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Muscle injury treatment

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https://www.readbyqxmd.com/read/28210912/inhibitory-effects-of-emodin-thymol-and-astragalin-on-leptospira-interrogans-induced-inflammatory-response-in-the-uterine-and-endometrium-epithelial-cells-of-mice
#1
Wenlong Zhang, Xiaojie Lu, Wei Wang, Zhuang Ding, Yunhe Fu, Xiaofei Zhou, Naisheng Zhang, Yongguo Cao
Leptospirosis is a systemic infection that causes, among others, acute kidney injury, acute liver disease, muscle pain, vasculitis, bleeding disorders, and reproductive loss. In an effort to reduce uterine inflammatory responses induced by Leptospira, we evaluated the anti-inflammation effects of emodin, thymol, and astragalin in a mouse model. Our results showed that treatment with emodin, thymol, and astragalin alleviated uterine inflammation induced by leptospira infection via suppression of pro-inflammatory cytokine expression and prevented tissue damage...
February 16, 2017: Inflammation
https://www.readbyqxmd.com/read/28210651/analysis-of-platelet-rich-plasma-extraction-variations-in-platelet-and-blood-components-between-4-common-commercial-kits
#2
Jane Fitzpatrick, Max K Bulsara, Paul Robert McCrory, Martin D Richardson, Ming Hao Zheng
BACKGROUND: Platelet-rich plasma (PRP) has been extensively used as a treatment in tissue healing in tendinopathy, muscle injury, and osteoarthritis. However, there is variation in methods of extraction, and this produces different types of PRP. PURPOSE: To determine the composition of PRP obtained from 4 commercial separation kits, which would allow assessment of current classification systems used in cross-study comparisons. STUDY DESIGN: Controlled laboratory study...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28209382/err%C3%AE-a-junior-orphan-with-a-senior-role-in-metabolism
#3
REVIEW
Jagannath Misra, Don-Kyu Kim, Hueng-Sik Choi
Estrogen-related receptor (ERR)γ is an orphan nuclear hormone receptor that belongs to the ERR subfamily of transcription factors. No endogenous ligand has been identified to date. ERRγ possesses ligand-independent transcriptional activity that is regulated by co-regulator interactions, and post-translational modifications (PTMs). Recent data from animal models have established ERRγ as a crucial mediator of multiple endocrine and metabolic signals. ERRγ plays important roles in pathological conditions such as insulin resistance, alcoholic liver injury, and cardiac hypertrophy, and controls energy metabolism in the heart, skeletal muscle, and pancreatic β cells...
February 13, 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/28208010/circulating-plasma-and-exosomal-micrornas-as-indicators-of-drug-induced-organ-injury-in-rodent-models
#4
Young-Eun Cho, Sang-Hyun Kim, Byung-Heon Lee, Moon-Chang Baek
This study was performed to evaluate whether microRNAs (miRNAs) in circulating exosomes may serve as biomarkers of drug-induced liver, kidney, or muscle-injury. Quantitative PCR analyses were performed to measure the amounts of liver-specific miRNAs (miR-122, miR-192, and miR-155), kidney-specific miR-146a, or muscle-specific miR-206 in plasma and exosomes from mice treated with liver, kidney or muscle toxicants. The levels of liver-specific miRNAs in circulating plasma and exosomes were elevated in acetaminophen-induced liver injury and returned to basal levels by treatment with antioxidant N-acetyl-cysteine...
February 17, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/28207424/skeletal-muscle-wasting-new-role-of-nonclassical-renin-angiotensin-system
#5
Claudio Cabello-Verrugio, Juan C Rivera, Dominga Garcia
PURPOSE OF REVIEW: Skeletal muscle can be affected by many physiological and pathological conditions that contribute to the development of muscle weakness, including skeletal muscle loss, inflammatory processes, or fibrosis. Therefore, research into therapeutic treatment alternatives or alleviation of these effects on skeletal muscle is of great importance. RECENT FINDINGS: Recent studies have shown that angiotensin (1-7) [Ang-(1-7)] - a vasoactive peptide of the nonclassical axis in the renin-angiotensin system (RAS) - and its Mas receptor are expressed in skeletal muscle...
