Pengaruh Facilitated Tucking Dan Musik Terhadap Respon Nyeri Bayi Prematur Ketika Pengambilan Darah

Manajemen nyeri yang tidak terkontrol pada bayi akan mempengaruhi pertumbuhan dan perkembangan selanjutnya. Salah satu tindakan manajemen nyeri non-farmakologi yang aman bagi bayi prematur adalah facilitated tucking dan pemberian musik. Penelitian ini untuk mengidentifikasi pengaruh kombinasi fasilitated tucking dan musik dalam mengurangi respon nyeri dan durasi menangis bayi prematur saat pengambilan darah. Rancangan kuasi eksperimen dengan pos-ttest control group design dipilih. Sampel penelitian ini adalah 60 bayi prematur yang dirawat di rumah sakit dan dilakukan pengambilan darah. Uji hipotesis menggunakan independent t-test. Kelompok intervensi diberikan facilitated tucking dan musik ketika pengambilan darah. Pengukuran nyeri menggunakan Premature Infant Pain Profile (PIPP) dan durasi menangis diukur dalam detik. Hasil penelitian menunjukkan bahwa rata-rata skor nyeri bayi adalah 7,03 pada kelompok intervensi dan 12,4 pada kelompok kontrol. Rata-rata durasi menangis bayi pada kelompok intervensi adalah 68,5 detik dan kelompok kontrol adalah 105 detik. Uji t menunjukkan perbedaan yang bermakna skor nyeri p 0,000 (α=0,05) dan durasi menangis 0,009 (α=0,05) bayi premature antara kelompok intervensi dan kelompok kontrol. DIsimpulkan bahwa facilitated tucking dan musik telah mengurangi respon nyeri dan durasi tangisan bayi prematur ketika pengambilan darah

Role of glial 14-3-3 gamma protein in autoimmune demyelination

Background: The family of 14-3-3 proteins plays an important role in the regulation of cell survival and death. Here, we investigate the role of the 14-3-3 gamma (14-3-3 γ) subunit for glial responses in autoimmune demyelination. Methods: Expression of 14-3-3 γ in glial cell culture was investigated by reverse transcription polymerase chain reaction (RT-PCR) and immunocytochemistry. 14-3-3 γ knockout mice were subjected to murine myelin oligodendrocyte-induced experimental autoimmune encephalomyelitis (MOG-EAE), an animal model mimicking inflammatory features and neurodegenerative aspects of multiple sclerosis (MS). Results: Expression studies in cell culture confined expression of 14-3-3 γ to both, oligodendrocytes (OL) and astrocytes. RT-PCR analysis revealed an increased expression of 14-3-3 γ mRNA in the spinal cord during the late chronic phase of MOG-EAE. At that stage, EAE was more severe in 14-3-3 γ knockout mice as compared to age- and gender-matched controls. Histopathological analyses on day 56 post immunization (p.i.) revealed significantly enhanced myelin damage as well as OL injury and secondary, an increase in axonal injury and gliosis in 14-3-3 γ −/− mice. At the same time, deficiency in 14-3-3 γ protein did not influence the immune response. Further histological studies revealed an increased susceptibility towards apoptosis in 14-3-3 γ-deficient OL in the inflamed spinal cord. Conclusion: These data argue for a pivotal role of 14-3-3 γ-mediated signalling pathways for OL protection in neuroinflammation

Additional file 1: Figure S1. of Role of glial 14-3-3 gamma protein in autoimmune demyelination

14-3-3 γ deficiency does not influence numbers of NogoA positive OL in naive mice. A, B Representative sections of the spinal cord lesions from naive mice. Bar represents 200 μm for both sections. Labelling for NogoA positive OL does not reveal any difference between 14-3-3 γ knockout mice and controls (see arrows). C Blinded quantification of NogoA positive OL on the spinal cord cross sections reveals no difference between both groups (n = 3 mice per group, p = n.s.)

