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Atack JR, Beal MF, May C, Kaye JA, Mazurek MF, Kay AD, Rapoport SI. Cerebrospinal fluid somatostatin and neuropeptide Y. Concentrations in aging and in dementia of the Alzheimer type with and without extrapyramidal signs. ARCHIVES OF NEUROLOGY 1988; 45:269-74. [PMID: 2893600 DOI: 10.1001/archneur.1988.00520270043019] [Citation(s) in RCA: 53] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Cerebrospinal fluid somatostatin and neuropeptide Y concentrations were measured in 26 healthy normal subjects, 27 patients with dementia of the Alzheimer type (DAT), and seven patients with DAT with extrapyramidal signs (EDAT). In healthy normal subjects, there was no significant correlation between age and either somatostatin or neuropeptide Y concentration. However, the concentrations of both peptides correlated significantly with each other. In patients with DAT and EDAT, the concentrations of somatostatin (17.5 +/- 5.0 and 16.4 +/- 5.0 pg/mL, respectively) were significantly reduced relative to age-matched control subjects (23.1 +/- 8.2 pg/mL) but were unrelated to dementia severity and did not change significantly during the progression of the disease. Neuropeptide Y concentrations did not differ significantly between the age-matched control, DAT, and EDAT groups (38.2 +/- 12.8, 37.0 +/- 12.3, and 30.3 +/- 7.8 pg/mL, respectively). These results suggest that in DAT, dysfunction of cortical somatostatin but not neuropeptide Y transmitter systems is reflected by reduced cerebrospinal fluid concentrations.
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252
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Atack JR, May C, Kaye JA, Kay AD, Rapoport SI. Cerebrospinal fluid cholinesterases in aging and in dementia of the Alzheimer type. Ann Neurol 1988; 23:161-7. [PMID: 3377438 DOI: 10.1002/ana.410230209] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Protein concentration and acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) activities were assayed in the cerebrospinal fluid (CSF) of 26 healthy normal subjects (20-86 years old), 27 patients with dementia of the Alzheimer type (DAT), and 10 patients with dementia of the Alzheimer type with extrapyramidal signs (EDAT). In normal subjects, there was an age-related increase in CSF protein and AChE activity and a significant correlation (p less than 0.001) between CSF protein and BChE activity. In the DAT and EDAT groups, CSF AChE activities (mean +/- SD = 17.5 +/- 3.6 and 15.3 +/- 4.4 nmol/min/ml, respectively) were significantly lower (p less than 0.05) than in 13 age-matched control subjects (21.5 +/- 5.6 nmol/min/ml). In contrast, neither CSF protein concentration, BChE activity, nor the ratio of AChE/BChE differed significantly between groups. In patients with DAT, CSF AChE activity was significantly lower (p less than 0.05) in subjects with an early onset compared to those with a late onset (16.4 +/- 3.4 and 19.7 +/- 2.8 nmol/min/ml, respectively), and activity in the latter group did not differ significantly from control values. CSF AChE activity was not related to dementia severity and did not change significantly over an 18-month period. Although these results confirm a cholinergic deficit in patients with DAT, the considerable overlap of CSF AChE activity between groups and the nonsignificant correlation between AChE activity and dementia severity limit the usefulness of CSF AChE as a diagnostic marker of this disorder.
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253
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Kaye JA, Kumer JB. Nonlocal thermodynamic equilibrium effects in stratospheric NO and implications for infrared remote sensing. APPLIED OPTICS 1987; 26:4747-4754. [PMID: 20523439 DOI: 10.1364/ao.26.004747] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
It is shown that the vibrational state population of stratospheric nitric oxide (NO) could be substantially different from that expected on the basis of local thermodynamic equilibrium (LTE). Deviations from LTE may arise because stratospheric NO can be photochemically produced from NO(2) with several vibrational quanta. Model calculations suggest that the population of NO(upsilon = l) could be some 30% above that expected from LTE at 30 km with smaller enhancements above and below. Substantially larger enhancements are predicted for NO(upsilon = 2). This result is shown to have important implications for NO determination by remote sensing of IR emission. Data needed for the quantification of these effects are enumerated.
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Hasday C, Greenfield J, Hansen L, Kaye J. Achilles tendon rupture. A case report of percutaneous tendon repair. J Am Podiatr Med Assoc 1987; 77:596-600. [PMID: 3443915 DOI: 10.7547/87507315-77-11-596] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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255
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Horowitz JB, Kaye J, Katz ME, Janeway CA. Ability of fixed B-lymphoma cells to present foreign protein antigen fragments and allogenic MHC molecules to a cloned helper-T-cell line. Cell Immunol 1987; 109:429-36. [PMID: 2959376 DOI: 10.1016/0008-8749(87)90325-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Cloned, L3T4+ T cells have been shown to respond to foreign protein antigens in the context of self-Ia glycoproteins and to non-self Ia glycoproteins. In the case of responses to foreign proteins, fixed antigen-presenting cells can present antigen fragments, but cannot present native proteins. Whether fixed allogenic cells can stimulate has been controversial. We have examined this question using a dual-reactive cloned helper-T-cell line. We find that conditions of fixation that block the presentation of native antigen to this cloned line, but which allow the presentation of antigen fragments, also allow presentation of allogeneic Ia molecules, leading to stimulation of the cloned line. This study also revealed an occult alloreactivity in the cloned T-cell line, which was expressed by fixed, but not by normal, antigen-presenting B lymphoma cells. All of these stimuli proceeded via the same clonotypic receptor, as determined by blocking with anti-T-cell receptor monoclonal antibody. These data suggest that responses to non-self Ia glycoproteins involve direct recognition of the allogeneic Ia molecules and do not require processing and presentation of these antigens by self Ia molecules.
