MPIG6B
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Also known as G6bNG31G6b-B
Summary
MPIG6B (megakaryocyte and platelet inhibitory receptor G6b, HGNC:13937) is a protein-coding gene on chromosome 6p21.33, encoding Megakaryocyte and platelet inhibitory receptor G6b (O95866). Inhibitory receptor that acts as a critical regulator of hematopoietic lineage differentiation, megakaryocyte function and platelet production.
This gene is a member of the immunoglobulin (Ig) superfamily and is located in the major histocompatibility complex (MHC) class III region. The protein encoded by this gene is a glycosylated, plasma membrane-bound cell surface receptor, but soluble isoforms encoded by some transcript variants have been found in the endoplasmic reticulum and Golgi before being secreted. Multiple transcript variants encoding different isoforms have been found for this gene.
Source: NCBI Gene 80739 — RefSeq curated summary.
At a glance
- Gene–disease (curated): thrombocytopenia, anemia, and myelofibrosis (Definitive, ClinGen)
- GWAS associations: 27
- Clinical variants (ClinVar): 43 total — 4 pathogenic, 5 likely-pathogenic
- Phenotypes (HPO): 7
- MANE Select transcript:
NM_138272
Identifiers
Gene identifiers
| Field | Value |
|---|---|
| HGNC ID | HGNC:13937 |
| Approved symbol | MPIG6B |
| Name | megakaryocyte and platelet inhibitory receptor G6b |
| Location | 6p21.33 |
| Locus type | gene with protein product |
| Status | Approved |
| Aliases | G6b, NG31, G6b-B |
| Ensembl gene | ENSG00000204420 |
| Ensembl biotype | protein_coding |
| OMIM | 606520 |
| Entrez | 80739 |
Gene structure
Transcript identifiers
Ensembl transcripts: 11 — 7 protein_coding, 3 retained_intron, 1 nonsense_mediated_decay
ENST00000375804, ENST00000375805, ENST00000375809, ENST00000375810, ENST00000375814, ENST00000460663, ENST00000466312, ENST00000471545, ENST00000480039, ENST00000485548, ENST00000649779
RefSeq mRNA: 6 — MANE Select: NM_138272
NM_025260, NM_138272, NM_138273, NM_138274, NM_138275, NM_138277
CCDS: CCDS34405, CCDS34406, CCDS34407, CCDS4715, CCDS4716, CCDS4717
Canonical transcript exons
ENST00000400071 — 0 exons
Expression profiles
Bgee: expression breadth ubiquitous, 125 present calls, max score 95.75.
FANTOM5 (CAGE): breadth tissue_specific, TPM avg 5.7861 / max 761.6543, expressed in 170 samples.
FANTOM5 promoters (1 alternative TSS)
| Promoter ID | TPM avg | Samples expressed |
|---|---|---|
| 67030 | 5.7861 | 170 |
Top tissues by expression
127 total, by Bgee expression score (0-100, higher = more expressed):
| Tissue | Anatomy ID | Expression score | Quality |
|---|---|---|---|
| monocyte | CL:0000576 | 95.75 | gold quality |
| leukocyte | CL:0000738 | 95.16 | gold quality |
| blood | UBERON:0000178 | 86.12 | gold quality |
| granulocyte | CL:0000094 | 84.55 | gold quality |
| bone marrow cell | CL:0002092 | 81.54 | gold quality |
| skin of leg | UBERON:0001511 | 79.38 | gold quality |
| zone of skin | UBERON:0000014 | 79.01 | gold quality |
| bone marrow | UBERON:0002371 | 78.84 | gold quality |
| skin of abdomen | UBERON:0001416 | 78.62 | gold quality |
| male germ line stem cell (sensu Vertebrata) in testis | CL:0000089 ∩ UBERON:0000473 | 77.11 | gold quality |
| lower esophagus mucosa | UBERON:0035834 | 76.85 | gold quality |
| right lung | UBERON:0002167 | 76.77 | gold quality |
| colonic epithelium | UBERON:0000397 | 76.49 | gold quality |
| spleen | UBERON:0002106 | 70.67 | gold quality |
| primordial germ cell in gonad | CL:0000670 ∩ UBERON:0000991 | 69.11 | gold quality |
| upper lobe of left lung | UBERON:0008952 | 68.87 | gold quality |
| ganglionic eminence | UBERON:0004023 | 67.36 | gold quality |
| lung | UBERON:0002048 | 67.00 | gold quality |
| skeletal muscle tissue | UBERON:0001134 | 66.26 | gold quality |
| esophagus mucosa | UBERON:0002469 | 65.70 | gold quality |
| placenta | UBERON:0001987 | 65.54 | gold quality |
| tonsil | UBERON:0002372 | 65.15 | gold quality |
| muscle tissue | UBERON:0002385 | 64.44 | gold quality |
| sural nerve | UBERON:0015488 | 64.07 | silver quality |
| uterine cervix | UBERON:0000002 | 63.96 | gold quality |
| mucosa of stomach | UBERON:0001199 | 63.89 | gold quality |
| vagina | UBERON:0000996 | 63.82 | gold quality |
| ectocervix | UBERON:0012249 | 63.44 | gold quality |
| apex of heart | UBERON:0002098 | 62.51 | gold quality |
| esophagus | UBERON:0001043 | 61.72 | gold quality |
Single-cell (SCXA)
Detected in 8 experiment(s), a significant marker in 6.
