Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:3.2.1.17 (lysozyme)
 21,489 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

On a model of experimental pneumonia in mice caused by the L-forms of bacteria against the background of diminished immunity a study was made of the therapeutic efficacy of penicillin, lincomycin, lysozyme and gamma-globulin. Lincomycin, particularly in combination with biologically-active preparations, proved to be expedience for the treatment and prophylaxis of pneumonia caused by the mentioned bacteria; a rapid arrest of pneumonic process occurred and more animals survived. In the greater percentage of cases the use of penicillin was accompanied by generalization of the process.
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PMID:[Treatment and prevention of experimental pneumonias, caused by L forms of bacteria]. 5 Jun 80

An enzyme linked immunosorbent assay (ELISA) was established to detect rat serum antibodies to pneumonia virus of mice (PVM). Vero cells infected with the virus were absorbed to the surface of microplates, and the presence of antibodies in the sample evaluated were demonstrated by the subsequent use of goat anti-rat immune globulin G conjugated to peroxidase and by specific substrate. The results indicated that antibodies against pneumonia virus of mice could be detected in rat serum with the ELISA procedure. The results were reproducible, and the method was approximately eight times more sensitive than the hemagglutination inhibition procedure.
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PMID:Enzyme-linked immunosorbent assay for the detection of antibodies to pneumonia virus of mice in rat sera. 37 62

Reccurrent abnormalities of polymorphonuclear leukocyte and monocyte bactericidal activity were demonstrated in a patient with sarcoidosis. Defective function occurred during hypercalcemia complicating recovery from Listeria meningitis, and during separate, unrelated episodes of erythema nodosum, staphylococcal cellulitis, and pneumococcal pneumonia. Leukocyte morphology, oxidative metabolism, degranulation, and content of myeloperoxidase and lysozyme were normal, but low leukocyte alkaline phosphatase activity was demonstrable on one occasion. Despite defective bactericidal function of monocytes, the patient's macrophages killed bacteria normally. The relationship between an intermittent leukocyte bactericidal defect and sarcoidosis is unclear; however, further studies of leukocyte function in sarcoidosis patients with opportunistic infection are indicated.
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PMID:Intermittent neutrophil-monocyte bactericidal defects in a patient with sarcoidosis. 80 91

The amount of immunoglobulins A and G and lysozyme in bronchial secretions of children with pneumonia was higher than in ones of bronchitis and infected asthma patients. Immunoglobulins levels increased also with the age of patients.
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PMID:Immunoglobulins A and G and lysozyme in the bronchial secretions of children with acute respiratory tract infections. 89 50

Examination of 108 patients showed that burn disease was accompanied by significant impairments in the host natural resistance. Inclusion of intramuscular administrations of crystalline lysozyme into the complex therapy of such patients during septicotoxemia provided an increase in the factors of humoral and cell immunity. In most of the cases the dynamics of the indices of the host immunological reactivity correlated with the character of the clinical signs of the burn disease. The positive effect of lysozyme was evident in the cases with severe complications such as pneumonia, bacteriemia and burns of the upper respiratory organs.
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PMID:[Lysozyme in the overall therapy of patients with burn trauma]. 121 8

An immunohistochemical analysis of Rhodococcus equi-induced pneumonia in 10 foals was performed by biotin-streptavidin system. The detection of R. equi was more sensitive in immuno-stain using anti-R. equi serum than in Gram's stain. This bacteria also reacted to anti-BCG serum. Lysozyme and alpha 1-antitrypsin were detectable in macrophages. A particularly intense staining was observed in association with intracellular bacteria. Though a degree of reaction for alpha 1-antichymotrypsin was very low in comparison with lysozyme and alpha 1-antitrypsin, it was also demonstrated in macrophages ingesting R. equi. These bacteria were almost intact under an electron microscope. Therefore, the surface components of R. equi may play important roles of protection from intracellular enzymes of macrophages. The cells containing intracytoplasmic IgM, IgG or IgA were a few in number and scattered predominantly around the pneumonic lesion. It is considered that the bactericidal activity by immunoglobulins may be weak in comparison with phagocytosis by macrophages.
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PMID:Immunohistochemical observations on pneumonic lesions caused by Rhodococcus equi in foals. 164 74

