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Biomedical subjects

M Jamra

Publications and source records attributed to M Jamra.

At least 19 recordsLinked to original sources
PubMed1989

[Normal hematologic parameters].

Hematological studies by several Brazilian and other Latin-American authors who give parameters considered as normal for different populations have been reviewed. Results showed significant differences, due to social, environmental and nutritional factors as well as to different methodological procedures and also to age, sex, race, occupation and other individual characteristics. Three Brazilian studies were selected in the light of the wide variety of parameters included. Ranges are presented as a demonstration of the variations in such samples, presumably considered "normal" by the respective authors presumably "normal". One of the purposes of the present study is to establish the basis for future investigation into the effects of industrialization on the ranges of the hematological parameters of individuals taken to be normal.

Adolescent↗
PubMed1979

[Progressive antithrombin activity in blood of pregnant women and neonates in the first four days of life (author's transl)].

Progressive antighrombin activity was assayed in 45 term infants in the first four days of life, in 20 cord blood specimens and in the blood of 20 pregnant women (at term). In the term infants a positive correlation was shown between progressive antithrombin and postnatal age. No correlation could be demonstrated with sex, ethnic group or type of delivery. Maternal antithrombin activity was shown to be moderately decreased, maternal values being closely related to cord blood values.

Antithrombin III↗
PubMed1978

Epstein-Barr virus infections in Brazil. II. Hodgkin's disease.

Sixty-seven cases of Hodgkin's disease (HD) occurring in São Paulo, Brazil, were studied. Males with HD predominated over females 2.3 to 1. Sixty-six percent of the cases occurred in patients under 30 years of age, 31.7% under 20 years of age, and only 7.5% after 50 years of age. Lymphocyte predominance and mixed cellularity histologic types were most common in patients less than 15 years old, and nodular sclerosis was most common in the 15- to 19-year-old group. Sera from all patients had antibody to the viral capsid antigen (VCA) of Epstein-Barr virus (EBV). The geometric mean titer (GMT) of VCA antibody with the use of Jijoye cells as antigen was 1:162, and 31.3% of patients had titers of 1:320 or more; in controls, the GMT was 1:67 and 3.8% had titers of 1:320 or more. Similar results were obtained when EB-3 cells were used as antigen. The highest titers occurred in males, in mixed cellularity and lymphocyte depletion forms, and in stage 2 of illness. EBV-specific IgM antibody and heterophile antibody levels were not elevated, but 20.5% of the HD patients had antibody to the early antigen of EBV present in their sera. Antibody levels for herpes simplex virus, cytomegalovirus, rubella, measles, parainfluenza viruses, and papovavirus were not significantly elevated over those in matched controls.

Adolescent↗
PubMedDate not supplied

Cytomorphologic findings on the final stages of erythrocyte maturation in mamals.

An increase of organelles occurs at the reticulocytary maturation stage, when compared with the erythroblastic one, in the peripheral blood of embryos and of patients with acquired hemolytic anemia. This increase is due to hemosome formation, in which possibly the final stage of hemoglobin biosynthesis may take place. In animals with posthemorrhagic anemia, biosynthesis does not occur and reticulocytes present only typical mitochondria. Based on these findings, as well as on reticulocyte basophilia, suggestions were done for the introduction of some modifications in the Harris & Kellermeyer16 1970 conception of the erythrocyte maturation.

Animals↗