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https://www.readbyqxmd.com/read/29471559/-suturing-an-acute-acl-lesion-with-dynamic-intraligamentary-stabilisation
#1
Christoph Ihle, H Nakayama, Christoph Gonser, Ulrich Stöckle, Stefan Döbele, Steffen Schröter, Marc-Daniel Ahrend, Atesch Ateschrang
BACKGROUND: The established surgical technique for lesion of the anterior cruciate ligament (ACL) is reconstruction with an autologous tendon. However, patients after ACL-replacement have increased osteoarthritis rates. Possible explanations are persistent knee instability and the loss of the ACL's proprioceptive function. Therefore, surgeons have developed an alternative treatment to preserve the ACL by readapting femoral ACL lesions by temporary protective dynamic intraligamentary stabilisation (DIS)...
February 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29471436/antiandrogen-treatment-ameliorates-reproductive-and-metabolic-phenotypes-in-the-letrozole-induced-mouse-model-of-pcos
#2
Genevieve E Ryan, Shaddy Malik, Pamela L Mellon
Polycystic ovary syndrome (PCOS), the most common endocrinopathy in women of reproductive age, is characterized by hyperandrogenism, anovulation, and polycystic ovaries. Although its etiology is unknown, excess androgens are thought to be a critical factor driving the pathology of PCOS. We previously demonstrated that continuous exposure to the aromatase inhibitor letrozole (LET) in mice produces many hallmarks of PCOS, including elevated testosterone (T) and luteinizing hormone (LH), anovulation, and obesity...
February 19, 2018: Endocrinology
https://www.readbyqxmd.com/read/29471396/involvement-of-epigenetic-modifications-of-gabaergic-interneurons-in-basolateral-amygdala-in-anxiety-like-phenotype-of-prenatally-stressed-mice
#3
Chunting Zhu, Min Liang, Yingchun Li, Xuejiao Feng, Juan Hong, Rong Zhou
Background: Prenatal stress is considered a risk factor for anxiety disorder. Downregulation in the expression of GABAergic gene, that is, glutamic acid decarboxylase 67, associated with DNA methyltransferase overexpression in GABAergic neurons has been regarded as a characteristic component of anxiety disorder. Prenatal stress has an adverse effect on the development of the basolateral amygdala, which is a key region in anxiety regulation. The aim of this study is to analyze the possibility of epigenetic alterations of GABAergic neurons in the basolateral amygdala participating in prenatal stress-induced anxiety...
February 20, 2018: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29471246/effects-of-sunitinib-targeted-chemotherapy-on-the-osseointegration-of-titanium-implants
#4
Badr Al-Jandan, Hesham F Marei, Hatem Abuohashish, Osama Zakaria, Haytham Al-Mahalawy
Targeted chemotherapies are novel therapeutic approaches for many malignancies. In contrast to conventional chemotherapies, which are given for a predetermined duration, treatment with targeted chemotherapies like sunitinib is routinely continuous over longer periods, sometimes years. During this prolonged treatment period, patients may need to restore their missing teeth with dental implants. The aim of this study was to examine the effect of the anti-angiogenic substance sunitinib targeted chemotherapy on the osseointegration of titanium implants in a rabbit model...
February 19, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29471134/citrobacter-freundii-impairs-the-phosphoryl-transfer-network-in-the-gills-of-rhamdia-quelen-impairment-of-bioenergetics-homeostasis
#5
Matheus D Baldissera, Carine F Souza, Guerino B Junior, Karen Luise S Moreira, Marcelo L da Veiga, Maria Izabel U M da Rocha, Bernardo Baldisserotto
The precise coupling of spatially separated intracellular adenosine triphosphate (ATP)-producing and ATP-consuming, catalyzed by creatine kinase (CK), adenylate kinase (AK), and pyruvate kinase (PK), is a critical process in the bioenergetics of tissues with high energy demand, such as the branchial tissue. The effects of Citrobacter freundii infection on gills remain poorly understood, limited only to histopathological studies. Thus, the aim of this study was to evaluate whether experimental infection by C...
