947 resultados para Luis de Granada (O. P.), 1504-1588
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During limb development, expression of the TALE homeobox transcription factor Meis1 is activated by retinoic acid in the proximal-most limb bud regions, which give rise to the upper forelimb and hindlimb. Early subdivision of the limb bud into proximal Meis-positive and distal Meis-negative domains is necessary for correct proximo-distal (P-D) limb development in the chick, since ectopic Meis1 overexpression abolishes distal limb structures, produces a proximal shift of limb identities along the P-D axis, and proximalizes distal limb cell affinity properties. To determine whether Meis activity is also required for P-D limb specification in mammals, we generated transgenic mice ectopically expressing Meis1 in the distal limb mesenchyme under the control of the Msx2 promoter. Msx2:Meis1 transgenic mice display altered P-D patterning and shifted P-D Hox gene expression domains, similar to those previously described for the chicken. Meis proteins function in cooperation with PBX factors, another TALE homeodomain subfamily. Meis-Pbx interaction is required for nuclear localization of both proteins in cell culture, and is important for their DNA-binding and transactivation efficiency. During limb development, Pbx1 nuclear expression correlates with the Meis expression domain, and Pbx1 has been proposed as the main Meis partner in this context; however, we found that Pbx1 deficiency did not modify the limb phenotype of Msx2:Meis1 mice. Our results indicate a conserved role of Meis activity in P-D specification of the tetrapod limb and suggest that Pbx function in this context is either not required or is provided by partners other than Pbx1.
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Sign.: A-Z8, 2A-2F8
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Mode of access: Internet.
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Shipping list no.: 88-43-P.
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[superscript pi]A² a2-a4 b² A-F⁶ G⁸ H-2O² [2P]⁸ 2Q² 2R⁴ 2S² 2T-2X⁶ 2Y⁴ 2Z-3A² 3B⁸ 3C-6T² [6V-6Z]² [dagger-2 daggers]⁶ chi-2chi².
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Signatures: )(⁴ A-H⁴.
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"Annex number 189. Report relating to the construction of the hypsometric map of the republic of Guatemala drawn under the supervision of the engineering staff of the Guatemala boundary commission, by order of the government of the republic": p. 178-183. Signed: Guatemala, September 29, 1928. Claudio Urrutia.
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El tomo I incluye: A-C. Al Diccionario le precede: "Dedicatoria" I-II, "Prólogo" III- X y, "Lista de las personas que han subscrito por los seis primeros Quadernos de este Diccionario" XI- XVI. Al final: "Adiciones y correcciones a este primer tomo" 753 - 786 p. y, "Continuación de la lista de suscriptores a este Diccionario" 787 - 791 p.
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El tomo III incluye: M-O; Al final "Adiciones y correcciones a este tercer tomo", 426-496 p.
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CCBE. S. XVI,
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Mode of access: Internet.
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Mode of access: Internet.
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Discurso previo apologetico sobre el constitutivo de la calentura, a favor de ... Martin Martinez y contra ... Francisco Saenz de los Rios ... escrito por ... Francisco Valles de p. 2¶2 a 4¶3.
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Con portadilla propia: "Oracion funebre, que en las reales exequias, de nuestro catholico monarcha D. Luis I que esta en gloria dixo el RR. P. Juan Antonio Aguilar de la Compañía de Jesus ..."