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Pallesen EMH, Gluud M, Vadivel CK, Buus TB, de Rooij B, Zeng Z, Ahmad S, Willerslev-Olsen A, Röhrig C, Kamstrup MR, Bay L, Lindahl L, Krejsgaard T, Geisler C, Bonefeld CM, Iversen L, Woetmann A, Koralov SB, Bjarnsholt T, Frieling J, Schmelcher M, Ødum N. Endolysin Inhibits Skin Colonization by Patient-Derived Staphylococcus Aureus and Malignant T-Cell Activation in Cutaneous T-Cell Lymphoma. J Invest Dermatol 2023; 143:1757-1768.e3. [PMID: 36889662 DOI: 10.1016/j.jid.2023.01.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 12/15/2022] [Accepted: 01/10/2023] [Indexed: 03/08/2023]
Abstract
Staphylococcus aureus is suspected to fuel disease activity in cutaneous T-cell lymphomas. In this study, we investigate the effect of a recombinant, antibacterial protein, endolysin (XZ.700), on S. aureus skin colonization and malignant T-cell activation. We show that endolysin strongly inhibits the proliferation of S. aureus isolated from cutaneous T-cell lymphoma skin and significantly decreases S. aureus bacterial cell counts in a dose-dependent manner. Likewise, ex vivo colonization of both healthy and lesional skin by S. aureus is profoundly inhibited by endolysin. Moreover, endolysin inhibits the patient-derived S. aureus induction of IFNγ and the IFNγ-inducible chemokine CXCL10 in healthy skin. Whereas patient-derived S. aureus stimulates activation and proliferation of malignant T cells in vitro through an indirect mechanism involving nonmalignant T cells, endolysin strongly inhibits the effects of S. aureus on activation (reduced CD25 and signal transducer and activator of transcription 5 phosphorylation) and proliferation (reduced Ki-67) of malignant T cells and cell lines in the presence of nonmalignant T cells. Taken together, we provide evidence that endolysin XZ.700 inhibits skin colonization, chemokine expression, and proliferation of pathogenic S. aureus and blocks their potential tumor-promoting effects on malignant T cells.
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Affiliation(s)
- Emil M H Pallesen
- LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark; Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Maria Gluud
- LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark; Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Chella Krishna Vadivel
- LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark; Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Terkild B Buus
- LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark; Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Bob de Rooij
- Micreos Human Health B.V., Bilthoven, the Netherlands
| | - Ziao Zeng
- LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark; Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Sana Ahmad
- LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark; Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Andreas Willerslev-Olsen
- LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark; Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | | | - Maria R Kamstrup
- Department of Dermatology, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark
| | - Lene Bay
- Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Lise Lindahl
- Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark
| | - Thorbjørn Krejsgaard
- LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark; Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Carsten Geisler
- LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark; Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Charlotte M Bonefeld
- LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark; Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Lars Iversen
- Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark
| | - Anders Woetmann
- LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark; Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Sergei B Koralov
- Department of Pathology, NYU School of Medicine, New York, New York, USA
| | - Thomas Bjarnsholt
- Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | | | | | - Niels Ødum
- LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark; Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark.