| Experiment | Marker? | Max mean expression |
|---|---|---|
| E-CURD-120 | yes | 126.64 |
| E-MTAB-8911 | yes | 80.54 |
| E-CURD-85 | yes | 32.71 |
| E-CURD-122 | yes | 22.06 |
| E-MTAB-9067 | yes | 10.97 |
| E-MTAB-7303 | no | 10.00 |
| E-CURD-10 | no | 1.15 |
| E-ANND-3 | no | 0.00 |
Regulation
Is transcription factor: no
miRNA regulators (miRDB)
108 targeting MPIG6B, top 30 by miRDB confidence (max_score; target_count = how many genes the miRNA targets in total — lower means more specific):
| miRNA | Max score | Avg score | miRNA target_count |
|---|---|---|---|
| HSA-MIR-6129 | 100.00 | 66.46 | 2080 |
| HSA-MIR-4510 | 100.00 | 66.60 | 2050 |
| HSA-MIR-6127 | 100.00 | 66.76 | 2188 |
| HSA-MIR-6130 | 100.00 | 66.69 | 2012 |
| HSA-MIR-6133 | 100.00 | 66.48 | 2064 |
| HSA-MIR-4692 | 100.00 | 67.32 | 2066 |
| HSA-MIR-3613-3P | 100.00 | 76.36 | 7965 |
| HSA-MIR-6856-5P | 100.00 | 65.47 | 1298 |
| HSA-MIR-6758-5P | 100.00 | 66.21 | 1470 |
| HSA-MIR-12118 | 100.00 | 65.88 | 1270 |
| HSA-MIR-4262 | 100.00 | 73.26 | 3931 |
| HSA-MIR-4514 | 99.99 | 67.10 | 1870 |
| HSA-MIR-10401-5P | 99.99 | 65.79 | 948 |
| HSA-MIR-371B-5P | 99.99 | 75.34 | 4759 |
| HSA-MIR-373-5P | 99.98 | 75.36 | 4753 |
| HSA-MIR-616-5P | 99.98 | 75.58 | 4775 |
| HSA-MIR-5696 | 99.98 | 72.36 | 4487 |
| HSA-MIR-6891-5P | 99.98 | 66.53 | 1372 |
| HSA-MIR-3173-3P | 99.98 | 66.49 | 1217 |
| HSA-MIR-4482-3P | 99.98 | 72.50 | 3147 |
| HSA-MIR-6793-5P | 99.97 | 65.95 | 758 |
| HSA-MIR-3686 | 99.90 | 70.53 | 2432 |
| HSA-MIR-6780A-5P | 99.88 | 66.69 | 2776 |
| HSA-MIR-4779 | 99.86 | 66.50 | 1583 |
| HSA-MIR-3151-5P | 99.86 | 63.83 | 1069 |
| HSA-MIR-4739 | 99.84 | 65.25 | 1832 |
| HSA-MIR-6817-3P | 99.79 | 68.35 | 2126 |
| HSA-MIR-1273H-5P | 99.77 | 66.32 | 2471 |
| HSA-MIR-12130 | 99.75 | 65.47 | 452 |
| HSA-MIR-4428 | 99.73 | 66.41 | 1733 |
Literature-anchored findings (GeneRIF, showing 10)
- Heparin might modulate the interaction of G6b with its as yet unidentified protein ligand (PMID:15848171)
- G6B represents a novel inhibitory receptor found on the surface of platelets (PMID:17311996)
- G6b-B expression is highly restricted to peripheral CD4+ T cells and up-regulated by the IL-4-induced STAT6 pathway, suggesting that G6b-B is involved in regulation of the immune response by CD4+ T cell-mediated and IL-4 induced regulatory mechanisms. (PMID:17678728)
- G6b-B inhibits constitutive and agonist-induced signaling by glycoprotein VI and CLEC-2. (PMID:18955485)
- G6B seems to act through an autosomal recessive mode of disease transmission in this family and regarded as the gene responsible for the observed hematological disorder. (PMID:27743390)
- Autosomal recessive loss-of-function mutations in G6b-B (MPIG6B) cause congenital macrothrombocytopenia with focal myelofibrosis. G6b-B has orthologous physiological functions in human and mice regulating megakaryocyte and platelet production and function. (PMID:29898956)
- Case report of a novel MPIG6B gene mutation in a Chinese boy with pancytopenia and splenomegaly. (PMID:31276734)
- Using platelets from humans and genetically modified mice, we demonstrate that binding of G6b-B to heparan sulfate and multivalent heparin inhibits platelet and megakaryocyte function by inducing downstream signaling via the tyrosine phosphatases Shp1 and Shp2. (PMID:31436532)
- Single-Cell Analyses Reveal Megakaryocyte-Biased Hematopoiesis in Myelofibrosis and Identify Mutant Clone-Specific Targets. (PMID:32386542)
- Detrimental variants in MPIG6B in two children with myelofibrosis: Does immune dysregulation contribute to myelofibrosis? (PMID:33871931)
Cross-species orthologs
2 orthologs
| Organism | Symbol | Gene ID |
|---|---|---|
| mus_musculus | Mpig6b | ENSMUSG00000073414 |
| rattus_norvegicus | Mpig6b | ENSRNOG00000026936 |
Protein
Protein identifiers
