anterior neuroectoderm
Regionalisation of anterior neuroectoderm and its competence in responding to forebrain and midbrain inducing activities depend on mutual antagonism between OTX2 and GBX2
... reduced levels of OTX2 protein, recover more or less normal Bf1 and Atx expression in the domains corresponding to the presumptive forebrain and midbrain, respectively. Together these data suggest that OTX2 and GBX2 may ...
12
The expression of XIF3 in undifferentiated anterior neuroectoderm, but not in primary neurons, is induced by the neuralizing agent noggin
... Int I Dev BioI 42 757 762 (1998) Original Article The expression of XIF3 in undifferentiated anterior neuroectoderm, but not in primary neurons, is induced by the neuralizing agent noggin KIM GOLDSTON[.] ...
6
Regulation of Otx2 expression and its functions in mouse epiblast and anterior neuroectoderm
... The SpeI/BglII 559 bp fragment was further dissected, and finally the EcoT22I/BglII 165 bp fragment was found to retain the enhancer activity; this was confirmed by generation of permanent transgenic lines (Fig. 4C, part ...
11
Systematic screening for genes specifically expressed in the anterior neuroectoderm during early Xenopus development
... the anterior neural plate region in the late-gastrula to mid-neurula stages (Table ...the anterior neuroectoderm appears to occur in the neural patterning centers and the eye anlagen, as well as in ...
13
A novel gene’s role in an ancient mechanism: secreted Frizzled-related protein 1 is a critical component in the anterior–posterior Wnt signaling network that governs the establishment of the anterior neuroectoderm in sea urchin embryos
... The anterior neuroectoderm (ANE) in many deuterostome embryos (echinoderms, hemichordates, urochordates, cephalochordates, and vertebrates) is progressively restricted along the anterior–posterior ...
15
An anterior signaling center patterns and sizes the anterior neuroectoderm of the sea urchin embryo
... early anterior neuroectoderm (ANE) in many ...the anterior of the late blastula stage embryo, where it forms a simple neural territory comprising several types of neurons as well as the apical ...the ...
12
Six3 cooperates with Hedgehog signaling to specify ventral telencephalon by promoting early expression of Foxg1a and repressing Wnt signaling
... Six3 is expressed broadly in the anterior neuroectoderm (Oliver et al., 1995; Bovolenta et al., 1998; Kobayashi et al., 1998; Loosli et al., 1998; Seo et al., 1998a; Seo et al., 1998b; Zhou et al., 2000), ...
11
Purinergic P2Y Receptors Are Involved in Xenopus Head Formation
... the anterior neuroectoderm, anf is the earliest transcriptional re- pressor gene and plays a key role in rostral forebrain development [14] ...prospective anterior pituitary at the end of neuru- ...
18
Retinoic acid metabolizing factor xCyp26c is specifically expressed in neuroectoderm and regulates anterior neural patterning in Xenopus laevis
... the anterior neural plate seemed nearly identical, with slightly weaker expression of xCyp26c than xCyp26a at the midline ...in anterior neuroectoderm were also similar, although not identical in ...
10
Head formation: OTX2 regulates Dkk1 and Lhx1 activity in the anterior mesendoderm
... the anterior structures in the mouse ...the anterior visceral endoderm and the anterior neuroectoderm for head formation, its role in the anterior mesendoderm (AME) has not been ...
9
Segment specific requirements for dorsoventral patterning genes during early brain development in Drosophila
... and brain NBs. Head flat preparations double stained with antibodies against Msh and En (A-L), or subjected to in situ hybridization against ind (M-X) of wild-type (wt; A-D,M-P), vnd mutant (vnd-; E-H,Q-T) and sca-vnd ...
16
MANAGEMENT OF SCLERITIS THROUGH AYURVEDA - A CASE REPORT .......
... scleritis. Anterior scleritis is subdivided into four: diffuse anterior scleritis, nodular anterior scleritis, necrotizing anterior scleritis with inflammation, and necrotizing anterior ...
5
Determination of Spatiotemporal Interactions Regulating Head/Trunk Axial Pattern in the Chick Embryo
... that anterior positional identity is established and maintained by the head organizer at stages 3a-b (Figure 4) (Chapman et ...Consistently, anterior identity is then stabilized by inductive interactions ...
18
Characterization of the functional properties of the neuroectoderm in mouse Cripto / embryos showing severe gastrulation defects
... ferentiation. The main conclusions of this work are essentially two. First, in Cripto null mutants, differentiation of neural stem cells towards neuronal and glial fate is not significantly affected by the absence of ...
10
The CNS midline cells control the spitz class and Egfr signaling genes to establish the proper cell fate of the Drosophila ventral neuroectoderm
... ventral neuroectoderm were determined by analyzing the spatial and temporal expression patterns of each individual gene in spitz class and Egfr signaling ...ventral neuroectoderm by controlling EGFR ...
10
Changes in Anterior Segment Parameters after Penetrating Keratoplasty for Keratoconus
... keratoplasty, anterior chamber depth, anterior chamber volume and angle were decreased ...shallower anterior chamber depth and more flattened cornea as a result of collapse of the anterior ...
5
Application of neural network classifers to electrocardiographic body surface mapping
... Testing Data anterior inferior normal Training Data anterior.6 anterior.12 anterior.48 anterior.fu inferior.6 inferior.12 inferior.48 inferior.fu norma1.50 CAD.50 Testing Data anterior.6[r] ...
266
Expression of the mouse labial like homeobox containing genes, Hox 2 9 and Hox 1 6, during segementation of the hindbrain
... In the early 8 day embryo, Hox 2.9 and Hox 1.6 are expressed at a high level in extensive domains, extending from the posterior end of the embryo along the neuroectoderm and mesoderm tis[r] ...
16
The suboccipital carrefour: cervical and vertebral arterial anastomosis
... The serial angiograms in Figure 3 illustrate the function of the cervical vasculature as a collateral pathway to the cerebral circulation. Direct inflow to the circle of Willis was blocked by prior occlusion of the ...
7
Primary primitive neuroectodermal tumor of the cervix
... Pelvic examination revealed that the vulva had developed normally, but there was evidence of vaginal stenosis. Many nodular lesions were observed on the vagina anterior wall. These extended to the lower third of ...
5