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The objective of this study was to identify and classify the spectrum of mutations found in the BRCA1 and BRCA2 genes associated with breast and ovarian cancer in female patients in Romania. Germline BRCA1 and BRCA2 mutations were investigated in a cohort of 616 female patients using NGS and/or MLPA methods followed by software-based data analysis and classification according to international guidelines. Out of the 616 female patients included in this study, we found that 482 patients (78.2%) did not have any mutation present in the two genes investigated; 69 patients (11.2%) had a BRCA1 mutation, 34 (5.5%) had a BRCA2 mutation, and 31 (5%) presented different type of mutations with uncertain clinical significance, moderate risk or a large mutation in the BRCA1 gene. Our investigation indicates the most common mutations in the BRCA1 and BRCA2 genes, associated with breast and ovarian cancer in the Romanian population. Our results also bring more data in support of the frequency of the c.5266 mutation in the BRCA1 gene, acknowledged in the literature as a founder mutation in Eastern Europe. We consider that the results of our study will provide necessary data regarding BRCA1 and BRCA2 mutations that would help to create a genetic database for the Romanian population.
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The purpose of this article is to highlight the new advancements in molecular and diagnostic genetic testing and to properly classify all ovarian cancers. In this article, we address statistics, histopathological classification, molecular pathways implicated in ovarian cancer, genetic screening panels, details about the genes, and also candidate genes. We hope to bring new information to the medical field so as to better prevent and diagnose ovarian cancer.
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Predisposición Genética a la Enfermedad , Neoplasias Ováricas , Humanos , Femenino , Pruebas Genéticas , Neoplasias Ováricas/diagnóstico , Neoplasias Ováricas/genética , Neoplasias Ováricas/terapiaRESUMEN
Tracheal atresia is an extremely rare condition whereby a partial or total obstruction of the trachea is seen. It is almost always lethal, with just a handful of cases that ended with a good outcome. In this study we report on a 15-week male fetus, diagnosed with hyperechogenic lungs, midline heart position and inverted diaphragm. Sonographic findings suggest congenital High Airway Obstruction Syndrome (CHAOS) An ultrasound scan and fetal MRI were not able to point out the exact obstruction level. In spite of extensive counselling, the parents opted to carry on with the pregnancy. Fetal demise was noted on a scan at 19 weeks gestation. After the elective termination of pregnancy, a post-mortem examination showed partial tracheal atresia with no other anomalies. Despite technological progress in CHAOS syndrome, a precise diagnosis and accurate prognosis remain elusive.
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Obstrucción de las Vías Aéreas , Tráquea , Obstrucción de las Vías Aéreas/diagnóstico por imagen , Obstrucción de las Vías Aéreas/etiología , Constricción Patológica , Femenino , Humanos , Masculino , Embarazo , Diagnóstico Prenatal , Tráquea/anomalías , Tráquea/diagnóstico por imagen , Ultrasonografía PrenatalRESUMEN
Mirror syndrome (MS) or Ballantyne's syndrome is a rare maternal condition that can be life-threatening for both mother and fetus. The condition is characterized by maternal signs and symptoms similar to those seen in preeclampsia in the setting of fetal hydrops. Despite recent advances in the field of maternal-fetal medicine, the etiopathogenesis of MS remains elusive. For patients and doctors, the COVID-19 pandemic has become an extra hurdle to overcome. The following case illustrates how patients' non-compliance associated with mirror syndrome and SARS-CoV-2 infection led to the tragic end of a 19-year-old patient. Therefore, knowledge of the signs and symptoms of mirror syndrome should always be part of the armamentarium of every obstetrician.