No effects of fingolimod on spinal cord glutamate transporter protein levels during EAE.

<p>(A-D) Western Blot analyses of spinal cord homogenates relative to GAPDH (A) or beta actin (C) with the respective densitometry relative to the housekeeping gene (B,D). At the maximum of EAE, there was a decrease for SLC1A2 (A,B) and SLC1A3 protein levels (C,D) as compared to naïve mice which was restored after fingolimod treatment (3 mg/kg once daily). One out of three experiments is shown, n = 3 per group. (E-H) Laser scanning microscopy of spinal cord cross sections after staining for GFAP (red) and SLC1A2 (green, E,F) or SLC1A3 (green, G,H). Arrows indicate double labelled profiles. Representative images of spinal cord cross sections are shown. Bar = 50 μm.</p

Effects of fingolimod-1 phosphate on glutamate transporter mRNA and protein levels in astrocyte cell culture.

<p>RT-PCR analysis of (A) <i>slc1a2</i> expression or (B) <i>slc1a3</i> expression after astrocyte culture for 12 days and 48 hours of stimulation with TNF-α (100 U/ml) and IL-1β (10 ng/ml) versus naïve controls and with our without addition of F1P at 100 nM, n = 17/3/9/14 per group. (C,D) Western Blot analysis of (C) SLC1A2 protein expression or (D) SLC1A3 protein expression in astrocytes cultured for 12 days either as naïve cells or after stimulation with 100 U/ml TNF-α and 10 ng/ml IL-1β for 48 hours with or without F1P at 100 nM. Densitometric analysis of SLC1A2 or SLC1A3 protein levels was performed in relation to glyceraldehyde 3-phosphate dehydrogenase (GAPDH) as loading control, n = 3–4 per group, data are pooled from two experiments. Arrows indicate specific band. (E,F) Confocal imaging after immuncytochemistry for GFAP (red) and SLC1A2 or SLC1A3 (green) in inflamed astrocyte culture (stimulation with TNF-α and IL-1β) with or without addition of 100nM F1P for 48 hours. Images from representative cultures are shown. Bar = 20 µm for G,H. Data are given as mean ± SD for RT-PCR data or mean ± SEM for Western Blotting. * p < 0.05 or *** p < 0.01, t-test or Kruskal Wallis-test.</p

Fingolimod conditioned astrocyte supernatants do not exert growth promoting effects in PC 12 cells.

<p>(A-D) Representative images of PC12 cells in culture after hematoxylin eosin staining. Insets in (A) and (B) show higher manigifcation with representative neurite growth indicated by arrows. Bar indicates 50 µm in D and 20 µm in inset. As compared to (A) medium only as negative control and (B) the addition of BDNF as positive control, the addition of conditioned supernatnats from IL-1β and TNFα inflamed astrocytes with or without F1P treatment at 100 nM (C,D) did not lead to increased neurite lenght. (E) Blinded quantification of neurite lenghts in PC 12 cell culture. ACM, astrocyte conditioned supernatant. Data are given as mean ± SEM, n = 3 per group, 1 out of 2 experiments is shown. * p < 0.05 for medium versus addition of BDNF as positive control, Kruskal Wallis test.</p

No effects of fingolimod on spinal cord glutamate transporter protein levels during EAE.

<p>(A-D) Western Blot analyses of spinal cord homogenates relative to GAPDH (A) or beta actin (C) with the respective densitometry relative to the housekeeping gene (B,D). At the maximum of EAE, there was a decrease for SLC1A2 (A,B) and SLC1A3 protein levels (C,D) as compared to naïve mice which was restored after fingolimod treatment (3 mg/kg once daily). One out of three experiments is shown, n = 3 per group. (E-H) Laser scanning microscopy of spinal cord cross sections after staining for GFAP (red) and SLC1A2 (green, E,F) or SLC1A3 (green, G,H). Arrows indicate double labelled profiles. Representative images of spinal cord cross sections are shown. Bar = 50 μm.</p