh
- Chemistry Research Laboratory, Department of Chemistry and the Ineos Institute for Antimicrobial Research, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
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15
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Identification of Protein Biomarker Signatures for Acute Myeloid Leukemia (AML) Using Both Nontargeted and Targeted Approaches. Proteomes 2021; 9:proteomes9040042. [PMID: 34842843 PMCID: PMC8628952 DOI: 10.3390/proteomes9040042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 10/20/2021] [Indexed: 12/17/2022] Open
Abstract
Acute myeloid leukemia (AML) is characterized by an increasing number of clonal myeloid blast cells which are incapable of differentiating into mature leukocytes. AML risk stratification is based on genetic background, which also serves as a means to identify the optimal treatment of individual patients. However, constant refinements are needed, and the inclusion of significant measurements, based on the various omics approaches that are currently available to researchers/clinicians, have the potential to increase overall accuracy with respect to patient management. Using both nontargeted (label-free mass spectrometry) and targeted (multiplex immunoassays) proteomics, a range of proteins were found to be significantly changed in AML patients with different genetic backgrounds. The inclusion of validated proteomic biomarker panels could be an important factor in the prognostic classification of AML patients. The ability to measure both cellular and secreted analytes, at diagnosis and during the course of treatment, has advantages in identifying transforming biological mechanisms in patients, assisting important clinical management decisions.
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16
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Liu P, Liu JP, Sun SJ, Gao Y, Ai Y, Chen X, Sun Y, Zhou M, Liu Y, Xiong Y, Yuan HX. CBFB-MYH11 Fusion Sequesters RUNX1 in Cytoplasm to Prevent DNMT3A Recruitment to Target Genes in AML. Front Cell Dev Biol 2021; 9:675424. [PMID: 34336831 PMCID: PMC8321512 DOI: 10.3389/fcell.2021.675424] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 06/16/2021] [Indexed: 12/11/2022] Open
Abstract
A growing number of human diseases have been found to be associated with aberrant DNA methylation, including cancer. Mutations targeting genes encoding DNA methyltransferase (DNMT), TET family of DNA demethylases, and isocitrate dehydrogenase (IDH1, IDH2) that produce TET inhibitory metabolite, 2-hyoxyglutarate (2-HG), are found in more than half of acute myeloid leukemia (AML). To gain new insights into the regulation of DNA de/methylation and consequence of its alteration in cancer development, we searched for genes which are mutated in a manner that is linked with gene mutations involved in DNA de/methylation in multiple cancer types. We found that recurrent CBFB-MYH11 fusions, which result in the expression of fusion protein comprising core-binding factor β (CBFB) and myosin heavy chain 11 (MYH11) and are found in 6∼8% of AML patients, occur mutually exclusively with DNMT3A mutations. Tumors bearing CBFB-MYH11 fusion show DNA hypomethylation patterns similar to those with loss-of-function mutation of DNMT3A. Expression of CBFB-MYH11 fusion or inhibition of DNMT3A similarly impairs the methylation and expression of target genes of Runt related transcription factor 1 (RUNX1), a functional partner of CBFB. We demonstrate that RUNX1 directly interacts with DNMT3A and that CBFB-MYH11 fusion protein sequesters RUNX1 in the cytoplasm, thereby preventing RUNX1 from interacting with and recruiting DNMT3A to its target genes. Our results identify a novel regulation of DNA methylation and provide a molecular basis how CBFB-MYH11 fusion contributes to leukemogenesis.
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Affiliation(s)
- Peng Liu
- The Fifth People's Hospital of Shanghai and the Molecular and Cell Biology Research Lab of the Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Jin-Pin Liu
- The Fifth People's Hospital of Shanghai and the Molecular and Cell Biology Research Lab of the Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Si-Jia Sun
- The Fifth People's Hospital of Shanghai and the Molecular and Cell Biology Research Lab of the Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Yun Gao
- The Fifth People's Hospital of Shanghai and the Molecular and Cell Biology Research Lab of the Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Yingjie Ai
- Department of Gastroenterology and Hepatology, Zhongshan Hospital of Fudan University, Shanghai, China
| | - Xiufei Chen
- The Fifth People's Hospital of Shanghai and the Molecular and Cell Biology Research Lab of the Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Yiping Sun
- The Fifth People's Hospital of Shanghai and the Molecular and Cell Biology Research Lab of the Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Mengyu Zhou
- Ministry of Education (MOE) Key Laboratory of Metabolism and Molecular Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yun Liu
- Ministry of Education (MOE) Key Laboratory of Metabolism and Molecular Medicine, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yue Xiong
- Cullgen Inc., San Diego, CA, United States
| | - Hai-Xin Yuan
- The Fifth People's Hospital of Shanghai and the Molecular and Cell Biology Research Lab of the Institutes of Biomedical Sciences, Fudan University, Shanghai, China
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17
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Stemer G, Rowe JM, Ofran Y. Efficacy and Safety Profile of Ivosidenib in the Management of Patients with Acute Myeloid Leukemia (AML): An Update on the Emerging Evidence. BLOOD AND LYMPHATIC CANCER-TARGETS AND THERAPY 2021; 11:41-54. [PMID: 34188585 PMCID: PMC8235936 DOI: 10.2147/blctt.s236446] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Accepted: 05/23/2021] [Indexed: 12/13/2022]
Abstract
The isocitrate dehydrogenase enzyme, catalyzing isocitrate conversion to α-ketoglutarate (αKG) in both the cell cytoplasm and mitochondria, contributes to the production of dihydronicotinamide-adenine dinucleotide phosphate (NADPH) as a reductive potential in various cellular processes. IDH1 gene mutations are revealed in up to 20% of the patients with acute myeloid leukemia (AML). A mutant IDH enzyme, existing in the cell cytoplasm and possessing neomorphic activity, converts αKG into oncometabolite R-2-hydroxyglutarate (R-2-HG) that accumulates in high amounts in the cell and inhibits αKG-dependent enzymes, including epigenetic regulators. The resultant alteration in gene expression and blockade of differentiation ultimately lead to leukemia development. Myeloid differentiation capacity can be restored by obstruction of the mutant enzyme, inducing substantial reduction in R-2-HG levels. Ivosidenib, a potent selective inhibitor of mutant IDH1, is a differentiating agent shown to be clinically effective in newly diagnosed AML (ND-AML) and relapsed/refractory (R/R) AML harboring this mutation. The drug is approved by the Food and Drug Administration (FDA) as a single-agent treatment for R/R AML. Significance of mutated IDH1 targeting and a potential role of ivosidenib in AML management, when used either as a single agent or as part of combination therapies, will be reviewed herein.
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Affiliation(s)
- Galia Stemer
- Institute of Hematology, Ha'Emek Medical Center, Afula, Israel
| | - Jacob M Rowe
- Department of Hematology and Bone Marrow Transplantation, Rambam Health Care Campus, Haifa, Israel.,Department of Hematology, Shaare Zedek Medical Center, Jerusalem, Israel.,The Ruth and Bruce Rappaport Faculty of Medicine, Technion, Haifa, Israel
| | - Yishai Ofran
- Department of Hematology and Bone Marrow Transplantation, Rambam Health Care Campus, Haifa, Israel.,The Ruth and Bruce Rappaport Faculty of Medicine, Technion, Haifa, Israel
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18
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Sesanto R, Kuehn JF, Barber DL, White KA. Low pH Facilitates Heterodimerization of Mutant Isocitrate Dehydrogenase IDH1-R132H and Promotes Production of 2-Hydroxyglutarate. Biochemistry 2021; 60:1983-1994. [PMID: 34143606 PMCID: PMC8246651 DOI: 10.1021/acs.biochem.1c00059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
![]()
Isocitrate dehydrogenase
1 (IDH1) is a key metabolic enzyme for
maintaining cytosolic levels of α-ketoglutarate (AKG) and preserving
the redox environment of the cytosol. Wild-type (WT) IDH1 converts
isocitrate to AKG; however, mutant IDH1-R132H that is recurrent in
human cancers catalyzes the neomorphic production of the oncometabolite d-2-hydroxyglutrate (D-2HG) from AKG. Recent work suggests that
production of l-2-hydroxyglutarte in cancer cells can be
regulated by environmental changes, including hypoxia and intracellular
pH (pHi). However, it is unknown whether and how pHi affects the activity
of IDH1-R132H. Here, we show that in cells IDH1-R132H can produce
D-2HG in a pH-dependent manner with increased production at lower
pHi. We also identify a molecular mechanism by which this pH sensitivity
is achieved. We show that pH-dependent production of D-2HG is mediated
by pH-dependent heterodimer formation between IDH1-WT and IDH1-R132H.
In contrast, neither IDH1-WT nor IDH1-R132H homodimer formation is
affected by pH. Our results demonstrate that robust production of
D-2HG by IDH1-R132H relies on the coincidence of (1) the ability to
form heterodimers with IDH1-WT and (2) low pHi or highly abundant
AKG substrate. These data suggest cancer-associated IDH1-R132H may
be sensitive to physiological or microenvironmental cues that lower
pH, such as hypoxia or metabolic reprogramming. This work reveals
new molecular considerations for targeted therapeutics and suggests
potential synergistic effects of using catalytic IDH1 inhibitors targeting
D-2HG production in combination with drugs targeting the tumor microenvironment.
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Affiliation(s)
- Rae Sesanto
- Department of Cell and Tissue Biology, University of California, San Francisco, San Francisco, California 94122, United States
| | - Jessamine F Kuehn
- Department of Chemistry and Biochemistry, The University of Notre Dame, Notre Dame, Indiana 46556, United States.,Harper Cancer Research Institute, South Bend, Indiana 46617, United States
| | - Diane L Barber
- Department of Cell and Tissue Biology, University of California, San Francisco, San Francisco, California 94122, United States
| | - Katharine A White
- Department of Chemistry and Biochemistry, The University of Notre Dame, Notre Dame, Indiana 46556, United States.,Harper Cancer Research Institute, South Bend, Indiana 46617, United States
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19
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IDH2 mutations in patients with normal karyotype AML predict favorable responses to daunorubicin, cytarabine and cladribine regimen. Sci Rep 2021; 11:10017. [PMID: 33976256 PMCID: PMC8113255 DOI: 10.1038/s41598-021-88120-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 03/05/2021] [Indexed: 12/15/2022] Open
Abstract
Mutations in isocitrate dehydrogenase 1 and 2 (IDH1/2) genes occur in about 20% patients with acute myeloid leukemia (AML), leading to DNA hypermethylation and epigenetic deregulation. We assessed the prognostic significance of IDH1/2 mutations (IDH1/2+) in 398 AML patients with normal karyotype (NK-AML), treated with daunorubicine + cytarabine (DA), DA + cladribine (DAC), or DA + fludarabine. IDH2 mutation was an independent favorable prognostic factor for 4-year overall survival (OS) in total NK-AML population (p = 0.03, censoring at allotransplant). We next evaluated the effect of addition of cladribine to induction regimen on the patients’ outcome according to IDH1/2 mutation status. In DAC group, 4-year OS was increased in IDH2+ patients, compared to IDH-wild type group (54% vs 33%; p = 0.0087, censoring at allotransplant), while no difference was observed for DA-treated subjects. In multivariate analysis, DAC independently improved the survival of IDH2+ patients (HR = 0.6 [0.37–0.93]; p = 0.024; censored at transplant), indicating that this group specifically benefits from cladribine-containing therapy. In AML cells with R140Q or R172K IDH2 mutations, cladribine restrained mutations-related DNA hypermethylation. Altogether, DAC regimen produces better outcomes in IDH2+ NK-AML patients than DA, and this likely results from the hypomethylating activity of cladribine. Our observations warrant further investigations of induction protocols combining cladribine with IDH1/2 inhibitors in IDH2-mutant.