Megakaryocyte and platelet inhibitory receptor G6b — O95866 (reviewed: O95866)
Alternative names: Protein G6b
All UniProt accessions (4): O95866, B0V023, B7ZLJ5, F8WDG3
UniProt curated annotations — full annotation on UniProt →
Function. Inhibitory receptor that acts as a critical regulator of hematopoietic lineage differentiation, megakaryocyte function and platelet production. Inhibits platelet aggregation and activation by agonists such as ADP and collagen-related peptide. This regulation of megakaryocate function as well as platelet production ann activation is done through the inhibition (via the 2 ITIM motifs) of the receptors CLEC1B and GP6:FcRgamma signaling. Appears to operate in a calcium-independent manner. Isoform B, displayed in this entry, is the only isoform to contain both a transmembrane region and 2 immunoreceptor tyrosine-based inhibitor motifs (ITIMs) and, thus, the only one which probably has a role of inhibitory receptor. Isoform A may be the activating counterpart of isoform B.
Subunit / interactions. Interacts (via ITIM motif) with PTPN6 and PTPN11. Binds to heparin.
Subcellular location. Endoplasmic reticulum. Golgi apparatus Endoplasmic reticulum. Golgi apparatus Cell membrane Cell membrane.
Tissue specificity. Expressed in platelets. Expressed in a restricted set of hematopoietic cell lines including the erythroleukemia cell line K-562 and the T-cell leukemia cell lines MOLT-4 and Jurkat. Not detected in the monocyte-like cell line U-937, the B-cell-like cell line Raji, the fibroblast cell lines TK and HeLa, or the natural killer cell lines NKL, NK 62 and YT.
Post-translational modifications. All isoforms are N-glycosylated. Isoform E is O-glycosylated. Phosphorylated.
Disease relevance. Thrombocytopenia, anemia, and myelofibrosis (THAMY) [MIM:617441] An autosomal recessive disorder characterized by thrombocytopenia, increased number of giant platelets, and anemia manifesting in early childhood. Bone marrow biopsy shows increased number of megakaryocytes and reticular fibrosis consistent with myelofibrosis. The disease is caused by variants affecting the gene represented in this entry.
Domain organisation. Isoform B, displayed in this entry, is the only one of the isoforms to contain both a transmembrane region and 2 copies of a cytoplasmic motif that is referred to as the immunoreceptor tyrosine-based inhibitor motif (ITIM). This motif is involved in modulation of cellular responses. The phosphorylated ITIM motif can bind the SH2 domain of several SH2-containing phosphatases. The 2 ITIM motifs of isoform B are required for the inhibition of CLEC1B and GP6:FCER1G signaling and platelet activation.
Isoforms (7)
| UniProt ID | Names | Canonical? |
|---|---|---|
| O95866-1 | B | yes |
| O95866-2 | A | |
| O95866-3 | C | |
| O95866-4 | D | |
| O95866-5 | E | |
| O95866-6 | F | |
| O95866-7 | G |
RefSeq proteins (6): NP_079536, NP_612116, NP_612117, NP_612118, NP_612119, NP_612121 (=MANE)
Domains & families (InterPro)
| ID | Name | Type |
|---|---|---|
| IPR028070 | G6B | Family |
| IPR048308 | G6B_V-set | Domain |
Pfam: PF15096
UniProt features (30 total): strand 7, splice variant 6, mutagenesis site 4, sequence variant 2, topological domain 2, short sequence motif 2, signal peptide 1, chain 1, sequence conflict 1, turn 1, transmembrane region 1, modified residue 1, glycosylation site 1
Structure
Experimental structures (PDB)
1 structures.
| PDB | Method | Resolution (Å) |
|---|---|---|
| 6R0X | X-RAY DIFFRACTION | 3.13 |
Predicted structure (AlphaFold)
| Model | pLDDT | Fraction very-high |
|---|---|---|
| AF-O95866-F1 | 73.01 | 0.38 |
Antibody-complex structures (SAbDab): 1 — 6R0X
Functional residue map
Curated UniProt residues grouped by drug-discovery relevance — catalytic, ligand-binding, modification, and mutation-validated positions. Source: UniProtKB sequence features.
