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Signa S, Bertoni A, Penco F, Caorsi R, Cafaro A, Cangemi G, Volpi S, Gattorno M, Schena F. Adenosine Deaminase 2 Deficiency (DADA2): A Crosstalk Between Innate and Adaptive Immunity. Front Immunol 2022; 13:935957. [PMID: 35898506 PMCID: PMC9309328 DOI: 10.3389/fimmu.2022.935957] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 06/10/2022] [Indexed: 11/30/2022] Open
Abstract
Deficiency of Adenosine deaminase 2 (DADA2) is a monogenic autoinflammatory disorder presenting with a broad spectrum of clinical manifestations, including immunodeficiency, vasculopathy and hematologic disease. Biallelic mutations in ADA2 gene have been associated with a decreased ADA2 activity, leading to reduction in deamination of adenosine and deoxyadenosine into inosine and deoxyinosine and subsequent accumulation of extracellular adenosine. In the early reports, the pivotal role of innate immunity in DADA2 pathogenic mechanism has been underlined, showing a skewed polarization from the M2 macrophage subtype to the proinflammatory M1 subtype, with an increased production of inflammatory cytokines such as TNF-α. Subsequently, a dysregulation of NETosis, triggered by the excess of extracellular Adenosine, has been implicated in the pathogenesis of DADA2. In the last few years, evidence is piling up that adaptive immunity is profoundly altered in DADA2 patients, encompassing both T and B branches, with a disrupted homeostasis in T-cell subsets and a B-cell skewing defect. Type I/type II IFN pathway upregulation has been proposed as a possible core signature in DADA2 T cells and monocytes but also an increased IFN-β secretion directly from endothelial cells has been described. So far, a unifying clear pathophysiological explanation for the coexistence of systemic inflammation, immunedysregulation and hematological defects is lacking. In this review, we will explore thoroughly the latest understanding regarding DADA2 pathophysiological process, with a particular focus on dysregulation of both innate and adaptive immunity and their interacting role in the development of the disease.
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Affiliation(s)
- Sara Signa
- Center for Autoinflammatory Diseases and Immunodeficiencies, Istituto di Ricovero e cura a carattere scientifico (IRCCS) Istituto Giannina Gaslini, Genoa, Italy
| | - Arinna Bertoni
- Center for Autoinflammatory Diseases and Immunodeficiencies, Istituto di Ricovero e cura a carattere scientifico (IRCCS) Istituto Giannina Gaslini, Genoa, Italy
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal-Child Sciences (DINOGMI), University of Genoa, Genoa, Italy
| | - Federica Penco
- Center for Autoinflammatory Diseases and Immunodeficiencies, Istituto di Ricovero e cura a carattere scientifico (IRCCS) Istituto Giannina Gaslini, Genoa, Italy
| | - Roberta Caorsi
- Center for Autoinflammatory Diseases and Immunodeficiencies, Istituto di Ricovero e cura a carattere scientifico (IRCCS) Istituto Giannina Gaslini, Genoa, Italy
| | - Alessia Cafaro
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, Istituto di Ricovero e cura a carattere scientifico (IRCCS) Istituto Giannina Gaslini, Genoa, Italy
| | - Giuliana Cangemi
- Chromatography and Mass Spectrometry Section, Central Laboratory of Analysis, Istituto di Ricovero e cura a carattere scientifico (IRCCS) Istituto Giannina Gaslini, Genoa, Italy
| | - Stefano Volpi
- Center for Autoinflammatory Diseases and Immunodeficiencies, Istituto di Ricovero e cura a carattere scientifico (IRCCS) Istituto Giannina Gaslini, Genoa, Italy
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal-Child Sciences (DINOGMI), University of Genoa, Genoa, Italy