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20
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Cerchione C, Romano A, Daver N, DiNardo C, Jabbour EJ, Konopleva M, Ravandi-Kashani F, Kadia T, Martelli MP, Isidori A, Martinelli G, Kantarjian H. IDH1/IDH2 Inhibition in Acute Myeloid Leukemia. Front Oncol 2021; 11:639387. [PMID: 33898313 PMCID: PMC8063727 DOI: 10.3389/fonc.2021.639387] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 01/27/2021] [Indexed: 12/22/2022] Open
Abstract
Recently, the discovery of biological and clinical properties of mutated isoforms 1 and 2 mutations of isocitrate dehydrogenases (IDH) 1 and 2, affecting approximately 20% of patients with acute myeloid leukemia (AML), lead to the development of an individualized treatment strategy. Promoting differentiation and maturation of the malignant clone targeting IDH is an emerging strategy to promote clinical responses in AML. Phase I/II trials have shown evidence of safety, tolerability, and encouraging evidence of efficacy of two small molecule inhibitors targeting IDH2 and IDH1 gene mutations, respectively enasidenib and ivosidenib. In this review, the contribution of IDH1/IDH2 mutations in leukemogenesis and progress of targeted therapeutics in AML will be highlighted.
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Affiliation(s)
- Claudio Cerchione
- Hematology Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Alessandra Romano
- Dipartimento di Chirurgia e Specialità Medico-Chirurgiche, Sezione di Ematologia, Università degli Studi di Catania, Catania, Italy
| | - Naval Daver
- Hematology and Clinical Immunology, University of Perugia, Perugia, Italy
| | - Courtney DiNardo
- Hematology and Clinical Immunology, University of Perugia, Perugia, Italy
| | | | - Marina Konopleva
- Hematology and Clinical Immunology, University of Perugia, Perugia, Italy
| | | | - Tapan Kadia
- Hematology and Clinical Immunology, University of Perugia, Perugia, Italy
| | | | - Alessandro Isidori
- Leukemia Department, MD Anderson Cancer Center, Houston, TX, United States
| | - Giovanni Martinelli
- Hematology Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Hagop Kantarjian
- Hematology and Clinical Immunology, University of Perugia, Perugia, Italy
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21
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Chen EC, Li S, Eisfeld AK, Luskin MR, Mims A, Jones D, Antin JH, Cutler CS, Koreth J, Ho VT, Gooptu M, Romee R, El-Jawahri A, McAfee SL, DeFilipp Z, Soiffer RJ, Chen YB, Fathi AT. Outcomes for Patients With IDH-Mutated Acute Myeloid Leukemia Undergoing Allogeneic Hematopoietic Cell Transplantation. Transplant Cell Ther 2021; 27:479.e1-479.e7. [PMID: 33840625 DOI: 10.1016/j.jtct.2021.02.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 02/16/2021] [Accepted: 02/16/2021] [Indexed: 12/12/2022]
Abstract
Disease relapse after hematopoietic cell transplantation (HCT) is a major cause of treatment failure for patients with acute myeloid leukemia (AML). Maintenance therapy after HCT for patients with targetable mutations such as mutated IDH1 or IDH2 may improve outcomes, and clinical trials evaluating this strategy are ongoing. However, clinical outcomes of IDH1- and IDH2-mutated AML patients after HCT have not been well described. The primary objective of this study was to describe the clinical characteristics and post-HCT outcomes of IDH-mutated AML patients. Survival outcomes included progression-free survival (PFS), overall survival, and cumulative incidences of relapse and nonrelapse mortality. In this multicenter retrospective analysis, 112 adult patients with IDH1- or IDH2-mutated AML who underwent HCT and did not receive an IDH inhibitor as maintenance therapy after HCT were identified at Massachusetts General Hospital, Dana Farber Cancer Institute, and Ohio State University. Mutation testing was performed using next-generation sequencing panels. Patient characteristics were collected retrospectively, and their survival outcomes were analyzed. Univariate and multivariate analyses were performed. The median patient age was 64.1 years. The median follow-up was 27.5 months. Among patients, 78.5% had intermediate- or adverse-risk disease by European LeukemiaNET criteria. Fifty-eight percent of patients received intensive induction chemotherapy, 82% of patients underwent HCT during first complete remission (CR) or CR with incomplete hematologic recovery (CRi), and 34% of patients received myeloablative conditioning. Frequently detected co-mutations were DNMT3A (35.7%), NPM1 (33.1%), and FLT3-ITD (13.4%); TP53 mutations were detected in 3.6% of patients. For IDH1-mutated patients transplanted during first CR/CRi, the 1- and 2-year PFS was 75% and 58%, respectively. For IDH2-mutated patients transplanted in first CR/CRi, the 1- and 2-year PFS was 64% and 58%, respectively. The 2-year cumulative incidence of relapse was 31% and 25% for IDH1- and IDH2-mutated cohorts, respectively. Multivariable analysis suggested first CR/CRi and age ≤60 was associated with improved outcomes for IDH2-mutated patients. To date, this is the largest multicenter study of outcomes of IDH-mutated AML patients after HCT. Our analysis provides important benchmarks for analysis and interpretation of results emerging from clinical trials evaluating maintenance IDH1 and IDH2 inhibitor therapy for AML patients after HCT.
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Affiliation(s)
- Evan C Chen
- Massachusetts General Hospital Cancer Center, Boston, Massachusetts
| | - Shuli Li
- Massachusetts General Hospital Cancer Center, Boston, Massachusetts
| | | | - Marlise R Luskin
- Division of Hematologic Malignancies, Dana Farber Cancer Institute, Boston, Massachusetts
| | - Alice Mims
- Ohio State University Comprehensive Cancer Center, Columbus, Ohio
| | - Daniel Jones
- Ohio State University Comprehensive Cancer Center, Columbus, Ohio
| | - Joseph H Antin
- Division of Hematologic Malignancies, Dana Farber Cancer Institute, Boston, Massachusetts
| | - Corey S Cutler
- Division of Hematologic Malignancies, Dana Farber Cancer Institute, Boston, Massachusetts
| | - John Koreth
- Division of Hematologic Malignancies, Dana Farber Cancer Institute, Boston, Massachusetts
| | - Vincent T Ho
- Division of Hematologic Malignancies, Dana Farber Cancer Institute, Boston, Massachusetts
| | - Mahasweta Gooptu
- Division of Hematologic Malignancies, Dana Farber Cancer Institute, Boston, Massachusetts
| | - Rizwan Romee
- Division of Hematologic Malignancies, Dana Farber Cancer Institute, Boston, Massachusetts
| | - Areej El-Jawahri
- Hematopoietic Cell Transplant and Cell Therapy Program, Massachusetts General Hospital, Boston, Massachusetts
| | - Steven L McAfee
- Hematopoietic Cell Transplant and Cell Therapy Program, Massachusetts General Hospital, Boston, Massachusetts
| | - Zachariah DeFilipp
- Hematopoietic Cell Transplant and Cell Therapy Program, Massachusetts General Hospital, Boston, Massachusetts
| | - Robert J Soiffer
- Division of Hematologic Malignancies, Dana Farber Cancer Institute, Boston, Massachusetts
| | - Yi-Bin Chen
- Hematopoietic Cell Transplant and Cell Therapy Program, Massachusetts General Hospital, Boston, Massachusetts
| | - Amir T Fathi
- Center for Leukemia, Massachusetts General Hospital, Boston, Massachusetts.
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22
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Kawakami S, Michishita M, Sakaue M, Morimatsu M, Uemura M, Kashiwagi N, Maeda M, Machida Y, Azakami D, Egusa AS, Onozawa E, Ishioka K, Watanabe M, Tanaka Y, Omi T, Ochiai K. Novel canine isocitrate dehydrogenase 1 mutation Y208C attenuates dimerization ability. Oncol Lett 2020; 20:351. [PMID: 33123262 PMCID: PMC7586285 DOI: 10.3892/ol.2020.12214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 09/11/2020] [Indexed: 11/06/2022] Open
Abstract
Isocitrate dehydrogenase 1 (IDH1) mutations are common in gliomas, acute myeloid leukemia, and chondrosarcoma. The mutation ‘hotspot’ is a single arginine residue, R132. The R132H mutant of IDH1 produces the 2-hydroxyglutarate (2-HG) carcinogen from α-ketoglutarate (α-KG). The reduction of α-KG induces the accumulation of hypoxia-inducible factor-1α subunit (HIF-1α) in the cytosol, which is a predisposing factor for carcinogenesis. R132H is the most common IDH1 mutation in humans, but mutations at the R132 residue can also occur in tumor tissues of dogs. The current study reported the discovery of a novel Tyr208Cys (Y208C) mutation in canine IDH1 (cIDH1), which was isolated from 2 of 45 canine chondrosarcoma cases. As the genomic DNA isolated from chondrosarcoma tissue was mutated, but that isolated from blood was not, Y208C mutations were considered to be spontaneous somatic mutations. The isocitrate dehydrogenase activity of the Y208C mutant was attenuated compared with that of wild-type (WT) cIDH1, but the attenuation of Y208C was less intense than that of the R132H mutation. The induction of HIF-1α response element activity and cell retention of HIF-1α were not increased by Y208C overexpression. In silico and cell biological analysis of IDH1 dimerization revealed that the Y208C mutation, but not the R132H mutation, attenuated binding activity with WT cIDH1. These data suggested that the attenuation of dimerization by the Y208C mutation may cause tumorigenesis through different mechanisms other than via 2-HG production by the IDH1 R132 mutation.
