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Journal of Clinical Medicine

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https://www.readbyqxmd.com/read/28708111/an-evaluation-of-ischaemic-preconditioning-as-a-method-of-reducing-ischaemia-reperfusion-injury-in-liver-surgery-and-transplantation
#1
REVIEW
Francis P Robertson, Barry J Fuller, Brian R Davidson
Liver Ischaemia Reperfusion (IR) injury is a major cause of post-operative liver dysfunction, morbidity and mortality following liver resection surgery and transplantation. There are no proven therapies for IR injury in clinical practice and new approaches are required. Ischaemic Preconditioning (IPC) can be applied in both a direct and remote fashion and has been shown to ameliorate IR injury in small animal models. Its translation into clinical practice has been difficult, primarily by a lack of knowledge regarding the dominant protective mechanisms that it employs...
July 14, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28708082/pathogenic-role-of-il-17-producing-immune-cells-in-obesity-and-related-inflammatory-diseases
#2
REVIEW
Marwa Chehimi, Hubert Vidal, Assia Eljaafari
Obesity is associated with low-grade chronic inflammation. Indeed, adipose tissues (AT) in obese individuals are the former site of progressive infiltration by pro-inflammatory immune cells, which together with increased inflammatory adipokine secretion induce adipocyte insulin resistance. IL-17-producing T (Th17) cells are part of obese AT infiltrating cells, and are likely to be promoted by adipose tissue-derived mesenchymal stem cells, as previously reported by our team. Whereas Th17 cell are physiologically implicated in the neutralization of fungal and bacterial pathogens through activation of neutrophils, they may also play a pivotal role in the onset and/or progression of chronic inflammatory diseases, or cancer, in which obesity is recognized as a risk factor...
July 14, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28698517/the-plasticity-of-th17-cells-in-the-pathogenesis-of-rheumatoid-arthritis
#3
REVIEW
Shigeru Kotake, Toru Yago, Tsuyoshi Kobashigawa, Yuki Nanke
Helper T (Th) cells play an important role in the pathogenesis of autoimmune diseases, including rheumatoid arthritis (RA). It has been revealed that Th17 cells can shift to Th1 cells (i.e., "nonclassic Th1 cells"), which are reported to be more pathogenic than Th17 cells per se. Thus, the association of Th cells in the pathogenesis of autoimmune disease has become more complicated. We recently reported using peripheral blood from untreated and early-onset RA patients that the ratio of CD161+Th1 cells (i.e...
July 10, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28686179/when-less-is-good-is-none-better-the-prognostic-and-therapeutic-significance-of-peri-transplant-minimal-residual-disease-assessment-in-pediatric-acute-lymphoblastic-leukemia
#4
REVIEW
Adam Lamble, Rachel Phelan, Michael Burke
The measurement of minimal residual disease (MRD) in pediatric acute lymphoblastic leukemia (ALL) has become the most important prognostic tool of, and the backbone to, upfront risk stratification. While MRD assessment is the standard of care for assessing response and predicting outcomes for pediatric patients with ALL receiving chemotherapy, its use in allogeneic hematopoietic stem cell transplant (HSCT) has been less clearly defined. Herein, we discuss the importance of MRD assessment during the peri-HSCT period and its role in prognostication and management...
July 7, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28678161/t-helper-17-cells-in-primary-sj%C3%A3-gren-s-syndrome
#5
REVIEW
Kiyoshi Matsui, Hajime Sano
Primary Sjögren's syndrome is an autoimmune disease characterized by diffuse infiltration of lymphocytes into exocrine glands and other tissues. The infiltrating lymphocytes have been identified as subsets of B cells and T cells, including T helper 17 cells, T regulatory cells and follicular helper T cells. The role of these cells in the development of the syndrome is now known, as is their impact on the production of proinflammatory cytokines such as IL-6, IL-17, IL-22 and IL-23. In particular, experimental animal models and patients suggest that a shift in Th17/Treg balance toward the proinflammatory Th17 axis exacerbates primary Sjögren's syndrome and other autoimmune disorders...
