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Xie C, Huang Q, Liu Y. Utility of peripheral blood macrophage factor Apo10 and TKTL1 as markers in distinguishing malignant from benign lung nodules: a protocol for a prospective cohort study in Southern China. BMJ Open 2023; 13:e076573. [PMID: 37914307 PMCID: PMC10626805 DOI: 10.1136/bmjopen-2023-076573] [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: 06/11/2023] [Accepted: 09/13/2023] [Indexed: 11/03/2023] Open
Abstract
INTRODUCTION Lung nodules are one of the most prevalent diseases. Medical imaging methods have a high false positive rate for distinguishing malignant nodules from benign nodules. Therefore, developing new technologies with high accuracy for screening malignant nodules is of great importance for lung nodule surveillance. Use of flow cytometry to detect biomarkers in blood macrophages (epitop detect in macrophages/macrophages) has opened a new era for early and noninvasive diagnosis of cancer. This planned study aims to examine whether the peripheral blood macrophage factors Apo10 and TKTL1 accurately distinguish malignant nodules from benign nodules. METHODS AND ANALYSES We plan to enrol in this study 3825 participants with lung nodules who will attend their annual physical examination at Sun Yat-sen University Cancer Center. Apo10 and TKTL1 levels in all patients will be tested at 60 min after their last meal every 6 months during their 3-year follow-up. Biopsy or surgical pathology results will be collected as the gold standard to assess the accuracy of Apo10 and TKTL1 in distinguishing malignant nodules from benign nodules. The sensitivity, specificity, positive predictive value, negative predictive value and area under the receiving operating characteristic curve will also be evaluated. ETHICS AND DISSEMINATION The study is approved by the medical ethics committee of Sun Yat-sen University (SL-G2022-005-02). The results of this study will be disseminated in peer-reviewed publications and presentations at international scientific meetings and will also be disseminated to the participants. TRIAL REGISTRATION NUMBER ChiCTR2300073823; Pre-results.
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Affiliation(s)
- Chuanbo Xie
- Cancer Prevention Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Qiyu Huang
- School of Public Health, Guangxi Medical University, Nanning, China
| | - Yuying Liu
- Cancer Prevention Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
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Burg S, Smeets R, Gosau M, Failing K, Grust ALC. Case Report: Early detection of lung carcinoid in an asymptomatic individual by blood-test initiated PET-CT imaging. Front Oncol 2023; 13:1177237. [PMID: 37346076 PMCID: PMC10280377 DOI: 10.3389/fonc.2023.1177237] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 05/19/2023] [Indexed: 06/23/2023] Open
Abstract
We present the case of a 53-year-old woman who was diagnosed with early-stage lung cancer by targeted cancer screening consisting of an immunological biopsy-based blood test followed by radiological imaging. The PanTum Detect blood test detects the biomarkers Apo10/DNaseX and Transketolase-like 1 (TKTL1) in circulating macrophage-like cells from peripheral blood samples to identify asymptomatic individuals with a high risk for malignancy. The elevated blood test values initiated an 18F-FDG PET/CT visualization for further clarification. In this case, imaging indicated a lung carcinoma in the right upper lobe. A biopsy confirmed the presence of a lung carcinoma, which was removed surgically. Histologic examination revealed a typical I A2 carcinoid, which was completely removed, making further therapy obsolete.
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Affiliation(s)
- Simon Burg
- Department of Oral and Maxillofacial Surgery, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Ralf Smeets
- Department of Oral and Maxillofacial Surgery, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
- Department of Oral and Maxillofacial Surgery, Division of “Regenerative Orofacial Medicine”, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Martin Gosau
- Department of Oral and Maxillofacial Surgery, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | | | - Audrey Laure Céline Grust
- Department of Oral and Maxillofacial Surgery, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
- Department of Oral and Maxillofacial Surgery, Division of “Regenerative Orofacial Medicine”, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
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Brito-Rocha T, Constâncio V, Henrique R, Jerónimo C. Shifting the Cancer Screening Paradigm: The Rising Potential of Blood-Based Multi-Cancer Early Detection Tests. Cells 2023; 12:cells12060935. [PMID: 36980276 PMCID: PMC10047029 DOI: 10.3390/cells12060935] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
Cancer remains a leading cause of death worldwide, partly owing to late detection which entails limited and often ineffective therapeutic options. Most cancers lack validated screening procedures, and the ones available disclose several drawbacks, leading to low patient compliance and unnecessary workups, adding up the costs to healthcare systems. Hence, there is a great need for innovative, accurate, and minimally invasive tools for early cancer detection. In recent years, multi-cancer early detection (MCED) tests emerged as a promising screening tool, combining molecular analysis of tumor-related markers present in body fluids with artificial intelligence to simultaneously detect a variety of cancers and further discriminate the underlying cancer type. Herein, we aim to provide a highlight of the variety of strategies currently under development concerning MCED, as well as the major factors which are preventing clinical implementation. Although MCED tests depict great potential for clinical application, large-scale clinical validation studies are still lacking.
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Affiliation(s)
- Tiago Brito-Rocha
- Cancer Biology and Epigenetics Group, Research Center (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto)/Porto Comprehensive Cancer Center Raquel Seruca (P.CCC), Rua Dr. António Bernardino de Almeida, 4200-072 Porto, Portugal
- Master Program in Oncology, School of Medicine & Biomedical Sciences, University of Porto (ICBAS-UP), Rua Jorge Viterbo Ferreira 228, 4050-513 Porto, Portugal
| | - Vera Constâncio
- Cancer Biology and Epigenetics Group, Research Center (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto)/Porto Comprehensive Cancer Center Raquel Seruca (P.CCC), Rua Dr. António Bernardino de Almeida, 4200-072 Porto, Portugal
- Doctoral Program in Biomedical Sciences, School of Medicine & Biomedical Sciences, University of Porto (ICBAS-UP), Rua Jorge Viterbo Ferreira 228, 4050-513 Porto, Portugal
| | - Rui Henrique
- Cancer Biology and Epigenetics Group, Research Center (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto)/Porto Comprehensive Cancer Center Raquel Seruca (P.CCC), Rua Dr. António Bernardino de Almeida, 4200-072 Porto, Portugal
- Department of Pathology, Portuguese Oncology Institute of Porto (IPO-Porto), Rua Dr. António Bernardino de Almeida, 4200-072 Porto, Portugal
- Department of Pathology and Molecular Immunology, School of Medicine & Biomedical Sciences, University of Porto (ICBAS-UP), Rua Jorge Viterbo Ferreira 228, 4050-513 Porto, Portugal
| | - Carmen Jerónimo
- Cancer Biology and Epigenetics Group, Research Center (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO-Porto)/Porto Comprehensive Cancer Center Raquel Seruca (P.CCC), Rua Dr. António Bernardino de Almeida, 4200-072 Porto, Portugal
- Department of Pathology and Molecular Immunology, School of Medicine & Biomedical Sciences, University of Porto (ICBAS-UP), Rua Jorge Viterbo Ferreira 228, 4050-513 Porto, Portugal
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Epitope Detection in Monocytes (EDIM) As a New Method of Liquid Biopsy in Pediatric Rhabdomyosarcoma. Biomedicines 2022; 10:biomedicines10081812. [PMID: 36009359 PMCID: PMC9404738 DOI: 10.3390/biomedicines10081812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 07/20/2022] [Accepted: 07/26/2022] [Indexed: 11/16/2022] Open
Abstract
Biomarkers allowing characterization of pediatric rhabdomyosarcoma (RMS) are lacking. Epitope detection in monocytes (EDIM) is a novel method focused on detection of the biomarkers TKTL1 (transketolase-like protein 1) and Apo10 (epitope of DNaseX) in activated monocytes (CD14+/CD16+) from patient’s blood. We investigated the expression of these biomarkers in RMS cell lines, tumor material, and peripheral blood from RMS patients. Expression levels of TKTL1 and DNaseX/Apo10 in RMS cell lines (RH30, RD) and tumor samples were analyzed by RT-PCR and flow cytometry. Blood samples of 29 RMS patients were measured and compared to 27 healthy individuals. The percentages of activated CD14+/CD16+ monocytes harboring TKTL1 and Apo10 were determined. EDIM-TKTL1 and EDIM-Apo10 expression scores were calculated. The relationship between TKTL1 expression and DNA-hypomethylation was evaluated. Both RMS cell lines and tumor samples showed significantly higher expression levels of TKTL1 and DNaseX/Apo10 compared to skeletal muscle cells (SkMC). EDIM-TKTL1 and EDIM-Apo10 scores were positive in 96.5% of patients with RMS. All healthy controls had negative corresponding scores. RMS cell lines show increased expression levels of the biomarkers TKTL1 and DNaseX/Apo10. The sensitivity of the EDIM blood test indicates that this assay might serve as an additional tool in pediatric RMS.
