Review Article

To Live or to Die: Prosurvival Activity of PPAR in Cancers

Table 4

PPAR expression in human tumor versus normal tissues.

Tumor versus normal tissueNo. of casesReferences

Overexpression
Prostate cancer/prostatic intraepithelial neoplasia156/15[13]
Renal cell carcinoma126[14]
Nonsmall-cell lung carcinoma22[15]
Hepatocellular carcinoma/lymph node metastasis20/6[16]
Squamous cell carcinoma20[17]
Metastatic breast adenocarcinoma6[20]
Infiltrating ductal breast adenocarcinoma3[18]
Papillary thyroid carcinoma6 [19]
Increased expression during tumor progression
Breast adenocarcinoma1 [20]
Ovarian carcinoma28 versus 28 [21]
Urinary bladder carcinoma100 versus 70 [22]
Pancreatic ductal adenocarcinoma45 versus 84 [23]
Similar expression
Colorectal adenocarcinoma11[24]
Gastric adenocarcinoma12[25]
Liposarcoma13[26]
Adrenocortical tumors32[27]

(a) Of the six papillary carcinoma tissues, three expressed PPAR mRNA.
(b) The primary and metastatic breast cancer cell lines were derived from a single patient.
(c) Normal, benign, or borderline versus malignant tumors (grades 1, 2, and 3).
(d) Lower (≤pT1) versus higher (≥pT2) tumor stages.
(e) Lower (pT1 & pT2) versus higher (pT3 & pT4) tumor stages.