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- Title
Role of chromatin assembly factor-1/p60 and poly [ADP-ribose] polymerase 1 in mycosis fungoides.
- Authors
Mascolo, Massimo; Travaglino, Antonio; Varricchio, Silvia; Russo, Daniela; Sabattini, Elena; Agostinelli, Claudio; Bertuzzi, Clara; Baldo, Antonello; Pileri, Alessandro; Picardi, Marco; Pane, Fabrizio; Staibano, Stefania
- Abstract
Mycosis fungoides (MF) represents the most common type of cutaneous lymphoma. In the majority of patients, the disease has a slow evolution and a protracted course; however, a subset of patients shows poor oncologic outcomes. Unfortunately, there are no reliable prognostic markers for MF, and the currently available treatments are only effective in a minority of patients. This study aimed to evaluate the expression and clinical significance of PARP-1 and CAF-1/p60 in MF. Sixty-four MF representatives of the different stages of disease were assessed by immunohistochemistry for PARP-1 and CAF-1/p60. The association of PARP-1 and CAF-1/p60 with the MF stage and outcome was assessed by using Fisher's exact test and Kaplan-Meier survival analysis with the Log-rank test; a p value < 0.05 was considered significant. PARP-1 was overexpressed in 57.9% of MF and was significantly associated with a MF stage > II (p = 0.034) but not with the risk of death (p = 0.237). CAF-1/p60 was overexpressed in 26.8% of MF and was significantly associated with decreased overall survival (p < 0.001) but not with the MF stage (p = 1). A significant association was found between PARP-1 overexpression and CAF-1/p60 overexpression (p = 0.0025). Simultaneous overexpression of PARP-1 and CAF-1/p60 was significantly associated with decreased overall survival (p < 0.001), although less strongly than CAF-1/p60 alone (χ2 = 14.916 vs 21.729, respectively). In MF, PARP-1 is overexpressed in advanced stages, while CAF-1/p60 is overexpressed in the cases with shorter overall survival, appearing as a significant prognostic marker. A role for PARP-1 inhibitors and anti-CAF-1/p60 targeted therapy may be reasonably hypothesized in MF.
- Subjects
POLY ADP ribose; MYCOSIS fungoides; POLY(ADP-ribose) polymerase; CHROMATIN; FISHER exact test; LOG-rank test
- Publication
Virchows Archiv: European Journal of Pathology, 2021, Vol 478, Issue 5, p961
- ISSN
0945-6317
- Publication type
journal article
- DOI
10.1007/s00428-020-02952-z