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stress related neuropathy

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https://www.readbyqxmd.com/read/29332119/autofluorescence-of-skin-advanced-glycation-end-products-as-a-risk-factor-for-open-angle-glaucoma-the-alienor-study
#1
Cedric Schweitzer, Audrey Cougnard-Gregoire, Vincent Rigalleau, Jean-Francois Dartigues, Florence Malet, Marie-Benedicte Rougier, Marie-Noelle Delyfer, Catherine Helmer, Jean-Francois Korobelnik, Cecile Delcourt
Purpose: To analyze the association between skin autofluorescence (sAF), estimating tissue accumulation of advanced glycation end-products (AGEs), and open angle glaucoma (OAG) in an elderly population. Methods: The Antioxydants, Lipides Essentiels, Nutrition and maladies OculaiRes (ALIENOR) study is an on-going epidemiologic population-based study on age-related eye diseases. In 2009 to 2010, 624 subjects, aged 74 years or older, were recruited. All subjects underwent a complete eye examination, including optic disc color photography and spectral-domain optical coherence tomography (SD-OCT) examination...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29317203/alpha-mangostin-attenuates-diabetic-nephropathy-in-association-with-suppression-of-acid-sphingomyelianse-and-endoplasmic-reticulum-stress
#2
Tingting Liu, Wang Duan, Paul Nizigiyimana, Lin Gao, Zhouning Liao, Boya Xu, Lerong Liu, Minxiang Lei
AIMS: Diabetic nephropathy is a common complication of diabetes, but there are currently few treatment options. The aim of this study was to gain insight into the effect of alpha-mangostin on diabetic nephropathy and possible related mechanisms. METHODS: Goto-Kakizaki rats were used as a diabetic model and received alpha-mangostin or desipramine treatment with normal saline as a control. Ten age-matched Sprague Dawley rats were used as normal controls and treated with normal saline...
January 6, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29276736/maternal-separation-stress-leads-to-resilience-against-neuropathic-pain-in-adulthood
#3
Julien Genty, Milène Tetsi Nomigni, Fernand Anton, Ulrike Hanesch
Early life stress (ELS) leads to a permanent reprogramming of biochemical stress response cascades that may also be relevant for the processing of chronic pain states such as neuropathy. Despite clinical evidence, little is known about ELS-related vulnerability for neuropathic pain and the possibly underlying etiology. In the framework of experimental studies aimed at investigating the respective relationships we used the established ELS model of maternal separation (MS). Rat dams and neonates were separated for 3 h/day from post-natal day 2-12...
February 2018: Neurobiology of Stress
https://www.readbyqxmd.com/read/29216795/oxidative-stress-and-prolidase-enzyme-activity-in-the-pathogenesis-of-primary-varicose-veins
#4
İlker Akar, İlker İnce, Cemal Aslan, İsmail Benli, Osman Demir, Nuray Altındeger, Abdullah Dogan, Mehmet Ceber
Objectives Vascular endothelial dysfunction leads to the emerging of free oxygen radicals, deficiency of antioxidant system, forming of oxidative stress, inflammatory processes and release of proinflammatory cytokines. These things play big role in the development of primary varicose veins. Prolidase has been reported as an indicator of oxidative stress in diabetes, diabetic neuropathy, non-ulcerous dyspepsia, osteoporosis, polycystic over syndrome and many other diseases. The aim of this study is to evaluate the oxidative stress at venous insufficiency and to provide preliminary knowledge about the role of prolidase enzyme in varicose vein formation...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/29209435/diseases-potentially-related-to-flammer-syndrome
#5
REVIEW
Katarzyna Konieczka, Carl Erb
Flammer syndrome (FS) is a prevalent and mostly benign condition. Subjects with FS seem to have a good life expectancy. Nevertheless, FS subjects are at increased risk for certain diseases, mainly when they are challenged by psychological stress or other stimuli such as coldness. FS is related to ocular diseases, such as normal-tension glaucoma, retinitis pigmentosa, central serous chorioretinopathy, optic nerve compartment syndrome, Leber's hereditary optic neuropathy, arterial or venous occlusions in the retina, and choroid and optic nerve head, despite the absence of classical vascular risk factors...
