Expression of human GLI in mice results in failure to thrive, early death, and patchy Hirschsprung-like gastrointestinal dilatation

被引:39
作者
Yang, JT [1 ]
Liu, CZ [1 ]
Villavicencio, EH [1 ]
Yoon, JW [1 ]
Walterhouse, D [1 ]
Iannaccone, PM [1 ]
机构
[1] Northwestern Univ, Sch Med, Childrens Mem Inst Educ & Res, Dept Pediat, Chicago, IL 60614 USA
关键词
D O I
10.1007/BF03401719
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Background: GLI is an oncodevelopmental gene in the vertebrate hedgehog/patched signaling pathway chat is spatiotemporally regulated during development and is amplified in a subset of human cancers. GLI is the prototype for the Gli-Kruppel family of transcription factors, which includes the Drosophila segment polarity gene ci, the C. elegans sex-determining gene tra-l, and human and mouse GLI3, all of which contain a conserved domain of five C-2-H-2 zinc fingers. GLI3 mutations have been implicated in the mouse mutant extra toes, as well as in human Greig cephalopolydactaly syndrome and the autosomal dominant form of Pallister-Hail syndrome. As such, GLI and the vertebrate hedgehog/patched signaling pathway appear to play important roles in both normal develop ment and neoplasia. Materials and Methods: Since it is not known whether aberrant GLI expression is similarly linked to developmental disorders, we developed gain-of-function transgenic mice which express human GLI ectopically. Results: Affected transgenic mice exhibit a phenotype of failure to thrive, early death, and Hirschsprung-like patches of gastrointestinal dilatation. The colons of affected mice have greatly attenuated smooth muscle layers and abnormal overlying epithelium. The density of myenteric plexuses is reduced in the colonic walls. The severity of the phenotype is related to the level of transgene expression. Conclusions: The transgenic mouse model supports a role for GLI in gastrointestinal development. As parr of the vertebrate hedgehog/patched signaling pathway, GLI is essential to mesoderm and CNS ectoderm development and transgenic GLI expression affects neuronal, muscular, and epithelial cell differentiation in the gut. Expression of human GLI in mice results in impairment of enteric neuronal development and a Hirschsprung-like phenotype.
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页码:826 / 835
页数:10
相关论文
共 29 条
[1]   Cyclopia and defective axial patterning in mice lacking Sonic hedgehog gene function [J].
Chiang, C ;
Ying, LTT ;
Lee, E ;
Young, KE ;
Corden, JL ;
Westphal, H ;
Beachy, PA .
NATURE, 1996, 383 (6599) :407-413
[2]  
Cunha G R, 1992, Epithelial Cell Biol, V1, P76
[3]   SMITH-LEMLI-OPITZ SYNDROMES - DO THEY INCLUDE THE PALLISTER-HALL SYNDROME [J].
DONNAI, D ;
BURN, J ;
HUGHES, H .
AMERICAN JOURNAL OF MEDICAL GENETICS, 1987, 28 (03) :741-743
[4]  
Hepker J, 1997, DEVELOPMENT, V124, P549
[5]   EXPRESSION OF 3 MOUSE HOMOLOGS OF THE DROSOPHILA SEGMENT POLARITY GENE CUBITUS-INTERRUPTUS, GLI, GLI-2, AND GLI-3, IN ECTODERM-DERIVED AND MESODERM-DERIVED TISSUES SUGGESTS MULTIPLE ROLES DURING POSTIMPLANTATION DEVELOPMENT [J].
HUI, CC ;
SLUSARSKI, D ;
PLATT, KA ;
HOLMGREN, R ;
JOYNER, AL .
DEVELOPMENTAL BIOLOGY, 1994, 162 (02) :402-413
[6]   THE TRA-1 GENE DETERMINES SEXUAL PHENOTYPE CELL-AUTONOMOUSLY IN C-ELEGANS [J].
HUNTER, CP ;
WOOD, WB .
CELL, 1990, 63 (06) :1193-1204
[7]   INDUCTION ACROSS GERM LAYERS IN DROSOPHILA MEDIATED BY A GENETIC CASCADE [J].
IMMERGLUCK, K ;
LAWRENCE, PA ;
BIENZ, M .
CELL, 1990, 62 (02) :261-268
[8]   Human homolog of patched, a candidate gene for the basal cell nevus syndrome [J].
Johnson, RL ;
Rothman, AL ;
Xie, JW ;
Goodrich, LV ;
Bare, JW ;
Bonifas, JM ;
Quinn, AG ;
Myers, RM ;
Cox, DR ;
Epstein, EH ;
Scott, MP .
SCIENCE, 1996, 272 (5268) :1668-1671
[9]   GLI3 frameshift mutations cause autosomal dominant Pallister-Hall syndrome [J].
Kang, S ;
Graham, JM ;
Olney, AH ;
Biesecker, LG .
NATURE GENETICS, 1997, 15 (03) :266-268
[10]   THE GLI GENE IS A MEMBER OF THE KRUPPEL FAMILY OF ZINC FINGER PROTEINS [J].
KINZLER, KW ;
RUPPERT, JM ;
BIGNER, SH ;
VOGELSTEIN, B .
NATURE, 1988, 332 (6162) :371-374