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Rittig AH, Johansen C, Celis P, Odum N, Litman T, Woetmann A, Lindahl LM, Iversen L. Suppressed microRNA-195-5p expression in mycosis fungoides promotes tumor cell proliferation. Exp Dermatol 2020; 30:1141-1149. [PMID: 32492224 DOI: 10.1111/exd.14124] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 05/19/2020] [Accepted: 05/24/2020] [Indexed: 01/04/2023]
Abstract
BACKGROUND Several cancers, including mycosis fungoides (MF), have reported dysregulation of miR-195-5p. miR-195-5p plays a role in cell cycle regulation in several malignant diseases. OBJECTIVES This study aimed to investigate: (a) the expression level of miR-195-5p in lesional MF skin biopsies and (b) the potential regulatory roles of miR-195-5p in MF. METHODS Quantitative real-time polymerase chain reaction (RT-qPCR) was used to determine miR-195-5p expression in MF skin biopsies and cell lines. The effect of miR-195-5p and ADP-ribosylation factor-like protein 2 (ARL2) on cell cycle and apoptosis was measured by flow cytometry assays. Changes in ARL2 expression were determined by RT-qPCR and Western blotting (WB). RESULTS We found lower expression levels of miR-195-5p in lesional skin from MF patients compared with non-lesional MF skin and skin from healthy volunteers. Additionally, miR-195-5p showed lower expression levels in the skin from patients with disease progression compared with patients with stable disease. In vitro studies showed that overexpression of miR-195-5p induced a cell cycle arrest in G0G1. Using microarray analysis, we identified several genes that were regulated after miR-195-5p overexpression. The most downregulated gene after miR-195-5p mimic transfection was ARL2. RT-qPCR and WB analyses confirmed downregulation of ARL2 following transfection with miR-195-5p mimic. Lastly, transfection with siRNA against ARL2 also induced a G0G1 arrest. CONCLUSION Upregulation of miR-195-5p in MF inhibits cycle arrest by downregulation of ARL2. miR-195-5p may thus function as a tumor suppressor in MF and low miR-195-5p expression in lesional MF skin may promote disease progression.
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Affiliation(s)
- Anne H Rittig
- Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark
| | - Claus Johansen
- Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark
| | - Pamela Celis
- Department of Molecular Medicine, Aarhus University, Aarhus, Denmark
| | - Niels Odum
- Department of Immunology and Microbiology, Leo Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark
| | - Thomas Litman
- Department of Immunology and Microbiology, Leo Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark
| | - Anders Woetmann
- Department of Immunology and Microbiology, Leo Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark
| | - Lise M Lindahl
- Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark
| | - Lars Iversen
- Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark
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3
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Moyal L, Goldfeiz N, Gorovitz B, Rephaeli A, Tal E, Tarasenko N, Nudelman A, Ziv Y, Hodak E. AN-7, a butyric acid prodrug, sensitizes cutaneous T-cell lymphoma cell lines to doxorubicin via inhibition of DNA double strand breaks repair. Invest New Drugs 2017; 36:1-9. [PMID: 28884410 DOI: 10.1007/s10637-017-0500-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Accepted: 08/10/2017] [Indexed: 12/13/2022]
Abstract
We previously found that the novel histone deacetylase inhibitor (HDACI) butyroyloxymethyl diethylphosphate (AN-7) had greater selectivity against cutaneous T-cell lymphoma (CTCL) than SAHA. AN-7 synergizes with doxorubicin (Dox), an anthracycline antibiotic that induces DNA breaks. This study aimed to elucidate the mechanism underlying the effect of AN-7 on Dox-induced double-strand DNA breaks (DSBs) in CTCL, MyLa and Hut78 cell lines. The following markers/assays were employed: comet assay; western blot of γH2AX and p-KAP1; immunofluorescence of γH2AX nuclear foci; Western blot of repair protein; quantification of DSBs-repair through homologous recombination. DSB induction by Dox was evidenced by an increase in DSB markers, and DSBs-repair, by their subsequent decrease. The addition of AN-7 slightly increased Dox induction of DSBs in MyLa cells with no effect in Hut78 cells. AN-7 inhibited the repair of Dox-induced DSBs, with a more robust effect in Hut78. Treatment with AN-7 followed by Dox reduced the expression of DSB-repair proteins, with direct interference of AN-7 with the homologous recombination repair. AN-7 sensitizes CTCL cell lines to Dox, and when combined with Dox, sustains unrepaired DSBs by suppressing repair protein expression. Our data provide a mechanistic rationale for combining AN-7 with Dox or other DSB inducers as a therapeutic modality in CTCL.
