解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::A murine interleukin-2 (IL-2)-dependent T-cell line, CTLL-2, was infected with a retrovirus carrying the mouse c-myc cDNA and the Tn-5 neogene. Transduced cells were selected in the presence of Geneticin sulfate (G418); these cells were shown to express both the endogenous and the transduced c-myc genes. The IL-2 requ...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.44.6.559
更新日期:1988-12-01 00:00:00
abstract::We investigated the capacity of counterflow-isolated human monocytes to independently synthesize thromboxane B2 (TxB2) and prostaglandin E2 (PGE2) when stimulated with bacterial lipopolysaccharide (LPS). Independent metabolism was confirmed by establishing different specific activities (dpm/ng) of TxB2 and PGE2 releas...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.44.5.376
更新日期:1988-11-01 00:00:00
abstract::Previously, we demonstrated the stimulus-specific ability of platelet lysate or release products to inhibit neutrophil functions in response to f-met-leu-phe (fMLP) or phorbol myristate acetate (PMA). The present study further characterizes these activities and identifies one of the platelet inhibitors of neutrophil s...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.44.5.411
更新日期:1988-11-01 00:00:00
abstract::Feline peritoneal cells were collected by lavage with isotonic saline without the use of irritants or need for euthanasia of the cats. Macrophages were purified by centrifugation on Percoll followed by selective adherence. Although few macrophages could be obtained from an initial lavage, a second lavage performed on ...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.44.5.319
更新日期:1988-11-01 00:00:00
abstract::Because myotonic dystrophy (MD) is an autosomal dominant multisystemic disorder affecting plasma membrane, we have studied the oxidative burst of PMNs. The PMA and fMet-Leu-Phe-stimulated superoxide generation is defective in the patient group as compared to controls: the response is both delayed and low. The kinetic ...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.44.3.180
更新日期:1988-09-01 00:00:00
abstract::The effect of platelets and their products on in vitro responses of human neutrophils to f-met-leu-phe (fMLP) and phorbol myristate acetate (PMA) was studied. Platelets produced a concentration-dependent inhibition of neutrophil superoxide anion (O2-) generation with maximum inhibition of the response to fMLP approach...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.44.2.93
更新日期:1988-08-01 00:00:00
abstract::We have characterized the beta-adrenergic receptor binding site and the beta-adrenergic cAMP response of the HL-60 cell. The hydrophilic ligand [3H]-(-)-CGP-12177 was specifically and reversibly bound to one single class of binding sites (Kd 220 pM and Bmax 1,970 sites/cell). The adrenergic agonists inhibited the spec...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.44.1.41
更新日期:1988-07-01 00:00:00
abstract::The toxicity of guanosine and deoxyguanosine in the presence or absence of the purine nucleoside phosphorylase inhibitor, 8-aminoguanosine, for malignant lymphoid cell lines and mitogen-stimulated peripheral blood lymphocytes has been studied. Deoxyguanosine inhibited the proliferation of lymphoid cells more strongly ...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.44.1.46
更新日期:1988-07-01 00:00:00
abstract::Attempts to analyze bone marrow-derived macrophages (BMDM) by flow cytometry have been prohibited because of their high autofluorescence. Using an autofluorescence reduction method of Steinkamp and Stewart to reduce the autofluorescence of BMDM, we were able to examine several macrophage populations for their expressi...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.43.6.557
更新日期:1988-06-01 00:00:00
abstract::Binding of a potent chemotactic formyl tetrapeptide, formylmethionyl-leucyl-phenylalanyl-phenylalanine (fMet-Leu-Phe-Phe), to the formyl peptide receptors on the rabbit neutrophil was assessed by two approaches. A tritiated preparation of fMet-Leu-Phe-Phe was used for direct binding studies, whereas indirect studies c...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.43.5.420
更新日期:1988-05-01 00:00:00
abstract::The oxidative metabolic burst of stimulated human polymorphonuclear leukocytes (PMNs) has been evaluated by the measurement of oxygen consumption, chemiluminescence, and oxygen radicals (O2-, H2O2, OH-) derived from activation of the hexose monophosphate shunt (HMPS). PMNs from patients with chronic granulomatous dise...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.43.4.317
更新日期:1988-04-01 00:00:00
abstract::Previous work indicated that macrophages and a lymphoid dendritic cell-like tumor line, P388AD.2, possessed a differential ability to present a haptenated immunoglobulin (tolerogen) in vitro. Macrophages presented fluorescein-conjugated sheep gamma globulin (FL-SGG) and elicited B-cell unresponsiveness. In contrast, P...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.43.3.271
更新日期:1988-03-01 00:00:00
abstract::We evaluated the concept that the vascular entrance of both bacterial and nonbacterial particulate material could lead to hepatic parenchymal cell injury, either due to postphagocytic Kupffer cell activity or the margination of activated leukocytes in the liver. Injection of denatured, collagen-coated particles as wel...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.43.3.193
更新日期:1988-03-01 00:00:00
