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Dor B, Paquet E, Orban T, Dubois AF, Schmets A, Pitchot W. [Alcohol dependence in primary care : a clinical approach by the GP]. Rev Med Liege 2019; 74:287-293. [PMID: 31206268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Clinical care to patients with alcohol dependence by GP's is described in this article. First, we have to destigmatize these patients and their illness. Diagnosis approach is specified. Therapeutic approach is first a motivational approach; subsequently it's like pedagogy : it's coping. Care is both physical and psychological. Empathy all along therapeutic relationship is a priority and how establishing a therapeutic alliance is described. A psychiatrist, a psychologist, a care network, self-help associations have also to be called on when needed. Physicians education creates new opportunities since 2016-2017 : in particular SSMG (Scientific Society of Primary Care) and three Belgian universities (UCL, ULB and ULiège) introduced a special study program called «?certificat interuniversitaire d'alcoologie?». Let's hope this new clinical rewarding approach for GP's contribute to reduce the treatment gap as far as clinical care of patients with alcohol dependence is concerned.
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Affiliation(s)
- B Dor
- Cabinet de Médecine générale et Alcoologie, Liège, Belgique
| | - E Paquet
- Alcoologie, C.H.S. L'Accueil, Lierneux, Belgique
| | - T Orban
- Cabinet de Médecine générale et Alcoologie, Uccle, Belgique
| | | | | | - W Pitchot
- Service de Psychiatrie et de Psychologie Médicale, CHU Liège, Belgique
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Triolo TM, Fouts A, Pyle L, Yu L, Gottlieb PA, Steck AK, Greenbaum CJ, Atkinson M, Baidal D, Battaglia M, Becker D, Bingley P, Bosi E, Buckner J, Clements M, Colman P, DiMeglio L, Gitelman S, Goland R, Gottlieb P, Herold K, Knip M, Krischer J, Lernmark A, Moore W, Moran A, Muir A, Palmer J, Peakman M, Philipson L, Raskin P, Redondo M, Rodriguez H, Russell W, Spain L, Schatz D, Sosenko J, Wentworth J, Wherrett D, Wilson D, Winter W, Ziegler A, Anderson M, Antinozzi P, Benoist C, Blum J, Bourcier K, Chase P, Clare-Salzler M, Clynes R, Eisenbarth G, Fathman C, Grave G, Hering B, Insel R, Kaufman F, Kay T, Leschek E, Mahon J, Marks J, Nanto-Salonen K, Nepom G, Orban T, Parkman R, Pescovitz M, Peyman J, Pugliese A, Roep B, Roncarolo M, Savage P, Simell O, Sherwin R, Siegelman M, Skyler J, Steck A, Thomas J, Trucco M, Wagner J, Krischer JP, Leschek E, Rafkin L, Bourcier K, Cowie C, Foulkes M, Insel R, Krause-Steinrauf H, Lachin JM, Malozowski S, Peyman J, Ridge J, Savage P, Skyler JS, Zafonte SJ, Rafkin L, Sosenko JM, Kenyon NS, Santiago I, Krischer JP, Bundy B, Abbondondolo M, Dixit S, Pasha M, King K, Adcock H, Atterberry L, Fox K, Englert N, Mauras J, Permuy K, Sikes T, Adams T, Berhe B, Guendling L, McLennan L, Paganessi C, Murphy M, Draznin M, Kamboj S, Sheppard V, Lewis L, Coates W, Amado D, Moore G, Babar J, Bedard D, Brenson-Hughes J, Cernich M, Clements R, Duprau S, Goodman L, Hester L, Huerta-Saenz A, Asif I, Karmazin T, Letjen S, Raman D, Morin W, Bestermann E, Morawski J, White A, Brockmyer R, Bays S, Campbell A, Boonstra M, Stapleton N, Stone A, Donoho H, Everett H, Hensley M, Johnson C, Marshall N, Skirvin P, Taylor R, Williams L, Burroughs C, Ray C, Wolverton D, Nickels C, Dothard P, Speiser M, Pellizzari L, Bokor K, Izuora S, Abdelnour P, Cummings S, Cuthbertson D, Paynor M, Leahy M, Riedl S, Shockley R, Saad T, Briones S, Casella C, Herz K, Walsh J, Greening F, Deemer M, Hay S, Hunt N, Sikotra L, Simons D, Karounos R, Oremus L, Dye L, Myers D, Ballard W, Miers R, Eberhard C, Sparks K, Thraikill K, Edwards J, Fowlkes S, Kemp A, Morales L, Holland L, Johnson P, Paul A, Ghatak K, Fiske S, Phelen H, Leyland T, Henderson D, Brenner E, Oppenheimer I, Mamkin C, Moniz C, Clarson M, Lovell A, Peters V, Ford J, Ruelas D, Borut D, Burt M, Jordan S, Castilla P, Flores M, Ruiz L, Hanson J, Green-Blair R, Sheridan K, Garmeson J, Wintergerst G, Pierce A, Omoruyi M, Foster S, Kingery A, Lunsford I, Cervantes T, Parker P, Price J, Urben I, Guillette H, Doughty H, Haydock V, Parker P, Bergman S, Duncum C, Rodda A, Perelman R, Calendo C, Barrera E, Arce-Nunez Y, Geyer S, Martinez M, De la Portilla I, Cardenas L, Garrido M, Villar R, Lorini E, Calandra G, D’Annuzio K, Perri N, Minuto C, Hays B, Rebora R, Callegari O, Ali J, Kramer B, Auble S, Cabrera P, Donohoue R, Fiallo-Scharer M, Hessner P, Wolfgram A, Henderson C, Kansra N, Bettin R, McCuller A, Miller S, Accacha J, Corrigan E, Fiore R, Levine T, Mahoney C, Polychronakos V, Henry M, Gagne 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Frank E, Liu J, Perry J, Pyle R, Rigby A, Riley K, Soto A, Gitelman S, Adi S, Anderson M, Berhel A, Breen K, Fraser K, Gerard-Gonzalez A, Jossan