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BBA Clinical

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https://www.readbyqxmd.com/read/28626640/accumulated-substancies-and-calorific-capacity-in-adipose-tissue-physical-and-chemical-clinical-trial
#1
Kuat Oshakbayev, Bibazhar Dukenbayeva, Gulnar Togizbayeva, Meruyert Gazaliyeva, Alma Syzdykova, Kanat Daurenbekov, Pernekul Issa
AIM: To study physical and chemical structures and properties including calorific value of human adipose tissue in different anatomical location in autopsy-assigned clinical trial. METHODS: A pilot physical and chemical descriptive randomized autopsy-assigned trial. Adipose tissue 252 sampled from 36 individuals at autopsy who between 36 and 63 years old died from road accidents. Interventions: Chemical functional groups and calorific value were studied using infrared and atomic adsorptive spectrometries, elemental chemical analysis and differential scanning calorimetry...
December 2017: BBA Clinical
https://www.readbyqxmd.com/read/28567338/rapid-diagnosis-and-intraoperative-margin-assessment-of-human-lung-cancer-with-fluorescence-lifetime-imaging-microscopy
#2
Mengyan Wang, Feng Tang, Xiaobo Pan, Longfang Yao, Xinyi Wang, Yueyue Jing, Jiong Ma, Guifang Wang, Lan Mi
A method of rapidly differentiating lung tumor from healthy tissue is extraordinarily needed for both the diagnosis and the intraoperative margin assessment. We assessed the ability of fluorescence lifetime imaging microscopy (FLIM) for differentiating human lung cancer and normal tissues with the autofluorescence, and also elucidated the mechanism in tissue studies and cell studies. A 15-patient testing group was used to compare FLIM results with traditional histopathology diagnosis. Based on the endogenous fluorescence lifetimes of the testing group, a criterion line was proposed to distinguish normal and cancerous tissues...
December 2017: BBA Clinical
https://www.readbyqxmd.com/read/28567337/body-mass-index-is-associated-with-region-dependent-metabolic-reprogramming-of-adipose-tissue
#3
Marco G Alves, Ângela Moreira, Marta Guimarães, Mário Nora, Mario Sousa, Pedro F Oliveira, Mariana P Monteiro
Adipose tissue (AT) is involved in dysmetabolism pathogenesis. Regional fat distribution and functioning may contribute to obesity-related metabolic disorders and adverse health outcomes. Specific fat depots are suggested to possess unique biological properties, but specific metabolic profiles of subcutaneous (SAT) and visceral adipose tissue (VAT) remain unknown. We aimed to characterize VAT and SAT glucose metabolism, and their correlation with body mass index (BMI). AT samples from patients (n = 12; F:M, 9:3) with a mean age of 46 years (26-83 years) and an average BMI of 29...
December 2017: BBA Clinical
https://www.readbyqxmd.com/read/28480171/pathogenicity-in-polg-syndromes-dna-polymerase-gamma-pathogenicity-prediction-server-and-database
#4
Anssi Nurminen, Gregory A Farnum, Laurie S Kaguni
DNA polymerase gamma (POLG) is the replicative polymerase responsible for maintaining mitochondrial DNA (mtDNA). Disorders related to its functionality are a major cause of mitochondrial disease. The clinical spectrum of POLG syndromes includes Alpers-Huttenlocher syndrome (AHS), childhood myocerebrohepatopathy spectrum (MCHS), myoclonic epilepsy myopathy sensory ataxia (MEMSA), the ataxia neuropathy spectrum (ANS) and progressive external ophthalmoplegia (PEO). We have collected all publicly available POLG-related patient data and analyzed it using our pathogenic clustering model to provide a new research and clinical tool in the form of an online server...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28417080/applying-a-systems-approach-to-thyroid-physiology-looking-at-the-whole-with-a-mitochondrial-perspective-instead-of-judging-single-tsh-values-or-why-we-should-know-more-about-mitochondria-to-understand-metabolism
#5
REVIEW
Roy Moncayo, Helga Moncayo
Classical thinking in endocrine physiology squeezes our diagnostic handling into a simple negative feedback mechanism with a controller and a controlled variable. In the case of the thyroid this is reduced to TSH and fT3 and fT4, respectively. The setting of this tight notion has no free space for any additions. In this paper we want to challenge this model of limited application by proposing a construct based on a systems approach departing from two basic considerations. In first place since the majority of cases of thyroid disease develop and appear during life it has to be considered as an acquired condition...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28417079/detection-of-copy-number-alterations-in-cell-free-tumor-dna-from-plasma
