Sarkar et al. Table I

TABLE I

The Expression of MMTV and jun B RNA in Mouse, Rat, and Human Mammary Tissue


Source of Mammary Tissue Type of Tissue RNA Levels (a)
Mouse Strain (b) age (c)
MMTV jun B
BALB/C 4 N (d) 2+ 3+

8 N 2+ 3+
BALB/cfC3H 6 (e) N 2+ 3+


T1 2+ 3+


T2 2+ 3+
C3H/HeJ 6 N 1+ 2+
C3H/OuJ 4 N 1+ 2+

8 N 1+ 2+

10 N 1+ 2+
C57BL 4 N - 2+

8 N - 2+
C57BLfGR 4 N 1+ 2+

6 (d) N 1+ 3+

8 N 2+ 3+
R III 4 N 1+ 2+

6 (d) N 2+ 3+


T1 2+ 3+


T2 2+ 4+
GR
T 2+ 4+
JYG
T 2+ 2+


T1 1+ 2+


T2 2+ 1+


T3 2+ 3+


T4 1+ 1+


T5 1+ 2+


T6 1+ 2+


T7 2+ 2+


T8

WLCO 4 N - -

9 N - 1+
Rat 4 N - 1+


T1 - 2+


T2 - 2+


T3 - 2+
Human
T1 - 1+


T2 - 2+


T3 - 2+


T4 - 2+


T5 - 3+


(a) 4+, 3+, 2+, 1+, and - indicate very high, high, medium, low, and absence of RNA expression, respectively.
(b) See Materials and Methods section for description of mouse strains.
(c) age in months
(d) N = normal gland, T = tumor
(e) lactating mammary gland