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COVID-19 , Complejo de Eisenmenger , Adulto , Complejo de Eisenmenger/complicaciones , Complejo de Eisenmenger/epidemiología , Femenino , Humanos , Hidropesía Fetal , Pandemias , Embarazo , SARS-CoV-2 , Adulto JovenRESUMEN
BACKGROUND: Hypertrophic cardiomyopathy (HCM) is a genetic disorder mostly caused by sarcomeric gene mutations, but almost 10% of cases are attributed to inherited metabolic and neuromuscular disorders. First described in 2008 in an American-Italian family with scapuloperoneal myopathy, FHL1 gene encodes four-and-a-half LIM domains 1 proteins which are involved in sarcomere formation, assembly and biomechanical stress sensing both in cardiac and skeletal muscle, and its mutations are responsible for a large spectrum of neuromuscular disorders (mostly myopathies) and cardiac disease, represented by HCM, either isolated, or in conjunction with neurologic and skeletal muscle impairment. We thereby report a novel mutation variant in FHL1 structure, associated with HCM and type 6 Emery-Dreifuss muscular dystrophy (EDMD). CASE PRESENTATION: We describe the case of a 40 year old male patient, who was referred to our department for evaluation in the setting of NYHA II heart failure symptoms and was found to have HCM. The elevated muscular enzymes raised the suspicion of a neuromuscular disease. Rigid low spine and wasting of deltoidus, supraspinatus, infraspinatus and calf muscles were described by the neurological examination. Electromyography and muscle biopsy found evidence of chronic myopathy. Diagnosis work-up was completed by next-generation sequencing genetic testing which found a likely pathogenic mutation in the FHL1 gene (c.157-1G > A, hemizygous) involved in the development of X-linked EDMD type 6. CONCLUSION: This case report highlights the importance of multimodality diagnostic approach in a patient with a neuromuscular disorder and associated hypertrophic cardiomyopathy by identifying a novel mutation variant in FHL1 gene. Raising awareness of non-sarcomeric gene mutations which can lead to HCM is fundamental, because of diagnostic and clinical risk stratification challenges.
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Cardiomiopatía Hipertrófica/genética , Péptidos y Proteínas de Señalización Intracelular/genética , Proteínas con Dominio LIM/genética , Proteínas Musculares/genética , Enfermedades Musculares/genética , Mutación , Adulto , Cardiomiopatía Hipertrófica/diagnóstico , Salud de la Familia , Femenino , Pruebas Genéticas , Secuenciación de Nucleótidos de Alto Rendimiento , Humanos , Masculino , LinajeRESUMEN
To find sequence variants affecting prostate cancer (PCA) susceptibility in an unscreened Romanian population we use a genome-wide association study (GWAS). The study population included 990 unrelated pathologically confirmed PCA cases and 1034 male controls. DNA was genotyped using Illumina SNP arrays, and 24.295.558 variants were imputed using the 1000 Genomes data set. An association test was performed between the imputed markers and PCA. A systematic literature review for variants associated with PCA risk identified 115 unique variants that were tested in the Romanian sample set. Thirty of the previously reported SNPs replicated (P-value < 0.05), with the strongest associations observed at: 8q24.21, 11q13.3, 6q25.3, 5p15.33, 22q13.2, 17q12 and 3q13.2. The replicated variants showing the most significant association in Romania are rs1016343 at 8q24.21 (P = 2.2 × 10-4 ), rs7929962 at 11q13.3 (P = 2.7 × 10-4 ) and rs9364554 at 6q25.2 (P = 4.7 × 10-4 ). None of the variants tested in the Romanian GWAS reached genome-wide significance (P-value <5 × 10-8 ) but 807 markers had P-values <1 × 10-4 . Here, we report the results of the first GWAS of PCA performed in a Romanian population. Our study provides evidence that a substantial fraction of previously validated PCA variants associate with risk in this unscreened Romanian population.
