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Lee YJ, Choi YS, Kim S, Heo JY, Kim DS, Cho MK. Upregulation of AKR1C3 in Sodium Butyrate Treated G361 Cell. Ann Dermatol 2023; 35:468-471. [PMID: 38086362 PMCID: PMC10733077 DOI: 10.5021/ad.22.108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 07/11/2022] [Accepted: 01/02/2023] [Indexed: 12/22/2023] Open
Affiliation(s)
- Yoon Jin Lee
- Department of Biochemistry, Soonchunhyang University College of Medicine, Cheonan, Korea
- Division of Molecular Cancer Research, Soonchunhyang Medical Research Institute, Soonchunhyang University, Cheonan, Korea
| | - Yu Sung Choi
- Department of Dermatology, Soonchunhyang University Seoul Hospital, Seoul, Korea
| | - Sooyoung Kim
- Department of Dermatology, Soonchunhyang University Seoul Hospital, Seoul, Korea
| | - Jae Young Heo
- Department of Dermatology, Soonchunhyang University Seoul Hospital, Seoul, Korea
| | - Dong Sung Kim
- Department of Dermatology, Soonchunhyang University Seoul Hospital, Seoul, Korea
| | - Moon Kyun Cho
- Department of Dermatology, Soonchunhyang University Seoul Hospital, Seoul, Korea.
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Detlefsen AJ, Mesaros CA, Duan L, Penning TM. AKR1C3 Converts Castrate and Post-Abiraterone DHEA-S into Testosterone to Stimulate Growth of Prostate Cancer Cells via 5-Androstene-3β,17β-Diol. CANCER RESEARCH COMMUNICATIONS 2023; 3:1888-1898. [PMID: 37772993 PMCID: PMC10508215 DOI: 10.1158/2767-9764.crc-23-0235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/12/2023] [Accepted: 08/22/2023] [Indexed: 09/30/2023]
Abstract
Androgen receptor signaling inhibitors (ARSI) are used to treat castration-resistant prostate cancer (CRPC) to stop a resurgence of androgen receptor (AR) signaling. Despite early success, patients on ARSIs eventually relapse, develop drug resistance, and succumb to the disease. Resistance may occur through intratumoral steroidogenesis mediated by upregulation of aldo-keto reductase family 1C member 3 (AKR1C3). Patients treated with leuprolide (castrate) and those treated with leuprolide plus abiraterone (post-Abi) harbor a reservoir of DHEA-S which could fuel testosterone (T) biosynthesis via AKR1C3 to cause a resurgence of prostate cancer cell growth. We demonstrate that concentrations of DHEA-S found in castrate and post-Abi patients are (i) converted to T in an AKR1C3-dependent manner in prostate cancer cells, and (ii) in amounts sufficient to stimulate AKR1C3-dependent cell growth. We observed this in primary and metastatic prostate cancer cell lines, CWR22PC and DuCaP, respectively. Androgen measurements were made by stable isotope dilution LC-MS/MS. We demonstrate AKR1C3 dependence using stable short hairpin RNA knockdown and pharmacologic inhibitors. We also demonstrate that free DHEA is reduced to 5-androstene-3β,17β-diol (5-Adiol) by AKR1C3 and that this is a major metabolite, suggesting that in our cell lines 5-Adiol is a predominant precursor of T. We have identified a mechanism of ARSI resistance common to both primary and metastatic cell lines that is dependent on the conversion of DHEA to 5-Adiol on route to T catalyzed by AKR1C3. SIGNIFICANCE We show that reservoirs of DHEA-S that remain after ARSI treatment are converted into T in primary and metastatic prostate cancer cells in amounts sufficient to stimulate cell growth. Pharmacologic and genetic approaches demonstrate that AKR1C3 is required for these effects. Furthermore, the route to T proceeds through 5-Adiol. We propose that this is a mechanism of ARSI drug resistance.
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Affiliation(s)
- Andrea J. Detlefsen
- Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Clementina A. Mesaros
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, Pennsylvania
- Center of Excellence in Environmental Toxicology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Ling Duan
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Trevor M. Penning
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, Pennsylvania
- Center of Excellence in Environmental Toxicology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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3
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Paulukinas RD, Mesaros CA, Penning TM. Conversion of Classical and 11-Oxygenated Androgens by Insulin-Induced AKR1C3 in a Model of Human PCOS Adipocytes. Endocrinology 2022; 163:6585535. [PMID: 35560164 PMCID: PMC9162389 DOI: 10.1210/endocr/bqac068] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Indexed: 11/19/2022]
Abstract
Polycystic ovary syndrome (PCOS) is the most prevalent endocrinopathy in women. A common symptom of PCOS is hyperandrogenism (AE); however, the source of these androgens is uncertain. Aldo-keto reductase family 1 member C3 (AKR1C3) catalyzes the formation of testosterone (T) and 5α-dihydrotestosterone (DHT) in peripheral tissues, which activate the androgen receptor (AR). AKR1C3 is induced by insulin in adipocytes and may be central in driving the AE in PCOS. We elucidated the conversion of both classical and 11-oxygenated androgens to potent androgens in a model of PCOS adipocytes. Using high-performance liquid chromatography (HPLC) discontinuous kinetic assays to measure product formation by recombinant AKR1C3, we found that the conversion of 11-keto-Δ4-androstene-3,17-dione (11K-4AD) to 11-ketotestosterone (11K-T) and 11-keto-5α-androstane-3,17-dione (11K-5AD) to 11-keto-5α-dihydrotestosterone (11K-DHT) were superior to the formation of T and DHT. We utilized a stable isotope dilution liquid chromatography high resolution mass spectrometric (SID-LC-HRMS) assay for the quantification of both classical and 11-oxygenated androgens in differentiated Simpson-Golabi-Behmel syndrome adipocytes in which AKR1C3 was induced by insulin. Adipocytes were treated with adrenal derived 11β-hydroxy-Δ4-androstene-3,17-dione (11β-OH-4AD), 11K-4AD, or Δ4-androstene-3,17-dione (4AD). The conversion of 11β-OH-4AD and 11K-4AD to 11K-T required AKR1C3. We also found that once 11K-T is formed, it is inactivated to 11β-hydroxy-testosterone (11β-OH-T) by 11β-hydroxysteroid dehydrogenase type 1 (HSD11B1). Our data reveal a unique role for HSD11B1 in protecting the AR from AE. We conclude that the 11-oxygenated androgens formed in adipocytes may contribute to the hyperandrogenic profile of PCOS women and that AKR1C3 is a potential therapeutic target to mitigate the AE of PCOS.
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Affiliation(s)
- Ryan D Paulukinas
- Department of Systems Pharmacology and Translational Therapeutics, Philadelphia, PA 19104, USA
- Center of Excellence in Environmental Toxicology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Clementina A Mesaros
- Department of Systems Pharmacology and Translational Therapeutics, Philadelphia, PA 19104, USA
- Center of Excellence in Environmental Toxicology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Trevor M Penning
- Correspondence: Dr. Trevor M. Penning, Department of Systems Pharmacology and Translational Therapeutics, 1315 BRB II/III, 421 Curie Blvd., Philadelphia, PA 19104-6061, USA.
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Möller G, Temml V, Cala Peralta A, Gruet O, Richomme P, Séraphin D, Viault G, Kraus L, Huber-Cantonati P, Schopfhauser E, Pachmayr J, Tokarz J, Schuster D, Helesbeux JJ, Dyar KA. Analogues of Natural Chalcones as Efficient Inhibitors of AKR1C3. Metabolites 2022; 12:99. [PMID: 35208174 PMCID: PMC8876231 DOI: 10.3390/metabo12020099] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/14/2022] [Accepted: 01/17/2022] [Indexed: 12/27/2022] Open
Abstract
Naturally occurring substances are valuable resources for drug development. In this respect, chalcones are known to be antiproliferative agents against prostate cancer cell lines through various mechanisms or targets. Based on the literature and preliminary results, we aimed to study and optimise the efficiency of a series of chalcones to inhibit androgen-converting AKR1C3, known to promote prostate cancer. A total of 12 chalcones with different substitution patterns were synthesised. Structure-activity relationships associated with these modifications on AKR1C3 inhibition were analysed by performing enzymatic assays and docking simulations. In addition, the selectivity and cytotoxicity of the compounds were assessed. In enzymatic assays, C-6' hydroxylated derivatives were more active than C-6' methoxylated derivatives. In contrast, C-4 methylation increased activity over C-4 hydroxylation. Docking results supported these findings with the most active compounds fitting nicely in the binding site and exhibiting strong interactions with key amino acid residues. The most effective inhibitors were not cytotoxic for HEK293T cells and selective for 17β-hydroxysteroid dehydrogenases not primarily involved in steroid hormone metabolism. Nevertheless, they inhibited several enzymes of the steroid metabolism pathways. Favourable substitutions that enhanced AKR1C3 inhibition of chalcones were identified. This study paves the way to further develop compounds from this series or related flavonoids with improved inhibitory activity against AKR1C3.
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Affiliation(s)
- Gabriele Möller
- Institute for Diabetes and Cancer, Helmholtz Center Munich, German Research Center for Environmental Health, 85764 Neuherberg, Germany; (J.T.); (K.A.D.)
| | - Veronika Temml
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Paracelsus Medical University Salzburg, 5020 Salzburg, Austria; (V.T.); (E.S.); (D.S.)
| | - Antonio Cala Peralta
- University of Angers, SONAS, SFR QUASAV, F-49000 Angers, France; (A.C.P.); (O.G.); (P.R.); (D.S.); (G.V.); (J.-J.H.)
| | - Océane Gruet
- University of Angers, SONAS, SFR QUASAV, F-49000 Angers, France; (A.C.P.); (O.G.); (P.R.); (D.S.); (G.V.); (J.-J.H.)
| | - Pascal Richomme
- University of Angers, SONAS, SFR QUASAV, F-49000 Angers, France; (A.C.P.); (O.G.); (P.R.); (D.S.); (G.V.); (J.-J.H.)
| | - Denis Séraphin
- University of Angers, SONAS, SFR QUASAV, F-49000 Angers, France; (A.C.P.); (O.G.); (P.R.); (D.S.); (G.V.); (J.-J.H.)
| | - Guillaume Viault
- University of Angers, SONAS, SFR QUASAV, F-49000 Angers, France; (A.C.P.); (O.G.); (P.R.); (D.S.); (G.V.); (J.-J.H.)
| | - Luisa Kraus
- Institute of Pharmacy, Pharmaceutical Biology and Clinical Pharmacy, Paracelsus Medical University Salzburg, 5020 Salzburg, Austria; (L.K.); (P.H.-C.); (J.P.)
| | - Petra Huber-Cantonati
- Institute of Pharmacy, Pharmaceutical Biology and Clinical Pharmacy, Paracelsus Medical University Salzburg, 5020 Salzburg, Austria; (L.K.); (P.H.-C.); (J.P.)
| | - Elisabeth Schopfhauser
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Paracelsus Medical University Salzburg, 5020 Salzburg, Austria; (V.T.); (E.S.); (D.S.)
| | - Johanna Pachmayr
- Institute of Pharmacy, Pharmaceutical Biology and Clinical Pharmacy, Paracelsus Medical University Salzburg, 5020 Salzburg, Austria; (L.K.); (P.H.-C.); (J.P.)
| | - Janina Tokarz
- Institute for Diabetes and Cancer, Helmholtz Center Munich, German Research Center for Environmental Health, 85764 Neuherberg, Germany; (J.T.); (K.A.D.)
| | - Daniela Schuster
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Paracelsus Medical University Salzburg, 5020 Salzburg, Austria; (V.T.); (E.S.); (D.S.)
| | - Jean-Jacques Helesbeux
- University of Angers, SONAS, SFR QUASAV, F-49000 Angers, France; (A.C.P.); (O.G.); (P.R.); (D.S.); (G.V.); (J.-J.H.)
| | - Kenneth Allen Dyar
- Institute for Diabetes and Cancer, Helmholtz Center Munich, German Research Center for Environmental Health, 85764 Neuherberg, Germany; (J.T.); (K.A.D.)
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Yoo SH, Kim KR, Park NJY. Transitional cell metaplasia of the uterine cervix: A histopathological and immunohistochemical analysis suggesting a possible role of androgenic conversion during urothelial-like differentiation in peri/postmenopausal women. Ann Diagn Pathol 2021; 56:151839. [PMID: 34784541 DOI: 10.1016/j.anndiagpath.2021.151839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/18/2021] [Accepted: 10/04/2021] [Indexed: 11/26/2022]
Abstract
Transitional cell metaplasia (TCM) of the uterine cervix and vagina is typically seen in patients with adrenogenital syndrome with high serum androgen levels and in those under androgen treatment as well as in some peri/postmenopausal women. Considering that TCM occurs in patients with increased serum androgen levels, a microenvironment with altered sex hormones might be involved in the urothelial-like differentiation observed in TCM. To investigate a histogenetic role of androgen in TCM development, we compared the distribution patterns and intensity of androgen receptor (AR), estrogen receptor (ER), GATA3 (a transcription factor involved in androgen regulation), Ki-67, and AKR1C3 (an enzyme involved in androgen biosynthesis) expression in normal exocervical mucosa in young women (n = 25), senile atrophy (n = 23), and TCM (n = 29). In TCM, AR, ER, AKR1C3, and GATA3, expression was stronger and significantly increased upward into the intermediate and superficial layers compared with the senile atrophic mucosa and normal mucosa in young women. The epithelial layer in TCM is thicker than that in senile atrophic mucosa, although both conditions may occur in the same age group. Proliferation in TCM was significantly lower than that in young women but slightly higher than that in senile atrophy. Considering the conversion activity of AKR1C3, thicker epithelial layers in TCM compared with those in senile atrophy might be due to increased conversion of androstenedione to testosterone via increased AKR1C3 activity, increased conversion of testosterone to 17β-estradiol by aromatization, and AR activation.
