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Ding Y, Wang Z, Chen C, Li D, Wang W, Jia Y, Qin Y. miR-1304 targets KLK11 to regulate gastric cancer cell proliferation through the mTOR signaling pathway. Carcinogenesis 2024; 45:45-56. [PMID: 37971062 DOI: 10.1093/carcin/bgad077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 10/09/2023] [Accepted: 11/06/2023] [Indexed: 11/19/2023] Open
Abstract
OBJECTIVE Gastric cancer (GC) is prevalent worldwide but has a dismal prognosis, and its molecular and pathogenic pathways remain unknown. Kallikrein 11 (KLK11) has a reduced expression in GC and may be a promising biomarker. METHOD Herein, the function of KLK11 in GC and its regulatory mechanism was studied. Gene sequencing and quantitative reverse transcription-polymerase chain reaction were used to determine the expression of KLK11 in GC and precancerous lesions. Cell function tests and flow cytometry were conducted to determine the proliferative capacity and cell cycle of GC cells, respectively. A luciferase reporter test confirmed the interaction between RNA molecules. The mTOR/4E-BP1 signaling pathway was analyzed using western blotting. RESULT KLK11 has a suppressed expression in GC samples. KLK11 decreased the proliferative capacity of GC cells, by inhibiting the degree of mTOR/4E-BP1 phosphorylation. In contrast, miR-1304 increased GC cell proliferation by inhibiting KLK11. Moreover, KLK11 was able to limit in vivo GC cell proliferation. CONCLUSION These findings reveal a promising strategy to prevent and treat GC by targeting the KLK11-mediated mTOR/4E-BP1 cascade.
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Affiliation(s)
- Yi Ding
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Zehua Wang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Chen Chen
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Dongyu Li
- School of Pharmacy, Macau University of Science and Technology, Avenida Wai, Long, Taipa, Macao 999078, China
| | - Wenjia Wang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Yongxu Jia
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Yanru Qin
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
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Valente-Santos J, Vitorino R, Sousa-Mendes C, Oliveira P, Colaço B, Faustino-Rocha AI, Neuparth MJ, Leite-Moreira A, Duarte JA, Ferreira R, Amado F. Long-Term Exposure to Supraphysiological Levels of Testosterone Impacts Rat Submandibular Gland Proteome. Int J Mol Sci 2023; 25:550. [PMID: 38203721 PMCID: PMC10778877 DOI: 10.3390/ijms25010550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/24/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
The salivary glands play a central role in the secretion of saliva, whose composition and volume affect oral and overall health. A lesser-explored dimension encompasses the possible changes in salivary gland proteomes in response to fluctuations in sex hormone levels. This study aimed to examine the effects of chronic exposure to testosterone on salivary gland remodeling, particularly focusing on proteomic adaptations. Therefore, male Wistar rats were implanted with subcutaneous testosterone-releasing devices at 14 weeks of age. Their submandibular glands were histologically and molecularly analyzed 47 weeks later. The results underscored a significant increase in gland mass after testosterone exposure, further supported by histologic evidence of granular duct enlargement. Despite increased circulating sex hormones, there was no detectable shift in the tissue levels of estrogen alpha and androgen receptors. GeLC-MS/MS and subsequent bioinformatics identified 308 proteins in the submandibular glands, 12 of which were modulated by testosterone. Of note was the pronounced upregulation of Klk3 and the downregulation of Klk6 and Klk7 after testosterone exposure. Protein-protein interaction analysis with the androgen receptor suggests that Klk3 is a potential target of androgenic signaling, paralleling previous findings in the prostate. This exploratory analysis sheds light on the response of salivary glands to testosterone exposure, providing proteome-level insights into the associated weight and histological changes.
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Affiliation(s)
- João Valente-Santos
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (J.V.-S.); (R.F.)
| | - Rui Vitorino
- Department of Medical Sciences, Institute of Biomedicine-iBiMED, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Cláudia Sousa-Mendes
- UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal; (C.S.-M.); (A.L.-M.)
| | - Paula Oliveira
- Centre for Research and Technology of Agro Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal; (P.O.); (A.I.F.-R.)
| | - Bruno Colaço
- Veterinary and Animal Research Centre (CECAV), Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Department of Animal Science, University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal;
| | - Ana I. Faustino-Rocha
- Centre for Research and Technology of Agro Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal; (P.O.); (A.I.F.-R.)
- Comprehensive Health Research Center, Department of Zootechnics, School of Sciences and Technology, University of Évora, 7006-554 Évora, Portugal
| | - Maria João Neuparth
- Laboratory for Integrative and Translational Research in Population Health (ITR), Research Center in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sports, University of Porto, 4200-450 Porto, Portugal; (M.J.N.); (J.A.D.)
- TOXRUN—Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, 4585-116 Gandra, Portugal
| | - Adelino Leite-Moreira
- UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal; (C.S.-M.); (A.L.-M.)
| | - José Alberto Duarte
- Laboratory for Integrative and Translational Research in Population Health (ITR), Research Center in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sports, University of Porto, 4200-450 Porto, Portugal; (M.J.N.); (J.A.D.)
- TOXRUN—Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, 4585-116 Gandra, Portugal
| | - Rita Ferreira
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (J.V.-S.); (R.F.)
| | - Francisco Amado
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (J.V.-S.); (R.F.)
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Sananes A, Cohen I, Allon I, Ben‐David O, Abu Shareb R, Yegodayev KM, Stepensky D, Elkabets M, Papo N. Serine protease inhibitors decrease metastasis in prostate, breast, and ovarian cancers. Mol Oncol 2023; 17:2337-2355. [PMID: 37609678 PMCID: PMC10620120 DOI: 10.1002/1878-0261.13513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 07/18/2023] [Accepted: 08/21/2023] [Indexed: 08/24/2023] Open
Abstract
Targeted therapies for prostate, breast, and ovarian cancers are based on their activity against primary tumors rather than their anti-metastatic activity. Consequently, there is an urgent need for new agents targeting the metastatic process. Emerging evidence correlates in vitro and in vivo cancer invasion and metastasis with increased activity of the proteases mesotrypsin (prostate and breast cancer) and kallikrein 6 (KLK6; ovarian cancer). Thus, mesotrypsin and KLK6 are attractive putative targets for therapeutic intervention. As potential therapeutics for advanced metastatic prostate, breast, and ovarian cancers, we report novel mesotrypsin- and KLK6-based therapies, based on our previously developed mutants of the human amyloid β-protein precursor Kunitz protease inhibitor domain (APPI). These mutants, designated APPI-3M (prostate and breast cancer) and APPI-4M (ovarian cancer), demonstrated significant accumulation in tumors and therapeutic efficacy in orthotopic preclinical models, with the advantages of long retention times in vivo, high affinity and favorable pharmacokinetic properties. The applicability of the APPIs, as a novel therapy and for imaging purposes, is supported by their good safety profile and their controlled and scalable manufacturability in bioreactors.
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Affiliation(s)
- Amiram Sananes
- Avram and Stella Goldstein‐Goren Department of Biotechnology Engineering and the National Institute of Biotechnology in the NegevBen‐Gurion University of the NegevBeer‐ShevaIsrael
| | - Itay Cohen
- Avram and Stella Goldstein‐Goren Department of Biotechnology Engineering and the National Institute of Biotechnology in the NegevBen‐Gurion University of the NegevBeer‐ShevaIsrael
| | - Irit Allon
- Institute of Pathology, Barzilai University Medical Center, Ashkelon, Israel ad Faculty of Health SciencesBen‐Gurion University of the NegevBeer‐ShevaIsrael
| | - Oshrit Ben‐David
- Avram and Stella Goldstein‐Goren Department of Biotechnology Engineering and the National Institute of Biotechnology in the NegevBen‐Gurion University of the NegevBeer‐ShevaIsrael
| | - Raghda Abu Shareb
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health SciencesBen‐Gurion University of the NegevBeer‐ShevaIsrael
| | - Ksenia M. Yegodayev
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health SciencesBen‐Gurion University of the NegevBeer‐ShevaIsrael
| | - David Stepensky
- Department of Clinical Biochemistry and Pharmacology, Faculty of Health SciencesBen‐Gurion University of the NegevBeer‐ShevaIsrael
| | - Moshe Elkabets
- The Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health SciencesBen‐Gurion University of the NegevBeer‐ShevaIsrael
| | - Niv Papo
- Avram and Stella Goldstein‐Goren Department of Biotechnology Engineering and the National Institute of Biotechnology in the NegevBen‐Gurion University of the NegevBeer‐ShevaIsrael
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Li A, Li Y, Li Y, Zhang M, Zhang H, Chen F. Identification and validation of key genes associated with pathogenesis and prognosis of gastric cancer. PeerJ 2023; 11:e16243. [PMID: 37868053 PMCID: PMC10586292 DOI: 10.7717/peerj.16243] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 09/14/2023] [Indexed: 10/24/2023] Open
Abstract
Background Gastric cancer (GC) is the fourth leading cause of cancer-related death worldwide. However, the precise mechanisms and specific biomarkers of GC have not been fully elucidated. We therefore sought to identify and validate the genes associated with GC. Methods RNA sequencing was performed on gastric tissue specimens from 10 cases each of non-atrophic gastritis (NAG), intestinal metaplasia (IM), and GC. Validation of gene expression was conducted through immunohistochemistry (IHC) staining. The Kaplan-Meier Plotter database was utilized to screen genes associated with prognosis, while protein-protein interaction analysis was conducted to identify hub genes. Results In GC-IM, the differentially expressed genes (DEGs) were predominantly enriched in pathways related to ECM-receptor interaction, focal adhesion, PI3K-Akt pathway, and pathways in cancer. Conversely, in IM-NAG, the DEGs were primarily enriched in pathways associated with fat digestion and absorption, pancreatic secretion, and retinol metabolism. IHC staining revealed elevated expression levels of KLK7 and KLK10 in GC. Specifically, KLK7 expression was found to be correlated with differentiation (P = 0.025) and depth of invasion (P = 0.007) in GC, while both KLK7 and KLK10 were associated with the overall survival (P < 0.05). Furthermore, a total of ten hub genes from DEGs in GC-NAG (COL6A2, COL1A1, COL4A1, COL1A2, SPARC, COL4A2, FN1, PCOLCE, SERPINH1, LAMB1) and five hub genes in IM-NAG (SI, DPP4, CLCA1, MEP1A, OLFM4) were demonstrated to have a significant correlation with the prognosis of GC. Conclusions The present study successfully identified and validated crucial genes associated with GC, providing valuable insights into the underlying mechanisms of this disease. The findings of this study have the potential to inform clinical practice.
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Affiliation(s)
- Ai Li
- Department of Gastroenterology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Yan Li
- Department of Gastroenterology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Yueyue Li
- Department of Gastroenterology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Mingming Zhang
- Department of Gastroenterology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Hong Zhang
- Department of Gastroenterology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Feixue Chen
- Department of Gastroenterology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
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Ho HY, Lin CC, Lo YS, Chuang YC, Abomughaid MM, Hsieh MJ. Picrasidine J, a Dimeric β-Carboline-Type Alkaloid from Picrasma quassioides, Inhibits Metastasis of Head and Neck Squamous Cell Carcinoma. Int J Mol Sci 2023; 24:13230. [PMID: 37686036 PMCID: PMC10487624 DOI: 10.3390/ijms241713230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/18/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) are associated with recurrence, distant metastasis, and poor overall survival. This highlights the need for identifying potential therapeutics with minimal side-effects. The present study was designed to investigate the anticancer effects of picrasidine J, a dimeric β-carboline-type alkaloid isolated from the southern Asian plant Picrasma quassioides. The results showed that picrasidine J significantly inhibits HNSCC cell motility, migration, and invasion. Specifically, picrasidine J inhibited the EMT process by upregulating E-cadherin and ZO-1 and downregulating beta-catenin and Snail. Moreover, picrasidine J reduced the expression of the serine protease KLK-10. At the signaling level, the compound reduced the phosphorylation of ERK. All these factors collectively facilitated the inhibition of HNSCC metastasis with picrasidine J. Taken together, the study identifies picrasidine J as a potential anticancer compound of plant origin that might be used clinically to prevent the distant metastasis and progression of HNSCC.
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Affiliation(s)
- Hsin-Yu Ho
- Oral Cancer Research Center, Changhua Christian Hospital, Changhua 500, Taiwan; (H.-Y.H.); (C.-C.L.); (Y.-S.L.); (Y.-C.C.)
| | - Chia-Chieh Lin
- Oral Cancer Research Center, Changhua Christian Hospital, Changhua 500, Taiwan; (H.-Y.H.); (C.-C.L.); (Y.-S.L.); (Y.-C.C.)
| | - Yu-Sheng Lo
- Oral Cancer Research Center, Changhua Christian Hospital, Changhua 500, Taiwan; (H.-Y.H.); (C.-C.L.); (Y.-S.L.); (Y.-C.C.)
| | - Yi-Ching Chuang
- Oral Cancer Research Center, Changhua Christian Hospital, Changhua 500, Taiwan; (H.-Y.H.); (C.-C.L.); (Y.-S.L.); (Y.-C.C.)
| | - Mosleh Mohammad Abomughaid
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, University of Bisha, Bisha 61922, Saudi Arabia;
| | - Ming-Ju Hsieh
- Oral Cancer Research Center, Changhua Christian Hospital, Changhua 500, Taiwan; (H.-Y.H.); (C.-C.L.); (Y.-S.L.); (Y.-C.C.)
- Doctoral Program in Tissue Engineering and Regenerative Medicine, College of Medicine, National Chung Hsing University, Taichung 402, Taiwan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 404, Taiwan
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Wu Y, Du B, Lin M, Ji X, Lv C, Lai J. The identification of genes associated T-cell exhaustion and construction of prognostic signature to predict immunotherapy response in lung adenocarcinoma. Sci Rep 2023; 13:13415. [PMID: 37592010 PMCID: PMC10435542 DOI: 10.1038/s41598-023-40662-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 08/16/2023] [Indexed: 08/19/2023] Open
Abstract
T-cell exhaustion (Tex) is considered to be a reason for immunotherapy resistance and poor prognosis in lung adenocarcinoma. Therefore, we used weighted correlation network analysis to identify Tex-related genes in the cancer genome atlas (TCGA). Unsupervised clustering approach based on Tex-related genes divided patients into cluster 1 and cluster 2. Then, we utilized random forest and the least absolute shrinkage and selection operator to identify nine key genes to construct a riskscore. Patients were classified as low or high-risk groups. The multivariate cox analysis showed the riskscore was an independent prognostic factor in TCGA and GSE72094 cohorts. Moreover, patients in cluster 2 with high riskscore had the worst prognosis. The immune response prediction analysis showed the low-risk group had higher immune, stromal, estimate scores, higher immunophenscore (IPS), and lower tumor immune dysfunction and exclusion score which suggested a better response to immune checkpoint inhibitors (ICIs) therapy in the low-risk group. In the meantime, we included two independent immunotherapy cohorts that also confirmed a better response to ICIs treatment in the low-risk group. Besides, we discovered differences in chemotherapy and targeted drug sensitivity between two groups. Finally, a nomogram was built to facilitate clinical decision making.
