Original ResearchPublished 17 September 2026Heparan sulfate endosulfatases, Sulf1 and Sulf2, are required for formation of the medial habenula-interpeduncular nucleus circuitSayaka Hashimoto · Takuya Okada · Kazuko Keino-Masu · Ken Miya · Masayuki MasuFrontiers in Neuroanatomydoi 10.3389/fnana.2026.1961110