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Articles by S. H Li
Total Records ( 2 ) for S. H Li
  X Lu , J. A Shapiro , C. T Ting , Y Li , C Li , J Xu , H Huang , Y. J Cheng , A. J Greenberg , S. H Li , M. L Wu , Y Shen and C. I. Wu
 

Postmating reproductive isolation is often manifested as hybrid male sterility, for which X-linked genes are overrepresented (the so-called large X effect). In contrast, X-linked genes are significantly under-represented among testis-expressing genes. This seeming contradiction may be germane to the X:autosome imbalance hypothesis on hybrid sterility, in which the X-linked effect is mediated mainly through the misexpression of autosomal genes. In this study, we compared gene expression in fertile and sterile males in the hybrids between two Drosophila species. These hybrid males differ only in a small region of the X chromosome containing the Ods-site homeobox (OdsH) (also known as Odysseus) locus of hybrid sterility. Of genes expressed in the testis, autosomal genes were, indeed, more likely to be misexpressed than X-linked genes under the sterilizing action of OdsH. Since this mechanism of X:autosome interaction is only associated with spermatogenesis, a connection between X:autosome imbalance and the high rate of hybrid male sterility seems plausible.

  R. N Greenley , K. A Hommel , J Nebel , T Raboin , S. H Li , P Simpson and L. Mackner
 

Objective To conduct a meta-analytic review of psychosocial adjustment of youth with inflammatory bowel disease (IBD). Methods Nineteen studies with a total of 1167 youth with IBD (M age = 14.33, 50% female) were included. Effect size (ES) estimates were calculated for anxiety symptoms & disorders, depressive symptoms & disorders, internalizing symptoms & disorders, externalizing symptoms, quality of life (QOL), social functioning, and self-esteem. Separate ESs were calculated for comparisons between IBD and youth with chronic illnesses versus healthy youth. Results Youth with IBD had higher rates of depressive disorders and internalizing disorders than youth with other chronic conditions. Youth with IBD had higher parent-reported internalizing symptoms, lower parent- and youth-reported QOL, and lower youth-reported social functioning compared to healthy youth. Conclusions Clinical attention to depressive disorders, QOL, and social functioning may be particularly salient in the context of pediatric IBD.

 
 
 
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