| | - Marco Gattorno
- Center for Autoinflammatory Diseases and Immunodeficiencies, Istituto di Ricovero e cura a carattere scientifico (IRCCS) Istituto Giannina Gaslini, Genoa, Italy
- *Correspondence: Marco Gattorno,
| | - Francesca Schena
- Center for Autoinflammatory Diseases and Immunodeficiencies, Istituto di Ricovero e cura a carattere scientifico (IRCCS) Istituto Giannina Gaslini, Genoa, Italy
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Koellner G, Luić M, Shugar D, Saenger W, Bzowska A. Crystal structure of calf spleen purine nucleoside phosphorylase in a complex with hypoxanthine at 2.15 A resolution. J Mol Biol 1997; 265:202-16. [PMID: 9020983 DOI: 10.1006/jmbi.1996.0730] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Trimeric calf spleen purine nucleoside phosphorylase has been complexed with hypoxanthine via phosphorolysis of inosine in the presence of phosphate. The resulting, "Michaelis" complex (three hypoxanthine molecules per trimer), presumed to be formed under these conditions, crystallized in the cubic space group P2(1)3, with unit cell dimension a = 94.11 A and one monomer in the asymmetric crystal unit; the biologically active trimer is located on the crystallographic 3-fold axis. High-resolution X-ray diffraction data were collected using synchrotron radiation (EMBL outstation, Hamburg, c/o DESY). The crystal structure has been determined by molecular replacement and refined at 2.15 A resolution to an R-value of 0.18. In the hypoxanthine binding site, a cis-peptide bond between Asn243 and Lys244 is observed. Side-chains of GIu201 and Asn243, as well as one integral water molecule located in the base binding site, form hydrogen bonds with the hypoxanthine N-1 H, N-7 H and O-6. A second water molecule links the base positions N-3 and N-9 with an adjacent pocket, which presumably is the phosphate-binding site. This pocket is filled completely by a cluster of six water molecules. Hence all possible donor/acceptor-positions of hypoxanthine are saturated by hydrogen-bonding to protein side-chains or integral water molecules. Purine nucleoside phosphorylase isolated form human tissues is a primary target for chemotherapeutic intervention, and the more stable calf enzyme has similar physico-chemical and kinetic properties, as well as response to inhibitors. Hence the high-resolution structure presented here may serve for design of inhibitors with potential pharmacological applications.
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Affiliation(s)
- G Koellner
- Institut für Kristallographie Freie Universität Berlin, Germany
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3
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Wakamiya M, Blackburn MR, Jurecic R, McArthur MJ, Geske RS, Cartwright J, Mitani K, Vaishnav S, Belmont JW, Kellems RE. Disruption of the adenosine deaminase gene causes hepatocellular impairment and perinatal lethality in mice. Proc Natl Acad Sci U S A 1995; 92:3673-7. [PMID: 7731963 PMCID: PMC42023 DOI: 10.1073/pnas.92.9.3673] [Citation(s) in RCA: 128] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
We have generated mice with a null mutation at the Ada locus, which encodes the purine catabolic enzyme adenosine deaminase (ADA, EC 3.5.4.4). ADA-deficient fetuses exhibited hepatocellular impairment and died perinatally. Their lymphoid tissues were not largely affected. Accumulation of ADA substrates was detectable in ADA-deficient conceptuses as early as 12.5 days postcoitum, dramatically increasing during late in utero development, and is the likely cause of liver damage and fetal death. The results presented here demonstrate that ADA is important for the homeostatic maintenance of purines in mice.
