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Rhmod phenotype: a parentage problem solved by denaturing gradient gel electrophoresis of genomic DNA Cover

Rhmod phenotype: a parentage problem solved by denaturing gradient gel electrophoresis of genomic DNA

Paid access
|Nov 2020

Abstract

Initial Rh phenotyping of a man with hemolytic anemia, his wife, and son appeared to exclude paternity. No exclusion was found in other blood groups or in the human leukocyte antigen (HLA) system; excluding Rh, the paternity index was 98.58 percent. Samples from these three family members, and two other family members, were tested with additional Rh antisera. The results indicated that the propositus has an Rhmod phenotype with expression of c, weak e, and very weak D, E, and G antigens. To support this hypothesis, DNA analysis of the RHD and RHCE genes was performed on the five family members. Polymerase chain reaction (PCR) products from exons 2 and 5 were analyzed by denaturing gradient gel electrophoresis (DGGE). The DNA results corroborated the serologic findings and refuted the exclusion of paternity.

DOI: https://doi.org/10.21307/immunohematology-2019-770 | Journal eISSN: 1930-3955 | Journal ISSN: 0894-203X
Language: English
Page range: 154 - 159
Published on: Nov 16, 2020
Published by: American National Red Cross
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2020 F.J. Steers, M. Wallace, M. Mora, B. Carritt, P. Tippett, G.L. Daniels, published by American National Red Cross
This work is licensed under the Creative Commons License.