Motility contrast imaging of live porcine cumulus-oocyte complexes

Ran An; John Turek; Zoltan Machaty; David Nolte

doi:10.1117/12.2004993

26 March 2013 Motility contrast imaging of live porcine cumulus-oocyte complexes

Ran An, John Turek, Zoltan Machaty, David Nolte

Proceedings Volume 8593, Optical Methods in Developmental Biology; 85930L (2013) https://doi.org/10.1117/12.2004993
Event: SPIE BiOS, 2013, San Francisco, California, United States

Abstract

Freshly-harvested porcine oocytes are invested with cumulus granulosa cells in cumulus-oocyte complexes (COCs). The cumulus cell layer is usually too thick to image the living oocyte under a conventional microscope. Therefore, it is difficult to assess the oocyte viability. The low success rate of implantation is the main problem for in vitro fertilization. In this paper, we demonstrate our dynamic imaging technique called motility contrast imaging (MCI) that provides a non-invasive way to monitor the COCs before and after maturation. MCI shows a change of intracellular activity during oocyte maturation, and a measures dynamic contrast between the cumulus granulosa shell and the oocytes. MCI also shows difference in the spectral response between oocytes that were graded into quality classes. MCI is based on shortcoherence digital holography. It uses intracellular motility as the endogenous imaging contrast of living tissue. MCI presents a new approach for cumulus-oocyte complex assessment.

Citation Download Citation

Ran An, John Turek, Zoltan Machaty, and David Nolte "Motility contrast imaging of live porcine cumulus-oocyte complexes", Proc. SPIE 8593, Optical Methods in Developmental Biology, 85930L (26 March 2013); https://doi.org/10.1117/12.2004993

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