P, Lustig R, Moassesfar S, Mugg A, Ng D, Prahalod P, Rangel-Lugo M, Sanda S, Tarkoff J, Torok C, Wesch R, Aslan I, Buchanan J, Cordier J, Hamilton C, Hawkins L, Ho T, Jain A, Ko K, Lee T, Phelps S, Rosenthal S, Sahakitrungruang T, Stehl L, Taylor L, Wertz M, Wong J, Philipson L, Briars R, Devine N, Littlejohn E, Grant T, Gottlieb P, Klingensmith G, Steck A, Alkanani A, Bautista K, Bedoy R, Blau A, Burke B, Cory L, Dang M, Fitzgerald-Miller L, Fouts A, Gage V, Garg S, Gesauldo P, Gutin R, Hayes C, Hoffman M, Ketchum K, Logsden-Sackett N, Maahs D, Messer L, Meyers L, Michels A, Peacock S, Rewers M, Rodriguez P, Sepulbeda F, Sippl R, Steck A, Taki I, Tran BK, Tran T, Wadwa RP, Zeitler P, Barker J, Barry S, Birks L, Bomsburger L, Bookert T, Briggs L, Burdick P, Cabrera R, Chase P, Cobry E, Conley A, Cook G, Daniels J, DiDomenico D, 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, Pugliese A, Sanders-Branca N, Ray Arce LA, Cisneros M, Sabbag S, Moran A, Gibson C, Fife B, Hering B, Kwong C, Leschyshyn J, Nathan B, Pappenfus B, Street A, Boes MA, Peterson Eck S, Finney L, Albright Fischer T, Martin A, Jacqueline Muzamhindo C, 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 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Viscardi M, Bingley P, 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, 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Manning G, Hendry B, Taylor S, Jones W, Strader M, Bencomo T, Bailey L, Bedolla C, Roldan C, Moudiotis B, Vaidya C, Anning S, Bunce S, Estcourt E, Folland E, Gordon C, Harrill J, Ireland J, Piper L, Scaife K, Sutton S, Wilkins M, Costelloe J, Palmer L, Casas C, Miller M, Burgard C, Erickson J, Hallanger-Johnson P, Clark W, Taylor A, Lafferty S, Gillett C, Nolan M, Pathak L, Sondrol T, Hjelle S, Hafner J, Kotrba R, Hendrickson A, Cemeroglu T, Symington M, Daniel Y, Appiagyei-Dankah D, Postellon M, Racine L, Kleis K, Barnes S, Godwin H, McCullough K, Shaheen G, Buck L, Noel M, Warren S, Weber S, Parker I, Gillespie B, Nelson C, Frost J, Amrhein E, Moreland A, Hayes J, Peggram J, Aisenberg M, Riordan J, Zasa E, Cummings K, Scott T, Pinto A, Mokashi K, McAssey E, Helden P, Hammond L, Dinning S, Rahman S, Ray C, Dimicri S, Guppy H, Nielsen C, Vogel C, Ariza L, Morales Y, Chang R, Gabbay L, Ambrocio L, Manley R, Nemery W, Charlton P, Smith L, Kerr B, Steindel-Kopp M, Alamaguer D, Liljenquist G, Browning T, Coughenour M, Sulk E, Tsalikan M, Tansey J, Cabbage N. Identical and Nonidentical Twins: Risk and Factors Involved in Development of Islet Autoimmunity and Type 1 Diabetes. Diabetes Care 2019; 42:192-199. [PMID: 30061316 PMCID: PMC6341285 DOI: 10.2337/dc18-0288] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [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] [Received: 02/07/2018] [Accepted: 06/28/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE There are variable reports of risk of concordance for progression to islet autoantibodies and type 1 diabetes in identical twins after one twin is diagnosed. We examined development of positive autoantibodies and type 1 diabetes and the effects of genetic factors and common environment on autoantibody positivity in identical twins, nonidentical twins, and full siblings. RESEARCH DESIGN AND METHODS Subjects from the TrialNet Pathway to Prevention Study (N = 48,026) were screened from 2004 to 2015 for islet autoantibodies (GAD antibody [GADA], insulinoma-associated antigen 2 [IA-2A], and autoantibodies against insulin [IAA]). Of these subjects, 17,226 (157 identical twins, 283 nonidentical twins, and 16,786 full siblings) were followed for autoantibody positivity or type 1 diabetes for a median of 2.1 years. RESULTS At screening, identical twins were more likely to have positive GADA, IA-2A, and IAA than nonidentical twins or full siblings (all P < 0.0001). Younger age, male sex, and genetic factors were significant factors for expression of IA-2A, IAA, one or more positive autoantibodies, and two or more positive autoantibodies (all P ≤ 0.03). Initially autoantibody-positive identical twins had a 69% risk of diabetes by 3 years compared with 1.5% for initially autoantibody-negative identical twins. In nonidentical twins, type 1 diabetes risk by 3 years was 72% for initially multiple autoantibody-positive, 13% for single autoantibody-positive, and 0% for initially autoantibody-negative nonidentical twins. Full siblings had a 3-year type 1 diabetes risk of 47% for multiple autoantibody-positive, 12% for single autoantibody-positive, and 0.5% for initially autoantibody-negative subjects. CONCLUSIONS Risk of type 1 diabetes at 3 years is high for initially multiple and single autoantibody-positive identical twins and multiple autoantibody-positive nonidentical twins. Genetic predisposition, age, and male sex are significant risk factors for development of positive autoantibodies in twins.
