Related Experiment Video
Updated: Jun 27, 2026

06:11
Monitoring Blood Glucose in Mouse Offspring After Intracytoplasmic Sperm Injection
Published on: May 17, 2024
Exploring the cytoskeleton during intracytoplasmic sperm injection in humans.
1Centro de Estudios en Ginecología y Reproducción (CEGyR), Buenos Aires, Argentina.
Methods in Molecular Biology (Clifton, N.J.)
|December 17, 2008
Summary
Investigating the cytoskeleton in human eggs and sperm during fertilization provides insights for improving infertility treatments. This study details methods for visualizing these crucial cellular structures.
Area of Science:
- Reproductive Biology
- Cell Biology
- Developmental Biology
Background:
- Mammalian fertilization involves complex cellular interactions, particularly concerning the oocyte and sperm cytoskeleton.
- Understanding these cytoskeletal dynamics is crucial for advancing human infertility treatments and animal reproductive efficiency.
Purpose of the Study:
- To describe methodologies for studying cytoskeletal features during in vitro fertilization (IVF) using intracytoplasmic sperm injection (ICSI) in humans.
- To provide detailed protocols for the immunodetection and imaging of cytoskeletal components in human gametes and zygotes.
Main Methods:
- Utilizing immunofluorescence techniques for cytoskeletal visualization.
- Employing confocal and epifluorescence microscopy for high-resolution imaging.
- Applying electron microscopy to examine ultrastructural details of the cytoskeleton.
Main Results:
- The chapter outlines established protocols for sample preparation, antibody staining, and image acquisition.
- Detailed methods enable the visualization of actin, tubulin, and other cytoskeletal proteins in oocytes, sperm, and zygotes.
- Successful application of these techniques allows for the analysis of cytoskeletal reorganization during fertilization.
Conclusions:
- The described methods offer a comprehensive approach to studying the mammalian fertilization process at the cytoskeletal level.
- These techniques are vital for research aimed at improving assisted reproductive technologies and understanding reproductive mechanisms.
Related Concept Videos
Studying the Cytoskeleton
The cytoskeletal architecture can be studied using different microscopic and biochemical techniques. Electron microscopy was instrumental in discovering the cytoskeletal architecture around the 1960s, which allowed obtaining structural information at a high-resolution level. However, the sample preparation procedure often limits this ability in biological samples. Several protocols have been developed over the years to optimize sample preparation. In one of the protocols known as rotary...
Fertilization
During fertilization, an egg and sperm cell fuse to create a new diploid structure. In humans, the process occurs once the egg has been released from the ovary, and travels into the fallopian tubes. The process requires several key steps: 1) sperm present in the genital tract must locate the egg; 2) once there, sperm need to release enzymes to help them burrow through the protective zona pellucida of the egg; and 3) the membranes of a single sperm cell and egg must fuse, with the sperm...
Meiosis II
Meiosis II is the second and final stage of meiosis. It relies on the haploid cells produced during meiosis I, each of which contain only 23 chromosomes—one from each homologous initial pair. Importantly, each chromosome in these cells is composed of two joined copies, and when these cells enter meiosis II, the goal is to separate such sister chromatids using the same microtubule-based network employed in other division processes. The result of meiosis II is two haploid cells, each containing...

