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Szemes K, Farkas N, Sipos Z, Bor R, Fabian A, Szepes Z, Farkas K, Molnar T, Schafer E, Szamosi T, Salamon A, Vincze A, Sarlos P. Co-Administration of Proton Pump Inhibitors May Negatively Affect the Outcome in Inflammatory Bowel Disease Treated with Vedolizumab. Biomedicines 2024; 12:158. [PMID: 38255263 PMCID: PMC10813460 DOI: 10.3390/biomedicines12010158] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 12/31/2023] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
Concomitant medications may alter the effect of biological therapy in inflammatory bowel disease. The aim was to investigate the effect of proton pump inhibitors on remission rates in patients with inflammatory bowel disease treated with the gut-selective vedolizumab. Patients from the Hungarian nationwide, multicenter vedolizumab cohort were selected for post hoc analysis. Primary outcomes were the assessment of clinical response and endoscopic and clinical remission at weeks 14 and 54. Secondary outcomes were the evaluation of the combined effect of concomitant steroid therapy and other factors, such as smoking, on remission. A total of 108 patients were identified with proton pump inhibitor data from 240 patients in the original cohort. Patients on steroids without proton pump inhibitors were more likely to have a clinical response at week 14 than patients on concomitant PPI (95% vs. 67%, p = 0.005). Non-smokers with IBD treated with VDZ were more likely to develop a clinical response at week 14 than smokers, particularly those not receiving PPI compared with patients on co-administered PPI therapy (81% vs. 53%, p = 0.041, and 92% vs. 74%, p = 0.029, respectively). We found that the use of PPIs in patients treated with VDZ may impair the achievement of response in certain subgroups. Unnecessary PPI prescriptions should be avoided.
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Affiliation(s)
- Kata Szemes
- Division of Gastroenterology, First Department of Medicine, Medical School, University of Pécs, 13 Ifjúság Street, 7624 Pecs, Hungary
| | - Nelli Farkas
- Institute of Bioanalysis, Medical School, University of Pécs, 7624 Pecs, Hungary
| | - Zoltan Sipos
- Institute of Bioanalysis, Medical School, University of Pécs, 7624 Pecs, Hungary
| | - Renata Bor
- First Department of Medicine, University of Szeged, 6720 Szeged, Hungary
| | - Anna Fabian
- First Department of Medicine, University of Szeged, 6720 Szeged, Hungary
| | - Zoltan Szepes
- First Department of Medicine, University of Szeged, 6720 Szeged, Hungary
| | - Klaudia Farkas
- First Department of Medicine, University of Szeged, 6720 Szeged, Hungary
| | - Tamas Molnar
- First Department of Medicine, University of Szeged, 6720 Szeged, Hungary
| | - Eszter Schafer
- Department of Gastroenterology, Hungarian Defence Forces Military Hospital, 1134 Budapest, Hungary
| | - Tamas Szamosi
- Department of Gastroenterology, Hungarian Defence Forces Military Hospital, 1134 Budapest, Hungary
| | | | - Aron Vincze
- Division of Gastroenterology, First Department of Medicine, Medical School, University of Pécs, 13 Ifjúság Street, 7624 Pecs, Hungary
| | - Patricia Sarlos
- Division of Gastroenterology, First Department of Medicine, Medical School, University of Pécs, 13 Ifjúság Street, 7624 Pecs, Hungary
- Institute for Translational Medicine, Medical School, University of Pécs, 7624 Pecs, Hungary
