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ATH01

ATH01

Histone

Native - Calf Thymus
US $89.00
Vial Size
Qty.
Histone H1,H2A,H2B,H3 and H4
Autoantibodies against histones (AHAs) are observed in a number of autoimmune diseases. AHA are reported in 50-80% of patients with Systemic Lupus Erythematosus (SLE) being highest in patients with active disease. Although H1 and H2B are the most common targets in SLE, many SLE patients have conformation-dependent AHA, directed against the histone complex. AHA have particular clinical significance for drug-induced lupus, particularly in the diagnosis of antinuclear antibody positive patients receiving procanamide, hydralazine and isoniazide. AHA are also prevalent in Felty’s syndrome, rheumatoid arthritis and juvenile arthritis, scleroderma, systemic sclerosis and mixed connective tissue disease. AHA (predominantly against H1) are also observed in approximately 76% of patients with primary biliary cirrhosis.

Histones are small DNA-binding proteins and the major protein component of the nucleosome. The nucleosome consists of 146 base pairs of DNA wrapped around an octomer of core histone proteins composed of a central tetramer of two H3-H4 dimers flanked by two H2A-H2B dimers. Histone H1 is a linker histone, present between each nucleosome, and is responsible for establishing chromatin structure. The molecular weights of the core histones range from 11,000 to 15,000. Histone H1 is larger, with a molecular weight of 23,000. All of the histones contain many basic amino acids, with histones H3 and H4 being arginine rich, while H2A and H2B are slightly lysine-rich.

Histone amino acid sequences are highly conserved between species, even between animals and plants.  AROTEC histone antigen is prepared from calf thymus chromatin and contains the five main histones, H1, H2A, H2B, H3 and H4, extracted and purified without the use of harsh denaturing reagents to ensure maximum reactivity with human autoantibodies.
  PDF-logo-dl Histone datasheet
Systemic Lupus Erythematosus
Drug-induced Lupus Erythematosus
Scleroderma
Systemic Sclerosis
Rheumatoid Arthritis
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  • Cohen, M.G. et al. (1992) Ann. Rheum. Dis. 51, 61
  • Monestier, M. & Kotzin, B. (1992) In (Ed. Pisetsky, D.) RheumaticDisease Clinics of North America, 18, 415
  • Vedove, C.D. et al. (2009) Arch. Dermatol. Res. 301, 99
  • Parodi, A. et al. (1995) Dermatology 191, 16
  • Sato, S. et al. (1993) Arthritis Rheum. 36, 1137
  • Sato, S. et al. (1998) Ann. Rheum. Dis. 57, 470
  • Wayakau, T. et al. (2007) Rheumatol. Int. 28, 113
  • Burlingame, R.W. et al. (1985) Science 228, 546
  • Rodriguez-Collazo, P. et al. (2009) Nucleic Acids Res. 37, e81
  • Feldman, L. & Stollar, B.D. (1977) Biochem. 16, 27671
  • Sato, S. et al. (1994) Arch. Dermatol. 130, 12731
  • Dieker, J.W. et al. (2007) Arthritis Rheum. 56, 19211
  • Baxevanis, A.D. & Landsman, D. (1996) Nucleic Acids Res. 24, 245
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AROTEC Diagnostics
AROTEC have been producing and supplying premium reagents to the diagnostic industry since our incorporation in 1996
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+64 4569 0361

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Lower Hutt, 
Wellington