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Affiliation(s)
- Yahua Wu
- Department of Medical Oncology, Fujian Medical University Union Hospital, No. 29 Xinquan Street, Fuzhou, 350000, Fujian, China
| | - Bin Du
- Department of Medical Oncology, Fujian Medical University Union Hospital, No. 29 Xinquan Street, Fuzhou, 350000, Fujian, China
| | - Mingqiang Lin
- Department of Radiation Oncology, Fujian Medical University Cancer Hospital, Jin'an District, Fuzhou, 350000, Fujian, China
| | - Xiaohui Ji
- Department of Medical Oncology, Chongqing University Cancer Hospital, Chongqing, 400030, China
| | - Chengliu Lv
- Department of Medical Oncology, Fujian Medical University Union Hospital, No. 29 Xinquan Street, Fuzhou, 350000, Fujian, China
| | - Jinhuo Lai
- Department of Medical Oncology, Fujian Medical University Union Hospital, No. 29 Xinquan Street, Fuzhou, 350000, Fujian, China.
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Sumiya R, Yamada K, Hagiwara T, Nagasaka S, Miyazaki H, Igari T, Kawamura YI. Kallikrein-related peptidase 13 expression and clinicopathological features in lung squamous cell carcinoma. Mol Clin Oncol 2023; 19:64. [PMID: 37559880 PMCID: PMC10407464 DOI: 10.3892/mco.2023.2660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 05/15/2023] [Indexed: 08/11/2023] Open
Abstract
Lung squamous cell carcinoma (LSCC) is associated with poor prognosis. Molecular targeting drugs have been demonstrated to be effective for lung adenocarcinoma; however, they are often not effective for LSCC. Kallikrein-related peptidase 13 (KLK13) expression enhances the malignancy of lung adenocarcinoma; however, its expression and crucial role in LSCC remain largely unknown. The present study examined the relationship between the KLK13 expression and clinicopathological features of LSCC. A total of 94 patients diagnosed with LSCC who underwent lobectomy, segmentectomy or wedge resection were selected. KLK13 expression was evaluated through immunostaining of formalin-fixed paraffin-embedded sections of surgical specimens. Of the 94 LSCC samples, 70 exhibited no KLK13 expression, while the remaining 24 exhibited ectopic expression. KLK13 expression in tumors was focal and restricted to the cytoplasm of keratinized cells. LSCC cases were classified into KLK13-negative and KLK13-positive groups, and KLK13 expression was positively associated with E-cadherin expression (P=0.0143). Associations between KLK13 expression and keratinization (P=0.0052) or absence of lymphatic vessel invasion (P=0.0603) were observed; however, these trends did not reach statistical significance. The present findings indicated that KLK13 expression in keratinized LSCC may have a protective role in lymphatic vessel invasion of LSCC, which suggests its significance for therapeutic applications against LSCC.
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Affiliation(s)
- Ryusuke Sumiya
- Communal Laboratory, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
- Department of Thoracic Surgery, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Kazuhiko Yamada
- Department of Surgery, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Teruki Hagiwara
- Communal Laboratory, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Satoshi Nagasaka
- Department of Thoracic Surgery, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Hideki Miyazaki
- Pathology Division of Clinical Laboratory, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Toru Igari
- Pathology Division of Clinical Laboratory, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
| | - Yuki I. Kawamura
- Communal Laboratory, Research Institute, National Center for Global Health and Medicine, Tokyo 162-8655, Japan
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Salardani M, Barcick U, Zelanis A. Proteolytic signaling in cancer. Expert Rev Proteomics 2023; 20:345-355. [PMID: 37873978 DOI: 10.1080/14789450.2023.2275671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 10/17/2023] [Indexed: 10/25/2023]
Abstract
INTRODUCTION Cancer is a disease of (altered) biological pathways, often driven by somatic mutations and with several implications. Therefore, the identification of potential markers of disease is challenging. Given the large amount of biological data generated with omics approaches, oncology has experienced significant contributions. Proteomics mapping of protein fragments, derived from proteolytic processing events during oncogenesis, may shed light on (i) the role of active proteases and (ii) the functional implications of processed substrates in biological signaling circuits. Both outcomes have the potential for predicting diagnosis/prognosis in diseases like cancer. Therefore, understanding proteolytic processing events and their downstream implications may contribute to advances in the understanding of tumor biology and targeted therapies in precision medicine. AREAS COVERED Proteolytic events associated with some hallmarks of cancer (cell migration and proliferation, angiogenesis, metastasis, as well as extracellular matrix degradation) will be discussed. Moreover, biomarker discovery and the use of proteomics approaches to uncover proteolytic signaling events will also be covered. EXPERT OPINION Proteolytic processing is an irreversible protein post-translational modification and the deconvolution of biological data resulting from the study of proteolytic signaling events may be used in both patient diagnosis/prognosis and targeted therapies in cancer.
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Affiliation(s)
- Murilo Salardani
- Functional Proteomics Laboratory, Institute of Science and Technology, Federal University of São Paulo, São José dos Campos, SP, Brazil
| | - Uilla Barcick
- Functional Proteomics Laboratory, Institute of Science and Technology, Federal University of São Paulo, São José dos Campos, SP, Brazil
| | - André Zelanis
- Functional Proteomics Laboratory, Institute of Science and Technology, Federal University of São Paulo, São José dos Campos, SP, Brazil
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Li M, Li L. Enzyme-Triggered DNA Sensor Technology for Spatially-Controlled, Cell-Selective Molecular Imaging. Acc Chem Res 2023. [PMID: 37262339 DOI: 10.1021/acs.accounts.3c00085] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
ConspectusWith unparalleled programmability, DNA has evolved as a powerful scaffold for engineering intricate and dynamic systems that can perform diverse tasks. By allowing serial detection of molecular targets in complex cellular milieus, increasingly sophisticated DNA sensors have not only promoted significant advances in unveiling the fundamental mechanisms of various pathophysiological processes but also provided a useful toolkit for disease diagnostics based on molecular signatures. Despite much progress, an inherent limitation of DNA-based sensors is that they often lack spatial control and cell-type selectivity for the sensing activity because of their "always active" design mechanism. Since most molecular targets of interests are not exclusive to disease cells, they are also shared by normal cells, the application of such biosensors for disease-specific imaging is limited by inadequate signal-to-background ratios due to indistinguishable signal response in both disease and normal cells. Therefore, imparting biosensors with spatial controllability remains a key issue to achieve molecular imaging with high sensitivity and cell specificity.As a biocatalyst, enzyme has been found to be closely related with the pathological conditions of numerous diseases. For example, many nucleases, protease, and kinases have been identified overexpressed in disease cells and considered as important biomarkers of cancer, inflammation, and neurological diseases. Recently, we have envisioned that such pathophysiology-associated enzymes could be leveraged as endogenous triggers to achieve spatial control over the molecular imaging activity of the DNA-based sensors with improved cell-specificity. In this Account, we outline the research efforts from our group on the development of endogenous enzyme-triggered, DNA-based sensor technology that enables spatially controlled, cell-type selective molecular imaging. With programmable DNA design and further engineering of enzymatically cleavable sites, a series of DNAzyme- and aptamer-based sensors have been developed for enzyme-controlled imaging of various molecular targets (e.g., metal ions and small molecules) in a cancer cell-selective manner. In particular, by introduction of PNA as bridge molecules to engineer DNA-based sensors with functional peptides, the conceptual design of protease-activated DNA biosensors has been established for spatioselective molecular imaging in cancer cells and extracellular tumor microenvironments. Furthermore, enzyme-triggered signal amplification approaches, such as enzymatically activated molecular beacon and catalytic hairpin assembly, have been developed for spatially selective RNA imaging in specific disease cells (e.g., inflammatory cells and cancer cells), which enables enhanced disease-site specificity and thus improved signal-to-background ratio. The signal amplification strategy is further expanded to cell-selective amplified imaging of non-RNA species through the combination with functional DNA design. Finally, the challenges and potential future directions in this burgeoning field are discussed. We hope this Account offers insights into rational design of enzymatically controlled, DNA-based sensor platforms for opening new frontiers in spatially resolved, cell-selective molecular imaging. We believe that the continuing advances in DNA-based molecular sensing technology together with the discoveries of diverse disease-associated enzymes will promise to usher a new era of diagnosis.
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Affiliation(s)
- Mengyuan Li
- School of Chemistry and Biological Engineering, Beijing Key Laboratory for Bioengineering and Sensing Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Lele Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Beijing 100190, China
- College of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
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Mukherjee AG, Gopalakrishnan AV. Unlocking the mystery associated with infertility and prostate cancer: an update. Med Oncol 2023; 40:160. [PMID: 37099242 DOI: 10.1007/s12032-023-02028-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 04/08/2023] [Indexed: 04/27/2023]
Abstract
Male-specific reproductive disorders and cancers have increased intensely in recent years, making them a significant public health problem. Prostate cancer (PC) is the most often diagnosed cancer in men and is one of the leading causes of cancer-related mortality. Both genetic and epigenetic modifications contribute to the development and progression of PC, even though the exact underlying processes causing this disease have yet to be identified. Male infertility is also a complex and poorly understood phenomenon believed to afflict a significant portion of the male population. Chromosomal abnormalities, compromised DNA repair systems, and Y chromosome alterations are just a few of the proposed explanations. It is becoming widely accepted that infertility shares a link with PC. Much of the link between infertility and PC is probably attributable to common genetic defects. This article provides an overview of PC and spermatogenic abnormalities. This study also investigates the link between male infertility and PC and uncovers the underlying reasons, risk factors, and biological mechanisms contributing to this association.
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Affiliation(s)
- Anirban Goutam Mukherjee
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632014, India
| | - Abilash Valsala Gopalakrishnan
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632014, India.
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11
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Sahoo B, Pinnix Z, Sims S, Zelikovsky A. Identifying Biomarkers Using Support Vector Machine to Understand the Racial Disparity in Triple-Negative Breast Cancer. J Comput Biol 2023; 30:502-517. [PMID: 36716280 PMCID: PMC10325814 DOI: 10.1089/cmb.2022.0422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
With the properties of aggressive cancer and heterogeneous tumor biology, triple-negative breast cancer (TNBC) is a type of breast cancer known for its poor clinical outcome. The lack of estrogen, progesterone, and human epidermal growth factor receptor in the tumors of TNBC leads to fewer treatment options in clinics. The incidence of TNBC is higher in African American (AA) women compared with European American (EA) women with worse clinical outcomes. The significant factors responsible for the racial disparity in TNBC are socioeconomic lifestyle and tumor biology. The current study considered the open-source gene expression data of triple-negative breast cancer samples' racial information. We implemented a state-of-the-art classification Support Vector Machine (SVM) method with a recurrent feature elimination approach to the gene expression data to identify significant biomarkers deregulated in AA women and EA women. We also included Spearman's rho and Ward's linkage method in our feature selection workflow. Our proposed method generates 24 features/genes that can classify the AA and EA samples 98% accurately. We also performed the Kaplan-Meier analysis and log-rank test on the 24 features/genes. We only discussed the correlation between deregulated expression and cancer progression with a poor survival rate of 2 genes, KLK10 and LRRC37A2, out of 24 genes. We believe that further improvement of our method with a higher number of RNA-seq gene expression data will more accurately provide insight into racial disparity in TNBC.
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Affiliation(s)
- Bikram Sahoo
- Department of Computer Science, Georgia State University, Atlanta, Georgia, USA
| | - Zandra Pinnix
- Department of Biology and Marine Biology, University of North Carolina at Wilmington, Wilmington, North Carolina, USA
| | - Seth Sims
- Department of Computer Science, Georgia State University, Atlanta, Georgia, USA
| | - Alex Zelikovsky
- Department of Computer Science, Georgia State University, Atlanta, Georgia, USA
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12
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Gao J, Li A, Fujii S, Huang F, Nakatomi C, Nakamura I, Honda H, Kiyoshima T, Jimi E. p130Cas is required for androgen-dependent postnatal development regulation of submandibular glands. Sci Rep 2023; 13:5144. [PMID: 36991029 PMCID: PMC10060253 DOI: 10.1038/s41598-023-32390-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Salivary glands develop through epithelial-mesenchymal interactions and are formed through repeated branching. The Crk-associated substrate protein (p130Cas) serves as an adapter that forms a complex with various proteins via integrin and growth factor signaling, with important regulatory roles in several essential cellular processes. We found that p130Cas is expressed in ductal epithelial cells of the submandibular gland (SMG). We generated epithelial tissue-specific p130Cas-deficient (p130CasΔepi-) mice and aimed to investigate the physiological role of p130Cas in the postnatal development of salivary glands. Histological analysis showed immature development of granular convoluted tubules (GCT) of the SMG in male p130CasΔepi- mice. Immunofluorescence staining showed that nuclear-localized androgen receptors (AR) were specifically decreased in GCT cells in p130CasΔepi- mice. Furthermore, epidermal growth factor-positive secretory granules contained in GCT cells were significantly reduced in p130CasΔepi- mice with downregulated AR signaling. GCTs lacking p130Cas showed reduced numbers and size of secretory granules, disrupted subcellular localization of the cis-Golgi matrix protein GM130, and sparse endoplasmic reticulum membranes in GCT cells. These results suggest that p130Cas plays a crucial role in androgen-dependent GCT development accompanied with ER-Golgi network formation in SMG by regulating the AR signaling.
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Affiliation(s)
- Jing Gao
- Laboratory of Molecular and Cellular Biochemistry, Division of Oral Biological Sciences, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Aonan Li
- Laboratory of Molecular and Cellular Biochemistry, Division of Oral Biological Sciences, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Shinsuke Fujii
- Laboratory of Oral Pathology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
- Dento-Craniofacial Development and Regeneration Research Center Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Fei Huang
- Laboratory of Molecular and Cellular Biochemistry, Division of Oral Biological Sciences, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Chihiro Nakatomi
- Division of Physiology, Kyushu Dental University, 2-6-1 Manazuru, Kokurakita-ku, Kitakyushu, 803-8580, Japan
| | - Ichiro Nakamura
- Department of Rehabilitation, Yugawara Hospital, Japan Community Health Care Organization, 2-21-6 Chuo, Yugawara, Ashigara-shimo, Kanagawa, 259-0396, Japan
| | - Hiroaki Honda
- Field of Human Disease Models, Major in Advanced Life Sciences and Medicine, Institute of Laboratory Animals, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Tamotsu Kiyoshima
- Laboratory of Oral Pathology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Eijiro Jimi
- Laboratory of Molecular and Cellular Biochemistry, Division of Oral Biological Sciences, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.
- Oral Health/Brain Health/Total Health Research Center, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan.