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256
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Saizawa K, Haque S, Jones B, Rojo J, Tite JP, Kaye J, Janeway CA. The L3T4 molecule is part of the helper T-cell antigen/Ia recognition complex. ANNALES DE L'INSTITUT PASTEUR. IMMUNOLOGY 1987; 138:138-43. [PMID: 2953352 DOI: 10.1016/s0769-2625(87)80105-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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257
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Abstract
Long-term management of patients with Parkinson's disease includes close monitoring and frequent dose adjustment. In a small selected group of patients, complete withdrawal of L-dopa (drug holiday) and slow reintroduction of lower doses of this drug assured continued benefit for six to 24 months. We studied 45 drug holidays in 45 patients with idiopathic Parkinson's disease. Average preholiday L-dopa dose was 2,970 mg/d; at 24 months, it was 263 mg/d. The drug holiday resulted in reduced adverse drug effects (dyskinesias, "on-off" phenomenon, hallucinations, and confusion), and improved functional ratings at one, six, 12, and 24 months after the drug holiday.
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Abstract
Three adult patients with neuroblastoma have been treated recently at the Dana-Farber Cancer Institute. One adult neuroblastoma patient experienced two distinct paraneoplastic syndromes that have not been reported previously in association with neuroblastoma. The clinical data on our three patients are presented in detail and the important features of 27 cases that have been described in the literature are summarized. This study suggests that the distribution of primary neuroblastoma sites in adults is similar to that seen in pediatric cases but that the natural history of the disease may be longer. Furthermore, this study suggests that neuroblastoma in adults may be less sensitive to chemotherapy than is the childhood disease.
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259
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Abstract
Records of 11 patients with immune thrombocytopenia (idiopathic and quinidine-induced) were evaluated retrospectively for response to platelet transfusion. Good post-transfusion platelet count increments occurred on one or more occasions in seven of the 11 patients, with 13 of 31 platelet transfusions (42 percent) resulting in immediate post-transfusion increments of 20,000/mm3 or more. Next-day platelet counts remained elevated in association with five of these 13 transfusions. This study demonstrates that, contrary to common opinion, platelet transfusions can raise the platelet count in many patients with immune thrombocytopenia, and therefore may be beneficial in actively bleeding or high-risk patients with this disorder.
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260
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Kaye JA. Correspondence about handling evidence in cases of acquired immune deficiency syndrome (AIDS). Am J Forensic Med Pathol 1986; 7:87-8. [PMID: 3728431 DOI: 10.1097/00000433-198603000-00022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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261
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Horowitz JB, Kaye J, Conrad PJ, Katz ME, Janeway CA. Autocrine growth inhibition of a cloned line of helper T cells. Proc Natl Acad Sci U S A 1986; 83:1886-90. [PMID: 2937064 PMCID: PMC323189 DOI: 10.1073/pnas.83.6.1886] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The growth of T lymphocytes is dependent on the T-cell growth factor interleukin 2 (IL-2), which causes T cells bearing high-affinity receptors for IL-2 to proliferate. Most cloned helper-T-cell lines can be shown to both produce and respond to IL-2; thus, growth of such cells is by an autocrine mechanism. We report that the failure of the cloned murine T-cell line D10.G4.1 to respond to its own IL-2 results from the secretion, by the same cells, of a potent inhibitor of the IL-2-driven T-cell proliferative response. This inhibition can be overcome by increasing the number of IL-2 receptors expressed by the target cell. In the cloned T-cell line producing the inhibitory substance, this increase in IL-2 receptors is driven by the monokine interleukin-1. We propose that this inhibitor of IL-2 responses may play a role in preventing "bystander" activation of T cells by IL-2 released in vivo and could be a potent pharmacologic agent.
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262
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Kaye JA, Feldman RG. The role of L-dopa holiday in the long-term management of Parkinson's disease. Clin Neuropharmacol 1986; 9:1-13. [PMID: 3548951 DOI: 10.1097/00002826-198602000-00001] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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263
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Abstract
Although malignant mesothelioma is known to spread hematogenously, brain metastases are rare. In the patient presented herein, multiple unilateral symptomatic central nervous system metastases developed that were diagnosed by computed tomography and documented at autopsy. Since malignant mesothelioma is occurring more frequently in the population at risk (asbestos workers), this complication may be observed more commonly in the future.
