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Zhou EJ, Lang XL, Yang MJ, Sun HY, Hao MY, Jin J, Wang BL, Li AJ, Wang XJ. Modeling and biological evaluation of pegmolesatide, a novel and potent erythropoiesis-stimulating agent. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2024:1-9. [PMID: 38860546 DOI: 10.1080/10286020.2024.2362376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 05/27/2024] [Indexed: 06/12/2024]
Abstract
Pegmolesatide, a synthetic, polyethylene-glycolylated, peptide-based erythropoiesis-stimulating agent (ESA), has been recently approved in China. Pegmolesatide is derived from the structure of endogenous erythropoietin (EPO), a natural product in mammals. This study compared the in vitro effects and selectivity of pegmolesatide to those of recombinant EPO and carbamylated EPO (CEPO) through computer-aided analyses and biological tests. The findings indicate that pegmolesatide exhibited the same stimulating effect on erythropoiesis as EPO with fewer side effects than EPO and CEPO.
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Affiliation(s)
- En-Jia Zhou
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Xu-Li Lang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Min-Jian Yang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Drugability Evaluation, Department of Medicinal Chemistry, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Han-Yu Sun
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Meng-Yao Hao
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Jing Jin
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Bao-Lian Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Ai-Jun Li
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences (South Campus), Beijing 100050, China
| | - Xiao-Jian Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Drugability Evaluation, Department of Medicinal Chemistry, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China
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Shrateh ON, Thalji M, Jobran AW, Brakat AM, Attia AM, Abunejma FM. Genotype Mutations in Palestinian Children with Familial Mediterranean Fever: Clinical Profile, and Response to Colchicine Treatment: A Retrospective Cohort Study. Mediterr J Rheumatol 2023; 34:332-341. [PMID: 37941861 PMCID: PMC10628868 DOI: 10.31138/mjr.20230912.stm] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 09/08/2023] [Accepted: 09/08/2023] [Indexed: 11/10/2023] Open
Abstract
Background Familial Mediterranean fever is a hereditary autoinflammatory disease affecting mainly Arabs, Turks, Armenians, and Jews with genotype-phenotype heterogeneity, presenting as recurrent episodes of fever along with polyserositis and rash. To date, more than 370 mutations in the MEFV gene have been recognized to cause the disease. Methods We conducted a retrospective cohort study involving 124 patients in Hebron, Palestine, diagnosed with FMF at the Al-Ahli, and Palestinian Red Crescent Society (PRCS) Hospitals. Results The median age of diagnosis was five years, presenting as abdominal pain (76.6%), fever (67.7%), joint pain and arthritis. Regarding MEFV gene mutations, we had 62 patients (50%) with heterozygous genotypes, 40 patients (32.3%) with homozygous phenotypes, 21 patients (16.9%) with compound heterozygous genotypes, and one was a missing state. Regarding variant frequencies, M694V was the most common one (43.4%), followed by E148Q (15.6%), V726A (5.7%), A744S (4.1%), and R202Q (4.1%). Positive family history was detected in 59 patients (54.6%), and there was no significant difference in zygosity regarding characteristics, consanguinity, and family history. Conclusions We affirm in this study of 124 children with FMF, abdominal pain, followed by fever, joint pain and arthritis were the main manifestations. Further, M694V, E148Q, V726A, A744S, and R202Q were the most frequent mutations, and carrying the M649V mutations is associated with a predisposition to other comorbidities. We believe that this study gives a pervasive overview of FMF in Palestinian patients. Looking forward, future studies on a larger number of patients could precisely highlight the genotype-phenotype association among FMF patients.
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Affiliation(s)
- Oadi N. Shrateh
- Faculty of Medicine, Al-Quds University, Jerusalem, Palestine
| | - Mariam Thalji
- Faculty of Medicine, Al-Quds University, Jerusalem, Palestine
| | | | - Aml M. Brakat
- Faculty of Medicine, Zagazig University, Ash Sharqia Governorate, Egypt
| | | | - Fawzy M. Abunejma
- Faculty of Medicine, Al-Quds University, Jerusalem, Palestine
- Department of Paediatric Rheumatology, Palestinian Red Crescent Society Hospitals, Hebron, Palestine
- Department of Paediatric Rheumatology, Al Ahli Hospital, Hebron, Palestine
- Paediatric Department, Faculty of Medicine, Hebron University, Palestine
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Ait-Idir D, Djerdjouri B. Differential mutational profiles of familial Mediterranean fever in North Africa. Ann Hum Genet 2020; 84:423-430. [PMID: 32818295 DOI: 10.1111/ahg.12404] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/07/2020] [Accepted: 08/11/2020] [Indexed: 11/30/2022]
Abstract
Familial Mediterranean fever (FMF) is a recessive autoinflammatory disease, mainly occurring in the eastern Mediterranean. In these populations, the five FMF founder mutations are differently distributed. In Algeria, the FMF-causing variants remain poorly explored. This retrospective study aims to report the mutational profile of Algerian FMF patients and to compare it with North African FMF patients. One hundred eighty-three unrelated patients clinically suspected of FMF were recruited from various Algerian hospitals (2007-2015) and tested for mutations in exon 10 of MEFV gene. Molecular analysis identified 144 mutant alleles among 87 of 183 patients (47.5%). p.M694I was the most prevalent pathogenic allele, accounting for 63.2% of mutant alleles, followed by p.M694V and p.M680I occurring with a same frequency (14.5%). Others, p.A744S (6.2%) and p.I692del (1.3%), are less frequent. Interestingly, p.M694I was the most recurrent in patients with renal AA-amyloidosis. Our results provide the first genetic data on FMF in Algeria, demonstrating the predominance of p.M694I and the absence of p.V726A, compared to other North African countries (Morocco, Tunisia, and Egypt). In conclusion, North African FMF patients display differential mutational profiles that may result from the difference in ethnic origin and the genetic heterogeneity among these populations.
