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Four new sesquiterpenes from Petasites formosanus.
Four new eremophilane-type sesquiterpenes, petasones A (1) and B (2), S-petasitin (3), and petasinol (4), were isolated from the aerial parts of Petasites formosanus. Their structures were elucidated… Expand
Growth regulation by all-trans-retinoic acid and retinoic acid receptor messenger ribonucleic acids expression in gastric cancer cells.
Retinoic acid has been recognised as a pivotal compound in cell differentiation, proliferation and malignant transformation. We investigated the effects of all-trans-retinoic acid on cell growth and… Expand
Selective induction of apoptosis of NB4 cells from G2+M phase by sodium arsenite at lower doses
Abstract: Apoptosis of NB4 cells induced by sodium arsenite and arsenate was studied using flow cytometry and DNA gel electrophoresis in order to investigate their effects on cell cycle and determine… Expand
A 346-Base Pair Region of the Mouse γ-Glutamyl Transpeptidase Type II Promoter Contains Sufficient Cis-acting Elements for Kidney-restricted Expression in Transgenic Mice*
- A. Sepulveda, S. L. Huang, R. Lebovitz, M. Lieberman
- Biology, Medicine
- The Journal of Biological Chemistry
- 2 May 1997
The mouse γ-glutamyl transpeptidase (GGT) gene encodes seven distinct mRNAs that are transcribed from seven separate promoters. Type II mRNA is the most abundant in kidney. We have developed a cell… Expand
New diterpenes from the heartwood of Chamaecyparis obtusa var. formosana.
An abietane diterpene, 11,14-dihydroxy-8,11,13-abietatrien-7-one (1); a seco-abietane diterpene, obtuanhydride (2); and an isopimarane diterpene, 18,19-O-isopropylidene-18,… Expand
Comparison of appendectomy medical expense and clinical outcome between fee for service and prospective payment system.
Since the introduction of national health insurance on March 1st 1995 in Taiwan, another 9 items (including appendectomy) were introduced into the Taiwan/prospective payment system (T/PPS). The… Expand
Genetic effects of crocidolite asbestos in Chinese hamster lung cells.
Chinese hamster lung cells cultured in the presence of crocidolite asbestos displayed inhibition of cell growth. Cell death was directly associated with the phagocytosis of larger fibres as observed… Expand
The mutability of the minute loci of Drosophila melanogaster with ethyl methanesulfonate.
It has been suggested that the Minute loci of Drosophila melanogaster are the redundant structural loci for the transfer RNA's . To inquire whether the Minute loci differed from other loci in… Expand
Subcellular phototoxicity of 5‐aminolaevulinic acid (ALA)
5‐aminolaevulinic acid (ALA) is a new, promising photosensitizer for PDT of cancer. Subcellular toxicity induced by ALA and light exposure in single cells was studied to elucidate the mechanism of… Expand
[Studies on the sapogenins and prosapogenins in Ardisia pusilla A. DC].
- Q. Zhang, S. L. Huang, X. Wang
- Chemistry, Medicine
- Zhongguo Zhong yao za zhi = Zhongguo zhongyao…
- 1 September 1993
Two new saponins were isolated from Ardisia pusilla and proved to have marked immunological function and antitumor activity. Acidic hydrolysis of saponin I gave five sapogenins and two prosapogenins.… Expand