Related Experiment Videos
Bone remodelling in human immunodeficiency virus-1-infected patients. A histomorphometric study
S Serrano1, M L Mariñoso, J C Soriano
1Department of Pathology, Hospital del Mar, Universitat Autònoma de Barcelona, Spain.
Bone
|February 1, 1995
Summary
This study found lower serum osteocalcin levels in human immunodeficiency virus (HIV-1) patients with severe disease, correlating positively with CD4+ T lymphocyte counts. Bone densitometry showed no significant alterations.
Area of Science:
- Bone biology and metabolism
- Immunology
- Infectious diseases
Background:
- Human immunodeficiency virus (HIV-1) infection can impact bone health.
- Understanding bone histomorphometry alterations in HIV-1 is crucial for patient management.
Purpose of the Study:
- To identify and describe bone histomorphometry alterations in HIV-1 patients.
- To assess the relationship between these alterations and HIV-1 disease severity.
Main Methods:
- Evaluated 22 HIV-1 patients meeting strict inclusion criteria.
- Measured plasma and urine biochemistry, calcium-regulating hormones, and bone mineral content via dual-photon absorptiometry.
- Performed transiliac bone biopsy with histomorphometric analysis after double-tetracycline labeling.
Main Results:
- Serum osteocalcin levels were lower in patients with greater disease severity (CDC classification).
- Serum osteocalcin showed a positive correlation with CD4+ T lymphocyte counts.
- No significant alterations in bone densitometry were observed.
Conclusions:
- HIV-1 infection, particularly severe forms, is associated with altered bone turnover markers like osteocalcin.
- Bone histomorphometry may reveal subclinical bone changes not detected by densitometry in HIV-1 patients.
- Further research is needed to elucidate the mechanisms and clinical implications of these bone alterations.