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264
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Tite JP, Kaye J, Saizawa KM, Ming J, Katz ME, Smith LA, Janeway CA. Direct interactions between B and T lymphocytes bearing complementary receptors. J Exp Med 1986; 163:189-202. [PMID: 3484511 PMCID: PMC2188016 DOI: 10.1084/jem.163.1.189] [Citation(s) in RCA: 31] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
A murine cloned Th cell line specific for the antigen conalbumin in the context of self I-A molecules can be activated by low concentrations of soluble antireceptor mAb. By using an antireceptor mAb to shared antigenic determinants on T cell receptors, we have shown that the ability to be activated by soluble antireceptor mAb is an unusual, although not unique, feature of this cloned T cell line. This activation does not involve occult APC, FcR, or interaction between individual cloned T cells, as limiting-dilution analysis shows that individual cells of this clone will grow in the presence of the antireceptor antibody and IL-1 as stimulus. This cloned T cell line is highly immunogenic in vivo, giving rise to antireceptor antibodies that stimulate its growth in both mice and rats. This response is not dependent upon exogenous T cells. Rather, the clone directly interacts with complementary B cells, as shown by the production of mAb in nude mice, and by production of stimulating antireceptor antibodies by purified B cells cultured with cloned Th cells in vitro. Several features of this cloned Th cell line, most especially its ability to be activated, rather than inhibited, by antireceptor antibodies, may account for its striking ability to directly activate B cells bearing complementary receptors. The direct interaction of the cloned Th cell with B cells bearing complementary receptors may serve as a model for receptor-receptor interactions in the generation of both T and B cell repertoires.
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265
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Janeway CA, Bottomly K, Horowitz J, Kaye J, Jones B, Tite J. Modes of cell:cell communication in the immune system. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 1985; 135:739s-742s. [PMID: 3159798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Different cell types in the immune system appear to mediate their effects by markedly different means. B lymphocytes couple information for specificity with information for function in a single long-range molecule, antibody. Major histocompatibility complex (MHC)-restricted T cells, which we have analyzed in detail, appear to recognize antigen only on the surface of cells bearing the appropriate MHC gene product. This interaction provokes the T cell to release short-range, non-antigen-specific mediators (lymphokines) that preferentially act on the target cell bearing the antigen and stimulating the T cell. Regulatory T cells appear to make antigen-specific long-range molecules that, like antibody, combine specificity with information for function. However, unlike antibody molecules, these regulatory T cell products display recognition for particular target cells in the form of genetic restrictions. These behaviors are compared to strategies of cell:cell communication in the nervous system.
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266
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Janeway CA, Bottomly K, Horowitz J, Kaye J, Jones B, Tite J. Modes of cell:cell communication in the immune system. THE JOURNAL OF IMMUNOLOGY 1985. [DOI: 10.4049/jimmunol.135.2.739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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267
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Kaye J, Janeway CA. The alpha- and beta-subunits of a murine T cell antigen/Ia receptor have a molecular weight of 31,000 in the absence of N-linked glycosylation. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 1984; 133:2291-3. [PMID: 6237148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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268
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Kaye J, Janeway CA. The alpha- and beta-subunits of a murine T cell antigen/Ia receptor have a molecular weight of 31,000 in the absence of N-linked glycosylation. THE JOURNAL OF IMMUNOLOGY 1984. [DOI: 10.4049/jimmunol.133.5.2291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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269
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270
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Kaye J, Gillis S, Mizel SB, Shevach EM, Malek TR, Dinarello CA, Lachman LB, Janeway CA. Growth of a cloned helper T cell line induced by a monoclonal antibody specific for the antigen receptor: interleukin 1 is required for the expression of receptors for interleukin 2. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 1984; 133:1339-45. [PMID: 6235287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
By using as an experimental system the induction of growth of a cloned, antigen:Ia-reactive helper T cell line by an antigen receptor-specific monoclonal antibody, we demonstrated that growth requires two essential co-factors, exogenously produced IL 1 and endogenously produced IL 2. The primary role of the IL 1 is in the expression of receptors on the T cell surface for IL 2, rather than for promoting the synthesis of IL 2. The use of a clone-specific activating monoclonal antibody at nanogram amounts to activate a cloned helper T cell should allow a detailed characterization of T cell activation via antigen receptor cross-linking.
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MESH Headings
- Animals
- Antibodies, Monoclonal/physiology
- Antibody Specificity
- Binding, Competitive
- Cell Line
- Conalbumin/immunology
- Growth Substances/physiology
- Histocompatibility Antigens Class II/immunology
- Humans
- Interleukin-1/physiology
- Interleukin-2/biosynthesis
- Interleukin-2/metabolism
- Lymphocyte Activation
- Mice
- Mice, Inbred AKR
- Rabbits
- Receptors, Antigen, T-Cell/immunology
- Receptors, Immunologic/biosynthesis
- Receptors, Immunologic/immunology
- Receptors, Interleukin-2
- T-Lymphocytes, Helper-Inducer/immunology
- T-Lymphocytes, Helper-Inducer/metabolism
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271
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Kaye J, Gillis S, Mizel SB, Shevach EM, Malek TR, Dinarello CA, Lachman LB, Janeway CA. Growth of a cloned helper T cell line induced by a monoclonal antibody specific for the antigen receptor: interleukin 1 is required for the expression of receptors for interleukin 2. THE JOURNAL OF IMMUNOLOGY 1984. [DOI: 10.4049/jimmunol.133.3.1339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Abstract
By using as an experimental system the induction of growth of a cloned, antigen:Ia-reactive helper T cell line by an antigen receptor-specific monoclonal antibody, we demonstrated that growth requires two essential co-factors, exogenously produced IL 1 and endogenously produced IL 2. The primary role of the IL 1 is in the expression of receptors on the T cell surface for IL 2, rather than for promoting the synthesis of IL 2. The use of a clone-specific activating monoclonal antibody at nanogram amounts to activate a cloned helper T cell should allow a detailed characterization of T cell activation via antigen receptor cross-linking.
