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Genomes and Genes | M KojimaSummaryAffiliation: National Cardiovascular Center Country: Japan Publications
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Publications
[Ghrelin: a novel growth-hormone releasing peptide]M Kojima
Department of Biochemistry, National Cardiovascular Center Research Institute
Nippon Rinsho 59:1400-7. 2001..Moreover, ghrelin induces appetite-stimulating effect and adiposity in rat. These facts indicate that ghrelin is a natural leptin antagonist...
Ghrelin: discovery of the natural endogenous ligand for the growth hormone secretagogue receptorM Kojima
Dept of Biochemistry, National Cardiovascular Center Research Institute, 5 7 1 Fujishirodai, Suita, Osaka 565 8565, Japan
Trends Endocrinol Metab 12:118-22. 2001..The discovery of ghrelin indicates that the release of GH from the pituitary might be regulated not only by hypothalamic GH-releasing hormone, but also by ghrelin derived from the stomach and hypothalamus...
Chronic administration of ghrelin improves left ventricular dysfunction and attenuates development of cardiac cachexia in rats with heart failureN Nagaya
Department of Internal Medicine, National Cardiovascular Center, Fujishirodai, Suita, Osaka, Japan
Circulation 104:1430-5. 2001..We investigated whether ghrelin improves left ventricular (LV) dysfunction and attenuates cardiac cachexia in rats with chronic heart failure (CHF)...
Ghrelin is a growth-hormone-releasing acylated peptide from stomachM Kojima
Department of Biochemistry, National Cardiovascular Center Research Institute, Suita, Osaka, Japan
Nature 402:656-60. 1999..Human ghrelin is homologous to rat ghrelin apart from two amino acids. The occurrence of ghrelin in both rat and human indicates that GH release from the pituitary may be regulated not only by hypothalamic GHRH, but also by ghrelin...
Amidated fish ghrelin: purification, cDNA cloning in the Japanese eel and its biological activityH Kaiya
Department of Biochemistry, National Cardiovascular Center Research Institute, 5 7 1 Fujishirodai, Suita, Osaka 565 8565, Japan
J Endocrinol 176:415-23. 2003..A novel regulatory pathway of GH secretion by gastric ghrelin seems to be conserved from fish to human...
Bullfrog ghrelin is modified by n-octanoic acid at its third threonine residueH Kaiya
Department of Biochemistry, National Cardiovascular Center Research Institute, 5-7-1 Fujishirodai, Suita, Osaka 565-8565, Japan
J Biol Chem 276:40441-8. 2001..These results indicate that although the regulatory mechanism of ghrelin to induce GH secretion is evolutionary conserved, the structural changes in the different ghrelins result in species-specific receptor binding...
Purification and characterization of rat des-Gln14-Ghrelin, a second endogenous ligand for the growth hormone secretagogue receptorH Hosoda
Department of Biochemistry, National Cardiovascular Center Research Institute, Fujishirodai 5 7 1, Suita, Osaka 565 8565, Japan
J Biol Chem 275:21995-2000. 2000..Des-Gln(14)-ghrelin-stimulated growth hormone releases when injected into rats. Thus, growth hormone release is regulated by two gastric peptides, ghrelin and des-Gln(14)-ghrelin...
Purification and identification of neuromedin U as an endogenous ligand for an orphan receptor GPR66 (FM3)M Kojima
Department of Biochemistry, National Cardiovascular Center Research Institute, Fujishirodai 5 7 1, Suita, Osaka, 565 8565, Japan
Biochem Biophys Res Commun 276:435-8. 2000..In contrast, ICV injection of NMU-antibody increased food intake. These results suggest that NMU is a potent endogenous anorexic peptide...