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Affiliation(s)
- M Wakamiya
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
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Hughes M, Vassilakos A, Andrews DW, Hortelano G, Belmont JW, Chang PL. Delivery of a secretable adenosine deaminase through microcapsules--a novel approach to somatic gene therapy. Hum Gene Ther 1994; 5:1445-55. [PMID: 7711137 DOI: 10.1089/hum.1994.5.12-1445] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Many current gene therapy protocols require genetic modification of autologous cells. An alternate approach is to use universal recombinant cell lines engineered to secrete in vivo the desired gene products. Enclosing these cells within immunoprotective devices before implantation would prevent rejection of the nonautologous donor cells. To overcome the limitation that not all therapeutic gene products are secreted, we now propose to fuse a signal sequence to the amino terminus of a nonsecreted protein such as human adenosine deaminase (ADA), thus directing the product into a secretory pathway for release from the cells. A fusion gene constructed between the cDNA of the beta-lactamase signal sequence and human ADA expressed a product after in vitro transcription and translation that was immunologically similar to the human protein. Mouse fibroblasts transfected with the fusion gene demonstrated secreted ADA activity that resembled the human cytosolic enzyme in its heat stability, pH optimum, KM, electrophoretic mobility, and immunologic reactivity. Hence, the secreted enzyme expressed from the fusion gene is antigenically and enzymatically similar to the authentic human form. When transfected mouse fibroblasts or myoblasts were enclosed in permselective alginate-poly-L-lysine alginate microcapsules, ADA activity was secreted from the microcapsules and the cells remained viable for over 5 months. Hence, a secretable and functional human ADA has been constructed that can be delivered from recombinant cells within immunoprotective capsules. The success of this strategy provides the prototype for engineering nonsecreted gene products for therapy via this novel method of somatic gene therapy.
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Affiliation(s)
- M Hughes
- Department of Pediatrics, McMaster University, Hamilton, Ontario, Canada
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5
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Mitani K, Wakamiya M, Caskey CT. Long-term expression of retroviral-transduced adenosine deaminase in human primitive hematopoietic progenitors. Hum Gene Ther 1993; 4:9-16. [PMID: 8461384 DOI: 10.1089/hum.1993.4.1-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Adenosine deaminase (ADA) deficiency, a rare autosomal recessive disorder, is an ideal candidate for gene replacement therapy. By means of co-cultivation with a retroviral vector-producing cell line, we have demonstrated efficient transfer and expression of the human ADA gene into human primitive hematopoietic progenitors. At 6 weeks post-transduction in myeloid long-term bone marrow culture, approximately 50% of the clonogenic progenitors were transduced by the provirus, with ADA expression detected in 30% of transduced colonies. The ADA activity increased by 3.7-fold in the nonadherent fraction of transduced bone marrow after 9 weeks. We have also achieved efficient transduction by retroviral supernatant of normal and ADA-deficient bone marrow cells that were allowed to establish a stromal layer in long-term culture, indicating the feasibility of proceeding with attempts to perform stem cell gene therapy on patients with ADA deficiency.
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Affiliation(s)
- K Mitani
- Howard Hughes Medical Institute, Baylor College of Medicine, Houston, TX 77030
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6
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Flores JR, Alvarez JMF. Adsorptive stripping square-wave voltammetric behavior of the enzyme adenosine deaminase. ELECTROANAL 1992. [DOI: 10.1002/elan.1140040313] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Sehgal VN, Bhattacharya SN, Shah Y, Rao YN, Gupta CK. Lymphocyte adenosine deaminase activity (L-ADA) in leprosy, during and after treatment of reactions. Clin Exp Dermatol 1992; 17:20-3. [PMID: 1424252 DOI: 10.1111/j.1365-2230.1992.tb02526.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Twenty-five patients with type 1 (lepra) and type 2 (E.N.L.) leprosy reactions were studied for lymphocyte adenosine deaminase activity (L-ADA), during and after treatment of the reactions, using a standard technique, in order to establish its pattern and if possible, its value in assessing the course of reactions. The results were compared with those from 30 control subjects, comprising 10 normal healthy adults, 10 patients with borderline tuberculoid (BT) leprosy, four patients with borderline lepromatous (BL) leprosy and six patients with lepromatous (LL) leprosy. The level of L-ADA in the leprosy controls was higher than that of normal healthy subjects. The L-ADA values in patients with different types of reactions were about 10-fold higher than those obtained from leprosy controls, emphasizing a possible role in assessing reactions in leprosy. However, there was no significant variation in L-ADA levels, either between the various leprosy controls or reaction groups, before and after treatment.
