Table 3.
Amyotrophic Lateral Sclerosis Biospecimens by Type Appearing in National Institutes of Health RePORTER, Funded in 2010–2020 Numbers of Newly Funded Grants Citing Biospecimen Type Usage
| Total grants | Blood | Brain | CSF | DNA | Hair | iPSC | Muscle | Nerve | Other cell line | Plasma | RNA | Saliva | Serum | Skin | Spinal cord | Stool | Urine | Unclear | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010–2015 | 80 | 22 | 28 | 12 | 13 | 0 | 17 | 5 | 1 | 0 | 17 | 2 | 1 | 19 | 9 | 13 | 1 | 2 | 0 |
| 2016–2017 | 31 | 7 | 7 | 3 | 4 | 0 | 6 | 1 | 0 | 0 | 3 | 0 | 1 | 0 | 2 | 4 | 0 | 0 | 0 |
| 2017–2018 | 24 | 5 | 5 | 1 | 1 | 0 | 16 | 0 | 0 | 2 | 0 | 3 | 0 | 0 | 1 | 3 | 0 | 0 | 0 |
| 2018–2019 | 32 | 5 | 0 | 1 | 0 | 1 | 21 | 0 | 0 | 4 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 2 | 3 |
| 2019–2020 | 51 | 3 | 16 | 5 | 6 | 0 | 31 | 0 | 0 | 1 | 2 | 0 | 0 | 2 | 1 | 6 | 0 | 1 | 4 |
| Total | 218 | 42 | 56 | 22 | 24 | 1 | 91 | 6 | 1 | 7 | 22 | 6 | 2 | 23 | 14 | 26 | 1 | 5 | 7 |