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GSTT1 Deletion Is Related to Polycyclic Aromatic Hydrocarbons-Induced DNA Damage and Lymphoma Progression

Overview of attention for article published in PLOS ONE, February 2014
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Title
GSTT1 Deletion Is Related to Polycyclic Aromatic Hydrocarbons-Induced DNA Damage and Lymphoma Progression
Published in
PLOS ONE, February 2014
DOI 10.1371/journal.pone.0089302
Pubmed ID
Authors

Fan Yang, Jie Xiong, Xiao-E Jia, Zhao-Hui Gu, Jing-Yi Shi, Yan Zhao, Jun-Min Li, Sai-Juan Chen, Wei-Li Zhao

Abstract

The interrelationship between genetic susceptibility and carcinogenic exposure is important in cancer development. Polymorphisms in detoxification enzymes of the glutathione-S-transferases (GST) family are associated with an increased incidence of lymphoma. Here we investigated the molecular connection of the genetic polymorphism of GSTT1 to the response of lymphocytes to polycyclic aromatic hydrocarbons (PAH). In neoplastic situation, GSTT1 deletions were more frequently observed in lymphoma patients (54.9%) than in normal controls (42.0%, P = 0.009), resulting in an increased risk for lymphoma in individuals with GSTT1-null genotype (Odds ratio = 1.698, 95% confidence interval = 1.145-2.518). GSTT1 gene and protein expression were accordingly decreased in GSTT1-deleting patients, consistent with activated profile of cell cycle regulation genes. Mimicking environmental exposure using long-term repeat culture with low-dose PAH metabolite Hydroquinone, malignant B- and T-lymphocytes presented increased DNA damage, pCHK1/MYC expression and cell proliferation, which were counteracted by ectopic expression of GSTT1. Moreover, GSTT1 expression retarded xenograft tumor formation of Hydroquinone-treated lymphoma cells in nude mice. In non-neoplastic situation, when zebrafish was exposed to PAH Benzo(a)pyrene, molecular silencing of gstt1 enhanced the proliferation of normal lymphocytes and upregulated myca expression. Collectively, these findings suggested that GSTT1 deletion is related to genetic predisposition to lymphoma, particularly interacting with environmental pollutants containing PAH.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 32 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 3%
Mexico 1 3%
Unknown 30 94%

Demographic breakdown

Readers by professional status Count As %
Researcher 10 31%
Student > Doctoral Student 4 13%
Student > Master 3 9%
Student > Ph. D. Student 3 9%
Other 2 6%
Other 5 16%
Unknown 5 16%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 7 22%
Medicine and Dentistry 7 22%
Agricultural and Biological Sciences 5 16%
Environmental Science 1 3%
Immunology and Microbiology 1 3%
Other 3 9%
Unknown 8 25%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 21 February 2014.
All research outputs
#17,713,929
of 22,745,803 outputs
Outputs from PLOS ONE
#146,818
of 194,149 outputs
Outputs of similar age
#156,617
of 224,154 outputs
Outputs of similar age from PLOS ONE
#4,183
of 5,782 outputs
Altmetric has tracked 22,745,803 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 194,149 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 15.1. This one is in the 20th percentile – i.e., 20% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 224,154 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 26th percentile – i.e., 26% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 5,782 others from the same source and published within six weeks on either side of this one. This one is in the 23rd percentile – i.e., 23% of its contemporaries scored the same or lower than it.