Journal Pre-proof Ca 2+ signaling in mammalian spermatozoa Maya Finkelstein, Nir Etkovitz, Haim Breitbart PII: S0303-7207(20)30253-7 DOI: https://doi.org/10.1016/j.mce.2020.110953 Reference: MCE 110953 To appear in: Molecular and Cellular Endocrinology Received Date: 8 March 2020 Revised Date: 8 June 2020 Accepted Date: 20 July 2020 Please cite this article as: Finkelstein, M., Etkovitz, N., Breitbart, H., Ca 2+ signaling in mammalian spermatozoa, Molecular and Cellular Endocrinology (2020), doi: https://doi.org/10.1016/ j.mce.2020.110953. This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier B.V.