abstract::HL-60 cells are promyelocytic leukemia cells that respond to culture conditions with differentiation into granulocytelike or macrophagelike phagocytes. O2 metabolism is critical to the microbicidal function of phagocytic cells. O2 metabolism was studied in HL-60 cells differentiated with dimethylsulfoxide (Me2SO) and ...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.43.2.140
更新日期:1988-02-01 00:00:00
abstract::Radiation-induced chimeric mice were used to study the origin of pulmonary alveolar macrophages. Unlike in other studies, these radiation chimeras were prepared by using a special fractionated irradiation regimen to minimize the killing of alveolar macrophage colony-forming cells, putative local stem cells. For this s...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:
更新日期:1987-11-01 00:00:00
abstract::We have shown previously that the cellular proteins 47b and 71/73 could be used to construct phenotypes that distinguish among bone marrow culture-derived (BMCD) macrophages that were either unstimulated or primed by gamma interferon or fully activated for tumor cell killing by gamma interferon in combination with lip...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.42.3.213
更新日期:1987-09-01 00:00:00
abstract::It has generally been accepted that most biologically derived agents that are radioprotective in the hemopoietic-syndrome dose range (eg, endotoxin, Bacillus Calmette Guerin, Corynebacterium parvum, etc) exert their beneficial properties by enhancing hemopoietic recovery and hence, by regenerating the host's ability t...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.42.2.95
更新日期:1987-08-01 00:00:00
abstract::Several in vitro functions of neonatal neutrophils (N-PMN) have been reported to be deficient and may be functionally related to the increased susceptibility of the newborn to infection. To evaluate an in vitro event corresponding to one of the early steps in the sequence of inflammation, we used zymosan-activated pla...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.41.6.465
更新日期:1987-06-01 00:00:00
abstract::Protein synthetic patterns of murine peritoneal macrophages were analyzed by two-dimensional polyacrylamide gel electrophoresis (2D PAGE) of 35S methionine-labeled proteins. While the protein synthetic patterns exhibited by resident, inflammatory, and activated macrophages had numerous common features that distinguish...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.41.6.527
更新日期:1987-06-01 00:00:00
abstract::Leucocyte-endothelial cell interactions are important in the inflammatory response. In this study, the effect of peripheral blood mononuclear cell (PBMC) products on endothelial cell (EC) shape was examined and quantified. PBMC were obtained from normal donors by Ficoll-Hypaque separation of heparinized whole blood an...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.41.5.421
更新日期:1987-05-01 00:00:00
abstract::Human neutrophils generate oxygen reduction products as a consequence of membrane interactions with a number of stimuli. One oxygen-centered free radical (superoxide) has been unequivocally shown to result from this "respiratory burst," and some experimental evidence for another (hydroxyl radical) has been published, ...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章,评审
doi:10.1002/jlb.41.4.349
更新日期:1987-04-01 00:00:00
abstract::The effect of selected monosaccharides on the random migration of normal adult rabbit alveolar macrophages (AM) was investigated. It was observed that 10 mM of L-fucose, L-galactose, or D-mannose stimulated AM migration 1.5-2.0 times. In addition, derivatives of L-fucose and D-mannose occupying the carbon-6 position s...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.41.3.248
更新日期:1987-03-01 00:00:00
abstract::An anti-macrophage monoclonal antibody designated TRPM-3 was produced using thioglycollate-elicited rat peritoneal macrophages as immunogen. By the immunoperoxidase method, TRPM-3 was found to be specific for certain macrophage populations, such as marginal zone macrophages and marginal metallophils of the spleen, sin...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.41.3.187
更新日期:1987-03-01 00:00:00
abstract::A cell resistant to concentrations of mitomycin-C associated with the inactivation of many in vitro immune responses is described. This cell is responsive to concanavalin A (Con A), poorly adherent to nylon wool, present in relatively greater numbers in lymph node than other lymphoid tissues, and is relatively radiose...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.41.1.33
更新日期:1987-01-01 00:00:00
abstract::We have previously reported that human neutrophils can be permeabilized with the cholesterol-complexing agent digitonin. These permeabilized cells can be induced to secrete lysosomal constituents when exposed to micromolar levels of free Ca2+, a process that is enhanced by certain guanine nucleotides. We examined the ...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.41.1.8
更新日期:1987-01-01 00:00:00
abstract::An accessory cell line, designated line A, was generated from bone marrow stem cells which differentiated in vitro in response to colony-stimulating factor (CSF) in substratum cultures. The cells were found to constitutively secrete large amounts of CSF, the activity of which was neutralized by anti-CSF-1 antibodies. ...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.40.2.183
更新日期:1986-08-01 00:00:00
abstract::The effects on macrophage growth of seven phospholipids that are normally present in cell membranes were examined. Phosphatidylcholine and sphingomyelin which are the main phospholipid constituents of mammalian cell membranes, had no effect on growth of macrophages. Phosphatidylinositol also had little effect. On the ...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.39.6.713
