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排序方式: 共有61条查询结果,搜索用时 15 毫秒
1.
Precise mapping of the EGF receptor gene on the human chromosome 7p12 using an improved fish technique 总被引:1,自引:0,他引:1
Summary The gene for epidermal growth factor receptor (EGFR) has been localized to the p14-p12 region of human chromosome 7 by somatic cell hybridization and radioisotopein situ hybridization techniques. In this paper, we report the precise mapping of the EGFR gene to the band p12 of chromosome 7 using a novel method in which fluorescence images fromin situ hybridization and Q-banding are computer graphically merged. The novel procedure is described in detail. 相似文献
2.
Masanori Taira Jun Kudoh Shinsei Minoshima Taizo Iizasa Hideaki Shimada Yoshiko Shimizu Masamiti Tatibana Nobuyoshi Shimizu 《Somatic Cell and Molecular Genetics》1989,15(1):29-37
Complementary DNA clones for phosphoribosylpyrophosphate synthetase subunits I and II (PRS I and PRS II) were used to determine the chromosomal localization of the corresponding human genes. Southern blot analysis of genomic DNAs isolated from human placenta and a panel of humanmouse somatic cell hybrids revealed that the rat PRS I cDNA probe detected at least five human specific DNA segments (23, 20, 14.5, 6.7, and 4.3 kb) in BamHI digests. The 23-, 14.5-, and 6.7-kb DNA segments were detected only if the hybrids contained human chromosome X or translocation chromosome 7p
+ (7qter>7p22::Xq21>Xqter), indicating the location of these segments to Xq21-qter (PRPS1). The 20- and 4.3-kb DNA segments did not cosegregate with the other three segments, and spot blot hybridization analysis using flow-sorted human chromosomes indicated that these are the PRPS1-related genes (PRPS1L1 and PRPS1L2) and could be assigned to chromosomes 7 and 9, respectively. The human-specific PRS II cDNA probe revealed a BamHI DNA segment (17 kb), which segregated condordantly with the X chromosome but not with the PRPS1 gene. We surmise that the gene for PRS II (PRPS2) is located at a different region of the X chromosome, namely Xpter-q21.Preliminary report of this research was presented at Ninth International Workshop on Human Gene Mapping, Abstract supplement p. 5 (1987). 相似文献
3.
In order to clarify the interaction of volatile anesthetics and extracellular calcium ion on the myocardial contraction, effects of both isoflurane (1.0%) and halothane (0.5%) on the extracellular calcium ion concentration ([Ca2+]O)-tension curve were studied. Increasing [Ca2+]O enhanced the myocardial contraction response, and the maximal response was obtained at [Ca2+]O of 3.0mM. Halothane depressed the maximal value of the tension development in response to increasing [Ca2+]O, while isoflurane did not (P 0.01). The probit response of the developed tension to the changes in [Ca2+]O indicated that isoflurane increased the median effective concentration (EC50) of [Ca2+]O significantly from 0.484 ± 0.051 (mean ± SEM) to 0.870 ± 0.056mM (P = 0.001), but halothane did not (P = 0.018). Therefore, 1.0% isoflurane was concluded to move the [Ca2+]O-tension curve to the right, while a downwards shift occurred with 0.5% halothane.(Saeki S, Hirakawa M, Shimosato S: Effects of Isoflurane and Halothane on the Calcium Ion-tension Curve in Rat Myocardium. J Anesth 6: 172–175, 1992) 相似文献
4.
Hiroeki Sahara Shinya Hanashima Takayuki Yamazaki Shunya Takahashi Fumio Sugawara Seiji Ohtani Masako Ishikawa Yoshiyuki Mizushina Keisuke Ohta Kumiko Shimozawa Shinsei Gasa Kouichi Jimbow Kengo Sakaguchi Noriyuki Sato Nobuaki Takahashi 《Cancer science》2002,93(1):85-92
We recently reported that 3'-sulfonoquinovosyl-1'-monoacylglycerol (designatedA-5) extracted from sea urchin intestine was effective in suppressing the growth of solid tumors. Although the major fatty acid component of A-5 was a saturated C16 acid, there were five other fatty acids, 14:0, 18:0, 14:1, 16:1, and 18:1, which constitute minor components of A-5. Therefore, it remains unclear as to which of these six fatty acid components of A-5 has the anti-tumor effect. In this study, we synthesized sulfolipids each containing only one of these six fatty acids and tested their cytotoxicity against tumor cells and in vivo anti-tumor effects on nude-mice bearing solid tumors of human lung adenocarcinoma cell line A-549. The IC50 values of all products against tumor cells were more than 10-5 M , suggesting weak cytotoxic activity compared with other chemotherapeutic compounds for cancer. On the other hand, in vivo anti-tumor assay showed that sulfoquinovosyl-monoacylglycerols (SQMG) composed of 14:1 and 18:1 (designated SQMG(14:1) and SQMG(18:1), respectively) were significantly effective in suppressing the growth of solid tumors. Our data suggested that these two SQMGs had a substantial anti-tumor effect in vivo , and they are of interest as candidate drugs for anti-cancer treatment. 相似文献
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7.