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Stagno MJ, Schmidt A, Bochem J, Urla C, Handgretinger R, Cabanillas Stanchi KM, Saup R, Queudeville M, Fuchs J, Warmann SW, Schmid E. Epitope detection in monocytes (EDIM) for liquid biopsy including identification of GD2 in childhood neuroblastoma-a pilot study. Br J Cancer 2022; 127:1324-1331. [PMID: 35864157 PMCID: PMC9519569 DOI: 10.1038/s41416-022-01855-x] [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: 08/14/2020] [Revised: 04/21/2022] [Accepted: 05/09/2022] [Indexed: 12/02/2022] Open
Abstract
Background Neuroblastoma (NB) is the most common paediatric extracranial solid malignancy. We analysed the role of the epitope detection in monocytes (EDIM) technique for liquid biopsy in NB patients. Methods Tumour epitopes transketolase-like 1 (TKTL1), Apo10 (DNaseX) and GD2 were assessed: expression levels in seven NB tumour samples and five NB cell lines were analysed using RT-PCR and flow cytometry. LAN-1 cells were co-cultured with blood and assessed using EDIM. Peripheral blood macrophages of patients with neuroblastoma (n = 38) and healthy individuals (control group, n = 37) were labelled (CD14+/CD16+) and assessed for TKTL1, Apo10 and GD2 using the EDIM technology. Results mRNA expression of TKTL1 and DNaseX/Apo10 was elevated in 6/7 NB samples. Spike experiments showed upregulation of TKTL1, Apo10 and GD2 in LAN-1 cells following co-culturing with blood. TKTL1 and Apo10 were present in macrophages of 36/38 patients, and GD2 in 15/19 patients. The 37 control samples were all negative. EDIM expression scores of the three epitopes allowed differentiation between NB patients and healthy individuals. Conclusions The EDIM test might serve as a non-invasive tool for liquid biopsy in children suffering from NB. Future studies are necessary for assessing risk stratification, tumour biology, treatment monitoring, and early detection of tumour relapses.
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Affiliation(s)
- Matias J Stagno
- Department of Pediatric Surgery & Pediatric Urology, Children's Hospital, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
| | - Andreas Schmidt
- Department of Pediatric Surgery & Pediatric Urology, Children's Hospital, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
| | - Jonas Bochem
- Department of Pediatric Surgery & Pediatric Urology, Children's Hospital, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
| | - Cristian Urla
- Department of Pediatric Surgery & Pediatric Urology, Children's Hospital, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
| | - Rupert Handgretinger
- Department of Haematology and Oncology, Children's Hospital, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
| | - Karin M Cabanillas Stanchi
- Department of Haematology and Oncology, Children's Hospital, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
| | - Rafael Saup
- Department of Pediatric Surgery & Pediatric Urology, Children's Hospital, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
| | - Manon Queudeville
- Department of Haematology and Oncology, Children's Hospital, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
| | - Jörg Fuchs
- Department of Pediatric Surgery & Pediatric Urology, Children's Hospital, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
| | - Steven W Warmann
- Department of Pediatric Surgery & Pediatric Urology, Children's Hospital, Eberhard-Karls-University Tuebingen, Tuebingen, Germany
| | - Evi Schmid
- Department of Pediatric Surgery & Pediatric Urology, Children's Hospital, Eberhard-Karls-University Tuebingen, Tuebingen, Germany.
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Van Gool SW, Makalowski J, Bonner ER, Feyen O, Domogalla MP, Prix L, Schirrmacher V, Nazarian J, Stuecker W. Addition of Multimodal Immunotherapy to Combination Treatment Strategies for Children with DIPG: A Single Institution Experience. MEDICINES 2020; 7:medicines7050029. [PMID: 32438648 PMCID: PMC7281768 DOI: 10.3390/medicines7050029] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 05/11/2020] [Accepted: 05/13/2020] [Indexed: 01/29/2023]
Abstract
Background: The prognosis of children with diffuse intrinsic pontine glioma (DIPG) remains dismal despite radio- and chemotherapy or molecular-targeted therapy. Immunotherapy is a powerful and promising approach for improving the overall survival (OS) of children with DIPG. Methods: A retrospective analysis for feasibility, immune responsiveness, and OS was performed on 41 children treated in compassionate use with multimodal therapy consisting of Newcastle disease virus, hyperthermia, and autologous dendritic cell vaccines as part of an individualized combinatorial treatment approach for DIPG patients. Results: Patients were treated at diagnosis (n = 28) or at the time of progression (n = 13). In the case of 16 patients, histone H3K27M mutation was confirmed by analysis of biopsy (n = 9) or liquid biopsy (n = 9) specimens. PDL1 mRNA expression was detected in circulating tumor cells of ten patients at diagnosis. Multimodal immunotherapy was feasible as scheduled, until progression, in all patients without major toxicity. When immunotherapy was part of primary treatment, median PFS and OS were 8.4 m and 14.4 m from the time of diagnosis, respectively, with a 2-year OS of 10.7%. When immunotherapy was given at the time of progression, median PFS and OS were 6.5 m and 9.1 m, respectively. A longer OS was associated with a Th1 shift and rise in PanTum Detect test scores. Conclusions: Multimodal immunotherapy is feasible without major toxicity, and warrants further investigation as part of a combinatorial treatment approach for children diagnosed with DIPG.
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Affiliation(s)
- Stefaan W. Van Gool
- Immun-Onkologisches Zentrum Köln, Hohenstaufenring 30-32, 50674 Köln, Germany; (J.M.); (M.P.D.); (V.S.); (W.S.)
