James R Harraway

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BACKGROUND Preimplantation genetic diagnosis (PGD) is an appealing option for couples at risk of having a child with hemophilia A (HA). Although many clinics offer PGD for HA by gender selection, an approach that detects the presence of the underlying F8 mutation has several advantages. OBJECTIVES To develop and validate analysis protocols combining(More)
References 1. Parving HH, Oxenboll B, Svendsen PA, Christiansen JS, Andersen AR. Early detection of patients at risk of developing diabetic nephropathy: a longitudinal study of urinary albumin excretion. Acta Endocrinol (Copenh) 1982; 100:550–5. 2. Viberti GC, Hill RD, Jarrett RJ, Argyropoulos A, Mahmud U, Keen H. Microalbuminuria as a predictor of clinical(More)
The porphyrias are a group of inborn or acquired disorders of haem synthesis that can result in neurovisceral or dermatological symptoms. Diagnosis is usually made using a combination of clinical presentation and biochemical parameters. This case report describes a 25-year-old woman clinically presenting with a rash and then found to have elevated(More)
BACKGROUND Hemophilia A is a severe bleeding disorder caused by almost 1000 different known mutations in the F8C gene. Direct mutation analysis is sometimes difficult for this disorder. When a mutation cannot be found, linkage analysis can be used for prenatal and carrier diagnosis. AIM To develop a rapid and effective system for carrier detection and(More)
BACKGROUND Azathioprine and 6-mercaptopurine (6-MP) are well established for the treatment of inflammatory bowel disease (IBD). Assessing thiopurine methyltransferase (TPMT) status has been recommended to reduce the risk of serious toxicity. Measuring red blood cell (RBC) 6-thioguanine nucleotide (6-TGN) concentrations has been recommended for dose(More)
AIM To establish an assay service for thiopurine methyl transferase (TPMT) activity in order to facilitate dose initiation of thiopurine drug therapy and to define appropriate reference intervals and optimal cut-offs for the New Zealand population. METHODS 407 patients underwent radio-enzymatic assay testing of TPMT activity prior to initiation of(More)
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