Abstract:
BACKGROUND:Oral and enteral mucositis due to high-dose cytostatic treatment administered during autologous and allogeneic stem-cell transplantation increases mortality. Salivary secretory immunoglobulin A (sIgA) is a basic pillar of local immunity in the first line of defense. Altered salivary sialoglycoprotein carbohydrates are important in the pathologies in the oral cavity including inflammation, infection and neoplasia. Therefore, we assessed whether changes in the salivary and serum IgA glycosylation correlated with development and severity of oral mucositis. METHODS:Using capillary electrophoresis, comparative analysis of serum and salivary IgA total N-glycans was conducted in 8 patients with autologous peripheral stem-cell transplantation (APSCT) at four different stages of transplantation (day -3/-7, 0, +7, +14) and in 10 healthy controls. RESULTS:Fourteen out of the 31 structures identified in serum and 6 out of 38 in saliva showed significant changes upon transplantation compared with the control group. Only serum core fucosylated, sialylated bisecting biantennary glycan (FA2BG2S2) showed significant differences between any two stages of transplantation (day -3/-7 and day +14; p = 0.0279). CONCLUSION:Our results suggest that changes in the serum IgA total N-glycan profile could serve as a disease-specific biomarker in patients undergoing APSCT, while analysis of salivary IgA N-glycan reflects the effect of APSCT on local immunity.
journal_name
J Clin Medjournal_title
Journal of clinical medicineauthors
Gebri E,Kovács Z,Mészáros B,Tóth F,Simon Á,Jankovics H,Vonderviszt F,Kiss A,Guttman A,Hortobágyi Tdoi
10.3390/jcm9061747subject
Has Abstractpub_date
2020-06-05 00:00:00issue
6issn
2077-0383pii
jcm9061747journal_volume
9pub_type
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