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貨期:
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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Involved in transcriptional regulation. Binds to HOX or PBX proteins to form dimers, or to a DNA-bound dimer of PBX and HOX proteins and thought to have a role in stabilization of the homeoprotein-DNA complex. Isoform 3 is required for the activity of a PDX1:PBX1b:MEIS2b complex in pancreatic acinar cells involved in the transcriptional activation of the ELA1 enhancer; the complex binds to the enhancer B element and cooperates with the transcription factor 1 complex (PTF1) bound to the enhancer A element; MEIS2 is not involved in complex DNA-binding. Probably in complex with PBX1, is involved in transcriptional regulation by KLF4. Isoform 3 and isoform 4 can bind to a EPHA8 promoter sequence containing the DNA motif 5'-CGGTCA-3'; in cooperation with a PBX protein (such as PBX2) is proposed to be involved in the transcriptional activation of EPHA8 in the developing midbrain. May be involved in regulation of myeloid differentiation. Can bind to the DNA sequence 5'-TGACAG-3'in the activator ACT sequence of the D(1A) dopamine receptor (DRD1) promoter and activate DRD1 transcription; isoform 5 cannot activate DRD1 transcription.
基因功能參考文獻:
High expression of MEIS2 impairs repressive DNA binding of AML1-ETO, inducing increased expression of genes such as the druggable proto-oncogene YES1. PMID: 27346355
we have identified a novel nonsense MEIS2 mutation in a female patient with cleft palate, cardiac septal defect, severe ID, developmental delay and feeding difficulty with gastro-esophageal reflux. Our findings strongly suggest neurocristopathy be included in the clinical features associated with MEIS2 alterations. PMID: 27225850
Meis2 as the target of miR-134 in the regulation of cardiomyocyte progenitor cell proliferation. PMID: 26512644
This is the first report showing a de novo small intragenic mutation in MEIS2 and further confirms the important role of this gene in normal development. PMID: 25712757
Our results show that MEIS2 is a gene needed for palate closure. In syndromic cases of cleft palate, MEIS2 should be considered among the candidate genes, for example, in cases without 22q11.2 deletions. PMID: 24678003
FOXM1 is a direct target gene of MEIS2 and is required for MEIS2 to upregulate mitotic genes. PMID: 25210800
Klf4 recruits a complex of Meis and Pbx proteins to DNA, resulting in Meis2 transcriptional activation domain-dependent activation of a subset of Klf4 target genes. PMID: 21746878
The Single Nucleotide Polymorphism in Meis homeobox 2 (MEIS2) mediated the effects of risperidone on hip circumference (q=0.004). PMID: 20195266
Transgenic mice lacking microRNAs miR-9-2 and miR-9-3 exhibit multiple defects of telencephalic structures which may be brought about by dysregulation of Foxg1, Nr2e1, Gsh2, and Meis2 expression. PMID: 21368052
Data demonstrate by in situ hybridization and immunohistochemistry that the two homeobox genes Pax6 and MEIS2 are expressed during early fetal brain development in humans. PMID: 20523026
This work suggests that the transcriptional activity of all members of the Meis/Prep Hth protein family is subject to autoinhibition by their Hth domains, and that the Meis3.2 splice variant encodes a protein that bypasses this autoinhibitory effect. PMID: 20553494
Clinical trial and genome-wide association study of gene-disease association. (HuGE Navigator) PMID: 20195266
Analysis of an Affymetrix data set in the public domain showed high expression of MEIS1 in human endometrium PMID: 18408019
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相關疾病:
Cleft palate, cardiac defects, and mental retardation (CPCMR)
亞細胞定位:
Nucleus. Cytoplasm, perinuclear region.
蛋白家族:
TALE/MEIS homeobox family
組織特異性:
Expressed in various tissues. Expressed at high level in the lymphoid organs of hematopoietic tissues. Also expressed in some regions of the brain, such as the putamen.