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Baby hamster kidney (BHK) cells transformed with Rous sarcoma virus, RS-BHK cells, demonstrate a 2.5-fold increase in the activity of N-acetylglucosaminyltransferase V (GlcNAc-T V, EC 2.4.1.155), and this increase in activity appears to be specific for this enzyme. By contrast, a lectin-resistant
Murine sarcoma virus-transformed mouse fibroblasts produce potent immunosuppressive factors (ISF) in vitro. The partially purified ISF inhibited thymocyte proliferation induced by concanavalin A or phytohemagglutinin plus lymphocyte activating factor (Interleukin 1), lipopolysaccharide-induced
Interleukin-2 (IL-2) production of phytohemagglutinin-stimulated peripheral blood lymphocytes (PBL) was studied in 9 healthy subjects and 19 patients with soft tissue sarcomas. Mean IL-2 production by PBL in 19 patients was significantly diminished as compared with the control. Surgery leads to an
Studies were performed to define the immunologic status of various groups of homosexual men including homosexual men with Kaposi's sarcoma, healthy homosexual men who were of similar ages to the homosexual patients with Kaposi's sarcoma and homosexual men with hyperplastic lymphadenopathy.
Multivariate analysis was used to identify which of a large number of pretreatment immunological parameters correlated with therapeutic response, subsequent development of opportunistic infection, and survival from the time of diagnosis in a group of 70 patients with Kaposi's sarcoma and acquired
In the present study, 11 patients with epidemic Kaposi sarcoma were evaluated; 55% were in stage IV and 45% in stage II; in addition, 75% had systemic symptoms, 89% had low total and T-lymphocyte counts, and all of them had not only low T-helper lymphocyte counts but also T-helper/T-suppressor
Three homosexual male patients with biopsy-proved Kaposi's sarcoma were classified as having the acquired immune deficiency syndrome (AIDS) by Centers for Disease Control criteria when first seen in 1983 and 1984. These patients, however, differed from most patients with AIDS and Kaposi's sarcoma in
Monocyte-mediated functions were evaluated in the peripheral blood mononuclear cells (PBMC) of 11 previously untreated patients with Kaposi's sarcoma in association with the acquired immune deficiency syndrome (KS/AIDS). All patients had lymphadenopathy, an abnormal OKT.4/OKT.8 ratio, and a good
Spleens from Moloney sarcoma virus (MSV) tumor-bearing C57BL/6N mice contained four times the normal number of mononuclear cells and displayed a markedly elevated "spontaneous" (mitogen-independent) DNA synthesis on a per cell basis. The number of macrophages were increased three-fold while there
A 24 year old male with a history of eczema, recurrent mild infections, and thrombocytopenia consistent with the Wiskott-Aldrich syndrome (WAS) presented with a mediastinal mass, generalized lymphadenopathy, splenomegaly, and severe thrombocytopenia. Studies of immune function including
The subject of this investigation was an 11-month-old infant girl who presented with a pathological fracture of the right femur due to a metastasis from an abdominal immunoblastic sarcoma. Her past history included recurrent, intractable bacterial and fungal infections. Investigations of her immune
Time course changes in anti-tumor activity induced in peripheral blood lymphocytes (PBL) with recombinant human interleukin-2 (rhIL-2) and phytohemagglutinin-P (PHA) were studied in dogs implanted with canine transmissible venereal sarcoma (CTVS) as a tumor-bearing model. The rhIL-2-dependent and
Canine peripheral blood lymphocytes (PBL) were simulated with recombinant human interleukin-2 (rhIL-2) alone, or with phytohemagglutinin-P (PHA) and subsequent rhIL-2 in order to obtain large numbers of lymphokine-activated killer (LAK) cells. Incubation of PBL with rhIL-2 alone allowed