[HTML][HTML] Epigenetic rejuvenation of mesenchymal stromal cells derived from induced pluripotent stem cells

J Frobel, H Hemeda, M Lenz, G Abagnale, S Joussen… - Stem cell reports, 2014 - cell.com
Standardization of mesenchymal stromal cells (MSCs) remains a major obstacle in regenerative
medicine. Starting material and culture expansion affect cell preparations and render …

[PDF][PDF] Epigenetic classification of human mesenchymal stromal cells

…, MRP Ferreira, J Franzen, CI Weidner, J Frobel… - Stem cell reports, 2016 - cell.com
Standardization of mesenchymal stromal cells (MSCs) is hampered by the lack of a precise
definition for these cell preparations; for example, there are no molecular markers to discern …

Leukocyte counts based on DNA methylation at individual cytosines

J Frobel, T Božić, M Lenz, P Uciechowski… - Clinical …, 2018 - academic.oup.com
BACKGROUND White blood cell counts are routinely measured with automated hematology
analyzers, by flow cytometry, or by manual counting. Here, we introduce an alternative …

Variants of DNMT3A cause transcript-specific DNA methylation patterns and affect hematopoiesis

T Božić, J Frobel, A Raic, F Ticconi… - Life science …, 2018 - life-science-alliance.org
De novo DNA methyltransferase 3A (DNMT3A) plays pivotal roles in hematopoietic
differentiation. In this study, we followed the hypothesis that alternative splicing of DNMT3A has …

[HTML][HTML] DNA-methylation in C1R is a prognostic biomarker for acute myeloid leukemia

T Božić, Q Lin, J Frobel, S Wilop, M Hoffmann… - Clinical …, 2015 - Springer
Background Epigenetic aberrations play a central role in the pathophysiology of acute
myeloid leukemia (AML). It has been shown that molecular signatures based on DNA-methylation …

[HTML][HTML] Hematopoietic differentiation persists in human iPSCs defective in de novo DNA methylation

O Cypris, J Franzen, J Frobel, P Glück, CC Kuo… - BMC biology, 2022 - Springer
Background DNA methylation is involved in the epigenetic regulation of gene expression
during developmental processes and is primarily established by the DNA methyltransferase 3A …

[HTML][HTML] Tracking of epigenetic changes during hematopoietic differentiation of induced pluripotent stem cells

O Cypris, J Frobel, S Rai, J Franzen, S Sontag… - Clinical …, 2019 - Springer
Background Differentiation of induced pluripotent stem cells (iPSCs) toward hematopoietic
progenitor cells (HPCs) raises high hopes for disease modeling, drug screening, and cellular …

[HTML][HTML] Epigenetic aging of human hematopoietic cells is not accelerated upon transplantation into mice

J Frobel, S Rahmig, J Franzen, C Waskow… - Clinical Epigenetics, 2018 - Springer
Background Transplantation of human hematopoietic stem cells into immunodeficient mice
provides a powerful in vivo model system to gain functional insights into hematopoietic …

[HTML][HTML] DNA-methylation changes in replicative senescence and aging: two sides of the same coin?

W Wagner, E Fernandez-Rebollo, J Frobel - Epigenomics, 2016 - Future Medicine
Editorial Wagner, Fernandez-Rebollo & Frobel based on DNAm at six specific CpG sites
can predict passage numbers and cumulative population doublings of MSCs and fibroblasts …

Epigenetic quality check–how good are your mesenchymal stromal cells?

W Wagner, J Frobel, R Goetzke - Epigenomics, 2016 - Future Medicine
To better standardize MSC preparations, it has been proposed to utilize a well-defined
reference cell material that can be used to track consistency and potency of MSCs [5]. This …