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Affiliation(s)
- Djouher Ait-Idir
- Research Laboratory, Biodiversity, Biotechnology, Environment and Sustainable Development, Department of Biology, Faculty of Sciences, M'Hamed Bougara University, Boumerdes, Algeria
| | - Bahia Djerdjouri
- Laboratory of Cellular and Molecular Biology, Faculty of Biological Sciences, University of Sciences and Technology Houari Boumediene, Algiers, Algeria
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Familial Mediterranean fever: What associations to screen for? Reumatologia 2020; 58:150-154. [PMID: 32684647 PMCID: PMC7362276 DOI: 10.5114/reum.2020.96688] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 06/08/2020] [Indexed: 12/29/2022] Open
Abstract
Familial Mediterranean fever (FMF) is the most common and best known of hereditary recurrent fever or periodic fever syndromes. It was described in 1945 and genetically characterized in 1992. It is caused by a point mutation in the MEFV gene located on the short arm of chromosome 16. It is particularly frequent among Sephardic Jews, Armenians, Turks and Middle Eastern Arabs, where the prevalence can reach 1/2000 to 1/1000. Recent publications described its frequent association with other diseases and/or syndromes, particularly those of autoimmune, genetic, and autoinflammatory origin. The objective of this review is to familiarize healthcare professionals with the main associations to look for in patients followed for FMF. The early detection of these associations makes it possible to improve the management and the prognosis of patients with FMF.
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Talaat HS, Sheba MF, Mohammed RH, Gomaa MA, Rifaei NE, Ibrahim MFM. Genotype Mutations in Egyptian Children with Familial Mediterranean Fever: Clinical Profile, and Response to Colchicine. Mediterr J Rheumatol 2020; 31:206-213. [PMID: 32676558 PMCID: PMC7362121 DOI: 10.31138/mjr.31.2.206] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 04/06/2020] [Accepted: 04/14/2020] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Familial Mediterranean fever (FMF) is an autosomal recessive autoinflammatory disorder that is characterized by recurrent episodes of fever, peritonitis, pleuritis, pericarditis, and/or arthritis. MEFV is the responsible gene for FMF, of which more than 310 mutations have been reported; M694V, M694I, V726A, E148Q, and M680I mutations are the five most frequent mutations responsible for the majority of FMF patients in the Middle East. AIM To study the genetic background of FMF among Egyptian children to detect the most frequent MEFV mutations and to study the response of colchicine therapy with different gene mutations. METHODS This cross-sectional study included 109 pediatric patients already diagnosed clinically with FMF, and were following-up at the Rheumatology Outpatient Clinic, Children's Hospital, Cairo University. RESULTS Out of 109 patients, 95 had positive-MEFV mutation (87.16%), of which the most frequent mutations were E148Q (24/95 patients, 25.26%), V726A (19/95 patients, 20%), M680I (19/95 patients, 20%), M694V (17/95 patients, 17.89%), and M694I (7 patients, 7.37%). A better response to colchicine therapy was noted in E148Q mutation; on the other hand, more severe cases were reported with M694V mutations. CONCLUSION E148Q, V726A, M680I, M694V and M694I mutations are the most frequent mutations denoting the heterogeneous mutation pattern and the milder form of the disease among Egyptian patients. M694V mutations may indicate a more severe disease score.
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Affiliation(s)
- Hala S. Talaat
- Department of Pediatrics, Faculty of Medicine, Cairo University, Egypt
| | - Maha F. Sheba
- Department of Pediatrics, Faculty of Medicine, Cairo University, Egypt
| | | | | | - Nihal El Rifaei
- Department of Pediatrics, Faculty of Medicine, Cairo University, Egypt
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Ghobrial EE, Farag YM, Abdul-Aziz DM, Omar MA. Assessment of Epicardial Adipose Tissue Thickness in Children with Familial Mediterranean Fever. J Trop Pediatr 2020; 66:121-128. [PMID: 31257436 DOI: 10.1093/tropej/fmz040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
BACKGROUND Familial Mediterranean fever (FMF) is suggested to be associated with increased risk of atherosclerosis. Epicardial adipose tissue (EAT) thickness is used in prediction of atherosclerotic risk. The aim of our study was to evaluate EAT thickness in FMF patients for early detection of risk of atherosclerosis and to be compared with its level in healthy controls. METHODS Thirty 6- to 18-year-old children with FMF and 30 age- and sex-matched children (control group) were included in the study. Disease characteristics, disease severity and Mediterranean fever gene mutations were recorded. EAT thicknesses was measured by echocardiography. RESULTS EAT in patients' group was significantly greater than that of controls (5.21 ± 2.3 vs. 2.81 ± 2.96 mm, p = 0.001) and was correlated with cholesterol level and platelets count (p = 0.047 and 0.018, respectively). CONCLUSION This study concluded that EAT thickness was statistically increased in FMF patients than controls with a positive correlation with cholesterol level and platelet count. This finding suggests a higher risk for atherosclerosis in these patients. Follow-up study is needed to verify the effect of treatment of FMF on the EAT thickness. Further studies with larger number of patients following-up EAT are needed to verify this finding.
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Affiliation(s)
- Emad E Ghobrial
- Department of Pediatrics, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Yomna M Farag
- Department of Pediatrics, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Doaa M Abdul-Aziz
- Department of Pediatrics, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Mai A Omar
- Department of Pediatrics, Medical Center of Military Production Ministry, Cairo, Egypt
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Rostamizadeh L, Vahedi L, Bahavarnia SR, Alipour S, Abolhasani S, Khabazi A, Sakhinia E. Mediterranean fever (MEFV) gene profile and a novel missense mutation (P313H) in Iranian Azari-Turkish patients. Ann Hum Genet 2019; 84:37-45. [PMID: 31512232 DOI: 10.1111/ahg.12347] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 07/12/2019] [Accepted: 08/07/2019] [Indexed: 11/28/2022]
Abstract
BACKGROUND Familial Mediterranean fever (FMF) is common in Azari-Turkish people, one of the biggest ethnic groups in Iran. In this study, we sought to investigate the mutation spectrum of the MEFV gene and any genotype-phenotype correlations. METHODS AND MATERIALS 400 unrelated Azari-Turkish FMF patients were analyzed in this study. Mutations in exons 2, 3, 5, and 10 of the MEFV gene were investigated using direct Sanger sequencing, and their correlations with the clinical features of the patients were analyzed. RESULTS At least one mutation was detected in 248 (62%) patients. The most common mutations were M694V (26.25%) and E148Q (24.75%), respectively. Abdominal pain (65.2%) and fever 204 (51%) were the most frequent clinical problems in all subjects. The analysis recognized a novel missense mutation in the coding region of the MEFV gene, named P313H, which is the first report of a new mutation in exon 2 of the MEFV gene in an Azari-Turkish family. CONCLUSION Genotype-phenotype correlations obtained from this study would be helpful in the diagnosis and management of FMF patients in clinical situations. This novel missense mutation may provide useful evidence for further studies of FMF pathogenesis.