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Gonczi L, Szanto K, Farkas K, Molnar T, Szamosi T, Schafer E, Golovics PA, Barkai L, Lontai L, Lovasz B, Juhasz M, Patai A, Sarang K, Vincze A, Sarlos P, Farkas A, Dubravcsik Z, Toth TG, Miheller P, Ilias A, Lakatos PL. Clinical efficacy, drug sustainability and serum drug levels in Crohn's disease patients treated with ustekinumab - A prospective, multicenter cohort from Hungary. Dig Liver Dis 2022; 54:207-213. [PMID: 34344576 DOI: 10.1016/j.dld.2021.07.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 07/13/2021] [Accepted: 07/13/2021] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Although efficacy of ustekinumab (UST) has been demonstrated through randomized trials, data from real-life prospective cohorts are still limited. Our aim was to evaluate clinical efficacy, drug sustainability, dose intensification and results from therapeutic drug monitoring in UST treated patients with Crohn's disease (CD) using a prospective, nationwide, multicenter cohort. METHODS Patients from 10 Inflammatory Bowel Disease centers were enrolled between 2019 January and 2020 May. Patient demographics, disease phenotype, treatment history, clinical disease activity (Crohn's Disease Activity Index(CDAI), Harvey Bradshaw Index(HBI)), biomarkers, and serum drug levels were obtained. Evaluations were performed at week8 (post-induction), w16-20, w32-36, and w52-56 follow-up visits. RESULTS A total of 142 patients were included [57.4% female; complex disease behavior (B2/B3):48%, previous anti-TNF exposition:97%]. Clinical response and remission rates after induction(w8) were 78.1% and 57.7% using CDAI, and 82.5% and 51.8% based on HBI scores. The one-year clinical remission rate was 58%/57.3%(CDAI/HBI). Composite clinical and biomarker remission (CDAI<150 and C-reactive protein<10 mg/L) rates were 35.4%; 33.3%; 38.6% and 36.6% at w8/w16-20/w32-36 and w52-56. Drug sustainability was 81.9%(standard deviation(SD): 3.4) at 1 year(1y). Probability of dose intensification was high and introduced early, 42.2%(SD:4.2) at ~w32 and 51.9%(SD:4.4%) at 1y. CONCLUSION Ustekinumab showed favorable drug sustainability and clinical efficacy in a patient population with severe disease phenotype and previous anti-tumor necrosis factor (anti-TNF) failure, however frequent dose intensification was required.
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Affiliation(s)
- Lorant Gonczi
- Department of Medicine and Oncology, Semmelweis University, Budapest, Hungary
| | - Kata Szanto
- Department of Medicine, University of Szeged, Szeged, Hungary
| | - Klaudia Farkas
- Department of Medicine, University of Szeged, Szeged, Hungary
| | - Tamas Molnar
- Department of Medicine, University of Szeged, Szeged, Hungary
| | - Tamas Szamosi
- Department of Gastroenterology, Military Hospital-State Health Center, Budapest, Hungary
| | - Eszter Schafer
- Department of Gastroenterology, Military Hospital-State Health Center, Budapest, Hungary
| | - Petra A Golovics
- Department of Gastroenterology, Military Hospital-State Health Center, Budapest, Hungary
| | - Laszlo Barkai
- Department of Medicine and Oncology, Semmelweis University, Budapest, Hungary
| | - Livia Lontai
- Department of Medicine and Oncology, Semmelweis University, Budapest, Hungary
| | - Barbara Lovasz
- Department of Medicine and Oncology, Semmelweis University, Budapest, Hungary
| | - Mark Juhasz
- Department of Medicine, St. Margit Hospital, Budapest, Hungary
| | - Arpad Patai
- Department of Medicine and Gastroenterology, Markusovszky Hospital, Szombathely, Hungary
| | - Krisztina Sarang
- Department of Medicine and Gastroenterology, Markusovszky Hospital, Szombathely, Hungary
| | - Aron Vincze
- First Department of Medicine, Medical School, University of Pecs, Pecs, Hungary
| | - Patricia Sarlos
- First Department of Medicine, Medical School, University of Pecs, Pecs, Hungary
| | - Alexandra Farkas
- Department of Gastroenterology, Bács-Kiskun County Hospital, Kecskemet, Hungary
| | - Zsolt Dubravcsik
- Department of Gastroenterology, Bács-Kiskun County Hospital, Kecskemet, Hungary
| | - Tamas G Toth
- Department of Gastroenterology, St. Janos Hospital, Budapest, Hungary
| | - Pal Miheller
- 1st Department of Surgery and Interventional Gastroenterology, Semmelweis University, Budapest, Hungary
| | - Akos Ilias
- Department of Medicine and Oncology, Semmelweis University, Budapest, Hungary
| | - Peter L Lakatos
- Department of Medicine and Oncology, Semmelweis University, Budapest, Hungary; McGill University Health Center, Montreal General Hospital, Canada.
