Loss of SPINK1 expression is associated with unfavorable outcomes in urothelial carcinoma of the bladder after radical cystectomy
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Loss of SPINK1 expression is associated with unfavorable outcomes in urothelial carcinoma of the bladder after radical cystectomy. / Rink, Michael; Park, Kyung; Volkmer, Björn G; Xylinas, Evanguelos; Hansen, Jens; Cha, Eugene K; Robinson, Brian D; Hautmann, Richard; Küfer, Rainer; Engel, Oliver; Chun, Felix K; Dahlem, Roland; Rubin, Mark A; Shariat, Shahrokh F; Mosquera, Juan Miguel.
In: UROL ONCOL-SEMIN ORI, Vol. 31, No. 8, 01.11.2013, p. 1716-24.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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T1 - Loss of SPINK1 expression is associated with unfavorable outcomes in urothelial carcinoma of the bladder after radical cystectomy
AU - Rink, Michael
AU - Park, Kyung
AU - Volkmer, Björn G
AU - Xylinas, Evanguelos
AU - Hansen, Jens
AU - Cha, Eugene K
AU - Robinson, Brian D
AU - Hautmann, Richard
AU - Küfer, Rainer
AU - Engel, Oliver
AU - Chun, Felix K
AU - Dahlem, Roland
AU - Rubin, Mark A
AU - Shariat, Shahrokh F
AU - Mosquera, Juan Miguel
N1 - Copyright © 2013 Elsevier Inc. All rights reserved.
PY - 2013/11/1
Y1 - 2013/11/1
N2 - BACKGROUND: We assessed the association of serine protease inhibitor Kazal type I (SPINK1) expression with clinicopathologic outcomes in urothelial carcinoma of the bladder (UCB) patients treated with radical cystectomy (RC).MATERIALS AND METHODS: Tissue microarrays comprising 438 consecutive UCB patients treated with RC between 1988 and 2003 and 62 cases of normal urothelium controls were evaluated for SPINK1 protein expression by immunohistochemistry (IHC). Semiquantitative evaluation was performed by 2 pathologists blinded to clinical outcomes (loss of expression: <50% cells or intensity 0-2).RESULTS: In normal urothelium, SPINK1 expression was noted in umbrella cells of 32 of 62 controls (52%); 254 RC patients (57.9%) exhibited loss of SPINK1 expression. Loss of SPINK1 expression was significantly associated with higher pathologic stages (P = 0.002) and presence of lymph node metastasis (P = 0.04). At a median follow-up of 130 months (IQR: 98.4), loss of SPINK1 expression was associated with an increased risk of disease recurrence (P = 0.02) and cancer-specific mortality (P = 0.03). On multivariable analysis that adjusted for the effects of standard clinicopathologic parameters, SPINK1 was not an independent predictor of disease recurrence (P = 0.09) or cancer-specific mortality (P = 0.12).CONCLUSIONS: Over half of UCB patients treated with RC exhibit loss of SPINK1 expression. Loss of SPINK1 correlates with features of biologically aggressive UCB. Although SPINK1 expression did not have independent prognostic value in RC patients, it may serve as a biomarker for tumor staging and may be useful as an adjunct in clinical decision-making.
AB - BACKGROUND: We assessed the association of serine protease inhibitor Kazal type I (SPINK1) expression with clinicopathologic outcomes in urothelial carcinoma of the bladder (UCB) patients treated with radical cystectomy (RC).MATERIALS AND METHODS: Tissue microarrays comprising 438 consecutive UCB patients treated with RC between 1988 and 2003 and 62 cases of normal urothelium controls were evaluated for SPINK1 protein expression by immunohistochemistry (IHC). Semiquantitative evaluation was performed by 2 pathologists blinded to clinical outcomes (loss of expression: <50% cells or intensity 0-2).RESULTS: In normal urothelium, SPINK1 expression was noted in umbrella cells of 32 of 62 controls (52%); 254 RC patients (57.9%) exhibited loss of SPINK1 expression. Loss of SPINK1 expression was significantly associated with higher pathologic stages (P = 0.002) and presence of lymph node metastasis (P = 0.04). At a median follow-up of 130 months (IQR: 98.4), loss of SPINK1 expression was associated with an increased risk of disease recurrence (P = 0.02) and cancer-specific mortality (P = 0.03). On multivariable analysis that adjusted for the effects of standard clinicopathologic parameters, SPINK1 was not an independent predictor of disease recurrence (P = 0.09) or cancer-specific mortality (P = 0.12).CONCLUSIONS: Over half of UCB patients treated with RC exhibit loss of SPINK1 expression. Loss of SPINK1 correlates with features of biologically aggressive UCB. Although SPINK1 expression did not have independent prognostic value in RC patients, it may serve as a biomarker for tumor staging and may be useful as an adjunct in clinical decision-making.
U2 - 10.1016/j.urolonc.2012.06.011
DO - 10.1016/j.urolonc.2012.06.011
M3 - SCORING: Journal article
C2 - 22944196
VL - 31
SP - 1716
EP - 1724
JO - UROL ONCOL-SEMIN ORI
JF - UROL ONCOL-SEMIN ORI
SN - 1078-1439
IS - 8
ER -