December 2017: EPMA Journal
https://www.readbyqxmd.com/read/29159795/impact-of-chemotherapy-induced-neurotoxicities-on-adult-cancer-survivors-symptom-burden-and-quality-of-life
#6
Christine Miaskowski, Judy Mastick, Steven M Paul, Gary Abrams, Steven Cheung, Jennifer Henderson Sabes, Kord M Kober, Mark Schumacher, Yvette P Conley, Kimberly Topp, Betty Smoot, Grace Mausisa, Melissa Mazor, Margaret Wallhagen, Jon D Levine
PURPOSE: Limited information is available on the impact of chemotherapy (CTX)-induced neurotoxicity on adult survivors' symptom experience and quality of life (QOL). Purposes were to describe occurrence of hearing loss and tinnitus and evaluate for differences in phenotypic characteristics and measures of sensation, balance, perceived stress, symptom burden, and QOL between survivors who received neurotoxic CTX and did (i.e., neurotoxicity group) and did not (i.e., no neurotoxicity group) develop neurotoxicity...
November 20, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/29121913/predicting-health-related-quality-of-life-in-cancer-patients-receiving-chemotherapy-a-structural-equation-approach-using-the-self-control-model
#7
Yu-Ri Park, Eun-Young Park, Jung-Hee Kim
BACKGROUND: According to the self-control model, self-control works as a protective factor and a psychological resource. Although an understanding of the effect(s) of peripheral neuropathy on quality of life is important to healthcare professionals, previous studies do not facilitate broad comprehension in this regard. The purpose of this cross-sectional study was to test the multidimensional assumptions of quality of life of patients with cancer, with focus on their self-control. METHODS: A structural equation model was tested on patients with cancer at the oncology clinic of a university hospital where patients received chemotherapy...
November 9, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/29107469/diseases-of-the-retina-and-the-optic-nerve-associated-with-obstructive-sleep-apnea
#8
REVIEW
Marielle Mentek, Florent Aptel, Diane Godin-Ribuot, Renaud Tamisier, Jean-Louis Pepin, Christophe Chiquet
Many associations between ocular disorders and obstructive sleep apnea (OSA) have been studied, such as nonarteritic anterior ischemic optic neuropathy, glaucoma, papilledema, retinal vein occlusion, eyelid hyperlaxity, lower-eyelid ectropion and recurrent corneal erosions. The objective of this review is to synthetize the possible vascular disorders of the retina and the optic nerve associated with sleep apnea patients and to discuss the underlying pathophysiological hypotheses. Main mechanisms involved in the ocular complications of OSA are related to intermittent hypoxia, sympathetic system activation, oxidant stress, and deleterious effects of endothelin 1...
May 29, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/29081883/diabetes-related-induction-of-the-heme-oxygenase-system-and-enhanced-colocalization-of-heme-oxygenase-1-and-2-with-neuronal-nitric-oxide-synthase-in-myenteric-neurons-of-different-intestinal-segments
#9
Lalitha Chandrakumar, Mária Bagyánszki, Zita Szalai, Diána Mezei, Nikolett Bódi
Increase in hyperglycaemia-induced oxidative stress and decreased effectiveness of endogenous defense mechanisms plays an essential role in the initiation of diabetes-related neuropathy. We demonstrated that nitrergic myenteric neurons display different susceptibilities to diabetic damage in different gut segments. Therefore, we aim to reveal the gut segment-specific differences in the expression of heme oxygenase (HO) isoforms and the colocalization of these antioxidants with neuronal nitric oxide synthase (nNOS) in myenteric neurons...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29061384/motoneuron-degeneration-in-the-trigeminal-motor-nucleus-innervating-the-masseter-muscle-in-dystonia-musculorum-mice
#10
M Ibrahim Hossain, Masao Horie, Nozomu Yoshioka, Masayuki Kurose, Kensuke Yamamura, Hirohide Takebayashi
Dystonia musculorum (dt) mice, which have a mutation in the Dystonin (Dst) gene, are used as animal models to investigate the human disease known as hereditary sensory and autonomic neuropathy type VI. Massive neuronal cell death is observed, mainly in the peripheral nervous system (PNS) of dt mice. We and others have recently reported a histopathological feature of these mice that neurofilament (NF) accumulates in various areas of the central nervous system (CNS), including motor pathways. Although dt mice show motor disorder and growth retardation, the causes for these are still unknown...
