H BLOOD GROUP
\ˈe͡ɪt͡ʃ blˈʌd ɡɹˈuːp], \ˈeɪtʃ blˈʌd ɡɹˈuːp], \ˈeɪ_tʃ b_l_ˈʌ_d ɡ_ɹ_ˈuː_p]\
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The major human blood type system which depends on the presence or absence of two antigens A and B. Type O occurs when neither A nor B is present and AB when both are present. A and B are genetic factors that determine the presence of enzymes for the synthesis of certain glycoproteins mainly in the red cell membrane.
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Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.