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| 1 | Role of vitamin D in diabetes mellitus and chronic kidney disease显示文摘Approximately 30%-50% of people are recognized to have low levels of vitamin D,and insufficiency and deficiency of vitamin D are recognized as global health problems worldwide.Although the presence of hypovitamin D increases the risk of rickets and fractures,low vitamin D levels are also associated with hypertension,cancer,and cardiovascular disease.In addition,diabetes mellitus(DM) and chronic kidney disease(CKD) are also related to vitamin D levels.Vitamin D deficiency has been linked to onset and progression of DM.Although in patients with DM the relationship between vitamin D and insulin secretion,insulin resistance,and β-cell dysfunction are pointed out,evidence regarding vitamin D levels and DM is contradictory,and well controlled studies are needed.In addition,vitamin D influences the renin-angiotensin system,inflammation,and mineral bone disease,which may be associated with the cause and progression CKD.There is increasing evidence that vitamin D deficiency may be a risk factor for DM and CKD;however,it remains uncertain whether vitamin D deficiency also predisposes to death from DM and CKD.Although at this time,supplementation with vitamin D has not been shown to improve glycemic control or prevent incident DM,clinical trials with sufficient sample size,study periods,and optimal doses of vitamin D supplementation are still needed.This review focuses on the mechanism of vitamin D insufficiency and deficiency in DM or CKD,and discusses the current evidence regarding supplementation with vitamin D in patients with these diseases. | Akio Nakashima Keitaro Yokoyama Takashi Yokoo Mitsuyoshi Urashima | 2016 | World Journal of Diabetes2016，7，5： | 12 |
| 2 | Considerations of elderly factors to manage the complication of liver cirrhosis in elderly patients显示文摘The aging of the organ function causes sensitivity to the disease progression and need careful consideration for the medical treatment. With the increase of aging population, the opportunity to provide medical treatment for people in very old age is rapidly increasing therefore, the understanding of the various physiological changes of cellular function, size and function of organs are essential for the decision of therapeutic options. Among the various chronic conditions seen in elderly people, we have focused on liver cirrhosis, since despite specific therapeutic options for many of liver diseases including direct acting antivirals for hepatitis C virus, nucleoside analogs for hepatitis B, and corticosteroids for autoimmune hepatitis, there is currently no standard therapy to treat liver cirrhosis, which is the final stage of these liver diseases. Therefore,management of the various symptoms of liver cirrhosis is essential, and agingrelated parameters must be considered in the decision making for therapeutic strategies and dosage of the available medicine. In this mini-review, we have summarized the therapeutic options to manage various symptoms of liver cirrhosis, carefully considering the physiological changes of various organs associated with aging. | Kenya Kamimura Akira Sakamaki Hiroteru Kamimura Toru Setsu Takeshi Yokoo Masaaki Takamura Shuji Terai | 2019 | World Journal of Gastroenterology2019，25，15： | 9 |
| 3 | Significance of functional hepatic resection rate calculated using 3D CT/^(99m)Tc-galactosyl human serum albumin singlephoton emission computed tomography fusion imaging显示文摘AIM: To evaluate the usefulness of the functional hepatic resection rate(FHRR) calculated using 3D computed tomography(CT)/^(99m)Tc-galactosyl-human serum albumin(GSA) single-photon emission computed tomography(SPECT) fusion imaging for surgical decision making. METHODS: We enrolled 57 patients who underwent bi- or trisectionectomy at our institution between October 2013 and March 2015. Of these, 26 patients presented with hepatocellular carcinoma, 12 with hilar cholangiocarcinoma, six