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Biomedical subjects

J M Bidet

Publications and source records attributed to J M Bidet.

35 records · Page 2Linked to original sources
PubMed1975

Electrophoretic mobility of blood lymphocytes in cancer patients.

Determination of electrophoretic mobility of lymphocytes in 70 cancer patients shows a significant decrease of the fast moving cells. It seems to be a relation between the percentage or absolute number of the rapid lymphocytes and dissemination and prognosis of the disease. This decrease is in agreement with the variations of the T lymphocyte population described in cancer patients with other methods. On the contrary, although there is reduction of total blood lymphocytes, the number of slow moving cells is not reduced. The changes observed in mean migration speed of fast and slow migrating lymphocytes could indicate more selective alterations in some cell subpopulations.

Adult↗
PubMed1975

[Utilization of rubidium 86 for humoral cytotoxicity tracing of sarcoma 180].

86Rb has been used as a tracer for Sarcoma 180 ascitic cells in a humoral cytotoxicity system, and compared with the trypan blue dye exclusion method. In as little as five minutes after contact with antiserum and complement, about 90 p. cent of the isotope has gone from the cells, with a significant difference between controls and experimentals. There is a good correlation between 86Rb and trypan blue dye exclusion results. The only pitfall is a relative fragility of cells during the centrifugation stages of the two washings.

Animals↗
PubMedDate not supplied

Transfusion-associated or nosocomial hepatitis G virus infection in patients undergoing surgery.

BACKGROUND: Despite blood donor screening, there are still cases of transfusion-associated hepatitis. From 1988 to 1992, a prospective study was conducted on the incidence of non-A, non-B posttransfusion hepatitis (PTH). STUDY DESIGN: The present investigation was designed to determine if transfusion recipients with PTH who are negative for hepatitis C virus (HCV) were positive for hepatitis G virus (HGV). Patients admitted for surgery who had normal liver tests and no transfusions during the previous 6 months were enrolled. Alanine amino transferase levels were determined monthly for 6 months after surgery and for 1 year in the case of PTH (defined as alanine aminotranferase twice the upper limit of normal in two consecutive assays). HGV RNA and E2 antibodies were tested for in samples from transfusion recipients with or without PTH and from nontransfused patients. RESULTS: Of the 308 blood recipients who were enrolled in the study, 21 (6.8%) had PTH. HGV RNA was detected at the onset of hepatitis in 3 patients with PTH (14%), 2 of whom were also anti-HCV and HCV RNA positive. One patient developed E2 antibodies without detectable HGV RNA. Three (10.7%) of 28 recipients of an allogeneic transfusion without PTH developed HGV infection. HGV RNA was also found in two nontransfused patients, which suggests nosocomial transmission of HGV. CONCLUSION: Some cases of PTH are associated with HGV; most cases of postoperative HGV infection are not associated with liver abnormalities; and most PTH cases are not associated with known hepatotropic viruses.

Adult↗