Use of monoclonal antibodies for radioimmunoassay of water buffalo milk progesterone

1987 ◽  
Vol 54 (4) ◽  
pp. 471-477 ◽  
Author(s):  
Rosanna Capparelli ◽  
Domenico Iannelli ◽  
Aldo Bordi
Keyword(s):  
Monoclonal Antibodies ◽  
Water Buffalo ◽  
Myeloma Cell ◽  
Buffalo Milk ◽  
Spleen Cells ◽  
Myeloma Cell Line ◽  
Mouse Myeloma Cell ◽  
Mouse Myeloma Cell Line ◽  
The Mean ◽  
Mouse Myeloma

SummaryIn order to standardize a radioimmunoassay of milk progesterone as a routine method for confirmation of oestrus and diagnosis of pregnancy in water buffalo, monoclonal antibodies against progesterone were produced. Hybridomas were prepared by fusing spleen cells from a Balb/c mouse immunized with progesterone 11α-hemisuccinate–bovine serum albumin conjugate with the mouse myeloma cell line NS-1. Thirty wells out of 94 secreted anti-progesterone antibodies. Of the ten independent hybridomas derived, one (AF65) was suitable for the quantification of milk progesterone by radioimmunoassay. The tracer used in the assay was progesterone-11α-hemisuccinate ([2-125I]iodohistamine). The sensitivity of the assay was 50 pg/tube. The mean progesterone concentration at oestrus was 0·8±0·2 ng/ml increasing to 8·5±0·8 ng/ml 24 d later in pregnant animals.

scholarly journals Production and Characterization of Monoclonal Antibodies to Psittacine Beak and Feather Disease Virus

1992 ◽  
Vol 4 (1) ◽  
pp. 13-18 ◽  
Author(s):  
Branson W. Ritchie ◽  
Frank D. Niagro ◽  
Kenneth S. Latimer ◽  
W. L. Steffens ◽  
Denise Pesti ◽  
...  
Keyword(s):  
Monoclonal Antibodies ◽  
Myeloma Cell ◽  
Enzyme Linked Immunosorbent Assay ◽  
Spleen Cells ◽  
Myeloma Cell Line ◽  
Elisa System ◽  
Mouse Myeloma Cell Line ◽  
Feather Disease Virus ◽  
Mouse Myeloma

Monoclonal antibodies specific for the virus that causes psittacine beak and feather disease (PBFD) were produced by fusing spleen cells from mice immunized with purified concentrated PBFD virus with mouse myeloma cell line Sp2/0. The resulting hybridomas were tested for reactivity against whole purified virus by an enzyme-linked immunosorbent assay (ELISA) system. Four clones, designated 15H8, 8E3, 11G12, and 2C3, were subcloned by limiting dilution. Isotyping indicated that clone 15H8 was secreting IgG, whereas the remaining clones secreted IgM. The secreted immunoglobulins were characterized by reactivity against purified PBFD virus using immunoblotting procedures, by immunohistochemical staining of virus-induced lesions in infected tissues, and by inhibition of PBFD virus agglutination of cockatoo erythrocytes. Antibodies secreted by clones 15H8 and 8E3 had the strongest activity against purified whole virus. Only immunoglobulin secreted by the clone 15H8 could be used to detect viral antigen in infected tissues. None of the monoclonal antibodies had hemagglutination-inhibition activity.

Nucleotide sequence of an unequal sister chromatid exchange site in a mouse myeloma cell line

1989 ◽  
Vol 9 (3) ◽  
pp. 1324-1326
Author(s):  
D R Katzenberg ◽  
S A Tilley ◽  
B K Birshtein
Keyword(s):  
Nucleotide Sequence ◽  
Cell Line ◽  
Sister Chromatid ◽  
Sister Chromatid Exchange ◽  
Present Report ◽  
Myeloma Cell ◽  
Myeloma Cell Line ◽  
Mouse Myeloma Cell ◽  
Mouse Myeloma Cell Line ◽  
Mouse Myeloma

The mouse myeloma cell line MPC 11 carries two C gamma 2a immunoglobulin heavy-chain genes on the expressed chromosome, a duplication shown to have occurred through unequal sister chromatid exchange (USCE). In the present report, we present the nucleotide sequence of the USCE joint and show that both breaks occurred within tracts of repeated TC dinucleotides. Additional TC dinucleotide tracts and two oligonucleotide segments (N sequences) were inserted at the USCE site.

Biochemical characterization of the cholesterol-dependent growth of the NS-1 mouse myeloma cell line

1986 ◽  
Vol 163 (1) ◽  
pp. 117-126 ◽  
Author(s):  
Jan-Kan Chen ◽  
Tetsuji Okamoto ◽  
J.Denry Sato ◽  
Gordon H. Sato ◽  
Don B. McClure
Keyword(s):  
Cell Line ◽  
Biochemical Characterization ◽  
Myeloma Cell ◽  
Myeloma Cell Line ◽  
Mouse Myeloma Cell ◽  
Mouse Myeloma Cell Line ◽  
Dependent Growth ◽  
Mouse Myeloma

scholarly journals Mouse myeloma cells that make short immunoglobulin heavy chains: pleiotropic effects on glycosylation and chain assembly.

1984 ◽  
Vol 98 (6) ◽  
pp. 2215-2221 ◽  
Author(s):  
A L Kenter ◽  
T Warren ◽  
D Shields ◽  
B K Birshtein
Keyword(s):  
Conformational Changes ◽  
Myeloma Cell ◽  
In Vitro Translation ◽  
Myeloma Cell Line ◽  
Present Evidence ◽  
Heavy Chains ◽  
Mouse Myeloma Cell ◽  
Mouse Myeloma Cell Line ◽  
Mouse Myeloma

Two variants in immunoglobulin heavy chain production, derived from the MPC 11 mouse myeloma cell line, make short heavy (H) chains with identical precise deletions of the CH3 domain. The CH3 domain is expressed in the H chain mRNA from both variants. Although in vitro translation of this mRNA produces one H chain species, deleted heavy chains are secreted as heavy-light (HL) and H2L2 moieties in contrast to MPC 11, which secretes only H2L2 . The heavy chains of HL apparently contain more carbohydrate (CHO+) than do the H chains of H2L2 , and inhibition of N-linked glycosylation results in the secretion of relatively more H2L2 . Here we present evidence suggesting that (a) the absence of the CH3 domain has led to conformational changes in these molecules, (b) these changes permit posttranslational glycosylation, and (c) unrestrained glycosylation can frequently yield unusual CHO+ structures that make complete assembly unlikely.

Mouse Myeloma Cell Line Sp2/0 Multidrug-Resistant Variant as Parental Cell Line for Hybridoma Construction

2003 ◽  
Vol 22 (5) ◽  
pp. 321-327 ◽  
Author(s):  
Marina B. Melixetian ◽  
Maria A. Pavlenko ◽  
Elena V. Beriozkina ◽  
Zoya V. Kovaleva ◽  
Elena A. Sorokina ◽  
...  
Keyword(s):  
Cell Line ◽  
Myeloma Cell ◽  
Multidrug Resistant ◽  
Parental Cell ◽  
Parental Cell Line ◽  
Myeloma Cell Line ◽  
Resistant Variant ◽  
Mouse Myeloma Cell ◽  
Mouse Myeloma Cell Line ◽  
Mouse Myeloma
Sign in / Sign up

Export Citation Format

Share Document