The study of immunoglobulins and lysozyme in acute pneumonia patients suffering from acute leukemia and bronchogenic cancer of the lungs elicited impairment of local specific and nonspecific body defences. This fact should be taken into consideration when planning immunotherapy in combined treatment of relevant patients.
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PMID:[Immunoglobulin and lysozyme levels in bronchoalveolar lavage fluid from patients with acute pneumonia in acute leukemia and bronchogenic carcinoma of the lung]. 221 43

We report a case of infantile acute leukemia with t(16; 21) (p11; q22). The patient was a phenotypically normal one-year-old girl without lymphadenopathy or hepatosplenomegaly. Her peripheral blood at diagnosis showed anemia, thrombocytopenia, and many circulating blasts. Bone marrow blasts were monocytoid with fine reticular nuclear chromatin, abundant grayish-blue cytoplasm with occasional pseudopods or cytoplasmic projections and active hemophagocytosis. Serum levels of lysozyme and ferritin were normal. These blasts were not stained with butyrate esterase and immunologic study showed KOR-P77+ (anti-megakaryocyte monoclonal antibody), MY9+, Ia-. Electron microscopic examination failed to show platelet peroxidase activity. Remission was not induced by mini-COAP or VP-16 and the patient died of measles pneumonitis. The patient's blasts took typical appearance of megakaryoblasts later in the course, although some of them retained the ability of hemophagocytosis observed in the original blasts. This case is considered to be quite atypical since leukemic cells with active hemophagocytosis, megakaryoblastic appearance and t(16; 21) (p11; q22) have not been reported in the literature.
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PMID:[Acute leukemia with active hemophagocytosis, positive immunologic markers for the megakaryocyte-platelet lineage, and translocation (16; 21) (p11; q22]. 231 8

Fifteen newborn germ-free pigs were inoculated with 2 strains, D-282 and T-15, of Streptococcus suis type II. Some pigs also were preinoculated with Bordetella bronchiseptica, which successfully predisposed them to S suis infection. The 2 streptococcal strains were differentiated by muramidase treatment, which released certain high molecular-weight proteins, termed muramidase-released proteins (MRP), from the cell wall of strain D-282, but not from the cell wall of strain T-15. Only strain D-282 (MRP-positive) induced clinical signs of disease and markedly increased neutrophil numbers in pigs. Streptococci were more frequently isolated from fecal swab specimens obtained from pigs inoculated with strain D-282 (MRP-positive) than from specimens obtained from pigs inoculated with strain T-15 (MRP-negative). Both strains were isolated from nasal swab specimens obtained from all infected pigs. Postmortem examination revealed fibrinopurulent meningitis, polyserositis, and polyarthritis in pigs inoculated with strain D-282; this strain was isolated from the CNS, serosae, visceral organs, heart, and joints. Whereas strains D-282 caused several pathologic changes, strain T-15, isolated from the lungs, caused only pneumonia. Both strains were isolated from the tonsils of all pigs. Virulence differed distinctly between the MRP-positive and the MRP-negative strains.
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PMID:Differences in virulence between two strains of Streptococcus suis type II after experimentally induced infection of newborn germ-free pigs. 277 20

Based on the clinical observations and post mortem examinations the data are provided on the development, diagnosis and treatment of secondary pneumonias in bronchogenic pulmonary carcinoma. The authors describe the local immunological disorders in patients suffering from pneumonia: the morphologic changes, alterations in the content of lysozyme and protein, acid phosphatase activity, and in the NBT-test for neutrophils of the bronchoalveolar lavage fluid. Demonstrate the clinical efficacy of endobronchial administration of the incubated leukocyte and platelet mass stimulated with tactivin.
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PMID:[Features of the diagnosis and treatment of paracancerous pneumonia in bronchogenic pulmonary carcinoma]. 278 71


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