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Takuya Hirose, Ippei Suzuki, Naoki Takahashi, Toshiyuki Fukada, Prasarn Tangkawattana, Kazushige Takehana
Ehlers-Danlos syndrome (EDS) is a group of hereditary diseases caused by mutation of extracellular matrix-related genes. Recently, spondylodysplastic EDS-Zip13 (spEDS-Zip13: OMIM 612350) was recognized as a new EDS type. This current study could reveal various morphometric differences of collagenous population in the proper substance of cornea between the wild type and spEDS-Zip13-knockout (Zip13-KO) mice. Blockade of Smad-signaling pathway might initiate these alterations. Predilected dissimilarity in level of transcriptional activity probably dictated morphology of keratocyte and shape and electron density of its nucleus...
March 22, 2018: Journal of Veterinary Medical Science
Emily L Casanova, Julia L Sharp, Stephen M Edelson, Desmond P Kelly, Manuel F Casanova
Reports suggest comorbidity between autism spectrum disorder (ASD) and the connective tissue disorder, Ehlers-Danlos syndrome (EDS). People with EDS and the broader spectrum of Generalized Joint Hypermobility (GJH) often present with immune- and endocrine-mediated conditions. Meanwhile, immune/endocrine dysregulation is a popular theme in autism research. We surveyed a group of ASD women with/without GJH to determine differences in immune/endocrine exophenotypes. ASD women 25 years or older were invited to participate in an online survey...
March 17, 2018: Behavioral Sciences
Yanqin Lu, Yanzhou Wang, Frank Rauch, Hu Li, Yao Zhang, Naixiang Zhai, Jian Zhang, Xiuzhi Ren, Jinxiang Han
Osteogenesis imperfecta (OI) and Ehlers-Danlos syndrome (EDS) are rare genetic disorders that are typically inherited in an autosomal dominant manner. Few cases of OI/EDS overlap syndrome have been documented. Described here is a 30-year-old Chinese male with OI type III and EDS. Sequencing of genomic DNA revealed a heterozygous COL1A1 mutation (c.671G>A, p.Gly224Asp) that affected the N-anchor domain of the alpha 1 chain of collagen type I. Ultrastructural analysis of a skin biopsy specimen revealed thin collagen fibers with irregular alignment of collagen fibers...
February 2018: Intractable & Rare Diseases Research
Sanne D'hondt, Brecht Guillemyn, Delfien Syx, Sofie Symoens, Riet De Rycke, Leen Vanhoutte, Wendy Toussaint, Bart N Lambrecht, Anne De Paepe, Douglas R Keene, Yoshihiro Ishikawa, Hans Peter Bächinger, Sophie Janssens, Mathieu J M Bertrand, Fransiska Malfait
Type III collagen is a major fibrillar collagen consisting of three identical α1 (III)-chains that is particularly present in tissues exhibiting elastic properties, such as the skin and the arterial wall. Heterozygous mutations in the COL3A1 gene result in vascular Ehlers-Danlos syndrome (vEDS), a severe, life-threatening disorder, characterized by thin, translucent skin and propensity to arterial, intestinal and uterine rupture. Most human vEDS cases result from a missense mutation substituting a crucial glycine residue in the triple helical domain of the α1 (III)-chains...
March 15, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
Shahram E Mehr, Adrian Barbul, Cyndya A Shibao
Gastrointestinal symptoms are among the most common complaints in patients with postural tachycardia syndrome (POTS). In some cases, they dominate the clinical presentation and cause substantial disabilities, including significant weight loss and malnutrition, that require the use of invasive treatment to support caloric intake. Multiple cross-sectional studies have reported a high prevalence of gastrointestinal symptoms in POTS patients with connective tissue diseases, such as Ehlers-Danlos, hypermobile type, and in patients with evidence of autonomic neuropathy...
March 16, 2018: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
Yukiko Kuroda, Ikuko Ohashi, Takuya Naruto, Kazumi Ida, Yumi Enomoto, Toshiyuki Saito, Jun-Ichi Nagai, Kenji Kurosawa
Ehlers-Danlos syndrome classical type (cEDS) is a connective tissue disorder characterized by skin hyperextensibility, atrophic scarring, and joint hypermobility. The condition typically results from mutations in COL5A1 or COL5A2 leading to the functional haploinsufficiency. Here, we report of a 24-year-old male with mild intellectual disability, dysmorphic features, and a phenotype consistent with cEDS. A copy number variant-calling algorithm from panel sequencing data identified the deletions exons 2-11 and duplications of exons 12-67 within COL5A1...
