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Kumagai, Hozumi,Kusaba, Hitoshi,Okumura, Yuta,Komoda, Masato,Nakano, Michitaka,Tamura, Shingo,Uchida, Mayako,Nagata, Kenichiro,Arita, Shuji,Ariyama, Hiroshi,Takaishi, Shigeo,Akashi, Koichi,Baba, Eishi Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.1
Background: Antiemetic triplet therapy including dexamethasone (DEX) is widely used for patients receiving highly emetogenic chemotherapy (HEC). In Japan, the appropriate dose of DEX has not been established for this combination. Materials and Methods: To assess the efficacy and safety of increased-dose DEX, we retrospectively examined patients receiving HEC with antiemetic triplet therapy. Results: Twenty-four patients (fosaprepitant group) were given an increased-dose of DEX (average total dose: 45.8mg), fosaprepitant, and 5-HT3 antagonist. A lower-dose of DEX (33.6mg), oral aprepitant, and 5-HT3 antagonist were administered to the other 48 patients (aprepitant group). The vomiting control rates in the fosaprepitant and aprepitant groups were 100% and 85.4% in the acute phase, and were 75.0% and 64.6% in the delayed phase. The incidences of toxicity were similar comparing the two groups. Conclusions: Triplet therapy using an increased-dose of DEX is suggested to be safe and effective for patients receiving HEC.
Kawakatsu, Taiji,Taramino, Graziana,Itoh, Jun-Ichi,Allen, Justin,Sato, Yutaka,Hong, Soon-Kwan,Yule, Ryan,Nagasawa, Nobuhiro,Kojima, Mikiko,Kusaba, Makoto,Sakakibara, Hitoshi,Sakai, Hajime,Nagato, Yasu Blackwell Publishing Ltd 2009 The Plant journal Vol.58 No.6
<P>Summary</P><P>Most aerial parts of the plant body are products of the continuous activity of the shoot apical meristem (SAM). Leaves are the major component of the aerial plant body, and their temporal and spatial distribution mainly determines shoot architecture. Here we report the identification of the rice gene <I>PLASTOCHRON3</I> (<I>PLA3</I>)/<I>GOLIATH</I> (<I>GO</I>) that regulates various developmental processes including the rate of leaf initiation (the plastochron). <I>PLA3</I>/<I>GO</I> encodes a glutamate carboxypeptidase, which is thought to catabolize small acidic peptides and produce small signaling molecules. <I>pla3</I> exhibits similar phenotypes to <I>pla1</I> and <I>pla2</I>– a shortened plastochron, precocious leaf maturation and rachis branch-to-shoot conversion in the reproductive phase. However, in contrast to <I>pla1</I> and <I>pla2</I>, <I>pla3</I> showed pleiotropic phenotypes including enlarged embryo, seed vivipary, defects in SAM maintenance and aberrant leaf morphology. Consistent with these pleiotropic phenotypes, <I>PLA3</I> is expressed in the whole plant body, and is involved in plant hormone homeostasis. Double mutant analysis revealed that <I>PLA1</I>, <I>PLA2</I> and <I>PLA3</I> are regulated independently but function redundantly. Our results suggest that PLA3 modulates various signaling pathways associated with a number of developmental processes.</P>