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Resistance of CA1 pyramidal cells to STZ-induced diabetes in young rats / Resistencia de las células piramidales CA1 a diabetes inducida por STZ en ratas jóvenes
Fazeli, Seyyed Amirhossein; Gharravi, Anneh Mohammad; Jahanshahi, Mehrdad; Ghafari, Soraya; Behnampour, Naser; Golalipour, Mohammad Jafar.
  • Fazeli, Seyyed Amirhossein; Gorgan University of Medical Sciences. Department of Embryology and Histology. Gorgan. IR
  • Gharravi, Anneh Mohammad; Gorgan University of Medical Sciences. Department of Embryology and Histology. Gorgan. IR
  • Jahanshahi, Mehrdad; Gorgan University of Medical Sciences. Department of Anatomy. Gorgan. IR
  • Ghafari, Soraya; Gorgan University of Medical Sciences. Department of Embryology and Histology. Gorgan. IR
  • Behnampour, Naser; Gorgan University of Medical Sciences. Department of Health. Gorgan. IR
  • Golalipour, Mohammad Jafar; Gorgan University of Medical Sciences. Department of Anatomical Sciences (Embryology and Histology). Gorgan. IR
Int. j. morphol ; 27(4): 997-1001, dic. 2009. ilus
Article in English | LILACS | ID: lil-582041
ABSTRACT
The pyramidal cell density of CA1 hippocampal subfield following STZ-induced diabetes in young rats were studied. 12 male albino 6-week Wistar rats were allocated equally in groups of normal and diabetic. Hyperglycemia induced by Streptozotocin (80 mg/kg) in animals of diabetic group. After 5 weeks of study, all the rats were sacrificed and coronal sections were taken from dorsal hippocampal formation of the right cerebral hemispheres and stained with crysel violet. The area densities of the CA1 pyramidal cells were measured and compared among two groups. No significant difference between the densities of two experimental groups was found. The results can arise from the short period of diabetes and also the possible regenerative processes in developing brain of the young diabetic rats which compensated significant diabetes-induced neuronal loss.
RESUMEN
La densidad de las células piramidales del subcampo CA1 hipocampal resultantes de diabetes inducida por STZ en ratas jóvenes fue estudiada. 12 ratas albinas Wistar macho, de 6 semanas fueron asignadas equitativamente en grupos normal y diabético. La hiperglicemia fue inducida por Streptozotocin (80 mg/kg) en los animales del grupo de diabéticos. Después de 5 semanas de estudio, todas las ratas se sacrificaron y se tomaron secciones coronales de la formación del hipocampo dorsal de los hemisferios cerebrales derecho y se tiñeron con violeta crisol. Las áreas de densidad de las células piramidales CA1 fueron medidas y comparadas entre los dos grupos. No se encontraron diferencias significativas entre las densidades de los dos grupos experimentales. Los resultados pueden explicarse debido al corto periodo de diabetes y también por la posibilidad de procesos regenerativos del cerebro en desarrollo de las ratas jóvenes diabéticas los cuales compensan significativamente la pérdida neuronal en la diabetes inducida.
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Full text: Available Index: LILACS (Americas) Main subject: Pyramidal Cells / Glucose Intolerance / Diabetes Mellitus, Experimental / Hippocampus Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2009 Type: Article Affiliation country: Iran Institution/Affiliation country: Gorgan University of Medical Sciences/IR

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Full text: Available Index: LILACS (Americas) Main subject: Pyramidal Cells / Glucose Intolerance / Diabetes Mellitus, Experimental / Hippocampus Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2009 Type: Article Affiliation country: Iran Institution/Affiliation country: Gorgan University of Medical Sciences/IR