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Fig. 2. Unsupervised analysis of mouse mammary gland development. (A)
The developmental dataset including virgin (V) at 10 weeks and 12 weeks of
age, pregnancy (P) at 1, 2, 3, 8.5, 12.5, 14.5 and 17.5 days post coitum,
lactation (Lac) at 1, 3 and 7 days following partition, and involution (Inv)
samples at days 1-4 and 20 following weaning were used in unsupervised
clustering. The various clusters denoting involution, lactation, early and
late pregnancy that were used in a search of gene ontology are indicated on
the right and are denoted A-D. (B) The pubertal dataset including
samples from 3 to 7 weeks of development, as also used in unsupervised
clustering.