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https://www.readbyqxmd.com/read/28428948/understanding-the-entanglement-neutrophil-extracellular-traps-nets-in-cystic-fibrosis
#1
REVIEW
Saira R Martínez-Alemán, Lizbeth Campos-García, José P Palma-Nicolas, Romel Hernández-Bello, Gloria M González, Alejandro Sánchez-González
Cystic fibrosis (CF) is an autosomal recessive disorder caused by mutations in the gene that codes for the CF trans-membrane conductance regulator. These mutations result in abnormal secretions viscous airways of the lungs, favoring pulmonary infection and inflammation in the middle of neutrophil recruitment. Recently it was described that neutrophils can contribute with disease pathology by extruding large amounts of nuclear material through a mechanism of cell death known as Neutrophil Extracellular Traps (NETs) into the airways of patients with CF...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28428943/pathogenic-variant-in-nlrp7-19q13-42-associated-with-recurrent-gestational-trophoblastic-disease-data-from-early-embryo-development-observed-during-in-vitro-fertilization
#2
E Scott Sills, Alexandra J Obregon-Tito, Harry Gao, Thomas K McWilliams, Anthony T Gordon, Catharine A Adams, Rima Slim
OBJECTIVE: To describe in vitro development of human embryos derived from an individual with a homozygous pathogenic variant in NLRP7 (19q13.42) and recurrent hydatidiform mole (HM), an autosomal recessive condition thought to occur secondary to an oocyte defect. METHODS: A patient with five consecutive HM pregnancies was genomically evaluated via next generation sequencing followed by controlled ovarian hyperstimulation, in vitro fertilization (IVF) with intracytoplasmic sperm injection, embryo culture, and preimplantation genetic screening...
March 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28427477/plasma-chitotriosidase-activity-versus-ccl18-level-for-assessing-type-i-gaucher-disease-severity-protocol-for-a-systematic-review-with-meta-analysis-of-individual-participant-data
#3
Tatiana Raskovalova, Patrick B Deegan, Ruby Yang, Elena Pavlova, Jérome Stirnemann, José Labarère, Ari Zimran, Pramod K Mistry, Marc Berger
BACKGROUND: Gaucher disease (GD) is an autosomal recessive lysosomal storage disorder caused by deficiency in acid beta-glucosidase. GD exhibits a wide clinical spectrum of disease severity with an unpredictable natural course. Plasma chitotriosidase activity and CC chemokine ligand 18 (CCL18) have been exchangeably used for monitoring GD activity and response to enzyme replacement therapy in conjunction with clinical assessment. Yet, a large-scale head-to-head comparison of these two biomarkers is currently lacking...
April 20, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28427052/glucosylceramide-critically-contributes-to-the-host-defense-of-cystic-fibrosis-lungs
#4
Barbara Kovacic, Carolin Sehl, Barbara Wilker, Markus Kamler, Katrin Anne Becker, Erich Gulbins
BACKGROUND: Cystic fibrosis (CF) is the most common autosomal-recessive disorder in western countries. Previous studies have demonstrated an important role of sphingolipids in the pathophysiology of cystic fibrosis. It has been shown that ceramide has a central role in various pulmonary infections, including those with Pseudomonas aeruginosa (P. aeruginosa). Ceramide is accumulated in the airways of CF mice and patients. However, little is known about a potential role of glucosylceramide in cystic fibrosis...
March 6, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28425690/what-s-new-with-common-genetic-skin-disorders
#5
Janice E Ma, Jennifer L Hand
Familiar genetic disorders such as neurofibromatosis type I (NF1), tuberous sclerosis complex (TSC), oculocutaneous albinism (OCA), basal cell nevus syndrome (BCNS), incontinentia pigmenti, ichthyosis, and epidermolysis bullosa (EB) have prominent, cutaneous manifestations. This review describes recent advances in knowledge concerning the pathophysiology, diagnosis, and treatment of these skin features. Specifically, clinical diagnostic criteria for incontinentia pigmenti, ichthyosis, and tuberous sclerosis have been updated...