Post-translational modifications (1): 211
Glycosylation sites (1): 32
Mutagenesis-validated functional residues (4):
| Position | Phenotype |
|---|---|
| 211 | abolishes the inhibitory effect against ligand-induced activation of plcg2 by clec1b and gp6:fcer1g; when associated wit |
| 211 | loss of tyrosine phosphorylation and loss of interaction with ptpn6 and ptpn11. |
| 237 | abolishes the inhibitory effect against ligand-induced activation of plcg2 by clec1b and gp6:fcer1g; when associated wit |
| 237 | reduced level of tyrosine phosphorylation and interaction with ptpn6 and ptpn11. |
Function
Pathways and Gene Ontology
Reactome pathways
1 pathways
| ID | Pathway |
|---|---|
| R-HSA-114604 | GPVI-mediated activation cascade |
MSigDB gene sets: 116 (showing top):
GOBP_MYELOID_CELL_DIFFERENTIATION, GOBP_MYELOID_CELL_HOMEOSTASIS, GOBP_MYELOID_CELL_DEVELOPMENT, REACTOME_PLATELET_ACTIVATION_SIGNALING_AND_AGGREGATION, GOBP_ERYTHROCYTE_HOMEOSTASIS, GOBP_WOUND_HEALING, GOBP_PLATELET_MORPHOGENESIS, GOBP_MEGAKARYOCYTE_DEVELOPMENT, GOMF_GLYCOSAMINOGLYCAN_BINDING, GOBP_MEGAKARYOCYTE_DIFFERENTIATION, GOBP_MULTICELLULAR_ORGANISMAL_LEVEL_HOMEOSTASIS, GOBP_HEMOSTASIS, GOMF_HEPARIN_BINDING, GOBP_INTEGRIN_MEDIATED_SIGNALING_PATHWAY, GOBP_REGULATION_OF_BODY_FLUID_LEVELS
GO Biological Process (7): integrin-mediated signaling pathway (GO:0007229), blood coagulation (GO:0007596), negative regulation of signal transduction (GO:0009968), erythrocyte differentiation (GO:0030218), megakaryocyte differentiation (GO:0030219), platelet formation (GO:0030220), megakaryocyte development (GO:0035855)
GO Molecular Function (2): heparin binding (GO:0008201), protein binding (GO:0005515)
GO Cellular Component (6): nucleoplasm (GO:0005654), endoplasmic reticulum (GO:0005783), Golgi apparatus (GO:0005794), cytosol (GO:0005829), plasma membrane (GO:0005886), membrane (GO:0016020)
Reactome top-level categories
Rollup of top-1 pathways:
| Category | Pathways |
|---|---|
| Platelet activation, signaling and aggregation | 1 |
GO top-level categories
Rollup of top GO terms by namespace:
| Category | Terms |
|---|---|
| myeloid cell differentiation | 3 |
| cellular anatomical structure | 3 |
| cytoplasm | 3 |
| endomembrane system | 2 |
| intracellular membrane-bounded organelle | 2 |
| cell surface receptor signaling pathway | 1 |
| hemostasis | 1 |
| wound healing | 1 |
| coagulation | 1 |
| signal transduction | 1 |
| regulation of signal transduction | 1 |
| negative regulation of cell communication | 1 |
| negative regulation of signaling | 1 |
| negative regulation of response to stimulus | 1 |
| erythrocyte homeostasis | 1 |
| platelet morphogenesis | 1 |
| anatomical structure formation involved in morphogenesis | 1 |
| megakaryocyte differentiation | 1 |
| myeloid cell development | 1 |
| glycosaminoglycan binding | 1 |
| sulfur compound binding | 1 |
| binding | 1 |
| nuclear lumen | 1 |
| membrane | 1 |
| cell periphery | 1 |
Protein interactions and networks
STRING
342 interactions, top by confidence (×1000):
| Protein A | Protein B | Partner UniProt | Score |
|---|---|---|---|
| MPIG6B | PTPN11 | Q06124 | 923 |
| MPIG6B | GP6 | Q9HCN6 | 671 |
| MPIG6B | LY6G6F | Q5SQ64 | 620 |
| MPIG6B | DDAH2 | O95865 | 606 |
| MPIG6B | LY6G6C | O95867 | 581 |
| MPIG6B | LAIR1 | Q6GTX8 | 541 |
| MPIG6B | TREML1 | Q86YW5 | 540 |
| MPIG6B | A0A0B4J1T7 | A0A0B4J1T7 | 527 |
| MPIG6B | CLEC1B | Q9P126 | 506 |
| MPIG6B | LY6G6D | O95868 | 478 |
| MPIG6B | AGER | Q15109 | 460 |
| MPIG6B | IGFBP7 | Q16270 | 434 |
| MPIG6B | PTPRJ | Q12913 | 411 |
| MPIG6B | LY6G5B | Q8NDX9 | 396 |
| MPIG6B | FCER1G | P30273 | 379 |
