Regulated migration of hematopoietic stem cells is fundamental for hematopoiesis. The molecular mechanisms underlying stem cell trafficking are poorly defined. Based on a short hairpin RNA library and stromal cell-derived factor-1 (SDF-1) migration screening assay, we identified the histone 3 lysine 27 demethylase UTX (Kdm6a) as a novel regulator for hematopoietic cell migration. Using hematopoietic stem and progenitor cells from our conditional UTX knockout (KO) mice, we were able to confirm the regulatory function of UTX on cell migration. Moreover, adult female conditional UTX KO mice displayed myelodysplasia and splenic erythropoiesis, whereas UTX KO males showed no phenotype. During development, all UTX KO female and a portion of UTX KO male embryos developed a cardiac defect, cranioschisis, and died in utero. Therefore, UTY, the male homolog of UTX, can compensate for UTX in adults and partially during development. Additionally, we found that UTX knockdown in zebrafish significantly impairs SDF-1/CXCR4-dependent migration of primordial germ cells. Our data suggest that UTX is a critical regulator for stem cell migration and hematopoiesis.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1182/blood-2012-08-452003 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Flexible and Robust Piezoelectric Chitosan Films with Enhanced Bioactivity.
Biomacromolecules
January 2025
Department of Material Engineering, Indian Institute of Science, Bangalore 560012, Karnataka, India.
Chitosan (CHT) is a known piezoelectric biomacromolecule; however, its usage is limited due to rapid degradation in an aqueous system. Herein, we prepared CHT film via a solvent casting method and cross-linked in an alkaline solution. Sodium hydroxide facilitated deprotonation, leading to increased intramolecular hydrogen bonding and mechanical properties.
View Article and Find Full Text PDFComparing the malignant properties of parental and a knock-in version of HCT116 cell line expressing the CDK2-mutant of eukaryotic elongation factor 2 (eEF2).
Mol Biol Rep
January 2025
Department of Molecular Biology Vadi Kampüsü, Istanbul Atlas University, Anadolu Cd., No 40, Kağıthane, Istanbul, 34408, Turkey.
Background: Modulation of protein synthesis according to the physiological cues is maintained through tight control of Eukaryotic Elongation Factor 2 (eEF2), whose unique translocase activity is essential for cell viability. Phosphorylation of eEF2 at its Thr56 residue inactivates this function in translation. In our previous study we reported a novel mode of post-translational modification that promotes higher efficiency in T56 phosphorylation.
View Article and Find Full Text PDFDengue virus infection: how platelet-leukocyte crosstalk shapes thrombotic events and inflammation.
Mol Biol Rep
January 2025
Department of Internal Medicine, School of Medicine, Hazrat-e Rasool General Hospital, Iran University of Medical Sciences, Tehran, Iran.
Dengue virus (DENV) poses a considerable threat to public health on a global scale, since about two-thirds of the world's population is currently at risk of contracting this arbovirus. Being transmitted by mosquitoes, this virus is associated with a range of illnesses and a small percentage of infected individuals might suffer from severe vascular leakage. This leakage leads to hypovolemic shock syndrome, generally known as dengue shock syndrome, organ failure, and bleeding complications.
View Article and Find Full Text PDFHost-virus interactions during infection with a wild-type ILTV strain or a glycoprotein G deletion mutant ILTV vaccine strain in an system.
Microbiol Spectr
January 2025
Asia-Pacific Centre for Animal Health, Melbourne Veterinary School, Faculty of Science, The University of Melbourne, Victoria, Australia.
Previous studies have demonstrated the safety and efficacy of a live-attenuated glycoprotein G (gG) deletion mutant vaccine strain of ILTV (∆gG-ILTV). In the current study, transcriptional profiles of chicken tracheal organ cultures (TOCs), 24 h post inoculation with ∆gG-ILTV or the gG-expressing parent wild-type strain, CSW-1 ILTV were explored and compared with the mock-infected TOCs using RNA-seq analysis. Transcriptomes of the vaccine and wild-type ILTV were also compared with each other.
View Article and Find Full Text PDFFormulation of Zinc-Based Nanomaterials using the Eucommia ulmoides Bark Extract and their Wound Healing Potential.
J Vis Exp
December 2024
Department of Cell Biology, School of Life Sciences, Central South University;
The aqueous extract from the bark of Eucommia ulmoides serves as a rich source of bioactive compounds with numerous health benefits. The protocol here aims to explore the preparation of zinc oxide (ZnO) nanoparticles using the Eucommia ulmoides bark-mediated polyisoprene-rich aqueous extract. Meanwhile, the proposed protocol is associated with the preparation of wound healing material by easing the process.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!