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Hironori Kobayashi,Keiko Fujita,Shunji Suzuki,Tsutomu Takayanagi 한국식물생명공학회 2009 Plant biotechnology reports Vol.3 No.3
We investigated the transcriptional profiles of Japanese indigenous grape cultivar ‘Koshu’ (Vitis vinifera) leaf and berry skin during ripening. In leaf, 64 genes were abundantly transcribed at the end of ve´raison (14 weeks post-flowering), whereas the expression of 61 genes was upregulated at the end of ripening (20 weeks post-flowering). In berry skin, 67 genes were abundantly transcribed at the end of ve´raison, whereas the expression of 86 genes was upregulated at the end of ripening. Gene expression associated with biological processes was activated in both tissues at the end of ripening. The expression of genes associated with photosynthesis, sugar synthesis, anthocyanin synthesis, cinnamic acid synthesis, and amino acid metabolism was observed in leaf and berry skin during ripening, together with the accumulation of sugars, anthocyanins, cinnamic acids, and amino acids. Transcripts of AUX/IAA family proteins that repress the activities of auxin-induced proteins were expressed in berry skin at the end of ve´raison. Transcripts of genes related to the ubiquitin– proteasome system that degrades AUX/IAA family proteins were abundantly expressed in berry skin at the end of ripening, suggesting that the expansion of skin cells at ve´raison is suppressed by AUX/IAA family proteins, and that the ubiquitin–proteasome system induces the expansion of skin cells during ripening by degrading AUX/IAA family proteins. These transcriptional profiles, which provide new information on the characteristics of ‘Koshu’ grapevine during ripening, may explain the unique characteristics of ‘Koshu’ grape in comparison with those of European grapes used for winemaking, and may contribute to the improvement of ‘Koshu’ grape quality. We investigated the transcriptional profiles of Japanese indigenous grape cultivar ‘Koshu’ (Vitis vinifera) leaf and berry skin during ripening. In leaf, 64 genes were abundantly transcribed at the end of ve´raison (14 weeks post-flowering), whereas the expression of 61 genes was upregulated at the end of ripening (20 weeks post-flowering). In berry skin, 67 genes were abundantly transcribed at the end of ve´raison, whereas the expression of 86 genes was upregulated at the end of ripening. Gene expression associated with biological processes was activated in both tissues at the end of ripening. The expression of genes associated with photosynthesis, sugar synthesis, anthocyanin synthesis, cinnamic acid synthesis, and amino acid metabolism was observed in leaf and berry skin during ripening, together with the accumulation of sugars, anthocyanins, cinnamic acids, and amino acids. Transcripts of AUX/IAA family proteins that repress the activities of auxin-induced proteins were expressed in berry skin at the end of ve´raison. Transcripts of genes related to the ubiquitin– proteasome system that degrades AUX/IAA family proteins were abundantly expressed in berry skin at the end of ripening, suggesting that the expansion of skin cells at ve´raison is suppressed by AUX/IAA family proteins, and that the ubiquitin–proteasome system induces the expansion of skin cells during ripening by degrading AUX/IAA family proteins. These transcriptional profiles, which provide new information on the characteristics of ‘Koshu’ grapevine during ripening, may explain the unique characteristics of ‘Koshu’ grape in comparison with those of European grapes used for winemaking, and may contribute to the improvement of ‘Koshu’ grape quality.