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Affiliation(s)
- Shota Kawakami
- School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Musashino, Tokyo 180-8602, Japan
| | - Masaki Michishita
- Laboratory of Veterinary Pathology, School of Veterinary Science, Musashino, Tokyo 180-8602, Japan.,Research Center for Animal Life Science, Nippon Veterinary and Life Science University, Musashino, Tokyo 180-8602, Japan
| | - Motoharu Sakaue
- Laboratory of Anatomy II, Department of Veterinary Medicine, School of Veterinary Medicine, Azabu University, Sagamihara, Kanagawa 252-5201, Japan
| | - Masami Morimatsu
- Laboratory of Animal Science and Medicine, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
| | - Mitsuki Uemura
- School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Musashino, Tokyo 180-8602, Japan.,Laboratory of Veterinary Hygiene, School of Veterinary Science, Nippon Veterinary and Life Science University, Musashino, Tokyo 180-8602, Japan
| | - Nobuaki Kashiwagi
- School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Musashino, Tokyo 180-8602, Japan.,Laboratory of Veterinary Hygiene, School of Veterinary Science, Nippon Veterinary and Life Science University, Musashino, Tokyo 180-8602, Japan
| | - Marika Maeda
- Laboratory of Veterinary Hygiene, School of Veterinary Science, Nippon Veterinary and Life Science University, Musashino, Tokyo 180-8602, Japan
| | - Yukino Machida
- Laboratory of Veterinary Pathology, School of Veterinary Science, Musashino, Tokyo 180-8602, Japan
| | - Daigo Azakami
- Laboratory of Clinical Oncology, Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Fuchu, Tokyo 183-8538, Japan
| | - Ai S Egusa
- Department of Applied Life Science, Faculty of Food Science, Nippon Veterinary and Life Science University, Musashino, Tokyo 180-8602, Japan
| | - Eri Onozawa
- School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Musashino, Tokyo 180-8602, Japan
| | - Katsumi Ishioka
- School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Musashino, Tokyo 180-8602, Japan
| | - Masami Watanabe
- Department of Urology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 700-8558, Japan
| | - Yoshikazu Tanaka
- Research Center for Animal Life Science, Nippon Veterinary and Life Science University, Musashino, Tokyo 180-8602, Japan.,Laboratory of Veterinary Hygiene, School of Veterinary Science, Nippon Veterinary and Life Science University, Musashino, Tokyo 180-8602, Japan
| | - Toshinori Omi
- School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Musashino, Tokyo 180-8602, Japan.,Research Center for Animal Life Science, Nippon Veterinary and Life Science University, Musashino, Tokyo 180-8602, Japan
| | - Kazuhiko Ochiai
- School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Musashino, Tokyo 180-8602, Japan.,Research Center for Animal Life Science, Nippon Veterinary and Life Science University, Musashino, Tokyo 180-8602, Japan.,Laboratory of Veterinary Hygiene, School of Veterinary Science, Nippon Veterinary and Life Science University, Musashino, Tokyo 180-8602, Japan
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23
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Lin X, Wang Z, Yang G, Wen G, Zhang H. YTHDF2 correlates with tumor immune infiltrates in lower-grade glioma. Aging (Albany NY) 2020; 12:18476-18500. [PMID: 32986017 PMCID: PMC7585119 DOI: 10.18632/aging.103812] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 07/20/2020] [Indexed: 01/24/2023]
Abstract
Immunotherapy is an effective treatment for many cancer types. However, YTHDF2 effects on the prognosis of different tumors and correlation with tumor immune infiltration are unclear. Here, we analyzed The Cancer Genome Atlas and Gene Expression Omnibus data obtained through various web-based platforms. The analyses showed that YTHDF2 expression and associated prognoses may depend on cancer type. High YTHDF2 expression was associated with poor overall survival in lower-grade glioma (LGG). In addition, YTHDF2 expression positively correlated with expression of several immune cell markers, including PD-1, TIM-3, and CTLA-4, as well as tumor-associated macrophage gene markers, and isocitrate dehydrogenase 1 in LGG. These findings suggest that YTHDF2 is a potential prognostic biomarker that correlates with LGG tumor-infiltrating immune cells.
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Affiliation(s)
- Xiangan Lin
- Department of Cancer Chemotherapy, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Guangzhou 510000, China
| | - Zhichao Wang
- Department of Cancer Chemotherapy, Zengcheng District People’s Hospital of Guangzhou, Guangzhou 511300, China
| | - Guangda Yang
- Department of Cancer Chemotherapy, Zengcheng District People’s Hospital of Guangzhou, Guangzhou 511300, China
| | - Guohua Wen
- Department of Cancer Chemotherapy, Zengcheng District People’s Hospital of Guangzhou, Guangzhou 511300, China
| | - Hailiang Zhang
- Department of Cancer Chemotherapy, Zengcheng District People’s Hospital of Guangzhou, Guangzhou 511300, China
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24
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Martelli MP, Martino G, Cardinali V, Falini B, Martinelli G, Cerchione C. Enasidenib and ivosidenib in AML. Minerva Med 2020; 111:411-426. [PMID: 32955829 DOI: 10.23736/s0026-4806.20.07024-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The isocitrate dehydrogenases enzymes, IDH1 and IDH2, catalyze the conversion of isocitrate to α-ketoglutarate (αKG) in the cell cytoplasm and mitochondria, respectively, and contribute to generating the dihydronicotinamide-adenine dinucleotide phosphate (NADPH) as reductive potential in different cellular processes. Mutations in IDH1 and IDH2 genes are found collectively in about 20-25% of acute myeloid leukemia (AML) patients. Mutant IDH enzymes have neomorphic activity and convert αKG to the oncometabolite R-2-hydroxyglutarate (R-2-HG) which accumulates at high levels in the cell and hampers the function of αKG-dependent enzymes, including epigenetic regulators, thus leading to altered gene expression and block of differentiation and contributing to leukemia development. Inhibition of the neomorphic mutants induces marked decrease in R-2-HG levels and restores myeloid differentiation. Enasidenib and ivosidenib are potent and selective inhibitors of mutant IDH2 and IDH1, respectively, act as differentiating agents and showed clinical activity in relapsed/refractory (R/R) AML harboring the specific mutation. As single agents, both drugs have been approved by the Food and Drug Administration (FDA) for the treatment of R/R AML. The relevance of IDH targeting within either single agent approach or, most importantly, combinatorial treatments in AML will be discussed.
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Affiliation(s)
- Maria Paola Martelli
- Section of Hematology and Clinical Immunology, Department of Medicine, University of Perugia, Perugia, Italy -
| | - Giovanni Martino
- Section of Hematology and Clinical Immunology, Department of Medicine, University of Perugia, Perugia, Italy
| | - Valeria Cardinali
- Section of Hematology and Clinical Immunology, Department of Medicine, University of Perugia, Perugia, Italy
| | - Brunangelo Falini
- Section of Hematology and Clinical Immunology, Department of Medicine, University of Perugia, Perugia, Italy
| | - Giovanni Martinelli
- IRCCS Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Meldola, Forlì-Cesena, Italy
| | - Claudio Cerchione
- Unit of Hematology, IRCCS Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST), Meldola, Forlì-Cesena, Italy
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25
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Kattih B, Shirvani A, Klement P, Garrido AM, Gabdoulline R, Liebich A, Brandes M, Chaturvedi A, Seeger T, Thol F, Göhring G, Schlegelberger B, Geffers R, John D, Bavendiek U, Bauersachs J, Ganser A, Heineke J, Heuser M. IDH1/2 mutations in acute myeloid leukemia patients and risk of coronary artery disease and cardiac dysfunction-a retrospective propensity score analysis. Leukemia 2020; 35:1301-1316. [PMID: 32948843 PMCID: PMC8102189 DOI: 10.1038/s41375-020-01043-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 08/12/2020] [Accepted: 09/07/2020] [Indexed: 01/02/2023]
Abstract
Clonal hematopoiesis of indeterminate potential (CHIP) is linked to leukemia gene mutations and associates with an increased risk for coronary artery disease and poor prognosis in ischemic cardiomyopathy. Two recurrently mutated genes in CHIP and adult acute myeloid leukemia (AML) encode for isocitrate dehydrogenases 1 and 2 (IDH1 and IDH2). Global expression of mutant IDH2 in transgenic mice-induced dilated cardiomyopathy and muscular dystrophy. In this retrospective observational study, we investigated whether mutant IDH1/2 predisposes to cardiovascular disease in AML patients. Among 363 AML patients, IDH1 and IDH2 mutations were detected in 26 (7.2%) and 39 patients (10.7%), respectively. Mutant IDH1 patients exhibited a significantly higher prevalence of coronary artery disease (26.1% vs. 6.4%, p = 0.002). Applying inverse probability-weighting analysis, patients with IDH1/2 mutations had a higher risk for a declining cardiac function during AML treatment compared to IDH1/2 wild type patients [left ventricular ejection fraction pretreatment compared to 10 months after diagnosis: 59.2% to 41.9% (p < 0.001) vs 58.5% to 55.4% (p = 0.27), respectively]. Mechanistically, RNA sequencing and immunostaining in hiPS-derived cardiomyocytes indicated that the oncometabolite R-2HG exacerbated doxorubicin mediated cardiotoxicity. Evaluation of IDH1/2 mutation status may therefore help identifying AML patients at risk for cardiovascular complications during cytotoxic treatment.
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Affiliation(s)
- Badder Kattih
- Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg Strasse 1, 30625, Hannover, Germany.,Department of Cardiovascular Physiology, European Center for Angioscience (ECAS), Medical Faculty Mannheim of Heidelberg University, Ludolf-Krehl-Strasse 7-11, 68167, Mannheim, Germany.,Institute for Cardiovascular Regeneration, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany.,German Center for Cardiovascular Research (DZHK), partner site Rhein/Main, Frankfurt am Main, Germany
| | - Amir Shirvani
- Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg Strasse 1, 30625, Hannover, Germany
| | - Piroska Klement
- Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg Strasse 1, 30625, Hannover, Germany
| | - Abel Martin Garrido
- Department of Cardiovascular Physiology, European Center for Angioscience (ECAS), Medical Faculty Mannheim of Heidelberg University, Ludolf-Krehl-Strasse 7-11, 68167, Mannheim, Germany
| | - Razif Gabdoulline
- Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg Strasse 1, 30625, Hannover, Germany
| | - Alessandro Liebich
- Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg Strasse 1, 30625, Hannover, Germany
| | - Maximilian Brandes
- Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg Strasse 1, 30625, Hannover, Germany
| | - Anuhar Chaturvedi
- Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg Strasse 1, 30625, Hannover, Germany
| | - Timon Seeger
- Department of Medicine III, University Hospital Heidelberg, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany.,German Center for Cardiovascular Research (DZHK), partner site Heidelberg/Mannheim, Heidelberg, Germany
| | - Felicitas Thol
- Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg Strasse 1, 30625, Hannover, Germany
| | - Gudrun Göhring
- Department of Human Genetics, Hannover Medical School, Hannover, Germany
| | | | - Robert Geffers
- Genome Analytics, Helmholtz Center for Infection Research, Braunschweig, Germany
| | - David John
- Institute for Cardiovascular Regeneration, Goethe University Frankfurt, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany.,German Center for Cardiovascular Research (DZHK), partner site Rhein/Main, Frankfurt am Main, Germany
| | - Udo Bavendiek
- Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg Strasse 1, 30625, Hannover, Germany
| | - Johann Bauersachs
- Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg Strasse 1, 30625, Hannover, Germany
| | - Arnold Ganser
- Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg Strasse 1, 30625, Hannover, Germany
| | - Joerg Heineke
- Department of Cardiology and Angiology, Hannover Medical School, Carl-Neuberg Strasse 1, 30625, Hannover, Germany. .,Department of Cardiovascular Physiology, European Center for Angioscience (ECAS), Medical Faculty Mannheim of Heidelberg University, Ludolf-Krehl-Strasse 7-11, 68167, Mannheim, Germany. .,German Center for Cardiovascular Research (DZHK), partner site Heidelberg/Mannheim, Heidelberg, Germany.
| | - Michael Heuser
- Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Carl-Neuberg Strasse 1, 30625, Hannover, Germany.
