Výsledky vyhledávání - "Magda Altmann"

Adherence of Helicobacter pylori to Gastric Carcinoma Cells: Analysis by Flow Cytometry

Autor: Magda Altmann, Gail P. Campbell, Bruce E. Dunn

Publikováno v: Clinical Infectious Diseases. 13:S657-S664

An in vitro assay using immunofluorescence and flow cytometry for quantitative assessment of the adherence of Helicobacter pylori to cultured human gastric carcinoma (KATO III) cells was developed. Adherence was rapid, saturable, energy dependent, ma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64601b97de233e1f02a257eab56c640a
https://doi.org/10.1093/clinids/13.supplement_8.s657

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Agonist and antagonists induce homodimerization and mixed ligand heterodimerization of human progesterone receptors in vivo by a mammalian two-hybrid assay

Autor: Magda Altmann, Susan A. Leonhardt, Dean P. Edwards

Publikováno v: Molecular endocrinology (Baltimore, Md.). 12(12)

This study utilizes the mammalian two-hybrid system to examine the role of ligand in the dimerization of human progesterone receptor (hPR). The GAL4 DNA-binding domain and the herpes simplex virus VP16 transactivation domain were fused to the amino t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc7c2ea7becac33d24325cb73cf4a455
https://pubmed.ncbi.nlm.nih.gov/9849965

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High-mobility group chromatin proteins 1 and 2 functionally interact with steroid hormone receptors to enhance their DNA binding in vitro and transcriptional activity in mammalian cells

Autor: Paul Prendergast, Magda Altmann, Laima Taraseviciene, Vida Senkus Melvin, Lorenza Ronfani, Dean P. Edwards, Marco Bianchi, Viroj Boonyaratanakornkit, Elizabeth A. Allegretto, Steven K. Nordeen

Publikováno v: Scopus-Elsevier

We previously reported that the chromatin high-mobility group protein 1 (HMG-1) enhances the sequence-specific DNA binding activity of progesterone receptor (PR) in vitro, thus providing the first evidence that HMG-1 may have a coregulatory role in s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3da5de49c82deaa89695455af188b3d
https://pubmed.ncbi.nlm.nih.gov/9671457

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Stoichiometry and site-specific phosphorylation of human progesterone receptor in native target cells and in the baculovirus expression system

Autor: Yixian Zhang, Dean P. Edwards, Magda Altmann, Candace A. Beck, Nancy L. Weigel

Publikováno v: The Journal of biological chemistry. 271(32)

Human progesterone receptor (PR) in T47D breast cancer cells is phosphorylated on nine different serine residues; three are hormone-inducible (Ser102, Ser294, and Ser345), while others are basal but hormone-stimulated. In the present study, we have c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b31fb73920d238dd67405007415bd976
https://pubmed.ncbi.nlm.nih.gov/8702648

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Progesterone receptor and the mechanism of action of progesterone antagonists

Autor: Candace A. Beck, Nancy L. Weigel, Yixian Zhang, Dean P. Edwards, Magda Altmann, Angelo M. DeMarzo

Publikováno v: The Journal of steroid biochemistry and molecular biology. 53(1-6)

Currently available progesterone antagonists have been suggested to fall into two categories based on differences in how they interact with and inactivate the progesterone receptor (PR). The anti-progestin ZK98299 (Type I) impairs PR association with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::173e121e9611e38891b466fc3e770a17
https://pubmed.ncbi.nlm.nih.gov/7626494

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Characterization and functional properties of the A and B forms of human progesterone receptors synthesized in a baculovirus system

Autor: Magda Altmann, Judith St. John, Angelo M. DeMarzo, Patricia A. Estes, Dean P. Edwards, Candace A. Beck, Steven K. Nordeen, Ben A. Lieberman, Sergio A. Onate, Kurt Christensen

Publikováno v: Molecular endocrinology (Baltimore, Md.). 5(11)

Human progesterone receptors (PR) were overexpressed in Spodoptera frugiperda (Sf9) insect cells using a recombinant baculovirus system. Recombinant viruses were constructed that produced either full-length A (94K) or B (120K) forms of human PR, and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc0f78f58b4798b66a4fdc590b6b77ee
https://pubmed.ncbi.nlm.nih.gov/1779977

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