April 20, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28425581/clinical-biochemical-and-genetic-features-of-41-han-chinese-families-with-primary-hypertrophic-osteoarthropathy-and-their-therapeutic-response-to-etoricoxib-results-from-a-6-months-prospective-clinical-intervention
#6
Shan-Shan Li, Jin-We He, Wen-Zhen Fu, Yu-Juan Liu, Yun-Qiu Hu, Zhen-Lin Zhang
Primary hypertrophic osteoarthropathy (PHO) is a rare inherited disease caused by genetic defects in prostaglandin metabolism pathway; disturbed prostaglandin E2 (PGE2 ) catabolism resulting in increased PGE2 levels is suggested in the pathogenesis. Forty-three Han Chinese patients with PHO were studied and 41 of them were treated. Mutations in HPGD gene, causing hypertrophic osteoarthropathy, primary, autosomal recessive 1 (PHOAR1; OMIM 259100), were identified in 7 patients, and mutations in SLCO2A1 gene, causing hypertrophic osteoarthropathy, primary, autosomal recessive 2 (PHOAR2; OMIM 614441), were identified in 36 patients...
April 20, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28425259/analysis-of-fancc-gene-mutations-ivs4-4a-t-del322g-and-r548x-in-patients-with-fanconi-anemia-in-pakistan
#7
Iram Aftab, Saima Iram, Saba Khaliq, Muhammad Israr, Nadir Ali, Shah Jahan, Shabbir Hussain, Shagufta Khaliq, Shahida Mohsin
BACKGROUND/AIM: Fanconi anemia (FA) is an autosomal recessive disease determined by mutations in at least 16 genes, with distinct distributions in different populations. To the best of our knowledge, there are no reports regarding the molecular basis of the disease in FA patients in Pakistan. The current study aimed to determine the frequency of FANCC gene mutations, i.e. IVS4+4A>T, del322G, and R548X, in FA patients. MATERIALS AND METHODS: Genomic DNA was obtained from 36 FA patients...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28425126/novel-sequence-variants-in-the-liph-and-lpar6-genes-underlies-autosomal-recessive-woolly-hair-hypotrichosis-in-consanguineous-families
#8
Farooq Ahmad, Salma Sharif, Muhammad Furqan Ubaid, Khadim Shah, Muhammad Nasim Khan, Muhammad Umair, Zahid Azeem, Wasim Ahmad
Autosomal-recessive woolly hair/hypotrichosis (ARWH/H) is a rare genetic disorder of hair caused by variants in the LIPH and LPAR6 genes. The disease is characterized by congenital tightly curled hair leading to sparse hair later in life. In the present report genetic characterization of three consanguineous families of Pakistani origin, displaying clinical features of ARWH/H, was performed. Haplotype and DNA sequence analysis of the LIPH gene revealed a novel homozygous nonsense variant (c.688C > T; p...
April 19, 2017: Congenital Anomalies
https://www.readbyqxmd.com/read/28425073/molecular-therapy-of-primary-hyperoxaluria
#9
Cristina Martin-Higueras, Armando Torres, Eduardo Salido
During the last few decades, the molecular understanding of the mechanisms involved in primary hyperoxalurias (PHs) has set the stage for novel therapeutic approaches. The availability of PH mouse models has facilitated preclinical studies testing innovative treatments. PHs are autosomal recessive diseases where the enzymatic deficit plays a central pathogenic role. Thus, molecular therapies aimed at restoring such deficit or limiting the consequences of the metabolic derangement could be envisioned, keeping in mind the specific challenges posed by the cell-autonomous nature of the deficiency...
April 19, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28424751/levodopa-responsive-parkinsonism-in-patients-with-hemochromatosis-case-presentation-and-literature-review
#10
Tarun Girotra, Abhimanyu Mahajan, Christos Sidiropoulos
Hemochromatosis is an autosomal recessive disorder which leads to abnormal iron deposition in the parenchyma of multiple organs causing tissue damage. Accumulation of iron in the brain has been postulated to be associated with several neurodegenerative diseases including Parkinson's disease. The excess iron promotes Parkin and α-synuclein aggregation in the neurons. Excess iron has also been noted in substantia nigra on MRI especially using susceptibility weighted imaging in patients with Parkinson's disease...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28424304/giant-axonal-neuropathy-alters-the-structure-of-keratin-intermediate-filaments-in-human-hair
#11
Asfia Soomro, Richard J Alsop, Atsuko Negishi, Laurent Kreplak, Douglas Fudge, Edward R Kuczmarski, Robert D Goldman, Maikel C Rheinstädter
Giant axonal neuropathy (GAN) follows an autosomal recessive genetic inheritance and impedes the peripheral and central nervous system due to axonal swellings that are packed with neurofilaments. The patients display a number of phenotypes, including hypotonia, muscle weakness, decreased reflexes, ataxia, seizures, intellectual disability, pale skin and often curled hair. We used X-ray diffraction and tensile testing to determine potential changes to the structure of keratin intermediate filaments (IFs) in the hair of patients with GAN...