- Correspondence: ; Tel.: +49-221-420-39925
| | - Jennifer Makalowski
- Immun-Onkologisches Zentrum Köln, Hohenstaufenring 30-32, 50674 Köln, Germany; (J.M.); (M.P.D.); (V.S.); (W.S.)
| | - Erin R. Bonner
- Center for Genetic Medicine, Children’s National Health System, Washington, DC 20010, USA;
- Institute for Biomedical Sciences, The George Washington University School of Medicine and health Sciences, Washington, DC 20052, USA
| | - Oliver Feyen
- Zyagnum, Reißstrasse 1, 64319 Pfungstadt, Germany;
| | - Matthias P. Domogalla
- Immun-Onkologisches Zentrum Köln, Hohenstaufenring 30-32, 50674 Köln, Germany; (J.M.); (M.P.D.); (V.S.); (W.S.)
| | - Lothar Prix
- Biofocus, Berghäuser Strasse 295, 45659 Recklinghausen, Germany;
| | - Volker Schirrmacher
- Immun-Onkologisches Zentrum Köln, Hohenstaufenring 30-32, 50674 Köln, Germany; (J.M.); (M.P.D.); (V.S.); (W.S.)
| | - Javad Nazarian
- DIPG Research Institute, Universitäts-Kinderspital Zürich; Steinwiesstrasse 75, Ch-8032 Zürich, Switzerland;
| | - Wilfried Stuecker
- Immun-Onkologisches Zentrum Köln, Hohenstaufenring 30-32, 50674 Köln, Germany; (J.M.); (M.P.D.); (V.S.); (W.S.)
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Saman S, Stagno M, Warmann S, Malek N, Plentz R, Schmid E. Biomarkers Apo10 and TKTL1: Epitope-detection in monocytes (EDIM) as a new diagnostic approach for cholangiocellular, pancreatic and colorectal carcinoma. Cancer Biomark 2020; 27:129-137. [PMID: 31771043 PMCID: PMC7029314 DOI: 10.3233/cbm-190414] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVE The EDIM (Epitope detection in monocytes) blood test is based on two biomarkers Apo10 and TKTL1. Apo10 is responsible for cell proliferation and resistance to apoptosis. TKTL1 plays a major role in anaerobic glycolysis of tumor cells, leading to destruction of the basal membrane and metastasis as well as in controlling cell cycle. For the first time we analyzed Apo10 and TKLT1 in patients with cholangiocellular (CCC), pancreatic (PC), and colorectal carcinoma (CRC). METHODS Blood samples of 62 patients with CCC, PC, and CRC were measured and compared to 29 control patients. We also investigated 13 patients with inflammatory conditions, because elevated TKTL1 and Apo10 have been previously described in affected individuals. Flow cytometry was used to detect surface antigens CD14+/CD16+ (activated monocytes/macrophages). Percentages of macrophages harboring TKTL1 and Apo10 were determined. A combined EDIM score (EDIM-CS: TKTL1 plus Apo10) was calculated. Results were correlated with serum tumor markers CEA and CA19-9. RESULTS Patients with CCC had 100% positive EDIM-CS but CEA and CA19-9 were positive in only 22.2% and 70%, respectively. Patients with PC had 100% positive EDIM-CS but positive tumor markers in only 37.5% (CEA) and 72.7% (CA19-9). Patients with CRC had 100% positive EDIM-CS but only 50% positive CEA. EDIM-CS was positive in 100% (62/62) of all cancer patients and in 0% of healthy individuals. Of the individuals with inflammation, 7.7% had a positive EDIM-CS. CONCLUSION The sensitivity of the EDIM blood test and the comparison with traditional tumor markers indicate that this new test might improve the detection of carcinomas (CCC, PC and, CRC) and might be relevant for the diagnosis of all tumor entities.
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Affiliation(s)
- S. Saman
- Medical Clinic, Eberhard-Karls-University Hospital of Tuebingen, Tuebingen, Germany
| | - M.J. Stagno
- Department of Pediatric Surgery and Pediatric Urology, Children’s Hospital, Eberhard-Karls-University Hospital of Tuebingen, Tuebingen, Germany
| | - S.W. Warmann
- Department of Pediatric Surgery and Pediatric Urology, Children’s Hospital, Eberhard-Karls-University Hospital of Tuebingen, Tuebingen, Germany
| | - N.P. Malek
- Medical Clinic, Eberhard-Karls-University Hospital of Tuebingen, Tuebingen, Germany
| | - R.R. Plentz
- Medical Clinic, Eberhard-Karls-University Hospital of Tuebingen, Tuebingen, Germany
- Klinikum Bremen Nord, Department of Gastroenterology, Oncology and Diabetology, Bremen
| | - E. Schmid
- Department of Pediatric Surgery and Pediatric Urology, Children’s Hospital, Eberhard-Karls-University Hospital of Tuebingen, Tuebingen, Germany
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da Costa IA, Hennenlotter J, Stühler V, Kühs U, Scharpf M, Todenhöfer T, Stenzl A, Bedke J. Transketolase like 1 (TKTL1) expression alterations in prostate cancer tumorigenesis. Urol Oncol 2018; 36:472.e21-472.e27. [PMID: 30119993 DOI: 10.1016/j.urolonc.2018.06.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 06/01/2018] [Accepted: 06/19/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND Prostate cancer (CaP) is the most common nonepidermal cancer in elderly males. Due to its heterogeneity and high variability in regards to clinical outcome and therapeutic response, urologists' handling of this disease remains a challenge. The objective of this study was to assess Transketolase like 1 (TKTL1) expression in benign prostatic tissue, peritumoral tissue and in CaP (in different stages of disease), and its correlation with clinicopathological findings, in order to detect if TKTL1 expression is associated with CaP tumorigenesis. METHODS In total, 100 tissue samples were included: (i) 22 benign specimens, (ii) 46 specimens with nonmetastatic CaP, and (iii) 32 specimens from patients with metastatic CaP. From the tissue microarray slides, we evaluated immunohistochemically the expression of the TKTL1 protein, using the H-score. RESULTS The TKTL1 protein expression pattern ranges from a low level in benign prostatic tissue (100 [57.5-105]), moderately low in peritumoral tissue (135.42 [100-195.16]), moderate expression in nonmetastatic CaP (200 [172.19-254.38]) to high in metastatic CaP (300 [222.50-300]). A significant rise of TKTL1 mean expression was seen throughout disease progression. A significant difference was also found in TKTL1 expression between peritumoral tissue and benign tissue. CONCLUSION The results obtained in this study suggest that pentose phosphate pathway and its key enzyme TKTL1 is altered throughout the CaP tumorigenesis, and this pathway merits further investigation.
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Affiliation(s)
| | - Jörg Hennenlotter
- Department of Urology, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
| | - Viktoria Stühler
- Department of Urology, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
| | - Ursula Kühs
- Department of Urology, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
| | - Marcus Scharpf
- Department of Pathology, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
| | - Tilman Todenhöfer
- Department of Urology, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
| | - Arnulf Stenzl
- Department of Urology, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
| | - Jens Bedke
- Department of Urology, Eberhard Karls University Tübingen, 72076 Tübingen, Germany.