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Sarlos P, Szemes K, Hegyi P, Garami A, Szabo I, Illes A, Solymar M, Petervari E, Vincze A, Par G, Bajor J, Czimmer J, Huszar O, Varju P, Farkas N. Steroid but not Biological Therapy Elevates the risk of Venous Thromboembolic Events in Inflammatory Bowel Disease: A Meta-Analysis. J Crohns Colitis 2018; 12:489-498. [PMID: 29220427 DOI: 10.1093/ecco-jcc/jjx162] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [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: 07/05/2017] [Accepted: 11/30/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND AND AIMS Inflammatory bowel disease [IBD] is associated with a 1.5- to 3-fold increased risk of venous thromboembolism [VTE] events. The aim of this study was to determine the risk of VTE in IBD as a complication of systemic corticosteroids and anti-tumour necrosis factor alpha [TNFα] therapies. METHODS A systematic review and meta-analysis was conducted, which conforms to the Preferred Reporting Items for Systematic Reviews and Meta-analyses [PRISMA] statement. PubMed, EMBASE, Cochrane Library and Web of Science were searched for English-language studies published from inception inclusive of 15 April 2017. The population-intervention-comparison-outcome [PICO] format and statistically the random-effects and fixed-effect models were used to compare VTE risk during steroid and anti-TNFα treatment. Quality of the included studies was assessed using the Newcastle-Ottawa scale. The PROSPERO registration number is 42017070084. RESULTS We identified 817 records, of which eight observational studies, involving 58518 IBD patients, were eligible for quantitative synthesis. In total, 3260 thromboembolic events occurred. Systemic corticosteroids were associated with a significantly higher rate of VTE complication in IBD patients as compared to IBD patients without steroid medication (odds ratio [OR]: 2.202; 95% confidence interval [CI]: 1.698-2.856, p < 0.001). In contrast, treatment with anti-TNFα agents resulted in a 5-fold decreased risk of VTE compared to steroid medication [OR: 0.267; 95% CI: 0.106-0.674, p = 0.005]. CONCLUSION VTE risk should be carefully assessed and considered when deciding between anti-TNFα and steroids in the management of severe flare-ups. Thromboprophylaxis guidelines should be followed, no matter the therapy choice.