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Affiliation(s)
- Lilach Moyal
- Laboratory for Molecular Dermatology, Felsenstein Medical Research Center, Petach Tikva and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
- Department of Dermatology, Rabin Medical Center, Petach Tikva, and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Neta Goldfeiz
- Laboratory for Molecular Dermatology, Felsenstein Medical Research Center, Petach Tikva and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Dermatology, Rabin Medical Center, Petach Tikva, and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Batia Gorovitz
- Laboratory for Molecular Dermatology, Felsenstein Medical Research Center, Petach Tikva and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Dermatology, Rabin Medical Center, Petach Tikva, and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ada Rephaeli
- Laboratory for Pharmacology and Experimental Oncology, Felsenstein Medical Research Center, Petach Tikva, and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Efrat Tal
- The David and Inez Myers Laboratory for Cancer Research, Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Nataly Tarasenko
- Laboratory for Pharmacology and Experimental Oncology, Felsenstein Medical Research Center, Petach Tikva, and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Abraham Nudelman
- Division of Medicinal Chemistry, Department of Chemistry, Bar Ilan University, Ramat Gan, Israel
| | - Yael Ziv
- The David and Inez Myers Laboratory for Cancer Research, Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Emmilia Hodak
- Laboratory for Molecular Dermatology, Felsenstein Medical Research Center, Petach Tikva and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Dermatology, Rabin Medical Center, Petach Tikva, and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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4
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Liszewski W, Naym DG, Biskup E, Gniadecki R. Psoralen with ultraviolet A-induced apoptosis of cutaneous lymphoma cell lines is augmented by type I interferons via the JAK1-STAT1 pathway. PHOTODERMATOLOGY PHOTOIMMUNOLOGY & PHOTOMEDICINE 2017; 33:164-171. [DOI: 10.1111/phpp.12302] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/06/2017] [Indexed: 12/12/2022]
Affiliation(s)
- Walter Liszewski
- Department of Dermatology; Bispebjerg Hospital; Copenhagen Denmark
| | - David Gram Naym
- Department of Dermatology; Bispebjerg Hospital; Copenhagen Denmark
| | - Edyta Biskup
- Department of Dermatology; Bispebjerg Hospital; Copenhagen Denmark
| | - Robert Gniadecki
- Department of Dermatology; Bispebjerg Hospital; Copenhagen Denmark
- Faculty of Health Sciences; University of Copenhagen; Copenhagen Denmark
- Division of Dermatology; University of Alberta; Edmonton AB Canada
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5
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Thestrup-Pedersen K. Cutaneous T-Cell Lymphoma. A hypothesis on disease pathophysiology involving deficiency in DNA repair. J Eur Acad Dermatol Venereol 2016; 30:1682-1685. [DOI: 10.1111/jdv.13852] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Accepted: 05/24/2016] [Indexed: 11/28/2022]
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The Therapeutic Potential of AN-7, a Novel Histone Deacetylase Inhibitor, for Treatment of Mycosis Fungoides/Sezary Syndrome Alone or with Doxorubicin. PLoS One 2016; 11:e0146115. [PMID: 26752418 PMCID: PMC4709199 DOI: 10.1371/journal.pone.0146115] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Accepted: 12/13/2015] [Indexed: 12/12/2022] Open
Abstract
The 2 histone deacetylase inhibitors (HDACIs) approved for the treatment of cutaneous T-cell lymphoma (CTCL) including mycosis fungoides/sezary syndrome (MF/SS), suberoylanilide hydroxamic acid (SAHA) and romidepsin, are associated with low rates of overall response and high rates of adverse effects. Data regarding combination treatments with HDACIs is sparse. Butyroyloxymethyl diethylphosphate (AN-7) is a novel HDACI, which was found to have selective anticancer activity in several cell lines and animal models. The aim of this study was to compare the anticancer effects of AN-7 and SAHA, either alone or combined with doxorubicin, on MF/SS cell lines and peripheral blood lymphocytes (PBL) from patients with Sezary syndrome (SPBL). MyLa cells, Hut78 cells, SPBL, and PBL from healthy normal individuals (NPBL) were exposed to the test drugs, and the findings were analyzed by a viability assay, an apoptosis assay, and Western blot. AN-7 was more selectively toxic to MyLa cells, Hut78 cells, and SPBL (relative to NPBL) than SAHA and also acted more rapidly. Both drugs induced apoptosis in MF/SS cell lines, SAHA had a greater effect on MyLa cell line, while AN-7 induced greater apoptosis in SPBL; both caused an accumulation of acetylated histone H3, but AN-7 was associated with earlier kinetics; and both caused a downregulation of the HDAC1 protein in MF/SS cell lines. AN-7 acted synergistically with doxorubicin in both MF/SS cell lines and SPBL, and antagonistically with doxorubicin in NPBL. By contrast, SAHA acted antagonistically with doxorubicin on MF/SS cell lines, SPBL, and NPBL, leaving <50% viable cells. In conclusion, AN-7 holds promise as a therapeutic agent in MF/SS and has several advantages over SAHA. Our data provide a rationale for combining AN-7, but not SAHA, with doxorubicin to induce the cell death in MF/SS.
