מרית מכשיר מונטווידאו לזיגוג של עוברי יונקים

Overview

This article presents the Spatula Montevideo protocol for vitrifying mouse and sheep pre-implantation embryos. The method involves using a homemade spatula and solutions to rapidly equilibrate embryos in cryoprotectants before immersion in liquid nitrogen.

Key Study Components

Area of Science

• Embryo Vitrification
• Reproductive Biology
• Cryopreservation Techniques

Background

• Vitrification is a method used to preserve embryos.
• It involves rapid cooling to prevent ice crystal formation.
• The protocol is designed for both mouse and sheep embryos.
• Homemade tools and solutions are utilized for cost-effectiveness.

Purpose of Study

• To develop an efficient vitrification protocol for pre-implantation embryos.
• To assess the viability of embryos post-vitrification.
• To provide a reproducible method for researchers in reproductive biology.

Methods Used

• Preparation of cryoprotectant solutions of increasing concentration.
• Loading embryos onto a homemade spatula.
• Immersion of the spatula in liquid nitrogen.
• Sealing embryos in a 0.5 mL straw for storage.

Main Results

• Successful vitrification of mouse and sheep embryos.
• High survival rates observed after thawing.
• Protocol demonstrated reproducibility across trials.
• Homemade tools proved effective for embryo handling.

Conclusions

• The Spatula Montevideo protocol is a viable method for embryo vitrification.
• Utilizing homemade solutions and tools can reduce costs.
• This method can be adopted by researchers for various species.

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