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272
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Tite JP, Kaye J, Jones B. The role of B cell surface Ia antigen recognition by T cells in B cell triggering. Analysis of the interaction of cloned helper T cells with normal B cells in differing states of activation and with B cells expressing the xid defect. Eur J Immunol 1984; 14:553-61. [PMID: 6376147 DOI: 10.1002/eji.1830140613] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Two discrete mechanisms of T-B cell collaboration appear to exist. In cognate recognition, B cell triggering results from a direct recognition of antigen and MHC determinants at the B cell surface. Alternatively, B cells can be triggered by transstimulation, in which the Th cell is activated by an antigen-presenting cell to produce soluble factors which in turn trigger the B cell. This report addresses the question of whether antigen recognition at the B cell surface in association with Ia determinants delivers a signal to the B cell, which is qualitatively different from the signals delivered by the soluble mediators released by the activated Th cell. Previous reports from a number of laboratories suggest that cognate recognition is obligatory for the triggering of small resting B cells and B cells of the Lyb-5- phenotype, whereas enlarged B cell blasts and the Lyb-5+ subset can be triggered solely by soluble mediators. Contrary to these findings, the experiments described here indicate that B cells isolated in different states of activation from normal spleens on the basis of their buoyant density in Percoll density gradients, or unfractionated B cells from mice differing genetically due to the xid defect [Lyb-5- B cells from (CBA/N X BALB/c)F1 male mice], do not discriminate between the two modes of Th cell function. In both stimulation modes, the high density B cells, and the B cells from xid mice made very poor immunoglobulin secretory responses measured in terms of reverse plaque formation on protein A-coupled erythrocytes. When the responses of different density fractions of B cells were compared under conditions where stimulation occurred either directly or indirectly via transstimulation, the following hierarchy of responsiveness in both the proliferative and plaque-forming cell (PFC) responses was observed in the density fractions 60% greater than 65% greater than 70% greater than 75%. The hierarchy was the same in both modes of interaction and the deficiency of the high density, small B cells was far more marked in the PFC assay than in the proliferative assay. We conclude that the initial proliferative response of the resting B cell can be triggered comparably in vitro under conditions of direct or transstimulation. Thus, recognition of B cell surface Ia by Th cells is not obligatory for B cell activation and does not transfer an essential transmembrane signal to the B cell.
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273
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Kaye J, Janeway CA. The Fab fragment of a directly activating monoclonal antibody that precipitates a disulfide-linked heterodimer from a helper T cell clone blocks activation by either allogeneic Ia or antigen and self-Ia. J Exp Med 1984; 159:1397-412. [PMID: 6232337 PMCID: PMC2187299 DOI: 10.1084/jem.159.5.1397] [Citation(s) in RCA: 124] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
We characterize a monoclonal antibody directed against the antigen/Ia receptor of a cloned helper T cell line that induced T cell clone proliferation and T cell clone-dependent B cell proliferation at antibody concentrations as low as 10(-11) M. A Fab fragment of this antibody was not stimulatory, implicating cross-linking of antigen receptors as the primary signal for T cell activation. The Fab fragment inhibited activation of this clone by both allogeneic Ia and antigen plus self-Ia, but not by the nonspecific stimulators concanavalin A and rabbit anti-mouse brain serum. This strongly supports the hypothesis that a single molecule mediates both self-Ia plus antigen and non-self-Ia recognition. This molecule is presumably the disulfide-linked heterodimer comprised of 42,000 mol wt acidic and basic subunits precipitated by this monoclonal antibody. The cell surface and internal precursor forms of this protein are also identified. In addition, the response to allogeneic Ia stimulation was more readily inhibited by the Fab fragment than was the response to antigen plus self-Ia, suggesting that alloreactivity reflects a low affinity interaction with a ligand represented at high frequency on the stimulatory cell.
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274
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Janeway CA, Bottomly K, Babich J, Conrad P, Conzen S, Jones B, Kaye J, Katz M, McVay L, Murphy DB, Tite J. Quantitative variation in la antigen expression plays a central role in immune regulation. IMMUNOLOGY TODAY 1984; 5:99-105. [PMID: 25291703 DOI: 10.1016/0167-5699(84)90043-4] [Citation(s) in RCA: 199] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The analysis of la antigen function has focused primarily on allelic variants of Ia molecules. In this review Charles Janeway and his colleagues discuss evidence that quantitative rather than qualitative variation in Ia antigen expression had a major role in immunoregulation and immunologically mediated disease.