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A key role for transketolase-like 1 in tumor metabolic reprogramming. Oncotarget 2018; 7:51875-51897. [PMID: 27391434 PMCID: PMC5239521 DOI: 10.18632/oncotarget.10429] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Accepted: 06/13/2016] [Indexed: 12/15/2022] Open
Abstract
Metabolic reprogramming, a crucial cancer hallmark, shifts metabolic pathways such as glycolysis, tricarboxylic acid cycle or lipogenesis, to enable the growth characteristics of cancer cells. Here, we provide evidence that transketolase-like 1 (TKTL1) orchestrates aerobic glycolysis, fatty acid and nucleic acid synthesis, glutamine metabolism, protection against oxidative stress and cell proliferation. Furthermore, silencing of TKTL1 reduced the levels of sphingolipids such as lactosylceramide (a sphingolipid regulating cell survival, proliferation and angiogenesis) and phosphatidylinositol (which activates PI3K/Akt/mTOR signaling). Thus, in addition to its well-known roles in glucose and amino acid metabolism, TKTL1 also regulates lipid metabolism. In conclusion, our study provides unprecedented evidence that TKTL1 plays central roles in major metabolic processes subject to reprogramming in cancer cells and thus identifies TKTL1 as a promising target for new anti-cancer therapies.
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Todenhöfer T, Hennenlotter J, Keller G, Neumann T, Stenzl A, Bedke J. Effect of radical prostatectomy on levels of cancer related epitopes in circulating macrophages of patients with clinically localized prostate cancer. Prostate 2017; 77:1251-1258. [PMID: 28726251 DOI: 10.1002/pros.23384] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Accepted: 06/22/2017] [Indexed: 11/10/2022]
Abstract
OBJECTIVE Epitopes of the apoptosis related protein DNaseX (Apo10) and the pentose-phosphate-pathway associated protein transketolase-like 1 (TKTL1) have been shown to be increased in circulating macrophages of patients with different cancer types including prostate cancer (PC). So far, the effect of cancer-specific therapies on the levels of these markers in blood samples of patients with PC has not been evaluated yet. The aim of the present study was to prospectively assess the effect of surgical removal of the prostate on levels of Apo10 and TKTL1 in blood macrophages using Epitope Detection In Monocytes (EDIM). METHODS We prospectively enrolled 174 patients with clinically localized PC undergoing radical prostatectomy. Peripheral blood was collected preoperatively in all patients and postoperatively in a subgroup of 72 patients. We separately assessed the proportion of CD14/CD16-positive monocytes expressing Apo10 and TKTL1 using flow cytometry. The proportion of positive cells was multiplied by ten to generate a score for Apo10 and TKTL1, separately. Pre- and postoperative scores of Apo10 and TKTL1 were compared. Moreover, results were correlated with clinicopathologic parameters. RESULTS In the total cohort, Median preoperative Apo10 and TKTL1 scores were 136 (Range 101-254) and 139 (102-216). In patients who underwent blood collection and testing either pre- and postoperatively (n = 72), median pre- versus postoperative scores were 132 (101-215) versus 103 (70-156) for Apo10 (P < 0.0001) and 140 (102-212) versus 115 (84-187) (P < 0.0001) for TKTL1. Following radical prostatectomy, 56 (77.7%) and 59 (81.9%) patients in the cohort of patients with blood collection before and after prostatectomy showed a decrease of Apo10 and TKTL1 expressing monocytes. TKTL1 and Apo10 did not show any correlation with known histopathologic and clinical risk parameters. CONCLUSIONS The present study demonstrates that surgical removal of the primary tumor leads to a significant decrease of Apo10 and TKTL1 expressing macrophages. This observation further encourages studies assessing the optimal clinical utility of EDIM-based detection of Apo10 and TKTL1 in patients with PC.
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Affiliation(s)
| | | | - Gabriel Keller
- Department of Urology, University Hospital, Tübingen, Germany
| | - Tim Neumann
- Department of Urology, University Hospital, Tübingen, Germany
| | - Arnulf Stenzl
- Department of Urology, University Hospital, Tübingen, Germany
| | - Jens Bedke
- Department of Urology, University Hospital, Tübingen, Germany
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EDIM-TKTL1/Apo10 Blood Test: An Innate Immune System Based Liquid Biopsy for the Early Detection, Characterization and Targeted Treatment of Cancer. Int J Mol Sci 2017; 18:ijms18040878. [PMID: 28425973 PMCID: PMC5412459 DOI: 10.3390/ijms18040878] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 04/14/2017] [Accepted: 04/17/2017] [Indexed: 12/17/2022] Open
Abstract
Epitope detection in monocytes (EDIM) represents a liquid biopsy exploiting the innate immune system. Activated monocytes (macrophages) phagocytose unwanted cells/cell fragments from the whole body including solid tissues. As they return to the blood, macrophages can be used for a non-invasive detection of biomarkers, thereby providing high sensitivity and specificity, because the intracellular presence of biomarkers is due to an innate immune response. Flow cytometry analysis of blood enables the detection of macrophages and phagocytosed intracellular biomarkers. In order to establish a pan-cancer test, biomarkers for two fundamental biophysical mechanisms have been exploited. The DNaseX/Apo10 protein epitope is a characteristic of tumor cells with abnormal apoptosis and proliferation. Transketolase-like 1 (TKTL1) is a marker for an anaerobic glucose metabolism (Warburg effect), which is concomitant with invasive growth/metastasis and resistant to radical and apoptosis inducing therapies. The detection of Apo10 and TKTL1 in blood macrophages allowed a sensitive (95.8%) and specific (97.3%) detection of prostate, breast and oral squamous cell carcinomas. Since TKTL1 represents a drugable target, the EDIM based detection of TKTL1 enables a targeted cancer therapy using the vitamin derivatives oxythiamine or benfo-oxythiamine.
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Tsaur I, Thurn K, Juengel E, Oppermann E, Nelson K, Thomas C, Bartsch G, Oremek GM, Haferkamp A, Rubenwolf P, Blaheta RA. Evaluation of TKTL1 as a biomarker in serum of prostate cancer patients. Cent European J Urol 2016; 69:247-251. [PMID: 27729989 PMCID: PMC5057049 DOI: 10.5173/ceju.2016.820] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 04/24/2016] [Accepted: 06/05/2016] [Indexed: 01/25/2023] Open
Abstract
Introduction Monocyte associated transketolase-like 1 (TKTL1) as a cancer biomarker has become popular with alternative practitioners, but plays no role in conventional medicine. This investigation evaluates the potential of serum TKTL1 as a biomarker for prostate cancer. Material and methods Patients (n = 66) undergoing curative radical prostatectomy (RPE) for biopsy-pro-ven PCa were included in the study. Controls (n = 10) were healthy, age-matched, male volunteers. 10 ml of peripheral blood was drawn from patients several days before surgery and from controls. Serum TKTL1 was measured using the ELISA method. Results The median age at tumor diagnosis was 66 years and median serum PSA was 8.0 ng/ml. Nearly 96% of PCas submitted to surgery were clinically significant. Compared to healthy controls, serum TKTL1 was significantly lower in PCa patients (p = 0.0001, effect size indicator r = Z/sqr(n) = 0.4179). No correlation was apparent between serum TKTL1 and serum PSA, Gleason sum, tumor stage or further clinical and pathologic parameters. Conclusions Reduced serum TKTL1 in PCa patients stands in opposition to TKTL1 epitope detection in monocytes (EDIM) based studies, whereby increased TKTL1 in monocytes of tumor patients has been reported. Since serum TKTL1 does not correlate with clinical parameters in the current investigation, further research is needed to clarify whether serum TKTL1 has potential as a biomarker for PCa.