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Affiliation(s)
- Su Hyun Yoo
- Department of Pathology, University of Inje Collage of Medicine, Sanggye Baik Hospital, Seoul, Republic of Korea
| | - Kyu-Rae Kim
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Nora Jee-Young Park
- Department of Pathology, Kyungpook National University Medical Center, Kyungpook National University School of Medicine, Daegu, Republic of Korea.
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Interactions between exposure to polycyclic aromatic hydrocarbons and xenobiotic metabolism genes, and risk of breast cancer. Breast Cancer 2021; 29:38-49. [PMID: 34351578 DOI: 10.1007/s12282-021-01279-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 07/25/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Polycyclic aromatic hydrocarbons (PAHs) are a group of environmental pollutants associated with multiple cancers, including female breast cancer. Several xenobiotic metabolism genes (XMGs), including the CYP450 family, play an important role in activating and detoxifying PAHs, and variations in the activity of the enzymes they encode can impact this process. This study aims to examine the association between XMGs and breast cancer, and to assess whether these variants modify the effects of PAH exposure on breast cancer risk. METHODS In a case-control study in Vancouver, British Columbia, and Kingston, Ontario, 1037 breast cancer cases and 1046 controls had DNA extracted from blood or saliva and genotyped for 138 single nucleotide polymorphisms (SNPs) and tagSNPs in 27 candidate XMGs. Occupational PAH exposure was assessed using a measurement-based job-exposure matrix. RESULTS An association between genetic variants and breast cancer was observed among six XMGs, including increased risk among the minor allele carriers of AKR1C3 variant rs12387 (OR 2.71, 95% CI 1.42-5.19) and AKR1C4 variant rs381267 (OR 2.50, 95% CI 1.23-5.07). Heterogeneous effects of occupational PAH exposure were observed among carriers of AKR1C3/4 variants, as well as the PTGS2 variant rs5275. CONCLUSION Our findings support an association between SNPs of XMGs and female breast cancer, including novel genetic variants that modify the toxicity of PAH exposure. These results highlight the interplay between genetic and environmental factors, which can be helpful in understanding the modifiable risks of breast cancer and its complex etiology.
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7
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He P, Wang C, Wang Y, Wang C, Zhou C, Cao D, Li J, Bushnell DA, Li Q, Kornberg RD, Xie W, Wang Z. A Novel AKR1C3 Specific Prodrug TH3424 With Potent Antitumor Activity in Liver Cancer. Clin Pharmacol Ther 2021; 110:229-237. [PMID: 33483974 DOI: 10.1002/cpt.2171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 11/01/2020] [Indexed: 12/24/2022]
Abstract
Overexpression of AKR1C3, an aldo-keto reductase, was recently discovered in liver cancers. In this study, an inverse correlation between AKR1C3 expression and survival of patients with liver cancer was observed. AKR1C3 inhibitors, however, failed to suppress liver cancer cell growth. The prodrug TH3424, which releases a DNA alkylating reagent upon reduction by AKR1C3, was developed to target tumors with overexpression of AKR1C3. TH3424 showed specific killing of liver cancer cells with AKR1C3 overexpression both in vitro and in vivo. In patient-derived mouse xenograft models, TH3424 at doses as low as 1.5 mg/kg eliminated liver tumors with no apparent toxicity. Therefore, TH3424 is a promising drug candidate for liver cancer and other types of cancers overexpressing AKR1C3.
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Affiliation(s)
- Ping He
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China.,Centre for Cellular & Structural Biology, Sun Yat-Sen University, Guangzhou, China
| | - Chunnian Wang
- Shanghai Institute for Advanced Immunochemical Studies, Shanghai Tech University, Shanghai, China
| | - Yanlan Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China.,Centre for Cellular & Structural Biology, Sun Yat-Sen University, Guangzhou, China
| | - Caiyan Wang
- International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Changhua Zhou
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China.,Centre for Cellular & Structural Biology, Sun Yat-Sen University, Guangzhou, China
| | - Donglin Cao
- Department of Laboratory Medicine, Guangdong No. 2 Provincial People's Hospital, Guangzhou, China
| | - Jiang Li
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Sun Yat-Sen University, Guangzhou, China
| | - David A Bushnell
- Department of Structural Biology, Stanford University, Stanford, California, USA
| | - Qing Li
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China.,Centre for Cellular & Structural Biology, Sun Yat-Sen University, Guangzhou, China
| | - Roger D Kornberg
- Centre for Cellular & Structural Biology, Sun Yat-Sen University, Guangzhou, China.,Department of Structural Biology, Stanford University, Stanford, California, USA
| | - Wei Xie
- Centre for Cellular & Structural Biology, Sun Yat-Sen University, Guangzhou, China.,MOE Key Laboratory of Gene Function and Regulation, School of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Zhong Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China.,Centre for Cellular & Structural Biology, Sun Yat-Sen University, Guangzhou, China
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Penning TM, Asangani IA, Sprenger C, Plymate S. Intracrine androgen biosynthesis and drug resistance. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2020; 3:912-929. [PMID: 35582223 PMCID: PMC8992556 DOI: 10.20517/cdr.2020.60] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/30/2020] [Accepted: 10/10/2020] [Indexed: 06/15/2023]
Abstract
Castration-resistant prostate cancer is the lethal form of prostate cancer and most commonly remains dependent on androgen receptor (AR) signaling. Current therapies use AR signaling inhibitors (ARSI) exemplified by abiraterone acetate, a P450c17 inhibitor, and enzalutamide, a potent AR antagonist. However, drug resistance to these agents occurs within 12-18 months and they only prolong overall survival by 3-4 months. Multiple mechanisms can contribute to ARSI drug resistance. These mechanisms can include but are not limited to germline mutations in the AR, post-transcriptional alterations in AR structure, and adaptive expression of genes involved in the intracrine biosynthesis and metabolism of androgens within the tumor. This review focuses on intracrine androgen biosynthesis, how this can contribute to ARSI drug resistance, and therapeutic strategies that can be used to surmount these resistance mechanisms.
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Affiliation(s)
- Trevor M. Penning
- Department of Systems Pharmacology & Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Irfan A. Asangani
- Department Cancer Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Cynthia Sprenger
- Division of Gerontology & Geriatric Medicine, Department of Medicine, University of Washington, Seattle, WA 98109, USA
| | - Stephen Plymate
- Division of Gerontology & Geriatric Medicine, Department of Medicine, University of Washington, Seattle, WA 98109, USA
- Geriatric Research Education and Clinical Center (GRECC), VA Puget Sound Health Care System, Seattle, WA 98108, USA
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9
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Gagliardi M, Saverio V, Monzani R, Ferrari E, Piacentini M, Corazzari M. Ferroptosis: a new unexpected chance to treat metastatic melanoma? Cell Cycle 2020; 19:2411-2425. [PMID: 32816618 PMCID: PMC7553499 DOI: 10.1080/15384101.2020.1806426] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/14/2020] [Accepted: 07/28/2020] [Indexed: 01/14/2023] Open
Abstract
Human skin melanoma is one of the most aggressive and difficult to treat human malignancies, with an increasing incidence over the years. While the resection of the early diagnosed primary tumor remains the best clinical approach, advanced/metastatic melanoma still remains with a poor prognosis. Indeed, although enormous progress in the therapeutic treatment of human tumors has been made in recent years, patients affected by metastatic melanoma are still poorly affected by these clinical advances. Therefore, new valuable therapeutic approaches are urgently needed, to design and define effective treatments to consistently increase the overall survival rate of patients affected by this malignancy. In this review we summarize the main signaling pathways studied to kill human skin melanoma, and introduce the ferroptotic cell death as a new pathway to be explored to eradicate this tumor.
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Affiliation(s)
- Mara Gagliardi
- Department of Health Science, University of Piemonte Orientale, Novara, Italy
- Center for Translational Research on Autoimmune and Allergic Disease (CAAD), University of Piemonte Orientale, Novara, Italy
| | - Valentina Saverio
- Department of Health Science, University of Piemonte Orientale, Novara, Italy
- Center for Translational Research on Autoimmune and Allergic Disease (CAAD), University of Piemonte Orientale, Novara, Italy
| | - Romina Monzani
- Department of Health Science, University of Piemonte Orientale, Novara, Italy
- Center for Translational Research on Autoimmune and Allergic Disease (CAAD), University of Piemonte Orientale, Novara, Italy
| | - Eleonora Ferrari
- Department of Health Science, University of Piemonte Orientale, Novara, Italy
- Center for Translational Research on Autoimmune and Allergic Disease (CAAD), University of Piemonte Orientale, Novara, Italy
| | - Mauro Piacentini
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
- Institute of Cytology of the Russian Academy of Sciences, Saint Petersburg, Russia
| | - Marco Corazzari
- Department of Health Science, University of Piemonte Orientale, Novara, Italy
- Center for Translational Research on Autoimmune and Allergic Disease (CAAD), University of Piemonte Orientale, Novara, Italy
- Interdisciplinary Research Center of Autoimmune Diseases (IRCAD), University of Piemonte Orientale, Novara, Italy
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Sali VK, Mani S, Meenaloshani G, Velmurugan Ilavarasi A, Vasanthi HR. Type 5 17-hydroxysteroid dehydrogenase/prostaglandin F synthase (AKR1C3) inhibition and potential anti-proliferative activity of cholest-4-ene-3,6-dione in MCF-7 breast cancer cells. Steroids 2020; 159:108638. [PMID: 32209376 DOI: 10.1016/j.steroids.2020.108638] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 02/10/2020] [Accepted: 03/18/2020] [Indexed: 12/28/2022]
Abstract
Cholest-4-ene-3,6-dione (KS) is a cholesterol oxidation product which exhibits anti-proliferative activity. However, its precise mechanism of action remains unknown. In this study, the effects of KS on AKR1C3 inhibition and anti-proliferative activities were investigated in the hormone-dependent MCF-7 breast cancer cells. We identified that KS arrested the enzymatic conversion of estrone to 17-β estradiol, by inhibiting AKR1C3 in intact MCF-7 cells. The anti-proliferative effects of KS were evaluated by MTT assay, acridine orange and ethidium bromide dual staining, cell cycle analysis and Western blotting. KS arrested the cell cycle progression in the G1 phase with a concomitant increase of the Sub-G0 population to increase in concentration and time. It also enhanced the p53 and NFkB expression and induced caspase-12, 9 and 3 processing and down-regulated the Bcl-2 expression. Molecular docking studies performed to understand the inhibition mechanism of KS on AKR1C3 revealed that KS occupied the binding region of AKR1C3 with almost similar orientation as indomethacin (IM), thereby acting as an antagonistic agent for AKR1C3. Based on the results it is identified that KS induces inhibition of AKR1C3 and cell death in MCF-7 cells. These results indicate that KS can be used as a molecular scaffold for further development of novel small-molecules with better specificity towards AKR1C3.
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Affiliation(s)
- Veeresh Kumar Sali
- Natural Products Research Laboratory, Department of Biotechnology, Pondicherry University, Puducherry 605014, India
| | - Sugumar Mani
- Natural Products Research Laboratory, Department of Biotechnology, Pondicherry University, Puducherry 605014, India
| | - G Meenaloshani
- National College (Autonomous), Tiruchirappalli, Tamil Nadu 620001, India
| | | | - Hannah R Vasanthi
- Natural Products Research Laboratory, Department of Biotechnology, Pondicherry University, Puducherry 605014, India.
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11
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Penning TM, Detlefsen AJ. Intracrinology-revisited and prostate cancer. J Steroid Biochem Mol Biol 2020; 196:105499. [PMID: 31614208 PMCID: PMC6954292 DOI: 10.1016/j.jsbmb.2019.105499] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 10/08/2019] [Indexed: 01/22/2023]
Abstract
The formation of steroid hormones in peripheral target tissues is referred to as their intracrine formation. This process occurs in hormone dependent malignancies such as prostate and breast cancer in which the disease can be either castrate resistant or occur post-menopausally, respectively. In these instances, the major precursor steroid of androgens and estrogens is dehydroepiandrosterone (DHEA) and DHEA-SO4. This article reviews the major pathways by which adrenal steroids are converted to the potent male sex hormones, testosterone (T) and 5α-dihydrotestosterone (5α-DHT) and the discrete enzyme isoforms involved in castration resistant prostate cancer. Previous studies have mainly utilized radiotracers to investigate these pathways but have not used prevailing concentrations of precursors found in castrate male human serum. In addition, the full power of stable-isotope dilution liquid chromatography tandem mass spectrometry has not been applied routinely. Furthermore, it is clear that adaptive responses occur in the transporters and enzyme isoforms involved in response to androgen deprivation therapy that need to be considered.