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Biomarcadores de Tumor/genética , Sitios Genéticos , Predisposición Genética a la Enfermedad , Polimorfismo de Nucleótido Simple , Antígeno Prostático Específico/genética , Neoplasias de la Próstata/diagnóstico , Anciano , Anciano de 80 o más Años , Alelos , Biomarcadores de Tumor/sangre , Estudios de Casos y Controles , Perfilación de la Expresión Génica , Frecuencia de los Genes , Genoma Humano , Estudio de Asociación del Genoma Completo , Humanos , Masculino , Persona de Mediana Edad , Estadificación de Neoplasias , Análisis de Secuencia por Matrices de Oligonucleótidos , Antígeno Prostático Específico/sangre , Neoplasias de la Próstata/sangre , Neoplasias de la Próstata/genética , Neoplasias de la Próstata/patología , Riesgo , RumaníaRESUMEN
Two familial forms of colorectal cancer (CRC), Lynch syndrome (LS) and familial adenomatous polyposis (FAP), are caused by rare mutations in DNA mismatch repair genes (MLH1, MSH2, MSH6, PMS2) and the genes APC and MUTYH, respectively. No information is available on the presence of high-risk CRC mutations in the Romanian population. We performed whole-genome sequencing of 61 Romanian CRC cases with a family history of cancer and/or early onset of disease, focusing the analysis on candidate variants in the LS and FAP genes. The frequencies of all candidate variants were assessed in a cohort of 688 CRC cases and 4567 controls. Immunohistochemical (IHC) staining for MLH1, MSH2, MSH6, and PMS2 was performed on tumour tissue. We identified 11 candidate variants in 11 cases; six variants in MLH1, one in MSH6, one in PMS2, and three in APC. Combining information on the predicted impact of the variants on the proteins, IHC results and previous reports, we found three novel pathogenic variants (MLH1:p.Lys84ThrfsTer4, MLH1:p.Ala586CysfsTer7, PMS2:p.Arg211ThrfsTer38), and two novel variants that are unlikely to be pathogenic. Also, we confirmed three previously published pathogenic LS variants and suggest to reclassify a previously reported variant of uncertain significance to pathogenic (MLH1:c.1559-1G>C).
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Poliposis Adenomatosa del Colon/genética , Neoplasias Colorrectales Hereditarias sin Poliposis/genética , Reparación de la Incompatibilidad de ADN/genética , Predisposición Genética a la Enfermedad , Poliposis Adenomatosa del Colon/epidemiología , Poliposis Adenomatosa del Colon/patología , Adulto , Anciano , Neoplasias Colorrectales Hereditarias sin Poliposis/epidemiología , Neoplasias Colorrectales Hereditarias sin Poliposis/patología , ADN Glicosilasas/genética , Metilación de ADN/genética , Proteínas de Unión al ADN/genética , Femenino , Humanos , Masculino , Persona de Mediana Edad , Endonucleasa PMS2 de Reparación del Emparejamiento Incorrecto/genética , Homólogo 1 de la Proteína MutL/genética , Proteína 2 Homóloga a MutS/genética , Mutación , Factores de Riesgo , Rumanía/epidemiologíaAsunto(s)
Holoprosencefalia/diagnóstico , Homocigoto , Adulto , Cara/anomalías , Cara/fisiopatología , Femenino , Holoprosencefalia/fisiopatología , Humanos , EmbarazoRESUMEN
Fabry disease (FD) is an X-linked rare disorder caused by mutations in the GLA gene. Women with FD have been less enrolled in studies and less treated compared with men. The aim of the present study is to describe the complete phenotype of the women cohort with FD diagnosed and evaluated in Romania and compare it to the male population. This study included all consecutive patients diagnosed with FD referred to the Expert Center for Rare Genetic Cardiovascular Diseases between 2014-2023 which included 73 consecutive Romanian FD patients: 41 women (56.2%) and 32 men (43.8%) from 33 unrelated families. Women with FD were diagnosed later and had a later symptom onset. Comparing with men, women were less often symptomatic, but with similar symptom severity. They had similar ophthalmologic and ENT involvement, but less angiokeratomas. Both women and men had similar heart failure symptoms, which were usually mild to moderate, with no difference between the age of developing of the heart failure symptoms. There were also similar rates of acroparesthesia and stroke between sexes, but women presented less renal involvement, with less requirement for renal transplant. This study demonstrates that women with Fabry disease are not just carriers of the disease, they can present symptoms as severe as men, and they have less or later access to pathogenic therapy. Further studies with more female participations are needed to better understand the burden of Fabry disease in women.
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Human chorionic gonadotropin (hCG) is produced by the placenta and its roles have been studied for over a century, being the first known pregnancy-related protein. Although its main role is to stimulate the production of progesterone by corpus luteal cells, hCG does not represent just one biologically active molecule, but a group of at least five variants, produced by different cells and each with different functions. The hyperglycosylated variant of hCG (H-hCG) plays a key role in trophoblast invasion, placental development and fetal growth. During trophoblast invasion, H-hCG promotes extravillous cytotrophoblast cells to infiltrate the decidua, and also to colonize and remodel the spiral arteries in to low resistance, larger-diameter vessels. As fetal growth is heavily reliant on nutrient availability, impaired trophoblast invasion and remodeling of the uterine arteries, leads to a defective perfusion of the placenta and fetal growth restriction. Understanding the function of H-hCG in the evolution of the placenta might unveil new ways to manage and treat fetal growth restriction.
