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BBA Clinical

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https://www.readbyqxmd.com/read/28194329/understanding-breast-cancer-the-long-and-winding-road
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
https://www.readbyqxmd.com/read/27957429/relationship-between-level-of-hba1c-and-breast-cancer
#10
Fariba Jousheghany, Joshua Phelps, Tina Crook, Reza Hakkak
BACKGROUND: Diabetes and cancer are public health issues worldwide; studies have shown that diabetes is related to increased breast cancer mortality. The purpose of this study was to examine associations between HbA1C and obesity with tumor stage and mortality among breast cancer patients. METHODS: Data for 82 patients with breast cancer (36-89 years of age, diagnosed /treated 1999-2009) were provided by the University of Arkansas for Medical Sciences (UAMS) Data Trust Warehouse...
December 2016: BBA Clinical
https://www.readbyqxmd.com/read/27896137/lymph-node-or-perineural-invasion-is-associated-with-low-mir-15a-mir-34c-and-mir-199b-levels-in-head-and-neck-squamous-cell-carcinoma
#11
Lucas O Sousa, Lays M Sobral, Camila S Matsumoto, Fabiano P Saggioro, Rossana V M López, Rodrigo A Panepucci, Carlos Curti, Wilson A Silva, Lewis J Greene, Andréia M Leopoldino
BACKGROUND: MicroRNAs (miRNAs or miRs) are post-transcriptional regulators of eukaryotic cells and knowledge of differences in miR levels may provide new approaches to diagnosis and therapy. METHODS: The present study measured the levels of nine miRs in head and neck squamous cell carcinomas (HNSCC) and determined whether clinical pathological features are associated with differences in miR levels. SET (I2PP2A) and PTEN protein levels were also measured, since their levels can be regulated by miR-199b and miR-21, respectively...
December 2016: BBA Clinical
https://www.readbyqxmd.com/read/27896136/attention-deficit-hyperactivity-disorder-suffers-from-mitochondrial-dysfunction
#12
Poonam Verma, Alpana Singh, Dominic Ngima Nthenge-Ngumbau, Usha Rajamma, Swagata Sinha, Kanchan Mukhopadhyay, Kochupurackal P Mohanakumar
BACKGROUND: Pathophysiology of attention-deficit hyperactivity disorder (ADHD) is not known, and therefore the present study investigated mitochondrial defects, if any in cybrids created from patients and control population. METHODS: To investigate mitochondrial pathology in ADHD, cybrids cell lines were created from ADHD probands and controls by fusing their platelets with ρ(0)-cells prepared from SH-SY5Y neuroblastoma cell line. Cellular respiration, oxidative stress, mitochondrial membrane potential and morphology were evaluated employing oxygraph, mitochondria-specific fluorescence staining and evaluation by FACS, and immunocytochemistry...
December 2016: BBA Clinical
https://www.readbyqxmd.com/read/27882303/ovarian-like-differentiation-in-eutopic-and-ectopic-endometrioses-with-aberrant-fsh-receptor-insl3-and-gata4-6-expression
#13
Baptiste Fouquet, Pietro Santulli, Jean-Christophe Noel, Micheline Misrahi
Endometriosis, the hormone-dependent extrauterine dissemination of endometrial tissue outside the uterus, affects 5-15% of women of reproductive age. Pathogenesis remains poorly understood as well as the estrogen production by endometriotic tissue yielding autocrine growth. Estrogens (E2) are normally produced by the ovaries. We investigated whether aberrant "ovarian-like" differentiation occurred in endometriosis. 69 women, with (n = 38) and without (n = 31) histologically proven endometriosis were recruited...
December 2016: BBA Clinical
https://www.readbyqxmd.com/read/27785418/clinical-significance-of-serum-omentin-1-levels-in-patients-with-pancreatic-adenocarcinoma
#14
Senem Karabulut, Cigdem Usul Afsar, Mehmet Karabulut, Halil Alis, Mehmet Abdussamet Bozkurt, Fatma Aydogan, Murat Serilmez, Faruk Tas
BACKGROUND: Omentin is related with metabolic syndrome and obesity. Pancreatic adenocarcinoma (PA) is a lethal and obesity-linked malignancy. This study was conducted to investigate the serum levels of omentin in patients with PA and the relationship with tumor progression and known prognostic parameters. MATERIAL AND METHODS: Serum samples were obtained from thirty-three patients on first admission before any treatment. Age, sex and body mass index (BMI) matched 30 healthy controls were included in the analysis...