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Affiliation(s)
- Trevor M Penning
- Center of Excellence in Environmental Toxicology, Department of Systems Pharmacology & Translational Therapeutics, 421 Curie Blvd, 1350 BRBII/IIII, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104-6084, United States.
| | - Andrea J Detlefsen
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania School Philadelphia, PA, United States
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12
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Park S, Song CS, Lin CL, Jiang S, Osmulski PA, Wang CM, Marck BT, Matsumoto AM, Morrissey C, Gaczynska ME, Chen Y, Mostaghel EA, Chatterjee B. Inhibitory Interplay of SULT2B1b Sulfotransferase with AKR1C3 Aldo-keto Reductase in Prostate Cancer. Endocrinology 2020; 161:bqz042. [PMID: 31894239 PMCID: PMC7341717 DOI: 10.1210/endocr/bqz042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 12/30/2019] [Indexed: 12/22/2022]
Abstract
SULT2B1b (SULT2B) is a prostate-expressed hydroxysteroid sulfotransferase, which may regulate intracrine androgen homeostasis by mediating 3β-sulfation of dehydroepiandrosterone (DHEA), the precursor for 5α-dihydrotestosterone (DHT) biosynthesis. The aldo-keto reductase (AKR)1C3 regulates androgen receptor (AR) activity in castration-resistant prostate cancer (CRPC) by promoting tumor tissue androgen biosynthesis from adrenal DHEA and also by functioning as an AR-selective coactivator. Herein we report that SULT2B-depleted CRPC cells, arising from stable RNA interference or gene knockout (KO), are markedly upregulated for AKR1C3, activated for ERK1/2 survival signal, and induced for epithelial-to-mesenchymal (EMT)-like changes. EMT was evident from increased mesenchymal proteins and elevated EMT-inducing transcription factors SNAI1 and TWIST1 in immunoblot and single-cell mass cytometry analyses. SULT2B KO cells showed greater motility and invasion in vitro; growth escalation in xenograft study; and enhanced metastatic potential predicted on the basis of decreased cell stiffness and adhesion revealed from atomic force microscopy analysis. While AR and androgen levels were unchanged, AR activity was elevated, since PSA and FKBP5 mRNA induction by DHT-activated AR was several-fold higher in SULT2B-silenced cells. AKR1C3 silencing prevented ERK1/2 activation and SNAI1 induction in SULT2B-depleted cells. SULT2B was undetectable in nearly all CRPC metastases from 50 autopsy cases. Primary tumors showed variable and Gleason score (GS)-independent SULT2B levels. CRPC metastases lacking SULT2B expressed AKR1C3. Since AKR1C3 is frequently elevated in advanced prostate cancer, the inhibitory influence of SULT2B on AKR1C3 upregulation, ERK1/2 activation, EMT-like induction, and on cell motility and invasiveness may be clinically significant. Pathways regulating the inhibitory SULT2B-AKR1C3 axis may inform new avenue(s) for targeting SULT2B-deficient prostate cancer.
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Affiliation(s)
- Sulgi Park
- Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, Texas
- Department of Microbiology & Immunology, Pusan National University School of Medicine, South Korea
- South Texas Veterans Health Care System, San Antonio, Texas
| | - Chung-Seog Song
- Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, Texas
- South Texas Veterans Health Care System, San Antonio, Texas
| | - Chun-Lin Lin
- Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, Texas
| | - Shoulei Jiang
- Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, Texas
- South Texas Veterans Health Care System, San Antonio, Texas
| | - Pawel A Osmulski
- Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, Texas
| | - Chiou-Miin Wang
- Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, Texas
| | - Brett T Marck
- Geriatric Research, Education & Clinical Center, VA Puget Sound Health Care System, Seattle, WA
| | - Alvin M Matsumoto
- Geriatric Research, Education & Clinical Center, VA Puget Sound Health Care System, Seattle, WA
| | - Colm Morrissey
- Department of Urology, University of Washington, Seattle, WA
| | - Maria E Gaczynska
- Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, Texas
| | - Yidong Chen
- Department of Epidemiology & Biostatistics, University of Texas Health San Antonio, San Antonio, Texas
- Greehy Children’s Cancer Research Institute, University of Texas Health San Antonio, San Antonio, Texas
| | - Elahe A Mostaghel
- Geriatric Research, Education & Clinical Center, VA Puget Sound Health Care System, Seattle, WA
- Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Bandana Chatterjee
- Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, Texas
- South Texas Veterans Health Care System, San Antonio, Texas
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13
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Poojith N, Potla KM, Osório FAP, Valverde C, Vankayalapati S, Suchetan PA, Raja M. Y-shaped potential third-order nonlinear optical material – 3-(2-amino-2-oxoethyl)-5-methyl hexanoic acid: an analysis of structural, spectroscopic and docking studies. NEW J CHEM 2020. [DOI: 10.1039/d0nj02658a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The merit of this work is that it has clearly established the structure and the nonlinear optical properties relationship of the title molecule and it could be helpful for developing new nonlinear optical materials.
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Affiliation(s)
| | - Krishna Murthy Potla
- Department of Chemistry
- Bapatla Engineering College (Autonomous)
- Acharya Nagarjuna University Post Graduate Research Centre
- Bapatla-522 102
- India
| | - Francisco A. P. Osório
- Instituto de Física
- Universidade Federal de Goiás
- Goiânia
- Brazil
- Pontifícia Universidade Católica de Goiás
| | - Clodoaldo Valverde
- Laboratório de Modelagem Molecular Aplicada e Simulação (LaMMAS)
- Campus de Ciências Exatas e Tecnológicas
- Universidade Estadual de Goiás
- Anápolis
- Brazil
| | - Suneetha Vankayalapati
- Sri Ramachandra Institute of Higher Education and Research
- Chennai
- India
- Department of Chemistry
- Bapatla College of Arts and Sciences
| | - P. A. Suchetan
- Department of Studies and Research in Chemistry
- University College of Science
- Tumkur University
- Tumkur-572 103
- India
| | - M. Raja
- Department of Physics
- Govt. Thirumagal Mills College
- Vellore
- India
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14
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Aldo-keto reductase 1C3-Assessment as a new target for the treatment of endometriosis. Pharmacol Res 2019; 152:104446. [PMID: 31546014 DOI: 10.1016/j.phrs.2019.104446] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 08/08/2019] [Accepted: 09/05/2019] [Indexed: 02/07/2023]
Abstract
Endometriosis is a common gynecological disorder, which is treated surgically and/ or pharmacologically with an unmet clinical need for new therapeutics. A completed phase I trial and a recent phase II trial that investigated the steroidal aldo-keto reductase 1C3 (AKR1C3) inhibitor BAY1128688 in endometriosis patients prompted this critical assessment on the role of AKR1C3 in endometriosis. This review includes an introduction to endometriosis with emphasis on the roles of prostaglandins and progesterone in its pathophysiology. This is followed by an overview of the major enzymatic activities and physiological functions of AKR1C3 and of the data published to date on the expression of AKR1C3 in endometriosis at the mRNA and protein levels. The review concludes with the rationale for using AKR1C3 inhibitors, a discussion of the effects of AKR1C3 inhibition on the pathophysiology of endometriosis and a brief overview of other drugs under clinical investigation for this indication.
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15
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McNamara KM, Sasano H. The role of 17βHSDs in breast tissue and breast cancers. Mol Cell Endocrinol 2019; 489:32-44. [PMID: 30408503 DOI: 10.1016/j.mce.2018.10.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 10/26/2018] [Accepted: 10/29/2018] [Indexed: 12/12/2022]
Abstract
The family of seventeen beta hydroxysteroid dehydrogenase enzymes has a long and diverse history in breast and breast cancer research. Given the known dependence of the breast on steroid signalling and intracrine steroid metabolism these enzymes are considered to be essential local fine tuners of overall steroid balance in the tissue. This review will cover the current state of knowledge regarding the expression, clinical effect and biological regulation of enzymes in both cancerous and normal states. In addition we will also cover the current state of knowledge regarding 17βHSD actions in the often neglected adipose and stromal components of tumours.
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Affiliation(s)
- Keely May McNamara
- Department of Anatomic Pathology, School of Graduate Medicine, Tohoku University, Japan.
| | - Hironobu Sasano
- Department of Anatomic Pathology, School of Graduate Medicine, Tohoku University, Japan
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16
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Penning TM. AKR1C3 (type 5 17β-hydroxysteroid dehydrogenase/prostaglandin F synthase): Roles in malignancy and endocrine disorders. Mol Cell Endocrinol 2019; 489:82-91. [PMID: 30012349 PMCID: PMC6422768 DOI: 10.1016/j.mce.2018.07.002] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 06/12/2018] [Accepted: 07/03/2018] [Indexed: 12/11/2022]
Abstract
Aldo-Keto-Reductase 1C3 (type 5 17β-hydroxysteroid dehydrogenase (HSD)/prostaglandin (PG) F2α synthase) is the only 17β-HSD that is not a short-chain dehydrogenase/reductase. By acting as a 17-ketosteroid reductase, AKR1C3 produces potent androgens in peripheral tissues which activate the androgen receptor (AR) or act as substrates for aromatase. AKR1C3 is implicated in the production of androgens in castration-resistant prostate cancer (CRPC) and polycystic ovarian syndrome; and is implicated in the production of aromatase substrates in breast cancer. By acting as an 11-ketoprostaglandin reductase, AKR1C3 generates 11β-PGF2α to activate the FP receptor and deprives peroxisome proliferator activator receptorγ of its putative PGJ2 ligands. These growth stimulatory signals implicate AKR1C3 in non-hormonal dependent malignancies e.g. acute myeloid leukemia (AML). AKR1C3 moonlights by acting as a co-activator of the AR and stabilizes ubiquitin ligases. AKR1C3 inhibitors have been used clinically for CRPC and AML and can be used to probe its pluripotency.
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Affiliation(s)
- Trevor M Penning
- Department of Systems Pharmacology and Translational Therapeutics and Center of Excellence in Environmental Toxicology, Perelman School of Medicine, University of Pennsylvania, 1315 BRBII/III 421 Curie Blvd, Philadelphia, PA, 19104, USA.
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17
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Hiltunen JK, Kastaniotis AJ, Autio KJ, Jiang G, Chen Z, Glumoff T. 17B-hydroxysteroid dehydrogenases as acyl thioester metabolizing enzymes. Mol Cell Endocrinol 2019; 489:107-118. [PMID: 30508570 DOI: 10.1016/j.mce.2018.11.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 11/23/2018] [Accepted: 11/23/2018] [Indexed: 01/10/2023]
Abstract
17β-Hydroxysteroid dehydrogenases (HSD17B) catalyze the oxidation/reduction of 17β-hydroxy/keto group in position C17 in C18- and C19 steroids. Most HSD17Bs are also catalytically active with substrates other than steroids. A subset of these enzymes is able to process thioesters of carboxylic acids. This group of enzymes includes HSD17B4, HSD17B8, HSD17B10 and HSD17B12, which execute reactions in intermediary metabolism, participating in peroxisomal β-oxidation of fatty acids, mitochondrial oxidation of 3R-hydroxyacyl-groups, breakdown of isoleucine and fatty acid chain elongation in endoplasmic reticulum. Divergent substrate acceptance capabilities exemplify acquirement of catalytic site adaptiveness during evolution. As an additional common feature these HSD17Bs are multifunctional enzymes that arose either via gene fusions (HSD17B4) or are incorporated as subunits into multifunctional protein complexes (HSD17B8 and HSD17B10). Crystal structures of HSD17B4, HSD17B8 and HSD17B10 give insight into their structure-function relationships. Thus far, deficiencies of HSD17B4 and HSD17B10 have been assigned to inborn errors in humans, underlining their significance as enzymes of metabolism.