#6
Olga Østrup, Lise Barlebo Ahlborn, Ulrik Lassen, Morten Mau-Sørensen, Finn Cilius Nielsen
BACKGROUND: Somatic copy number alterations (SCNAs) occurring in tumors can provide information about tumor classification, patient's outcome or treatment targets. Liquid biopsies, incl. plasma samples containing circulating cell-free tumor DNA (ccfDNA) can be used to assess SCNAs for clinical purposes, however specify and reliability of methods have to be tested. METHODS: SNP microarrays (Affymetrix) were used to generate whole-genome copy number profiles from plasma ccfDNA (OncoScan) and paired tumor biopsies (CytoScan) from ten patients with metastatic cancers...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28409122/a-post-publication-analysis-of-the-idealized-upper-reference-value-of-2-5%C3%A2-miu-l-for-tsh-time-to-support-the-thyroid-axis-with-magnesium-and-iron-especially-in-the-setting-of-reproduction-medicine
#7
Roy Moncayo, Helga Moncayo
Laboratory medicine approaches the evaluation of thyroid function mostly through the single determination of the blood level of thyroid stimulating hormone (TSH). Some authors have suggested an upper reference value for TSH of 2.5 mIU/L. This suggestion has not been confirmed by recent clinical studies. These studies have delivered a clinically valid reference range going from 0.3 to 3.5 mIU/L. These values are valid for both for the general population as well as in the setting of fertility and pregnancy...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28331812/the-plasma-lipidome-in-acute-myeloid-leukemia-at-diagnosis-in-relation-to-clinical-disease-features
#8
Thomas Pabst, Linda Kortz, Georg M Fiedler, Uta Ceglarek, Jeffrey R Idle, Diren Beyoğlu
BACKGROUND: Early studies established that certain lipids were lower in acute myeloid leukemia (AML) cells than normal leukocytes. Because lipids are now known to play an important role in cell signaling and regulation of homeostasis, and are often perturbed in malignancies, we undertook a comprehensive lipidomic survey of plasma from AML patients at time of diagnosis and also healthy blood donors. METHODS: Plasma lipid profiles were measured using three mass spectrometry platforms in 20 AML patients and 20 healthy blood donors...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28331811/proteomic-analysis-of-bronchoalveolar-lavage-fluid-balf-from-lung-cancer-patients-using-label-free-mass-spectrometry
#9
Abduladim Hmmier, Michael Emmet O'Brien, Vincent Lynch, Martin Clynes, Ross Morgan, Paul Dowling
BACKGROUND: Lung cancer is the leading cause of cancer-related mortality in both men and women throughout the world. The need to detect lung cancer at an early, potentially curable stage, is essential and may reduce mortality by 20%. The aim of this study was to identify distinct proteomic profiles in bronchoalveolar fluid (BALF) and plasma that are able to discriminate individuals with benign disease from those with non-small cell lung cancer (NSCLC). METHODS: Using label-free mass spectrometry analysis of BALF during discovery-phase analysis, a significant number of proteins were found to have different abundance levels when comparing control to adenocarcinoma (AD) or squamous cell lung carcinoma (SqCC)...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28275553/enzyme-replacement-therapy-for-farber-disease-proof-of-concept-studies-in-cells-and-mice
#10
Xingxuan He, Shaalee Dworski, Changzhi Zhu, Victor DeAngelis, Alex Solyom, Jeffrey A Medin, Calogera M Simonaro, Edward H Schuchman
A series of studies were carried out in Farber disease (OMIM #228000) cells and mice to evaluate the feasibility of enzyme replacement therapy (ERT) for this disorder. Media from Chinese hamster ovary (CHO) cells overexpressing human recombinant acid ceramidase (rhAC) was used to treat fibroblasts from a Farber disease patient, leading to significantly reduced ceramide. We also found that chondrocytes from Farber disease mice had a markedly abnormal chondrogenic phenotype, and this was corrected by rhAC as well...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28239561/regulation-of-cardiac-cacnb2-by-microrna-499-potential-role-in-atrial-fibrillation
