3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia
Rationale A plasma biomarker for neurodegenerative disease is desirable because blood is relatively simple to obtain compared with other biological samples such as cerebrospinal fluid. Recent literature suggests that neurosteroid metabolism may be altered in Alzheimer's disease (AD). Objectives...
Ausführliche Beschreibung
Autor*in: |
Smith, Charles D. [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2005 |
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Schlagwörter: |
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Anmerkung: |
© Springer-Verlag 2005 |
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Übergeordnetes Werk: |
Enthalten in: Psychopharmacology - Berlin : Springer, 1959, 186(2005), 3 vom: 18. Okt., Seite 481-485 |
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Übergeordnetes Werk: |
volume:186 ; year:2005 ; number:3 ; day:18 ; month:10 ; pages:481-485 |
Links: |
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DOI / URN: |
10.1007/s00213-005-0186-1 |
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Katalog-ID: |
SPR001999532 |
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100 | 1 | |a Smith, Charles D. |e verfasserin |4 aut | |
245 | 1 | 0 | |a 3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia |
264 | 1 | |c 2005 | |
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520 | |a Rationale A plasma biomarker for neurodegenerative disease is desirable because blood is relatively simple to obtain compared with other biological samples such as cerebrospinal fluid. Recent literature suggests that neurosteroid metabolism may be altered in Alzheimer's disease (AD). Objectives We sought to measure the plasma levels of seven steroids to assess their potential as biomarkers for dementia and AD. Methods: Steroids were measured using validated radioimmunoassay methods in AD (n=15), non-AD dementia (n=4), and control subjects (n=20). Demented subjects were in the mild-to-moderate stages of illness. Measurements were done blind to subject status in an independent laboratory. Results The notable finding was the significantly lower 5α-pregnan-3α-ol-20-one (3α,5α-THP) level in demented subjects compared with controls (25% decrease; p=0.004); 3α,5α-THP was the only one of the steroids demonstrating an effect of dementia. Conclusion Lowered 3α,5α-THP levels appear promising as a biomarker in dementia, but further work is needed to establish the sensitivity and specificity of these findings in AD. | ||
650 | 4 | |a Neurosteroid |7 (dpeaa)DE-He213 | |
650 | 4 | |a Dementia |7 (dpeaa)DE-He213 | |
650 | 4 | |a Alzheimer's disease |7 (dpeaa)DE-He213 | |
650 | 4 | |a Biomarker |7 (dpeaa)DE-He213 | |
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650 | 4 | |a Plasma |7 (dpeaa)DE-He213 | |
650 | 4 | |a 3α,5α-THP |7 (dpeaa)DE-He213 | |
650 | 4 | |a Allopregnenolone |7 (dpeaa)DE-He213 | |
700 | 1 | |a Wekstein, David R. |4 aut | |
700 | 1 | |a Markesbery, William R. |4 aut | |
700 | 1 | |a Frye, Cheryl A. |4 aut | |
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10.1007/s00213-005-0186-1 doi (DE-627)SPR001999532 (SPR)s00213-005-0186-1-e DE-627 ger DE-627 rakwb eng Smith, Charles D. verfasserin aut 3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia 2005 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2005 Rationale A plasma biomarker for neurodegenerative disease is desirable because blood is relatively simple to obtain compared with other biological samples such as cerebrospinal fluid. Recent literature suggests that neurosteroid metabolism may be altered in Alzheimer's disease (AD). Objectives We sought to measure the plasma levels of seven steroids to assess their potential as biomarkers for dementia and AD. Methods: Steroids were measured using validated radioimmunoassay methods in AD (n=15), non-AD dementia (n=4), and control subjects (n=20). Demented subjects were in the mild-to-moderate stages of illness. Measurements were done blind to subject status in an independent laboratory. Results The notable finding was the significantly lower 5α-pregnan-3α-ol-20-one (3α,5α-THP) level in demented subjects compared with controls (25% decrease; p=0.004); 3α,5α-THP was the only one of the steroids demonstrating an effect of dementia. Conclusion Lowered 3α,5α-THP levels appear promising as a biomarker in dementia, but further work is needed to establish the sensitivity and specificity of these findings in AD. Neurosteroid (dpeaa)DE-He213 Dementia (dpeaa)DE-He213 Alzheimer's disease (dpeaa)DE-He213 Biomarker (dpeaa)DE-He213 Blood (dpeaa)DE-He213 Plasma (dpeaa)DE-He213 3α,5α-THP (dpeaa)DE-He213 Allopregnenolone (dpeaa)DE-He213 Wekstein, David R. aut Markesbery, William R. aut Frye, Cheryl A. aut Enthalten in Psychopharmacology Berlin : Springer, 1959 186(2005), 3 vom: 18. Okt., Seite 481-485 (DE-627)341342254 (DE-600)2066933-1 1432-2072 nnns volume:186 year:2005 number:3 day:18 month:10 pages:481-485 https://dx.doi.org/10.1007/s00213-005-0186-1 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_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 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_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_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 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_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_4393 GBV_ILN_4700 AR 186 2005 3 18 10 481-485 |
