Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Hajdu Cheney syndrome (HCS) is characterized by craniofacial developmental abnormalities, acro-osteolysis, and osteoporosis and is associated with gain-of-NOTCH2 function mutations.
|
31371452 |
2019 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Mice harboring Notch2 mutations replicating Hajdu-Cheney syndrome (Notch2<sup>tm1.1ECan</sup>) have osteopenia and exhibit an increase in splenic marginal zone B cells with a decrease in follicular B cells.
|
29545197 |
2018 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
In this study, we identified a novel nonsense mutation in the last exon of the NOTCH2 gene causing Hajdu-Cheney syndrome.
|
29566451 |
2018 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
To understand the role of Notch2 in bone remodeling, we developed a mouse model of HCS by introducing a pathogenic mutation (6272delT) into the murine Notch2 gene.
|
28856714 |
2018 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
A detailed phenotype description together with the results of reanalysis of 14 reports so far published on patients with HJCYS and NOTCH2 mutation showed similar phenotype evolution with age.
|
30329210 |
2018 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Notch2 is a determinant of B-cell allocation in the marginal zone of the spleen and "somatic" mutations analogous to those found in HCS are associated with B-cell lymphomas of the marginal zone, but there are no reports of lymphomas associated with HCS.
|
28941602 |
2018 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
We generated a mouse model reproducing the HCS mutation (Notch2HCS), and heterozygous global mutant mice displayed gain-of-Notch2 function.
|
29037852 |
2018 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Hajdu Cheney Syndrome (HCS) is a rare genetic disorder affecting the skeleton and associated with NOTCH2 mutations that lead to NOTCH2 gain-of-function.
|
29940267 |
2018 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Stabilizing mutations of Notch2 cause Hajdu-Cheney syndrome, which is characterized by early-onset osteoporosis in humans, but the mechanism whereby Notch inhibits bone accretion is not fully understood.
|
30284985 |
2018 |
Hajdu-Cheney Syndrome
|
1.000 |
Biomarker
|
disease |
BEFREE |
These findings highlight the molecular basis of HCS pathogenesis and provide clinical insights into potential targeted therapeutic strategies for skeletal disorders associated with the aberrant FBW7/NOTCH2 pathway as observed in patients with HCS.
|
29149593 |
2017 |
Hajdu-Cheney Syndrome
|
1.000 |
Biomarker
|
disease |
MGD |
Individuals with Hajdu-Cheney syndrome (HCS) present with osteoporosis, and HCS is associated with <i>NOTCH2</i> mutations causing deletions of the proline-, glutamic acid-, serine-, and threonine-rich (PEST) domain that are predicted to enhance NOTCH2 stability and cause gain-of-function.
|
28592489 |
2017 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Here, to determine the individual contributions of osteoclasts and osteoblasts to HCS osteopenia, we created a conditional-by-inversion (<i>Notch2<sup>COIN</sup></i> ) model in which Cre recombination generates a <i>Notch2</i><sup>Δ<i>PEST</i></sup> allele expressing a Notch2 mutant lacking the PEST domain.
|
28592489 |
2017 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Hajdu-Cheney syndrome (HCS), a disease characterized by osteoporosis and fractures, is associated with gain-of-NOTCH2 function mutations.
|
28323963 |
2017 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Hajdu-Cheney syndrome (HJCYS) is a rare, multisystem bone disease caused by heterozygous mutations in the NOTCH2 gene.
|
28938420 |
2017 |
Hajdu-Cheney Syndrome
|
1.000 |
Biomarker
|
disease |
MGD |
We created a mouse model reproducing the Hajdu Cheney syndrome by introducing a 6955C→T mutation in the Notch2 locus leading to a Q2319X change at the amino acid level.
|
26627824 |
2016 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
We report a subject presenting with HCS and her child, both harboring a new heterozygous mutation in Exon 34 of NOTCH2 upstream of the PEST domain.
|
27592446 |
2016 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
In conclusion, HCS is a devastating disease associated with a gain-of-NOTCH2 function resulting in diverse clinical manifestations.
|
27241678 |
2016 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
We created a mouse model reproducing the Hajdu Cheney syndrome by introducing a 6955C→T mutation in the Notch2 locus leading to a Q2319X change at the amino acid level.
|
26627824 |
2016 |
Hajdu-Cheney Syndrome
|
1.000 |
CausalMutation
|
disease |
CLINVAR |
End-Stage Renal Disease in an Infant With Hajdu-Cheney Syndrome.
|
27312922 |
2016 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
The truncated NOTCH3 may cause gain-of-function through decreased clearance of the active intracellular product, resembling NOTCH2 mutations in the clinically related Hajdu-Cheney syndrome and contrasting the NOTCH3 missense mutations causing CADASIL.
|
25394726 |
2015 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
In conclusion, Notch regulates skeletal development and bone remodeling, and gain-of-function mutations of NOTCH2 are associated with HCS.
|
25491639 |
2014 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Severe osteoporosis and mutation in NOTCH2 gene in a woman with Hajdu-Cheney syndrome.
|
23117206 |
2013 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
There may be a relationship between HCS and DM, with development of pancreatic symptoms related to the NOTCH2 gene mutation.
|
24265536 |
2013 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
To elucidate the clinical consequences of NOTCH2 mutations, we present detailed clinical information for seven patients with truncating mutations in exon 34 of NOTCH2, six with HCS and one with SFPKS.
|
23401378 |
2013 |
Hajdu-Cheney Syndrome
|
1.000 |
GeneticVariation
|
disease |
BEFREE |
Recently, heterozygous mutations in NOTCH2 were identified as the cause of HCS.
|
23389697 |
2013 |