| MPIG6B | DDR1 | Q08345 | 379 |
IntAct
16 interactions, top by confidence:
| A | B | Type | Score |
|---|---|---|---|
| MPIG6B | BOC | psi-mi:“MI:0915”(physical association) | 0.400 |
| IGFBP7 | MPIG6B | psi-mi:“MI:0915”(physical association) | 0.400 |
| IL1RL1 | MPIG6B | psi-mi:“MI:0915”(physical association) | 0.400 |
| MPIG6B | NRG2 | psi-mi:“MI:0915”(physical association) | 0.400 |
| MPIG6B | OSCAR | psi-mi:“MI:0915”(physical association) | 0.400 |
| AGER | MPIG6B | psi-mi:“MI:0915”(physical association) | 0.400 |
| ROBO1 | MPIG6B | psi-mi:“MI:0915”(physical association) | 0.400 |
| TNFRSF21 | MPIG6B | psi-mi:“MI:0915”(physical association) | 0.400 |
| UNC5A | MPIG6B | psi-mi:“MI:0915”(physical association) | 0.400 |
| MPIG6B | UNC5D | psi-mi:“MI:0915”(physical association) | 0.400 |
| HAPLN1 | MPIG6B | psi-mi:“MI:0915”(physical association) | 0.400 |
| MPIG6B | MXRA5 | psi-mi:“MI:0915”(physical association) | 0.400 |
| ABL2 | MPIG6B | psi-mi:“MI:0914”(association) | 0.350 |
| PTPN6 | MPIG6B | psi-mi:“MI:0914”(association) | 0.350 |
| PTPN11 | MPIG6B | psi-mi:“MI:0914”(association) | 0.350 |
BioGRID (2): PTPN6 (Affinity Capture-Western), PTPN11 (Affinity Capture-Western)
ESM2 similar proteins: A0A140LHF2, A0EQL2, D3YZF7, D7PDD4, O15533, O55237, O70394, O70540, O95866, P04278, P05111, P07994, P08689, P0C6B3, P0DP72, P15196, P17490, P18627, P40238, P55101, P60882, P97497, Q00657, Q08351, Q14393, Q14773, Q16671, Q3SWY4, Q5BK54, Q5NKT8, Q5TJE4, Q61790, Q61826, Q62588, Q6PZD2, Q6UVK1, Q6UWB1, Q7Z7M0, Q7Z7M1, Q86VR7
Diamond homologs: D7PDD4, O95866, Q6MG59
SIGNOR signaling
0 interactions.
Disease & clinical
Clinical variants and AI predictions
ClinVar
43 variants total. Per-class counts are floors (≥ shown; pagination cap):
| Classification | Count (floor) |
|---|---|
| Pathogenic | 4 |
| Likely pathogenic | 5 |
| Uncertain significance | 16 |
| Likely benign | 8 |
| Benign | 3 |
Top pathogenic / likely-pathogenic (9)
| Variant ID | HGVS | Classification |
|---|---|---|
| 1704740 | NM_138272.3(MPIG6B):c.30del (p.Leu11fs) | Pathogenic |
| 3251400 | NM_138272.3(MPIG6B):c.489G>A (p.Trp163Ter) | Pathogenic |
| 417972 | NM_138272.3(MPIG6B):c.324C>A (p.Cys108Ter) | Pathogenic |
| 643352 | NM_138272.3(MPIG6B):c.80del (p.Pro27fs) | Pathogenic |
| 1684426 | NM_138272.3(MPIG6B):c.337G>T (p.Glu113Ter) | Likely pathogenic |
| 1705533 | NM_138272.3(MPIG6B):c.558C>T (p.Thr186=) | Likely pathogenic |
| 2627094 | NM_138272.3(MPIG6B):c.332del (p.Arg111fs) | Likely pathogenic |
| 3065571 | NM_138272.3(MPIG6B):c.346_347del (p.Ser116fs) | Likely pathogenic |
| 993022 | NM_138272.3(MPIG6B):c.149dup (p.Ala52fs) | Likely pathogenic |
SpliceAI
673 predictions. Top by Δscore:
| Variant | Effect | Δscore |
|---|---|---|
| 6:31719310:CCT:C | acceptor_loss | 1.0000 |
| 6:31719306:CTTAC:C | acceptor_gain | 0.9900 |
| 6:31719312:T:A | acceptor_loss | 0.9900 |
| 6:31720200:TCAG:T | acceptor_gain | 0.9900 |
| 6:31720201:CAG:C | acceptor_gain | 0.9900 |
| 6:31720201:CAGC:C | acceptor_gain | 0.9900 |
| 6:31720204:C:CC | acceptor_gain | 0.9900 |
| 6:31719283:C:CT | acceptor_gain | 0.9800 |
| 6:31719307:TTAC:T | acceptor_gain | 0.9800 |
| 6:31720202:A:T | acceptor_gain | 0.9800 |
| 6:31720360:A:C | acceptor_gain | 0.9800 |
| 6:31719285:C:CT | acceptor_gain | 0.9700 |
| 6:31719308:TAC:T | acceptor_gain | 0.9700 |
| 6:31719311:C:CC | acceptor_gain | 0.9700 |
| 6:31719317:G:C | acceptor_gain | 0.9700 |
| 6:31720087:TGTTA:T | donor_loss | 0.9700 |
| 6:31720088:GTTA:G | donor_loss | 0.9700 |
| 6:31720089:TTA:T | donor_loss | 0.9700 |
| 6:31720090:TA:T | donor_loss | 0.9700 |
| 6:31720091:ACC:A | donor_loss | 0.9700 |
