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Rydholm A, Gustafson P, Alvegård TA, Saeter G, Blomqvist C. Prognostic factors in soft tissue sarcoma. ACTA ACUST UNITED AC 2016. [DOI: 10.1080/17453674.1999.11744824] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Impairment of lysosomal activity as a therapeutic modality targeting cancer stem cells of embryonal rhabdomyosarcoma cell line RD. PLoS One 2014; 9:e110340. [PMID: 25329465 PMCID: PMC4203792 DOI: 10.1371/journal.pone.0110340] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2014] [Accepted: 09/21/2014] [Indexed: 12/23/2022] Open
Abstract
Rhabdomyosarcoma is the most frequent soft tissue sarcoma in children and adolescents, with a high rate of relapse that dramatically affects the clinical outcome. Multiagent chemotherapy, in combination with surgery and/or radiation therapy, is the treatment of choice. However, the relapse rate is disappointingly high and identification of new therapeutic tools is urgently needed. Under this respect, the selective block of key features of cancer stem cells (CSC) appears particularly promising. In this study, we isolated rhabdomyosarcoma CSC with stem-like features (high expression of NANOG and OCT3/4, self-renewal ability, multipotency). Rhabdomyosarcoma CSC showed higher invasive ability and a reduced cytotoxicity to doxorubicin in comparison to native cells, through a mechanism unrelated to the classical multidrug resistance process. This was dependent on a high level of lysosome acidity mediated by a high expression of vacuolar ATPase (V-ATPase). Since it was not associated with other paediatric cancers, like Ewing’s sarcoma and neuroblastoma, V-ATPase higher expression in CSC was rhabdomyosarcoma specific. Inhibition of lysosomal acidification by the V-ATPase inhibitor omeprazole, or by specific siRNA silencing, significantly enhanced doxorubicin cytoxicity. Unexpectedly, lysosomal targeting also blocked cell growth and reduced the invasive potential of rhabdomyosarcoma CSC, even at very low doses of omeprazole (10 and 50 µM, respectively). Based on these observations, we propose lysosome acidity as a valuable target to enhance chemosensitivity of rhabdomyosarcoma CSC, and suggest the use of anti-V-ATPase agents in combination with standard regimens as a promising tool for the eradication of minimal residual disease or the prevention of metastatic disease.
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Todd R, Lunec J. Molecular pathology and potential therapeutic targets in soft-tissue sarcoma. Expert Rev Anticancer Ther 2014; 8:939-48. [DOI: 10.1586/14737140.8.6.939] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Martin-Broto J, Gutierrez AM, Ramos RF, Lopez-Guerrero JA, Ferrari S, Stacchiotti S, Picci P, Calabuig S, Collini P, Gambarotti M, Bague S, Dei Tos AP, Palassini E, Luna P, Cruz J, Cubedo R, Martinez-Trufero J, Poveda A, Casali PG, Fernandez-Serra A, Lopez-Pousa A, Gronchi A. MRP1 overexpression determines poor prognosis in prospectively treated patients with localized high-risk soft tissue sarcoma of limbs and trunk wall: an ISG/GEIS study. Mol Cancer Ther 2013; 13:249-59. [PMID: 24145283 DOI: 10.1158/1535-7163.mct-13-0406] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Patients with localized high-risk soft tissue sarcomas (STS) of the limbs and trunk wall still have a considerable metastatic recurrence rate of more than 50%, in spite of adjuvant chemotherapy. This drug-ceiling effect of chemotherapy in sarcoma setting could be explained, at least partially, by multidrug resistance (MDR) mechanisms. The aim of this study was to ascertain whether mRNA and protein expression of ABCB1 (P-glycoprotein), ABCC1 (MRP1), and GSTA1 (glutathione S-transferase pi) was prognostic in localized high-risk STS. Immunohistochemistry and reverse transcriptase-PCR studies were performed from biopsies at the time of diagnosis. Patients of this series were prospectively enrolled into a phase III trial that compared three versus five cycles of epirubicin plus ifosfamide. The series of 102 patients found 41 events of recurrence and 37 of death with a median follow-up of 68 months. In univariate analysis, variables with a statistically significant relationship with relapse-free survival (RFS) were: MRP1 expression (5-year RFS rate of 23% in positive cases and 63% in negative cases, P = 0.029), histology (5-year RFS rate of 74% in undifferentiated pleomorphic sarcoma and 43% in synovial sarcoma, P = 0.028), and ABCC1 expression (5-year RFS rate of 33% in overexpression and 65% in downregulation, P = 0.012). Combined ABCC1/MRP1 was the only independent prognostic factor for both RFS (HR = 2.704, P = 0.005) and overall survival (HR = 2.208, P = 0.029). ABCC1/MRP1 expression shows robust prognostic relevance in patients with localized high-risk STS treated with anthracycline-based chemotherapy, which is the standard front line treatment in STS. This finding deserves attention as it points to a new targetable protein in STS.
