Detailed Information on Publication Record
2021
Loss of Sprouty Produces a Ciliopathic Skeletal Phenotype in Mice Through Upregulation of Hedgehog Signaling
HRUBÁ, Eva, Michaela KAVKOVÁ, Linda DALECKÁ, Miloš MACHOLÁN, Tomáš ZIKMUND et. al.Basic information
Original name
Loss of Sprouty Produces a Ciliopathic Skeletal Phenotype in Mice Through Upregulation of Hedgehog Signaling
Authors
HRUBÁ, Eva (203 Czech Republic, belonging to the institution), Michaela KAVKOVÁ, Linda DALECKÁ, Miloš MACHOLÁN, Tomáš ZIKMUND, Miroslav VAŘECHA (203 Czech Republic, belonging to the institution), Michaela BOSÁKOVÁ (203 Czech Republic, belonging to the institution), Jozef KAISER, Pavel KREJČÍ (203 Czech Republic, belonging to the institution), Mária HOVOŘÁKOVÁ and Marcela BUCHTOVÁ (203 Czech Republic, guarantor, belonging to the institution)
Edition
Journal of Bone and Mineral Research, American Society for Bone and Mineral Research, 2021, 0884-0431
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
10605 Developmental biology
Country of publisher
United States of America
Confidentiality degree
není předmětem státního či obchodního tajemství
References:
Impact factor
Impact factor: 6.390
RIV identification code
RIV/00216224:14310/21:00119264
Organization unit
Faculty of Science
UT WoS
000697316300001
Keywords in English
BONE QCT/mu CT; ANALYSIS/QUANTITATION OF BONE; GENETIC ANIMAL MODELS; MOLECULAR PATHWAYS - DEVELOPMENT; LIMB PATTERNING; BONE MODELING AND REMODELING; HEDGEHOG; CELL/TISSUE SIGNALING
Tags
International impact, Reviewed
Změněno: 28/2/2022 11:21, Mgr. Marie Šípková, DiS.
Abstract
V originále
The Sprouty family is a highly conserved group of intracellular modulators of receptor tyrosine kinase (RTK)-signaling pathways, which have been recently linked to primary cilia. Disruptions in the structure and function of primary cilia cause inherited disorders called ciliopathies. We aimed to evaluate Sprouty2 and Sprouty4 gene-dependent alterations of ciliary structure and to focus on the determination of its association with Hedgehog signaling defects in chondrocytes. Analysis of the transgenic mice phenotype with Sprouty2 and Sprouty4 deficiency revealed several defects, including improper endochondral bone formation and digit patterning, or craniofacial and dental abnormalities. Moreover, reduced bone thickness and trabecular bone mass, skull deformities, or chondromalike lesions were revealed. All these pathologies might be attributed to ciliopathies. Elongation of the ciliary axonemes in embryonic and postnatal growth plate chondrocytes was observed in Sprouty2(-/-) and Sprouty2(+/-)/Sprouty4(-/-) mutants compared with corre- sponding littermate controls. Also, cilia-dependent Hedgehog signaling was upregulated in Sprouty2/4 mutant animals. Ptch1 and Ihh expression were upregulated in the autopodium and the proximal tibia of Sprouty2(-/-)/Sprouty4(-/-) mutants. Increased levels of the GLI3 repressor (GLI3R) form were detected in Sprouty2/4 mutant primary fibroblast embryonic cell cultures and tissues. These findings demonstrate that mouse lines deficient in Sprouty proteins manifest phenotypic features resembling ciliopathic phenotypes in multiple aspects and may serve as valuable models to study the association between overactivation of RTK and dysfunction of primary cilia during skeletogenesis.
Links
GA21-04178S, research and development project |
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LM2015062, research and development project |
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LQ1601, research and development project |
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