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Breaking rules: the complex relationship between DNA methylation and X-chromosome inactivation in the human placenta

March, 2025. Biology of Sex Differences 16, Article #18. In this study led by Amy Inkster, we examine DNA methylation in the human placenta on the X chromosome in over 350 placental samples. We found that the placenta has unique DNA methylation patterns on the inactive X chromosome (the second X chromosome in females, which is typically…

Preparing for IFPA

In September 2016 the International Federation of Placenta Assocations (IFPA) meeting was in lovely Portland, Oregon. To prepare for the meeting, the lab (in part) plus collaborator Alex B. hit the mountain trails in Central Oregon. What could be more inspiring than breathing in the mountain air, listening to some folk music in nearby Sisters and enjoying dinners in…

Lab Goes Kayaking! May 2016

Great time kayaking out in False Creek in late Spring 2016! Poured rain and a bit cold at the end, but nothing the pub couldn’t cure after. The event celebrated the graduation of Magda P. (PhD, studying DNAm and Neural Tube Defects)and Olivia de G. (MSc studying DNAm in cord blood cells from preterm and term births…

Busy Winter

The lab has been busy in the fall and winter with a number of new publications: Kirsten Hogg (Postdoc) had a paper published in Mol Cell Endocrinol. on “Hypomethylation of the LEP gene in placenta and elevated maternal leptin concentration in early onset pre-eclampsia.” Increased levels of a hormone called leptin are found in the…

Magda’s paper accepted

Congrats to Magda Price (PhD student) on her paper accepted to Epigenetics: Price EM, Cotton AM, Peñaherrera MS,  McFadden DE, Kobor MS, Robinson WP.  Different measures of “genome-wide” DNA methylation exhibit unique properties in placental and somatic tissues. Magda compared various approaches used in the literature as “genome-wide” methylation, and concluded that “L1, Alu and CpG…