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Affiliation(s)
- Igor Tsaur
- Mainz University Medical Center, Department of Urology, Mainz, Germany
| | - Kristina Thurn
- University Hospital Frankfurt, Department of Urology, Frankfurt, Germany
| | - Eva Juengel
- Mainz University Medical Center, Department of Urology, Mainz, Germany
| | - Elsie Oppermann
- University Hospital Frankfurt, Department of Surgery, Frankfurt, Germany
| | - Karen Nelson
- University Hospital Frankfurt, Department of Vascular and Endovascular Surgery, Frankfurt, Germany
| | - Christian Thomas
- Mainz University Medical Center, Department of Urology, Mainz, Germany
| | - Georg Bartsch
- Mainz University Medical Center, Department of Urology, Mainz, Germany
| | - Gerhard M Oremek
- University Hospital Frankfurt, Department of Laboratory Medicine, Frankfurt, Germany
| | - Axel Haferkamp
- Mainz University Medical Center, Department of Urology, Mainz, Germany
| | - Peter Rubenwolf
- Vitalicum Urology Outpatient Unit, Frankfurt, Germany; contributed equally as senior authors
| | - Roman A Blaheta
- University Hospital Frankfurt, Department of Urology, Frankfurt, Germany; contributed equally as senior authors
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Jayachandran A, Lo PH, Chueh AC, Prithviraj P, Molania R, Davalos-Salas M, Anaka M, Walkiewicz M, Cebon J, Behren A. Transketolase-like 1 ectopic expression is associated with DNA hypomethylation and induces the Warburg effect in melanoma cells. BMC Cancer 2016; 16:134. [PMID: 26907172 PMCID: PMC4763451 DOI: 10.1186/s12885-016-2185-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Accepted: 02/16/2016] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND The metabolism of cancer cells is often reprogrammed by dysregulation of metabolic enzymes. Transketolase-like 1 (TKTL1) is a homodimeric transketolase linking the pentose-phosphate pathway with the glycolytic pathway. It is generally silenced at a transcriptional level in somatic tissues. However, in human cancers its expression is associated with the acquisition of a glycolytic phenotype (the Warburg effect) by cancer cells that contributes to the progression of malignant tumors. In melanoma, defective promoter methylation results in the expression of genes and their products that can affect the tumor cell's phenotype including the modification of immune and functional characteristics. The present study evaluates the role of TKTL1 as a mediator of disease progression in melanoma associated with a defective methylation phenotype. METHODS The expression of TKTL1 in metastatic melanoma tumors and cell lines was analysed by qRT-PCR and immunohistochemistry. The promoter methylation status of TKTL1 in melanoma cells was evaluated by quantitative methylation specific PCR. Using qRT-PCR, the effect of a DNA demethylating agent 5-aza-2'-deoxycytidine (5aza) on the expression of TKTL1 was examined. Biochemical and molecular analyses such as glucose consumption, lactate production, invasion, proliferation and cell cycle progression together with ectopic expression and siRNA mediated knockdown were used to investigate the role of TKTL1 in melanoma cells. RESULTS Expression of TKTL1 was highly restricted in normal adult tissues and was overexpressed in a subset of metastatic melanoma tumors and derived cell lines. The TKTL1 promoter was activated by hypomethylation and treatment with 5aza induced TKTL1 expression in melanoma cells. Augmented expression of TKTL1 in melanoma cells was associated with a glycolytic phenotype. Loss and gain of function studies revealed that TKTL1 contributed to enhanced invasion of melanoma cells. CONCLUSIONS Our data provide evidence for an important role of TKTL1 in aerobic glycolysis and tumor promotion in melanoma that may result from defective promoter methylation. This epigenetic change may enable the natural selection of tumor cells with a metabolic phenotype and thereby provide a potential therapeutic target for a subset of melanoma tumors with elevated TKTL1 expression.
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Affiliation(s)
- Aparna Jayachandran
- Ludwig Institute for Cancer Research, Melbourne-Austin Branch, Heidelberg, VIC, 3084, Australia.,Olivia Newton-John Cancer Research Institute, Heidelberg, VIC, 3084, Australia.,Department of Medicine, University of Melbourne, Melbourne, VIC, 3010, Australia.,School of Cancer Medicine, Latrobe University, Melbourne, VIC, 3086, Australia.,School of Medicine and the Gallipoli Medical Research Foundation, The University of Queensland, Brisbane, QLD 4120, Australia
| | - Pu-Han Lo
- Ludwig Institute for Cancer Research, Melbourne-Austin Branch, Heidelberg, VIC, 3084, Australia
| | - Anderly C Chueh
- Ludwig Institute for Cancer Research, Melbourne-Austin Branch, Heidelberg, VIC, 3084, Australia.,ACRF Chemical Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Melbourne, 3052, Australia.,Department of Medical Biology, University of Melbourne, Parkville, Melbourne, 3010, Australia
| | - Prashanth Prithviraj
- Ludwig Institute for Cancer Research, Melbourne-Austin Branch, Heidelberg, VIC, 3084, Australia.,Olivia Newton-John Cancer Research Institute, Heidelberg, VIC, 3084, Australia.,Department of Medicine, University of Melbourne, Melbourne, VIC, 3010, Australia
| | - Ramyar Molania
- Ludwig Institute for Cancer Research, Melbourne-Austin Branch, Heidelberg, VIC, 3084, Australia.,Olivia Newton-John Cancer Research Institute, Heidelberg, VIC, 3084, Australia
| | - Mercedes Davalos-Salas
- Ludwig Institute for Cancer Research, Melbourne-Austin Branch, Heidelberg, VIC, 3084, Australia.,Olivia Newton-John Cancer Research Institute, Heidelberg, VIC, 3084, Australia
| | - Matthew Anaka
- Ludwig Institute for Cancer Research, Melbourne-Austin Branch, Heidelberg, VIC, 3084, Australia.,Department of Medicine, University of Melbourne, Melbourne, VIC, 3010, Australia
| | - Marzena Walkiewicz
- Ludwig Institute for Cancer Research, Melbourne-Austin Branch, Heidelberg, VIC, 3084, Australia.,Olivia Newton-John Cancer Research Institute, Heidelberg, VIC, 3084, Australia
| | - Jonathan Cebon
- Ludwig Institute for Cancer Research, Melbourne-Austin Branch, Heidelberg, VIC, 3084, Australia.,Olivia Newton-John Cancer Research Institute, Heidelberg, VIC, 3084, Australia.,Department of Medicine, University of Melbourne, Melbourne, VIC, 3010, Australia.,School of Cancer Medicine, Latrobe University, Melbourne, VIC, 3086, Australia
| | - Andreas Behren
- Ludwig Institute for Cancer Research, Melbourne-Austin Branch, Heidelberg, VIC, 3084, Australia. .,Olivia Newton-John Cancer Research Institute, Heidelberg, VIC, 3084, Australia. .,Department of Medicine, University of Melbourne, Melbourne, VIC, 3010, Australia. .,School of Cancer Medicine, Latrobe University, Melbourne, VIC, 3086, Australia. .,Cancer Immuno-biology Laboratory, Olivia Newton-John Cancer Research Institute, Level 5, Olivia Newton-John Cancer and Wellness Centre, 145 Studley Road, Heidelberg, VIC, 3084, Australia.
