Expression of Matrix Metalloproteinase-11 Genes in Placentae and Uteri of Shiba Goats (Capra hircus)

Expression of Matrix Metalloproteinase-11 Genes in Placentae and Uteri of Shiba Goats (Capra hircus)
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基质金属蛋白酶11基因在柴山羊胎盘和子宫中的表达

DOI:
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发表时间:
1995
期刊:
影响因子:
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通讯作者:
C. Tachi
C. Tachi
中科院分区:
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文献类型:
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作者:
Takahito Hara;Satoshi Tanaka;Hiroshi Sato;M. Seiki;H. Koi;A. Suenaga;H. Tojo;C. Tachi

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基质金属蛋白酶-11(MMP-11)是基质金属蛋白酶家族的成员,最近由Bassett等人(1990)在人类胎盘和侵袭性乳腺肿瘤中发现。虽然已经提出了建议,MMP-11可能在癌细胞向周围组织的转移性侵袭中起关键作用,但MMP-11的酶特性和精确的生物学功能都没有被清楚地阐明。由于哺乳动物胚胎的滋养层细胞在不同组动物的胎盘形成过程中表现出不同程度的侵袭性,因此研究MMP-11是否存在于发育非侵袭型胎盘的动物中将是有意义的。我们证明,MMP-11基因存在于基因组中的柴坝山羊,开发的非侵入型胎盘(上皮绒膜或联合绒膜),并确定了部分序列的MMP-11的cDNA柴坝山羊。MMP-11基因在未成熟的芝山羊的子宫中在卵巢雌激素的影响下强烈表达(PMSG和hCG处理后)。与MMP-11基因大量表达的人胎盘相反,山羊胎盘(妊娠第72天和第112天)含有MMP-11 mRNA,即使有,也仅处于极低水平。MMP-11基因在人类和山羊胎盘中表达模式差异的原因仍有待澄清。动物园印迹分析不同物种的动物基因组DNA表明,MMP-11可能是无处不在的哺乳动物中分布,虽然没有固体的生物学功能迄今已被分配给酶。
The matrix metalloproteinase-11 (MMP-11) is a member of the family of matrix metalloproteinases, and recently discovered by Bassett et al. (1990) in placentae and invasive mammary tumors of humans. Although propositions have been made suggesting that MMP-11 might play a crucial role in the metastatic invasion of cancer cells into the surrounding tissue, neither the enzymatic characteristics nor precise biological functions of MMP-11 have been clearly elucidated. Since trophoblast cells of mammalian embryos exhibit different degree of invasiveness during placentation in different groups of animals, it will be of interest to examine whether MMP-11 is present in animals which develop placentae of non-invasive type. We demonstrated that MMP-11 genes are present in the genome of the Shiba goat which develops placentae of non-invasive type (epitheliochorial or syndesmochorial), and determined a partial sequence of MMP-11 cDNA of the Shiba goat. MMP-11 genes are strongly expressed in the uterus of immature Shiba goats under the influence of ovarian estrogens (following PMSG and hCG treatments). In contrast to the human placenta where MMP-11 genes are abundantly expressed, the caprine placenta (Day 72 and Day 112 of gestation) contains MMP-11 mRNA, if at all, only at extremely low levels. The reason underlying the difference in the patterns of expression of MMP-11 genes in human and caprine placentae remains yet to be clarified. The zoo blot analysis of genomic DNA of different species of animals demonstrated that MMP-11 is distributed probably ubiquitously in mammals, although no solid biological functions have so far been assigned to the enzyme.
DOI: 10.1111/j.1432-0436.1987.tb00161.x
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发表时间: 1993
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DOI: --
发表时间: 1992
期刊: Matrix (Stuttgart, Germany). Supplement
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