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Stauffer PE, Brinkley J, Jacobson D, Quaranta V, Tyson DR. Purinergic Ca 2+ signaling as a novel mechanism of drug tolerance in BRAF mutant melanoma. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.11.03.565532. [PMID: 37961267 PMCID: PMC10635130 DOI: 10.1101/2023.11.03.565532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Drug tolerance is a major cause of relapse after cancer treatment. In spite of intensive efforts1-9, its molecular basis remains poorly understood, hampering actionable intervention. We report a previously unrecognized signaling mechanism supporting drug tolerance in BRAF-mutant melanoma treated with BRAF inhibitors that could be of general relevance to other cancers. Its key features are cell-intrinsic intracellular Ca2+ signaling initiated by P2X7 receptors (purinergic ligand-gated cation channels), and an enhanced ability for these Ca2+ signals to reactivate ERK1/2 in the drug-tolerant state. Extracellular ATP, virtually ubiquitous in living systems, is the ligand that can initiate Ca2+ spikes via P2X7 channels. ATP is abundant in the tumor microenvironment and is released by dying cells, ironically implicating treatment-initiated cancer cell death as a source of trophic stimuli that leads to ERK reactivation and drug tolerance. Such a mechanism immediately offers an explanation of the inevitable relapse after BRAFi treatment in BRAF-mutant melanoma, and points to actionable strategies to overcome it.
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Affiliation(s)
- Philip E Stauffer
- Department of Pharmacology, Vanderbilt University School of Medicine Basic Sciences, Nashville, TN, USA
| | - Jordon Brinkley
- Department of Pharmacology, Vanderbilt University School of Medicine Basic Sciences, Nashville, TN, USA
| | - David Jacobson
- Departments of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine Basic Sciences, Nashville, TN, USA
| | - Vito Quaranta
- Department of Pharmacology, Vanderbilt University School of Medicine Basic Sciences, Nashville, TN, USA
- Department of Biochemistry, Vanderbilt University School of Medicine Basic Sciences, Nashville, TN, USA
| | - Darren R Tyson
- Department of Pharmacology, Vanderbilt University School of Medicine Basic Sciences, Nashville, TN, USA
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Zhang H, Chen Z, Zhang A, Gupte AA, Hamilton DJ. The Role of Calcium Signaling in Melanoma. Int J Mol Sci 2022; 23:ijms23031010. [PMID: 35162934 PMCID: PMC8835635 DOI: 10.3390/ijms23031010] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 01/12/2022] [Accepted: 01/13/2022] [Indexed: 02/04/2023] Open
Abstract
Calcium signaling plays important roles in physiological and pathological conditions, including cutaneous melanoma, the most lethal type of skin cancer. Intracellular calcium concentration ([Ca2+]i), cell membrane calcium channels, calcium related proteins (S100 family, E-cadherin, and calpain), and Wnt/Ca2+ pathways are related to melanogenesis and melanoma tumorigenesis and progression. Calcium signaling influences the melanoma microenvironment, including immune cells, extracellular matrix (ECM), the vascular network, and chemical and physical surroundings. Other ionic channels, such as sodium and potassium channels, are engaged in calcium-mediated pathways in melanoma. Calcium signaling serves as a promising pharmacological target in melanoma treatment, and its dysregulation might serve as a marker for melanoma prediction. We documented calcium-dependent endoplasmic reticulum (ER) stress and mitochondria dysfunction, by targeting calcium channels and influencing [Ca2+]i and calcium homeostasis, and attenuated drug resistance in melanoma management.
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Affiliation(s)
- Haoran Zhang
- Center for Bioenergetics, Houston Methodist Research Institute, Houston, TX 77030, USA; (H.Z.); (A.Z.); (A.A.G.)
- Xiangya Hospital, Central South University, Changsha 410008, China;
| | - Zhe Chen
- Xiangya Hospital, Central South University, Changsha 410008, China;
| | - Aijun Zhang
- Center for Bioenergetics, Houston Methodist Research Institute, Houston, TX 77030, USA; (H.Z.); (A.Z.); (A.A.G.)
- Department of Medicine, Houston Methodist, Weill Cornell Medicine Affiliate, Houston, TX 77030, USA
| | - Anisha A. Gupte
- Center for Bioenergetics, Houston Methodist Research Institute, Houston, TX 77030, USA; (H.Z.); (A.Z.); (A.A.G.)
- Department of Medicine, Houston Methodist, Weill Cornell Medicine Affiliate, Houston, TX 77030, USA
| | - Dale J. Hamilton
- Center for Bioenergetics, Houston Methodist Research Institute, Houston, TX 77030, USA; (H.Z.); (A.Z.); (A.A.G.)
