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Hattori Y, Tahara S, Ozawa H, Morita A, Ishii H. Transcriptomic Profiling of Lactotroph Pituitary Neuroendocrine Tumors via RNA Sequencing and Ingenuity Pathway Analysis. Neuroendocrinology 2024; 114:670-680. [PMID: 38643763 DOI: 10.1159/000539017] [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: 01/21/2024] [Accepted: 04/09/2024] [Indexed: 04/23/2024]
Abstract
INTRODUCTION Lactotroph pituitary neuroendocrine tumors (PitNETs) are common pituitary tumors, but their underlying molecular mechanisms remain unclear. This study aimed to investigate the transcriptomic landscape of lactotroph PitNETs and identify potential molecular mechanisms and therapeutic targets through RNA sequencing and ingenuity pathway analysis (IPA). METHODS Lactotroph PitNET tissues from five surgical cases without dopamine agonist treatment underwent RNA sequencing. Normal pituitary tissues from 3 patients served as controls. Differentially expressed genes (DEGs) were identified, and the functional pathways and gene networks were explored by IPA. RESULTS Transcriptome analysis revealed that lactotroph PitNETs had gene expression patterns that were distinct from normal pituitary tissues. We identified 1,172 upregulated DEGs, including nine long intergenic noncoding RNAs (lincRNAs) belonging to the top 30 DEGs. IPA of the upregulated DEGs showed that the estrogen receptor signaling, oxidative phosphorylation signaling, and EIF signaling were activated. In gene network analysis, key upstream regulators, such as EGR1, PRKACA, PITX2, CREB1, and JUND, may play critical roles in lactotroph PitNETs. CONCLUSION This study provides a comprehensive transcriptomic profile of lactotroph PitNETs and highlights the potential involvement of lincRNAs and specific signaling pathways in tumor pathogenesis. The identified upstream regulators may be potential therapeutic targets for future investigations.
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Affiliation(s)
- Yujiro Hattori
- Department of Anatomy and Neurobiology, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan
- Department of Neurological Surgery, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan
| | - Shigeyuki Tahara
- Department of Neurological Surgery, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan
| | - Hitoshi Ozawa
- Department of Anatomy and Neurobiology, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan
| | - Akio Morita
- Department of Neurological Surgery, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan
| | - Hirotaka Ishii
- Department of Anatomy and Neurobiology, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan
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Demeule M, Currie JC, Charfi C, Zgheib A, Cousineau I, Lullier V, Béliveau R, Marsolais C, Annabi B. Sudocetaxel Zendusortide (TH1902) triggers the cGAS/STING pathway and potentiates anti-PD-L1 immune-mediated tumor cell killing. Front Immunol 2024; 15:1355945. [PMID: 38482021 PMCID: PMC10936008 DOI: 10.3389/fimmu.2024.1355945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 01/31/2024] [Indexed: 04/14/2024] Open
Abstract
The anticancer efficacy of Sudocetaxel Zendusortide (TH1902), a peptide-drug conjugate internalized through a sortilin-mediated process, was assessed in a triple-negative breast cancer-derived MDA-MB-231 immunocompromised xenograft tumor model where complete tumor regression was observed for more than 40 days after the last treatment. Surprisingly, immunohistochemistry analysis revealed high staining of STING, a master regulator in the cancer-immunity cycle. A weekly administration of TH1902 as a single agent in a murine B16-F10 melanoma syngeneic tumor model demonstrated superior tumor growth inhibition than did docetaxel. A net increase in CD45 leukocyte infiltration within TH1902-treated tumors, especially for tumor-infiltrating lymphocytes and tumor-associated macrophages was observed. Increased staining of perforin, granzyme B, and caspase-3 was suggestive of elevated cytotoxic T and natural killer cell activities. Combined TH1902/anti-PD-L1 treatment led to increases in tumor growth inhibition and median animal survival. TH1902 inhibited cell proliferation and triggered apoptosis and senescence in B16-F10 cells in vitro, while inducing several downstream effectors of the cGAS/STING pathway and the expression of MHC-I and PD-L1. This is the first evidence that TH1902 exerts its antitumor activity, in part, through modulation of the immune tumor microenvironment and that the combination of TH1902 with checkpoint inhibitors (anti-PD-L1) could lead to improved clinical outcomes.