Ghrelin and des-acyl ghrelin: two major forms of rat ghrelin peptide in gastrointestinal tissueH Hosoda
Department of Biochemistry, National Cardiovascular Center Research Institute, 5 7 1 Fujishirodai, Suita, Osaka, 565 8565, Japan
Biochem Biophys Res Commun 279:909-13. 2000..In addition to these findings, our radioimmunoassay systems also revealed high concentrations of ghrelin in the stomach and small intestine...
Hemodynamic, renal, and hormonal effects of ghrelin infusion in patients with chronic heart failureN Nagaya
Department of Internal Medicine, National Cardiovascular Center, Suita, Osaka 565 8565, Japan
J Clin Endocrinol Metab 86:5854-9. 2001..In summary, iv infusion of ghrelin, a potent GH-releasing peptide, had beneficial hemodynamic effects in patients with CHF in the absence of renal effects...
cDNA cloning of canine adrenomedullin and its gene expression in the heart and blood vessels in endotoxin shockY Ono
Department of Biochemistry, National Cardiovascular Center Research Institute, Suita, Osaka, Japan
Shock 10:243-7. 1998..In addition, the plasma concentrations of the AM were high enough to allow for AM to act as a vasodilating hormone. Consequently, AM may be one of the factors facilitating severe hypotension complicated with endotoxin shock...
A new type soluble guanylyl cyclase, which contains a kinase-like domain: its structure and expressionM Kojima
Department of Biochemistry, National Cardiovascular Center Research Institute, Osaka, Japan
Biochem Biophys Res Commun 217:993-1000. 1995..The ksGC contains in its N-terminal region a protein kinase-like domain, which is usually a characteristic feature only of particulate type guanylyl cyclases. This unique feature of ksGC suggests a novel pathway of cGMP synthesis...
Brain-derived neurotrophic factor triggers a rapid glutamate release through increase of intracellular Ca(2+) and Na(+) in cultured cerebellar neuronsT Numakawa
Division of Protein Biosynthesis, Institute for Protein Research, Osaka University, Suita, Osaka, Japan
J Neurosci Res 66:96-108. 2001..All the results therefore suggest that Na(+)-dependent reverse transport contributes to BDNF-mediated transmitter release through the PLC-gamma/IP(3)-mediated Ca(2+) signaling...
Genomic structure of human adrenomedullin geneT Ishimitsu
Department of Biochemistry, National Cardiovascular Center Research Institute, Osaka, Japan
Biochem Biophys Res Commun 203:631-9. 1994..These indicate that the human AM gene has components for its functional expression and that the expression may be subject to the activity of protein kinase C and the feedback from cAMP level...
Alleviation of Abeta-induced cognitive impairment by ultrasound-mediated gene transfer of HGF in a mouse modelD Takeuchi
Department of Clinical Gene Therapy, Graduate School of Medicine, Osaka University, Yamadaoka, Suita, Japan
Gene Ther 15:561-71. 2008..A pharmacological approach including gene therapy to increase the HGF level in combination with anti-Abeta therapy might be a new therapeutic option for the treatment of AD...
Hemodynamic and hormonal effects of human ghrelin in healthy volunteersN Nagaya
Department of Internal Medicine, National Cardiovascular Center, Osaka 565 - 8565, Japan
Am J Physiol Regul Integr Comp Physiol 280:R1483-7. 2001..In summary, human ghrelin elicited a potent, long-lasting GH release and had beneficial hemodynamic effects via reducing cardiac afterload and increasing cardiac output without an increase in heart rate...
Upregulation of Ghrelin expression in the stomach upon fasting, insulin-induced hypoglycemia, and leptin administrationK Toshinai
Third Department of Internal Medicine, Miyazaki Medical College, Miyazaki, 889 1692, Japan
Biochem Biophys Res Commun 281:1220-5. 2001..Conversely, db/db mice, which are deficient in the leptin receptor, had lower ghrelin mRNA levels than control mice. These findings suggest that this novel gastrointestinal hormone plays a role in the regulation of energy balance...