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Affiliation(s)
- Taylor M. Triolo
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Alexandra Fouts
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Laura Pyle
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Liping Yu
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Peter A. Gottlieb
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Andrea K. Steck
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
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Haller MJ, Schatz DA, Skyler JS, Krischer JP, Bundy BN, Miller JL, Atkinson MA, Becker DJ, Baidal D, DiMeglio LA, Gitelman SE, Goland R, Gottlieb PA, Herold KC, Marks JB, Moran A, Rodriguez H, Russell W, Wilson DM, Greenbaum CJ, Greenbaum C, Atkinson M, Baidal D, Battaglia M, Becker D, Bingley P, Bosi E, Buckner J, Clements M, Colman P, DiMeglio L, Evans-Molina C, Gitelman S, Goland R, Gottlieb P, Herold K, Knip M, Krischer J, Lernmark A, Moore W, Moran A, Muir A, Palmer J, Peakman M, Philipson L, Raskin P, Redondo M, Rodriguez H, Russell W, Spain L, Schatz D, Sosenko J, Wherrett D, Wilson D, Winter W, Ziegler A, Anderson M, Antinozzi P, Benoist C, Blum J, Bourcier K, Chase P, Clare-Salzler M, Clynes R, Cowie C, Eisenbarth G, Fathman C, Grave G, Harrison L, Hering B, Insel R, Jordan S, Kaufman F, Kay T, Kenyon N, Klines R, Lachin J, Leschek E, Mahon J, Marks J, Monzavi R, Nanto-Salonen K, Nepom G, Orban T, Parkman R, Pescovitz M, Peyman J, Pugliese A, Ridge J, Roep B, Roncarolo M, Savage P, Simell O, Sherwin R, Siegelman M, Skyler J, Steck A, Thomas J, Trucco M, Wagner J, Bourcier K, Greenbaum CJ, Krischer JP, Leschek E, Rafkin L, Spain L, Cowie C, Foulkes M, Insel R, Krause-Steinrauf H, Lachin JM, Malozowski S, Peyman J, Ridge J, Savage P, Skyler JS, Zafonte SJ, Greenbaum CJ, Rafkin L, Sosenko JM, Skyler JS, Kenyon NS, Santiago I, Krischer JP, Bundy B, Abbondondolo M, Adams T, Amado D, Asif I, Boonstra M, Boulware D, Bundy B, Burroughs C, Cuthbertson D, Eberhard C, Fiske S, Ford J, Garmeson J, Guillette H, Geyer S, Hays B, Henderson C, Henry M, Heyman K, Hsiao B, Karges C, Kinderman A, Lane L, Leinbach A, Liu S, Lloyd J, Malloy J, Maddox K, Martin J, Miller J, Moore M, Muller S, Nguyen T, O’Donnell R, Parker M, Pereyra M, Reed N, Roberts A, Sadler K, Stavros T, Tamura R, Wood K, Xu P, Young K, Alies P, Badias F, Baker A, Bassi M, Beam C, Boulware D, Bounmananh L, Bream S, Deemer M, Freeman D, Gough J, Ginem J, Granger M, Holloway M, Kieffer M, Lane P, Law P, Linton C, Nallamshetty L, Oduah V, Parrimon Y, Paulus K, Pilger J, Ramiro J, Luvon AQ, Ritzie A, Sharma A, Shor X, Song A, Terry J, Weinberger M, Wootten J, Fradkin E, Leschek L, Spain C, Cowie S, Malozowski P, Savage G, Beck E, Blumberg R, Gubitosi-Klug L, Laffel R, Veatch D, Wallace J, Braun D, Brillon A, Lernmark B, Lo H, Mitchell A, Naji J, Nerup T, Orchard M, Steffes A, Tsiatis B, Zinman B, Loechelt L, Baden M, Green A, Weinberg S, Marcovina JP, Palmer A, Weinberg L, Yu W, Winter GS, Eisenbarth A, Shultz E, Batts K, Fitzpatrick M, Ramey R, Guerra C, Webb M, Romasco C, Greenbaum S, Lord D, VanBuecken W, Hao M, McCulloch D, Hefty K, Varner R, Goland E, Greenberg S, Pollack B, Nelson L, Looper L, DiMeglio M, Spall C, Evans-Molina M, Mantravadi J, Sanchez M, Mullen V, Patrick S, Woerner DM, Wilson T, Aye T, Esrey K, Barahona B, Baker H, Bitar C, Ghodrat M, Hamilton SE, Gitelman CT, Ferrara S, Sanda R, Wesch C, Torok P, Gottlieb J, Lykens C, Brill A, Michels A, Schauwecker MJ, Haller DA, Schatz MA, Atkinson LM, Jacobsen M, Cintron TM, Brusko CH, Wasserfall CE, Mathews JS, Skyler JM, Marks D, Baidal C, Blaschke D, Matheson A, Moran B, Nathan A, Street J, Leschyshyn B, Pappenfus B, Nelson N, Flaherty D, Becker K, Delallo D, Groscost K, Riley H, Rodriguez D, Henson E, Eyth W, Russell A, Brown F, Brendall K, Herold, Feldman L. Low-Dose Anti-Thymocyte Globulin (ATG) Preserves β-Cell Function and Improves HbA 1c in New-Onset Type 1 Diabetes. Diabetes Care 2018; 41:1917-1925. [PMID: 30012675 PMCID: PMC6105329 DOI: 10.2337/dc18-0494] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 06/12/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE A pilot study suggested that combination therapy with low-dose anti-thymocyte globulin (ATG) and pegylated granulocyte colony-stimulating factor (GCSF) preserves C-peptide in established type 1 diabetes (T1D) (duration 4 months to 2 years). We hypothesized that 1) low-dose ATG/GCSF or 2) low-dose ATG alone would slow the decline of β-cell function in patients with new-onset T1D (duration <100 days). RESEARCH DESIGN AND METHODS A three-arm, randomized, double-masked, placebo-controlled trial was performed by the Type 1 Diabetes TrialNet Study Group in 89 subjects: 29 subjects randomized to ATG (2.5 mg/kg intravenously) followed by pegylated GCSF (6 mg subcutaneously every 2 weeks for 6 doses), 29 to ATG alone (2.5 mg/kg), and 31 to placebo. The primary end point was mean area under the curve (AUC) C-peptide during a 2-h mixed-meal tolerance test 1 year after initiation of therapy. Significance was defined as one-sided P value < 0.025. RESULTS The 1-year mean AUC C-peptide was significantly higher in subjects treated with ATG (0.646 nmol/L) versus placebo (0.406 nmol/L) (P = 0.0003) but not in those treated with ATG/GCSF (0.528 nmol/L) versus placebo (P = 0.031). HbA1c was significantly reduced at 1 year in subjects treated with ATG and ATG/GCSF, P = 0.002 and 0.011, respectively. CONCLUSIONS Low-dose ATG slowed decline of C-peptide and reduced HbA1c in new-onset T1D. Addition of GCSF did not enhance C-peptide preservation afforded by low-dose ATG. Future studies should be considered to determine whether low-dose ATG alone or in combination with other agents may prevent or delay the onset of the disease.
