Journal: bioRxiv
Article Title: Adeno-associated viruses (AAVs) induce dose-dependent neonatal ventriculomegaly following intracerebroventricular administration
doi: 10.64898/2025.12.30.697113
Figure Lengend Snippet: AAVs induce dose-dependent CSF dyshomeostasis. (A) CSF CCL2 concentrations measured by ELISA at P7.5 following P0.5 ICV injection of escalating AAV doses. (B, C) Parenchymal microglial response. (B) Representative Iba1 immunostaining in P7.5 brain sections. (C) Quantification of Iba1⁺ cell density in parenchymal regions. (D, E) ChP microglial response. (D) Representative Iba1 immunostaining in the ChP. (E) Quantification of Iba1⁺ cell density in the ChP. (F) CSF transthyretin (TTR) concentrations measured by ELISA at P7.5 following P0.5 ICV injection of escalating AAV doses. (G–J) ChP protein analysis by immunoblot. (G) Representative blot for TTR and GFP in ChP lysates. (H) Relative GFP expression. (I) Relative TTR expression. (J) Correlation analysis between GFP and TTR levels in individual samples. (K, L) CSF ion disruption following inflammation. (K) Experimental timeline for LPS-induced inflammation and CSF collection in adult mice. (L) CSF potassium (K⁺) concentration measured by ICP-MS.
Article Snippet: The concentrations of C-C motif chemokine ligand 2 (CCL2) and transthyretin (TTR) in the CSF were quantified using commercial ELISA kits (mouse CCL2 ELISA kit, BSKM1011, Bioss; mouse TTR ELISA kit, ab282297, Abcam), according to the manufacturers’ protocols.
Techniques: Enzyme-linked Immunosorbent Assay, Injection, Immunostaining, Western Blot, Expressing, Disruption, Concentration Assay