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D'Aiello A, Lin J, Gucalp R, Tabatabaie V, Cheng H, Bloomgarden N, Tomer Y, Halmos B. P09.03 Thyroid Dysfunction in Lung Cancer Patients Treated With Immune Checkpoint Inhibitors (ICI): Outcomes in a Multiethnic Urban Cohort. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Redondo MJ, Geyer S, Steck AK, Sharp S, Wentworth JM, Weedon MN, Antinozzi P, Sosenko J, Atkinson M, Pugliese A, Oram RA, Antinozzi P, Atkinson M, Battaglia M, Becker D, Bingley P, Bosi E, Buckner J, Colman P, Gottlieb P, Herold K, Insel R, Kay T, Knip M, Marks J, Moran A, Palmer J, Peakman M, Philipson L, Pugliese A, Raskin P, Rodriguez H, Roep B, Russell W, Schatz D, Wherrett D, Wilson D, Winter W, Ziegler A, Benoist C, Blum J, Chase P, Clare-Salzler M, Clynes R, Eisenbarth G, Fathman C, Grave G, Hering B, Kaufman F, Leschek E, Mahon J, Nanto-Salonen K, Nepom G, Orban T, Parkman R, Pescovitz M, Peyman J, Roncarolo M, Simell O, Sherwin R, Siegelman M, Steck A, Thomas J, Trucco M, Wagner J, Greenbaum ,CJ, Bourcier K, Insel R, Krischer JP, Leschek E, Rafkin L, Spain L, Cowie C, Foulkes M, Krause-Steinrauf H, Lachin JM, Malozowski S, Peyman J, Ridge J, Savage P, Skyler JS, Zafonte SJ, Kenyon NS, Santiago I, Sosenko JM, Bundy B, Abbondondolo M, Adams T, Amado D, Asif I, Boonstra M, Bundy B, Burroughs C, Cuthbertson D, Deemer M, Eberhard C, Fiske S, Ford J, Garmeson J, Guillette H, Browning G, Coughenour T, Sulk M, Tsalikan E, Tansey M, Cabbage J, Dixit N, Pasha S, King M, Adcock K, Geyer S, Atterberry H, Fox L, Englert K, Mauras N, Permuy J, Sikes K, Berhe T, Guendling B, McLennan L, Paganessi L, Hays B, Murphy C, Draznin M, Kamboj M, Sheppard S, Lewis V, Coates L, Moore W, Babar G, Bedard J, Brenson-Hughes D, Henderson C, Cernich J, Clements M, Duprau R, Goodman S, Hester L, Huerta-Saenz L, Karmazin A, Letjen T, Raman S, Morin D, Henry M, Bestermann W, Morawski E, White J, Brockmyer A, Bays R, Campbell S, Stapleton A, Stone N, Donoho A, Everett H, Heyman K, Hensley H, Johnson M, Marshall C, Skirvin N, Taylor P, Williams R, Ray L, Wolverton C, Nickels D, Dothard C, Hsiao B, Speiser P, Pellizzari M, Bokor L, Izuora K, Abdelnour S, Cummings P, Paynor S, Leahy M, Riedl M, Shockley S, Karges C, Saad R, Briones T, Casella S, Herz C, Walsh K, Greening J, Hay F, Hunt S, Sikotra N, Simons L, Keaton N, Karounos D, Oremus R, Dye L, Myers L, Ballard D, Miers W, Sparks R, Thraikill K, Edwards K, Fowlkes J, Kinderman A, Kemp S, Morales A, Holland L, Johnson L, Paul P, Ghatak A, Phelen K, Leyland H, Henderson T, Brenner D, Law P, Oppenheimer E, Mamkin I, Moniz C, Clarson C, Lovell M, Peters A, Ruelas V, Borut D, Burt D, Jordan M, Leinbach A, Castilla S, Flores P, Ruiz M, Hanson L, Green-Blair J, Sheridan R, Wintergerst K, Pierce G, Omoruyi A, Foster M, Linton C, Kingery S, Lunsford A, Cervantes I, Parker T, Price P, Urben J, Doughty I, Haydock H, Parker V, Bergman P, Liu S, Duncum S, Rodda C, Thomas A, Ferry R, McCommon D, Cockroft J, Perelman A, Calendo R, Barrera C, Arce-Nunez E, Lloyd J, Martinez Y, De la Portilla M, Cardenas I, Garrido L, Villar M, Lorini R, Calandra E, D’Annuzio G, Perri K, Minuto N, Malloy J, Rebora C, Callegari R, Ali O, Kramer J, Auble B, Cabrera S, Donohoue P, Fiallo-Scharer R, Hessner M, Wolfgram P, Maddox K, Kansra A, Bettin N, 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Hefty D, Klein J, Kuhns K, Letlau M, Lord S, McCulloch-Olson M, Miller L, Nepom G, Odegard J, Ramey M, Sachter E, St. Marie M, Stickney K, VanBuecken D, Vellek B, Webber C, Allen L, Bollyk J, Hilderman N, Ismail H, Lamola S, Sanda S, Vendettuoli H, Tridgell D, Monzavi R, Bock M, Fisher L, Halvorson M, Jeandron D, Kim M, Wood J, Geffner M, Kaufman F, Parkman R, Salazar C, Goland R, Clynes R, Cook S, Freeby M, Gallagher MP, Gandica R, Greenberg E, Kurland A, Pollak S, Wolk A, Chan M, Koplimae L, Levine E, Smith K, Trast J, DiMeglio L, Blum J, Evans-Molina C, Hufferd R, Jagielo B, Kruse C, Patrick V, Rigby M, Spall M, Swinney K, Terrell J, Christner L, Ford L, Lynch S, Menendez M, Merrill P, Pescovitz M, Rodriguez H, Alleyn C, Baidal D, Fay S, Gaglia J, Resnick B, Szubowicz S, Weir G, Benjamin R, Conboy D, deManbey A, Jackson R, Jalahej H, Orban T, Ricker A, Wolfsdorf J, Zhang HH, Wilson D, Aye T, Baker B, Barahona K, Buckingham B, Esrey K, Esrey T, Fathman G, Snyder R, Aneja B, Chatav M, 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Eckert J, Ehler A, Eisenbarth G, Fain P, Fiallo-Scharer R, Frank N, Goettle H, Haarhues M, Harris S, Horton L, Hutton J, Jeffrrey J, Jenison R, Jones K, Kastelic W, King MA, Lehr D, Lungaro J, Mason K, Maurer H, Nguyen L, Proto A, Realsen J, Schmitt K, Schwartz M, Skovgaard S, Smith J, Vanderwel B, Voelmle M, Wagner R, Wallace A, Walravens P, Weiner L, Westerhoff B, Westfall E, Widmer K, Wright H, Schatz D, Abraham A, Atkinson M, Cintron M, Clare-Salzler M, Ferguson J, Haller M, Hosford J, Mancini D, Rohrs H, Silverstein J, Thomas J, Winter W, Cole G, Cook R, Coy R, Hicks E, Lewis N, Marks J, Pugliese A, Blaschke C, Matheson D, Sanders-Branca N, Sosenko J, Arazo L, Arce R, Cisneros M, Sabbag S, Moran A, Gibson C, Fife B, Hering B, Kwong C, Leschyshyn J, Nathan B, Pappenfus B, Street A, Boes MA, Eck SP, Finney L, Fischer TA, Martin A, Muzamhindo CJ, Rhodes M, Smith J, Wagner J, Wood B, Becker D, Delallo K, Diaz A, Elnyczky B, Libman I, Pasek B, Riley K, Trucco M, Copemen B, Gwynn D, 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Castleden H, Farthing N, Loud S, Matthews C, McGhee J, Morgan A, Pollitt J, Elliot-Jones R, Wheaton C, Knip M, Siljander H, Suomalainen H, Colman P, Healy F, Mesfin S, Redl L, Wentworth J, Willis J, Farley M, Harrison L, Perry C, Williams F, Mayo A, Paxton J, Thompson V, Volin L, Fenton C, Carr L, Lemon E, Swank M, Luidens M, Salgam M, Sharma V, Schade D, King C, Carano R, Heiden J, Means N, Holman L, Thomas I, Madrigal D, Muth T, Martin C, Plunkett C, Ramm C, Auchus R, Lane W, Avots E, Buford M, Hale C, Hoyle J, Lane B, Muir A, Shuler S, Raviele N, Ivie E, Jenkins M, Lindsley K, Hansen I, Fadoju D, Felner E, Bode B, Hosey R, Sax J, Jefferies C, Mannering S, Prentis R, She J, Stachura M, Hopkins D, Williams J, Steed L, Asatapova E, Nunez S, Knight S, Dixon P, Ching J, Donner T, Longnecker S, Abel K, Arcara K, Blackman S, Clark L, Cooke D, Plotnick L, Levin P, Bromberger L, Klein K, Sadurska K, Allen C, Michaud D, Snodgrass H, Burghen G, Chatha S, Clark C, Silverberg J, Wittmer C, 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Trunnel S, Transue D, Surhigh J, Bezzaire D, Moltz K, Zacharski E, Henske J, Desai S, Frizelis K, Khan F, Sjoberg R, Allen K, Manning P, Hendry G, Taylor B, Jones S, Couch R, Danchak R, Lieberman D, Strader W, Bencomo M, Bailey T, Bedolla L, Roldan C, Moudiotis C, Vaidya B, Anning C, Bunce S, Estcourt S, Folland E, Gordon E, Harrill C, Ireland J, Piper J, Scaife L, Sutton K, Wilkins S, Costelloe M, Palmer J, Casas L, Miller C, Burgard M, Erickson C, Hallanger-Johnson J, Clark P, Taylor W, Galgani J, Banerjee S, Banda C, McEowen D, Kinman R, Lafferty A, Gillett S, Nolan C, Pathak M, Sondrol L, Hjelle T, Hafner S, Kotrba J, Hendrickson R, Cemeroglu A, Symington T, Daniel M, Appiagyei-Dankah Y, Postellon D, Racine M, Kleis L, Barnes K, Godwin S, McCullough H, Shaheen K, Buck G, Noel L, Warren M, Weber S, Parker S, Gillespie I, Nelson B, Frost C, Amrhein J, Moreland E, Hayes A, Peggram J, Aisenberg J, Riordan M, Zasa J, Cummings E, Scott K, Pinto T, Mokashi A, McAssey K, Helden E, Hammond P, Dinning L, Rahman S, Ray S, Dimicri C, Guppy S, Nielsen H, Vogel C, Ariza C, Morales L, Chang Y, Gabbay R, Ambrocio L, Manley L, Nemery R, Charlton W, Smith P, Kerr L, Steindel-Kopp B, Alamaguer M, Tabisola-Nuesca E, Pendersen A, Larson N, Cooper-Olviver H, Chan D, Fitz-Patrick D, Carreira T, Park Y, Ruhaak R, Liljenquist D. A Type 1 Diabetes Genetic Risk Score Predicts Progression of Islet Autoimmunity and Development of Type 1 Diabetes in Individuals at Risk. Diabetes Care 2018; 41:1887-1894. [PMID: 30002199 PMCID: PMC6105323 DOI: 10.2337/dc18-0087] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 06/06/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE We tested the ability of a type 1 diabetes (T1D) genetic risk score (GRS) to predict progression of islet autoimmunity and T1D in at-risk individuals. RESEARCH DESIGN AND METHODS We studied the 1,244 TrialNet Pathway to Prevention study participants (T1D patients' relatives without diabetes and with one or more positive autoantibodies) who were genotyped with Illumina ImmunoChip (median [range] age at initial autoantibody determination 11.1 years [1.2-51.8], 48% male, 80.5% non-Hispanic white, median follow-up 5.4 years). Of 291 participants with a single positive autoantibody at screening, 157 converted to multiple autoantibody positivity and 55 developed diabetes. Of 953 participants with multiple positive autoantibodies at screening, 419 developed diabetes. We calculated the T1D GRS from 30 T1D-associated single nucleotide polymorphisms. We used multivariable Cox regression models, time-dependent receiver operating characteristic curves, and area under the curve (AUC) measures to evaluate prognostic utility of T1D GRS, age, sex, Diabetes Prevention Trial-Type 1 (DPT-1) Risk Score, positive autoantibody number or type, HLA DR3/DR4-DQ8 status, and race/ethnicity. We used recursive partitioning analyses to identify cut points in continuous variables. RESULTS Higher T1D GRS significantly increased the rate of progression to T1D adjusting for DPT-1 Risk Score, age, number of positive autoantibodies, sex, and ethnicity (hazard ratio [HR] 1.29 for a 0.05 increase, 95% CI 1.06-1.6; P = 0.011). Progression to T1D was best predicted by a combined model with GRS, number of positive autoantibodies, DPT-1 Risk Score, and age (7-year time-integrated AUC = 0.79, 5-year AUC = 0.73). Higher GRS was significantly associated with increased progression rate from single to multiple positive autoantibodies after adjusting for age, autoantibody type, ethnicity, and sex (HR 2.27 for GRS >0.295, 95% CI 1.47-3.51; P = 0.0002). CONCLUSIONS The T1D GRS independently predicts progression to T1D and improves prediction along T1D stages in autoantibody-positive relatives.