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13
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Khatab Z, Prassas I, Stengelin M, Diamandis EP. Prostate-Specific Antigen and Female Breast Cancer-Revisited. J Appl Lab Med 2023; 8:649-653. [PMID: 36760007 DOI: 10.1093/jalm/jfad002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 12/27/2022] [Indexed: 02/11/2023]
Affiliation(s)
- Ziyad Khatab
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, ON, Canada
| | - Ioannis Prassas
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, ON, Canada
| | | | - Eleftherios P Diamandis
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, ON, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.,Department of Clinical Biochemistry, University Health Network, Toronto, ON, Canada
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14
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Sharma T, Nisar S, Masoodi T, Macha MA, Uddin S, Akil AAS, Pandita TK, Singh M, Bhat AA. Current and emerging biomarkers in ovarian cancer diagnosis; CA125 and beyond. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2023; 133:85-114. [PMID: 36707207 DOI: 10.1016/bs.apcsb.2022.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Ovarian cancer (OC) is one of the most common causes of cancer-related death in women worldwide. Its five-year survival rates are worse than the two most common gynecological cancers, cervical and endometrial. This is because it is asymptomatic in the early stages and usually detected in the advanced metastasized stage. Thus, survival is increasingly dependent on timely diagnosis. The delay in detection is contributed partly by the occurrence of non-specific clinical symptoms in the early stages and the lack of effective biomarkers and detection approaches. This underlines the need for biomarker identification and clinical validation, enabling earlier diagnosis, effective prognosis, and response to therapy. Apart from the traditional diagnostic biomarkers for OC, several new biomarkers have been delineated using advanced high-throughput molecular approaches in recent years. They are currently being clinically evaluated for their true diagnostic potential. In this chapter, we document the commonly utilized traditional screening markers and recently identified emerging biomarkers in OC diagnosis, focusing on secretory and protein biomarkers. We also briefly reviewed the recent advances and prospects in OC diagnosis.
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Affiliation(s)
- Tarang Sharma
- Department of Medical Oncology, Dr. B.R Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Sabah Nisar
- Department of Human Genetics-Precision Medicine in Diabetes, Obesity and Cancer Program, Sidra Medicine, Doha, Qatar
| | - Tariq Masoodi
- Laboratory of Cancer immunology and genetics, Sidra Medicine, Doha, Qatar
| | - Muzafar A Macha
- Watson-Crick Centre for Molecular Medicine, Islamic University of Science and Technology, Jammu and Kashmir, India
| | - Shahab Uddin
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Laboratory Animal Research Center, Qatar University, Doha, Qatar
| | - Ammira Al-Shabeeb Akil
- Department of Human Genetics-Precision Medicine in Diabetes, Obesity and Cancer Program, Sidra Medicine, Doha, Qatar
| | - Tej K Pandita
- Center for Genomics and Precision Medicine, Texas A&M College of Medicine, Houston, TX, United States
| | - Mayank Singh
- Department of Medical Oncology, Dr. B.R Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India.
| | - Ajaz A Bhat
- Department of Human Genetics-Precision Medicine in Diabetes, Obesity and Cancer Program, Sidra Medicine, Doha, Qatar.
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Higazi AM, Kamel HM, Nasr MH, Keryakos HK, AbdEl-Hamid NM, Soliman SA. Potential role of circulating miRNA-146a and serum kallikrein 1 as biomarkers of renal disease in biopsy-proven lupus nephritis patients. THE EGYPTIAN RHEUMATOLOGIST 2023. [DOI: 10.1016/j.ejr.2022.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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Gil J, Marques-Pamies M, Valassi E, Serra G, Salinas I, Xifra G, Casano-Sancho P, Carrato C, Biagetti B, Sesmilo G, Marcos-Ruiz J, Rodriguez-Lloveras H, Rueda-Pujol A, Aulinas A, Blanco A, Hostalot C, Simó-Servat A, Muñoz F, Rico M, Ibáñez-Domínguez J, Cordero E, Webb SM, Jordà M, Puig-Domingo M. Molecular characterization of epithelial-mesenchymal transition and medical treatment related-genes in non-functioning pituitary neuroendocrine tumors. Front Endocrinol (Lausanne) 2023; 14:1129213. [PMID: 37033229 PMCID: PMC10074986 DOI: 10.3389/fendo.2023.1129213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 02/23/2023] [Indexed: 04/11/2023] Open
Abstract
INTRODUCTION Different medical therapies have been developed for pituitary adenomas. However, Non-Functioning Pituitary Neuroendocrine Tumors (NF-PitNET) have shown little response to them. Furthermore, epithelial-mesenchymal transition (EMT) has been linked to resistance to medical treatment in a significant number of tumors, including pituitary adenomas. METHODS We aimed to evaluate the expression of EMT-related markers in 72 NF-PitNET and 16 non-tumoral pituitaries. To further explore the potential usefulness of medical treatment for NF-PitNET we assessed the expression of somatostatin receptors and dopamine-associated genes. RESULTS We found that SNAI1, SNAI2, Vimentin, KLK10, PEBP1, Ki-67 and SSTR2 were associated with invasive NF-PitNET. Furthermore, we found that the EMT phenomenon was more common in NF-PitNET than in GH-secreting pituitary tumors. Interestingly, PEBP1 was overexpressed in recurrent NF-PitNET, and could predict growth recurrence with 100% sensitivity but only 43% specificity. In parallel with previously reported studies, SSTR3 is highly expressed in our NF-PitNET cohort. However, SSTR3 expression is highly heterogeneous among the different histological variants of NF-PitNET with very low levels in silent corticotroph adenomas. CONCLUSION NF-PitNET showed an enhanced EMT phenomenon. SSTR3 targeting could be a good therapeutic candidate in NF-PitNET except for silent corticotroph adenomas, which express very low levels of this receptor. In addition, PEBP1 could be an informative biomarker of tumor regrowth, useful for predictive medicine in NF-PitNET.
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Affiliation(s)
- Joan Gil
- Endocrine Research Unit, Germans Trias i Pujol Research Institute (IGTP), Badalona, Spain
- Department of Endocrinology, Research Center for Pituitary Diseases, Hospital Sant Pau, IIB-SPau, Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación en Red de Enfermedades Raras, CIBERER, Unit 747, Instituto de Salud Carlos III, Madrid, Spain
| | - Montserrat Marques-Pamies
- Endocrine Research Unit, Germans Trias i Pujol Research Institute (IGTP), Badalona, Spain
- Department of Endocrinology, Hospital Municipal de Badalona, Badalona, Catalonia, Spain
| | - Elena Valassi
- Endocrine Research Unit, Germans Trias i Pujol Research Institute (IGTP), Badalona, Spain
- Department of Endocrinology, Research Center for Pituitary Diseases, Hospital Sant Pau, IIB-SPau, Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación en Red de Enfermedades Raras, CIBERER, Unit 747, Instituto de Salud Carlos III, Madrid, Spain
| | - Guillermo Serra
- Department of Endocrinology, Son Espases University Hospital, Palma de Mallorca, Spain
| | - Isabel Salinas
- Department of Endocrinology and Nutrition, Germans Trias i Pujol University Hospital, Badalona, Spain
| | - Gemma Xifra
- Department of Endocrinology, Josep Trueta University Hospital, Girona, Spain
| | - Paula Casano-Sancho
- Centro de Investigación en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Pediatric Endocrinology Unit, Institut de Recerca SJS 39-57, Hospital Sant Joan de Déu, University of Barcelona, Esplugues, Spain
| | - Cristina Carrato
- Department of Pathology, Germans Trias i Pujol University Hospital, Badalona, Spain
| | - Betina Biagetti
- Department of Endocrinology, University Hospital Vall d’Hebron, Barcelona, Spain
| | - Gemma Sesmilo
- Department of Endocrinology, Dexeus University Hospital, Barcelona, Spain
| | - Jennifer Marcos-Ruiz
- Endocrine Research Unit, Germans Trias i Pujol Research Institute (IGTP), Badalona, Spain
| | | | - Anna Rueda-Pujol
- Endocrine Research Unit, Germans Trias i Pujol Research Institute (IGTP), Badalona, Spain
| | - Anna Aulinas
- Department of Endocrinology, Research Center for Pituitary Diseases, Hospital Sant Pau, IIB-SPau, Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación en Red de Enfermedades Raras, CIBERER, Unit 747, Instituto de Salud Carlos III, Madrid, Spain
| | - Alberto Blanco
- Department of Neurosurgery, Germans Trias i Pujol University Hospital, Badalona, Spain
| | - Cristina Hostalot
- Department of Neurosurgery, Germans Trias i Pujol University Hospital, Badalona, Spain
| | - Andreu Simó-Servat
- Department of Endocrinology, Hospital Universitari Mútua de Terrassa, Terrassa, Spain
| | - Fernando Muñoz
- Department of Neurosurgery, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Marta Rico
- Department of Neurosurgery, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | | | - Esteban Cordero
- Department of Neurosurgery, University Hospital Vall d’Hebron, Barcelona, Spain
| | - Susan M. Webb
- Department of Endocrinology, Research Center for Pituitary Diseases, Hospital Sant Pau, IIB-SPau, Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación en Red de Enfermedades Raras, CIBERER, Unit 747, Instituto de Salud Carlos III, Madrid, Spain
| | - Mireia Jordà
- Endocrine Research Unit, Germans Trias i Pujol Research Institute (IGTP), Badalona, Spain
| | - Manel Puig-Domingo
- Endocrine Research Unit, Germans Trias i Pujol Research Institute (IGTP), Badalona, Spain
- Centro de Investigación en Red de Enfermedades Raras, CIBERER, Unit 747, Instituto de Salud Carlos III, Madrid, Spain
- Department of Endocrinology, Hospital Municipal de Badalona, Badalona, Catalonia, Spain
- *Correspondence: Manel Puig-Domingo,
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Hwang YS, Cho HJ, Park ES, Lim J, Yoon HR, Kim JT, Yoon SR, Jung H, Choe YK, Kim YH, Lee CH, Kwon YT, Kim BY, Lee HG. KLK6/PAR1 Axis Promotes Tumor Growth and Metastasis by Regulating Cross-Talk between Tumor Cells and Macrophages. Cells 2022; 11:cells11244101. [PMID: 36552865 PMCID: PMC9777288 DOI: 10.3390/cells11244101] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/02/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
Kallikrein-related peptidase (KLK)6 is associated with inflammatory diseases and neoplastic progression. KLK6 is aberrantly expressed in several solid tumors and regulates cancer development, metastatic progression, and drug resistance. However, the function of KLK6 in the tumor microenvironment remains unclear. This study aimed to determine the role of KLK6 in the tumor microenvironment. Here, we uncovered the mechanism underlying KLK6-mediated cross-talk between cancer cells and macrophages. Compared with wild-type mice, KLK6-/- mice showed less tumor growth and metastasis in the B16F10 melanoma and Lewis lung carcinoma (LLC) xenograft model. Mechanistically, KLK6 promoted the secretion of tumor necrosis factor-alpha (TNF-α) from macrophages via the activation of protease-activated receptor-1 (PAR1) in an autocrine manner. TNF-α secreted from macrophages induced the release of the C-X-C motif chemokine ligand 1 (CXCL1) from melanoma and lung carcinoma cells in a paracrine manner. The introduction of recombinant KLK6 protein in KLK6-/- mice rescued the production of TNF-α and CXCL1, tumor growth, and metastasis. Inhibition of PAR1 activity suppressed these malignant phenotypes rescued by rKLK6 in vitro and in vivo. Our findings suggest that KLK6 functions as an important molecular link between macrophages and cancer cells during malignant progression, thereby providing opportunities for therapeutic intervention.
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Affiliation(s)
- Yo Sep Hwang
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
- Department of Biomolecular Science, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Hee Jun Cho
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Eun Sun Park
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
- Department of Biomolecular Science, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Jeewon Lim
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
- Department of Biomolecular Science, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Hyang Ran Yoon
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Jong-Tae Kim
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Suk Ran Yoon
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Haiyoung Jung
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Yong-Kyung Choe
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Yong-Hoon Kim
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Chul-Ho Lee
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Yong Tae Kwon
- Protein Metabolism Medical Research Center, Department of Biomedical Science, College of Medicine, Seoul National University, Seoul 110-799, Republic of Korea
- Correspondence: (Y.T.K.); (B.Y.K.); (H.G.L.)
| | - Bo Yeon Kim
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology, Ochang, Cheong won, Cheongju 28116, Republic of Korea
- Correspondence: (Y.T.K.); (B.Y.K.); (H.G.L.)
| | - Hee Gu Lee
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
- Department of Biomolecular Science, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
- Correspondence: (Y.T.K.); (B.Y.K.); (H.G.L.)
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Diamandis EP. My scientific genealogy and the Toronto ACDC Laboratory, 1988–2022. Open Life Sci 2022; 17:1515-1518. [PMID: 36405236 PMCID: PMC9644701 DOI: 10.1515/biol-2022-0483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 07/24/2022] [Indexed: 11/11/2022] Open
Abstract
There is a saying that as people get older, they prefer to speak more about the past and less about the future. As I go through the last chapter of my scientific career, which spans from 1988–2022, I traced my scientific genealogy and the most important scientific achievements of my laboratory. By examining close to 1,000 PubMed-indexed papers published, I found out that none of them describes best our most important contributions. Also, by realizing that our contributions in science would have likely been discovered by others shortly afterwards, I focused my attention to other metrics. I suggest here that the best metric of success is the number of people that have been trained in my lab, and found their own way in their professional and other endeavors. Over the years, I trained over 250 individuals, of which 49 obtained a PhD, 19 an MSc, 37 were post-doctoral fellows, 5 were clinical fellows and about 150 were co-op/undergraduates and summer students. Many of these individuals now hold important positions in Academia, Government and Industry. My graduates, who have now created their own genealogy and many more individuals with roots to my laboratory, are now serving the society. In conclusion, I consider the development of young trainees as my most important career contribution.
