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Aquaporin locus (12q13.12) might contribute to susceptibility of temporomandibular joint disorder associated with periodontitis.

水通道蛋白 12q13.12 可能与牙周炎相关的颞下颌关节紊乱病易感性有关。

  • 影响因子:3.02
  • DOI:10.1371/journal.pone.0229245
  • 作者列表:"Bezamat M","Cunha EJ","Modesto AM","Vieira AR","Taboas JM
  • 发表时间:2020-03-04
Abstract

:Aquaporins (AQPs) are membrane channels that provide for transport of water and other small molecules across the lipid bilayer of cells. Their function is essential for physiologic processes such as cell volume regulation, chondrocyte hypertrophy during appendicular skeletal growth, water reabsorption in the kidney tubules, and water excretion by the salivary glands. The ten AQP isoforms show tissue specificity and are involved in different pathologies and inflammatory diseases. This study addresses the hypothesis that arthritis, periodontitis, and temporomandibular joint disorders (TMDs) can be influenced by variation in the AQP genes at 12q13.12 locus. Salivary samples of 688 individuals were obtained from the Dental Registry and DNA Repository project at the University of Pittsburgh. Ten polymorphisms in four AQP genes (AQP1, 2, 5, and 6) were genotyped and correlated to disease status as reported by patients. Associations were found between the single nucleotide polymorphism (SNP) rs467323 in AQP2 and TMD in both genotypic (p = 0.03) and recessive (p = 0.02) models, and between rs1996315 in AQP6 and periodontitis (p = 0.05). Combined analysis of TMD and periodontitis showed an association with rs3741559 in AQP2 (p = 0.02). When conducting haplotype analysis of rs467323 and rs10875989 in AQP2, the haplotype CT showed an association with the TMD phenotype (p = 0.007). Our results suggest that the aquaporin locus at 12q13.12 may contribute to the pathogenesis of inflammatory conditions such as periodontitis and TMD. Thus, oral and skeletal health are correlated and potential susceptibility screening strategies may be developed.

摘要

: 水通道蛋白 (AQPs) 是提供水和其他小分子通过细胞脂质双层转运的膜通道。它们的功能对于细胞体积调节、阑尾骨骼生长过程中的软骨细胞肥大、肾小管中的水重吸收和唾液腺的水排泄等生理过程至关重要。10 种AQP亚型表现出组织特异性,参与不同的病理和炎症性疾病。本研究探讨了关节炎、牙周炎和颞下颌关节紊乱病 (TMDs) 可受 12q13.12 位点AQP基因变异的影响的假说。从匹兹堡大学的牙科登记和DNA储存库项目中获得了 688 例个体的唾液样本。对 4 个AQP基因 (AQP1 、 2 、 5 和 6) 的 10 个多态性进行了基因分型,并与患者报告的疾病状态相关。在基因型 (p = 0.03) 和隐性 (p = 0.02) 模型中发现AQP2 和TMD的单核苷酸多态性 (SNP) rs467323 之间存在关联,而rs1996315 在AQP6 和牙周炎之间 (p = 0.05)。TMD和牙周炎的联合分析显示AQP2 中rs3741559 与相关 (p = 0.02)。当对AQP2 中的rs467323 和rs10875989 进行单体型分析时,单体型CT显示与TMD表型相关 (p = 0.007)。我们的结果表明,12q13.12 的水通道蛋白位点可能有助于牙周炎和TMD等炎症条件的发病。因此,口腔和骨骼健康是相关的,潜在的易感性筛查策略可能被开发。

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METHODS:BACKGROUND:The anterior oronasal fistulae neighboring the alveolar cleft could persist or reappear after the alveolar reconstruction with cancellous bone grafting. The persistent symptomatic anterior oronasal fistulae need to be repaired, but surgery remains a challenge in cleft care. Surprisingly, this issue has rarely been reported in the literature. The purpose of this long-term study was to report a single surgeon experience with a therapeutic protocol for persistent symptomatic anterior oronasal fistula repair. METHODS:This is a retrospective study of consecutive patients with Veau type III and IV clefts and persistent symptomatic anterior oronasal fistulae managed according to a therapeutic protocol from 1997 to 2018. Depending on fistula size, patients were treated with local flaps associated with an interpositional graft or two-stage tongue flaps (small/medium or large fistulae, respectively). The surgical outcomes were classified as "good" (complete fistula closure with no symptoms), "fair" (asymptomatic narrow fistula remained), or "poor" (failure with persistent symptoms). RESULTS:Forty-four patients with persistent symptomatic anterior oronasal fistulae were reconstructed with local flaps associated with interpositional fascia or dermal fat grafting (52.3%) or two-stage tongue flaps (47.7%). Most of patients (93.2%) presented "good" outcomes, ranging from 87% to 100% (local and tongue flaps, respectively). Three (6.8%) patients presented symptomatic residual fistula ("poor" outcomes). CONCLUSIONS:For the repair of persistent symptomatic anterior oronasal fistulae, this therapeutic protocol provided satisfactory outcome with low fistula recurrence rate.

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影响因子:2.49
发表时间:2020-03-01
DOI:10.1136/archdischild-2019-316804
作者列表:["Cleary B","Loane M","Addor MC","Barisic I","de Walle HEK","Matias Dias C","Gatt M","Klungsoyr K","McDonnell B","Neville A","Pierini A","Rissmann A","Tucker DF","Zurriaga O","Dolk H"]

METHODS:OBJECTIVE:Methadone is a vital treatment for women with opioid use disorder in pregnancy. Previous reports suggested an association between methadone exposure and Pierre Robin sequence (PRS), a rare craniofacial anomaly. We assessed the association between gestational methadone exposure and PRS. DESIGN/SETTING:This case-malformed control study used European Surveillance of Congenital Anomalies population-based registries in Ireland, the Netherlands, Italy, Switzerland, Croatia, Malta, Portugal, Germany, Wales, Norway and Spain, 1995-2011. PATIENTS:Cases included PRS based on International Classification of Disease (ICD), Ninth Edition-British Paediatric Association (BPA) code 75 603 or ICD, Tenth Edition-BPA code Q8708. Malformed controls were all non-PRS anomalies, excluding genetic conditions, among live births, fetal deaths from 20 weeks' gestation and terminations of pregnancy for fetal anomalies. An exploratory analysis assessed the association between methadone exposure and other congenital anomalies (CAs) excluding PRS. Methadone exposure was ascertained from medical records and maternal interview. RESULTS:Among 87 979 CA registrations, there were 127 methadone-exposed pregnancies and 336 PRS cases. There was an association between methadone exposure and PRS (OR adjusted for registry 12.3, 95% CI 5.7 to 26.8). In absolute terms, this association reflects a risk increase from approximately 1-12 cases per 10 000 births. A raised OR was found for cleft palate (adjusted OR 5.0, 95% CI 2.7 to 9.2). CONCLUSIONS:These findings suggest that gestational methadone exposure is associated with PRS. The association may be explained by unmeasured confounding factors. The small increased risk of PRS in itself does not alter the risk-benefit balance for gestational methadone use. The association with cleft palate, a more common CA, should be assessed with independent data.

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影响因子:0.73
发表时间:2020-01-01
DOI:10.1097/SCS.0000000000005693
作者列表:["Jahanbin A","Eslami N","Torkamanzadeh N"]

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颌部疾病方向

颌部的疾病,包括颌畸形、颌骨囊肿、颌骨肿瘤等疾病。

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