- Department of Medicine, Houston Methodist, Weill Cornell Medicine Affiliate, Houston, TX 77030, USA
- Correspondence: ; Tel.: +1-(713)-441-4483
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Böhme I, Schönherr R, Eberle J, Bosserhoff AK. Membrane Transporters and Channels in Melanoma. Rev Physiol Biochem Pharmacol 2020; 181:269-374. [PMID: 32737752 DOI: 10.1007/112_2020_17] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Recent research has revealed that ion channels and transporters can be important players in tumor development, progression, and therapy resistance in melanoma. For example, members of the ABC family were shown to support cancer stemness-like features in melanoma cells, while several members of the TRP channel family were reported to act as tumor suppressors.Also, many transporter proteins support tumor cell viability and thus suppress apoptosis induction by anticancer therapy. Due to the high number of ion channels and transporters and the resulting high complexity of the field, progress in understanding is often focused on single molecules and is in total rather slow. In this review, we aim at giving an overview about a broad subset of ion transporters, also illustrating some aspects of the field, which have not been addressed in detail in melanoma. In context with the other chapters in this special issue on "Transportome Malfunctions in the Cancer Spectrum," a comparison between melanoma and these tumors will be possible.
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Affiliation(s)
- Ines Böhme
- Institute of Biochemistry, Emil Fischer Center, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany
| | - Roland Schönherr
- Institute of Biochemistry and Biophysics, Friedrich Schiller University Jena and Jena University Hospital, Jena, Germany
| | - Jürgen Eberle
- Department of Dermatology, Venerology and Allergology, Skin Cancer Center Charité, University Medical Center Charité, Berlin, Germany
| | - Anja Katrin Bosserhoff
- Institute of Biochemistry, Emil Fischer Center, Friedrich-Alexander-University of Erlangen-Nürnberg, Erlangen, Germany. .,Comprehensive Cancer Center (CCC) Erlangen-EMN, Erlangen, Germany.
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Li J, Jia Y, An L, Niu C, Cong X, Zhao Y. Uncoupling protein 2 is upregulated in melanoma cells and contributes to the activation of Akt/mTOR and ERK signaling. Int J Oncol 2020; 56:1252-1261. [PMID: 32319575 DOI: 10.3892/ijo.2020.5010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 12/12/2019] [Indexed: 11/05/2022] Open
Abstract
The aim of the present study was to characterize the expression of uncoupling protein 2 (UCP2) in melanoma and to study the potential mechanisms underlying the involvement of UCP2 in melanomagenesis using human melanoma cell lines. The expression of UCP2 was evaluated in specimens from normal control subjects, patients with compound nevus, and patients with cutaneous and mucosal melanoma. Stable knockdown of UCP2 was achieved in human melanoma cell lines, which were used to examine whether UCP2 knockdown affects the mitochondrial membrane potential and intracellular levels of ATP, reactive oxygen species and lactate. Cell proliferation, invasion, spheroid formation and cisplatin sensitivity were also evaluated in the UCP2 knockdown cells. Finally, the effects of UCP2 knockdown on the Akt/mammalian target of rapamycin (mTOR) and extracellular signal‑regulated kinase (ERK) pathways, which are important oncogenic pathways during melanomagenesis, were evaluated. Relatively high expression of UCP2 was detected in human melanoma specimens, which was correlated with Clark level and Breslow thickness. Knockdown of UCP2 suppressed cell proliferation, invasion and spheroid formation, and increased the sensitivity of melanoma cells to cisplatin. Furthermore, the UCP2 knockdown cells exhibited inhibition of Akt/mTOR signaling and ERK activation. Therefore, human melanoma tissues exhibit relatively high UCP2 expression, which may be implicated in the mechanisms underlying tumor progression. The potential role of UCP2 in melanomagenesis may involve enhancing the Akt/mTOR and mitogen‑activated protein kinase/ERK pathways.
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Affiliation(s)
- Jinran Li
- Department of Dermatology, China‑Japan Union Hospital, Jilin University, Changchun, Jilin 130033, P.R. China
| | - Yuxi Jia
- Department of Dermatology, China‑Japan Union Hospital, Jilin University, Changchun, Jilin 130033, P.R. China
| | - Lin An
- Department of Dermatology, China‑Japan Union Hospital, Jilin University, Changchun, Jilin 130033, P.R. China
| | - Chunbo Niu
- Department of Pathology, China‑Japan Union Hospital, Jilin University, Changchun, Jilin 130033, P.R. China
| | - Xianling Cong
- Department of Dermatology, China‑Japan Union Hospital, Jilin University, Changchun, Jilin 130033, P.R. China
| | - Yunfeng Zhao
- Department of Pharmacology, Toxicology and Neurosciences, LSU Health Sciences Center, Shreveport, LA 71130, USA
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Shi HZ, Xiong JS, Xu CC, Bu WB, Wang Y, Sun JF, Chen H. Long non-coding RNA expression identified by microarray analysis: Candidate biomarkers in human acral lentiginous melanoma. Oncol Lett 2019; 19:1465-1477. [PMID: 31966073 PMCID: PMC6956422 DOI: 10.3892/ol.2019.11207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 11/14/2019] [Indexed: 11/05/2022] Open
Abstract
Melanoma is a rare but fatal form of skin cancer and acral lentiginous melanoma (ALM) is one of its most common types. Long non-coding RNA (lncRNA) has emerged as a crucial molecule in the development and progression of human cancers, and several studies have revealed that lncRNAs may be associated with the pathogenesis, progression and metastasis of melanoma. To demonstrate the association between ALM and lncRNAs, microarray analysis was performed in tumor and adjacent non-tumor tissues. A total of 4,488 lncRNAs and 3,913 mRNAs were identified to be differentially expressed in these samples. Among them, 2,211 and 2,277 lncRNAs were upregulated and downregulated in the ALM samples compared with adjacent tissues, respectively. In addition, 1,191 and 2,722 mRNAs were upregulated and downregulated, respectively. Additionally, five randomly selected lncRNAs (fold-change >2; P<0.05) were validated by reverse transcription-quantitative PCR. An lncRNA and mRNA co-expression network and competing endogenous network analysis were also constructed. In summary, the results of the present study may reveal a novel mechanism associated with the pathogenesis and malignant biological processes of ALM and indicate that lncRNAs may serve as potential targets for the treatment of ALM.
