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Differential diagnosis of chronic lymphocytic leukemia and diffuse well-differentiated lymphoma using monoclonal antibodies. 1988

P M Chen, and C H Tzeng, and M W Chaung, and H Chiang, and H M Yeh, and J L Su, and K I Shiao, and B N Chiang
Department of Medicine, Veterans General Hospital, Taipei, Taiwan.

Diffuse well-differentiated lymphocytic lymphoma (DWDL) with leukemic change and chronic lymphocytic leukemia (CLL) are not significantly different in morphology, immunophenotype and clinical course. Two monoclonal antibodies (MoAbs), designated L20 and A01, were established with respective reactivity against DWDL and CLL cells. The L20 MoAb reacted with both DWDL and CLL cells, and 20-50% of normal B cells. The second MoAb, A01, reacted not only with CLL cells but also with 33% of non-T, non-B cells. Immunoprecipitation patterns of L20 and A01 MoAbs against 125I-surface-labeled BALL and Daudi cell extracts revealed respective bands with molecular weights of 86 and 66 kilodaltons. These results showed that DWDL and CLL cells are different in nature, and that these two MoAbs can be used to distinguish DWDL from CLL cells.

UI MeSH Term Description Entries
D007938 Leukemia A progressive, malignant disease of the blood-forming organs, characterized by distorted proliferation and development of leukocytes and their precursors in the blood and bone marrow. Leukemias were originally termed acute or chronic based on life expectancy but now are classified according to cellular maturity. Acute leukemias consist of predominately immature cells; chronic leukemias are composed of more mature cells. (From The Merck Manual, 2006) Leucocythaemia,Leucocythemia,Leucocythaemias,Leucocythemias,Leukemias
D007945 Leukemia, Lymphoid Leukemia associated with HYPERPLASIA of the lymphoid tissues and increased numbers of circulating malignant LYMPHOCYTES and lymphoblasts. Leukemia, Lymphocytic,Lymphocytic Leukemia,Lymphoid Leukemia,Leukemias, Lymphocytic,Leukemias, Lymphoid,Lymphocytic Leukemias,Lymphoid Leukemias
D008297 Male Males
D001773 Blood Cells The cells found in the body fluid circulating throughout the CARDIOVASCULAR SYSTEM. Blood Corpuscles,Blood Cell,Blood Corpuscle,Cell, Blood,Cells, Blood,Corpuscle, Blood,Corpuscles, Blood
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D003937 Diagnosis, Differential Determination of which one of two or more diseases or conditions a patient is suffering from by systematically comparing and contrasting results of diagnostic measures. Diagnoses, Differential,Differential Diagnoses,Differential Diagnosis
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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