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. 2021 Jul 25;22(15):7924. doi: 10.3390/ijms22157924

Figure 10.

Figure 10

Hypothetical explanatory model of heterotypic Sertoli cell (SC)-germ cell (GC) gap junctional intercellular communication (GJIC). (a) In wild type (WT) mice, GJIC is undisturbed resulting in normal spermatogenesis; (b) SC specific knockout (KO) of Cx43 leads to impaired GJIC between SC and GC as the Connexin43 (Cx43)-based hemichannel of the heterotypic gap junction channel is missing in SC specific Cx43 KO (SCCx43KO) mice; (c) GJIC via heterotypic hemichannels remains unaffected, when Cx43 is deleted in premeiotic or meiotic GC (GCCx43KO).