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26
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Park S, Cho BS, Kim HJ. New agents in acute myeloid leukemia (AML). Blood Res 2020; 55:S14-S18. [PMID: 32719171 PMCID: PMC7386889 DOI: 10.5045/br.2020.s003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 02/05/2020] [Accepted: 02/18/2020] [Indexed: 02/06/2023] Open
Abstract
Despite expanding knowledge in the molecular landscape of acute myeloid leukemia (AML) and an increasing understanding of leukemogenic pathways, little has changed in the treatment of AML in the last 40 years. Since introduction in the 1970s, combination chemotherapy consisting of anthracycline and cytarabine has been the mainstay of treatment, with major therapeutic advances based on improving supportive care rather than the introduction of novel therapeutics. Over the last decades, there have been extensive efforts to identify specific target mutations or pathways with the aim of improving clinical outcomes. Finally, after a prolonged wait, we are witnessing the next wave of AML treatment, characterized by a more “precise” and “personalized” understanding of the unique molecular or genetic mapping of individual patients. This new trend has since been further facilitated, with four new FDA approvals granted in 2017 in AML therapeutics. Currently, a total of eight targeted agents have been approved since 2017 (as of Jan. 2020). In this review, we will briefly discuss these newer agents in the context of their indication and the basis of their approval.
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Affiliation(s)
- Silvia Park
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary's Hospital, Seoul, Korea.,Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Byung Sik Cho
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary's Hospital, Seoul, Korea.,Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Hee-Je Kim
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary's Hospital, Seoul, Korea.,Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul, Korea
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27
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Stein EM, DiNardo CD, Pollyea DA, Schuh AC. Response Kinetics and Clinical Benefits of Nonintensive AML Therapies in the Absence of Morphologic Response. CLINICAL LYMPHOMA MYELOMA & LEUKEMIA 2020; 20:e66-e75. [DOI: 10.1016/j.clml.2019.11.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 11/05/2019] [Accepted: 11/19/2019] [Indexed: 02/06/2023]
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28
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Abstract
In this Review, Rashkovan et al. discuss the role of cancer metabolic circuitries feeding anabolism and redox potential in leukemia development and recent progress in translating these important findings to the clinic. Leukemia cell proliferation requires up-regulation and rewiring of metabolic pathways to feed anabolic cell growth. Oncogenic drivers directly and indirectly regulate metabolic pathways, and aberrant metabolism is central not only for leukemia proliferation and survival, but also mediates oncogene addiction with significant implications for the development of targeted therapies. This review explores leukemia metabolic circuitries feeding anabolism, redox potential, and energy required for tumor propagation with an emphasis on emerging therapeutic opportunities.
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Affiliation(s)
- Marissa Rashkovan
- Institute for Cancer Genetics, Columbia University, New York, NY 10032, USA
| | - Adolfo Ferrando
- Institute for Cancer Genetics, Columbia University, New York, NY 10032, USA.,Department of Pediatrics, Columbia University, New York, NY 10032, USA.,Department of Pathology and Cell Biology, Columbia University, New York, NY 10032, USA
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29
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Kucukyurt S, Eskazan AE. New drugs approved for acute myeloid leukaemia in 2018. Br J Clin Pharmacol 2019; 85:2689-2693. [PMID: 31469910 PMCID: PMC6955409 DOI: 10.1111/bcp.14105] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 07/29/2019] [Accepted: 08/20/2019] [Indexed: 12/15/2022] Open
Abstract
Acute myeloid leukaemia (AML) is a haematopoietic stem cell disorder, that is characterized by the clonal expansion of myeloid blasts and suppression of normal haematopoiesis. The 3 + 7 regimen is the backbone of standard first-line induction therapy among young/fit patients. However, in elderly and/or unfit patients with newly diagnosed AML, who cannot receive intensive chemotherapy, low-dose cytarabine or hypomethylating agents (azacitidine or decitabine) are the treatment options, which generally cannot induce durable responses. Among young/fit patients, for high-risk disease in first remission, or in cases with relapsed/refractory AML, allogeneic stem cell transplantation should be performed when complete remission is achieved. However, since AML is primarily a disease of the elderly, neither intensive chemotherapy nor allogeneic stem cell transplantation can be generally tolerated in most cases. There is clearly a need for new treatment options in elderly and young/unfit patients who cannot receive intensive chemotherapy. The discovery of novel molecular genetic markers (e.g. FMS-like tyrosine kinase 3, isocitrate dehydrogenase 1 and 2) resulted in the development of new therapeutic options in AML. This review mainly focuses on 4 targeted therapy agents; glasdegib and venetoclax used in combination treatment with low-dose cytarabine or hypomethylating agents among newly diagnosed cases with AML; and ivosidenib and gilteritinib as monotherapy in the treatment of relapsed/refractory AML, which were all approved by the US Food and Drug Administration in 2018.
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Affiliation(s)
- Selin Kucukyurt
- Division of Hematology, Department of Internal Medicine, Cerrahpasa Faculty of MedicineIstanbul University‐CerrahpasaIstanbulTurkey
| | - Ahmet Emre Eskazan
- Division of Hematology, Department of Internal Medicine, Cerrahpasa Faculty of MedicineIstanbul University‐CerrahpasaIstanbulTurkey
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30
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Bewersdorf JP, Ardasheva A, Podoltsev NA, Singh A, Biancon G, Halene S, Zeidan AM. From clonal hematopoiesis to myeloid leukemia and what happens in between: Will improved understanding lead to new therapeutic and preventive opportunities? Blood Rev 2019; 37:100587. [DOI: 10.1016/j.blre.2019.100587] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 06/22/2019] [Accepted: 07/02/2019] [Indexed: 02/08/2023]
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31
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Megías-Vericat JE, Ballesta-López O, Barragán E, Montesinos P. IDH1-mutated relapsed or refractory AML: current challenges and future prospects. BLOOD AND LYMPHATIC CANCER-TARGETS AND THERAPY 2019; 9:19-32. [PMID: 31413655 PMCID: PMC6663038 DOI: 10.2147/blctt.s177913] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 05/07/2019] [Indexed: 12/26/2022]
Abstract
The prognosis of patients with relapsed or refractory acute myeloid leukemia (R/R AML) is discouraging with salvage standard approaches. Mutations of isocitrate dehydrogenase 1 (IDH1mut), present in 7–14% of AML patients, have been discovered recently, opening the door to targeted agents aiming to improve the outcomes in this setting. Several oral selective IDH1mut inhibitors are under investigation, ivosidenib being the first approved for R/R AML. We performed a systematic review to analyze the clinical outcomes and safety reported with IDH1mut inhibitors and other agents in adult patients with IDH1mut R/R AML. Ivosidenib in monotherapy achieved complete remission (CR) of 24%, overall response of 42%, and median overall survival of 9 months in R/R AML, and promising outcomes were reported with IDH305 and FT-2102. IDH1mut inhibitors were generally well tolerated, but some therapy-related toxicities should be monitored, including IDH-differentiation syndrome, prolongation of the QT interval, and leukocytosis, all manageable and reversible. Also, venetoclax, CB-839, PARP inhibitors, and IDH1 peptide vaccine are being studied in IDH1mut AML. The results of the ongoing and upcoming clinical trials will bring new evidence to establish the role of IDH1mut inhibitors in therapeutic strategies of AML.
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Affiliation(s)
| | - Octavio Ballesta-López
- Servicio de Farmacia, Área del Medicamento, Hospital Universitari i Politècnic La Fe, Valencia, Spain
| | - Eva Barragán
- Servicio de Hematología y Hemoterapia, Hospital Universitari i Politècnic La Fe, Valencia, Spain.,CIBERONC, Instituto Carlos III, Madrid, Spain
| | - Pau Montesinos
- Servicio de Hematología y Hemoterapia, Hospital Universitari i Politècnic La Fe, Valencia, Spain.,CIBERONC, Instituto Carlos III, Madrid, Spain
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Sridhar K, Singh A, Butzmann A, Jangam D, Ohgami RS. Molecular genetic testing methodologies in hematopoietic diseases: current and future methods. Int J Lab Hematol 2019; 41 Suppl 1:102-116. [PMID: 31069972 DOI: 10.1111/ijlh.13024] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 03/08/2019] [Accepted: 03/12/2019] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Rapid technological advancements in clinical molecular genetics have increased our diagnostic and prognostic capabilities in health care. Understanding these assays, as well as how they may change over time, is critical for pathologists, clinicians, and translational researchers alike. METHODS This review provides a practical summary and basic reference for current molecular genetic technologies, as well as new testing methodologies that are in use, gaining momentum, or anticipated to contribute more broadly in the future. RESULTS Here, we discuss DNA and RNA based methodologies including classic assays such as the polymerase chain reaction (PCR), Sanger sequencing, and microarrays, to more cutting-edge next-generation sequencing (NGS) based assays and emerging molecular technologies such as cell-free DNA (cfDNA) or circulating tumor DNA (ctDNA), and NGS-based detection of infectious disease organisms. CONCLUSION This review serves as a basic foundation for knowledge in current and emerging clinical molecular genetic technologies.
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Affiliation(s)
- Kaushik Sridhar
- Department of Pathology, Stanford University, Stanford, California
| | - Amol Singh
- Department of Pathology, Stanford University, Stanford, California
| | | | - Diwash Jangam
- Department of Pathology, Stanford University, Stanford, California
| | - Robert S Ohgami
- Department of Pathology, Stanford University, Stanford, California.,Department of Pathology, University of California, San Francisco, CA
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Lambert M, Alioui M, Jambon S, Depauw S, Van Seuningen I, David-Cordonnier MH. Direct and Indirect Targeting of HOXA9 Transcription Factor in Acute Myeloid Leukemia. Cancers (Basel) 2019; 11:cancers11060837. [PMID: 31213012 PMCID: PMC6627208 DOI: 10.3390/cancers11060837] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 06/10/2019] [Accepted: 06/13/2019] [Indexed: 01/14/2023] Open
Abstract
HOXA9 (Homeobox A9) is a homeotic transcription factor known for more than two decades to be associated with leukemia. The expression of HOXA9 homeoprotein is associated with anterior-posterior patterning during embryonic development, and its expression is then abolished in most adult cells, with the exception of hematopoietic progenitor cells. The oncogenic function of HOXA9 was first assessed in human acute myeloid leukemia (AML), particularly in the mixed-phenotype associated lineage leukemia (MPAL) subtype. HOXA9 expression in AML is associated with aggressiveness and a poor prognosis. Since then, HOXA9 has been involved in other hematopoietic malignancies and an increasing number of solid tumors. Despite this, HOXA9 was for a long time not targeted to treat cancer, mainly since, as a transcription factor, it belongs to a class of protein long considered to be an "undruggable" target; however, things have now evolved. The aim of the present review is to focus on the different aspects of HOXA9 targeting that could be achieved through multiple ways: (1) indirectly, through the inhibition of its expression, a strategy acting principally at the epigenetic level; or (2) directly, through the inhibition of its transcription factor function by acting at either the protein/protein interaction or the protein/DNA interaction interfaces.