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Affiliation(s)
- Maria J. Redondo
- Texas Children’s Hospital, Baylor College of Medicine, Houston, TX
| | | | - Andrea K. Steck
- Barbara Davis Center for Childhood Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Seth Sharp
- Institute of Biomedical and Clinical Science, University of Exeter, Exeter, U.K
| | - John M. Wentworth
- Walter and Eliza Hall Institute of Medical Research and Royal Melbourne Hospital, Parkville, Victoria, Australia
| | - Michael N. Weedon
- Institute of Biomedical and Clinical Science, University of Exeter, Exeter, U.K
| | | | | | | | | | - Richard A. Oram
- Institute of Biomedical and Clinical Science, University of Exeter, Exeter, U.K
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Abstract
Autoimmune thyroid diseases (AITD) are postulated to develop as a result of a complex interplay between several genetic and environmental influences. The pathogenesis of AITD is still not clearly defined. However, among the implicated triggers (e.g. iodine, infections, medications), more recent data confirmed strong associations of AITD with the hepatitis C virus (HCV) infection and interferon-α (IFNα) therapy. Moreover, it is likely that HCV and IFN act in synergism to trigger AITD in patients. Indeed, approximately 40% of HCV patients develop either clinical or subclinical disease while receiving IFNα. Interferon induced thyroiditis (IIT) can manifest as non-autoimmune thyroiditis (presenting as destructive thyroiditis, or non-autoimmune hypothyroidism), or autoimmune thyroiditis [presenting with clinical features of Graves' disease (GD) or Hashimoto's thyroiditis (HT)]. Although not yet clearly understood, it is thought that IFNα can induce thyroiditis via both immune stimulatory and direct toxic effects on the thyroid. In view of the high frequency of IIT, routine screening and surveillance of HCV patients receiving IFNα is recommended to avoid the complications, such as cardiac arrhythmias, associated with thyrotoxicosis. In summary, IIT is a common clinical problem that can be readily diagnosed with routine thyroid function screening of HCV patients receiving IFN. The treatment of IIT consists of the standard therapy for differing clinical manifestations of IIT such as GD, HT, or destructive thyroiditis. However, anti-thyroid medications are not recommended in this setting since they can potentially be hepatotoxic.
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Affiliation(s)
- F Menconi
- Division of Endocrinology, Department of Medicine, Mount Sinai Medical Center, One Gustave L. Levy Place, New York, NY 10029, USA.
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Atochina-Vasserman EN, Abramova EV, Tomer Y, Scott P, Nazarov VA, Kruglov SV, Beers MF, Gow AJ, Malyshev IY. SP-D-dependent regulation of NO metabolism in lipopolysaccharide-stimulated peritoneal macrophages. Bull Exp Biol Med 2009; 147:415-20. [PMID: 19704937 PMCID: PMC4382752 DOI: 10.1007/s10517-009-0525-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
This work was designed to study the role of surfactant protein D in the regulation of NO synthesis by "non-alveolar" microphages. We evaluated whether the effects of surfactant protein D depend on the phenotype of macrophages. In the absence of surfactant protein D, the LPS-induced iNOS response was shown to decrease in macrophages of native and proinflammatory phenotypes by 30%, and in macrophages of the antiinflammatory phenotype (by 63%). Under the influence of lipopolysaccharide in high doses (500 ng/ml), NO(2)*- production by mouse macrophages without surfactant protein D was reduced in native cells (by 25%), but increased in proinflammatory (by 40%) and antiinflammatory phenotypes (by 12% compared to mouse macrophages with surfactant protein D). Our results suggest that surfactant protein D is involved in the immune response in the whole organism, but not only in the lungs. The effect of surfactant protein D depends on the phenotype of macrophages.
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Jacobson EM, Huber AK, Akeno N, Sivak M, Li CW, Concepcion E, Ho K, Tomer Y. A CD40 Kozak sequence polymorphism and susceptibility to antibody-mediated autoimmune conditions: the role of CD40 tissue-specific expression. Genes Immun 2007; 8:205-14. [PMID: 17344890 DOI: 10.1038/sj.gene.6364375] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Previously, we and others have demonstrated the association of a C/T single nucleotide polymorphism (SNP), in the Kozak sequence of CD40, with Graves' disease (GD). Here, using an expanded data set of patients, we confirm the association of the CD40 SNP with GD (n=210, P=0.002, odds ratio (OR)=1.8). Subset analysis of patients with persistently elevated thyroid peroxidase (TPO) and/or thyroglobulin (Tg) antibodies (Abs), (TPO/Tg Abs), after treatment (n=126), revealed a significantly stronger association of the SNP with disease (P=5.2 x 10(-5), OR=2.5) than in GD patients who were thyroid antibody-negative. However, the CD40 SNP was not associated with TPO/Tg Abs in healthy individuals. Next, we tested the CD40 SNP for association with Myasthenia Gravis (MG), which, like GD is an antibody-mediated autoimmune condition. Analysis of 81 MG patients found no association of the SNP with disease. Functional studies revealed significant expression of CD40 mRNA and protein in the thyroid (target tissue in GD) but not in skeletal muscle (target tissue in MG). Combined, our genetic and tissue expression data suggest that the CD40 Kozak SNP is specific for thyroid antibody production involved in the etiology of GD. Increased thyroidal expression of CD40 driven by the SNP may contribute to this disease specificity.
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Affiliation(s)
- E M Jacobson
- Division of Endocrinology, University of Cincinnati College of Medicine, Vontz Center of Molecular Medicine, Cincinnati, OH 45267, USA.
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Ban Y, Davies TF, Greenberg DA, Concepcion ES, Osman R, Oashi T, Tomer Y. Arginine at position 74 of the HLA-DR beta1 chain is associated with Graves' disease. Genes Immun 2004; 5:203-8. [PMID: 15029234 DOI: 10.1038/sj.gene.6364059] [Citation(s) in RCA: 105] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Graves' disease (GD) is associated with HLA-DR3 (DRB1*03) in Caucasians, but the exact amino-acid sequence in the DR beta1 chain conferring susceptibility to GD is unknown. Therefore, the aim of our study was to identify the critical sequence among the HLA-DRB1 amino-acid residues occupying the peptide-binding pocket, which conferred susceptibility to GD. We sequenced the HLA-DRB1 locus in 208 Caucasian GD patients and 149 Caucasian controls. Sequence analysis showed an increased frequency of DR beta-Arg-74 in GD patients compared to controls (41.8 and 13.4%, respectively; P=2.3 x 10(-8), OR=4.6). Moreover, subset analyses showed that DR beta-Arg-74 was also significantly more frequent in the HLA-DR3 negative GD patients than in controls (7.6 vs 0.8%, P=0.02, OR=10.5), suggesting that the association with DR beta-Arg-74 is independent of the association with HLA-DR3. Structural modeling studies demonstrated that the change at position 74 from the neutral amino acids Ala or Gln to the positively charged amino-acid Arg significantly modifies the three-dimensional structure of the DR peptide-binding pocket. Our results suggested that structural heterogeneity of the DR beta-chain peptide-binding pocket P4 at residue 74 predispose some at risk individuals to GD.