| 6:31720092:C:G | donor_loss | 0.9700 |
| 6:31720199:GTCAG:G | acceptor_gain | 0.9700 |
| 6:31720201:CAGCT:C | acceptor_loss | 0.9700 |
| 6:31720204:CTG:C | acceptor_loss | 0.9700 |
| 6:31720205:T:C | acceptor_loss | 0.9700 |
| 6:31720086:ATGTT:A | donor_loss | 0.9600 |
| 6:31720176:T:C | acceptor_gain | 0.9600 |
| 6:31720333:GTCT:G | acceptor_gain | 0.9600 |
| 6:31720702:T:TA | donor_gain | 0.9600 |
| 6:31719278:C:CT | acceptor_gain | 0.9500 |
AlphaMissense
0 scored. Top likely-pathogenic:
dbSNP variants (sampled 300 via entrez): RS1000182864 (6:31725154 C>G), RS1001126146 (6:31722750 G>A), RS1001157311 (6:31723065 C>T), RS1001185679 (6:31720088 G>A), RS1001215235 (6:31719657 C>T), RS1002403152 (6:31725473 G>A,T), RS1002779734 (6:31726022 T>C), RS1002799794 (6:31720944 T>C), RS1002830985 (6:31721229 C>T), RS1003265724 (6:31722061 G>A), RS1004559033 (6:31722240 A>T), RS1004934858 (6:31719283 C>A,T), RS1005171854 (6:31723107 T>C), RS1005265539 (6:31723407 A>G), RS1005690541 (6:31725347 G>C,T)
Disease associations
OMIM: gene MIM:606520 | disease phenotypes: MIM:617441, MIM:601977
GenCC curated gene-disease
| Disease | Classification | Inheritance |
|---|---|---|
| thrombocytopenia, anemia, and myelofibrosis | Definitive | Autosomal recessive |
ClinGen Gene-Disease Validity (1)
Expert-panel classifications — Definitive > Strong > Moderate > Limited > Disputed > Refuted.
| Disease | Classification | Inheritance |
|---|---|---|
| thrombocytopenia, anemia, and myelofibrosis | Definitive | AR |
Mondo (3): thrombocytopenia, anemia, and myelofibrosis (MONDO:0044316), thrombocythemia 2 (MONDO:0011173), thrombocytopenia (MONDO:0002049)
Orphanet (0):
HPO phenotypes
7 total (7 of 7 shown, HPO-id order):
| HPO | Term |
|---|---|
| HP:0000007 | Autosomal recessive inheritance |
| HP:0001744 | Splenomegaly |
| HP:0001873 | Thrombocytopenia |
| HP:0001903 | Anemia |
| HP:0004823 | Anisopoikilocytosis |
| HP:0011463 | Childhood onset |
| HP:0011974 | Myelofibrosis |
GWAS associations
27 associations (top):
| Study | Trait | p-value |
|---|---|---|
| GCST004131_25 | Inflammatory bowel disease | 2.000000e-31 |
| GCST004133_79 | Ulcerative colitis | 5.000000e-65 |
| GCST004521_114 | Autism spectrum disorder or schizophrenia | 3.000000e-17 |
| GCST004521_117 | Autism spectrum disorder or schizophrenia | 3.000000e-15 |
| GCST004521_126 | Autism spectrum disorder or schizophrenia | 2.000000e-10 |
| GCST004521_154 | Autism spectrum disorder or schizophrenia | 3.000000e-08 |
| GCST004521_17 | Autism spectrum disorder or schizophrenia | 2.000000e-12 |
| GCST004521_209 | Autism spectrum disorder or schizophrenia | 5.000000e-16 |
| GCST004521_211 | Autism spectrum disorder or schizophrenia | 5.000000e-15 |
| GCST004521_213 | Autism spectrum disorder or schizophrenia | 5.000000e-13 |
| GCST004521_224 | Autism spectrum disorder or schizophrenia | 5.000000e-10 |
| GCST004521_227 | Autism spectrum disorder or schizophrenia | 4.000000e-12 |
| GCST004521_265 | Autism spectrum disorder or schizophrenia | 7.000000e-14 |
| GCST004521_281 | Autism spectrum disorder or schizophrenia | 5.000000e-09 |
| GCST004521_296 | Autism spectrum disorder or schizophrenia | 6.000000e-18 |
| GCST004521_45 | Autism spectrum disorder or schizophrenia | 2.000000e-16 |
| GCST004521_70 | Autism spectrum disorder or schizophrenia | 8.000000e-20 |
| GCST004521_81 | Autism spectrum disorder or schizophrenia | 1.000000e-14 |
| GCST008916_111 | Asthma | 2.000000e-14 |
| GCST008916_114 | Asthma | 1.000000e-09 |
| GCST008916_30 | Asthma | 1.000000e-09 |
| GCST008917_2 | Asthma (childhood onset) | 4.000000e-07 |
| GCST008921_1 | Asthma and major depressive disorder | 2.000000e-16 |
