. 2013 Aug 21;8(8):e70393. doi: 10.1371/journal.pone.0070393

Table 5. Expression changes of milk protein genes during the two stages of lactogenesis.

Gene	Description	TPM (−35 d)	TPM (−7 d)	TPM (3 d)	log₂ Ratio (−7/−35)	log₂ Ratio (+3/−7)
gi\|31341749\|ref\|NM_174528.2\|	Casein alpha –S2 (CSN1S2)	22.49	304.12	10389.3	3.76	5.09
gi\|31342165\|ref\|NM_174378.2\|	Lactalbumin alpha (LALBA)	3.72	198.63	5224.76	5.74	4.72
gi\|31341348\|ref\|NM_181029.2\|	Casein alpha s1 (CSN1S1)	578.92	10599.41	80620.84	4.19	2.93
gi\|31341343\|ref\|NM_181008.2\|	Casein beta (CSN2)	735.32	12496.16	64462.97	4.09	2.37
gi\|27881411\|ref\|NM_174294.1\|	Casein kappa (CSN3)	1390.84	4109.25	13441.57	1.56	1.71

Note: TPM (Transcripts Per Million clean tags) is a standardized indicator that specifies the number of transcript copies in every one million clean tags.