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Affiliation(s)
- J Kalervo Hiltunen
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland; State Key Laboratory of Supramolecular Structure and Materials and Institute of Theoretical Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, PR China.
| | | | - Kaija J Autio
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Guangyu Jiang
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Zhijun Chen
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland; State Key Laboratory of Supramolecular Structure and Materials and Institute of Theoretical Chemistry, Jilin University, 2699 Qianjin Street, Changchun, 130012, PR China
| | - Tuomo Glumoff
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
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18
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Miyazaki Y, Teramoto Y, Shibuya S, Goto T, Okasho K, Mizuno K, Uegaki M, Yoshikawa T, Akamatsu S, Kobayashi T, Ogawa O, Inoue T. Consecutive Prostate Cancer Specimens Revealed Increased Aldo⁻Keto Reductase Family 1 Member C3 Expression with Progression to Castration-Resistant Prostate Cancer. J Clin Med 2019; 8:E601. [PMID: 31052459 PMCID: PMC6571723 DOI: 10.3390/jcm8050601] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 04/23/2019] [Accepted: 04/26/2019] [Indexed: 01/03/2023] Open
Abstract
Aldo-keto reductase family 1 member C3 (AKR1C3) is an enzyme in the steroidogenesis pathway, especially in formation of testosterone and dihydrotestosterone, and is believed to have a key role in promoting prostate cancer (PCa) progression, particularly in castration-resistant prostate cancer (CRPC). This study aims to compare the expression level of AKR1C3 between benign prostatic epithelium and cancer cells, and among hormone-naïve prostate cancer (HNPC) and CRPC from the same patients, to understand the role of AKR1C3 in PCa progression. Correlation of AKR1C3 immunohistochemical expression between benign and cancerous epithelia in 134 patient specimens was analyzed. Additionally, correlation between AKR1C3 expression and prostate-specific antigen (PSA) progression-free survival (PFS) after radical prostatectomy was analyzed. Furthermore, we evaluated the consecutive prostate samples derived from 11 patients both in the hormone-naïve and castration-resistant states. AKR1C3 immunostaining of cancer epithelium was significantly stronger than that of the benign epithelia in patients with localized HNPC (p < 0.0001). High AKR1C3 expression was an independent factor of poor PSA PFS (p = 0.032). Moreover, AKR1C3 immunostaining was significantly stronger in CRPC tissues than in HNPC tissues in the same patients (p = 0.0234). Our findings demonstrate that AKR1C3 is crucial in PCa progression.
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Affiliation(s)
- Yu Miyazaki
- Department of Urology, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan.
| | - Yuki Teramoto
- Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto 606-8507, Japan.
| | - Shinsuke Shibuya
- Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto 606-8507, Japan.
| | - Takayuki Goto
- Department of Urology, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan.
| | - Kosuke Okasho
- Department of Urology, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan.
| | - Kei Mizuno
- Department of Urology, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan.
| | - Masayuki Uegaki
- Department of Urology, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan.
| | - Takeshi Yoshikawa
- Department of Urology, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan.
| | - Shusuke Akamatsu
- Department of Urology, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan.
| | - Takashi Kobayashi
- Department of Urology, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan.
| | - Osamu Ogawa
- Department of Urology, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan.
| | - Takahiro Inoue
- Department of Urology, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan.
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19
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Liu J, He P, Lin L, Zhao Y, Deng W, Ding H, Li Q, Wang Z. Characterization of a highly specific monoclonal antibody against human aldo-keto reductase AKR1C3. Steroids 2019; 143:73-79. [PMID: 30639543 DOI: 10.1016/j.steroids.2019.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Revised: 12/28/2018] [Accepted: 01/03/2019] [Indexed: 10/27/2022]
Abstract
Human aldo-keto reductase AKR1C3 (type 2 3α-hydroxysteroid dehydrogenase/type 5 17β-hydroxysteroid dehydrogenase) is involved in testosterone and estrogen metabolism. AKR1C3 expression is relatively low in most tissues and high in prostate and mammary glands in regulating androgen and estrogen levels. However, in many cancers, overexpression of AKR1C3 was observed, thus prompting the development of therapeutics targeting AKR1C3. To facilitate the development of AKR1C3 targeting therapeutics, evaluating the expression of AKR1C3 is vital. As AKR1C3 is highly homologous with its family proteins, AKR1C1, AKR1C2, AKR1C4 and other AKR1 proteins, reagents that can unambiguously discriminate these enzymes are needed. In this report, a highly specific monoclonal antibody for AKR1C3, 10B10, was developed and characterized. Compared to other AKR1C3 antibodies, 10B10 is highly specific and sensitive to AKR1C3 in multiple assay formats. Thus, 10B10 will be a valuable tool for the clinical development of AKR1C3 targeting therapeutics and the study of AKR1C3 biology.
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Affiliation(s)
- Jiayu Liu
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China.
| | - Ping He
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China.
| | - Limin Lin
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China.
| | - Yining Zhao
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China.
| | - Wentong Deng
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China.
| | - Hejiazi Ding
- Departments of Biochemistry, The University of Iowa, Iowa City, IA 52242, United States.
| | - Qing Li
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China.
| | - Zhong Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China.
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20
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Storbeck KH, Mostaghel EA. Canonical and Noncanonical Androgen Metabolism and Activity. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1210:239-277. [PMID: 31900912 DOI: 10.1007/978-3-030-32656-2_11] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Androgens are critical drivers of prostate cancer. In this chapter we first discuss the canonical pathways of androgen metabolism and their alterations in prostate cancer progression, including the classical, backdoor and 5α-dione pathways, the role of pre-receptor DHT metabolism, and recent findings on oncogenic splicing of steroidogenic enzymes. Next, we discuss the activity and metabolism of non-canonical 11-oxygenated androgens that can activate wild-type AR and are less susceptible to glucuronidation and inactivation than the canonical androgens, thereby serving as an under-recognized reservoir of active ligands. We then discuss an emerging literature on the potential non-canonical role of androgen metabolizing enzymes in driving prostate cancer. We conclude by discussing the potential implications of these findings for prostate cancer progression, particularly in context of new agents such as abiraterone and enzalutamide, which target the AR-axis for prostate cancer therapy, including mechanisms of response and resistance and implications of these findings for future therapy.
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Affiliation(s)
- Karl-Heinz Storbeck
- Department of Biochemistry, Stellenbosch University, Stellenbosch, South Africa
| | - Elahe A Mostaghel
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA. .,Department of Medicine, University of Washington, Seattle, WA, USA. .,Geriatric Research, Education and Clinical Center S-182, VA Puget Sound Health Care System, Seattle, WA, USA.
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21
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Hu DG, Marri S, McKinnon RA, Mackenzie PI, Meech R. Deregulation of the Genes that Are Involved in Drug Absorption, Distribution, Metabolism, and Excretion in Hepatocellular Carcinoma. J Pharmacol Exp Ther 2018; 368:363-381. [PMID: 30578287 DOI: 10.1124/jpet.118.255018] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 12/19/2018] [Indexed: 12/25/2022] Open
Abstract
Genes involved in drug absorption, distribution, metabolism, and excretion (ADME) are called ADME genes. Currently, 298 genes that encode phase I and II drug metabolizing enzymes, transporters, and modifiers are designated as ADME genes by the PharmaADME Consortium. ADME genes are highly expressed in the liver and their levels can be influenced by liver diseases such as hepatocellular carcinoma (HCC). In this study, we obtained RNA-sequencing and microRNA (miRNA)-sequencing data from 371 HCC patients via The Cancer Genome Atlas liver hepatocellular carcinoma project and performed ADME gene-targeted differential gene expression analysis and expression correlation analysis. Two hundred thirty-three of the 298 ADME genes (78%) were expressed in HCC. Of these genes, almost one-quarter (58 genes) were significantly downregulated, while only 6% (15) were upregulated in HCC relative to healthy liver. Moreover, one-half (14/28) of the core ADME genes (CYP1A2, CYP2A6, CYP2B6, CYP2C8, CYP2C9, CYP2C19, CYP2E1, CYP3A4, NAT1, NAT2, UGT2B7, SLC22A1, SLCO1B1, and SLCO1B3) were downregulated. In addition, about one-half of the core ADME genes were positively correlated with each other and were also positively (AHR, ARNT, HNF4A, PXR, CAR, PPARA, and RXRA) or negatively (PPARD and PPARG) correlated with transcription factors known as ADME modifiers. Finally, we show that most miRNAs known to regulate core ADME genes are upregulated in HCC. Collectively, these data reveal 1) an extensive transcription factor-mediated ADME coexpression network in the liver that efficiently coordinates the metabolism and elimination of endogenous and exogenous compounds; and 2) a widespread deregulation of this network in HCC, most likely due to deregulation of both transcriptional and post-transcriptional (miRNA) pathways.
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Affiliation(s)
- Dong Gui Hu
- Department of Clinical Pharmacology and Flinders Centre for Innovation in Cancer (D.G.H., R.A.M., P.I.M., R.M.), and Department of Molecular Medicine and Pathology (S.M.), Flinders University College of Medicine and Public Health, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Shashikanth Marri
- Department of Clinical Pharmacology and Flinders Centre for Innovation in Cancer (D.G.H., R.A.M., P.I.M., R.M.), and Department of Molecular Medicine and Pathology (S.M.), Flinders University College of Medicine and Public Health, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Ross A McKinnon
- Department of Clinical Pharmacology and Flinders Centre for Innovation in Cancer (D.G.H., R.A.M., P.I.M., R.M.), and Department of Molecular Medicine and Pathology (S.M.), Flinders University College of Medicine and Public Health, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Peter I Mackenzie
- Department of Clinical Pharmacology and Flinders Centre for Innovation in Cancer (D.G.H., R.A.M., P.I.M., R.M.), and Department of Molecular Medicine and Pathology (S.M.), Flinders University College of Medicine and Public Health, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Robyn Meech
- Department of Clinical Pharmacology and Flinders Centre for Innovation in Cancer (D.G.H., R.A.M., P.I.M., R.M.), and Department of Molecular Medicine and Pathology (S.M.), Flinders University College of Medicine and Public Health, Flinders Medical Centre, Bedford Park, South Australia, Australia
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22
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Barnard M, Quanson JL, Mostaghel E, Pretorius E, Snoep JL, Storbeck KH. 11-Oxygenated androgen precursors are the preferred substrates for aldo-keto reductase 1C3 (AKR1C3): Implications for castration resistant prostate cancer. J Steroid Biochem Mol Biol 2018; 183:192-201. [PMID: 29936123 PMCID: PMC6283102 DOI: 10.1016/j.jsbmb.2018.06.013] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 06/19/2018] [Accepted: 06/20/2018] [Indexed: 01/13/2023]
Abstract
The progression of castration resistant prostate cancer (CRPC) is driven by the intratumoral conversion of adrenal androgen precursors to potent androgens. The expression of aldo-keto reductase 1C3 (AKR1C3), which catalyses the reduction of weak androgens to more potent androgens, is significantly increased in CRPC tumours. The oxidation of androgens to their inactive form is catalysed by 17β-hydroxysteroid dehydrogenase type 2 (17βHSD2), but little attention is given to the expression levels of this enzyme. In this study, we show that the 11-oxygenated androgen precursors of adrenal origin are the preferred substrate for AKR1C3. In particular we show that the enzymatic efficiency of AKR1C3 is 8- and 24-fold greater for 11-ketoandrostenedione than for the classic substrates androstenedione and 5α-androstanedione, respectively. Using three independent experimental systems and a computational model we subsequently show that increased ratios of AKR1C3:17βHSD2 significantly favours the flux through the 11-oxygenated androgen pathway as compared to the classical or 5α-androstanedione pathways. Our findings reveal that the flux through the classical and 5α-androstanedione pathways are limited by the low catalytic efficiently of AKR1C3 towards classical androgens combined with the high catalytic efficiency of 17βHSD2, and that the expression of the oxidative enzyme therefore plays a vital role in determining the steady state concentration of active androgens. Using microarray data from prostate tissue we confirm that the AKR1C3:17βHSD2 ratio is significantly increased in patients undergoing androgen deprivation therapy as compared to benign tissue, and further increased in patients with CRPC. Taken together this study therefore demonstrates that the ratio of AKR1C3:17βHSD2 is more important than AKR1C3 expression alone in determining intratumoral androgen levels and that 11-oxygenated androgens may play a bigger role in CRPC than previously anticipated.
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Affiliation(s)
- Monique Barnard
- Department of Biochemistry, Stellenbosch University, Stellenbosch, South Africa
| | - Jonathan L Quanson
- Department of Biochemistry, Stellenbosch University, Stellenbosch, South Africa
| | | | - Elzette Pretorius
- Department of Biochemistry, Stellenbosch University, Stellenbosch, South Africa
| | - Jacky L Snoep
- Department of Biochemistry, Stellenbosch University, Stellenbosch, South Africa; Department of Molecular Cell Physiology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands; MIB, University of Manchester, Manchester, UK
| | - Karl-Heinz Storbeck
- Department of Biochemistry, Stellenbosch University, Stellenbosch, South Africa.
