نتایج جستجو برای: lymphoid organs
تعداد نتایج: 98857 فیلتر نتایج به سال:
A key principle of emergency management is establishing an incident command centre. That's where information gathered via integrated communications, plans are formulated, responsibilities assigned, and resources deployed. The immune system deals with microbial threats by this same approach, using organised lymphoid tissues. At the early stages infections, conventional dendritic cells (cDCs) tra...
Hematopoietic stem cell transplantation (HSCT) offers a cure for cancers that are refractory to chemotherapy and radiation. Most HSCT recipients develop chronic graft-versus-host disease (cGVHD), a systemic alloimmune attack on host organs. Diagnosis is based on clinical signs and symptoms, as biopsies are risky. T cells are central to the biology of cGVHD. We found that a low Treg/CD4+ T effec...
UNLABELLED Bone marrow (BM) cells are considered the source of stem cells for various organs. However, how quickly BM cells can penetrate and constitute lymphoid organs remains elusive. In the present study, we addressed this issue in a model using genetically-labeled syngeneic BM transplantation (BMT). METHODS Donor BM cells were obtained from "green mice", transgenic mice with enhanced GFP....
Immune cell trafficking in the secondary lymphoid organs is crucial for an effective immune response. Recirculating T cells constantly patrol not only secondary lymphoid organs but also the whole peripheral organs. Thoracic duct lymphocytes represent an ideal cell source for analyzing T cell trafficking: high endothelial venules (HEVs) allow recirculating lymphocytes to transmigrate from the bl...
Virulent Newcastle disease has threatened the Mexican poultry industry since 1946. Two Mexican virulent strains belonging to the Chimalhuacan (Quail2006) and Torreon (Chicken2000) lineages of genetic group V, as well as the ancient Mexican strain named Queretaro and a Beaudette C-like US strain (genotype II) were tested by pathogenesis analysis in commercial 5 weeks old broiler chickens, compar...
Tertiary lymphoid structures (TLSs) are clusters of cells with an organization that resembles secondary organs. Both share common developmental characteristics, although TLSs usually appear in chronically inflamed non-lymphoid tissues, such as tumors. contain diverse types immune cells, varying degrees spatial represent different stages maturation. These support both humoral and cellular respon...
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