October 20, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/29052096/life-paths-of-patients-with-transthyretin-related-familial-amyloid-polyneuropathy-val30met-a-descriptive-study
#11
Alice Lopes, Alexandra Sousa, Isabel Fonseca, Margarida Branco, Carla Rodrigues, Teresa Coelho, Jorge Sequeiros, Paula Freitas
Transthyretin-related familial amyloid polyneuropathy Val30Met is a fatal progressive disease. It is a rare hereditary amyloidosis, manifesting as a sensorimotor neuropathy and autonomic dysfunction. It begins during adulthood and is a disabling disease, posing a great psychological burden to patients and their families. Our aim was to describe and characterize life events related to the disease and discuss its psychosocial implications. Social and demographic data and a questionnaire on history of family and personal disease, and biographic events, were applied to 209 subjects attending an outpatient specialized clinic...
October 19, 2017: Journal of Community Genetics
https://www.readbyqxmd.com/read/29048431/hspb1-facilitates-erk-mediated-phosphorylation-and-degradation-of-bim-to-attenuate-endoplasmic-reticulum-stress-induced-apoptosis
#12
Donna Kennedy, Katarzyna Mnich, Deepu Oommen, Reka Chakravarthy, Leonardo Almeida-Souza, Michiel Krols, Svetlana Saveljeva, Karen Doyle, Sanjeev Gupta, Vincent Timmerman, Sophie Janssens, Adrienne M Gorman, Afshin Samali
BIM, a pro-apoptotic BH3-only protein, is a key regulator of the intrinsic (or mitochondrial) apoptosis pathway. Here, we show that BIM induction by endoplasmic reticulum (ER) stress is suppressed in rat PC12 cells overexpressing heat shock protein B1 (HSPB1 or HSP27) and that this is due to enhanced proteasomal degradation of BIM. HSPB1 and BIM form a complex that immunoprecipitates with p-ERK1/2. We found that HSPB1-mediated proteasomal degradation of BIM is dependent on MEK-ERK signaling. Other studies have shown that several missense mutations in HSPB1 cause the peripheral neuropathy, Charcot-Marie-Tooth (CMT) disease, which is associated with nerve degeneration...
August 31, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29026155/trk-fused-gene-tfg-regulates-pancreatic-%C3%AE-cell-mass-and-insulin-secretory-activity
#13
Takeshi Yamamotoya, Yusuke Nakatsu, Akifumi Kushiyama, Yasuka Matsunaga, Koji Ueda, Yuki Inoue, Masa-Ki Inoue, Hideyuki Sakoda, Midori Fujishiro, Hiraku Ono, Hiroshi Kiyonari, Hisamitsu Ishihara, Tomoichiro Asano
The Trk-fused gene (TFG) is reportedly involved in the process of COPII-mediated vesicle transport and missense mutations in TFG cause several neurodegenerative diseases including hereditary motor and sensory neuropathy with proximal dominant involvement (HMSN-P). The high coincidence ratio between HMSN-P and diabetes mellitus suggests TFG to have an important role(s) in glucose homeostasis. To examine this possibility, β-cell specific TFG knockout mice (βTFG KO) were generated. Interestingly, βTFG KO displayed marked glucose intolerance with reduced insulin secretion...
October 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28936366/constitutive-and-stress-induced-expression-of-ccl5-machinery-in-rodent-retina
#14
D'Anne S Duncan, William M McLaughlin, Noah Vasilakes, Franklin D Echevarria, Cathryn R Formichella, Rebecca M Sappington
Signaling by inflammatory cytokines and chemokines is associated with neurodegeneration in disease and injury. Here we examined expression of the β-chemokine CCL5 and its receptors in the mouse retina and evaluated its relevance in glaucoma, a common optic neuropathy associated with sensitivity to intraocular pressure (IOP). Using quantitative PCR, fluorescent in situ hybridization, immunohistochemistry and quantitative image analysis, we found CCL5 mRNA and protein was constitutively expressed in the inner retina and synaptic layers...
June 2017: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/28893413/fish-oil-emulsion-supplementation-might-improve-quality-of-life-of-diabetic-patients-due-to-its-antioxidant-and-anti-inflammatory-properties
#15
Lucia Laubertová, Katarína Koňariková, Helena Gbelcová, Zdeňka Ďuračková, Jana Muchová, Iveta Garaiova, Ingrid Žitňanová
Diabetes-related complications, including cardiovascular disease, retinopathy, nephropathy, and neuropathy, are a significant cause of increased morbidity and mortality among people with diabetes. Previous studies have confirmed that hyperglycemia has pro-oxidative and proinflammatory properties which cause diabetic complications. We hypothesized that supplementation of fish oil emulsion (FOE), rich in omega-3 polyunsaturated fatty acids, to diabetic patients might reduce hyperglycemia-induced pathological changes due to specific properties of FOE...