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Affiliation(s)
| | | | | | - Alain Zgheib
- Laboratoire d’Oncologie Moléculaire, Département de Chimie, Université du Québec à Montréal, Montréal, QC, Canada
| | - Isabelle Cousineau
- Laboratoire d’Oncologie Moléculaire, Département de Chimie, Université du Québec à Montréal, Montréal, QC, Canada
| | - Véronique Lullier
- Laboratoire d’Oncologie Moléculaire, Département de Chimie, Université du Québec à Montréal, Montréal, QC, Canada
| | - Richard Béliveau
- Laboratoire d’Oncologie Moléculaire, Département de Chimie, Université du Québec à Montréal, Montréal, QC, Canada
| | | | - Borhane Annabi
- Laboratoire d’Oncologie Moléculaire, Département de Chimie, Université du Québec à Montréal, Montréal, QC, Canada
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Ke X, Duan L, Gong F, Zhang Y, Deng K, Yao Y, Wang L, Feng F, Xing B, Pan H, Zhu H. A study on serum pro-neurotensin (PNT), furin, and zinc alpha-2-glycoprotein (ZAG) levels in patients with acromegaly. J Endocrinol Invest 2022; 45:1945-1954. [PMID: 35670958 DOI: 10.1007/s40618-022-01827-1] [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: 02/03/2022] [Accepted: 05/18/2022] [Indexed: 11/28/2022]
Abstract
PURPOSE Acromegaly caused by growth hormone cell adenoma is commonly associated with abnormal glucolipid metabolism, which may result from changes in adipocytokine secretion. This study aims to investigate serum adipokine levels, including pro-neurotensin (PNT), furin, and zinc alpha-2-glycoprotein (ZAG), in acromegalic patients and the correlation between the levels of these three adipokines and GH levels and glucolipid metabolism indices. METHODS Sixty-eight acromegalic patients and 121 controls were included, and their clinical data were recorded from electronic medical record system. Serum PNT, furin and ZAG levels were measured by ELISA. RESULTS Serum PNT levels in acromegalic patients were significantly higher than controls (66.60 ± 12.36 vs. 46.68 ± 20.54 pg/ml, P < 0.001), and acromegaly was an independent influencing factor of PNT levels (P < 0.001). Moreover, subjects with the highest tertile of PNT levels had a close correlation with acromegaly (OR = 22.200, 95% CI 7.156 ~ 68.875, P < 0.001), even in Model 1 adjusted for gender and age and Model 2 adjusted for gender, age and BMI. Additionally, serum PNT levels were positively correlated with BMI (r = 0.220, P = 0.002) and triglycerides (TGs, r = 0.295, P < 0.001), and TGs were an independent influencing factor of serum PNT levels in acromegalic subjects (P < 0.001). Furthermore, serum PNT levels in obese acromegalic patients were significantly higher than those with normal BMI (P < 0.05). However, serum furin levels were lower in acromegalic patients than controls (0.184 ± 0.036 vs. 0.204 ± 0.061 ng/ml, P < 0.001). CONCLUSION This study is the first to demonstrate that acromegalic patients have increased serum PNT levels. Moreover, serum PNT plays a potential role in abnormal lipid metabolism of acromegalic patients.
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Affiliation(s)
- X Ke
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Chinese Academy of Medical Science and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, 100730, China
| | - L Duan
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Chinese Academy of Medical Science and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, 100730, China
| | - F Gong
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Chinese Academy of Medical Science and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, 100730, China
| | - Y Zhang
- Central Research Laboratory, Chinese Academy of Medical Science and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, 100730, China
| | - K Deng
- Department of Neurosurgery, Chinese Academy of Medical Science and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, 100730, China
| | - Y Yao
- Department of Neurosurgery, Chinese Academy of Medical Science and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, 100730, China
| | - L Wang
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Chinese Academy of Medical Science and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, 100730, China
| | - F Feng
- Department of Radiology, Chinese Academy of Medical Science and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, 100730, China
| | - B Xing
- Department of Neurosurgery, Chinese Academy of Medical Science and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, 100730, China
| | - H Pan
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Chinese Academy of Medical Science and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, 100730, China
| | - H Zhu
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, State Key Laboratory of Complex Severe and Rare Diseases, Chinese Academy of Medical Science and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, 100730, China.
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Wu Y, Berisha A, Borniger JC. Neuropeptides in Cancer: Friend and Foe? Adv Biol (Weinh) 2022; 6:e2200111. [PMID: 35775608 DOI: 10.1002/adbi.202200111] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/31/2022] [Indexed: 01/28/2023]
Abstract
Neuropeptides are small regulatory molecules found throughout the body, most notably in the nervous, cardiovascular, and gastrointestinal systems. They serve as neurotransmitters or hormones in the regulation of diverse physiological processes. Cancer cells escape normal growth control mechanisms by altering their expression of growth factors, receptors, or intracellular signals, and neuropeptides have recently been recognized as mitogens in cancer growth and development. Many neuropeptides and their receptors exist in multiple subtypes, coupling with different downstream signaling pathways and playing distinct roles in cancer progression. The consideration of neuropeptide/receptor systems as anticancer targets is already leading to new biological and diagnostic knowledge that has the potential to enhance the understanding and treatment of cancer. In this review, recent discoveries regarding neuropeptides in a wide range of cancers, emphasizing their mechanisms of action, signaling cascades, regulation, and therapeutic potential, are discussed. Current technologies used to manipulate and analyze neuropeptides/receptors are described. Applications of neuropeptide analogs and their receptor inhibitors in translational studies and radio-oncology are rapidly increasing, and the possibility for their integration into therapeutic trials and clinical treatment appears promising.
