Evidence map›Paper›PMID 30262668›Full record

ArticleThe Journal of biological chemistry2018

Loss of dihydrotestosterone-inactivation activity promotes prostate cancer castration resistance detectable by functional imaging.

Ziqi Zhu, Yoon-Mi Chung, Olga Sergeeva, Vladimir Kepe, Michael Berk, Jianneng Li, Hyun-Kyung Ko, Zhenfei Li, Marianne Petro, Frank P DiFilippo and 2 more

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
2.7field-weighted citation impact, top 9% 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

28 citing papers in PubMed, 40 citations in OpenAlex.

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  13. Preclinical Imaging of Prostate Cancer.Seminars in nuclear medicine · 2023
    Review
  14. Article
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  16. BMX controls 3βHSD1 and sex steroid biosynthesis in cancer.The Journal of clinical investigation · 2023
    Article
  17. Article
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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

12 authors at 4 institutions in 2 countries.

Ziqi ZhuFrom the Genitourinary Malignancies Research Center, Department of Cancer Biology, Lerner Research Institute.
Yoon-Mi ChungFrom the Genitourinary Malignancies Research Center, Department of Cancer Biology, Lerner Research Institute.
Olga SergeevaDepartments of Radiology.
Vladimir KepeDepartment of Nuclear Medicine, Imaging Institute.
Michael BerkFrom the Genitourinary Malignancies Research Center, Department of Cancer Biology, Lerner Research Institute.
Jianneng LiFrom the Genitourinary Malignancies Research Center, Department of Cancer Biology, Lerner Research Institute.
Hyun-Kyung KoFrom the Genitourinary Malignancies Research Center, Department of Cancer Biology, Lerner Research Institute.
Zhenfei LiFrom the Genitourinary Malignancies Research Center, Department of Cancer Biology, Lerner Research Institute.
Marianne PetroFrom the Genitourinary Malignancies Research Center, Department of Cancer Biology, Lerner Research Institute.
Frank P DiFilippoDepartment of Nuclear Medicine, Imaging Institute.
Zhenghong LeeDepartments of Radiology; Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio 44124.
Nima SharifiFrom the Genitourinary Malignancies Research Center, Department of Cancer Biology, Lerner Research Institute; Department of Urology, Glickman Urological and Kidney Institute; Department of Hematology and Oncology, Taussig Cancer Institute, Cleveland Clinic, Cleveland, Ohio 44195. Electronic address: sharifn@ccf.org.
Cerner (United States) · USImaging Center · USCase Western Reserve University · USCleveland Clinic · US

Funding

Elucidating a novel molecular biomarker for castration-resistant prostate cancerR01CA172382 · NCI · UT SOUTHWESTERN MEDICAL CENTER · PI Nima Sharifi · 2012 to 2026
$5.2M
Compensatory steroidogenesis mechanisms in castration-resistant prostate cancerR01CA190289 · NCI · CLEVELAND CLINIC LERNER COM-CWRU · PI SHARIFI, NIMA · 2015 to 2019
$2.1M
Imaging Liver Cancer ProliferationR01CA204373 · NCI · CASE WESTERN RESERVE UNIVERSITY · PI LEE, ZHENGHONG, SAUNTHARARAJAH, YOGEN · 2016 to 2021
$1.8M
Cooperative steroidogenic inhibition for treatment of advanced prostate cancerR01CA168899 · NCI · CLEVELAND CLINIC LERNER COM-CWRU · PI SHARIFI, NIMA · 2013 to 2017
$1.6M
Howard Hughes Medical InstituteNCI NIH HHS R01 CA168899NCI NIH HHS R01 CA172382NCI NIH HHS R01 CA190289NCI NIH HHS R01 CA204373
6 · The paper itself

Abstract

Androgens such as testosterone and dihydrotestosterone are a critical driver of prostate cancer progression. Cancer resistance to androgen deprivation therapies ensues when tumors engage metabolic processes that produce sustained androgen levels in the tissue. However, the molecular mechanisms involved in this resistance process are unclear, and functional imaging modalities that predict impending resistance are lacking. Here, using the human LNCaP and C4-2 cell line models of prostate cancer, we show that castration treatment-sensitive prostate cancer cells that normally have an intact glucuronidation pathway that rapidly conjugates and inactivates dihydrotestosterone and thereby limits androgen signaling, become glucuronidation deficient and resistant to androgen deprivation. Mechanistically, using CRISPR/Cas9-mediated gene ablation, we found that loss of UDP glucuronosyltransferase family 2 member B15 (UGT2B15) and UGT2B17 is sufficient to restore free dihydrotestosterone, sustained androgen signaling, and development of castration resistance. Furthermore, loss of glucuronidation enzymatic activity was also detectable with a nonsteroid glucuronidation substrate. Of note, glucuronidation-incompetent cells and the resultant loss of intracellular conjugated dihydrotestosterone were detectable

Indexed as

AnimalsCell Line, TumorDihydrotestosteroneFluorine RadioisotopesGlucuronosyltransferaseGlycosylationHumansMaleMiceMinor Histocompatibility AntigensPositron-Emission TomographyProstatic Neoplasms, Castration-ResistantRadiopharmaceuticalsReceptors, AndrogenSignal TransductionTestosteroneDihydrotestosteroneFluorine-18Fluorine RadioisotopesGlucuronosyltransferaseMinor Histocompatibility AntigensRadiopharmaceuticalsReceptors, AndrogenTestosteroneUDP-glucuronosyltransferase 2B15, humanUGT2B17 protein, humanandrogencastration-resistant prostate cancermetabolic regulationmetabolismnuclear medicinePETprostate cancersteroidsteroid hormone receptorsteroidogenesisuridine 5'-diphospho-glucuronosyltransferase (UDP-glucuronosyltransferase)

Identifiers

PMID30262668
PMCPMC6240862
OpenAlexW2892498844

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.