Recombinant Human Thrombopoietin receptor (MPL), partial

1. JAK2V617F mutation was found in 37 (61.7%) patients with ET. Among 23 patients without JAK2V617F mutation, 7 (11.7%) had CALR mutation and 1 (1.7%) had MPL mutation. Fifteen (25.0%) patients were negative for all 3 mutations: JAK2V617F(-), CALR(-), and MPL(-). PMID: 29390868
2. MPL and CALR genotypes show a similar clinical picture at essential thrombocythaemia diagnosis. Bone marrow histology in MPL-mutated ET is characterized by prominent megakaryocytic proliferation. PMID: 29934356
3. These results indicate that lusutrombopag acts on human TPOR to upregulate differentiation and proliferation of megakaryocytic cells, leading to platelet production. PMID: 29274361
4. The expression of TPO and c-Mpl was significantly decreased in the cITP group compared to the nITP group, suggesting that TPO and its receptor may play important roles in childhood cITP pathogenesis. PMID: 29313460
5. A novel germ-line mutation of c-mpl gene in a sporadic case of essential thrombocythemia. PMID: 28391042
6. This study demonstrated that absence of MPL mutation in stroke. PMID: 28625126
7. MPL mutations and splenomegaly are risk factors for essential thrombocythemia progression into primary nyelofibrosis. PMID: 27768091
8. goals were: (i) to identify other MPL mutations that should be tested in MPN patients by mutation-specific PCR; and (ii) to determine the amino acid requirements at position 515 to prevent TpoR self-activation PMID: 26437785
9. Concurrent MPL W515L and Y591D mutations in a patient with myelofibrosis. PMID: 27519934
10. MPL is up regulated in JAK2(V617F) ECs and contributes to the maintenance/expansion of the JAK2(V617F) clone over JAK2(WT) clone in vitro PMID: 27865175
11. In tumor cell cultures, exogenous expression of MPL led to constitutive activation of STAT3 and 5, ERK1/2, and AKT, cytokine-independent growth, and reduction of apoptosis similar to the effects seen in the spontaneously outgrown cells. PMID: 27177927
12. Essential Thrombocythemia and Primary Myelofibrosis patients with MPL mutations are at high risk for Thrombotic Events. PMID: 28766534
13. Results show that mutant CALR induces autocrine, but not paracrine activation of MPL in myeloproliferative neoplasm. [review] PMID: 28741795
14. these results demonstrate that MPL P106L is a receptor with an incomplete defect in trafficking. PMID: 28034873
15. A newborn girl with congenitcal amegakaryocytic thrombocytopenia had a homozygous missense Trp154-to- Arg mutation in exon 4 of c-MPL. The same heterozygote mutation was detected in her mother, father, and 2 siblings. PMID: 26316487
16. Normal FLT3 and negative expression of CD34 and cMPL may predict a longer overall survival in aute myeloid leukemia. PMID: 27993871
17. we show that the positive charge of the CALR mutant C-terminus is necessary to transform hematopoietic cells by enabling binding between mutant CALR and the thrombopoietin receptor MPL. PMID: 26951227
18. In essential thrombocythemia, MPL mutations might be associated with a higher risk of fibrotic transformation and the presence of JAK2/MPL mutations with higher risk of thrombosis. PMID: 26890983
19. PARP-1 has an important role in the progression of acute myeloid leukemia by suppressing the myeloproliferative leukemia virus oncogene PMID: 26314963
20. mutant CALR promotes myeloproliferative neoplasm development by activating c-MPL and its downstream pathway. PMID: 26817954
21. Thrombopoietin receptor activation by myeloproliferative neoplasm associated calreticulin mutants. PMID: 26668133
22. we describe a Mpl W515K somatic mutation in a paediatric case of ET who presented with Budd-Chiari syndrome. No paediatric patient harbouring a Mpl W515K mutation has been previously reported. PMID: 25970554
23. His(499) regulates the activation of human TpoR and provides additional protection against activating mutations, such as oncogenic Asn mutations in the TM domain PMID: 26627830
24. this study has shown that in a fraction of the so-called triple-negative ETs a significant proportion of patients have mutations in signaling molecules, more particularly in MPL. PMID: 26450985
