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Objective Biomarkers of Sperm Development and Fertility: Assessment of Sperm-Zona Pellucida Binding Ability and Hyaluronic Acid-Mediated Selection of Sperm for ICSI Fertilization

Chapter

Abstract

This chapter summarizes the scientific and clinical utility of the nuclear and cytoplasmic sperm biomarkers in the diagnosis and treatment of male infertility. These biomarkers were developed and used by the Yale Sperm Physiology Laboratory in the past 15 years. These biomarkers tested and were proven to reflect the degree of sperm development and fertilizing potential, including cytoplasmic retention measured by sperm creatine kinase content, chromatin structure, the key factor of HSPA2 chaperon protein concentration, DNA chain integrity, chromosomal aneuploidies, sperm head and tail shape and length, and most important, spermiogenetic remodeling of the plasma membrane that is the basis of the sperm-hyaluronic acid-binding assay in the Andrology Laboratory, and of the hyaluronic acid-mediated ICSI sperm selection in the Embryology laboratory. Some aspects of ICSI sperm selection by sperm shape combined with high magnification are also discussed.

Keywords

Hyaluronic Acid Zona Pellucida Sperm Chromatin Chromosomal Aneuploidy Sperm Selection 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

The multiple contributions of Leyla Sati, Ph.D. to the editorial aspects of this article are greatly appreciated.

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Additional Reading

  1. Huszar G, Patrizio P, et al. Cytoplasmic extrusion and the switch from creatine kinase B to M isoform are completed by the commencement of epididymal transport in human and stallion spermatozoa. J Androl. 1998;19(1):11–20.PubMedGoogle Scholar

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© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Sperm Physiology Laboratory, Department of Obstetrics, Gynecology, and Reproductive SciencesYale School of MedicineNew HavenUSA

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