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Affiliation(s)
- Leila Rostamizadeh
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Leila Vahedi
- Liver and Gastrointestinal Disease Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Shahriar Alipour
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Somayeh Abolhasani
- Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alireza Khabazi
- Connective Tissue Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ebrahim Sakhinia
- Department of Genetics, Faculty of Medical Sciences , Tabriz University of Medical Sciences, Tabriz, Iran
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YAŞAR BİLGE NŞ, SARI İ, SOLMAZ D, ŞENEL S, EMMUNGİL H, KILIÇ L, YILMAZ ÖNER S, YILDIZ F, YILMAZ S, ERSÖZLU BOZKIRLI D, AYDIN TUFAN M, YILMAZ S, YAZISIZ V, PEHLİVAN Y, BES C, YILDIRIM ÇETİN G, ERTEN Ş, GÖNÜLLÜ E, ŞAHİN F, AKAR S, AKSU K, KALYONCU U, DİRESKENELİ H, ERKEN E, KISACIK B, SAYARLIOGLU M, ÇINAR M, KAŞİFOĞLU T. The distribution of MEFV mutations in Turkish FMF patients:
multicenter study representing results of Anatolia. Turk J Med Sci 2019; 49:472-477. [PMID: 30887796 PMCID: PMC7018361 DOI: 10.3906/sag-1809-100] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Background/aim The distribution of Mediterranean fever (MEFV) gene mutations in Turkish familial Mediterranean fever (FMF)
patients varies according to geographic area of Turkey. There is a need for highly representative data for Turkish FMF patients. The aim
of our study was to investigate the distribution of the common MEFV mutations in Turkish FMF patients in a nationwide, multicenter
study. Materials and methods Data of the 2246 FMF patients, from 15 adult rheumatology clinics located in different parts of the country,
were evaluated retrospectively. The following mutations have been tested in all patients: M694V, M680I, M694I, V726A, and E148Q. Results There were 1719 FMF patients with available genetic testing. According to the genotyping, homozygous M694V, present in
413 patients (24%), was the most common mutation . One hundred and fifty-four (9%) of patients had no detectable mutations. Allele
frequencies of common mutations were: M694V (n = 1529, 44.5%), M680I (n = 423, 12.3%), V726A (n = 315, 9.2%), E148Q (n = 214,
1%), and M694I (n = 12, <1%). Conclusion In this large-scale multicenter study, we provided information about the frequencies of common MEFV gene mutations
obtained from adult Turkish FMF patients. Nearly half of the patients were carrying at least one M694V mutations in their alleles.
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Affiliation(s)
- N. Şule YAŞAR BİLGE
- Division of Rheumatology, Department of Internal Medicine, Eskişehir Osmangazi University, EskişehirTurkey
- * To whom correspondence should be addressed. E-mail:
| | - İsmail SARI
- Division of Rheumatology, Department of Internal Medicine, Dokuz Eylül University, İzmirTurkey
| | - Dilek SOLMAZ
- Division of Rheumatology, Department of Internal Medicine, Dokuz Eylül University, İzmirTurkey
| | - Soner ŞENEL
- Division of Rheumatology, Department of Internal Medicine, Erciyes University, KayseriTurkey
| | - Hakan EMMUNGİL
- Division of Rheumatology, Department of Internal Medicine, Ege University, İzmirTurkey
| | - Levent KILIÇ
- Division of Rheumatology, Department of Internal Medicine, Hacettepe University, AnkaraTurkey
| | - Sibel YILMAZ ÖNER
- Division of Rheumatology, Department of Internal Medicine, Marmara University, İstanbulTurkey
| | - Fatih YILDIZ
- Division of Rheumatology, Department of Internal Medicine, Çukurova University, AdanaTurkey
| | - Sedat YILMAZ
- Division of Rheumatology, Department of Internal Medicine, University of Health Sciences,Gülhane Faculty of Medicine, AnkaraTurkey
| | - Duygu ERSÖZLU BOZKIRLI
- Division of Rheumatology, Department of Internal Medicine, Adana Numune Education and Research Hospital, AdanaTurkey
| | - Müge AYDIN TUFAN
- Division of Rheumatology, Department of Internal Medicine, Adana Numune Education and Research Hospital, AdanaTurkey
| | - Sema YILMAZ
- Division of Rheumatology, Department of Internal Medicine, Selçuk University, KonyaTurkey
| | - Veli YAZISIZ
- Division of Rheumatology, Department of Internal Medicine, Şişli Etfal Education and Research Hospital, İstanbulTurkey
| | - Yavuz PEHLİVAN
- Division of Rheumatology, Department of Internal Medicine, Gaziantep University, GaziantepTurkey
| | - Cemal BES
- Division of Rheumatology, Department of Internal Medicine, Abant İzzet Baysal University, BoluTurkey
| | - Gözde YILDIRIM ÇETİN
- Division of Rheumatology, Department of Internal Medicine, Kahramanmaraş Sütçü İmam University, KahramanmaraşTurkey
| | - Şükran ERTEN
- Division of Rheumatology, Department of Internal Medicine, Yıldırım Beyazıt University, AnkaraTurkey
| | - Emel GÖNÜLLÜ
- Division of Rheumatology, Department of Internal Medicine, Eskişehir Osmangazi University, EskişehirTurkey
| | - Fezan ŞAHİN
- Department of Biostatistics, Eskişehir Osmangazi University, EskişehirTurkey
| | - Servet AKAR
- Division of Rheumatology, Department of Internal Medicine, Dokuz Eylül University, İzmirTurkey
| | - Kenan AKSU
- Division of Rheumatology, Department of Internal Medicine, Ege University, İzmirTurkey
| | - Umut KALYONCU