A role for ghrelin in the central regulation of feedingM Nakazato
Third Department of Internal Medicine, Miyazaki Medical College, Kiyotake, Japan
Nature 409:194-8. 2001..We conclude that ghrelin is a physiological mediator of feeding, and probably has a function in growth regulation by stimulating feeding and release of growth hormone...
Gender and gonadal influences on ghrelin mRNA levels in rat stomachO Gualillo
Department of Medicine, Molecular Endocrinology Section, School of Medicine, University of Santiago de Compostela, Spain
Eur J Endocrinol 144:687-90. 2001..Gonadal hormones did not alter ghrelin mRNA levels. Taken together, these data showed that ghrelin mRNA levels in young rats are age but not gender dependent, and are not influenced by gonadal steroids...
Ghrelin in domestic animals: distribution in stomach and its possible roleT Hayashida
Department of Veterinary Physiology, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2155, Japan
Domest Anim Endocrinol 21:17-24. 2001..These results suggest that ghrelin plays an important role in GH secretion and feeding regulation in domestic animals...
Structure-activity relationship of ghrelin: pharmacological study of ghrelin peptidesM Matsumoto
Suntory Institute for Medicinal Research and Development, Kurakake 2716 1, Akaiwa, Chiyoda Machi, Ohra Gun, Gunma 370 0503, Japan
Biochem Biophys Res Commun 287:142-6. 2001..In addition, more stable ether or thioether bonds are capable of replacing the octanoyl ester bond in ghrelin, advantageous for the generation of pharmaceuticals with longer stability...
A low dose of ghrelin stimulates growth hormone (GH) release synergistically with GH-releasing hormone in humansY Hataya
Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
J Clin Endocrinol Metab 86:4552. 2001..No synergistic effects with respect to ACTH or prolactin secretion were observed. In conclusion, the synergistic interaction between ghrelin and GHRH was clearly shown and might be useful for a provocation test to diagnose GH deficiency...
Molecular cloning of natriuretic peptide receptor A from bullfrog (Rana catesbeiana) brain and its functional expressionT Sekiguchi
Department of Biochemistry, Fukui Medical University, Shimoaizuki, Matsuoka, 910-1193, Fukui, Japan
Gene 273:251-7. 2001..This clearly indicates that the bullfrog receptor is a counterpart of mammalian NPR-A, and is specific for ANP or BNP but not for CNP...
Ghrelin in neonatal rats: distribution in stomach and its possible roleT Hayashida
Department of Veterinary Physiology, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2155, Japan
J Endocrinol 173:239-45. 2002..7+/-0.94 to day 27.9+/-0.05. These results suggest that ghrelin may be involved in neonatal development...
A transient ghrelin surge occurs just before feeding in a scheduled meal-fed sheepT Sugino
High-tech Research Center and Laboratory of Animal Nutrition, School of Veterinary Medicine and Animal Sciences, Kitasato University, Towada-shi, Aomori 034-8628, Japan
Biochem Biophys Res Commun 295:255-60. 2002....
Changes in expression of the genes for the leptin receptor and the growth hormone-releasing peptide/ghrelin receptor in the hypothalamic arcuate nucleus with long-term manipulation of adiposity by dietary meansY Kurose
Prince Henry s Institute of Medical Research, Clayton, Victoria, Australia
J Neuroendocrinol 17:331-40. 2005..This may be an adaptive mechanism to increase responsivity to both leptin and ghrelin...
Stomach is a major source of circulating ghrelin, and feeding state determines plasma ghrelin-like immunoreactivity levels in humansH Ariyasu
Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
J Clin Endocrinol Metab 86:4753-8. 2001..We conclude that the stomach is a major source of circulating ghrelin and that plasma ghrelin-like immunoreactivity levels reflect acute and chronic feeding states in humans...