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Affiliation(s)
- Y Ban
- Division of Endocrinology, Diabetes, and Bone Diseases, Department of Medicine, Mount Sinai School of Medicine, New York, NY 10029, USA
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7
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Ban Y, Davies TF, Greenberg DA, Kissin A, Marder B, Murphy B, Concepcion ES, Villanueva RB, Barbesino G, Ling V, Tomer Y. Analysis of the CTLA-4, CD28, and inducible costimulator (ICOS) genes in autoimmune thyroid disease. Genes Immun 2004; 4:586-93. [PMID: 14647199 DOI: 10.1038/sj.gene.6364018] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The cytotoxic T lymphocyte-associated antigen-4 (CTLA-4) gene on 2q33 is associated with autoimmune thyroid diseases (AITDs). Our earlier study in 56 families showed linkage of 2q33 to the presence of thyroid antibodies (TAbs). The goals of this study were to confirm the linkage of the 2q33 region to TAbs, to fine map this region, and study the ICOS gene. We performed a linkage study in an expanded data set of 99 multiplex AITD-TAb families (529 individuals). The highest two-point LOD score of 2.9 was obtained for marker D2S325 on 2q33. To fine map this locus, we genotyped 238 Caucasian AITD patients and 137 controls for five additional markers in the linked locus, which contained the CTLA-4, CD28, and ICOS genes. The A/G single-nucleotide polymorphism at position 49 of CTLA-4 was associated with AITD (P=0.01, OR=1.5), while markers inside CD28 and ICOS were not. Functional studies have shown that the G allele was associated with reduced inhibition of T-cell proliferation by CTLA-4. We concluded that: (1) the AITD gene in the 2q33 locus is the CTLA-4 gene and not the CD28 or ICOS genes; and (2) the G allele is associated with decreased function of CTLA-4.
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Affiliation(s)
- Y Ban
- Division of Endocrinology, Diabetes, and Bone Diseases, Mount Sinai School of Medicine Box 1055, New York, NY 10029, USA.
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8
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Abstract
There is abundant evidence for a genetic influence on the development of autoimmune thyroid diseases (AITD). One measure of the magnitude of genetic contribution to the development of a disease is the sibling risk ratio (lambda(s)). Recent accurate prevalence data for hypothyroidism and hyperthyroidism in the United States reported from the National Health and Nutrition Examination Survey III (NHANES III) study have now allowed us to compute the sibling recurrence risk for AITD. Patients were recruited from our endocrine clinic on the basis of having AITD. The inclusion of patients in this study was unambiguously single ascertainment. We studied 155 patients (131 with Graves' disease [GD] and 24 with Hashimoto's thyroiditis [HT]) who had reliable information on the presence or absence of AITD in siblings. Nine probands had siblings with GD and 13 probands had siblings with HT. Using the prevalence rates from NHANES III for clinical hyperthyroidism and hypothyroidism, the calculated lambda(s) was 16.9 for AITD, 11.6 for GD, and 28.0 for HT. These results confirm the significant contribution of genetic factors to the development of AITD.
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Affiliation(s)
- R Villanueva
- Division of Endocrinology, Diabetes and Bone Diseases, Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA
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Davies TF, Greenberg D, Tomer Y. The genetics of the autoimmune thyroid diseases. Ann Endocrinol (Paris) 2003; 64:28-30. [PMID: 12707630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
AIM To understand the modern approach to finding the genes responsible for complex diseases when compared to simple Mendelian inheritance. To define the autoimmune thyroid diseases as we now understand them and introduce the concept of disease heterogeneity. To review the evidence for a genetic contribution to autoimmune thyroid disease as opposed to environmental factors and to be aware of new information generated from recent studies concerning the role of HLA, immune modulators, and new loci of interest providing susceptibility to the autoimmune thyroid diseases.
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Affiliation(s)
- T F Davies
- Mount Sinai School of Medicine, New York, New York, USA
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Haczku A, Tomer Y, Scanlon S, Cao Y, Beers M. Surfactant protein (SP)-D inhibits T cell dependent allergic responses. J Allergy Clin Immunol 2003. [DOI: 10.1016/s0091-6749(03)80337-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Abstract
OBJECTIVES The autoimmune thyroid diseases (AITDs) comprising Graves' disease (GD) and Hashimoto's thyroiditis (HT) are complex genetic diseases, which result from an interaction between predisposing genes and environmental triggers. The aim of our study was to dissect the genetic predisposition to GD and HT in one large Chinese family with multiple members affected with AITD. PATIENTS We completed a whole genome screen of a large multiplex Chinese-American family. We enrolled 27 family members from three generations. Eight members were affected with AITD, six had GD and two had HT. DESIGN We determined the information limits of the family. Power calculations indicated that the maximum attainable LOD scores were 5.1 assuming dominant inheritance, and 3.4 assuming recessive inheritance. These estimates both assumed 100% penetrance and one gene. Whole genome screening was performed using 400 highly polymorphic and densely spaced microsatellite markers spanning the entire human genome (intermarker distance < 10 cM). Linkage analysis was performed using two-point and multipoint parametric and nonparametric methods. RESULTS Initial whole genome screening performed with 400 microsatellite markers identified two markers that showed evidence for linkage to AITD in this family, D11S4191 and D9S175, with two-point LOD scores of 2.31 and 2.05, respectively. Multipoint linkage analysis focusing on the regions containing these markers revealed a maximum multipoint LOD score (MLS) of 2.13 and a nonparametric linkage score (NPL) of 6.1 for D11S4191 and an MLS of 2.01 and NPL of 7.5 for D9S175. CONCLUSIONS These results showed that this Chinese family harboured susceptibility loci for AITD which were distinct from those previously found in the Caucasian population. This suggests that different susceptibility loci exist between different ethnic groups. Furthermore, even within a single family from a genetically homogenous population, more than one gene was involved in the genetic susceptibility to AITD, supporting the notion that AITDs are caused by multiple genes of varying influences.
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Affiliation(s)
- R Villanueva
- Division of Endocrinology and Metabolism, Department of Medicine, Mount Sinai School of Medicine, New York, NY 10029, USA.
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12
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Affiliation(s)
- Y Oppenheim
- Mount Sinai School of Medicine, New York, NY 10029, USA.
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Zhou Y, Dong Q, Louahed J, Dragwa C, Savio D, Huang M, Weiss C, Tomer Y, McLane MP, Nicolaides NC, Levitt RC. Characterization of a calcium-activated chloride channel as a shared target of Th2 cytokine pathways and its potential involvement in asthma. Am J Respir Cell Mol Biol 2001; 25:486-91. [PMID: 11694454 DOI: 10.1165/ajrcmb.25.4.4578] [Citation(s) in RCA: 105] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Interleukin (IL)-9 is a T helper (Th) 2 cytokine recently implicated as an essential factor in determining susceptibility to asthma. Transgenic mice overexpressing IL-9 exhibit many features that are characteristic of human asthma. To better understand the mechanism by which IL-9 mediates the various biologic activities in asthma, we performed suppressive subtraction hybridization with whole lung from IL-9 transgenic and control mice. Here we report the identification of mCLCA3, a calcium-activated chloride channel that was specifically induced in the lung epithelium of IL-9 transgenic mice. Expression of mCLCA3 could also be induced by intratracheal administration of IL-9 or other Th2 cytokines (IL-4, IL-13), but not by interferon-gamma. Moreover, expression of mCLCA3 was induced in the lung of antigen-exposed mice, and this induction could be suppressed by neutralizing IL-9 antibody treatment, indicating IL-9 is both necessary and sufficient to induce mCLCA3 in this experimental model of asthma. Finally, we demonstrate that hCLCA1 is the human counterpart to mCLCA3 and is also induced in vitro in human primary lung cells by Th2 cytokine treatment. Together, these data strongly implicate the involvement of mCLCA3 (in mice) and hCLCA1 (in humans) in the pathogenesis of Th2 cytokine-mediated asthmatic disorders.
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Affiliation(s)
- Y Zhou
- Genaera Institute of Molecular Medicine, Genaera Corporation, 5110 Campus Drive, Plymouth Meeting, PA 19462, USA
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Slavcheva E, Albanis E, Jiao Q, Tran H, Bodian C, Knight R, Milford E, Schiano T, Tomer Y, Murphy B. Cytotoxic T-lymphocyte antigen 4 gene polymorphisms and susceptibility to acute allograft rejection. Transplantation 2001; 72:935-40. [PMID: 11571462 DOI: 10.1097/00007890-200109150-00032] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND Cytotoxic T-lymphocyte antigen 4 (CTLA4) has been shown to play a critical role in the down-regulation of the immune response. We retrospectively examined the association between acute rejection and two polymorphisms in the CTLA4 gene, the dinucleotide (AT)n repeat polymorphism in exon 3 and the single nucleotide polymorphism A/G at position 49 in exon 1, in a cohort of liver and kidney transplant recipients. METHODS AND RESULTS A total of 207 liver and 167 renal transplant recipients were analyzed. In the case of the (AT)n repeat polymorphism we found an increased incidence of acute rejection in association with allele 3 and 4 in both liver and kidney (P=0.002 and 0.05, respectively). In addition, in liver transplant recipients, allele 7 was associated with acute rejection independent of ethnicity (P<0.05). Allele 1 was less frequently observed in African American as compared with Caucasian liver and kidney transplant recipients, with a frequency of 33.8% and 69%, respectively (P<0.0001). Those patients with allele 1 had a tendency toward a lower rate of rejection at 42% versus 57.8% (P=0.058), suggesting a potential protective effect of allele 1. Analysis of the A/G single nucleotide polymorphism demonstrated no association between either allele and the incidence of acute rejection in the patients studied. CONCLUSION These initial observations provide the necessary basis to further investigate the risk stratification of transplant recipients based on specific CTLA4 gene polymorphisms.
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Affiliation(s)
- E Slavcheva
- Division of Nephrology, Mount Sinai School of Medicine, 1 Gustave L. Levy Place, Box 1243, New York, NY 10029, USA
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15
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Affiliation(s)
- A E Schneider
- Mount Sinai School of Medicine, New York, NY 10029, USA
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16
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Haczku A, Atochina EN, Tomer Y, Chen H, Scanlon ST, Russo S, Xu J, Panettieri RA, Beers MF. Aspergillus fumigatus-induced allergic airway inflammation alters surfactant homeostasis and lung function in BALB/c mice. Am J Respir Cell Mol Biol 2001; 25:45-50. [PMID: 11472974 DOI: 10.1165/ajrcmb.25.1.4391] [Citation(s) in RCA: 71] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The differential regulation of pulmonary surfactant proteins (SPs) is demonstrated in a murine model of Aspergillus fumigatus (Af )-induced allergic airway inflammation and hyperresponsiveness. BALB/c mice were sensitized intraperitoneally and challenged intranasally with Af extract. Enzyme-linked immunosorbent assay analysis of serum immunoglobulin (Ig) levels in these mice showed markedly increased total IgE and Af-specific IgE and IgG1. This was associated with peribronchial/perivascular tissue inflammation, airway eosinophilia, and secretion of interleukin (IL)-4 and IL-5 into the bronchoalveolar lavage fluid (BALF). Functional analysis revealed that in comparison with nonsensitized mice, allergic sensitization and challenge resulted in significant increases in acetylcholine responsiveness. To analyze levels of SPs, the cell-free supernate of the BALF was further fractionated by high-speed (20,000 x g) centrifugation. After sensitization and challenges, the pellet (large-aggregate fraction) showed a selective downregulation of hydrophobic SPs SP-B and SP-C by 50%. This reduction was reflected by commensurate decreases in SP-B and SP-C messenger RNA (mRNA) expression of the lung tissue of these animals. In contrast, there was a 9-fold increase in SP-D protein levels in the 20,000 x g supernate without changes in SP-D mRNA. The increased levels of SP-D showed a significant positive correlation with serum IgE (r = 0.85, P < 0.001). Tissue mRNA and protein levels of SP-A in either the large- or the small-aggregate fractions were unaffected. Our data indicate that allergic airway inflammation induces selective inhibition of hydrophobic SP synthesis accompanied by marked increases in the lung collectin SP-D protein content of BALF. These changes may contribute significantly to the pathophysiology of Af-induced allergic airway hyperresponsiveness.