- Division of Rheumatology, Department of Internal Medicine, Hacettepe University, AnkaraTurkey
| | - Haner DİRESKENELİ
- Division of Rheumatology, Department of Internal Medicine, Marmara University, İstanbulTurkey
| | - Eren ERKEN
- Division of Rheumatology, Department of Internal Medicine, Çukurova University, AdanaTurkey
| | - Bünyamin KISACIK
- Division of Rheumatology, Department of Internal Medicine, Medical Park, GaziantepTurkey
| | - Mehmet SAYARLIOGLU
- Division of Rheumatology, Department of Internal Medicine, Kahramanmaraş Sütçü İmam University, KahramanmaraşTurkey
| | - Muhammed ÇINAR
- Division of Rheumatology, Department of Internal Medicine, University of Health Sciences,Gülhane Faculty of Medicine, AnkaraTurkey
| | - Timuçin KAŞİFOĞLU
- Division of Rheumatology, Department of Internal Medicine, Eskişehir Osmangazi University, EskişehirTurkey
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Bd C, A K, E S, O B, E C. Increased Frequency of MEFV Genes in Patients with Epigastric Pain Syndrome. Balkan J Med Genet 2017; 20:51-58. [PMID: 29876233 PMCID: PMC5972503 DOI: 10.1515/bjmg-2017-0020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Atypical clinical forms of familial Mediterranean fever (FMF) can be misdiagnosed as therapy-resistant epigastric pain syndrome (EPS) for they share many of the same clinical features, such as abdominal pain. Thus, we aimed to determined the frequency of FMF in patients who were followed with a diagnosis of therapy-resistant EPS. Seventy-five patients with therapy-resistant EPS and 20 controls were involved in the study. To detect the FMF in patients with therapy-resistant EPS, Tel-Hashomer criteria, family history of FMF were researched and recorded. We performed performed MEFV gene analysis on all patients. Forty-three patients with EPS (57.3%) had MEFV gene mutations and the carrier rate was 30.0%. The most common MEFV gene alteration was R202Q (55.8%), followed by E148Q (16.2%), R761H (16.2%), V726A (9.3%), M680I (9.3%) and M694V (4.6%). Rarely seen mutations in the Turkish population were also identified: K695R (2.3%), L110P (2.3%) and G304R (2.3%). Eight patients with EPS were diagnosed with FMF and started on colchicine therapy. Three patients with compound heterozygosities for three mutations, two patients with compound heterozygosities for two mutations (K695R/ V726A and R202Q/ R761H), one patient with homozygous R202Q, one patient with heterozygous R202Q mutation and one patient with non- R202Q heterozygous mutation (G304R/-) had clinical FMF symptoms and were started on colchicine therapy. Patients who have therapy-resistant EPS should also be questioned about FMF, especially in high risk populations.
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Affiliation(s)
- Coskun Bd
- Department of Gastroenterology, Kayseri Training and Research Hospital, Kayseri, Turkey
| | - Kiraz A
- Department of Genetics, Kayseri Training and Research Hospital, Kayseri, Turkey
| | - Sevinc E
- Department of Gastroenterology, Kayseri Training and Research Hospital, Kayseri, Turkey
| | - Baspinar O
- Department of Internal Medicine, Kayseri Training and Research Hospital, Kayseri, Turkey
| | - Cakmak E
- Department of Gastroenterology, Cumhuriyet University, Faculty of Medicine, Sivas, Turkey
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Öksuz MF, Karkucak M, Görukmez O, Ocakoğlu G, Yıldız A, Ture M, Yakut T, Dilek K. Investigation of MEFV gene polymorphisms (G138G and A165A) in adult patients with familial Mediterranean fever. REVISTA BRASILEIRA DE REUMATOLOGIA 2017; 57:501-506. [PMID: 29173686 DOI: 10.1016/j.rbre.2016.02.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2015] [Accepted: 09/25/2015] [Indexed: 11/27/2022] Open
Abstract
AIM Various mutations have been identified in the Mediterranean fever (MEFV) gene which is reported to be responsible from Familial Mediterranean fever (FMF). In our study, we aimed to determine the frequency of the MEFV mutations in our region and to investigate the impact of G138G (rs224224, c.414A>G) and A165A (rs224223, c.495C>A) gene polymorphisms on the clinical findings of the disease. METHODS One hundred and sixteen patients diagnosed with FMF and 95 control subjects were included in this study. We used the DNA sequence analysis method to identify the most prevailing 10 mutations located in exon 2 and 10 of MEFV gene. RESULTS As a result of the MEFV mutation analysis, the most common mutation was the M694V mutation allele with a frequency rate of 41.8%. When the patients group and control group were compared in terms of frequency of both polymorphic alleles (G polymorphic allele, observed in G138G and the A polymorphic allele, observed in A165A), the variation was observed to be statistically significant (p<0.001). It was found that the MEFV mutation types have no relation with clinical findings and amyloidosis (p>0.05). CONCLUSIONS To our knowledge, our study is the first study in the Southern Marmara region that reports the frequency of MEFV mutations. Our findings imply that the polymorphisms of G138G and A165A may have an impact on progress of the disease. We think that more studies, having higher number of cases and investigating the polymorphisms of MEFV gene, are needed.