Ghrelin, a novel placental-derived hormoneO Gualillo
Department of Medicine, Molecular Endocrinology Section and Complejo Hospitalario Universitario de Santiago
Endocrinology 142:788-94. 2001..Whether placenta-derived ghrelin is involved in the modulation of GH release, or placental cell growth and differentiation remains to be established...
Cloning and characterization of a cDNA encoding a precursor for human uroguanylinM Miyazato
Third Department of Medicine, Miyazaki Medical College, Kiyotake, Japan
Biochem Biophys Res Commun 219:644-8. 1996..Uroguanylin, as well as guanylin, may be a potent physiological regulator of intestinal fluid and electrolyte transport...
Decreased gene expression of adrenomedullin receptor in mouse lungs during sepsisY Ono
Department of Anesthesiology, Teikyo University School of Medicine, 2 11 1 Kaga, Itabashi ku, Tokyo, 173 8605, Japan
Biochem Biophys Res Commun 271:197-202. 2000..It is revealed that the distributions of receptor or binding sites of AM are changed in sepsis, and it is suggested that AM plays distinct roles in the clinical course of this syndrome...
Ghrelin, a novel growth hormone-releasing acylated peptide, is synthesized in a distinct endocrine cell type in the gastrointestinal tracts of rats and humansY Date
Department of Internal Medicine, Miyazaki Medical College, Kiyotake, Japan
Endocrinology 141:4255-61. 2000..Our findings provide clues to additional, as yet undefined, physiological functions of this novel gastrointestinal hormone...
The expression of the growth hormone secretagogue receptor ligand ghrelin in normal and abnormal human pituitary and other neuroendocrine tumorsM Korbonits
Department of Endocrinology, St Bartholomew s and the Royal London School of Medicine and Dentistry, London, United Kingdom EC1A 7BE
J Clin Endocrinol Metab 86:881-7. 2001..We suggest that the presence of ghrelin mRNA and peptide in the pituitary implies that the locally synthesized hormone may have an autocrine/paracrine modulatory effect on pituitary hormone release...
Circadian waves of expression of the APRR1/TOC1 family of pseudo-response regulators in Arabidopsis thaliana: insight into the plant circadian clockA Matsushika
Laboratory of Molecular Microbiology, School of Agriculture, Nagoya University, Japan
Plant Cell Physiol 41:1002-12. 2000..Here we propose that the circadian waves of the APRR1/TOC1 family members are most likely a molecular basis of such a biological clock in higher plants...
Cloning and characterization of cDNA encoding a precursor for human adrenomedullinK Kitamura
First Department of Internal Medicine, Miyazaki Medical College, Japan
Biochem Biophys Res Commun 194:720-5. 1993..By RNA blot analysis, human adrenomedullin mRNA was found to be highly expressed in several tissues including adrenal medulla, ventricle, lung and kidney as well as pheochromocytoma...
Immunocytochemical observation of ghrelin-containing neurons in the rat arcuate nucleusS Lu
Department of Anatomy, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, Japan
Neurosci Lett 321:157-60. 2002..Ghrelin-LI presynaptic axon terminals often made synapses with unknown immunonegative neurons. These results suggest that ghrelin acts to regulate food intake through synaptic connections in hypothalamic neuronal networks...
Primary structure of the receptor for calcium channel blockers from skeletal muscleT Tanabe
Nature 328:313-8. 1987....
Cloning and sequence analysis of cDNA encoding a precursor for human brain natriuretic peptideT Sudoh
Daiichi Pure Chemicals Co Ltd, Tokyo, Japan
Biochem Biophys Res Commun 159:1427-34. 1989....
A basic transthyretin variant (Glu61-->Lys) causes familial amyloidotic polyneuropathy: protein and DNA sequencing and PCR-induced mutation restriction analysisK Shiomi
Third Department of Medicine, Miyazaki Medical College, Japan
Biochem Biophys Res Commun 194:1090-6. 1993..TTR-Lys61 is the first variant TTR with a replacement of the acidic with basic amino acid to be found in the amyloid precursor proteins of FAP...