February 19, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29471104/cellular-senescence-as-a-therapeutic-target-to-improve-renal-transplantation-outcome
#6
REVIEW
Hester van Willigenburg, Peter L J de Keizer, Ron W F de Bruin
Kidney transplants from aged donors are more vulnerable to ischemic injury, suffer more from delayed graft function and have a lower graft survival compared to kidneys from younger donors. On a cellular level, aging results in an increase in cells that are in a permanent cell cycle arrest, termed senescence, which secrete a range of pro-inflammatory cytokines and growth factors. Consequently, these senescent cells negatively influence the local milieu by causing inflammaging, and by reducing the regenerative capacity of the kidney...
February 19, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29471090/structure-characterization-of-two-functional-polysaccharides-from-polygonum-multiflorum-and-its-immunomodulatory
#7
Qing Zhang, Yi Xu, Junjiang Lv, Mengxia Cheng, Ying Wu, Kun Cao, Xiaofeng Zhang, Xiuni Mou, Qi Fan
Two purified polysaccharides named WPMP-1 and WPMP-2 were obtained from Polygonum multiflorum with an average molecular weight of 2.04 kDa and 92.13 kDa, respectively. Structural characterization revealed that WPMP-1was supposed to be a glucan composed of 1,4-linked α-d-Glcp, 1,4,6-linked α-d-Glcp, and terminal α-d-Glcp. WPMP-2 contained a complex branched structre formed by 1,2-linked α-d-Rhap, 1,2,4-linked α-d-Rhap, 1,3,5-linked α-l-Ara, 1,5- linked α-l-Araf, terminal α-l-Araf, 1,4-linked β-d-Galp, 1,4-linked α-d-GalpA, and 4-linked α-d-GalpA...
February 19, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29471067/the-smell-of-renal-protection-against-chronic-kidney-disease-hydrogen-sulfide-offers-a-potential-stinky-remedy
#8
REVIEW
George J Dugbartey
Chronic kidney disease (CKD) is a common global health challenge characterized by irreversible pathological processes that reduce kidney function and culminates in development of end-stage renal disease. It is associated with increased morbidity and mortality in addition to increased caregiver burden and higher financial cost. A central player in CKD pathogenesis and progression is renal hypoxia. Renal hypoxia stimulates induction of oxidative and endoplasmic reticulum stress, inflammation and tubulointerstitial fibrosis, which in turn, promote cellular susceptibility and further aggravate hypoxia, thus forming a pathological vicious cycle in CKD progression...
October 19, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29471055/brain-insulin-signalling-glucose-metabolism-and-females-reproductive-aging-a-dangerous-triad-in-alzheimer-s-disease
#9
REVIEW
A I Duarte, M S Santos, C R Oliveira, P I Moreira
Alzheimer's disease (AD) constitutes a major socioeconomic challenge due to its disabling features and the rise in prevalence (especially among (peri)menopausal women and type 2 diabetes patients). The precise etiopathogenesis of AD remains poorly understood. Importantly, its neurodegenerative perspective has been challenged towards a more "systemic" view. Amyloid-β (Aβ) and hyperphosphorylated Tau protein (P-Tau) (the main AD neuropathological features) affect and are affected by peripheral and brain insulin signalling dysfunction, leading to glucose dysmetabolism, synaptic loss and AD-related cognitive deficits...
February 19, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29470992/control-of-cell-fraction-and-population-recovery-during-tissue-regeneration-in-stem-cell-lineages
#10
Marissa Renardy, Alexandra Jilkine, Leili Shahriyari, Ching-Shan Chou
Multicellular tissues are continually turning over, and homeostasis is maintained through regulated proliferation and differentiation of stem cells and progenitors. Following tissue injury, a dramatic increase in cell proliferation is commonly observed, resulting in rapid restoration of tissue size. This regulation is thought to occur via multiple feedback loops acting on cell self-renewal or differentiation. Models of ordinary differential equations have been widely used to study the cell lineage system. Prior modeling studies have suggested that loss of homeostasis and initiation of tumorigenesis can be contributed to the loss of control of these processes, and the rate of symmetric versus asymmetric division of the stem cells may also be altered...
