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Evaluation of plasma brain-derived neurotrophic factor levels and self-perceived cognitive impairment post-chemotherapy: a longitudinal study.


ABSTRACT: Preliminary evidence suggests that changes in plasma brain-derived neurotrophic factor (BDNF) levels may contribute to the occurrence of chemotherapy-associated cognitive impairment (CACI), and a previous study suggested that carriers of the BDNF Met homozygous genotype are protected from CACI.This multicenter, prospective cohort study involved chemotherapy-receiving early-stage breast cancer (ESBC) patients. Self-perceived cognitive function was longitudinally assessed using the validated FACT-Cog (ver. 3) across three time points: Prior to chemotherapy (T1), during chemotherapy (T2), and at the end of chemotherapy (T3). Plasma BDNF levels were quantified using enzyme-linked immunosorbent assay. Genotyping was performed using Sanger Sequencing.A total of 51 chemotherapy-receiving ESBC patients (mean age: 52.6?±?9.5 years) were recruited, and 11 patients (21.6%) reported subjective cognitive impairment post-chemotherapy. Overall, there was a reduction in median plasma BDNF levels over time (T1: 5423.0 pg/ml; T2: 5313.6 pg/ml; T3: 4050.3 pg/ml; p?

SUBMITTER: Ng T 

PROVIDER: S-EPMC5735945 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Evaluation of plasma brain-derived neurotrophic factor levels and self-perceived cognitive impairment post-chemotherapy: a longitudinal study.

Ng Terence T   Lee Ying Yun YY   Chae Jung-Woo JW   Yeo Angie Hui Ling AHL   Shwe Maung M   Gan Yan Xiang YX   Ng Raymond C H RCH   Chu Pat Pak Yan PPY   Khor Chiea Chuen CC   Ho Han Kiat HK   Chan Alexandre A  

BMC cancer 20171219 1


<h4>Background</h4>Preliminary evidence suggests that changes in plasma brain-derived neurotrophic factor (BDNF) levels may contribute to the occurrence of chemotherapy-associated cognitive impairment (CACI), and a previous study suggested that carriers of the BDNF Met homozygous genotype are protected from CACI.<h4>Methods</h4>This multicenter, prospective cohort study involved chemotherapy-receiving early-stage breast cancer (ESBC) patients. Self-perceived cognitive function was longitudinally  ...[more]

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