spelling |
10.1007/s00213-005-0186-1 doi (DE-627)SPR001999532 (SPR)s00213-005-0186-1-e DE-627 ger DE-627 rakwb eng Smith, Charles D. verfasserin aut 3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia 2005 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2005 Rationale A plasma biomarker for neurodegenerative disease is desirable because blood is relatively simple to obtain compared with other biological samples such as cerebrospinal fluid. Recent literature suggests that neurosteroid metabolism may be altered in Alzheimer's disease (AD). Objectives We sought to measure the plasma levels of seven steroids to assess their potential as biomarkers for dementia and AD. Methods: Steroids were measured using validated radioimmunoassay methods in AD (n=15), non-AD dementia (n=4), and control subjects (n=20). Demented subjects were in the mild-to-moderate stages of illness. Measurements were done blind to subject status in an independent laboratory. Results The notable finding was the significantly lower 5α-pregnan-3α-ol-20-one (3α,5α-THP) level in demented subjects compared with controls (25% decrease; p=0.004); 3α,5α-THP was the only one of the steroids demonstrating an effect of dementia. Conclusion Lowered 3α,5α-THP levels appear promising as a biomarker in dementia, but further work is needed to establish the sensitivity and specificity of these findings in AD. Neurosteroid (dpeaa)DE-He213 Dementia (dpeaa)DE-He213 Alzheimer's disease (dpeaa)DE-He213 Biomarker (dpeaa)DE-He213 Blood (dpeaa)DE-He213 Plasma (dpeaa)DE-He213 3α,5α-THP (dpeaa)DE-He213 Allopregnenolone (dpeaa)DE-He213 Wekstein, David R. aut Markesbery, William R. aut Frye, Cheryl A. aut Enthalten in Psychopharmacology Berlin : Springer, 1959 186(2005), 3 vom: 18. Okt., Seite 481-485 (DE-627)341342254 (DE-600)2066933-1 1432-2072 nnns volume:186 year:2005 number:3 day:18 month:10 pages:481-485 https://dx.doi.org/10.1007/s00213-005-0186-1 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_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 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_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_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 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_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_4393 GBV_ILN_4700 AR 186 2005 3 18 10 481-485 |
allfields_unstemmed |
10.1007/s00213-005-0186-1 doi (DE-627)SPR001999532 (SPR)s00213-005-0186-1-e DE-627 ger DE-627 rakwb eng Smith, Charles D. verfasserin aut 3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia 2005 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2005 Rationale A plasma biomarker for neurodegenerative disease is desirable because blood is relatively simple to obtain compared with other biological samples such as cerebrospinal fluid. Recent literature suggests that neurosteroid metabolism may be altered in Alzheimer's disease (AD). Objectives We sought to measure the plasma levels of seven steroids to assess their potential as biomarkers for dementia and AD. Methods: Steroids were measured using validated radioimmunoassay methods in AD (n=15), non-AD dementia (n=4), and control subjects (n=20). Demented subjects were in the mild-to-moderate stages of illness. Measurements were done blind to subject status in an independent laboratory. Results The notable finding was the significantly lower 5α-pregnan-3α-ol-20-one (3α,5α-THP) level in demented subjects compared with controls (25% decrease; p=0.004); 3α,5α-THP was the only one of the steroids demonstrating an effect of dementia. Conclusion Lowered 3α,5α-THP levels appear promising as a biomarker in dementia, but further work is needed to establish the sensitivity and specificity of these findings in AD. Neurosteroid (dpeaa)DE-He213 Dementia (dpeaa)DE-He213 Alzheimer's disease (dpeaa)DE-He213 Biomarker (dpeaa)DE-He213 Blood (dpeaa)DE-He213 Plasma (dpeaa)DE-He213 3α,5α-THP (dpeaa)DE-He213 Allopregnenolone (dpeaa)DE-He213 Wekstein, David R. aut Markesbery, William R. aut Frye, Cheryl A. aut Enthalten in Psychopharmacology Berlin : Springer, 1959 186(2005), 3 vom: 18. Okt., Seite 481-485 (DE-627)341342254 (DE-600)2066933-1 1432-2072 nnns volume:186 year:2005 number:3 day:18 month:10 pages:481-485 https://dx.doi.org/10.1007/s00213-005-0186-1 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_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 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_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_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 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_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_4393 GBV_ILN_4700 AR 186 2005 3 18 10 481-485 |