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Affiliation(s)
- Mustafa Ferhat Öksuz
- Uludag University, Faculty of Medicine, Department of Internal Medicine, Division of Rheumatology, Bursa, Turkey.
| | - Mutlu Karkucak
- Sakarya University, Education and Research Hospital, Department of Medical Genetics, Sakarya, Turkey
| | - Orhan Görukmez
- Sevket Yilmaz Education and Research Hospital, Department of Medical Genetics, Bursa, Turkey
| | - Gökhan Ocakoğlu
- Uludag University, Faculty of Medicine, Department of Biostatistics, Bursa, Turkey
| | - Abdulmecit Yıldız
- Uludag University, Faculty of Medicine, Department of Internal Medicine, Division of Nephrology, Bursa, Turkey
| | - Mehmet Ture
- Uludag University, Faculty of Medicine, Department of Medical Genetics, Bursa, Turkey
| | - Tahsin Yakut
- Uludag University, Faculty of Medicine, Department of Medical Genetics, Bursa, Turkey
| | - Kamil Dilek
- Uludag University, Faculty of Medicine, Department of Internal Medicine, Division of Rheumatology, Bursa, Turkey
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Investigação de polimorfismos no gene MEFV (G138G e A165A) em pacientes adultos com febre mediterrânica familiar. REVISTA BRASILEIRA DE REUMATOLOGIA 2017. [DOI: 10.1016/j.rbr.2015.09.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Bouomrani S, Ghribi I, Regaïeg F, Belgacem N, Trabelsi S, Lassoued N, Baïli H, Béji M. Le mésothéliome péritonéal malin au cours de la fièvre méditerranéenne familiale. ONCOLOGIE 2017. [DOI: 10.1007/s10269-017-2739-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Bagheri M, Rad IA. Analysis of the Most Common Three MEFV Mutations in 630 Patients with Familial Mediterranean Fever in Iranian Azeri Turkish Population. MAEDICA 2017; 12:169-173. [PMID: 29218063 PMCID: PMC5706755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
INTRODUCTION The aim of the present study was to determine the frequency of M694V, M680I and V726A mutations of the MEFV gene in 630 Azeri Turkish patients with family Mediterranean fever. MATERIAL AND METHODS The MEFV gene mutations were detected using allele-specific oligonucleotide polymerase chain reaction. OUTCOMES 630 cases with a mean age ± SD of 28.54±16.54 ranging from 2.5 to 76 years old including 268 (42.54%) males and 362 (57.46%) females, were tested. Nineteen patients were homozygote for one mutation (3.02%), 127 were heterozygote for one mutation (20.2%) and 18 were compound heterozygote for two mutations (2.86%). Mutation analysis confirmed that the most common mutation was M694V 109 (8.65%). V726A and M680I mutations accounted for 4.44% of the alleles; V726A 32 (2.54%) and M680I 24 (1.9%). In this study, compound heterozygote for M694V and V726A, M694V and M680I, and V726A and M680I mutations were found in 1.43%, 0.79%, and 0.63% from West Azerbaijan province in exon 10. Mutation was found in 164 (26.03%) of cases regarding analysis of the three most common MEFV mutations, but in 466 (73.97%) of cases, no mutation was detected. Among our samples, the frequencies of mutant genotypes were 15 (2.38%), 1 (0.15%), 3 (0.47%), 9 (1.42%), 4 (0.63%) and 5 (0.79%), regarding M694V/M694V, M680I/M680I, V726A/V726A, M694V/ V726A, M680I/ V726A and M680I/ M694V, respectively. In our samples, 79 (12.53%), 26 (4.12%), and 22 (3.49%) cases had M694V/normal, V726A/normal, and M680I/normal genotypes regarding M694V, V726A, and M680I mutations, respectively. CONCLUSIONS The M694V mutation is the most common risk factor for family Mediterranean fever in our group.
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Affiliation(s)
- Morteza Bagheri
- Cellular and Molecular Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - Isa Abdi Rad
- Cellular and Molecular Research Center, Urmia University of Medical Sciences, Urmia, Iran
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Cekin N, Akyurek ME, Pinarbasi E, Ozen F. MEFV mutations and their relation to major clinical symptoms of Familial Mediterranean Fever. Gene 2017; 626:9-13. [PMID: 28483595 DOI: 10.1016/j.gene.2017.05.013] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 04/28/2017] [Accepted: 05/04/2017] [Indexed: 10/19/2022]
Abstract
Familial Mediterranean fever is a common hereditary disease in Turkey. To date, different mutational spectrum of MEFV gene was observed in studies carried out in different regions of Turkey but in most of these studies association of clinical symptoms of FMF to mutant genotypes have not been investigated in details. Here we report the MEFV gene variations in exons 2, 3, 5 and 10 and their relations to major clinical symptoms of FMF in 514 unrelated (245 males and 269 females) Turkish patients. MEFV mutations were found in 45% (n=230) of patients and 55% (n=284) of patients did not have any mutations. One hundred and thirty-seven (60%) patients were heterozygous, 57 (24.7%) patients were compound heterozygous, 33 (14%) patients were homozygous and 3 (1.3%) patients were having a complex genotype. Allele frequencies of MEFV mutations were M694V (48%), E148Q (18%), M680I (15%), V726A (12.5%), P369S (3.3%), R761H (0.9), K695R (0.9), E148V (0.9) and A744S (0.5%). Abdominal pain (76%) and fever (58%) were two most seen complications among patients followed by arthritis (28%) and chest pain (19%). Almost all major clinical symptoms of FMF were higher in patients with one or more M694V or M680I mutant allele. In contrast, patients having E148Q or V726A mutant allele showed fewer clinical FMF symptoms. Patients with P369S have higher abdominal pain, chest pain and fever than expected. Arthritis was high in K695R heterozygous genotype. One hundred and eighteen patients were carrying more than one polymorphic allele. The most common polymorphism was R202Q (13%). In addition, a novel heterozygous polymorphism at 564th nucleotide (C>T) of exon2 were found in 2 patients.
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Affiliation(s)
- Nilgun Cekin
- Department of Medical Biology, Faculty of Medicine, Cumhuriyet University, Sivas, Turkey
| | | | - Ergun Pinarbasi
- Department of Medical Biology, Faculty of Medicine, Cumhuriyet University, Sivas, Turkey.
