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https://www.readbyqxmd.com/read/28734808/-congenital-cytomegalovirus-infection-manifesting-as-neonatal-respiratory-distress-in-an-hiv-exposed-uninfected-newborn
#1
A Pham, H El Mjati, N Nathan, F Kieffer, D Mitanchez
BACKGROUND: Cytomegalovirus (CMV) is one of the most common intrauterine infections, affecting approximately 1% of all live births. There are few reports on congenital CMV infections manifesting as isolated pneumonitis. CASE REPORT: We report a case of congenital CMV with neonatal respiratory distress affecting an HIV-exposed uninfected infant. This infant required noninvasive ventilation beginning within the first 15min of life. The initial chest X-ray showed diffuse bilateral ground-glass opacifications...
July 19, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28721683/mesenchymal-stem-progenitor-cells-derived-from-articular-cartilage-synovial-membrane-and-synovial-fluid-for-cartilage-regeneration-current-status-and-future-perspectives
#2
REVIEW
Yi-Zhou Huang, Hui-Qi Xie, Antonietta Silini, Ornella Parolini, Yi Zhang, Li Deng, Yong-Can Huang
Large articular cartilage defects remain an immense challenge in the field of regenerative medicine because of their poor intrinsic repair capacity. Currently, the available medical interventions can relieve clinical symptoms to some extent, but fail to repair the cartilaginous injuries with authentic hyaline cartilage. There has been a surge of interest in developing cell-based therapies, focused particularly on the use of mesenchymal stem/progenitor cells with or without scaffolds. Mesenchymal stem/progenitor cells are promising graft cells for tissue regeneration, but the most suitable source of cells for cartilage repair remains controversial...
July 18, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28665930/kidneys-in-five-year-old-preterm-born-children-a-longitudinal-cohort-monitoring-of-renal-function
#3
Rachel Vieux, Marion Gerard, Audrey Roussel, Aïssata Sow, Amelie Gatin, Francis Guillemin, Jean-Michel Hascoet
BACKGROUND: Knowing the impact of low birth-weight on late onset hypertension, we aimed at: describing systolic blood pressure (sBP) and renal function in 3-5 year-old preterm-born children, and determining which perinatal factors or factors in childhood were associated with an altered renal function at five years in these children. METHODS: Prospective longitudinal cohort study of children born 27-31 weeks gestation included at birth and examined at three, four and five years...
June 30, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28661210/solid-pseudopapillary-neoplasm-of-the-pancreas-a-rare-entity-with-unique-features
#4
Peyman Dinarvand, Jinping Lai
Solid pseudopapillary neoplasm of the pancreas is a rare entity with low malignant potential and excellent overall prognosis. It has nonspecific clinical presentations such as abdominal pain and nausea, with vague radiologic features. Histologic features of this neoplasm are usually specific. The tumor shows minimally cohesive, uniform, monotonous cells lining delicate capillary-sized blood vessels, described as pseudopapillary architecture. Other features including hyaline globules, cytoplasmic vacuoles, and nuclear grooving are frequently present...
July 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28658765/prevalence-of-lung-lesions-at-autopsy-a-histopathological-study
#5
Pratima Khare, Renu Gupta, Mukta Ahuja, Nupur Khare, Swapnil Agarwal, Deepti Bansal
INTRODUCTION: Autopsies are carried out to establish the identity, cause of death, time of death, and ante-mortem or post-mortem nature of death. These help in establishing the cause of death and ascertain the disease process which led to death. AIM: To study the prevalence and pattern of lung diseases in medicolegal autopsies, confirmed by histopathological examination. MATERIALS AND METHODS: This retrospective study was carried out in the Department of Pathology...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28629625/what-exactly-regression-of-atherosclerosis-or-foreign-body-reaction-with-hyaline-arteriosclerosis-drives-transient-scaffolding-of-coronary-arteries-a-pooled-analysis-of-observational-absorb-studies-with-a-serial-multimodality-imaging-substudy-of-absorb-cohort
#6
Alexander N Kharlamov, John A Feinstein, John A Cramer, John A Boothroyd
OBJECTIVES: We aimed to estimate the trends of the artery remodeling after transient scaffolding. BACKGROUND: At least 2.62% reduction of the per cent atheroma volume (PAV) or plaque burden (PB) performed in ABSORB B trial at 60months. METHODS: The detailed multiple serial imaging evaluation was performed by intravascular ultrasound (IVUS) in comparison with quantitative coronary angiography (QCA), multislice CT (MSCT) and optical coherence tomography (OCT) thru 24months in the ABSORB cohort B1 trial (n=45) with the pooled analysis in ABSORB A and B trials (n=131)...
