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Biomedical subjects

M S Skinner

Publications and source records attributed to M S Skinner.

11 recordsLinked to original sources
PubMed1983

Multiple gastric lipomas.

A patient with gastric ulceration and hemorrhage due to multiple antral gastric submucosal lipomas is presented. The number and close apposition of the lipomas resulted in loss of the usual gastroscopic and radiologic findings associated with these benign tumors. Complications arising from both singly occurring and multiple gastric lipomas are discussed.

Gastrectomy↗
PubMed1973

Persistent Newcastle disease virus infection in embryonic chicken tracheal organ cultures.

The persistent infection of embryonic chicken tracheal organ cultures with Newcastle disease virus (NDV) is described. Tracheal explants remained morphologically intact and were able to support the replication of NDV for 6 months. Peak titers of released virus occurred at 1 week postinfection, whereas maximal immunofluorescence was not observed until 30 days postinfection. The inoculum titer was not critical, and viral persistence resulted with either of two strains of NDV tested. Serum was not required in the medium for explant viability or to maintain the persistent infection. The presence of a contaminating virus morphologically resembling a leukovirus neither altered the course of infection nor affected the survivability of explants. Although interferon was not detected in the culture medium, persistently infected explants were resistant to heterologous viral challenge, and a similar resistant state could be induced in uninfected explants with exogenous interferon or ultraviolet light-inactivated NDV. No evidence was found to implicate antibody as a regulatory factor in the establishment or maintenance of persistence. The results from electron microscopy and immunofluorescence suggest the cells of the subepithelial connective tissue as the site of NDV persistence.

Animals↗
PubMedDate not supplied

Evaluation of beta-subunit chorionic gonadotropin as an aid in diagnosis of trophoblastic disease.

The advent of the radioimmunoassay of Beta subunit chorionic gonadotropin (BhCG) has eliminated a major problem in following the patient with gestational trophoblastic neoplasia (GTN). Whole hCG cross reacts with luteinizing hormone (hLH) causing difficulties when GTN patient titers fall to levels coincidental with pituitary levels of hLH. The use of the Beta subunit of hCG in radioimmunoassay has eliminated this problem because there is essentially no cross reaction between the B-subunit of the hCG and hLH. A review of the use of this sensitive assay in the management of patients with GTN is presented.

Chorionic Gonadotropin↗