Section: Figures

Postdoctoral Position Available

Jaime Rivera, Ph.D.

Academic Role: Assistant Professor

Faculty Appointment(s) In:
   Cell Biology

Figures

Figure 1. Expression of Wnt3 in embryos between 5.5 and 6.5 days of gestation. The expression of Wnt3 in the posterior visceral endoderm and subsequently posterior epiblast marks the location and polarity of the anteroposterior axis as early as 5.5 dpc.

Figure 2. Clonal analysis of the trophoblast component of the blastocyst. A polar trophectoderm cell from a blastocyst derived from the ROSA26-LacZ  reporter line, was injected with an expression vector coding for Cre recombinase and Rhodamine dextran (B). The labeled embryo was transferred into a pseudopregnant female and dissected at 6.5 dpc. ß-galactosidase positive descendants (blue), indicating Cre/lox recombination, are visible in the ectoplancental cone region of the embryo (C).

Figure 3.  Molecular differences in the visceral endoderm layer of the conceptus. Egg cylinder stage embryo dissected at 5.75 days post-coitum. The promoter of Hhex, a homeobox containing gene, drives expression of green fluorescent protein in the anterior visceral endoderm (AVE). Red fluorescence marks cell-cell boundaries revealed by an anti-E-Cadherin antibody. The nuclei shown in blue are stained with DAPI.

Office: S7-228
Phone: 508-856-4189
E-mail: Jaime.Rivera@umassmed.edu
Keywords: Transgenic Mice, Cell Dynamics, Mouse Genetics, Developmental Biology

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Postdoctoral Position Available Post-Doctoral Position Available   A post-doctoral position is available to conduct studies in this laboratory. Please contact Dr. Jaime Rivera for more information.