Transmission disequilibrium and haplotype analyses of the G72/G30 locus: Suggestive linkage to schizophrenia in Palestinian Arabs living in the North of Israel
Bibliographic record
Abstract
Association of the G72/G30 locus with schizophrenia was recently reported in French Canadian, Russian, and Ashkenazi populations using case-control studies. In the present study we hypothesize the existence of a G72/G30 risk allele over-transmitted to affected sibs in Palestinian Arab families. A total of 223 Palestinian Arab families that included an affected offspring and parents were genotyped with 11 SNPs encompassing the G72/G30 genes. The families were recruited from three regions of Israel: 56 from the North (Afula), 136 from the central hill region (Bethlehem, Palestinian Authority), and 31 from the South (Beersheva). Individual SNP analyses disclosed a risk allele in SNP rs3916970 by both haplotype relative risk (HRR: chi(2) = 5.59, P = 0.018) and transmission disequilibrium test (TDT: chi(2) = 6.03, P = 0.014) in the Afula families. Follow-up multilocus analysis using family-based association tests (FBAT: z = 2.197, P = 0.028) exposed the adjacent haplotype. SNP rs3916970 is located about 8 kb from the linkage disequilibrium block that was reported to be associated with schizophrenia in Ashkenazi Jews. Excess of similar haplotypes of this region was observed in the Palestinian Arabs and the Ashkenazi patients. These data suggest a common risk factor for schizophrenia susceptibility in the G72/G30 locus among Ashkenazi Jews and Palestinian Arabs. The results strengthen previous reports on the role of this locus in the etiology of schizophrenia.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".