Cited by 21Bipolar Disorder and TreatmentTreatment of Major DepressionSchizophrenia research and treatment

Comparing clinical responses and the biomarkers of BDNF and cytokines between subthreshold bipolar disorder and bipolar II disorder

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Wang, Tzu-Yun, Lee, Sheng-Yu, Chen, Shiou-Lan, Chang, Yun-Hsuan, Wang, Liang-Jen, Chen, Po See, Chen, Shih-Heng, Chu, Chun-Hsien +10 more·2016·Scientific Reports

Abstract

Patients with subthreshold hypomania (SBP; subthreshold bipolar disorder) were indistinguishable from those with bipolar disorder (BP)-II on clinical bipolar validators, but their analyses lacked biological and pharmacological treatment data. Because inflammation and neuroprogression underlies BP, we hypothesized that cytokines and brain-derived neurotrophic factor (BDNF) are biomarkers for BP. We enrolled 41 drug-naïve patients with SBP and 48 with BP-II undergoing 12 weeks of pharmacological treatment (valproic acid, fluoxetine, risperidone, lorazepam). The Hamilton Depression Rating Scale (HDRS) and Young Mania Rating Scale (YMRS) were used to evaluate clinical responses at baseline and at weeks 0, 1, 2, 4, 8, and 12. Inflammatory cytokines (tumour necrosis factor [TNF]-α, transforming growth factor [TGF]-β1, interleukin [IL]-6, IL-8 and IL-1β) and BDNF levels were also measured. Mixed models repeated measurement was used to examine the therapeutic effect and changes in BDNF and cytokine levels between the groups. HDRS and YMRS scores significantly (P < 0.001) declined in both groups, the SBP group had significantly lower levels of BDNF (P = 0.005) and TGF-β1 (P = 0.02). Patients with SBP and BP-II respond similarly to treatment, but SBP patients may have different neuroinflammation marker expression.

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Authors
Wang, T.-Y., Lee, S.-Y., Chen, S.-L., Chang, Y.-H., Wang, L.-J., Chen, P. S., Chen, S.-H., Chu, C.-H., Huang, S.-Y., Tzeng, N.-S., Li, C.-L., Chung, Y.-L., Hsieh, T.-H., Lee, I. H., Chen, K. C., Yang, Y. K., Hong, J.-S., & Lu, R.-B.
Affiliations
  • National Cheng Kung University Hospital (TW)
  • Kaohsiung Veterans General Hospital (TW)
  • Kaohsiung Medical University (TW)
  • Asia University (TW)
  • Chang Gung University (TW)
  • National Cheng Kung University (TW)
  • Tri-Service General Hospital (TW)
  • National Institute of Environmental Health Sciences (US)
  • National Health Research Institutes (TW)
Corresponding author
Lu, Ru-Band
Venue
Scientific Reports
Published
2016-06-07
Volume
6
Issue
1
Pages
27431-27431
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2416078335
Cited by
21
References
59
Citations by year
2026: 1 · 2024: 4 · 2023: 2 · 2021: 1 · 2020: 3 · 2019: 5 · 2018: 2 · 2017: 2 · 2016: 1
FWCI
2.96
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Science Council (NSC100-2314-B-075B-010-MY3, NSC 100, NSC98-2314-B-006–022-MY3)
  • National Health Research Institutes
  • National Cheng Kung University Hospital
  • National Cheng Kung University
  • Tri-Service General Hospital
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Bipolar Disorder and Treatment
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
Keywords
bipolar II disorder, brain-derived neurotrophic factor, inflammatory cytokines, neuroinflammation, biomarkers, TNF-α, TGF-β1, interleukin-6, interleukin-8, IL-1β, valproic acid, fluoxetine, risperidone, lorazepam, treatment response, drug-naive patients
MeSH terms
Adolescent, Adult, Bipolar Disorder, Dextromethorphan, Double-Blind Method, Female, Humans, Male, Memantine, Placebos, Valproic Acid, Biomarkers, Cytokines, Treatment Outcome, Brain-Derived Neurotrophic Factor, Young Adult

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