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23
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Santucci-Pereira J, Pogash TJ, Patel A, Hundal N, Barton M, Camoirano A, Micale RT, La Maestra S, Balansky R, De Flora S, Russo J. Aspirin abrogates impairment of mammary gland differentiation induced by early in life second-hand smoke in mice. Carcinogenesis 2018; 39:1037-1044. [PMID: 29788174 PMCID: PMC6067120 DOI: 10.1093/carcin/bgy064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 04/20/2018] [Accepted: 05/14/2018] [Indexed: 01/25/2023] Open
Abstract
Epidemiological studies show that there is limited evidence that tobacco smoking causes breast cancer in humans. In rodents, many tobacco smoke chemicals cause mammary gland tumors. This study evaluated the mammary gland differentiation in mice exposed to environmental cigarette smoke (ECS), using 3R4F Kentucky reference cigarettes, starting after birth and continuing daily for 10 weeks (total particulate exposure 95 mg/m3; CO 610 ppm). We also analyzed the effects of oral administration of non-steroidal anti-inflammatory drugs (NSAIDs), aspirin (1600 mg/kg) or naproxen (320 mg/kg), on mammary gland differentiation, either in unexposed or ECS-exposed mice. The ECS exposure caused delay of mammary glands development. We speculate that this delay may result from aryl hydrocarbon receptor (AHR) signaling activation, which has an antiestrogenic effect and crosstalk to the estrogen metabolism pathway. Similarly, naproxen impaired gland differentiation in unexposed and ECS-exposed mice, while aspirin hindered its development only in unexposed mice. The lack of differentiation induced by the NSAIDs could be explained by their antiestrogenic effect through inhibition of aldo-keto reductases. In ECS-exposed animals, aspirin induced intense lobular formation, which could indicate that aspirin is counteracting the AHR signaling induced by ECS. Based on the differentiation induced by aspirin in ECS-exposed animals, we postulate that these mice would be less susceptible to mammary carcinogenesis. Our results suggest that exposure to smoke at an early age impairs the development of the mammary gland, thus resulting in a longer period of susceptibility and increased risk of breast cancer. However, addition of aspirin can abrogate this effect.
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Affiliation(s)
- Julia Santucci-Pereira
- The Irma H. Russo, MD Breast Cancer Research Laboratory, Fox Chase Cancer Center - Temple University Health System, Philadelphia, PA, USA
| | - Thomas J Pogash
- The Irma H. Russo, MD Breast Cancer Research Laboratory, Fox Chase Cancer Center - Temple University Health System, Philadelphia, PA, USA
| | - Aman Patel
- The Irma H. Russo, MD Breast Cancer Research Laboratory, Fox Chase Cancer Center - Temple University Health System, Philadelphia, PA, USA
| | - Navroop Hundal
- The Irma H. Russo, MD Breast Cancer Research Laboratory, Fox Chase Cancer Center - Temple University Health System, Philadelphia, PA, USA
| | - Maria Barton
- The Irma H. Russo, MD Breast Cancer Research Laboratory, Fox Chase Cancer Center - Temple University Health System, Philadelphia, PA, USA
- Department of Biochemistry, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Anna Camoirano
- Department of Health Sciences, University of Genoa, Genoa, Italy
| | - Rosanna T Micale
- Department of Health Sciences, University of Genoa, Genoa, Italy
| | | | - Roumen Balansky
- Department of Health Sciences, University of Genoa, Genoa, Italy
- Laboratory of Chemical Mutagenesis and Carcinogenesis, National Center of Oncology, Sofia, Bulgaria
| | - Silvio De Flora
- Department of Health Sciences, University of Genoa, Genoa, Italy
| | - Jose Russo
- The Irma H. Russo, MD Breast Cancer Research Laboratory, Fox Chase Cancer Center - Temple University Health System, Philadelphia, PA, USA
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24
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Africander D, Storbeck KH. Steroid metabolism in breast cancer: Where are we and what are we missing? Mol Cell Endocrinol 2018; 466:86-97. [PMID: 28527781 DOI: 10.1016/j.mce.2017.05.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 05/08/2017] [Accepted: 05/16/2017] [Indexed: 12/12/2022]
Abstract
It is well-known that breast cancer is hormone-dependent and that steroid hormones exert their mitogenic effects by binding to estrogen, progesterone and androgen receptors. Vital to our understanding and treatment of this malignancy, is the local metabolism of steroid hormones in breast cancer tissue. This review summarises our current knowledge on steroid producing pathways in the adrenal, ovary and breast, while focussing on the availability of specific circulating hormone precursors and steroidogenic enzymes involved in the local synthesis and metabolism of steroid hormones in the breast. Consequently, we highlight alternate pathways that may be instrumental in the etiology of breast cancer.
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Affiliation(s)
- Donita Africander
- Department of Biochemistry, Stellenbosch University, Stellenbosch 7600, South Africa
| | - Karl-Heinz Storbeck
- Department of Biochemistry, Stellenbosch University, Stellenbosch 7600, South Africa.
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25
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Xia D, Lai DV, Wu W, Webb ZD, Yang Q, Zhao L, Yu Z, Thorpe JE, Disch BC, Ihnat MA, Jayaraman M, Dhanasekaran DN, Stratton KL, Cookson MS, Fung KM, Lin HK. Transition from androgenic to neurosteroidal action of 5α-androstane-3α, 17β-diol through the type A γ-aminobutyric acid receptor in prostate cancer progression. J Steroid Biochem Mol Biol 2018; 178:89-98. [PMID: 29155210 DOI: 10.1016/j.jsbmb.2017.11.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 11/10/2017] [Accepted: 11/14/2017] [Indexed: 02/07/2023]
Abstract
Androgen ablation is the standard of care prescribed to patients with advanced or metastatic prostate cancer (PCa) to slow down disease progression. Unfortunately, a majority of PCa patients under androgen ablation progress to castration-resistant prostate cancer (CRPC). Several mechanisms including alternative intra-prostatic androgen production and androgen-independent androgen receptor (AR) activation have been proposed for CRPC progression. Aldo-keto reductase family 1 member C3 (AKR1C3), a multi-functional steroid metabolizing enzyme, is specifically expressed in the cytoplasm of PCa cells; and positive immunoreactivity of the type A γ-aminobutyric acid receptor (GABAAR), an ionotropic receptor and ligand-gated ion channel, is detected on the membrane of PCa cells. We studied a total of 72 radical prostatectomy cases by immunohistochemistry, and identified that 21 cases exhibited positive immunoreactivities for both AKR1C3 and GABAAR. In the dual positive cancer cases, AKR1C3 and GABAAR subunit α1 were either expressed in the same cells or in neighboring cells. Among several possible substrates, AKR1C3 reduces 5α-dihydrotesterone (DHT) to form 5α-androstane-3α, 17β-diol (3α-diol). 3α-diol is a neurosteroid that acts as a positive allosteric modulator of the GABAAR in the central nervous system (CNS). We examined the hypothesis that 3α-diol-regulated pathological effects in the prostate are GABAAR-dependent, but are independent of the AR. In GABAAR-positive, AR-negative human PCa PC-3 cells, 3α-diol significantly stimulated cell growth in culture and the in ovo chorioallantoic membrane (CAM) xenograft model. 3α-diol also up-regulated expression of the epidermal growth factor (EGF) family of growth factors and activation of EGF receptor (EGFR) and Src as measured by quantitative polymerase chain reaction and immunoblotting, respectively. Inclusion of GABAAR antagonists reversed 3α-diol-stimulated tumor cell growth, expression of EGF family members, and activation of EGFR and Src to the level observed in untreated cells. Results from the present study suggest that 3α-diol may act as an alternative intra-prostatic neurosteroid that activates AR-independent PCa progression. The involvement of AKR1C3-mediated steroid metabolisms in modulating GABAAR activation and promoting PCa progression requires continued studies.
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Affiliation(s)
- Ding Xia
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China; Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Doan V Lai
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Weijuan Wu
- Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Zachary D Webb
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Qing Yang
- Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Lichao Zhao
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Zhongxin Yu
- Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Jessica E Thorpe
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Oklahoma College of Pharmacy, OKC, OK 73117, USA
| | - Bryan C Disch
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Oklahoma College of Pharmacy, OKC, OK 73117, USA
| | - Michael A Ihnat
- Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; Department of Pharmaceutical Sciences, College of Pharmacy, University of Oklahoma College of Pharmacy, OKC, OK 73117, USA
| | | | - Danny N Dhanasekaran
- Stephenson Cancer Center, University of Oklahoma, Oklahoma City, OK 73104, USA; Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Kelly L Stratton
- Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Michael S Cookson
- Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Kar-Ming Fung
- Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; Department of Pathology, Veterans Affairs Medical Center, Oklahoma City, Oklahoma, OK 73104, USA
| | - Hsueh-Kung Lin
- Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA; Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA.
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26
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Alshogran OY. Pharmacogenetics of aldo-keto reductase 1C (AKR1C) enzymes. Expert Opin Drug Metab Toxicol 2017; 13:1063-1073. [PMID: 28871815 DOI: 10.1080/17425255.2017.1376648] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Osama Y. Alshogran
- Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
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27
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Dai C, Chung YM, Kovac E, Zhu Z, Li J, Magi-Galluzzi C, Stephenson AJ, Klein EA, Sharifi N. Direct Metabolic Interrogation of Dihydrotestosterone Biosynthesis from Adrenal Precursors in Primary Prostatectomy Tissues. Clin Cancer Res 2017; 23:6351-6362. [PMID: 28733443 DOI: 10.1158/1078-0432.ccr-17-1313] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Revised: 06/18/2017] [Accepted: 07/17/2017] [Indexed: 11/16/2022]
Abstract
Purpose: A major mechanism of castration-resistant prostate cancer (CRPC) involves intratumoral biosynthesis of dihydrotestosterone (DHT) from adrenal precursors. We have previously shown that adrenal-derived androstenedione (AD) is the preferred substrate over testosterone (T) for 5α-reductase expressed in metastatic CRPC, bypassing T as an obligate precursor to DHT. However, the metabolic pathway of adrenal-derived DHT biosynthesis has not been rigorously investigated in the setting of primary disease in the prostate.Experimental Design: Seventeen patients with clinically localized prostate cancer were consented for fresh tissues after radical prostatectomy. Prostate tissues were cultured ex vivo in media spiked with an equimolar mixture of AD and T, and stable isotopic tracing was employed to simultaneously follow the enzymatic conversion of both precursor steroids into nascent metabolites, detected by liquid chromatography-tandem mass spectrometry. CRPC cell line models and xenograft tissues were similarly assayed for comparative analysis. A tritium-labeled steroid radiotracing approach was used to validate our findings.Results: Prostatectomy tissues readily 5α-reduced both T and AD. Furthermore, 5α-reduction of AD was the major directionality of metabolic flux to DHT. However, AD and T were comparably metabolized by 5α-reductase in primary prostate tissues, contrasting the preference exhibited by CRPC in which AD was favored over T. 5α-reductase inhibitors effectively blocked the conversion of AD to DHT.Conclusions: Both AD and T are substrates of 5α-reductase in prostatectomy tissues, resulting in two distinctly nonredundant metabolic pathways to DHT. Furthermore, the transition to CRPC may coincide with a metabolic switch toward AD as the favored substrate. Clin Cancer Res; 23(20); 6351-62. ©2017 AACR.
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Affiliation(s)
- Charles Dai
- Cleveland Clinic Lerner College of Medicine, Cleveland, Ohio.,Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Yoon-Mi Chung
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Evan Kovac
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio.,Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, Ohio
| | - Ziqi Zhu
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | - Jianneng Li
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | | | - Andrew J Stephenson
- Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, Ohio
| | - Eric A Klein
- Cleveland Clinic Lerner College of Medicine, Cleveland, Ohio.,Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, Ohio
| | - Nima Sharifi
- Cleveland Clinic Lerner College of Medicine, Cleveland, Ohio. .,Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio.,Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, Ohio.,Department of Hematology and Medical Oncology, Taussig Cancer Institute, Cleveland Clinic, Cleveland, Ohio
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28
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Shiiba M, Yamagami H, Yamamoto A, Minakawa Y, Okamoto A, Kasamatsu A, Sakamoto Y, Uzawa K, Takiguchi Y, Tanzawa H. Mefenamic acid enhances anticancer drug sensitivity via inhibition of aldo-keto reductase 1C enzyme activity. Oncol Rep 2017; 37:2025-2032. [DOI: 10.3892/or.2017.5480] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2016] [Accepted: 02/07/2017] [Indexed: 11/06/2022] Open
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29
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Narayanan R, Dalton JT. Androgen Receptor: A Complex Therapeutic Target for Breast Cancer. Cancers (Basel) 2016; 8:cancers8120108. [PMID: 27918430 PMCID: PMC5187506 DOI: 10.3390/cancers8120108] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 11/01/2016] [Accepted: 11/23/2016] [Indexed: 12/29/2022] Open
Abstract
Molecular and histopathological profiling have classified breast cancer into multiple sub-types empowering precision treatment. Although estrogen receptor (ER) and human epidermal growth factor receptor (HER2) are the mainstay therapeutic targets in breast cancer, the androgen receptor (AR) is evolving as a molecular target for cancers that have developed resistance to conventional treatments. The high expression of AR in breast cancer and recent discovery and development of new nonsteroidal drugs targeting the AR provide a strong rationale for exploring it again as a therapeutic target in this disease. Ironically, both nonsteroidal agonists and antagonists for the AR are undergoing clinical trials, making AR a complicated target to understand in breast cancer. This review provides a detailed account of AR’s therapeutic role in breast cancer.
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Affiliation(s)
- Ramesh Narayanan
- Department of Medicine, University of Tennessee Health Science Center, Memphis, TN 38103, USA.
| | - James T Dalton
- College of Pharmacy, University of Michigan, Ann Arbor, MI 48109, USA.