December 2016: BBA Clinical
https://www.readbyqxmd.com/read/27785417/metabolic-response-to-glatiramer-acetate-therapy-in-multiple-sclerosis-patients
#15
Lidia De Riccardis, Alessandra Ferramosca, Antonio Danieli, Giorgio Trianni, Vincenzo Zara, Francesca De Robertis, Michele Maffia
Glatiramer acetate (GA; Copaxone) is a random copolymer of glutamic acid, lysine, alanine, and tyrosine used for the treatment of patients with multiple sclerosis (MS). Its mechanism of action has not been already fully elucidated, but it seems that GA has an immune-modulatory effect and neuro-protective properties. Lymphocyte mitochondrial dysfunction underlines the onset of several autoimmune disorders. In MS first diagnosis patients, CD4(+), the main T cell subset involved in the pathogenesis of MS, undergo a metabolic reprogramming that consist in the up-regulation of glycolysis and in the down-regulation of oxidative phosphorylation...
December 2016: BBA Clinical
https://www.readbyqxmd.com/read/27761414/controversies-and-evidence-of-hepatic-resection-for-hepatocellular-carcinoma
#16
REVIEW
Jian-Hong Zhong, Guido Torzilli, Hao Xing, Chao Li, Jun Han, Lei Liang, Han Zhang, Shu-Yang Dai, Le-Qun Li, Feng Shen, Tian Yang
Symptoms of early hepatocellular carcinoma (HCC) often go unnoticed, so more than half of patients with primary HCC are diagnosed after their disease has already reached an intermediate or advanced stage, or after portal hypertension has appeared. While hepatic resection is widely recognized as a first-line therapy to treat very early or early HCC, its use in treating intermediate or advanced HCC or HCC involving portal hypertension remains controversial. Here we review PubMed-indexed literature covering the use of hepatic resection for such patients...
December 2016: BBA Clinical
https://www.readbyqxmd.com/read/27752476/shining-light-on-the-head-photobiomodulation-for-brain-disorders
#17
REVIEW
Michael R Hamblin
Photobiomodulation (PBM) describes the use of red or near-infrared light to stimulate, heal, regenerate, and protect tissue that has either been injured, is degenerating, or else is at risk of dying. One of the organ systems of the human body that is most necessary to life, and whose optimum functioning is most worried about by humankind in general, is the brain. The brain suffers from many different disorders that can be classified into three broad groupings: traumatic events (stroke, traumatic brain injury, and global ischemia), degenerative diseases (dementia, Alzheimer's and Parkinson's), and psychiatric disorders (depression, anxiety, post traumatic stress disorder)...
December 2016: BBA Clinical
https://www.readbyqxmd.com/read/27635386/st-elevation-myocardial-infarction-risk-in-the-very-elderly
#18
Alessandra M Campos, Andrea Placido-Sposito, Wladimir M Freitas, Filipe A Moura, Maria Elena Guariento, Wilson Nadruz, Emilio H Moriguchi, Andrei C Sposito
BACKGROUND: Despite the high incidence and mortality of ST-segment elevation myocardial infarction (STEMI) among the very elderly, risk markers for this condition remain poorly defined. This study was designed to identify independent markers of STEMI among individuals carefully selected for being healthy or manifesting STEMI in < 24 h. METHODS: We enrolled participants aged 80 years or older of whom 50 were STEMI patients and 207 had never manifested cardiovascular diseases...
December 2016: BBA Clinical
https://www.readbyqxmd.com/read/27617228/treatment-with-recombinant-human-bone-morphogenetic-protein-7-leads-to-a-transient-induction-of-neutralizing-autoantibodies-in-a-subset-of-patients
#19
Andrea Schuette, Arash Moghaddam, Petra Seemann, Georg N Duda, Gerhard Schmidmaier, Lutz Schomburg
BACKGROUND: Recombinant human bone morphogenetic protein 7 (rhBMP7) is applied for treatment of bone fractures, especially tibial non-unions. Its application may induce autoantibodies (aAB) affecting the targeted and endogenous signaling pathways and in turn negatively impact treatment efficacy. METHODS: Novel and sensitive assays for the quantification of BMP7-aAB and BMP2-aAB were established and used to analyze serum samples from healthy controls (n = 100 men, n = 100 women) and patients with long bone fracture (n = 265) treated or not with rhBMP7...
December 2016: BBA Clinical
https://www.readbyqxmd.com/read/27556014/the-broken-off-switch-in-cancer-signaling-pp2a-as-a-regulator-of-tumorigenesis-drug-resistance-and-immune-surveillance
#20
REVIEW
Peter P Ruvolo
Aberrant activation of signal transduction pathways can transform a normal cell to a malignant one and can impart survival properties that render cancer cells resistant to therapy. A diverse set of cascades have been implicated in various cancers including those mediated by serine/threonine kinases such RAS, PI3K/AKT, and PKC. Signal transduction is a dynamic process involving both "On" and "Off" switches. Activating mutations of RAS or PI3K can be viewed as the switch being stuck in the "On" position resulting in continued signaling by a survival and/or proliferation pathway...
December 2016: BBA Clinical
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