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IgA (Immunoglobulin A)
Anti-IgA antibody reacts with surface immunoglobulin IgA alpha chains. It is useful when identifying leukemias, plasmacytomas, and B-cell lineage derived Hodgkin's lymphomas. Due to the restricted expression of heavy and light chains in these diseases, demonstration of B-cell lymphoma/plasmacytoma is aided with this antibody.
IgD (Immunoglobulin D)
Anti-IgD antibody reacts with surface immunoglobulin IgD delta chains. This antibody is useful when identifying leukemias, plasmacytomas, and B-cell lineage derived lymphomas (in particular Marginal Zone Lymphoma). Cytoplasmic staining is easily identified on paraffin tissue. Surface immunoglobulin is difficult to demonstrate on paraffin sections but can be demonstrated on frozen sections.
IgG (Immunoglobulin G)
Anti-IgG antibody reacts with surface immunoglobulin IgG gamma chains. This antibody is useful when identifying leukemias, plasmacytomas, and B-cell lineage derived Hodgkin's lymphomas. Due to the restricted expression of heavy and light chains in these diseases, demonstration of B-cell lymphomas is possible with clonal gene rearrangement studies.
IgG4
IgG4 (MRQ-44) antibody is intended for qualified laboratories to qualitatively identify by light microscopy the presence of associated antigens in sections of formalin-fixed, paraffin-embedded tissue sections using IHC test methods. Use of this antibody is indicated as an aid in the diagnosis of IgG4-related sclerosing diseases within the context of an antibody panel, the patient’s clinical history, and other diagnostic tests evaluated by a qualified pathologist.
IgM (Immunoglobulin M)
Anti-IgM antibody reacts with surface immunoglobulin IgM mu chains. IgM is one of the predominant surface immunoglobulins on B-lymphocytes. This antibody is useful when identifying lymphomas, plasmacytomas, and B-cell lineage derived Hodgkin's lymphomas. Due to the restricted expression of heavy and light chains in these diseases, demonstration of B-cell lymphomas is possible with clonal gene rearrangement studies.
IgVH Mutation Analysis
Test is performed via RT-PCR and bi-directional sequencing of the variable region of the immunoglobulin heavy chain for detection of mutation from germline sequence. IgVH mutation is a significant prognostic marker in chronic lymphocytic leukemia (CLL).
Inhibin (alpha)
Anti-Inhibin alpha is an antibody against a peptide hormone which has demonstrated utility in the differentiation between adrenal cortical tumors and renal cell carcinoma. Sex cord stromal tumors of the ovary as well as trophoblastic tumors also demonstrate cytoplasmic positivity with this antibody. This antibody has been used to make the differential diagnosis of intra-uterine vs. ectopic pregnancy in endometrial curettings.
INI-1
INI-1 (MRQ-27) antibody is intended for qualified laboratories to qualitatively identify by light microscopy the presence of associated antigens in sections of formalin-fixed, paraffin-embedded tissue sections using IHC test methods. This antibody is used subsequent to the diagnosis of malignancy as an aid to classify the disease as malignant rhabdoid tumors within the context of an antibody panel, the patient’s clinical history, and other diagnostic tests evaluated by a qualified pathologist.
Ini-1 (MRQ-27)
The INI-1 gene, which encodes a functionally uncharacterized protein component of the hSWI/SNF chromatin remodeling complex, is often mutated or deleted in malignant rhabdoid tumor (MRT). Two isoforms of INI-1 that differ by the variable inclusion of amino acids are potentially produced by differential RNA splicing.