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Differential Sirtuin Expression Patterns in Amyotrophic Lateral Sclerosis (ALS) Postmortem Tissue: Neuroprotective or Neurotoxic Properties of Sirtuins in ALS? by Sonja Körner; Sebastian Böselt; Nadine Thau; Klaus Jan Rath; Reinhard Dengler; Susanne Petri is a Medicine article available to read on EtoBox.
What is Differential Sirtuin Expression Patterns in Amyotrophic Lateral Sclerosis (ALS) Postmortem Tissue: Neuroprotective or Neurotoxic Properties of Sirtuins in ALS? about?
**__Background/Aims:__** Sirtuins (SIRT1–7; class III histone deactylases) modulate fundamental mechanisms in age-related neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS). We assessed the expression levels of sirtuins in human postmortem ALS and control brain and spinal cord. **__Methods and Results:__** By quantitative real-time PCR, a significant reduction of SIRT1 and SIRT2 was detected in homogenates of the primary motor cortex (white and gray matter), while there were no differences in spinal cord homogenates. When specifically analyzing mRNA and protein expression in the gray matter (cortical layers I–VI of the precentral gyrus, ventral/dorsal horn of the spinal cord) by in situ hybridization histochemistry and immunohistochemistry, we found increased levels of SIRT1, SIRT2 and SIRT5 in ALS which were significant for SIRT1 and SIRT5 mRNA in the spinal cord. **__Conclusion:__** Our results indicate a general reduction of SIRT1 and SIRT2 in ALS primary motor cortex, while in situ hybridization histochemistry and immunohistochemistry showed neuron-specific upregulation of SIRT1, SIRT2 and SIRT5, particularly in the spinal cord. Opposed effects have been des
Who reads Differential Sirtuin Expression Patterns in Amyotrophic Lateral Sclerosis (ALS) Postmortem Tissue: Neuroprotective or Neurotoxic Properties of Sirtuins in ALS??
It is typically read by researchers, students, and practitioners in Medicine.
- Author
- Sonja Körner; Sebastian Böselt; Nadine Thau; Klaus Jan Rath; Reinhard Dengler; Susanne Petri
- Publisher
- S. Karger AG
- Published
- 2012
- Language
- EN
- Field
- Medicine (Health Sciences)