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30
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Zhang A, Zhang J, Plymate S, Mostaghel EA. Classical and Non-Classical Roles for Pre-Receptor Control of DHT Metabolism in Prostate Cancer Progression. Discov Oncol 2016; 7:104-13. [PMID: 26797685 DOI: 10.1007/s12672-016-0250-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Accepted: 01/05/2016] [Indexed: 12/22/2022] Open
Abstract
Androgens play an important role in prostate cancer (PCa) development and progression. Accordingly, androgen deprivation therapy remains the front-line treatment for locally recurrent or advanced PCa, but patients eventually relapse with the lethal form of the disease termed castration resistant PCa (CRPC). Importantly, castration does not eliminate androgens from the prostate tumor microenvironment which is characterized by elevated tissue androgens that are well within the range capable of activating the androgen receptor (AR). In this mini-review, we discuss emerging data that suggest a role for the enzymes mediating pre-receptor control of dihydrotestosterone (DHT) metabolism, including AKR1C2, HSD17B6, HSD17B10, and the UGT family members UGT2B15 and UGT2B17, in controlling intratumoral androgen levels, and thereby influencing PCa progression. We review the expression of steroidogenic enzymes involved in this pathway in primary PCa and CRPC, the activity and regulation of these enzymes in PCa experimental models, and the impact of genetic variation in genes mediating pre-receptor DHT metabolism on PCa risk. Finally, we discuss recent data that suggests several of these enzymes may also play an unrecognized role in CRPC progression separate from their role in androgen inactivation.
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Affiliation(s)
- Ailin Zhang
- Division of Clinical Research, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave N, MS D5-380, Seattle, WA, 98109, USA
| | - Jiawei Zhang
- School of Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Stephen Plymate
- Department of Medicine, University of Washington, Seattle, WA, 98104, USA
| | - Elahe A Mostaghel
- Division of Clinical Research, Fred Hutchinson Cancer Research Center, 1100 Fairview Ave N, MS D5-380, Seattle, WA, 98109, USA.
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31
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Frycz BA, Murawa D, Borejsza-Wysocki M, Wichtowski M, Spychała A, Marciniak R, Murawa P, Drews M, Jagodziński PP. Transcript level of AKR1C3 is down-regulated in gastric cancer. Biochem Cell Biol 2015; 94:138-46. [PMID: 27019068 DOI: 10.1139/bcb-2015-0096] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Steroid hormones have been shown to play a role in gastric carcinogenesis. Large amounts of steroid hormones are locally produced in the peripheral tissues of both genders. Type 5 of 17β-hydroxysteroid dehydrogenase, encoded by the AKR1C3 gene, plays a pivotal role in both androgen and estrogen metabolism, and its expression was found to be deregulated in different cancers. In this study we measured AKR1C3 transcript and protein levels in nontumoral and primary tumoral gastric tissues, and evaluated their association with some clinicopathological features of gastric cancer (GC). We found decreased levels of AKR1C3 transcript (p < 0.0001) and protein (p = 0.0021) in GC tissues compared with the adjacent, apparently histopathologically normal, mucosa. Lower levels of AKR1C3 transcript were observed in diffuse and intestinal types of GC, whereas AKR1C3 protein levels were decreased in tumors with multisite localization, in diffuse histological type, T3, T4, and G3 grades. We also determined the effect of the histone deacetylase inhibitor sodium butyrate (NaBu) on AKR1C3 expression in EPG 85-257 and HGC-27 GC cell lines. We found that NaBu elevates the levels of both AKR1C3 transcript and protein in the cell lines we investigated. Together, our results suggest that decreased expression of AKR1C3 may be involved in development of GC and can be restored by NaBu.
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Affiliation(s)
- Bartosz Adam Frycz
- a Department of Biochemistry and Molecular Biology, University of Medical Sciences, Poznań, Poland
| | - Dawid Murawa
- b First Department of Surgical Oncology and General Surgery, Greater Poland Cancer Centre, Poznań, Poland.,c Regional Specialist Hospital, Research and Development Centre, Wrocław, Poland
| | - Maciej Borejsza-Wysocki
- d Department of General, Endocrinological Surgery and Gastroenterological Oncology, University of Medical Sciences, Poznań, Poland
| | - Mateusz Wichtowski
- b First Department of Surgical Oncology and General Surgery, Greater Poland Cancer Centre, Poznań, Poland
| | - Arkadiusz Spychała
- b First Department of Surgical Oncology and General Surgery, Greater Poland Cancer Centre, Poznań, Poland
| | - Ryszard Marciniak
- d Department of General, Endocrinological Surgery and Gastroenterological Oncology, University of Medical Sciences, Poznań, Poland
| | - Paweł Murawa
- b First Department of Surgical Oncology and General Surgery, Greater Poland Cancer Centre, Poznań, Poland
| | - Michał Drews
- d Department of General, Endocrinological Surgery and Gastroenterological Oncology, University of Medical Sciences, Poznań, Poland
| | - Paweł Piotr Jagodziński
- a Department of Biochemistry and Molecular Biology, University of Medical Sciences, Poznań, Poland
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32
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Yoda T, Kikuchi K, Miki Y, Onodera Y, Hata S, Takagi K, Nakamura Y, Hirakawa H, Ishida T, Suzuki T, Ohuchi N, Sasano H, McNamara KM. 11β-Prostaglandin F2α, a bioactive metabolite catalyzed by AKR1C3, stimulates prostaglandin F receptor and induces slug expression in breast cancer. Mol Cell Endocrinol 2015; 413:236-47. [PMID: 26170067 DOI: 10.1016/j.mce.2015.07.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Revised: 06/30/2015] [Accepted: 07/07/2015] [Indexed: 01/24/2023]
Abstract
Prostaglandins are a group of lipid compounds involved in inflammation and cancer. We focused on PGF2α and its stereoisomer 11β-PGF2α and examined the expression and functions of their cognate receptor (FP receptor) and metabolizing enzymes (AKR1B1 and AKR1C3 respectively) in breast cancer. In immunohistochemical analysis FP receptor status associated with adverse clinical outcome only in the AKR1C3 positive cases. Therefore, we studied FP receptor-mediated functions of 11β-PGF2α using FP receptor expressed MCF-7 cell line (MCF-FP). 11β-PGF2α treatment phosphorylated ERK and CREB and induced Slug expression through FP receptor in MCF-FP, and MCF-FP cells demonstrated decreased chemosensitivity compared to parental controls. Finally, the correlation between FP receptor and Slug was also confirmed immunohistochemically in breast cancer cases. Overall these results indicated that the actions of AKR1C3 can produce FP receptor ligands whose activation results in carcinoma cell survival in breast cancer.
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Affiliation(s)
- Tomomi Yoda
- Department of Pathology, Tohoku University School of Medicine, Sendai, Japan
| | - Kyoko Kikuchi
- Department of Pathology, Tohoku University School of Medicine, Sendai, Japan
| | - Yasuhiro Miki
- Department of Pathology, Tohoku University School of Medicine, Sendai, Japan
| | - Yoshiaki Onodera
- Department of Pathology, Tohoku University School of Medicine, Sendai, Japan
| | - Shuko Hata
- Department of Pathology, Tohoku University School of Medicine, Sendai, Japan
| | - Kiyoshi Takagi
- Department of Pathology and Histotechnology, Tohoku University School of Medicine, Sendai, Japan
| | - Yasuhiro Nakamura
- Department of Pathology, Tohoku University School of Medicine, Sendai, Japan
| | | | - Takanori Ishida
- Department of Surgery, Tohoku University School of Medicine, Sendai, Japan
| | - Takashi Suzuki
- Department of Pathology and Histotechnology, Tohoku University School of Medicine, Sendai, Japan
| | - Noriaki Ohuchi
- Department of Surgery, Tohoku University School of Medicine, Sendai, Japan
| | - Hironobu Sasano
- Department of Pathology, Tohoku University School of Medicine, Sendai, Japan
| | - Keely May McNamara
- Department of Pathology, Tohoku University School of Medicine, Sendai, Japan.
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33
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Penning TM, Chen M, Jin Y. Promiscuity and diversity in 3-ketosteroid reductases. J Steroid Biochem Mol Biol 2015; 151:93-101. [PMID: 25500069 PMCID: PMC4458445 DOI: 10.1016/j.jsbmb.2014.12.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 12/03/2014] [Accepted: 12/07/2014] [Indexed: 12/16/2022]
Abstract
Many steroid hormones contain a Δ(4)-3-ketosteroid functionality that undergoes sequential reduction by 5α- or 5β- steroid reductases to produce 5α- or 5β-dihydrosteroids; and a subsequent 3-keto-reduction to produce a series of isomeric tetrahydrosteroids. Apart from steroid 5α-reductase all the remaining enzymes involved in the two step reduction process in humans belong to the aldo-keto reductase (AKR) superfamily. The enzymes involved in 3-ketosteroid reduction are AKR1C1-AKR1C4. These enzymes are promiscuous and also catalyze 20-keto- and 17-keto-steroid reduction. Interest in these reactions exist since they regulate steroid hormone metabolism in the liver, and in steroid target tissues, they may regulate steroid hormone receptor occupancy. In addition many of the dihydrosteroids are not biologically inert. The same enzymes are also involved in the metabolism of synthetic steroids e.g., hormone replacement therapeutics, contraceptive agents and inhaled glucocorticoids, and may regulate drug efficacy at their cognate receptors. This article reviews these reactions and the structural basis for substrate diversity in AKR1C1-AKR1C4, ketosteroid reductases. This article is part of a Special Issue entitled 'Steroid/Sterol signaling'.
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Affiliation(s)
- Trevor M Penning
- Center of Excellence in Environmental Toxicology, Department of Systems Pharmacology & Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6160, USA.
| | - Mo Chen
- Center of Excellence in Environmental Toxicology, Department of Systems Pharmacology & Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6160, USA
| | - Yi Jin
- Center of Excellence in Environmental Toxicology, Department of Systems Pharmacology & Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6160, USA
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Swart AC, Storbeck KH. 11β-Hydroxyandrostenedione: Downstream metabolism by 11βHSD, 17βHSD and SRD5A produces novel substrates in familiar pathways. Mol Cell Endocrinol 2015; 408:114-23. [PMID: 25542845 DOI: 10.1016/j.mce.2014.12.009] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 12/10/2014] [Accepted: 12/11/2014] [Indexed: 01/23/2023]
Abstract
11β-Hydroxyandrostenedione (11OHA4), a major C19 steroid produced by the adrenal, was first reported in the 1950s. Initially the subject of numerous studies, interest dwindled due to the apparent lack of physiological function and, by the end of the century, 11OHA4 was no longer considered as an adrenal C19 steroid. Our recent studies, however, showed that 11OHA4 is the precursor to novel active androgens which include 11-ketodihydrotestosterone (11KDHT) which has been implicated in prostate cancer, thereby renewing interest in 11OHA4. In this paper we review the biosynthesis and downstream metabolism of 11OHA4. We discuss the extra-adrenal biosynthesis of 11OHA4 in humans and in other species, highlighting the well-documented role of 11OHA4 in the testes of male fish in which the steroid functions as an active androgen. Finally, we discuss the physiological relevance of 11OHA4 metabolism in castration resistant prostate cancer and outline future prospects.
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Affiliation(s)
- Amanda C Swart
- Department of Biochemistry, University of Stellenbosch, Stellenbosch 7602, South Africa.
| | - Karl-Heinz Storbeck
- Department of Biochemistry, University of Stellenbosch, Stellenbosch 7602, South Africa.
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Ren X, Wu X, Hillier SG, Fegan KS, Critchley HOD, Mason JI, Sarvi S, Harlow CR. Local estrogen metabolism in epithelial ovarian cancer suggests novel targets for therapy. J Steroid Biochem Mol Biol 2015; 150:54-63. [PMID: 25817828 PMCID: PMC4429663 DOI: 10.1016/j.jsbmb.2015.03.010] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Revised: 03/09/2015] [Accepted: 03/22/2015] [Indexed: 01/25/2023]
Abstract
Epithelial ovarian cancer (EOC) accounts for about 90% of malignant ovarian tumors, and estrogen is often implicated in disease progression. We therefore compared the potential for gating of estrogen action via pre-receptor metabolism in normal human ovarian surface epithelium (OSE), EOC and selected EOC cell lines (SKOV3 and PEO1). Steroid sulphatase (STS), estrogen sulfotransferase (EST), 17β-hydroxysteroid dehydrogenases 2 (17BHSD2) and 5 (17BHSD5) mRNAs, proteins and enzymatic activities were all detectable in primary cell cultures of OSE and EOC, whereas aromatase and 17BHSD1 expression was negligible. qRT-PCR assay on total mRNA revealed significantly higher EST mRNA expression in OSE compared to EOC (P<0.05). Radioenzymatic measurements confirmed reduced sulfoconjugation (neutralization) of free estrogen in EOC relative to OSE. OSE cells were more effective at converting free [(3)H]-E1 to [(3)H]-E1S or [(3)H]-E2S, while EOC cell lines mainly converted [(3)H]-E1 to [(3)H]-E2 with minimal formation of [(3)H]-E1S or [(3)H]-E2S. IL1α treatment suppressed EST (P<0.01) and 17BHSD2 (P<0.001) mRNA levels in OSE and stimulated STS mRNA levels (P<0.001) in cancer (SKOV3) cells. These results show that estrogen is differentially metabolized in OSE and EOC cells, with E2 'activation' from conjugated estrogen predominating in EOC. Inflammatory cytokines may further augment the local production of E2 by stimulating STS and suppressing EST. We conclude that local estrogen metabolism may be a target for EOC treatment.