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Affiliation(s)
- Eleftherios P. Diamandis
- Department of Pathology and Laboratory Medicine , Mount Sinai Hospital, 60 Murray St [Box 32]; Flr 6 – Rm L6-201-1 , Toronto , ON, M5T 3L9 , Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto , Toronto , Canada
- Department of Clinical Biochemistry, University Health Network , Toronto , Canada
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Liu Y, Gong W, Preis S, Dorn J, Kiechle M, Reuning U, Magdolen V, Dreyer TF. A Pair of Prognostic Biomarkers in Triple-Negative Breast Cancer: KLK10 and KLK11 mRNA Expression. Life (Basel) 2022; 12:life12101517. [PMID: 36294951 PMCID: PMC9605449 DOI: 10.3390/life12101517] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/16/2022] [Accepted: 09/19/2022] [Indexed: 11/27/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is an aggressive breast cancer subtype with poor patient prognosis and limited therapeutic options. A lack of prognostic biomarkers and therapeutic targets fuels the need for new approaches to tackle this severe disease. Extracellular matrix degradation, release, and modulation of the activity of growth factors/cytokines/chemokines, and the initiation of signaling pathways by extracellular proteolytic networks, have been identified as major processes in the carcinogenesis of breast cancer. Members of the kallikrein-related peptidase (KLK) family contribute to these tumor-relevant processes, and are associated with breast cancer progression and metastasis. In this study, the clinical relevance of mRNA expression of two members of this family, KLK10 and KLK11, has been evaluated in TNBC. For this, their expression levels were quantified in tumor tissue of a large, well-characterized patient cohort (n = 123) via qPCR. Although, in general, the overall expression of both factors are lower in tumor tissue of breast cancer patients (encompassing all subtypes) compared to normal tissue of healthy donors, in the TNBC subtype, expression is even increased. In our cohort, a significant, positive correlation between the expression levels of both KLKs was detected, indicating a coordinate expression mode of these proteases. Elevated KLK10 and KLK11 mRNA levels were associated with poor patient prognosis. Moreover, both factors were found to be independent of other established clinical factors such as age, lymph node status, or residual tumor mass, as determined by multivariable Cox regression analysis. Thus, both proteases, KLK10 and KLK11, may represent unfavorable prognostic factors for TNBC patients and, furthermore, appear as promising potential targets for therapy in TNBC.
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Affiliation(s)
- Yueyang Liu
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, 81675 Munich, Germany
- Department of Gynecology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 519041, China
| | - Weiwei Gong
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, 81675 Munich, Germany
- Department of Hematology/Oncology, Guangzhou Women and Children’s Medical Center, Guangzhou 519041, China
| | - Sarah Preis
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, 81675 Munich, Germany
| | - Julia Dorn
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, 81675 Munich, Germany
| | - Marion Kiechle
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, 81675 Munich, Germany
| | - Ute Reuning
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, 81675 Munich, Germany
| | - Viktor Magdolen
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, 81675 Munich, Germany
| | - Tobias F. Dreyer
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, 81675 Munich, Germany
- Correspondence: ; Tel.: +49-89-4140-7408
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20
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EPA Modulates KLK Genes via miR-378: A Potential Therapy in Prostate Cancer. Cancers (Basel) 2022; 14:cancers14112813. [PMID: 35681793 PMCID: PMC9179265 DOI: 10.3390/cancers14112813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/09/2021] [Accepted: 04/28/2022] [Indexed: 01/27/2023] Open
Abstract
It is known that miRNA-378a-3p (miR-378) could be induced by eicosapentaenoic acid (EPA), an omega-3 fatty acid. Herein, we first demonstrated how miR-378 exerts anti-prostate cancer (PCa) actions by influencing multiple target genes, including KLK2, KLK4, KLK6, and KLK14, which are implicated in PCa development, cell proliferation, and cell survival. Furthermore, these genes also correlate with androgen and mTOR signaling transduction, and are considered pivotal pathways for the onset and progression of PCa. In total, four PCa cell lines and eight pairing tissues (tumor vs. normal) from clinical PCa patients were included in the current study. The results showed high significance after EPA induced tumor cells containing higher expression levels of miR-378, and led the PCa cells having low cell viabilities, and they progressed to apoptosis when compared with normal prostate cells (p < 0.001). The findings indicated that EPA might become a potential therapy for PCa, especially because it is derived from the components of natural fish oil; it may prove to be a great help for solving the problem of castration-resistant prostate cancer (CRPC).
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21
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An insilico study of KLK-14 protein and its inhibition with curcumin and its derivatives. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02209-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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22
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Kumarasamy G, Kaur G. Protein biomarkers in gynecological cancers: The need for translational research towards clinical applications. CLINICA E INVESTIGACION EN GINECOLOGIA Y OBSTETRICIA 2022. [DOI: 10.1016/j.gine.2021.100735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Hassanein SS, Abdel-Mawgood AL, Ibrahim SA. EGFR-Dependent Extracellular Matrix Protein Interactions Might Light a Candle in Cell Behavior of Non-Small Cell Lung Cancer. Front Oncol 2021; 11:766659. [PMID: 34976811 PMCID: PMC8714827 DOI: 10.3389/fonc.2021.766659] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 11/23/2021] [Indexed: 12/14/2022] Open
Abstract
Lung cancer remains the leading cause of cancer-related death and is associated with a poor prognosis. Lung cancer is divided into 2 main types: the major in incidence is non-small cell lung cancer (NSCLC) and the minor is small cell lung cancer (SCLC). Although NSCLC progression depends on driver mutations, it is also affected by the extracellular matrix (ECM) interactions that activate their corresponding signaling molecules in concert with integrins and matrix metalloproteinases (MMPs). These signaling molecules include cytoplasmic kinases, small GTPases, adapter proteins, and receptor tyrosine kinases (RTKs), particularly the epidermal growth factor receptor (EGFR). In NSCLC, the interplay between ECM and EGFR regulates ECM stiffness, angiogenesis, survival, adhesion, migration, and metastasis. Furthermore, some tumor-promoting ECM components (e.g., glycoproteins and proteoglycans) enhance activation of EGFR and loss of PTEN. On the other hand, other tumor-suppressing glycoproteins and -proteoglycans can inhibit EGFR activation, suppressing cell invasion and migration. Therefore, deciphering the molecular mechanisms underlying EGFR and ECM interactions might provide a better understanding of disease pathobiology and aid in developing therapeutic strategies. This review critically discusses the crosstalk between EGFR and ECM affecting cell behavior of NSCLC, as well as the involvement of ECM components in developing resistance to EGFR inhibition.
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Affiliation(s)
- Sarah Sayed Hassanein
- Biotechnology Program, Basic and Applied Sciences (BAS) Institute, Egypt-Japan University of Science and Technology (E-JUST), Alexandria, Egypt
- Zoology Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Ahmed Lotfy Abdel-Mawgood
- Biotechnology Program, Basic and Applied Sciences (BAS) Institute, Egypt-Japan University of Science and Technology (E-JUST), Alexandria, Egypt
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Ge Y, Zhou C, Xiao X, Jin Z, Zhou L, Chen Z, Liu F, Yuan Q, Zhang G, Shan L, Tong P. A Novel Mutation of the KLK6 Gene in a Family With Knee Osteoarthritis. Front Genet 2021; 12:784176. [PMID: 34858488 PMCID: PMC8631809 DOI: 10.3389/fgene.2021.784176] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 10/20/2021] [Indexed: 12/12/2022] Open
Abstract
To investigate the correlation between gene mutation and knee osteoarthritis (KOA), a whole-exome sequencing (WES) was applied to analyze blood samples of four KOA patients and two normal subjects in a family. Gene mutations were identified by gene-trapping and high-throughput sequencing analysis across the differences between the patients and normal subjects. The interactive gene network analysis on the retrieval of interacting genes (STRING) database and the KOA-related genes expression data sets was performed. A possibly detrimental and nonsynonymous mutation at the kallikrein-related peptidase 6 (KLK6) gene (rs201586262, c. C80A, P27H) was identified and attracted our attention. KLK6 belongs to the kallikrein family of serine proteases and its serum level is known as a prevalent biomarker in inflammatory and malignant diseases. KLK6 expresses in the extracellular compartment for matrix degradation, highlighting that KLK6 plays a role in the pathogenesis of KOA. By using the gene databases, the KOA-related genes were mined after de-duplication and IL6 was selected as the most relevant gene through interactive analysis of protein-protein interaction (PPI) network. The data suggested that KLK6 gene mutation and the related expression alteration of IL6 gene might determine the occurrence of hereditary KOA. The is the first study discovering the gene mutation of KLK6 as a factor of pathogenesis of KOA, especially the hereditary KOA.
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Affiliation(s)
- Yanzhi Ge
- The First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Chenfen Zhou
- National Genomics Data Center, CAS Key Laboratory of Computational Biology, Bio-Med Big Data Center, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Xiujuan Xiao
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Zhijiang Jin
- Department of Orthopaedics, The 9th People's Hospital of Hangzhou, Hangzhou, China
| | - Li Zhou
- The First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Zuxiang Chen
- The First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Fucun Liu
- Department of Orthopaedics, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Qiang Yuan
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Guoqing Zhang
- National Genomics Data Center, CAS Key Laboratory of Computational Biology, Bio-Med Big Data Center, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Letian Shan
- The First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Peijian Tong
- The First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
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Song Y, Wright JG, Anderson MJ, Rajendran S, Ren Z, Hua DH, Koehne JE, Meyyappan M, Li J. Quantitative Detection of Cathepsin B Activity in Neutral pH Buffers Using Gold Microelectrode Arrays: Toward Direct Multiplex Analyses of Extracellular Proteases in Human Serum. ACS Sens 2021; 6:3621-3631. [PMID: 34546741 DOI: 10.1021/acssensors.1c01175] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Proteases are critical signaling molecules and prognostic biomarkers for many diseases including cancer. There is a strong demand for multiplex bioanalytical techniques that can rapidly detect the activity of extracellular proteases with high sensitivity and specificity. This study demonstrates an activity-based electrochemical biosensor of a 3 × 3 gold microelectrode array for the detection of cathepsin B activity in human serum diluted in a neutral buffer. Proteolysis of ferrocene-labeled peptide substrates functionalized on 200 × 200 μm microelectrodes is measured simultaneously over the nine channels by AC voltammetry. The protease activity is represented by the inverse of the exponential decay time constant (1/τ), which equals to (kcat/KM)[CB] based on the Michaelis-Menten model. An enhanced activity of the recombinant human cathepsin B (rhCB) is observed in a low-ionic-strength phosphate buffer at pH = 7.4, giving a very low limit of detection of 8.49 × 10-4 s-1 for activity and 57.1 pM for the active rhCB concentration that is comparable to affinity-based enzyme-linked immunosorbent assay (ELISA). The cathepsin B presented in the human serum sample is validated by ELISA, which mainly detects the inactive proenzyme, while the electrochemical biosensor specifically measures the active cathepsin B and shows significantly higher decay rates when rhCB and human serum are activated. Analyses of the kinetic electrochemical measurements with spiked active cathepsin B in human serum provide further assessment of the protease activity in the complex sample. This study lays the foundation to develop the gold microelectrode array into a multiplex biosensor for rapid detection of the activity of extracellular proteases toward cancer diagnosis and treatment assessment.
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Affiliation(s)
- Yang Song
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Jestin Gage Wright
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Morgan J. Anderson
- NASA Ames Research Center, Moffett Field, California 94035, United States
| | - Sabari Rajendran
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Zhaoyang Ren
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Duy H. Hua
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Jessica E. Koehne
- NASA Ames Research Center, Moffett Field, California 94035, United States
| | - M. Meyyappan
- NASA Ames Research Center, Moffett Field, California 94035, United States
| | - Jun Li
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
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Lavergne M, Guillon-Munos A, Lenga Ma Bonda W, Attucci S, Kryza T, Barascu A, Moreau T, Petit-Courty A, Sizaret D, Courty Y, Iochmann S, Reverdiau P. Tissue factor pathway inhibitor 2 is a potent kallikrein-related protease 12 inhibitor. Biol Chem 2021; 402:1257-1268. [PMID: 33977679 DOI: 10.1515/hsz-2020-0389] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 04/30/2021] [Indexed: 11/15/2022]
Abstract
The protease activities are tightly regulated by inhibitors and dysregulation contribute to pathological processes such as cancer and inflammatory disorders. Tissue factor pathway inhibitor 2 (TFPI-2) is a serine proteases inhibitor, that mainly inhibits plasmin. This protease activated matrix metalloproteases (MMPs) and degraded extracellular matrix. Other serine proteases are implicated in these mechanisms like kallikreins (KLKs). In this study, we identified for the first time that TFPI-2 is a potent inhibitor of KLK5 and 12. Computer modeling showed that the first Kunitz domain of TFPI-2 could interact with residues of KLK12 near the catalytic triad. Furthermore, like plasmin, KLK12 was able to activate proMMP-1 and -3, with no effect on proMMP-9. Thus, the inhibition of KLK12 by TFPI-2 greatly reduced the cascade activation of these MMPs and the cleavage of cysteine-rich 61, a matrix signaling protein. Moreover, when TFPI-2 bound to extracellular matrix, its classical localisation, the KLK12 inhibition was retained. Finally, TFPI-2 was downregulated in human non-small-cell lung tumour tissue as compared with non-affected lung tissue. These data suggest that TFPI-2 is a potent inhibitor of KLK12 and could regulate matrix remodeling and cancer progression mediated by KLK12.
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Affiliation(s)
- Marion Lavergne
- Université de Tours, F-37032 Tours, France
- INSERM, Centre d'Etude des Pathologies Respiratoires (CEPR), UMR 1100, 10 boulevard Tonnellé, F-37032 Tours, France
| | - Audrey Guillon-Munos
- INSERM, Centre d'Etude des Pathologies Respiratoires (CEPR), UMR 1100, 10 boulevard Tonnellé, F-37032 Tours, France
- Groupe IMT, Bio3 Institute, 15 rue du Plat D'Etain, F-37020 Tours Cedex 1, France
| | - Woodys Lenga Ma Bonda
- Université de Tours, F-37032 Tours, France
- INSERM, Centre d'Etude des Pathologies Respiratoires (CEPR), UMR 1100, 10 boulevard Tonnellé, F-37032 Tours, France
| | - Sylvie Attucci
- Université de Tours, F-37032 Tours, France
- INSERM, Imagerie et Cerveau (iBrain), UMR 1253, F-37000 Tours, France
| | - Thomas Kryza
- INSERM, Centre d'Etude des Pathologies Respiratoires (CEPR), UMR 1100, 10 boulevard Tonnellé, F-37032 Tours, France
- Mater Research Institute, The University of Queensland, Woollongabba Brisbane, QLD, Australia
| | - Aurélia Barascu
- INSERM, Centre d'Etude des Pathologies Respiratoires (CEPR), UMR 1100, 10 boulevard Tonnellé, F-37032 Tours, France
- UMR 8226-CNRS/UPMC, Institut de Biologie Physico-chimique, Sorbonne Université, 13 rue Pierre et Marie Curie, F-75005 Paris, France
| | - Thierry Moreau
- Université de Tours, F-37032 Tours, France
- INRA, UMR INRA 0083 - Biologie des Oiseaux et Aviculture (BOA), F-37380 Nouzilly, France
| | - Agnès Petit-Courty
- Université de Tours, F-37032 Tours, France
- INSERM, Centre d'Etude des Pathologies Respiratoires (CEPR), UMR 1100, 10 boulevard Tonnellé, F-37032 Tours, France
| | - Damien Sizaret
- Département d'Anatomie et Cytologie Pathologiques, Hôpital Trousseau, CHRU de Tours, F-37044 Tours, France
| | - Yves Courty
- INSERM, Centre d'Etude des Pathologies Respiratoires (CEPR), UMR 1100, 10 boulevard Tonnellé, F-37032 Tours, France
| | - Sophie Iochmann
- Université de Tours, F-37032 Tours, France
- INSERM, Centre d'Etude des Pathologies Respiratoires (CEPR), UMR 1100, 10 boulevard Tonnellé, F-37032 Tours, France
- Institut Universitaire de Technologie, F-37082 Tours, France
| | - Pascale Reverdiau
- Université de Tours, F-37032 Tours, France
- INSERM, Centre d'Etude des Pathologies Respiratoires (CEPR), UMR 1100, 10 boulevard Tonnellé, F-37032 Tours, France
- Institut Universitaire de Technologie, F-37082 Tours, France
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27
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Abuduhadeer X, Xu X, Aihesan K, Yilihamu M, Zhao Y, Zhang W. Clinical significance of kallikrein 5 as a novel prognostic biomarker in gastric adenocarcinoma. J Clin Lab Anal 2021; 35:e23958. [PMID: 34510543 PMCID: PMC8529136 DOI: 10.1002/jcla.23958] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 06/19/2021] [Accepted: 06/29/2021] [Indexed: 12/15/2022] Open
Abstract
Backgrounds Gastric cancer is one of the most common cancers with unsatisfied prognosis. It is challenging to predict gastric cancer prognosis due to its highly heterogeneous nature. Kallikrein 5 (KLK5) belongs to the family of kallikreins, which plays a crucial role in serine proteolysis and exerts diverse physiological functions. The role of KLK5 in human gastric adenocarcinoma (GAC) has not been elucidated. In the present study, we aimed to examine the expression level of KLK5 and dissect whether the KLK5 expression was associated with GAC prognosis. Patients and methods Clinicopathological analyses were performed in a retrospective GAC patient cohort (n = 138). The expression of KLK5 was tested by quantitative RT‐PCR and immunohistochemistry staining. The prognostic role of KLK5 in GAC was assessed by univariate and multivariate analyses. The effects of KLK5 on cell proliferation, migration, and invasion were examined through cellular experiments. Results The data showed that KLK5 expression was elevated in GAC tissues compared with normal stomach tissues. Protein expression of KLK5 was positively correlated with tumor invasion depth and lymph node metastasis. Patients with higher KLK5 expression had poorer overall survival. KLK5 was identified to be an independent risk factor according to multivariate analysis. Using human GAC cell lines, we found that KLK5 can promote tumor cell migration and invasion. Conclusions Our study demonstrated that higher expression of KLK5 was significantly correlated with a poorer prognosis of GAC patients, implying the potential of KLK5 as a novel prognostic biomarker in GAC.