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Affiliation(s)
| | | | - Jay S. Skyler
- Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, FL
| | | | | | | | | | | | - David Baidal
- Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, FL
| | | | | | | | - Peter A. Gottlieb
- University of Colorado Barbara Davis Center for Childhood Diabetes, Aurora, CO
| | | | - Jennifer B. Marks
- Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, FL
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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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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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Rademakers T, Manca M, Orban T, Jin H, Frissen H, Rühle F, Hautvast P, Sikkink C, Peutz-Kootstra C, Heeneman S, Daemen M, Stoll M, van Zandvoort M, Dequiedt F, van Buul J, Biessen E. Endothelial beta-2 spectrin: a critical plaque stiffness dependent regulator of microvessel leakage in human atherosclerotic plaque. Atherosclerosis 2018. [DOI: 10.1016/j.atherosclerosis.2018.06.373] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Cervantes MP, Orban T, Adams GP. 208 OVARIAN FOLLICULAR DYNAMICS IN SOUTH AMERICAN CAMELIDS: EFFECT OF PLANE OF NUTRITION AND SPECIES. Reprod Fertil Dev 2010. [DOI: 10.1071/rdv22n1ab208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Controversy exists regarding characteristics of follicular waves in llamas and alpacas. Lactational status has been shown to influence follicular dynamics, but the effects of species and nutrition have not been critically examined. A 2 × 2 experimental design was used to determine the effects of species (llama v. alpaca) and nutritional status (high-plane v. low-plane) on ovarian follicular wave dynamics. Adult female llamas (n = 16) and alpacas (n = 19), ≥ 3 years old, were assigned randomly to either a high or low plane of nutrition. Nutritional planes were defined by the grazing condition of the native pasture. The respective nutritional conditions were imposed 2 weeks before the start of the observational period. Body condition was estimated at the start of the observational period using a subjective scoring system (1 = very thin, 10 = very fat) and ovarian dynamics were monitored daily by transrectal ultrasonography for 38 days. Data were analyzed by two-way ANOVA and are expressed as mean ± SEM. Body condition scores were not different among groups (6.9 ± 0.35 and 6.6 ± 0.19 for llamas on high and low planes of nutrition, respectively, and 7.2 ± 0.25 and 6.8 ± 0.18 for alpacas on high and low planes of nutrition, respectively). The growing phase of the dominant follicle tended (P = 0.1) to be longer in llamas than in alpacas (9.8 ± 0.47 v. 8.8 ± 0.45 days) and in animals on a high plane of nutrition than in animals on a low plane (9.6 ± 0.50 v. 8.6 ± 0.42 days). Accordingly, the maximum diameter of the dominant follicle tended to be larger in llamas than in alpacas (10.1 ± 0.37 v. 9.1 ± 0.30 mm; P = 0.06) and in animals on a high plane of nutrition than in animals on a low plane (9.9 ± 0.39 v. 9.1 ± 0.27 mm; P = 0.14). The interwave interval was similar between llamas and alpacas (16.5 ± 0.66 v. 15.6 ± 0.42 days; P = 0.29), but was longer (P < 0.01) in animals on a high plane of nutrition than in animals on a low plane (16.9 ± 0.54 v. 15.0 ± 0.44 days); there was no interaction between main effects (P = 0.31). The total lifespan (duration of detection) of the dominant follicle was similar in both llamas and alpacas (22.9 ± 0.75 v. 21.9 ± 0.73 days; P = 0.38) and in animals on a high plane of nutrition than in animals on a low plane (22.7 ± 0.78 v. 22.0 ± 0.70 days; P = 0.53). There was no interaction between main effects (P = 0.21). All females (n = 35/35, 100%) had a follicle ≥ 7 mm (ovulatory size) from Days 7 to 12 after wave emergence. In conclusion, a low plane of nutrition had a suppressive effect on dominant follicle growth, resulting in a shortened interwave interval in llamas and alpacas. The interwave interval was not significantly longer in llamas than in alpacas despite a tendency for a longer growing phase and a larger dominant follicle.
