نتایج جستجو برای: midline dose
تعداد نتایج: 320901 فیلتر نتایج به سال:
The optic chiasm is an important choice point at which retinal ganglion cell (RGC) axons either cross the midline to innervate the contralateral brain or turn back to innervate the ipsilateral brain. Guidance cues that regulate this decision, particularly those directing the midline crossing of contralateral axons, are still not well understood. Here we show that Sema3d, a secreted semaphorin e...
Eph receptors play important roles in axon guidance at the midline. In the auditory system, growth of axons across the midline is an important determinant of auditory function. The avian cochlear nucleus, n. magnocellularis (NM), makes bilateral projections to its target, n. laminaris (NL). We examined the time course of NM axon growth toward the midline, the expression of Eph proteins at the m...
Abstract OT-101 - a TGF-beta antisense- is active against recurrent glioblastoma in G004- phase 2 clinical trial [Uckun FM, Qazi S, Hwang L, Trieu VN. Recurrent or refractory high grade gliomas treated by convection enhanced delivery of TGF-beta2 targeting RNA therapeutic: post-hoc analysis with long-term follow up. Cancers. 2019, 11:1892]. was delivered intratumorally Convection Enhanced Deliv...
Formation of the neural network requires concerted action of multiple axon guidance systems. How neurons orchestrate expression of multiple guidance genes is poorly understood. Here, we show that Drosophila T-box protein Midline controls expression of genes encoding components of two major guidance systems: Frazzled, ROBO, and Slit. In midline mutant, expression of all these molecules are reduc...
STATEMENT OF PROBLEM The importance of the midline is well known to dentists. Currently, there are no verifiable guidelines that direct the choice of specific anatomic landmarks to determine the midline of the face or midline of the mouth. PURPOSE The purpose of this study was to determine the hierarchy of facial anatomic landmarks closest to the midline of the face as well as midline of the ...
Germinomas are malignant intracranial germ tumors, usually found in suprasellar regions. Less than 10% are localized in off-middle structures, and synchronous involvement of both structures has only exceptionally been published. A case of an 18-year-old male patient with progressive right-sided hemiparesis and panhypopituitarism was reviewed. Brain MRI showed a solid mass involving pituitary an...
In the absence of Commissureless (Comm) function, axons are unable to extend across the central nervous system midline. Comm downregulates levels of Roundabout (Robo), a receptor for the midline repellent Slit, in order to allow axons to cross the midline. comm transcript is expressed at high levels in the midline glia and Comm protein accumulates on axons at the midline. This has led to the hy...
Many animals have genetically determined left-right (LR) asymmetry of their internal organs. The midline structure of vertebrate embryos has important roles in LR asymmetric development both as the signaling center for LR asymmetry and as a barrier to inappropriate LR signaling across the midline. However, in invertebrates, the functions of the midline in LR asymmetric development are unknown. ...
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