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Affiliation(s)
- V N Sehgal
- Department of Dermatology and Venereology, Maulana Azad Medical College, New Delhi
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8
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Cournoyer D, Scarpa M, Mitani K, Moore KA, Markowitz D, Bank A, Belmont JW, Caskey CT. Gene transfer of adenosine deaminase into primitive human hematopoietic progenitor cells. Hum Gene Ther 1991; 2:203-13. [PMID: 1751590 DOI: 10.1089/hum.1991.2.3-203] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The inherited deficiency in adenosine deaminase (ADA), which results in severe combined immunodeficiency, is generally regarded as an optimal model for the development of human somatic gene therapy. The ideal target for the correction of ADA deficiency and other lympho-hematopoietic disorders would be the hematopoietic stem cell. We have used a combination of recombinant human interleukins-3 and -6 to stimulate the proliferation of primitive human hematopoietic progenitor cells during a period of co-cultivation with irradiated cells producing high titers of an ADA-transducing retroviral vector packaged in amphotropic particles. In a series of nine experiments, an average of 83% of the clonogenic progenitors (CFU-E and CFU-GM) were found to have acquired the transferred sequence as determined by polymerase chain reaction analysis. In addition, in two experiments, 24-44% of the clonogenic progenitors derived from long-term myeloid cultures 9 weeks post-transduction were found to contain vector sequence. The latter cells are derived from so-called "long-term culture-initiating cells" (LTC-IC), which are primitive cells probably related to hematopoietic stem cells. Moreover, the transduced ADA enzyme was found to be expressed in both normal and ADA-deficient erythroid colonies, and in the nonadherent cells of long-term bone marrow culture for at least 2 weeks at levels that approximate the endogenous ADA levels of normal erythroid cells. These results indicate that the ADA coding sequence can efficiently be introduced by retroviral gene transfer into both committed and primitive human hematopoietic progenitor cells, and that this will result in adequate expression of the transduced enzyme in the progeny of committed hematopoietic progenitors.
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Affiliation(s)
- D Cournoyer
- Institute for Molecular Genetics, Baylor College of Medicine, Houston, TX 77030
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Ferrari G, Rossini S, Giavazzi R, Maggioni D, Nobili N, Soldati M, Ungers G, Mavilio F, Gilboa E, Bordignon C. An in vivo model of somatic cell gene therapy for human severe combined immunodeficiency. Science 1991; 251:1363-6. [PMID: 1848369 DOI: 10.1126/science.1848369] [Citation(s) in RCA: 99] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Deficiency of adenosine deaminase (ADA) results in severe combined immunodeficiency (SCID), a candidate genetic disorder for somatic cell gene therapy. Peripheral blood lymphocytes from patients affected by ADA- SCID were transduced with a retroviral vector for human ADA and injected into immunodeficient mice. Long-term survival of vector-transduced human cells was demonstrated in recipient animals. Expression of vector-derived ADA restored immune functions, as indicated by the presence in reconstituted animals of human immunoglobulin and antigen-specific T cells. Retroviral vector gene transfer, therefore, is necessary and sufficient for development of specific immune functions in vivo and has therapeutic potential to correct this lethal immunodeficiency.
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Affiliation(s)
- G Ferrari
- Laboratory of Hematology, Istituto Scientifico H.S. Raffaele, Milano, Italy
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10
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Springett GM, Moen RC, Anderson S, Blaese RM, Anderson WF. Infection efficiency of T lymphocytes with amphotropic retroviral vectors is cell cycle dependent. J Virol 1989; 63:3865-9. [PMID: 2788225 PMCID: PMC250981 DOI: 10.1128/jvi.63.9.3865-3869.1989] [Citation(s) in RCA: 99] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The role of the host cell cycle in determining the efficiency of infection with amphotropically packaged retroviral vectors was investigated in T lymphocytes and in fibroblasts. For T lymphocytes, the efficiency of infection with a retroviral vector was dependent on the cell cycle distribution of cells in culture at the time of exposure to the vector. When cultures enriched in the G0-G1 phase of the cell cycle (by serum starvation, aphidicolin treatment, or centrifugal elutriation) were exposed to retroviral vectors, the infection efficiency was severalfold lower than that in similar cultures enriched in the S, G2, and M phases. For fibroblasts, the efficiency of infection was not cell cycle dependent. These findings are relevant for studies with retrovirus-mediated gene transfer into hematopoietic tissues.