Research supported by Mitchell Group’s Mallkini Alpaca Breeding and Genetic Centre and the Natural Sciences and Engineering Research Council of Canada.
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Barker JM, McFann KK, Orban T. Effect of oral insulin on insulin autoantibody levels in the Diabetes Prevention Trial Type 1 oral insulin study. Diabetologia 2007; 50:1603-6. [PMID: 17583798 DOI: 10.1007/s00125-007-0694-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [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] [Received: 01/16/2007] [Accepted: 03/19/2007] [Indexed: 10/23/2022]
Abstract
AIMS/HYPOTHESIS Our aim was to evaluate insulin autoantibody (IAA) levels over time in the Diabetes Prevention Trial Type 1 (DPT-1) oral insulin study to determine the effect of oral insulin compared with placebo on IAA levels. SUBJECTS AND METHODS The DPT-1 trial randomised 372 relatives of subjects with type 1 diabetes, positive for IAA and with normal IVGTTs and OGTTs, to oral insulin 7.5 mg daily or placebo. Subjects were followed with IVGTTs, OGTTs and serial IAA measurements. The change in IAA level over time was modelled statistically using mixed model longitudinal data analysis with spatial exponential law for unevenly spaced data. In a separate analysis, subjects were divided into four groups by treatment and diabetes status at the end of the study. IAA levels were compared amongst the groups at randomisation, last sampling and at the maximum level. RESULTS Longitudinal data analysis showed that treatment did not affect levels of IAA over time. After controlling for age, the IAA levels at randomisation and the last visit and the maximum values were different in the four groups. Significantly higher levels were noted in groups that developed diabetes compared with those that did not, with no significant difference by treatment group. CONCLUSIONS/INTERPRETATION This suggests that IAA levels over time were not influenced by oral insulin in subjects already positive for IAA at the start of treatment.
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Affiliation(s)
- J M Barker
- Barbara Davis Center for Childhood Diabetes, University of Colorado Health Sciences Center, Denver, CO, USA.
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Greenbaum CJ, Eisenbarth G, Atkinson M, Yu L, Babu S, Schatz D, Zeidler A, Orban T, Wasserfall C, Cuthbertson D, Krischer J. High frequency of abnormal glucose tolerance in DQA1*0102/DQB1*0602 relatives identified as part of the Diabetes Prevention Trial--Type 1 Diabetes. Diabetologia 2005; 48:68-74. [PMID: 15602651 DOI: 10.1007/s00125-004-1608-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [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] [Received: 02/27/2004] [Accepted: 08/09/2004] [Indexed: 11/26/2022]
Abstract
AIMS/HYPOTHESIS Immunological and genetic markers can be used to assess risk of developing type 1 diabetes prior to the onset of clinical symptoms. Autoantibody-positive relatives of patients with type 1 diabetes are at increased risk for disease, while the presence of HLA DQA1*0102/DQB1*0602 is thought to confer protection. Using the unique population identified by the Diabetes Prevention Trial--Type Diabetes (DPT-1), our aim was to determine if these individuals were protected from type 1 diabetes. METHODS We described metabolic and immunological characteristics of islet cell cytoplasmic autoantibodies-positive relatives with DQB1*0602 identified as part of DPT-1. RESULTS We found that 32% of DQB1*0602-positive relatives identified through the DPT-1 had abnormalities of glucose tolerance despite the fact that only 19% had multiple type 1 diabetes-associated autoantibodies and only 13% had abnormal insulin secretion, markers typically associated with the disease. In addition, these markers were not associated with abnormal glucose tolerance. In contrast, the DQB1*0602-positive relatives had elevated fasting insulin (117+/-10 pmol/l) and homeostasis model assessment of insulin resistance (HOMA-R) (4.90+/-0.5) values, which are more commonly associated with type 2 diabetes. The later marker of insulin resistance was associated with glucose tolerance status. CONCLUSIONS/INTERPRETATION Our data indicate that DQA1*0102/DQB1*0602 relatives identified through DPT-1 have a high frequency of abnormal glucose tolerance and a disease phenotype with characteristics of type 1 and type 2 diabetes. Thus, multiple pathways to abnormal glucose tolerance are present within families of these type 1 patients.
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Affiliation(s)
- C J Greenbaum
- Benaroya Research Institute at Virginia Mason, 1201 9th Ave, Seattle, WA 98101, USA.
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Orban T, Kent SC, Malik P, Milner JD, Schuster K, Jackson RA, Hafler DA. Heterophile antibodies indicate progression of autoimmunity in human type 1 diabetes mellitus before clinical onset. Autoimmunity 2002; 34:247-64. [PMID: 11905851 DOI: 10.3109/08916930109014694] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [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: 11/13/2022]
Abstract
We previously reported serum cytokines in a group of long term non-progressors to Type 1 diabetes; this reactivity detected in ELISA is now identified as heterophile antibody in some sera. Here, we characterize heterophile antibody activity. A 14 kDa-polypeptide from heterophile antibody containing serum bound to an anti-IL-4 column, but IL-4 was not detected by Western blot or by MS/MS sequencing. However, in 2/13 heterophile antibody positive sera, T-cell growth was potentiated and was blocked by an anti-human immunoglobulin. To examine the relationship between low affinity heterophile antibody presence and disease progression, 1100 archived serum samples were analyzed with two pairs of antibodies from 443 diabetes-free first degree relatives of Type 1 diabetes mellitus patients for heterophile antibody; 95 individuals developed diabetes on follow-up. Twenty-two individuals, whose serum was heterophile antibody positive with the second pair of antibodies (but negative with the first pair of antibodies), had a significantly higher incidence of developing diabetes after five years. Thirty-seven individuals with heterophile antibody reactivity with the first pair of antibodies, regardless of reactivity with the second pair of antibodies, had a significantly lower incidence of developing diabetes. While we cannot exclude the presence of genuine cytokine in all sera, these data indicate the presence of distinct groups of heterophile antibodies in patients at high risk to develop diabetes. Thus, anti-Ig heterophilic antibodies with different immunochemical reactivities are linked to the progression of or protection from Type 1 diabetes autoimmunity.