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Affiliation(s)
- A Haczku
- Pulmonary, Allergy and Critical Care Division, Department of Medicine, University of Pennsylvania School of Medicine, 421 Curie Blvd., Philadelphia, PA 19104, USA.
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17
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Abstract
One of the hallmarks of the human autoimmune thyroid diseases (AITDs) is the production of high titers of autoantibodies against thyroglobulin and thyroid peroxidase that often precedes the development of clinical disease. A high percentage of family members of patients with AITDs have significant titers of thyroid antibodies (TAbs), suggesting a genetic predisposition for their development, and segregation analyses have favored a dominant mode of inheritance. The aim of the present study was to identify the susceptibility genes for TAb production. We completed a genome-wide scan in 56 multiplex families (323 individuals) in which all family members with AITDs and/or detectable TAbs were considered affected. The highest 2-point logarithm of odds (LOD) score of 3.6 was obtained for marker D2S325 on chromosome 2q33 at 210.9 centimorgans. This locus showed no evidence for linkage to Graves' disease or Hashimoto's thyroiditis (2-point LOD scores, 0.42 for Graves' disease and -0.60 for Hashimoto's thyroiditis), demonstrating that the gene in this region conferred susceptibility to TAbs, but that clinical disease development required additional genetic and/or environmental factors. We then fine-mapped the region linked with TAbs using 11 densely spaced microsatellite markers. Multipoint linkage analysis using these markers showed a maximum LOD score of 4.2 obtained for marker D2S155 at 209.8 centimorgans (with heterogeneity, alpha = 0.41). As the linked region contained the CTLA-4 and CD28 genes, we then tested whether they were the susceptibility genes for TAbs on chromosome 2q33. The CD28 gene was sequenced in 15 individuals, and a new C/T single nucleotide polymorphism (SNP) was identified in intron 3. Analysis of this SNP revealed no association with TAbs in the probands of the linked families (families that were linked with D2S155) compared with controls. The CTLA-4 gene was analyzed using the known A/G(49) SNP, and the results showed a significantly increased frequency of the G allele in the probands of the linked families compared with the probands of the unlinked families or with controls (P = 0.02). We concluded that 1) a major gene for thyroid autoantibody production was located on chromosome 2q33; 2) the TAb gene on chromosome 2q33 was most likely the CTLA-4 gene and not the CD28 gene; and 3) CTLA-4 contributed to the genetic susceptibility to TAb production, but there was no evidence that it contributed specifically to Graves' or Hashimoto's diseases.
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Affiliation(s)
- Y Tomer
- Division of Endocrinology and Metabolism, Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA.
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Louahed J, Zhou Y, Maloy WL, Rani PU, Weiss C, Tomer Y, Vink A, Renauld J, Van Snick J, Nicolaides NC, Levitt RC, Haczku A. Interleukin 9 promotes influx and local maturation of eosinophils. Blood 2001; 97:1035-42. [PMID: 11159534 DOI: 10.1182/blood.v97.4.1035] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The interleukin 9 (IL-9) pathway has recently been associated with the asthmatic phenotype including an eosinophilic tissue inflammation. The mechanism by which IL-9 affects eosinophils (eos) is not known. To investigate whether this cytokine has a direct activity on the development of eos and eosinophilic inflammation, a model of thioglycolate-induced peritoneal inflammation was used in IL-9 transgenic (TG5) and background strain (FVB) mice. In this model, a transient eosinophilic infiltration in the peritoneal cavity was observed in FVB mice 12 to 24 hours after thioglycolate injection that coincided with peak IL-5 and IL-9 release. In contrast, TG5 mice developed a massive eosinophilia that persisted at high levels (81% of total cells) even 72 hours after thioglycolate injection. Release of eosinophilic major basic protein (MBP), IL-4, and IL-5 to the peritoneal cavity of these mice was significantly increased when compared with the control FVB strain. To study the mechanism by which IL-9 exerts its effect on eos, bone marrow or peritoneal cells were cultured in the presence of IL-5, IL-9, or their combination in vitro. IL-5 alone was able to generate significant numbers of eos in TG5 but not FVB mice, whereas a combination of IL-5 and IL-9 induced marked eosinophilia in both strains indicating a synergism between these 2 cytokines. These data suggest that IL-9 may promote and sustain eosinophilic inflammation via IL-5-driven eos maturation of precursors.
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Affiliation(s)
- J Louahed
- Magainin Institute of Molecular Medicine, Magainin Pharmaceuticals, Inc, Plymouth Meeting, PA, USA
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Tucci S, Futterweit W, Concepcion ES, Greenberg DA, Villanueva R, Davies TF, Tomer Y. Evidence for association of polycystic ovary syndrome in caucasian women with a marker at the insulin receptor gene locus. J Clin Endocrinol Metab 2001; 86:446-9. [PMID: 11232039 DOI: 10.1210/jcem.86.1.7274] [Citation(s) in RCA: 86] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The polycystic ovary syndrome (PCOS) is one of the commonest female endocrinopathies affecting 5-10% of women of reproductive age. The disorder, characterized by chronic anovulation and signs of hyperandrogenism, results from a complex interaction between genetic predisposing factors and environmental triggers. We have studied 85 Caucasian PCOS patients and 87 age-matched Caucasian control women for associations with four candidate genes: follistatin, CYP19 (aromatase), CYP17a, and the insulin receptor (INSR). These genes were analyzed using microsatellite markers located near or inside the genes. We found that only the insulin receptor gene marker D19S884 was significantly associated with PCOS (p=0.006 and even after a conservative correction p=0.042). The INSR gene region was then fine mapped with an additional panel of 9 markers but only marker D19S884, located 1 cM telomeric to the INSR gene, was again associated with PCOS. In conclusion, our results suggested that a susceptibility gene for PCOS was located on chromosome 19p13.3 in the insulin receptor gene region. It remains to be determined if this susceptibility gene is the insulin receptor gene itself or a closely located gene. Since insulin stimulates androgen secretion by the ovarian stroma it is likely that INSR function in the ovary is involved in the genetic susceptibility ot PCOS.
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Affiliation(s)
- S Tucci
- Division of Endocrinology and Metabolism, Department of Medicine, Mount Sinai School of Medicine, New York, New York, USA
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21
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Villanueva R, Inzerillo AM, Tomer Y, Barbesino G, Meltzer M, Concepcion ES, Greenberg DA, MacLaren N, Sun ZS, Zhang DM, Tucci S, Davies TF. Limited genetic susceptibility to severe Graves' ophthalmopathy: no role for CTLA-4 but evidence for an environmental etiology. Thyroid 2000; 10:791-8. [PMID: 11041456 DOI: 10.1089/thy.2000.10.791] [Citation(s) in RCA: 87] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Graves' disease (GD) is an autoimmune thyroid disease (AITD) characterized by hyperthyroidism and by the occurrence of a distinctive ophthalmopathy (orbitopathy), which presents with varying degrees of severity. Graves' disease clusters in families but the importance of heredity in the pathogenesis of the associated ophthalmopathy is unclear. We have studied the family history of 114 consecutive, ethnically mixed patients with severe Graves' ophthalmopathy (GO). Patients were selected by unambiguous single ascertainment. Seventy-seven percent of patients were female and 59% smoked. The mean age at onset of their GD was 43 years (range 17-78 years). Forty-one patients (36%) had a family history of AITD, defined as a first- and/or a second-degree relative affected with either Graves' disease (GD) or Hashimoto's thyroiditis (HT). The segregation ratio for AITD in nuclear families in our ascertained Graves' ophthalmopathy families was 0.07 (0.12 in Caucasians only). Hence, the higher prevalence of AITD among relatives of Graves' ophthalmopathy patients agreed with the known genetic predisposition to AITD and this predisposition was stronger in women than in men. However, only 3 of the 114 patients had a family history of severe Graves' ophthalmopathy (all second-degree relatives) and the segregation ratio for GO was 0. These data did not support a major role for familial factors in the development of severe Graves' ophthalmopathy distinct from Graves' disease itself. In addition, we tested 4 candidate genes, human leukocyte antigen (HLA), tumor necrosis factor-beta (TNF-beta), CTLA-4 and the thyrotropin receptor (TSHR), for association with Graves' ophthalmopathy. These were negative except for the HLA and CTLA-4 genes, which were found to be weakly associated with GO giving similar relative risk (RR) as in GD patients without ophthalmopathy. These data suggested that environmental factors, rather than major genes, were likely to predispose certain individuals with AITD to severe Graves' ophthalmopathy. Smoking remains one example of such potential external insults.
