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. 2017 Sep 27;314(1):C3–C26. doi: 10.1152/ajpcell.00196.2017

Table 2.

Analytic detection of EO in mammals

Senior/Key Author(s) (Location) Year Source Material Analytical Method Reference
A. Positive detection of EO in mammals (published spectra/MS and NMR data)
     1. Hamlyn/Blaustein/DuCharme (Baltimore, MD/Kalamazoo, MI) 1991 Human Plasma MS (118)
     2. Mathews/DuCharme/Hamlyn (Kalamazoo/Baltimore) 1991 Human Plasma MS (199)
     3. Inagami/Tamura (Nashville, TN) 1994 Rat Urine MS, NMR (276)
     4. Doris (Lubbock, TX) 1994 Bovine Adrenal ——* (59)
     5. Defaye/Perrin (Grenoble, France) 1997 Bovine Adrenal MS (232)
     6. Schoner/Schneider (Giessen, Germany) 1998 Bovine Adrenal MS, NMR (256)
     7. Nakanishi/Kawamura/Haupert (New York, NY/Boston, MA) 1999 Bovine Hypothalamus NMR (149)
     8. Takahashi/Komiyama (Tokyo, Japan) 2000 Human Plasma MS (155)
     9. Manunta/Hamlyn/Pitzalis (Milan, Italy/Baltimore) 2005 Human Plasma MS (234)
    10. Hamlyn/Manunta (Baltimore/Milan) 2006 Human Plasma MS (191)
    11. Hamlyn/Jacobs (Baltimore/Milan) 2012 Rat Plasma MS (138)
    12. Hamlyn/Leenen/Blaustein (Baltimore/Ottawa, Canada) 2014 Rat Plasma MS (121)
    13. Hamlyn/Blaustein (Baltimore) 2016 Rat/Mouse Plasma MS (117)
B. Identification of EO isomers (published spectra)
    1. Hamlyn/Jacobs (Baltimore) 2012 Rat Plasma MS (138)
    2. Hamlyn/Leenen (Baltimore/Ottawa) 2014 Rat Plasma MS (121)
C. Did not identify EO in human samples
    1. Doris (Lubbock, TX) 1994 Human Plasma RIA (59)
    2. Nicholls/Lewis (Christchurch, New Zealand) 1994 Human Plasma ELISA (173)
    3. Hilton (London, UK) 1996 Human Placenta MS (126)
    4. Vogeser/Baecher (Munich) 2014 Human Plasma MS (12, 289)
*

Identified by elution pattern.

Not a definitive analytical method.

The MS trace signal is broken at ∼5.0 min in the original publication (Fig. 2, upper spectrum) (12), but an ion current at that position is shown in spectra from two patients later published in a letter to the editor (289) (and see Ref. 117 online supplement Fig. S7). That ion current had the same mass/charge ratio as ouabain but eluted 0.3 min ahead of ouabain.