July 5, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28677615/myopathology-of-adult-and-paediatric-mitochondrial-diseases
#6
REVIEW
Rahul Phadke
Mitochondria are dynamic organelles ubiquitously present in nucleated eukaryotic cells, subserving multiple metabolic functions, including cellular ATP generation by oxidative phosphorylation (OXPHOS). The OXPHOS machinery comprises five transmembrane respiratory chain enzyme complexes (RC). Defective OXPHOS gives rise to mitochondrial diseases (mtD). The incredible phenotypic and genetic diversity of mtD can be attributed at least in part to the RC dual genetic control (nuclear DNA (nDNA) and mitochondrial DNA (mtDNA)) and the complex interaction between the two genomes...
July 4, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28672826/pathophysiology-of-hemophilic-arthropathy
#7
REVIEW
Daniela Melchiorre, Mirko Manetti, Marco Matucci-Cerinic
Spontaneous joint bleeding and repeated hemarthroses lead to hemophilic arthropathy-a debilitating disease with a significant negative impact on mobility and quality of life. Iron, cytokines, and angiogenic growth factors play a pivotal role in the onset of the inflammatory process that involves the synovial tissue, articular cartilage, and subchondral bone, with early damages and molecular changes determining the perpetuation of a chronic inflammatory condition. Synovitis is one of the earliest complications of hemarthrosis, and is characterized by synovial hypertrophy, migration of inflammatory cells, and a high degree of neo-angiogenesis with subsequent bleeding...
June 25, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28617305/fibrotic-hypersensitivity-pneumonitis-key-issues-in-diagnosis-and-management
#8
REVIEW
Vasileios Kouranos, Joseph Jacob, Andrew Nicholson, Elizabetta Renzoni
The diagnosis of hypersensitivity pneumonitis (HP) relies on the clinical evaluation of a number of features, including a history of significant exposure to potentially causative antigens, physical examination, chest CT scan appearances, bronchoalveolar lavage lymphocytosis, and, in selected cases, histology. The presence of fibrosis is associated with higher morbidity and mortality. Differentiating fibrotic HP from the idiopathic interstitial pneumonias can be a challenge. Furthermore, even in the context of a clear diagnosis of fibrotic HP, the disease behaviour can parallel that of idiopathic pulmonary fibrosis in a subgroup, with inexorable progression despite treatment...
June 15, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28598381/renin-inhibition-with-aliskiren-a-decade-of-clinical-experience
#9
REVIEW
Nikolaos-Dimitrios Pantzaris, Evangelos Karanikolas, Konstantinos Tsiotsios, Dimitrios Velissaris
The renin-angiotensin-aldosterone system (RAAS) plays a key role in the pathophysiology of arterial hypertension as well as in more complex mechanisms of cardiovascular and renal diseases. RAAS-blocking agents like angiotensin-converting enzyme (ACE) inhibitors and angiotensin II receptor blockers, have long been key components in the treatment of essential hypertension, heart failure, diabetic nephropathy, and chronic kidney disease, showing benefits well beyond blood pressure reduction. Renin blockade as the first step of the RAAS cascade finally became possible in 2007 with the approval of aliskiren, the first orally active direct renin inhibitor available for clinical use and the newest antihypertensive agent on the market...
June 9, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28598361/social-factors-determine-the-emergency-medical-admission-workload
#10
Seán Cournane, Richard Conway, Declan Byrne, Deirdre O'Riordan, Seamus Coveney, Bernard Silke
We related social factors with the annual rate of emergency medical admissions using census small area statistics. All emergency medical admissions (70,543 episodes in 33,343 patients) within the catchment area of St. James's Hospital, Dublin, were examined between 2002 and 2016. Deprivation Index, Single-Parent status, Educational level and Unemployment rates were regressed against admission rates. High deprivation areas had an approximately fourfold (Incidence Rate Ratio (IRR) 4.0 (3.96, 4.12)) increase in annual admission rate incidence/1000 population from Quintile 1(Q1), from 9...
