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https://www.readbyqxmd.com/read/28927263/molecular-and-cellular-basis-of-neurodegeneration-in-alzheimer-s-disease
#1
Sangyun Jeong
The most common form of senile dementia is Alzheimer's disease (AD), which is characterized by the extracellular deposition of amyloid beta-peptide (Abeta) plaques and the intracellular formation of neurofibrillary tangles (NFTs) in the cerebral cortex. Tau abnormalities are commonly observed in many neurodegenerative diseases including AD, Parkinson's disease, and Pick's disease. Interestingly, tau-mediated formation of NFTs in AD brains shows better correlation with cognitive impairment than Abeta plaque accumulation; pathological tau alone is sufficient to elicit frontotemporal dementia, but it does not cause AD...
September 20, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28927249/gut-microbiota-obesity-and-metabolic-disorders
#2
Alessandro Federico, Marcello Dallio, Rosa DI Sarno, Valentina Giorgio, Luca Miele
Obesity, diabetes and metabolic disorders represent hugely significant problems concerning the health in Western countries and the study of gut microbiota in metabolic pathologies is part of this framework. Diet effects on intestinal microbial composition and its role in pathogenetic mechanisms responsible for both obesity and systemic, hepatic and adipose tissue inflammation, represent at the moment one of this mostpromising topic in gastroenterology research. Gut health safety is essential, but it needs to be further explored in order to understand and interrupt the pathogenetic mechanisms, which support a large number of diseases...
December 2017: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/28927213/ten-step-minimally-invasive-spine-lumbar-decompression-and-dural-repair-through-tubular-retractors
#3
Mohamed Abdelatif Boukebir, Connor David Berlin, Rodrigo Navarro-Ramirez, Tim Heiland, Karsten Schöller, Cameron Rawanduzy, Sertaç Kirnaz, Ajit Jada, Roger Härtl
BACKGROUND: Minimally invasive spine (MIS) surgery utilizing tubular retractors has become an increasingly popular approach for decompression in the lumbar spine. However, a better understanding of appropriate indications, efficacious surgical techniques, limitations, and complication management is required to effectively teach the procedure and to facilitate the learning curve. OBJECTIVE: To describe our experience and recommendations regarding tubular surgery for lumbar disc herniations, foraminal compression with unilateral radiculopathy, lumbar spinal stenosis, synovial cysts, and dural repair...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28926971/mini-review-the-contribution-of-intermediate-phenotypes-to-gxe-effects-on-disorders-of-body-composition-in-the-new-omics-era
#4
REVIEW
Edna J Nava-Gonzalez, Esther C Gallegos-Cabriales, Irene Leal-Berumen, Raul A Bastarrachea
Studies of gene-environment (GxE) interactions describe how genetic and environmental factors influence the risk of developing disease. Intermediate (molecular or clinical) phenotypes (IPs) are traits or metabolic biomarkers that mediate the effects of gene-environment influences on risk behaviors. Functional systems genomics discovery offers mechanistic insights into how DNA variations affect IPs in order to detect genetic causality for a given disease. Disorders of body composition include obesity (OB), Type 2 diabetes (T2D), and osteoporosis (OSTP)...
September 17, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28926890/-progress-of-molecular-subtypes-of-colorectal-cancer
#5
Z Y Chen, X Wang, T Wu, Y C Liu, P Y Wang
Colorectal cancer is one of the leading causes of morbidity and mortality around the world. Although the staging and classification systems, such as tumor/node/metastasis (TNM) staging, are widely used in clinic, there are some limitations. For example, the patients with the same pathological type, TNM stage and treatment regimen show a completely different prognosis and outcome. In the present, molecular subtyping was concerned for a more precise and accurate staging of colorectal cancer. Herein, we reviewed the literature of the molecular subtypes of colorectal cancer in the past decades...
September 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28926867/diabetes-associated-biobanking-more-topical-than-ever
#6
Katharina Lydia Kynast, Nadine Volk, Thomas Fleming, Esther Herpel
The increasing prevalence of diabetes and its accompanying long-term complications, as well as the associated economic burden, calls for a rapid clinical translation of biomedical research to better valid the physiological relevance of the findings from basic research. To meet this condition, the Collaborative Research Center (CRC) 1118 has established the first nationwide diabetes-specific Biomaterialbank (BMB) that permanently preserves solid and liquid specimen retro- and prospectively at the Institute of Pathology and Department of Endocrinology of the University Hospital Heidelberg...
September 19, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28926742/an-interpersonal-perspective-on-criterion-a-of-the-dsm-5-alternative-model-for-personality-disorders
#7
REVIEW
Aaron L Pincus
This paper links Criterion A of the Diagnostic and Statistical Manual of Mental Disorders-5th Edition Alternative Model for Personality Disorders with the contemporary interpersonal model of personality pathology. Advances in interpersonal theory and assessment are outlined to demonstrate that Criterion A's self (identity, self-direction) and interpersonal (empathy, intimacy) impairments are related to the interpersonal meta-constructs and agency and communion and are operationalized by perceptual, behavioral, and affective mechanisms of the interpersonal situation framework...
