High Expression of WT1 and Low Expression of p53 in Archived Blocks of Children with Wilms Tumor in South Western Uganda

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dc.contributor.authorSsenkumba, Brian
dc.contributor.authorAtwiine, Barnabas
dc.contributor.authorMitala, Yekosani
dc.contributor.authorAdongo, Janet
dc.contributor.authorOlowo, Samuel
dc.contributor.authorNabulya, Rita
dc.contributor.authorDiaz Anaya, Amnia
dc.contributor.authorAtwine, Raymond
dc.date.accessioned2024-03-18T13:45:28Z
dc.date.available2024-03-18T13:45:28Z
dc.date.issued2024-03
dc.description.abstractAbstract Brian Ssenkumba,1 Barnabas Atwiine,2,3 Yekosani Mitala,1 Janet Adongo,4 Samuel Olowo,4 Rita Nabulya,1 Amnia Diaz Anaya,1 Raymond Atwine1 1Department of Pathology, Mbarara University of Science and Technology, Mbarara, Uganda; 2Department of Paediatrics and Child Health, Mbarara University of Science and Technology, Mbarara, Uganda; 3Department of Paediatrics and Child Health, Mbarara Regional Referral Hospital, Mbarara, Uganda; 4Department of Nursing, Mbarara University of Science and Technology, Mbarara, UgandaCorrespondence: Brian Ssenkumba, Department of Pathology, Mbarara University of Science and Technology, P.O. BOX 1410, Mbarara, Uganda, Tel +256701364029, Email ssenkumbabrianldp15@gmail.comPurpose: The determination of the presence or absence of anaplasia in Wilms tumor is difficult sometimes creating diagnostic errors and is worsened by the use of neoadjuvant chemotherapy, which causes cellular alterations that may mimic anaplasia. This study described the histological features of Wilms tumor and their association with WT1 and p53 expression in archived specimens in South Western Uganda.Patients and Methods: A series of 308 formalin-fixed paraffin-embedded tissue blocks belonging to 85 children were retrospectively recruited in the only public Histopathology laboratory in South Western Uganda. Rabbit monoclonal Anti-Wilms tumor protein antibody [(CAN-R9) IHC-56-2] ab89901 and rabbit monoclonal Anti-p53 antibody [E26] ab32389 were used to assess the expression of WT1 and p53, respectively. The expression of WT1 and p53 were reported as proportions, Chi-square was also performed to assess for associations and statistical significance was considered when the p-value was less than 0.05.Results: The median age was 3.5 with an interquartile range of (2– 6) years. Mixed histology was the most common at 35.29% (95% CI:25.77– 46.14). Anaplasia was present in 5.88% (95% CI:2.44– 13.52) of the specimens. p53 and WT1 expressions were 13.0% (95% CI:7.25– 22.04), and 41.0% (95% CI: 31.11– 52.04), respectively. Conclusion: Mixed-type histology is the most common histologic feature of Wilms tumor with high expression of WT1 and a low expression of p53 implying that these can be used routinely to confirm the diagnosis as well as anaplasia in South Western Uganda. Keywords: children, Wilms tumor, p53, WT1, South Western Ugandaen_US
dc.identifier.citationSsenkumba, Brian, Barnabas Atwiine, Yekosani Mitala, et al. 'High Expression of WT1 and Low Expression of p53 in Archived Blocks of Children with Wilms Tumor in South Western Uganda', Cancer Management and Research, vol. 16/(2024), pp. 127-136.en_US
dc.identifier.issnEISSN 1179-1322
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/9451
dc.language.isoenen_US
dc.publisherDoveen_US
dc.subjectchildren, Wilms tumor, p53, WT1, South Western Ugandaen_US
dc.titleHigh Expression of WT1 and Low Expression of p53 in Archived Blocks of Children with Wilms Tumor in South Western Ugandaen_US
dc.typeArticleen_US
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