... differentiation programs. Here, we show the requirement of the homeobox transcription factor gene TGIF1 for ovarian development in the chicken embryo. TGIF1 is expressed in the two principal ovarian somatic cell populations: the cortex and the pre-granulosa cells of the medulla. TGIF1 expression is associated...

... of Hox proteins in the developing spinal cord, restricted to B cluster Hox genes. We found that members of the HoxB cluster are expressed in the trunk neural tube of chicken embryo earlier than Hox from the other clusters, with poor antero-posterior axial specificity and with overlapping expression...

... a paradigm in which to investigate organogenesis given that there are two possible outcomes, ovaries and testes, which arise from a common anlagen and cell lineages. Ovary differentiation Oestrogen Gonadal chimera Chicken embryo Sex determination Summary: Cell-autonomous sex identity does...

...María Victoria Gómez-Gaviro; Evan Balaban; Diana Bocancea; María Teresa Lorrio; Maria Pompeiano; Manuel Desco; Jorge Ripoll; Juan José Vaquero The CUBIC tissue-clearing protocol has been optimized to produce translucent immunostained whole chicken embryos and embryo brains. When combined...

... crossing Chicken embryo Spinal cord development The establishment of functional circuits in the developing nervous system relies on the correct pathfinding of axons to their target cells, where they form synapses. On their journey, axons are guided by attractant or repellent guidance cues...

..., UK 31 10 2008 © 2009. 2009 Chicken embryo Placode Nasal capsule FGF8 Craniofacial TuJ1 PAX7 Lateral nasal prominence The cranial placodes are focal thickenings of the ectoderm and include the olfactory, lens, otic, trigeminal, hypophyseal, lateral line...

.... Biol . 9 , 1304 -1314. Ashique, A. M., Fu, K. and Richman, J. M. ( 2002 ). Signalling via type IA and type IB bone morphogenetic protein receptors (BMPR) regulates intramembranous bone formation, chondrogenesis and feather formation in the chicken embryo. Int. J. Dev. Biol . 46 , 243 -253...

... of Biologists 1998 Smooth muscle Gut Chicken embryo FKBP FK506 Differential display Smooth muscles exist in vascular and digestive systems in vertebrates and bring about involuntary movement of these systems. Although the smooth muscle and the skeletal muscle share common muscular...

... induce the dorsal part of the neural tube ( Goulding et al., 1993 ). chicken embryo homeobox spinal cord notochord expression Sax1 ( CHox3 ) © 1994 by Company of Biologists 1994 15 04 1994 † Present address: CVRC, MGH-East 4, Thirteen Street Bldg. 149. Charleston...

... of Biologists 1993 lumbar spinal cord brachial spinal cord apoptosis motoneuron chicken embryo Regions of the mature spinal cord situated at different rostro-caudal levels show clear differences in morphology and peripheral and central connectivity. The determination of these differences...

...Merja Bläuer; Juhani Kohonen; Ilkka Leivonen; Pekka Vilja; Pentti Tuohimaa ABSTRACT Antibodies against synthetic peptides selected from the amino acid sequences of human inhibin α- and β β β A -subunits were used to examine the distribution of inhibin subunit immunoreactivity in chicken embryos...

...Finn Hallböök; Christiane Ayer-Lelièvre; Ted Ebendal; Häkan Persson In situ hybridization with β -nerve growth factor receptor (NGF-R) oligonucleotide probes was used to study NGF-R mRNA expression in early chicken embryos. Sections through the region of the visceral arches showed high levels...

... and Biophysics, Harvard Medical School, Boston, USA Copyright © 1988 by Company of Biologists 1988 neural crest frontonasal mass chondrogenesis morphogen chicken embryo retinoids At early stages in embryonic development, the vertebrate face has a common plan. A series of small buds...

... development. NGF mRNA was detected in the chicken embryo as early as day 3·5 of incubation. The level of NGF mRNA in total embryo increased four-fold until day 8, remained high until day 12, and subsequently decreased. No corresponding peak in NGF mRNA expression was found in heart and brain measured...