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  • Immunohematology

 

Review | 14-March-2020

The Cromer blood group system: a review

The antigens of the Cromer blood group system reside on decay-accelerating factor (DAF), a protein belonging to the regulators of complement activation family. The blood group system consists of 12 high-prevalence and three lowprevalence antigens. The molecular basis for the antigens is known, and with the exception of IFC, each antigen is the product of a single nucleotide change in the DAF gene and has been localized to one of the four complement control protein (CCP) domains on the DAF

Jill R. Storry, Marion E. Reid, Mark H. Yazer

Immunohematology, Volume 26 , ISSUE 3, 109–117

Review | 21-April-2020

Review: Cromer and DAF: role in health and disease

The antigens of the Cromer blood group system are located on the protein decay-accelerating factor (DAF). This system consists of ten high-prevalence and three low-prevalence antigens; the molecular basis for all of these antigens is a single nucleotide polymorphism in the DAF gene. DAF is a 70,000-Da plasma membrane protein that is widely distributed on all blood cells and on endothelial and epithelial tissues. The physiological role of DAF is to inhibit the complement cascade at the level of

Douglas M. Lublin

Immunohematology, Volume 21 , ISSUE 2, 39–47

Review | 14-October-2020

The Cromer blood group system: a review

The antigens of the Cromer blood group system reside on decay accelerating factor (DAF), a protein belonging to the regulators of complement activation family. The blood group system consists of eight high-incidence antigens and three low-incidence antigens. The molecular basis for the antigens is known and, with the exception of IFC, each antigen is the product of a single nucleotide polymorphism in the DAF gene and has been localized to one of the four short consensus repeat regions on the

Jill R. Storry, Marion E. Reid

Immunohematology, Volume 18 , ISSUE 4, 95–103

Article | 16-November-2020

A second example of anti-Esa, an antibody to a high-incidence Cromer antigen

A blood sample contained an antibody to a high-incidence antigen that reacted with all red blood cells (RBCs) tested by the indirect antiglobulin test (IAT). The antibody reacted with papain-, ficin-, and trypsin-treated RBCs, but not with α-chymotrypsin-treated RBCs. This pattern of reactivity suggested the possibility that the antibody was recognizing an antigen in the Cromer blood group system. Tests against RBCs deficient in decay-accelerating factor (which carries the Cromer antigens

Marion E. Reid, Roselyn Marfoe, Anita Mueller, Patricia A. Arndt, Laima Sausais, Peggy Spruell

Immunohematology, Volume 12 , ISSUE 3, 112–114

Article | 17-November-2020

Identification of the Tcb allele of the Cromer blood group gene by PCR and RFLP analysis

The Cromer blood group antigens reside on the complement regulatory protein, decay-accelerating factor (DAF). The Cromer system comprises 10 antigens, 3 of which are of low incidence. When an individual is homozygous for the allele encoding one of these low-incidence antigens, they are liable to produce an antibody to the anti-thetical high-frequency antigen if challenged by pregnancy or transfusion. These antibodies are often difficult to identify, because of the lack of readily available

Manisha Udani, Nicole Anderson, Neeraja Rao, Marilyn J. Telen

Immunohematology, Volume 11 , ISSUE 1, 1–4

Article | 20-December-2020

Cromer-related blood group antigens and the glycosyl phosphatidylinositol-linked protein, decay-accelerating factor DAF (CD55)

Cromer-related blood group antigens are located on the complement regulatory glycoprotein, decay-accelerating factor (DAF). DAF is not detectable on red cells from individuals with a Cromernull phenotype (termed Inab), which is probably an inherited condition. DAF is also absent from a subpopulation of red cells (PNH III) from patients with paroxysmal nocturnal hemoglobinuria (PNH), an acquired hematological defect. PNH III red cells, like Inab cells, lack all the Cromer-related antigens

Marion Reid

Immunohematology, Volume 6 , ISSUE 2, 27–29

Article | 21-April-2020

Analysis of SERF in Thai blood donors

The Cromer blood group system consists of nine high-prevalence and three low-prevalence antigens carried on decay-accelerating factor (DAF). We recently described one of these Cromer highprevalence antigens,SERF,the absence of which was found in a Thai woman.The lack of SERF antigen in this proband was associated with a substitution of nucleotide 647C>T in exon 5 of DAF, which is predicted to be a change of proline to leucine at amino acid position 182 in short consensus repeat (SCR) 3 of

Poonsub Palacajornsuk, Kim Hue-Roye, Oytip Nathalang, Srisurang Tantimavanich, Sasitorn Bejrachandra, Marion Reid