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Affiliation(s)
- T Orban
- Joslin Diabetes Center, Immunology Section, Harvard Medical School, Boston, MA 02215, USA.
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10
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Orban T, Landaker E, Ruan Z, Cordeman TP, Weitgasser R, Bonner-Weir S, Jackson RA, Patti ME. High-fructose diet preserves beta-cell mass and prevents diabetes in nonobese diabetic mice: A potential role for increased insulin receptor substrate-2 expression. Metabolism 2001; 50:1369-76. [PMID: 11699059 DOI: 10.1053/meta.2001.27191] [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: 11/11/2022]
Abstract
We demonstrate that a high-fructose diet reduces the incidence of diabetes in nonobese diabetic (NOD) mice (31.2% v 57.1% on regular chow (RC); P =.009). In a second cohort of mice, we evaluated potential mechanisms for the protective effect of the high-fructose (HF) diet and whether the metabolic changes are strain-specific. Sixty NOD and 60 Balb/c mice were randomized at weaning into HF- and RC-fed groups (30 mice each) and followed for 28 weeks. Glucose tolerance testing demonstrated improved glucose tolerance in HF diet groups (P =.001 in Balb/c; P =.04 in NOD mice at 6 months). beta-cell mass was preserved in NOD mice on the HF diet, but remained unchanged in Balb/c mice. In NOD mice, hepatic insulin receptor substrate (IRS)-2 protein expression increased by 2-fold (P =.01 for 2 v 6 months) in HF-fed mice and was 53% +/- 15% higher (P =.01) in the HF diet versus RC groups at 6 months of age. IRS-2 expression was also increased in skeletal muscle of NOD mice and in both liver and muscle of Balb/c mice. Our data suggest that a HF diet improves glucose tolerance in both NOD and Balb/c mice. The improved glucose tolerance may be related to increased IRS-2 expression and, in NOD mice, preservation of beta-cell mass.
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Affiliation(s)
- T Orban
- Section on Immunology, Joslin Diabetes Center, Boston, MA 02115, USA
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11
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Yu L, Cuthbertson DD, Maclaren N, Jackson R, Palmer JP, Orban T, Eisenbarth GS, Krischer JP. Expression of GAD65 and islet cell antibody (ICA512) autoantibodies among cytoplasmic ICA+ relatives is associated with eligibility for the Diabetes Prevention Trial-Type 1. Diabetes 2001; 50:1735-40. [PMID: 11473032 DOI: 10.2337/diabetes.50.8.1735] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [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
More than 71,000 relatives of type 1 diabetic patients have been screened for cytoplasmic islet cell antibodies (ICAs), GAD65 autoantibodies (GAAs), and ICA512 autoantibodies (ICA512AAs). Among those 71,148 relatives, 2,448 were cytoplasmic ICA+, and the remainder were ICA-. Of the ICA+ group, 1,229 (50.2%) were positive for GAAs and/or ICA512AAs. Among ICA- relatives, 1,897 (2.76%) were positive for GAAs and/or ICA512AAs. Given the large number of relatives positive for cytoplasmic ICA and negative for "biochemically" determined autoantibodies, and the converse, we analyzed the proportion of ICA+ relatives found eligible to participate in the intervention phase of Diabetes Prevention Trial-Type 1 (DPT-1). To be eligible for the parenteral insulin DPT-1 trial, a relative had to have first-phase insulin secretion below the 1st percentile of cut-points (for parents) or below the 10th percentile (for siblings and offspring). To be eligible for the oral insulin trial, a relative had to have first-phase insulin secretion above cut-points (>1st percentile for parents, >10th percentile for siblings/offspring) and be positive for anti-insulin autoantibodies. For both trials, DQB1*0602 was an exclusion criteria, cytoplasmic ICA positivity had to be confirmed, and an oral glucose tolerance test had to result in nondiabetic levels. Of 572 relatives found to be eligible for trial entry, 442 (77.3%) were positive for GAAs and/or ICA512AAs, although overall only 50.2% of ICA+ relatives were positive for GAAs and/or ICA512AAs. The positive predictive value for trial eligibility for ICA+ relatives with GAAs or ICA512AAs who completed staging was 51.0%. In contrast, only 11.9% of ICA+ but GAA- and ICA512AA- relatives were found to be eligible by DPT criteria for trial entry. Positivity for biochemically determined autoantibodies among cytoplasmic antibody-positive relatives is associated with eligibility for the DPT-1 study.
