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610 results
  1. NLM Digital Collections - Human gene therapy for hemophilia 
    Publication: Silver Spring, MD : Center for Biologics Evaluation and Research, January 2020
    ... For GT products for hemophilia that express a variant protein with specific activity that deviates from normal, consider developing dedicated activity and antigen assays for the variant protein. Calibrate the factor activity and antigen assay standards ...
  2. ... previously appreciated. It appears to be a polymorphic protein, variant from species to species, barely detectable (if at all) in normal ac cells (except for undifferentiated EC cells), induced by ... t what is proabaly the a same protein in a host of m neoplastic cells by ...
  3. ... C car- bohydrate and a type-specific M protein. The capsulated variants differ from non-capsulated variants, however, by virtue ... Structure of Morphologic Variants of Pneumococcus Antigen Morphologic variant | C poly. M protein] SSS saccharide Non-filamentous capsulated + + + IID39S (fl— SVIIIs7) ...
  4. NLM Digital Collections - Bacterial Transformation Reactions 
    Publication: American Society for Microbiology, March 1952
    ... of different capsular types associated with the same protein. When an unencapsulated R variant of pneumococcus is grown in the presence of homologous anti-M protein serum or when an ER variant is selected from it by appropriate cultural techniques, ...
  5. ... glutamine amide groups to give a series of variant proteins differing in ionic charge distribution from the basic ...
  6. ... alternative method for obtaining cells deficient in M protein was sought by growing rough variants of pneumococcus II-R36NC according to the method ... serum broth. A Griffith rough variant containing M1 protein was obtained ... eight transfers. This variant was then exposed in viiro to a transforming ...
  7. NLM Digital Collections - Mixing, diluting, or repackaging biological products outside the scope of an approved ... 
    Publication: Silver Spring, MD : Center for Drug Evaluation and Research, January 2018
    ... Assay).  Product-related impurities including, at a minimum, protein aggregation, and variants in the size and charge of the protein49  ...
  8. NLM Digital Collections - Review of intramural research (1966) 
    Publication: [Bethesda, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health
    ... in nature. Biochemical Investigations 1. Pregnancy-associated plasma proteins. 2. Electrophoretic variants of leucocyte al- kaline phosphatase. 3. Inhibition studies ...
  9. NLM Digital Collections - Emergency Use Authorization for vaccines to prevent COVID-19 
    Publication: Silver Spring, MD : Center for Biologics Evaluation and Research, May 25, 2021
    ... improve virus fitness for transmission. SARS-CoV-2 variants that include mutations in the S protein were identified within a few months after the ... research focus. The emergence of SARS-CoV-2 variants with multiple mutations in the S protein in the United Kingdom (B.1.1.7 ...
  10. NLM Digital Collections - German military neuropsychiatry and neurosurgery 
    Publication: [London?] : Combined Intelligence Objectives Sub-Committee, [1945]
    ... performed in all such cases, since the organic variant frequently showed increased protein in the spinal fluid and a lesser increase ...
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