February 19, 2018: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/29470977/the-unfolded-protein-response-in-ischemic-heart-disease
#11
REVIEW
Xiaoding Wang, Lin Xu, Thomas G Gillette, Xuejun Jiang, Zhao V Wang
Ischemic heart disease is a severe stress condition that causes extensive pathological alterations and triggers cardiac cell death. Accumulating evidence suggests that the unfolded protein response (UPR) is strongly induced by myocardial ischemia. The UPR is an evolutionarily conserved cellular response to cope with protein-folding stress, from yeast to mammals. Endoplasmic reticulum (ER) transmembrane sensors detect the accumulation of unfolded proteins and stimulate a signaling network to accommodate unfolded and misfolded proteins...
February 19, 2018: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29470845/electron-cryotomography-of-mycoplasma-pneumoniae-mutants-correlates-terminal-organelle-architectural-features-and-function
#12
Duncan C Krause, Songye Chen, Jian Shi, Ashley Jensen, Edward S Sheppard, Grant J Jensen
The Mycoplasma pneumoniae terminal organelle functions in adherence and gliding motility and is comprised of at least eleven substructures. We used electron cryotomography to correlate impaired gliding and adherence function with changes in architecture in diverse terminal organelle mutants. All eleven substructures were accounted for in the prkC, prpC, and P200 mutants, and variably so for the HMW3 mutant. Conversely, no terminal organelle substructures were evident in HMW1 and HMW2 mutants. The P41 mutant exhibits a terminal organelle detachment phenotype and lacked the bowl element normally present at the terminal organelle base...
February 22, 2018: Molecular Microbiology
https://www.readbyqxmd.com/read/29470824/turning-up-the-heat-an-evaluation-of-the-evidence-for-heating-to-promote-exercise-recovery-muscle-rehabilitation-and-adaptation
#13
REVIEW
Hamish McGorm, Llion A Roberts, Jeff S Coombes, Jonathan M Peake
Historically, heat has been used in various clinical and sports rehabilitation settings to treat soft tissue injuries. More recently, interest has emerged in using heat to pre-condition muscle against injury. The aim of this narrative review was to collate information on different types of heat therapy, explain the physiological rationale for heat therapy, and to summarise and evaluate the effects of heat therapy before, during and after muscle injury, immobilisation and strength training. Studies on skeletal muscle cells demonstrate that heat attenuates cellular damage and protein degradation (following in vitro challenges/insults to the cells)...
February 22, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29470713/health-related-quality-of-life-in-patients-undergoing-cervico-thoracic-osteotomies-for-fixed-cervico-thoracic-kyphosis-in-patients-with-ankylosing-spondylitis
#14
Silviu Sabou, Hossein Mehdian, Dritan Pasku, Luca Boriani, Nasir A Quraishi
PURPOSE: Ankylosing spondylitis (AS) can result in severe cervico-thoracic kyphotic deformity (CTKD). Few studies have addressed the relationship between cervico-thoracic osteotomies in AS and health-related quality of life scores. The aim of this study is to evaluate the impact of cervico-thoracic osteotomy (CTO) on improving quality of life for patients with fixed CTKD. METHODS: A database of all patients who underwent a CTO for CTKD in patients with AS was created...
February 22, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29470602/who-really-wants-an-ambitious-large-scale-restoration-of-the-seine-estuary-a-strategic-analysis-of-a-science-policy-interface-locked-in-a-stalemate
#15
Audrey Coreau, Jean-Baptiste Narcy, Sarah Lumbroso
The development of ecosystem knowledge is an essential condition for effective environmental management but using available knowledge to solve environmental controversies is still difficult in "real" situations. This paper explores the conditions under which ecological knowledge could contribute to the environmental strategies and actions of stakeholders at science-policy interface. Ecological restoration of the Seine estuary is an example of an environmental issue whose overall management has run into difficulties despite the production of a large amount of knowledge by a dedicated organization, GIP Seine Aval...