| GCST009685_17 | Hypertension | 3.000000e-12 |
| GCST010725_43 | Malaria | 5.000000e-07 |
| GCST010725_62 | Malaria | 3.000000e-06 |
| GCST90002395_441 | Mean platelet volume | 6.000000e-27 |
MeSH disease descriptors (1)
| Descriptor | Name | Tree numbers |
|---|---|---|
| D013921 | Thrombocytopenia | C15.378.140.855; C15.378.243.937 |
Drugs & pharmacology
Drug and pharmacology data
Is drug target: no
PharmGKB: 1 entry (VIP=true, CPIC=false)
CTD chemical–gene interactions
14 total (human), top 14 by PubMed support.
| Chemical | Actions (top 5) | PubMed papers |
|---|---|---|
| Silicon Dioxide | increases expression | 2 |
| aristolochic acid I | increases expression | 1 |
| GSK-J4 | decreases expression | 1 |
| bisphenol F | affects cotreatment, increases expression | 1 |
| triphenyl phosphate | affects expression | 1 |
| licochalcone B | increases expression | 1 |
| jinfukang | affects cotreatment, decreases expression | 1 |
| Benzo(a)pyrene | affects methylation | 1 |
| Cisplatin | decreases expression, affects cotreatment | 1 |
| Dexamethasone | affects cotreatment, increases expression | 1 |
| Fluorouracil | affects response to substance | 1 |
| Indomethacin | affects cotreatment, increases expression | 1 |
| Triclosan | increases methylation | 1 |
| 1-Methyl-3-isobutylxanthine | affects cotreatment, increases expression | 1 |
Clinical trials (associated diseases)
240 trials via MONDO — disease-level, not drug-specific.
| Trial | Phase | Status | Title |
|---|---|---|---|
| NCT00039858 | PHASE4 | COMPLETED | Evaluation of Argatroban Injection in Pediatric Patients Requiring Anticoagulant Alternatives to Heparin |
| NCT00239733 | PHASE4 | TERMINATED | Anti-D for Treating Thrombocytopenia in Adults Infected With Hepatitis C Virus With or Without HIV Co-Infection |
| NCT00907478 | PHASE4 | COMPLETED | Study on Bone Marrow Morphology in Adults Receiving Romiplostim for Treatment of Thrombocytopenia Associated With Immune Thrombocytopenia Purpura (ITP) |
| NCT01727401 | PHASE4 | TERMINATED | Thromboprophylaxis of Venous Thromboembolism in Acutely-ill Medical Inpatients With Thrombocytopenia |
| NCT02032134 | PHASE4 | TERMINATED | Protocol for the Infusion of Buffy Coat-derived Cryopreserved Platelets in Patients With Severe Thrombocytopenia |
| NCT02267993 | PHASE4 | COMPLETED | Efficacy and Safety of rhTPO for the Treatment of Thrombocytopenia After Chemotherapy in AML Patients |
| NCT03633019 | PHASE4 | UNKNOWN | High-dose Use of rhTPO in CIT Patients |
| NCT03688191 | PHASE4 | UNKNOWN | Study of Sirolimus in CTD-TP in China |
| NCT04906083 | PHASE4 | UNKNOWN | Avatrombopag in Patients With End-stage Liver Disease and Thrombocytopenia |
| NCT05217719 | PHASE4 | UNKNOWN | Effects of Recombinant Human Thrombopoietin on Platelet Levels in ICU Patients |
| NCT05255003 | PHASE4 | RECRUITING | STrategies for Anticoagulation in Patients With thRombocytopenia and Cancer-associated Thrombosis |
| NCT05382013 | PHASE4 | UNKNOWN | Efficacy and Safety of Avatrombopag for Treating TCP in HBV-ACLF Patients Receiving ALSS Treatment |
| NCT05944458 | PHASE4 | COMPLETED | Efficacy of Intravenous N-Acetylcysteine in Preventing Linezolid-Induced Thrombocytopenia in Critically Ill Patients |
| NCT06562738 | PHASE4 | RECRUITING | Clinical Study on Efficacy and Safety of Hetrombopag in the Preoperative Patients of Thrombocytopenia |
| NCT00037791 | PHASE3 | COMPLETED | Safety and Efficacy of (PN-152,243)/PN-196,444 in the Prevention of Thrombocytopenia |
| NCT00039910 | PHASE3 | COMPLETED | Safety and Efficacy of (PN-152,243)/PN-196,444 in the Prevention of Thrombocytopenia |