Mitsuhiro Obara,Tsutomu Ishimaru,Tomomi Abiko,Daisuke Fujita,Nobuya Kobayashi,Seiji Yanagihara,Yoshimichi Fukuta 한국식물생명공학회 2014 Plant biotechnology reports Vol.8 No.3
The root is the sole organ taking up water andnutrients from soils. Hence, root system architecture (RSA)is important for enhancing high-level and stable rice(Oryza sativa L.) production. However, the geneticimprovement of RSA has received less attention than yieldand yield components. Here, we aimed to identify andcharacterize quantitative trait loci (QTLs) for RSA bydetermining the maximum root length (MRL) of seedlingsgrown hydroponically under various concentrations ofNH4?. We used a total of 280 introgression lines (ILs) withan Indica-type variety IR64 genetic background, consistingof ten sibling ILs groups, to detect the QTLs. Greatervariation of MRL was found in three sibling ILs groups. Intotal, five QTLs were detected by single marker analyses:two each on chromosomes 5 and 6 and one on chromosome7. Among them, the most effective QTL was detected on asegment derived from IR69093-41-2-3-2 (YP5), which waslocalized to the long-arm of chromosome 6. The QTL,designated as qRL6.4-YP5, concerned in root elongation. MRL and total root length of a near-isogenic line (NIL) forqRL6.4-YP5 were significantly (15.2–24.6 %) higher thanthose of IR64 over a wide range of NH4? concentrations. Root number and weight of the NIL were the same as thoseof IR64. These results indicated that qRL6.4-YP5 was aconstitutive QTL for root length in response to change innitrogen concentrations. To enhance yield potential byimproving RSA, qRL6.4-YP5 might help to improve rootdevelopment in rice molecular breeding programs withmarker-assisted selection.
Eiji Kondo,Kenta Yoshida,Tsutomu Tabata,Yoichi Kobayashi,Wataru Yamagami,Yasuhiko Ebina,Masanori Kaneuchi,Satoru Nagase,Hiroko Machida,Mikio Mikami 대한부인종양학회 2022 Journal of Gynecologic Oncology Vol.33 No.2
Objective: The study compared the treatment outcomes of surgery versus radiotherapy, including concurrent chemoradiotherapy, in stage Ib2–IIb cervical adenocarcinoma patients in Japan. Methods: Of 57,470 patients diagnosed with stage I–IV cervical cancer from January 2001– December 2011, 1,932 patients with stage Ib2–IIb cervical adenocarcinoma were initially treated by surgery or radiotherapy. The primary endpoint was 5-year overall survival (OS) in all and 614 propensity score-matched (PSM) patients (307 per group). We compared OS and prognosis factors based on age, primary stage, and treatment arm. Results: In Japan, >80% (n=1,573) of stage Ib2–IIb cervical adenocarcinoma patients underwent surgery. The 5-year OS of surgery vs. radiotherapy groups were 82.1% (n=704) vs. 79.7% (n=59) (hazard ratio [HR]=1.494; 95% confidence interval [CI]=0.826–2.702; p=0.181)for stage Ib2, 76.6% (n=239) vs. 66.7% (n=54) (HR=1.679; 95% CI=0.986–2.858; p=0.053)for stage IIa, and 71.1% (n=630) vs. 58.9% (n=246) (HR=1.711; 95% CI=1.341–2.184; p<0.001)for stage IIb. In 614 PSM patients balanced for age and carcinoma stage Ib2–IIb, the 5-year OS of surgery vs. radiation groups was 73.0% (n=307) vs. 65.5% (n=307) (HR=1.394; 95% CI=1.044–1.860; p=0.023).In multivariable analysis, age (HR=1.293; 95% CI=1.045–1.601; p=0.018), treatment arm, radiotherapy (HR=1.556; 95% CI=1.253–1.933; p<0.001), and stage IIb (HR=1.783; 95% CI=1.443–2.203; p=0.018) were independent prognosis factors for 5-year OS in stage Ib2–IIb adenocarcinoma patients. Conclusion: Age (>65 years), treatment arm (radiotherapy), and stage IIb significantly affect OS in cervical adenocarcinoma patients. Surgery may be considered for <65-year-old patients with stage IIb adenocarcinoma.
