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Soluble p-cadherin found in human semen.
Ana L De Paul1, Monica Bonaterra, Alejandro Peralta Soler
1Centro de Microscopía Electrónica, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Argentina.
Journal of Andrology
|December 22, 2004
Summary
Researchers found an 80-kD fragment of placental-cadherin (P-cadherin) in human semen, regardless of fertility status. This discovery highlights the widespread presence of soluble P-cadherin fragments in bodily fluids.
Area of Science:
- Biochemistry
- Cell Biology
- Reproductive Biology
Background:
- Cadherins are calcium-dependent cell-cell adhesion molecules crucial for tissue structure.
- Placental-cadherin (P-cadherin) is an 118-kd protein typically found in basal epithelial cells.
- Soluble P-cadherin fragments have been identified in various biological fluids like serum and breast milk.
Purpose of the Study:
- To investigate the presence and characteristics of P-cadherin in human semen.
- To determine if P-cadherin levels in semen differ between fertile and nonfertile individuals.
Main Methods:
- Analysis of human semen samples.
- Detection and characterization of protein fragments using biochemical assays (specific methods not detailed in abstract).
Main Results:
- An 80-kD fragment of P-cadherin was detected in human semen.
- No significant differences in the presence of this fragment were observed between semen samples from fertile and nonfertile patients.
Conclusions:
- Soluble P-cadherin fragments are widely distributed across human bodily fluids.
- The presence of soluble P-cadherin in semen suggests potential functions beyond its role in epithelial cell adhesion.