- Increased transcription and increased messenger ribonucleic acid (mRNA) stability contribute to increased GATA6 mRNA abundance in polycystic ovary syndrome theca cells. Ho, C.K., Wood, J.R., Stewart, D.R., Ewens, K., Ankener, W., Wickenheisser, J., Nelson-Degrave, V., Zhang, Z., Legro, R.S., Dunaif, A., McAllister, J.M., Spielman, R., Strauss, J.F. J. Clin. Endocrinol. Metab. (2005)