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Affiliation(s)
- Javier Martin-Broto
- Corresponding Author: Javier Martin-Broto, Department of Oncology, University Hospital Son Espases, Cra Valdemosa 79, 07010 (Office 144, 1H), Palma de Mallorca, Spain.
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Pennacchioli E, Tosti G, Barberis M, De Pas TM, Verrecchia F, Menicanti C, Testori A, Mazzarol G. Sarcoma spreads primarily through the vascular system: are there biomarkers associated with vascular spread? Clin Exp Metastasis 2012; 29:757-73. [DOI: 10.1007/s10585-012-9502-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2012] [Accepted: 05/30/2012] [Indexed: 12/16/2022]
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Engellau J. Prognostic factors in soft tissue sarcomaTissue microarray for immunostaining, the importance of whole-tumor sections and time-dependence. ACTA ACUST UNITED AC 2009. [DOI: 10.1080/03008820410001887] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Oda Y, Tsuneyoshi M. Recent advances in the molecular pathology of soft tissue sarcoma: implications for diagnosis, patient prognosis, and molecular target therapy in the future. Cancer Sci 2009; 100:200-8. [PMID: 19076980 PMCID: PMC11158635 DOI: 10.1111/j.1349-7006.2008.01024.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
In the present paper, recent advances in the molecular pathology of soft tissue sarcomas (STS) and the implications for their prognostic value are reviewed, and the potential targets of molecular therapy are discussed. According to the molecular genetic aspect, STS are divided into two groups: chromosome translocation-associated sarcomas and sarcomas without specific translocation. In the former group,specific fusion transcripts, such as SS18–SSX, EWS–FLI1, and PAX3–FKHR, could be detected in synovial sarcoma, Ewing's sarcoma and primitive neuroectodermal tumor, and alveolar rhabdomyosarcoma,respectively. The direct or indirect interactions between these fusion transcripts and cell cycle regulators have been elucidated by several investigators. Therefore, these fusion transcripts are promising candidates as molecular targets. As evaluated in carcinomas,alterations of several tumor-suppressor genes and adhesion molecules and overexpression of growth factors and their receptors have been extensively assessed in STS. In mixed-type STS, epidermal growth factor receptor overexpression was associated with decreased overall survival, suggesting the beneficial role of epidermal growth factor receptor inhibitors in STS. In malignant rhabdoid tumor and epithelioid sarcoma, frequent alteration of the SMARCB1/INI1 tumor-suppressor gene and the loss of its protein have been demonstrated, indicating that this molecule could be an effective target of these sarcomas. In sarcomas with epithelioid differentiation,such as synovial sarcoma and epithelioid sarcoma, overexpression of dysadherin, which downregulates E-cadherin expression, was a poor prognostic factor. In conclusion, further studies are necessary to search for effective and specific molecules for the inhibition of tumor growth in each type of STS, especially in sarcomas without specific translocation.
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Affiliation(s)
- Yoshinao Oda
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, Japan.