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Affiliation(s)
- Xia Ren
- MRC Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh, Scotland EH16 4TJ, United Kingdom
| | - Xuan Wu
- MRC Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh, Scotland EH16 4TJ, United Kingdom
| | - Stephen G Hillier
- MRC Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh, Scotland EH16 4TJ, United Kingdom
| | - K Scott Fegan
- MRC Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh, Scotland EH16 4TJ, United Kingdom
| | - Hilary O D Critchley
- MRC Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh, Scotland EH16 4TJ, United Kingdom
| | - J Ian Mason
- MRC Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh, Scotland EH16 4TJ, United Kingdom
| | - Sana Sarvi
- MRC Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh, Scotland EH16 4TJ, United Kingdom
| | - Christopher R Harlow
- MRC Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh, Scotland EH16 4TJ, United Kingdom.
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Aldo-keto reductase 1C3 (AKR1C3) is associated with the doxorubicin resistance in human breast cancer via PTEN loss. Biomed Pharmacother 2014; 69:317-25. [PMID: 25661377 DOI: 10.1016/j.biopha.2014.12.022] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Accepted: 12/11/2014] [Indexed: 12/22/2022] Open
Abstract
Aldo-keto reductase 1C3 (AKR1C3), one member of the aldo-keto reductase superfamily, is involved in a variety of cancers. Recently, AKR1C3 has been demonstrated to be related with the doxorubicin (DOX) resistance in human breast cancer. Here, we attempted to explore the resistance mechanism mediated by AKR1C3. First, one DOX resistant breast cancer cell line MCF-7/DOX was successfully established and an increased level of AKR1C3 was observed in the MCF-7/DOX cells compared to the parental MCF-7 cells. To investigate the contribution of AKR1C3 in the DOX resistance, we further established an AKR1C3 overexpression cell line, referred to MCF-7/AKR1C3. In the MCF-7/AKR1C3 cells, the DOX induced cytotoxicity, detected by CCK-8 cell viability assay and DAPI staining, was greatly reduced (3.2-fold increase in the IC50 value). Interestingly, a loss of tumor suppressor PTEN (phosphatase and tensin homolog deleted on chromosome 10) was observed when AKR1C3 was overexpressed. Secondary to the PTEN loss, the activated Akt also markedly increased. In addition, the AKR1C3 mediated DOX resistance can be conquered by the Akt inhibitor (LY294002). Furthermore, we found that the expression levels of AKR1C3 and PTEN had a negative relationship in the human breast tumor tissues (the standard correlation coefficient=-0.71; P=0.048). In conclusion, our data suggested that the AKR1C3 mediated DOX resistance might be resulted from the activation of anti-apoptosis PTEN/Akt pathway via PTEN loss. AKR1C3 may present a potential therapeutic target in addressing DOX resistance in breast cancer.
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Atsriku C, Hoffmann M, Moghaddam M, Kumar G, Surapaneni S. In vitrometabolism of a novel JNK inhibitor tanzisertib: interspecies differences in oxido-reduction and characterization of enzymes involved in metabolism. Xenobiotica 2014; 45:465-80. [DOI: 10.3109/00498254.2014.991367] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Anthracycline resistance mediated by reductive metabolism in cancer cells: The role of aldo-keto reductase 1C3. Toxicol Appl Pharmacol 2014; 278:238-48. [DOI: 10.1016/j.taap.2014.04.027] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 04/29/2014] [Accepted: 04/30/2014] [Indexed: 02/05/2023]
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Abstract
Prostate cancer is the second leading cause of death in adult males in the USA. Recent advances have revealed that the fatal form of this cancer, known as castration-resistant prostate cancer (CRPC), remains hormonally driven despite castrate levels of circulating androgens. CRPC arises as the tumor undergoes adaptation to low levels of androgens by either synthesizing its own androgens (intratumoral androgens) or altering the androgen receptor (AR). This article reviews the major routes to testosterone and dihydrotestosterone synthesis in CRPC cells and examines the enzyme targets and progress in the development of isoform-specific inhibitors that could block intratumoral androgen biosynthesis. Because redundancy exists in these pathways, it is likely that inhibition of a single pathway will lead to upregulation of another so that drug resistance would be anticipated. Drugs that target multiple pathways or bifunctional agents that block intratumoral androgen biosynthesis and antagonize the AR offer the most promise. Optimal use of enzyme inhibitors or AR antagonists to ensure maximal benefits to CRPC patients will also require application of precision molecular medicine to determine whether a tumor in a particular patient will be responsive to these treatments either alone or in combination.
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Affiliation(s)
- Trevor M Penning
- Perelman School of MedicineCenter of Excellence in Environmental Toxicology, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6084, USA
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Kikuchi A, Furutani T, Azami H, Watanabe K, Niimi T, Kamiyama Y, Kuromitsu S, Baskin-Bey E, Heeringa M, Ouatas T, Enjo K. In vitro and in vivo characterisation of ASP9521: a novel, selective, orally bioavailable inhibitor of 17β-hydroxysteroid dehydrogenase type 5 (17βHSD5; AKR1C3). Invest New Drugs 2014; 32:860-70. [DOI: 10.1007/s10637-014-0130-5] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Accepted: 06/17/2014] [Indexed: 01/12/2023]
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Yin YD, Fu M, Brooke DG, Heinrich DM, Denny WA, Jamieson SMF. The Activity of SN33638, an Inhibitor of AKR1C3, on Testosterone and 17β-Estradiol Production and Function in Castration-Resistant Prostate Cancer and ER-Positive Breast Cancer. Front Oncol 2014; 4:159. [PMID: 24995161 PMCID: PMC4061482 DOI: 10.3389/fonc.2014.00159] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Accepted: 06/05/2014] [Indexed: 12/31/2022] Open
Abstract
AKR1C3 is a novel therapeutic target in castration-resistant prostate cancer (CRPC) and estrogen receptor (ER)-positive breast cancer because of its ability to produce testosterone and 17β-estradiol intratumorally, thus promoting nuclear receptor signaling and tumor progression. A panel of CRPC, ER-positive breast cancer and high/low AKR1C3-expressing cell lines were treated with SN33638, a selective inhibitor of AKR1C3, in the presence of hormone or prostaglandin (PG) precursors, prior to evaluation of cell proliferation and levels of 11β-PG F2α (11β-PGF2α), testosterone, 17β-estradiol, and prostate-specific antigen (PSA). A meta-analysis of AKR1C3 mRNA expression in patient samples was also conducted, which revealed that AKR1C3 mRNA was upregulated in CRPC, but downregulated in ER-positive breast cancer. 11β-PGF2α and testosterone levels in the cell line panel correlated with AKR1C3 protein expression. SN33638 prevented 11β-PGF2α formation in cell lines that expressed AKR1C3, but partially inhibited testosterone formation and subsequently cell proliferation and/or PSA expression only in high (LAPC4 AKR1C3-overexpressing cells) or moderate (22RV1) AKR1C3-expressing cell lines. SN33638 had little effect on 17β-estradiol production or estrone-stimulated cell proliferation in ER-positive breast cancer cell lines. Although SN33638 could prevent 11β-PGF2α formation, its ability to prevent testosterone and 17β-estradiol production and their roles in CRPC and ER-positive breast cancer progression was limited due to AKR1C3-independent steroid hormone production, except in LAPC4 AKR1C3 cells where the majority of testosterone was AKR1C3-dependent. These results suggest that inhibition of AKR1C3 is unlikely to produce therapeutic benefit in CRPC and ER-positive breast cancer patients, except possibly in the small subpopulation of CRPC patients with tumors that have upregulated AKR1C3 expression and are dependent on AKR1C3 to produce the testosterone required for their growth.
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Affiliation(s)
- Yarong Diana Yin
- Auckland Cancer Society Research Centre, The University of Auckland , Auckland , New Zealand
| | - Melissa Fu
- Auckland Cancer Society Research Centre, The University of Auckland , Auckland , New Zealand
| | - Darby G Brooke
- Auckland Cancer Society Research Centre, The University of Auckland , Auckland , New Zealand
| | - Daniel M Heinrich
- Auckland Cancer Society Research Centre, The University of Auckland , Auckland , New Zealand
| | - William A Denny
- Auckland Cancer Society Research Centre, The University of Auckland , Auckland , New Zealand ; Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland , Auckland , New Zealand
| | - Stephen M F Jamieson
- Auckland Cancer Society Research Centre, The University of Auckland , Auckland , New Zealand ; Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland , Auckland , New Zealand
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Expression of AKR1C3 and CNN3 as markers for detection of lymph node metastases in colorectal cancer. Clin Exp Med 2014; 15:333-41. [PMID: 24934327 PMCID: PMC4522272 DOI: 10.1007/s10238-014-0298-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Accepted: 05/10/2014] [Indexed: 12/21/2022]
Abstract
The aim of the study was to identify a set of discriminating genes that could be used for the prediction of Lymph node (LN) metastasis in human colorectal cancer (CRC), and for this, we compared the whole genome profiles of two CRC cell lines (the primary cell line SW480 and its LN metastatic variant, SW620) and identified eight genes [S100 calcium-binding protein P; aldo–keto reductase family 1(AKR1), member B1 (aldose reductase; AKR1B1); AKR1, member C3 (AKR1C3); calponin 3, acidic; metastasis associated in colon cancer 1; hemoglobin, epsilon 1; trefoil factor 3; and FGGY carbohydrate kinase domain containing]. These genes were examined by quantitative RT-PCR in tissues and LNs in 14 CRC patients and 11 control patients. The level of AKR1C3 mRNA expression was significantly different between the Dukes’ stage A, B, and C groups and the control group (p < 0.05, p < 0.001, and p < 0.001) and was also significantly different between Dukes’ stage C and A or B groups (p < 0.05 and p < 0.001, respectively). The expression of CNN3 was significantly different between the Dukes’ stage C and B or control groups (p < 0.001 and p < 0.01, respectively). There were significant correlations between the expression levels of AKR1C3 and CNN3. AKR1C3 and CNN3 expressions are more accurate and suitable markers for the diagnosis of LN metastasis than the other six genes examined in this study.
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Modulated expression of genes encoding estrogen metabolizing enzymes by G1-phase cyclin-dependent kinases 6 and 4 in human breast cancer cells. PLoS One 2014; 9:e97448. [PMID: 24848372 PMCID: PMC4029737 DOI: 10.1371/journal.pone.0097448] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Accepted: 04/19/2014] [Indexed: 02/06/2023] Open
Abstract
G1-phase cell cycle defects, such as alterations in cyclin D1 or cyclin-dependent kinase (cdk) levels, are seen in most tumors. For example, increased cyclin D1 and decreased cdk6 levels are seen in many human breast tumors. Overexpression of cdk6 in breast tumor cells in culture has been shown to suppress proliferation, unlike the growth stimulating effects of its close homolog, cdk4. In addition to directly affecting proliferation, alterations in cdk6 or cdk4 levels in breast tumor cells also differentially influence levels of numerous steroid metabolic enzymes (SMEs), including those involved in estrogen metabolism. Overexpression of cdk6 in tumor cell lines having low cdk6 resulted in decreased levels of mRNAs encoding aldo-keto reductase (AKR)1C1, AKR1C2 and AKR1C3, which are hydroxysteroid dehydrogenases (HSDs) involved in steroid hormone metabolism. In contrast, increasing cdk4 dramatically increased these transcript levels, especially those encoding AKR1C3, an enzyme that converts estrone to 17β-estradiol, a change that could result in a pro-estrogenic state favoring tumor growth. Effects on other estrogen metabolizing enzymes, including cytochrome P450 (CYP) 19 aromatase, 17β-HSD2, and CYP1B1 transcripts, were also observed. Interactions of cdk6 and cdk4, but not cyclin D1, with the promoter region of a cdk-regulated gene, 17β-HSD2, were detected. The results uncover a previously unsuspected link between the cell cycle and hormone metabolism and differential roles for cdk6 and cdk4 in a novel mechanism for pre-receptor control of steroid hormone action, with important implications for the origin and treatment of steroid hormone-dependent cancers.
