Functional and Morphological Analysis of OFF Bipolar Cells

  • Chase B. Hellmer
  • Tomomi Ichinose
Part of the Methods in Molecular Biology book series (MIMB, volume 1753)


Retinal first-order neurons, photoreceptors, receive visual inputs and convert them to neural signals. The second-order neurons, bipolar cells then sort out the visual signals and encode them through multiple neural streams. Approximately 15 morphological types of bipolar cells have been identified, which are thought to encode different aspects of visual signals such as motion and color (Ichinose et al. J Neurosci 34(26):8761–8771, 2014; Euler et al. Nat Rev Neurosci 15(8):507–519, 2014). To investigate functional aspects of OFF bipolar cells, single cell recordings are preferred; however, bipolar cells in the mouse retina are small and hard to distinguish from other types of cells. Here, we describe our methodology and tips for immunohistochemistry and patch clamp recordings for analyzing light-evoked responses in each type of OFF bipolar cell.

Key words

Patch clamp OFF bipolar cells Immunohistochemistry Neurobiotin Retinal slice preparation Light responses 


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Departments of Anatomy and Cell BiologyWayne State University School of MedicineDetroitUSA
  2. 2.Department of OphthalmologyWayne State University School of MedicineDetroitUSA

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