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275
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Kaye J, Porcelli S, Tite J, Jones B, Janeway CA. Both a monoclonal antibody and antisera specific for determinants unique to individual cloned helper T cell lines can substitute for antigen and antigen-presenting cells in the activation of T cells. J Exp Med 1983; 158:836-56. [PMID: 6193236 PMCID: PMC2187090 DOI: 10.1084/jem.158.3.836] [Citation(s) in RCA: 572] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Two antisera and a monoclonal antibody raised in BALB.K mice against cloned, major histocompatibility complex (MHC)-restricted, antigen-specific helper T cell lines are described. These antibodies are specific for individual cloned T cell lines and are potent inducers of T cell proliferation. The induction of T cell proliferation by these antibodies requires the presence of an adherent accessory cell. There is no H-2 restriction between this accessory cell and the cloned T cell, nor is this antibody-induced proliferation blocked by a monoclonal anti-Fc receptor antibody. The requirement for an accessory cell, however, is eliminated in the presence of an IL-1- or IL-2-rich supernatant. Thus this system allows the analysis of helper T cell activation with only a single cell type present. Anti-T cell sera also induce T cell-dependent B cell proliferation and immunoglobulin secretion. The induction of T cell-dependent B cell activation by these sera does not require H-2-matched T cells and B cells. The specificity of these antibodies and their ability to stimulate cloned helper T cells in the absence of antigen and antigen-presenting cells strongly suggest that these antibodies are directed against antigen and/or Ia recognition sites on the T cell.
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276
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Bottomly K, Jones B, Kaye J, Jones F. Subpopulations of B cells distinguished by cell surface expression of Ia antigens. Correlation of Ia and idiotype during activation by cloned Ia-restricted T cells. J Exp Med 1983; 158:265-79. [PMID: 6193216 PMCID: PMC2187353 DOI: 10.1084/jem.158.2.265] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
We have investigated in vitro the induction of antibody responses to phosphorylcholine (PC) by cloned T helper (Th) cell lines. The cloned Th cells are antigen specific, in this case ovalbumin (OVA), self-Ia recognizing, and induce antibody secretion only if the hapten, PC, is physically linked to the carrier (OVA) molecule. The plaque-forming cell (PFC) response generated in the presence of cloned Th cells is idiotypically diverse with 5-40% of the secreting B cells bearing the TEPC-15 (T15) idiotype. The interaction of the cloned Th cells and unprimed B cells requires recognition of B cell surface Ia glycoproteins for all B cells activated to secrete anti-PC antibody, whether they be T15-bearing or not. More importantly, however, effective interaction between a cloned Th cell and a B cell is determined by the quantity of B cell surface Ia glycoproteins. Our results indicate that quantitative differences in B cell surface Ia antigens are directly related to B cell activation by the cloned Th cell. The high Ia density B cells are most easily activated by cloned Th cells, and these appear to be mainly non-T15-bearing. These data suggest that the failure of cloned Th cells to effectively activate T15-bearing B cells in vitro may be due to the lower relative Ia density of these B cells and therefore to their inability to interact effectively with cloned Ia-recognizing Th cells. These results imply that monoclonal T cells may distinguish between T15-bearing and non-T15-bearing B cells based on their Ia density.
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277
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Kaye J, Kaye K, Madow L. Sleep patterns in patients with cancer and patients with cardiac disease. THE JOURNAL OF PSYCHOLOGY 1983; 114:107-13. [PMID: 6864586 DOI: 10.1080/00223980.1983.9915403] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Thirty cancer out-patients, 28 out-patients with cardiac disease, and 24 controls matched for age, sex, race, religion, and marital status were administered a 38-item questionnaire on sleep habits. Patients with cardiac disease perceived that they had more difficulty falling asleep, awakened earlier than planned, and felt sleepy during the day more often than the other two groups. Patients with cancer differed from controls only in feeling that they had more difficulty staying asleep. The findings demonstrate that while patients with two different chronic diseases have altered sleep patterns, the patterns are disturbed in different ways. This has important implications for therapy as a different approach is needed for the patient who has difficulty falling asleep as compared with the patient who has difficulty staying asleep.
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278
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Peddle LJ, Brown H, Buckley J, Dixon W, Kaye J, Muise M, Rees E, Woodhams W, Young C. Voluntary regionalization and associated trends in perinatal care: the Nova Scotia Reproductive Care Program. Am J Obstet Gynecol 1983; 145:170-6. [PMID: 6849351 DOI: 10.1016/0002-9378(83)90485-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The Nova Scotia Reproductive Care Program is a system of voluntary regionalization that involves the 37 hospitals in the province that provide obstetric care to a population of 850,000. Between 1971 and 1980, the perinatal mortality rate in the central tertiary care unit for nonreferred patients fell progressively from 12.5 per 1,000 total births to 5.16. For all cases, including high-risk referrals, this rate has fallen from 12.7 to 7.2. During the same interval, the perinatal mortality rate for the province's seven regional hospitals fell from 18.7 to 12.2, and that for the 28 community hospitals fell from 18.4 to 7.0. Analysis of these reductions by fitted trend lines demonstrates statistical significance. Further analysis demonstrates that, with regionalization of perinatal services, it is possible to reduce the perinatal mortality rate in small community hospitals to levels that approximate those of a sophisticated tertiary care hospital.
