ArticleInternational journal of obesity (2005)2019
Adipose tissue loss and lipodystrophy in xylosyltransferase II deficient mice.
Article in International journal of obesity (2005), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 18 citations in OpenAlex.
- Xylosyltransferase-II deficiency rewires innate immune signaling and destabilizes polarization in human macrophages.Frontiers in immunology · 2026Article
- Article
- mRNA Degradation as a Therapeutic Solution for Mucopolysaccharidosis Type IIIC: Use of Antisense Oligonucleotides to Promote Downregulation of Heparan Sulfate Synthesis.International journal of molecular sciences · 2025Article
- Construction of a glycosylation-related prognostic signature for predicting prognosis, tumor microenvironment, and immune response in soft tissue sarcoma.Frontiers in oncology · 2025Article
- Genetic variability in proteoglycan biosynthetic genes reveals new facets of heparan sulfate diversity.Essays in biochemistry · 2024Review
- The effects of WWP1 overexpression on the golgi apparatus stress response and proteoglycan production in adipocytes.Scientific reports · 2024Article
- Xylosyltransferase-Deficiency in Human Dermal Fibroblasts Induces Compensatory Myofibroblast Differentiation and Long-Term ECM Reduction.Biomedicines · 2024Article
- Parental obesity-induced changes in developmental programming.Frontiers in cell and developmental biology · 2022Review
- Enlarged adipocytes from subcutaneous vs. visceral adipose tissue differentially contribute to metabolic dysfunction and atherogenic risk of patients with obesity.Scientific reports · 2021Article
- An Overview ofFrontiers in cell and developmental biology · 2021Review
- Chondrodysplasias With Multiple Dislocations Caused by Defects in Glycosaminoglycan Synthesis.Frontiers in genetics · 2021Review
- Xylosyltransferase 2 deficiency and organ homeostasis.Glycoconjugate journal · 2020Article
- Proteoglycans in Obesity-Associated Metabolic Dysfunction and Meta-Inflammation.Frontiers in immunology · 2020Review
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
BACKGROUND/
objectivesThe cellular and extracellular matrix (ECM) interactions that regulate adipose tissue homeostasis are incompletely understood. Proteoglycans (PGs) and their sulfated glycosaminoglycans (GAGs) provide spatial and temporal signals for ECM organization and interactions with resident cells by impacting growth factor and cytokine activity. Therefore, PGs and their GAGs could be significant to adipose tissue homeostasis. The purpose of this study was to determine the role of ECM sulfated GAGs in adipose tissue homeostasis.
methodsAdipose tissue and metabolic homeostasis in mice deficient in xylosyltransferase 2 (Xylt2-/-) were examined by histologic analyses, gene expression analyses, whole body fat composition measurements, and glucose tolerance test. Adipose tissue inflammation and adipocyte precursors were characterized by flow cytometry and in vitro culture of mesenchymal stem cells.
resultsXylt2-/- mice have low body weight due to overall reductions in abdominal fat deposition. Histologically, the adipocytes are reduced in size and number in both gonadal and mesenteric fat depots of Xylt2-/- mice. In addition, these mice are glucose intolerant, insulin resistant, and have increased serum triglycerides as compared to Xylt2 + / + control mice. Furthermore, the adipose tissue niche has increased inflammatory cells and enrichment of proinflammatory factors IL6 and IL1β, and these mice also have a loss of adipose tissue vascular endothelial cells. Lastly, xylosyltransferease-2 (XylT2) deficient mesenchymal stem cells from gonadal adipose tissue and bone marrow exhibit impaired adipogenic differentiation in vitro.
conclusionsDecreased GAGs due to the loss of the key GAG assembly enzyme XylT2 causes reduced steady state adipose tissue stores leading to a unique lipodystrophic model. Accumulation of an adipocytic precursor pool of cells is discovered indicating an interruption in differentiation. Therefore, adipose tissue GAGs are important in the homeostasis of adipose tissue by mediating control of adipose precursor development, tissue inflammation, and vascular development.
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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.