with intrahepatic cholangiocarcinoma, four with liver metastasis, and nine with other diseases. All patients preoperatively underwent three-phase dynamic multidetector CT and ^(99m)Tc-GSA scintigraphy. We compared the parenchymal hepatic resection rate(PHRR) with the FHRR, which was defined as the resection volume counts per total liver volume counts on 3D CT/^(99m)Tc-GSA SPECT fusion images.RESULTS: In total, 50 patients underwent bisectionectomy and seven underwent trisectionectomy.Biliary reconstruction was performed in 15 patients, including hepatopancreatoduodenectomy in two. FHRR and PHRR were 38.6 ± 19.9 and 44.5 ± 16.0, respectively; FHRR was strongly correlated with PHRR. The regression coefficient for FHRR on PHRR was 1.16(P < 0.0001). The ratio of FHRR to PHRR for patients with preoperative therapies(transcatheter arterial chemoembolization, radiation, radiofrequency ablation, etc.), large tumors with a volume of > 1000 m L, and/or macroscopic vascular invasion was significantly smaller than that for patients without these factors(0.73 ± 0.19 vs 0.82 ± 0.18, P < 0.05). Postoperative hyperbilirubinemia was observed in six patients. Major morbidities(Clavien-Dindo grade ≥ 3) occurred in 17 patients(29.8%). There was no case of surgeryrelated death.CONCLUSION: Our results suggest that FHRR is an important deciding factor for major hepatectomy, because FHRR and PHRR may be discrepant owing to insufficient hepatic inflow and congestion in patients with preoperative therapies, macroscopic vascular invasion, and/or a tumor volume of > 1000 m L. | Yosuke Tsuruga Toshiya Kamiyama Hirofumi Kamachi Shingo Shimada Kenji Wakayama Tatsuya Orimo Tatsuhiko Kakisaka Hideki Yokoo Akinobu Taketomi | 2016 | World Journal of Gastroenterology2016，22，17： | 6 |
| 4 | Liver-targeted hydrodynamic gene therapy: Recent advances in the technique显示文摘One of the major research focuses in the field of gene therapy is the development of clinically applicable, safe, and effective gene-delivery methods. Since the first case of human gene therapy was performed in 1990, a number of gene-delivery methods have been developed, evaluated for efficacy and safety, and modified for human application. To date, viral-vectormediated deliveries have shown effective therapeutic results. However, the risk of lethal immune response and carcinogenesis have been reported, and it is still controversial to be applied as a standard therapeutic option. On the other hand, delivery methods for nonviral vector systems have been developed, extensively studied, and utilized in in vivo gene-transfer studies. Compared to viral-vector mediated gene transfer, nonviral systems have less risk of biological reactions. However, the lower gene-transfer efficiency was a critical hurdle for applying them to human gene therapy. Among a number of nonviral vector systems, our studies focus on hydrodynamic gene delivery to utilize physical force to deliver naked DNA into the cells in the living animals. This method achieves a high gene-transfer level by DNA solution injections into the tail vein of rodents, especially in the liver. With the development of genome editing methods, in vivo gene-transfer therapy using this method is currently the focus in this research field. This review explains the method principle, efficiency, safety, and procedural modifications to achieve a high level of reproducibility in large-animal models. | Takeshi Yokoo Kenya Kamimura Hiroyuki Abe Yuji Kobayashi Tsutomu Kanefuji Kohei Ogawa Ryo Goto Masafumi Oda Takeshi Suda Shuji Terai | 2016 | World Journal of Gastroenterology2016，22，40： | 3 |
