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Conjugal transmission of HTLV-III and lymphadenopathy in Christmas disease

Abstract

The risk of conjugal transmission of the HTLV-III/LAV virus associated with the acquired immunodeficiency syndrome (AIDS) in patients with hemophilia is unknown.  To date, only a few   instances of proven exposure to HTLV-III have been reported among sexual or family contacts of   patients with hemophilia.  … Read more

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HTLV-III/LAV antibody and immune status of household contacts and sexual partners of persons with hemophilia

Abstract

We evaluated the human T-cell lymphotropic virus type III/lymphadenopathy-associated virus (HTLV-III/LAV) antibody and immune status of 88 persons living with and/or sexual partners of 43 hemophiliacs, 12 of whom had AIDS, five of whom had AIDS-related complex (ARC), 17 of whom were clinically well but HTLV-III/LAV antibody positive, and nine of whom were well and HTLV-III/LAV antibody negative.… Read more

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HTLV-III exposure during cardiopulmonary resuscitation

Abstract

To the Editor: There have been no confirmed occupation-related cases of AIDS in health care workers in the United States. We have been following two nurses who participated in mouth-to-mouth re­suscitation of a patient with the AIDS-related complex, who was positive for human T-cell lymphotropic virus Type- III/lymphade­nopathy-associated virus (HTLV-III/LAV), and we here report their seronegativity nine months after exposure.… Read more

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An historical perspective on controversy surrounding the international code of marketing of breast‑milk substitutes

Jason JM, McGrady GA.

In: Clinical Obstetrics – A Public Health Perspective.  B P Sachs & D Acker (eds).  PSG, Inc. Boston, MA, 1985.

ISBN 0-88416-513-2… Read more

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HTLV I/II and HTLV III seroprevalence in blood product recipients

Abstract

Human T-cell leukemia virus type I (HTLV-I) has been strongly implicated as the etiology of adult T-cell leukemia (ATL), a T-cell type non-Hodgkin’s lymphoma with leukemic manifestations in Japan, the Caribbean, and the southeastern United States. The prevalence of serum antibody specific for one core antigen of HTLV-I, p24, has been found to be high in patients with ATL, and higher in relatives of these patients than in general population controls.… Read more

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Human T-cell leukemia virus (HTLV-I) p24 antibody in New York City blood product recipients

Abstract

Human T-cell leukemia virus (HTLV-I)

is known to be associated with certain hematologic malignancies, and a related virus, HTLV-III/LAV, might be the cause of AIDS. Some persons with AIDS have had evidence of HTLV-I infection. Unrelated to these findings, it has been suggested that HTLV-I is transmitted via blood products.… Read more

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HTLV-III/LAV antibody status of spouses and household contacts assisting in home infusion of hemophilia patients

Abstract

Thirty-four adult and pediatric hemophilia A and B patients and 50 nonhemophilic members belonging to 28 families were enrolled in August 1984 in a study of human T cell lymphotropic virus type III/lymphadenopathy-associated virus (HTLV-III/LAV) antibody status and T cell subpopulation numbers.… Read more

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Human T-lymphotropic retrovirus type III/lymphadenopathy-associated virus antibody. Association with hemophiliacs’ immune status and blood component usage

Abstract

We studied the human T-lymphotropic retrovirus type III/lymphadenopathy-associated virus (HTLV-III/LAV) antibody status of 234 factor VIII concentrate recipients, 36 factor IX concentrate recipients, 69 long-term recipients of frozen packed red blood cells, and 47 persons not receiving routine transfusion therapy.… Read more

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HTLV-I antibody status in hemophilia patients treated with factor concentrates prepared from U.S. plasma sources and in hemophilia patients with AIDS

Abstract

Serum samples from 85 Austrian hemophilia patients treated with lyophilized factor concentrates prepared from U.S. plasma sources, 24 hemophilia patients from Georgia on a home therapy program with factor concentrates, and 10 U.S. hemophilia patients with acquired immunodeficiency syndrome (AIDS) were analyzed by two different methods for the presence of antibodies to the major internal antigen of human T-cell leukemia virus I (HTLV-I) p24.… Read more

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Immune status of blood product recipients

Abstract

Persons with hemophilia are at risk of the acquired immunodeficiency syndrome (AIDS), and clinically asymptomatic hemophiliacs have shown a high incidence of AIDS-like immune abnormalities, facts leading to speculation that many hemophiliacs have been exposed to the AIDS agent through their blood products.… Read more

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Acquired immunodeficiency syndrome (AIDS) in hemophiliacs