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Affiliation(s)
- Yue Wu
- Cold Spring Harbor Laboratory, One Bungtown Rd, Cold Spring Harbor, NY, 11724, USA
| | - Adrian Berisha
- Cold Spring Harbor Laboratory, One Bungtown Rd, Cold Spring Harbor, NY, 11724, USA
| | - Jeremy C Borniger
- Cold Spring Harbor Laboratory, One Bungtown Rd, Cold Spring Harbor, NY, 11724, USA
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Mitok KA, Keller MP, Attie AD. Sorting through the extensive and confusing roles of sortilin in metabolic disease. J Lipid Res 2022; 63:100243. [PMID: 35724703 PMCID: PMC9356209 DOI: 10.1016/j.jlr.2022.100243] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 06/10/2022] [Accepted: 06/13/2022] [Indexed: 01/06/2023] Open
Abstract
Sortilin is a post-Golgi trafficking receptor homologous to the yeast vacuolar protein sorting receptor 10 (VPS10). The VPS10 motif on sortilin is a 10-bladed β-propeller structure capable of binding more than 50 proteins, covering a wide range of biological functions including lipid and lipoprotein metabolism, neuronal growth and death, inflammation, and lysosomal degradation. Sortilin has a complex cellular trafficking itinerary, where it functions as a receptor in the trans-Golgi network, endosomes, secretory vesicles, multivesicular bodies, and at the cell surface. In addition, sortilin is associated with hypercholesterolemia, Alzheimer's disease, prion diseases, Parkinson's disease, and inflammation syndromes. The 1p13.3 locus containing SORT1, the gene encoding sortilin, carries the strongest association with LDL-C of all loci in human genome-wide association studies. However, the mechanism by which sortilin influences LDL-C is unclear. Here, we review the role sortilin plays in cardiovascular and metabolic diseases and describe in detail the large and often contradictory literature on the role of sortilin in the regulation of LDL-C levels.
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Affiliation(s)
- Kelly A Mitok
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI, USA
| | - Mark P Keller
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI, USA
| | - Alan D Attie
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI, USA.
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Charfi C, Demeule M, Currie JC, Larocque A, Zgheib A, Danalache BA, Ouanouki A, Béliveau R, Marsolais C, Annabi B. New Peptide-Drug Conjugates for Precise Targeting of SORT1-Mediated Vasculogenic Mimicry in the Tumor Microenvironment of TNBC-Derived MDA-MB-231 Breast and Ovarian ES-2 Clear Cell Carcinoma Cells. Front Oncol 2021; 11:760787. [PMID: 34751242 PMCID: PMC8571021 DOI: 10.3389/fonc.2021.760787] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 10/06/2021] [Indexed: 01/17/2023] Open
Abstract
Vasculogenic mimicry (VM) is defined as the formation of microvascular channels by genetically deregulated cancer cells and is often associated with high tumor grade and cancer therapy resistance. This microcirculation system, independent of endothelial cells, provides oxygen and nutrients to tumors, and contributes also in part to metastasis. VM has been observed in ovarian cancer and in triple negative breast cancer (TNBC) and shown to correlate with decreased overall cancer patient survival. Thus, strategies designed to inhibit VM may improve cancer patient treatments. In this study, sortilin (SORT1) receptor was detected in in vitro 3D capillary-like structures formed by ES-2 ovarian cancer and MDA-MB-231 TNBC-derived cells when grown on Matrigel. SORT1 gene silencing or antibodies directed against its extracellular domain inhibited capillary-like structure formation. In vitro, VM also correlated with increased gene expression of matrix metalloproteinase-9 (MMP-9) and of the cancer stem cell marker CD133. In vivo ES-2 xenograft model showed PAS+/CD31- VM structures (staining positive for both SORT1 and CD133). TH1904, a Doxorubicin-peptide conjugate that is internalized by SORT1, significantly decreased in vitro VM at low nM concentrations. In contrast, VM was unaffected by unconjugated Doxorubicin or Doxil (liposomal Doxorubicin) up to μM concentrations. TH1902, a Docetaxel-peptide conjugate, altered even more efficiently in vitro VM at pM concentrations. Overall, current data evidence for the first time that 1) SORT1 itself exerts a crucial role in both ES-2 and MDA-MB-231 VM, and that 2) VM in these cancer cell models can be efficiently inhibited by the peptide-drug conjugates TH1902/TH1904. These new findings also indicate that both peptide-drug conjugates, in addition to their reported cytotoxicity, could possibly inhibit VM in SORT1-positive TNBC and ovarian cancer patients.
