نتایج جستجو برای: mice peritoneal exudates
تعداد نتایج: 426393 فیلتر نتایج به سال:
The roles played by resident macrophages (Mphi) and mast cells (MCs) in polymorphonuclear leukocyte (PMN) accumulation and chemokine production within the mouse peritoneal cavity in response to administration of zymosan (0.2 and 1 mg), LPS (1 mg/kg), and thioglycolate (0.5 ml of a 3% suspension) were investigated. A marked reduction (>95%) in intact MC numbers was obtained by pretreatment with ...
We have demonstrated that a murine cytotoxic peritoneal cell can be elicited by intraperitoneal immunization with heat-killed Mycobacterium bovis, strain Bacillus Calmette-Guérin (BCG). When these cells are injected together with cells of clone B(5)59 of B16 melanoma in a Winn-type transfer assay into syngeneic C57BL/6J mice, the tumorigenic potential of the melanoma is completely abrogated. Si...
The modifying effects of auraptene isolated from the peel of citrus fruit (Citrus natsudaidai Hayata) on macrophage and lymphocyte functions were investigated in mice. Female BALB/c mice were gavaged with auraptene at a dose of 100, 200 or 400 mg/kg once a day for 10 consecutive days. Glucose consumption of peritoneal macrophages was significantly higher than that in the control group (P < 0.05...
It has been shown that Bothrops jararaca venom (BjV) induces a significant leukocyte accumulation, mainly neutrophils, at the local of tissue damage. Therefore, the role of the adhesion molecules intercellular adhesion molecule-1 (ICAM-1), LECAM-1, CD18, leukocyte function-associated antigen-1 (LFA-1) and platelet endothelial cell adhesion molecule-1 (PECAM-1) on the BjV-induced neutrophil accu...
An investigation was carried out to determine the potential for activating tumor-inhibitory macrophages with the cytotoxic antitumor agent, bisantrene. Macrophages prepared from peritoneal exudates of mice treated i.p. with bisantrene were extremely active in inhibiting the growth of tumor cells. The minimal effective in vivo dose of this drug appeared to be 25 mg/kg, with peak activation being...
Vav1 is a hemopoietic-specific Rho/Rac guanine nucleotide exchange factor that plays a prominent role in responses to multisubunit immune recognition receptors in lymphoid cells, but its contribution to regulation of neutrophil functions is unknown. Activated Rho family GTPases are critical participants in neutrophil signaling cascades initiated by binding of FMLP and other chemoattractants to ...
The RhoA-specific guanine nucleotide exchange factor p190RhoGEF has been implicated in the control of cell morphology, focal adhesion formation, and motility. Previously, we reported that is also active various immune cells. In this study, examined whether over-expression could affect atherosclerotic plaque formation mouse aortae. For purpose, transgenic (TG) mice over-expressing were cross-bre...
Proteoglycan (PG) aggrecan-induced arthritis (PGIA) is a murine model of rheumatoid arthritis (RA). Although BALB/c and DBA/2 mice share the same MHC (H-2d) haplotype, the BALB/c strain is susceptible to PGIA, while DBA/2 mice are resistant. Therefore, these two inbred mouse strains provide an opportunity to study arthritis susceptibility factors excluding the effects of MHC-associated genetic ...
The transcription factor Gata6 regulates proliferation and differentiation of epithelial and endocrine cells and cancers. Among hematopoietic cells, Gata6 is expressed selectively in resident peritoneal macrophages. We thus examined whether the loss of Gata6 in the macrophage compartment affected peritoneal macrophages, using Lyz2-Cre x Gata6(flox/flox) mice to tackle this issue. In Lyz2-Cre x ...
Establishing a feasible intraperitoneal (i.p.) xenograft model in nude mice is a good strategy to evaluate the antitumor effect of drugs in vivo. However, the manipulation of human cancer cells in establishing a stable peritoneal carcinomatosis model in nude mice is problematic. In the present study, the ovarian and colorectal peritoneal tumor models were successfully established in nude mice b...
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