#11
Tian-You Ling, Xiao-Li Wang, Qiang Chai, Tong Lu, John M Stulak, Lyle D Joyce, Richard C Daly, Kevin L Greason, Li-Qun Wu, Win-Kuang Shen, Yong-Mei Cha, Hon-Chi Lee
The L-type calcium channel (LTCC) is one of the major ion channels that are known to be associated with the electrical remodeling of atrial fibrillation (AF). In AF, there is significant downregulation of the LTCC, but the underlying mechanism for such downregulation is not clear. We have previously reported that microRNA-499 (miR-499) is significantly upregulated in patients with permanent AF and that KCNN3, the gene that encodes the small-conductance calcium-activated potassium channel 3 (SK3), is a target of miR-499...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28194329/understanding-breast-cancer-the-long-and-winding-road
#12
REVIEW
Kiven Erique Lukong
BACKGROUND: Despite a remarkable increase in the depth of our understanding and management of breast cancer in the past 50 years, the disease is still a major public health problem worldwide and poses significant challenges. The palpability of breast tumors has facilitated diagnosis and documentation since ancient times. The earliest descriptions of breast cancer date back to around 3500 BCE. For centuries to follow, theories by Hippocrates (460 BCE) and Galen (200 CE), attributing the cause of breast cancer to an "excess of black bile" and treatment options including the use of opium and castor oil, prevailed...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28127532/plasma-protein-bound-di-tyrosines-as-biomarkers-of-oxidative-stress-in-end-stage-renal-disease-patients-on-maintenance-haemodialysis
#13
Graziano Colombo, Francesco Reggiani, David Cucchiari, Nicola M Portinaro, Daniela Giustarini, Ranieri Rossi, Maria Lisa Garavaglia, Nicola Saino, Aldo Milzani, Salvatore Badalamenti, Isabella Dalle-Donne
BACKGROUND: Patients with end-stage renal disease (ESRD) undergoing haemodialysis (HD) experience enhanced oxidative stress and systemic inflammation, which are risk factors for cardiovascular disease, the most common cause of excess morbidity and mortality for these patients. Different pathways producing different types of oxidative stress occur in ESRD. The purpose of our study was to determine the effect of HD on plasma levels of protein-bound dityrosine (di-Tyr), a biomarker of protein oxidation...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28070499/metabolic-relationship-between-diabetes-and-alzheimer-s-disease-affected-by-cyclo-his-pro-plus-zinc-treatment
#14
REVIEW
Moon K Song, David S Bischoff, Albert M Song, Koichi Uyemura, Dean T Yamaguchi
BACKGROUND: Association of Alzheimer's Disease (AD) with Type 2 Diabetes (T2D) has been well established. Cyclo(His-Pro) plus zinc (Cyclo-Z) treatment ameliorated diabetes in rats and similar improvements have been seen in human patients. Treatment of amyloid precursor protein (APP) transgenic mice with Cyclo-Z exhibited memory improvements and significantly reduced Aβ-40 and Aβ-42 protein levels in the brain tissues of the mice. SCOPE OF REVIEW: Metabolic relationship between AD and T2D will be described with particular attention to insulin sensitivity and Aβ degradation in brain and plasma tissues...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28070498/hemophagocytic-lymphohistiocytosis-in-adults-an-under-recognized-entity
#15
Abdul Rashid Shah, Tariq Muzzafar, Rita Assi, Dawid Schellingerhout, Zeev Estrov, Gevorg Tamamyan, Hagop Kantarjian, Naval Daver
Hemophagocytic lymphohistiocytosis (HLH) is a syndrome of severe immune activation with macrophage and T-cell infiltration resulting in, multi organ damage. HLH may be primary or secondary in etiology. A high index of suspicion is essential for early diagnosis and treatment. Diagnostic criteria need to be refined and newer treatment options to be explored in order to improve survival especially in adult HLH and malignancy-associated HLH (M-HLH). We report a case of malignancy associated HLH (M-HLH) in adult treated on one of the only FDA-approved protocols for adult HLH to highlight the diagnostic and therapeutic challenges of this disease entity...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28053879/lysozyme-association-with-circulating-rna-extracellular-vesicles-and-chronic-stress
#16
