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Cellular immune response of patients with uveitis to peptide M, a retinal S-antigen fragment. 1993

S Nityanand, and V K Singh, and T Shinohara, and A K Paul, and V Singh, and P K Agarwal, and S S Agarwal
Department of Immunology, Sanjay Gandhi Post-Graduate Institute of Medical Sciences, Lucknow, India.

Peptide M, an 18-amino acid fragment from position 303 to position 320 of retinal S-antigen, produces experimental autoimmune uveitis (EAU), similar to that produced by native S-antigen, in several vertebrate species including nonhuman primates. It was observed that 12 of the 39 (30.7%) patients with uveitis, 1 of the 29 (3.4%) patients with systemic connective tissue disorders (CTD) without eye involvement, 2 of the 7 (5.8%) patients of CTD with uveitis, 1 of the 17 (5.8%) patients with diabetic retinopathy, and none of the 19 normal healthy controls showed a significant lymphoproliferative response to peptide M (stimulation index of 3 or more). Yeast histone H3 peptide gave a positive response in 1 (2.5%), 2 (6.8%), 1 (14.2%), 2 (11.7%), and 2 (10.5%) individuals, respectively, in the different groups studied. In a few cases a positive response to yeast histone H3 peptide was observed without significant stimulation to peptide M. These findings indicate that peptide M could also be an immunogenic epitope of S-antigen in humans and be aetiopathologically related to uveitis in a subset of patients with this disease. However, unlike experimental animals, the responses to peptide M and yeast histone H3 were nonconcordant, necessitating further studies.

UI MeSH Term Description Entries
D007111 Immunity, Cellular Manifestations of the immune response which are mediated by antigen-sensitized T-lymphocytes via lymphokines or direct cytotoxicity. This takes place in the absence of circulating antibody or where antibody plays a subordinate role. Cell-Mediated Immunity,Cellular Immune Response,Cell Mediated Immunity,Cell-Mediated Immunities,Cellular Immune Responses,Cellular Immunities,Cellular Immunity,Immune Response, Cellular,Immune Responses, Cellular,Immunities, Cell-Mediated,Immunities, Cellular,Immunity, Cell-Mediated,Response, Cellular Immune
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
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D010446 Peptide Fragments Partial proteins formed by partial hydrolysis of complete proteins or generated through PROTEIN ENGINEERING techniques. Peptide Fragment,Fragment, Peptide,Fragments, Peptide
D002417 Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. Beef Cow,Bos grunniens,Bos indicus,Bos indicus Cattle,Bos taurus,Cow,Cow, Domestic,Dairy Cow,Holstein Cow,Indicine Cattle,Taurine Cattle,Taurus Cattle,Yak,Zebu,Beef Cows,Bos indicus Cattles,Cattle, Bos indicus,Cattle, Indicine,Cattle, Taurine,Cattle, Taurus,Cattles, Bos indicus,Cattles, Indicine,Cattles, Taurine,Cattles, Taurus,Cow, Beef,Cow, Dairy,Cow, Holstein,Cows,Dairy Cows,Domestic Cow,Domestic Cows,Indicine Cattles,Taurine Cattles,Taurus Cattles,Yaks,Zebus
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D003930 Diabetic Retinopathy Disease of the RETINA as a complication of DIABETES MELLITUS. It is characterized by the progressive microvascular complications, such as ANEURYSM, interretinal EDEMA, and intraocular PATHOLOGIC NEOVASCULARIZATION. Diabetic Retinopathies,Retinopathies, Diabetic,Retinopathy, Diabetic
D005136 Eye Proteins PROTEINS derived from TISSUES of the EYE. Proteins, Eye

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