Table 1: Analyses of human oocyte gene expression by RT-PCR.

Oocyte gene expression analyses by RT-PCR
Analyzed oocytesMaturity of oocytesExpression of genesFunctions of analyzed genesStudy

Four oocytes, forty-two embryosMII, non-fertilizedHigh expression of BRCA1, BRCA2, ATM, TP53, RB1, MNAD2, BUB1, APC, beta-actin in oocytes, but low in embryosGenes related to the preimplantation developmentWells et al., 2005 [17]

Four single oocytes, five embryosMII, non-fertilizedLDH-A, LDH-B, LDH-C expression in oocytes and embryosGenes encoding lactate dehydrogenase isozymes
SUMO-1, SUMO-2, SUMO-3 expression in oocytes and embryosSmall ubiquitin-like modifier isoforms Li et al., 2006 [18]

Oocytes from
From primordial follicles to MII oocytesNOBOX expression from primordial follicles to MII oocytesHomeobox genes encoding transcription factors
From primordial to early primary folliclesHOXA10 expression from primordial to early primary follicles
From primordial follicles to GV oocytes HOXB7 expression from primordial follicles to GV oocytes
GV oocytesHOXA7 expression in GV oocytes Huntriss et al.,
2006 [19]
MII oocytesHOXA1, HEX expression in MII oocytes
Cumulus cellsHOXC9, HOXC8, HOXC6, HOXA7, HOXA5, HOXA4 expression in cumulus cells