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Affiliation(s)
- Hao-Ze Shi
- Department of Pathology, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu 210042, P.R. China
| | - Jing-Shu Xiong
- Department of Pathology, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu 210042, P.R. China
| | - Cong-Cong Xu
- Department of Pathology, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu 210042, P.R. China
| | - Wen-Bo Bu
- Department of Surgery, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu 210042, P.R. China
| | - Yan Wang
- Department of Surgery, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu 210042, P.R. China
| | - Jian-Fang Sun
- Department of Pathology, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu 210042, P.R. China
| | - Hao Chen
- Department of Pathology, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu 210042, P.R. China
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Wang HZ, Wang F, Chen PF, Zhang M, Yu MX, Wang HL, Zhao Q, Liu J. Coexpression network analysis identified that plakophilin 1 is associated with the metastasis in human melanoma. Biomed Pharmacother 2019; 111:1234-1242. [PMID: 30841437 DOI: 10.1016/j.biopha.2018.12.135] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 12/25/2018] [Accepted: 12/30/2018] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND AND AIMS Malignant melanoma is a fatal cancer with high metastatic characteristics. Approximately 80% of skin cancer deaths are caused by metastatic melanoma. It has been established that the metastatic ability of melanoma is regulated by an intricate gene interconnection network. Thus, the aim of this study was to identify and validate hub genes associated with metastatic melanoma and to further illustrate its potential mechanisms. METHODS The method of weighted gene coexpression network analysis (WGCNA) was applied to explore potential regulatory targets and investigate the relationship between the key module and hub genes associated with the metastasis ability of melanoma. RESULTS In the turquoise module, 26 hub genes were initially selected, and 6 of them were identified as "real" hub genes with high connectivity in the protein-protein interaction network. In terms of validation, PKP1 had the highest correlation with metastasis among all the "real" hub genes. Data obtained from the GEPIA database and the Gene Expression Omnibus database showed a lower expression of PKP1 in melanoma tissues compared to normal skin tissues. The results also showed that PKP1 was downregulated in metastatic melanomas (n = 367) compared with primary melanomas (n = 103) in The Cancer Genome Atlas (TCGA) database (n = 470). Furthermore, an ROC curve showed that PKP1 expression had good power in the diagnostics of both primary melanoma (p = 5.30e-06, AUC = 0.8) and metastatic melanoma (p = 1.13e-10, AUC = 0.925). We also found that PKP1 could distinguish low- and high-grade of metastatic melanomas and was associated with inflammatory melanoma. Moreover, in a tumor-bearing mouse model, melanoma tissues also showed lower mRNA expression of PKP1 than the adjacent normal skin. Finally, Gene Set Enrichment Analysis indicated that the calcium signaling was significantly enriched in metastatic melanoma with highly expressed PKP1. CONCLUSIONS PKP1 was identified as a new potential tumor suppressor in human melanoma, likely through regulating calcium signaling pathways.
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Affiliation(s)
- Hai-Zhou Wang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China; Hubei Clinical Center and Key Laboratory of Intestinal and Colorectal Diseases, Wuhan, 430071, China
| | - Fan Wang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China; Hubei Clinical Center and Key Laboratory of Intestinal and Colorectal Diseases, Wuhan, 430071, China
| | - Peng-Fei Chen
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China; Hubei Clinical Center and Key Laboratory of Intestinal and Colorectal Diseases, Wuhan, 430071, China
| | - Meng Zhang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China; Hubei Clinical Center and Key Laboratory of Intestinal and Colorectal Diseases, Wuhan, 430071, China
| | - Ming-Xia Yu
- Department of Clinical Laboratory, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, 430071, China
| | - Hong-Ling Wang
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China; Hubei Clinical Center and Key Laboratory of Intestinal and Colorectal Diseases, Wuhan, 430071, China
| | - Qiu Zhao
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China; Hubei Clinical Center and Key Laboratory of Intestinal and Colorectal Diseases, Wuhan, 430071, China
| | - Jing Liu
- Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China; Hubei Clinical Center and Key Laboratory of Intestinal and Colorectal Diseases, Wuhan, 430071, China.
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