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Affiliation(s)
- G M Springett
- Laboratory of Molecular Hematology, National Heart, Lung, and Blood Institute, Bethesda, Maryland 20892
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11
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Bordignon C, Yu SF, Smith CA, Hantzopoulos P, Ungers GE, Keever CA, O'Reilly RJ, Gilboa E. Retroviral vector-mediated high-efficiency expression of adenosine deaminase (ADA) in hematopoietic long-term cultures of ADA-deficient marrow cells. Proc Natl Acad Sci U S A 1989; 86:6748-52. [PMID: 2549545 PMCID: PMC297923 DOI: 10.1073/pnas.86.17.6748] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Two recombinant retroviral vectors encoding the cDNA of the human adenosine deaminase (ADA; EC 3.5.4.4) gene and the bacterial neomycin resistance (Neo) gene have been used to transduce bone marrow cells obtained from four patients affected by the ADA-deficient variant of severe combined immunodeficiency. By utilizing the long-term marrow culture system, freshly isolated bone marrow cells were subjected to multiple infection cycles with cell-free supernatants containing high titers of viral vector and then maintained in long-term marrow culture in the absence of any overt selection pressure. By using this experimental protocol, about 30-40% of the hematopoietic progenitors were productively transduced with the viral vector, as judged by the appearance of G418-resistant colonies derived from granulocyte/macrophage and multipotent hematopoietic progenitor cells. The vector-encoded human ADA gene was expressed efficiently in both the myeloid and lymphoid progeny of the cultured bone marrow cells, reaching levels between 15% and 100% as compared to the levels of ADA in normal bone marrow cells. The efficiency of gene transfer and ADA production was proportional to the number of infection cycles. Furthermore, transduction of the ADA vectors into the bone marrow cells derived from an ADA-deficient patient restored the capacity of the cells to respond to phytohemagglutinin and interleukin 2.
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Affiliation(s)
- C Bordignon
- Department of Pediatrics, Memorial Sloan-Kettering Cancer Center, New York, NY 10021
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12
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Cornetta K, Anderson WF. Protamine sulfate as an effective alternative to polybrene in retroviral-mediated gene-transfer: implications for human gene therapy. J Virol Methods 1989; 23:187-94. [PMID: 2786000 DOI: 10.1016/0166-0934(89)90132-8] [Citation(s) in RCA: 109] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The polycation protamine sulfate was compared to polybrene, the usual agent employed, for its ability to increase the efficiency of retroviral infection. The murine retroviral vector SAX, which contains the neoR gene and the human adenosine deaminase (ADA) cDNA, was used as a marker of cell infection. SAX viral supernate was titered on NIH 3T3 cells in varying concentrations of polycation. The highest infection efficiency for protamine was seen at 5 micrograms/ml and was 7-fold greater than infections performed in the absence of polycation. Infection efficiency using protamine averaged 92% +/- 11 (SEM) of the highest efficiency obtained with polybrene. Total ADA activity attained when human-ADA deficient T cells were exposed to SAX supernate in the presence of protamine was 83% of that attained with polybrene. The infection rate of mouse bone marrow early progenitor cells (CFU-S) was similar with each polycation. In summary, for supernate infections, concentrations of 5-10 micrograms/ml of protamine provided essentially the same infection efficiency as polybrene with low toxicity on a range of cell types. Since protamine is approved for human use by the U.S. Food and Drug Administration it provides an effective alternative to polybrene when developing human gene therapy protocols.