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Affiliation(s)
- Mélanie Lambert
- Univ. Lille, Inserm, CHU Lille, UMR-S1172 - JPArc - Centre de Recherche Jean-Pierre Aubert Neurosciences and Cancer, F-59000 Lille, France.
- Institut pour la Recherche sur le Cancer de Lille, F-59045 Lille, France.
| | - Meryem Alioui
- Univ. Lille, Inserm, CHU Lille, UMR-S1172 - JPArc - Centre de Recherche Jean-Pierre Aubert Neurosciences and Cancer, F-59000 Lille, France.
- Institut pour la Recherche sur le Cancer de Lille, F-59045 Lille, France.
| | - Samy Jambon
- Univ. Lille, Inserm, CHU Lille, UMR-S1172 - JPArc - Centre de Recherche Jean-Pierre Aubert Neurosciences and Cancer, F-59000 Lille, France.
- Institut pour la Recherche sur le Cancer de Lille, F-59045 Lille, France.
| | - Sabine Depauw
- Univ. Lille, Inserm, CHU Lille, UMR-S1172 - JPArc - Centre de Recherche Jean-Pierre Aubert Neurosciences and Cancer, F-59000 Lille, France.
- Institut pour la Recherche sur le Cancer de Lille, F-59045 Lille, France.
| | - Isabelle Van Seuningen
- Univ. Lille, Inserm, CHU Lille, UMR-S1172 - JPArc - Centre de Recherche Jean-Pierre Aubert Neurosciences and Cancer, F-59000 Lille, France.
| | - Marie-Hélène David-Cordonnier
- Univ. Lille, Inserm, CHU Lille, UMR-S1172 - JPArc - Centre de Recherche Jean-Pierre Aubert Neurosciences and Cancer, F-59000 Lille, France.
- Institut pour la Recherche sur le Cancer de Lille, F-59045 Lille, France.
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Gallego Hernanz MP, Torregrosa Diaz JM, Sorel N, Bobin A, Dindinaud E, Bouyer S, Desmier D, Brizard F, Leleu X, Maillard N, Chomel JC. Long-term molecular remission in a patient with acute myeloid leukemia harboring a new NUP98-LEDGF rearrangement. Cancer Med 2019; 8:1765-1770. [PMID: 30848074 PMCID: PMC6488106 DOI: 10.1002/cam4.2051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 01/21/2019] [Accepted: 02/03/2019] [Indexed: 12/17/2022] Open
Abstract
A large variety of molecular rearrangements of the NUP98 gene have been described in the past decades (n = 72), involving fusion partners coding for different transcription factors, chromatin modifying enzymes, as well as various cytosolic proteins. Here, we report the case of an AML-M2 patient with a variant NUP98-LEDGF/PSIP1 gene fusion (N9-L10). In this patient, three different NUP98-LEDGF fusion mRNAs were characterized due to alternative splicing in LEDGF exon 11. Targeted high-throughput sequencing revealed the presence of IDH1, SRSF2, and WT1 additional pathogenic mutations. To improve the therapeutic monitoring, quantification of NUP98-LEDGF mRNA by real-time PCR was developed. Because of poor response to conventional chemotherapy, allogeneic stem cell transplantation was performed, followed by 20 cycles of azacitidine-based preemptive treatment of relapse. More than 31 months after diagnosis, corresponding to 25 months post SCT and 4 months after the last cycle of azacytidine, the patient is in complete molecular remission (undetectable NUP98-LEDGF mRNA transcripts). This study highlights the considerable variability in breakpoint location within both NUP98 and LEDGF, associated with alternative splicing affecting LEDGF. It also emphasizes the need to fully characterize the breakpoints within the two genes and the identification of all fusion mRNAs, particularly for the development of a molecular monitoring assay. All these data seem critical for the optimal management of NUP98-LEDGF + hematological malignancies commonly associated with a poor prognosis.
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Affiliation(s)
| | | | - Nathalie Sorel
- CHU de Poitiers, Service de Cancérologie Biologique, Poitiers, France
| | - Arthur Bobin
- CHU de Poitiers, Service d'Oncologie Hématologique et Thérapie Cellulaire, Poitiers, France
| | - Elodie Dindinaud
- CHU de Poitiers, Service d'Hématologie Biologique, Poitiers, France
| | - Sabrina Bouyer
- CHU de Poitiers, Service d'Hématologie Biologique, Poitiers, France
| | - Deborah Desmier
- CHU de Poitiers, Service d'Oncologie Hématologique et Thérapie Cellulaire, Poitiers, France
| | | | - Xavier Leleu
- CHU de Poitiers, Service d'Oncologie Hématologique et Thérapie Cellulaire, Poitiers, France.,INSERM, CIC-P, Poitiers, France
| | - Natacha Maillard
- CHU de Poitiers, Service d'Oncologie Hématologique et Thérapie Cellulaire, Poitiers, France
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35
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Brunner AM, Neuberg DS, Wander SA, Sadrzadeh H, Ballen KK, Amrein PC, Attar E, Hobbs GS, Chen YB, Perry A, Connolly C, Joseph C, Burke M, Ramos A, Galinsky I, Yen K, Yang H, Straley K, Agresta S, Adamia S, Borger DR, Iafrate A, Graubert TA, Stone RM, Fathi AT. Isocitrate dehydrogenase 1 and 2 mutations, 2-hydroxyglutarate levels, and response to standard chemotherapy for patients with newly diagnosed acute myeloid leukemia. Cancer 2019; 125:541-549. [PMID: 30422308 DOI: 10.1002/cncr.31729] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 07/16/2018] [Accepted: 07/24/2018] [Indexed: 01/27/2023]
Abstract
BACKGROUND Acute myeloid leukemia (AML) cells harboring mutations in isocitrate dehydrogenase 1 (IDH1) and isocitrate dehydrogenase 2 (IDH2) produce the oncometabolite 2-hydroxyglutarate (2HG). This study prospectively evaluated the 2HG levels, IDH1/2 mutational status, and outcomes of patients receiving standard chemotherapy for newly diagnosed AML. METHODS Serial samples of serum, urine, and bone marrow aspirates were collected from patients newly diagnosed with AML, and 2HG levels were measured with mass spectrometry. Patients with baseline serum 2HG levels greater than 1000 ng/mL or marrow pellet 2HG levels greater than 1000 ng/2 × 106 cells, which suggested the presence of an IDH1/2 mutation, underwent serial testing. IDH1/2 mutations and estimated variant allele frequencies were identified. AML characteristics were compared with the Wilcoxon test and Fisher's exact test. Disease-free survival and overall survival (OS) were evaluated with log-rank tests and Cox regression. RESULTS Two hundred and two patients were treated for AML; 51 harbored IDH1/2 mutations. IDH1/2-mutated patients had significantly higher 2HG levels in serum, urine, bone marrow aspirates, and aspirate cell pellets than wild-type patients. A serum 2HG level greater than 534.5 ng/mL was 98.8% specific for the presence of an IDH1/2 mutation. Patients with IDH1/2-mutated AML treated with 7+3-based induction had a 2-year event-free survival (EFS) rate of 44% and a 2-year OS rate of 57%. There was no difference in complete remission rates, EFS, or OS between IDH1/2-mutated and wild-type patients. Decreased serum 2HG levels on day 14 as a proportion of the baseline were significantly associated with improvements in EFS (P = .047) and OS (P = .019) in a multivariate analysis. CONCLUSIONS Among patients with IDH1/2-mutated AML, 2HG levels are highly specific for the mutational status at diagnosis, and they have prognostic relevance in patients receiving standard chemotherapy.
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Affiliation(s)
| | | | - Seth A Wander
- Massachusetts General Hospital, Boston, Massachusetts.,Dana-Farber Cancer Institute, Boston, Massachusetts
| | | | | | | | - Eyal Attar
- Massachusetts General Hospital, Boston, Massachusetts.,Agios Pharmaceuticals, Cambridge, Massachusetts
| | | | - Yi-Bin Chen
- Massachusetts General Hospital, Boston, Massachusetts
| | - Ashley Perry
- Massachusetts General Hospital, Boston, Massachusetts
| | | | | | - Meghan Burke
- Massachusetts General Hospital, Boston, Massachusetts
| | - Aura Ramos
- Massachusetts General Hospital, Boston, Massachusetts
| | | | | | - Hua Yang
- Agios Pharmaceuticals, Cambridge, Massachusetts
| | | | - Sam Agresta
- Agios Pharmaceuticals, Cambridge, Massachusetts
| | | | | | | | | | | | - Amir T Fathi
- Massachusetts General Hospital, Boston, Massachusetts
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Falini B, Spinelli O, Meggendorfer M, Martelli MP, Bigerna B, Ascani S, Stein H, Rambaldi A, Haferlach T. IDH1-R132 changes vary according to NPM1 and other mutations status in AML. Leukemia 2019; 33:1043-1047. [PMID: 30622284 PMCID: PMC6484707 DOI: 10.1038/s41375-018-0299-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 09/17/2018] [Accepted: 09/26/2018] [Indexed: 11/18/2022]
Affiliation(s)
- Brunangelo Falini
- The Institute of Hematology and Research Center for Hemato-Oncological diseases (CREO), University of Perugia, Perugia, Italy.
| | - Orietta Spinelli
- The Institute of Hematology, Ospedale Giovanni XXIII, Bergamo, Italy
| | | | - Maria Paola Martelli
- The Institute of Hematology and Research Center for Hemato-Oncological diseases (CREO), University of Perugia, Perugia, Italy
| | - Barbara Bigerna
- The Institute of Hematology and Research Center for Hemato-Oncological diseases (CREO), University of Perugia, Perugia, Italy
| | - Stefano Ascani
- The Institute of Hematology and Research Center for Hemato-Oncological diseases (CREO), University of Perugia, Perugia, Italy
| | - Harald Stein
- Pathodiastostik Berlin, Berliner Referenz-und Konsultatios Zentrum fur Lymphoma and Hamatopathologie, Berlin, Germany
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Nassereddine S, Lap CJ, Tabbara IA. Evaluating ivosidenib for the treatment of relapsed/refractory AML: design, development, and place in therapy. Onco Targets Ther 2018; 12:303-308. [PMID: 30643428 PMCID: PMC6314316 DOI: 10.2147/ott.s182443] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Improvements in the last decade in understanding the molecular mechanisms underlying acute myeloid leukemia (AML) have emphasized that treatment regimens should be personalized with agents that can selectively target genetic abnormalities if present. Neomorphic mutations in isoform 1 of isocitrate dehydrogenase (IDH1) result in the formation of the onco-metabolite R-2-hydroxyglutarate, which drives leukemic transformation by affecting processes such as chromatin remodeling, the cellular defense against oxidative stress and cell survival. Preclinical studies with small molecule inhibitors have validated mutant IDH1 as a molecular target, and a recent Phase 1 clinical trial with the first mutant IDH1 inhibitor ivosidenib has prompted approval by the US Food and Drug Association for the treatment of patients with IDH1-mutated AML in the relapsed and refractory setting due to impressive results. This approval has given a group of patients, that otherwise has a very poor prognosis and limited options, new hope, and it is to be expected that more indications for ivosidenib will follow soon. These developments highlight the potential of precision medicine in AML, with more agents currently under evaluation in clinical trials. Although the first reports have also already emerged describing acquired resistance for these mutant IDH inhibitors, combination treatment might overcome this problem, which could drastically change the treatment landscape of AML over the next few years.