June 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28602254/formation-and-germination-of-temporary-cysts-of-cochlodinium-polykrikoides-margalef-dinophyceae-and-their-ecological-role-in-dense-blooms
#7
Hyeon Ho Shin, Zhun Li, Yang Ho Yoon, Seok Jin Oh, Wol-Ae Lim
While the initiation and development of dense bloom of Cochlodinium polykrikoides have been shown to be related to some environmental factors, little is known about the ecological role of the formation and germination of temporary cysts, nor of their significance for the rapid expansion of dense regional-scale blooms. This study examined the factors affecting the formation and germination of temporary cysts of C. polykrikoides, and provides details about the germination process. In the laboratory experiments, C...
June 2017: Harmful Algae
https://www.readbyqxmd.com/read/28587618/effect-of-tryptase-inhibition-on-joint-inflammation-a-pharmacological-and-lentivirus-mediated-gene-transfer-study
#8
Alexandre Denadai-Souza, Camilla Moreira Ribeiro, Corinne Rolland, Anne Thouard, Céline Deraison, Cristoforo Scavone, Daniel Gonzalez-Dunia, Nathalie Vergnolle, Maria Christina Werneck Avellar
BACKGROUND: Increasing evidences indicate that an unbalance between tryptases and their endogenous inhibitors, leading to an increased proteolytic activity, is implicated in the pathophysiology of rheumatoid arthritis. The aim of the present study was to evaluate the impact of tryptase inhibition on experimental arthritis. METHODS: Analysis of gene expression and regulation in the mouse knee joint was performed by RT-qPCR and in situ hybridization. Arthritis was induced in male C57BL/6 mice with mBSA/IL-1β...
June 6, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28578447/maternal-and-neonatal-outcomes-in-twin-and-triplet-gestations-in-western-saudi-arabia
#9
Samera F AlBasri, Ghadah M Shouib, Osama S Bajouh, Hasan A Nasrat, Ejaz Ahmad, Fahad M AlGreisi
Tocompare maternal and neonatal complications in twin and triplet gestations at King Abdulaziz University Hospital, Jeddah, Saudi Arabia. Methods: Retrospective medical records of 165 women with 144 twin and 21 triplet pregnancies from 2004 to 2011 were analyzed. Comparisons were carried out for maternal complications, gestational age at birth, neonatal birth weight, and neonatal intensive care admission. Results: Most common complications were preterm birth (49%), gestational diabetes mellitus (13.3%), and premature rupture of membrane (4...
June 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28570531/a-5-mc-dot-blot-assay-quantifying-the-dna-methylation-level-of-chondrocyte-dedifferentiation-in-vitro
#10
Zhaofeng Jia, Yujie Liang, Bin Ma, Xiao Xu, Jianyi Xiong, Li Duan, Daping Wang
The dedifferentiation of hyaline chondrocytes into fibroblastic chondrocytes often accompanies monolayer expansion of chondrocytes in vitro. The global DNA methylation level of chondrocytes is considered to be a suitable biomarker for the loss of the chondrocyte phenotype. However, results based on different experimental methods can be inconsistent. Therefore, it is important to establish a precise, simple, and rapid method to quantify global DNA methylation levels during chondrocyte dedifferentiation. Current genome-wide methylation analysis techniques largely rely on bisulfite genomic sequencing...
