New In Vitro Models to Study Amyotrophic Lateral Sclerosis.

Area of Science:

• Neuroscience
• Genetics
• Cell Biology

Background:

• Amyotrophic Lateral Sclerosis (ALS) involves motor neuron loss and contributions from non-neuronal cells like astrocytes and microglia.
• Pathogenesis is driven by both cell-autonomous and non-cell autonomous mechanisms.
• Genetic discoveries, including TARDBP, FUS, and C9ORF72 mutations, have provided new insights into familial ALS.

Purpose of the Study:

• To review the use of human in vitro models in ALS research since 2007.
• To highlight discoveries stemming from these models.
• To discuss how technological and genetic advancements have expanded ALS research.

Main Methods:

• Review of scientific literature from 2007 to present.
• Focus on induced pluripotent stem cells (iPSCs) and their applications in modeling ALS.
• Analysis of genetic discoveries linked to ALS pathogenesis.

Main Results:

• Human in vitro models, particularly iPSC-derived motor neurons, have become crucial for studying ALS.
• These models enable the investigation of both familial and sporadic ALS cases.
• Technological advancements have enhanced the ability to generate and utilize these models.

Conclusions:

• Human in vitro models, combined with genetic insights, have revolutionized ALS research.
• The development of iPSC technology has been pivotal in modeling diverse ALS forms.
• Future research benefits from these integrated approaches for understanding and potentially treating ALS.