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Yagüe E, Arance A, Kubitza L, O'Hare M, Jat P, Ogilvie CM, Hart IR, Higgins CF, Raguz S. Ability to acquire drug resistance arises early during the tumorigenesis process. Cancer Res 2007; 67:1130-7. [PMID: 17283147 DOI: 10.1158/0008-5472.can-06-2574] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Resistance to chemotherapy is one of the principal causes of cancer mortality and is generally considered a late event in tumor progression. Although cellular models of drug resistance have been useful in identifying the molecules responsible for conferring drug resistance, most of these cellular models are derived from cell lines isolated from patients at a late stage in cancer progression. To ask at which stage in the tumorigenic progression does the cell gain the ability to acquire drug resistance, we generated a series of pre-tumorigenic and tumorigenic cells from human embryonic skin fibroblasts by introducing, sequentially, the catalytic subunit of telomerase, SV40 large T and small T oncoproteins, and an oncogenic form of ras. We show that the ability to acquire multidrug resistance (MDR) can arise before the malignant transformation stage. The minimal set of changes necessary to obtain pre-tumorigenic drug-resistant cells is expression of telomerase and inactivation of p53 and pRb. Thus, the pathways inactivated during tumorigenesis also confer the ability to acquire drug resistance. Microarray and functional studies of drug-resistant pre-tumorigenic cells indicate that the drug efflux pump P-glycoprotein is responsible for the MDR phenotype in this pre-tumorigenic cell model.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B
- ATP Binding Cassette Transporter, Subfamily B, Member 1/biosynthesis
- ATP Binding Cassette Transporter, Subfamily B, Member 1/genetics
- ATP Binding Cassette Transporter, Subfamily B, Member 1/metabolism
- Antigens, Polyomavirus Transforming/biosynthesis
- Antigens, Polyomavirus Transforming/genetics
- Antigens, Polyomavirus Transforming/metabolism
- Cell Transformation, Neoplastic
- Doxorubicin/pharmacology
- Drug Resistance, Multiple/physiology
- Drug Resistance, Neoplasm/physiology
- Embryo, Mammalian
- Fibroblasts
- Gene Expression
- Humans
- Organic Anion Transporters/biosynthesis
- Organic Anion Transporters/genetics
- Organic Anion Transporters/metabolism
- Precancerous Conditions/drug therapy
- Precancerous Conditions/genetics
- Precancerous Conditions/metabolism
- Retinoblastoma Protein
- Skin/metabolism
- Skin/pathology
- Skin Neoplasms/drug therapy
- Skin Neoplasms/genetics
- Skin Neoplasms/metabolism
- Skin Physiological Phenomena/drug effects
- Skin Physiological Phenomena/genetics
- Telomerase/biosynthesis
- Transfection
- Tumor Suppressor Protein p53/biosynthesis
- Tumor Suppressor Protein p53/genetics
- Tumor Suppressor Protein p53/metabolism
- Up-Regulation
- ras Proteins/biosynthesis
- ras Proteins/genetics
- ras Proteins/metabolism
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Affiliation(s)
- Ernesto Yagüe
- Medical Research Council Clinical Sciences Centre, Imperial College Faculty of Medicine, Du Cane Road, Lonson, UK
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Théou N, Gil S, Devocelle A, Julié C, Lavergne-Slove A, Beauchet A, Callard P, Farinotti R, Le Cesne A, Lemoine A, Faivre-Bonhomme L, Emile JF. Multidrug Resistance Proteins in Gastrointestinal Stromal Tumors: Site-Dependent Expression and Initial Response to Imatinib. Clin Cancer Res 2005; 11:7593-8. [PMID: 16278376 DOI: 10.1158/1078-0432.ccr-05-0710] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Gastrointestinal stromal tumors (GIST) are the most frequent mesenchymal tumors of the digestive tract and respond poorly to chemotherapy. A tyrosine kinase inhibitor treatment, imatinib mesylate, was recently shown to have antitumor effects in metastatic patients. However, this drug is a substrate for multidrug resistance (MDR) proteins. Therefore, we investigated the expression of ABCB1 (P-glycoprotein), ABCC1 (MRP1), and ABCG2 (BCRP) by Western blotting in 21 GISTs and 3 leiomyosarcomas. All the GISTs were positive for either ABCB1 (86% of cases) or ABCC1 expression (62%), but negative for ABCG2. ABCB1 was expressed in all gastric GISTs, but in only 67% of nongastric GISTs. By contrast, ABCC1 expression was more common in nongastric tumors (78% versus 42%). The levels of these MDR proteins in gastric GISTs were higher for ABCB1 (P = 0.007) and lower for ABCC1 (P = 0.004) compared with nongastric GISTs. We found no correlation between MDR protein expression and the risk assessment. None of the six patients treated with imatinib was resistant, although all were positive for at least one MDR protein. These results confirm that gastric and nongastric GISTs have different biological characteristics and suggest that MDR proteins do not impair the initial response of the tumor to imatinib.