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Affiliation(s)
- R Villanueva
- Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA
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Chen QY, Nadell D, Zhang XY, Kukreja A, Huang YJ, Wise J, Svec F, Richards R, Friday KE, Vargas A, Gomez R, Chalew S, Lan MS, Tomer Y, Maclaren NK. The human leukocyte antigen HLA DRB3*020/DQA1*0501 haplotype is associated with Graves' disease in African Americans. J Clin Endocrinol Metab 2000; 85:1545-9. [PMID: 10770195 DOI: 10.1210/jcem.85.4.6523] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Information on genetic susceptibility to Graves' disease in African Americans is limited. We studied DRB1, DQB1, DRB3 subtypes, DQA1*0501, DQA1*0201, and CTLA-4 polymorphisms in 49 African American patients with adult onset Graves' disease and 47 racially-matched controls using PCR-based sequence-specific priming methods. There were no significant differences in DRB1 or DQB1 allelic frequencies or CTLA-4 polymorphisms between patients and controls. However, we found that the frequency of DRB3 was significantly increased in the patients (75.5% vs. 57.4%, P = 0.006, X2 = 3.52), especially for the DRB3*0202 subtype (53.1% vs. 23.4, P = 0.003, X2 = 8.91). In this one respect, the finding was in concordance with our previous observations in Caucasian patients with adult-onset Graves' disease. In addition, whereas the frequency of DQA1*0501 was increased (P = 0.018, X2 = 5.63) in our patients, the haplotype of DRB3/DQA1*0501, or DRB3*0202/DQA1*0501 was found to be more strongly associated (P = 0.008, X2 = 7.0; P = 0.0008, X2 = 11.34, respectively). These data suggest that DRB3*0202, particularly when found with DQA1*0501 in a haplotype is a susceptible gene(s) for Graves' disease in adult African Americans. Considering these data with those in Caucasian patients, our results would suggest that the primary Graves susceptible locus is likely DRB3 and not DRB1.
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Affiliation(s)
- Q Y Chen
- The Research Institute for Children, Children's Hospital, Harahan, Louisiana 70123, USA
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23
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Affiliation(s)
- Y Tomer
- Mount Sinai School of Medicine, New York, NY 10029, USA
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24
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Tomer Y, Barbesino G, Greenberg DA, Concepcion E, Davies TF. Mapping the major susceptibility loci for familial Graves' and Hashimoto's diseases: evidence for genetic heterogeneity and gene interactions. J Clin Endocrinol Metab 1999; 84:4656-64. [PMID: 10599734 DOI: 10.1210/jcem.84.12.6216] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The autoimmune thyroid diseases (AITDs), comprising Graves' disease (GD) and Hashimoto's thyroiditis (HT), appear to develop as a result of a complex interaction between predisposing genes and environmental triggers. The goals of the present study were to identify the susceptibility loci for GD and HT and to study the relationships between them. We performed a whole genome linkage study on a dataset of 56 multiplex, multigenerational AITD families (354 individuals), using 387 microsatellite markers. We identified 6 loci that showed evidence for linkage to AITD. Only one locus, on chromosome 6 [AITD-1; 80 centimorgans (cM)], was linked with both GD and HT [maximum LOD score (MLS), 2.9]. This locus was close to, but distinct from, the human leukocyte antigen region. One locus on chromosome 13 (HT-1; 96 cM) was linked to HT (MLS, 2.1), and another locus on chromosome 12 (HT-2; 97 cM) was linked to HT in a subgroup of the families (MLS, 3.8). Three loci showed evidence for linkage with GD: GD-1 on chromosome 14 (99 cM; MLS, 2.5), GD-2 on chromosome 20 (56 cM; MLS, 3.5), and GD-3 on chromosome X (114 cM; MLS, 2.5). Since GD-2 showed the strongest evidence for linkage to GD we fine-mapped this locus to a 1-cM interval between markers at 55 and 56 cM on chromosome 20. These results demonstrated that 1) Graves' and Hashimoto's diseases are genetically heterogeneous, with only one locus in common to both diseases on chromosome 6; 2) only one HT locus was identified in all families, probably due to heterogeneity of the HT phenotype; and 3) three loci were shown to induce genetic susceptibility to GD by interacting with each other. One of them (GD-2) was fine-mapped to a 1-cM interval.
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Affiliation(s)
- Y Tomer
- Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA.
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25
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Tomer Y, Barak V, Gilburd B, Shoenfeld Y. Cytokines in experimental autoimmune vasculitis: evidence for a Th2 type response. Clin Exp Rheumatol 1999; 17:521-6. [PMID: 10544833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
OBJECTIVE To investigate the pathogenic role of cytokines in the development of experimental autoimmune vasculitis. METHODS BALB/c mice were immunized with human IgG-ANCA from a patient with WG. Control mice were immunized with normal human IgG. Levels of mouse IgG-ANCA and other autoantibodies were determined. The mice lungs and kidneys were examined for the development of vasculitis. Levels of interleukin-1 beta (IL-1 beta), IL-2, IL-4, IL-6, interferon gamma (IFN gamma) and TNF alpha were determined by ELISA two weeks after immunization of the mice. RESULTS Mice immunized with human IgG-ANCA developed anti-human IgG-ANCA (= Ab2) and anti-anti-human IgG-ANCA (mouse IgG-ANCA = Ab3), while the controls did not develop these antibodies. The mice that were immunized with human IgG-ANCA developed perivascular mononuclear cell infiltrates in the lungs, suggesting vasculitis. Levels of IL-4, IL-6 and TNF alpha but not IL-1 beta, IL-2 and IFN gamma were significantly elevated in the mice 2 weeks after immunization with IgG-ANCA. CONCLUSION Our results suggest a pathogenic role for IL-4, IL-6 and TNF alpha in the initiation phase of autoimmune vasculitis. This suggests that a Th2 type immune response is responsible for the initiation of experimental autoimmune lung vasculitis, similar to Wegener's granulomatosis in humans.
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Affiliation(s)
- Y Tomer
- Department of Medicine B, Sheba Medical Center, Tel Hashomer, Israel
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Abstract
The present study was undertaken to investigate whether active induction of systemic lupus erythematosus (SLE) in non-obese diabetic (NOD) mice could affect their development of insulin-dependent diabetes mellitus (IDDM). NOD mice were immunized with a human IgM mAb carrying the 16/6 idiotype (MIV-7) or with control human IgM. The mice were bled monthly and tested for SLE-associated autoantibodies in the serum and for the presence of leukopenia, thrombocytopenia, proteinuria and immunoglobulin deposits in the kidneys. The development of diabetes was determined by a blood glucose level exceeding 15 mM on two consecutive weekly determinations and by the presence of insulitis in the pancreas. The NOD mice immunized with MIV-7 developed high and persistent levels of autoantibodies, including anti-DNA, anti-histones and anti-cardiolipin, untreated mice and those immunized with normal human IgM did not produce these autoantibodies. The MIV-7-immunized mice also manifested an elevated erythrocyte sedimentation rate, leukopenia, thrombocytopenia and significant proteinuria, as well as deposits of Ig in their kidney glomeruli. Thus, NOD mice immunized with MIV-7 developed both autoantibodies and clinical features of SLE. The MIV-7-treated mice, however, showed a significantly lower incidence of IDDM (25%vs. 90%, P<0.003), accompanied by amelioration of the insulitis. The present study indicates that the induction of SLE by idiotypic immunization can protect NOD mice from developing IDDM, pointing to the importance of immune dysregulation in shift from one autoimmune disease to another.
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Affiliation(s)
- I Krause
- Research Unit of Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Israel
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Tomer Y, Barbesino G, Greenberg DA, Concepcion E, Davies TF. Linkage analysis of candidate genes in autoimmune thyroid disease. III. Detailed analysis of chromosome 14 localizes Graves' disease-1 (GD-1) close to multinodular goiter-1 (MNG-1). International Consortium for the Genetics of Autoimmune Thyroid Disease. J Clin Endocrinol Metab 1998; 83:4321-7. [PMID: 9851771 DOI: 10.1210/jcem.83.12.5343] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The autoimmune thyroid diseases [Graves' and Hashimoto's diseases (GD and HT)] develop in genetically susceptible individuals, but the genes responsible for this susceptibility remain unknown. To identify such genes, we have been testing candidate genes and chromosomal regions using highly polymorphic microsatellite markers. We recently reported evidence for the first locus linked to GD (GD-1) on chromosome 14q31 in a small group of families. We have now extended these studies and analyzed 53 multiplex families with GD and/or HT (323 individuals). Chromosome 14 was screened using 16 microsatellite markers spanning the entire chromosome. Three additional markers located inside candidate genes on chromosome 14 were also studied. Microsatellite markers were amplified using fluorescent-labeled primers and separated on an ABI-310 genetic analyzer. The data were analyzed using LIPED software for two-point logarithm of odds (LOD) score analysis and GeneHunter software for multipoint linkage analysis. No linkage of any marker was found to HT or autoimmune thyroid diseases (GD+HT). The previously identified GD-1 locus on 14q31 continued to show evidence of linkage to GD in this much larger set of families. The maximum LOD score was 2.1 obtained for marker D14S81 (theta=0.01), assuming a recessive mode of inheritance and a penetrance of 0.3. Multipoint analysis yielded a maximum LOD score of 2.5 between markers D14S81 and D14S1054. There was no evidence for heterogeneity in our sample. These data again suggest the presence of a major Graves' disease susceptibilitygene (GD-1) on chromosome 14q31. This locus is close to the recently identified multinodular goiter-1 locus.
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Affiliation(s)
- Y Tomer
- Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA.
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Tomer Y, Barbesino G, Greenberg DA, Concepcion E, Davies TF. A new Graves disease-susceptibility locus maps to chromosome 20q11.2. International Consortium for the Genetics of Autoimmune Thyroid Disease. Am J Hum Genet 1998; 63:1749-56. [PMID: 9837828 PMCID: PMC1377647 DOI: 10.1086/302146] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The autoimmune thyroid diseases (AITDs) include two related disorders, Graves disease (GD) and Hashimoto thyroiditis, in which perturbations of immune regulation result in an immune attack on the thyroid gland. The AITDs are multifactorial and develop in genetically susceptible individuals. However, the genes responsible for this susceptibility remain unknown. Recently, we initiated a whole-genome linkage study of patients with AITD, in order to identify their susceptibility genes. We studied a data set of 53 multiplex, multigenerational AITD families (323 individuals), using highly polymorphic and densely spaced microsatellite markers (intermarker distance <10 cM). Linkage analysis was performed by use of two-point and multipoint parametric methods (classic LOD-score analysis). While studying chromosome 20, we found a locus on chromosome 20q11.2 that was strongly linked to GD. A maximum two-point LOD score of 3.2 was obtained at marker D20S195, assuming a recessive mode of inheritance and a penetrance of.3. The maximum nonparametric LOD score was 2.4 (P=.00043); this score also was obtained at marker D20S195. Multipoint linkage analysis yielded a maximum LOD score of 3.5 for a 6-cM interval between markers D20S195 and D20S107. There was no evidence for heterogeneity in our sample. In our view, these results indicate strong evidence for linkage and suggest the presence of a major GD-susceptibility gene on chromosome 20q11.2.
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Affiliation(s)
- Y Tomer
- Division of Endocrinology and Metabolism, Department of Medicine, Mount Sinai School of Medicine, New York, USA.
