J. A. Ainge and R. F. Langston, Ontogeny of neural circuits underlying spatial memory in the rat, Front. Neural Circuits, vol.6, 2012.

J. C. Bean, T. W. Lin, A. Sathyamurthy, F. Liu, D. Yin et al., Genetic labeling reveals novel cellular targets of schizophrenia susceptibility gene: distribution of GABA and non-GABA ErbB4-positive cells in adult mouse brain, J. Neurosci, vol.34, pp.13549-13566, 2014.

S. Berretta, H. Pantazopoulos, M. Markota, C. Brown, and E. T. Batzianouli, Losing the sugar coating: potential impact of perineuronal net abnormalities on interneurons in schizophrenia, Schizophr. Res, vol.167, pp.18-27, 2015.

B. K. Bitanihirwe and T. W. Woo, Perineuronal nets and schizophrenia: the importance of neuronal coatings, Neurosci. Biobehav. Rev, vol.45, pp.85-99, 2014.

S. Blakemore, The social brain in adolescence, Nat. Rev. Neurosci, vol.9, pp.267-277, 2008.

N. A. Botcher, J. E. Falck, A. M. Thomson, and A. Mercer, Distribution of interneurons in the CA2 region of the rat hippocampus, Front. Neuroanat, vol.8, p.104, 2014.

P. L. Bozzelli, S. Alaiyed, E. Kim, S. Villapol, and K. Conant, Proteolytic Remodeling of Perineuronal Nets: Effects on Synaptic Plasticity and Neuronal Population Dynamics, Neural Plast, p.5735789, 2018.

G. Br?-uckner, J. Grosche, M. Hartlage-r?-ubsamen, S. Schmidt, and M. Schachner, Region and lamina-specific distribution of extracellular matrix proteoglycans, hyaluronan and tenascin-R in the mouse hippocampal formation, J. Chem. Neuroanat, vol.26, pp.37-50, 2003.

A. Buonanno, The neuregulin signaling pathway and schizophrenia: from genes to synapses and neural circuits, Brain Res. Bull, vol.83, pp.122-131, 2010.

J. Cabungcal, P. Steullet, H. Morishita, R. Kraftsik, M. Cuenod et al., Perineuronal nets protect fast-spiking interneurons against oxidative stress, Proc. Natl. Acad. Sci. USA, vol.110, pp.9130-9135, 2013.

K. E. Carstens, M. L. Phillips, L. Pozzo-miller, R. J. Weinberg, and S. M. Dudek, Perineuronal Nets Suppress Plasticity of Excitatory Synapses on CA2 Pyramidal Neurons, J. Neurosci, vol.36, pp.6312-6320, 2016.

M. R. Celio, Perineuronal nets of extracellular matrix around parvalbumin-containing neurons of the hippocampus, Hippocampus, vol.3, pp.55-60, 1993.

Y. Chen, M. Zhang, D. Yin, L. Wen, A. Ting et al., ErbB4 in parvalbumin-positive interneurons is critical for neuregulin 1 regulation of long-term potentiation, Proc. Natl. Acad. Sci. USA, vol.107, pp.21818-21823, 2010.

V. Chevaleyre and R. A. Piskorowski, Hippocampal Area CA2: An Overlooked but Promising Therapeutic Target, Trends Mol. Med, vol.22, pp.645-655, 2016.
URL : https://hal.archives-ouvertes.fr/inserm-02769292

V. Chevaleyre and S. A. Siegelbaum, Strong CA2 pyramidal neuron synapses define a powerful disynaptic cortico-hippocampal loop, Neuron, vol.66, pp.560-572, 2010.

M. Chiang, A. J. Huang, M. E. Wintzer, T. Ohshima, and T. J. Mchugh, A role for CA3 in social recognition memory, Behav. Brain Res, vol.354, pp.22-30, 2018.

D. Pino, I. García-frigola, C. Dehorter, N. Brotons-mas, J. R. Alvarez-salvado et al., Erbb4 deletion from fast-spiking interneurons causes schizophrenia-like phenotypes, Neuron, vol.79, pp.1152-1168, 2013.

J. Dzwonek, M. Rylski, and L. Kaczmarek, Matrix metalloproteinases and their endogenous inhibitors in neuronal physiology of the adult brain, FEBS Lett, vol.567, pp.129-135, 2004.

