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Particle Agglutination Method for Poliovirus Identification
Published on: April 20, 2011
Human parvovirus B19 associated with idiopathic thrombocytopenic purpura
Orhan Cem Aktepe1, Sevgi Yetgin, Lale Olcay
1Hacettepe University, Faculty of Medicine, Department of Pediatrics, Section of Hematology, Ankara, Turkey; and Afyon Kocatepe University, Faculty of Medicine, Department of Microbiology, Afyon, Turkey.
Abstract:
Although human parvovirus B19 (PVB19) is mainly known to be the causative agent of fifth disease, it is also important in the etiopathogenesis of various hematologic disorders. Recently, its role in the occurrence of chronic anemia and pancytopenia in immunocompromised patients has been revealed. In this study, the authors searched for the presence of PVB19 in a group of patients with idiopathic thrombocytopenic purpura (ITP). The PVB19 DNA was determined by nested PCR, and serologic responses to the virus were evaluated by ELISA. Viral genome was detected by PCR in the sera of 9 of the 19 patients. The IgM and IgG positivities were 57 and 73% in the patients, respectively. These results suggest that PVB19 is associated with ITP nearly in half of the patients and its pathogenetic role in the cases of ITP needs further consideration.
Insights
Human parvovirus B19 (PVB19) is linked to idiopathic thrombocytopenic purpura (ITP). This study found PVB19 DNA or antibodies in nearly half of ITP patients, suggesting a potential role in the disorder.
Area of Science:
- Virology
- Hematology
- Immunology
Background:
- Human parvovirus B19 (PVB19) is primarily known for causing fifth disease.
- Emerging evidence links PVB19 to hematologic disorders, including anemia and pancytopenia in immunocompromised individuals.
Observation:
- This study investigated the presence of PVB19 in patients diagnosed with idiopathic thrombocytopenic purpura (ITP).
- PVB19 DNA was detected using nested PCR, and serological responses (IgM and IgG) were assessed via ELISA.
Findings:
- PVB19 viral genome was identified in the serum of 9 out of 19 ITP patients (47%).
- Serological analysis revealed high rates of IgM (57%) and IgG (73%) positivity for PVB19 among the patients.
Implications:
- These findings suggest a significant association between PVB19 infection and ITP in a substantial portion of patients.
- The potential pathogenetic role of PVB19 in ITP warrants further investigation and consideration in clinical settings.
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