September 16, 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28926601/utility-of-abdominal-skin-plus-subcutaneous-fat-and-rectal-mucosal-biopsy-in-the-diagnosis-of-al-amyloidosis-with-renal-involvement
#8
Ting Li, Xianghua Huang, Shuiqin Cheng, Liang Zhao, Guisheng Ren, Wencui Chen, Qingwen Wang, Caihong Zeng, Zhihong Liu
OBJECTIVES: Skin fat biopsy of the abdominal wall is a simple and safe method for detecting amyloidosis, and rectal mucosal biopsy is also frequently used for screening for the disease; however, the sensitivity of these approaches has not been fully studied. The aim of this study was to evaluate the efficacy of skin fat biopsy combined with rectal mucosal biopsy as a screening procedure for the diagnosis of systemic immunoglobulin light-chain (AL) amyloidosis. METHODS: We retrospectively analyzed 224 AL amyloidosis patients confirmed by renal biopsy, including a test group of 165 patients and validation group of 59 patients...
2017: PloS One
https://www.readbyqxmd.com/read/28926471/role-of-fat-soluble-vitamins-in-osteoarthritis-management
#9
Xiao-Yan Zheng, Jun Liang, Yu-Sheng Li, Min Tu
Osteoarthritis (OA) is a chronic degenerative joint disease, in which metabolic imbalance in bone is observed. The pathological mechanism of metabolic imbalance is not clear yet, but the nutritional factors, particularly the vitamins, might be intrinsic to the development and progression of OA. In this review article, we have explored databases such as PubMed, Scopus, and Google Scholar articles until the beginning of 2017 and reviewed the role of fat-soluble vitamins in pathological and therapeutic aspects of OA...
September 19, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28926399/natural-killer-cells-in-hiv-1-infection-and-therapy
#10
Joanna Mikulak, Ferdinando Oriolo, Elisa Zaghi, Clara Di Vito, Domenico Mavilio
: Natural killer (NK) cells are important effectors of innate immunity playing a key role in the eradication and clearance of viral infections. Over the recent years, several studies have shown that HIV-1 pathologically changes NK cell homeostasis and hampers their antiviral effector functions. Moreover, high levels of chronic HIV-1 viremia markedly impair those NK cell regulatory features that normally regulate the cross-talks between innate and adaptive immune responses. These pathogenic events take place early in the infection and are associated with a pathologic redistribution of NK cell subsets that includes the expansion of anergic CD56 NK cells with an aberrant repertoire of activating and inhibitory receptors...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926093/pulmonary-hypertension-molecular-aspects-of-current-therapeutic-intervention-and-future-direction
#11
Taruna Katyal Arora, Amit KumarArora, Monika Katyal Sachdeva, Satyendra Kumar Rajput, Arun Kumar Sharma
Pulmonary hypertension (PH) is a life-threatening lung disorder with towering prevalence and risk for future has been gradually rising worldwide. Even, no specific medications are available for pulmonary hypertension; various classes of treatment based upon the origin and magnitude of hypertension are still used for the treatment of PH. Consideration of molecular or signaling modulation is the imperative approach that can offer a new notion for prevalent pharmacotherapeutic agents. Instead of concurrent targets, including endothelin receptor antagonists (ETA/ETB), phosphodiesterase 5 inhibitor (PDF-5), calcium channel blockers, anticoagulants, diuretics and long acting prostacyclin analogue, recent scientific reports revealed the numerous potential alternative therapeutic approaches that can significantly target the pathological signaling alteration associated with PH...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28926091/functional-role-of-mesenchymal-stem-cells-in-the-treatment-of-chronic-neurodegenerative-diseases
#12
Debora Lo Furno, Giuliana Mannino, Rosario Giuffrida
Mesenchymal stem cells (MSCs) can differentiate into not only cells of mesodermal lineages, but also into endodermal and ectodermal derived elements, including neurons and glial cells. For this reason, MSCs have been extensively investigated to develop cell-based therapeutic strategies, especially in pathologies whose pharmacological treatments give poor results, if any. As in the case of irreversible neurological disorders characterized by progressive neuronal death, in which behavioral and cognitive functions of patients inexorably decline as the disease progresses...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28925940/zebrafish-as-a-model-for-the-study-of-microvascular-complications-of-diabetes-and-their-mechanisms
#13
REVIEW
Karl Heckler, Jens Kroll
Diabetes mellitus (DM) is a crucial metabolic disease that leads to severe disorders. These include macrovascular complications such as myocardial infarction, stroke, and peripheral artery disease and microvascular complications including diabetic nephropathy, neuropathy, and retinopathy. Diabetes mellitus, along with its associated organ pathologies, is one of the key problems in today's medicine. Zebrafish is an upcoming disease model organism in diabetes research. Its glucose metabolism and the pathways of reactive metabolite formation are very similar to those of humans...