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Affiliation(s)
| | | | | | | | - Alain Zgheib
- Laboratoire d'Oncologie Moléculaire, Département de chimie, Université du Québec à Montréal, Montréal, QC, Canada
| | - Bogdan Alexandru Danalache
- Laboratoire d'Oncologie Moléculaire, Département de chimie, Université du Québec à Montréal, Montréal, QC, Canada
| | - Amira Ouanouki
- Laboratoire d'Oncologie Moléculaire, Département de chimie, Université du Québec à Montréal, Montréal, QC, Canada
| | - Richard Béliveau
- Laboratoire d'Oncologie Moléculaire, Département de chimie, Université du Québec à Montréal, Montréal, QC, Canada
| | | | - Borhane Annabi
- Laboratoire d'Oncologie Moléculaire, Département de chimie, Université du Québec à Montréal, Montréal, QC, Canada
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Demeule M, Charfi C, Currie JC, Larocque A, Zgheib A, Kozelko S, Béliveau R, Marsolais C, Annabi B. TH1902, a new docetaxel-peptide conjugate for the treatment of sortilin-positive triple-negative breast cancer. Cancer Sci 2021; 112:4317-4334. [PMID: 34314556 PMCID: PMC8486219 DOI: 10.1111/cas.15086] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 07/23/2021] [Accepted: 07/24/2021] [Indexed: 01/01/2023] Open
Abstract
Triple‐negative breast cancer (TNBC) is a heterogeneous subgroup of cancers which lacks the expression and/or amplification of targetable biomarkers (ie, estrogen receptor, progestrogen receptor, and human epidermal growth factor receptor 2), and is often associated with the worse disease‐specific outcomes than other breast cancer subtypes. Here, we report that high expression of the sortilin (SORT1) receptor correlates with the decreased survival in TNBC patients, and more importantly in those bearing lymph node metastases. By exploiting SORT1 function in ligand internalization, a new anticancer treatment strategy was designed to target SORT1‐positive TNBC‐derived cells both in vitro and in two in vivo tumor xenografts models. A peptide (TH19P01), which requires SORT1 for internalization and to which many anticancer drugs could be conjugated, was developed. In vitro, while the TH19P01 peptide itself did not exert any antiproliferative or apoptotic effects, the docetaxel‐TH19P01 conjugate (TH1902) exerted potent antiproliferative and antimigratory activities when tested on TNBC‐derived MDA‐MB‐231 cells. TH1902 triggered faster and more potent apoptotic cell death than did unconjugated docetaxel. The apoptotic and antimigratory effects of TH1902 were both reversed by two SORT1 ligands, neurotensin and progranulin, and on siRNA‐mediated silencing of SORT1. TH1902 also altered microtubule polymerization and triggered the downregulation of the anti‐apoptotic Bcl‐xL biomarker. In vivo, both i.p. and i.v. administrations of TH1902 led to greater tumor regression in two MDA‐MB‐231 and HCC‐70 murine xenograft models than did docetaxel, without inducing neutropenia. Altogether, the data demonstrates the high in vivo efficacy and safety of TH1902 against TNBC through a SORT1 receptor‐mediated mechanism. This property allows for selective treatment of SORT1‐positive TNBC and makes TH1902 a promising avenue for personalized therapy with the potential of improving the therapeutic window of cytotoxic anticancer drugs such as docetaxel.
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Affiliation(s)
| | | | | | | | - Alain Zgheib
- Laboratoire d'Oncologie Moléculaire, Université du Québec à Montréal, Montréal, QC, Canada
| | - Sophie Kozelko
- Laboratoire d'Oncologie Moléculaire, Université du Québec à Montréal, Montréal, QC, Canada
| | - Richard Béliveau
- Laboratoire d'Oncologie Moléculaire, Université du Québec à Montréal, Montréal, QC, Canada
| | | | - Borhane Annabi
- Laboratoire d'Oncologie Moléculaire, Université du Québec à Montréal, Montréal, QC, Canada
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Zhang R, Wang YH, Shi X, Ji J, Zhan FQ, Leng H. Sortilin regulates keratinocyte proliferation and apoptosis through the PI3K-AKT signaling pathway. Life Sci 2021; 278:119630. [PMID: 34004257 DOI: 10.1016/j.lfs.2021.119630] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 04/29/2021] [Accepted: 05/08/2021] [Indexed: 11/24/2022]
Abstract
Sortilin is found to regulate proliferation and death of different cells, while its role in regulating keratinocyte proliferation and apoptosis is still unknown. In this study, we found that sortilin levels significantly increased in psoriasis patients, and sortilin suppression eliminated the proliferation of HaCaT cells induced by M5 cocktail solution and enhanced the levels of cleaved caspase 3 protein and the Bax/Bcl-2 ratio; however, levels of p-PI3K and p-AKT were decreased. In addition, sortilin silencing remitted the characteristic changes associated with psoriasis-like skin lesions. In summary, suppressed sortilin expression helped inhibit keratinocyte proliferation in HaCaT cells by inactivating PI3K/AKT signaling, which provides a new target for the therapy of psoriasis.
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Affiliation(s)
- Rui Zhang
- Department of Dermatology, The Second Affiliated Hospital of Soochow University, Su Zhou 215004, China
| | - Ye Hua Wang
- Department of Cell Biology, School of Biology and Basic Medical, Soochow University, No. 199 Renai Road, Suzhou 215123, China
| | - Xin Shi
- Department of Dermatology, The Second Affiliated Hospital of Soochow University, Su Zhou 215004, China
| | - Jiang Ji
- Department of Dermatology, The Second Affiliated Hospital of Soochow University, Su Zhou 215004, China
| | - Fu Qin Zhan
- Department of Clinical Laboratory, The Second Affiliated Hospital of Soochow University, 215004, China
| | - Hong Leng
- Department of Dermatology, The Second Affiliated Hospital of Soochow University, Su Zhou 215004, China.
