ArticleInternational journal of molecular sciences2022
Transcription Factor Lmx1b Negatively Regulates Osteoblast Differentiation and Bone Formation.
Article in International journal of molecular sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 11 citations in OpenAlex.
- PSVRP: a pig structural variant reference panel for complex trait genomics and precision breeding.BMC genomics · 2025Article
- Integrative multi-omics analysis deciphers the regulatory mechanisms of egg weight traits in chickens.Poultry science · 2025Article
- Targeting casein kinase 2 and ubiquitin-specific protease 7 to modulate RUNX2-mediated osteogenesis in chronic kidney disease.Molecular medicine (Cambridge, Mass.) · 2025Article
- Common and specific gene regulatory programs in zebrafish caudal fin regeneration at single-cell resolution.Genome research · 2025Article
- AMPK Phosphorylates LMX1b to Regulate a Brainstem Neurogenic Network Important for Control of Breathing in Neonatal Mice.International journal of molecular sciences · 2024Article
- The limb dorsoventral axis: Lmx1b's role in development, pathology, evolution, and regeneration.Developmental dynamics : an official publication of the American Association of Anatomists · 2024Review
- Cell signaling and transcriptional regulation of osteoblast lineage commitment, differentiation, bone formation, and homeostasis.Cell discovery · 2024Review
- Bone Development and Regeneration 2.0.International journal of molecular sciences · 2023Article
- LIM Homeobox Transcription Factor 1-β Expression is Upregulated in Patients with Osteolysis after Total Ankle Arthroplasty and Inhibits Receptor Activator of Nuclear Factor-κB Ligand-Induced Osteoclast Differentiation in Vitro.Journal of bone metabolism · 2022Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
The LIM-homeodomain transcription factor Lmx1b plays a key role in body pattern formation during development. Although Lmx1b is essential for the normal development of multiple tissues, its regulatory mechanism in bone cells remains unclear. Here, we demonstrated that Lmx1b negatively regulates bone morphogenic protein 2 (BMP2)-induced osteoblast differentiation. Overexpressed Lmx1b in the osteoblast precursor cells inhibited alkaline phosphatase (ALP) activity and nodule formation, as well as the expression of osteoblast maker genes, including runt-related transcription factor 2 (Runx2), alkaline phosphatase (Alpl), bone sialoprotein (Ibsp), and osteocalcin (Bglap). Conversely, the knockdown of Lmx1b in the osteoblast precursors enhanced the osteoblast differentiation and function. Lmx1b physically interacted with and repressed the transcriptional activity of Runx2 by reducing the recruitment of Runx2 to the promoter region of its target genes. In vivo analysis of BMP2-induced ectopic bone formation revealed that the knockdown of Lmx1b promoted osteogenic differentiation and bone regeneration. Our data demonstrate that Lmx1b negatively regulates osteoblast differentiation and function through regulation of Runx2 and provides a molecular basis for therapeutic targets for bone diseases.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.