Table 1.

HHLA2 protein expression in normal human organs assessed by immunohistochemistry on tissue microarrays

Normal tissues (number positive/total cores analyzed)
Placenta (3/3) (trophoblastic cells)Colon (3/3) (epithelial cells)Breast (3/3) (ductal epithelium)
Small intestine (2/2) (epithelial cells)Kidney (4/5) (tubular epithelium)Gallbladder (5/11) (epithelial cells)
Adrenal gland (0/2)Aorta (0/2)Brain (0/7)
Esophagus (0/2)Larynx (0/9)Liver (0/3)
Lung (0/3)Lymph node (0/12)Ovary (0/1)
Pancreas (0/2)Prostate (0/3)Skin (0/3)
Spleen (0/3)Stomach (0/3)Subcutis (0/2)
Thymus (0/2)Thyroid (0/2)Tonsils (0/2)
Umbilical cord (0/2)Uterine cervix (0/4)Uterus (0/9)