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Affiliation(s)
- Xiaokaiti Abuduhadeer
- Day Operation Treatment Ward, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Xincai Xu
- Department of Gastrointestinal (Tumor) Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Kamali Aihesan
- Day Operation Treatment Ward, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Maimaiti Yilihamu
- Day Operation Treatment Ward, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Yanjun Zhao
- Day Operation Treatment Ward, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Wenbin Zhang
- Department of Gastrointestinal (Tumor) Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
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28
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Kang Y, Chen J, Li X, Luo M, Chen H, Cui B, Wang L, Lv D, Feng Y, Zhang P. Salivary KLK5 and uPA are potential biomarkers for malignant transformation of OLK and OLP. Cancer Biomark 2021; 31:317-328. [PMID: 33896830 DOI: 10.3233/cbm-203105] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Oral squamous cell carcinoma (OSCC) usually originates from oral potentially malignant disorders (OPMD), such as oral leukoplakia (OLK) and oral lichen planus (OLP). Identifying biomarkers for the early diagnosis and evaluation of malignant transformation in OPMD could improve the survival rate of OSCC patients. OBJECTIVE The present study aimed to screen for potential salivary biomarkers for evaluating the malignant transformation of OPMD. METHODS Salivary proteases from OLK and OSCC patients or healthy donors and proteases in cultural medium from DOK and Cal-27 cells were detected with a human protease array kit. The concentrations of the salivary Kallikrein 5 (KLK5) and urokinase-type plasminogen activator (uPA) proteases were measured by ELISA. Receiver operating characteristics (ROC) to determine the potential value of these proteases in clinical diagnosis were calculated using SPSS software. Immunohistochemistry was used to detect the KLK5 and uPA expression in the oral organizations. RESULTS The salivary protease spectrum was different among patients with OLK and OSCC and healthy donors. KLK5 and uPA levels in saliva tended to increase as the disease progressed (healthy < OPMD [OLK and OLP] < OSCC). ROC curves showed the optimum diagnostic cutoffs for KLK5 as a biomarker for OLK, OLP, and OSCC were 5.97, 6.03, and 9.45 pg/mL, respectively, while the cutoffs for uPA were 17.19, 17.26, and 20.96 pg/mL. Their combined analysis showed a higher sensitivity for the differential diagnosis of disease. Furthermore, higher levels of KLK5 and uPA were observed in OSCC tissues than in OLK and OLP. CONCLUSIONS Salivary KLK5 and uPA are potential biomarkers for evaluating OLK and OLP malignant transformation and early diagnosis of OSCC.
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29
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Kirkpatrick JD, Warren AD, Soleimany AP, Westcott PMK, Voog JC, Martin-Alonso C, Fleming HE, Tammela T, Jacks T, Bhatia SN. Urinary detection of lung cancer in mice via noninvasive pulmonary protease profiling. Sci Transl Med 2021; 12:12/537/eaaw0262. [PMID: 32238573 DOI: 10.1126/scitranslmed.aaw0262] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 08/06/2019] [Accepted: 03/11/2020] [Indexed: 12/15/2022]
Abstract
Lung cancer is the leading cause of cancer-related death, and patients most commonly present with incurable advanced-stage disease. U.S. national guidelines recommend screening for high-risk patients with low-dose computed tomography, but this approach has limitations including high false-positive rates. Activity-based nanosensors can detect dysregulated proteases in vivo and release a reporter to provide a urinary readout of disease activity. Here, we demonstrate the translational potential of activity-based nanosensors for lung cancer by coupling nanosensor multiplexing with intrapulmonary delivery and machine learning to detect localized disease in two immunocompetent genetically engineered mouse models. The design of our multiplexed panel of sensors was informed by comparative transcriptomic analysis of human and mouse lung adenocarcinoma datasets and in vitro cleavage assays with recombinant candidate proteases. Intrapulmonary administration of the nanosensors to a Kras- and Trp53-mutant lung adenocarcinoma mouse model confirmed the role of metalloproteases in lung cancer and enabled accurate detection of localized disease, with 100% specificity and 81% sensitivity. Furthermore, this approach generalized to an alternative autochthonous model of lung adenocarcinoma, where it detected cancer with 100% specificity and 95% sensitivity and was not confounded by lipopolysaccharide-driven lung inflammation. These results encourage the clinical development of activity-based nanosensors for the detection of lung cancer.
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Affiliation(s)
- Jesse D Kirkpatrick
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Harvard-MIT Division of Health Sciences and Technology, Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Andrew D Warren
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Harvard-MIT Division of Health Sciences and Technology, Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Ava P Soleimany
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Harvard-MIT Division of Health Sciences and Technology, Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Harvard Graduate Program in Biophysics, Harvard University, Boston, MA 02115, USA
| | - Peter M K Westcott
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Justin C Voog
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Harvard-MIT Division of Health Sciences and Technology, Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Carmen Martin-Alonso
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Harvard-MIT Division of Health Sciences and Technology, Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Heather E Fleming
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Harvard-MIT Division of Health Sciences and Technology, Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Tuomas Tammela
- Cancer Biology and Genetics Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Tyler Jacks
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Howard Hughes Medical Institute, Cambridge, MA 02139, USA
| | - Sangeeta N Bhatia
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. .,Harvard-MIT Division of Health Sciences and Technology, Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Howard Hughes Medical Institute, Cambridge, MA 02139, USA.,Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.,Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, MA 02139, USA.,Wyss Institute at Harvard, Boston, MA 02115, USA
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Pandey R, Zhou M, Chen Y, Darmoul D, Kisiel CC, Nfonsam VN, Ignatenko NA. Molecular Pathways Associated with Kallikrein 6 Overexpression in Colorectal Cancer. Genes (Basel) 2021; 12:749. [PMID: 34065672 PMCID: PMC8157155 DOI: 10.3390/genes12050749] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/01/2021] [Accepted: 05/14/2021] [Indexed: 12/16/2022] Open
Abstract
Colorectal cancer (CRC) remains one of the leading causes of cancer-related death worldwide. The high mortality of CRC is related to its ability to metastasize to distant organs. The kallikrein-related peptidase Kallikrein 6 (KLK6) is overexpressed in CRC and contributes to cancer cell invasion and metastasis. The goal of this study was to identify KLK6-associated markers for the CRC prognosis and treatment. Tumor Samples from the CRC patients with significantly elevated KLK6 transcript levels were identified in the RNA-Seq data from Cancer Genome Atlas (TCGA) and their expression profiles were evaluated using Gene Ontology (GO), Phenotype and Reactome enrichment, and protein interaction methods. KLK6-high cases had a distinct spectrum of mutations in titin (TTN), APC, K-RAS, and MUC16 genes. Differentially expressed genes (DEGs) found in the KLK6-overexpressing CRCs were associated with cell signaling, extracellular matrix organization, and cell communication regulatory pathways. The top KLK6-interaction partners were found to be the members of kallikrein family (KLK7, KLK8, KLK10), extracellular matrix associated proteins (keratins, integrins, small proline rich repeat, S100A families) and TGF-β, FOS, and Ser/Thr protein kinase signaling pathways. Expression of selected KLK6-associated genes was validated in a subset of paired normal and tumor CRC patient-derived organoid cultures. The performed analyses identified KLK6 itself and a set of genes, which are co-expressed with KLK6, as potential clinical biomarkers for the management of the CRC disease.
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Affiliation(s)
- Ritu Pandey
- Department of Cellular and Molecular Medicine, University of Arizona, Tucson, AZ 85721, USA;
- University of Arizona Cancer Center, University of Arizona, Tucson, AZ 85724, USA;
| | - Muhan Zhou
- Bioinformatics Shared Resource, University of Arizona Cancer Center, Tucson, AZ 85724, USA; (M.Z.); (Y.C.)
| | - Yuliang Chen
- Bioinformatics Shared Resource, University of Arizona Cancer Center, Tucson, AZ 85724, USA; (M.Z.); (Y.C.)
| | - Dalila Darmoul
- Institut National de la Santé et de la Recherche Médicale (INSERM), Université de Paris, Lariboisière Hospital, 75010 Paris, France;
| | - Conner C. Kisiel
- University of Arizona Cancer Center, University of Arizona, Tucson, AZ 85724, USA;
| | - Valentine N. Nfonsam
- Department of Surgery, Section of Surgical Oncology, University of Arizona, Tucson, AZ 85724, USA;
| | - Natalia A. Ignatenko
- Department of Cellular and Molecular Medicine, University of Arizona, Tucson, AZ 85721, USA;
- University of Arizona Cancer Center, University of Arizona, Tucson, AZ 85724, USA;
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31
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Piperigkou Z, Kyriakopoulou K, Koutsakis C, Mastronikolis S, Karamanos NK. Key Matrix Remodeling Enzymes: Functions and Targeting in Cancer. Cancers (Basel) 2021; 13:1441. [PMID: 33809973 PMCID: PMC8005147 DOI: 10.3390/cancers13061441] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 03/05/2021] [Accepted: 03/17/2021] [Indexed: 12/13/2022] Open
Abstract
Tissue functionality and integrity demand continuous changes in distribution of major components in the extracellular matrices (ECMs) under normal conditions aiming tissue homeostasis. Major matrix degrading proteolytic enzymes are matrix metalloproteinases (MMPs), plasminogen activators, atypical proteases such as intracellular cathepsins and glycolytic enzymes including heparanase and hyaluronidases. Matrix proteases evoke epithelial-to-mesenchymal transition (EMT) and regulate ECM turnover under normal procedures as well as cancer cell phenotype, motility, invasion, autophagy, angiogenesis and exosome formation through vital signaling cascades. ECM remodeling is also achieved by glycolytic enzymes that are essential for cancer cell survival, proliferation and tumor progression. In this article, the types of major matrix remodeling enzymes, their effects in cancer initiation, propagation and progression as well as their pharmacological targeting and ongoing clinical trials are presented and critically discussed.
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Affiliation(s)
- Zoi Piperigkou
- Biochemistry, Biochemical Analysis and Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 265 04 Patras, Greece; (K.K.); (C.K.)
- Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), 265 04 Patras, Greece
| | - Konstantina Kyriakopoulou
- Biochemistry, Biochemical Analysis and Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 265 04 Patras, Greece; (K.K.); (C.K.)
| | - Christos Koutsakis
- Biochemistry, Biochemical Analysis and Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 265 04 Patras, Greece; (K.K.); (C.K.)
| | | | - Nikos K. Karamanos
- Biochemistry, Biochemical Analysis and Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, 265 04 Patras, Greece; (K.K.); (C.K.)
- Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), 265 04 Patras, Greece
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Tian J, Wang V, Wang N, Khadang B, Boudreault J, Bakdounes K, Ali S, Lebrun JJ. Identification of MFGE8 and KLK5/7 as mediators of breast tumorigenesis and resistance to COX-2 inhibition. Breast Cancer Res 2021; 23:23. [PMID: 33588911 PMCID: PMC7885389 DOI: 10.1186/s13058-021-01401-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 01/31/2021] [Indexed: 02/10/2023] Open
Abstract
BACKGROUND Cyclooxygenase 2 (COX-2) promotes stemness in triple negative breast cancer (TNBC), highlighting COX-2 as a promising therapeutic target in these tumors. However, to date, clinical trials using COX-2 inhibitors in breast cancer only showed variable patient responses with no clear significant clinical benefits, suggesting underlying molecular mechanisms contributing to resistance to COX-2 inhibitors. METHODS By combining in silico analysis of human breast cancer RNA-seq data with interrogation of public patient databases and their associated transcriptomic, genomic, and clinical profiles, we identified COX-2 associated genes whose expression correlate with aggressive TNBC features and resistance to COX-2 inhibitors. We then assessed their individual contributions to TNBC metastasis and resistance to COX-2 inhibitors, using CRISPR gene knockout approaches in both in vitro and in vivo preclinical models of TNBC. RESULTS We identified multiple COX-2 associated genes (TPM4, RGS2, LAMC2, SERPINB5, KLK7, MFGE8, KLK5, ID4, RBP1, SLC2A1) that regulate tumor lung colonization in TNBC. Furthermore, we found that silencing MFGE8 and KLK5/7 gene expression in TNBC cells markedly restored sensitivity to COX-2 selective inhibitor both in vitro and in vivo. CONCLUSIONS Together, our study supports the establishment and use of novel COX-2 inhibitor-based combination therapies as future strategies for TNBC treatment.