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Oda Y, Saito T, Tateishi N, Ohishi Y, Tamiya S, Yamamoto H, Yokoyama R, Uchiumi T, Iwamoto Y, Kuwano M, Tsuneyoshi M. ATP-binding cassette superfamily transporter gene expression in human soft tissue sarcomas. Int J Cancer 2005; 114:854-62. [PMID: 15609299 DOI: 10.1002/ijc.20589] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The phenomenon of multidrug resistance (MDR) in various malignant neoplasms has been reported as being caused by one or multiple expressions of ATP-binding cassette (ABC) superfamily protein, including P-glycoprotein/multidrug resistance (MDR) 1 and the MDR protein (MRP) family. However, their expression levels and distribution within soft tissue sarcomas remain controversial. In 86 cases of surgically resected soft tissue sarcoma, intrinsic mRNA levels of MDR1, MRP1, MRP2 and MRP3 were assessed using a quantitative reverse transcriptase-PCR (RT-PCR) method. Moreover, immunohistochemical protein expressions of P-glycoprotein (P-gp), MRP1, MRP2, MRP3 and p53 protein were evaluated in concordant paraffin-embedded material. The mRNA expression and immunohistochemical expression of ABC superfamily transporters were compared to clinicopathologic parameters and proliferative activities as evaluated by the MIB-1-labeling index (LI). Among the various histologic types, malignant peripheral nerve sheath tumor (MPNST) showed significantly high levels of MDR1 (p=0.017) and MRP3 (p=0.0384) mRNA expression, compared to the other tumor types. When the immunohistochemical method was compared to the RT-PCR technique to assess ABC transported expression at the protein and mRNA levels, a significantly close relationship was found between the 2 methods (p<0.05). P-gp expression was significantly correlated with large tumor size (> or =5 cm, p=0.041) and high AJCC stage (stages III and IV) (p=0.0365). Furthermore, cases with nuclear expression of p53 revealed significantly higher levels of MDR1 mRNA expression, compared to those with negative immunoreaction for p53 (p=0.0328). Our results suggest that MDR1/P-gp expression may have an important role to play in tumor progression in the cases of soft tissue sarcoma, and p53 may be one of the active regulators of the MDR1 transcript. In addition, the high levels of both MDR1 and MRP3 mRNA expression in MPNST may help to explain the poor response of this tumor to anticancer-drugs.
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Affiliation(s)
- Yoshinao Oda
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan.
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Sawicka M, Kalinowska M, Skierski J, Lewandowski W. A review of selected anti-tumour therapeutic agents and reasons for multidrug resistance occurrence. J Pharm Pharmacol 2004; 56:1067-81. [PMID: 15324475 DOI: 10.1211/0022357044265] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
It is assumed that proteins from the ABC family (i.e., glycoprotein P (Pgp)) and a multidrug resistance associated protein (MRP) play a main role in the occurrence of multidrug resistance (MDR) in tumour cells. Other factors that influence the rise of MDR are mechanisms connected with change in the effectiveness of the glutathione cycle and with decrease in expression of topoisomerases I and II. The aim of this review is to characterize drugs applied in anti-tumour therapy and to describe the present state of knowledge concerning the mechanisms of MDR occurrence, as well as the pharmacological agents applied in reducing this phenomenon.