April 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28424147/treatment-of-leukoencephalopathy-with-calcifications-and-cysts-with-bevacizumab
#12
Alex J Fay, Allison A King, Joshua S Shimony, Yanick J Crow, Jan E Brunstrom-Hernandez
BACKGROUND: Leukoencephalopathy with calcifications and cysts is a rare, autosomal recessive cerebral microangiopathy that causes progressive white matter disease, calcifications, and cysts within the brain. It is typically associated with slowly progressive psychomotor regression, seizures, and movement disorders. Although leukoencephalopathy with calcifications and cysts affects only the central nervous system, it demonstrates remarkable neuropathologic and radiologic overlap with Coats plus, a disorder of small vessels of the brain, eyes, gastrointestinal tract, and bone...
March 23, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28422131/variants-in-cplx1-in-two-families-with-autosomal-recessive-severe-infantile-myoclonic-epilepsy-and-id
#13
Silke Redler, Tim M Strom, Thomas Wieland, Kirsten Cremer, Hartmut Engels, Felix Distelmaier, Jörg Schaper, Alma Küchler, Johannes R Lemke, Stephanie Jeschke, Nicole Schreyer, Heinrich Sticht, Margarete Koch, Hermann-Josef Lüdecke, Dagmar Wieczorek
For a large number of individuals with intellectual disability (ID), the molecular basis of the disorder is still unknown. However, whole-exome sequencing (WES) is providing more and more insights into the genetic landscape of ID. In the present study, we performed trio-based WES in 311 patients with unsolved ID and additional clinical features, and identified homozygous CPLX1 variants in three patients with ID from two unrelated families. All displayed marked developmental delay and migrating myoclonic epilepsy, and one showed a cerebellar cleft in addition...
April 19, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28420619/analysis-of-variants-in-upstream-open-reading-frames-of-human-globin-related-genes
#14
Ye Yuhua, Zhang Qianqian, Zhong Jianmei, Li Yihong, Zhang Li, Yu Qiuxia, Xu Xiangmin
β-thalassemia is an autosomal recessive monogenic disease that is caused by defects in the production of β-like globin chains. Activation of γ-globin gene and the increase in fetal hemoglobin expression have been demonstrated as one of the most important factors to ameliorate the clinical outcome of β-thalassemia patients. In this study, 202 genes or miRNAs associated with human hemoglobin gene expression from 1802 β-thalassemia patients were analyzed with target capture and next generation sequencing strategies in terms of functional variants that might affect hemoglobin gene expression...
March 20, 2017: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/28420223/clinical-and-molecular-characterization-of-patients-with-fructose-1-6-bisphosphatase-deficiency
#15
Niu Li, Guoying Chang, Yufei Xu, Yu Ding, Guoqiang Li, Tingting Yu, Yanrong Qing, Juan Li, Yiping Shen, Jian Wang, Xiumin Wang
Fructose-1,6-bisphosphatase (FBPase) deficiency is a rare, autosomal recessive inherited disease caused by the mutation of the FBP1 gene, the incidence is estimated to be between 1/350,000 and 1/900,000. The symptoms of affected individuals are non-specific and are easily confused with other metabolic disorders. The present study describes the clinical features of four Chinese pediatric patients who presented with hypoglycemia, hyperlactacidemia, metabolic acidosis, and hyperuricemia. Targeted-next generation sequencing using the Agilent SureSelect XT Inherited Disease Panel was used to screen for causal variants in the genome, and the clinically-relevant variants were subsequently verified using Sanger sequencing...
April 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28419563/whole-exome-sequencing-identified-a-novel-single-base-pair-insertion-mutation-in-the-eys-gene-in-a-six-generation-family-with-retinitis-pigmentosa
#16
Jamil Amjad Hashmi, Maan Abdullah Albarry, Ahmed Almatrafi, Alia M Albalawi, Amir Mehmood, Sulman Basit
Retinitis pigmentosa (RP) is a group of inherited progressive retinal dystrophies (RD) and is characterized by photoreceptor degeneration. RP is clinically and genetically heterogeneous disorder. More than 70 genes are known and, thus, identification of causative genes and mutations in known genes is challenging. This study was designed to identify the underlying genetic defect in a large extended Saudi family with multiple RP affected members. Fundus photography, Optical Coherence Tomography (OCT) and visual field perimetry were performed for affected individuals...