E. Erbs, L. Faget, G. Scherrer, P. Kessler, D. Hentsch et al., Distribution of delta opioid receptor-expressing neurons in the mouse hippocampus, Neuroscience, vol.221, pp.203-213, 2012.

P. R. Evans, S. E. Lee, Y. Smith, and J. R. Hepler, Postnatal developmental expression of regulator of G protein signaling 14 (RGS14) in the mouse brain, J. Comp. Neurol, vol.522, pp.186-203, 2014.

J. N. Giedd, J. Blumenthal, N. O. Jeffries, F. X. Castellanos, H. Liu et al., Brain development during childhood and adolescence: a longitudinal MRI study, Nat. Neurosci, vol.2, pp.861-863, 1999.

H. Hayani, I. Song, and A. Dityatev, Increased Excitability and Reduced Excitatory Synaptic Input Into Fast-Spiking CA2 Interneurons After Enzymatic Attenuation of Extracellular Matrix, Front. Cell Neurosci, vol.12, pp.877-888, 2005.

F. L. Hitti and S. A. Siegelbaum, The hippocampal CA2 region is essential for social memory, Nature, vol.508, pp.88-92, 2014.

N. Horii-hayashi, T. Sasagawa, W. Matsunaga, and M. Nishi, Development and Structural Variety of the Chondroitin Sulfate Proteoglycans-Contained Extracellular Matrix in the Mouse Brain, Neural Plast, p.256389, 2015.

Y. Iwakura and H. Nawa, ErbB1-4-dependent EGF/neuregulin signals and their cross talk in the central nervous system: pathological implications in schizophrenia and Parkinson's disease. Front, Cell. Neurosci, vol.7, p.4, 2013.

M. Karayiorgou, T. J. Simon, and J. A. Gogos, 22q11.2 microdeletions: linking DNA structural variation to brain dysfunction and schizophrenia, Nat. Rev. Neurosci, vol.11, pp.402-416, 2010.

K. Kay, M. Sosa, J. E. Chung, M. P. Karlsson, M. C. Larkin et al., A hippocampal network for spatial coding during immobility and sleep, Nature, vol.531, pp.185-190, 2016.

M. B. Knable, B. M. Barci, M. J. Webster, J. Meador-woodruff, T. et al., Molecular abnormalities of the hippocampus in severe psychiatric illness: postmortem findings from the Stanley Neuropathology Consortium, Mol. Psychiatry, vol.9, pp.609-620, 2004.

J. H. Kogan, P. W. Frankland, and A. J. Silva, Long-term memory underlying hippocampus-dependent social recognition in mice, Hippocampus, vol.10, pp.47-56, 2000.

K. Kohara, M. Pignatelli, A. J. Rivest, H. Jung, T. Kitamura et al., Cell type-specific genetic and optogenetic tools reveal hippocampal CA2 circuits, Nat. Neurosci, vol.17, pp.269-279, 2014.

F. Leroy, D. H. Brann, T. Meira, and S. A. Siegelbaum, Input-Timing-Dependent Plasticity in the Hippocampal CA2 Region and Its Potential Role in Social Memory, Neuron, vol.95, pp.1089-1102, 2017.

M. Megías, Z. Emri, T. F. Freund, and A. I. Gulyá-s, Total number and distribution of inhibitory and excitatory synapses on hippocampal CA1 pyramidal cells, Neuroscience, vol.102, pp.527-540, 2001.

L. Mei and W. Xiong, Neuregulin 1 in neural development, synaptic plasticity and schizophrenia, Nat. Rev. Neurosci, vol.9, pp.437-452, 2008.

M. Mietzsch, F. Broecker, A. Reinhardt, P. H. Seeberger, and R. Heilbronn, Differential adeno-associated virus serotype-specific interaction patterns with synthetic heparins and other glycans, J. Virol, vol.88, pp.2991-3003, 2014.

S. S. Moy, H. T. Ghashghaei, R. J. Nonneman, J. M. Weimer, Y. Yokota et al., Deficient NRG1-ERBB signaling alters social approach: relevance to genetic mouse models of schizophrenia, J. Neurodev. Disord, vol.1, pp.302-312, 2009.

