Noureddine Louanjli, Soukaina Azil, Yassmine Louanjli, Noureddine Louanjli, Moncef Benkhalifa, Bouchra Ghazi
This comprehensive scientific review, published in the Canadian Journal of Urology and authored by a team including IRIFIV Fertility Center's director Dr. Noureddine Louanjli, delves into the fundamental biological choreography of mammalian fertilization. It synthesizes current knowledge on the intricate molecular dialogue between sperm and egg, from initial recognition to the critical event of oocyte activation that initiates embryo development.
The clinical relevance of this work is central to understanding and treating certain forms of male infertility, particularly fertilization failure in cycles of Intracytoplasmic Sperm Injection (ICSI). The review highlights key sperm-derived factors like Phospholipase C zeta (PLCζ) and PAWP, which are essential for triggering the calcium oscillations that "awaken" the egg. Deficiencies in these factors can lead to total fertilization failure even with normal-looking sperm. For patients at IRIFIV and other fertility clinics, this research provides the scientific basis for advanced diagnostic tests that assess oocyte activation capacity and informs potential treatments, such as assisted oocyte activation (AOA). By integrating this level of molecular understanding into clinical practice, IRIFIV reinforces its commitment to addressing the most complex causes of infertility at their root.
Noureddine Louanjli, Soukaina Azil, Yassmine Louanjli, Noureddine Louanjli, Moncef Benkhalifa, Bouchra Ghazi
This comprehensive scientific review, published in the Canadian Journal of Urology and authored by a team including IRIFIV Fertility Center's director Dr. Noureddine Louanjli, delves into the fundamental biological choreography of mammalian fertilization. It synthesizes current knowledge on the intricate molecular dialogue between sperm and egg, from initial recognition to the critical event of oocyte activation that initiates embryo development.
The clinical relevance of this work is central to understanding and treating certain forms of male infertility, particularly fertilization failure in cycles of Intracytoplasmic Sperm Injection (ICSI). The review highlights key sperm-derived factors like Phospholipase C zeta (PLCζ) and PAWP, which are essential for triggering the calcium oscillations that "awaken" the egg. Deficiencies in these factors can lead to total fertilization failure even with normal-looking sperm. For patients at IRIFIV and other fertility clinics, this research provides the scientific basis for advanced diagnostic tests that assess oocyte activation capacity and informs potential treatments, such as assisted oocyte activation (AOA). By integrating this level of molecular understanding into clinical practice, IRIFIV reinforces its commitment to addressing the most complex causes of infertility at their root.
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IRIFIV is a multidisciplinary fertility center in Casablanca, Morocco, specializing in IVF and ICSI. Since 1992, over 32 years of expertise and thousands of successful births demonstrate our commitment. We offer all techniques to evaluate and treat infertility with a personalized approach, multidisciplinary team, latest technology, complementary therapies, scientific research, teaching, professional development, and international collaboration.

Fondé en 1992, avec plus de 34 ans d’expérience et des milliers de bébés nés, IRIFIV Casablanca est le premier centre structuré marocain de procréation médicalement assistée et l’un des centres de fertilité et FIV les plus reconnus à Casablanca et au Maroc. La clinique est spécialisée dans tous les cas d’infertilité, y compris les cas complexes. Nous utilisons des technologies et équipements de dernière génération, dont certains uniques au Maroc. IRIFIV et le laboratoire Labomac constituent un terrain de stage pratique en FIV dans le cadre du Diplôme Universitaire de Biologie et Génétique de la Reproduction de l’Université Mohammed VI des Sciences de la Santé, et sont actifs en recherche, formation médicale et collaborations internationales.
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