Three Cases of Weak B in an Indian Family

Vyas, G.N.; Bhatia, H.M.; Sanghvi, L.D.

doi:10.1159/000478598

Cited by 3 publications

(5 citation statements)

References 10 publications

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“…The weak serological reactions of the B antigen in the two children reported here are comparable to the three weak B cases described earlier in another Indian family (Vyas, Bhatia and Sanghvi, 1960 (1964). The Indian cases, however, differ from the other two in secretion of B substance in saliva.…”

Section: Discussionsupporting

confidence: 89%

“…The families in this category described by MOULLEC, SUTTON and BUR-GADA (1955) as well as SUSSMAN, PRETSHOLD and LACHER (1960) gave no evidence of the B substance in their cases. The family described earlier from our laboratory, however, gave definite evidence of the presence of weak B substance in saliva (VYAS, BHATIA and SANGHVI, 1960). We have now come across one more family with two cases of this type.…”

mentioning

confidence: 58%

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Second Indian Family of Weak B (B(3))

Bhatia¹,

Undevia²,

Sanghvi³

1965

Vox Sanguinis

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Section: Discussionsupporting

confidence: 89%

mentioning

confidence: 58%

Second Indian Family of Weak B (B(3))

Bhatia¹,

Undevia²,

Sanghvi³

1965

Vox Sanguinis

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“…No study giving the incidence of weak B variants is available in the literature. Though such variants have been reported from our laboratory in the past [3,16], bloods giving somewhat weaker reactions were also observed by Boyd and Boyd [4] in Pakistan Muslims. The present study makes an attempt to determine an incidence of rare ABO variants amongst large Indian populations in Bombay.…”

Section: Contentssupporting

confidence: 70%

“…Bhatia and Sanghvi [2] had earlier reported a rough estimate of this rare blood group as 1:13,000 in Bombay population. Weak A and B variants have also been reported from Bombay [3,12,16] and have been regularly encountered by our laboratory from the samples referred from different blood banks for their problems in cell and serum grouping. This paper attempts to give an estimate of the incidence of these rare blood groups in populations sampled at two major blood banks in Bombay, where the methods of grouping and cross-matching have been identical, and all samples giving conflicting cell and serum grouping were investigated by our laboratory.…”

mentioning

confidence: 72%

Incidence of ‘Bombay’ (Oh) Phenotype and Weaker Variants of A and B Antigen in Bombay (India)

Bhatia¹,

Sathe²

1974

Vox Sanguinis

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Incidence of Oh and weaker A and B variants was studied in 167,404 Indians in Bombay. Eight out of 17 cases of A variants were due to weak A(2), the majority being among AB individuals. Incidence of all weak A is 1:3,300 among persons possessing the A antigen. The actual incidence of A variants deducting weak A(2) is approximately 1:6,000 persons having the A antigen. Weak B is observed in 1:9,300 persons possessing the B antigen. A(x)-B(x) variants were twice as common as A(m)B(m) types. The O(h) phenotype is observed in 1:7,600 random persons. The regional and caste distribution of O(h) individuals showed that 14 out of 22 of the Oh individuals in the present survey and 33 out of 58 among all Oh cases investigated belonged to south-west districts of Maharashtra.

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“…When comparing our results with variants reported so far in the literature, we can conclude that the group determined in our tests differs from the B groups described by Boyd et al [2], the B2 group described by Jakobowicz et al [6] or by Vyas et al [11] as well as from the B3 group described by Moullec et al [9], Sussman et al…”

Section: Examination Of the Patient's Serum The Antiglobulin Inhibitsupporting

confidence: 70%