Sarah K Abey, Yuana Yuana, Paule V Joseph, Natnael D Kenea, Nicolaas H Fourie, LeeAnne B Sherwin, Gregory E Gonye, Paul A Smyser, Erin S Stempinski, Christina M Boulineaux, Kristen R Weaver, Christopher K E Bleck, Wendy A Henderson
BACKGROUND: Stress has demonstrated effects on inflammation though underlying cell-cell communication mechanisms remain unclear. We hypothesize that circulating RNAs and extracellular vesicles (EVs) in patients with chronic stress contain signals with functional roles in cell repair. METHODS: Blood transcriptome from patients with Irritable Bowel Syndrome versus controls were compared to identify signaling pathways and effectors. Plasma EVs were isolated (size-exclusion chromatography) and characterized for effectors' presence (immunogold labelling-electron microscopy)...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28053878/microparticle-subpopulations-are-potential-markers-of-disease-progression-and-vascular-dysfunction-across-a-spectrum-of-connective-tissue-disease
#17
E M McCarthy, D Moreno-Martinez, F L Wilkinson, N J McHugh, I N Bruce, J D Pauling, M Y Alexander, B Parker
OBJECTIVE: Microparticles (MPs) are membrane-bound vesicles derived from vascular and intravascular cells such as endothelial cells (EMPs) and platelets (PMPs). We investigated EMP and PMP numbers across a spectrum of autoimmune rheumatic diseases (AIRDs) with the aim of comparing the levels of, and relationship between, EMPs and PMPs. METHODS: Patients with Systemic Lupus Erythematosus (SLE) (n = 24), Systemic Sclerosis (SSc) (n = 24), Primary Raynauds Phenomenon (RP) (n = 17) and "other CTD" (n = 15) (Primary Sjogrens Syndrome, UCTD or MCTD) as well as 15 healthy controls were recruited...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28053877/metabolomic-analysis-identifies-differentially-produced-oral-metabolites-including-the-oncometabolite-2-hydroxyglutarate-in-patients-with-head-and-neck-squamous-cell-carcinoma
#18
Pranab K Mukherjee, Pauline Funchain, Mauricio Retuerto, Richard J Jurevic, Nicole Fowler, Brian Burkey, Charis Eng, Mahmoud A Ghannoum
BACKGROUND: Metabolomics represents a promising approach for discovering novel targets and biomarkers in head and neck squamous cell carcinoma (HNSCC). Here we used metabolomics to identify oral metabolites associated with HNSCC. METHODS: Tumor and adjacent normal tissue from surgical resections and presurgical oral washes as well as oral washes were collected from healthy participants. Metabolites extractions of these samples were analyzed by liquid chromatography-mass spectroscopy (LC/MS), LC/MS/MS and gas chromatography-MS (GC/MS)...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/27904835/a-novel-dominant-d109a-cryab-mutation-in-a-family-with-myofibrillar-myopathy-affects-%C3%AE-b-crystallin-structure
#19
Jakub P Fichna, Anna Potulska-Chromik, Przemysław Miszta, Maria Jolanta Redowicz, Anna M Kaminska, Cezary Zekanowski, Sławomir Filipek
Myofibrillar myopathy (MFM) is a group of inherited muscular disorders characterized by myofibrils dissolution and abnormal accumulation of degradation products. So far causative mutations have been identified in nine genes encoding Z-disk proteins, including αB-crystallin (CRYAB), a small heat shock protein (also called HSPB5). Here, we report a case study of a 63-year-old Polish female with a progressive lower limb weakness and muscle biopsy suggesting a myofibrillar myopathy, and extra-muscular multisystemic involvement, including cataract and cardiomiopathy...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/27957430/signaling-mechanisms-implicated-in-cranial-sutures-pathophysiology-craniosynostosis
#20
REVIEW
Maria A Katsianou, Christos Adamopoulos, Heleni Vastardis, Efthimia K Basdra
Normal extension and skull expansion is a synchronized process that prevails along the osteogenic intersections of the cranial sutures. Cranial sutures operate as bone growth sites allowing swift bone generation at the edges of the bone fronts while they remain patent. Premature fusion of one or more cranial sutures can trigger craniosynostosis, a birth defect characterized by dramatic manifestations in appearance and functional impairment. Up until today, surgical correction is the only restorative measure for craniosynostosis associated with considerable mortality...
December 2016: BBA Clinical
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