Effects of Ghrelin on growth hormone secretion from cultured adenohypophysial cells in pigsT Hashizume
Faculty of Agriculture, Iwate University, Ueda 3, Morioka 020 8550, Japan
Domest Anim Endocrinol 24:209-18. 2003..The present results also show that Ghrelin interacts with GHRH and SS to in the release of GH from porcine adenohypophysial cells...
Changes in plasma ghrelin and growth hormone concentrations in mature Holstein cows and three-month-old calvesH Miura
Laboratory of Veterinary Theriogenology, School of Veterinary Medicine and Animal Sciences, Kitasato University, Towada shi, Aomori 034 8628, Japan
J Anim Sci 82:1329-33. 2004..Further studies are required to define the relationship between plasma ghrelin and GH concentrations...
Effects of ghrelin on food intake and neuroendocrine function in sheepT Sugino
Graduate School of Biosphere Science, Hiroshima University, Higashi Hiroshima Shi, Hiroshima 739 8528, Japan
Anim Reprod Sci 82:183-94. 2004..This mini review describes mechanisms regulating ghrelin secretion at feeding time, and also focuses on the neuroendocrine functions of ghrelin...
GH secretory responses to ghrelin and GHRH in growing and lactating dairy cattleF Itoh
Department of Animal Physiology and Nutrition, National Institute of Livestock and Grassland Science, Tsukuba Norindanchi, PO Box 5, Ibaraki 305 0901, Japan
Domest Anim Endocrinol 28:34-45. 2005..These results suggest that GHRH is an effective inducer of GH release in growing calves, and that the relative importance of ghrelin in contributing to the rise in plasma GH increases in early lactating cows...
Cloning and sequence analysis of cDNA encoding a precursor for rat brain natriuretic peptideM Kojima
Department of Biochemistry, Miyazaki Medical College, Japan
Biochem Biophys Res Commun 159:1420-6. 1989..Comparing sequences of precursors of ANP and BNP thus far identified, structural and processing features characteristic of the BNP family were discussed...
Ghrelin enhances glucose-induced insulin secretion in scheduled meal-fed sheepH Takahashi
School of Veterinary Medicine and Animal Science, Kitasato University, Towada-shi, Aomori 034-8628, Japan
J Endocrinol 189:67-75. 2006..In conclusion, the present study has demonstrated for the first time that ghrelin enhances glucose-induced insulin secretion in the ruminant animal...
The tree squirrel HP-25 gene is a pseudogeneM Kojima
Department of Biosciences, School of Science, Kitasato University, Kanagawa Japan
Eur J Biochem 268:5997-6002. 2001..Thus, the point mutation in the HNF-4-binding site is likely to be involved in the lack of HP-25 gene expression in the tree squirrel...
Substantial production of ghrelin by a human medullary thyroid carcinoma cell lineN Kanamoto
Department of Medicine and Clinical Science, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan
J Clin Endocrinol Metab 86:4984-90. 2001..These findings suggest that ghrelin is produced in the thyroid C cells as well as in medullary thyroid carcinoma and may provide opportunities to investigate its physiological role in the thyroid gland...
Expression of adrenomedullin in the human corpus luteumK Abe
School of Medicine, Gunma University, Maebashi, Japan
Fertil Steril 74:141-5. 2000..Adrenomedullin (AM) is a potent hypotensive peptide found in human pheochromocytoma tissue. In the present study, the expression of AM mRNA in the human ovary was examined...
Structural similarity of ghrelin derivatives to peptidyl growth hormone secretagoguesM Matsumoto
Suntory Institute for Medicinal Research and Development, 2716-1 Kurakake, Akaiwa, Chiyoda-machi, Ohra-gun, Gunma 370-0503, Japan
Biochem Biophys Res Commun 284:655-9. 2001..Replacement of 3rd and 4th amino acid residues to D-isomer suggested that the N-terminal dipeptide contributes to shape the biologically active geometry by effecting conformation of residues in positions 3 and 4...
