000 03670nam a22003257i 4500
005 20231211140427.0
008 211026s2021 ua a|||| bm|| 00| 0 eng d
040 _aEG-NcFUE
_erda
041 0 _aeng
_bara
082 0 4 _222
_a616.99
_bE.E.P
100 1 _933889
_aEl Sawaf, Engie Samir,
_eauthor.
245 1 4 _aThe possible impact of vitamin D3 on peripheral neuropathy induced by diabetes in a rat model /
_cby Engie Samir El Sawaf (Teaching Assistant Pharmacology & Toxicology & Biochemistry department, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University in Egypt)
246 1 5 _aالتأثير المحتمل لفتيامين د 3 في التهاب الأعصاب الطرفية المصاحب لمرض السكري المحدث في الجزان
264 1 _c2021
300 _a1 online resource (156 pages, 4 pages) :
_billustrations (some color)
336 _2rdacontent
_atext
337 _2rdamedia
_acomputer
338 _2rdacarrier
_aonline resource
500 _aSupervision of Dr. Dalaal Moustafa Abdallah (Professor of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University), Dr. Samira Saleh Mostafa (Professor of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University), Dr. Hanan Salah El-Din El-Abhar (Professor & Head of Pharmacology, Toxicology & Biochemistry department, Faculty of Pharmaceutical Sciences & Pharmaceutical Industries, Future University in Egypt (FUE)
502 _aThesis (M.Sc.)-Cairo university, Faculty of pharmacy, Department of Pharmacology and Toxicology, 2021.
504 _aIncludes bibliographical references.
520 3 _aVitamin D and rosuvastatin are two well-known drugs that mediate beneficial effects in type 2 diabetes (T2D) complications, however, their anti-neuropathic potential is still debatable. Hence, we studied the possible neurotherapeutic effect & the possible underling mechanisms. Additionally, evaluating the merit of their combination using a high fat fructose diet/streptozotocin (HFFD/STZ) T2D model. In addition to the control group, rats with T2D-associated neuropathy (6 weeks post STZ) were allocated into untreated and treated with vitamin D (cholecalciferol, 3500 IU/kg/week), rosuvastatin (10 mg/kg/day), or both. After 2 months of treatment, the therapeutic effect on small/large nerves was investigated using tail flick test, electrophysiological examination and histological evaluation, which documented that long-term use of vitamin D and/or rosuvastatin regenerated neuronal function and architecture of the sciatic nerve. These treatment regimens also decreased neuronal inflammation and apoptosis verified by inhibiting neuron content of TNF- and IL-18, as well as caspase-3 activity, while augmenting Bcl-2 content. On the molecular level, vitamin D and rosuvastatin abated the protein expression of NICD1, Wnt-10, β-catenin and TGF-β, while augmented the sciatic nerve content of SMAD7. These effects were associated with an upturn in the neuronal mitochondrial function (NRF-1, TFAM, mtDNA, and ATP). In conclusion, vitamin D and/or rosuvastatin abridged diabetes-induced neuropathy via turning off Notch1, Wnt-10/β-catenin and modulating TGF-β/SMAD7 signaling along with enhancing mitochondrial function, effects that lessened neuronal degeneration, demyelination and fibrosis.
546 _aText in English, abstracts in English and Arabic.
650 0 _aRats
_xDiseases
650 0 _aDiabetes
650 0 _aVitamin D
_xTherapeutic use
856 4 0 _3DSpace electronic resource
_uhttp://repository.fue.edu.eg/xmlui/handle/123456789/5795
942 _cTHESIS
_2ddc
999 _c12996
_d12996