Apoptosis/physiology; B-Lymphocytes/pathology; Cell Cycle Proteins/physiology; Cyclins/physiology; DNA-Binding Proteins; G1 Phase/physiology; Phosphatidylinositol 3-Kinases/physiology; Protein Serine-Threonine Kinases; Proteins; Receptors, Antigen, B-Cell/physiology; Signal Transduction/physiology; Tumor Suppressor Proteins/physiology; Antibodies, Anti-Idiotypic/pharmacology; B-Lymphocytes/drug effects; B-Lymphocytes/metabolism; Cell Cycle Proteins/biosynthesis; Cell Cycle Proteins/genetics; Chromones/pharmacology; Cyclin D2; Cyclin-Dependent Kinase Inhibitor p27; Cyclins/biosynthesis; Cyclins/genetics; E2F Transcription Factors; Enzyme Inhibitors/pharmacology; G1 Phase/drug effects; Gene Expression Regulation, Neoplastic/drug effects; Gene Expression Regulation, Neoplastic/physiology; Humans; Lymphoma, B-Cell/pathology; MAP Kinase Signaling System/drug effects; Morpholines/pharmacology; Neoplasm Proteins/antagonists & inhibitors; Neoplasm Proteins/physiology; Nuclear Proteins/physiology; Phosphoinositide-3 Kinase Inhibitors; Phosphoproteins/physiology; Phosphorylation/drug effects; Protein Processing, Post-Translational/drug effects; Proto-Oncogene Proteins/physiology; Proto-Oncogene Proteins c-akt; RNA, Messenger/biosynthesis; RNA, Neoplasm/biosynthesis; Recombinant Fusion Proteins/physiology; Retinoblastoma Protein/physiology; Retinoblastoma-Like Protein p107; Retinoblastoma-Like Protein p130; Transcription Factors/antagonists & inhibitors; Tumor Cells, Cultured/drug effects; Tumor Cells, Cultured/metabolism; Tumor Cells, Cultured/pathology