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Monitoring carcinogenesis in a case of oral squamous cell carcinoma using a panel of new metabolic blood biomarkers as liquid biopsies. Oral Maxillofac Surg 2016; 20:295-302. [PMID: 26875085 DOI: 10.1007/s10006-016-0549-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Accepted: 02/08/2016] [Indexed: 12/27/2022]
Abstract
INTRODUCTION One of the common malignant tumors of the head and neck worldwide with generally unfavorable prognosis is squamous cell carcinoma (OSCC) of the oral cavity. Early detection of primary, secondary, or recurrent OSCC by liquid biopsy tools is much needed. CASE PRESENTATION Twelve blood biomarkers were used for monitoring a case of OSCC suffering from precancerous oral lichen ruber planus mucosae (OLP). After curative R0 tumor resection of primary OSCC (buccal mucosa), elevated epitope detection in monocytes (EDIM)-Apo10, EDIM-transketolase-like-1 (TKTL1), squamous cell carcinoma antigen (SCC-Ag), total serum lactate dehydrogenase (LDH), and its anaerobic isoforms (LDH-4, LDH-5) decreased to normal levels. Three and six months after surgery, transformation of suspicious mucosal lesions has been accompanied with an increase of EDIM scores, total serum LDH values, and a metabolic shift from aerobic (decrease of LDH-1, LDH-2) to anaerobic (increase of LDH-4, LDH-5) conditions. Two months later, secondary OSCC was histopathologically analyzed after tissue biopsy. Cytokeratin fraction 21-1 (CYFRA 21-1), carcinoembryonic antigen (CEA), and carbohydrate antigen 19-9 (CA19-9) were not affected during the clinical course of carcinogenesis. CONCLUSIONS A combination strategy using a standardized panel of established (metabolic) blood biomarkers (TKTL1, LDH, LDH isoenzymes) is worth and can be recommended among others (apoptosis resistance-related Apo10, SCC-Ag) for early detection and diagnosis of primary, secondary, and recurrent OSCC. A tandem strategy utilizing (metabolic pronounced) routine liquid biopsies with imaging techniques may enhance diagnosis of OSCC in the future. Although we demonstrated the diagnostic utility of separated liquid biopsies in our previous study cohorts, further investigations in a larger patient cohort are necessary to recommend this combination strategy (EDIM blood test, LDH value, metabolic shift of LDH isoenzymes, and others, e.g., SCC-Ag or immunophenotyping) as a diagnostic tool for the addition to the OSCC staging system and as a routine procedure in the aftercare.
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Jansen N, Walach H. The development of tumours under a ketogenic diet in association with the novel tumour marker TKTL1: A case series in general practice. Oncol Lett 2015; 11:584-592. [PMID: 26870251 PMCID: PMC4726921 DOI: 10.3892/ol.2015.3923] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Accepted: 07/21/2015] [Indexed: 01/01/2023] Open
Abstract
Since the initial observations by Warburg in 1924, it has become clear in recent years that tumour cells require a high level of glucose to proliferate. Therefore, a ketogenic diet that provides the body with energy mainly through fat and proteins, but contains a reduced amount of carbohydrates, has become a dietary option for supporting tumour treatment and has exhibited promising results. In the present study, the first case series of such a treatment in general practice is presented, in which 78 patients with tumours were treated within a time window of 10 months. The patients were monitored regarding their levels of transketolase-like-1 (TKTL1), a novel tumour marker associated with aerobic glycolysis of tumour cells, and the patients' degree of adherence to a ketogenic diet. Tumour progression was documented according to oncologists' reports. Tumour status was correlated with TKTL1 expression (Kruskal-Wallis test, P<0.0001), indicating that more progressed and aggressive tumours may require a higher level of aerobic glycolysis. In palliative patients, a clear trend was observed in patients who adhered strictly to a ketogenic diet, with one patient experiencing a stagnation in tumour progression and others an improvement in their condition. The adoption of a ketogenic diet was also observed to affect the levels of TKTL1 in those patients. In conclusion, the results from the present case series in general practice suggest that it may be beneficial to advise tumour patients to adopt a ketogenic diet, and that those who adhere to it may have positive results from this type of diet. Thus, the use of a ketogenic diet as a complementary treatment to tumour therapy must be further studied in rigorously controlled trials.
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Affiliation(s)
- Natalie Jansen
- Dr Natalie Jansen Private Practice, Heilbronn, Baden-Württemberg, D-74074 Heilbronn, Germany; Institute of Transcultural Health Studies, European University Viadrina, D-15207 Frankfurt (Oder), Germany
| | - Harald Walach
- Institute of Transcultural Health Studies, European University Viadrina, D-15207 Frankfurt (Oder), Germany
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Analysis of circulating CD14+/CD16+ monocyte-derived macrophages (MDMs) in the peripheral blood of patients with oral squamous cell carcinoma. Oral Surg Oral Med Oral Pathol Oral Radiol 2015; 121:301-6. [PMID: 26747736 DOI: 10.1016/j.oooo.2015.10.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2015] [Revised: 09/30/2015] [Accepted: 10/25/2015] [Indexed: 01/18/2023]
Abstract
OBJECTIVES Monocytes/macrophages are regarded as the first line of defense in tumors. Therefore, analyzing monocyte subtypes in oral squamous cell carcinoma (OSCC) may be of value in disease monitoring and to explore immunotherapeutic strategies for cancer patients. STUDY DESIGN Circulating peripheral blood CD14+/CD16+ monocyte-derived macrophages (MDMs) were evaluated in OSCC patients with oral squamous cell carcinoma (n = 44) compared with controls (n = 85). Moreover, epitope detection in monocytes (EDIM) technology was used to detect biomarkers Apo10 and transketolase-like-1 in CD14+/CD16+ MDMs. RESULTS Compared with controls, no significant (P = .3646) difference (control group 9.8%, OSCC group 8.8%) in CD14+/CD16+ MDM were noted in OSCC. However, EDIM-Apo10 and EDIM-TKTL1 scores detected in the CD14+/CD16+ MDMs were increased in OSCC compared with controls (P < .0001). CONCLUSIONS Analyzing CD14+/CD16+ MDMs represents a stable cell population for detecting biomarkers in cancer disease monitoring.
