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Yoshihide Kanno,Shinsuke Koshita,Takahisa Ogawa,Hiroaki Kusunose,Kaori Masu,Toshitaka Sakai,Keisuke Yonamine,Yujiro Kawakami,Yuki Fujii,Kazuaki Miyamoto,Toji Murabayashi,Fumisato Kozakai,Jun Horaguchi 대한소화기내시경학회 2019 Clinical Endoscopy Vol.52 No.6
Background/Aims: In this study, we aimed to evaluate the predictive value of localized stenosis of the main pancreatic duct (MPD) forearly detection of pancreatic cancer. Methods: Among 689 patients who underwent endoscopic retrograde pancreatography from January 2008 to September 2018, 19patients with MPD findings were enrolled. These patients showed findings for indicating suspicious pancreatic cancer at an early stage(FiCE); FiCE was defined as a single, localized stenosis in the MPD without a detectable mass (using any other imaging methods) andwithout other pancreatic diseases, such as definite chronic pancreatitis, intraductal papillary mucinous neoplasm, and autoimmunepancreatitis. Final diagnoses were established by examining resected specimens or through follow-up examinations after an interval of>5 years. Results: Among 19 patients with FiCE, 11 underwent surgical resection and 8 were evaluated after a >5-year observation period. Thefinal diagnosis of the MPD stenosis was judged to be pancreatic cancer in 9 patients (47%), including 3 with intraepithelial cancer, andto be a non-neoplastic change in 10. The sensitivity, specificity, and accuracy of preoperative pancreatic juice cytology were 75%, 100%,and 88%, respectively. Conclusions: The predictive value of FiCE for pancreatic cancer prevalence was 47%. Histological confirmation with pancreatic juicecytology is necessary before surgical resection.
Yoshihide Kanno,Shinsuke Koshita,Takahisa Ogawa,Hiroaki Kusunose,Kaori Masu,Toshitaka Sakai,Keisuke Yonamine,Kazuaki Miyamoto,Toji Murabayashi,Fumisato Kozakai,Jun Horaguchi,Yutaka Noda,Kei Ito 대한소화기내시경학회 2020 Clinical Endoscopy Vol.53 No.6
Background/Aims: The aim of this study was to evaluate outcomes of inside plastic stents (iPSs) versus those of metal stents (MSs) for treating unresectable perihilar malignant obstructions. Methods: For all patients who underwent endoscopic suprapapillary placement of iPS(s) or MS(s) as the first permanent biliary drainage for unresectable malignant perihilar obstructions between January 2014 and August 2019, clinical outcomes using iPSs (n=20) and MSs (n=85), including clinical efficacy, adverse events, and time to recurrence of biliary obstruction (RBO), were retrospectively evaluated. Results: There were no differences in clinical effectiveness (95% for the iPS group vs. 92% for the MS group, p=1.00). Procedure-related adverse events, including pancreatitis, acute cholangitis, acute cholecystitis, and death, were observed for 8% of the MS group, although no patient in the iPS group developed such adverse events. The median time to RBO was 561 days (95% confidence interval, 0–1,186 days) for iPSs and 209 days (127–291 days) for MSs, showing a significant difference (p=0.008). Conclusions: Time to RBO after iPS placement was significantly longer than that after MS placement. IPSs, which are removable, unlike MSs, were an acceptable option.
Yan, Wenjing,Kanno, Chihiro,Oshima, Eiki,Kuzuma, Yukiko,Kim, Sung Woo,Bai, Hanako,Takahashi, Masashi,Yanagawa, Yojiro,Nagano, Masashi,Wakamatsu, Jun-ichi,Kawahara, Manabu Elsevier 2017 Animal reproduction science Vol.185 No.-
<P><B>Abstract</B></P> <P>Improving sperm motility and viability are major goals to improve efficiency in the poultry industry. In this study, the effects of supplemental dietary turmeric by-product (TBP) from commercial turmeric production on sperm motility, viability, and antioxidative status were examined in domestic fowl. Mature Rhode Island Red roosters were divided into two groups – controls (groupC) without TBP administration and test subjects (groupT) fed a basal diet supplemented with 0.8g of TBP/day in a temperature-controlled rearing facility (Experiment 1) and 1.6g/day under heat stress (Experiment 2) for 4 weeks. In Experiment 1, TBP dietary supplementation increased the sperm motility variables straight-line velocity, curvilinear velocity, and linearity based on a computer-assisted semen analysis, 2 weeks following TBP supplementation. In Experiment 2, using flow cytometry, sperm viability at 3 and 4 weeks following TBP supplementation was greater in Group T than C, and this increase was consistent with a reduction in reactive oxygen species (ROS) production at 2 and 4 weeks. The results of both experiments clearly demonstrate that dietary supplementation with TBP enhanced sperm motility in the controlled-temperature conditions as well as sperm viability, and reduced ROS generation when heat stress prevailed. Considering its potential application in a range of environments, TBP may serve as an economical and potent antioxidant to improve rooster fertility.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Turmeric by-product (TBP) improves sperm properties in domestic fowl. </LI> <LI> Dietary TBP increases sperm motility and viability under a controlled temperature. </LI> <LI> Computer-assisted sperm analysis enabled a thorough analysis of the effects of TBP. </LI> <LI> TBP reduced ROS generation under heat stress. </LI> <LI> Our results indicated that TBP may effectively improve rooster fertility. </LI> </UL> </P>
Expression Analysis of an APETALA1/FRUITFULL-like Gene in Phalaenopsis sp. ‘Hatsuyuki’ (Orchidaceae)
송인자,Tatsuya Fukuda,고석민,Takuro Ito,Jun Yokoyama,Hiroyuki Ichikawa,Yoh Horikawa,Toshiaki Kameya,Akira Kanno,이효연 한국원예학회 2011 Horticulture, Environment, and Biotechnology Vol.52 No.2
Members of the APETALA1 (AP1)/FRUITFULL (FUL)-like gene family of MADS-box genes play important roles in controlling the development of floral organs. To understand the molecular mechanisms of floral development in orchid, we isolated and characterized a Phalaenopsis AP1/FUL-like gene, PhalFUL. The results of phylogenetic analysis indicated that PhalFUL is in the monocots group of AP1/FUL-like gene. PhalFUL transcripts were detected in the flower buds, but not in vegetative organs. Moreover, in situ hybridization experiments revealed PhalFUL hybridization signals in all floral organ primordia at a very early stage of floral development, and continued expression in the column of whorls 3 and 4 until late developmental stages. These expression patterns were similar to those of the FUL-like genes in Arabidopsis (FUL) and Antirrhinum (DEFH28), suggesting that the PhalFUL is similar in function to FUL and DEFH28.