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Query: UNIPROT:P11684 (Uteroglobin)
 114 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Uteroglobin, a progesterone-induced uterine protein of the rabbit, is synthesized in cell-free systems as a precursor containing 21 additional amino-acids at its N-terminal end. The mRNA for pre-uteroglobin has been purified from the membrane-bound polysomes of induced endometrium and used as template for the synthesis of a full copy complementary DNA. Final purification of the cDNA was based on hybridization to the template mRNA up to a low value of r0t (0.01 M . s) and digestion of the non-hybridized cDNA by S1 nuclease. A comparison of the hybridization kinetics of the pre-uteroglobin cDNA and rabbit globin cDNA to their respective templates indicates a nucleotide sequence complexity of 650 for pre-uteroglobin mRNA, in agreement with the values obtained by sucrose gradient centrifugation and polyacrylamide gel electrophoresis in formamaide. The melting temperature of the hybrids of pre-uteroglobin cDNA to its template reflects the absence of mismatched sequences. This cDNA has been used to quantify pre-uteroglobin mRNA sequences in the endometrial RNA from control animals and from animals treated sequentially with estradiol and progesterone. In agreement with the induction of uteroglobin-synthesizing activity, there is a dramatic increase in the uterine content of pre-uteroglobin mRNA after hormonal treatment. Part of this effect can be accounted for by hormonally induced cell proliferation. When expressed on a DNA basis there is a 50--100-fold increase in the cellular content of pre-uteroglobin mRNA following hormonal treatment.
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PMID:Synthesis and characterization of a DNA complementary to pre-uteroglobin mRNA. 49 5

Uteroglobin, the progesterone dependent pregnancy-characteristic endometrial protein in the rabbit, is found within the endometrial epithelium on the fourth and sixth day of pregnancy at the electron-microscopic level by use of the immunoperoxidase technique and a specific anti-uteroglobin serum from the sheep. As known from earlier studies, uteroglobin is the predominant protein synthesized of the endometrial secretion. In the present study, it is localized exclusively in the non-ciliated epithelial cells. A common route of secretory proteins within these cells is observed by uteroglobin labelling: rough endoplasmatic reticulum----Golgi complex----condensing vesicles----secretory products. Uteroglobin occurs in small vesicles on the trans-face of the Golgi complex, and in addition beneath the apical plasma membrane where it appears in membrane-bound vesicles, which apparently are extruded into the uterine lumen. Most of the uteroglobin is located in the luminal secretion. The distribution of intracellular uteroglobin is found only in cells of the basal endometrial gland, adjacent to the myometrium. The cytoplasm of uterine epithelial cells facing the cavum does not show uteroglobin reaction products.
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PMID:Immunocytochemical localization of uteroglobin in the rabbit endometrium. 390 21