RHD*14.02 - RHD*DBT2
(ISBT table: RHD partial D v5.0)
This entry is an hybrid RHD allele.
Molecular data
Nucleotides:
667T>G; 697G>C; 712G>A; 733G>C; 744C>T; 787G>A; 800A>T; 916G>A; 932A>G; 941G>T; 968C>A; 974G>T; 979A>G; 985GG>CA deletion-insertion; 989A>C; 992A>T; 1025T>C; 1048G>C; 1053C>T; 1057GGA>TGG deletion-insertion; 1060GC>AA deletion-insertion; 1170T>C; 1193A>T;
Amino acids: F223V; E233Q; V238M; V245L; S248S; G263R; K267M; V306I; Y311C; G314V; P323H; S325I; I327V; G329H; Y330S; N331I; I342T; D350H; T351T; G353W; A354N; L390L; E398V;
Hybrid allele encompassing at least one RHCE exon:
RHD-RHCe(5-9)-RHD
Comments on the molecular basis:
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:-3, -4, -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 12, 2020)Alloimmunization
Antibodies in carriers
Antibody specificity: D (RH1)
Summary: probably allo-anti-D (last update: April 29, 2020)Detailed information
-
Westhoff CM et al. Transfusion (2007)
(Table 3)
- Ab specificity: D (RH1)
- Number (auto- or allo-): 1
- Number listed as allo-:
- Number listed as auto-:
- Number of carriers of the allele assessed: ND
- DAT: ND
- Autologuous control: ND
- Elution: ND
- Autoadsorption: ND
- Titer: ND
- Was anti-LW excluded?: ND
- Other antibodies detected: ND
- Cross matches (with Ab and RBCs from different partial types): ND
- Transfusion history: ND
- Pregnancy history:
- Anti-D Ig history: ND
- Context: ND
- Hemolytic consequences: none
- Comment:
Antibodies in D negative recipients
Alloimmunization in recipients: expected to be possible, see phenotype data
Reports
Summary: rare descriptions, in individuals of Eastern Asian descent, or compatible with such descent (last update: June 12, 2020)Detailed reports
- 3 related samples Japanese
- 1/21 21 samples referred for anti-D in a D positive individual in the USA population (Table 3)
- 1/163 selected variants included for the development of a genotyping assay mainly in the Dutch population (samples may have been included in other studies)
- 1/129 (hemizygous) donors with weak D phenotype Thai
Allele or phenotype frequency
Structure mapping
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References
- Huang CH et al. Evidence for a separate genetic origin of the partial D phenotype DBT in a Japanese family. Transfusion, 1999. [Citation] [RHeference]
- Omi T et al. Isolation, characterization, and family study of DTI, a novel partial D phenotype affecting the fourth external loop of D polypeptides. Transfusion, 2002. [Citation] [RHeference]
- Westhoff CM et al. A new hybrid RHCE gene (CeNR) is responsible for expression of a novel antigen. Transfusion, 2004. [Citation] [RHeference]
- Westhoff CM et al. Rh complexities: serology and DNA genotyping. Transfusion, 2007. [Citation] [RHeference]
- Schmid P et al. Specific amino acid substitutions cause distinct expression of JAL (RH48) and JAHK (RH53) antigens in RhCE and not in RhD. Transfusion, 2010. [Citation] [RHeference]
- Daniels G et al. Variants of RhD--current testing and clinical consequences. Br J Haematol, 2013. [Citation] [RHeference]
- Haer-Wigman L et al. RHD and RHCE variant and zygosity genotyping via multiplex ligation-dependent probe amplification. Transfusion, 2013. [Citation] [RHeference]
- Floch A et al. Comment from Rheference Online ressource, 2020. — Online ressource — [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]
Last update: June 20, 2020