BK VIRUS (BKV) QUANTIFCATION IN URINE SAMPLES OF BONE MARROW TRANSPLANTED PATIENTS IS HELPFUL FOR DIAGNOSIS OF HEMORRHAGICCYSTITIS

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KOUKHAEI P.; KOUKHAEI L.; SEDIGHI MOGHADAM B.; MOSAYEBI GHASEM

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Journal: Koomesh Year:2008 | Volume:9 | Issue:2 (26) Page(s): 155-161

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Title

BK VIRUS (BKV) QUANTIFCATION IN URINE SAMPLES OF BONE MARROW TRANSPLANTED PATIENTS IS HELPFUL FOR DIAGNOSIS OF HEMORRHAGICCYSTITIS

Author(s)

KOUKHAEI P. | KOUKHAEI L. | SEDIGHI MOGHADAM B. | MOSAYEBI GHASEM | Issue Writer Certificate

Keywords

BONE MARROW TRANSPLANTATIONQ2

BKVQ3

REAL-TIME PCRQ3

HEMORRHAGIC CYSTITISQ1

Abstract

Background: HEMORRHAGIC CYSTITIS (HC) in allogeneic bone marrow transplanted (BMT) patients is associated with BK virus (BKV) reactivation manifested as BK viruria. However, since 77–90% of all adult BMT patients excrete BKV, viral reactivation alone cannot be responsible for HC. Recently, a significant overrepresentation of C ®G mutations in the Sp1 binding site in the non-coding control region (NCCR) of BKV was shown to be present in HC patients and absent in non-HC patients. We aimed to investigate if this mutation resulted in excessive BKV excretion in HC patients. Study design: A REAL-TIME PCR was developed and used to quantify BKV in urine samples from 21 patients with HC, with and without the mutations, as well as from patients without HC.Material and method: A REAL-TIME PCR was developed and used to quantify BKV in urine samples from 21 patients with HC, with and without the mutations, as well as from patients without HC.Results: Quantification of BKV was successful in 18 of 21 urine patients (six with and six without C®G mutations) and six patients without HC. A mean of 3.0´106 BKV copies/ml was detected in urine samples of HC patients with C®G mutations, compared to a mean of 1.5´106 BKV copies/ml in HC patients without C®G mutations and a mean of 1.0´106 BKV copies/ml in patients without HC. The obtained differences were however not statistically significant, due to one individual non-HC patient with an extremely high BKV copy number. Nevertheless, while 50% of the samples in the HC groups expressed 1´106 copies/ml or more, only one of the samples in the non-HC group contained a virus quantity higher than 5´105 copies.Conclusions: Although we could not confirm that the C®G mutations in the Sp1 site of BKV were responsible for an increased viral load in patients with HC, our data suggest that levels of BKV above 104 copies/ml may indicate a risk for HC.

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APA: Copy

KOUKHAEI, P., KOUKHAEI, L., SEDIGHI MOGHADAM, B., & MOSAYEBI, GHASEM. (2008). BK VIRUS (BKV) QUANTIFCATION IN URINE SAMPLES OF BONE MARROW TRANSPLANTED PATIENTS IS HELPFUL FOR DIAGNOSIS OF HEMORRHAGICCYSTITIS. KOOMESH, 9(2 (26)), 155-161. SID. https://sid.ir/paper/37087/en

Vancouver: Copy

KOUKHAEI P., KOUKHAEI L., SEDIGHI MOGHADAM B., MOSAYEBI GHASEM. BK VIRUS (BKV) QUANTIFCATION IN URINE SAMPLES OF BONE MARROW TRANSPLANTED PATIENTS IS HELPFUL FOR DIAGNOSIS OF HEMORRHAGICCYSTITIS. KOOMESH[Internet]. 2008;9(2 (26)):155-161. Available from: https://sid.ir/paper/37087/en

IEEE: Copy

P. KOUKHAEI, L. KOUKHAEI, B. SEDIGHI MOGHADAM, and GHASEM MOSAYEBI, “BK VIRUS (BKV) QUANTIFCATION IN URINE SAMPLES OF BONE MARROW TRANSPLANTED PATIENTS IS HELPFUL FOR DIAGNOSIS OF HEMORRHAGICCYSTITIS,” KOOMESH, vol. 9, no. 2 (26), pp. 155–161, 2008, [Online]. Available: https://sid.ir/paper/37087/en

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