March 9, 2018: Congenital Anomalies
Maria Roma, Colleen L Marden, Inge De Wandele, Clair A Francomano, Peter C Rowe
OBJECTIVE: To review the association between orthostatic intolerance syndromes and both joint hypermobility and Ehlers-Danlos syndrome, and to propose reasons for identifying hereditary connective tissue disorders in those with orthostatic intolerance in the context of both clinical care and research. METHODS: We searched the published peer-reviewed medical literature for papers reporting an association between joint hypermobility or Ehlers-Danlos syndrome and orthostatic intolerance...
March 5, 2018: Autonomic Neuroscience: Basic & Clinical
S Daens, D Grossin, T Hermanns-Lê, D Peeters, D Manicourt
We report the history of a 15-year old patient with a hypermobile Ehlers-Danlos syndrome (hEDS) (his mother, his two brothers and his sister have the same phenotype as him). He suffers mainly from a severe mast cell activation syndrome (MCAS) with an overreaction of the skin to any kind of contact (water of the shower, clothes, bed sheets) but he has also fatigue, headaches, and rash. This impressive rash is exacerbated after the shower and he has the urge to rest («shower's sign»). We describe the MCAS and its easy, fast and very effective medication management, without any significant side effects as well as its frequent association with the hEDS...
February 2018: Revue Médicale de Liège
Amal Nishantha Vadysinghe, Chatula Usari Wickramashinghe, Dineshi Nadira Nanayakkara, Chandishni Ishara Kaluarachchi
Child abuse is a sensitive topic among many medical practitioners and the diagnosis of this entity requires awareness about conditions which can mimic physical child abuse. Here, the authors present a case of a 13-year-old school non-attendee who was referred due to multiple scars, over areas prone to accidental as well as non-accidental injury, who underwent medicolegal examination due to suspicion of physical child abuse. On further inquiry, it was discovered that she had easy bruising and poor wound healing...
January 2018: Autopsy & Case Reports
Kelli L Hicks, Peter H Byers, Elina Quiroga, Melanie G Pepin, Sherene Shalhub
OBJECTIVE: The contemporary practice of testing for genetically triggered aortic and arterial aneurysms and dissections is not well described. This study aimed to describe this practice at a tertiary care academic center and to ascertain the yield of testing in establishing the diagnosis in patients referred on the basis of clinical suspicion. METHODS: This is a retrospective cohort study of patients referred for vascular genetic testing at an academic medical center between 2010 and 2015...
March 3, 2018: Journal of Vascular Surgery
Francesca Cortini, Chiara Villa
The Ehlers-Danlos syndromes (EDS) comprise a clinically and genetically heterogeneous group of heritable connective tissue disorders (HCTDs), characterised by joint hypermobility, hyperextensibility of the skin and tissue fragility that can induce symptoms from multiple organ systems. The latest EDS nosology distinguished thirteen subtypes with an overlap of phenotypic features, making the clinical diagnosis rather difficult and highlighting the importance of molecular diagnostic confirmation. Although the nervous system is not considered a primary target of the underlying molecular defect, recently, increasing attention has been focused on neurological manifestations of EDS...
February 27, 2018: Seizure: the Journal of the British Epilepsy Association
Carolina Baeza-Velasco, Caroline Bourdon, Lucile Montalescot, Cécile de Cazotte, Guillem Pailhez, Antonio Bulbena, Claude Hamonet
Despite the frequent co-ocurrence of hypermobile Ehler-Danlos syndrome (hEDS) and pathological anxiety, little is known about the psychosocial and health implications of such comorbidity. Our aim was to explore the association between high levels of anxiety and psychosocial (catastrophizing, kinesiophobia, somatosensory amplification, social support and functioning), health (pain, fatigue, BMI, tobacco/alcohol use, depression, diagnosis delay, general health), and sociodemographic factors in people with hEDS...
March 1, 2018: Rheumatology International
John E Mitakides
No abstract text is available yet for this article.
March 2018: Cranio: the Journal of Craniomandibular Practice
Andrew J Kobets, Daniel Komlos, John K Houten
BACKGROUND: Ehler-Danlos syndome (EDS) refers to a group of heritable connective tissue disorders; rare manifestations of which are cervical kyphosis and clinical myelopathy. Surgical treatment is described for the deformity in the thoracolumbar spine in adolescents but not for infantile cervical spine. Internal fixation for deformity correction in the infantile cervical spine is challenging due to the diminutive size of the bony anatomy and the lack of spinal instrumentation specifically designed for young children...
