partly characterized RHD*05 (DV) (partly characterized or subtypes not separated)
(ISBT table: not listed)
This entry is partly characterized.
DV - partly characterized or subtypes not separated,
Molecular data
Nucleotides:
Amino acids:
Hybrid allele encompassing at least one RHCE exon:
NA
Comments on the molecular basis:
- allele described as DVa, authors were contacted but unfortunately did not have data for more precise identification
- subtypes not separated
- PCR pattern, exons 3, 4, 5, 6, 7 and 9, most likely RHef00095
- PCR pattern
- Data S1, typing method not clear
Extracellular position of one or more amino acid substitutions:
Splicing:
Unconventional prediction methods:
Phenotype
Main D phenotype: weak D (last update: June 16, 2020)Reports by D phenotype
Other RH phenotypes: RH:-23, -32, -56,
Serology with monoclonal anti-D
Antigen Density (Ag/RBC)
More phenotype data
Rhesus Similarity Index
Haplotype
Main CcEe phenotype association: Ce (last update: June 16, 2020)Alloimmunization
Antibodies in carriers
Antibody specificity: D (RH1)
Summary: not relevant, see types or alleles (last update: Aug. 25, 2020)Detailed information
-
Lukacevic Krstic J et al. Transfus Med Hemother (2016)
(allele described as DVa, authors were contacted but unfortunately did not have data for more precise identification)
- Ab specificity: D (RH1)
- Number (auto- or allo-): 2
- Number listed as allo-:
- Number listed as auto-:
- Number of carriers of the allele assessed:
- DAT:
- Autologuous control:
- Elution:
- Autoadsorption:
- Titer:
- Was anti-LW excluded?:
- Other antibodies detected:
- Cross matches (with Ab and RBCs from different partial types):
- Transfusion history:
- Pregnancy history:
- Anti-D Ig history:
- Context:
- Hemolytic consequences: HDN: 2 newborns had positive DAT
- Comment:
-
Denomme GA et al. Transfusion (2005)
- Ab specificity: D (RH1)
- Number (auto- or allo-): 0
- Number listed as allo-:
- Number listed as auto-:
- Number of carriers of the allele assessed:
- DAT:
- Autologuous control:
- Elution:
- Autoadsorption:
- Titer:
- Was anti-LW excluded?:
- Other antibodies detected:
- Cross matches (with Ab and RBCs from different partial types):
- Transfusion history:
- Pregnancy history:
- Anti-D Ig history:
- Context:
- Hemolytic consequences:
- Comment: lists exposures to standard D antigen and patient blood management for several carriers
-
Daniels G et al. Br J Haematol (2013)
(review; Table I)
- Ab specificity: D (RH1)
- Number (auto- or allo-):
- Number listed as allo-: no new case detailed (listed as allo-anti-D)
- Number listed as auto-: NA
- Number of carriers of the allele assessed: NA
- 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: NA
- Pregnancy history:
- Anti-D Ig history: NA
- Context: NA
- Hemolytic consequences: NA
- Comment: list of D variants associated with alloanti-D formation
Antibodies in D negative recipients
Alloimmunization in recipients: expected to be possible, see phenotype data
Reports
Summary: NA, NA (last update: Aug. 25, 2020)Detailed reports
- 1 sample in the German or Austrian population
- 1/156 donors with D negative phenotype Taiwanese
- 4/55 (3 listed as Dva(Kou.), 1 listed as DVa-like) 55 discrepant or weak D phenotypes among 33864 multiethnic patients (of African, Asian, Indoasian and European extraction) in the Canadian (Toronto) population
- 6/60 samples with ambiguous D phenotype, including those from the population study of the same study Indian (West India)
- 2/10000 screening of D positive individuals Indian (West India)
- 7/430 among samples with ambigous D phenotype in the French population (Table S1)
- 1/627 weak D typing (95% from patients, 5% from donors; 21,2% were identified as RHef00442 or RHef00446 by authors, "mostly (…) inconclusive serology consequent to recent transfusion") in the Belgian (Flanders) population
Allele or phenotype frequency
Structure mapping
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References
- Legler TJ et al. RHD genotyping in weak D phenotypes by multiple polymerase chain reactions. Transfusion, 1998. [Citation] [RHeference]
- Maaskant-van Wijk PA et al. Genotyping of RHD by multiplex polymerase chain reaction analysis of six RHD-specific exons. Transfusion, 1998. [Citation] [RHeference]
- Lee YL et al. Analysis of RHD genes in Taiwanese RhD-negative donors by the multiplex PCR method. J Clin Lab Anal, 2003. [Citation] [RHeference]
- Westhoff CM et al. A new hybrid RHCE gene (CeNR) is responsible for expression of a novel antigen. Transfusion, 2004. [Citation] [RHeference]
- Denomme GA et al. Partial D, weak D types, and novel RHD alleles among 33,864 multiethnic patients: implications for anti-D alloimmunization and prevention. Transfusion, 2005. [Citation] [RHeference]
- Kulkarni S et al. Frequency of partial D in Western India. Transfus Med, 2008. [Citation] [RHeference]
- Fichou Y et al. Establishment of a medium-throughput approach for the genotyping of RHD variants and report of nine novel rare alleles. Transfusion, 2013. [Citation] [RHeference]
- Daniels G et al. Variants of RhD--current testing and clinical consequences. Br J Haematol, 2013. [Citation] [RHeference]
- Van Sandt VS et al. RHD variants in Flanders, Belgium. Transfusion, 2015. [Citation] [RHeference]
- Lukacevic Krstic J et al. Anti-D Antibodies in Pregnant D Variant Antigen Carriers Initially Typed as RhD. Transfus Med Hemother, 2016. [Citation] [RHeference]
- Zacarias JM et al. Frequency of RHD variants in Brazilian blood donors from Parana State, Southern Brazil. Transfus Apher Sci, 2016. [Citation] [RHeference]
- Takeuchi-Baba C et al. Production of RBC autoantibody mimicking anti-D specificity following transfusion in a patient with weak D Type 15. Transfusion, 2019. [Citation] [RHeference]
Last update: June 16, 2020