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Biomedical subjects

E Stevens

Publications and source records attributed to E Stevens.

At least 109 records · Page 6Linked to original sources

Detection of class-specific antibodies against Aspergillus fumigatus antigens in various pulmonary diseases.

Using an enzyme-linked immunosorbent assay (ELISA) and a radioimmunoassay (RAST), the specific IgA, IgG, IgM and IgE antibody levels against Aspergillus fumigatus antigens were determined in sera from patients with either chronic bronchitis or non-allergic bronchial asthma, allergic asthma, allergic bronchopulmonary aspergillosis or aspergilloma. These levels were compared with those in serum samples from healthy controls. The results showed statistical differences in specific antibody levels between the five groups of patients. It was not possible, however, to reliably classify a subject in one of the studied pathological groups on the sole basis of the assays used.

Antibodies, Fungal↗

CT findings in nonmucosal eosinophilic gastroenteritis.

A 22-year-old patient with eosinophilic gastroenteritis with predominantly submucosal and muscular involvement is presented. The benefits of CT, using water as an orally administered contrast agent, are stressed, because CT enabled the authors to suggest a full thickness biopsy, after mucosal biopsies had remained repeatedly negative.

Adult↗

Abnormal red blood cell ion transport and hypertension. The People's Gas Company study.

A population-based survey of 134 white men, recruited from the Chicago People's Gas Company labor force, was carried out to examine the association between sodium-lithium (Na-Li) countertransport and hypertension. Of the 134 participants in this industry-sponsored periodic health examination, 64 were normotensive and 70 were either taking antihypertensive medications or had a systolic pressure greater than or equal to 140 or a diastolic pressure greater than or equal to 90 mm Hg. The hypertensives were older and more overweight. Countertransport was significantly higher in hypertensives than in normotensives. Among the three subgroups of hypertensives--untreated, borderline (140/90 to 160/95 mm Hg), untreated definite (over 160/95 mm Hg), and treated--an increase in countertransport was consistently observed, significant for the latter two groups. The relationship between countertransport and hypertension was independent of overweight, with countertransport being significantly related to both blood pressure and overweight. Altered ion transport may play an important role in the etiology and/or pathophysiology of hypertension.

Adult↗

Complete sequence of one copy of the psbA gene from the thermophilic cyanobacterium Synechococcus elongatus.

One copy of the psbA gene which codes for the photosystem II reaction center D-1 protein from the thermophilic cyanobacterium Synechococcus elongatus has been sequenced. It is feasible that a disulfide bridge between D-1 Cys212 and D-2 Cys212 is responsible for the thermostability of the photosystem II reaction center from Synechococcus elongatus.

Amino Acid Sequence↗

End stage renal failure.

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Costs and Cost Analysis↗