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Affiliation(s)
- M Sawicka
- Department of Chemistry, Biatystok Technical University, Zamenhofa 29, 15-435 Biatystok, Poland
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12
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Engellau J, Persson A, Bendahl PO, Akerman M, Domanski HA, Bjerkehagen B, Lilleng P, Weide J, Rydholm A, Alvegård TA, Nilbert M. Expression profiling using tissue microarray in 211 malignant fibrous histiocytomas confirms the prognostic value of Ki-67. Virchows Arch 2004; 445:224-30. [PMID: 15309631 DOI: 10.1007/s00428-004-1065-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2004] [Accepted: 05/30/2004] [Indexed: 11/25/2022]
Abstract
The tissue microarray technology is a high-throughput technique that allows studies of multiple markers in large tumor materials. We performed immunohistochemical profiling using tissue microarray and immunostaining for Ki-67, p53, bcl-2, CD44, cyclin A and Pgp in a series of 211 malignant fibrous histiocytomas (MFHs) with correlation to prognosis. Tissue from 50 local recurrences and 20 metastases was available for comparison with the primary tumors. In univariate analysis, Ki-67 was the only immunohistochemical marker significantly correlated with metastasis with a hazard ratio of 1.9. Multivariate analysis, with tumor size, depth, necrosis, vascular invasion, mitotic rate and Ki-67 expression, revealed an independent prognostic value of tumor size and Ki-67. Local recurrences did not differ from the corresponding primary tumors, whereas metastases showed a trend for upregulation of cyclin A and Pgp. In this large series of MFHs, a tumor size greater than 8 cm and a Ki-67 index of more than 20% were strong and independent prognostic factors for metastasis. In contrast, p53, bcl-2, CD44, cyclin A and Pgp, which have previously been suggested as prognostic factors in soft tissue sarcomas, did not show such correlations. Hence, we suggest that proliferation, as measured by Ki-67 index, should be considered as a prognostic marker in clinical management of pleomorphic soft tissue sarcomas.
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Affiliation(s)
- Jacob Engellau
- Department of Oncology, Jubileum Institution, Lund University, 22185 Lund, Sweden.
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Skotheim RI, Kallioniemi A, Bjerkhagen B, Mertens F, Brekke HR, Monni O, Mousses S, Mandahl N, Soeter G, Nesland JM, Smeland S, Kallioniemi OP, Lothe RA. Topoisomerase-II alpha is upregulated in malignant peripheral nerve sheath tumors and associated with clinical outcome. J Clin Oncol 2004; 21:4586-91. [PMID: 14673046 DOI: 10.1200/jco.2003.07.067] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To identify target genes of clinical significance for patients with malignant peripheral-nerve sheath tumor (MPNST), an aggressive cancer for which no consensus therapy exists. MATERIALS AND METHODS Biopsies and clinical data from 51 patients with MPNST were included in this study. Based on our previous research implicating chromosome arm 17q amplification in MPNST, we performed gene expression analyses of 14 MPNSTs using chromosome 17-specific cDNA microarrays. Copy numbers of selected gene probes and centromere probes were then determined by interphase fluorescence in situ hybridization in 16 MPNSTs. Finally, we generated a tissue microarray containing 79 samples from 44 MPNSTs, on which in situ protein expressions of candidate genes were examined and related to clinical end points. RESULTS Among several deregulated genes found by cDNA microarray analyses, topoisomerase II alpha (TOP2A) was the most overexpressed gene in MPNSTs compared with benign neurofibromas. Excess copies of the TOP2A were also seen at the DNA level in 10 of 16 cases, and high expression of the TOP2A protein was seen in 83% of the tumors on the tissue microarray. The TOP2A-expressing tumors were associated with poor cancer-specific survival and presence of metastases. CONCLUSION We have identified TOP2A as a target gene in MPNST, using a focused gene expression profiling followed by a DNA copy number evaluation and clinical validation of the encoded protein using a tissue microarray. This study is the first to suggest that TOP2A expression may be a predictive factor for adverse outcome in MPNST.