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7
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Woetmann A, Lovato P, Eriksen KW, Krejsgaard T, Labuda T, Zhang Q, Mathiesen AM, Geisler C, Svejgaard A, Wasik MA, Ødum N. Nonmalignant T cells stimulate growth of T-cell lymphoma cells in the presence of bacterial toxins. Blood 2006; 109:3325-32. [PMID: 17179233 PMCID: PMC1852254 DOI: 10.1182/blood-2006-04-017863] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Bacterial toxins including staphylococcal enterotoxins (SEs) have been implicated in the pathogenesis of cutaneous T-cell lymphomas (CTCLs). Here, we investigate SE-mediated interactions between nonmalignant T cells and malignant T-cell lines established from skin and blood of CTCL patients. The malignant CTCL cells express MHC class II molecules that are high-affinity receptors for SE. Although treatment with SE has no direct effect on the growth of the malignant CTCL cells, the SE-treated CTCL cells induce vigorous proliferation of the SE-responsive nonmalignant T cells. In turn, the nonmalignant T cells enhance proliferation of the malignant cells in an SE- and MHC class II-dependent manner. Furthermore, SE and, in addition, alloantigen presentation by malignant CTCL cells to irradiated nonmalignant CD4(+) T-cell lines also enhance proliferation of the malignant cells. The growth-promoting effect depends on direct cell-cell contact and soluble factors such as interleukin-2. In conclusion, we demonstrate that SE triggers a bidirectional cross talk between nonmalignant T cells and malignant CTCL cells that promotes growth of the malignant cells. This represents a novel mechanism by which infections with SE-producing bacteria may contribute to pathogenesis of CTCL.
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Affiliation(s)
- Anders Woetmann
- Institute of Molecular Biology, University of Copenhagen, Blegdamsvej 3c, DK 2200 Copenhagen N, Denmark
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8
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Thestrup-Pedersen K, Kaltoft K. Genotraumatic T cells and cutaneous T-cell lymphoma. A causal relationship? Arch Dermatol Res 1994; 287:97-101. [PMID: 7726642 DOI: 10.1007/bf00370726] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Mycosis fungoides, or cutaneous T-cell lymphoma (CTCL), is a T-cell mediated chronic inflammatory skin disease, which can occasionally progress with a variable time course to a fatal lymphoma or to a leukaemic form called Sézary's syndrome. Extensive research into CTCL has not yet elucidated the primary pathophysiological mechanisms. Immunohistological studies are so far less helpful than expected in establishing early diagnosis and prognosis of the disease. The proposition that an exogenous virus is the cause of CTCL has not been substantiated. Karyotypic analysis of lymphocytes from the skin and blood of patients with CTCL have shown the existence of several genetically aberrant T-cell clones in the same patient. These changes are discussed as potential primary events for the development of CTCL. The hypothesis is put forward that the development of genotraumatic T lymphocytes is involved in the progression of the disease.