February 15, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Daisuke Ieda, Ikumi Hori, Yuji Nakamura, Hironori Ohshita, Yutaka Negishi, Tsutomu Shinohara, Ayako Hattori, Takenori Kato, Sachiko Inukai, Katsumasa Kitamura, Tomoki Kawai, Osamu Ohara, Shinji Kunishima, Shinji Saitoh
INTRODUCTION: Filamin A (FLNA) is located in Xq28, and encodes the actin binding protein, filamin A. A mutation in FLNA is the most common cause of periventricular nodular heterotopia (PVNH), but a clear phenotype-genotype correlation has not been established. Indeed, some patients with a FLNA mutation have recently been shown to additionally have Ehlers-Danlos-like collagenopathy or macrothrombocytopenia. In an attempt to establish a clearer correlation between clinical symptoms and genotype, we have investigated a phenotype that involves thrombocytopenia in a patient with a truncation of the FLNA gene...
February 12, 2018: Brain & Development
Carolina Baeza-Velasco, Lorenzo Sinibaldi, Marco Castori
Attention-deficit/hyperactivity disorder (ADHD) and generalized joint hypermobility (JH) are two separated conditions, assessed, and managed by different specialists without overlapping interests. Recently, some researchers highlighted an unexpected association between these two clinical entities. This happens in a scenario of increasing awareness on the protean detrimental effects that congenital anomalies of the connective tissue may have on human health and development. To review pertinent literature to identify possible connections between ADHD and GJH, special emphasis was put on musculoskeletal pain and syndromic presentations of GJH, particularly the hypermobile Ehlers-Danlos syndrome...
February 14, 2018: Attention Deficit and Hyperactivity Disorders
Bing Q Chiu, Edmund Tsui, Syed Amal Hussnain, Irene A Barbazetto, R Theodore Smith
PURPOSE: To report multimodal imaging in a novel case of angioid streaks in a patient with Turner syndrome with 10-year follow-up. METHODS: Case report of a patient with Turner syndrome and angioid streaks followed at Bellevue Hospital Eye Clinic from 2007 to 2017. Fundus photography, fluorescein angiography, and optical coherence tomography angiography were obtained. RESULTS: Angioid streaks with choroidal neovascularization were noted in this patient with Turner syndrome without other systemic conditions previously correlated with angioid streaks...
February 13, 2018: Retinal Cases & Brief Reports
A Ben-Mahmoud, S Ben-Salem, M Al-Sorkhy, A John, B R Ali, L Al-Gazali
Al-Gazali syndrome encompasses several clinical features including prenatal growth retardation, large joints contractures with camptodactyly, bilateral talipes equinovarus, small mouth, anterior segment anomalies of the eyes, and early lethality. Recently, a baby with features very similar to Al-Gazali syndrome was found to have compound heterozygous variants in B3GALT6. This gene encodes Beta-1,3-galactosyltransferase 6 (β3GalT6), an essential component of the glycosaminoglycan synthesis pathway. Pathogenic variants in B3GALT6 have also been shown to cause Ehlers-Danlos syndrome spondylodysplastic type (spEDS-B3GALT6) and spondylo-epimetaphyseal dysplasia with joint laxity type I (SEMD-JL1)...
February 14, 2018: Clinical Genetics
Christian Dippmann, Otto Kraemer, Bent Lund, Michael Krogsgaard, Per Hölmich, Martin Lind, Karen Briggs, Marc Philippon, Bjarne Mygind-Klavsen
INTRODUCTION: Hip arthroscopy has become a standard procedure in the treatment of hip joint pain not related to osteoarthritis or dysplasia in the young and active patient. There has been increasing focus on the contribution of the hip capsule to function and on stability following hip arthroscopy. It has been suggested that capsular closure after hip arthroscopy may prevent microinstability and macroinstability of the hip joint and reduce revision rate. However, it remains unknown whether capsular closure should be performed as a standard procedure when performing hip arthroscopies, especially in patients without additional risk factors for instability such as hypermobility or dysplasia of the hip...
February 10, 2018: BMJ Open
Youichi Ogawa, Manao Kinoshita, Shinji Shimada, Tatsuyoshi Kawamura
The skin is the third most zinc (Zn)-abundant tissue in the body. The skin consists of the epidermis, dermis, and subcutaneous tissue, and each fraction is composed of various types of cells. Firstly, we review the physiological functions of Zn and Zn transporters in these cells. Several human disorders accompanied with skin manifestations are caused by mutations or dysregulation in Zn transporters; acrodermatitis enteropathica (Zrt-, Irt-like protein (ZIP)4 in the intestinal epithelium and possibly epidermal basal keratinocytes), the spondylocheiro dysplastic form of Ehlers-Danlos syndrome (ZIP13 in the dermal fibroblasts), transient neonatal Zn deficiency (Zn transporter (ZnT)2 in the secretory vesicles of mammary glands), and epidermodysplasia verruciformis (ZnT1 in the epidermal keratinocytes)...
February 11, 2018: Nutrients
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