K Azumi
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Explore the profile of K Azumi including associated specialties, affiliations and a list of published articles.
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48
Citations
274
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Recent Articles
1.
Kitamura S, Ohtake S, Song J, Jung S, Oh M, Choi B, et al.
J Fish Dis
. 2009 Nov;
33(2):153-60.
PMID: 19878530
'Soft tunic syndrome' causes mass mortality in the edible ascidian Halocynthia roretzi in Korean and Japanese aquaculture. In histopathological comparison, there were no specific differences between diseased specimens from Korea...
2.
Hirose E, Ohtake S, Azumi K
J Fish Dis
. 2009 Apr;
32(5):433-45.
PMID: 19364388
'Soft tunic syndrome' is a serious problem in the aquaculture of the edible ascidian, Halocynthia roretzi (Drasche), and often leads to mass mortality. Here, we describe the tunic morphology of...
3.
Azumi K, Ishimoto R, Fujita T, Nonaka M, Yokosawa H
Zoolog Sci
. 2008 Jun;
17(5):625-32.
PMID: 18517298
To clarify the molecular mechanisms of phagocytosis, we have been preparing monoclonal antibodies that inhibit phagocytosis by the hemocytes of the ascidian Halocynthia roretzi. A monoclonal antibody, RA5, inhibited the...
4.
Sekine H, Kenjo A, Azumi K, Ohi G, Takahashi M, Kasukawa R, et al.
J Immunol
. 2001 Oct;
167(8):4504-10.
PMID: 11591777
Mannose-binding lectin (MBL) is a C-type lectin involved in the first line of host defense against pathogens and it requires MBL-associated serine protease (MASP) for activation of the complement lectin...
5.
Miyazawa S, Azumi K, Nonaka M
J Immunol
. 2001 Feb;
166(3):1710-5.
PMID: 11160215
Recent molecular and biochemical analysis has revealed the presence of an opsonic complement system in the solitary ascidian, Halocynthia roretzi, composed of at least C3, two mannan binding protein-associated serine...
6.
Ishikawa G, Azumi K, Yokosawa H
Comp Biochem Physiol A Mol Integr Physiol
. 2000 May;
125(3):351-7.
PMID: 10794964
It has been proposed that protein tyrosine phosphorylation plays important roles in signal transduction in mammalian T- and B-cells and monocytes. During our investigations on the ascidian host defense system,...
7.
Nonaka M, Azumi K
Dev Comp Immunol
. 1999 Jul;
23(4-5):421-7.
PMID: 10426432
To elucidate the molecular architecture and function of the possibly primitive complement system of the solitary ascidian. Halochynthia roretzi, cDNA clones for the third component (C3) and mannose-binding lectin (MBL)-associated...
8.
Smith L, Azumi K, Nonaka M
Immunopharmacology
. 1999 Jul;
42(1-3):107-20.
PMID: 10408372
The complement system in higher vertebrates is composed of about thirty proteins that function in three activation cascades and converge in a single terminal pathway. It is believed that these...
9.
Shum B, Rajalingam R, Magor K, Azumi K, Carr W, Dixon B, et al.
Immunogenetics
. 1999 Jun;
49(6):479-90.
PMID: 10380691
Complementary DNA for two class I genes of the rainbow trout, Oncorhynchus mykiss, were characterized. MhcOnmy-UBA*01 is similar to Onmy-UAC32 and the classical major histocompatibility complex class I genes of...
10.
Abe Y, Ishikawa G, Satoh H, Azumi K, Yokosawa H
Comp Biochem Physiol B Biochem Mol Biol
. 1999 Jun;
122(3):321-6.
PMID: 10374259
A protein with a molecular weight of 17K, immunoreactive with the S-1B2 antibody, has been isolated from hemocytes of Halocynthia roretzi. Its amino acid sequence has been determined by sequential...