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10
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Hansen ER, Vejlsgaard GL, Cooper KD, Heidenheim M, Larsen JK, Ho VC, Ross CW, Fox DA, Thomsen K, Baadsgaard O. Leukemic T cells from patients with cutaneous T-cell lymphoma demonstrate enhanced activation through CDw60, CD2, and CD28 relative to activation through the T-cell antigen receptor complex. J Invest Dermatol 1993; 100:667-73. [PMID: 8098345 DOI: 10.1111/1523-1747.ep12472333] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Antigen-dependent activation of T cells occurs through the T-cell antigen-receptor complex (TCR/CD3). Antigen-independent T-cell activation may occur through the surface molecules CDw60, CD2, and CD28. We wished to determine whether these antigen-independent T-cell-activation pathways could be involved in proliferation of leukemic T cells from patients with cutaneous T-cell lymphoma (CTCL). Whereas CDw60 was only expressed on 28% +/- 7% (mean +/- SEM) of blood T cells obtained from healthy control subjects (n = 4), CDw60 was expressed on 94% +/- 3% of blood T cells obtained from patients with CTCL (n = 4). Dual color immunofluorescence microscopy of the T-cell infiltrate in involved skin of these patients demonstrated that almost 100% of the T cells expressed CDw60. Not only did T cells in the patients with CTCL express CDw60, but triggering of the T cells with anti-CDw60 resulted in enhanced proliferation relative to anti-TCR/CD3 and mitogenic lectins. Other antigen-independent pathways also appeared highly active in the T cells from patients with CTCL because enhanced proliferation relative to anti-TCR/CD3 or mitogenic lectins was found when anti-CD2 or anti-CD28 plus phorbol ester was used as stimulant. Despite the brisk proliferation induced by anti-CDw60, anti-CD2, or anti-CD28, T cells from the patients did not produce detectable amounts of gamma-interferon. The inability to produce gamma-interferon correlates with our finding of absent (n = 3) or weak (n = 1) intercellular adhesion molecule-1 expression in the lesional keratinocytes in these patients. In conclusion, T cells of patients with CTCL demonstrate elevated expression of a T-cell-independent signaling molecule CDw60 and respond to antigen-independent activating signals.
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Affiliation(s)
- E R Hansen
- Department of Dermatology, Gentofte Hospital, University of Copenhagen, Denmark
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11
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Abrams JT, Lessin S, Ghosh SK, Ju W, Vonderheid EC, Nowell P, Murphy G, Elfenbein B, DeFreitas E. A clonal CD4-positive T-cell line established from the blood of a patient with Sézary syndrome. J Invest Dermatol 1991; 96:31-7. [PMID: 1987293 DOI: 10.1111/1523-1747.ep12514693] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The reported inability to establish long-term T-cell lines from the blood of cutaneous T-cell lymphoma patients with circulating neoplastic T cells has hindered the development of an in vitro system to investigate Sézary syndrome. We have established a rapidly proliferating T-cell line from the peripheral blood of a patient with Sézary syndrome, which expresses a mature helper T-cell phenotype and contains cytogenetic abnormalities and T-cell receptor gene rearrangements identical to those in the patient's blood. The method of establishment and characteristics of this line are described.
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Affiliation(s)
- J T Abrams
- Wistar Institute, Philadelphia, PA 19104
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12
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Ranki A, Niemi KM, Nieminen P, Krohn K. Antibodies against retroviral core proteins in relation to disease outcome in patients with mycosis fungoides. Arch Dermatol Res 1990; 282:532-8. [PMID: 2082836 DOI: 10.1007/bf00371949] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
We have studied the relationship of antibodies reacting with human retroviral core proteins to the disease outcome in Finnish mycosis fungoides (MF) patients in a prospective manner. Antibodies recognizing human T-cell leukaemia/lymphoma virus I (HTLV-I) or human immunodeficiency virus type 1 (HIV-1) core proteins were found in 12 of 14 MF patients as shown by the Western blot method. The antibody reactivities showed three patterns: three patients had antibodies cross-reacting with the gag-encoded core proteins of both HTLV-I and HIV-1; seven patients showed antibodies reacting with HTLV-I core proteins only; and the sera of two patients reacted with HIV p24 core protein only. When following the clinical course of these patients, we found that the three patients with antibodies cross-reacting with both viruses had the most fulminant clinical course, and the overall duration of MF was, on average, 4 years less than in the rest of the patients. None of the patients, however, became leukaemic, or showed any other features suggestive of acute T-cell leukaemia/lymphoma (ATL). Two patients, who did not show anti-retroviral antibodies during the follow-up, had a stable disease with plaque-type skin lesions. Histological or immunohistological typing of the skin infiltrates did not correlate with the disease outcome or the above antibody patterns. Our results thus raise the possibility that an unknown retrovirus, immunologically related to the known human retroviruses, may be aetiologically linked to MF.