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Affiliation(s)
- Jun Tian
- Department of Medicine, McGill University Health Center, Cancer Research Program, 1001 Decarie Blvd, Bloc E, Suite E02.6224, Montreal, QC, H4A 3J1, Canada
| | - Vivian Wang
- Department of Medicine, McGill University Health Center, Cancer Research Program, 1001 Decarie Blvd, Bloc E, Suite E02.6224, Montreal, QC, H4A 3J1, Canada
| | - Ni Wang
- Department of Medicine, McGill University Health Center, Cancer Research Program, 1001 Decarie Blvd, Bloc E, Suite E02.6224, Montreal, QC, H4A 3J1, Canada
| | - Baharak Khadang
- Department of Medicine, McGill University Health Center, Cancer Research Program, 1001 Decarie Blvd, Bloc E, Suite E02.6224, Montreal, QC, H4A 3J1, Canada
| | - Julien Boudreault
- Department of Medicine, McGill University Health Center, Cancer Research Program, 1001 Decarie Blvd, Bloc E, Suite E02.6224, Montreal, QC, H4A 3J1, Canada
| | - Khldoun Bakdounes
- Department of Medicine, McGill University Health Center, Cancer Research Program, 1001 Decarie Blvd, Bloc E, Suite E02.6224, Montreal, QC, H4A 3J1, Canada
| | - Suhad Ali
- Department of Medicine, McGill University Health Center, Cancer Research Program, 1001 Decarie Blvd, Bloc E, Suite E02.6224, Montreal, QC, H4A 3J1, Canada
| | - Jean-Jacques Lebrun
- Department of Medicine, McGill University Health Center, Cancer Research Program, 1001 Decarie Blvd, Bloc E, Suite E02.6224, Montreal, QC, H4A 3J1, Canada.
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Gruba N, Stachurski L, Lesner A. Non‐Proteasomal Urine Activity in Bladder Cancer. Chem Biodivers 2021; 18:e2000981. [DOI: 10.1002/cbdv.202000981] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 01/25/2021] [Indexed: 12/22/2022]
Affiliation(s)
- Natalia Gruba
- University of Gdansk Faculty of Chemistry Wita Stwosza 63 Street PL 80-308 Gdańsk Poland
| | - Lech Stachurski
- City Hospital St. Vincent de Paul Wójta Radtkiego 1 Street PL 81-348 Gdynia Poland
| | - Adam Lesner
- University of Gdansk Faculty of Chemistry Wita Stwosza 63 Street PL 80-308 Gdańsk Poland
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Role of Kallikrein 7 in Body Weight and Fat Mass Regulation. Biomedicines 2021; 9:biomedicines9020131. [PMID: 33572949 PMCID: PMC7912635 DOI: 10.3390/biomedicines9020131] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 01/21/2021] [Accepted: 01/25/2021] [Indexed: 02/08/2023] Open
Abstract
Increased plasma and adipose tissue protease activity is observed in patients with type 2 diabetes and obesity. It has been proposed that specific proteases contribute to the link between obesity, adipose tissue inflammation and metabolic diseases. We have recently shown that ablation of the serine protease kallikrein-related peptidase 7 (Klk7) specifically in adipose tissue preserves systemic insulin sensitivity and protects mice from obesity-related AT inflammation. Here, we investigated whether whole body Klk7 knockout (Klk7-/-) mice develop a phenotype distinct from that caused by reduced Klk7 expression in adipose tissue. Compared to littermate controls, Klk7-/- mice gain less body weight and fat mass both under chow and high fat diet (HFD) feeding, are hyper-responsive to exogenous insulin and exhibit preserved adipose tissue function due to adipocyte hyperplasia and lower inflammation. Klk7-/- mice exhibit increased adipose tissue thermogenesis, which is not related to altered thyroid function. These data strengthen our recently proposed role of Klk7 in the regulation of body weight, energy metabolism, and obesity-associated adipose tissue dysfunction. The protective effects of Klk7 deficiency in obesity are likely linked to a significant limitation of adipocyte hypertrophy. In conclusion, our data indicate potential application of specific KLK7 inhibitors to regulate KLK7 activity in the development of obesity and counteract obesity-associated inflammation and metabolic diseases.
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Castanotto D, Zhang X, Rüger J, Alluin J, Sharma R, Pirrotte P, Joenson L, Ioannou S, Nelson MS, Vikeså J, Hansen BR, Koch T, Jensen MA, Rossi JJ, Stein CA. A Multifunctional LNA Oligonucleotide-Based Strategy Blocks AR Expression and Transactivation Activity in PCa Cells. MOLECULAR THERAPY. NUCLEIC ACIDS 2020; 23:63-75. [PMID: 33335793 PMCID: PMC7723773 DOI: 10.1016/j.omtn.2020.10.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 10/21/2020] [Indexed: 01/05/2023]
Abstract
The androgen receptor (AR) plays a critical role in the development of prostate cancer (PCa) through the activation of androgen-induced cellular proliferation genes. Thus, blocking AR-mediated transcriptional activation is expected to inhibit the growth and spread of PCa. Using tailor-made splice-switching locked nucleic acid (LNA) oligonucleotides (SSOs), we successfully redirected splicing of the AR precursor (pre-)mRNA and destabilized the transcripts via the introduction of premature stop codons. Furthermore, the SSOs simultaneously favored production of the AR45 mRNA in lieu of the full-length AR. AR45 is an AR isoform that can attenuate the activity of both full-length and oncogenic forms of AR by binding to their common N-terminal domain (NTD), thereby blocking their transactivation potential. A large screen was subsequently used to identify individual SSOs that could best perform this dual function. The selected SSOs powerfully silence AR expression and modulate the expression of AR-responsive cellular genes. This bi-functional strategy that uses a single therapeutic molecule can be the basis for novel PCa treatments. It might also be customized to other types of therapies that require the silencing of one gene and the simultaneous expression of a different isoform.
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Affiliation(s)
- Daniela Castanotto
- Department of Medical Oncology, City of Hope, 1500 East Duarte Road, Duarte, CA 91010, USA
| | - Xiaowei Zhang
- Department of Medical Oncology, City of Hope, 1500 East Duarte Road, Duarte, CA 91010, USA
| | - Jacqueline Rüger
- Department of Medical Oncology, City of Hope, 1500 East Duarte Road, Duarte, CA 91010, USA
| | - Jessica Alluin
- Department of Molecular and Cellular Biology, City of Hope, 1500 East Duarte Road, Duarte, CA 91010, USA
| | - Ritin Sharma
- Collaborative Center for Translational Mass Spectrometry, Translational Genomics Research Institute, Phoenix, AZ, USA
| | - Patrick Pirrotte
- Collaborative Center for Translational Mass Spectrometry, Translational Genomics Research Institute, Phoenix, AZ, USA
| | - Lars Joenson
- Roche Innovation Center Copenhagen A/S, Fremtidsvej 3, 2970 Hørsholm, Denmark
| | - Silvia Ioannou
- Science Department, Flintridge Preparatory School, 4543 Crown Avenue, La Cañada Flintridge, CA 91011, USA
| | - Michael S Nelson
- The Light Microscopy and Digital Imaging Core, Beckman Research Institute, City of Hope, 1500 East Duarte Road, Duarte CA 91010
| | - Jonas Vikeså
- Roche Innovation Center Copenhagen A/S, Fremtidsvej 3, 2970 Hørsholm, Denmark
| | - Bo Rode Hansen
- Genevant Sciences, 245 Main Street, Floor 2, Cambridge, MA 02142
| | - Troels Koch
- Frederikskaj 10B, 2nd floor, 2450 Copenhagen SV, Denmark
| | - Mads Aaboe Jensen
- Roche Innovation Center Copenhagen A/S, Fremtidsvej 3, 2970 Hørsholm, Denmark
| | - John J Rossi
- Department of Molecular and Cellular Biology, City of Hope, 1500 East Duarte Road, Duarte, CA 91010, USA
| | - Cy A Stein
- Department of Medical Oncology, City of Hope, 1500 East Duarte Road, Duarte, CA 91010, USA
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A novel serine protease inhibitor as potential treatment for dry eye syndrome and ocular inflammation. Sci Rep 2020; 10:17268. [PMID: 33057006 PMCID: PMC7560718 DOI: 10.1038/s41598-020-74159-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 09/28/2020] [Indexed: 01/05/2023] Open
Abstract
Dry eye syndrome (DES), a multifactorial disorder which leads to ocular discomfort, visual disturbance and tear film instability, has a rising prevalence and limited treatment options. In this study, a newly developed trypsin-like serine protease inhibitor (UAMC-00050) in a tear drop formulation was evaluated to treat ocular inflammation. A surgical animal model of dry eye was employed to investigate the potential of UAMC-00050 on dry eye pathology. Animals treated with UAMC-00050 displayed a significant reduction in ocular surface damage after evaluation with sodium fluorescein, compared to untreated, vehicle treated and cyclosporine-treated animals. The concentrations of IL-1α and TNF-α were also significantly reduced in tear fluid from UAMC-00050-treated rats. Additionally, inflammatory cell infiltration in the palpebral conjunctiva (CD3 and CD45), was substantially reduced. An accumulation of pro-MMP-9 and a decrease in active MMP-9 were found in tear fluid from animals treated with UAMC-00050, suggesting that trypsin-like serine proteases play a role in activating MMP-9 in ocular inflammation in this animal model. Comparative qRT-PCR analyses on ocular tissue indicated the upregulation of tryptase, urokinase plasminogen activator receptor (uPAR) and protease-activated receptor 2 (PAR2). The developed UAMC-00050 formulation was stable up to 6 months at room temperature in the absence of light, non-irritating and sterile with compatible pH and osmolarity. These results provide a proof-of-concept for the in vivo modifying potential of UAMC-00050 on dry eye pathology and suggest a central role of trypsin-like serine proteases and PAR2 in dry eye derived ocular inflammation.
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Ren Y, Hyakusoku H, Sagers JE, Landegger LD, Welling DB, Stankovic KM. MMP-14 (MT1-MMP) Is a Biomarker of Surgical Outcome and a Potential Mediator of Hearing Loss in Patients With Vestibular Schwannomas. Front Cell Neurosci 2020; 14:191. [PMID: 32848608 PMCID: PMC7424165 DOI: 10.3389/fncel.2020.00191] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 06/02/2020] [Indexed: 11/13/2022] Open
Abstract
Improved biomarkers are needed for vestibular schwannoma (VS), the most common tumor of the cerebellopontine angle, as existing clinical biomarkers have poor predictive value. Factors such as tumor size or growth rate do not shed light on the pathophysiology of associated sensorineural hearing loss (SNHL) and suffer from low specificity and sensitivity, whereas histological markers only sample a fraction of the tumor and are difficult to ascertain before tumor treatment or surgical intervention. Proteases play diverse and critical roles in tumorigenesis and could be leveraged as a new class of VS biomarkers. Using a combination of in silico, in vitro, and ex vivo approaches, we identified matrixmetalloprotease 14 (MMP-14; also known as MT1-MMP), from a panel of candidate proteases that were differentially expressed through the largest meta-analysis of human VS transcriptomes. The abundance and proteolytic activity of MMP-14 in the plasma and tumor secretions from VS patients correlated with clinical parameters and the degree of SNHL. Further, MMP-14 plasma levels correlated with surgical outcomes such as the extent of resection. Finally, the application of MMP-14 at physiologic concentrations to cochlear explant cultures led to damage to spiral ganglion neuronal fibers and synapses, thereby providing mechanistic insight into VS-associated SNHL. Taken together, MMP-14 represents a novel molecular biomarker that merits further validation in both diagnostic and prognostic applications for VS.
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Affiliation(s)
- Yin Ren
- Eaton Peabody Laboratories, Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye and Ear, Boston, MA, United States.,Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA, United States.,Division of Otolaryngology-Head and Neck Surgery, University of California, San Diego, San Diego, CA, United States
| | - Hiroshi Hyakusoku
- Eaton Peabody Laboratories, Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye and Ear, Boston, MA, United States.,Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA, United States.,Department of Otorhinolaryngology, Yokosuka Kyosai Hospital, Kanagawa, Japan
| | - Jessica E Sagers
- Eaton Peabody Laboratories, Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye and Ear, Boston, MA, United States.,Program in Speech and Hearing Bioscience and Technology, Harvard Medical School, Boston, MA, United States.,Harvard Program in Therapeutic Science, Harvard University, Boston, MA, United States
| | - Lukas D Landegger
- Eaton Peabody Laboratories, Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye and Ear, Boston, MA, United States.,Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA, United States
| | - D Bradley Welling
- Eaton Peabody Laboratories, Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye and Ear, Boston, MA, United States.,Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA, United States.,Program in Speech and Hearing Bioscience and Technology, Harvard Medical School, Boston, MA, United States
| | - Konstantina M Stankovic
- Eaton Peabody Laboratories, Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye and Ear, Boston, MA, United States.,Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA, United States.,Program in Speech and Hearing Bioscience and Technology, Harvard Medical School, Boston, MA, United States.,Harvard Program in Therapeutic Science, Harvard University, Boston, MA, United States
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38
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Mumtaz T, Qindeel M, Asim Ur Rehman, Tarhini M, Ahmed N, Elaissari A. Exploiting proteases for cancer theranostic through molecular imaging and drug delivery. Int J Pharm 2020; 587:119712. [PMID: 32745499 DOI: 10.1016/j.ijpharm.2020.119712] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 07/15/2020] [Accepted: 07/27/2020] [Indexed: 12/12/2022]
Abstract
The measurement of biological processes at a molecular and cellular level serves as a basis for molecular imaging. As compared with traditional imaging approaches, molecular imaging functions to probe molecular anomalies that are the basis of a disease rather than the evaluation of end results of these molecular changes. Proteases play central role in tumor invasion, angiogenesis and metastasis thus can be exploited as a target for imaging probes in early diagnosis and treatment of tumors. Molecular imaging of protease has undergone tremendous breakthroughs in the field of diagnosis. It allows the clinicians not only to see the tumor location but also provides an insight into the expression and activity of different types of markers associated with the tumor microenvironment. These imaging techniques are expected to have a huge impact on early cancer detection and personalized cancer treatment. Effective development of protease imaging probes with the highest in vivo biocompatibility, stability and most appropriate pharmacokinetics for clinical translation will upsurge the success level of early cancer detection and treatment.
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Affiliation(s)
- Tehreem Mumtaz
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Maimoona Qindeel
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Asim Ur Rehman
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Mohamad Tarhini
- Univ Lyon, University Claude Bernard Lyon-1, CNRS, LAGEPP-UMR 5007, F-69622 Lyon, France
| | - Naveed Ahmed
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan.
| | - Abdelhamid Elaissari
- Univ Lyon, University Claude Bernard Lyon-1, CNRS, LAGEPP-UMR 5007, F-69622 Lyon, France.