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279
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Kaye JA. Chemical carcinogenesis. N Engl J Med 1982; 306:811. [PMID: 7062958 DOI: 10.1056/nejm198204013061317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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280
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Appel MH, Mausner J, Kaye J. The impact of an oncology course on attitudes of freshman medical students. JOURNAL OF MEDICAL EDUCATION 1981; 56:919-921. [PMID: 7299801 DOI: 10.1097/00001888-198111000-00008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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281
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Carson DA, Kaye J, Wasson DB. The potential importance of soluble deoxynucleotidase activity in mediating deoxyadenosine toxicity in human lymphoblasts. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 1981; 126:348-52. [PMID: 6256438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Deoxyadenosine and its nucleotides have been implicated in the pathogenesis of the immune dysfunction associated with a genetic deficiency of adenosine deaminase (ADA). We have previously shown that when ADA is blocked with a synthetic inhibitor, human T lymphoblastoid cell lines are more sensitive to deoxyadenosine toxicity, dephosphorylate deoxyadenosine nucleotides at a slower rate, and have much lower levels of ecto-5'-nucleotidase than most B cell lines. It seemed unlikely, however, that an enzyme on the outer surface of the lymphocyte plasma membrane could regulate intracellular deoxynucleotide catabolism. We now report that human lymphoblasts also contain a soluble deoxynucleotidase activity that is distinguishable from the plasma membrane enzyme by several criteria. In multiple human lymphoblastoid cell lines of varying origin and phenotype. soluble deoxynucleotidase correlated significantly (rs = 0.80, p < 0.001) with sensitivity to deoxyadenosine toxicity.
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282
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Kaye J, Appel M, Joseph R. Attitudes of medical students and residents toward cancer. THE JOURNAL OF PSYCHOLOGY 1981; 107:87-96. [PMID: 7205706 DOI: 10.1080/00223980.1981.9915208] [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: 01/24/2023] Open
Abstract
Attitudes toward cancer and heart disease were evaluated in 99 freshmen medical students, 76 seniors, and 66 residents using the Cancer Attitude Survey and a Semantic Differential test. The Survey revealed a rise in positive attitudes towards patients' inner resources to cope with serious illness and toward personal immortality and a rise in negative attitudes toward early diagnosis of cancer as students progressed in their training. The Semantic Differential test demonstrated more negative attitudes toward cancer than heart disease in all groups (freshman, seniors, and residents in medicine, psychiatry, or surgery). The seniors had the most positive attitudes toward cancer and freshman the least positive attitudes. The residents had more positive attitudes than the freshmen but less positive attitudes than the seniors. The residents in psychiatry had more positive attitudes than the residents in medicine, who had more positive attitudes than the residents in surgery.
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283
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Carson DA, Kaye J, Wasson DB. The potential importance of soluble deoxynucleotidase activity in mediating deoxyadenosine toxicity in human lymphoblasts. THE JOURNAL OF IMMUNOLOGY 1981. [DOI: 10.4049/jimmunol.126.1.348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Abstract
Deoxyadenosine and its nucleotides have been implicated in the pathogenesis of the immune dysfunction associated with a genetic deficiency of adenosine deaminase (ADA). We have previously shown that when ADA is blocked with a synthetic inhibitor, human T lymphoblastoid cell lines are more sensitive to deoxyadenosine toxicity, dephosphorylate deoxyadenosine nucleotides at a slower rate, and have much lower levels of ecto-5'-nucleotidase than most B cell lines. It seemed unlikely, however, that an enzyme on the outer surface of the lymphocyte plasma membrane could regulate intracellular deoxynucleotide catabolism. We now report that human lymphoblasts also contain a soluble deoxynucleotidase activity that is distinguishable from the plasma membrane enzyme by several criteria. In multiple human lymphoblastoid cell lines of varying origin and phenotype. soluble deoxynucleotidase correlated significantly (rs = 0.80, p < 0.001) with sensitivity to deoxyadenosine toxicity.
