Expression and Organization of Basement Membranes and Focal Adhesion Proteins in Pregnant Myometrium is Regulated by Uterine Stretch
Abstract The mechanisms underlying the preparation of the uterus for labor are not fully understood. We have previously found a significant increase in the expression of messenger RNA (mRNAs) encoding extracellular basement membrane (BM) proteins of the smooth muscle cells (SMCs) in late pregnant ra...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Shynlova, Oksana [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2009 |
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| Anmerkung: |
© Society for Reproductive Investigation 2009 |
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| Übergeordnetes Werk: |
Enthalten in: Reproductive sciences - Cham : Springer Nature Switzerland AG, 2007, 16(2009), 10 vom: Okt., Seite 960-969 |
|---|---|
| Übergeordnetes Werk: |
volume:16 ; year:2009 ; number:10 ; month:10 ; pages:960-969 |
| Links: |
|---|
| DOI / URN: |
10.1177/1933719109338220 |
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| Katalog-ID: |
SPR038833549 |
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| 100 | 1 | |a Shynlova, Oksana |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Expression and Organization of Basement Membranes and Focal Adhesion Proteins in Pregnant Myometrium is Regulated by Uterine Stretch |
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| 520 | |a Abstract The mechanisms underlying the preparation of the uterus for labor are not fully understood. We have previously found a significant increase in the expression of messenger RNA (mRNAs) encoding extracellular basement membrane (BM) proteins of the smooth muscle cells (SMCs) in late pregnant rat myometrium. At term, the myometrium is stretched by growing fetuses and these mechanical signals are transmitted from extracellular matrix into SMCs through focal adhesions (FA). The aim of this study was to investigate the effect of gravidity on the expression and spatiotemporal distribution of major BM proteins, laminin-γ2 and collagen IV, as well as typical FA constituents, vinculin and paxillin, in the myometrium during gestation and parturition, using a unilaterally pregnant rat model. We found that the expression of laminin-γ2 and collagen IV proteins increased significantly with gestational age (P < .05) and was dependent on gravidity whereas vinculin and paxillin proteins were not affected. Near term, BM proteins from gravid horn myometrium demonstrated increased extracellular immunostaining and major rearrangement from sporadic protein distribution to organized, continuous, and regular structures surrounding the plasma membrane of each myocyte. Examination of FA proteins revealed that paxillin was translocated from the cytoplasm to the cell periphery, while vinculin was sequestered specifically to FAs. At labor, BM and FA proteins, organized in similar bead-like structures, were localized on opposing sides of SMC plasma membrane into 2 different compartments. We suggest that these stretch-induced changes facilitate formation of stable cell-matrix adhesions and provide the molecular basis for optimal force transduction during labor contractions. | ||
| 700 | 1 | |a Chow, Michelle |4 aut | |
| 700 | 1 | |a Lye, Stephen J. |4 aut | |
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10.1177/1933719109338220 doi (DE-627)SPR038833549 (SPR)1933719109338220-e DE-627 ger DE-627 rakwb eng Shynlova, Oksana verfasserin aut Expression and Organization of Basement Membranes and Focal Adhesion Proteins in Pregnant Myometrium is Regulated by Uterine Stretch 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Society for Reproductive Investigation 2009 Abstract The mechanisms underlying the preparation of the uterus for labor are not fully understood. We have previously found a significant increase in the expression of messenger RNA (mRNAs) encoding extracellular basement membrane (BM) proteins of the smooth muscle cells (SMCs) in late pregnant rat myometrium. At term, the myometrium is stretched by growing fetuses and these mechanical signals are transmitted from extracellular matrix into SMCs through focal adhesions (FA). The aim of this study was to investigate the effect of gravidity on the expression and spatiotemporal distribution of major BM proteins, laminin-γ2 and collagen IV, as well as typical FA constituents, vinculin and paxillin, in the myometrium during gestation and parturition, using a unilaterally pregnant rat model. We found that the expression of laminin-γ2 and collagen IV proteins increased significantly with gestational age (P < .05) and was dependent on gravidity whereas vinculin and paxillin proteins were not affected. Near term, BM proteins from gravid horn myometrium demonstrated increased extracellular immunostaining and major rearrangement from sporadic protein distribution to organized, continuous, and regular structures surrounding the plasma membrane of each myocyte. Examination of FA proteins revealed that paxillin was translocated from the cytoplasm to the cell periphery, while vinculin was sequestered specifically to FAs. At labor, BM and FA proteins, organized in similar bead-like structures, were localized on opposing sides of SMC plasma membrane into 2 different compartments. We suggest that these stretch-induced changes facilitate formation of stable cell-matrix adhesions and provide the molecular basis for optimal force transduction during labor contractions. Chow, Michelle aut Lye, Stephen J. aut Enthalten in Reproductive sciences Cham : Springer Nature Switzerland AG, 2007 16(2009), 10 vom: Okt., Seite 960-969 (DE-627)523194854 (DE-600)2266096-3 1933-7205 nnns volume:16 year:2009 number:10 month:10 pages:960-969 https://dx.doi.org/10.1177/1933719109338220 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2125 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2145 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2704 GBV_ILN_2707 GBV_ILN_2889 GBV_ILN_2890 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 16 2009 10 10 960-969 |
| spelling |
10.1177/1933719109338220 doi (DE-627)SPR038833549 (SPR)1933719109338220-e DE-627 ger DE-627 rakwb eng Shynlova, Oksana verfasserin aut Expression and Organization of Basement Membranes and Focal Adhesion Proteins in Pregnant Myometrium is Regulated by Uterine Stretch 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Society for Reproductive Investigation 2009 Abstract The mechanisms underlying the preparation of the uterus for labor are not fully understood. We have previously found a significant increase in the expression of messenger RNA (mRNAs) encoding extracellular basement membrane (BM) proteins of the smooth muscle cells (SMCs) in late pregnant rat myometrium. At term, the myometrium is stretched by growing fetuses and these mechanical signals are transmitted from extracellular matrix into SMCs through focal adhesions (FA). The aim of this study was to investigate the effect of gravidity on the expression and spatiotemporal distribution of major BM proteins, laminin-γ2 and collagen IV, as well as typical FA constituents, vinculin and paxillin, in the myometrium during gestation and parturition, using a unilaterally pregnant rat model. We found that the expression of laminin-γ2 and collagen IV proteins increased significantly with gestational age (P < .05) and was dependent on gravidity whereas vinculin and paxillin proteins were not affected. Near term, BM proteins from gravid horn myometrium demonstrated increased extracellular immunostaining and major rearrangement from sporadic protein distribution to organized, continuous, and regular structures surrounding the plasma membrane of each myocyte. Examination of FA proteins revealed that paxillin was translocated from the cytoplasm to the cell periphery, while vinculin was sequestered specifically to FAs. At labor, BM and FA proteins, organized in similar bead-like structures, were localized on opposing sides of SMC plasma membrane into 2 different compartments. We suggest that these stretch-induced changes facilitate formation of stable cell-matrix adhesions and provide the molecular basis for optimal force transduction during labor contractions. Chow, Michelle aut Lye, Stephen J. aut Enthalten in Reproductive sciences Cham : Springer Nature Switzerland AG, 2007 16(2009), 10 vom: Okt., Seite 960-969 (DE-627)523194854 (DE-600)2266096-3 1933-7205 nnns volume:16 year:2009 number:10 month:10 pages:960-969 https://dx.doi.org/10.1177/1933719109338220 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2125 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2145 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2704 GBV_ILN_2707 GBV_ILN_2889 GBV_ILN_2890 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 16 2009 10 10 960-969 |
