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A branching morphog...
A branching morphogenesis program governs embryonic growth of the thyroid gland
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- Liang, Shawn, 1981 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin,Institute of Biomedicine
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- Johansson, Ellen (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin,Institute of Biomedicine
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Barila, G. (författare)
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Altschuler, D. L. (författare)
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- Fagman, Henrik, 1975 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin,Institute of Biomedicine
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- Nilsson, Mikael, 1958 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin,Institute of Biomedicine
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(creator_code:org_t)
- 2017-01-01
- 2018
- Engelska.
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Ingår i: Development. - : The Company of Biologists. - 0950-1991 .- 1477-9129. ; 145:2
- Relaterad länk:
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https://doi.org/10.1...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The developmental program that regulates thyroid progenitor cell proliferation is largely unknown. Here, we show that branching-like morphogenesis is a driving force to attain final size of the embryonic thyroid gland in mice. Sox9, a key factor in branching organ development, distinguishes Nkx2-1(+) cells in the thyroid bud from the progenitors that originally form the thyroid placode in anterior endoderm. As lobes develop the thyroid primordial tissue branches several generations. Sox9 and Fgfr2b are co-expressed distally in the branching epithelium prior to folliculogenesis. The thyroid in Fgf10 null mutants has a normal shape but is severely hypoplastic. Absence of Fgf10 leads to defective branching and disorganized angiofollicular units although Sox9/Fgfr2b expression and the ability of cells to differentiate and form nascent follicles are not impaired. These findings demonstrate a novel mechanism of thyroid development reminiscent of the Fgf10-Sox9 program that characterizes organogenesis in classical branching organs, and provide clues to aid understanding of how the endocrine thyroid gland once evolved from an exocrine ancestor present in the invertebrate endostyle.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
Nyckelord
- Thyroid
- Progenitor
- Fgf10
- Sox9
- Mouse
- Growth
- Differentiation
- epithelial-mesenchymal interactions
- neural crest
- lung morphogenesis
- chick-embryo
- cell differentiation
- progenitor cells
- gene-expression
- essential roles
- stem-cells
- mouse lung
- Developmental Biology
- ates of america
- v110
- pe4456
- ates of america
- v104
- p1865
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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