| | - Filiz Ozen
- Medeniyet University, Ministry of Health, Goztepe Training and Research Hospital, Istanbul, Turkey
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Kilic A, Varkal MA, Durmus MS, Yildiz I, Yıldırım ZNY, Turunc G, Oguz F, Sidal M, Omeroglu RE, Emre S, Yilmaz Y, Kelesoglu FM, Gencay GA, Temurhan S, Aydin F, Unuvar E. Relationship between clinical findings and genetic mutations in patients with familial Mediterranean fever. Pediatr Rheumatol Online J 2015; 13:59. [PMID: 26759267 PMCID: PMC4711108 DOI: 10.1186/s12969-015-0057-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Accepted: 12/11/2015] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Familial Mediterranean fever (FMF) is one of the most frequent genetic diseases encountered in the Mediterranean region. We aimed to investigate the correlation between genetic mutations and the clinical findings in 562 patients with FMF. METHODS In this retrospective cross-sectional study conducted with patients' files between 2006, and 2013, reverse hybridization assay for MEFV gene mutations was used and the 12 most frequent mutations were screened. Mutation types and clinical findings were compared with variance analysis. RESULTS The mean age was 6.9 ± 3.4 years (range, 1.8-11.6 years). The most common symptom was fever (97.3%). Thirty-four of the patients (6.04%) were admitted with periodic fever only. Of these patients, M694V was the most common mutation type (73.5%). The percentage of the patients predominantly presenting with recurrent abdominal pain was 77.78% and the most frequent mutations were M694V and E148Q. The rate of arthritis and arthralgia was significantly higher in patients with M694V and E148Q mutations. Chest pain was reported more often in patients homozygous for M694V (61.4%). Pericardial effusion was documented in the echocardiography of 10.9% of the 229 children with chest pain. Some patients had both FMF and Henoch Schönlein purpura (HSP), and were more likely to harbor either homozygote M694V or E148Q mutations. The frequency of episodes was higher in patients with homozygous M694V mutations (number of attacks = 4.4 ± 1.6/month). Proteinuria was detected in 106 patients of cases (29.2%), at an average of 854 ± 145 mg/L. Most of the patients with proteinuria and elevated serum amyloid-A had homozygous M694V mutation. CONCLUSION The most common mutation in children in Turkey with FMF is the M694V mutation. Recurrent abdominal pain, arthritis or arthralgia, chest pain, and pericarditis were commonly seen in patients with M694V and E148Q mutations.
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Affiliation(s)
- Ayse Kilic
- Department of General Pediatrics, Istanbul University, Istanbul Medical Faculty, 34090, Istanbul, Turkey.
| | - Muhammet Ali Varkal
- Department of General Pediatrics, Istanbul University, Istanbul Medical Faculty, 34090, Istanbul, Turkey.
| | - Mehmet Sait Durmus
- Department of General Pediatrics, Istanbul University, Istanbul Medical Faculty, 34090, Istanbul, Turkey.
| | - Ismail Yildiz
- Department of General Pediatrics, Istanbul University, Istanbul Medical Faculty, 34090, Istanbul, Turkey.
| | | | - Gorkem Turunc
- Department of Pediatrics, Istanbul University, Istanbul Medical Faculty, Istanbul, Turkey.
| | - Fatma Oguz
- Department of Pediatrics, Istanbul University, Institute of Child Health, Istanbul, Turkey.
| | - Mujgan Sidal
- Department of General Pediatrics, Istanbul University, Istanbul Medical Faculty, 34090, Istanbul, Turkey.
| | - Rukiye Eker Omeroglu
- Department of Pediatric Rheumatology, Istanbul University, Istanbul Medical Faculty, Istanbul, Turkey.
| | - Sevinc Emre
- Department of Pediatric Rheumatology, Istanbul University, Istanbul Medical Faculty, Istanbul, Turkey.
| | - Yasin Yilmaz
- Department of Pediatrics, Istanbul University, Istanbul Medical Faculty, Istanbul, Turkey.
| | - Fatih Mehmet Kelesoglu
- Department of Pediatric Rheumatology, Istanbul University, Istanbul Medical Faculty, Istanbul, Turkey.
| | - Genco Ali Gencay
- Department of Pediatrics, Istanbul University, Istanbul Medical Faculty, Istanbul, Turkey.
| | - Sonay Temurhan
- Department of Medical Biology, Istanbul University, Istanbul Medical Faculty, Istanbul, Turkey.
| | - Filiz Aydin
- Department of Medical Biology, Istanbul University, Istanbul Medical Faculty, Istanbul, Turkey.
| | - Emin Unuvar
- Department of General Pediatrics, Istanbul University, Istanbul Medical Faculty, 34090, Istanbul, Turkey.
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Frequency of MEFV gene mutations in Hatay province, Mediterranean region of Turkey and report of a novel missense mutation (I247V). Gene 2014; 546:195-9. [PMID: 24929125 DOI: 10.1016/j.gene.2014.06.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Revised: 05/31/2014] [Accepted: 06/10/2014] [Indexed: 11/22/2022]
Abstract
In the present study, 1000 patients with clinical suspicion of FMF were retrospectively reviewed to determine the spectrum of MEFV gene mutations by using DNA sequence analysis between September, 2008 and April, 2012. Sixteen different mutations and 55 different genotypes were detected in 618 of 1000 patients. Among 16 different mutations, R202Q (21.35%) was the most frequently observed mutation; followed by E148Q (8.85%), M694V (7.95%), M680I (2.40%), V726A (1.85%), M694I (0.95%), A744S (0.80%), R761H (0.55%), P283L (0.35%), K695R (0.20%), E230K (0.15%), L110P (0.10%), I247V (0.05%), G196W (0.05%) and G304R (0.05%). In the present study, a novel missense mutation (I247V) and a silent variant (G150G) were identified in the MEFV gene. On the other hand, P238L, G632A and G304R mutations are the first cases reported from Turkey. Our results indicated that MEFV mutations are highly heterogeneous in our study population as in other regions of Turkey and mutation screening techniques such as PCR-RFLP, amplification refractory mutation system or reverse hybridization do not adequately detect uncommon or novel mutations. Therefore, it was proven that sequence analysis of the MEFV gene could be useful for detection of rare or unknown mutations.