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Yang W, Wu PF, Ma JX, Liao MJ, Wang XH, Xu LS, Xu MH, Yi L. Sortilin promotes glioblastoma invasion and mesenchymal transition through GSK-3β/β-catenin/twist pathway. Cell Death Dis 2019; 10:208. [PMID: 30814514 PMCID: PMC6393543 DOI: 10.1038/s41419-019-1449-9] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 02/02/2019] [Accepted: 02/12/2019] [Indexed: 12/21/2022]
Abstract
High aggressiveness is a hallmark of glioblastoma and predicts poor prognosis of patients with glioblastoma. The expression level of sortilin has been preliminarily reported to be elevated in high-grade glioma; however, the potential significance of sortilin in glioblastoma progression has not been elucidated. In this study, we investigated the oncogenic effect of sortilin in glioblastoma. Increased levels of sortilin were noted in the mesenchymal subtype of glioblastoma and highly aggressive subtypes of glioblastoma tissues and cell lines. In addition, high levels of sortilin predicted poor prognoses in patients with glioblastoma. Sortilin knockdown or inhibition with AF38469 (an orally bioavailable inhibitor of sortilin) significantly suppressed migration and invasion by inhibiting EMT-like mesenchymal transition in glioblastoma cells. Furthermore, we proved that sortilin promoted cell invasion mainly via Glycogen synthase kinase 3 beta (GSK-3β)/β-catenin/Twist-induced EMT-like mesenchymal transition in glioblastoma. Taken together, our results demonstrate a critical role of sortilin in glioblastoma invasion and EMT-like mesenchymal transition, indicating that sortilin contributes to glioblastoma progression. These data also highlight the dramatic antitumor effects of AF38469 in glioblastoma, suggesting that AF38469 is a potentially powerful antitumor agent for sortilin-overexpressing human glioblastoma.
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Affiliation(s)
- Wei Yang
- Department of Neurosurgery, Daping Hospital and Institute Research of Surgery, Army Medical University, Chongqing, 400042, China
| | - Peng-Fei Wu
- Department of Neurosurgery, Daping Hospital and Institute Research of Surgery, Army Medical University, Chongqing, 400042, China
| | - Jian-Xing Ma
- Department of Neurosurgery, Daping Hospital and Institute Research of Surgery, Army Medical University, Chongqing, 400042, China
| | - Mao-Jun Liao
- Department of Neurosurgery, Daping Hospital and Institute Research of Surgery, Army Medical University, Chongqing, 400042, China
| | - Xu-Hui Wang
- Department of Neurosurgery, Daping Hospital and Institute Research of Surgery, Army Medical University, Chongqing, 400042, China
| | - Lun-Shan Xu
- Department of Neurosurgery, Daping Hospital and Institute Research of Surgery, Army Medical University, Chongqing, 400042, China
| | - Min-Hui Xu
- Department of Neurosurgery, Daping Hospital and Institute Research of Surgery, Army Medical University, Chongqing, 400042, China.
| | - Liang Yi
- Department of Neurosurgery, Daping Hospital and Institute Research of Surgery, Army Medical University, Chongqing, 400042, China.
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Kim JT, Napier DL, Weiss HL, Lee EY, Townsend CM, Evers BM. Neurotensin Receptor 3/Sortilin Contributes to Tumorigenesis of Neuroendocrine Tumors Through Augmentation of Cell Adhesion and Migration. Neoplasia 2017; 20:175-181. [PMID: 29272741 PMCID: PMC5884004 DOI: 10.1016/j.neo.2017.11.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 11/21/2017] [Accepted: 11/21/2017] [Indexed: 01/15/2023] Open
Abstract
Neurotensin (NTS), a 13–amino acid peptide which is distributed predominantly along gastrointestinal tract, has multiple physiologic and pathologic functions, and its effects are mediated by three distinct NTS receptors (NTSRs). Overexpression and activation of NTS signaling components, especially NTS and/or NTSR1, are closely linked with cancer progression and metastasis in various types of cancers including neuroendocrine tumors (NETs). Although deregulation of NTSR3/sortilin has been implicated in a variety of human diseases, the expression and role of NTSR3/sortilin in NETs have not been elucidated. In this study, we investigated the expression and oncogenic effect of NTSR3/sortilin in NETs. Increased protein levels of NTSR3/sortilin were noted in the majority of human clinical NETs (n = 21) by immunohistochemical analyses compared with normal tissues (n = 12). Expression of NTS and NTSR3/sortilin was also noted in all tested NET cell lines. In addition, small interfering RNA–mediated knockdown of NTSR3/sortilin decreased cell number without alteration of cell cycle progression and apoptosis induction in NET cell lines BON and QGP-1. Moreover, silencing of NTSR3/sortilin significantly suppressed cell adhesion and cell migration with inhibition of focal adhesion kinase and Src phosphorylation in the NET cells. Our results demonstrate increased expression of NTSR3/sortilin in NET patient tissues and a critical role of NTSR3/sortilin on NET cell adhesion and migration suggesting that NTSR3/sortilin contributes to NET tumorigenesis.
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Affiliation(s)
- Ji Tae Kim
- Markey Cancer Center, University of Kentucky, Lexington, KY
| | - Dana L Napier
- Markey Cancer Center, University of Kentucky, Lexington, KY
| | - Heidi L Weiss
- Markey Cancer Center, University of Kentucky, Lexington, KY; Department of Surgery, University of Kentucky, Lexington, KY
| | - Eun Y Lee
- Department of Pathology, University of Kentucky, Lexington, KY
| | | | - B Mark Evers
- Markey Cancer Center, University of Kentucky, Lexington, KY; Department of Surgery, University of Kentucky, Lexington, KY.
