Human Sex Matters: Y-linked lysine demethylase 5D drives accelerated male osteogenic differentiation
Abstract Female sex is increasingly associated to a loss of bone mass during aging and an increased risk for fractures developing nonunion. Hormonal factors and cell-intrinsic mechanisms are suggested to drive these sexual dimorphisms, although underlying molecular mechanisms are still a matter of debate. Here, we observed a decreased capacity of calvarial bone recovery in female rats and a profound sexually dimorphic osteogenic differentiation human adult neural crest-derived stem cells (NCSCs). Next to an elevated expression of pro-osteogenic regulators, global trancriptomics revealed Lysine Demethylase 5D (KDM5D) to be highly upregulated in differentiating male NCSCs. Loss of function by siRNA or pharmacological inhibition of KDM5D significantly reduced the osteogenic differentiation capacity of male NCSCs. In summary, we demonstrate craniofacial osteogenic differentiation to be sexually dimorphic with the expression of KDM5D as a prerequisite for accelerated male osteogenic differentiation, emphasizing the analysis of sex-specific differences as a crucial parameter for treating bone defects..
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Preprint| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
bioRxiv.org - (2022) vom: 25. Mai Zur Gesamtaufnahme - year:2022 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
Merten, Madlen [VerfasserIn] |
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| Links: |
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| doi: |
10.1101/2021.11.10.468047 |
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| PPN (Katalog-ID): |
XBI033006970 |
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| 520 | |a Abstract Female sex is increasingly associated to a loss of bone mass during aging and an increased risk for fractures developing nonunion. Hormonal factors and cell-intrinsic mechanisms are suggested to drive these sexual dimorphisms, although underlying molecular mechanisms are still a matter of debate. Here, we observed a decreased capacity of calvarial bone recovery in female rats and a profound sexually dimorphic osteogenic differentiation human adult neural crest-derived stem cells (NCSCs). Next to an elevated expression of pro-osteogenic regulators, global trancriptomics revealed Lysine Demethylase 5D (KDM5D) to be highly upregulated in differentiating male NCSCs. Loss of function by siRNA or pharmacological inhibition of KDM5D significantly reduced the osteogenic differentiation capacity of male NCSCs. In summary, we demonstrate craniofacial osteogenic differentiation to be sexually dimorphic with the expression of KDM5D as a prerequisite for accelerated male osteogenic differentiation, emphasizing the analysis of sex-specific differences as a crucial parameter for treating bone defects. | ||
| 700 | 1 | |a Greiner, Johannes F.W. |e verfasserin |4 aut | |
| 700 | 1 | |a Niemann, Tarek |e verfasserin |4 aut | |
| 700 | 1 | |a Venhaus, Meike Grosse |e verfasserin |4 aut | |
| 700 | 1 | |a Kronenberg, Daniel |e verfasserin |4 aut | |
| 700 | 1 | |a Stange, Richard |e verfasserin |4 aut | |
| 700 | 1 | |a Wähnert, Dirk |e verfasserin |4 aut | |
| 700 | 1 | |a Kaltschmidt, Christian |e verfasserin |4 aut | |
| 700 | 1 | |a Vordemvenne, Thomas |e verfasserin |4 aut | |
| 700 | 1 | |a Kaltschmidt, Barbara |e verfasserin |4 aut | |
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