Immunohematology, Volume 21 , ISSUE 2, 66–69

Review | 16-October-2019

Clinical significance of antibodies to antigens in the Scianna, Dombrock, Colton, LandsteinerWeiner, Chido/Rodgers, H, Kx, Cromer, Gerbich, Knops, Indian, and Ok blood group systems

This article reviews information regarding the clinical significance of antibodies to antigens in the Scianna, Dombrock, Colton, Landsteiner-Wiener, Chido/Rodgers, H, Kx, Cromer, Gerbich, Knops, Indian, and Ok blood group systems. Like most blood group systems, antibodies to many of the antigens in these groups are rarely encountered because of the high prevalence of the associated antigens in most populations. For many, the clinical significance—that is, the potential to cause reduced

Sofia Lejon Crottet

Immunohematology, Volume 34 , ISSUE 3, 103–108

Article | 21-April-2020

Novel molecular basis of an Inab phenotype  

The Cromer blood group system consists of ten high-prevalence and three low-prevalence antigens carried on decay-accelerating factor (DAF). DAF is found in the cell membranes of RBCs, granulocytes,platelets,and lymphocytes and is widely represented in other body tissues. Sequence analyses of DNA were performed on a blood sample from a 91-year-old Japanese woman whose serum contained an alloantibody to a high-prevalence antigen in the Cromer blood group system (anti-IFC). A blood sample from her

Kim Hue-Roye, Vivien E. Powell, Gita Patel, Debra Lane, Mariska Maguire, Amy Chung, Marion E. Reid

Immunohematology, Volume 21 , ISSUE 2, 53–55

Article | 14-December-2020

Phosphatidylinositol-linked red blood cell membrane proteins and blood group antigens

the lack of expression of GPI-anchored proteins that is responsible for manifestations of the acquired hematologic disease paroxysmal nocturnal hemoglobinuria. Recently, several investigators have also demonstrated that a number of erythrocyte blood group antigens reside on this class of proteins. These antigens include those of the Cromer blood group, JMH, Holley/Gregory, Cartwright, and Dombrock. The biochemical basis for the Cromer, JMH, and Holley/Gregory antigens have so far been partly

Marilyn J. Telen

Immunohematology, Volume 7 , ISSUE 3, 65–72

Article | 28-April-2020

Persistent anti-Dra in two pregnancies

The Drori (Dra) antigen is one of the ten high-prevalence antigens of the Cromer blood system, which are carried on decayaccelerating factor (DAF, CD55). The Dr(a–) phenotype was first described in a 48-year-old Jewish woman from Bukhara. Her serum contained an antibody to a high-prevalence antigen named anti-Dra. Most known individuals with the Dr(a–) phenotype are Jews from the geographic area of Bukhara, but individuals from Japan have also been described. Antibodies in the

Naomi Rahimi-Levene, Abraham Kornberg, Gabriela Siegel, Valery Morozov, Eilat Shinar, Orna Asher, Cyril Levene, Vered Yahalom

Immunohematology, Volume 21 , ISSUE 3, 126–128

Article | 16-October-2019

Dithiothreitol treatment of red blood cells

C.B. Bub

Immunohematology, Volume 33 , ISSUE 4, 170–172

Case report | 17-November-2020

Case report: anti-Cra in pregnancy

A 39-year-oId Grenadian multiparous patient presented in the 12th week ofpregnancy. Her red cells were found to have the rare Cr(a-) (ISBT Number 202001) phenotype within the Cromer complex, and her serum contained anti-Cra. To date, anti-Cra has not been implicated in hemolytic disease of the newborn (HDN), but there are very few published reports on this topic. This case provided an excellent opportunity for study. The patient’s serum showed no detectable functional activity in in vitro

Anne C. Dickson, Claire Guest, Mary Jordon, Jackie Banks, Belinda Kumpel

Immunohematology, Volume 11 , ISSUE 1, 14–17

Article | 16-November-2020

Effect of pronase on highincidence blood group antigens and the prevalence of antibodies to pronase-treated erythrocytes

Cromer and Lutheran blood group systems and the JMH antigen were sensitive to pronase treatment of RBCs. Antigens in the Dombrock blood group system and Sc1 were either sensitive to or markedly weakened by pronase treatment of RBCs. The following high-incidence antigens were resistant to treatment of RBCs with pronase: AnWj, Ata, Coa, Co3, Dib, EnaFR, Era, Fy3, Jk3, Jra, k, Kpb, Jsb, K14, Lan, Oka, Rh17, U, Vel, and Wrb. Over half of the serum samples from normal blood donors contained antibodies to

Marion E. Reid, Carole A. Green, Jack Hoffer, Ragnhild Øyen

Immunohematology, Volume 12 , ISSUE 4, 139–142

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