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Acıte leukemia

Nabendu Biswas, Sanjit K Mahato, Avik Acharya Chowdhury, Jaydeep Chaudhuri, Anirban Manna, Jayaraman Vinayagam, Sourav Chatterjee, Parasuraman Jaisankar, Utpal Chaudhuri, Santu Bandyopadhyay
The role of c-Jun N terminal Kinase (JNK) has been well documented in various cellular stresses where it leads to cell death. Similarly, extracellular signal-regulated kinase (ERK) which was identified as a signalling molecule for survival pathway has been shown recently to be involved in apoptosis also. Recently we reported that ICB3E, a synthetic analogue of Piper betle leaf-derived apoptosis-inducing agent hydroxychavicol (HCH), possesses anti-chronic myeloid leukemia (CML) acitivity in vitro and in vivo without insight on mechanism of action...
June 2012: Apoptosis: An International Journal on Programmed Cell Death
J E Gold, S C Malamud, F LaRosa, M E Osband
Adoptively transferred immune cells in combination with chemotherapeutic agents form the basis for adoptive chemoimmunotherapy (ACIT) of neoplastic disease. Autolymphocytes (ALT-cells) are ex vivo activated peripheral blood lymphocytes (PBL) from tumor-bearing hosts (TBH) that consist primarily of tumor-specific CD45RO+ (memory) T-cells. These ALT-cells combined with cimetidine (CIM) as autolymphocyte therapy (ALT), have previously been demonstrated to be a safe and active form of outpatient adoptive immunotherapy (AIT) in human TBH with metastatic renal cell cancer (RCC)...
September 1993: American Journal of Hematology
M A Cheever, P D Greenberg, A Fefer
To examine the specificity of adoptive chemoimmunotherapy (ACIT) of established syngeneic tumors, two noncross-reactive C57BL/6 tumors were studied: a Friend virus-induced tumor (FBL-3) and a chemically induced virus-negative tumor EL-4(G-). In vitro studies confirmed that these tumors are antigenically distinct by demonstrating that the cytotoxic responses of spleen cells from mice immunized in vivo and reexposed to tumor in vitro are immunologically specific. Studies of ACIT with cells from mice immunized in vivo demonstrated similar specificity...
August 1980: Journal of Immunology: Official Journal of the American Association of Immunologists
P D Greenberg
Several animal models have been developed in which the adoptive transfer of specifically immune syngeneic T cells has been shown to mediate the eradication of established tumors. In adoptive chemoimmunotherapy (ACIT) of disseminated FBL leukemia with cyclophosphamide and immune T cells, the major effector T cell has been shown to be a noncytolytic Lyt-1+2- T cell that mediates its therapeutic effect without the participation of CTL. Because studies in other models have suggested that CTL can mediate an anti-tumor effect, the efficacy of Lyt-2+ T cells rendered highly cytolytic before adoptive transfer in ACIT of disseminated FBL was examined...
March 1, 1986: Journal of Immunology: Official Journal of the American Association of Immunologists
M A Bookman, R Swerdlow, L A Matis
Antigen-specific syngeneic noncytolytic helper T lymphocyte clones were investigated for their ability to mediate successful adoptive chemoimmunotherapy (ACIT) of mice with established RBL5 tumors. Clone B10, specific for the viral coat m.w. 70,000 glycoprotein, could be rapidly activated in situ after local transfer with intact tumor cells in syngeneic hosts to produce a delayed-type hypersensitivity reaction. For ACIT, mice bearing 5-day-old tumors received cyclophosphamide followed by transfer of resting helper T lymphocyte clones with or without exogenous interleukin 2 (rIL-2)...
November 1, 1987: Journal of Immunology: Official Journal of the American Association of Immunologists
J M Zarling, R C Nowinski, F H Bach
Spleen cells from 2- to 3-month-old normal mice of some strains having a low incidence of spontaneous leukemia were found to lyse cells of the spontaneous AKR leukemia K36 in the 51Cr release assay. Incubation of 51Cr-labeled ADR K36 cells with spleen cells from normal C57BL/6, C57L, C57BL/10, and RF mice resulted in the release of significantly more 51Cr than that released in the presence of medium alone. In contrast, 51Cr released from AKR K36 cells after incubation with spleen cells from mice of the high leukemic strains AKR and C58 was less than that released spontaneously...
July 1975: Proceedings of the National Academy of Sciences of the United States of America
R Winter, D Piskorska, T Jerzykowski
Determinations were made of glyoxalase I and glyoxalase II acitivity in the liver of mice (BDF1 and DBA2 strains) bearing sarcoma 180 and L1210 leukemia in ascites form. A progressive decrease in the both glyoxalase I and glyoxalase II activities to about 40--60% of that of the control groups was observed within the developing period 8--9 days. Test results are interpreted in the light of the postulated role of this enzyme system in cell division and in the tumor development process.
1978: Neoplasma
N Williams, H Jackson, A P Sheridan, M J Murphy, A Elste, M A Moore
Megakaryocytes and their precursor cells were sustained in mouse bone marrow suspension cultures for over 4-6 wk. Megakaryocyte precursor cells were detected by their capacity to form colonies of megakaryocytes in semisolid agar cultures. Colony formation was dependent on the presence of medium conditioned by a myelomonocytic leukemic cell line (WEHI-3CM). Megakaryocytes from the liquid and semisolid cultures were identified by cytoplasmic acetylcholine esterase and by ultrastructural analysis. The suspension medium from the bone marrow liquid cultures which sustained megakaryopoiesis was not directly acitive in stimulating megakaryocyte colony formation in the semisolid agar cultures, but potentiated the number of colonies detected when WEHI-3CM was present...
February 1978: Blood
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