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Affiliation(s)
- L Yu
- Barbara Davis Center for Childhood Diabetes, University of Colorado, Denver, Colorado 80262, USA
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Malecki MT, Jhala US, Antonellis A, Fields L, Doria A, Orban T, Saad M, Warram JH, Montminy M, Krolewski AS. Mutations in NEUROD1 are associated with the development of type 2 diabetes mellitus. Nat Genet 1999; 23:323-8. [PMID: 10545951 DOI: 10.1038/15500] [Citation(s) in RCA: 387] [Impact Index Per Article: 15.5] [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: 11/09/2022]
Abstract
The helix-loop-helix (HLH) protein NEUROD1 (also known as BETA2) functions as a regulatory switch for endocrine pancreatic development. In mice homozygous for a targeted disruption of Neurod, pancreatic islet morphogenesis is abnormal and overt diabetes develops due in part to inadequate expression of the insulin gene (Ins2). NEUROD1, following its heterodimerization with the ubiquitous HLH protein E47, regulates insulin gene (INS) expression by binding to a critical E-box motif on the INS promoter. Here we describe two mutations in NEUROD1, which are associated with the development of type 2 diabetes in the heterozygous state. The first, a missense mutation at Arg 111 in the DNA-binding domain, abolishes E-box binding activity of NEUROD1. The second mutation gives rise to a truncated polypeptide lacking the carboxy-terminal trans-activation domain, a region that associates with the co-activators CBP and p300 (refs 3,4). The clinical profile of patients with the truncated NEUROD1 polypeptide is more severe than that of patients with the Arg 111 mutation. Our findings suggest that deficient binding of NEUROD1 or binding of a transcriptionally inactive NEUROD1 polypeptide to target promoters in pancreatic islets leads to the development of type 2 diabetes in humans.
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Affiliation(s)
- M T Malecki
- Research Division, Joslin Diabetes Center, Harvard Medical School, Boston, Massachusetts, USA
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Doria A, Yang Y, Malecki M, Scotti S, Dreyfus J, O'Keeffe C, Orban T, Warram JH, Krolewski AS. Phenotypic characteristics of early-onset autosomal-dominant type 2 diabetes unlinked to known maturity-onset diabetes of the young (MODY) genes. Diabetes Care 1999; 22:253-61. [PMID: 10333942 DOI: 10.2337/diacare.22.2.253] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.6] [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: 02/03/2023]
Abstract
OBJECTIVE To investigate whether there are forms of early-onset autosomal-dominant type 2 diabetes that are distinct from typical maturity-onset diabetes of the young (MODY) and to characterize their phenotypic characteristics. RESEARCH DESIGN AND METHODS The study included 220 affected subjects from 29 families in which early-onset type 2 diabetes occurred in multiple generations and was not linked to known MODY genes (MODY gene-negative families). All individuals underwent an oral glucose tolerance test and other clinical measurements aimed at investigating the underlying metabolic defect and the presence of diabetic complications. For comparison, 79 affected carriers of MODY3 (hepatocyte nuclear factor [HNF]-1 alpha) mutations were similarly examined. RESULTS Subjects from MODY gene-negative pedigrees were diagnosed with diabetes at an older age (36 +/- 17 vs. 21 +/- 10 years, P = 0.0001) and were more frequently obese (52 vs. 18%, P = 0.0001) than MODY3 individuals. MODY gene-negative patients who were insulin treated required more exogenous insulin than did MODY3 subjects (0.7 +/- 0.4 vs. 0.45 +/- 0.2 U.kg-1.day-1, P = 0.04), despite similar C-peptide levels. Among subjects not treated with insulin, MODY gene-negative subjects had significantly higher serum insulin levels, both fasting (16.5 +/- 15 vs. 6.5 +/- 5 microU/ml, P = 0.027) and 2 h after a glucose load (53 +/- 44 vs. 11 +/- 10, P = 0.002). They also had higher serum triglycerides (P = 0.02), higher cholesterol levels (P = 0.02), more hypertension (P = 0.0001), and more nephropathy (P = 0.001). Differences persisted when families were matched for age at diagnosis. CONCLUSIONS Our findings indicate the existence of forms of early-onset autosomal-dominant type 2 diabetes that are distinct from MODY and are frequently characterized by insulin resistance, similar to later-onset type 2 diabetes. Because of the Mendelian pattern of inheritance, the goal of identifying the genes involved in these forms of diabetes appears to be particularly feasible.
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Affiliation(s)
- A Doria
- Section on Genetics, Joslin Diabetes Center, Boston, MA 02215, USA.
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Freire MB, Ji L, Onuma T, Orban T, Warram JH, Krolewski AS. Gender-specific association of M235T polymorphism in angiotensinogen gene and diabetic nephropathy in NIDDM. Hypertension 1998; 31:896-9. [PMID: 9535411 DOI: 10.1161/01.hyp.31.4.896] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.6] [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: 02/07/2023]
Abstract
This study examined the association between the development of nephropathy in non-insulin-dependent diabetes mellitus (NIDDM) patients and M235T polymorphism in the angiotensinogen gene. White NIDDM patients with diabetic nephropathy (case subjects, n = 117) and patients without any evidence of nephropathy and > or = 10 years of NIDDM (control subjects, n = 125) were selected from among patients of the Joslin Diabetes Center and examined. In addition to a standardized examination, blood was drawn for DNA and determination of M235T genotypes at the angiotensinogen locus. For the angiotensinogen gene, the frequency of the genotype 235T/235T, known to be associated with essential hypertension, was higher among case subjects with nephropathy than in control subjects without this complication. This difference, expressed as the odds ratio for nephropathy among 235T/235T homozygotes in comparison with all other genotypes, was 2.2 (95% confidence interval, 1.1 to 4.4). The difference, however, was confined to men (odds ratio, 4.8; 95% confidence interval, 1.5 to 14.9), with the distribution of genotypes in case and control subjects being equal among women (odds ratio, 1.1). DNA polymorphism M235T in the angiotensinogen gene, which is associated with higher expression of this gene, contributes to the risk of diabetic nephropathy in NIDDM men but not in women.
