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Immunofluorescence pattern of SS-A and SS-B antibodies. Produced using serum from a patient on HEp-20-10 cells with a FITC conjugate. Anti-SSA autoantibodies (anti–Sjögren's-syndrome-related antigen A autoantibodies, also called anti-Ro, or similar names including anti-SSA/Ro, anti-Ro/SSA, anti–SS-A/Ro, and anti-Ro/SS-A) are a type of anti-nuclear autoantibodies that are associated with ...
GAPs control the ability of the GTPase to hydrolyze GTP to GDP, controlling the natural rate of movement from the active conformation to the inactive conformation. GDI proteins form a large complex with the Rho protein, helping to prevent diffusion within the membrane and into the cytosol and thus acting as an anchor and allowing tight spatial ...
Rac1 is a small (~21 kDa) signalling G protein (more specifically a GTPase), and is a member of the Rac subfamily of the family Rho family of GTPases.Members of this superfamily appear to regulate a diverse array of cellular events, including the control of GLUT4 [8] [9] translocation to glucose uptake, cell growth, cytoskeletal reorganization, antimicrobial cytotoxicity, [10] and the ...
Rho-associated protein kinase or Rho-associated coiled-coil kinase (ROCK) is a kinase belonging to the AGC (PKA/ PKG/PKC) family of serine-threonine specific protein kinases. It is involved mainly in regulating the shape and movement of cells by acting on the cytoskeleton .
Antibodies are produced by B cells in two ways: (i) randomly, and (ii) in response to a foreign protein or substance within the body. Initially, one B cell produces one specific kind of antibody. In either case, the B cell is allowed to proliferate or is killed off through a process called clonal deletion. Normally, the immune system is able to ...
RF is a non-specific antibody and seen in about 10% of healthy people, in many other chronic infections like hepatitis C, and chronic autoimmune diseases such as Sjögren's syndrome and systemic lupus erythematosus. Therefore, the test is not specific for RA. [20] Hence, new serological tests check for anti-citrullinated protein antibodies ACPAs.
The physical structure of an antibody allows it to bind to a specific antigen, such as bacterial or viral proteins, [6] to form a complex. [7] Because antibodies are highly specific in what they bind, tests can detect specific antibodies by replicating the antigen which that antibody binds to. Assays can likewise detect specific antigens by ...
The transporter protein acts as a molecular Trojan horse to ferry into brain the therapeutic protein that is genetically fused to the receptor-specific Trojan horse protein. Monoclonal antibody Trojan horses that target the BBB insulin or transferrin receptor have been in drug development for over 10 years at ArmaGen, Inc., a biotechnology ...