The expression of apolipoproteina1 and its correlation with infiltration of urologic neoplasm

To explore the differential expression of apolipoproteinA1 (APOA1) in urologic neoplasm patient compared with controls, as well as investigates whether APOA1 correlated with infiltration of urologic neoplasm.

A total of 59 tissue sections of surgically-resected urologic neoplasm and 6 cases of normal tissue sections were collected. Fourteen cases of urine samples from transitional cell carcinoma patients and 6 cases urine samples from controls were also applied in this experiment. We also selected 6 cases of fresh bladder transitional cell carcinoma tissues. The urologic neoplasm tissue sections were classified into infiltration and non-infiltration urologic neoplasm groups. The expressions of APOA1 between urologic neoplasm and normal control were detected by Western blot, Immunohistochemistry and qRT-PCR. The method of Immunohistochemistry was applied to examine the differences of APOA1 expression between infiltration and non-infiltration urologic neoplasm tissue section groups.

Compared with none expression in normal controls, APOA1 was exhibited higher level in urologic neoplasm patient's urine and fresh bladder transitional cell carcinoma tissues (P<0.05). There were statistical differences of APOA1 between infiltration and non-infiltration urologic neoplasm tissue section groups. APOA1 expressions were found to be up-regulated in the infiltration neoplasm tissue sections compared to non-infiltration group (P<0.001).

APOA1 could act as a valuable biomarker for predicting the occurrence and development of urologic neoplasm.