May 17, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28570160/acute-respiratory-distress-syndrome-and-diffuse-alveolar-damage-new-insights-on-a-complex-relationship
#11
Pablo Cardinal-Fernández, José A Lorente, Aída Ballén-Barragán, Gustavo Matute-Bello
Acute respiratory distress syndrome (ARDS) is a major clinical problem with high morbidity and mortality. Diffuse alveolar damage (DAD) is considered the histological hallmark for the acute phase of ARDS. DAD is characterized by an acute phase with edema, hyaline membranes, and inflammation, followed by an organizing phase with alveolar septal fibrosis and type II pneumocyte hyperplasia. Given the difficulties in obtaining a biopsy in patients with ARDS, the presence of DAD is not required to make the diagnosis...
June 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28529572/recurrent-female-adnexal-tumor-of-probable-wolffian-origin-treated-with-debulking-surgery-imatinib-and-paclitaxel-carboplatin-combination-chemotherapy-a-case-report
#12
Akihiko Wakayama, Hirofumi Matsumoto, Hajime Aoyama, Masanao Saio, Ayumi Kumagai, Takuma Ooyama, Morihiko Inamine, Yoichi Aoki
In view of the small number of recurrent and metastatic cases of female adnexal tumors of probable Wolffian origin (FATWO), there is a distinct lack of evidence to support recommendations regarding treatment. In the present study, a 37-year-old female was diagnosed with a left adnexal tumor and underwent a left salpingo-oophorectomy (SO). The tumor was found to arise from the left tubal fimbria and extend to the posterior leaf of the broad ligament. Pathological examination identified a number of solid, tubular and cystic architectures, with areas of hyalinization, hemorrhage and necrosis...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28503314/atypical-teratoid-rhabdoid-tumor-of-lumbar-spine-in-a-toddler-child
#13
Min Fang Chao, Yu-Feng Su, Twei-Shiun Jaw, Shyh-Shin Chiou, Chih-Hung Lin
BACKGROUND: Atypical teratoid/rhabdoid tumor (AT/RT) is a rare pediatric central nervous system malignancy with poor outcome. AT/RT is infrequently located in the spinal cord. CLINICAL PRESENTATION: A 16-month-old boy presented with progressive urinary retention and weakness of the lower extremities. Magnetic resonance imaging of the spine revealed an intradural extramedullary mass occupying the spinal canal at the level of T10-L3. The tumor was successfully resected by using neuroendoscopy...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28502975/an-unusual-presentation-of-acute-fibrinous-and-organizing-pneumonia
#14
Rami Jabbour, Hanesh Kumar, Shaheen Alvi, Varalaxmi Bhavani Nannaka, Masooma Niazi, Madanmohan Patel, Sridhar Chilimuri
BACKGROUND Acute fibrinous and organizing pneumonia (AFOP) is a newly evolving rare non-infectious lung pathology, characterized by intra-alveolar fibrin balls on histology. It is often difficult to diagnose and is usually mistaken for other lung pathologies. We present an interesting case of AFOP with unusual radiologic findings and disease course. CASE REPORT A 56-year-old woman presented with a 1-day history of high-grade fever, chills, and profuse sweating. She was febrile to 101.2 degree Fahrenheit on presentation...
May 15, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28501032/-perinatal-outcome-in-relation-to-chorionicity-in-twin-pregnancy
#15
Marta Machado, Elsa Lima Teixeira, Lígia Maria Ferreira, Filipa Rodrigues, Raquel Henriques, Eulália Afonso
INTRODUCTION: The incidence of multiple gestations is increasing worldwide and many studies have shown higher perinatal morbidity and mortality rates in monochorionic twins compared to dichorionic. The aim of this study was to assess the twin population born at a tertiary center and to evaluate the impact of chorionicity on perinatal outcomes of twin pregnancies. MATERIAL AND METHODS: Retrospective study of all twins born in a tertiary center from January 2004 to December 2013...