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Affiliation(s)
- Rolf I Skotheim
- Department of Genetics, Institute for Cancer Research, the Norwegian Radium Hospital and University of Oslo, Norway
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Rossi CR, Mocellin S, Pilati P, Foletto M, Nitti D, Lise M. TNFalpha-based isolated perfusion for limb-threatening soft tissue sarcomas: state of the art and future trends. J Immunother 2003; 26:291-300. [PMID: 12843791 DOI: 10.1097/00002371-200307000-00001] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The management of limb-threatening soft tissue sarcomas has not yet been standardized. Although local disease control does not affect overall survival, amputation or highly mutilating surgery may be required, which impairs the patient's quality of life. Various neoadjuvant approaches have been proposed to allow limb-sparing surgery for these locally advanced tumors. With TNFalpha-based hyperthermic isolated limb perfusion, the majority of patients can be spared amputation, with acceptable rates of locoregional and systemic complications. As yet, no other available treatment seems to give comparable results when applied to limb-threatening soft tissue sarcomas. Nevertheless, several issues remain to be addressed, such as the type and dose of drugs, repeatability of the procedure, association with radiotherapy, further indications, and evaluation of response. The authors describe the principles underlying TNFalpha-based hyperthermic isolated limb perfusion, review the worldwide experience so far published, and discuss the above issues. The potential future developments of this locoregional therapeutic approach will also be reported.
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Affiliation(s)
- Carlo Riccardo Rossi
- Department of Oncological and Surgical Sciences, University of Padova, Italy. carlor.rossi2unipd.it
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15
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Komdeur R, Plaat BEC, van der Graaf WTA, Hoekstra HJ, Hollema H, van den Berg E, Zwart N, Scheper RJ, Molenaar WM. Expression of multidrug resistance proteins, P-gp, MRP1 and LRP, in soft tissue sarcomas analysed according to their histological type and grade. Eur J Cancer 2003; 39:909-16. [PMID: 12706359 DOI: 10.1016/s0959-8049(03)00029-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The biological behaviour of different histological types and grades of soft tissue sarcomas (STS) varies. This might result in a differing sensitivity to cytotoxic drugs. Cross-resistance to functionally and structurally distinct natural-product drugs, known as multidrug resistance (MDR), is associated with the overexpression of P-glycoprotein (P-gp), multidrug resistance-associated protein 1 (MRP1) and lung resistance-related protein (LRP). The purpose of this study was to evaluate the expression of P-gp, MRP1 and LRP in STS according to their histological type and grade. In 141 chemotherapy-naive STS patients, the expression of the three MDR proteins was detected by immunohistochemistry. Nine histological types were documented. These were 19% grade 1, 34% grade 2 and 47% grade 3 tumours. Expression of P-gp and LRP was observed more frequently than the expression of MRP1 (P<0.0001). P-gp expression was most pronounced in malignant fibrous histiocytoma (MFH), but was low in leiomyosarcomas. MRP1 was expressed in most malignant peripheral nerve sheath tumours (MPNST). LRP was strongly expressed in MFH and unspecified sarcomas, but was low in liposarcomas. MRP1 and LRP expression was significantly more common in grades 2 and 3 compared with grade 1 tumours. P-gp expression was correlated with MRP1, especially in grade 3 STS. In conclusion, P-gp, MRP1 and LRP are expressed in the majority of STS, but this expression varies according to the histological type. MRP1 and LRP, but not P-gp expression, were found to be correlated to tumour grade. MDR might contribute to the observed differences in clinical behaviour within the heterogeneous group of STS.