June 9, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28598360/role-of-gut-microbiota-in-rheumatoid-arthritis
#11
REVIEW
Yuichi Maeda, Kiyoshi Takeda
Rheumatoid arthritis (RA) is a systemic autoimmune disease, caused by both genetic and environmental factors. Recently, investigators have focused on the gut microbiota, which is thought to be an environmental agent affecting the development of RA. Here we review the evidence from animal and human studies that supports the role of the gut microbiota in RA. We and others have demonstrated that the abundance of Prevotella copri is increased in some early RA. We have also used gnotobiotic experiments to show that dysbiosis in RA patients contributed to the development of Th17 cell-dependent arthritis in intestinal microbiota-humanized SKG mice...
June 9, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28594349/an-effective-versatile-and-inexpensive-device-for-oxygen-uptake-measurement
#12
Paule Bénit, Dominique Chrétien, Mathieu Porceddu, Constantin Yanicostas, Malgorzata Rak, Pierre Rustin
In the last ten years, the use of fluorescent probes developed to measure oxygen has resulted in several marketed devices, some unreasonably expensive and with little flexibility. We have explored the use of the effective, versatile, and inexpensive Redflash technology to determine oxygen uptake by a number of different biological samples using various layouts. This technology relies on the use of an optic fiber equipped at its tip with a membrane coated with a fluorescent dye (www.pyro-science.com). This oxygen-sensitive dye uses red light excitation and lifetime detection in the near infrared...
June 8, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28587190/minimal-residual-disease-in-acute-myeloid-leukemia-still-a-work-in-progress
#13
REVIEW
Federico Mosna, Debora Capelli, Michele Gottardi
Minimal residual disease evaluation refers to a series of molecular and immunophenotypical techniques aimed at detecting submicroscopic disease after therapy. As such, its application in acute myeloid leukemia has greatly increased our ability to quantify treatment response, and to determine the chemosensitivity of the disease, as the final product of the drug schedule, dose intensity, biodistribution, and the pharmakogenetic profile of the patient. There is now consistent evidence for the prognostic power of minimal residual disease evaluation in acute myeloid leukemia, which is complementary to the baseline prognostic assessment of the disease...
June 3, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28587136/use-of-the-ketogenic-diet-to-treat-intractable-epilepsy-in-mitochondrial-disorders
#14
REVIEW
Eleni Paleologou, Naila Ismayilova, Maria Kinali
Mitochondrial disorders are a clinically heterogeneous group of disorders that are caused by defects in the respiratory chain, the metabolic pathway of the adenosine tri-phosphate (ATP) production system. Epilepsy is a common and important feature of these disorders and its management can be challenging. Epileptic seizures in the context of mitochondrial disease are usually treated with conventional anti-epileptic medication, apart from valproic acid. However, in accordance with the treatment of intractable epilepsy where there are limited treatment options, the ketogenic diet (KD) has been considered as an alternative therapy...
May 26, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28531131/the-role-of-interleukin-18-oxidative-stress-and-metabolic-syndrome-in-alzheimer-s-disease
#15
REVIEW
Johanna O Ojala, Elina M Sutinen
The role of interleukins (ILs) and oxidative stress (OS) in precipitating neurodegenerative diseases including sporadic Alzheimer's disease (AD), requires further clarification. In addition to neuropathological hallmarks-extracellular neuritic amyloid-β (Aβ) plaques, neurofibrillary tangles (NFT) containing hyperphosphorylated tau and neuronal loss-chronic inflammation, as well as oxidative and excitotoxic damage, are present in the AD brain. The pathological sequelae and the interaction of these events during the course of AD need further investigation...
