Evidence map›Paper›PMID 34120595›Full record

ArticleBMC medical genomics2021

Novel combined variants of WT1 and TET2 in a refractory and recurrent AML patient.

Qiang Ma, Yixian Guo, Xiaoxi Lan, Guoxiang Wang, Wanling Sun

Open access · goldAbstract readCase Reports
In one paragraph

Article in BMC medical genomics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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3 · Its place in the literature

Who cites it

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4 · The record

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5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Qiang MaDepartment of Hematology, Xuanwu Hospital, Capital Medical University, No. 45 Changchun Street, Beijing, 100053, People's Republic of China.
Yixian GuoDepartment of Hematology, Xuanwu Hospital, Capital Medical University, No. 45 Changchun Street, Beijing, 100053, People's Republic of China.
Xiaoxi LanDepartment of Hematology, Xuanwu Hospital, Capital Medical University, No. 45 Changchun Street, Beijing, 100053, People's Republic of China.
Guoxiang WangDepartment of Hematology, Xuanwu Hospital, Capital Medical University, No. 45 Changchun Street, Beijing, 100053, People's Republic of China.
Wanling SunDepartment of Hematology, Xuanwu Hospital, Capital Medical University, No. 45 Changchun Street, Beijing, 100053, People's Republic of China. wanlingsun@xwhosp.org.
Capital Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSomatic mutations in Wilms' tumor 1 (WT1) and tet methylcytosine dioxygenase 2 (TET2) genes were separately perceived as contributors to hematopoietic disorders and usually thought to have a mutually exclusive effect in acute myeloid leukemia (AML). However, we found novel WT1 and TET2 variants persistently co-existed in a refractory and recurrent AML patient with t(9;11)(p21.3;q23.3); KMT2A-MLLT3, and were only detectable genetic alteration in early recurrence. Hence, these two novel variants were further investigated in patient's family, and the potential effect on disease progression was evaluated at follow-up. CASE PRESENTATION: A 27-year-old male was diagnosed with AML, having t(9;11)(p21.3;q23.3); KMT2A-MLLT3, accompanied by WT1 (NM_024426.6:exon7:c.1109G>C:p.Arg370Pro) and TET2 (NM_001127208.3:exon11:c.5530G>A:p.Asp1844Asn) variants. After two cycles of induction chemotherapy, complete remission was achieved. A consolidation treatment was then completed. However, the evaluation of the bone marrow revealed that early recurrence, WT1 (p.Arg370Pro) and TET2 (p.Asp1844Asn) variants still detectable, instead of KMT2A-MLLT3. Subsequently, these two variants were proved to be germline variants, which inherited from father and mother respectively. And the patient's elder brother also carried TET2 (p.Asp1844Asn) variant. A sequential allogeneic HLA-matched sible hematopoietic stem cell transplantation (allo-HSCT) was carried out, and the donor is the patient's elder brother, the original two variants of patient were replaced by the donor-derived TET2 (p.Asp1844Asn) variant after allo-HSCT; the patient has remained in complete remission with regular follow-up.

conclusionsIn brief, it is firstly reported that WT1 p.Arg370Pro and TET2 p.Asp1844Asn variants co-existed in a refractory and recurrent AML patient by inheritance. These two variants of the patient were replaced with donor-derived TET2 p.Asp1844Asn after allo-HSCT, and the patient has remained in complete remission with regular follow-up.

Indexed as

DioxygenasesDNA-Binding ProteinsLeukemia, Myeloid, AcuteProto-Oncogene ProteinsWT1 ProteinsAdultHumansMalePedigreeRecurrenceDioxygenasesDNA-Binding ProteinsProto-Oncogene ProteinsTET2 protein, humanWT1 protein, humanWT1 ProteinsAcute myeloid leukemiaCase reportGermline variantNext-generation sequencingPrognosisTET2WT1

Identifiers

PMID34120595
PMCPMC8201863
OpenAlexW3170128736

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.