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Affiliation(s)
- Patricia Sarlos
- Division of Gastroenterology, First Department of Medicine, University of Pécs, Pécs, Hungary.,Institute for Translational Medicine, University of Pécs, Pécs, Hungary
| | - Kata Szemes
- Division of Gastroenterology, First Department of Medicine, University of Pécs, Pécs, Hungary
| | - Peter Hegyi
- Division of Gastroenterology, First Department of Medicine, University of Pécs, Pécs, Hungary.,Institute for Translational Medicine, University of Pécs, Pécs, Hungary.,Hungarian Academy of Sciences-University of Szeged, Momentum Gastroenterology Multidisciplinary Research Group, Szeged, Hungary
| | - Andras Garami
- Institute for Translational Medicine, University of Pécs, Pécs, Hungary
| | - Imre Szabo
- Division of Gastroenterology, First Department of Medicine, University of Pécs, Pécs, Hungary
| | - Anita Illes
- Division of Gastroenterology, First Department of Medicine, University of Pécs, Pécs, Hungary
| | - Margit Solymar
- Institute for Translational Medicine, University of Pécs, Pécs, Hungary
| | - Erika Petervari
- Institute for Translational Medicine, University of Pécs, Pécs, Hungary
| | - Aron Vincze
- Division of Gastroenterology, First Department of Medicine, University of Pécs, Pécs, Hungary
| | - Gabriella Par
- Division of Gastroenterology, First Department of Medicine, University of Pécs, Pécs, Hungary
| | - Judit Bajor
- Division of Gastroenterology, First Department of Medicine, University of Pécs, Pécs, Hungary
| | - Jozsef Czimmer
- Division of Gastroenterology, First Department of Medicine, University of Pécs, Pécs, Hungary
| | - Orsolya Huszar
- First Department of Surgery, Semmelweis University, Budapest, Hungary
| | - Peter Varju
- Institute for Translational Medicine, University of Pécs, Pécs, Hungary.,Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Nelli Farkas
- Institute for Translational Medicine, University of Pécs, Pécs, Hungary.,Szentágothai Research Centre, University of Pécs, Pécs, Hungary.,Institute of Bioanalysis, University of Pécs, Pécs, Hungary
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Magyari L, Varszegi D, Kovesdi E, Sarlos P, Farago B, Javorhazy A, Sumegi K, Banfai Z, Melegh B. Interleukins and interleukin receptors in rheumatoid arthritis: Research, diagnostics and clinical implications. World J Orthop 2014; 5:516-536. [PMID: 25232528 PMCID: PMC4133458 DOI: 10.5312/wjo.v5.i4.516] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Revised: 04/05/2014] [Accepted: 05/16/2014] [Indexed: 02/06/2023] Open
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease, resulting in a chronic, systemic inflammatory disorder. It may affect many tissues and organs, but it primarily affects the flexible joints. In clinical practice patient care generates many questions about diagnosis, prognosis, and treatment. It is challenging for health care specialists to keep up to date with the medical literature. This review summarizes the pathogenesis, the polymorphisms of interleukin and interleukin genes and the standard available and possible future immunologic targets for RA treatment. The identification of disease-associated interleukin and interleukin receptor genes can provide precious insight into the genetic variations prior to disease onset in order to identify the pathways important for RA pathogenesis. The knowledge of the complex genetic background may prove useful for developing novel therapies and making personalized medicine based on the individual’s genetics.
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Sarlos P, Kovesdi E, Magyari L, Banfai Z, Szabo A, Javorhazy A, Melegh B. Genetic update on inflammatory factors in ulcerative colitis: Review of the current literature. World J Gastrointest Pathophysiol 2014; 5:304-321. [PMID: 25133031 PMCID: PMC4133528 DOI: 10.4291/wjgp.v5.i3.304] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Revised: 03/19/2014] [Accepted: 07/14/2014] [Indexed: 02/06/2023] Open
Abstract
Ulcerative colitis (UC) is one of the main types of inflammatory bowel disease, which is caused by dysregulated immune responses in genetically predisposed individuals. Several genetic factors, including interleukin and interleukin receptor gene polymorphisms and other inflammation-related genes play central role in mediating and modulating the inflammation in the human body, thereby these can be the main cause of development of the disease. It is clear these data are very important for understanding the base of the disease, especially in terms of clinical utility and validity, but summarized literature is exiguous for challenge health specialist that can used in the clinical practice nowadays. This review summarizes the current literature on inflammation-related genetic polymorphisms which are associated with UC. We performed an electronic search of Pubmed Database among publications of the last 10 years, using the following medical subject heading terms: UC, ulcerative colitis, inflammation, genes, polymorphisms, and susceptibility.
