antibody localization
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2020 ◽  
Vol 3 (2) ◽  
pp. 71-79 ◽  
Author(s):  
Wei-Li Ling ◽  
Wai-Heng Lua ◽  
Samuel Ken-En Gan

Abstract The humanization of antibodies for therapeutics is a critical process that can determine the success of antibody drug development. However, the science underpinning this process remains elusive with different laboratories having very different methods. Well-funded laboratories can afford automated high-throughput screening methods to derive their best binder utilizing a very expensive initial set of equipment affordable only to a few. Often within these high-throughput processes, only standard key parameters, such as production, binding and aggregation are analyzed. Given the lack of suitable animal models, it is only at clinical trials that immunogenicity and allergy adverse effects are detected through anti-human antibodies as per FDA guidelines. While some occurrences that slip through can be mitigated by additional desensitization protocols, such adverse reactions to grafted humanized antibodies can be prevented at the humanization step. Considerations such as better antibody localization, avoidance of unspecific interactions to superantigens and the tailoring of antibody dependent triggering of immune responses, the antibody persistence on cells, can all be preemptively considered through a holistic sagacious approach, allowing for better outcomes in therapy and for research and diagnostic purposes.


2014 ◽  
Vol 115 ◽  
pp. 54-60
Author(s):  
I.A. Serra ◽  
S. Nicastro ◽  
S. Mazzuca ◽  
L. Natali ◽  
A. Cavallini ◽  
...  

2013 ◽  
Vol 104 ◽  
pp. 213-219 ◽  
Author(s):  
I.A. Serra ◽  
S. Nicastro ◽  
S. Mazzuca ◽  
L. Natali ◽  
A. Cavallini ◽  
...  

2000 ◽  
Vol 2 (2) ◽  
pp. 107-115 ◽  
Author(s):  
Christine E. Kasper ◽  
Lin Xun

The effects of prolonged hind-limb unloading on titin antibody localization and expression of titin isozymes of single fibers from the synergistic slow-twitch soleus (SOL) and fast-twitch plantaris (PLN) of adult rats were studied after 14 and 28 days of hind-limb unloading (HU). Titin antibody localization and expression was not altered at 14 days of HU. However, there was a 4% loss in antibody to Z-band distance (Ab-Z) in the SOL and an increase of 8% in PLN Ab-Z after 28 days of HU. The titin and myosin heavy chain composition of single fibers and small bundles of fibers from control and unloaded muscles were examined using 2% to 12% sodium dodecyl sulfate-polyacrylamide gel electrophoresis. There was a marked loss of relative amounts of titin in both SOL and PLN following 28 days of HU. As the protein loads for these measures were identical, the authors conclude that these findings represent an actual loss of titin density rather than a decreased value due to a loss of total muscle mass. Laser scanning densitometry of the titin bands show a marked decrease in density and molecular weight in unloaded SOL. In the PLN, marked losses of titin density were accompanied by decreased electrophoretic motility. The results demonstrate that the titin isoform composition and titin antibody localization of skeletal muscle is altered during hind-limb unloading. Furthermore, as titin is responsible for positional stability of the sarcomere and the fiber during contraction, change in isoforms during HU may predispose atrophied muscle to injury during reuse and recovery.


2000 ◽  
Vol 48 (2) ◽  
pp. 163-165 ◽  
Author(s):  
Richard W. Burry

Immunocytochemistry is used for antibody localization of proteins in cells and tissues. The specificity of the results depends on two independent criteria: the specificity of the antibody and of the method used. The antibody specificity is best determined by immunoblot and or immunoprecipitation. Absorption of the antibody with a protein does not determine that the antibody would have bound to the same protein in the tissue, and therefore is not a good control for antibody specificity. The specificity of the method is best determined by both a negative control, replacing the primary antibody with serum, and a positive control, using the antibody with cells known to contain the protein. With the increasing use of immunocytochemistry, it is important to be aware of the appropriate controls needed to show specificity of the labeling.


1995 ◽  
pp. 257-267
Author(s):  
Manuela F. Berger ◽  
Egbert Oosterwijk ◽  
Neil H. Bander ◽  
Chaitanya R. Divgi ◽  
Sydney Welt ◽  
...  

1992 ◽  
Vol 6 (1) ◽  
pp. 21-27 ◽  
Author(s):  
Atsushi Kubo ◽  
Kayoko Nakamura ◽  
Michiaki Katayama ◽  
Shozo Hashimoto ◽  
Tatsuo Teramoto ◽  
...  

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