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Kitching MO, Dixon OE, Baumann M, Baxendale IR. Flow-Assisted Synthesis: A Key Fragment of SR 142948A. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700904] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
| | - Olivia E. Dixon
- Department of Chemistry; University of Durham; South Road DH1 3LE Durham UK
| | - Marcus Baumann
- Department of Chemistry; University of Durham; South Road DH1 3LE Durham UK
| | - Ian R. Baxendale
- Department of Chemistry; University of Durham; South Road DH1 3LE Durham UK
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Abstract
INTRODUCTION Prolactinomas are the most common functional pituitary adenomas. Current classification systems rely on phenotypic elements and have few molecular markers for complementary classification. Treatment protocols for prolactinomas are also devoid of molecular targets, leaving those refractory to standard treatments without many options. METHODS A systematic literature review was performed utilizing the PRISMA guidelines. We aimed to summarize prior research exploring gene and protein expression in prolactinomas in order to highlight molecular variations associated with tumor development, growth, and prolactin secretion. A PubMed search of select MeSH terms was performed to identify all studies reporting gene and protein expression findings in prolactinomas from 1990 to 2014. RESULTS 1392 abstracts were screened and 51 manuscripts were included in the analysis, yielding 54 upregulated and 95 downregulated genes measured by various direct and indirect analytical methods. Of the many genes identified, three upregulated (HMGA2, HST, SNAP25), and three downregulated (UGT2B7, Let7, miR-493) genes were selected for further analysis based on our subjective identification of strong potential targets. CONCLUSIONS Many significant genes have been identified and validated in prolactinomas and most have not been fully analyzed for therapeutic and diagnostic potential. These genes could become candidate molecular targets for biomarker development and precision drug targeting as well as catalyze deeper research efforts utilizing next generation profiling/sequencing techniques, particularly genome scale expression and epigenomic analyses.
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Affiliation(s)
- Justin Seltzer
- Department of Neurosurgery, Keck School of Medicine of USC, 1200 North State St., Los Angeles, CA, 90033, USA.
| | - Thomas C Scotton
- Semel Institute for Neuroscience and Human Behavior, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Keiko Kang
- Department of Neurosurgery, Keck School of Medicine of USC, 1200 North State St., Los Angeles, CA, 90033, USA
| | - Gabriel Zada
- Department of Neurosurgery, Keck School of Medicine of USC, 1200 North State St., Los Angeles, CA, 90033, USA
- USC Pituitary Center, Keck School of Medicine of USC, Los Angeles, CA, USA
- Zilka Neurogenetics Institute, Keck School of Medicine of USC, Los Angeles, CA, USA
| | - John D Carmichael
- Division of Endocrinology, Department of Medicine, Keck School of Medicine of USC, Los Angeles, CA, USA
- USC Pituitary Center, Keck School of Medicine of USC, Los Angeles, CA, USA
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Wilson CM, Naves T, Al Akhrass H, Vincent F, Melloni B, Bonnaud F, Lalloué F, Jauberteau MO. A new role under sortilin's belt in cancer. Commun Integr Biol 2016; 9:e1130192. [PMID: 27066187 PMCID: PMC4802778 DOI: 10.1080/19420889.2015.1130192] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Revised: 12/04/2015] [Accepted: 12/04/2015] [Indexed: 12/22/2022] Open
Abstract
The neurotensin receptor-3 also known as sortilin was the first member of the small family of vacuolar protein sorting 10 protein domain (Vps10p) discovered two decades ago in the human brain. The expression of sortilin is not confined to the nervous system but sortilin is ubiquitously expressed in many tissues. Sortilin has multiple roles in the cell as a receptor or a co-receptor, in protein transport of many interacting partners to the plasma membrane, to the endocytic pathway and to the lysosomes for protein degradation. Sortilin could be considered as the cells own shuttle system. In many human diseases including neurological diseases and cancer, sortilin expression has been shown to be deregulated. In addition, some studies have highlighted that the extracellular domain of sortilin is shedded into the culture media by an unknown mechanism. Sortilin can be released in exosomes and appears to control some mechanisms of exosome biogenesis. In lung cancer cells, sortilin can associate with two receptor tyrosine kinase receptors called the TES complex found in exosomes. Exosomes carrying the TES complex can convey a microenvironment control through the activation of ErbB signaling pathways and the release of angiogenic factors. Deregulation of sortilin function is now emerging to be implicated in four major human diseases- cardiovascular disease, Type 2 diabetes mellitus, Alzheimer disease and cancer.