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Magyari L, Kovesdi E, Sarlos P, Javorhazy A, Sumegi K, Melegh B. Interleukin and interleukin receptor gene polymorphisms in inflammatory bowel diseases susceptibility. World J Gastroenterol 2014; 20:3208-22. [PMID: 24695754 PMCID: PMC3964393 DOI: 10.3748/wjg.v20.i12.3208] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2013] [Revised: 12/20/2013] [Accepted: 02/20/2014] [Indexed: 02/06/2023] Open
Abstract
Inflammatory bowel disease (IBD), which includes Crohn's disease (CD) and ulcerative colitis (UC), represents a group of chronic inflammatory disorders caused by dysregulated immune responses in genetically predisposed individuals. Genetic markers are associated with disease phenotype and long-term evolution, but their value in everyday clinical practice is limited at the moment. IBD has a clear immunological background and interleukins play key role in the process. Almost 130 original papers were revised including meta-analysis. It is clear these data are very important for understanding the base of the disease, especially in terms of clinical utility and validity, but text often do not available for the doctors use these in the clinical practice nowadays. We conducted a systematic review of the current literature on interleukin and interleukin receptor gene polymorphisms associated with IBD, performing an electronic search of PubMed Database from publications of the last 10 years, and used the following medical subject heading terms and/or text words: IBD, CD, UC, interleukins and polymorphisms.
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Sarlos P, Varszegi D, Csongei V, Magyari L, Jaromi L, Nagy L, Melegh B. Susceptibility to ulcerative colitis in Hungarian patients determined by gene-gene interactions. World J Gastroenterol 2014; 20:219-227. [PMID: 24415875 PMCID: PMC3886011 DOI: 10.3748/wjg.v20.i1.219] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 09/17/2013] [Accepted: 10/14/2013] [Indexed: 02/06/2023] Open
Abstract
AIM: To study the inflammatory bowel disease-5 locus (IBD5) and interleukin-23 receptor (IL23R) gene variants in UC patients and test for gene-gene interaction.
METHODS: The study population (n = 625) was comprised of 320 unrelated ulcerative colitis (UC) patients with Caucasian origin and 316 age- and gender-matched, healthy controls. Five variants in the IBD5 locus (IGR2198a_1 rs11739135, IGR2096a_1 rs12521868, IGR2230a_1 rs17622208, SLC22A4 rs1050152 and SLC22A5 rs2631367) and two of the IL23R gene (rs1004819, rs2201841) were analysed. PCR and restriction fragment length polymorphism methods were used for genotyping, the SLC22A4 rs1050152 genotypes were determined by direct sequencing. Interactions and specific genotype combinations of the seven variants were tested by binary logistic regression analysis. The IL23R genotypes were stratified by IBD5 genotypes for further interaction analyses.
RESULTS: For the IL23R rs1004819 A allele we found significantly higher allele frequency (P = 0.032) in UC patients compared to control subjects. The SNP rs1004819 showed significant association with UC risk for carriers (P = 0.004, OR = 1.606; 95%CI: 1.160-2.223) and the SNP rs2201841 for homozygotes (P = 0.030, OR = 1.983; 95%CI: 1.069-3.678). Individually none of the IBD5 markers conferred risk to UC development. There was no evidence for statistical interaction either between IBD5 loci and IL23R genes using logistic regression analysis. After genotype stratification, we could detect a positive association on the background of rs1004819 A allele for SLC22A4 T, SLC22A5 C, IGR2198a_1 C or IGR2096a_1 T allele, the highest OR was calculated in the presence of SLC22A4 T allele (P = 0.005, OR = 2.015; 95%CI: 1.230-3.300). There was no association with UC for any combinations of rs1004819 and IGR2230a_1. The IL23R rs2201841 homozygous genotype and IBD5 carrier status together did not confer susceptibility for UC.
CONCLUSION: The present study has shown that UC susceptibility genes are likely to act in a complex interactive manner similar to CD.
