RHD*01W.40 - RHD*weak D type 40
(ISBT table: Weak D and Del v5.0)
This entry is an RHD allele.
RHD(T201R), RHD*602C>G, RHD*602G, RHD*602G (weak D type 40), weak D type 40,
Molecular data
Phenotype
Main D phenotype: weak D (last update: Dec. 28, 2020)Reports by D phenotype
Other RH phenotypes: RH:-4,
- RH:-4 inferred from the reported RHCE phenotypes of the carriers
Serology with monoclonal anti-D
Antigen Density (Ag/RBC)
More phenotype data
Rhesus Similarity Index
Haplotype
Main CcEe phenotype association:Alloimmunization
Antibodies in carriers
Antibody specificity: D (RH1)
Summary: no published cases (last update: Dec. 28, 2020)Detailed information
Antibodies in D negative recipients
Alloimmunization in recipients: expected to be possible, see phenotype data
Reports
Summary: rare descriptions, in various populations (last update: Dec. 28, 2020)Detailed reports
- 1 or more among 829 samples African American (in the USA population)
- 1/226 226 donors considered weak D phenotype, after ruling out partial D phenotypes by using 5 monoclonal anti-D Japanese
- 1/246 samples with weak D phenotype reported by a German lab
- 1/353 samples referred for discrepant or weak D typing in the USA population
- 1 heterozygote 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
Movement | Mouse Input | Touch Input | ||
---|---|---|---|---|
Rotation | Primary Mouse Button | Single touch | ||
Translation | Middle Mouse Button or Ctrl+Primary | Triple touch | ||
Zoom | Scroll Wheel or Second Mouse Button or Shift+Primary | Pinch (double touch) | ||
Slab | Ctrl+Second | Not Available |
References
- International Society of Blood Transfusion et al. International Society of Blood Transfusion (ISBT) allele table Online ressource, 1935. — Online ressource — [RHeference]
- A. Doscher et al. Six new RHD alleles with previously unknown polymorphisms Transfus Med Hemother , 2003. — Abstract — [RHeference]
- Reid ME et al. Genomic analyses of RH alleles to improve transfusion therapy in patients with sickle cell disease. Blood Cells Mol Dis, 2014. [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]
- S Vege et al. RHD Genotyping of Discrepant or Weak D Samples: Over a Year’s Experience. Transfusion, 2017. — Abstract — [RHeference]
- Floch A et al. Comment from Rheference Online ressource, 2020. — Online ressource — [RHeference]
- Stef M et al. RH genotyping by nonspecific quantitative next-generation sequencing. Transfusion, 2020. [Citation] [RHeference]
- Vege S et al. Impact of RHD genotyping on transfusion practice in Denmark and the United States and identification of novel RHD alleles. Transfusion, 2021. [Citation] [RHeference]
Last update: Jan. 8, 2021