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10.1177/1933719109338220 doi (DE-627)SPR038833549 (SPR)1933719109338220-e DE-627 ger DE-627 rakwb eng Shynlova, Oksana verfasserin aut Expression and Organization of Basement Membranes and Focal Adhesion Proteins in Pregnant Myometrium is Regulated by Uterine Stretch 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Society for Reproductive Investigation 2009 Abstract The mechanisms underlying the preparation of the uterus for labor are not fully understood. We have previously found a significant increase in the expression of messenger RNA (mRNAs) encoding extracellular basement membrane (BM) proteins of the smooth muscle cells (SMCs) in late pregnant rat myometrium. At term, the myometrium is stretched by growing fetuses and these mechanical signals are transmitted from extracellular matrix into SMCs through focal adhesions (FA). The aim of this study was to investigate the effect of gravidity on the expression and spatiotemporal distribution of major BM proteins, laminin-γ2 and collagen IV, as well as typical FA constituents, vinculin and paxillin, in the myometrium during gestation and parturition, using a unilaterally pregnant rat model. We found that the expression of laminin-γ2 and collagen IV proteins increased significantly with gestational age (P < .05) and was dependent on gravidity whereas vinculin and paxillin proteins were not affected. Near term, BM proteins from gravid horn myometrium demonstrated increased extracellular immunostaining and major rearrangement from sporadic protein distribution to organized, continuous, and regular structures surrounding the plasma membrane of each myocyte. Examination of FA proteins revealed that paxillin was translocated from the cytoplasm to the cell periphery, while vinculin was sequestered specifically to FAs. At labor, BM and FA proteins, organized in similar bead-like structures, were localized on opposing sides of SMC plasma membrane into 2 different compartments. We suggest that these stretch-induced changes facilitate formation of stable cell-matrix adhesions and provide the molecular basis for optimal force transduction during labor contractions. Chow, Michelle aut Lye, Stephen J. aut Enthalten in Reproductive sciences Cham : Springer Nature Switzerland AG, 2007 16(2009), 10 vom: Okt., Seite 960-969 (DE-627)523194854 (DE-600)2266096-3 1933-7205 nnns volume:16 year:2009 number:10 month:10 pages:960-969 https://dx.doi.org/10.1177/1933719109338220 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2125 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2145 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2704 GBV_ILN_2707 GBV_ILN_2889 GBV_ILN_2890 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 16 2009 10 10 960-969 |
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10.1177/1933719109338220 doi (DE-627)SPR038833549 (SPR)1933719109338220-e DE-627 ger DE-627 rakwb eng Shynlova, Oksana verfasserin aut Expression and Organization of Basement Membranes and Focal Adhesion Proteins in Pregnant Myometrium is Regulated by Uterine Stretch 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Society for Reproductive Investigation 2009 Abstract The mechanisms underlying the preparation of the uterus for labor are not fully understood. We have previously found a significant increase in the expression of messenger RNA (mRNAs) encoding extracellular basement membrane (BM) proteins of the smooth muscle cells (SMCs) in late pregnant rat myometrium. At term, the myometrium is stretched by growing fetuses and these mechanical signals are transmitted from extracellular matrix into SMCs through focal adhesions (FA). The aim of this study was to investigate the effect of gravidity on the expression and spatiotemporal distribution of major BM proteins, laminin-γ2 and collagen IV, as well as typical FA constituents, vinculin and paxillin, in the myometrium during gestation and parturition, using a unilaterally pregnant rat model. We found that the expression of laminin-γ2 and collagen IV proteins increased significantly with gestational age (P < .05) and was dependent on gravidity whereas vinculin and paxillin proteins were not affected. Near term, BM proteins from gravid horn myometrium demonstrated increased extracellular immunostaining and major rearrangement from sporadic protein distribution to organized, continuous, and regular structures surrounding the plasma membrane of each myocyte. Examination of FA proteins revealed that paxillin was translocated from the cytoplasm to the cell periphery, while vinculin was sequestered specifically to FAs. At labor, BM and FA proteins, organized in similar bead-like structures, were localized on opposing sides of SMC plasma membrane into 2 different compartments. We suggest that these stretch-induced changes facilitate formation of stable cell-matrix adhesions and provide the molecular basis for optimal force transduction during labor contractions. Chow, Michelle aut Lye, Stephen J. aut Enthalten in Reproductive sciences Cham : Springer Nature Switzerland AG, 2007 16(2009), 10 vom: Okt., Seite 960-969 (DE-627)523194854 (DE-600)2266096-3 1933-7205 nnns volume:16 year:2009 number:10 month:10 pages:960-969 https://dx.doi.org/10.1177/1933719109338220 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2125 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2145 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2704 GBV_ILN_2707 GBV_ILN_2889 GBV_ILN_2890 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 16 2009 10 10 960-969 |