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Grimm M, Feyen O, Hofmann H, Teriete P, Biegner T, Munz A, Reinert S. Immunophenotyping of patients with oral squamous cell carcinoma in peripheral blood and associated tumor tissue. Tumour Biol 2015; 37:3807-16. [PMID: 26474587 DOI: 10.1007/s13277-015-4224-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2015] [Accepted: 10/12/2015] [Indexed: 12/21/2022] Open
Abstract
The immune system is important for elimination of cancer cells. Tumors including oral squamous cell carcinoma (OSCC) are capable of escaping detection by host immune cells through apoptotic depletion of tumor-infiltrating lymphocytes (TILs). Circulating peripheral blood lymphocytes (PBLs) and corresponding TILs of tumor specimen were evaluated before and after curative tumor resection (n = 30) compared with PBLs of controls (n = 87). PBLs were characterized for the total number of T cells (CD3(+)), T helper cells (Th, CD3(+)/CD4(+)), regulatory T cells (Treg, CD4(+)/CD25(+)/CD127(low)), cytotoxic T cells (Tc, CD3(+)/CD8(+)), activated T cells (CD3(+)/HLA-DR(+)), and natural killer (NK) cells (CD3(-)/CD16(+)/CD56(+)). In tumor tissue, the prevalence of CD3(+), CD4(+), and CD8(+) TILs was assessed using immunohistochemistry, whereas the incidence of apoptosis was assessed using terminal deoxynucleotidyl transferase deoxyuridinetriphosphate nick-end labeling (TUNEL) assay. In PBLs of pretreated OSCC patients, a highly significant decrease in total number of T cells (p = 0.0001), Th cells (p < 0.0001), Treg cells (p < 0.0001), Tc cells (p < 0.0001), and NK cells (p = 0.0037) were found compared with controls. Decreased PBLs of OSCC patients were correlated with decreased numbers of corresponding TILs, which were associated with increased detection of apoptosis in the tumor tissue. Compared with the controls, the total number of T cells remained unchanged after surgery but the total number of NK cells significantly increased. Standardized immunophenotyping of OSCC may help to identify patients likely to benefit from cancer immunotherapy strategies and/or chemoradiation. Finally, future attempts to enhance an effective tumor-reactive immune response by immunotherapy or vaccination should be made by promoting tumor-specific Th and/or Tc cell/NK cell responses.
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Affiliation(s)
- Martin Grimm
- Department of Oral and Maxillofacial Surgery, University Hospital Tübingen, Osianderstrasse 2-8, 72076, Tübingen, Germany.
| | - Oliver Feyen
- Zyagnum AG, Reißstraße 1a, 64319, Pfungstadt, Germany
| | - Heiko Hofmann
- biovis' Diagnostik MVZ, Justus-Staudt-Straße 2, 65555, Limburg an der Lahn, Germany
| | - Peter Teriete
- Cancer Research Center, Sanford-Burnham Medical Research Institute, 10901 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Thorsten Biegner
- Department of Pathology, University Hospital Tübingen, Liebermeisterstrasse 8, 72076, Tübingen, Germany
| | - Adelheid Munz
- Department of Oral and Maxillofacial Surgery, University Hospital Tübingen, Osianderstrasse 2-8, 72076, Tübingen, Germany
| | - Siegmar Reinert
- Department of Oral and Maxillofacial Surgery, University Hospital Tübingen, Osianderstrasse 2-8, 72076, Tübingen, Germany
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Evaluation of a biomarker based blood test for monitoring surgical resection of oral squamous cell carcinomas. Clin Oral Investig 2015; 20:329-38. [PMID: 26153867 DOI: 10.1007/s00784-015-1518-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Accepted: 06/24/2015] [Indexed: 12/19/2022]
Abstract
INTRODUCTION The potential use of determination of biomarkers in blood for the monitoring of surgical removal of oral squamous cell carcinomas (OSCC) was evaluated using the epitope detection in monocytes (EDIM) technology. MATERIALS AND METHODS In tumor specimen, elevated Apo10 and transketolase-like 1 (TKTL1) expression was analyzed by immunohistochemistry. Apo10 and TKTL1 biomarkers have been used prospectively for EDIM blood test in patients with primary and/or recurrent OSCC (n = 92) before surgery and after curative tumor resection (n = 45). RESULTS There were highly significant (p < 0.0001) correlations found between EDIM blood scores and the tissue expression of both biomarkers measured by immunohistochemistry (Apo10: n = 89/92, 97%; TKTL1: n = 90/92, 98%). EDIMApo10 and EDIM-TKTL1 scores were positive in 92% (EDIM-Apo10: n = 85/92) and 93% (EDIM-TKTL1: n = 86/92), respectively, in patients with OSCC before surgery. The combined score EDIM-Apo10/EDIM-TKTL1 increased significantly the detection rate of tumors to 97% (n = 89/92). After surgery, the EDIM-TKTL1 and EDIMApo10 scores significantly decreased in 75.6 and 86.7% of the patients (p < 0.0001), respectively, in the aftercare. CONCLUSIONS The correlation of TKTL1 and Apo10 immunohistochemistry with the blood test results indicates that the EDIM blood test could serve as a non-invasive diagnostic tool (liquid biopsy) to assess surgical removal of OSCC by determination of two biomarkers. CLINICAL RELEVANCE This is the first study that has been demonstrated a reliable and successful monitoring of OSCC cancer patients by a blood test. The specific and significant decrease of EDIM-TKTL1 and EDIM-Apo10 scores after surgery could serve as a new tool for monitoring surgical removal of OSCC.
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Analysis and interpretation of transcriptomic data obtained from extended Warburg effect genes in patients with clear cell renal cell carcinoma. Oncoscience 2015; 2:151-86. [PMID: 25859558 PMCID: PMC4381708 DOI: 10.18632/oncoscience.128] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2015] [Accepted: 02/17/2015] [Indexed: 12/22/2022] Open
Abstract
Background Many cancers adopt a metabolism that is characterized by the well-known Warburg effect (aerobic glycolysis). Recently, numerous attempts have been made to treat cancer by targeting one or more gene products involved in this pathway without notable success. This work outlines a transcriptomic approach to identify genes that are highly perturbed in clear cell renal cell carcinoma (CCRCC). Methods We developed a model of the extended Warburg effect and outlined the model using Cytoscape. Following this, gene expression fold changes (FCs) for tumor and adjacent normal tissue from patients with CCRCC (GSE6344) were mapped on to the network. Gene expression values with FCs of greater than two were considered as potential targets for treatment of CCRCC. Results The Cytoscape network includes glycolysis, gluconeogenesis, the pentose phosphate pathway (PPP), the TCA cycle, the serine/glycine pathway, and partial glutaminolysis and fatty acid synthesis pathways. Gene expression FCs for nine of the 10 CCRCC patients in the GSE6344 data set were consistent with a shift to aerobic glycolysis. Genes involved in glycolysis and the synthesis and transport of lactate were over-expressed, as was the gene that codes for the kinase that inhibits the conversion of pyruvate to acetyl-CoA. Interestingly, genes that code for unique proteins involved in gluconeogenesis were strongly under-expressed as was also the case for the serine/glycine pathway. These latter two results suggest that the role attributed to the M2 isoform of pyruvate kinase (PKM2), frequently the principal isoform of PK present in cancer: i.e. causing a buildup of glucose metabolites that are shunted into branch pathways for synthesis of key biomolecules, may not be operative in CCRCC. The fact that there was no increase in the expression FC of any gene in the PPP is consistent with this hypothesis. Literature protein data generally support the transcriptomic findings. Conclusions A number of key genes have been identified that could serve as valid targets for anti-cancer pharmaceutical agents. Genes that are highly over-expressed include ENO2, HK2, PFKP, SLC2A3, PDK1, and SLC16A1. Genes that are highly under-expressed include ALDOB, PKLR, PFKFB2, G6PC, PCK1, FBP1, PC, and SUCLG1.
