Colocalization of 14-3-3 Proteins with SOD1 in Lewy Body-Like Hyaline Inclusions in Familial Amyotrophic Lateral Sclerosis Cases and the Animal Model
2011

Study of 14-3-3 Proteins and SOD1 in Familial ALS

Sample size: 3 publication Evidence: moderate

Author Information

Author(s): Okamoto Yoko, Shirakashi Yoshitomo, Ihara Masafumi, Urushitani Makoto, Oono Miki, Kawamoto Yasuhiro, Yamashita Hirofumi, Shimohama Shun, Kato Shinsuke, Hirano Asao, Tomimoto Hidekazu, Ito Hidefumi, Takahashi Ryosuke

Primary Institution: Kyoto University Graduate School of Medicine

Hypothesis

The study investigates the role of 14-3-3 proteins in the formation of SOD1-containing inclusions in familial amyotrophic lateral sclerosis (FALS).

Conclusion

The study suggests that 14-3-3 proteins may play an important role in the formation of SOD1-containing inclusions in FALS patients and mutant SOD1-Tg mice.

Supporting Evidence

  • 14-3-3 proteins were found in the inclusions of anterior horn cells from FALS patients.
  • In mutant SOD1-Tg mice, increased immunoreactivity for 14-3-3 proteins was observed.
  • Double immunofluorescent staining showed co-localization of 14-3-3 proteins and SOD1.

Takeaway

This study looks at how certain proteins might be involved in a disease that affects the nerves, helping us understand why some people get sick.

Methodology

The study performed immunohistochemical analysis on postmortem brains and spinal cords from three FALS cases and transgenic mice.

Participant Demographics

Three male FALS patients aged 39, 46, and 66 years.

Digital Object Identifier (DOI)

10.1371/journal.pone.0020427

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