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Sayın Kocakap DB, Günel-Özcan A, Çabuk F, Ensari C. The frequency of Familial Mediterranean fever gene mutations and genotypes at Kirikkale and comparison with the mean of regional MEFV mutation frequency of Turkey. Mol Biol Rep 2014; 41:1419-26. [PMID: 24381109 DOI: 10.1007/s11033-013-2986-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Accepted: 12/24/2013] [Indexed: 01/12/2023]
Abstract
In this study we have retrospectively analysed the mutation spectrum of the 351 Familial Mediterranean fever patients referred to Kırıkkale University Faculty of Medicine, Department of Medical Genetics Laboratory over a period of 5 years and compared them with Turkey's mean. We have found 11 different mutations, including rare mutations such as F479L, K695R, M680I(G/A) and 45 different genotypes showing the heterogeneity of MEFV mutations in Central Anatolia. The most three prevalent mutations were M694V (14.8%), E148Q (7.1%) and M680I(G/C) (4.1%) in accordance with the literature. We have also investigated R202Q in our routine molecular diagnosis. Mutation causing R202Q (c.605G > A) change was described as a frequent polymorphism and G allele was found in linkage disequilibrium (LD) with M694V. There are limited number of studies investigating R202Q, some of them implicate that its homozygote state is disease causing. We showed the high frequency of R202Q (23.7%) with and without M694V in all the groups analysed and its high LD rate with M694V in the diagnosed group. Our study is reflecting the mutational heterogeneity of MEFV and summarize mutational spectrum of Turkey's geographical regions and overall Turkey.
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Clementi A, Cruz DN, Granata A, Virzì GM, Battaglia G. Secondary amyloidosis in a patient carrying mutations in the familial Mediterranean fever (FMF) and tumour necrosis factor receptor-1 syndrome (TRAPS) genes. Clin Kidney J 2013; 6:613-617. [PMID: 24286006 PMCID: PMC3842151 DOI: 10.1093/ckj/sft112] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Accepted: 08/19/2013] [Indexed: 12/12/2022] Open
Abstract
Secondary amyloidosis (AA) is characterized by the extracellular tissue deposition of fibrils composed of fragments of an acute-phase reactant protein, serum amyloid A (SAA), due to chronic inflammatory diseases, infections and several neoplasms. AA amyloidosis may also complicate several hereditary diseases, where genetic factors play a pivotal role in the expression of amyloidosis. Familial Mediterranean fever (FMF) and tumour necrosis factor receptor-1 syndrome (TRAPS) are the most frequently involved. We describe a case of a 21-year-old Romanian woman who presented at the 35th week of gestation with acute abdominal pain, nausea and vomiting. The laboratory workup performed after delivery showed proteinuria in the nephrotic range and increased SAA protein. Kidney amyloid deposits were detected and genetic testing for secondary amyloidosis was performed identifying two mutations, one involving the gene of FMF (MEFV), and the other involving the tumour necrosis factor receptor-1 gene (TNFRSF1A). To our knowledge, this is the first case in the literature where secondary amyloidosis develops in a patient carrying mutations involving the genes of both FMF and TRAPS.
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Affiliation(s)
- Anna Clementi
- Department of Nephrology and Dialysis , San Giovanni Di Dio Hospital , Agrigento , Italy
| | - Dinna N Cruz
- Division of Nephrology-Hypertension, Department of Medicine , University of California , San Diego, CA , USA
| | - Antonio Granata
- Department of Nephrology and Dialysis , San Giovanni Di Dio Hospital , Agrigento , Italy
| | - Grazia Maria Virzì
- Department of Nephrology Dialysis and Transplantation , San Bortolo Hospital , Vicenza , Italy ; International Renal Research Institute (IRRIV) , Vicenza , Italy
| | - Giorgio Battaglia
- Department of Nephrology and Dialysis , Santa Marta e Santa Venera , Acireale, Catania , Italy
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Ocak Z, Ocak T, Duran A, Ozlü T, Kocaman EM. Frequency of MEFV mutation and genotype-phenotype correlation in cases with dysmenorrhea. J Obstet Gynaecol Res 2013; 39:1314-8. [PMID: 23800337 DOI: 10.1111/jog.12061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Accepted: 12/28/2012] [Indexed: 11/27/2022]
Abstract
AIM We aimed to investigate the relation between mutations and polymorphisms playing roles in the onset of clinical findings of Familial Mediterranean Fever (FMF) and clinical phenotypic reflections manifesting with painful episodes, such as dysmenorrhea. MATERIAL AND METHODS A total of 1000 female patients who had not responded well to non-steroidal anti-inflammatory drugs in the menstrual period, and who had presented to the emergency room with the complaint of recurrent pain episodes were included in the study. All the patients were Turkish women living in Istanbul. In this study, the mutations most frequently seen in the Mediterranean Fever Gene (MEFV), namely M694V, E148Q, M680I(G/C), V726A, P369S, R761H, A744S, M694I, K695R, F479L, M680I(G/A), and I692del were examined using the DNA sequence analysis following DNA isolation. RESULTS The number of individuals who had a mutation in at least one allele for FMF was 511 out of 1000 patients. Of these 511 patients, homozygous mutations were found in 21% (n = 109), compound heterozygous mutations were found in 27% (n = 136), and heterozygous mutations were found in 52% (n = 266). The most frequent homozygous genotype seen in our study population was M694V/M694V. The most common compound heterozygote genotypes were M694V/M680I, M694V/V726A, M694V/E148Q, and M680I/V726A; and 11.7% (n = 60) of the families in whom mutations were found had consanguinity. CONCLUSION Women who present to the emergency room with the complaint of dysmenorrhea that is irresponsive to non-steroidal anti-inflammatory drugs may have several types of MEFV mutations that are responsible for FMF.
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Affiliation(s)
- Zeynep Ocak
- Department of Medical Genetics, Suleymaniye Maternity Hospital for Research and Training, Istanbul, Turkey.
