Max Barron

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Previous work in this laboratory has shown that endoderm cells in the heart forming region (HFR endoderm) of the chicken embryo induce terminal cardiac differentiation in explanted precardiac mesoderm cells. Immunostaining patterns indicating that HFR endoderm cells express Drosophila decapentaplegic (dpp)-like antigens prompted a degenerate polymerase(More)
Expression patterns of Tbx2, -3, and -5 genes were analyzed during chick embryonic heart development. Transcripts of these three cTbx genes were detected in overlapping patterns in the early cardiac crescent. cTbx2 and cTbx3 expression patterns closely overlapped with that of bmp2. cTbx5 expression diverged from cTbx2 and bmp2 during the elaboration and(More)
We have examined the expression of the fos and jun genes in the cerebellum of the rat brain during ageing, by use of a semi-quantitative fluorescence in situ hybridization (FISH) method. In these experiments we have utilised the digital imaging capabilities of a cooled CCD camera system to store the fluorescence intensities of individual cells and to(More)
We previously reported that combined treatment with bone morphogenetic protein-2 (BMP-2) and fibroblast growth factor-4 (FGF-4) induces cardiogenic events culminating in full cardiac differentiation of non-precardiac mesoderm explanted from stage 6 avian embryos (Lough et al. [1996] Dev. Biol. 178:198-202.). To elucidate the respective functions of BMP and(More)
OBJECTIVE The GABA(A) receptor subunit composition undergoes a switch from a predominantly alpha2 to a predominantly alpha1 around postnatal day (PND) 7 in a rat pup. This developmental switch in the GABA(A) receptor subunit composition changes the kinetics and pharmacologic properties of the GABA(A) receptor. Using a developmental organotypic hippocampal(More)
Previous studies have shown that anterior lateral plate endoderm from stage 6 chicken embryos is necessary and sufficient to enable precardiac mesoderm to complete its cardiogenic program in vitro, culminating in a rhythmically contractile multicellular vesicle (Sugi and Lough [1994] Dev. Dyn. 200:155-162). To identify cardiogenic factors, we have begun to(More)
Previous work in this laboratory has indicated that fibroblast growth factor-2 (FGF-2; bFGF) regulates the initial stages of avian heart development in paracrine and autocrine fashion (Parlow et al. [1991] Dev. Biol. 146:139-147; Sugi et al. [1993] Dev. Biol. 157:28-37). Because these findings inferred the presence of a functional receptor for fibroblast(More)
Human prostatic acid phosphatase [PAP] is antigenically uniquely different from acid phosphatases of other tissue origins. Nevertheless, a small degree of antigenic cross-reactivity between PAP and other lysosomal acid phosphatase(s) [LAP] has been suspected. In order to resolve this question, we have adopted two approaches: one involving structural studies(More)
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