25. erythrocyte lineage enforces exclusivity through upregulation of EKLF and its lineage-specific cytokine receptor (EpoR) while inhibiting both FLI-1 and the receptor TpoR (also known as MPL) for the opposing megakaryocyte lineage PMID: 26159733
26. Compared to normal controls, the frequency of the JAK246/1 haplotype was significantly higher among patients with JAK2V617F, JAK2Ex12del, or MPL mutations, whereas no significant difference was found among CALR mutation-positive patients PMID: 26614694
27. Flow cytometric detection of MPL (CD110) as a diagnostic tool for differentiation of congenital thrombocytopenias. PMID: 25911549
28. Using C-mannosylation defective mutant of c-Mpl, the C-mannosylated tryptophan residues at four sites (Trp(269), Trp(272), Trp(474), and Trp(477)) are essential for c-Mpl-mediated JAK-STAT signaling. PMID: 26505790
29. MPL gene mutations are associated with essential thrombocythaemia and major thrombotic complications. PMID: 25573593
30. Letter/Meta-analysis: thrombopoietin receptor agonists significantly increase the risk of portal vein thrombosis in liver diseases. PMID: 25761530
31. MPL mutation is associated with myeloproliferative neoplasms. PMID: 25398833
32. The effects of inhibition of the TPO/c-MPL pathway on enhancing the chemotherapy sensitivity of AML cells. PMID: 24085601
33. The data supports the proposal of including MPL exon 10 mutations as major diagnostic markers for myeloproliferative neoplasms. PMID: 26071474
34. CALR mutation, MPL mutation and triple negativity may have roles in lowering vascular risk in primary myelofibrosis PMID: 25482134
35. Both immature and mature Mpl reach the cell surface. PMID: 24931576
36. The P106L mutation functionally separates The activity of c-Mpl in downstream signaling from that in maintaining platelet homeostasis. PMID: 25538044
37. Amino acid substitutions in a thrombopoietin receptor (Mpl)--containing cell growth switch (CGS) extending receptor stability improve the expansion capacity of human cord blood CD34(+) cells in the absence of exogenous cytokines. PMID: 25343958
38. OTT1 regulates the alternative splicing of Mpl-TR, a truncated isoform of c-Mpl, which modulates Thrombopoietin-mediated signaling. PMID: 25468569
39. Studies demonstrate that progression to AML is part of the natural history of MPL W515L-associated disease. PMID: 20823136
40. Impaired transcriptional regulation of the MPL signaling that normally governs megakaryopoiesis and erythropoiesis underlies congenital amegakaryocytic thrombocytopenia. PMID: 23908116
41. These experiments define a novel VEGF-miR-1-Mpl-P-selectin effector pathway in lung Th2 inflammation and herald the utility of miR-1 and Mpl as potential therapeutic targets for asthma. PMID: 24043765
42. In migrating cancer stem cells isolated from primary human colorectal cancers, CD110(+) and CDCP1(+) subpopulations mediate organ-specific lung and liver metastasis. PMID: 23747337
43. MPL W515L mutation in pediatric essential thrombocythemia. PMID: 23441089
44. Different mutations of the human c-mpl gene indicate distinct hematopoietic diseases. PMID: 23351976
45. Loss of heterozygosity of chromosome 1p involving the MPL location may represent a molecular mechanism of fibrotic transformation in MPL-mutated myeloproliferative neoplasms. PMID: 23575445
46. MPL Baltimore mutation is associated with thrombocytosis. PMID: 23511495
47. Tryptophan at the transmembrane-cytosolic junction modulates thrombopoietin receptor dimerization and activation. PMID: 23359689
48. Up-regulation of wild-type MPL levels promotes leukemia development and maintenance through activation of the PI3K/AKT axis. PMID: 22613795
49. High MPL expression is associated with leukemia. PMID: 22337712
50. This study shows for the first time a link between homozygous MPL mutations and familial aplastic anemia. It also highlights the important role of MPL in trilineage hematopoiesis. PMID: 22180433

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HGNC: 7217

OMIM: 159530

KEGG: hsa:4352

STRING: 9606.ENSP00000361548

UniGene: Hs.82906