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Atopic asthma after rhinovirus-induced wheezing is associated with DNA methylation change in the SMAD3 gene promoter
<p>Children with rhinovirus-induced severe early wheezing have an increased risk of developing asthma later in life. The exact molecular mechanisms for this association are still mostly unknown. To identify potential changes ...
MYC is not detected in highly proliferating normal spermatogonia but is coupled with CIP2A in testicular cancers
<p>High MYC expression is linked to proliferative activity in most normal
tissues and in cancer. MYC also supports self-renewal and proliferation
of many types of tissue progenitor cells. Cancerous inhibitor of PP2A
(CIP2A) promotes MYC phosphorylation and activity during intestinal
crypt regeneration in vivo and in various cancers. CIP2A also supports male germ cell proliferation in vivo.
However, the role of MYC in normal germ cell proliferation and
spermatogonial progenitor self-renewal is currently unclear. Here, we
demonstrate that male germ cells are CIP2A-positive but lack detectable
levels of MYC protein; whereas MYC is highly expressed in Leydig cells
and peritubular myoid cells contributing thereby to the testicular stem
cell niche. On the other hand, MYC was co-expressed with CIP2A in
testicular cancers. These results demonstrate that CIP2A and MYC are
spatially uncoupled in the regulation of spermatogenesis, but functional
relationship between these two human oncoproteins is established during
testicular cancer transformation. We propose that further analysis of
mechanisms of MYC silencing in spermatogonial progenitors may reveal
novel fundamental information relevant to understanding of MYC
expression in cancer. <br /></p>...
Umbilical cord blood DNA methylation in children who later develop type 1 diabetes
<p><strong>Aims/hypothesis:</strong> Distinct DNA methylation patterns have recently been observed to precede type 1 diabetes in whole blood collected from young children. Our aim was to determine whether perinatal DNA ...
An Infancy-Onset 20-Year Dietary Counselling Intervention and Gut Microbiota Composition in Adulthood
The randomized controlled Special Turku Coronary Risk Factor Intervention Project (STRIP) has completed a 20-year infancy-onset dietary counselling intervention to reduce exposure to atherosclerotic cardiovascular disease ...
Viral infection-related gene upregulation in monocytes in children with signs of β-cell autoimmunity
Objective: The pathogenesis of type 1 diabetes (T1D) is associated with genetic predisposition and immunological changes during presymptomatic disease. Differences in immune cell subset numbers and phenotypes between T1D ...
The impact of probiotic supplementation during pregnancy on DNA methylation of obesity-related genes in mothers and their children
<div><h3>Purpose</h3><p>Dietary
supplementation with probiotics during pregnancy has been suggested to
decrease the risk for obesity in women after delivery and to minimize
excessive weight gain in their children. ...
Associations between deduced first islet specific autoantibody with sex, age at diagnosis and genetic risk factors in young children with type 1 diabetes
<p>Objectives We aimed to further characterize demography and genetic associations of type 1 diabetes "endotypes" defined by the first appearing islet specific autoantibodies. Research Design and Methods We analyzed 3277 ...
Enterovirus-associated changes in blood transcriptomic profiles of children with genetic susceptibility to type 1 diabetes
<div><h4>AIMS/HYPOTHESIS: </h4><p>Enterovirus
infections have been associated with the development of type 1 diabetes
in multiple studies, but little is known about enterovirus-induced
responses in children at risk ...