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284
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Carson DA, Wasson DB, Kaye J, Ullman B, Martin DW, Robins RK, Montgomery JA. Deoxycytidine kinase-mediated toxicity of deoxyadenosine analogs toward malignant human lymphoblasts in vitro and toward murine L1210 leukemia in vivo. Proc Natl Acad Sci U S A 1980; 77:6865-9. [PMID: 6256765 PMCID: PMC350391 DOI: 10.1073/pnas.77.11.6865] [Citation(s) in RCA: 154] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
An inherited deficiency of adenosine deaminase (adenosine aminohydrolase, EC 3.5.4.4) produces selective lymphopenia and immunodeficiency disease in humans. Previous experiments have suggested that lymphospecific toxicity in this condition might result from the selective accumulation of toxic deoxyadenosine nucleotides by lymphocytes with high deoxycytidine kinase, levels and low deoxynucleotide dephosphorylating activity. The present experiments were designed to determine if deoxyadenosine analogs which are not substrates for adenosine deaminase might similarly be toxic toward lymphocytes and lymphoid tumors. Two such compounds, 2-chlorodeoxyadenosine and 2-fluorodeoxyadenosine, at concentrations of 3 nM and 0.15 microM, respectively, inhibited by 50% the growth of human CCRF-CEM malignant lymphoblasts in vitro. Each was phosphorylated in intact cells by deoxycytidine kinase accumulated as the nucleoside triphosphate, and inhibited DNA synthesis more than RNA synthesis. Both deoxynucleosides had significant chemotherapeutic activity against lymphoid leukemia L1210 in mice.
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285
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Kaye J, Smith CA, Hanawalt PC. DNA repair in human cells containing photoadducts of 8-methoxypsoralen or angelicin. Cancer Res 1980; 40:696-702. [PMID: 7471088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Photoactivated 8-methoxypsoralen (8-MOP) has been proven to be clinically effective for a number of dermatological conditions including lichen planus, mycosis fungoides, and psoriasis. 8-MOP forms two types of covalent photoproducts with DNA, monoadducts, and bifunctional adducts which cross-link the two DNA strands. Angelicin is a congener of 8-MOP which forms only monoadducts. We have used the combined density and isotopic labeling technique to study repair replication in cultured human fibroblasts treated with either of these compounds and exposed to near-ultraviolet light. In human diploid fibroblasts (WI-38), the time course of repair replication for both compounds is similar. Drug concentration and ultraviolet dose responses are also similar for 8-MOP and angelicin. No repair replication was stimulated by either compound in xeroderma pigmentosum cells from Complementation Group A (XP12BE). These results suggest that repair replication in response to 8-MOP is primarily a response to monoadducts and that the enzymatic pathway for this repair synthesis shares at least one step with the pathway for repair of pyrimidine dimers. Cross-link persistence in treated cells was assayed by use of the single-strand-specific S1 nuclease to digest DNA that did not renature readily following heat denaturation. Partial removal of cross-links was observed in normal, xeroderma pigmentosum variant, and Fanconi's anemia fibroblasts, but not in xeroderma pigmentosum Group A cells.
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286
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Carson DA, Kaye J, Wasson DB. Differences in deoxyadenosine metabolism in human and mouse lymphocytes. THE JOURNAL OF IMMUNOLOGY 1980. [DOI: 10.4049/jimmunol.124.1.8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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287
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Carson DA, Kaye J, Wasson DB. Differences in deoxyadenosine metabolism in human and mouse lymphocytes. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 1980; 124:8-12. [PMID: 6965300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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288
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Kaye J, Smith P, Acland R. Experimental end-to-end anastomosis of lymphatic trunks in the canine hind limb. EUROPEAN JOURNAL OF PLASTIC SURGERY 1980. [DOI: 10.1007/bf00264786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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289
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Carson DA, Kaye J, Matsumoto S, Seegmiller JE, Thompson L. Uniqueness of deoxyribonucleotide metabolism in human malignant T cell lines. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 1980; 122B:381-8. [PMID: 317570 DOI: 10.1007/978-1-4684-8559-2_61] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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290
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Carson DA, Kaye J, Seegmiller JE. Metabolism and toxicity of 9-beta-D-arabinofuranosyladenine in human malignant T cells and B cells in tissue culture. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 1980; 122B:299-307. [PMID: 317567 DOI: 10.1007/978-1-4684-8559-2_49] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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291
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Carson DA, Kaye J, Matsumoto S, Seegmiller JE, Thompson L. Biochemical basis for the enhanced toxicity of deoxyribonucleosides toward malignant human T cell lines. Proc Natl Acad Sci U S A 1979; 76:2430-3. [PMID: 313056 PMCID: PMC383615 DOI: 10.1073/pnas.76.5.2430] [Citation(s) in RCA: 121] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Human malignant T cell lines have high levels of deoxyribonucleoside phosphorylating activity and low levels of deoxyribonucleotide dephosphorylating activity. When incubated with deoxyadenosine or thymidine, the malignant T cell lines rapidly accumulate toxic concentrations of dATP and dTTP, respectively. This unusual pattern of deoxyribonucleotide metabolism renders the malignant T cells especially vulnerable to the toxic effects of deoxyribonucleosides and related analogues.
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292
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Morhenn VB, Kaye JA. The effect of 8-methoxypsoralen-plus ultraviolet light on cell-virus interaction: the transforming infection; effect of PUVA on the transformation of baby hamster kidney cells by polyoma virus. J Invest Dermatol 1979; 72:138-42. [PMID: 217937 DOI: 10.1111/1523-1747.ep12530603] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Pre-treatment of baby hamster kidney (BHK) cells with 8-methoxypsoralen (8-MOP) plus ultraviolet (UV) light enhances the frequency of their transformation by polyoma (Py) virus. Of the doses tested, 0.5 microgram/ml 8-MOP plus 0.3 J/cm2 UV-light results in maximal (30-fold) stimulation of viral transformation. 8-MOP alone does not affect viral transformation and UV-light alone causes only a slight increase in the transformation frequency. Thus the drug and light act synergistically in promoting the effect. Treatment of BHK cells with drug plus light without Py infection does not lead to a transformed morphology. A drug-light combination (0.01 microgram/ml 8-MOP plus 1.2 J/cm2 UV) that inhibits cellular DNA synthesis to 75% of control at 28 hr after treatment results in a 6-fold stimulation of the transformation frequency.