August 3, 2017: Nutrition Research
https://www.readbyqxmd.com/read/28874161/altered-semmes-weinstein-monofilament-test-results-are-associated-with-oxidative-stress-markers-in-type-2-diabetic-subjects
#16
Sergio Martinez-Hervás, Mercedes Molina Mendez, José Folgado, Carmen Tormos, Pilar Ascaso, Marta Peiró, Jose T Real, Juan F Ascaso
BACKGROUND: Different lines of evidence suggest that oxidative stress (OS) is implicated in the pathogenesis of diabetic neuropathy. The Semmes-Weinstein monofilament (SWM) test is an efficient tool for evaluating diabetic polyneuropathy and diabetic foot. In this study, we analyzed the association between OS markers and altered SWM test results in type 2 diabetes (T2DM) patients. METHODS: Seventy T2DM patients were studied and 34 showed altered SWM results. The clinical and biochemical parameters were determined using standardized methods...
September 6, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28795009/evaluation-and-management-of-shoulder-pain-in-skeletally-immature-athletes
#17
REVIEW
Dilip R Patel, Stephen Breisach
Shoulder pain in young athletes generally is a result of poor sports technique and overuse. A number intrinsic causes of shoulder pain have been identified. Pain may also be referred to shoulder area from cervical spine, neck and chest pathology. Overuse stress injury of the proximal humeral physis is important to recognize early in order to prevent later complications. Shoulder impingement syndrome is a general term used to describe multiple underlying lesions and relatively uncommon in young athletes. In adolescent athletes, glenohumeral instability is an important underlying pathomechanical basis for shoulder pain...
July 2017: Translational Pediatrics
https://www.readbyqxmd.com/read/28762104/ngf-attenuates-high-glucose-induced-er-stress-preventing-schwann-cell-apoptosis-by-activating-the-pi3k-akt-gsk3%C3%AE-and-erk1-2-pathways
#18
Rui Li, Yanqing Wu, Shuang Zou, Xiaofang Wang, Yiyang Li, Ke Xu, Fanghua Gong, Yanlong Liu, Jian Wang, Yi Liao, Xiaokun Li, Jian Xiao
Diabetic peripheral neuropathy (DPN) is one of the most common and troublesome complications of diabetes mellitus. It has been demonstrated that nerve growth factor (NGF) exerts a pivotal role in the regulation of neuronal growth and the promotion of DPN recovery. However, the exact molecular mechanisms are not well understood. Recent studies have indicated that as a novel therapeutic target, endoplasmic reticulum (ER) stress participates in the onset and progression of DPN. In the present study, it has been demonstrated that NGF prevents the sciatic nerve from degeneration and demyelination in DPN rats...
November 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28734998/oxidative-stress-with-tau-hyperphosphorylation-in-memory-impaired-1-2-diacetylbenzene-treated-mice
#19
Sin-Woo Kang, Sung Jin Kim, Min-Sun Kim
Long-term exposure to organic solvent may be related to the incidence of neuronal diseases, such as, Alzheimer's disease, depression, multiple sclerosis, dementia, Parkinson's disease. Previously, the authors reported 1,2-diacetylbenzene (DAB; a neurotoxic metabolite of 1,2-diethylbenzene) causes central and peripheral neuropathies that lead to motor neuronal deficits. Furthermore, it is known DAB increases oxidative stress and protein adduct levels and impairs hippocampal neurogenesis in mice. The authors examined the relevance of oxidative stress and tau hyperphosphorylation in the hippocampus...
September 5, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28733114/targeting-heat-shock-factor-1-as-an-antiviral-strategy-against-dengue-virus-replication-in%C3%A2-vitro-and-in%C3%A2-vivo
#20
Tsung-Ting Tsai, Chia-Ling Chen, Cheng-Chieh Tsai, Chiou-Feng Lin
Fever onset is correlated with viremia in dengue virus (DENV) patients. Heat shock factor 1 (HSF1), a heat stress response host transcription factor, plays a crucial role in regulating multiple cellular functions, as well as the onset of infectious diseases. This study evaluated the role of HSF1 in DENV replication as a means of regulating DENV infection in vitro and in vivo. DENV infection activated HSF1 in both Ca(2+) and protein kinase A-dependent manners. Inhibiting HSF1 effectively reduced DENV replication, not only in THP-1 cells but also in primary human monocytes...
July 18, 2017: Antiviral Research
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