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Adamopoulos PG, Koukouzeli FΕ, Kontos CK, Scorilas A. Identification of six novel alternative transcripts of the human kallikrein-related peptidase 15 (KLK15), using 3'RACE and high-throughput sequencing. Gene 2020; 749:144708. [PMID: 32334022 DOI: 10.1016/j.gene.2020.144708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 03/31/2020] [Accepted: 04/21/2020] [Indexed: 11/18/2022]
Abstract
The kallikrein-related peptidase 15 (KLK15) gene is a member of the largest cluster of serine proteases in the human genome. Exhibiting trypsin-like activity, KLK15 is most likely involved in the activation of prostate-specific antigen (PSA; also known as KLK3), an established biomarker for the diagnosis and screening of prostate cancer. High mRNA expression levels of KLK15 have already been reported in ovarian and prostate cancer, in contrast with breast cancer, where KLK15 has been proposed as a biomarker of favorable prognosis. In this study, we exploited the next-generation sequencing (NGS) technology along with 3' rapid amplification of cDNA ends (3' RACE) to discover alternative KLK15 splice variants. Extensive computational analysis of the obtained NGS data revealed the existence of novel splice junctions, thus supporting the existence of novel KLK15 transcripts. Six novel KLK15 splice variants were identified and verified by Sanger sequencing. Two of them (KLK15 v.11 and v.12) contain an open reading frame and are hence predicted to encode two novel KLK15 protein isoforms. Expression analysis of each KLK15 splice variant in sixteen cDNA pools from malignant cell lines and in normal cell lines (HEK293, HaCaT, and BJ cells) revealed very different expression profiles of particular KLK15 transcripts. Moreover, the new KLK15 splice variants were shown to be expressed in breast, ovarian, prostate, urinary bladder, colon, and renal tissue specimens. Due to the prominent clinical value of KLK15 mRNA expression, the novel KLK15 transcripts appear as candidate cancer biomarkers for diagnostic and/or prognostic purposes and, therefore, merit further investigation.
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Affiliation(s)
- Panagiotis G Adamopoulos
- Department of Biochemistry and Molecular Biology, National and Kapodistrian University of Athens, 15701 Athens, Greece
| | - Fotini Ε Koukouzeli
- Department of Biochemistry and Molecular Biology, National and Kapodistrian University of Athens, 15701 Athens, Greece
| | - Christos K Kontos
- Department of Biochemistry and Molecular Biology, National and Kapodistrian University of Athens, 15701 Athens, Greece
| | - Andreas Scorilas
- Department of Biochemistry and Molecular Biology, National and Kapodistrian University of Athens, 15701 Athens, Greece.
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40
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Peng Q, Shen Y, Zhao P, Cheng M, Wu Y, Zhu Y. Biomarker implication of kallikrein-related peptidases as prognostic tissue substrates of poor survival in colorectal cancer. Cancer Cell Int 2020; 20:260. [PMID: 32581650 PMCID: PMC7310231 DOI: 10.1186/s12935-020-01350-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 06/15/2020] [Indexed: 12/26/2022] Open
Abstract
Background Recent studies have demonstrated that the kallikrein and kallikrein-related peptidases (KLKs) exhibit aberrant expression in patients with colorectal cancer (CRC) and might be considered as potential prognostic biomarkers of CRC. However, inconsistent findings have been reported, which promote us to summarize the global prognostic roles of KLKs for survival in CRC patients. Methods Eligible published studies were identified by searching electronic databases with several search strategies. The patients’ baseline characteristics and survival results were extracted from enrolled studies and pooled as combined hazard ratio (HR) with 95% confidence interval (95% CI) to estimate the effect size. Results A total of 25 and 22 eligible studies were included in the meta-analysis to evaluate the prognostic roles of KLKs on overall survival (OS) and disease-free survival (DFS), respectively. KLKs overexpression was significantly associated with worse OS (pooled HR = 1.43, 95% CI 1.27–1.60, P < 0.001) and short DFS (pooled HR = 1.35, 95% CI 1.21–1.51, P < 0.001). Importantly, subgroup and meta-regression analyses revealed the survival differences among different races and detection methods of KLKs. Furthermore, several specific members of KLKs were identified to be more significantly related to worse OS and DFS compared with other members. Conclusion The present study demonstrated that KLKs may have the potential to serve as promising biomarkers to monitor CRC prognosis and progression. The promising results concerning the utility of KLKs in clinical practice encourage the further investigation of their clinical utility applicability as tumor markers of CRC.
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Affiliation(s)
- Qiliang Peng
- Department of Radiotherapy & Oncology, The Second Affiliated Hospital of Soochow University, San Xiang Road No. 1055, Suzhou, 215004 Jiangsu China.,Institute of Radiotherapy & Oncology, Soochow University, Suzhou, China
| | - Yi Shen
- Department of Radiation Oncology, The Affiliated Suzhou Science & Technology Town Hospital of Nanjing Medical University, Suzhou, China
| | - Peifeng Zhao
- Department of Radiotherapy & Oncology, The Second Affiliated Hospital of Soochow University, San Xiang Road No. 1055, Suzhou, 215004 Jiangsu China.,Institute of Radiotherapy & Oncology, Soochow University, Suzhou, China
| | - Ming Cheng
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yongyou Wu
- Department of General Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yaqun Zhu
- Department of Radiotherapy & Oncology, The Second Affiliated Hospital of Soochow University, San Xiang Road No. 1055, Suzhou, 215004 Jiangsu China.,Institute of Radiotherapy & Oncology, Soochow University, Suzhou, China
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Kallikrein-Related Peptidase 14 Activates Zymogens of Membrane Type Matrix Metalloproteinases (MT-MMPs)-A CleavEx Based Analysis. Int J Mol Sci 2020; 21:ijms21124383. [PMID: 32575583 PMCID: PMC7352328 DOI: 10.3390/ijms21124383] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/09/2020] [Accepted: 06/17/2020] [Indexed: 01/02/2023] Open
Abstract
Kallikrein-related peptidases (KLKs) and matrix metalloproteinases (MMPs) are secretory proteinases known to proteolytically process components of the extracellular matrix, modulating the pericellular environment in physiology and in pathologies. The interconnection between these families remains elusive. To assess the cross-activation of these families, we developed a peptide, fusion protein-based exposition system (Cleavage of exposed amino acid sequences, CleavEx) aiming at investigating the potential of KLK14 to recognize and hydrolyze proMMP sequences. Initial assessment identified ten MMP activation domain sequences which were validated by Edman degradation. The analysis revealed that membrane-type MMPs (MT-MMPs) are targeted by KLK14 for activation. Correspondingly, proMMP14-17 were investigated in vitro and found to be effectively processed by KLK14. Again, the expected neo-N-termini of the activated MT-MMPs was confirmed by Edman degradation. The effectiveness of proMMP activation was analyzed by gelatin zymography, confirming the release of fully active, mature MT-MMPs upon KLK14 treatment. Lastly, MMP14 was shown to be processed on the cell surface by KLK14 using murine fibroblasts overexpressing human MMP14. Herein, we propose KLK14-mediated selective activation of cell-membrane located MT-MMPs as an additional layer of their regulation. As both, KLKs and MT-MMPs, are implicated in cancer, their cross-activation may constitute an important factor in tumor progression and metastasis.
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Hanke S, Tindall CA, Pippel J, Ulbricht D, Pirotte B, Reboud-Ravaux M, Heiker JT, Sträter N. Structural Studies on the Inhibitory Binding Mode of Aromatic Coumarinic Esters to Human Kallikrein-Related Peptidase 7. J Med Chem 2020; 63:5723-5733. [PMID: 32374603 DOI: 10.1021/acs.jmedchem.9b01806] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The serine protease kallikrein-related peptidase 7 (KLK7) is a member of the human tissue kallikreins. Its dysregulation leads to pathophysiological inflammatory processes in the skin. Furthermore, it plays a role in several types of cancer. For the treatment of KLK7-associated diseases, coumarinic esters have been developed as small-molecule enzyme inhibitors. To characterize the inhibition mode of these inhibitors, we analyzed structures of the inhibited protease by X-ray crystallography. Electron density shows the inhibitors covalently attached to His57 of the catalytic triad. This confirms the irreversible character of the inhibition process. Upon inhibitor binding, His57 undergoes an outward rotation; thus, the catalytic triad of the protease is disrupted. Besides, the halophenyl moiety of the inhibitor was absent in the final enzyme-inhibitor complex due to the hydrolysis of the ester linkage. With these results, we analyze the structural basis of KLK7 inhibition by the covalent attachment of aromatic coumarinic esters.
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Affiliation(s)
- Stefanie Hanke
- Institute of Bioanalytical Chemistry, Center for Biotechnology and Biomedicine, Leipzig University, Deutscher Platz 5, 04103 Leipzig, Germany
| | - Catherine A Tindall
- Institute of Biochemistry, Faculty of Life Sciences, Leipzig University, Brüderstrasse 34, 04103 Leipzig, Germany
| | - Jan Pippel
- Institute of Bioanalytical Chemistry, Center for Biotechnology and Biomedicine, Leipzig University, Deutscher Platz 5, 04103 Leipzig, Germany
| | - David Ulbricht
- Institute of Biochemistry, Faculty of Life Sciences, Leipzig University, Brüderstrasse 34, 04103 Leipzig, Germany
| | - Bernard Pirotte
- Laboratory of Medicinal Chemistry, Center for Interdisciplinary Research on Medicines (CIRM), University Liège, Avenue Hippocrate 15, 4000 Liège, Belgium
| | - Michèle Reboud-Ravaux
- Institut de Biologie Paris Seine (IBPS), Sorbonne Université, CNRS, INSERM, Adaptation biologique et Vieillissement, 7 quai Saint Bernard, 75252 Paris Cedex 05, France
| | - John T Heiker
- Institute of Biochemistry, Faculty of Life Sciences, Leipzig University, Brüderstrasse 34, 04103 Leipzig, Germany.,IFB Adiposity Diseases, Leipzig University, Liebigstr. 19, 04103 Leipzig, Germany.,Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG) of the Helmholtz Zentrum München at Leipzig University and University Hospital Leipzig, Philipp-Rosenthal-Str. 27, 04103 Leipzig, Germany
| | - Norbert Sträter
- Institute of Bioanalytical Chemistry, Center for Biotechnology and Biomedicine, Leipzig University, Deutscher Platz 5, 04103 Leipzig, Germany
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Alhamdow A, Tinnerberg H, Lindh C, Albin M, Broberg K. Cancer-related proteins in serum are altered in workers occupationally exposed to polycyclic aromatic hydrocarbons: a cross-sectional study. Carcinogenesis 2020; 40:771-781. [PMID: 30753342 PMCID: PMC6612054 DOI: 10.1093/carcin/bgz022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 01/04/2019] [Accepted: 02/07/2019] [Indexed: 01/06/2023] Open
Abstract
Exposure to some polycyclic aromatic hydrocarbons (PAH) increases the risk of cancer and is common particularly for workers in occupations such as chimney sweeping. In exposed workers, screening of early cancer-related markers provides important information to identify individuals at risk. Here, we aimed to elucidate the associations between PAH exposure and serum levels of cancer-related proteins in 118 chimney sweeps and 126 occupationally unexposed controls, all non-smoking males from Sweden. Monoydroxylated metabolites of pyrene, phenanthrene, benzo[a]pyrene and benzo[a]anthracene were measured in urine using liquid chromatography coupled to tandem mass spectrometry and 90 cancer-related proteins were measured in serum using a proximity extension assay. Linear regression analysis adjusted for age and body mass index, and false discovery rate (FDR) identified 17 serum proteins that were differentially expressed (16 upregulated and 1 downregulated) in chimney sweeps compared with controls (FDR < 0.05). Concentrations of the peptidase kallikrein 13 (KLK13) showed significant positive associations with urinary concentrations of the PAH metabolites 3-hydroxybenzo[a]pyrene (3-OH-BaP) [B, 95% confidence interval (CI): 0.042, 0.008–0.076] and 3-hydroxybenzo[a]anthracene (3-OH-BaA) (B, 95% CI: 0.068, 0.002–0.134). Moreover, dose–response relationships were observed between KLK13 and 3-OH-BaP (trend test P = 0.027) and 3-OH-BaA (P = 0.035). Pathway and gene ontology analyses showed that cell movement, cell adhesion and cell migration were the predominant molecular functions associated with the top differentially expressed proteins. In conclusion, we found a number of putative cancer-related proteins differentially expressed in workers exposed to PAH. This warrants effective measure to reduce PAH exposure among workers as well as further investigation to confirm these findings.
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Affiliation(s)
- Ayman Alhamdow
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Håkan Tinnerberg
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Christian Lindh
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Maria Albin
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.,Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden.,Centre for Occupational and Environmental Medicine (CAMM), Stockholm County Council, Stockholm, Sweden
| | - Karin Broberg
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.,Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
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Franco-Martínez L, Gelemanović A, Horvatić A, Contreras-Aguilar MD, Dąbrowski R, Mrljak V, Cerón JJ, Martínez-Subiela S, Tvarijonaviciute A. Changes in Serum and Salivary Proteins in Canine Mammary Tumors. Animals (Basel) 2020; 10:E741. [PMID: 32344524 PMCID: PMC7222850 DOI: 10.3390/ani10040741] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/17/2020] [Accepted: 04/21/2020] [Indexed: 01/14/2023] Open
Abstract
The aim of this study was to evaluate changes in serum and saliva proteomes in canine mammary tumors (CMT) using a high-throughput quantitative proteomic analysis in order to potentially discover possible biomarkers of this disease. Proteomes of paired serum and saliva samples from healthy controls (HC group, n = 5) and bitches with CMT (CMT group, n = 5) were analysed using a Tandem Mass Tags-based approach. Twenty-five dogs were used to validate serum albumin as a candidate biomarker in an independent sample set. The proteomic analysis quantified 379 and 730 proteins in serum and saliva, respectively. Of those, 35 proteins in serum and 49 in saliva were differentially represented. The verification of albumin in serum was in concordance with the proteomic data, showing lower levels in CMT when compared to the HC group. Some of the modulated proteins found in the present study such as haptoglobin or S100A4 have been related to CMT or human breast cancer previously, while others such as kallikrein-1 and immunoglobulin gamma-heavy chains A and D are described here for the first time. Our results indicate that saliva and serum proteomes can reflect physiopathological changes that occur in CMT in dogs and can be a potential source of biomarkers of the disease.
