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Isolating Mesangiogenic Progenitor Cells (MPCs) from Human Bone Marrow

Isolating Mesangiogenic Progenitor Cells (MPCs) from Human Bone Marrow

Published on: July 15, 2016

An autonomous BMP2 regulatory element in mesenchymal cells.

Boudewijn P T Kruithof¹, David T Fritz, Yijun Liu

¹Department of Cell Biology and Molecular Medicine, University of Medicine and Dentistry (UMDNJ)-New Jersey Medical School (NJMS), Newark, New Jersey 07101-1709, USA.

Journal of Cellular Biochemistry

|January 27, 2011

Summary

An ultra-conserved sequence in the BMP2 gene’s 3’UTR acts as an independent regulatory element. This finding offers a versatile mechanism for controlling BMP2 protein levels across different cell types and conditions.

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Area of Science:

Molecular Biology
Developmental Biology
Genetics

Background:

Bone morphogenetic protein 2 (BMP2) is a crucial morphogen regulating mesenchymal cell differentiation.
The 3' untranslated region (UTR) of Bmp2 mRNA contains sequences that post-transcriptionally control protein synthesis.
Cell- and stage-specific factors interacting with the 3'UTR modulate BMP2 levels.

Purpose of the Study:

To investigate the function of an ultra-conserved sequence within the BMP2 3'UTR.
To determine if this sequence acts as an independent post-transcriptional regulatory element.

Main Methods:

Functional analysis of the ultra-conserved sequence in various cellular contexts.
Testing the sequence's activity independently of promoter, coding region, and other 3'UTR elements.
Validation in primary cells, immortalized cell lines, and transgenic mouse models.

Main Results:

The ultra-conserved sequence functions autonomously as a post-transcriptional regulatory element.
Its activity is independent of the surrounding genetic context (promoter, coding region, other UTR sequences).
Demonstrated functionality across diverse cell types and in vivo.

Conclusions:

The identified ultra-conserved sequence in the BMP2 3'UTR is a potent, context-independent post-transcriptional regulator.
This element provides a novel mechanism for fine-tuning BMP2 protein levels.
Potential applications in modulating protein expression while preserving endogenous regulatory elements.