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10.1177/1933719109338220 doi (DE-627)SPR038833549 (SPR)1933719109338220-e DE-627 ger DE-627 rakwb eng Shynlova, Oksana verfasserin aut Expression and Organization of Basement Membranes and Focal Adhesion Proteins in Pregnant Myometrium is Regulated by Uterine Stretch 2009 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Society for Reproductive Investigation 2009 Abstract The mechanisms underlying the preparation of the uterus for labor are not fully understood. We have previously found a significant increase in the expression of messenger RNA (mRNAs) encoding extracellular basement membrane (BM) proteins of the smooth muscle cells (SMCs) in late pregnant rat myometrium. At term, the myometrium is stretched by growing fetuses and these mechanical signals are transmitted from extracellular matrix into SMCs through focal adhesions (FA). The aim of this study was to investigate the effect of gravidity on the expression and spatiotemporal distribution of major BM proteins, laminin-γ2 and collagen IV, as well as typical FA constituents, vinculin and paxillin, in the myometrium during gestation and parturition, using a unilaterally pregnant rat model. We found that the expression of laminin-γ2 and collagen IV proteins increased significantly with gestational age (P < .05) and was dependent on gravidity whereas vinculin and paxillin proteins were not affected. Near term, BM proteins from gravid horn myometrium demonstrated increased extracellular immunostaining and major rearrangement from sporadic protein distribution to organized, continuous, and regular structures surrounding the plasma membrane of each myocyte. Examination of FA proteins revealed that paxillin was translocated from the cytoplasm to the cell periphery, while vinculin was sequestered specifically to FAs. At labor, BM and FA proteins, organized in similar bead-like structures, were localized on opposing sides of SMC plasma membrane into 2 different compartments. We suggest that these stretch-induced changes facilitate formation of stable cell-matrix adhesions and provide the molecular basis for optimal force transduction during labor contractions. Chow, Michelle aut Lye, Stephen J. aut Enthalten in Reproductive sciences Cham : Springer Nature Switzerland AG, 2007 16(2009), 10 vom: Okt., Seite 960-969 (DE-627)523194854 (DE-600)2266096-3 1933-7205 nnns volume:16 year:2009 number:10 month:10 pages:960-969 https://dx.doi.org/10.1177/1933719109338220 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2125 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2145 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2704 GBV_ILN_2707 GBV_ILN_2889 GBV_ILN_2890 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 AR 16 2009 10 10 960-969 |
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Enthalten in Reproductive sciences 16(2009), 10 vom: Okt., Seite 960-969 volume:16 year:2009 number:10 month:10 pages:960-969 |
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Shynlova, Oksana @@aut@@ Chow, Michelle @@aut@@ Lye, Stephen J. @@aut@@ |
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We have previously found a significant increase in the expression of messenger RNA (mRNAs) encoding extracellular basement membrane (BM) proteins of the smooth muscle cells (SMCs) in late pregnant rat myometrium. At term, the myometrium is stretched by growing fetuses and these mechanical signals are transmitted from extracellular matrix into SMCs through focal adhesions (FA). The aim of this study was to investigate the effect of gravidity on the expression and spatiotemporal distribution of major BM proteins, laminin-γ2 and collagen IV, as well as typical FA constituents, vinculin and paxillin, in the myometrium during gestation and parturition, using a unilaterally pregnant rat model. We found that the expression of laminin-γ2 and collagen IV proteins increased significantly with gestational age (P < .05) and was dependent on gravidity whereas vinculin and paxillin proteins were not affected. Near term, BM proteins from gravid horn myometrium demonstrated increased extracellular immunostaining and major rearrangement from sporadic protein distribution to organized, continuous, and regular structures surrounding the plasma membrane of each myocyte. Examination of FA proteins revealed that paxillin was translocated from the cytoplasm to the cell periphery, while vinculin was sequestered specifically to FAs. At labor, BM and FA proteins, organized in similar bead-like structures, were localized on opposing sides of SMC plasma membrane into 2 different compartments. We suggest that these stretch-induced changes facilitate formation of stable cell-matrix adhesions and provide the molecular basis for optimal force transduction during labor contractions.