Abstract:
:1. Recent developments in technologies permit systematic screening of the entire human genome as a strategy for identification of susceptibility genes of small effect that influence risk to complex traits, like schizophrenia (Schz), inflammatory bowel disease, bipolar affective disorder (BPAD) etc. 2. Schizophrenia is known to have a high heritability and a complex inheritance pattern. Several studies provide evidence that both genes and environment play a role in the etiology of schizophrenia. Linkage studies have observed racial and sex bias in the genetic constitution of schizophrenia. Schizophrenia also manifests clinical anticipation and genomic imprinting. 3. "Dynamic mutations" or "tandem repeat expansions" in DNA, explain a number of observations associated with clinical anticipation and genomic imprinting. In patient populations, the repeat expands well beyond the normal range, altering the biological function of the gene. These sequence are unstable and increase in size between family members in successive generations, giving rise to greater severity of disease. 4. Several workers have reported an association of trinucleotide repeat length with adult- and child-onset schizophrenia. One such expanded allele has been found at the CTG18.1 locus on the 18th chromosome. Other genes known to have similar mutation are SEF2-1, which codes for a helix-loop-helix protein, hSKCa3 gene, which codes for a calcium-activated potassium channel and the transthyretin gene. In schizophrenic patients, significant difference in allele frequency distribution of these genes has been reported. 5. Population based genetic research would not only help identify different subgroups of this of schizophrenia.
journal_name
Prog Neuropsychopharmacol Biol Psychiatryauthors
Vaswani M,Kapur Sdoi
10.1016/s0278-5846(01)00186-5subject
Has Abstractpub_date
2001-08-01 00:00:00pages
1187-201issue
6eissn
0278-5846issn
1878-4216pii
S0278-5846(01)00186-5journal_volume
25pub_type
杂志文章,评审abstract::Schizophrenic patients generally appear to have a disturbed single-carbon metabolism. Methionine and homocysteine are intermediary metabolites in this metabolic system. In a case-control study of the cerebrospinal fluid, a majority of the patients had elevated methionine and a smaller subgroup had elevated homocystein...
journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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doi:10.1016/j.pnpbp.2019.109762
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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pub_type: 杂志文章,评审
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更新日期:2021-03-02 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 临床试验,杂志文章
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更新日期:1997-11-01 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章,评审
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更新日期:1987-01-01 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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更新日期:2018-01-03 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
doi:10.1016/0278-5846(91)90071-8
更新日期:1991-01-01 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
doi:10.1016/0278-5846(89)90017-1
更新日期:1989-01-01 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 临床试验,杂志文章
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更新日期:1982-01-01 00:00:00
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2016-02-04 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
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更新日期:1993-05-01 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
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更新日期:2014-07-03 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1996-08-01 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章,随机对照试验
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更新日期:2019-03-08 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章,评审
doi:
更新日期:1984-01-01 00:00:00
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更新日期:2019-08-30 00:00:00
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journal_title:Progress in neuro-psychopharmacology & biological psychiatry
pub_type: 杂志文章
doi:10.1016/j.pnpbp.2010.11.018
更新日期:2011-01-15 00:00:00