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1983 (2)
1Author    Giuseppe Colacicco, A. Rthur, A. PillaRequires cookie*
 Title    Electromagnetic Modulation of Biological Processes: Bicarbonate Effect and M echanistic Considerations in the Ca-Uptake by Embryonal Chick Tibia in vitro  
 Abstract    Electromagnetically induced currents pulsating at very low frequency stim ulated calcium uptake by chick embryo tibia rudiments only when bicarbonate was present in the culture medium. A bicarbonate-dependent Ca2+-ATPase m ight be im plicated in coupling o f the electromagnetic signal with processes that promote Ca-transport and storage in bone tissue. 
  Reference    Z. Naturforsch. 38c, 465 (1983); received N ovem ber 29 1982/M arch 16 1983 
  Published    1983 
  Keywords    Pulsating Electromagnetic Fields, Ca-Uptake, O steogenesis, Bicarbonate, C a2+-ATPase 
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 TEI-XML for    default:Reihe_C/38/ZNC-1983-38c-0465.pdf 
 Identifier    ZNC-1983-38c-0465 
 Volume    38 
2Author    Giuseppe Colacicco, A. Rthur, A. PillaRequires cookie*
 Title    Electromagnetic M odulation of Biological Processes: ATPase Function and D NA Production by Raji Cancer Cells in vitro  
 Abstract    Addition o f either ATP or ouabain to the culture m edium markedly depressed thym idine incorporation into D N A in Raji cells. The electrom agnetic field, pulsating at very low frequency, did not affect D N A synthesis in normal culture m edia nor did it alter its ouabain-inhibition, but it partially reversed the ATP-inhibition. In spite o f the presence o f ATP, ouabain prevented stimulation o f ATPase and D N A synthesis by the field. Although no m echanism is known for the action o f either ATP or the field, the results may be interpreted in light o f existing speculations. In the absence o f the field, external ATP may go into an ATP pool that either blocks ATPase or feeds adenyl cyclase, which hinders D N A synthesis. In contrast, the electrom agnetic field may either turn o ff adenyl cyclase or sim ply stim ulate the 
  Reference    Z. Naturforsch. 38c, 468—470 (1983); received N ovem ber 29 1982/M arch 16 1983 
  Published    1983 
  Keywords    Pulsating Electromagnetic Fields, M embrane Coupling, Plasma M embrane ATPases, D N A Synthesis, Cell Proliferation 
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 TEI-XML for    default:Reihe_C/38/ZNC-1983-38c-0468.pdf 
 Identifier    ZNC-1983-38c-0468 
 Volume    38