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521.
522.
Ken Takahashi Yoshihide Kakimoto Kensaku Toda Keiji Naruse 《Journal of cellular and molecular medicine》2013,17(2):225-232
Mechanosensitivity is essential for heart function just as for all other cells and organs in the body, and it is involved in both normal physiology and diseases processes of the cardiovascular system. In this review, we have outlined the relationship between mechanosensitivity and heart physiology, including the Frank–Starling law of the heart and mechanoelectric feedback. We then focused on molecules involved in mechanotransduction, particularly mechanosensitive ion channels. We have also discussed the involvement of mechanosensitivity in heart diseases, such as arrhythmias, hypertrophy and ischaemic heart disease. Finally, mechanobiology in cardiogenesis is described with regard to regenerative medicine. 相似文献
523.
524.
Yasunori Ohba Hitoshi Kitagawa Katsuya Kitoh Sachiyo Asahina Kaori Nishimori Kazuhiro Yoneda Tetsuo Kunieda Yoshihide Sasaki 《Mammalian genome》2000,11(4):316-319
Renal tubular dysplasia is a hereditary disease of Japanese black cattle showing renal failure and growth retardation with
an autosomal recessive trait. In the present study, we mapped the locus responsible for the disease (RTD) by linkage analysis with an inbred paternal half-sib pedigree obtained from commercial herds. By analyzing segregation of
microsatellite markers in the half-sibs, significant linkage was observed between the RTD locus and markers on bovine Chromosome (Chr) 1 with the highest lod score of 11.4. Homozygosity mapping with the inbred pedigree
further defined the localization of the RTD locus in a 4-cM region between microsatellite markers BMS4003 and INRA119. Mapping of the RTD locus on bovine Chr 1 will facilitate cloning and characterization of the gene responsible for this disease.
Received: 24 September 1999 / Accepted: 14 December 1999 相似文献
525.
Hiromi Mutsuura Kenji Kanbara Mikihiko Fukunaga Kazumi Yamamoto Ikumi Ban Kana Kitamura Yoshihide Nakai 《Applied psychophysiology and biofeedback》2009,34(4):291-298
Patients presenting with functional somatic syndrome (FSS) are common, and the symptoms are persistent and difficult to treat
for doctors and costly for society. The aim of this study was to clarify the common pathophysiology of FSS, especially the
relationship between hypothalamic-pituitary-adrenal (HPA) axis function and psychological characteristics of patients with
FSS. The subjects were 45 patients with FSS and 29 healthy controls. Salivary free cortisol was measured in the morning, and
psychological tests examining depression, anxiety and quality of life (QOL) were performed on the same day. In patients with
FSS, depressive scores showed a significant negative correlation with salivary free cortisol in the morning, although in healthy
controls, cortisol showed a significant positive correlation with depressive scores. In addition, the correlation between
other psychological test scores and cortisol secretion in patients with FSS contrasted with that of controls. The relationship
between cortisol and depression, anxiety or QOL, suggests that the HPA axis of patients with FSS is dysfunctional and does
not function properly when patients with FSS are under stress. This dysfunction may explain the pathology of medically unexplained
persistent symptoms of patients with FSS. 相似文献
526.
Masaki Tamitani Takeshi Yamamoto Naoki Yamamoto Koichi Fujisawa Shinji Tanaka Yoshihide Nakamura Hitoshi Uchinoumi Tetsuro Oda Shinichi Okuda Taro Takami Shigeki Kobayashi Isao Sakaida Masafumi Yano 《Biochemistry and Biophysics Reports》2020
IntroductionOur previous studies demonstrated that dantrolene, a ryanodine receptor stabilizer, prevents endoplasmic reticulum (ER) stress in the heart. ER stress is a strong mediator of impaired lipid metabolism in the liver, thereby contributing to fatty liver disease. In this study, we investigated the effects of dantrolene on fatty liver disease in mice and ER stress in hepatocytes.Methods and resultsEight weeks old C57BL/6 mice were fed high-fat diet (HFD) for 8 weeks with or without the oral administration of dantrolene (100 mg/kg/day). The livers of mice without dantrolene (HFD group) showed severe fatty liver, whereas the livers of the mice treated with dantrolene (HFD + DAN group) only showed slightly fatty liver. To address the preventive effects of dantrolene, primary hepatocytes were cultured with palmitate in the presence or absence of dantrolene. Dantrolene reduced lipid load and prevents palmitate-induced increase in cytoplasmic Ca2+ and ER stress. Based on these findings, we propose that dantrolene is a potential new therapeutic agent against fatty liver disease. 相似文献
527.
Molecular cloning, genetic mapping, and expression of the mouse Sf3b1 (SAP155) gene for the U2 snRNP component of spliceosome 总被引:2,自引:0,他引:2
Kyoichi Isono Kuniya Abe Yasuhiro Tomaru Yasushi Okazaki Yoshihide Hayashizaki Haruhiko Koseki 《Mammalian genome》2001,12(3):192-198
SAP155, a subunit of the U2 snRNP, is essential for prespliceosome assembly and splicing catalysis of the major spliceosome.
Moreover, the protein has been identified in the minor (U12-dependent) spliceosome. These facts strongly suggest that SAP155
is shared by two distinct complexes owing to its importance in the removal of any type of intron. Here we have isolated a
cDNA encoding the 146-kDa mouse homolog, designated Sf3b1. The amino acid sequence of Sf3b1 is very highly conserved among
homologs from Schizosaccharomyces pombe (52.4% identity) to human (99.6%), and the C-terminal 825 residues of these Sf3b1 homologs show even higher identities. This
C-terminal region shows significant similarity to the PR65 subunit of protein phosphatase 2A, which is composed of 15 tandem
repeats of a 39 amino acid sequence. Mouse genome analyses showed Sf3b1 to be a single-copy gene mapping to the central part of Chromosome (Chr) 1. Northern blot analysis and whole mount in situ
hybridization revealed Sf3b1 to be ubiquitously expressed in a variety of adult tissues and mid-gestation embryos.
Received: 14 June 2000 / Accepted: 19 October 2000 相似文献