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The antineoplastic agent adriamycin was coupled to an insoluble agarose support. This material was actively cytotoxic to L1210 cells in culture under conditions in which no free adriamycin could enter the cell. It is concluded that an agent whose principal target was previously thought to be DNA can exert its cytotoxic action solely by interaction at the(More)
Rodent and in vitro studies suggest that thiazolidinediones promote adipogenesis but there are few studies in humans to corroborate these findings. The purpose of this study was to determine whether pioglitazone stimulates adipogenesis in vivo and whether this process relates to improved insulin sensitivity. To test this hypothesis, 12 overweight/obese(More)
BACKGROUND Obese, insulin-resistant persons are at risk of cardiovascular disease. How best to achieve both weight loss and clinical benefit in these persons is controversial, and recent reports questioned the superiority of low-fat diets. OBJECTIVE We aimed to ascertain the effects of moderate variations in the carbohydrate and fat content of(More)
AIMS/HYPOTHESIS The biological mechanism by which obesity predisposes to insulin resistance is unclear. One hypothesis is that larger adipose cells disturb metabolism via increased lipolysis. While studies have demonstrated that cell size increases in proportion to BMI, it has not been clearly shown that adipose cell size, independent of BMI, is associated(More)
BACKGROUND We recently identified differences in abdominal subcutaneous adipose tissue (SAT) from insulin-resistant (IR) as compared to obesity-matched insulin sensitive individuals, including accumulation of small adipose cells, decreased expression of cell differentiation markers, and increased inflammatory activity. This study was initiated to see if(More)
We describe a new mature B-cell acute lymphoblastic leukemia (ALL) cell line designated Z-138 that was derived from a patient with chronic lymphocytic leukemia (CLL) whose disease underwent transformation to a rare, aggressive form of mature B-cell ALL. This cell line has an L3 morphology, ultrastructural characteristics of lymphoblasts, B-lineage surface(More)
AIMS/HYPOTHESIS Inflammation is associated with increased body mass and purportedly with increased size of adipose cells. We sought to determine whether increased size of adipose cells is associated with localised inflammation in weight-stable, moderately obese humans. METHODS We recruited 49 healthy, moderately obese individuals for quantification of(More)
AIMS/HYPOTHESIS We have previously described differences in adipose cell size distribution and expression of genes related to adipocyte differentiation in subcutaneous abdominal fat obtained from insulin-sensitive (IS) and -resistant (IR) persons, matched for degree of moderate obesity. To determine whether other biological properties also differ between IR(More)
Philadelphia chromosome (Ph1)-positive acute lymphoblastic leukemia (ALL) is a malignant disorder characterized by a poor prognosis. In recent years hematopoietic growth factors have been used to recruit myeloid leukemia blasts into the proliferative phase of the cell cycle and as supportive agents, both with cytotoxic regimens and in the setting of bone(More)
The purpose of the study was to analyze the clinical and laboratory characteristics of patients with acute lymphocytic leukemia (ALL) who exhibited myeloperoxidase-positive blasts by electron microscopy (EM-MPO-positive), and assess their response to therapy and their prognosis. Since 1988, 21 adults with newly-diagnosed ALL and EM-MPO-positive blasts were(More)