scholarly journals Incorporation and excretion processes of hematoporphyrin derivative into malignant tumor cells in vitro.

1987 ◽  
Vol 15 (8) ◽  
pp. 606-612
Author(s):  
Mikio YAMASHITA ◽  
Takahisa TOMONO ◽  
Shunsuke KOBAYASHI ◽  
Kenji TORIZUKA ◽  
Takuzo OTANI ◽  
...  
Keyword(s):  
Tumor Cells ◽  
Malignant Tumor ◽  
Hematoporphyrin Derivative

PICOSECOND FLUORESCENCE SPECTROSCOPY ON INCORPORATION PROCESSES OF HEMATOPORPHYRIN DERIVATIVE INTO MALIGNANT TUMOR CELLS in vitro

1988 ◽  
Vol 47 (2) ◽  
pp. 189-192 ◽  
Author(s):  
MIKIO YAMASHITA ◽  
TAKAHISA TOMONO ◽  
SHYUNSUKE KOBAYASHI ◽  
KENJI TORIZUKA ◽  
KATSUO AIZAWA ◽  
...  
Keyword(s):  
Fluorescence Spectroscopy ◽  
Tumor Cells ◽  
Malignant Tumor ◽  
Hematoporphyrin Derivative

scholarly journals Reversibility of acid and alkaline deoxyribonuclease deficiency in malignant tumor cells.

1981 ◽  
Vol 29 (9) ◽  
pp. 1053-1060 ◽  
Author(s):  
H S Taper
Keyword(s):  
Tumor Cells ◽  
Malignant Tumor ◽  
Tumor Necrosis ◽  
Lead Nitrate ◽  
Dnase Activity ◽  
Masking Effect ◽  
Experimental Conditions ◽  
Early Stages ◽  
Acid Dnase

The nature of DNAse deficiency, which appears to be characteristic for malignant tumor cells, was investigated by the histochemical lead nitrate technique under various experimental conditions. Reappearance of distinct alkaline and acid DNAse activity was observed on the periphery of spontaneously occurring tumor necrosis, at early stages of the in vitro induced tumor necrosis, in necrotic tumor cells after in vivo irradiation and after in vitro treatment with different compounds. A membrane releaser did not reactivate DNAses in viable tumor cells, whereas the homogenate from tumor tissue inhibited DNAses in normal rat liver. These findings indicate that alkaline and acid DNAse deficiency in malignant tumor cells is a reversible phenomenon. This reversal of enzymatic activity has different histochemical and chronological patterns and specific reactivating factors for each DNAse. The masking effect of DNAse activity in malignant tumor cells is probably linked to natural enzyme inhibitors and its reversal to early stages of tumor necrosis.

scholarly journals Inhibitory effects of adenovirus mediated Akt1 and PIK3R1 shRNA on the growth of malignant tumor cells in vitro and in vivo

2009 ◽  
Vol 8 (11) ◽  
pp. 1002-1009 ◽  
Author(s):  
Yanchao Fu ◽  
Qingyu Zhang ◽  
Chunsheng Kang ◽  
Jing Zhang ◽  
Kairu Zhang ◽  
...  
Keyword(s):  
Tumor Cells ◽  
Malignant Tumor ◽  
Inhibitory Effects

The relationship between Ga-67 accumulation and cell cycle in malignant tumor cells in vitro

1988 ◽  
Vol 14 (3) ◽  
pp. 155-158 ◽  
Author(s):  
Tomomitsu Higashi ◽  
Hiromi Wakao ◽  
Masuji Yamaguchi ◽  
Koreaki Suga
Keyword(s):  
Cell Cycle ◽  
Tumor Cells ◽  
Malignant Tumor ◽  
The Relationship

scholarly journals IN VITRO EFFECTS OF EPIDERMAL GROWTH FACTOR (EGF) ON GROWTH OF UROLOGICAL MALIGNANT TUMOR CELLS

1990 ◽  
Vol 81 (10) ◽  
pp. 1487-1493
Author(s):  
Tomotaka Hattori ◽  
Yasunori Terashima ◽  
Makoto Hara ◽  
Masao Akimoto
Keyword(s):  
Growth Factor ◽  
Epidermal Growth Factor ◽  
Tumor Cells ◽  
Malignant Tumor ◽  
Epidermal Growth ◽  
In Vitro Effects

Enhancement of Hematoporphyrin Derivative Uptake in Vitro and in Vivo by Tumor Cells in the Presence of Lanthanum

1985 ◽  
Vol 71 (1) ◽  
pp. 39-43 ◽  
Author(s):  
Marie-Christine Crone-Escanye ◽  
Léopold J. Anghileri ◽  
Jacques Robert
Keyword(s):  
Tumor Cells ◽  
Hematoporphyrin Derivative
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