RHD*01W.45 - RHD*weak D type 45
(ISBT table: Weak D and Del v5.0)
This entry is an RHD allele.
RHD(A399T), RHD*1195A, RHD*1195A (weak D type 45), RHD*1195G>A, weak D type 45,
Molecular data
Phenotype
Main D phenotype: variable/discrepant (last update: Dec. 28, 2020)Reports by D phenotype
Other RH phenotypes: RH:-2, -3, -5,
Serology with monoclonal anti-D
Antigen Density (Ag/RBC)
More phenotype data
Rhesus Similarity Index
Haplotype
Main CcEe phenotype association: ce (last update: Jan. 8, 2021)ce | Ce | cE | CE | |
---|---|---|---|---|
ce | 0 | 1 | 1 | 0 |
Ce | 0 | 0 | 0 | |
cE | 1 | 0 | ||
CE | 0 |
Reports by CcEe phenotype
Reports by allele association
Alloimmunization
Antibodies in carriers
Antibody specificity: D (RH1)
Summary: allo-anti-D (last update: Dec. 28, 2020)Detailed information
-
St-Louis M et al. Immunohematology (2011)
- Ab specificity: D (RH1)
- Number (auto- or allo-):
- Number listed as allo-: 1
- Number listed as auto-:
- Number of carriers of the allele assessed: 1
- DAT:
- Autologuous control:
- Elution:
- Autoadsorption: auto-adsorptions were performed, results not detailed
- Titer:
- Was anti-LW excluded?:
- Other antibodies detected: anti-G was not ruled out
- Cross matches (with Ab and RBCs from different partial types):
- Transfusion history: exposed through transfusion
- Pregnancy history:
- Anti-D Ig history:
- Context:
- Hemolytic consequences:
- Comment:
Antibodies in D negative recipients
Alloimmunization in recipients: expected to be possible, see phenotype data
Reports
Summary: few descriptions, possible Central European descent (last update: Dec. 28, 2020)Detailed reports
- 1/191 (1 donor and 0 patients) among 191 samples with weak D expression or unclear D phenotype within 44,743 donors and 8,604 patients tested in the Austrian population, Upper Austria
- 1/25 donors with "weak D or questionnable D status" explored by NGS to compare with Sanger sequencing in the Austrian population, Upper Austria
- 1/26 among 26 French Canadian with weak D phenotype or D positive phenotype and anti-D Caucasian, French Canadian
- 1/104 (prevalence among weak D phenotype) or 1/21353 (phenotypic prevalence in population) 104 with weak D phenotype were genotyped in a cohort of 21353 pregnant women admixed Brazilian
- 1/405 donors with D negative phenotype, C and/or E positive, with RHD gene present Brazilian
- 1 sample? reported by Austrian and German labs (AJ867388)
- 1/353 samples referred for discrepant or weak D typing in the USA population
- 1 hemizygote 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
- 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]
- Polin H et al. Effective molecular RHD typing strategy for blood donations. Transfusion, 2007. [Citation] [RHeference]
- Stabentheiner S et al. Overcoming methodical limits of standard RHD genotyping by next-generation sequencing. Vox Sang, 2011. [Citation] [RHeference]
- St-Louis M et al. Weak D type 42 cases found in individuals of European descent. Immunohematology, 2011. [Citation] [RHeference]
- Gassner C et al. Novel RHD alleles with weak hemagglutination and genetic Exon 9 diversity: weak D Types 45.1, 75, and 76. Transfusion, 2013. [Citation] [RHeference]
- S Vege et al. RHD Genotyping of Discrepant or Weak D Samples: Over a Year’s Experience. Transfusion, 2017. — Abstract — [RHeference]
- Dezan MR et al. RHD and RHCE genotyping by next-generation sequencing is an effective strategy to identify molecular variants within sickle cell disease patients. Blood Cells Mol Dis, 2017. [Citation] [RHeference]
- Dezan MR et al. Evaluation of the applicability and effectiveness of a molecular strategy for identifying weak D and DEL phenotype among D- blood donors of mixed origin exhibiting high frequency of RHD*Ψ. Transfusion, 2018. [Citation] [RHeference]
- Bub CB et al. RHD alleles among pregnant women with serologic discrepant weak D phenotypes from a multiethnic population and risk of alloimmunization. J Clin Lab Anal, 2018. [Citation] [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