OBJECTIVE While routine administration of rhesus (Rh) immunoglobulin has significantly reduced the incidence of Rh alloimmunization, maternal alloimmunization to other red cell antigens remains a contributor to perinatal morbidity and mortality. Although the Kell antigen is seen on the red cells of only 9% of the general population, attention to Kell antibodies continues to increase. CASE REP...

Fifty years ago a paper was published in theJournal ofthe American Medical Association entitled "An unusual case of intra-group agglutination" by Philip Levine and Rufus Stetson. The title was unlikely to interest the casual reader, and yet it was a historic paper. Professor J J van Loghem called it "a milestone in the history of medical science" when it was reprinted in Vox sanguinis in 1980. ...

SIRy-Mr. W. L. Whitehouse (21 June, p. 759), like myself' and many others, again calls attention to the potential dangers of rhesus isoimmunization in therapeutic abortion. He asks that the extent of this problem be further and scientifically investigated. There are, in fact, one or two further facets to be considered. Firstly, all of us are aware of the numbers of women whose first continuing ...

We have shown previously that the Rhesus (Rh) polypeptides are the commonest targets for pathogenic anti-red blood cell (RBC) autoantibodies in patients with autoimmune hemolytic anemia (AIHA). The aim of the current work was to determine whether activated T cells from such patients also mount recall responses to epitopes on these proteins. Two panels of overlapping 15-mer peptides, correspondi...

Models of branchial transport in teleosts have been reshaped by the recent discovery of Rhesus (Rh) glycoproteins, a family of proteins that facilitate the movement of NH(3) across cell membranes. This study examines the effects of crowding and feeding on ammonia excretion in gulf toadfish (Opsanus beta) within the context of Rh glycoproteins and the ammonia-fixing enzyme, glutamine synthetase ...

OBJECTIVE The aim of the study was to determine blood groups and Rhesus factor from dentin and pulp using absorption-elution (AE) technique in different time periods at 0, 3, 6, 9 and 12 months, respectively. MATERIALS AND METHODS A total of 150 cases, 30 patients each at 0, 3, 6, 9 and 12 months were included in the study. The samples consisted of males and females with age ranging 13-60 yea...

The proteins of the ammonium transporter/methylammonium permease/Rhesus factor family (AMT/MEP/Rh family) are responsible for the movement of ammonia or ammonium ions across the cell membrane. Although it has been established that the Rh proteins are distantly related to the other members of the family, the evolutionary history of the AMT/MEP/Rh family remains unclear. Here, we use phylogenetic...

In this study we characterized ammonia and ammonium (NH3/NH4(+)) transport by the rhesus-associated (Rh) glycoproteins RhAG, Rhbg, and Rhcg expressed in Xenopus oocytes. We used ion-selective microelectrodes and two-electrode voltage clamp to measure changes in intracellular pH, surface pH, and whole cell currents induced by NH3/NH4(+) and methyl amine/ammonium (MA/MA(+)). These measurements al...