Abstract
WE have previously described the extraction from the anterior pituitary of two substances that affect the activity of the reticulo-endothelial system1,2,3. One (negative restropic factor) lowers the functional level of the reticulo-endothelial system, the other raises it (positive factor). We have now found that fresh blood (from rabbit or horse) also contains a positive restropic substance. It can be prepared by the methods already applied to extraction of anterior pituitary3. We have not yet found any difference, chemical or biological, between positive restropic extracts from blood and pituitary respectively.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
Similar content being viewed by others
References
NATURE, 140, 149 (July 24, 1937).
NATURE, 137, 357 (Feb. 29, 1936).
Phys. Rev., 53, 68 (1938).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
WETZLER-LIGETI, C., WIESNER, B. Restropic Activity of Blood. Nature 141, 1100–1101 (1938). https://doi.org/10.1038/1411100b0
Published:
Issue Date:
DOI: https://doi.org/10.1038/1411100b0
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.