February 22, 2018: Environmental Management
https://www.readbyqxmd.com/read/29470592/-treatment-after-anatomical-and-inverse-shoulder-tep
#16
REVIEW
M Farkhondeh Fal, J Kircher
Shoulder arthroplasties in specialized centers are routine procedures with an increasing number of operations in the developed countries. Restoration of pain free shoulder function requires an intensive, specific and individual rehabilitation program for each patient. There is a phase-like course with different specific demands and measures that extends over a period of several weeks. Return to sport and a pain free function for activities of daily living resulting in a high patient satisfaction can routinely be expected...
February 22, 2018: Der Orthopäde
https://www.readbyqxmd.com/read/29470551/tph2-female-mice-restore-socio-sexual-recognition-through-upregulating-er%C3%AE-and-otr-genes-in-the-amygdala
#17
Ying Huo, Yaohua Zhang, Huifen Guo, Yingjuan Liu, Qi Fang, Jianxu Zhang
The central 5-hydroxytryptamine system impairs sociosexual behaviors and olfaction preferences in sexually naive mice. However, it remains unknown whether reproductive experiences impart an effect on the sexual olfactory preferences of female mice lacking central serotonin. Here, we aimed at examining such effects and the underlying mechanisms using Tph2 knockout female mice. Sexually naive Tph2-/- female mice failed to recognize olfactory cues regarding sex, genetic relatedness, and social hierarchy despite exhibiting normal olfactory discrimination...
2018: PloS One
https://www.readbyqxmd.com/read/29470535/body-configuration-at-first-stepping-foot-contact-predicts-backward-balance-recovery-capacity-in-people-with-chronic-stroke
#18
Digna de Kam, Jolanda M B Roelofs, Alexander C H Geurts, Vivian Weerdesteyn
OBJECTIVE: To determine the predictive value of leg and trunk inclination angles at stepping-foot contact for the capacity to recover from a backward balance perturbation with a single step in people after stroke. METHODS: Twenty-four chronic stroke survivors and 21 healthy controls were included in a cross-sectional study. We studied reactive stepping responses by subjecting participants to multidirectional stance perturbations at different intensities on a translating platform...
2018: PloS One
https://www.readbyqxmd.com/read/29470361/early-heterogenic-response-of-renal-microvasculature-to-hemorrhagic-shock-resuscitation-and-the-influence-of-nf-%C3%AE%C2%BAb-pathway-blockade
#19
Rui Yan, Matijs van Meurs, Eliane R Popa, Ranran Li, Peter J Zwiers, Jan G Zijlstra, Jill Moser, Grietje Molema
Hemorrhagic shock (HS) is associated with low blood pressure due to excessive loss of circulating blood and causes both macrocirculatory and microcirculatory dysfunction. Fluid resuscitation after HS is used in the clinic to restore tissue perfusion. The persistent microcirculatory damage caused by HS and/or resuscitation can result in multiple organ damage, with the kidney being one of the involved organs. The kidney microvasculature consists of different segments that possess a remarkable heterogeneity in functional properties...
February 21, 2018: Shock
https://www.readbyqxmd.com/read/29470276/anatomical-feasibility-of-extradural-transferring-s2-and-s3-ventral-roots-to-s1-ventral-root-for-restoring-neurogenic-bladder-in-spinal-cord-injury
#20
Kaixiang Yang, Hongtao Chen, Jian Tang, Dawei Ge, Sheng Zhang, Tao Sui, Xiaojian Cao
STUDY DESIGN: Anatomic study in 6 formalin-fixed cadavers. OBJECTIVE: To determine the anatomical feasibility of transferring the S2 and S3 ventral roots (VRs) to S1 VR as a method for restoring bladder dysfunction in spinal cord injury. SUMMARY OF BACKGROUND DATA: A large quantity of researches of neuroanastomosis methods have been used for treating the bladder dysfunction in spinal cord injury (SCI). However, some limitations retard the development of those studies...
February 21, 2018: Spine
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