</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Chow, Michelle</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lye, Stephen J.</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Reproductive sciences</subfield><subfield code="d">Cham : Springer Nature Switzerland AG, 2007</subfield><subfield code="g">16(2009), 10 vom: Okt., Seite 960-969</subfield><subfield code="w">(DE-627)523194854</subfield><subfield code="w">(DE-600)2266096-3</subfield><subfield code="x">1933-7205</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield 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Shynlova, Oksana |
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Shynlova, Oksana Expression and Organization of Basement Membranes and Focal Adhesion Proteins in Pregnant Myometrium is Regulated by Uterine Stretch |
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Expression and Organization of Basement Membranes and Focal Adhesion Proteins in Pregnant Myometrium is Regulated by Uterine Stretch |
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Elektronische Aufsätze Aufsätze Elektronische Ressource |
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Expression and Organization of Basement Membranes and Focal Adhesion Proteins in Pregnant Myometrium is Regulated by Uterine Stretch |
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(DE-627)SPR038833549 (SPR)1933719109338220-e |
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Expression and Organization of Basement Membranes and Focal Adhesion Proteins in Pregnant Myometrium is Regulated by Uterine Stretch |
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Shynlova, Oksana |
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Reproductive sciences |
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Shynlova, Oksana Chow, Michelle Lye, Stephen J. |
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Elektronische Aufsätze |
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Shynlova, Oksana |
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10.1177/1933719109338220 |
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expression and organization of basement membranes and focal adhesion proteins in pregnant myometrium is regulated by uterine stretch |
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Expression and Organization of Basement Membranes and Focal Adhesion Proteins in Pregnant Myometrium is Regulated by Uterine Stretch |
| abstract |
Abstract The mechanisms underlying the preparation of the uterus for labor are not fully understood. We have previously found a significant increase in the expression of messenger RNA (mRNAs) encoding extracellular basement membrane (BM) proteins of the smooth muscle cells (SMCs) in late pregnant rat myometrium. At term, the myometrium is stretched by growing fetuses and these mechanical signals are transmitted from extracellular matrix into SMCs through focal adhesions (FA). The aim of this study was to investigate the effect of gravidity on the expression and spatiotemporal distribution of major BM proteins, laminin-γ2 and collagen IV, as well as typical FA constituents, vinculin and paxillin, in the myometrium during gestation and parturition, using a unilaterally pregnant rat model. We found that the expression of laminin-γ2 and collagen IV proteins increased significantly with gestational age (P < .05) and was dependent on gravidity whereas vinculin and paxillin proteins were not affected. Near term, BM proteins from gravid horn myometrium demonstrated increased extracellular immunostaining and major rearrangement from sporadic protein distribution to organized, continuous, and regular structures surrounding the plasma membrane of each myocyte. Examination of FA proteins revealed that paxillin was translocated from the cytoplasm to the cell periphery, while vinculin was sequestered specifically to FAs. At labor, BM and FA proteins, organized in similar bead-like structures, were localized on opposing sides of SMC plasma membrane into 2 different compartments. We suggest that these stretch-induced changes facilitate formation of stable cell-matrix adhesions and provide the molecular basis for optimal force transduction during labor contractions. © Society for Reproductive Investigation 2009 |