January 31, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28403904/pre-existing-chronic-interstitial-pneumonia-is-a-poor-prognostic-factor-of-goodpasture-s-syndrome-a-case-report-and-review-of-the-literature
#16
Hiroki Tashiro, Koichiro Takahashi, Yuki Ikeda, Saori Uchiumi, Makoto Fukuda, Miyazono Motoaki, Shinya Kimura, Naoko Sueoka-Aragane
BACKGROUND: Goodpasture's syndrome is a rare disease that is characterized by rapidly progressive glomerulonephritis and diffuse alveolar hemorrhage. CASE PRESENTATION: A 71-year-old Japanese man who had chronic interstitial pneumonia was diagnosed as having Goodpasture's syndrome. Both anti-glomerular basement membrane antibody and myeloperoxidase anti-neutrophil cytoplasmic antibody were increased. Despite intensive treatments, including mechanical ventilation, he died from respiratory failure...
April 13, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28384256/probucol-attenuates-hyperoxia-induced-lung-injury-in-mice
#17
Tomonobu Kawaguchi, Toyoshi Yanagihara, Tetsuya Yokoyama, Saiko Suetsugu-Ogata, Naoki Hamada, Chika Harada-Ikeda, Kunihiro Suzuki, Takashige Maeyama, Kazuyoshi Kuwano, Yoichi Nakanishi
Hyperoxic lung injury is pathologically characterized by alveolar edema, interlobular septal edema, hyaline membrane disease, lung inflammation, and alveolar hemorrhage. Although the precise mechanism by which hyperoxia causes lung injury is not well defined, oxidative stress, epithelial cell death, and proinflammatory cytokines are thought to be involved. Probucol-a commercially available drug for treating hypercholesterolemia-has been suggested to have antioxidant and antiapoptotic effects. This study aimed to assess whether probucol could attenuate hyperoxic lung injury in mice...
2017: PloS One
https://www.readbyqxmd.com/read/28368924/smarcb1-ini1-loss-in-epithelioid-schwannoma-a-clinicopathologic-and-immunohistochemical-study-of-65-cases
#18
Vickie Y Jo, Christopher D M Fletcher
The epithelioid variant of schwannoma is rare, and loss of SMARCB1/INI1 expression has been observed in a subset of cases. Our aim was to further define the clinicopathologic features and to evaluate SMARCB1/INI1 deficiency in a large cohort of 65 epithelioid schwannomas diagnosed between 2002 and 2015, which consisted of 32 men and 33 women with median age at diagnosis of 45 years (range, 13 to 75 y). Most tumors arose in the extremities (upper, 20, lower, 15) and trunk (17); 9 were visceral (8 gastrointestinal)...
August 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28352342/different-ventilation-modes-combined-with-ambroxol-in-the-treatment-of-respiratory-distress-syndrome-in-premature-infants
#19
Bin Zhou, Jing-Fang Zhai, Jie-Bin Wu, Bao Jin, Yan-Yan Zhang
The aim of the present study was to compare the effectiveness of different modes of mechanical ventilation in combination with secretolytic therapy with ambroxol in premature infants with respiratory distress syndrome. Seventy-three premature infants with hyaline membrane disease (HMD) (stage III-IV), also known as respiratory distress syndrome, who were supported by mechanical ventilation in the neonatal intensive care unit (NICU) of Xuzhou Central Hospital, were involved in the present study, between January 2013 and February 2015...
February 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28348219/mouse-adapted-mers-coronavirus-causes-lethal-lung-disease-in-human-dpp4-knockin-mice
#20
Kun Li, Christine L Wohlford-Lenane, Rudragouda Channappanavar, Jung-Eun Park, James T Earnest, Thomas B Bair, Amber M Bates, Kim A Brogden, Heather A Flaherty, Tom Gallagher, David K Meyerholz, Stanley Perlman, Paul B McCray
The Middle East respiratory syndrome (MERS) emerged in Saudi Arabia in 2012, caused by a zoonotically transmitted coronavirus (CoV). Over 1,900 cases have been reported to date, with ∼36% fatality rate. Lack of autopsies from MERS cases has hindered understanding of MERS-CoV pathogenesis. A small animal model that develops progressive pulmonary manifestations when infected with MERS-CoV would advance the field. As mice are restricted to infection at the level of DPP4, the MERS-CoV receptor, we generated mice with humanized exons 10-12 of the mouse Dpp4 locus...
April 11, 2017: Proceedings of the National Academy of Sciences of the United States of America
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