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Affiliation(s)
- Cornelia M Wilson
- EA3842 Homéostasie cellulaire et pathologies and Chaire de Pneumologie Expérimentale, Faculté de Médecine, Université de Limoges, Limoges, France; University of Liverpool, Institute of Translational Medicine, Department of Molecular & Clinical Cancer Medicine, Liverpool, UK
| | - Thomas Naves
- EA3842 Homéostasie cellulaire et pathologies and Chaire de Pneumologie Expérimentale, Faculté de Médecine, Université de Limoges , Limoges, France
| | - Hussein Al Akhrass
- EA3842 Homéostasie cellulaire et pathologies and Chaire de Pneumologie Expérimentale, Faculté de Médecine, Université de Limoges , Limoges, France
| | - François Vincent
- EA3842 Homéostasie cellulaire et pathologies and Chaire de Pneumologie Expérimentale, Faculté de Médecine, Université de Limoges, Limoges, France; Service de Pathologie Respiratoire, Center Hospitalier et Universitaire de Limoges, Limoges, France
| | - Boris Melloni
- Service de Pathologie Respiratoire, Center Hospitalier et Universitaire de Limoges , Limoges, France
| | - François Bonnaud
- Service de Pathologie Respiratoire, Center Hospitalier et Universitaire de Limoges , Limoges, France
| | - Fabrice Lalloué
- EA3842 Homéostasie cellulaire et pathologies and Chaire de Pneumologie Expérimentale, Faculté de Médecine, Université de Limoges , Limoges, France
| | - Marie-Odile Jauberteau
- EA3842 Homéostasie cellulaire et pathologies and Chaire de Pneumologie Expérimentale, Faculté de Médecine, Université de Limoges , Limoges, France
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Seltzer J, Ashton CE, Scotton TC, Pangal D, Carmichael JD, Zada G. Gene and protein expression in pituitary corticotroph adenomas: a systematic review of the literature. Neurosurg Focus 2015; 38:E17. [PMID: 25639319 DOI: 10.3171/2014.10.focus14683] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECT Functional corticotroph pituitary adenomas (PAs) secrete adrenocorticotropic hormone (ACTH) and are the cause of Cushing's disease, which accounts for 70% of all cases of Cushing's syndrome. Current classification systems for PAs rely primarily on laboratory hormone findings, tumor size and morphology, invasiveness, and immunohistochemical findings. Likewise, drug development for functional ACTH-secreting PAs (ACTH-PAs) is limited and has focused largely on blocking the production or downstream effects of excess cortisol. The authors aimed to summarize the findings from previous studies that explored gene and protein expression of ACTH-PAs to prioritize potential genetic and protein targets for improved molecular diagnosis and treatment of Cushing's disease. METHODS A systematic literature review was performed using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. A PubMed search of select medical subject heading (MeSH) terms was performed to identify all studies that reported gene- and protein-expression findings in ACTH-PAs from January 1, 1990, to August 24, 2014, the day the search was performed. The inclusion criteria were studies on functional ACTH-PAs compared with normal pituitary glands, on human PA tissue only, with any method of analysis, and published in the English language. Studies using anything other than resected PA tissue, those that compared other adenoma types, those without baseline expression data, or those in which any pretreatment was delivered before analysis were excluded. RESULTS The primary search returned 1371 abstracts, of which 307 were found to be relevant. Of those, 178 were selected for secondary full-text analysis. Of these, 64 articles met the inclusion criteria and an additional 4 studies were identified from outside the search for a total of 68 included studies. Compared with the normal pituitary gland, significant gene overexpression in 43 genes and 22 proteins was reported, and gene underexpression in 58 genes and 15 proteins was reported. Immunohistochemistry was used in 39 of the studies, and reverse transcriptase polymerase chain reaction was used in 26 of the studies, primarily, and as validation for 4 others. Thirteen studies used both immunohistochemistry and reverse transcriptase polymerase chain reaction. Other methods used included microarray, in situ hybridization, Northern blot analysis, and Western blot analysis. Expression of prioritized genes emphasized in multiple studies were often validated on both the gene and protein levels. Genes/proteins found to be overexpressed in ACTH-PAs relative to the normal pituitary gland included hPTTG1/securin, NEUROD1/NeuroD1 (Beta2), HSD11B2/11β-hydroxysteroid dehydrogenase 2, AKT/Akt, protein kinase B, and CCND1/cyclin D1. Candidate genes/proteins found to be underexpressed in ACTH-PAs relative to the normal pituitary gland included CDKN1B/p27(Kip1), CDKN2A/p16, KISS1/kisspeptin, ACTHR/ACTH-R, and miR-493. CONCLUSIONS On the basis of the authors' systematic review, many significant gene and protein targets that may contribute to tumorigenesis, invasion, and hormone production/secretion of ACTH have been identified and validated in ACTH-PAs. Many of these potential targets have not been fully analyzed for their therapeutic and diagnostic potential but may represent candidate molecular targets for biomarker development and drug targeting. This review may help catalyze additional research efforts using modern profiling and sequencing techniques and alteration of gene expression.
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Wilson CM, Naves T, Vincent F, Melloni B, Bonnaud F, Lalloué F, Jauberteau MO. Sortilin mediates the release and transfer of exosomes in concert with two tyrosine kinase receptors. J Cell Sci 2014; 127:3983-97. [PMID: 25037567 DOI: 10.1242/jcs.149336] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The transfer of exosomes containing both genetic and protein materials is necessary for the control of the cancer cell microenvironment to promote tumor angiogenesis. The nature and function of proteins found in the exosomal cargo, and the mechanism of their action in membrane transport and related signaling events are not clearly understood. In this study, we demonstrate, in human lung cancer A549 cells, that the exosome release mechanism is closely linked to the multifaceted receptor sortilin (also called neurotensin receptor 3). Sortilin is already known to be important for cancer cell function. Here, we report for the first time its role in the assembly of a tyrosine kinase complex and subsequent exosome release. This new complex (termed the TES complex) is found in exosomes and results in the linkage of the two tyrosine kinase receptors TrkB (also known as NTRK2) and EGFR with sortilin. Using in vitro models, we demonstrate that this sortilin-containing complex exhibits a control on endothelial cells and angiogenesis activation through exosome transfer.