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Tomer Y. Calculating the anion gap for patients with acidosis and hyperglycemia. Ann Intern Med 1998; 129:753. [PMID: 9841622 DOI: 10.7326/0003-4819-129-9-199811010-00033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Barbesino G, Tomer Y, Concepcion ES, Davies TF, Greenberg DA. Linkage analysis of candidate genes in autoimmune thyroid disease. II. Selected gender-related genes and the X-chromosome. International Consortium for the Genetics of Autoimmune Thyroid Disease. J Clin Endocrinol Metab 1998; 83:3290-5. [PMID: 9745443 DOI: 10.1210/jcem.83.9.5091] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Hashimoto's thyroiditis (HT) and Graves' disease (GD) are autoimmune thyroid diseases (AITD) in which multiple genetic factors are suspected to play an important role. Until now, only a few minor risk factors for these diseases have been identified. Susceptibility seems to be stronger in women, pointing toward a possible role for genes related to sex steroid action or mechanisms related to genes on the X-chromosome. We have studied a total of 45 multiplex families, each containing at least 2 members affected with either GD (55 patients) or HT (72 patients), and used linkage analysis to target as candidate susceptibility loci genes involved in estrogen activity, such as the estrogen receptor alpha and beta and the aromatase genes. We then screened the entire X-chromosome using a set of polymorphic microsatellite markers spanning the whole chromosome. We found a region of the X-chromosome (Xq21.33-22) giving positive logarithm of odds (LOD) scores and then reanalyzed this area with dense markers in a multipoint analysis. Our results excluded linkage to the estrogen receptor alpha and aromatase genes when either the patients with GD only, those with HT only, or those with any AITD were considered as affected. Linkage to the estrogen receptor beta could not be totally ruled out, partly due to incomplete mapping information for the gene itself at this time. The X-chromosome data revealed consistently positive LOD scores (maximum of 1.88 for marker DXS8020 and GD patients) when either definition of affectedness was considered. Analysis of the family data using a multipoint analysis with eight closely linked markers generated LOD scores suggestive of linkage to GD in a chromosomal area (Xq21.33-22) extending for about 6 cM and encompassing four markers. The maximum LOD score (2.5) occurred at DXS8020. In conclusion, we ruled out a major role for estrogen receptor alpha and the aromatase genes in the genetic predisposition to AITD. Estrogen receptor beta remains a candidate locus. We found a locus on Xq21.33-22 linked to GD that may help to explain the female predisposition to GD. Confirmation of these data in HT may require study of an extended number of families because of possible heterogeneity.
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Affiliation(s)
- G Barbesino
- Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA.
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Abstract
There is a strong association between neoplasms and autoimmune diseases. Numerous autoimmune phenomena have been reported in malignancies and conversely: malignant tumors are diagnosed in increasing frequency in autoimmune conditions. We review the most common autoimmune diseases and autoantibodies found in malignancies, discuss the therapeutic role of these autoantibodies in cancer, and summarize the current knowledge on malignant transformation in autoimmunity.
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Affiliation(s)
- Y Tomer
- Research Unit of Autoimmune Diseases and Department of Medicine, Sheba Medical Center, Tel-Hashomer and Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
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Barbesino G, Tomer Y, Concepcion E, Davies TF, Greenberg DA. Linkage analysis of candidate genes in autoimmune thyroid disease: 1. Selected immunoregulatory genes. International Consortium for the Genetics of Autoimmune Thyroid Disease. J Clin Endocrinol Metab 1998; 83:1580-4. [PMID: 9589659 DOI: 10.1210/jcem.83.5.4813] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Graves' and Hashimoto's diseases are autoimmune thyroid diseases in which the genetic contribution is complex. For this reason, identification of necessary susceptibility genes has been difficult. However, a number of immunoregulatory genes have been implicated by association studies, including: CTLA-4, a recently described protein involved in antigen presentation, located on chromosome 2q33; the T-cell receptor V alpha and V beta gene complexes, located on 14q11 and 7q35, respectively; and the Ig gene complex (IgH), located on 15q11. We used polymorphic microsatellite markers located within these genes, or gene complexes, to test for linkage (rather than association), to each of these candidates. Using markers within the loci allowed us to assume a fixed recombination fraction of 0.01 in the tested model. Three hundred eight subjects from 48 multiplex families were studied, with 142 affected subjects. Using this set of families, we have previously shown evidence of linkage with a major susceptibility locus for Graves' disease (GD-1) on 14q24.3-31, with a maximum lod (logarithm + odds) score of 2.1, at a penetrance of 80% and with a dominant mode of inheritance. In the present study, we obtained consistently negative lod scores for each of the candidate genes, assuming either dominant or recessive modes of inheritance. These data, therefore, showed evidence against linkage with all the candidate genes. Unlike association studies, linkage analyses detect major genetic influences on disease susceptibility exerted by the linked loci. The lack of linkage for the immunoregulatory genes that were studied indicated, therefore, that they were not major contributors to disease etiology.
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MESH Headings
- Abatacept
- Antigens, CD
- Antigens, Differentiation/genetics
- CTLA-4 Antigen
- Chromosomes, Human, Pair 14
- Chromosomes, Human, Pair 15
- Chromosomes, Human, Pair 2
- Female
- Graves Disease/genetics
- Humans
- Immunity/genetics
- Immunoconjugates
- Immunosuppressive Agents
- Lod Score
- Male
- Receptors, Antigen, T-Cell, alpha-beta/genetics
- Thyroiditis, Autoimmune/genetics
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Affiliation(s)
- G Barbesino
- Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA.
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Abstract
Graves' disease (GD) develops as a result of a complex interaction between genetic susceptibility genes and likely environmental factors. Most epidemiological data support an important genetic contribution to the development of GD. The concordance rate of GD in monozygotic twins is 30-60% and in dizygotic twins 3-9%, and thyroid autoantibodies have been reported in up to 50% of the siblings of patients with GD. For many years now, HLA studies have consistently shown an increased frequency of HLA-DR3 in Caucasian patients with GD; but with only a risk ratio of 3-5. However, recent advances in human genome mapping techniques have enabled the study of many other candidate genes. Of these additional, non-HLA genes, only CTLA-4 has been consistently found to be associated with GD. Using a linkage based approach which only detects highly significant susceptibility genes we have recently reported preliminary results which demonstrated that a marker located approximately 25 cM from the TSH receptor gene on chromosome 14q31 is linked to GD and in the same vicinity as the IDDM-11 locus. Such results, if confirmed, may signal the presence of a gene family related to endocrine autoimmunity on chromosome 14q31.
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Affiliation(s)
- Y Tomer
- Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA
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Tomer Y, Lider O, Gilburd B, Hershkoviz R, Meroni PL, Wiik A, Shoenfeld Y. Anti-neutrophil cytoplasmic antibody-enriched IgG induces adhesion of human T lymphocytes to extracellular matrix proteins. Clin Immunol Immunopathol 1997; 83:245-53. [PMID: 9175913 DOI: 10.1006/clin.1997.4339] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Recent studies have shown that anti-neutrophil cytoplasmic antibodies (ANCA) can activate neutrophils to adhere to endothelium, degranulate, and cause endothelial cell injury. These data have lead to the hypothesis that the T cell inflammatory response causing the vasculitis in Wegener's granulomatosis (WG) is secondary to stimulation of neutrophils by ANCA. So far there is no evidence for a direct effect of ANCA on lymphocytes. The present study was designed to examine whether lymphocytes can be directly stimulated by ANCA to adhere to endothelial extracellular matrix (ECM) proteins. Human and mouse ANCA-enriched IgG were tested for their ability to increase adhesion of human T lymphocytes to fibronectin, laminin, and intact ECM. Incubation of human T lymphocytes with human ANCA-enriched IgG increased adhesion of the lymphocytes in a dose-dependent manner to fibronectin, laminin, and intact ECM (the percentage adhesion to intact ECM was 55.7 +/- 3.1 and 45.0 +/- 1.0% for lymphocytes incubated with human IgG containing ANCA or control human IgG, respectively; P = 0.0045). The same induction of adhesion to fibronectin, laminin, and intact ECM was observed when the cells were incubated with the F(ab)2 fragment of ANCA-enriched IgG. Similarly, ANCA-enriched IgG produced in mice increased the adhesion of lymphocytes to fibronectin (the percentage adhesion to fibronectin was 29.7 +/- 4.3 and 16.6 +/- 1.9% for lymphocytes incubated with mouse IgG-ANCA or control mouse IgG, respectively; P = 0.0008). These results may suggest that ANCA can directly stimulate lymphocytes to adhere to endothelial ECM and to induce the vasculitic lesions of WG. It remains to be shown by which mechanisms ANCA stimulate lymphocytes to adhere to ECM.
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Affiliation(s)
- Y Tomer
- Department of Medicine B', Sheba Medical Center, Tel-Hashomer, Israel
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Abstract
The autoimmune thyroid diseases (AITD), encompassing Graves' disease (GD) and Hashimoto's thyroiditis (HT), occur in genetically susceptible individuals. In order to identify the AITD susceptibility genes, we have studied DNA markers in the regions of 8 candidate genes: (1) the HLA region, (2) the TSH receptor, (3) thyroid peroxidase, (4) thyroglobulin, (5) IDDM-4, (6) IDDM-5, (7) Immunoglobulin heavy chain gene and (8) CTLA-4. One hundred and seven subjects from 19 informative families were studied, 14 subjects had GD and 32 subjects had HT. LOD scores were maximized assuming both dominant and recessive modes of inheritance. No linkage was found for any marker in patients with HT. In patients with GD, negative LOD scores were obtained for all the candidate genes, except for markers in the TSH receptor region on chromosome 14q31. Positive LOD scores were found for several markers on 14q31. Marker D14S81 gave the highest score (Z max = 2.05, theta = 0.01) assuming a dominant mode of inheritance and a penetrance of 0.8. These data confirm our previous observations of a lack of a necessary disease locus for AITD in the HLA gene region. Further, the data suggest the presence of an important susceptibility gene on 14q31 but at a considerable distance from the TSH receptor gene.
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Affiliation(s)
- Y Tomer
- Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA
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Abstract
Although medical genetics is a well-developed area of interest, relatively little is known about the diseases caused by the combination of many genes. These multiinfluenced diseases include the autoimmune endocrine diseases. Recent advances in the techniques for whole-genome screening have shown a variety of loci that are linked to the development of insulin-dependent diabetes mellitus, and similar data are likely to be soon generated in autoimmune thyroid disease. Here, the authors survey the current state of genetic knowledge in these two areas and describe the investigative and analytical techniques that are now available. (Trends Endocrinol Metab 1997;8:63-70). (c) 1997, Elsevier Science Inc.