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Affiliation(s)
- R Komdeur
- Department of Surgical Oncology, University Hospital Groningen, PO Box 30.001, 9700 RB Groningen, The Netherlands
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16
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Oda Y, Ohishi Y, Saito T, Hinoshita E, Uchiumi T, Kinukawa N, Iwamoto Y, Kohno K, Kuwano M, Tsuneyoshi M. Nuclear expression of Y-box-binding protein-1 correlates with P-glycoprotein and topoisomerase II alpha expression, and with poor prognosis in synovial sarcoma. J Pathol 2003; 199:251-8. [PMID: 12533839 DOI: 10.1002/path.1282] [Citation(s) in RCA: 95] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Nuclear expression of the Y-box-binding protein (YB-1) has been reported to correlate with the expression of P-glycoprotein in breast cancer and osteosarcoma. Overexpression of the ATP-binding cassette (ABC) superfamily, such as P-glycoprotein/multi-drug resistance (MDR) 1 and MDR-associated protein (MRP) 1, 2 and 3, has been reported in various malignant neoplasms. Fifty-four surgically resected synovial sarcomas were examined immunohistochemically for nuclear expression of YB-1 and intrinsic expression of P-glycoprotein, MRP1, MRP2, and topoisomerase II alpha, and the findings were compared with clinicopathological parameters, proliferative activities as evaluated by MIB-1 labelling index (LI), and the patients' prognoses. In addition, MDR1, MRP1, MRP2, and MRP3 mRNA levels were assessed using a quantitative reverse transcriptase-polymerase chain reaction (RT-PCR) method in 22 concordant frozen specimens from these cases and the findings were compared with six control skeletal muscle tissues. Independent prognostic factors were investigated using the Cox proportional hazards regression model. Nuclear expression of YB-1 protein correlated with P-glycoprotein expression (p = 0.0126). Moreover, cases with nuclear expression of YB-1 correlated with poor survival (p = 0.0495) and showed a high topoisomerase II alpha labelling index (topo II alpha LI) (p = 0.0056) and a high MIB-1 LI (p = 0.01). Multivariate Cox analysis showed that only the nuclear expression of YB-1 (p = 0.0136) and high American Joint Committee on Cancer (AJCC) stage (ie stage III or IV) (p < 0.0001) were independent factors for poor prognosis, while the expression of the YB-1 responsive gene products examined was not. These results indicate that the nuclear expression of YB-1 protein is associated with P-glycoprotein expression and proliferative activity as shown by the topo II alpha LI and the MIB-1 LI, and that expression of this protein is an important independent prognostic factor in synovial sarcoma.
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Affiliation(s)
- Yoshinao Oda
- Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Plaat BE, Hollema H, Molenaar WM, Torn Broers GH, Pijpe J, Mastik MF, Hoekstra HJ, van den Berg E, Scheper RJ, van der Graaf WT. Soft tissue leiomyosarcomas and malignant gastrointestinal stromal tumors: differences in clinical outcome and expression of multidrug resistance proteins. J Clin Oncol 2000; 18:3211-20. [PMID: 10986053 DOI: 10.1200/jco.2000.18.18.3211] [Citation(s) in RCA: 181] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
PURPOSE Several studies have reported clinical behavior and chemotherapy resistance in leiomyosarcomas, but these studies did not differentiate between soft tissue leiomyosarcomas (LMS) and malignant gastrointestinal stromal tumors (GIST). Multidrug resistance (MDR) has been associated with the expression of P-glycoprotein (P-gp), multidrug resistance protein (MRP(1)), and lung resistance protein (LRP). The aim of the present study was to compare LMS and GIST with respect to clinical outcome and MDR parameters. PATIENTS AND METHODS Clinical outcome was evaluated in 29 patients with a primary deep-seated LMS and 26 patients with a primary malignant GIST. Paraffin-embedded material, available for 26 patients with LMS and 25 with GIST, was used for immunohistochemical detection of P-gp, MRP(1), LRP, and c-kit. RESULTS Mean overall survival (OS) was 72 months for LMS patients and 31 months for GIST patients (P: <.05). Metastases occurred in 16 (59%) of 27 assessable LMS patients and in 10 (56%) of 18 assessable GIST patients. LMS predominantly metastasized to the lungs (14 of 16 patients), whereas GIST tended to spread to the liver (five of 10 patients) and the abdominal cavity (three of 10 patients; P: <.001). P-gp and MRP(1) expression was more pronounced in GIST than in LMS (P: <.05): the mean percentage of P-gp expressing cells was 13.4% in patients with LMS and 38.4% in patients with GIST, and the mean percentage MRP(1) expressing cells was 13.3% in patients with LMS and 35.4% in patients with GIST. LRP expression did not differ between LMS and GIST. c-kit was expressed in 5% of the LMS patients and in 68% of the GIST patients. CONCLUSION LMS patients have a better survival than GIST patients, and the metastatic pattern is different. Expression of MDR proteins in LMS is less pronounced than in GIST.
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Affiliation(s)
- B E Plaat
- Department of Pathology, University Hospital Groningen, The Netherlands.
