Evidence map›Paper›PMID 19036900›Full record

ArticleMolecular endocrinology (Baltimore, Md.)2009

Differential biochemical and cellular actions of Premarin estrogens: distinct pharmacology of bazedoxifene-conjugated estrogens combination.

Thomas J Berrodin, Ken C N Chang, Barry S Komm, Leonard P Freedman, Sunil Nagpal

Open access · greenAbstract read
In one paragraph

Article in Molecular endocrinology (Baltimore, Md.), 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
2.1field-weighted citation impact, top 12% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

30 citing papers in PubMed, 70 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Asymmetric allostery in estrogen receptor-α homodimers drives responses to the ensemble of estrogens in the hormonal milieu.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  6. Article
  7. Article
  8. Article
  9. Review
  10. Tissue-Selective Estrogen Complex and Breast.Journal of menopausal medicine · 2020
    Review
  11. Article
  12. Tissue selective estrogen complex (TSEC): a review.Menopause (New York, N.Y.) · 2018
    Review
  13. Article
  14. Article
  15. Article
  16. Review
  17. The Effect of Menopausal Hormone Therapies on Breast Cancer: Avoiding the Risk.Endocrinology and metabolism clinics of North America · 2015
    Review
  18. Review
  19. Article
  20. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Thomas J BerrodinNuclear Receptor Biology, Women's Health & Musculoskeletal Biology, Wyeth Research, 500 Arcola Road, Collegeville, Pennsylvania 19426, USA.
Ken C N Chang
Barry S Komm
Leonard P Freedman
Sunil Nagpal
Women's Health Research Institute · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The use of estrogen-based therapies and the selective estrogen receptor (ER) modulator (SERM), raloxifene, which are approved for postmenopausal osteoporosis, is associated with side effects such as uterine/breast hyperproliferation, thromboembolism, and hot flashes. A combination of a new SERM, bazedoxifene (BZA), and Premarin (conjugated estrogens; CE) is under investigation to mitigate the estrogen/SERM side effects with promising results in Phase III clinical trials. To explore the mechanism of BZA/CE action, we investigated the recruitment of cofactor peptides to ERalpha by components of CE and a mixture containing the 10 major components of CE with or without three different SERMs. Here, we demonstrate differential recruitment of cofactor peptides to ERalpha by the individual CE components using a multiplex nuclear receptor-cofactor peptide interaction assay. We show that estrone and equilin are partial agonists in comparison with 17beta-estradiol in recruiting cofactor peptides to ERalpha. Further, CE was more potent than 17beta-estradiol in mediating ERalpha interaction with cofactor peptides. Interestingly, BZA was less potent than other SERMs in antagonizing the CE-mediated cofactor peptide recruitment to ERalpha. Finally, in accordance with these biochemical findings, 17beta-estradiol and CE, as well as SERM/CE combinations, showed differential gene regulation patterns in MCF-7 cells. In addition, BZA showed antagonism of a unique set of CE-regulated genes and did not down-regulate the expression of a number of CE-regulated genes, the expression of which was effectively antagonized by the other two SERMs. These results indicate that SERMs in combination with CE exhibit differential pharmacology, and therefore, combinations of other SERMs and estrogen preparations may not yield the same beneficial effects that are observed in clinic by pairing BZA with CE.

Indexed as

Amino Acid SequenceBinding SitesBone Density Conservation AgentsCell LineDrug InteractionsDrug Therapy, CombinationEstradiolEstrogen Receptor alphaEstrogens, Conjugated (USP)FemaleGene Expression ProfilingHumansIndolesLigandsMolecular Sequence DataPeptidesbazedoxifeneBone Density Conservation AgentsEstradiolEstrogen Receptor alphaEstrogens, Conjugated (USP)IndolesLigandsPeptidesSelective Estrogen Receptor Modulators

Identifiers

PMID19036900
PMCPMC5419325
OpenAlexW2081600248

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.