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Affiliation(s)
- Lorena Franco-Martínez
- Interdisciplinary Laboratory of Clinical Pathology, Interlab-UMU, University of Murcia, 30100 Murcia, Spain; (L.F.-M.); (M.D.C.-A.); (J.J.C.); (A.T.)
| | - Andrea Gelemanović
- Mediterranean Institute for Life Sciences (MedILS), 21000 Split, Croatia;
| | - Anita Horvatić
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10 000 Zagreb, Croatia; (A.H.); (V.M.)
| | - María Dolores Contreras-Aguilar
- Interdisciplinary Laboratory of Clinical Pathology, Interlab-UMU, University of Murcia, 30100 Murcia, Spain; (L.F.-M.); (M.D.C.-A.); (J.J.C.); (A.T.)
| | - Roman Dąbrowski
- Department and Clinic of Animal Reproduction, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 30 Gleboka St., 20-612 Lublin, Poland;
| | - Vladimir Mrljak
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10 000 Zagreb, Croatia; (A.H.); (V.M.)
| | - José Joaquín Cerón
- Interdisciplinary Laboratory of Clinical Pathology, Interlab-UMU, University of Murcia, 30100 Murcia, Spain; (L.F.-M.); (M.D.C.-A.); (J.J.C.); (A.T.)
| | - Silvia Martínez-Subiela
- Interdisciplinary Laboratory of Clinical Pathology, Interlab-UMU, University of Murcia, 30100 Murcia, Spain; (L.F.-M.); (M.D.C.-A.); (J.J.C.); (A.T.)
| | - Asta Tvarijonaviciute
- Interdisciplinary Laboratory of Clinical Pathology, Interlab-UMU, University of Murcia, 30100 Murcia, Spain; (L.F.-M.); (M.D.C.-A.); (J.J.C.); (A.T.)
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45
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Targeting Tumors Using Peptides. Molecules 2020; 25:molecules25040808. [PMID: 32069856 PMCID: PMC7070747 DOI: 10.3390/molecules25040808] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 02/07/2020] [Accepted: 02/10/2020] [Indexed: 12/16/2022] Open
Abstract
To penetrate solid tumors, low molecular weight (Mw < 10 KDa) compounds have an edge over antibodies: their higher penetration because of their small size. Because of the dense stroma and high interstitial fluid pressure of solid tumors, the penetration of higher Mw compounds is unfavored and being small thus becomes an advantage. This review covers a wide range of peptidic ligands—linear, cyclic, macrocyclic and cyclotidic peptides—to target tumors: We describe the main tools to identify peptides experimentally, such as phage display, and the possible chemical modifications to enhance the properties of the identified peptides. We also review in silico identification of peptides and the most salient non-peptidic ligands in clinical stages. We later focus the attention on the current validated ligands available to target different tumor compartments: blood vessels, extracelullar matrix, and tumor associated macrophages. The clinical advances and failures of these ligands and their therapeutic conjugates will be discussed. We aim to present the reader with the state-of-the-art in targeting tumors, by using low Mw molecules, and the tools to identify new ligands.
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46
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Abstract
Alternative splicing of precursor mRNA is a key mediator of gene expression regulation leading to greater diversity of the proteome in complex organisms. Systematic sequencing of the human genome and transcriptome has led to our understanding of how alternative splicing of critical genes leads to multiple pathological conditions such as cancer. For many years, proteases were known only for their roles as proteolytic enzymes, acting to regulate/process proteins associated with diverse cellular functions. However, the differential expression and altered function of various protease isoforms, such as (i) anti-apoptotic activities, (ii) mediating intercellular adhesion, and (iii) modifying the extracellular matrix, are evidence of their specific contribution towards shaping the tumor microenvironment. Revealing the alternative splicing of protease genes and characterization of their protein products/isoforms with distinct and opposing functions creates a platform to understand how protease isoforms contribute to specific cancer hallmarks. Here, in this review, we address cancer-specific isoforms produced by the alternative splicing of proteases and their distinctive roles in the tumor microenvironment.
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Affiliation(s)
- Chamikara Liyanage
- School of Biomedical Sciences, Faculty of Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia
- Australian Prostate Cancer Research Centre-Queensland (APCRC-Q), Translational Research Institute, Queensland University of Technology, Brisbane, Australia
| | - Achala Fernando
- School of Biomedical Sciences, Faculty of Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia
- Australian Prostate Cancer Research Centre-Queensland (APCRC-Q), Translational Research Institute, Queensland University of Technology, Brisbane, Australia
| | - Jyotsna Batra
- School of Biomedical Sciences, Faculty of Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia.
- Australian Prostate Cancer Research Centre-Queensland (APCRC-Q), Translational Research Institute, Queensland University of Technology, Brisbane, Australia.
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47
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Gong W, Liu Y, Preis S, Geng X, Petit-Courty A, Kiechle M, Muckenhuber A, Dreyer T, Dorn J, Courty Y, Magdolen V. Prognostic value of kallikrein-related peptidase 12 (KLK12) mRNA expression in triple-negative breast cancer patients. Mol Med 2020; 26:19. [PMID: 32028882 PMCID: PMC7006133 DOI: 10.1186/s10020-020-0145-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 01/28/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND The serine protease KLK12 belongs to the human fifteen-member family of kallikrein-related peptidases. Differential expression accompanied by either increased or decreased enzymatic activity has been linked to several diseases including cancer. Triple-negative breast cancer (TNBC) represents a very aggressive subgroup of breast cancer with high tumor recurrence rates and poor patient prognosis. Here, we quantified the KLK12 mRNA expression levels in tumor tissue of TNBC patients and analyzed their prognostic value. METHODS In the present study, KLK12 mRNA expression in tumor tissue of TNBC patients (n = 116) was determined by quantitative real-time PCR assay. The association of KLK12 mRNA levels with clinical parameters, and patients' outcome was analyzed using Chi-square tests, Cox regression models and Kaplan-Meier survival analysis. RESULTS Positive, but low KLK12 mRNA levels were detected in about half of the cases (54 out of 116; 47%), the other samples were negative for KLK12 mRNA expression. No significant association was observed between KLK12 mRNA levels and clinicopathological variables (age, lymph node status, tumor size, and histological grade). In univariate Cox analyses, positive KLK12 mRNA expression was significantly associated with shortened disease-free survival (DFS; hazard ratio [HR] = 2.12, 95% CI = 1.19-3.78, p = 0.010) as well as overall survival (OS; HR = 1.91, 95% CI = 1.04-3.50, p = 0.037). In multivariable Cox analysis, including all clinical parameters plus KLK12 mRNA, the latter - together with age - remained an independent unfavorable predictive marker for DFS (HR = 2.33, 95% CI = 1.28-4.24, p = 0.006) and showed a trend towards significance in case of OS (HR = 1.80, 95% CI = 0.96-3.38, p = 0.066). CONCLUSIONS Positive KLK12 expression is remarkably associated with shortened DFS and OS, suggesting that KLK12 plays a tumor-supporting role in TNBC.
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Affiliation(s)
- Weiwei Gong
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, Ismaninger Str. 22, 81576, Munich, Germany
| | - Yueyang Liu
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, Ismaninger Str. 22, 81576, Munich, Germany.,Department of Gynecology, Guangdong Provincial People's Hospital and Guangdong Academy of Medical Sciences, Guangzhou, People's Republic of China
| | - Sarah Preis
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, Ismaninger Str. 22, 81576, Munich, Germany
| | - Xiaocong Geng
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, Ismaninger Str. 22, 81576, Munich, Germany
| | - Agnes Petit-Courty
- INSERM, U1100 - Centre d'Etude des Pathologies Respiratoires, Tours, France
| | - Marion Kiechle
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, Ismaninger Str. 22, 81576, Munich, Germany
| | | | - Tobias Dreyer
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, Ismaninger Str. 22, 81576, Munich, Germany
| | - Julia Dorn
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, Ismaninger Str. 22, 81576, Munich, Germany
| | - Yves Courty
- INSERM, U1100 - Centre d'Etude des Pathologies Respiratoires, Tours, France
| | - Viktor Magdolen
- Clinical Research Unit, Department of Obstetrics and Gynecology, Technical University of Munich, Ismaninger Str. 22, 81576, Munich, Germany.
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Filippou PS, Ren AH, Soosaipillai A, Safar R, Prassas I, Diamandis EP, Conner JR. Kallikrein-related peptidases protein expression in lymphoid tissues suggests potential implications in immune response. Clin Biochem 2020; 77:41-47. [PMID: 31904348 DOI: 10.1016/j.clinbiochem.2019.12.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 12/02/2019] [Accepted: 12/27/2019] [Indexed: 12/29/2022]
Abstract
OBJECTIVES Kallikrein-related peptidases (KLKs) are a subgroup of 15 secreted chymotrypsin- and trypsin-like serine proteases that have been reported to possess novel functions in innate immunity and inflammation. Since the potential role of KLKs in immunity has not been studied in detail at the protein level, we examined the expression pattern of 12 members of the KLK family in immune-related tissues. DESIGN & METHODS Protein expression in tissue extracts was evaluated using immunoassays (ELISA). Immunohistochemistry (IHC) was performed on representative sections of tonsil and lymph nodes to determine the cellular localization of the KLK family members. RESULTS ELISA profiling of KLK3-KLK15 (except KLK12) revealed higher protein levels in the tonsil, compared to the lymph nodes and spleen. Relatively high protein levels in the tonsil were observed for KLK7, KLK9, KLK10 and KLK13. Expression of these KLKs was significantly lower in lymph nodes and spleen. IHC analysis in tonsil unveiled that KLK9 and KLK10 were differentially expressed in lymphoid cells. KLK9 was strongly expressed in the germinal center of lymphoid follicles where activated B-cells reside, whereas KLK10 was expressed in the follicular dendritic cells (FDCs) that are vital for maintaining the cycle of B cell maturation. CONCLUSION Overall, our study revealed the possible implications of KLK expression and regulation in the immune cells of lymphoid tissues.
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Affiliation(s)
- Panagiota S Filippou
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada; Department of Clinical Biochemistry, University Health Network, Toronto, Canada
| | - Annie H Ren
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada; Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Canada
| | | | - Roaa Safar
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Canada
| | - Ioannis Prassas
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, Canada
| | - Eleftherios P Diamandis
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada; Department of Clinical Biochemistry, University Health Network, Toronto, Canada; Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Canada; Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, Canada
| | - James R Conner
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada; Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, Canada.
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49
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Tommasi C, Rogerson C, Depledge DP, Jones M, Naeem AS, Venturini C, Frampton D, Tutill HJ, Way B, Breuer J, O'Shaughnessy RFL. Kallikrein-Mediated Cytokeratin 10 Degradation Is Required for Varicella Zoster Virus Propagation in Skin. J Invest Dermatol 2019; 140:774-784.e11. [PMID: 31626786 DOI: 10.1016/j.jid.2019.08.448] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 08/29/2019] [Accepted: 08/29/2019] [Indexed: 11/30/2022]
Abstract
Varicella zoster virus (VZV) is a skin-tropic virus that infects epidermal keratinocytes and causes chickenpox. Although common, VZV infection can be life-threatening, particularly in the immunocompromized. Therefore, understanding VZV-keratinocyte interactions is important to find new treatments beyond vaccination and antiviral drugs. In VZV-infected skin, kallikrein 6 and the ubiquitin ligase MDM2 are upregulated concomitant with keratin 10 (KRT10) downregulation. MDM2 binds to KRT10, targeting it for degradation via the ubiquitin-proteasome pathway. Preventing KRT10 degradation reduced VZV propagation in culture and prevented epidermal disruption in skin explants. KRT10 knockdown induced expression of NR4A1 and enhanced viral propagation in culture. NR4A1 knockdown prevented viral propagation in culture, reduced LC3 levels, and increased LAMP2 expression. We therefore describe a drug-able pathway whereby MDM2 ubiquitinates and degrades KRT10, increasing NR4A1 expression and allowing VZV replication and propagation.
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Affiliation(s)
- Cristina Tommasi
- Livingstone Skin Research Centre, Immunobiology and Dermatology, University College London Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Clare Rogerson
- Centre for Cell Biology and Cutaneous Research, Queen Mary University of London, London, United Kingdom
| | - Daniel P Depledge
- Infection and Immunity, University College London, London, United Kingdom; Department of Microbiology, New York University, New York, New York
| | - Meleri Jones
- Centre for Cell Biology and Cutaneous Research, Queen Mary University of London, London, United Kingdom; Infection and Immunity, University College London, London, United Kingdom
| | - Aishath S Naeem
- Livingstone Skin Research Centre, Immunobiology and Dermatology, University College London Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Cristina Venturini
- Infection and Immunity, University College London, London, United Kingdom
| | - Dan Frampton
- Infection and Immunity, University College London, London, United Kingdom
| | - Helena J Tutill
- Infection and Immunity, University College London, London, United Kingdom
| | - Benjamin Way
- Livingstone Skin Research Centre, Immunobiology and Dermatology, University College London Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Judith Breuer
- Infection and Immunity, University College London, London, United Kingdom
| | - Ryan F L O'Shaughnessy
- Livingstone Skin Research Centre, Immunobiology and Dermatology, University College London Great Ormond Street Institute of Child Health, London, United Kingdom; Centre for Cell Biology and Cutaneous Research, Queen Mary University of London, London, United Kingdom.
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50
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Singh A, Gupta S, Sachan M. Epigenetic Biomarkers in the Management of Ovarian Cancer: Current Prospectives. Front Cell Dev Biol 2019; 7:182. [PMID: 31608277 PMCID: PMC6761254 DOI: 10.3389/fcell.2019.00182] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 08/19/2019] [Indexed: 12/15/2022] Open
Abstract
Ovarian cancer (OC) causes significant morbidity and mortality as neither detection nor screening of OC is currently feasible at an early stage. Difficulty to promptly diagnose OC in its early stage remains challenging due to non-specific symptoms in the early-stage of the disease, their presentation at an advanced stage and poor survival. Therefore, improved detection methods are urgently needed. In this article, we summarize the potential clinical utility of epigenetic signatures like DNA methylation, histone modifications, and microRNA dysregulation, which play important role in ovarian carcinogenesis and discuss its application in development of diagnostic, prognostic, and predictive biomarkers. Molecular characterization of epigenetic modification (methylation) in circulating cell free tumor DNA in body fluids offers novel, non-invasive approach for identification of potential promising cancer biomarkers, which can be performed at multiple time points and probably better reflects the prevailing molecular profile of cancer. Current status of epigenetic research in diagnosis of early OC and its management are discussed here with main focus on potential diagnostic biomarkers in tissue and body fluids. Rapid and point of care diagnostic applications of DNA methylation in liquid biopsy has been precluded as a result of cumbersome sample preparation with complicated conventional methods of isolation. New technologies which allow rapid identification of methylation signatures directly from blood will facilitate sample-to answer solutions thereby enabling next-generation point of care molecular diagnostics. To date, not a single epigenetic biomarker which could accurately detect ovarian cancer at an early stage in either tissue or body fluid has been reported. Taken together, the methodological drawbacks, heterogeneity associated with ovarian cancer and non-validation of the clinical utility of reported potential biomarkers in larger ovarian cancer populations has impeded the transition of epigenetic biomarkers from lab to clinical settings. Until addressed, clinical implementation as a diagnostic measure is a far way to go.
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Affiliation(s)
- Alka Singh
- Department of Biotechnology, Motilal Nehru National Institute of Technology, Allahabad, India
| | - Sameer Gupta
- Department of Surgical Oncology, King George Medical University, Lucknow, India
| | - Manisha Sachan
- Department of Biotechnology, Motilal Nehru National Institute of Technology, Allahabad, India
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