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4 results on '"Raza, Yasrab"'

1. Adipose tissue eQTL meta-analysis reveals the contribution of allelic heterogeneity to gene expression regulation and cardiometabolic traits

Author

Brotman, Sarah M., primary, El-Sayed Moustafa, Julia S., additional, Guan, Li, additional, Broadaway, K. Alaine, additional, Wang, Dongmeng, additional, Jackson, Anne U., additional, Welch, Ryan, additional, Currin, Kevin W., additional, Tomlinson, Max, additional, Vadlamudi, Swarooparani, additional, Stringham, Heather M., additional, Roberts, Amy L., additional, Lakka, Timo A., additional, Oravilahti, Anniina, additional, Fernandes Silva, Lilian, additional, Narisu, Narisu, additional, Erdos, Michael R., additional, Yan, Tingfen, additional, Bonnycastle, Lori L., additional, Raulerson, Chelsea K., additional, Raza, Yasrab, additional, Yan, Xinyu, additional, Parker, Stephen C.J., additional, Kuusisto, Johanna, additional, Pajukanta, Paivi, additional, Tuomilehto, Jaakko, additional, Collins, Francis S., additional, Boehnke, Michael, additional, Love, Michael I., additional, Koistinen, Heikki A., additional, Laakso, Markku, additional, Mohlke, Karen L., additional, Small, Kerrin S., additional, and Scott, Laura J., additional

Published
2023
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2. PPI‐Induced Changes in Plasma Metabolite Levels Influence Total Hip Bone Mineral Density in a UK Cohort

Author

Zhang, Xinyuan, primary, Adebayo, Adewale S., additional, Wang, Dongmeng, additional, Raza, Yasrab, additional, Tomlinson, Max, additional, Dooley, Hannah, additional, Bowyer, Ruth C.E., additional, Small, Kerrin S., additional, Steves, Claire J., additional, Spector, Tim D., additional, Duncan, Emma L., additional, Visconti, Alessia, additional, and Falchi, Mario, additional

Published
2022
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3. PPI‐Induced Changes in Plasma Metabolite Levels Influence Total Hip Bone Mineral Density in a UK Cohort.

Author

Zhang, Xinyuan, Adebayo, Adewale S., Wang, Dongmeng, Raza, Yasrab, Tomlinson, Max, Dooley, Hannah, Bowyer, Ruth C.E., Small, Kerrin S., Steves, Claire J., Spector, Tim D., Duncan, Emma L., Visconti, Alessia, and Falchi, Mario

Abstract

Proton pump inhibitors (PPIs) are among the most used drugs in the UK. PPI use has been associated with decreased bone mineral density (BMD) and increased fracture risk, although these results have been inconsistent. We hypothesized that PPI could modulate BMD by altering gut and/or host systemic metabolic environments. Using data from more than 5000 British male and female individuals, we confirmed that PPI use is associated with decreased lumbar spine and total hip BMD. This effect was not mediated through the gut microbiome. We suggest here that PPI use may influence total hip BMD, both directly and indirectly, via plasma metabolites involved in the sex hormone pathway. © 2022 The Authors. Journal of Bone and Mineral Research published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research (ASBMR). [ABSTRACT FROM AUTHOR]

Published
2023
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4. Adipose tissue eQTL meta-analysis reveals the contribution of allelic heterogeneity to gene expression regulation and cardiometabolic traits.

Author

Brotman SM, El-Sayed Moustafa JS, Guan L, Broadaway KA, Wang D, Jackson AU, Welch R, Currin KW, Tomlinson M, Vadlamudi S, Stringham HM, Roberts AL, Lakka TA, Oravilahti A, Silva LF, Narisu N, Erdos MR, Yan T, Bonnycastle LL, Raulerson CK, Raza Y, Yan X, Parker SCJ, Kuusisto J, Pajukanta P, Tuomilehto J, Collins FS, Boehnke M, Love MI, Koistinen HA, Laakso M, Mohlke KL, Small KS, and Scott LJ

Abstract

Complete characterization of the genetic effects on gene expression is needed to elucidate tissue biology and the etiology of complex traits. Here, we analyzed 2,344 subcutaneous adipose tissue samples and identified 34K conditionally distinct expression quantitative trait locus (eQTL) signals in 18K genes. Over half of eQTL genes exhibited at least two eQTL signals. Compared to primary signals, non-primary signals had lower effect sizes, lower minor allele frequencies, and less promoter enrichment; they corresponded to genes with higher heritability and higher tolerance for loss of function. Colocalization of eQTL with conditionally distinct genome-wide association study signals for 28 cardiometabolic traits identified 3,605 eQTL signals for 1,861 genes. Inclusion of non-primary eQTL signals increased colocalized signals by 46%. Among 30 genes with ≥2 pairs of colocalized signals, 21 showed a mediating gene dosage effect on the trait. Thus, expanded eQTL identification reveals more mechanisms underlying complex traits and improves understanding of the complexity of gene expression regulation., Competing Interests: Competing interests The authors declare no competing interests.

Published
2023
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