(1) When chimeric animals were subjected to a lethal challenge of endotoxin, their response was markedly altered by the transferred lymphoid cells.
(2) Histiocytes, lymphocytes, immunoblasts, and plasma cells were present in expanded paracortical regions which encroached on, and occasionally effaced, lymphoid follicles.
(3) The lineage and clonality of Hodgkin's disease (HD) were investigated by analyzing the organization of the immunoglobulin and T-cell receptor beta-chain (T beta) gene loci in 18 cases of HD, and for comparison, in a panel of 103 cases of B- and T-cell non-Hodgkin's lymphomas (NHLs) and lymphoid leukemias (LLs).
(4) The presence of these markers has facilitated the identification and characterization of the mononuclear cells in a number of animal and human lymphoid malignancies.
(5) A constellation of histologic lesions was identified in brain (diffuse meningoencephalitis with bilaterally symmetrical thalamic necrosis), liver (pericholangiohepatitis), lung (pneumonitis), and spleen (lymphoid hyperplasia); this tetrad is apparently unique to this model system.
(6) It was recently demonstrated that MRL-lpr lymphoid cells transferred into lethally irradiated MRL- +mice unexpectedly failed to induce the early onset of lupus syndrome and massive lymphadenopathy of the donor, instead they caused a severe wasting syndrome resembling graft-vs-host (GvH) disease.
(7) Elevated, but variable levels of this protein were observed in proliferating normal fibroblasts and transformed cells of fibroblast, epithelial and lymphoid origin.
(8) Furthermore, these data support our previous suggestion that the expression of human lymphoid differentiation antigens in human-mouse lymphoid hybrids is influenced by the differentiation stage of the fusion partners.
(9) The presence of a previously unreported dipeptide transport mechanism within blood leukocytes and the selective enrichment of the granule enzyme, DPPI, within cytotoxic effector cells of lymphoid or myeloid lineage appear to afford a unique mechanism for the targeting of immunotherapeutic reagents composed of simple dipeptide esters or amides.
(10) Four cases of benign lymphoid hyperplasia (BLH) of the duodenal bulb are reported.
(11) The incomplete penetrance of the neoplastic phenotype and the monoclonality of lymphoid tumors suggest that tumor formation in v-fps mice requires genetic or epigenetic events in addition to expression of the P130gag-fps protein-tyrosine kinase.
(12) These studies demonstrate the potential of ICAM-1 transfectants as tools for analysis of the role of ICAM-1 in lymphoid adhesion.
(13) Between January 1979 and April 1983, 113 children undergoing their first relapse of acute lymphoid leukemia (ALL) at any site were registered in Pediatric Oncology Group study 7834; 98 were eligible and evaluable.
(14) These cells are termed K cells, and although some evidence seems to suggest that they comprise a subpopulation of B lymphocytes, their nature and localization in lymphoid organ is not well known.
(15) Utilization of the immunoglobulin system is based upon the supposition that in lymphoid neoplasms with clonal origin either all or none of the tumor cells should have surface-associated IgM and kappa-reactivities.
(16) These killer cells could lyse a wide range of syngeneic and allogeneic lymphoid tumour cell lines in vitro, and it was found that cell suspensions from nude mice were always significantly more active than those from normal mice, and that the most active effector population was a polymorph-enriched peritoneal-exudate cell suspension.
(17) The expression of p53 was demonstrated in non-T non-B cells and Burkitt's lymphoma cell lines, but neither in two myeloid leukemia cell lines nor in normal lymphoid cells after mitogenic stimulation.
(18) Cyclosporine prevented lymphoid as well as macrophage infiltration of the transplant.
(19) The translocation t(4;11)(q21;q23) is considered a chromosomal marker of acute lymphoid leukemia.
(20) The protein was abundant in all t(14;18)-carrying cell lines and lymphomas and was also found at lower levels in pre-B-cell lines and nonmalignant lymphoid tissues that do not carry t(14;18) translocations.
Tonsil
Definition:
(n.) One of the two glandular organs situated in the throat at the sides of the fauces. The tonsils are sometimes called the almonds, from their shape.
Example Sentences:
(1) There were hemorrhages in sclera, gums and left tonsillar area and a grayish exudate on right tonsil.
(2) The sites involved primarily were the nasal cavity, tonsil and pharynx and about one-fourth of the total cases showed extensive involvement of two anatomical sites at initial presentation.
(3) An abscess of a lingual tonsil should be drained under general anesthesia, and lingual thyroid should be treated conservatively unless it produces obstructive symptoms.
(4) Enlargement of the jugulodigastric node is most often associated with tonsillitis, and the spinal accessory group of nodes with adenoiditis.
(5) The first manifestation was often extranodular (9 patients tonsil, 8 parotid gland, 8 base of tongue, 7 nasopharynx).
(6) With monoclonal antibody AA1, immunostaining was entirely specific for mast cell granules, and there was negligible background staining in a range of tissues including lung, tonsil, colon, gastric mucosa, skin, and pituitary.
(7) Present results supplement and expand earlier data and support the practical value of analysis of short-term cultured tonsil lymphocytes.
(8) Next, tonsil cells were separated into two fractions relatively rich in either T or B cells.
(9) These infections include chronic otitis media, chronic sinusitis and mastoiditis, chronic recurrent tonsillitis and lung abscesses.
(10) The major cerebral lobes, diencephalon, brain stem, cerebellum, cerebellar tonsils, and spinal cord were studied.
(11) It was suggested that a positive provocation test is accompanied by an increase in fibrinolytic activity in the circulating blood of patients with focal infection of the tonsil, and the increase in fibrinolytic activity is closely related to the positiveness of the provocation test.
(12) Conversely, the tonsil core bacteria with the highest bacterial concentrations are more likely to be present on the tonsillar surface and the greater the bacterial concentration, the more likely the bacteria are to be found in most if not all areas of the tonsil core.
(13) Alkaline phosphatase activity was elevated in the lymphocytes from T-CLL, cord blood and tonsils and the blast cells from Null-ALL.
(14) Thus, IL-4 mRNA has markedly different kinetics and intensity of expression in spleen, peripheral blood, and tonsil.
(15) Cefprozil (CFPZ, BMY-28100) granules were administered to 20 children with bacterial infections: acute tonsillitis 8, acute bronchitis 10, purulent lymphadenitis 1, urinary tract infection 1.
(16) The histopathological picture of tonsils removed from positive cases of toxoplasmosis showed characteristics of toxoplasmic lymphadenitis.
(17) Despite the small number of subjects, the facial morphology of the CF children showed a similar pattern to that of children with nasal respiratory obstruction due to enlarged adenoids or tonsils.
(18) All of the lymphoid tissues investigated (bone marrow, thymus, lymph node, spleen, tonsil, adenoid) synthesize complement components in different patterns.
(19) The clinical efficacy and safety of cefixime (CFIX), a new oral cephalosporin, were compared with those of cefroxadine (CXD) in patients suffering from acute lacunar tonsillitis in a double blind study.
(20) The CD40 molecule was constitutively phosphorylated not only in human tonsil B cells but also in transfectants expressing CD40.