| NCT00073580 | PHASE3 | COMPLETED | Angiomax in Patients With HIT/HITTS Type II Undergoing Off-Pump Coronary Artery Bypass Grafting (CABG) (CHOOSE) |
| NCT00102323 | PHASE3 | COMPLETED | AMG 531 Treatment of Thrombocytopenic Subjects With Immune (Idiopathic) Thrombocytopenic Purpura (ITP) Refractory to Splenectomy |
| NCT00102336 | PHASE3 | COMPLETED | AMG 531 Treatment of Thrombocytopenic Subjects With Immune (Idiopathic) Thrombocytopenic Purpura (ITP) Prior to Splenectomy |
| NCT00116688 | PHASE3 | COMPLETED | Open Label Extension Study of Romiplostim (AMG 531) in Thrombocytopenic Patients With Immune (Idiopathic) Thrombocytopenic Purpura (ITP) |
| NCT00128713 | PHASE3 | COMPLETED | Optimal Platelet Dose Strategy for Management of Thrombocytopenia |
| NCT00151866 | PHASE3 | COMPLETED | Efficacy of Transfusions With Platelets Stored in Platelet Additive Solution II Versus Plasma |
| NCT00261924 | PHASE3 | COMPLETED | Efficacy and Safety Study of Platelets Treated for Pathogen Inactivation and Stored for Up to Seven Days |
| NCT00415532 | PHASE3 | COMPLETED | Romiplostim (AMG 531) Versus Medical Standard of Care for Immune (Idiopathic) Thrombocytopenic Purpura |
| NCT00420914 | PHASE3 | TERMINATED | Strategies for Transfusion of Platelets (SToP) |
| NCT00501345 | PHASE3 | TERMINATED | Aspirin in Patients With Myocardial Infarction and Thrombocytopenia |
| NCT00508820 | PHASE3 | COMPLETED | An Open Label Study of Romiplostim in Adult Thrombocytopenic Subjects With ITP |
| NCT00678587 | PHASE3 | TERMINATED | Eltrombopag To Reduce The Need For Platelet Transfusion In Subjects With Chronic Liver Disease And Thrombocytopenia Undergoing Elective Invasive Procedures |
| NCT01438840 | PHASE3 | COMPLETED | Efficacy and Safety of Oral E5501 Plus Standard of Care for the Treatment of Thrombocytopenia in Adults With Chronic Immune Thrombocytopenia (Amendment 02) |
| NCT01444417 | PHASE3 | COMPLETED | Safety and Efficacy Study of Romiplostim to Treat Immune Thrombocytopenia (ITP) in Pediatric Patients |
| NCT01805648 | PHASE3 | UNKNOWN | Efficacy and Safety Study of Maintenance Treatment With rhTPO in Thrombocytopenic Subjects With ITP |
| NCT02244658 | PHASE3 | UNKNOWN | Recombinant Human Thrombopoietin (rhTPO) in Management of Chemotherapy-induced Thrombocytopenia in Acute Myelocytic Leukemia |
| NCT02389621 | PHASE3 | COMPLETED | Safety and Efficacy Study of Lusutrombopag for Thrombocytopenia in Patients With Chronic Liver Disease Undergoing Elective Invasive Procedures |
| NCT02444728 | PHASE3 | TERMINATED | Cyclophosphamide and Hydroxychloroquine for Thrombocytopenia in SLE |
| NCT02487563 | PHASE3 | COMPLETED | Prospective Study of Patients With Thrombocytopenia Following HSCT |
| NCT02578901 | PHASE3 | COMPLETED | American Trial Using Tranexamic Acid in Thrombocytopenia |
| NCT03326843 | PHASE3 | TERMINATED | Avatrombopag for the Treatment of Thrombocytopenia in Adults Scheduled for a Surgical Procedure |
| NCT03515096 | PHASE3 | COMPLETED | Eltrombopag vs. rhTPO to Increase Platelet Level After HSCT |
| NCT05563064 | PHASE3 | UNKNOWN | Effect of Herbal Formulation on Thrombocytes Count |
| NCT07442513 | PHASE3 | RECRUITING | Comparison of Etamsylate Versus Placebo to Prevent Bleeding in HSCT |
Related Atlas pages
- Associated diseases: thrombocytopenia, anemia, and myelofibrosis
- Disease cohort memberships (association, not causation — diseases whose associated-gene cohort lists this gene; a subset are also under Associated diseases): childhood onset asthma, hypertensive disorder, malaria, thrombocythemia 2, thrombocytopenia, thrombocytopenia, anemia, and myelofibrosis