Table 2.

TIF1α is detected in a large variety of epithelia

Epithelia	Signal	Figure
Cardiovascular system
Myocardium	0
Arteries and veins (endothelium and smooth muscles)	0	Fig. 3C
Capillaries (endothelium)	0
Respiratory system
Tracheal epithelium and cartilage	0
Alveolar epithelium	0
Digestive system
Esophagus (epithelium)	+
Stomach (epithelium of fundic glands)	+
Ileum (epithelium)	+
Colon (epithelium)	+	SI Fig. 4D
Liver parenchyma	+
Pancreas (exocrine)	+	SI Fig. 4E
Urinary system
Kidney glumeruli (Bowman's capsules)	+	Fig. 3C
Kidney tubules	+	Fig. 3B and C
Urinary bladder epithelium	+
Genital system
Testis		SI Fig. 4A
Sertoli cells	+ +
Spermatocytes	0 (PR) to + + (D)
Round spermatids	+ + +
Leydig cells	0
Epididymis (epithelium of the head)	+ +	SI Fig. 4C
Epididymis (epithelium of the tail)	0
Vas deferens (epithelium)	+ +
Cranial prostate (epithelim)	+ +
Granulosa cells	+	SI Fig. 4I
Oocytes	0
Oviduct (epithelium)	+ +	SI Fig. 4K
Uterus (epithelium and glands)	+ +	SI Fig. 4J
Uterus (stroma)	+	SI Fig. 4J
Endocrine glands
Pancreas (Langerhans cells)	+	SI Fig. 4E
Parathyroid glands	+	SI Fig. 4G
Thyroid gland	0
Adrenal gland (cortex and medulla)	+
Miscellaneous connective tissues
White and brown adipose tissue	0
Striated muscle (oesophagus)	0
Skin (epidermis and dermis)	0

Connective tissues are not stained with the anti-TIF1α antibody with the notable exception of the uterine stroma. Note that tissues of age-matched TIF1α^−/− mutants were used as negative controls. PR and D, preleptotene and diplotene spermatocytes, respectively. 0, absence of nuclear immunofluorescent signal. +, ++, and +++ indicate increasing intensities of nuclear immunofluorescent signals.