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Coley HM, Verrill MW, Gregson SE, Odell DE, Fisher C, Judson IR. Incidence of P-glycoprotein overexpression and multidrug resistance (MDR) reversal in adult soft tissue sarcoma. Eur J Cancer 2000; 36:881-8. [PMID: 10785593 DOI: 10.1016/s0959-8049(00)00032-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Multidrug resistance (MDR) is a widespread problem in the treatment of neoplastic diseases and may limit the effectiveness of treatment of adult soft tissue sarcomas (STS). We examined the levels of expression of the MDR marker P-glycoprotein (Pgp) in fresh, surgical material and matched paraffin-embedded tissue using MRK-16 and JSB-1 monoclonal antibodies. Using fresh tumour material in short-term culture an assessment of doxorubicin sensitivity (MTT assay) and MDR modulation using PSC-833 in daunorubicin (DNR) accumulation experiments (FACS analysis) was carried out. 44 patients were studied at various disease stages with a mean follow-up duration of 487 days (range: 45-1095 days). Immunocytochemistry and immunohistochemistry showed 62% and 58%, respectively, of STS samples were positive for Pgp. Patients showing negative Pgp expression had a median survival of 544 days versus 431 days for Pgp-positive patients (P=0.311), with disease-free survival medians of 508 and 355 days, respectively (P=0.203). In vitro doxorubicin sensitivity was not informative in this respect and there was no apparent relationship between this and Pgp expression. Eleven out of 29 samples evaluated for MDR modulation showed enhanced tumour cell DNR accumulation. However, the effects of PSC-833 on drug accumulation in clinical material were modest compared with those seen for MDR cell lines, with a maximum of only 20% enhancement. Moreover, there was no relationship between the extent of PSC-833 effects on accumulation and the levels of Pgp seen in the STS samples. Nevertheless, we show evidence that a proportion of cases of STS express moderate to high levels of Pgp. There may be a role for MDR modulating agents in association with doxorubicin in the treatment of these tumours, either in the adjuvant setting or at first relapse.
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Affiliation(s)
- H M Coley
- CRC Centre for Cancer Therapeutics, Institute of Cancer Research, 15 Cotswold Rd, Sutton, UK.
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Jimenez RE, Zalupski MM, Frank JJ, Du W, Ryan JR, Lucas DR. Multidrug resistance phenotype in high grade soft tissue sarcoma: correlation of P-glycoprotein immunohistochemistry with pathologic response to chemotherapy. Cancer 1999; 86:976-81. [PMID: 10491523 DOI: 10.1002/(sici)1097-0142(19990915)86:6<976::aid-cncr12>3.0.co;2-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND P-glycoprotein-mediated drug efflux has been implicated as an important mechanism of multidrug resistance (MDR) in cancer. Its role in chemotherapy resistance in soft tissue sarcoma is unclear. METHODS Tumor specimens prior to and following neoadjuvant chemotherapy from 29 cases of high grade soft tissue sarcoma were analyzed with 2 monoclonal antibodies (C494 and JSB-1) that recognize different epitopes of P-glycoprotein. Staining intensity was graded 0 = negative, 1 = equivocal, 2 = moderate, 3 = strong. Only cases with Grade 2 or 3 staining intensity with both antibodies were considered MDR positive. The resection specimens were evaluated for tumor necrosis postchemotherapy. Pathologic response was graded as good for <15%, moderate for 15-50%, or poor for >50% posttreatment tumor viability. RESULTS Of the 29 pretreatment specimens, 10 (34%) were MDR positive and 19 (66%) were MDR negative. Pathologic response to treatment was characterized as good in 6, moderate in 7, and poor in 16 patients. Of the MDR positive biopsies, 9 (90%) had poor response, compared with 7 (36%) in the MDR negative biopsy group (P = 0.0078). None of the cases with MDR positive biopsies had a good response, compared with 6 cases in which biopsies were MDR negative (32%) (P = 0.057). Only one MDR negative case became MDR positive posttreatment. CONCLUSIONS Expression of MDR phenotype is found in approximately one-third of high grade soft tissue sarcomas. These preliminary data show a significant correlation between MDR phenotype and poor pathologic response to chemotherapy, and suggest that MDR induction by chemotherapy in soft tissue sarcoma is an uncommon event.
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Affiliation(s)
- R E Jimenez
- Department of Pathology, Harper Hospital, Wayne State University and the Karmanos Cancer Institute, Detroit, Michigan 48201, USA
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