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Magyari L, Varszegi D, Sarlos P, Jaromi L, Melegh BI, Duga B, Kisfali P, Kovesdi E, Matyas P, Szabo A, Szalai R, Melegh B. Marked differences of haplotype tagging SNP distribution, linkage, and haplotype profile of IL23 receptor gene in Roma and Hungarian population samples. Cytokine 2013; 65:148-52. [PMID: 24332578 DOI: 10.1016/j.cyto.2013.11.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Revised: 11/07/2013] [Accepted: 11/24/2013] [Indexed: 12/31/2022]
Abstract
Polymorphisms of the interleukin-23 receptor (IL23R) gene have been found to play an important role in the development of several autoimmune diseases. We examined five susceptible (rs10889677, rs1004819, rs2201841, rs11805303, rs11209032), one protective (rs7517847) and two neutral variants (rs7530511, rs1884444) of the IL23R gene in pooled DNA of healthy Roma (Gipsy) and Hungarian population samples. Our aim was to determine the genetic variability of the major haplotype tagging polymorphisms, and the haplotype profile of IL23R between the two groups. We analyzed 273 healthy Roma and 253 Hungarian DNA samples using PCR/RFLP assay. Comparing the five susceptible conferring alleles, there were significant increase (p<0.05), while in the protective alleles, there were decrease in the allele frequencies in Roma population (p<0.05). One of the neutral alleles showed increase, the another one did not differ between the two groups. The haplotype analysis of the SNPs revealed fundamentally different association types of SNPs in the two groups; moreover, the frequencies of the various haplotypes also exhibited strong differences, as of ht4 and ht5 haplotypes were significantly higher, whereas the frequencies of ht2 and ht3 haplotypes were significantly lower in the Roma population than in Hungarians (p<0.05). The data presented here show profound differences in the IL23R genetic profiles in the Roma population, that likely has also clinical implications in respect their possible role in the development of certain immunological diseases.
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Affiliation(s)
- Lili Magyari
- Department of Medical Genetics, University of Pecs, Szigeti 12, H-7624 Pecs, Hungary; Szentagothai Research Centre, Ifjusag 20, H-7624 Pecs, Hungary
| | - Dalma Varszegi
- Department of Dermatology, Venereology and Oncodermatology, University of Pecs, Kodaly 20, H-7624 Pecs, Hungary
| | - Patricia Sarlos
- 1st Department of Internal Medicine, University of Pecs, Rakoczi 2, H-7623 Pecs, Hungary
| | - Luca Jaromi
- Department of Medical Genetics, University of Pecs, Szigeti 12, H-7624 Pecs, Hungary; Szentagothai Research Centre, Ifjusag 20, H-7624 Pecs, Hungary
| | - Bela I Melegh
- Department of Medical Genetics, University of Pecs, Szigeti 12, H-7624 Pecs, Hungary
| | - Balazs Duga
- Department of Medical Genetics, University of Pecs, Szigeti 12, H-7624 Pecs, Hungary
| | - Peter Kisfali
- Department of Medical Genetics, University of Pecs, Szigeti 12, H-7624 Pecs, Hungary; Szentagothai Research Centre, Ifjusag 20, H-7624 Pecs, Hungary
| | - Erzsebet Kovesdi
- Department of Medical Genetics, University of Pecs, Szigeti 12, H-7624 Pecs, Hungary; Szentagothai Research Centre, Ifjusag 20, H-7624 Pecs, Hungary
| | - Petra Matyas
- Department of Medical Genetics, University of Pecs, Szigeti 12, H-7624 Pecs, Hungary
| | - Andras Szabo
- Department of Medical Genetics, University of Pecs, Szigeti 12, H-7624 Pecs, Hungary
| | - Renata Szalai
- Department of Medical Genetics, University of Pecs, Szigeti 12, H-7624 Pecs, Hungary
| | - Bela Melegh
- Department of Medical Genetics, University of Pecs, Szigeti 12, H-7624 Pecs, Hungary; Szentagothai Research Centre, Ifjusag 20, H-7624 Pecs, Hungary.
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