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Affiliation(s)
- Samah Nassereddine
- Department of Internal Medicine, The George Washington University School of Medicine, Washington, DC, USA, .,Division of Hematology/Oncology, The George Washington Cancer Center, Washington, DC, USA,
| | - Coen J Lap
- Division of Hematology/Oncology, The George Washington Cancer Center, Washington, DC, USA,
| | - Imad A Tabbara
- Department of Internal Medicine, The George Washington University School of Medicine, Washington, DC, USA, .,Division of Hematology/Oncology, The George Washington Cancer Center, Washington, DC, USA,
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38
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Ok CY, Loghavi S, Sui D, Wei P, Kanagal-Shamanna R, Yin CC, Zuo Z, Routbort MJ, Tang G, Tang Z, Jorgensen JL, Luthra R, Ravandi F, Kantarjian HM, DiNardo CD, Medeiros LJ, Wang SA, Patel KP. Persistent IDH1/2 mutations in remission can predict relapse in patients with acute myeloid leukemia. Haematologica 2018; 104:305-311. [PMID: 30171025 PMCID: PMC6355476 DOI: 10.3324/haematol.2018.191148] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 08/24/2018] [Indexed: 01/23/2023] Open
Abstract
Persistence of IDH1 or IDH2 mutations in remission bone marrow specimens of patients with acute myeloid leukemia has been observed, but the clinical impact of these mutations is not well known. In this study, we evaluated 80 acute myeloid leukemia patients with known IDH1 R132 or IDH2 R140/R172 mutations and assessed their bone marrow at the time of remission to determine the potential impact of persistent IDH1/2 mutations. Approximately 40% of acute myeloid leukemia patients given standard treatment in this cohort had persistent mutations in IDH1/2 Patients with an IDH1/2 mutation had an increased risk of relapse after 1 year of follow-up compared to patients without a detectable IDH1/2 mutation (59% versus 24%; P<0.01). However, a persistent mutation was not associated with a shorter time to relapse. High IDH1/2 mutation burden (mutant allelic frequency ≥10%) did not correlate with relapse rate (77% versus 86% for patients with a low burden, i.e., mutant allelic frequency <10%; P=0.66). Persistent mutations were also observed in NPM1, DNMT3A and FLT3 during remission, but IDH1/2 mutations remained significant in predicting relapse by multivariate analysis. Flow cytometry was comparable and complementary to next-generation sequencing-based assay for predicting relapse. Monitoring for persistent IDH1/2 mutations in patients with acute myeloid leukemia in remission can provide information that could be used to justify early interventions, with the hope of facilitating longer remissions and better outcomes in these patients.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Farhad Ravandi
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Hagop M Kantarjian
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Courtney D DiNardo
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Characterization of IDH1 p.R132H Mutant Clones Using Mutation-specific Antibody in Myeloid Neoplasms. Am J Surg Pathol 2018; 42:569-577. [PMID: 29635257 DOI: 10.1097/pas.0000000000000970] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Isocitrate dehydrogenase 1 (IDH1) and IDH2 mutations occur in a variety of myeloid neoplasms. Immunohistochemistry (IHC)-based direct visualization of mutant clones of hematopoietic cells can be useful for rapid diagnostic screening and for monitoring treatment response. In this study, we first evaluated the sensitivity and specificity of the IDH1 p.R132H mutation-specific antibody by IHC. All IDH1 wild type cases (n=11) and IDH1 mutant cases with a non-p.R132H mutation (n=30) were negative by IHC, demonstrating 100% antibody specificity. All the initial diagnostic specimens with IDH1 p.R132H mutation including acute myeloid leukemia (n=30), myelodysplastic syndromes (MDS) (n=10), MDS/myeloproliferative neoplasms (MPN) (n=4), and MPN (n=5) were positive by IHC, demonstrating 100% antibody sensitivity. Both immature and mature myeloid cells showed immunoreactivity. Erythroid precursors, lymphoid cells, endothelial cells, and osteoblasts were consistently negative by IHC. We then evaluated the follow-up specimens with a known IDH1 mutation status including acute myeloid leukemia (n=23), MDS (n=2), MDS/MPN (n=2), and MPN (n=2). Thirty-three IDH1 p.R132H mutant cases were positive by IHC and 12 IDH1 mutation negative cases were negative by IHC. However, IHC reactivity in up to 25% of bone marrow cells was noted in 8 of 20 polymerase chain reaction-negative cases, all from patients with a known history of IDH1 p.R132H mutation indicating sampling error or a sensitivity issue with molecular tests. These data indicate that IHC is a highly specific and sensitive tool to detect IDH1 p.R132H mutation in bone marrow involved by myeloid neoplasms. In addition, IDH1 p.R132H IHC also allows localization and assessment of the maturation stage of the clones carrying the mutation.
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40
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Han X, Li W, He N, Feng P, Pang Y, Ji C, Ma D. Gene mutation patterns of Chinese acute myeloid leukemia patients by targeted next-generation sequencing and bioinformatic analysis. Clin Chim Acta 2018; 479:25-37. [PMID: 29309772 DOI: 10.1016/j.cca.2018.01.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Revised: 12/31/2017] [Accepted: 01/04/2018] [Indexed: 12/20/2022]
Abstract
PURPOSES The conventional risk stratification of acute myeloid leukemia (AML), based on cytogenetics, cannot meet the demand for accurate prognostic evaluations. In recent years, gene mutations are found to be potential markers for more accurate risk stratification, but reports on mutation screening of Chinese AML are limited. We aim to display the mutation patterns of Chinese AML patients, reveal the genotype-phenotype correlations and make a comparison with Caucasians patients. METHODS Genome DNA from 78 patients' bone marrow were extracted for targeted gene mutation panel by next-generation sequencing (NGS) technology. Statistics and bioinformatics were used to analyze the correlations between gene mutations and clinical features, as well as the comparison of our results with the Cancer Genome Atlas Research Network (TCGA) public AML dataset. RESULTS We found patients with mutations of FLT3 and TET2 had higher bone marrow blasts, peripheral blasts and white blood cell (WBC) count, mutations of SRSF2 were related with age, and mutations of FLT3-ITD, DNMT3A, IDH1, TET2 and SRSF2 were risk factors for overall survival. What's more, we discovered 15 novel mutations and difference of mutational incidence in 6 genes between Chinese and Caucasians AML. Bioinformatic analysis revealed some relationship between gene mutations and expressions as well as drug sensitivities. CONCLUSIONS We made an investigation on the mutation patterns of Chinese AML patients by NGS technique and revealed correlations between gene mutations and clinical features. Thus we recommend routine testing of suspected genes for better prognostic prediction and individualized treatment.
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Affiliation(s)
- Xiaoyu Han
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, PR China
| | - Wei Li
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, PR China
| | - Na He
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, PR China
| | - Panpan Feng
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, PR China
| | - Yihua Pang
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, PR China
| | - Chunyan Ji
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, PR China.
| | - Daoxin Ma
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong 250012, PR China.
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41
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Kawakami S, Ochiai K, Azakami D, Kato Y, Michishita M, Morimatsu M, Ishiguro-Oonuma T, Onozawa E, Watanabe M, Omi T. R132 mutations in canine isocitrate dehydrogenase 1 (IDH1) lead to functional changes. Vet Res Commun 2017; 42:49-56. [PMID: 29285579 DOI: 10.1007/s11259-017-9707-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 12/19/2017] [Indexed: 11/25/2022]
Abstract
Glioma is the second most common intracranial neoplasia in dogs, but the pathogenic mechanisms remain unclear. In humans, isocitrate dehydrogenase 1 (IDH1) is frequently mutated in gliomas. Although almost all human IDH1 mutations have been identified as involving the Arg132 codon, few studies have reported structural, functional, and mutational information for canine IDH1. Therefore, in this study, we cloned the canine IDH1 homologue and used PCR mutagenesis to substitute the wildtype (WT) Arg132 with His (R132H) or Ser (R132S). WT and mutated IDH1 were overexpressed in HeLa cells, and their presence was confirmed by immunoblotting and immunocytochemistry using mutation-specific antibodies. The IDH1 activity between WT, R132H, and R132S transfectants was compared by measuring the production of NADH and NADPH. NADPH production in R132H and R132S transfectants was lower than that in WT, but NADH levels were not significantly different. Finally, we detected increased expression of hypoxia inducible factor 1 alpha (HIF-1α) in the R132H and R132S transfectants. These results indicated that the canine IDH1 Arg132 mutation has the potential to induce carcinogenesis in canine somatic cells.
