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Association of oxidative stress and DNA damage with grafting time in patients with multiple myeloma and lymphoma submitted to autologous hematopoietic stem cell transplantation

Overview of attention for article published in Revista da Associação Médica Brasileira, October 2016
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Title
Association of oxidative stress and DNA damage with grafting time in patients with multiple myeloma and lymphoma submitted to autologous hematopoietic stem cell transplantation
Published in
Revista da Associação Médica Brasileira, October 2016
DOI 10.1590/1806-9282.62.suppl1.39
Pubmed ID
Authors

Thayna Nogueira dos Santos, Fernando Barroso Duarte, Pedro Aurio Maia Filho, Talyta Ellen de Jesus dos Santos, Maritza Cavalcante Barbosa, Tarcísio Paulo de Almeida Filho, Bruno Coelho Cavalcanti, Paulo Roberto Leitão de Vasconcelos, Luana Leticia Dutra, Germison Silva Lopes, Franciclea Oliveira Costa, João Paulo Vasconcelos Leitão, Jacques KauFman, Beatriz Stella Pitombeira AraúJo, Karine Sampaio Nunes Barroso, Romélia Pinheiro Gonçalves Lemes

Abstract

The aim of the study was to investigate the association between oxidative stress and DNA damage with grafting time in patients submitted to autologous hematopoietic stem-cell transplantation (HSCT). The study included 37 patients submitted to autologous HSCT diagnosed with Multiple Myeloma (MM) and lymphoma (Hodgkin's and non-Hodgkin's). Biomarkers of oxidative stress and DNA damage index (DI) were performed at baseline (pre-CR) of the disease and during the conditioning regimen (CR), one day after the HSCT, ten days after HSCT and twenty days after HSCT, as well as in the control group consisting of 30 healthy individuals. The outcomes showed that both groups of patients had an hyperoxidative state with high DI when compared to baseline and to the control group and that the CR exacerbated this condition. However, after the follow-up period of the study, this picture was re-established to the baseline levels of each pathology. The study patients with MM showed a mean grafting time of 10.75 days (8 to 13 days), with 10.15 days (8 to 15 days) for the lymphoma patients. In patients with MM, there was a negative correlation between the grafting time and the basal levels of GPx (r = -0.54; p = 0.034), indicating that lower levels of this important enzyme are associated with a longer grafting time. For the DI, the correlation was a positive one (r = 0.529; p = 0.030). In the group with lymphoma, it was observed that the basal levels of NOx were positively correlated with grafting time (r = 0.4664, p = 0.032). The data indicate the potential of these biomarkers as predictors of toxicity and grafting time in patients with MM and Lymphomas submitted to autologous HSCT.

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Mendeley readers

The data shown below were compiled from readership statistics for 20 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 20 100%

Demographic breakdown

Readers by professional status Count As %
Other 4 20%
Student > Master 4 20%
Student > Doctoral Student 3 15%
Student > Bachelor 2 10%
Student > Postgraduate 2 10%
Other 2 10%
Unknown 3 15%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 6 30%
Medicine and Dentistry 4 20%
Engineering 2 10%
Agricultural and Biological Sciences 1 5%
Economics, Econometrics and Finance 1 5%
Other 3 15%
Unknown 3 15%

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 24 February 2017.
All research outputs
#9,653,738
of 12,577,171 outputs
Outputs from Revista da Associação Médica Brasileira
#257
of 452 outputs
Outputs of similar age
#171,342
of 253,032 outputs
Outputs of similar age from Revista da Associação Médica Brasileira
#9
of 16 outputs
Altmetric has tracked 12,577,171 research outputs across all sources so far. This one is in the 20th percentile – i.e., 20% of other outputs scored the same or lower than it.
So far Altmetric has tracked 452 research outputs from this source. They receive a mean Attention Score of 2.0. This one is in the 40th percentile – i.e., 40% 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 253,032 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 16 others from the same source and published within six weeks on either side of this one. This one is in the 37th percentile – i.e., 37% of its contemporaries scored the same or lower than it.