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Affiliation(s)
- K Cornetta
- Laboratory of Molecular Hematology, National Heart, Lung and Blood Institute, Bethesda, Maryland 20892
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Kantoff PW, Kohn DB, Mitsuya H, Armentano D, Sieberg M, Zwiebel JA, Eglitis MA, McLachlin JR, Wiginton DA, Hutton JJ. Correction of adenosine deaminase deficiency in cultured human T and B cells by retrovirus-mediated gene transfer. Proc Natl Acad Sci U S A 1986; 83:6563-7. [PMID: 3489233 PMCID: PMC386544 DOI: 10.1073/pnas.83.17.6563] [Citation(s) in RCA: 126] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
A retroviral vector called SAX, containing the cloned human cDNA for adenosine deaminase (ADA), has been constructed and used to introduce the ADA gene into cultured T- and B-lymphocyte lines derived from patients with ADA deficiency. DNA analysis showed that the SAX vector was inserted intact into the T and B cells at approximately one copy per cell. The treated cells produced the characteristic isozymes of human ADA at a level similar to normal T and B lymphocytes. It is known that ADA-deficient lymphocytes are unusually sensitive to high levels of 2'-deoxyadenosine, and this is the mechanism thought to underlie the selective lymphocytotoxicity associated with ADA deficiency in vivo. Expression of the introduced ADA gene was sufficient to reverse the hypersensitivity of these genetically deficient lymphocytes to 2'-deoxyadenosine toxicity. These results support the suggestion that retroviral vector gene-delivery systems show promise for application to human gene therapy.
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Gan TE, Finch PD, Brumley JL, Hallam LJ, van der Weyden MB. Pyrimidine and purine activities in non-Hodgkin's lymphoma. Correlation with histological status and survival. EUROPEAN JOURNAL OF CANCER & CLINICAL ONCOLOGY 1984; 20:361-8. [PMID: 6423390 DOI: 10.1016/0277-5379(84)90082-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The levels of the purine catabolic enzymes, adenosine deaminase (ADA) and purine nucleoside phosphorylase (PNP), together with the pyrimidine activities, thymidine phosphorylase (TP) and thymidine kinase isozymes (TK) have been determined for cells obtained from solid lymphoid tissue of 38 patients with non-Hodgkin's lymphoma (NHL) and 14 individuals exhibiting benign reactive lymphoid hyperplasia. Within each NHL histological group subtyped according to the Rappaport classification, and in the reactive hyperplasia group, there was considerable variation in these activities. However, higher levels of TK and TP activities occurred in cells of the histologically unfavourable prognostic NHL groups compared with those of favourable histology or reactive hyperplasia. There was an inverse relationship between survival and elevated TK isozyme 1 and TP levels, which was independent of histological classification and clinical staging. These results indicate that, in addition to morphology, estimations of TK and TP of involved lymphoma cells in NHL is of clinical relevance.
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Van der Weyden MB, Hallam L, Gan TE, Ellims PH. Purine and pyrimidine enzyme markers in human lymphoid malignancies. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 1984; 165 Pt B:241-7. [PMID: 6426265 DOI: 10.1007/978-1-4757-0390-0_47] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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16
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Hallam LJ, Van der Weyden MB, Ackland SP, Bagnara AS, Whiteside MG. The biochemical and clinical consequences of 2'-deoxycoformycin in T cell chronic lymphocytic leukaemia. SCANDINAVIAN JOURNAL OF HAEMATOLOGY 1984; 32:55-64. [PMID: 6607510 DOI: 10.1111/j.1600-0609.1984.tb00678.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The mechanisms for cell toxicity with adenosine deaminase inhibition by 2'-deoxycoformycin (dCF) in non replicating lymphoid cells include S-adenosylhomocysteine (SAH) hydrolase inactivation and reduction of cellular ATP content. These postulates were explored in a patient with T-CLL receiving dCF with a resultant fall in peripheral blood lymphocytes from 740 X 10(9)/1 to 90 X 10(9)/1 over 15 d. In red cells there was complete inhibition of adenosine deaminase and SAH hydrolase activities, progressive deoxyadenosine triphosphate (dATP) accumulation and ATP depletion but no significant alteration in adenosine monophosphate (AMP) deaminase activity or distribution in purine intermediates from radioactive adenosine. In T-CLL lymphocytes, there was incomplete lymphoid SAH hydrolase inactivation, reduced AMP deaminase activity and progressive dATP accumulation. The limited decrease in lymphocyte ATP content was related more to dCF administration than dATP accumulation, nor accompanied by significant changes in the distribution of purine intermediates from adenosine. These findings suggest that ATP depletion with dCF therapy does not reflect AMP deaminase activity modulation nor is of critical importance for cell toxicity. The exact role for elevated cellular dATP content and SAH hydrolase inactivation in this toxicity remains to be established.
