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The Xenopus embryo is a classical vertebrate model for molecular, cellular, and developmental biology. Despite many advantages of this organism, such as large egg size and external development, imaging of early embryonic stages is challenging because of nontransparent cytoplasm. Staining and imaging of thin tissue sections is one way to overcome this limitation. Here we describe a step-by-step protocol that combines cryosectioning of gelatin-embedded embryos with immunostaining and imaging. The purpose of this protocol is to examine various cellular and tissue markers after the manipulation of protein function. This protocol can be performed within a 2-d period and allows detection of many antigens by immunofluorescence.
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Xenbase
Chalmers,
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