allfieldsGer |
10.1007/s00213-005-0186-1 doi (DE-627)SPR001999532 (SPR)s00213-005-0186-1-e DE-627 ger DE-627 rakwb eng Smith, Charles D. verfasserin aut 3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia 2005 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2005 Rationale A plasma biomarker for neurodegenerative disease is desirable because blood is relatively simple to obtain compared with other biological samples such as cerebrospinal fluid. Recent literature suggests that neurosteroid metabolism may be altered in Alzheimer's disease (AD). Objectives We sought to measure the plasma levels of seven steroids to assess their potential as biomarkers for dementia and AD. Methods: Steroids were measured using validated radioimmunoassay methods in AD (n=15), non-AD dementia (n=4), and control subjects (n=20). Demented subjects were in the mild-to-moderate stages of illness. Measurements were done blind to subject status in an independent laboratory. Results The notable finding was the significantly lower 5α-pregnan-3α-ol-20-one (3α,5α-THP) level in demented subjects compared with controls (25% decrease; p=0.004); 3α,5α-THP was the only one of the steroids demonstrating an effect of dementia. Conclusion Lowered 3α,5α-THP levels appear promising as a biomarker in dementia, but further work is needed to establish the sensitivity and specificity of these findings in AD. Neurosteroid (dpeaa)DE-He213 Dementia (dpeaa)DE-He213 Alzheimer's disease (dpeaa)DE-He213 Biomarker (dpeaa)DE-He213 Blood (dpeaa)DE-He213 Plasma (dpeaa)DE-He213 3α,5α-THP (dpeaa)DE-He213 Allopregnenolone (dpeaa)DE-He213 Wekstein, David R. aut Markesbery, William R. aut Frye, Cheryl A. aut Enthalten in Psychopharmacology Berlin : Springer, 1959 186(2005), 3 vom: 18. Okt., Seite 481-485 (DE-627)341342254 (DE-600)2066933-1 1432-2072 nnns volume:186 year:2005 number:3 day:18 month:10 pages:481-485 https://dx.doi.org/10.1007/s00213-005-0186-1 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_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 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_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_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 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_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_4393 GBV_ILN_4700 AR 186 2005 3 18 10 481-485 |
allfieldsSound |
10.1007/s00213-005-0186-1 doi (DE-627)SPR001999532 (SPR)s00213-005-0186-1-e DE-627 ger DE-627 rakwb eng Smith, Charles D. verfasserin aut 3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia 2005 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2005 Rationale A plasma biomarker for neurodegenerative disease is desirable because blood is relatively simple to obtain compared with other biological samples such as cerebrospinal fluid. Recent literature suggests that neurosteroid metabolism may be altered in Alzheimer's disease (AD). Objectives We sought to measure the plasma levels of seven steroids to assess their potential as biomarkers for dementia and AD. Methods: Steroids were measured using validated radioimmunoassay methods in AD (n=15), non-AD dementia (n=4), and control subjects (n=20). Demented subjects were in the mild-to-moderate stages of illness. Measurements were done blind to subject status in an independent laboratory. Results The notable finding was the significantly lower 5α-pregnan-3α-ol-20-one (3α,5α-THP) level in demented subjects compared with controls (25% decrease; p=0.004); 3α,5α-THP was the only one of the steroids demonstrating an effect of dementia. Conclusion Lowered 3α,5α-THP levels appear promising as a biomarker in dementia, but further work is needed to establish the sensitivity and specificity of these findings in AD. Neurosteroid (dpeaa)DE-He213 Dementia (dpeaa)DE-He213 Alzheimer's disease (dpeaa)DE-He213 Biomarker (dpeaa)DE-He213 Blood (dpeaa)DE-He213 Plasma (dpeaa)DE-He213 3α,5α-THP (dpeaa)DE-He213 Allopregnenolone (dpeaa)DE-He213 Wekstein, David R. aut Markesbery, William R. aut Frye, Cheryl A. aut Enthalten in Psychopharmacology Berlin : Springer, 1959 186(2005), 