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Gonadotropina Coriónica , Retardo del Crecimiento Fetal , Placenta , Trofoblastos , Femenino , Humanos , Embarazo , Gonadotropina Coriónica/metabolismo , Retardo del Crecimiento Fetal/metabolismo , Placenta/metabolismo , Placentación/fisiología , Trofoblastos/metabolismoRESUMEN
During pregnancy, hormonal and immune adaptations are vital for supporting the genetically distinct fetus during elevated infection risks. The global prevalence of HPV necessitates its consideration during pregnancy. Despite a seemingly mild immune response, historical gestational viral infections underscore its significance. Acknowledging the established HPV infection risks during pregnancy, our review explores the unfolding immunological changes in pregnant women with HPV. Our analysis aims to uncover strategies for safely modulating the immune system, mitigating adverse pregnancy consequences, and enhancing maternal and child health. This comprehensive narrative review delves into the existing knowledge and studies on this topic.
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Infecciones por Papillomavirus , Complicaciones Infecciosas del Embarazo , Virosis , Niño , Embarazo , Femenino , Humanos , Infecciones por Papillomavirus/epidemiología , Papillomaviridae/genéticaRESUMEN
The Homologous Recombination Deficiency (HRD) Score, determined by evaluating genomic instability through the assessment of loss of heterozygosity (LOH), telomeric allelic imbalance (TAI), and large-scale state transitions (LST), serves as a crucial biomarker for identifying patients who might benefit from targeted therapies, such as PARP inhibitors (PARPi). This study aimed to investigate the efficacy of HRD testing in high-grade serous ovarian carcinoma, tubal, and peritoneal cancer patients who are negative for somatic BRCA1 and BRCA2 mutations and to evaluate the impact of HRD status on Bevacizumab and PARPi therapy response. A cohort of 100 Romanian female patients, aged 42-77, was initially selected. Among them, 30 patients had unsuitable samples for HRD testing due to insufficient tumor content or DNA integrity. Using the OncoScan C.N.V. platform, HRD testing was successfully performed on the remaining 70 patients, with 20 testing negative and 50 testing positive for HRD. Among the HRD-positive patients, 35 were eligible for and benefited from PARPi maintenance therapy, resulting in a median progression-free survival (PFS) increase from 4 months to 8.2 months. Our findings support the importance of HRD testing in ovarian cancer patients, demonstrating the potential therapeutic advantage of PARPi therapy in HRD-positive patients without somatic BRCA1/2 mutations.
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PRKAG2 syndrome (PS) is a rare, early-onset autosomal dominant phenocopy of sarcomeric hypertrophic cardiomyopathy (HCM), that mainly presents with ventricular pre-excitation, cardiac hypertrophy and progressive conduction system degeneration. Its natural course, treatment and prognosis are significantly different from sarcomeric HCM. The clinical phenotypes of PRKAG2 syndrome often overlap with HCM due to sarcomere protein mutations, causing this condition to be frequently misdiagnosed. The syndrome is caused by mutations in the gene encoding for the γ2 regulatory subunit (PRKAG2) of 5' Adenosine Monophosphate-Activated Protein Kinase (AMPK), an enzyme that modulates glucose uptake and glycolysis. PRKAG2 mutations (OMIM#602743) are responsible for structural changes of AMPK, leading to an impaired myocyte glucidic uptake, and finally causing storage cardiomyopathy. We describe the clinical and investigative findings in a family with several affected members (NM_016203.4:c.905G>A or p.(Arg302Gln), heterozygous), highlighting the various phenotypes even in the same family, and the utility of genetic testing in diagnosing PS. The particularity of this family case is represented by the fact that the index patient was diagnosed at age 16 with cardiac hypertrophy and ventricular pre-excitation while his mother, by age 42, only had Wolff−Parkinson−White syndrome, without left ventricle hypertrophy. Both the grandmother and the great-grandmother underwent pacemaker implantation at a young age because of conduction abnormalities. Making the distinction between PS and sarcomeric HCM is actionable, given the early-onset of the disease, the numerous life-threatening consequences and the high rate of conduction disorders. In patients who exhibit cardiac hypertrophy coexisting with ventricular pre-excitation, genetic screening for PRKAG2 mutations should be considered.
