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Diabetes mellitus affects activity of calcium/calmodulin-dependent protein kinase II alpha in rat trigeminal ganglia (CROSBI ID 216195)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Jerić, Milka ; Vuica, Ana ; Borić, Matija ; Puljak, Livia ; Jeličić Kadić, Antonia ; Grković, Ivica ; Filipović, Natalija Diabetes mellitus affects activity of calcium/calmodulin-dependent protein kinase II alpha in rat trigeminal ganglia // Journal of chemical neuroanatomy, 64/65 (2015), 12-19. doi: 10.1016/j.jchemneu.2015.02.003

Podaci o odgovornosti

Jerić, Milka ; Vuica, Ana ; Borić, Matija ; Puljak, Livia ; Jeličić Kadić, Antonia ; Grković, Ivica ; Filipović, Natalija

engleski

Diabetes mellitus affects activity of calcium/calmodulin-dependent protein kinase II alpha in rat trigeminal ganglia

The activity of calcium/calmodulin-dependent protein kinase II alpha (CaMKIIα) may play a critical role in the modulation of nociceptor activity and plasticity of primary sensory trigeminal neurons. The aim of this study was to investigate the immunoreactivity of phosphorylated CaMKIIα (pCaMKIIα) in subpopulations of trigeminal ganglion (TG) neurons in rat models of early diabetes type 1 (dm1) and 2 (dm2). DM1 model was induced with intraperitoneally (i.p.) injected streptozotocin (STZ) (55 mg/kg). DM2 rats were fed with the high fat diet (HFD) for two weeks and then received 35 mg/kg of STZ i.p. Two weeks and 2 months after the STZ-diabetes induction, rats were sacrificed and immunohistocemical analysis for detection of pCaMKIIα immunoreactivity and double immunoflorescence labeling with isolectin (IB4) was performed. Increased intensity of pCaMKIIα immunofluorescence, restricted to IB4-negative small-diameter neurons, was seen in TG neurons two months after STZ-DM1 induction. DM1 model, as well as the obesity (control dm2 groups) resulted in neuronal impaired growth while dm2 model led to neuron hypertrophy in TG. Observed changes may play a critical role in the modulation of nociceptor activity and plasticity of primary sensory trigeminal neurons. In future, innovative strategies for modulation of CaMKIIα activity in specific subpopulations of neurons could be a novel approach in therapy of diabetic trigeminal neuropathy.

diabetes mellitus ; neuropathy ; CaMKII ; isolectin ; trigeminal ganglion

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Podaci o izdanju

64/65

2015.

12-19

objavljeno

0891-0618

10.1016/j.jchemneu.2015.02.003

Povezanost rada

Temeljne medicinske znanosti, Veterinarska medicina

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