3 vom: 18. Okt., Seite 481-485 (DE-627)341342254 (DE-600)2066933-1 1432-2072 nnns volume:186 year:2005 number:3 day:18 month:10 pages:481-485 https://dx.doi.org/10.1007/s00213-005-0186-1 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_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 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_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 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_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 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_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_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 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_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_4393 GBV_ILN_4700 AR 186 2005 3 18 10 481-485 |
language |
English |
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Enthalten in Psychopharmacology 186(2005), 3 vom: 18. Okt., Seite 481-485 volume:186 year:2005 number:3 day:18 month:10 pages:481-485 |
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Enthalten in Psychopharmacology 186(2005), 3 vom: 18. Okt., Seite 481-485 volume:186 year:2005 number:3 day:18 month:10 pages:481-485 |
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Neurosteroid Dementia Alzheimer's disease Biomarker Blood Plasma 3α,5α-THP Allopregnenolone |
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Psychopharmacology |
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Smith, Charles D. @@aut@@ Wekstein, David R. @@aut@@ Markesbery, William R. @@aut@@ Frye, Cheryl A. @@aut@@ |
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2005-10-18T00:00:00Z |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR001999532</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230519193700.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">201001s2005 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s00213-005-0186-1</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR001999532</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s00213-005-0186-1-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Smith, Charles D.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2005</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© Springer-Verlag 2005</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Rationale A plasma biomarker for neurodegenerative disease is desirable because blood is relatively simple to obtain compared with other biological samples such as cerebrospinal fluid. Recent literature suggests that neurosteroid metabolism may be altered in Alzheimer's disease (AD). Objectives We sought to measure the plasma levels of seven steroids to assess their potential as biomarkers for dementia and AD. Methods: Steroids were measured using validated radioimmunoassay methods in AD (n=15), non-AD dementia (n=4), and control subjects (n=20). Demented subjects were in the mild-to-moderate stages of illness. Measurements were done blind to subject status in an independent laboratory. Results The notable finding was the significantly lower 5α-pregnan-3α-ol-20-one (3α,5α-THP) level in demented subjects compared with controls (25% decrease; p=0.004); 3α,5α-THP was the only one of the steroids demonstrating an effect of dementia. 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|
author |
Smith, Charles D. |
spellingShingle |
Smith, Charles D. misc Neurosteroid misc Dementia misc Alzheimer's disease misc Biomarker misc Blood misc Plasma misc 3α,5α-THP misc Allopregnenolone 3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia |
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3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia Neurosteroid (dpeaa)DE-He213 Dementia (dpeaa)DE-He213 Alzheimer's disease (dpeaa)DE-He213 Biomarker (dpeaa)DE-He213 Blood (dpeaa)DE-He213 Plasma (dpeaa)DE-He213 3α,5α-THP (dpeaa)DE-He213 Allopregnenolone (dpeaa)DE-He213 |
topic |
misc Neurosteroid misc Dementia misc Alzheimer's disease misc Biomarker misc Blood misc Plasma misc 3α,5α-THP misc Allopregnenolone |
topic_unstemmed |
misc Neurosteroid misc Dementia misc Alzheimer's disease misc Biomarker misc Blood misc Plasma misc 3α,5α-THP misc Allopregnenolone |
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misc Neurosteroid misc Dementia misc Alzheimer's disease misc Biomarker misc Blood misc Plasma misc 3α,5α-THP misc Allopregnenolone |
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3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia |
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(DE-627)SPR001999532 (SPR)s00213-005-0186-1-e |
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3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia |
