Cerebrospinal fluid proteomics identifies calcyphosine and follistatin-like 1 as exploratory candidate proteins of interest in hydrocephalus - Summary - MDSpire

Cerebrospinal fluid proteomics identifies calcyphosine and follistatin-like 1 as exploratory candidate proteins of interest in hydrocephalus

  • By

  • Hao Han

  • Xun Xie

  • Mingchen Xie

  • Yahui Zhang

  • Jianhua Cheng

  • Jian Xu

  • May 29, 2026

  • 0 min

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Objective:

To compare CSF proteomic profiles in post-hemorrhagic hydrocephalus (PHH) and idiopathic normal pressure hydrocephalus (iNPH) to identify distinct protein-abundance patterns and potential biomarkers.

Key Findings:
  • Both PHH and iNPH showed predominantly downregulated CSF proteomic profiles compared to controls.
  • PHH exhibited elevated CAPS levels and reduced proteins related to neuronal maintenance and immune communication.
  • iNPH showed increased FSTL1 levels and decreased proteins involved in synaptic function and cellular stress responses.
  • Functional annotation analyses identified overrepresented terms related to inflammatory signaling and neural pathways.
Interpretation:

Remove unsupported claims about CAPS and FSTL1 as potential biomarkers.

Limitations:
  • The study's sample size was small, necessitating validation in larger, independent cohorts.
  • The findings are exploratory and require further investigation before clinical biomarker applications can be made.
Conclusion:

Revise to emphasize the exploratory nature of findings without suggesting they are potential biomarkers.

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