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Peters GJ, Veerkamp JH. Purine and pyrimidine metabolism in peripheral blood lymphocytes. THE INTERNATIONAL JOURNAL OF BIOCHEMISTRY 1983; 15:115-23. [PMID: 6185367 DOI: 10.1016/0020-711x(83)90051-4] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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18
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Murphy J, Baker DC, Behling C, Turner RA. A critical reexamination of the continuous spectrophotometric assay for adenosine deaminase. Anal Biochem 1982; 122:328-37. [PMID: 7114454 DOI: 10.1016/0003-2697(82)90291-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Gan TE, Hallam L, Van der Weyden MB. Purine and pyrimidine activities in acute and chronic lymphocytic leukaemia: relation to cellular proliferative status. Leuk Res 1982; 6:839-44. [PMID: 6818408 DOI: 10.1016/0145-2126(82)90068-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The cellular levels of the purine catabolic enzymes adenosine deaminase (ADA) and purine nucleoside phosphorylase (PNP) and those for the pyrimidine activities thymidine phosphorylase and thymidine kinase isozymes have been measured concurrently in peripheral blood nucleated cells of patients with acute lymphoblastic leukaemia, chronic lymphocytic or prolymphocytic leukaemia and correlated with the spontaneous tritiated thymidine uptake of the isolated cells. Highest ADA levels occurred in T-ALL cells but considerable overlap of individual activities occurred for non-T, non-BALL, B-CLL and T-CLL cells. The levels of PNP showed no distinct discriminatory trend in cells of the lymphoid proliferative disorders examined. Thymidine phosphorylase activity was markedly reduced in T-ALL and T-CLL cells with a stepwise increase in the level of mean activities for non-T, non-B ALL, B-CLL and B-PLL cells to that of isolated normal peripheral blood lymphocytes. Spontaneous tritiated thymidine uptake of the abnormal lymphoid cells exhibited a correlation between cellular thymidine kinase isozyme 1 and elevated ADA levels. The use of ADA inhibitors together with thymidine infusion for the treatment of lymphoproliferative disorders is discussed.
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Ziegler JB, Van der Weyden MB, Lee CH, Daniel A. Prenatal diagnosis for adenosine deaminase deficiency. J Med Genet 1981; 18:154-6. [PMID: 7241535 PMCID: PMC1048693 DOI: 10.1136/jmg.18.2.154] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Amniocentesis was performed in two successive pregnancies of the mother of a child with adenosine deaminase (ADA) deficient severe combined immunodeficiency. Assay of ADA in amniotic fluid fibroblasts showed the pregnancies to be normal and homozygous deficient, respectively. These findings were confirmed by the demonstration of a normal level of erythrocyte ADA in the cord blood of the healthy male born of the first pregnancy and by the demonstration of undetectable ADA activity in cord erythrocytes, spleen, liver, and kidney of the abortus of the second pregnancy. Prenatal diagnosis of ADA deficiency appears to be a reliable procedure.