更新日期:1986-06-01 00:00:00
abstract::When mouse peritoneal cells in early phase-inflammatory exudates were cultured in vitro, the number of polymorphonuclear leukocytes (PMNs) rapidly decreased, whereas the number of macrophages gradually increased during culture. Macrophage growth was also induced by addition of effete PMNs or their debris to macrophage...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.39.5.489
更新日期:1986-05-01 00:00:00
abstract::Neovascularization, the process of new blood vessel growth, is an important feature of many pathologic and physiologic processes. Monocytes were isolated from citrated blood buffy coat of healthy adult human donors on Ficoll-Hypaque gradients. Mononuclear cells from these gradients were fractionated on discontinuous P...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.39.2.233
更新日期:1986-02-01 00:00:00
abstract::Rats were injected with phenylhydrazine (PHZ) for periods of up to 6 months, during which time a marked leukocytosis was induced. The highest leukocyte counts occurred within 4-5 days following injection. An initial injection of 4 mg/100 gm body weight evoked a mean total leukocyte count of 129 X 10(3) cells/microlite...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.39.1.37
更新日期:1986-01-01 00:00:00
abstract::Macrophage-like tumor cells can be obtained in large quantities as rather homogeneous populations, making these cells useful for chemotaxis assays. Therefore, macrophage-like cells J774A, WEHI-3, P388D1, IC-21, and NCTC 1469, all of murine origin, and U937 of human origin, were tested for chemotactic activity to a num...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.38.6.747
更新日期:1985-12-01 00:00:00
abstract::Increased concentrations of eicosanoids are found in synovial fluids (SF) from patients with rheumatoid arthritis (RA). SF polymorphonuclear leukocytes (PMN), which derive from peripheral blood, usually account for approximately 90% of the cells in RA SF. Since eicosanoid precursor fatty acids (FA) are liberated by ph...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.38.5.649
更新日期:1985-11-01 00:00:00
abstract::Exposure of the macrophage-like cell line J774.1 to 20 gray of cobalt-60 gamma radiation resulted in a block of tritiated thymidine incorporation, along with an increase in cell "activation," as assessed by increases in lysosomal enzyme and ectoenzyme content, PMA-induced H2O2 production, and NBT staining, ingestion o...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.38.3.369
更新日期:1985-09-01 00:00:00
abstract::Macrophages are known to be present in the murine uterus and are known to be among those cells comprising the uterine decidual response to pregnancy. The extent of macrophage involvement in the decidual response has not been documented, and there are unresolved questions regarding expression of markers normally associ...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.38.2.255
更新日期:1985-08-01 00:00:00
abstract::Human peritoneal macrophages (HPM) obtained via laparoscopy were examined for the presence and functional capacity of complement and Fc receptors. Between 5 and 20 ml of peritoneal fluid containing 1-2 X 10(6) macrophages/ml was available for each study. Macrophages made up 80-95% of the cells in the fluid. Fc and C3 ...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.38.2.267
更新日期:1985-08-01 00:00:00
abstract::A protein with interleukin 1 (IL-1) activity was obtained from the human acute monocytic leukemia cell line (THP-1) and purified by ultrafiltration, Ultrogel AcA54 chromatography, isoelectric focusing, and discontinuous polyacrylamide gel electrophoresis. Like the pI 6.8 species of IL-1 from human peripheral blood mon...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.37.5.511
更新日期:1985-05-01 00:00:00
abstract::Tissue macrophages produce several proteins of the complement system. The mechanisms that regulate this process are poorly understood. The established ability of certain prostaglandins to influence macrophage secretory activity suggests that these lipid mediators may also modulate complement production (CP). Using the...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.37.5.651
更新日期:1985-05-01 00:00:00
abstract::Investigators from two different laboratories have compared several variables in the short-term macrophage-mediated cytotoxicity assays used by each group to study the role of MuIFN-gamma in macrophage activation. The findings suggest that the capacity of MuIFN-gamma to activate macrophages without the need for a seco...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.37.4.475
更新日期:1985-04-01 00:00:00
abstract::Human peripheral blood monocytes were incubated with free or liposome-encapsulated human lymphokines containing macrophage-activating factor (MAF) and tested for their effect on herpes simplex virus (HSV)-infected target cells. Activated monocytes lysed allogeneic HSV type 2 (HSV-2)-infected whole human embryo cells a...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.37.4.461
更新日期:1985-04-01 00:00:00
abstract::The effect of endothelial cells (EC) on lymphocyte mitogen responses was examined. Irradiated or mitomycin C treated EC were co-cultured with allogeneic peripheral blood mononuclear cells (PBM), and proliferative responses to pokeweed mitogen (PWM) and phytohemagglutinin (PHA) were assessed by 3H-thymidine incorporati...
journal_title:Journal of leukocyte biology
pub_type: 杂志文章
doi:10.1002/jlb.37.3.305
更新日期:1985-03-01 00:00:00