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Brain-derived neurotrophic factor as a biomarker in primary open-angle glaucoma.

Authors: Ghaffariyeh, A  Honarpisheh, N  Heidari, MH  Puyan, S  Abasov, F 
Citation: Ghaffariyeh A, etal., Optom Vis Sci. 2011 Jan;88(1):80-5. doi: 10.1097/OPX.0b013e3181fc329f.
Pubmed: (View Article at PubMed) PMID:21076359
DOI: Full-text: DOI:10.1097/OPX.0b013e3181fc329f

PURPOSE: To introduce a novel biomarker for screening of primary open-angle glaucoma (POAG) by detecting and measuring brain-derived neurotrophic factor (BDNF) in the serum of normal subjects and patients with early stage of glaucoma. METHODS: Twenty-five glaucoma patients as the case group and 25 age- and sex-matched normal persons as the control group were tested. The control group comprised 19 men and 6 women, with the mean age of 59.32 +/- 11.8 years and without any apparent ocular or systemic diseases. The case group comprised 20 men and 5 women, with the mean age of 59.64 +/- 11.56 years, who were assessed by routinely performed clinical and paraclinical investigations. BDNF levels in serum were determined by enzyme-linked immunosorbent assay using monoclonal antibodies specific for BDNF. RESULTS: The mean of BDNF levels in the serum was 27.16 +/- 5.53 ng/mL in the control subjects and 18.42 +/- 4.05 ng/mL in the subjects with the early stage glaucoma. A statistically significant difference was evident between the two groups (p < 0.05). We found no significant differences in serum BDNF levels according to the subjects' age, gender, duration of the glaucoma, mean intraocular pressure, and blood pressure (p > 0.05). Glaucoma patients who had lower serum BDNF concentration had disclosed a significant negative correlation with pattern standard deviations. CONCLUSIONS: We conclude that BDNF in the serum might be a useful biochemical marker for early detection of POAG. We also propose that this might be a reliable, time efficient, and cost-effective method for diagnosis, screening, and assessing the progression of POAG. However, more studies and trials are needed to investigate these factors in greater detail.


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RGD Object Information
RGD ID: 8655612
Created: 2014-05-20
Species: All species
Last Modified: 2014-05-20
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.