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Twin pregnancy contributes to perinatal mortality, particularly monochorionic diamniotic twin pregnancy. Placental abnormalities are much more common in twin pregnancies than in singletons. In MCDA pregnancy, vascular anastomoses are always present and are accountable for severe complications such as Twin-to-Twin transfusion syndrome (TTTS). In TTTS, umbilical cords are usually inserted at a distance from each other. We present a rare type of MCDA pregnancy, TTTS gr 1 case with bordering umbilical cord insertions.
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Ovarian cancer is one of the most common causes of death in women as survival is highly dependent on the stage of the disease. Ovarian cancer is typically diagnosed in the late stage due to the fact that in the early phases is mostly asymptomatic. Genomic instability is one of the hallmarks of ovarian cancer. While ovarian cancer is stratified into different clinical subtypes, there still exists extensive genetic and progressive diversity within each subtype. Early detection of the disorder is one of the most important steps that facilitate a favorable prognosis and a good response to medical therapy for the patients. In targeted therapies, individual patients are treated by agents targeting the changes in tumor cells that help them grow, divide and spread. Currently, in gynecological malignancies, potential therapeutic targets include tumor-intrinsic signaling pathways, angiogenesis, homologous-recombination deficiency, hormone receptors, and immunologic factors. Ovarian cancer is usually diagnosed in the final stages, partially due to the absence of an effective screening strategy, although, over the times, numerous biomarkers have been studied and used to assess the status, progression, and efficacy of the drug therapy in this type of disorder.
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Background/Aim: The aim of the study was to report the case of a 5-month-old boy with a complex prenatal and neonatal symptomatology diagnosed with a "de novo" pathogenic variant of PUF60 gene. Case Report: Our hospital, undertook the antenatal and postnatal care of a 27-year-old pregnant lady. This was her second baby with a previously healthy boy. During her routine first-trimester anomaly scan, increased nuchal translucency was noticed. Multiple anomalies were seen throughout her subsequent antenatal visits. This triggered a sequence of tests, examinations and differential diagnosis. The final diagnosis was made at 5 months postpartum following the result of the whole exome sequence, which described a variant of unknown clinical significance (VUS, class 3 variant) in the PUF60 gene. We are mindful that changing the classification of a variant of unknown significance is challenging and requires supporting and robust criteria. Considering clinical symptomatology produced by the pathogenic mutation in the PUF gene, the identified c.1640A>G variant may be categorized as likely pathogenic. Conclusion: Our case adds new insights on the pathology and the underlying process involved in the PUF60 variant spectrum disorders. It also highlights the limits of current prenatal tests.
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BACKGROUND AND AIMS: Gilbert syndrome (GS) is characterized by unconjugated hyperbilirubinemia without liver disease or overt hemolysis and it is found in 3-10% of the general population. Inherited hyperbilirubinaemia is attributable to a reduced UGT1A1 activity. The UGT1A1 promoter (TA) repeats variants are documented of being involved in abnormally elevated bilirubin levels. The aim of the present study is to analyze the impact of UGT1A1 promoter variants on bilirubin levels in Romanian patients clinically supected with GS. METHODS: The study group included 897 subjects: 292 GS patients and 605 healthy controls. Genomic DNA was extracted from the peripheral blood leukocytes. All individuals were screened for the presence of the (TA) insertion in the TATA box region of UGT1A1 gene by PCR amplification. This case-control study was conducted at the Department of Medical Genetics, Synevo, Romania. RESULTS: UGT1A1*28 (7TA) revealed the highest frequency (61.87%) of all individuals, while the UGT1A1*1 (6TA) allele was found in 36.79%. We identified two other variants of the UGT1A1 gene, depending on the number of TA repeats in the promoter: 5TA (0.61%) and 8TA (0.72%). The (TA)7/7 homozygous genotype was identified in 32.33% of all individuals, while the (TA)6/7 heterozygous genotype was the most prevalent (57.64%). The wild type (TA)6/6 was identified in 7.36% of the whole cohort. CONCLUSIONS: Because other polymorphisms have been associated with GS, the absence of the UGT1A1*28 allele does not rule out this condition. The results suggest that in the Romanian population there is a strong correlation between the UGT1A1*28 polymorphism and hyperbilirubinemia in patients with GS.