May 21, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28534860/hemophilia-care-in-the-pediatric-age
#16
REVIEW
Marta Bertamino, Francesca Riccardi, Laura Banov, Johanna Svahn, Angelo Claudio Molinari
Hemophilia is the most common of the severe bleeding disorders and if not properly managed since early infancy can lead to chronic disease and lifelong disabilities. However, it enjoys the most efficacious and safe treatment among the most prevalent monogenic disorders. Hemophilia should be considered in the neonatal period in the case of unusual bleeding or in the case of positive family history. Later, hemophilia should be suspected mainly in males because of abnormal bruising/bleeding or unusual bleeding following invasive procedures-for example, tonsillectomy or circumcision...
May 19, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28534817/the-soft-and-hard-heartedness-of-cardiac-fibroblasts-mechanotransduction-signaling-pathways-in-fibrosis-of-the-heart
#17
REVIEW
Kate M Herum, Ida G Lunde, Andrew D McCulloch, Geir Christensen
Cardiac fibrosis, the excessive accumulation of extracellular matrix (ECM), remains an unresolved problem in most forms of heart disease. In order to be successful in preventing, attenuating or reversing cardiac fibrosis, it is essential to understand the processes leading to ECM production and accumulation. Cardiac fibroblasts are the main producers of cardiac ECM, and harbor great phenotypic plasticity. They are activated by the disease-associated changes in mechanical properties of the heart, including stretch and increased tissue stiffness...
May 19, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28475111/riboflavin-responsive-mitochondrial-dysfunction-in-neurodegenerative-diseases
#18
REVIEW
Tamilarasan Udhayabanu, Andreea Manole, Mohan Rajeshwari, Perumal Varalakshmi, Henry Houlden, Balasubramaniem Ashokkumar
Mitochondria are the repository for various metabolites involved in diverse energy-generating processes, like the TCA cycle, oxidative phosphorylation, and metabolism of amino acids, fatty acids, and nucleotides, which rely significantly on flavoenzymes, such as oxidases, reductases, and dehydrogenases. Flavoenzymes are functionally dependent on biologically active flavin adenine dinucleotide (FAD) or flavin mononucleotide (FMN), which are derived from the dietary component riboflavin, a water soluble vitamin...
May 5, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28471413/role-of-autoantibodies-in-the-diagnosis-of-connective-tissue-disease-ild-ctd-ild-and-interstitial-pneumonia-with-autoimmune-features-ipaf
#19
REVIEW
Adelle S Jee, Stephen Adelstein, Jane Bleasel, Gregory J Keir, MaiAnh Nguyen, Joanne Sahhar, Peter Youssef, Tamera J Corte
The diagnosis of interstitial lung disease (ILD) requires meticulous evaluation for an underlying connective tissue disease (CTD), with major implications for prognosis and management. CTD associated ILD (CTD-ILD) occurs most commonly in the context of an established CTD, but can be the first and/or only manifestation of an occult CTD or occur in patients who have features suggestive of an autoimmune process, but not meeting diagnostic criteria for a defined CTD-recently defined as "interstitial pneumonia with autoimmune features" (IPAF)...
May 4, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28467362/glutathione-as-a-redox-biomarker-in-mitochondrial-disease-implications-for-therapy
#20
REVIEW
Gregory M Enns, Tina M Cowan
Technical advances in the ability to measure mitochondrial dysfunction are providing new insights into mitochondrial disease pathogenesis, along with new tools to objectively evaluate the clinical status of mitochondrial disease patients. Glutathione (l-ϒ-glutamyl-l-cysteinylglycine) is the most abundant intracellular thiol, and the intracellular redox state, as reflected by levels of oxidized (GSSG) and reduced (GSH) glutathione, as well as the GSH/GSSG ratio, is considered to be an important indication of cellular health...
May 3, 2017: Journal of Clinical Medicine
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