1982
DOI: 10.1007/bf00200725
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Alpha1-antitrypsin: Evidence for a fourth PiM allele. Distribution of the PiM subtypes in Southern Germany

Abstract: Subtypes of the protease inhibitor (Pi) alpha 1-antitrypsin were determined in sera from 752 unrelated individuals from Southern Germany. By isoelectric focusing nine common PiM subtypes were distinguished and several rare Pi variants were observed. Family studies confirm the existence of a fourth PiM suballele. The frequency of PiM4 was found to be 0.018. A survey of the distribution of Pi alleles is given; the application of Pi subtyping in cases of disputed paternity is discussed.

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Cited by 32 publications
(8 citation statements)
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“…Polymorphic frequencies were seen for PPM 1, M2, M3, S, and Z; whereas PI*F, I and P were observed at frequencies of <0.01. The variant PI M4 recently ident ified by Weidinger et al [10] was not ob served, but since it focuses very close to PI M2 it might be possible that our technique could not separate this low frequency var iant. Our white population is primarily of German and Scandinavian heritage.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Polymorphic frequencies were seen for PPM 1, M2, M3, S, and Z; whereas PI*F, I and P were observed at frequencies of <0.01. The variant PI M4 recently ident ified by Weidinger et al [10] was not ob served, but since it focuses very close to PI M2 it might be possible that our technique could not separate this low frequency var iant. Our white population is primarily of German and Scandinavian heritage.…”
Section: Resultsmentioning
confidence: 99%
“…The report by Allen et al [1] in 1974 that PI could be phenotyped by isoelectric focusing (IEF) has resulted in identification of over 50 different genetic variants at the PI locus by different inves tigators. The use of IEF also increased the number of common variants, particularly in the case of the original PI*M, which now can be subtyped as PUM1, PUM2, PUM3, and PUM 4 [2,[4][5][6]9,10].…”
mentioning
confidence: 99%
“…Selected studies were distributed as follows: one each from Austria [13], Belgium [14], Latvia [18], Hungary [34], SerbiaMontenegro [62], Sweden [67] and Switzerland [68]; two each from Denmark [15,16], Estonia [17,18] and Lithuania [18,41]; three each from Portugal [53][54][55][56] and the UK [69][70][71]; four each from Finland [19][20][21][22], the Netherlands [42][43][44], Norway [45][46][47] and Spain [62][63][64][65][66]; five each from Russia [57][58][59][60][61] and Germany [29][30][31][32][33]; six from Poland [48][49][50][51]…”
Section: Resultsmentioning
confidence: 99%
“…GC [34]; Germany (south): HP [35], AHSG [36], PLG [14]. PI [37], GC [38]; Spain: HP [39], AHSG [40]. PLG [25], PI and GC [41].…”
Section: Resultsmentioning
confidence: 99%