Ikeda S Kumano N Arimori Y Ono T Saeki S 《Masui. The Japanese journal of anesthesiology》2008,57(8):999-1001
Two patients with total occlusion of the right internal carotid artery, were anesthetized for ACAB with remifentanil and thoracic epidural anesthesia. Case 1: A 71-year-old man with hypertension and diabetes mellitus underwent single-vessel ACAB under IV remifentanil analgesia, the dose of which was adjusted to 0.04-0.05 microg x kg(-1) x min(-1), along with an epidural infusion of 10 ml x hr(-1) of a mixture of 2% lidocaine and 2.5 microg x ml(-1) of fentanyl, the PaCO2 being maintained at 52-55 mmHg. When the patient felt pain, the remifentanil dose was elevated to 0.08 microg x kg(-1) x min(-1) and PaCO2 increased to 60 mmHg. Case 2: A 66-year-old man with rheumatoid arthritis underwent ACAB for two grafts. An intraaortic balloon pump (IABP) was inserted preoperatively. The anesthetic method used was the same as in case 1, except for an additional right femoral block to provide anesthesia for extraction of the saphenous vein. Remifentanil was infused at 0.05 microg x kg(-1) x min(-1) and PaCO2 maintained at 49-53 mmHg. In response to the patient's pain and movement, the remifentanil dose was increased to 0.07-0.10 microg x kg(-1) x min(-1) and PaCO2 to 60 mmHg. 相似文献
8.
Kaida Takayoshi Doi Koichi Yumoto Shinsei Kinoshita Shotaro Takeyama Hideaki Ishiodori Hiroyuki Baba Hideo 《International journal of clinical oncology / Japan Society of Clinical Oncology》2021,26(8):1485-1491
International Journal of Clinical Oncology - Self-expandable metallic stent (SEMS) placement is an emergent decompression approach for patients with obstructive colorectal cancer, alongside... 相似文献
9.
Suzuki M Nabeshima K Miyazaki M Yoshimura H Tagawa S Shiraki K 《World journal of gastroenterology : WJG》2005,11(33):5248-5250
We report on a case of Churg-Strauss syndrome (CSS) with colon erosion, cholecystitis and liver abscesses. A 21-year-old woman with a history of bronchial asthma for 3 years was admitted with a complaint of abdominal pain. Laboratory findings included remarkable leukocytosis and eosinophilia, and a colonoscopy revealed erosion from the rectum to the ileocecal region. In addition, a colonic biopsy specimen showed necrotizing vasculitis and marked eosinophilic infiltration. On the basis of the clinical features and histopathological findings, she was diagnosed with CSS and subsequently treated with oral prednisolone, after which the eosinophilia and abdominal pain disappeared. However, on the 15th d in hospital she developed cholecystitis and liver abscesses. She was therefore treated with antibiotics and as a result went into clinical remission. 相似文献
10.
Yamagiwa K Shiraki K Yamakado K Mizuno S Hori T Yagi S Hamada T Iida T Nakamura I Fujii K Usui M Isaji S Ito K Tagawa S Takeda K Yokoi H Noguchi T 《Journal of gastroenterology and hepatology》2008,23(3):482-490
Background and Aim: The Cancer of the Liver Italian Program (CLIP) score has been demonstrated to have superior prognostic ability in hepatocellular carcinoma (HCC) patients worldwide, but there has never been sufficient assessment of the efficacy of treatment modalities according to the CLIP score. This retrospective cohort study of HCC patients was conducted to assess the efficacy of treatment modalities according to the CLIP score. Methods: We compared the efficacy of hepatic resection (HR) (n = 101), radiofrequency ablation with prior transcatheter arterial chemoembolization (RFA + TACE) (n = 115), percutaneous ethanol injection with prior TACE (PEI + TACE) (n = 43), and TACE (n = 86) as a primary treatment in terms of survival among 345 patients treated at Mie University Hospital between 1995 and 2004, according to CLIP score. Results: The overall survival rates in the RFA + TACE group were significantly higher in the patients with CLIP scores of 1, 2, and 3 or more (5‐year, 70.9%; 3‐year, 73.7%; and 3‐year, 100%, respectively), but they were not significantly different from the 5‐year survival rates of the HR group with a CLIP score of 0 (83.7%). Among the patients with a CLIP score of 0, a significantly higher disease‐free survival rate (5‐year: 33.7%) was obtained in the HR subgroup (n = 35) than in the RFA + TACE subgroup (n = 35), both of which were followed since 2000, but morbidity (21.8%) was highest in the HR group. Conclusion: RFA + TACE is concluded to be a safe treatment modality with better overall survival (5‐year, > 60%) in HCC patients regardless of their CLIP score. 相似文献