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Affiliation(s)
- Y Tomer
- Division of Endocrinology and Metabolism, Department of Medicine, Mount Sinai School of Medicine,New York, NY 10029,USA; Division of Endocrinology and Metabolism, Department of Psychiatry, Mount Sinai School of Medicine,New York, NY 10029,USA
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Affiliation(s)
- Y Tomer
- Research Unit of Autoimmune Diseases, Department of Medicine B', Sheba Medical Center, Tel-Hashomer, Israel
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Tomer Y, Viegas OA, Swissa M, Koh SC, Shoenfeld Y. Levels of lupus autoantibodies in pregnant SLE patients: correlations with disease activity and pregnancy outcome. Clin Exp Rheumatol 1996; 14:275-80. [PMID: 8809441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To follow the levels of lupus autoantibodies throughout pregnancy in a large cohort of pregnant SLE patients, and to examine whether they correlate with disease activity and pregnancy outcome. METHODS 54 pregnancies in 46 SLE patients, and 70 control pregnant women were followed in the study. All patients were receiving steroid treatment. Titers of antibodies to ssDNA, dsDNA, histones, cardiolipin (CL) and phosphatidylserine (PS) were determined at the first, second, and third trimester and post-partum by ELISA. RESULTS Overall the average levels of autoantibodies in all the patients were within the normal range, except for the average levels of anti-dsDNA antibodies which were elevated during the second trimester. Eight women (14.5%) had active disease during pregnancy, and there was a significant correlation between the levels of anti-dsDNA and the risk of disease activity (p = 0.0225). There were 7 fetal losses. There was a tendency for correlation between elevated anti-dsDNA levels, and anti-CL levels and the risk of fetal loss; however, this did not reach statistical significance (p = 0.0685, and 0.0881, respectively). There was a significant correlation between the levels of anti-dsDNA antibodies and the risk of preterm delivery (p = 0.0331). CONCLUSIONS Pregnancy in SLE patients is associated with significant complications to both the mother and the fetus. Anti-dsDNA levels seem to correlate with the risk of disease exacerbation, and prematurity. Elevated levels of anti-dsDNA and anti-CL may suggest an increased risk of fetal loss.
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Affiliation(s)
- Y Tomer
- Research Unit of Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Israel
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Tomer Y, Gilburd B, Sack J, Davies TF, Meshorer A, Burek CL, Rose NR, Shoenfeld Y. Induction of thyroid autoantibodies in naive mice by idiotypic manipulation. Clin Immunol Immunopathol 1996; 78:180-7. [PMID: 8625560 DOI: 10.1006/clin.1996.0027] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Previously, we have shown that it is possible to induce, in naive mice, systemic autoimmune diseases (e.g., antiphospholipid syndrome and systemic lupus erythematosus) by idiotypic manipulation. In the present study we expanded our experience to examine whether idiotypic manipulation could be utilized to induce organ-specific autoantibodies and a disease mediated by cellular mechanisms, namely, experimental autoimmune thyroiditis. Fifteen BALB/c mice were immunized with a monoclonal mouse anti-human thyroglobulin (hTg) antibody; controls were immunized with an irrelevant mouse IgG. The mice immunized with anti-hTg antibody developed, 6 weeks after immunization, autoantibodies to human thyroglobulin, but not to dsDNA, cardiolipin, or myeloperoxidase. The presence of specific autoantibodies was associated with low production of thyroid hormones, and during a follow-up of 20 weeks the mice did not develop characteristic histological signs of thyroiditis. We conclude that idiotypic manipulation can induce anti-thyroglobulin autoantibodies.
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Affiliation(s)
- Y Tomer
- Department of Medicine B, Sheba Medical Center, Tel-Hashomer, Israel
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Shoenfeld Y, Beresovski A, Zharhary D, Tomer Y, Swissa M, Sela E, Zimran A, Zevin S, Gilburd B, Blank M. Natural autoantibodies in sera of patients with Gaucher's disease. J Clin Immunol 1995; 15:363-72. [PMID: 8576322 DOI: 10.1007/bf01541326] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Gaucher's disease (GD) is associated with hyperactivity of the immune system, which manifests by polyclonal hypergamma-globulinemia and an increased incidence of monoclonal gammopathies in GD patients. We analyzed sera of 43 patients with GD for the presence of autoantibodies against 14 autoantigens. The results demonstrated a significant increase in the incidence of all autoantibodies tested, ranging from 11% for anti-RNP, pyruvate dehydrogenase (PDH), and DNA antibodies to 57% for rheumatoid factor. The autoantibodies were of all three isotypes, namely, IgG, IgM, and IgA. There was no correlation between the levels of immunoglobulins in the serum and the titer of autoantibodies found. Immunization of naive mice with a pool of purified anti-DNA antibodies form GD patients did not result in induction of experimental systemic lupus erythematosus (SLE), suggesting that they may represent natural autoantibodies that are not pathogenic. In conclusion, we found high titers of natural, polyspecific, nonpathogenic autoantibodies in the sera of GD patients.
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Affiliation(s)
- Y Shoenfeld
- Department of Medicine B, Sheba Medical Center, Tel-Hashomer, Israel
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Vlase H, Nakashima M, Graves PN, Tomer Y, Morris JC, Davies TF. Defining the major antibody epitopes on the human thyrotropin receptor in immunized mice: evidence for intramolecular epitope spreading. Endocrinology 1995; 136:4415-23. [PMID: 7664661 DOI: 10.1210/endo.136.10.7664661] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
To evaluate the B cell response to the extracellular domain of the human TSH receptor (hTSHR-ecd), we used recombinant hTSHR-ecd to immunize BALB/c mice (group A) and CBA/J mice (groups B and C). Mice from groups A and B were boosted once, and mice from group C received three antigen boosts. All individual mice developed highly specific hTSHR-ecd antibodies (hTSHR-ecd-Ab), confirmed by Western blot analyses. The B cell epitopes recognized by these murine hTSHR-ecd-Ab were mapped by enzyme-linked immunoassays using 26 synthetic overlapping peptides spanning the entire mature hTSHR-ecd [amino acids (aa) 22-415], i.e. without the signal sequence. Although all BALB/c and CBA/J mice antisera recognized peptide 1 (aa 22-41), the hyperimmunized CBA/J mice (group C) demonstrated recognition of additional peptides (numbers 21-26) clustered toward the carboxyl-terminus of the hTSHR-ecd (aa 322-415). Furthermore, group C serum blocked the binding of [125I]bTSH to native porcine TSHR, whereas sera from groups A and B were inactive. We were also able to map the B cell epitopes of antisera from rabbits immunized repeatedly with hTSHR-ecd and found the same recognition pattern of peptide 1 and additional peptides clustered near the carboxyl-terminus of the hTSHR-ecd (aa 322-341 and 367-415). These rabbit antisera also inhibited the binding of [125I]bTSH to native porcine TSHR. These data provide a comprehensive B cell epitope-mapping study of induced hTSHR-ecd-Ab and demonstrate intramolecular spreading of the epitopes recognized. Although the N-terminal region was highly antigenic, repeated immunization induced hTSHR-ecd-Ab targeted to a region critical for TSH binding.
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Affiliation(s)
- H Vlase
- Department of Medicine, Mount Sinai School of Medicine, New York, New York 10029, USA
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Blank M, Tomer Y, Stein M, Kopolovic J, Wiik A, Meroni PL, Conforti G, Shoenfeld Y. Immunization with anti-neutrophil cytoplasmic antibody (ANCA) induces the production of mouse ANCA and perivascular lymphocyte infiltration. Clin Exp Immunol 1995; 102:120-30. [PMID: 7554378 PMCID: PMC1553333 DOI: 10.1111/j.1365-2249.1995.tb06645.x] [Citation(s) in RCA: 51] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Wegener's granulomatosis (WG) is a granulomatous necrotizing vasculitis associated with the presence of ANCA, predominantly directed against proteinase 3 (PR3). The titres of ANCA correlate with disease activity and titre increases may precede disease exacerbations. Previously, we have shown that it is possible to induce autoimmune disease (systemic lupus erythematosus (SLE) and anti-phospholipid syndrome) in naive mice following active immunization with human autoantibodies, namely anti-DNA and anti-cardiolipin, respectively. The mice developed first anti-autoantibodies and, after about 4 months anti-anti-autoantibodies (Ab3), simulating auto-antibodies (Ab1) in their binding activities, and their presence was associated with the development of disease manifestations, characteristic of the human disease. So far, there is no good animal model for WG. In the current study we have immunized mice with human ANCA with the aim of inducing experimental WG. In two separate studies 30 mice were immunized in their footpads with autoantigen-purified IgG fraction (ANCA) from the sera of two patients with untreated WG, emulsified in Freund's complete adjuvant, followed 3 weeks later by ANCA injection in PBS. In the first experiment mice immunized with ANCA developed sterile microabscesses in the lungs after 8 months, and died after 8-15 months. In the second experiment, mice immunized with ANCA developed after 4 months mouse ANCA, with specificity both to PR3 and to myeloperoxidase, as well as anti-endothelial autoantibodies (AECA), as shown by radioimmunoprecipitation. Pathologically, the immunized mice developed proteinuria but not haematuria, and histological sections of the lungs demonstrated mononuclear perivascular infiltration, while diffuse granular deposition of immunoglobulins was noted in the kidneys. Our results point to a pathogenic role of ANCA in WG, and confirm the importance of the idiotypic network in the etiopathogenesis of autoimmune conditions.
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Affiliation(s)
- M Blank
- Department of Medicine B, Sheba Medical Centre, Tel-Hashomer, Israel
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Tomer Y, Gilburd B, Blank M, Lider O, Hershkoviz R, Fishman P, Zigelman R, Meroni PL, Wiik A, Shoenfeld Y. Characterization of biologically active antineutrophil cytoplasmic antibodies induced in mice. Pathogenetic role in experimental vasculitis. Arthritis Rheum 1995; 38:1375-81. [PMID: 7575687 DOI: 10.1002/art.1780381004] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
OBJECTIVE To investigate the pathogenetic role of antineutrophil cytoplasmic antibodies (ANCA) in Wegener's granulomatosis (WG). METHODS BALB/c mice were immunized with human IgG ANCA from a patient with WG. Control mice were immunized with normal human IgG. Levels of mouse ANCA and other autoantibodies were determined. Mouse ANCA were tested for their ability to induce adhesion and respiratory burst of neutrophils. The mouse lungs and kidneys were examined for the development of vasculitis. RESULTS Mice immunized with human ANCA developed anti-human ANCA and anti-anti-human ANCA (mouse ANCA), while the controls did not develop these antibodies. Mouse ANCA were capable of inducing adhesion of neutrophils to fibronectin and activating the respiratory burst in neutrophils. Moreover, the mice that were immunized with human ANCA developed perivascular mononuclear cell infiltrates in the lungs, suggesting vasculitis. CONCLUSION The results suggest a pathogenic role of ANCA in WG, and may imply that activation of neutrophils is the initiating event in the development of vasculitis in WG.