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Rižner TL. Estrogen biosynthesis, phase I and phase II metabolism, and action in endometrial cancer. Mol Cell Endocrinol 2013; 381:124-39. [PMID: 23911898 DOI: 10.1016/j.mce.2013.07.026] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2013] [Revised: 05/30/2013] [Accepted: 07/22/2013] [Indexed: 12/21/2022]
Abstract
Endometrial cancer is the most common gynecological malignancy in the developed World. Based on their histopathology, clinical manifestation, and epidemiology, the majority of endometrial cancer cases can be divided into two groups: the more prevalent type 1 which is associated with unopposed estrogen exposure; and the less common type 2, which is usually not associated with hyper-estrogenic factors. This manuscript overviews the published data on the expression of genes encoding the estrogen biosynthetic enzymes, the phase I and phase II estrogen metabolic enzymes, and the estrogen receptors in endometrial cancer, at the mRNA, protein and enzyme activity levels. The potential role of altered expression of these enzymes and receptors in cancerous versus control endometrial tissue, and the implication of estrogens in tumor initiation and promotion, are discussed. Finally, based on the published data, a model of estrogen metabolism and actions is proposed for pre-cancerous and cancerous endometrial tissue, and the role of the estrogens in the progression of endometrial cancer from endometrial hyperplasia is suggested.
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Affiliation(s)
- Tea Lanišnik Rižner
- Institute of Biochemistry, Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia.
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Clinical implications of aldo-keto reductase family 1 member C3 and its relationship with lipocalin 2 in cancer of the uterine cervix. Gynecol Oncol 2013; 132:474-82. [PMID: 24316309 DOI: 10.1016/j.ygyno.2013.11.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2013] [Revised: 11/21/2013] [Accepted: 11/26/2013] [Indexed: 11/24/2022]
Abstract
OBJECTIVE Over-expression of the aldo-keto reductase family 1 member C3 (AKR1C3) has been demonstrated in many human cancers. Lipocalin 2 (LCN2) is reported to inhibit cervical cancer metastasis but little is known regarding its relationship with AKR1C3 in the development and progression of uterine cervical cancer. This study aimed to investigate the involvement of AKR1C3 and its relationship with LCN2 in cervical cancer. METHODS The roles of AKR1C3 and LCN2 were investigated using the lentivirus shRNA system in SiHa and Caski cervical cancer cells. LCN2 and matrix metalloproteinase-2 (MMP-2) promoters were constructed to demonstrate transcriptional regulation by shAKR1C3 and shLCN2, respectively. The influences of metastatic phenotypes were analyzed by wound healing, Boyden chamber, and immunofluorescence assays. The activity of MMP-2 was determined by zymography assay. The impacts of AKR1C3 and LCN2 on patient prognosis were evaluated using tissue microarrays by Cox regression and Kaplan-Meier models. RESULTS Silencing of the AKR1C3 gene increased the expression of LCN2 and decreased the migratory and invasive abilities and changed the cytoskeleton of cervical cancer cells. When AKR1C3 was over-expressed, it decreased LCN2 promoter activity and LCN2 expression and increased cell migration. The mRNA level and enzyme activity of MMP-2 increased in silenced LCN2 cells. Positive AKR1C3 and negative LCN2 were correlated with higher recurrence and poorer survival of cervical cancer patients. CONCLUSIONS Silencing of AKR1C3 increases LCN2 expression and inhibits metastasis in cervical cancer. Both AKR1C3 and LCN2 serve as molecular targets for cancer therapy to improve the clinical outcome of cervical cancer patients.
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Piao YS, Wiesenfeld P, Sprando R, Arnold JT. TGFβ1 alters androgenic metabolites and hydroxysteroid dehydrogenase enzyme expression in human prostate reactive stromal primary cells: Is steroid metabolism altered by prostate reactive stromal microenvironment? J Steroid Biochem Mol Biol 2013; 138:206-13. [PMID: 23770322 PMCID: PMC3839662 DOI: 10.1016/j.jsbmb.2013.05.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Revised: 05/18/2013] [Accepted: 05/30/2013] [Indexed: 10/26/2022]
Abstract
The inflammatory tissue microenvironment can be an active promoter in preneoplastic cancer lesions. Altered steroid hormone metabolism as induced by the inflammatory microenvironment may contribute to epithelial cancer progression. Dehydroepiandrosterone sulfate (DHEAS) is the most abundant endogenous steroid hormone present in human serum and can be metabolized to DHEA, androgens and/or estrogens in peripheral tissues. We have previously reported that TGFβ1-induced reactive prostate stromal cells increase DHEA metabolism to active androgens and alter prostate cancer cell gene expression. While much of the focus on mechanisms of prostate cancer and steroid metabolism is in the epithelial cancer cells, this study focuses on TGFβ1-induced effects on DHEA metabolic pathways and enzymes in human prostate stromal cells. In DHEA-treated primary prostate stromal cells, TGFβ1 produced time- and dose-dependent increases in metabolism of DHEA to androstenedione and testosterone. Also TGFβ1-treated prostate stromal cells exhibited changes in the gene expression of enzymes involved in steroid metabolism including up-regulation of 3β hydroxysteroid dehydrogenase (HSD), and down-regulation of 17βHSD5, and 17βHSD2. These studies suggest that reactive prostate stroma and the inflammatory microenvironment may contribute to altered steroid metabolism and increased intratumoral androgens.
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Affiliation(s)
- Yun-shang Piao
- Division of Intramural Research, National Center for Complementary and Alternative Medicine, National Institutes of Health, Bethesda, MD 20892, United States
| | - Paddy Wiesenfeld
- Division of Toxicology, Office of Applied Research and Safety Assessment, Center for Food Safety and Applied Nutrition, Food and Drug Administration, Laurel, MD 20708, United States
| | - Robert Sprando
- Division of Toxicology, Office of Applied Research and Safety Assessment, Center for Food Safety and Applied Nutrition, Food and Drug Administration, Laurel, MD 20708, United States
| | - Julia T. Arnold
- Division of Intramural Research, National Center for Complementary and Alternative Medicine, National Institutes of Health, Bethesda, MD 20892, United States
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Storbeck KH, Bloem LM, Africander D, Schloms L, Swart P, Swart AC. 11β-Hydroxydihydrotestosterone and 11-ketodihydrotestosterone, novel C19 steroids with androgenic activity: a putative role in castration resistant prostate cancer? Mol Cell Endocrinol 2013; 377:135-46. [PMID: 23856005 DOI: 10.1016/j.mce.2013.07.006] [Citation(s) in RCA: 126] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 06/10/2013] [Accepted: 07/05/2013] [Indexed: 01/28/2023]
Abstract
Adrenal C19 steroids, dehydroepiandrostenedione (DHEA(S)) and androstenedione (A4), play a critical role in castration resistant prostate cancer (CRPC) as they are metabolised to dihydrotestosterone (DHT), via testosterone (T), or via the alternate 5α-dione pathway, bypassing T. Adrenal 11OHA4 metabolism in CRPC is, however, unknown. We present a novel pathway for 11OHA4 metabolism in CRPC leading to the production of 11ketoT (11KT) and novel 5α-reduced C19 steroids - 11OH-5α-androstanedione, 11keto-5α-androstanedione, 11OHDHT and 11ketoDHT (11KDHT). The pathway was validated in the androgen-dependent prostate cancer cell line, LNCaP. Androgen receptor (AR) transactivation studies showed that while 11KT and 11OHDHT act as a partial AR agonists, 11KDHT is a full AR agonist exhibiting similar activity to DHT at 1nM. Our data demonstrates that, while 11OHA4 has negligible androgenic activity, its metabolism to 11KT and 11KDHT yields androgenic compounds which may be implicated, together with A4 and DHEA(S), in driving CRPC in the absence of testicular T.
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Affiliation(s)
- Karl-Heinz Storbeck
- Department of Biochemistry, University of Stellenbosch, Stellenbosch 7600, South Africa
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Yang L, Zhang J, Zhang S, Dong W, Lou X, Liu S. Quantitative evaluation of aldo-keto reductase expression in hepatocellular carcinoma (HCC) cell lines. GENOMICS PROTEOMICS & BIOINFORMATICS 2013; 11:230-40. [PMID: 23584128 PMCID: PMC4357791 DOI: 10.1016/j.gpb.2013.04.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Revised: 03/31/2013] [Accepted: 04/07/2013] [Indexed: 12/03/2022]
Abstract
The involvement of aldo–keto reductases (AKRs) in tumorigenesis is widely reported, but their roles in the pathological process are not generally recognized due to inconsistent measurements of their expression. To overcome this problem, we simultaneously employed real-time PCR to examine gene expression and multiple reaction monitoring (MRM) of mass spectrometry (MS) to examine the protein expression of AKRs in five different hepatic cell lines. These include one relatively normal hepatic cell line, L-02, and four hepatocellular carcinoma (HCC) cell lines, HepG2, HuH7, BEL7402 and SMMC7721. The results of real-time PCR showed that expression of genes encoding the AKR1C family members rather than AKR1A and AKR1B was associated with tumor, and most of genes encoding AKRs were highly expressed in HuH7. Similar observations were obtained through MRM. Different from HuH7, the protein abundance of AKR1A and AKR1B was relatively consistent among the other four hepatic cell lines, while protein expression of AKR1C varied significantly compared to L-02. Therefore, we conclude that the abundant distribution of AKR1C proteins is likely to be associated with liver tumorigenesis, and the AKR expression status in HuH7 is completely different from other liver cancer cell lines. This study, for the first time, provided both overall and quantitative information regarding the expression of AKRs at both mRNA and protein levels in hepatic cell lines. Our observations put the previous use of AKRs as a biomarker into question since it is only consistent with our data from HuH7. Furthermore, the data presented herein demonstrated that quantitative evaluation and comparisons within a protein family at both mRNA and protein levels were feasible using current techniques.
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Affiliation(s)
- Lei Yang
- CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China
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Zhang S, Wen B, Zhou B, Yang L, Cha C, Xu S, Qiu X, Wang Q, Sun H, Lou X, Zi J, Zhang Y, Lin L, Liu S. Quantitative analysis of the human AKR family members in cancer cell lines using the mTRAQ/MRM approach. J Proteome Res 2013; 12:2022-33. [PMID: 23544749 DOI: 10.1021/pr301153z] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Members of human aldo-keto reductase (AKR) superfamily have been reported to be involved in cancer progression, whereas the final conclusion is not generally accepted. Herein, we propose a quantitative method to measure human AKR proteins in cells using mTRAQ-based multiple reaction monitoring (MRM). AKR peptides with multiple transitions were carefully selected upon tryptic digestion of the recombinant AKR proteins, while AKR proteins were identified by SDS-PAGE fractionation coupled with LC-MS/MS. Utilizing mTRAQ triplex labeling to produce the derivative peptides, calibration curves were generated using the mixed lysate as background, and no significantly different quantification of AKRs was elicited from the two sets of calibration curves under the mixed and single lysate as background. We employed this approach to quantitatively determine the 6 AKR proteins, AKR1A1, AKR1B1, AKR1B10, AKR1C1/C2, AKR1C3, and AKR1C4, in 7 different cancer cell lines and for the first time to obtain the absolute quantities of all the AKR proteins in each cell. The cluster plot revealed that AKR1A and AKR1B were widely distributed in most cancer cells with relatively stable abundances, whereas AKR1Cs were unevenly detected among these cells with diverse dynamic abundances. The AKR quantitative distribution in different cancer cells, therefore, may assist further exploration toward how the AKR proteins are involved in tumorigenesis.
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Affiliation(s)
- Shenyan Zhang
- Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, 101318, China
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Xie L, Yu J, Guo W, Wei L, Liu Y, Wang X, Song X. Aldo-keto reductase 1C3 may be a new radioresistance marker in non-small-cell lung cancer. Cancer Gene Ther 2013; 20:260-6. [PMID: 23519145 DOI: 10.1038/cgt.2013.15] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Human aldo-keto reductase 1C3, type 2 3α-hydroxysteroid dehydrogenase (HSD)/type 5 17β-HSD (AKR1C3) is known to be involved in steroid, prostaglandin and lipid aldehyde metabolism. The role of AKR1C3 in the radiosensitivity to X-rays of human non-small-cell lung cancer (NSCLC) cells was explored. In this study, a specific small interfering RNA (siRNA) to target the AKR1C3 gene was used. A suite of readouts including cell survival were determined using a colony formation assay; apoptosis evaluated by Annexin V expression levels, irradiation-induced cytotoxicity established using a MTT cell viability assay and cell cycle distribution measured by flow cytometry were used in characterizing the role of the AKR1C3 gene. Although AKR1C3 was significantly overexpressed in both our radioresistant subclone cells and NSCLC tissues, a specific AKR1C3 siRNA significantly enhanced cell radiosensitivity and was concomitant with decreased expression of this gene. Furthermore, reduced interleukin-6 (IL-6)-mediated radioresistance was observed when siRNA was used to knock down AKR1C3 activity. This AKR1C3-mediated radioresistance was correlated with an arrest in the G2/M cell cycle and a decreased induction of apoptosis. AKR1C3 may present a potential therapeutic target in addressing radioresistance of NSCLC, and in particular in IL-6-mediated radioresistance.
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Affiliation(s)
- L Xie
- Shandong Provincial Key Laboratory of Radiation Oncology, Shandong Cancer Hospital and Institute, Jinan, Shandong Province, China
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