| 5 | Rational arrangement of measuring shear wave speed in the liver显示文摘BACKGROUND Shear wave speed has been widely applied to quantify a degree of liver fibrosis. However, there is no standardized procedure, which makes it difficult to utilize the speed universally. AIM To provide procedural standardization of shear wave speed measurement. METHODS Point shear wave elastography (pSWE) was measured in 781 patients, and twodimensional shear wave elastography (2dSWE) was measured on the same day in 18 cases. Regions-of-interest were placed at 12 sites, and the median and robust coefficient-of-variation (CVR) were calculated. A residual sum-of-square (Σdi2) was computed for bootstrap values of 1000 iterations in 18 cases with each assumption of 1 to 12 measurements. The proportion of the Σdi2 (%Σdi2) was calculated as the ratio of Σdi2 to pSWE after converting it based on the correlation between pSWE and 2dSWE. RESULTS The CVR showed a significantly broader distribution in the left lobe (P < 0.0001),and the smallest CVR in the right anterior segment that covered 95% cases was 40.4%. pSWE was significantly higher in the left lobe than in the right lobe (1.63 ± 0.78 m/s vs 1.61 ± 0.78 m/s, P = 0.0004), and the difference between the lobes became further discrete when the subjects were limited to the cases with a CVR less than 40.4% in any segment (1.76 ± 0.80 m/s vs 1.70 ± 0.82 m/s, P < 0.0001). The highest values of the CVR in every 0.1 m/s interval were plotted in convex upward along pSWE and peaked at 1.93 m/s. pSWE and 2dSWE were significantly correlated (P < 0.0001, r = 0.95). In 216000 resamples from 18 cases, the %Σdi2 of 12 sites was 8.0% and gradually increased as the acquisition sites decreased to reach a significant difference with a %Σdi2 of 7 sites (P = 0.027). CONCLUSION These data suggest that shear wave speed should be measured at 8 or more sites of spreading in both lobes. | Takeshi Yokoo Tsutomu Kanefuji Takeshi Suda Itsuo Nagayama Takahiro Hoshi Satoshi Abe Shinichi Morita Hiroteru Kamimura Kenya Kamimura Atsunori Tsuchiya Masaaki Takamura Kazuyoshi Yagi Shuji Terai | 2019 | World Journal of Gastroenterology2019，25，20： | 3 |
| 6 | Spermatogenesis in aged rats after prenatal 3,3′,4,4′,5-pentachlorobiphenyl exposure显示文摘 | Shin Wakui Fumio Takagi Tomoko Muto Kiyofumi Yokoo Shyou Hirono Yasuko Kobayashi Kinji Shirota Fumiaki Akahori Yoshihiko Suzuki Hiroshi Hano Hitoshi Endou Yoshikatsu Kanai | 2007 | Toxicology2007，，2： | 3 |
| 7 | Perioperative Management of Hepatic Resection Toward Zero Mortality and Morbidity: Analysis of 793 Consecutive Cases in a Single Institution显示文摘 | Toshiya Kamiyama Kazuaki Nakanishi Hideki Yokoo Hirofumi Kamachi Munenori Tahara Kenichiro Yamashita Masahiko Taniguchi Tsuyoshi Shimamura Michiaki Matsushita Satoru Todo | 2010 | Journal of the American College of Surgeons2010，，4： | 2 |
| 8 | α-fetoprotein,vascular endothelial growth factor receptor-1 and early recurrence of hepatoma显示文摘AIM:To investigate whether α-fetoprotein (AFP) and vascular endothelial growth factor receptor (VEGFR)-1 correlate with early recurrence of hepatoma/hepatocel-lular carcinoma (HCC).METHODS:From 2000 to 2005,114 consecutive pa-tients with HCC underwent primary curative hepatecto-my.The mean age was 60.7 (8.7) years and 94 patients were male.The median follow-up period was 71.2 mo (range:43-100 mo).Immediately prior to commencing laparotomy,5 mL bone marrow was aspirated from thesternum and collected in citrate-coated test tubes.The initial 2 mL of bone marrow aspirate was discarded in each case.AFP mRNA and VEGFR-1 mRNA in the bone marrow and peripheral blood (BM-and PH-AFP mRNA and BM-and PH-VEGFR-1 mRNA,respectively) were measured by real-time quantitative reverse transcription polymerase chain reaction.As normal controls,VEGFR-1 mRNA in the bone marrow and peripheral blood was also measured in 11 living liver donors.These data were evaluated for any correlation with early recurrence,comparing clinical and pathological outcomes.RESULTS:The cut-off value of the BM-AFP mRNA and PH-AFP mRNA level in patients with HCC was set at 1.92 × 10-7 and zero,respectively,based on data from the controls.A total of 34 (29.8%) and six (5.4%) patients were positive for BM-AFP mRNA and PH-AFP mRNA,respectively.The BM-VEGFR-1 mRNA levels in all HCC patients were higher than those in the normal con-trols,and this was the case also for PH-VEGFR-1mRNA.The 