Table 2.
Frequencies of all detected SP-B peptides
| SP-B peptide | CON |
RDS |
||
|---|---|---|---|---|
| AD (n = 5) | ED (n = 21) | AD (n = 14) | ED (n = 61) | |
| M42 | 2 | 7 | ||
| M40 | 1* | 4 | 3 | 8 |
| M38 | 1 | 1 | ||
| M36 | 2 | |||
| M34 | 1 | 1 | 1 | 2 |
| M32 | 1 | 3 | 3 | |
| M30 | 1 | 2 | ||
| M29 | 2 | 3 | ||
| M28 | 2 | 3 | 12 | |
| M27 | 1 | 2 | 8 | |
| M26 | 1 | 1 | 3 | |
| M25 | 2 | 1 | 3 | |
| M24 | 2 | 15 | 10 | 55 |
| M23 | 1 | 6 | ||
| M22 | 1 | |||
| M21 | 5 | 21 | 9 | 44 |
| M19 | ||||
| M17 | 1 | 1 | 4 | |
| M16 | 1 | 5 | ||
| M15 | 1 | 1 | 2 | |
| M14 | 1 | 1 | 1 | |
| M13 | 1 | 1 | ||
| P42 | 1 | 6 | 6 | 28 |
| P40 | 2 | 10 | 7 | 26 |
| P36 | 1 | |||
| P28 | 2 | |||
| P27 | 1 | |||
| P26 | 1 | |||
| P25 | 2 | 1 | ||
| P24 | 4 | 21 | 14 | 59 |
| P21 | 1 | 1 | ||
| P20 | 1 | 2 | 15 | |
| P19 | 1 | 2 | 2 | 18 |
| P18 | 1 | 2 | ||
| P17 | 5 | 13 | 3 | 28 |
| P16 | 1 | 1 | 2 | |
| P15 | 3 | 14 | 8 | 39 |
| P13 | 1 | 1 | ||
| P12 | 1 | 3 | ||
| P11 | 1 | 2 | 4 | |
| P10 | 2 | |||
SP-B peptides are designated by M (detected by antibody to mature SP-B) or P (detected by antibody to pro-SP-B) and their molecular mass (Mr) in kDa.
CON = Control infants;
RDS = RDS infants;
AD = African descent;
ED = European descent.
* Denotes number of individuals with each peptide.