TY - GEN AU - McDowell,N AU - Zorn,A M AU - Crease,D J AU - Gurdon,J B TI - Activin has direct long-range signalling activity and can form a concentration gradient by diffusion SN - 0960-9822 PY - 1998///0203 KW - Activins KW - Animals KW - Blastocyst KW - physiology KW - Cell Differentiation KW - DNA-Binding Proteins KW - Diffusion KW - Fetal Proteins KW - Growth Substances KW - In Situ Hybridization KW - Inhibins KW - Mesoderm KW - cytology KW - RNA, Messenger KW - metabolism KW - Signal Transduction KW - T-Box Domain Proteins KW - Transcription Factors KW - Transforming Growth Factor beta KW - Xenopus KW - Brachyury Protein N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1016/s0960-9822(06)00294-6 ER -