25-percentile values for the BM-and PH-VEGFR-1 mRNA in HCC patients were used as the cut-off values for assigning the patients into two groups based on these transcript levels.The High group for BM-VEG-FR-1 mRNA contained 81 (71.1%) HCC cases and the Low group was assigned 33 (28.9%) patients.These numbers for PH-VEGFR-1mRNA were 78 (75.0%) and 26 (25.0%),respectively.HCC recurred in 80 patients;in the remnant liver in 48 cases,in the remnant liver and remote tissue in 20,and in the remote tissue alone in 12.BM-AFP mRNA-positive cases showed a signifi-cantly higher rate of early recurrence (within 1 year of surgical treatment) compared with BM-AFP mRNA-negative patients (P=0.0091).Patients were classified into four groups according to the level/status of their BM-VEGFR-1 and BM-AFP mRNA as follows:group A (n=23),BM-VEGFR-1/BM-AFP mRNA=low/negative;group B (n=57) high/negative;group C (n=10) low/positive;group D (n=24),high/positive.This classifi-cation was found to correlate with a recurrence of thisdisease within 1 year (P=0.0228).The disease-free survival curve of group A was significantly better than that of groups B,C or D (P=0.0437,P=0.0325,P=0.0225).No other classification (i.e.,PH-VEGF-R1/BM-AFP,BM-VEGF-R1/PH-AFP,and PH-VEGF-R1/PH-AFP mRNA) showed such a correlation.CONCLUSION:The evaluation of BM-AFP and BM-VEG-FR-1 mRNA in patients with HCC may be a valuable pre-dictor of disease recurrence following curative resection. | Toshiya Kamiyama Masato Takahashi Kazuaki Nakanishi Hideki Yokoo Hirofumi Kamachi Nozomi Kobayashi Michitaka Ozaki Satoru Todo | 2012 | World Journal of Gastroenterology2012，18，4： | 2 |
| 9 | Perioperative Management of Hepatic Resection Toward Zero Mortality and Morbidity: Analysis of 793 Consecutive Cases in a Single Institution显示文摘 | Toshiya Kamiyama Kazuaki Nakanishi Hideki Yokoo Hirofumi Kamachi Munenori Tahara Kenichiro Yamashita Masahiko Taniguchi Tsuyoshi Shimamura Michiaki Matsushita Satoru Todo | 2010 | Journal of the American College of Surgeons2010，，4： | 2 |
| 10 | Human corneal epithelial equivalents for ocular surface reconstruction in a complete serumfree culture system without unknown factors显示文摘 | Yokoo S Yawagami S Usui T | 2008 | Invest Ophthahol Vis Sic2008，49，6： | 1 |
| 11 | The effect of fuel feeding method on performance of SOFC-PEFC system显示文摘 | Yokoo M Watanabe K | 2006 | Journal of Power Sources2006，159，2： | 1 |
| 12 | c-Jun/Ap-1, but not NF-κB is a mediator for oxidant-initiated apoptosis in glomerular mesangial cells 显示文摘 | Ishikawa Y Yokoo T Kitamura M | 1997 | Biochem Biophys Res Commun1997，240，2： | 1 |
| 13 | Voiding dysfunction in ileal neobladder显示文摘 | Mikuma N Hirose T Yokoo A | 1997 | J Urol1997，158，： | 1 |
| 14 | Differential expression of bone morphogenetic protein 4-6 (BMP-4,-5and -6) and gwwth differentiation factor-9 (GDF-9) during ovarian development in neonatal pigs 显示文摘 | Shimizu T Yokoo M Miyake Y | 2004 | Domest Anita Endocrinol2004，27，4： | 1 |
| 15 | Algorithms for distributed constraint satisfaction: A review 显示文摘 | Yokoo M Hirayama K | 2000 | Autonomous Agents and Multi-Agent Systems2000，3，2： | 1 |
| 16 | Ort hognat hic surgery for occlusal reconstruction of old malunited jaw fracture 显示文摘 | Yokoo S Komori T Furudoi S | 2006 | Kobe J Med Sci2006，52，3： | 1 |
| 17 | Neurofibromatosis type 1 - associated unusual pleomorphic astrocytoma displaying continual malignant progression 显示文摘 | Yokoo kamiya | 2001 | Pathol Int2001，51，7： | 1 |
| 18 | Neurodegenerative evidence in mice brains with cecal ligation and puncture-induced sepsis: preventive effect of the free radical scavenger edaravone 显示文摘 | Yokoo H Chiba S Tomita K | 2012 | PloS one2012，7，51： | 1 |
| 19 | Influence of current densities in SOFC-PEFC combined system显示文摘 | Yokoo M Watanabe K | 2007 | Journal of Power Sources2007，163，2： | 1 |
| 20 | Preservation of large bridging veins during brain retraction显示文摘 | Sugita K Kobayashi S Yokoo A | 1982 | J Neumsurg1982，57，4： | 1 |
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