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Affiliation(s)
- Shota Kawakami
- School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Kazuhiko Ochiai
- School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan.
| | - Daigo Azakami
- School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Yuiko Kato
- School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Masaki Michishita
- Department of Veterinary Pathology, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Masami Morimatsu
- Laboratory of Laboratory Animal Science and Medicine, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan
| | - Toshina Ishiguro-Oonuma
- Laboratory of Veterinary Physiology, Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Iwate University, Morioka, Japan
| | - Eri Onozawa
- School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Masami Watanabe
- Department of Urology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
| | - Toshinori Omi
- School of Veterinary Nursing and Technology, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan
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42
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Wang J, Ma Z, Wang Q, Guo Q, Huang J, Yu W, Wang H, Huang J, Washington Shao Y, Chen S, Jin J. Prognostic utility of six mutated genes for older patients with acute myeloid leukemia. Int J Cancer 2017; 142:1664-1670. [PMID: 29193057 DOI: 10.1002/ijc.31178] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 11/02/2017] [Accepted: 11/16/2017] [Indexed: 12/19/2022]
Affiliation(s)
- Jinghan Wang
- Department of Hematology; The First Affiliated Hospital, Zhejiang University College of Medicine; Hangzhou People's Republic of China
- Institute of Hematology, Zhejiang University; Hangzhou People's Republic of China
- Key Laboratory of Hematologic Malignancies, Diagnosis and Treatment; Hangzhou Zhejiang People's Republic of China
| | - Zhixin Ma
- Institute of Hematology, Zhejiang University; Hangzhou People's Republic of China
| | - Qinrong Wang
- Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Collaborative Innovation Center of Hematology, Jiangsu Institute of Hematology, Soochow University, The First Affiliated Hospital of Soochow University; Suzhou People's Republic of China
| | - Qi Guo
- Department of Nephrology; The First Affiliated Hospital, Zhejiang University; Hangzhou China
| | - Jiansong Huang
- Institute of Hematology, Zhejiang University; Hangzhou People's Republic of China
- Key Laboratory of Hematologic Malignancies, Diagnosis and Treatment; Hangzhou Zhejiang People's Republic of China
| | - Wenjuan Yu
- Department of Hematology; The First Affiliated Hospital, Zhejiang University College of Medicine; Hangzhou People's Republic of China
- Institute of Hematology, Zhejiang University; Hangzhou People's Republic of China
- Key Laboratory of Hematologic Malignancies, Diagnosis and Treatment; Hangzhou Zhejiang People's Republic of China
| | - Huanping Wang
- Institute of Hematology, Zhejiang University; Hangzhou People's Republic of China
- Key Laboratory of Hematologic Malignancies, Diagnosis and Treatment; Hangzhou Zhejiang People's Republic of China
| | - Jingwen Huang
- Key Laboratory of Hematologic Malignancies, Diagnosis and Treatment; Hangzhou Zhejiang People's Republic of China
| | - Yang Washington Shao
- School of Public Health; Nanjing Medical University; Nanjing Jiangsu China
- Translational Medicine Research Institute, Geneseeq Technology, Inc; Toronto Ontario Canada M5G1L7
| | - Suning Chen
- Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Collaborative Innovation Center of Hematology, Jiangsu Institute of Hematology, Soochow University, The First Affiliated Hospital of Soochow University; Suzhou People's Republic of China
| | - Jie Jin
- Department of Hematology; The First Affiliated Hospital, Zhejiang University College of Medicine; Hangzhou People's Republic of China
- Institute of Hematology, Zhejiang University; Hangzhou People's Republic of China
- Key Laboratory of Hematologic Malignancies, Diagnosis and Treatment; Hangzhou Zhejiang People's Republic of China
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Hernandez-Valladares M, Vaudel M, Selheim F, Berven F, Bruserud Ø. Proteogenomics approaches for studying cancer biology and their potential in the identification of acute myeloid leukemia biomarkers. Expert Rev Proteomics 2017; 14:649-663. [DOI: 10.1080/14789450.2017.1352474] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Maria Hernandez-Valladares
- Department of Clinical Science, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway
- Proteomics Unit, Department of Biomedicine, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway
| | - Marc Vaudel
- KG Jebsen Center for Diabetes Research, Department of Clinical Science, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway
- Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
| | - Frode Selheim
- Proteomics Unit, Department of Biomedicine, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway
| | - Frode Berven
- Proteomics Unit, Department of Biomedicine, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway
| | - Øystein Bruserud
- Department of Clinical Science, Faculty of Medicine and Dentistry, University of Bergen, Bergen, Norway
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Ali MAM, Ahmed EK, Assem MMA, Helwa R. The Synonymous Isocitrate Dehydrogenase 1 315C>T SNP Confers an Adverse Prognosis in Egyptian Adult Patients with NPM1-/CEBPA-Negative Acute Myeloid Leukemia. Indian J Hematol Blood Transfus 2017; 34:240-252. [PMID: 29622865 DOI: 10.1007/s12288-017-0852-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 07/17/2017] [Indexed: 11/26/2022] Open
Abstract
Although the clinical features of isocitrate dehydrogenase (IDH) genetic aberrations have been well-characterized in acute myeloid leukemia (AML), definitive information on their prognostic significance is lacking. We aimed to explore the prognostic significance of IDH gene alterations in an Egyptian cohort of adult patients with de novo AML. Diagnostic peripheral blood samples from 51 AML patients were analyzed for the presence of mutations/SNPs in exon 4 of IDH1 and IDH2 genes using polymerase chain reaction amplification followed by direct sequencing. IDH mutational status had no impact on event-free survival (EFS) and overall survival (OS), whereas the presence of IDH1 315C>T SNP was significantly associated with inferior EFS (P = 0.037) and OS (P = 0.034) as compared with wild-type IDH1. IDH1 315C>T SNP but not IDH mutations is associated with unfavorable outcomes, suggesting that AML patients with IDH1 315C>T SNP can represent a new subgroup of patients which allows refined risk stratification.
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Affiliation(s)
- Mohamed A M Ali
- 1Department of Biochemistry, Faculty of Science, Ain Shams University, Abbassia, Cairo, 11566 Egypt
| | - Emad K Ahmed
- 1Department of Biochemistry, Faculty of Science, Ain Shams University, Abbassia, Cairo, 11566 Egypt
| | - Magda M A Assem
- 2Clinical Pathology Department, National Cancer Institute, Cairo University, Cairo, Egypt
| | - Reham Helwa
- 3Zoology Department, Faculty of Science, Ain Shams University, Cairo, Egypt
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45
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Xu Q, Li Y, Lv N, Jing Y, Xu Y, Li Y, Li W, Yao Z, Chen X, Huang S, Wang L, Li Y, Yu L. Correlation Between Isocitrate Dehydrogenase Gene Aberrations and Prognosis of Patients with Acute Myeloid Leukemia: A Systematic Review and Meta-Analysis. Clin Cancer Res 2017; 23:4511-4522. [PMID: 28246275 DOI: 10.1158/1078-0432.ccr-16-2628] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 11/23/2016] [Accepted: 02/22/2017] [Indexed: 11/16/2022]
Abstract
Purpose: Whether isocitrate dehydrogenase (IDH) gene aberrations affected prognosis of patients with acute myeloid leukemia (AML) was controversial. Here, we conducted a meta-analysis to evaluate their prognostic value.Experimental Design: PubMed, Embase, Cochrane, and Chinese databases were searched to identify studies exploring how IDH gene aberrations affected AML outcome. Pooled HRs and relative risks (RR) were calculated, along with 95% confidence intervals (CI).Results: Thirty-three reports were included. IDH mutations seemed not to affect overall survival (OS: HR, 1.05; 95% CI, 0.89-1.23) and event-free survival (EFS: HR, 0.97; 95% CI, 0.80-1.18) when considered as a single factor, but improved accumulative incidence of relapse (CIR: HR, 1.44; 95% CI, 1.18-1.76) in patients with intermediate-risk karyotypes (IR-AML). However, IDH1 mutation conferred worse OS (HR, 1.17; 95% CI, 1.05-1.31) and EFS (HR, 1.29; 95% CI, 1.07-1.56), especially in patients with normal cytogenetics (OS: HR, 1.21; 95% CI, 1.01-1.46; EFS: HR, 1.56; 95% CI, 1.23-1.98). Prognosis of the IDH1 single-nucleotide polymorphism rs11554137 was also poor (OS: HR, 1.34; 95% CI, 1.03-1.75). IDH2 mutation improved OS (HR, 0.78; 95% CI, 0.66-0.93), particularly in IR-AML patients (OS: HR, 0.65; 95% CI, 0.49-0.86). The IDH2 (R140) mutation was associated with better OS among younger cases (HR, 0.64; 95% CI, 0.49-0.82). Treatment outcome was poor [RR for complete remission rates in IDH1 mutation: 1.21; 95% CI, 1.02-1.44; IDH2 (R172) mutation: 2.14; 95% CI, 1.61-2.85].Conclusions: Various subtypes of IDH mutations might contribute to different prognosis and be allowed to stratify IR-AML further. Clin Cancer Res; 23(15); 4511-22. ©2017 AACR.
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Affiliation(s)
- Qingyu Xu
- Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing, China.,Medical School of Nankai University, Tianjin, China
| | - Yan Li
- Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing, China
| | - Na Lv
- Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing, China
| | - Yu Jing
- Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing, China
| | - Yihan Xu
- Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing, China
| | - Yuyan Li
- Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing, China
| | - Wenjun Li
- Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing, China
| | - Zilong Yao
- Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing, China
| | - Xiaosu Chen
- Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing, China.,Medical School of Nankai University, Tianjin, China
| | - Sai Huang
- Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing, China
| | - Lili Wang
- Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing, China
| | - Yonghui Li
- Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing, China
| | - Li Yu
- Department of Hematology and BMT Center, Chinese PLA General Hospital, Beijing, China.
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46
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Pastore F, Levine RL. Epigenetic regulators and their impact on therapy in acute myeloid leukemia. Haematologica 2017; 101:269-78. [PMID: 26928248 DOI: 10.3324/haematol.2015.140822] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Genomic studies of hematologic malignancies have identified a spectrum of recurrent somatic alterations that contribute to acute myeloid leukemia initiation and maintenance, and which confer sensitivities to molecularly targeted therapies. The majority of these genetic events are small, site-specific alterations in DNA sequence. In more than two thirds of patients with de novo acute myeloid leukemia mutations epigenetic modifiers are detected. Epigenetic modifiers encompass a large group of proteins that modify DNA at cytosine residues or cause post-translational histone modifications such as methylations or acetylations. Altered functions of these epigenetic modifiers disturb the physiological balance between gene activation and gene repression and contribute to aberrant gene expression regulation found in acute myeloid leukemia. This review provides an overview of the epigenetic modifiers mutated in acute myeloid leukemia, their clinical relevance and how a deeper understanding of their biological function has led to the discovery of new specific targets, some of which are currently tested in mechanism-based clinical trials.
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Affiliation(s)
- Friederike Pastore
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center
| | - Ross L Levine
- Leukemia Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York City, NY, USA
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Pawlyn C, Kaiser MF, Heuck C, Melchor L, Wardell CP, Murison A, Chavan SS, Johnson DC, Begum DB, Dahir NM, Proszek PZ, Cairns DA, Boyle EM, Jones JR, Cook G, Drayson MT, Owen RG, Gregory WM, Jackson GH, Barlogie B, Davies FE, Walker BA, Morgan GJ. The Spectrum and Clinical Impact of Epigenetic Modifier Mutations in Myeloma. Clin Cancer Res 2016; 22:5783-5794. [PMID: 27235425 PMCID: PMC5124543 DOI: 10.1158/1078-0432.ccr-15-1790] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 03/24/2016] [Accepted: 04/27/2016] [Indexed: 12/14/2022]
Abstract
PURPOSE Epigenetic dysregulation is known to be an important contributor to myeloma pathogenesis but, unlike other B-cell malignancies, the full spectrum of somatic mutations in epigenetic modifiers has not been reported previously. We sought to address this using the results from whole-exome sequencing in the context of a large prospective clinical trial of newly diagnosed patients and targeted sequencing in a cohort of previously treated patients for comparison. EXPERIMENTAL DESIGN Whole-exome sequencing analysis of 463 presenting myeloma cases entered in the UK NCRI Myeloma XI study and targeted sequencing analysis of 156 previously treated cases from the University of Arkansas for Medical Sciences (Little Rock, AR). We correlated the presence of mutations with clinical outcome from diagnosis and compared the mutations found at diagnosis with later stages of disease. RESULTS In diagnostic myeloma patient samples, we identify significant mutations in genes encoding the histone 1 linker protein, previously identified in other B-cell malignancies. Our data suggest an adverse prognostic impact from the presence of lesions in genes encoding DNA methylation modifiers and the histone demethylase KDM6A/UTX The frequency of mutations in epigenetic modifiers appears to increase following treatment most notably in genes encoding histone methyltransferases and DNA methylation modifiers. CONCLUSIONS Numerous mutations identified raise the possibility of targeted treatment strategies for patients either at diagnosis or relapse supporting the use of sequencing-based diagnostics in myeloma to help guide therapy as more epigenetic targeted agents become available. Clin Cancer Res; 22(23); 5783-94. ©2016 AACR.