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293
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Carson DA, Kaye J, Seegmiller JE. Differential sensitivity of human leukemic T cell lines and B cell lines to growth inhibition by deoxyadenosine. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 1978; 121:1726-31. [PMID: 309480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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294
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Carson DA, Kaye J, Seegmiller JE. Lymphospecific toxicity in adenosine deaminase deficiency and purine nucleoside phosphorylase deficiency: possible role of nucleoside kinase(s). Proc Natl Acad Sci U S A 1977; 74:5677-81. [PMID: 202960 PMCID: PMC431856 DOI: 10.1073/pnas.74.12.5677] [Citation(s) in RCA: 290] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Inherited deficiencies of the enzymes adenosine deaminase (adenosine aminohydrolase; EC 3.5.4.4) and purine nucleoside phosphorylase (purine-nucleoside:orthophosphate ribosyltransferase; EC 2.4.2.1) preferentially interfere with lymphocyte development while sparing most other organ systems. Previous experiments have shown that through the action of specific kinases, nucleosides can be "trapped" intracellularly in the form of 5'-phosphates. We therefore measured the ability of newborn human tissues to phosphorylate adenosine and deoxyadenosine, the substrate of adenosine deaminase, and also inosine, deoxyinosine, guanosine, and deoxyguanosine, the substrates of purine nucleoside phosphorylase. Substantial activities of adenosine kinase were found in all tissues studied, while guanosine and inosine kinases were detected in none. However, the ability to phosphorylate deoxyadenosine, deoxyinosine, and deoxyguanosine was largely confined to lymphocytes. Adenosine deaminase, but not purine nucleoside phosphorylase, showed a similar lymphoid predominance. Other experiments showed that deoxyadenosine, deoxyinosine, and deoxyguanosine were toxic to human lymphoid cells. The toxicity of deoxyadenosine was reversed by the addition of deoxycytidine, but not uridine, to the culture medium. Based upon these and other experiments, we propose that in adenosine deaminase and purine nucleoside phosphorylase deficiency, toxic deoxyribonucleosides produced by many tissues are selectively trapped in lymphocytes by phosphorylating enzyme(s).
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295
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Kaye J, Boyle E, Canosa FL, Aparicio AM, Morgan HW. Spiral aftereffect test and rapid picture projection test with aging populations. J Am Geriatr Soc 1976; 24:394-401. [PMID: 956585 DOI: 10.1111/j.1532-5415.1976.tb04127.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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296
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Abstract
Avulsion injuries occurring near the symphisis pubis are related to the sites of origin of the adductor longus, adductor brevis, and gracilis muscles. Young athletes complain of pain near the symphisis which is increased by active adduction of the limb against resistance. Radiographic findings, similar to those found in infection and neoplasms, are mixed bone destruction and sclerosis on one side of the symphisis, frequently extending inferior pubic ramus.
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297
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Lowe RW, Hayes TD, Kaye J, Bagg RJ, Luekens CA. Standing roentgenograms in spondylolisthesis. Clin Orthop Relat Res 1976:80-4. [PMID: 1277688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Lateral roentgenograms of 50 patients with spondylolisthesis were made in the recumbent and standing positions and compared. Thirteen (26%) showed an increase in the percentage of displacement on standing. Those patients with demonstrable change appeared to have a higher incidence of severe symptomatology. Apparent spondylolysis on recumbent roentgenograms may change to spondylolisthesis on standing lateral roentgenograms. Degenerative spondylolisthesis may be more apparent on standing lateral roentgenograms.
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298
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Abstract
Seventy-four men and women (age range, 44-77 years) were tested for short-term auditory and visual memory as part of a larger series of memory and cognitive function tests. All test scores for visual memory, including facial photograph recognition when a sequence requirement was adhered to, showed a significant decline (p smaller than .05) in a comparison of subjects aged 44-54 and subjects aged 55-64. This decline was not observed with the two tests of auditory memory. Thus the data indicate that short-term visual memory may be more susceptible to aging than is auditory memory.
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299
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Cowan RE, Kaye J, Thompson RP. Proceedings: Free fatty acids and unconjugated hyperbilirubinaemia. Gut 1975; 16:399. [PMID: 1140659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/08/2022]
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300
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Greenhalgh RM, Taylor GW, Kaye J. A comparison of fasting serum lipid concentrations and lipoprotein patterns in patients with stenosing and dilating forms of peripheral arterial disease. THE JOURNAL OF CARDIOVASCULAR SURGERY 1975; 16:150-1. [PMID: 1126999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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