RHD*01W.98 - RHD*weak D type 98
(ISBT table: Weak D and Del v5.0)
This entry is an RHD allele.
RHD(T251P), RHD*751A>C, RHD*751C, RHD*751C (weak D type 98), weak D type 98,
Molecular data
Phenotype
Main D phenotype: weak D (last update: Nov. 17, 2019)Reports by D phenotype
Other RH phenotypes: RH:-2, -3,
Serology with monoclonal anti-D
Antigen Density (Ag/RBC)
More phenotype data
Rhesus Similarity Index
Haplotype
Main CcEe phenotype association: unknown (last update: Dec. 9, 2020)Alloimmunization
Antibodies in carriers
Antibody specificity: D (RH1)
Summary: no published cases (last update: Nov. 17, 2019)Detailed information
-
Pham BN et al. Immunohematology (2013)
- Ab specificity: D (RH1)
- Number (auto- or allo-): 0
- Number listed as allo-:
- Number listed as auto-:
- Number of carriers of the allele assessed: 1
- DAT: NA
- Autologuous control: NA
- Elution: NA
- Autoadsorption: NA
- Titer: NA
- Was anti-LW excluded?: NA
- Other antibodies detected: NA
- Cross matches (with Ab and RBCs from different partial types): NA
- Transfusion history: ND
- Pregnancy history:
- Anti-D Ig history: ND
- Context: NA
- Hemolytic consequences: NA
- Comment:
Antibodies in D negative recipients
Alloimmunization in recipients: expected to be possible, see phenotype data
Reports
Summary: rare descriptions, in the Japanese and European populations (last update: Dec. 22, 2019)Detailed reports
- 1/748 among 748 individuals with D anomaly (weak or discrepant D phenotype or anti-D in individuals with D positive phenotype), 459 had D variants "that could be named weak D" (including alleles RHef00313, RHef00317 and RHef00318, as well as RHef00197 and RHef00283), 138 had partial D, 65 had no variant, 86 were not persued further (two variant alleles or incomplete or pending analysis) in the French population
- 1/226 226 donors considered weak D phenotype, after ruling out partial D phenotypes by using 5 monoclonal anti-D Japanese
- 1 sample in the French population
- 1 sample? reported by a German lab (LN714468)
Allele or phenotype frequency
Structure mapping
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References
- International Society of Blood Transfusion et al. International Society of Blood Transfusion (ISBT) allele table Online ressource, 1935. — Online ressource — [RHeference]
- National Center for Biotechnology Information et al. Data from Genbank submission Online ressource, 1982. — Online ressource — [RHeference]
- Pham BN et al. Molecular analysis of patients with weak D and serologic analysis of those with anti-D (excluding type 1 and type 2). Immunohematology, 2013. [Citation] [RHeference]
- Isa K et al. Prevalence of RHD alleles in Japanese individuals with weak D phenotype: Identification of 20 new RHD alleles. Vox Sang, 2016. [Citation] [RHeference]
- Floch A et al. Molecular characterization of 13 new RHD alleles. Transfusion, 2017. [Citation] [RHeference]
- Floch A et al. Comment from Rheference Online ressource, 2020. — Online ressource — [RHeference]
Last update: Oct. 4, 2019