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Affiliation(s)
| | | | - Christoph Heuck
- Myeloma Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | | | | | - Alex Murison
- The Institute of Cancer Research, London, United Kingdom
| | - Shweta S Chavan
- Myeloma Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | | | - Dil B Begum
- The Institute of Cancer Research, London, United Kingdom
| | - Nasrin M Dahir
- The Institute of Cancer Research, London, United Kingdom
| | | | - David A Cairns
- Clinical Trials Research Unit, Leeds Institute of Clinical Trials Research, University of Leeds, Leeds, United Kingdom
| | - Eileen M Boyle
- The Institute of Cancer Research, London, United Kingdom
| | - John R Jones
- The Institute of Cancer Research, London, United Kingdom
| | | | - Mark T Drayson
- Clinical Immunology, School of Immunity and Infection, University of Birmingham, Birmingham, United Kingdom
| | - Roger G Owen
- St James's University Hospital, Leeds, United Kingdom
| | - Walter M Gregory
- Clinical Trials Research Unit, Leeds Institute of Clinical Trials Research, University of Leeds, Leeds, United Kingdom
| | - Graham H Jackson
- Department of Haematology, Newcastle University, Newcastle, United Kingdom
| | - Bart Barlogie
- Myeloma Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Faith E Davies
- The Institute of Cancer Research, London, United Kingdom
- Myeloma Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Brian A Walker
- The Institute of Cancer Research, London, United Kingdom
- Myeloma Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Gareth J Morgan
- The Institute of Cancer Research, London, United Kingdom.
- Myeloma Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas
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Medeiros BC, Fathi AT, DiNardo CD, Pollyea DA, Chan SM, Swords R. Isocitrate dehydrogenase mutations in myeloid malignancies. Leukemia 2016; 31:272-281. [PMID: 27721426 PMCID: PMC5292675 DOI: 10.1038/leu.2016.275] [Citation(s) in RCA: 250] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 08/17/2016] [Accepted: 08/25/2016] [Indexed: 12/14/2022]
Abstract
Alterations to genes involved in cellular metabolism and epigenetic regulation are implicated in the pathogenesis of myeloid malignancies. Recurring mutations in isocitrate dehydrogenase (IDH) genes are detected in approximately 20% of adult patients with acute myeloid leukemia (AML) and 5% of adults with myelodysplastic syndromes (MDS). IDH proteins are homodimeric enzymes involved in diverse cellular processes, including adaptation to hypoxia, histone demethylation and DNA modification. The IDH2 protein is localized in the mitochondria and is a critical component of the tricarboxylic acid (also called the ‘citric acid' or Krebs) cycle. Both IDH2 and IDH1 (localized in the cytoplasm) proteins catalyze the oxidative decarboxylation of isocitrate to α-ketoglutarate (α-KG). Mutant IDH enzymes have neomorphic activity and catalyze reduction of α-KG to the (R) enantiomer of 2-hydroxyglutarate, which is associated with DNA and histone hypermethylation, altered gene expression and blocked differentiation of hematopoietic progenitor cells. The prognostic significance of mutant IDH (mIDH) is controversial but appears to be influenced by co-mutational status and the specific location of the mutation (IDH1-R132, IDH2-R140, IDH2-R172). Treatments specifically or indirectly targeted to mIDH are currently under clinical investigation; these therapies have been generally well tolerated and, when used as single agents, have shown promise for inducing responses in some mIDH patients when used as first-line treatment or in relapsed or refractory AML or MDS. Use of mIDH inhibitors in combination with drugs with non-overlapping mechanisms of action is especially promising, as such regimens may address the clonal heterogeneity and the multifactorial pathogenic processes involved in mIDH myeloid malignancies. Advances in mutational analysis have made testing more rapid and convenient, and less expensive; such testing should become part of routine diagnostic workup and repeated at relapse to identify patients who may benefit from treatments that target mIDH.
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Affiliation(s)
- B C Medeiros
- Division of Hematology, Department of Medicine, Stanford University School of Medicine, Stanford Cancer Center, Stanford, CA, USA
| | - A T Fathi
- Massachusetts General Hospital Cancer Center, Harvard Medical School, Boston, MA, USA
| | - C D DiNardo
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - D A Pollyea
- Division of Hematology, University of Colorado School of Medicine, Aurora, CO, USA
| | - S M Chan
- Princess Margaret Cancer Centre, Toronto, ON, Canada
| | - R Swords
- Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL, USA
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Virijevic M, Karan-Djurasevic T, Marjanovic I, Tosic N, Mitrovic M, Djunic I, Colovic N, Vidovic A, Suvajdzic-Vukovic N, Tomin D, Pavlovic S. Somatic mutations of isocitrate dehydrogenases 1 and 2 are prognostic and follow-up markers in patients with acute myeloid leukaemia with normal karyotype. Radiol Oncol 2016; 50:385-393. [PMID: 27904446 PMCID: PMC5120579 DOI: 10.1515/raon-2016-0044] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Accepted: 06/18/2016] [Indexed: 12/22/2022] Open
Abstract
Background Mutations in the isocitrate dehydrogenase 1 and 2 (IDH1 and IDH2) genes are frequent molecular lesions in acute myeloid leukaemia with normal karyotype (AML-NK). The effects of IDH mutations on clinical features and treatment outcome in AML-NK have been widely investigated, but only a few studies monitored these mutations during follow-up. Patients and methods In our study samples from 110 adult de novo AML-NK were studied for the presence of IDH1 and IDH2 mutations, their associations with other prognostic markers and disease outcome. We also analyzed the stability of these mutations during the course of the disease in complete remission (CR) and relapse. Results IDH mutations were found in 25 (23%) patients. IDH+ patients tend to have lower CR rate compared to IDH-patients (44% vs 62.2%, p = 0.152), and had slightly lower disease free survival (12 months vs 17 months; p = 0.091). On the other hand, the presence of IDH mutations had significant impact on overall survival (2 vs 7 months; p = 0.039). The stability of IDH mutations were studied sequentially in 19 IDH+ patients. All of them lost the mutation in CR, and the same IDH mutations were detected in relapsed samples. Conclusions Our study shows that the presence of IDH mutations confer an adverse effect in AML-NK patients, which in combination with other molecular markers can lead to an improved risk stratification and better treatment. Also, IDH mutations are very stable during the course of the disease and can be potentially used as markers for minimal residual disease detection.
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Affiliation(s)
| | - Teodora Karan-Djurasevic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Irena Marjanovic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Natasa Tosic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
| | - Mirjana Mitrovic
- Clinic for Hematology, Clinical Center of Serbia, Belgrade, Serbia; Medical Faculty, University of Belgrade, Belgrade, Serbia
| | - Irena Djunic
- Clinic for Hematology, Clinical Center of Serbia, Belgrade, Serbia; Medical Faculty, University of Belgrade, Belgrade, Serbia
| | - Natasa Colovic
- Clinic for Hematology, Clinical Center of Serbia, Belgrade, Serbia; Medical Faculty, University of Belgrade, Belgrade, Serbia
| | - Ana Vidovic
- Clinic for Hematology, Clinical Center of Serbia, Belgrade, Serbia; Medical Faculty, University of Belgrade, Belgrade, Serbia
| | - Nada Suvajdzic-Vukovic
- Clinic for Hematology, Clinical Center of Serbia, Belgrade, Serbia; Medical Faculty, University of Belgrade, Belgrade, Serbia
| | - Dragica Tomin
- Clinic for Hematology, Clinical Center of Serbia, Belgrade, Serbia; Medical Faculty, University of Belgrade, Belgrade, Serbia
| | - Sonja Pavlovic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Belgrade, Serbia
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50
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Armitage EG, Southam AD. Monitoring cancer prognosis, diagnosis and treatment efficacy using metabolomics and lipidomics. Metabolomics 2016; 12:146. [PMID: 27616976 PMCID: PMC4987388 DOI: 10.1007/s11306-016-1093-7] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Accepted: 08/02/2016] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Cellular metabolism is altered during cancer initiation and progression, which allows cancer cells to increase anabolic synthesis, avoid apoptosis and adapt to low nutrient and oxygen availability. The metabolic nature of cancer enables patient cancer status to be monitored by metabolomics and lipidomics. Additionally, monitoring metabolic status of patients or biological models can be used to greater understand the action of anticancer therapeutics. OBJECTIVES Discuss how metabolomics and lipidomics can be used to (i) identify metabolic biomarkers of cancer and (ii) understand the mechanism-of-action of anticancer therapies. Discuss considerations that can maximize the clinical value of metabolic cancer biomarkers including case-control, prognostic and longitudinal study designs. METHODS A literature search of the current relevant primary research was performed. RESULTS Metabolomics and lipidomics can identify metabolic signatures that associate with cancer diagnosis, prognosis and disease progression. Discriminatory metabolites were most commonly linked to lipid or energy metabolism. Case-control studies outnumbered prognostic and longitudinal approaches. Prognostic studies were able to correlate metabolic features with future cancer risk, whereas longitudinal studies were most effective for studying cancer progression. Metabolomics and lipidomics can help to understand the mechanism-of-action of anticancer therapeutics and mechanisms of drug resistance. CONCLUSION Metabolomics and lipidomics can be used to identify biomarkers associated with cancer and to better understand anticancer therapies.
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Affiliation(s)
- Emily G. Armitage
- Centre for Metabolomics and Bioanalysis (CEMBIO), Faculty of Pharmacy, Universidad CEU San Pablo, Campus Monteprincipe, Boadilla del Monte, 28668 Madrid, Spain
- Wellcome Trust Centre for Molecular Parasitology, Institute of Infection, Immunity and Inflammation, College of Medical Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8TA UK
- Glasgow Polyomics, Wolfson Wohl Cancer Research Centre, College of Medical Veterinary and Life Sciences, University of Glasgow, Glasgow, G61 1QH UK
| | - Andrew D. Southam
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT UK
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