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Mohammadnejad L, Farajnia S. Mediterranean Fever gene analysis in the azeri turk population with familial mediterranean Fever: evidence for new mutations associated with disease. CELL JOURNAL 2013; 15:152-9. [PMID: 23862117 PMCID: PMC3712776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2012] [Accepted: 10/14/2012] [Indexed: 10/27/2022]
Abstract
OBJECTIVE Familial Mediterranean fever (FMF) is an autosomal recessive disorder characterized by recurrent febrile attacks accompanied by serosal and synovial membrane inflammation. FMF is caused by mutations in the MEFV gene and are found usually among Mediterranean populations, Armenians, Turks, Arabs and Jews. The aim of this study was to determine the frequency of MEFV gene mutations among FMF patients in the Azeri Turk population in North-West of Iran. MATERIALS AND METHODS In this descriptive study, 130 FMF patients with Azeri Turk origin were screened for mutations in four exons (2, 3, 5 and10) of MEFV gene. Genomic DNA was extracted from whole blood and entered in ARMS-PCR and PCR-RFLP reactions. When cases were negative in ARMS-PCR and PCR-RFLP, the exons were amplified and subjected to direct sequencing. RESULTS Our results showed that the most common mutations in this study population was M694V (40.19%) followed by E148Q (17.64%), V726A (13.72%), M680I (12.74%) and M694I (2.94%) mutations. Four new mutations including K618N, K716M, S614F and G136E were identified in our study. CONCLUSION The prevalence of five common mutations in our study was highly similar to previous studies analysing the Mediterranean basin populations. Investigation by sequencing also revealed four new variants in the study population. The main genotypephenotype correlation finding was the presence of M694V mutation in homozygote or compound heterozygote state in the patients with renal manifestations.
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Affiliation(s)
- Leila Mohammadnejad
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Safar Farajnia
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran,
* Corresponding Address: P.O.Box: 51656-65811Drug Applied Research Center Tabriz University of
Medical SciencesTabrizIran
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Talaat HSED, Mohamed MF, El Rifai NM, Gomaa MA. The expanded clinical profile and the efficacy of colchicine therapy in Egyptian children suffering from familial Mediterranean fever: a descriptive study. Ital J Pediatr 2012; 38:66. [PMID: 23206577 PMCID: PMC3541094 DOI: 10.1186/1824-7288-38-66] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2012] [Accepted: 11/27/2012] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Familial Mediterranean fever (FMF) is an autosomal recessive disease characterized by self-limiting recurrent attacks of fever and serosal inflammation, leading to abdominal, thoracic or articular pain. OBJECTIVE To detect variable clinical presentations and genotypic distribution of different groups of FMF patients and the efficacy of colchicine therapy in treatment of these groups of FMF after one year. METHODS A cross-sectional study was conducted on 70 patients already diagnosed with FMF and following-up at the Rheumatology Clinic, Children's Hospital - Cairo University. Diagnosis of FMF was determined according to Tel Hashomer criteria for FMF. All patients were subjected to a questionnaire including detailed history with emphasis on clinical manifestations and colchicine dose to control attacks. Mutational analysis was performed for all study subjects covering 12 mutations in the MEFV gene: E148Q, P369S, F479L, M680I (G/C), M680I (G/A), I692del, M694V, M694I, K695R, V726A, A744S and R761H. Response to colchicine treatment was evaluated as complete, incomplete and unresponsive. RESULTS Out of the 70 patients- 40 males and 30 females- fever was the most common presenting feature, followed by abdominal pain, and arthritis; documented in 95.7%, 94.3%, and 77.1% of cases respectively. Mutational analysis detected gene mutation on both alleles in 20 patients (homozygotes), on only 1 allele in 40 patients (heterozygotes), and on none of the alleles (uncharacterized cases). Mild to moderate disease severity score (according to Tel Hashomer key to severity score) was detected in a significant proportion of heterozygotes and the uncharacterized group than the homozygotes. All patients received colchicine therapy; 22.9% of them showed complete response, 74.3% showed incomplete response and 2.9% showed no response to therapy. The colchicine dose needed to control attacks was significantly lower in heterozygotes than the homozygotes(P=0.04). Also patients' response to colchicine therapy was significantly better in the heterozygous group(P=0.023). CONCLUSION Fever, abdominal pain and arthritis are the most common presenting features for homozygous, Heterozygous and uncharacterized patients. E148Q, V726A, and M680I were the most common mutations detected in the heterozygous group. Homozygosity were found for M680I, M694V, and M694I mutations in 13 patients (65% of homozygotes). Heterozygotes presenting with severe phenotype should be further analyzed for less common second MEFV mutation using gene sequencing. The colchicine dose required to control the attacks was significantly lower and patients' response to colchicine therapy was significantly better in the heterozygous group than homozygous group.
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Affiliation(s)
| | | | - Nihal Mohamed El Rifai
- Department of Pediatrics, Faculty of Medicine, Cairo University, Cairo, Egypt
- New University Children’s Hospital (Abu El Reish), 4 – Gamal Salem St. Doki, Cairo, Egypt
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Yesilada E, Taskapan H, Gulbay G. Prevalence of known mutations and a novel missense mutation (M694K) in the MEFV gene in a population from the Eastern Anatolia Region of Turkey. Gene 2012; 511:371-4. [PMID: 23031807 DOI: 10.1016/j.gene.2012.09.073] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Revised: 08/29/2012] [Accepted: 09/12/2012] [Indexed: 01/26/2023]
Abstract
Familial Mediterranean fever (FMF) is an autosomal recessive disorder characterized by recurrent attacks of fever and serositis. Mutations in the Mediterranean fever gene (MEFV) localized on the short arm of chromosome 16 cause FMF. Over 90 MEFV missense/nonsense mutations have been identified so far in FMF patients, mostly in the 10th exon of the gene. In this study, the molecular test results of 891 patients identified as having FMF clinical symptoms referred to Molecular Genetics Laboratory of the Department of Medical Biology and Genetics, Faculty of Medicine, Inonu University, Malatya/Turkey were retrospectively evaluated. Patients were referred by their physicians for MEFV mutation detection. The DNA fragments including hot spots within the coding sequences of the MEFV gene were amplified by PCR using genomic DNA and analyzed by pyrosequencing technique. Of the 891 patients investigated, 420 (47.13%) had at least one mutation. The most frequent mutation was E148Q, followed by M694V, M680I (G/C), P369S, V726A, R761H, A744S, M694I, K695R and F479L mutations. In addition, a novel missense mutation (M694K) was reported in seven members of a family in the course of mutation screening of patients.
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Affiliation(s)
- Elif Yesilada
- Department of Medical Biology and Genetics, Faculty of Medicine, Inonu University, Malatya, Turkey.
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Farivar S, Shiari R, Hadi E. Molecular analysis of MEFV gene in Iranian children with Familial Mediterranean fever. INDIAN JOURNAL OF RHEUMATOLOGY 2010. [DOI: 10.1016/s0973-3698(10)60543-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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