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Affiliation(s)
- A Ranki
- Department of Dermatology, Helsinki University Central Hospital, Finland
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13
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Ratner L, Griffith RC, Marselle L, Hoh M, Wong-Staal F, Saxinger C. A lymphoproliferative disorder caused by human T-lymphotropic virus type I. Demonstration of a continuum between acute and chronic adult T-cell leukemia/lymphoma. Am J Med 1987; 83:953-8. [PMID: 2890302 DOI: 10.1016/0002-9343(87)90658-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A 35-year-old black man is described who had a human T-lymphotropic virus type I (HTLV-I) infection while living in a non-endemic region. A lymphoproliferative disorder developed that might be considered as a transition stage between acute and chronic adult T-cell leukemia/lymphoma. This suggests that HTLV-I-induced neoplasias represent a continuous disease spectrum.
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Affiliation(s)
- L Ratner
- Department of Medicine, Washington University, St. Louis, Missouri 63110
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14
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Affiliation(s)
- D N Slater
- Rotherham District Hospital, Oakwood, U.K
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15
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Kaltoft K, Bisballe S, Rasmussen HF, Thestrup-Pedersen K, Thomsen K, Sterry W. A continuous T-cell line from a patient with Sézary syndrome. Arch Dermatol Res 1987; 279:293-8. [PMID: 3498444 DOI: 10.1007/bf00431220] [Citation(s) in RCA: 105] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A continuous cell line, Se-Ax, from a patient with Sézary syndrome has been established. The Se-Ax cell line is IL-2 dependent, requires human serum for permanent growth, and has the following phenotype: CD1-, CD2+, CD3+, CD4-, CD5-, CD8-, CD20-, CD25+; it expresses the T9, T10, and HLA-DR antigens. This cell line reveals multiple chromosome aberrations as seen in the most abundant abnormal clone in peripheral blood. Therefore, it is not unlikely that it derives from tumor cells. A putative cytotoxic cell line derived from the same patient has only weak killer-cell activity against the autologous permanent cell line: this CD8+ cytotoxic cell line has a 14q+ chromosomal marker. The fact that the patient demonstrated no natural killer-cell or activated killer-cell activity against the Se-Ax cell line may in part explain the successful establishment of the continuous cell line from bulk culture.
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16
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Jensen JR, Kaltoft K, Bisballe S, Thestrup-Pedersen K. Natural and concanavalin A-induced cytotoxic activity towards continuously growing B lymphocytes derived from patients with cutaneous T-cell lymphoma. Arch Dermatol Res 1986; 279:12-5. [PMID: 3101618 DOI: 10.1007/bf00404351] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Continuously growing T- and B-cell lines were derived from peripheral blood, affected skin, and lymph nodes of patients with mycosis fungoides (MF) and Sézary syndrome (SS). Two lymphoblastoid cell lines (MF-13 and SS-2) were Epstein-Barr virus (EBV)-transformed B cells evaluated by surface immunoglobulin, lack of E-rosette formation, positive EBV nuclear antibody test, and secretion of IgM antibody in a plaque-forming cell assay. Analysis of the natural-killer-cell activity using peripheral blood lymphocytes from patients with MF and healthy control persons towards MF-13 and SS-2 target cells suggested resistance to lysis even in tests supplemented with 1,000 IU/ml human gamma-interferon. However, the cell lines were not per se completely resistant to lysis because lymphocytes from control persons showed significant cytotoxicity in an 18-h assay supplemented with 2 micrograms/ml concanavalin A.
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Jensen JR, Kaltoft K, Thestrup-Pedersen K. Imbalance of T helper and T suppressor cells and reduced plaque-forming cell capacity of mononuclear cells from patients with mycosis fungoides. Clin Exp Dermatol 1986; 11:467-74. [PMID: 2949896 DOI: 10.1111/j.1365-2230.1986.tb00494.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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