K. Nasrallah, R. A. Piskorowski, C. , and V. , Inhibitory Plasticity Permits the Recruitment of CA2 Pyramidal Neurons by CA3, vol.2, pp.49-64, 2015.
URL : https://hal.archives-ouvertes.fr/inserm-02769407

A. Oliva, A. Ferná-ndez-ruiz, G. Buzsá-ki, and A. Beré-nyi, Role of Hippocampal CA2 Region in Triggering Sharp-Wave Ripples, Neuron, vol.91, pp.1342-1355, 2016.

S. S. Pattwell, F. S. Lee, and B. J. Casey, Fear learning and memory across adolescent development: Hormones and Behavior Special Issue: Puberty and Adolescence, Horm. Behav, vol.64, pp.380-389, 2013.

R. A. Piskorowski, C. , and V. , Delta-opioid receptors mediate unique plasticity onto parvalbumin-expressing interneurons in area CA2 of the hippocampus, J. Neurosci, vol.33, pp.14567-14578, 2013.
URL : https://hal.archives-ouvertes.fr/inserm-02769098

R. A. Piskorowski, K. Nasrallah, A. Diamantopoulou, J. Mukai, S. I. Hassan et al., Age-Dependent Specific Changes in Area CA2 of the Hippocampus and Social Memory Deficit in a Mouse Model of the 22q11.2 Deletion Syndrome, Neuron, vol.89, pp.163-176, 2016.
URL : https://hal.archives-ouvertes.fr/inserm-02768786

R. M. Quock, T. H. Burkey, E. Varga, Y. Hosohata, K. Hosohata et al., The delta-opioid receptor: molecular pharmacology, signal transduction, and the determination of drug efficacy, Pharmacol. Rev, vol.51, pp.503-532, 1999.

X. Rezaï, L. Faget, E. Bednarek, Y. Schwab, B. L. Kieffer et al., Mouse d opioid receptors are located on presynaptic afferents to hippocampal pyramidal cells, Cell. Mol. Neurobiol, vol.32, pp.509-516, 2012.

C. E. Ribak, L. Seress, and C. Leranth, Electron microscopic immunocytochemical study of the distribution of parvalbumin-containing neurons and axon terminals in the primate dentate gyrus and Ammon's horn, J. Comp. Neurol, vol.327, pp.298-321, 1993.

G. Scherrer, P. Tryoen-tó-th, D. Filliol, A. Matifas, D. Laustriat et al., Knockin mice expressing fluorescent delta-opioid receptors uncover G protein-coupled receptor dynamics in vivo, Proc. Natl. Acad. Sci. USA, vol.103, pp.9691-9696, 2006.
URL : https://hal.archives-ouvertes.fr/hal-00188131

S. Soleman, M. A. Filippov, A. Dityatev, and J. W. Fawcett, Targeting the neural extracellular matrix in neurological disorders, Neuroscience, vol.253, pp.194-213, 2013.

E. L. Stevenson and H. K. Caldwell, Lesions to the CA2 region of the hippocampus impair social memory in mice, Eur. J. Neurosci, vol.40, pp.3294-3301, 2014.

D. Vullhorst, J. Neddens, I. Karavanova, L. Tricoire, R. S. Petralia et al., Selective expression of ErbB4 in interneurons, but not pyramidal cells, of the rodent hippocampus, J. Neurosci, vol.29, pp.12255-12264, 2009.

S. R. Wersinger, E. I. Ginns, A. O'carroll, S. J. Lolait, Y. et al., Vasopressin V1b receptor knockout reduces aggressive behavior in male mice, Mol. Psychiatry, vol.7, pp.975-984, 2002.

R. Woo, X. Li, Y. Tao, E. Carpenter-hyland, Y. Z. Huang et al., Neuregulin-1 enhances depolarization-induced GABA release, Neuron, vol.54, pp.599-610, 2007.

J. Yamada, J. , and S. , Spatio-temporal differences in perineuronal net expression in the mouse hippocampus, with reference to parvalbumin, Neuroscience, vol.253, pp.368-379, 2013.

M. Zhao, Y. Choi, K. Obrietan, and S. M. Dudek, Synaptic plasticity (and the lack thereof) in hippocampal CA2 neurons, J. Neurosci, vol.27, pp.12025-12032, 2007.