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Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis
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| Zeitschriftentitel: | Genes & Development |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Genes & Development, 16, 2002, 11, S. 1433-1440 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Cold Spring Harbor Laboratory
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| Schlagwörter: |
| author_facet |
Yao, Humphrey Hung-Chang Whoriskey, Wendy Capel, Blanche Yao, Humphrey Hung-Chang Whoriskey, Wendy Capel, Blanche |
|---|---|
| author |
Yao, Humphrey Hung-Chang Whoriskey, Wendy Capel, Blanche |
| spellingShingle |
Yao, Humphrey Hung-Chang Whoriskey, Wendy Capel, Blanche Genes & Development Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis Developmental Biology Genetics |
| author_sort |
yao, humphrey hung-chang |
| spelling |
Yao, Humphrey Hung-Chang Whoriskey, Wendy Capel, Blanche 0890-9369 1549-5477 Cold Spring Harbor Laboratory Developmental Biology Genetics http://dx.doi.org/10.1101/gad.981202 <jats:p>Establishment of the steroid-producing Leydig cell lineage is an event downstream of <jats:italic>Sry</jats:italic> that is critical for masculinization of mammalian embryos. Neither the origin of fetal Leydig cell precursors nor the signaling pathway that specifies the Leydig cell lineage is known. Based on the sex-specific expression patterns of <jats:italic>Desert Hedgehog</jats:italic> (<jats:italic>Dhh</jats:italic>) and its receptor <jats:italic>Patched 1</jats:italic>(<jats:italic>Ptch1</jats:italic>) in XY gonads, we investigated the potential role of DHH/PTCH1 signaling in the origin and specification of fetal Leydig cells. Analysis of <jats:italic>Dhh</jats:italic><jats:sup>−/−</jats:sup> XY gonads revealed that differentiation of fetal Leydig cells was severely defective. Defects in Leydig cell differentiation in <jats:italic>Dhh</jats:italic><jats:sup>−/−</jats:sup> XY gonads did not result from failure of cell migration from the mesonephros, thought to be a possible source of Leydig cell precursors. Nor did DHH/PTCH1 signaling appear to be involved in the proliferation or survival of fetal Leydig precursors in the interstitium of the XY gonad. Instead, our results suggest that DHH/PTCH1 signaling triggers Leydig cell differentiation by up-regulating <jats:italic>Steroidogenic Factor 1</jats:italic> and <jats:italic>P450 Side Chain Cleavage</jats:italic> enzyme expression in<jats:italic>Ptch1</jats:italic>-expressing precursor cells located outside testis cords.</jats:p> Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis Genes & Development |
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10.1101/gad.981202 |
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Cold Spring Harbor Laboratory, 2002 |
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Cold Spring Harbor Laboratory, 2002 |
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0890-9369 1549-5477 |
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| title |
Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis |
| title_unstemmed |
Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis |
| title_full |
Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis |
| title_fullStr |
Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis |
| title_full_unstemmed |
Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis |
| title_short |
Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis |
| title_sort |
desert hedgehog/patched 1 signaling specifies fetal leydig cell fate in testis organogenesis |
| topic |
Developmental Biology Genetics |
| url |
http://dx.doi.org/10.1101/gad.981202 |
| publishDate |
2002 |
| physical |
1433-1440 |
| description |
<jats:p>Establishment of the steroid-producing Leydig cell lineage is an event downstream of <jats:italic>Sry</jats:italic> that is critical for masculinization of mammalian embryos. Neither the origin of fetal Leydig cell precursors nor the signaling pathway that specifies the Leydig cell lineage is known. Based on the sex-specific expression patterns of <jats:italic>Desert Hedgehog</jats:italic> (<jats:italic>Dhh</jats:italic>) and its receptor <jats:italic>Patched 1</jats:italic>(<jats:italic>Ptch1</jats:italic>) in XY gonads, we investigated the potential role of DHH/PTCH1 signaling in the origin and specification of fetal Leydig cells. Analysis of <jats:italic>Dhh</jats:italic><jats:sup>−/−</jats:sup> XY gonads revealed that differentiation of fetal Leydig cells was severely defective. Defects in Leydig cell differentiation in <jats:italic>Dhh</jats:italic><jats:sup>−/−</jats:sup> XY gonads did not result from failure of cell migration from the mesonephros, thought to be a possible source of Leydig cell precursors. Nor did DHH/PTCH1 signaling appear to be involved in the proliferation or survival of fetal Leydig precursors in the interstitium of the XY gonad. Instead, our results suggest that DHH/PTCH1 signaling triggers Leydig cell differentiation by up-regulating <jats:italic>Steroidogenic Factor 1</jats:italic> and <jats:italic>P450 Side Chain Cleavage</jats:italic> enzyme expression in<jats:italic>Ptch1</jats:italic>-expressing precursor cells located outside testis cords.</jats:p> |