Effects of dopamine d2 receptor agonists in a pituitary transplantation-induced hyperprolactinaemia/anovulation model in ratsM Moro
Pharmacological Laboratories, Kissei Pharmaceutical Co. Ltd, 4365-1 Kashiwabara, Hotaka-machi, Minamiazumi-gun, Nagano 399-8304, Japan
Clin Exp Pharmacol Physiol 28:651-8. 2001....
Primary structure and expression of a 24-kD vacuolar protein (VP24) precursor in anthocyanin-producing cells of sweet potato in suspension cultureW Xu
Graduate School of Science and Technology, Faculty of Textile Science and Technology, Shinshu University, 3-15-1 Tokida, Ueda, Nagano 386-8567, Japan
Plant Physiol 125:447-55. 2001..These results suggested that proteins derived from the VP24 precursor protein may be involved in vacuolar transport and/or accumulation of anthocyanin synthesized in the cytosol...
Expression of adrenomedullin in the endometrium of the human uterusM Michishita
Department of Obstetrics and Gynecology, Gunma University School of Medicine, Maebashi, Japan
Obstet Gynecol 93:66-70. 1999..Our purpose was to determine whether adrenomedullin is present in the human uterus...
Rainbow trout Sox24, a novel member of the Sox family, is a transcriptional regulator during oogenesisH Kanda
Department of Biosciences, School of Science, Kitasato University, 1 15 1 Kitasato, Sagamihara, Kanagawa 228, Japan
Gene 211:251-7. 1998..These results suggest that Sox24 plays a role as a transcriptional regulator during oogenesis...
Aspergillus niger acid proteinase A. Structure and functionK Takahashi
School of Life Science, Tokyo University of Pharmacy and Life Science, Japan
Adv Exp Med Biol 436:275-82. 1998
cDNA cloning of a novel rainbow trout SRY-type HMG box protein, rtSox23, and its functional analysisA Yamashita
Department of Biosciences, School of Science, Kitasato University, 1 15 1 Kitasato, Sagamihara, Kanagawa 228, Japan
Gene 209:193-200. 1998..The rainbow trout p62 mRNA was also prominent in ovary and brain. Taken together, these results suggest that the rainbow trout p62 associates with rtSox23 in vivo and modulates the function of rtSox23...
Organogenesis of the liver, thymus and spleen is affected in jumonji mutant miceJ Motoyama
Mitsubishi Kasei Institute of Life Sciences, Machida, Tokyo, Japan
Mech Dev 66:27-37. 1997..These phenotypes were also observed with C57BL/6J and DBA/2J backgrounds, suggesting that the jmj gene plays an essential role in the organogenesis of these tissues...
Post-translational processing of the phosphatidylserine decarboxylase gene product in Chinese hamster ovary cellsO Kuge
Department of Biochemistry and Cell Biology, National Institute of Health, Tokyo, Japan
Biochem J 319:33-8. 1996..Thus, the pssC gene product is converted into mature phosphatidylserine decarboxylase through multiple steps of post-translational processing...
Complete amino acid sequence of porcine adrenomedullin and cloning of cDNA encoding its precursorK Kitamura
First Department of Internal Medicine, Miyazaki Medical College, Japan
FEBS Lett 338:306-10. 1994..By RNA blot analysis, porcine adrenomedullin mRNA was found to be highly expressed in several porcine tissues including lung and kidney as well as adrenal medulla...
Cloning and sequence analysis of a cDNA encoding a precursor for rat C-type natriuretic peptide (CNP)M Kojima
Department of Biochemistry, Miyazaki Medical College, Japan
FEBS Lett 276:209-13. 1990..By RNA blot analysis, rat CNP mRNA was found to be expressed exclusively in the brain, implying that CNP may function in the central nervous system as a neuropeptide...