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Japink D, Nap M, Sosef MN, Nelemans PJ, Coy JF, Beets G, von Meyenfeldt MF, Leers MP. Reproducibility studies for experimental epitope detection in macrophages (EDIM). J Immunol Methods 2014; 407:40-7. [DOI: 10.1016/j.jim.2014.03.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Revised: 03/19/2014] [Accepted: 03/20/2014] [Indexed: 10/25/2022]
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Grimm M, Munz A, Teriete P, Nadtotschi T, Reinert S. GLUT-1(+)/TKTL1(+) coexpression predicts poor outcome in oral squamous cell carcinoma. Oral Surg Oral Med Oral Pathol Oral Radiol 2014; 117:743-53. [PMID: 24703406 DOI: 10.1016/j.oooo.2014.02.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Revised: 02/11/2014] [Accepted: 02/18/2014] [Indexed: 12/26/2022]
Abstract
OBJECTIVE Tumor hypoxia is a crucial negative prognostic factor associated with outcome of oral squamous cell carcinoma (OSCC). STUDY DESIGN Expression of glucose transporter 1 (GLUT-1) (solute carrier family 2 [facilitated glucose transporter], member 1 [SLC2A1]) was analyzed in OSCC specimen (n = 161) and cancer cell lines by immunohistochemistry and Western blotting. GLUT-1 expression on protein level was correlated with transketolase-like 1 (TKTL1) expression, clinical characteristics, and effect on survival. Subgroup analysis was performed for GLUT-1/TKTL1 coexpression. RESULTS GLUT-1 expression was significantly correlated with TKTL1 expression (P < .0001) and recurrence of the tumor (P = .001). Multivariate analysis did not find GLUT-1 expression to be an independent prognostic factor (P = .2478). GLUT-1(+)/TKTL1(+) subgroup showed the worst effect on survival compared with the GLUT-1(-)/TKTL1(-) subgroup (P = .0002). CONCLUSIONS This study provides evidence that tumors linked with combined enhanced glucose uptake (GLUT-1(+)) and hypoxia-related glucose metabolism (TKTL1(+)) characteristics (GLUT-1(+)/TKTL1(+) coexpression) are associated with shorter survival in OSCC.
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Affiliation(s)
- Martin Grimm
- Department of Oral and Maxillofacial Surgery, University Hospital Tübingen, Tübingen, Germany.
| | - Adelheid Munz
- Department of Oral and Maxillofacial Surgery, University Hospital Tübingen, Tübingen, Germany
| | - Peter Teriete
- Cancer Research Center, Sanford-Burnham Medical Research Institute, La Jolla, CA, USA
| | - Tatjana Nadtotschi
- Department of Oral and Maxillofacial Surgery, University Hospital Tübingen, Tübingen, Germany
| | - Siegmar Reinert
- Department of Oral and Maxillofacial Surgery, University Hospital Tübingen, Tübingen, Germany
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Grimm M, Schmitt S, Teriete P, Biegner T, Stenzl A, Hennenlotter J, Muhs HJ, Munz A, Nadtotschi T, König K, Sänger J, Feyen O, Hofmann H, Reinert S, Coy JF. A biomarker based detection and characterization of carcinomas exploiting two fundamental biophysical mechanisms in mammalian cells. BMC Cancer 2013; 13:569. [PMID: 24304513 PMCID: PMC4235042 DOI: 10.1186/1471-2407-13-569] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Accepted: 11/26/2013] [Indexed: 12/29/2022] Open
Abstract
Background Biomarkers allowing the characterization of malignancy and therapy response of oral squamous cell carcinomas (OSCC) or other types of carcinomas are still outstanding. The biochemical suicide molecule endonuclease DNaseX (DNaseI-like 1) has been used to identify the Apo10 protein epitope that marks tumor cells with abnormal apoptosis and proliferation. The transketolase-like protein 1 (TKTL1) represents the enzymatic basis for an anaerobic glucose metabolism even in the presence of oxygen (aerobic glycolysis/Warburg effect), which is concomitant with a more malignant phenotype due to invasive growth/metastasis and resistance to radical and apoptosis inducing therapies. Methods Expression of Apo10 and TKTL1 was analysed retrospectively in OSCC specimen (n = 161) by immunohistochemistry. Both markers represent independent markers for poor survival. Furthermore Apo10 and TKTL1 have been used prospectively for epitope detection in monocytes (EDIM)-blood test in patients with OSCC (n = 50), breast cancer (n = 48), prostate cancer (n = 115), and blood donors/controls (n = 74). Results Positive Apo10 and TKTL1 expression were associated with recurrence of the tumor. Multivariate analysis demonstrated Apo10 and TKTL1 expression as an independent prognostic factor for reduced tumor-specific survival. Apo10+/TKTL1+ subgroup showed the worst disease-free survival rate in OSCC. EDIM-Apo10 and EDIM-TKTL1 blood tests allowed a sensitive and specific detection of patients with OSCC, breast cancer and prostate cancer before surgery and in after care. A combined score of Apo10+/TKTL1+ led to a sensitivity of 95.8% and a specificity of 97.3% for the detection of carcinomas independent of the tumor entity. Conclusions The combined detection of two independent fundamental biophysical processes by the two biomarkers Apo10 and TKTL1 allows a sensitive and specific detection of neoplasia in a noninvasive and cost-effective way. Further prospective trials are warranted to validate this new concept for the diagnosis of neoplasia and tumor recurrence.
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Affiliation(s)
- Martin Grimm
- Department of Oral and Maxillofacial Surgery, University Hospital Tuebingen, Osianderstr, 2-8, 72076, Tuebingen, Germany.
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23
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Jansen N, Coy JF. Diagnostic use of epitope detection in monocytes blood test for early detection of colon cancer metastasis. Future Oncol 2013; 9:605-9. [PMID: 23560382 DOI: 10.2217/fon.13.8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
A follow-up strategy in cancer aftercare can result in early detection of metastasis and/or recurrence. Therefore, sensitive and reliable diagnostic tests that are easy to perform are needed. Here, the authors present the combined use of the epitope detection in monocytes (EDIM)-TKTL1 and EDIM-Apo10 blood test in aftercare monitoring of a patient with colon carcinoma. Whereas the established tumor markers CEA and CA19-9 did not indicate metastasis even at a timepoint where clinical signs and imaging techniques already demonstrated metastasis, the combined application of the EDIM-TKTL1 and the EDIM-Apo10 blood tests was positive 9 months before detection of metastasis. These findings - taken together with recently published evaluation data of the EDIM-TKTL1 blood test - suggest that the combined application of the EDIM-TKTL1 and the EDIM-Apo10 blood tests might indicate metastasis earlier than established tumor markers and could serve as sensitive and noninvasive methods that might be used for early detection of colon cancer metastasis.
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Affiliation(s)
- Natalie Jansen
- TAVARLIN AG, Landwehrstrasse 54, D-64293 Darmstadt, Germany
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