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Peters GJ, Oosterhof A, Veerkamp JH. Adenosine and deoxyadenosine metabolism in mammalian lymphocytes. THE INTERNATIONAL JOURNAL OF BIOCHEMISTRY 1981; 13:445-55. [PMID: 6263730 DOI: 10.1016/0020-711x(81)90117-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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23
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Meier W, Conscience JF. A fast and simple radiometric assay for adenosine deaminase using reversed-phase thin-layer chromatography. Anal Biochem 1980; 105:334-9. [PMID: 7457838 DOI: 10.1016/0003-2697(80)90466-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Soberman RJ, Karnovsky ML. Metabolism of purines in macrophages. Effect of functional state of the cells. J Exp Med 1980; 152:241-6. [PMID: 6772733 PMCID: PMC2185906 DOI: 10.1084/jem.152.1.241] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Ecto-5'-nucleotidase is known to be diminished markedly in activated compared to control mouse macrophages. The level of three purine nucleoside metabolizing enzymes, adenosine deaminase (EC 3.5.4.4), purine nucleoside phosphorylase (EC 2.4.2.1), and adenine phosphoribosyltransferase (EC 2.4.2.7) were measured in the sonicates of different populations of mouse peritoneal macrophages. Levels of adenine phosphoribosyltransferase and purine nucleoside phosphorylase in macrophages that were elicited with sodium caseinate or activated in vivo by prior intravenous injection of Listeria monocytogenes were eight times higher than those in resident cells. Levels of adenosine deaminase also tended to increase and were two times higher in elicited cells than in resident cells. The Km of each enzyme was the same in each cell population. The findings suggest that the levels of the ecto-5'-nucleotidase and of the intracellular enzymes are coordinated.
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Ziegler JB, Lee CH, Van der Weyden MB, Bagnara AS, Beveridge J. Severe combined immunodeficiency and adenosine deaminase deficiency: failure of enzyme replacement therapy. Arch Dis Child 1980; 55:452-7. [PMID: 7436484 PMCID: PMC1626931 DOI: 10.1136/adc.55.6.452] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
A first-born baby boy presented at age 3 months with persistent diarrhoea, failure to thrive, and recurrent bacterial and fungal infections. Severe combined immunodeficiency was demonstrated. A deficiency of adenosine deaminase (ADA) activity was suggested by the presence of extensive skeletal abnormalities, and the ADA activity in erythrocyte and leucocyte lysates was < 0.005 nmol/h per mg protein. Culture of ADA-negative peripheral blood mononuclear cells, together with purified calf ADA, did not alter the absent phytohaemagglutinin response. Treatment with immunoglobulin, pentamidine, and co-trimoxazole was started and a programme of ADA enzyme replacement, with infusions of plasma and frozen irradiated erythrocytes, was begun at age 4 months and achieved blood ADA levels in excess of 30 nmol/h per mg haemoglobin. Although resolution of the interstitial pneumonitis and skeletal abnormalities was observed, there was no evidence of immunological reconstitution. The patient died at age 17 months after a parainfluenza pneumonitis. Features of importance in predicting lack of benefit from enzyme replacement by erythrocyte infusion in ADA-negative severe combined immunodeficiency appear to be early clinical presentation with associated severe skeletal abnormalities, a very low level of residual ADA activity in peripheral blood mononuclear cells, and lack of effect of exogenous ADA on the absent in vitro mitogen response of ADA-negative blood mononuclear cells.
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Aitken DA, Kleijer WJ, Niermeijer MF, Herbschleb-Voogt E, Galjaard H. Prenatal detection of a probable heterozygote for ADA deficiency and severe combined immunodeficiency disease using a microradioassay. Clin Genet 1980; 17:293-8. [PMID: 7371221 DOI: 10.1111/j.1399-0004.1980.tb00150.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A pregnancy at risk for adenosine deaminase deficiency and severe combined immunodeficiency disease has been investigated by assay of adenosine deaminase activity in cultured amniotic fluid cells using a microradioassay. A low-normal level of activity consistent with heterozygote status in the foetus was found and confirmed after birth by assay of red cell and fibroblast adenosine deaminase activities. It is suggested that the radioassay method offers significant advantages in sensitivity and specificity over the standard spectrophotometric procedure.
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