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Affiliation(s)
- Cornelia M Wilson
- EA3842 Homéostasie Cellulaire et Pathologies and Chaire de Pneumologie Expérimentale, Université de Limoges, Faculté de Médecine, 2 Rue du Dr Raymond Marcland, 87025 Limoges CEDEX-France
| | - Thomas Naves
- EA3842 Homéostasie Cellulaire et Pathologies and Chaire de Pneumologie Expérimentale, Université de Limoges, Faculté de Médecine, 2 Rue du Dr Raymond Marcland, 87025 Limoges CEDEX-France
| | - François Vincent
- EA3842 Homéostasie Cellulaire et Pathologies and Chaire de Pneumologie Expérimentale, Université de Limoges, Faculté de Médecine, 2 Rue du Dr Raymond Marcland, 87025 Limoges CEDEX-France Service de Pathologie Respiratoire, Centre Hospitalier et Universitaire de Limoges, 87000 Limoges CEDEX-France
| | - Boris Melloni
- Service de Pathologie Respiratoire, Centre Hospitalier et Universitaire de Limoges, 87000 Limoges CEDEX-France
| | - François Bonnaud
- Service de Pathologie Respiratoire, Centre Hospitalier et Universitaire de Limoges, 87000 Limoges CEDEX-France
| | - Fabrice Lalloué
- EA3842 Homéostasie Cellulaire et Pathologies and Chaire de Pneumologie Expérimentale, Université de Limoges, Faculté de Médecine, 2 Rue du Dr Raymond Marcland, 87025 Limoges CEDEX-France
| | - Marie-Odile Jauberteau
- EA3842 Homéostasie Cellulaire et Pathologies and Chaire de Pneumologie Expérimentale, Université de Limoges, Faculté de Médecine, 2 Rue du Dr Raymond Marcland, 87025 Limoges CEDEX-France
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Baxendale IR, Cheung S, Kitching MO, Ley SV, Shearman JW. The synthesis of neurotensin antagonist SR 48692 for prostate cancer research. Bioorg Med Chem 2013; 21:4378-87. [PMID: 23721919 DOI: 10.1016/j.bmc.2013.04.075] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2013] [Revised: 04/18/2013] [Accepted: 04/20/2013] [Indexed: 01/03/2023]
Abstract
An improved synthesis of the molecule SR 48692 is presented and its use as a neurotensin antagonist biological probe for use in cancer research is described. The preparation includes an number of enhanced chemical conversions and strategies to overcome some of the limiting synthetic transformations in the original chemical route.
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Affiliation(s)
- I R Baxendale
- Department of Chemistry, Durham University, South Road, Durham DH1 3LE, United Kingdom.
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Vasiljevic A, Champier J, Figarella-Branger D, Wierinckx A, Jouvet A, Fèvre-Montange M. Molecular characterization of central neurocytomas: Potential markers for tumor typing and progression. Neuropathology 2012; 33:149-61. [DOI: 10.1111/j.1440-1789.2012.01338.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Rodríguez Y, Almeida TA, Valladares F, Báez D, Montes de Oca F, García C, Dorta I, Hernández M, Reyes R, Bello AR. Neurotensin and Neurotensin Receptor 1 Expression in Human Myometrium and Uterine Leiomyomas1. Biol Reprod 2010; 83:641-7. [DOI: 10.1095/biolreprod.110.084962] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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Myers RM, Shearman JW, Kitching MO, Ramos-Montoya A, Neal DE, Ley SV. Cancer, chemistry, and the cell: molecules that interact with the neurotensin receptors. ACS Chem Biol 2009; 4:503-25. [PMID: 19462983 DOI: 10.1021/cb900038e] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The literature covering neurotensin (NT) and its signalling pathways, receptors, and biological profile is complicated by the fact that the discovery of three NT receptor subtypes has come to light only in recent years. Moreover, a lot of this literature explores NT in the context of the central nervous system and behavioral studies. However, there is now good evidence that the up-regulation of NT is intimately involved in cancer development and progression. This Review aims to summarize the isolation, cloning, localization, and binding properties of the accepted receptor subtypes (NTR1, NTR2, and NTR3) and the molecules known to bind at these receptors. The growing role these targets are playing in cancer research is also discussed. We hope this Review will provide a useful overview and a one-stop resource for new researchers engaged in this field at the chemistry-biology interface.
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Affiliation(s)
- Rebecca M. Myers
- Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - James W. Shearman
- Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Matthew O. Kitching
- Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Antonio Ramos-Montoya
- CRUK-Cambridge Research Institute, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, United Kingdom
| | - David E. Neal
- CRUK-Cambridge Research Institute, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, United Kingdom
| | - Steven V. Ley
- Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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