Genomic instability after allogeneic hematopoietic cell transplantation is frequent in oral mucosa, particularly in patients with a history of chronic graft-versus-host disease, and rare in nasal mucosa

Genomic instability (GI) of cells may lead to their malignant transformation. Carcinoma after hematopoietic cell transplantation (HCT) frequently involves some (eg, oral) but not other (eg, nasal) epithelia. We examined GI in oral and nasal mucosal specimens from 105 subjects, including short-term (...

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Veröffentlicht in:Blood 2010-09, Vol.116 (10), p.1803-1806
Hauptverfasser: Khan, Faisal M., Sy, Sarah, Louie, Polly, Ugarte-Torres, Alejandra, Berka, Noureddine, Sinclair, Gary D., Stewart, Douglas A., Russell, James A., Storek, Jan
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container_end_page 1806
container_issue 10
container_start_page 1803
container_title Blood
container_volume 116
creator Khan, Faisal M.
Sy, Sarah
Louie, Polly
Ugarte-Torres, Alejandra
Berka, Noureddine
Sinclair, Gary D.
Stewart, Douglas A.
Russell, James A.
Storek, Jan
description Genomic instability (GI) of cells may lead to their malignant transformation. Carcinoma after hematopoietic cell transplantation (HCT) frequently involves some (eg, oral) but not other (eg, nasal) epithelia. We examined GI in oral and nasal mucosal specimens from 105 subjects, including short-term (7-98 days, n = 32) and long-term (4-22 yrs, n = 25) allogeneic HCT survivors. Controls included autologous HCT survivors (n = 11), patients treated with chemotherapy without HCT (n = 9) and healthy controls (n = 27). GI was detected in 60% oral versus only 4% nasal specimens in long-term allogeneic HCT survivors (P < .001). None of the controls showed GI. In oral specimens, GI was significantly associated with history of oral chronic graft-versus-host disease (cGVHD). We conclude that GI after HCT is frequent in some (oral) but rare in other (nasal) epithelia. This may explain why some epithelia (especially those involved with cGVHD) are prone to develop cancer.
doi_str_mv 10.1182/blood-2009-10-249201
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subjects Adolescent
Adult
Aged
Biological and medical sciences
Chronic Disease
Female
Genomic Instability
Graft vs Host Disease - etiology
Hematologic and hematopoietic diseases
Hematopoietic Stem Cell Transplantation - adverse effects
Hematopoietic Stem Cell Transplantation - methods
Humans
Leukemia - surgery
Lymphoma - surgery
Male
Medical sciences
Middle Aged
Mouth Mucosa - metabolism
Mouth Mucosa - pathology
Nasal Mucosa - metabolism
Nasal Mucosa - pathology
Neoplasms, Second Primary - diagnosis
Neoplasms, Second Primary - etiology
Neoplasms, Second Primary - genetics
Time Factors
Transplantation, Homologous
Young Adult
title Genomic instability after allogeneic hematopoietic cell transplantation is frequent in oral mucosa, particularly in patients with a history of chronic graft-versus-host disease, and rare in nasal mucosa
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