Acute promyelocytic leukemia pathophysiology: Difference between revisions
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''PLZF'' (''ZBTB16'')<ref name="pmid28529810">{{cite journal| author=Langabeer SE, Preston L, Kelly J, Goodyer M, Elhassadi E, Hayat A| title=Molecular Profiling: A Case of ZBTB16-RARA Acute Promyelocytic Leukemia. | journal=Case Rep Hematol | year= 2017 | volume= 2017 | issue= | pages= 7657393 | pmid=28529810 | doi=10.1155/2017/7657393 | pmc=5424191 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=28529810 }} </ref> | ''PLZF'' (''ZBTB16'')<ref name="pmid28529810">{{cite journal| author=Langabeer SE, Preston L, Kelly J, Goodyer M, Elhassadi E, Hayat A| title=Molecular Profiling: A Case of ZBTB16-RARA Acute Promyelocytic Leukemia. | journal=Case Rep Hematol | year= 2017 | volume= 2017 | issue= | pages= 7657393 | pmid=28529810 | doi=10.1155/2017/7657393 | pmc=5424191 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=28529810 }} </ref><ref name="pmid29541170">{{cite journal| author=Chen C, Huang X, Wang K, Chen K, Gao D, Qian S| title=Early mortality in acute promyelocytic leukemia: Potential predictors. | journal=Oncol Lett | year= 2018 | volume= 15 | issue= 4 | pages= 4061-4069 | pmid=29541170 | doi=10.3892/ol.2018.7854 | pmc=5835847 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=29541170 }} </ref> | ||
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''STAT5B'' | ''STAT5B''<ref name="pmid29541170">{{cite journal| author=Chen C, Huang X, Wang K, Chen K, Gao D, Qian S| title=Early mortality in acute promyelocytic leukemia: Potential predictors. | journal=Oncol Lett | year= 2018 | volume= 15 | issue= 4 | pages= 4061-4069 | pmid=29541170 | doi=10.3892/ol.2018.7854 | pmc=5835847 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=29541170 }} </ref> | ||
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Revision as of 16:25, 12 May 2018
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Acute promyelocytic leukemia Microchapters |
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Differentiating Acute promyelocytic leukemia from other Diseases |
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Acute promyelocytic leukemia pathophysiology On the Web |
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Risk calculators and risk factors for Acute promyelocytic leukemia pathophysiology |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Shyam Patel [2]
Pathophysiology
The pathophysiology of acute promyelocytic leukemia begins with a balanced reciprocal chromosomal translocation in hematopoietic stem cells. The chromosomal translocation involves the juxtaposition of the retinoic acid receptor-alpha gene (RARA) on the long arm of chromosome 17 with another gene, most commonly the promyelocytic leukemia gene (PML) on the long arm of chromosome 15.[1] The translocation is designated as t(15;17)(q22;q12). The PML-RARA fusion product is a transcriptional regulator and prevents myeloid differentiation. This is known as a differentiation block, since the cells are unable to differentiate into normal mature cells. The result of the chromosomal translocation is ineffective blood cell production and uncontrolled proliferation of malignant promyelocytes.[1] In 95% of cases of acute promyelocytic leukemia, the translocation involved PML and RARA. However, it is important to note that RARA has multiple other binding partners which can lead to the development or acute promyelocytic leukemia, as shown in the table below.
| Translocation Partner | Chromosomal Location | Function | Response to Therapy | Other Features |
|---|---|---|---|---|
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PML |
15q24.1 |
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11q23.2 |
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NPM1 |
5q35.1 |
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NUMA[2] |
11q13.4 |
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STAT5B[3] |
17q21.2 |
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References
- ↑ 1.0 1.1 1.2 Langabeer SE, Preston L, Kelly J, Goodyer M, Elhassadi E, Hayat A (2017). "Molecular Profiling: A Case of ZBTB16-RARA Acute Promyelocytic Leukemia". Case Rep Hematol. 2017: 7657393. doi:10.1155/2017/7657393. PMC 5424191. PMID 28529810.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 Park J, Jurcic JG, Rosenblat T, Tallman MS (2011). "Emerging new approaches for the treatment of acute promyelocytic leukemia". Ther Adv Hematol. 2 (5): 335–52. doi:10.1177/2040620711410773. PMC 3573416. PMID 23556100.
- ↑ 3.0 3.1 Chen C, Huang X, Wang K, Chen K, Gao D, Qian S (2018). "Early mortality in acute promyelocytic leukemia: Potential predictors". Oncol Lett. 15 (4): 4061–4069. doi:10.3892/ol.2018.7854. PMC 5835847. PMID 29541170.