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Enfermedad de Gilbert/genética , Glucuronosiltransferasa/genética , Polimorfismo Genético , Adolescente , Adulto , Distribución por Edad , Anciano , Estudios de Casos y Controles , Niño , Preescolar , Femenino , Frecuencia de los Genes , Genotipo , Humanos , Lactante , Masculino , Persona de Mediana Edad , Regiones Promotoras Genéticas/genética , RumaníaRESUMEN
The aim of this study is to examine a large dataset of single nucleotide polymorphism known to be associated with prostate cancer from previous genome-wide association studies and create a dataset of single nucleotide polymorphisms that can be used in replication studies for the Romanian population. This study will define a list of markers showing a significant association with this phenotype. We propose the results of this study as a starting point for any Romanian genome-wide association studies researching the genetic susceptibility for prostate cancer.
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Sitios Genéticos , Predisposición Genética a la Enfermedad , Estudio de Asociación del Genoma Completo , Neoplasias de la Próstata/genética , Humanos , Masculino , Polimorfismo de Nucleótido Simple/genética , RumaníaRESUMEN
BACKGROUND: The discovery of circulating fetal DNA in maternal blood led to the discovery of new strategies to perform noninvasive testing for prenatal diagnosis. OBJECTIVE: The purpose of the study was to detect fetal aneuploidy at chromosomes 13, 18, 21, X, and Y by analysis of fetal cell-free DNA from maternal blood, without endangering pregnancy. MATERIALS AND METHODS: This retrospective study has been performed in Bucharest at Medlife Maternal and Fetal Medicine Department between 2013-2014. In total 201 women were offered noninvasive prenatal test. Maternal plasma samples were collected from women at greater than 9 weeks of gestation after informed consent and genetics counseling. RESULTS: From 201 patients; 28 (13.93%) had screening test with high risk for trisomy 21, 116 (57.71%) had advanced maternal age, 1 (0.49%) had second trimester ultrasound markers and the remaining 56 patients (27.86%) performed the test on request. Of those patients, 189 (94.02%) had a "low risk" result (<1/10,000). Of those who had a low risk result, 2 continued on to have amniocentesis with normal results.Five patients (2.48%) received "high risk" results (>99% risk) all for trisomy 21 (T21). T21 was confirmed by amniocentesis in 1 patient and the other 4 patients declined confirmation. The 7 remaining patients (3.48%) had a low fetal fraction of DNA. CONCLUSION: It is probably that prenatal diagnosis using fetal DNA in maternal blood would play an increasingly role in the future practice of prenatal testing because of high accuracy.
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BACKGROUND: Approximately 10-14% of the clinically acknowledged pregnancies end with spontaneous abortion at Caucasian population. Possible immunologic causes of recurrent miscarriages have been extensively researched. The change in the cytokines balance synthesis in favor of those synthesized by Th2 cells with an increase of interleukin 6 (IL6) and interleukin10 (IL10) secretion is considered essential for maintaining a normal pregnancy. OBJECTIVE: The study objective was to establish an association between interleukin 6 and 10 genes polymorphisms and etiology of recurrent pregnancy loss. MATERIALS AND METHODS: The genetic polymorphism of interleukin 6 and 10 genes were studied by PCR-RFLP in the DNA of 69 women with recurrent pregnancy loss and 64 control women with at least one successful pregnancy and without known pregnancy loss. Statistical analysis was performed using Fisher test and differences were considered statistically significant with a p<0.05. RESULTS: Our results demonstrated a role for -819 C/T but not for -592 C/A IL10, -1082 A/G IL10 and -174G/C IL6 polymorphisms in idiopathic recurrent spontaneous abortion (RSA) in Romanian population. Frequency of genotype -592 CC/-819 CC was higher in the control group than in experimental group (p=0.005). In contrast, genotype -592 AC/-819 CT was more frequent in the experimental group (p=0.05). In this study we have not detected genotype -174 C/C in IL6 gene in patients with spontaneous abortions, nor in the control group. CONCLUSION: This study demonstrated a possible association between IL-10 -819 C/T promoter polymorphism and idiopathic RSA among Romanian patients.