RHD*01W.150 (expected) - RHD*weak D type 150 (expected)
(ISBT table: not listed)
This entry is an RHD allele.
RHD*327_487-4163dup, RHD*327_487-4163dup (weak D type 150), RHD*Ex3dup, weak D type 150,
Molecular data
Nucleotides:
Amino acids:
Hybrid allele encompassing at least one RHCE exon:
dup(Ex3)
Comments on the molecular basis:
- mRNA analysis; breakpoints identified, showing a single mutational event, duplication is approximately 12kb, ranging from Exon 2 to Intron 3, and is insterted within Intron 3
Extracellular position of one or more amino acid substitutions:
Splicing:
Unconventional prediction methods:
Phenotype
Main D phenotype: weak D (last update: June 12, 2020)Reports by D phenotype
Other RH phenotypes: RH:-2, -3, -4,
Serology with monoclonal anti-D
Antigen Density (Ag/RBC)
More phenotype data
Rhesus Similarity Index
Haplotype
Main CcEe phenotype association: Ce is the most frequent association, ce is less frequent (last update: Jan. 8, 2021)ce | Ce | cE | CE | |
---|---|---|---|---|
ce | 4 | 128 | 2 | 0 |
Ce | 4 | 0 | 0 | |
cE | 0 | 0 | ||
CE | 0 |
Reports by CcEe phenotype
Main allele association: RHCE*02?Reports by allele association
Alloimmunization
Antibodies in carriers
Antibody specificity: D (RH1)
Summary: no published cases (last update: Nov. 17, 2019)Detailed information
Antibodies in D negative recipients
Alloimmunization in recipients: expected to be possible, see phenotype data
Reports
Summary: common allele, in Indians and Thai (last update: June 12, 2020)Detailed reports
- 130/223 donors with D negative phenotype initially, found to have D antigen expression (67 of the 223 samples of the cohort) or samples referred with discrepant or weak D typing, or discrepancies with previous typings, or anti-D in D positive individuals (156 of the 223 samples of the cohort) in the Indian population
- 8/129 (6 hemizygous, 2 heterozygous with RHef00122) donors with weak D phenotype Thai
- 2 hemizygotes (1 listed as RHD*01W.150, 1 as Duplication RHD exon 3) among 278 samples selected for the development of nonspecific quantitative next-generation sequencing. (non-random samples, may have been reported in other studies)
Allele or phenotype frequency
Structure mapping
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References
- Wagner FF and Flegel WA et al. The Human RhesusBase Online ressource, 2011. — Online ressource — [RHeference]
- Fichou Y et al. Molecular basis of weak D expression in the Indian population and report of a novel, predominant variant RHD allele. Transfusion, 2018. [Citation] [RHeference]
- Thongbut J et al. Comprehensive Molecular Analysis of Serologically D-Negative and Weak/Partial D Phenotype in Thai Blood Donors. Transfus Med Hemother, 2020. [Citation] [RHeference]
- Stef M et al. RH genotyping by nonspecific quantitative next-generation sequencing. Transfusion, 2020. [Citation] [RHeference]
- Floch A et al. Comment from Rheference Online ressource, 2020. — Online ressource — [RHeference]
Last update: Jan. 8, 2021