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Smith, Charles D. |
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Psychopharmacology |
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Smith, Charles D. Wekstein, David R. Markesbery, William R. Frye, Cheryl A. |
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Smith, Charles D. |
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10.1007/s00213-005-0186-1 |
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3α,5α-thp: a potential plasma neurosteroid biomarker in alzheimer's disease and perhaps non-alzheimer's dementia |
title_auth |
3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia |
abstract |
Rationale A plasma biomarker for neurodegenerative disease is desirable because blood is relatively simple to obtain compared with other biological samples such as cerebrospinal fluid. Recent literature suggests that neurosteroid metabolism may be altered in Alzheimer's disease (AD). Objectives We sought to measure the plasma levels of seven steroids to assess their potential as biomarkers for dementia and AD. Methods: Steroids were measured using validated radioimmunoassay methods in AD (n=15), non-AD dementia (n=4), and control subjects (n=20). Demented subjects were in the mild-to-moderate stages of illness. Measurements were done blind to subject status in an independent laboratory. Results The notable finding was the significantly lower 5α-pregnan-3α-ol-20-one (3α,5α-THP) level in demented subjects compared with controls (25% decrease; p=0.004); 3α,5α-THP was the only one of the steroids demonstrating an effect of dementia. Conclusion Lowered 3α,5α-THP levels appear promising as a biomarker in dementia, but further work is needed to establish the sensitivity and specificity of these findings in AD. © Springer-Verlag 2005 |
abstractGer |
Rationale A plasma biomarker for neurodegenerative disease is desirable because blood is relatively simple to obtain compared with other biological samples such as cerebrospinal fluid. Recent literature suggests that neurosteroid metabolism may be altered in Alzheimer's disease (AD). Objectives We sought to measure the plasma levels of seven steroids to assess their potential as biomarkers for dementia and AD. Methods: Steroids were measured using validated radioimmunoassay methods in AD (n=15), non-AD dementia (n=4), and control subjects (n=20). Demented subjects were in the mild-to-moderate stages of illness. Measurements were done blind to subject status in an independent laboratory. Results The notable finding was the significantly lower 5α-pregnan-3α-ol-20-one (3α,5α-THP) level in demented subjects compared with controls (25% decrease; p=0.004); 3α,5α-THP was the only one of the steroids demonstrating an effect of dementia. Conclusion Lowered 3α,5α-THP levels appear promising as a biomarker in dementia, but further work is needed to establish the sensitivity and specificity of these findings in AD. © Springer-Verlag 2005 |
abstract_unstemmed |
Rationale A plasma biomarker for neurodegenerative disease is desirable because blood is relatively simple to obtain compared with other biological samples such as cerebrospinal fluid. Recent literature suggests that neurosteroid metabolism may be altered in Alzheimer's disease (AD). Objectives We sought to measure the plasma levels of seven steroids to assess their potential as biomarkers for dementia and AD. Methods: Steroids were measured using validated radioimmunoassay methods in AD (n=15), non-AD dementia (n=4), and control subjects (n=20). Demented subjects were in the mild-to-moderate stages of illness. Measurements were done blind to subject status in an independent laboratory. Results The notable finding was the significantly lower 5α-pregnan-3α-ol-20-one (3α,5α-THP) level in demented subjects compared with controls (25% decrease; p=0.004); 3α,5α-THP was the only one of the steroids demonstrating an effect of dementia. Conclusion Lowered 3α,5α-THP levels appear promising as a biomarker in dementia, but further work is needed to establish the sensitivity and specificity of these findings in AD. © Springer-Verlag 2005 |
collection_details |
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container_issue |
3 |
title_short |
3α,5α-THP: a potential plasma neurosteroid biomarker in Alzheimer's disease and perhaps non-Alzheimer's dementia |
url |
https://dx.doi.org/10.1007/s00213-005-0186-1 |
remote_bool |
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author2 |
Wekstein, David R. Markesbery, William R. Frye, Cheryl A. |
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doi_str |
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up_date |
2024-07-04T01:20:29.950Z |
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score |
7.400141 |