September 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28925903/regulation-of-clusterin-gene-expression
#14
Marilina Garcia-Aranda, Alfonso Serrano, Maximino Redondo
Clusterin is a multifunctional glycoprotein whose role in cells has generated a great controversy in recent years. Since its discovery, numerous studies have linked clusterin expression deregulation with various physio-pathological processes such as cancer or Alzheimer's disease. Although the results of such investigations have sometimes been contradictory, mainly due to the dichotomous role of clusterin isoforms, it has been demonstrated that this protein is involved in diverse cellular processes, including apoptosis, cell cycle regulation, DNA repair or the acquisition of cell resistance against multiple conventional therapies...
September 18, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28925106/myelin-development-plasticity-and-pathology-in-the-auditory-system
#15
REVIEW
Patrick Long, Guoqiang Wan, Michael T Roberts, Gabriel Corfas
Myelin allows for the rapid and precise timing of action potential propagation along neuronal circuits and is essential for healthy auditory system function. In this review we discuss what is currently known about myelin in the auditory system with a focus on the timing of myelination during auditory system development, the role of myelin in supporting peripheral and central auditory circuit function, and how various myelin pathologies compromise auditory information processing. Additionally, in keeping with the increasing recognition that myelin is dynamic and is influenced by experience throughout life, we review the growing evidence that auditory sensory deprivation alters myelin along specific segments of the brain's auditory circuit...
September 19, 2017: Developmental Neurobiology
https://www.readbyqxmd.com/read/28924548/remodeling-the-blood-brain-barrier-microenvironment-by-natural-products-for-brain-tumor-therapy
#16
REVIEW
Xiao Zhao, Rujing Chen, Mei Liu, Jianfang Feng, Jun Chen, Kaili Hu
Brain tumor incidence shows an upward trend in recent years; brain tumors account for 5% of adult tumors, while in children, this figure has increased to 70%. Moreover, 20%-30% of malignant tumors will eventually metastasize into the brain. Both benign and malignant tumors can cause an increase in intracranial pressure and brain tissue compression, leading to central nervous system (CNS) damage which endangers the patients' lives. Despite the many approaches to treating brain tumors and the progress that has been made, only modest gains in survival time of brain tumor patients have been achieved...
September 2017: Acta Pharmaceutica Sinica. B
https://www.readbyqxmd.com/read/28924528/near-fatal-gastrointestinal-hemorrhage-in-a-child-with-medulloblastoma-on-high-dose-dexamethasone
#17
Derek Yecies, Daniel Tawfik, Jennifer Damman, Chad Thorson, David S Hong, Gerald A Grant, Rachel Bensen, Mihaela Damian
A four-year-old female was admitted to a university-based children's hospital with a newly-diagnosed posterior fossa tumor. She was started on famotidine and high-dose dexamethasone and underwent gross total resection of a medulloblastoma. She was continued on dexamethasone and famotidine. She exhibited postoperative posterior fossa syndrome and was started on enteral feeds via the nasoduodenal tube. She had small gastrointestinal bleeds on postoperative days eight, 11, and 18, and was found to have a well-circumscribed posterior duodenal ulcer...
July 7, 2017: Curēus
https://www.readbyqxmd.com/read/28924382/linker-histone-in-diseases
#18
REVIEW
Xin Ye, ChuanLin Feng, Tian Gao, Guanqun Mu, Weiguo Zhu, Yang Yang
The linker histone is a protein that binds with the nucleosome, which is generally considered to achieve chromatin condensation in the nucleus. Accumulating evidences suggest that the linker histone is essential in the pathogenesis of several diseases. In this review, we briefly introduce the current knowledge of the linker histone, including its structure, characteristics and functions. Also, we move forward to present the advances of the linker histone's association with certain diseases, such as cancer, Alzheimer's disease, infection, male infertility and aberrant immunity situations, focusing on the alteration of the linker histone under certain pathological conditions and its role in developing each disease...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28923905/acute-coronary-syndromes-the-way-forward-from-mechanisms-to-precision-treatment
#19
REVIEW
Filippo Crea, Peter Libby
Well into the 21st century, we still triage acute myocardial infarction on the basis of the presence or absence of ST-segment elevation, a century-old technology. Meanwhile, we have learned a great deal about the pathophysiology and mechanisms of acute coronary syndromes (ACS) at the clinical, pathological, cellular, and molecular levels. Contemporary imaging studies have shed new light on the mechanisms of ACS. This review discusses these advances and their implications for clinical management of the ACS for the future...
September 19, 2017: Circulation
https://www.readbyqxmd.com/read/28923762/translating-basic-research-into-clinical-practice-vitamin-d-in-asthma-mechanisms-of-action-and-considerations-for-clinical-trials
#20
REVIEW
Paul E Pfeffer, Catherine M Hawrylowicz
There is increasing interest in the therapeutic utility of vitamin D in asthma, supported by a significant body of evidence on epidemiological associations between vitamin D insufficiency and worse asthma control. In support of a causal relationship, vitamin D beneficially modulates diverse immunological pathways in heterogeneous asthma endotypes, regulating the actions of lymphocytes, mast cells, antigen-presenting cells and structural cells to dampen excessive inflammatory responses. Allergic asthma is characterised by a failure of immune tolerance, and development of pathological responses to inhaled aeroallergens, and vitamin D has been extensively shown to support immune regulation...
September 15, 2017: Chest
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