April 16, 2017: Congenital Anomalies
https://www.readbyqxmd.com/read/28419508/experience-of-carrier-couples-identified-through-a-population-based-carrier-screening-pilot-program-for-four-founder-autosomal-recessive-diseases-in-saguenay-lac-saint-jean
#17
Jessica Tardif, Annabelle Pratte, Anne-Marie Laberge
A pilot population-based carrier screening program started in 2010 in the Saguenay-Lac-Saint-Jean region of Quebec, Canada for four recessive diseases with local founder effects (tyrosinemia type I, ARSACS, congenital lactic acidosis, and Andermann syndrome). OBJECTIVES: Describe the experience of carrier couples identified through this program. METHODS: Semi-structured interviews were performed with carrier couples. Thematic analysis of interview transcripts was done to identify emerging themes...
April 18, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28418496/homozygosity-mapping-and-genetic-analysis-of-autosomal-recessive-retinal-dystrophies-in-144-consanguineous-pakistani-families
#18
Lin Li, Yabin Chen, Xiaodong Jiao, Chongfei Jin, Dan Jiang, Mukesh Tanwar, Zhiwei Ma, Li Huang, Xiaoyin Ma, Wenmin Sun, Jianjun Chen, Yan Ma, Oussama M'hamdi, Gowthaman Govindarajan, Patricia E Cabrera, Jiali Li, Nikhil Gupta, Muhammad Asif Naeem, Shaheen N Khan, Sheikh Riazuddin, Javed Akram, Radha Ayyagari, Paul A Sieving, S Amer Riazuddin, J Fielding Hejtmancik
Purpose: The Pakistan Punjab population has been a rich source for identifying genes causing or contributing to autosomal recessive retinal degenerations (arRD). This study was carried out to delineate the genetic architecture of arRD in the Pakistani population. Methods: The genetic origin of arRD in a total of 144 families selected only for having consanguineous marriages and multiple members affected with arRD was examined. Of these, causative mutations had been identified in 62 families while only the locus had been identified for an additional 15...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28418495/molecular-genetic-analysis-of-pakistani-families-with-autosomal-recessive-congenital-cataracts-by-homozygosity-screening
#19
Jianjun Chen, Qiwei Wang, Patricia E Cabrera, Zilin Zhong, Wenmin Sun, Xiaodong Jiao, Yabin Chen, Gowthaman Govindarajan, Muhammad Asif Naeem, Shaheen N Khan, Muhammad Hassaan Ali, Muhammad Zaman Assir, Fawad Ur Rahman, Zaheeruddin A Qazi, Sheikh Riazuddin, Javed Akram, S Amer Riazuddin, J Fielding Hejtmancik
Purpose: To identify the genetic origins of autosomal recessive congenital cataracts (arCC) in the Pakistani population. Methods: Based on the hypothesis that most arCC patients in consanguineous families in the Punjab areas of Pakistan should be homozygous for causative mutations, affected individuals were screened for homozygosity of nearby highly informative microsatellite markers and then screened for pathogenic mutations by DNA sequencing. A total of 83 unmapped consanguineous families were screened for mutations in 33 known candidate genes...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28417953/recombinant-adeno-associated-virus-mediated-rescue-of-function-in-a-mouse-model-of-dopamine-transporter-deficiency-syndrome
#20
P Illiano, C E Bass, L Fichera, L Mus, E A Budygin, T D Sotnikova, D Leo, S Espinoza, R R Gainetdinov
Dopamine Transporter Deficiency Syndrome (DTDS) is a rare autosomal recessive disorder caused by loss-of-function mutations in dopamine transporter (DAT) gene, leading to severe neurological disabilities in children and adults. DAT-Knockout (DAT-KO) mouse is currently the best animal model for this syndrome, displaying functional hyperdopaminergia and neurodegenerative phenotype leading to premature death in ~36% of the population. We used DAT-KO mouse as model for DTDS to explore the potential utility of a novel combinatorial adeno-associated viral (AAV) gene therapy by expressing DAT selectively in DA neurons and terminals, resulting in the rescue of aberrant striatal DA dynamics, reversal of characteristic phenotypic and behavioral abnormalities, and prevention of premature death...
April 18, 2017: Scientific Reports
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