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001-es BibID:BIBFORM112825
035-os BibID:(scopus)85147895385 (cikkazonosító)2581 (wos)000929746800001
Első szerző:Bádon Emese Sarolta (orvos)
Cím:Carbonic Anhydrase IX Expression and Treatment Response Measured in Rectal Adenocarcinoma Following Neoadjuvant Chemo-Radiotherapy / Bádon Emese Sarolta, Beke Lívia, Mokánszki Attila, András Csilla, Méhes Gábor
Dátum:2023
ISSN:1422-0067
Megjegyzések:The overexpression of the pH regulator carbonic anhydrase IX (CAIX) due to hypoxic/metabolic stress was reported in various tumors as an adverse prognostic feature. Our retrospective study aimed to investigate the general pattern and dynamics of CAIX expression in rectal adenocar- cinoma following preoperative neoadjuvant therapy (NAT) in matched initial biopsy and surgical resection samples. A total of 40/55 (72.72%) of the post-treatment samples showed partial CAIX expression, frequently in the proximity of hypoxic tumor areas. CAIX expression showed a significant increase in post-treatment tumors (mean% 21.8 ? 24.9 SD vs. 39.4 ? 29.4 SD, p < 0.0001), that was not obvious in untreated tumors (mean% 15.0 ? 21.3 SD vs. 20 ? 23.02, p = 0.073). CAIXhigh phenotype was associated with mutant KRAS status and lack of pathological regression (WHO Tumor Regression Grade 4 and 5). However, the adverse effect of CAIX on overall or progression-free survival could not be statistically confirmed. In conclusion, the dynamic upregulation of CAIX expression is a general feature of rectal adenocarcinoma following neoadjuvant chemo-radiotherapy indicating therapy-induced metabolic reprogramming and cellular adaptation. A synergism of the CAIX-associated regulatory pathways and the mutant KRAS oncogenic signaling most likely contributes to therapy resistance and survival of residual cancer.
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
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Megjelenés:International Journal Of Molecular Sciences. - 24 : 3 (2023), p. 1-16. -
További szerzők:Beke Lívia Mokánszki Attila (1983-) (molekuláris biológus Ph.D hallgató) András Csilla (1961-) (onkológus szakorvos) Méhes Gábor (1966-) (patológus)
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