Ratios of Free to Total Prostate-Specific Antigen and Total Prostate Specific Antigen to Protein Concentrations in Saliva and Serum of Healthy Men
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences
2007-02-01
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| Series: | Urology Journal |
| Online Access: | http://www.urologyjournal.org/index.php/uj/article/view/105/104 |
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mso-ansi-font-size:10.0pt; mso-bidi-font-size:10.0pt;} @page Section1 {size:612.0pt 792.0pt; margin:72.0pt 72.0pt 72.0pt 72.0pt; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> <!--[if gte mso 10]> <style> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:Arial; mso-bidi-theme-font:minor-bidi;} </style> <![endif]--> <p class="MsoNormal"><strong>Introduction:</strong> We evaluated the ratio of free to total prostate-specific antigen (PSA) and PSA to protein concentrations in saliva and serum of healthy men.</p> <p class="MsoNormal"><strong>Materials and Methods: </strong>Concentrations of protein, free PSA, and total PSA in serum and saliva were measured in 30 healthy men aged 42 to 73 years, and their ratios were compared between the two fluids.</p> <p class="MsoNormal"><strong>Results: </strong>There was a significant direct correlation between serum free-total PSA ratios of serum and saliva (<em>P</em> = .04) and between total PSA-protein ratios of serum and saliva (<em>P</em> = .02). Also, there were significant correlations between total and free PSA levels in saliva (<em>P</em> = .05) and between those in serum (<em>P</em> < .001). Significant inverse and direct correlations were detected between the body mass index and serum values of total PSA-protein (<em>P </em>= .04) and free-total PSA (<em>P </em>= .01), respectively.</p> <p class="MsoNormal"><strong>Conclusion: </strong>We can use saliva sample instead of serum sample for estimation of free-total PSA and total PSA-protein levels in men without prostate diseases. There is, however, a pressing need for much additional research in this area before the true clinical value of saliva as a diagnostic fluid can be determined.</p> |
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| ISSN: | 1735-1308 1735-546X |