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'temperature' in keywords Facet   Publication Year 1979  [X]
Facet   section ZfN Section C:Volume 034  [X]
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1Author    Jürgen Van Der Bosch, Ilse Sommer, Heinz Maier, Willy RahmigRequires cookie*
 Title    Density-Dependent Growth Adaptation Kinetics in 3T 3 Cell Populations Following Sudden [Ca2+] and Temperature Changes. A Comparison with SV40-3T3 Cells  
 Abstract    Lowered extracellular [Ca2+ ] causes low growth rates and low stationary cell densities in 3T3 cell cultures as compared to physiological [Ca2+ ]. Under otherwise constant conditions the extra­ cellular [Ca2+ ] determines a stable stationary cell density, which can be readied by increase of net cell number or decrease of net cell number, depending on cell density at the time of [Ca2+ ] adjustment. SV40-3T3 cells do not show this [Ca2+] dependency. At 39 °C 3T3 and SV40-3T3 cell populations show an increased growth rate at low cell densities as compared to cell popula­ tions at 35 °C. Approaching the stationary density the growth rate of both cell sorts is reduced faster at 39 °C than at 35 °C, leading to lower stationary cell densities at 39 °C than at 35 °C. A temperature change from 39 °C to 35 °C or in the opposite direction can affect the stationary cell density of 3T3 cell populations only if applied before reduction of growth rate by density-dependent growth-inhibiting principles has taken place. 
  Reference    Z. Naturforsch. 34c, 279 (1979); received December 19 1978 
  Published    1979 
  Keywords    Ca2+, Temperature, Growth Control, 3T3 Cell, SV40-3T3 Cell 
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 TEI-XML for    default:Reihe_C/34/ZNC-1979-34c-0279.pdf 
 Identifier    ZNC-1979-34c-0279 
 Volume    34