Abstract

From mid-1977 to mid-1983 the Centers for Disease Control (CDC) has received reports of more than 2,100 cases of acquired immunodeficiency syndrome (AIDS). These cases had either biopsy-confirmed Kaposi’s sarcoma or a biopsy or culture confirmed life-threatening opportunistic infection, without an identifiable cause of immunosuppression.… Read more

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In vitro cultivation of nonlymphoid thymic cells: morphological and immunological characterization

Abstract

Nonlymphoid thymic elements play an important role in T-lymphocyte development, especially in the development of recognition of transplantation antigens (H-2 in the mouse). Understanding this process will require the isolation and characterization of these cells. A simple technique for the culture of an enriched population of murine thymic epithelium is described.… Read more

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Distinctive immunological properties of cultured murine thymic epithelial cells

Abstract

Skin painting with chemically reactive haptens induces a hapten-specific state of hypersensitivity that is long lasting and can be transferred to unirradiated recipient mice. A similar state of hapten-specific contact sensitivity can be induced by intravenous immunization with hapten-conjugated cells.… Read more

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Acquired immunodeficiency syndrome (AIDS) associated with transfusions

Abstract

Of 2157 patients with the acquired immunode­ficiency syndrome (AIDS) whose cases were reported to the Centers for Disease Control by August 22, 1983, 64 (3 per cent) with AIDS and Pneumocystis carinii pneumonia had no recognized risk factors for AIDS.… Read more

Illustration(s) pertain to the topic addressed in this publication, not the specific research or data presented in the publication

Acquired immunodeficiency syndrome (AIDS) in hemophiliacs

Abstract

From mid-1977 to mid-1983 the Centers for Disease Control (CDC) has received reports of more than 2,100 cases of acquired immunodeficiency syndrome (AIDS). These cases had either biopsy confirmed Kaposi’s sarcoma

or a biopsy or culture confirmed life-threatening opportunistic infection, without an identifiable cause of immunosuppression.… Read more

Illustration(s) pertain to the topic addressed in this publication, not the specific research or data presented in the publication

Detection of a novel binding site for T cell derived antigen binding proteins on thymic epithelial cell surfaces

Abstract

The presence of helper T cells that do not recognize major histocompatibility complex encoded antigenic determinants but rather are specific for self idiotypic determinants led us to search for a mechanism by which such cells might be influenced by idiotype expressed on the surfaces of thymic epithelial cells.… Read more

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Transient antibody deficiency and abnormal t-suppressor cells induced by phenytoin

Abstract

The lack of normal  B-cell  differentiation in patients with acquired or congenital antibody  deficiency may reflect abnormalities inherent in cells of B-lymphoid  lineage or may  involve abnormalities of regulatory (suppressor) cells. Circulating suppressor T cells,  which interfere with IgM secretion in a plaque-forming-cell assay, have been found in 60 per cent of these patients,  but their role in the pathogenesis of the disease is unclear. … Read more

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How T lymphocytes recognize antigen

Abstract

One of the most intriguing problems in immunology during the years since the discovery of T cells as an entity has been the nature and specificity of their receptors. The study of the antigen-binding receptors in T cells has been plagued by a number of technical difficulties that are just now being solved.… Read more

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T lymphocytes responding to Mls-locus antigens are Lyt-1+, 2- and I-A restricted

Abstract

We have investigated primary and secondary responses of mouse splenic T cells to strong mixed lymphocyte stimulating antigens controlled by the Mls locus using MHC-identical mixtures of cells. Our studies show that strong primary Mls-locus specific responses involve recognition of self I-A antigens, since BUdR and light suicide or F1 into parent radiation bone-marrow chimeras both demonstrate a preference of unprimed F1 T cells to respond to Mls-locus antigens associated with one parent’s MHC antigens.… Read more

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Quantitation of human thymus/leukemia-associated antigen by radioimmunoassay in different forms of leukemia

Abstract

Using a radioimmunoassay, increased levels of a human thymus/leukemia-associated antigen (HThy-L) have been detected in leukemic cells and plasma from most patients with E-rosette-positive acute lymphoblastic leukemia (ALL) and a number of patients with E-rosette-negative ALL, acute myeloblastic leukemia (AML), acute monomyelocytic leukemia (AMML), and acute undifferentiated leukemia (AVL).… Read more

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Diagnostic considerations in ataxia-telangiectasia

Abstract

13 children with ataxia-telangiectasia were followed for 6 years. Unlike previously reported cases, these patients had progressive, debilitating neurological disease and slight pulmonary or infectious symptoms. Immunological dysfunction was variable and endocrinological defects were absent. Oculomotor findings, alpha-fetoprotein levels, and the incidence of chromosomal breakage were the most consistent parameters in the diagnosis of the condition.… Read more