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Affiliation(s)
- Y Tomer
- Sheba Medical Center, Tel-Hashomer, Israel
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Blank M, Tomer Y, Slavin S, Shoenfeld Y. Induction of tolerance to experimental anti-phospholipid syndrome (APS) by syngeneic bone marrow cell transplantation. Scand J Immunol 1995; 42:226-34. [PMID: 7631156 DOI: 10.1111/j.1365-3083.1995.tb03649.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Previously, we have shown the ability to induce experimental autoimmune conditions (e.g. SLE, APLS, Wegener's granulomatosis) following active immunization with the pathogenic autoantibody emulsified in adjuvant. The mice first develop anti-autoantibodies (Ab2: anti-id) and eventually generate anti-anti-autoantibodies (Ab3: anti-anti-id) which carry the same antigen binding characteristic as the autoantibody (Ab1). The appearance of the specific autoantibodies in mice sera was associated with the emergence of the compatible laboratory and with the clinical findings characteristic to the respective autoimmune disease. The effects of syngeneic bone marrow transplantation (BMT) on experimental anti-phospholipid syndrome (APS) were investigated. BALB/c mice were immunized with anti-cardiolipin monoclonal antibody (MoAb) named CAM and developed elevated serum titres of anti-phospholipid Abs accompanied by prolonged activated partial thromboplastin time, thrombocytopenia and a high percentage of fetal resorptions. These mice were then lethally irradiated and transfused with bone marrow (BM) cells (T cell depleted) from syngeneic naive mice. The titres of antiphospholipid antibodies were reduced in the recipients. The decrease in titre of autoantibodies was found to be related to depletion of antibody forming cells in vivo, associated with reduced proliferative response of lymph node cells to anti-cardiolipin MoAbs. The recipients showed improvement in clinical parameters following syngeneic BMT. The same recipients developed specific unresponsiveness to a second challenge with the anticardiolipin MoAb (CAM), but developed experimental systemic lupus erythematosus upon immunization with a monoclonal anti-DNA antibody. We conclude that acute myeloablative immunosuppression combined with syngeneic bone marrow transplantation may induce a state of tolerance to the pathogenic autoantibodies in mice with experimental APLS. Our results suggest that a similar approach may be useful in treating life-threatening autoimmune syndromes (e.g. catastrophic APLS) in clinical practice.
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Affiliation(s)
- M Blank
- Department of Medicine B, Tel-Aviv University, Israel
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45
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Tomer Y, Lunenfeld B, Berezin M. [Andropause: myth or reality?]. Harefuah 1995; 128:785-8. [PMID: 7557690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Krause I, Blank M, Kopolovic J, Afek A, Goldberg I, Tomer Y, Shoenfeld Y. Abrogation of experimental systemic lupus erythematosus and primary antiphospholipid syndrome with intravenous gamma globulin. J Rheumatol 1995; 22:1068-74. [PMID: 7545755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
OBJECTIVE To evaluate the effect of intravenous gamma globulin (IVGG) treatment on the immunological and clinical manifestations of experimental systemic lupus erythematosus (SLE) and primary antiphospholipid syndrome (APS). METHODS BALB/c mice were actively immunized with anti-DNA (MIV-7) monoclonal antibodies (Mab) or anticardiolipin (aCL, CAM) Mab, to induce experimental SLE and primary APS, respectively. Eight weeks after immunization the mice were treated for 6 weeks with IVGG (whole molecule), F(ab')2, or Fc fragments. The following studies were carried out: autoantibody profile (ELISA), clinical manifestations including erythrocyte sedimentation rate (ESR), white blood cell and platelet count, immunoglobulin deposits in the kidneys, and fetal resorptions. The presence of antiidiotypic activity to anti-DNA and aCL antibodies in the IVGG was determined by inhibition studies employing the F(ab')2 as inhibitor. RESULTS Following treatment with IVGG or IVGG F(ab')2, a complete clinical remission, manifested as normal ESR and leukocyte counts, and lack of proteinuria or immunoglobulin deposits in the kidneys in the mice with experimental SLE, normal activated partial thromboplastin time, and fetal resorption rate in the mice with experimental primary APS was achieved. Autoantibody titers in the mice decreased to within normal levels. Treatment with Fc fragments had no effect upon those variables. Inhibition studies pointed to the presence of antiidiotypic activity to anti-dsDAN and aCL antibodies in the IVGG preparation. CONCLUSION Treatment with IVGG can lead to clinical and immunological remission in mice with experimental SLE and primary APS. This effect may be carried out through manipulation of the idiotypic network and neutralization of pathogenic autoantibodies. Our results may justify the use of IVGG in patients with SLE and/or APS.
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Affiliation(s)
- I Krause
- Department of Medicine "B", Sheba Medical Center, Tel-Hashomer, Israel
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47
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Shoenfeld Y, Tomer Y, Blank M. A new experimental model for Wegener's granulomatosis. Isr J Med Sci 1995; 31:13-16. [PMID: 7836041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Affiliation(s)
- Y Shoenfeld
- Research Unit of Autoimmune Diseases, Chaim Sheba Medical Center, Tel-Hashomer, Israel
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48
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Abstract
The literature examined in this review points to the possible involvement of infectious agents in the pathogenesis of autoimmune endocrine diseases, primarily autoimmune thyroid disease and diabetes mellitus. Various mechanisms have been proposed to explain induction of autoimmunity by infection but it seems that three possibilities may be important in individuals susceptible to developing autoimmune disease: molecular mimicry (perhaps to retroviruses); polyclonal T cell activation (by an endogenous superantigen or an infecting organism); and MHC class II antigen induction. It seems reasonable that all three mechanisms operate together or separately in different individuals. Data continue to accumulate in favour of infectious agents being important initiators of autoimmune disease.
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Affiliation(s)
- Y Tomer
- Division of Endocrinology & Metabolism, Mount Sinai School of Medicine, New York 10029, USA
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49
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Blank M, Krause I, Lanir N, Vardi P, Gilburd B, Tincani A, Tomer Y, Shoenfeld Y. Transfer of experimental antiphospholipid syndrome by bone marrow cell transplantation. The importance of the T cell. Arthritis Rheum 1995; 38:115-22. [PMID: 7818560 DOI: 10.1002/art.1780380118] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
OBJECTIVE To investigate the potential of bone marrow cells from mice with primary antiphospholipid syndrome (APS) to transfer the disease to naive mice, and to determine the importance of the role of T cells in the APS. METHODS Experimental primary APS was induced in naive mice following active immunization with anticardiolipin (aCL) monoclonal antibody (MAb). Whole-population or T cell-depleted bone marrow cells from mice with experimental primary APS were infused into total body-irradiated naive BALB/c recipients. RESULTS Bone marrow cells (in the presence of T cells) had the potential to induce experimental APS in naive mice, which resulted in high serum titers of aCL, antiphosphatidylserine, and antiphosphatidylinositol antibodies; an increased number of antibody-forming cells specific for each of the above phospholipids; a positive lymph node cell proliferative response to aCL MAb; and clinical features of primary APS, including thrombocytopenia, prolonged activated partial thromboplastin time (indicating the presence of lupus anticoagulant), and a high frequency of fetal resorptions (the equivalent of human fetal loss). T cell-depleted bone marrow cells did not transfer the disease. CONCLUSION This study demonstrates the important role of T cells in the development and transfer of experimental primary APS and raises the possibility of T cell manipulations in treatments to prevent this condition.
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Affiliation(s)
- M Blank
- Department of Medicine B, Sheba Medical Center, Tel-Hashomer, Israel
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Blank M, Manosroi J, Tomer Y, Manosroi A, Kopolovic J, Charcon-Polak S, Shoenfeld Y. Suppression of experimental systemic lupus erythematosus (SLE) with specific anti-idiotypic antibody-saporin conjugate. Clin Exp Immunol 1994; 98:434-41. [PMID: 7994908 PMCID: PMC1534502 DOI: 10.1111/j.1365-2249.1994.tb05509.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The importance of the idiotypic network is represented in experimental SLE induced by active immunization of naive mice with an anti-DNA idiotype (Ab1) emulsified in adjuvant. The mice after 4 months of incubation generate Ab3 having anti-DNA activity. In addition, the mice develop other serological markers for SLE associated with clinical and histopathological manifestations characteristic of the disease. To confirm further the etiological role of the idiotype in this experimental model, the mice were treated with specific anti-idiotypic antibodies (anti-Id) which were also conjugated to a toxin-saporin (Immunotoxin (IT)). Pretreatment of hybridoma cell line producing the anti-anti-Id (anti-DNA = (Ab3)) for 48 h with the anti-Id MoAb (Ab2) reduced the production of anti-DNA by 58%, while pretreatment with the IT resulted in 86% decrease in anti-DNA secretion (saporin alone had only 12% effect). The anti-Id MoAb had no effect on the production of immunoglobulin by an unrelated cell line. In vivo treatment of mice with experimental SLE led to a significant decrease in titres of serum autoantibodies, with diminished clinical manifestations. The results were more remarkable when the IT was employed. These suppressive effects were specific, since an anti-Id treatment of experimental anti-phospholipid syndrome was of no avail. The anti-Id effect was mediated via a reduction in specific anti-DNA antibody-forming cells, and lasted only while anti-Id injections were given. Discontinuation of the anti-Id injection was followed by a rise in titres of anti-DNA antibodies. No immunological escape of new anti-DNA Ids was noted. Our results point to the importance of pathogenic idiotypes in SLE and to the specific potential of implementing anti-idiotypic therapy, enhanced by the conjugation of the anti-Id to an immunotoxin, in particular one with low spontaneous toxicity.
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Affiliation(s)
- M Blank
- Department of Medicine B, Sheba Medical Centre, Tel-Hashomer, Israel
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