| abstractGer |
Abstract The mechanisms underlying the preparation of the uterus for labor are not fully understood. We have previously found a significant increase in the expression of messenger RNA (mRNAs) encoding extracellular basement membrane (BM) proteins of the smooth muscle cells (SMCs) in late pregnant rat myometrium. At term, the myometrium is stretched by growing fetuses and these mechanical signals are transmitted from extracellular matrix into SMCs through focal adhesions (FA). The aim of this study was to investigate the effect of gravidity on the expression and spatiotemporal distribution of major BM proteins, laminin-γ2 and collagen IV, as well as typical FA constituents, vinculin and paxillin, in the myometrium during gestation and parturition, using a unilaterally pregnant rat model. We found that the expression of laminin-γ2 and collagen IV proteins increased significantly with gestational age (P < .05) and was dependent on gravidity whereas vinculin and paxillin proteins were not affected. Near term, BM proteins from gravid horn myometrium demonstrated increased extracellular immunostaining and major rearrangement from sporadic protein distribution to organized, continuous, and regular structures surrounding the plasma membrane of each myocyte. Examination of FA proteins revealed that paxillin was translocated from the cytoplasm to the cell periphery, while vinculin was sequestered specifically to FAs. At labor, BM and FA proteins, organized in similar bead-like structures, were localized on opposing sides of SMC plasma membrane into 2 different compartments. We suggest that these stretch-induced changes facilitate formation of stable cell-matrix adhesions and provide the molecular basis for optimal force transduction during labor contractions. © Society for Reproductive Investigation 2009 |
| abstract_unstemmed |
Abstract The mechanisms underlying the preparation of the uterus for labor are not fully understood. We have previously found a significant increase in the expression of messenger RNA (mRNAs) encoding extracellular basement membrane (BM) proteins of the smooth muscle cells (SMCs) in late pregnant rat myometrium. At term, the myometrium is stretched by growing fetuses and these mechanical signals are transmitted from extracellular matrix into SMCs through focal adhesions (FA). The aim of this study was to investigate the effect of gravidity on the expression and spatiotemporal distribution of major BM proteins, laminin-γ2 and collagen IV, as well as typical FA constituents, vinculin and paxillin, in the myometrium during gestation and parturition, using a unilaterally pregnant rat model. We found that the expression of laminin-γ2 and collagen IV proteins increased significantly with gestational age (P < .05) and was dependent on gravidity whereas vinculin and paxillin proteins were not affected. Near term, BM proteins from gravid horn myometrium demonstrated increased extracellular immunostaining and major rearrangement from sporadic protein distribution to organized, continuous, and regular structures surrounding the plasma membrane of each myocyte. Examination of FA proteins revealed that paxillin was translocated from the cytoplasm to the cell periphery, while vinculin was sequestered specifically to FAs. At labor, BM and FA proteins, organized in similar bead-like structures, were localized on opposing sides of SMC plasma membrane into 2 different compartments. We suggest that these stretch-induced changes facilitate formation of stable cell-matrix adhesions and provide the molecular basis for optimal force transduction during labor contractions. © Society for Reproductive Investigation 2009 |
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| title_short |
Expression and Organization of Basement Membranes and Focal Adhesion Proteins in Pregnant Myometrium is Regulated by Uterine Stretch |
| url |
https://dx.doi.org/10.1177/1933719109338220 |
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Chow, Michelle Lye, Stephen J. |
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Chow, Michelle Lye, Stephen J. |
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| doi_str |
10.1177/1933719109338220 |
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2024-07-03T20:15:24.211Z |
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| score |
7.400687 |