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| author | Yao, Humphrey Hung-Chang, Whoriskey, Wendy, Capel, Blanche |
| author_facet | Yao, Humphrey Hung-Chang, Whoriskey, Wendy, Capel, Blanche, Yao, Humphrey Hung-Chang, Whoriskey, Wendy, Capel, Blanche |
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| description | <jats:p>Establishment of the steroid-producing Leydig cell lineage is an event downstream of <jats:italic>Sry</jats:italic> that is critical for masculinization of mammalian embryos. Neither the origin of fetal Leydig cell precursors nor the signaling pathway that specifies the Leydig cell lineage is known. Based on the sex-specific expression patterns of <jats:italic>Desert Hedgehog</jats:italic> (<jats:italic>Dhh</jats:italic>) and its receptor <jats:italic>Patched 1</jats:italic>(<jats:italic>Ptch1</jats:italic>) in XY gonads, we investigated the potential role of DHH/PTCH1 signaling in the origin and specification of fetal Leydig cells. Analysis of <jats:italic>Dhh</jats:italic><jats:sup>−/−</jats:sup> XY gonads revealed that differentiation of fetal Leydig cells was severely defective. Defects in Leydig cell differentiation in <jats:italic>Dhh</jats:italic><jats:sup>−/−</jats:sup> XY gonads did not result from failure of cell migration from the mesonephros, thought to be a possible source of Leydig cell precursors. Nor did DHH/PTCH1 signaling appear to be involved in the proliferation or survival of fetal Leydig precursors in the interstitium of the XY gonad. Instead, our results suggest that DHH/PTCH1 signaling triggers Leydig cell differentiation by up-regulating <jats:italic>Steroidogenic Factor 1</jats:italic> and <jats:italic>P450 Side Chain Cleavage</jats:italic> enzyme expression in<jats:italic>Ptch1</jats:italic>-expressing precursor cells located outside testis cords.</jats:p> |
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| imprint | Cold Spring Harbor Laboratory, 2002 |
| imprint_str_mv | Cold Spring Harbor Laboratory, 2002 |
| institution | DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1 |
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| spelling | Yao, Humphrey Hung-Chang Whoriskey, Wendy Capel, Blanche 0890-9369 1549-5477 Cold Spring Harbor Laboratory Developmental Biology Genetics http://dx.doi.org/10.1101/gad.981202 <jats:p>Establishment of the steroid-producing Leydig cell lineage is an event downstream of <jats:italic>Sry</jats:italic> that is critical for masculinization of mammalian embryos. Neither the origin of fetal Leydig cell precursors nor the signaling pathway that specifies the Leydig cell lineage is known. Based on the sex-specific expression patterns of <jats:italic>Desert Hedgehog</jats:italic> (<jats:italic>Dhh</jats:italic>) and its receptor <jats:italic>Patched 1</jats:italic>(<jats:italic>Ptch1</jats:italic>) in XY gonads, we investigated the potential role of DHH/PTCH1 signaling in the origin and specification of fetal Leydig cells. Analysis of <jats:italic>Dhh</jats:italic><jats:sup>−/−</jats:sup> XY gonads revealed that differentiation of fetal Leydig cells was severely defective. Defects in Leydig cell differentiation in <jats:italic>Dhh</jats:italic><jats:sup>−/−</jats:sup> XY gonads did not result from failure of cell migration from the mesonephros, thought to be a possible source of Leydig cell precursors. Nor did DHH/PTCH1 signaling appear to be involved in the proliferation or survival of fetal Leydig precursors in the interstitium of the XY gonad. Instead, our results suggest that DHH/PTCH1 signaling triggers Leydig cell differentiation by up-regulating <jats:italic>Steroidogenic Factor 1</jats:italic> and <jats:italic>P450 Side Chain Cleavage</jats:italic> enzyme expression in<jats:italic>Ptch1</jats:italic>-expressing precursor cells located outside testis cords.</jats:p> Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis Genes & Development |
| spellingShingle | Yao, Humphrey Hung-Chang, Whoriskey, Wendy, Capel, Blanche, Genes & Development, Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis, Developmental Biology, Genetics |
| title | Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis |
| title_full | Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis |
| title_fullStr | Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis |
| title_full_unstemmed | Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis |
| title_short | Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis |
| title_sort | desert hedgehog/patched 1 signaling specifies fetal leydig cell fate in testis organogenesis |
| title_unstemmed | Desert Hedgehog/Patched 1 signaling specifies fetal Leydig cell fate in testis organogenesis |
| topic | Developmental Biology, Genetics |
| url | http://dx.doi.org/10.1101/gad.981202 |