Japan Society of Gynecologic Oncology 2018 guidelines for treatment of uterine body neoplasms
Wataru Yamagami,Mikio Mikami,Satoru Nagase,Tsutomu Tabata,Yoichi Kobayashi,Masanori Kaneuchi,Hiroaki Kobayashi,Hidekazu Yamada,Kiyoshi Hasegawa,Hiroyuki Fujiwara,Hidetaka Katabuchi,Daisuke Aoki 대한부인종양학회 2020 Journal of Gynecologic Oncology Vol.31 No.1
The Fourth Edition of the Guidelines for Treatment of Uterine Body Neoplasm was published in 2018. These guidelines include 9 chapters: 1. Overview of the guidelines, 2. Initial treatment for endometrial cancer, 3. Postoperative adjuvant therapy for endometrial cancer, 4. Post-treatment surveillance for endometrial cancer, 5. Treatment for advanced or recurrent endometrial cancer, 6. Fertility-sparing therapy, 7. Treatment of uterine carcinosarcoma and uterine sarcoma, 8. Treatment of trophoblastic disease, 9. Document collection; and nine algorithms: 1-3. Initial treatment of endometrial cancer, 4. Postoperative adjuvant treatment for endometrial cancer, 5. Treatment of recurrent endometrial cancer, 6. Fertility-sparing therapy, 7. Treatment for uterine carcinosarcoma, 8. Treatment for uterine sarcoma, 9. Treatment for choriocarcinoma. Each chapter includes overviews and clinical questions, and recommendations, objectives, explanation, and references are provided for each clinical question. This revision has no major changes compared to the 3rd edition, but does have some differences: 1) an explanation of the recommendation decision process and conflict of interest considerations have been added in the overview, 2) nurses, pharmacists and patients participated in creation of the guidelines, in addition to physicians, 3) the approach to evidence collection is listed at the end of the guidelines, and 4) for clinical questions that lack evidence or clinical validation, the opinion of the Guidelines Committee is given as a “Recommendations for tomorrow”.
Hiroko Machida,Koji Matsuo,Yoichi Kobayashi,Mai Momomura,Fumiaki Takahashi,Tsutomu Tabata,Eiji Kondo,Wataru Yamagami,Yasuhiko Ebina,Masanori Kaneuchi,Satoru Nagase,Mikio Mikami 대한부인종양학회 2022 Journal of Gynecologic Oncology Vol.33 No.3
Objective: To assess the efficacy of the FIGO 2018 classification system for nodal-specific classifications for early-stage cervical cancer; specifically, to examine the impact of nodal metastasis on survival and the effect of postoperative treatments, according to histological subtypes. Methods: This society-based retrospective observational study in Japan examined 16,539 women with the 2009 FIGO stage IB1 cervical cancer who underwent primary surgical treatment from 2004 to 2015. Associations of cause-specific survival (CSS) with nodal metastasis and postoperative adjuvant therapy were examined according to histology type (squamous cell carcinoma [SCC], n=10,315; and non-SCC, n=6,224). Results: The nodal metastasis rate for SCC was higher than that for non-SCC (10.7% vs. 8.3%, p<0.001). In multivariable analysis, the impact of nodal metastasis on CSS was greater for non-SCC tumors (adjusted-hazard ratio [HR], 3.11; 95% confidence interval [CI], 2.40– 4.02) than for SCC tumors (adjusted-HR, 2.20; 95% CI, 1.70–2.84; p<0.001). Propensity score matching analysis showed significantly lower CSS rates for women with pelvic nodal metastasis from non-SCC tumors than from SCC tumors (5-year CSS rate, 75.4% vs. 90.3%, p<0.001).The CSS rates for women with nodal metastasis in SCC histology were similar between the postoperative concurrent chemoradiotherapy/radiotherapy and chemotherapy groups (89.2% vs. 86.1%, p=0.42), whereas those in non-SCC histology who received postoperative chemotherapy improved the CSS (74.1% vs. 67.7%, p=0.043). Conclusion: The node-specific staging system in the 2018 FIGO cervical cancer classification is applicable to both non-SCC tumors and SCC tumors; however, the prognostic significance of nodal metastases and efficacy of postoperative therapies vary according to histology.