Multiple Natural and Experimental Inflammatory Rabbit Lacrimal Gland Phenotypes. 2016

Austin K Mircheff, and Yanru Wang, and Joel E Schechter, and Meng Li, and Warren Tong, and Mayssa Attar, and Murty Chengalvala, and Joe Harmuth, and Jeffery J Prusakiewicz
Department of Physiology & Biophysics, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA; Department of Ophthalmology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA. Electronic address: amirchef@usc.edu.

To investigate lacrimal gland (LG) immunophysiological and immune-mediated inflammatory process (IMIP) phenotype diversity. Ex vivo matured dendritic cells (mDC) were loaded with acinar cell microparticles (MP). Peripheral blood lymphocytes (PBL) were activated in mixed cell reactions with mDC and injected directly into autologous, unilateral LG (1°ATD-LG) of two rabbit cohorts, one naïve, one immunized with a LG lysate membrane fraction (Pi). Autoimmune IgG titers were assayed by ELISA, MCR PBL stimulation indices (SI) by [3H]-thymidine incorporation. Schirmer tests without and with topical anesthetic (STT-I, STT-IA) and rose Bengal (RB) staining tests were performed. H&E and immunohistochemically stained sections were examined. RNA yields and selected transcript abundances were measured. Immune cell number and transcript abundance data were submitted to Principal Component Analysis (PCA). Immunizing Pi dose influenced SI but not IgG titers. STT scores were decreased, and rose Bengal scores increased, by day 118 after immunization. Previous immunization exacerbated scores in 1°ATD-eyes and exacerbated 1°ATD-LG atrophy. IMIP were evident in 2°ATD-LG as well as 1°ATD-LG. PCA described diverse immunophysiological phenotypes in control LG and diverse IMIP phenotypes in ATD-LG. IgG titers and SI pre-adoptive transfer were significantly associated with certain post-adoptive transfer IMIP phenotype features, and certain LG IMIP features were significantly associated with RB and STT IA scores. The underlying variability of normal states may contribute to the diversity of experimental IMIP phenotypes. The ability to generate and characterize diverse phenotypes may lead to phenotype-specific diagnostic and therapeutic paradigms.

UI MeSH Term Description Entries
D007074 Immunoglobulin G The major immunoglobulin isotype class in normal human serum. There are several isotype subclasses of IgG, for example, IgG1, IgG2A, and IgG2B. Gamma Globulin, 7S,IgG,IgG Antibody,Allerglobuline,IgG(T),IgG1,IgG2,IgG2A,IgG2B,IgG3,IgG4,Immunoglobulin GT,Polyglobin,7S Gamma Globulin,Antibody, IgG,GT, Immunoglobulin
D007765 Lacrimal Apparatus The tear-forming and tear-conducting system which includes the lacrimal glands, eyelid margins, conjunctival sac, and the tear drainage system. Lacrimal Gland,Nasolacrimal Apparatus,Conjunctival Sacs,Lacrimal Ducts,Lacrimal Punctum,Lateral Canthus,Medial Canthus,Apparatus, Lacrimal,Apparatus, Nasolacrimal,Canthus, Lateral,Canthus, Medial,Conjunctival Sac,Duct, Lacrimal,Gland, Lacrimal,Lacrimal Duct,Lacrimal Glands,Lacrimal Punctums,Punctum, Lacrimal,Sac, Conjunctival
D008213 Lymphocyte Activation Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mitotically. It is induced by INTERLEUKINS; MITOGENS such as PHYTOHEMAGGLUTININS, and by specific ANTIGENS. It may also occur in vivo as in GRAFT REJECTION. Blast Transformation,Blastogenesis,Lymphoblast Transformation,Lymphocyte Stimulation,Lymphocyte Transformation,Transformation, Blast,Transformation, Lymphoblast,Transformation, Lymphocyte,Activation, Lymphocyte,Stimulation, Lymphocyte
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D003607 Dacryocystitis Inflammation of the lacrimal sac. (Dorland, 27th ed) Dacryoadenitis,Dacryoadenitides,Dacryocystitides
D003713 Dendritic Cells Specialized cells of the hematopoietic system that have branch-like extensions. They are found throughout the lymphatic system, and in non-lymphoid tissues such as SKIN and the epithelia of the intestinal, respiratory, and reproductive tracts. They trap and process ANTIGENS, and present them to T-CELLS, thereby stimulating CELL-MEDIATED IMMUNITY. They are different from the non-hematopoietic FOLLICULAR DENDRITIC CELLS, which have a similar morphology and immune system function, but with respect to humoral immunity (ANTIBODY PRODUCTION). Dendritic Cells, Interdigitating,Interdigitating Cells,Plasmacytoid Dendritic Cells,Veiled Cells,Dendritic Cells, Interstitial,Dendritic Cells, Plasmacytoid,Interdigitating Dendritic Cells,Interstitial Dendritic Cells,Cell, Dendritic,Cell, Interdigitating,Cell, Interdigitating Dendritic,Cell, Interstitial Dendritic,Cell, Plasmacytoid Dendritic,Cell, Veiled,Cells, Dendritic,Cells, Interdigitating,Cells, Interdigitating Dendritic,Cells, Interstitial Dendritic,Cells, Plasmacytoid Dendritic,Cells, Veiled,Dendritic Cell,Dendritic Cell, Interdigitating,Dendritic Cell, Interstitial,Dendritic Cell, Plasmacytoid,Interdigitating Cell,Interdigitating Dendritic Cell,Interstitial Dendritic Cell,Plasmacytoid Dendritic Cell,Veiled Cell
D004195 Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. Animal Disease Model,Animal Disease Models,Disease Model, Animal
D004797 Enzyme-Linked Immunosorbent Assay An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed. ELISA,Assay, Enzyme-Linked Immunosorbent,Assays, Enzyme-Linked Immunosorbent,Enzyme Linked Immunosorbent Assay,Enzyme-Linked Immunosorbent Assays,Immunosorbent Assay, Enzyme-Linked,Immunosorbent Assays, Enzyme-Linked
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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