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Affiliation(s)
- M B Freire
- Joslin Diabetes Center, and Department of Medicine, Harvard Medical School, Boston, Mass 02215, USA
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Wilson SB, Kent SC, Patton KT, Orban T, Jackson RA, Exley M, Porcelli S, Schatz DA, Atkinson MA, Balk SP, Strominger JL, Hafler DA. Extreme Th1 bias of invariant Valpha24JalphaQ T cells in type 1 diabetes. Nature 1998; 391:177-81. [PMID: 9428763 DOI: 10.1038/34419] [Citation(s) in RCA: 552] [Impact Index Per Article: 21.2] [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: 02/05/2023]
Abstract
Type 1 diabetes (insulin-dependent diabetes mellitus, IDDM) is a disease controlled by the major histocompatibility complex (MHC) which results from T-cell-mediated destruction of pancreatic beta-cells. The incomplete concordance in identical twins and the presence of autoreactive T cells and autoantibodies in individuals who do not develop diabetes suggest that other abnormalities must occur in the immune system for disease to result. We therefore investigated a series of at-risk non-progressors and type 1 diabetic patients (including five identical twin/triplet sets discordant for disease). The diabetic siblings had lower frequencies of CD4-CD8- Valpha24JalphaQ+ T cells compared with their non-diabetic sibling. All 56 Valpha24JalphaQ+ clones isolated from the diabetic twins/triplets secreted only interferon (IFN)-gamma upon stimulation; in contrast, 76 of 79 clones from the at-risk non-progressors and normals secreted both interleukin (IL)-4 and IFN-gamma. Half of the at-risk non-progressors had high serum levels of IL-4 and IFN-gamma. These results support a model for IDDM in which Thl-cell-mediated tissue damage is initially regulated by Valpha24JalphaQ+ T cells producing both cytokines; the loss of their capacity to secrete IL-4 is correlated with IDDM.
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Affiliation(s)
- S B Wilson
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts 02138, USA
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Takahashi Y, Kadowaki H, Momomura K, Fukushima Y, Orban T, Okai T, Taketani Y, Akanuma Y, Yazaki Y, Kadowaki T. A homozygous kinase-defective mutation in the insulin receptor gene in a patient with leprechaunism. Diabetologia 1997; 40:412-20. [PMID: 9112018 DOI: 10.1007/s001250050695] [Citation(s) in RCA: 48] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We report a homozygous missense mutation at position 1092 (substitution of glutamine for arginine) in the tyrosine kinase domain of the insulin receptor in a patient with leprechaunism associated with severe insulin resistance and intrauterine growth retardation. Site-directed mutagenesis as well as analyses of the patient's lymphocytes revealed that this mutation causes a marked decrease in tyrosine kinase activity of the insulin receptor without any defect in insulin binding, which causes severe defects in insulin-stimulated glucose transport, glycogen synthesis and DNA synthesis. Thus, this is the first homozygous mutation resulting in a selective-kinase defect of the insulin receptor. Interestingly, the parents who are cousins and are heterozygous for the mutation have type A insulin resistance syndrome. This correlation between genotype and phenotype in a single pedigree suggests that the severity of the mutation will determine the phenotype. Based upon this assumption, we have been successful in prenatal diagnosis of the fifth child. Furthermore, we have demonstrated the effectiveness of clinical administration of insulin-like growth factor-I (IGF-I) in this patient and in vitro analysis of the patient's skin fibroblasts, suggesting that IGF-I can compensate for insulin action via the IGF-I receptor in a patient almost lacking functional insulin receptors.
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Affiliation(s)
- Y Takahashi
- Third Department of Internal Medicine, Faculty of Medicine, University of Tokyo, Japan
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Hone J, Accili D, al-Gazali LI, Lestringant G, Orban T, Taylor SI. Homozygosity for a new mutation (Ile119-->Met) in the insulin receptor gene in five sibs with familial insulin resistance. J Med Genet 1994; 31:715-6. [PMID: 7815442 PMCID: PMC1050083 DOI: 10.1136/jmg.31.9.715] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [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: 01/27/2023]
Abstract
Mutations in the insulin receptor gene can cause genetic syndromes such as leprechaunism that are associated with extreme insulin resistance. We have investigated a patient with leprechaunism born of a consanguineous marriage. All 22 exons of the insulin receptor gene were screened for mutations using denaturing gradient gel electrophoresis. Thereafter, the nucleotide sequences of selected exons were determined directly. The patient was homozygous for a point mutation in exon 2 of the insulin receptor gene which results in the substitution of methionine for isoleucine at codon 119. Thus, the mutant allele encodes a receptor that has a mutation in the putative insulin binding domain. Accordingly, the mutant receptor would be predicted not to transduce the insulin signal effectively. In spite of a homozygous abnormality of the insulin receptor gene and many of the clinical features of severe insulin resistance, the proband's clinical syndrome was noticeably different from previously described patients with leprechaunism who usually die within the first six months of life. There are a total of nine children in the family, five of whom are homozygous for the Ile119-->Met mutation in the insulin receptor gene, and are clinically affected with varying degrees of severity. Four unaffected sibs are clinically normal; two are heterozygous carriers of the mutant allele, one is homozygous for the normal allele, and one unaffected sib was not available for molecular studies.
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Affiliation(s)
- J Hone
- Diabetes Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892
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Affiliation(s)
- T Orban
- Department of Paediatrics, Tawam Hospital, Al Ain, Abu Dhabi, United Arab Emirates
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Revesz T, Orban T, DeBuse P. Transient respiratory depression in two patients with Down's syndrome following Midazolam premedication. Med Pediatr Oncol 1993; 21:384. [PMID: 8492756 DOI: 10.1002/mpo.2950210519] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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de Grosz E, Orban T, Gerendas M. [Bioplast implant. New surgical method in retinal detachment. Preliminary report]. Presse Med (1893) 1967; 75:2714. [PMID: 6081771] [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: 01/18/2023]
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