![Fig. 2. AMs are relatively deficient in young but not adult Op/Op mice. / The numbers of AMs in BAL fluid recovered from Op/Op mice and littermate controls (aged 53-210 days) were determined from BAL total cell counts and differential cell staining. (A-B) AMnumbers were similar in adult Op/Op and age-matched littermate controls (n = 6/group; mean age, 149 ± 3.9 days [all mice older than 130 days]; P = .95). (A) Linear regression showed thatAM numbers in Op/Op mice did not change significantly with age (regression line and 95% confidence limits shown; R = 0.166; slope not significantly different from zero; P = .5). (B) A similar analysis showed that AM numbers in littermate control mice decreased significantly with age (slope, −515 ± 241 cells/mouse per day; R = 0.45; P = .046).](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/98/9/10.1182_blood.v98.9.2845/4/h82111718002.jpeg?Expires=1726821348&Signature=f4xruUNtIFbuOgfMqtB3-z4Fu~U9aL7Ch7pogstrEB5GW~aTUm7w5faPXz~89~aCzgRs09pEmIzCIZuMo3vh1XipuXp1Nec6CgbDMSdZjzN04Qh1K5tkASjJGTFI~w10GQqwuQf1pcgjqazZPnKQmMbl5m1AdIBNYD4IqfpdYFhqqs0BjTD~H2-8q3YclfRqRHR1fPnyEs~5rxBIPuHCCTQlA98I9Ii~6PZxTyyxmPF3~KCWOVTFpOpHa1CciDVU0bLNdD6aDpfMNttmCtfV2jd7mPfcpeDS80b~WNLDeKAzlbs7j0HFj13Hfgcp6LVvU-V4QnOiE5~Pbx2UegTN8w__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
AMs are relatively deficient in young but not adult Op/Op mice.
The numbers of AMs in BAL fluid recovered from Op/Op mice and littermate controls (aged 53-210 days) were determined from BAL total cell counts and differential cell staining. (A-B) AMnumbers were similar in adult Op/Op and age-matched littermate controls (n = 6/group; mean age, 149 ± 3.9 days [all mice older than 130 days]; P = .95). (A) Linear regression showed thatAM numbers in Op/Op mice did not change significantly with age (regression line and 95% confidence limits shown; R = 0.166; slope not significantly different from zero; P = .5). (B) A similar analysis showed that AM numbers in littermate control mice decreased significantly with age (slope, −515 ± 241 cells/mouse per day; R = 0.45; P = .046).