February 16, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28203599/surgical-management-of-rectus-femoris-avulsion-among-professional-soccer-players
#6
Bertrand Sonnery-Cottet, Nuno Camelo Barbosa, Sanesh Tuteja, Roland Gardon, Matt Daggett, Damien Monnot, Charles Kajetanek, Mathieu Thaunat
BACKGROUND: Rectus femoris injuries are common among athletes, especially in kicking sports such as soccer; however, proximal rectus femoris avulsions in athletes are a relatively rare entity. PURPOSE/HYPOTHESIS: The purpose of this study was to describe and report the results of an original technique of surgical excision of the proximal tendon remnant followed by a muscular suture repair. Our hypothesis was that this technique limits the risk of recurrence in high-level athletes and allows for rapid recovery without loss of quadriceps strength...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28202686/simvastatin-pre-treatment-improves-survival-and-mitochondrial-function-in-a-three-day-fluid-resuscitated-rat-model-of-sepsis
#7
Jerome Morel, Iain Hargreaves, David Brealey, Viruna Neergheen, Janne T Backman, Sandro Lindig, Marcus Bläss, Michael Bauer, Daniel F McAuley, Mervyn Singer
Statins may offer protective effects in sepsis through anti-inflammatory, mitochondrial protection and other actions. We thus evaluated the effects of simvastatin on survival, organ and mitochondrial function, tissue and plasma ubiquinone levels and liver transcriptomics in a 3-day rat model of sepsis. Comparisons of rat plasma simvastatin and ubiquinone levels were made against levels sampled in blood from patients with acute lung injury (ALI) enrolled into a trial of statin therapy. Animals received simvastatin by gavage either pre- or post-induction of faecal peritonitis...
February 15, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28197934/fuzheng-huayu-formula-prevents-rat-renal-interstitial-fibrosis-induced-by-hgcl2-via-antioxidative-stress-and-down-regulation-of-nuclear-factor-kappa-b-activity
#8
Ji-Li Yuan, Yan-Yan Tao, Qing-Lan Wang, Li Shen, Cheng-Hai Liu
OBJECTIVE: To investigate the mechanism of action of Fuzheng Huayu Formula (, FZHY) against renal interstitial fibrosis (RIF) relating to oxidative injury and nuclear factor-kappa B (NF-κB) activity. METHODS: Thirty-two Sprague-Dawley rats were randomly divided into 3 groups: control group, model group and FZHY treatment group. The RIF model was induced by oral administration of HgCl2 at a dose of 8 mg/kg body weight once a day for 9 weeks. Meanwhile, rats in FZHY treatment group orally took FZHY at a dose of 4...
February 15, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28197201/-three-methods-and-three-points-regulates-p38-mitogen-activated-protein-kinase-in-the-dorsal-horn-of-the-spinal-cord-in-a-rat-model-of-sciatic-nerve-injury
#9
Xin Guo, Tian-Yuan Yu, Wong Steven, Wen-Duan Jia, Chi Ma, Yan-Hong Tao, Chao Yang, Tao-Tao Lv, Shuai Wu, Meng-Qian Lu, Jia-Li Liu
Tuina is a traditional Chinese treatment for sensory disturbances caused by peripheral nerve injury and related diseases. Our previous studies showed that tuina regulates relevant regions and indices of the spinal dorsal horn using the Dian, Bo, and Rou method in Yinmen (BL37), Yanglingquan (GB34), and Weizhong (BL40). Treatment prevents muscle atrophy, protects spinal cord neurons, and promotes sciatic nerve repair. The mechanisms of action of tuina for treating peripheral nerve injury remain poorly understood...
December 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/28194375/rehabilitation-of-hamstring-muscle-injuries-a-literature-review
#10
REVIEW
Gabriel Amorim Ramos, Gustavo Gonçalves Arliani, Diego Costa Astur, Alberto de Castro Pochini, Benno Ejnisman, Moisés Cohen
Hamstring injuries are among the most frequent in sports. The high relapse rate is a challenge for sports medicine and has a great impact on athletes and sport teams. The treatment goal is to provide the athlete the same functional level as before the injury. Thus, functional rehabilitation is very important to the success of the treatment. Currently, several physical therapy modalities are used, according to the stage of the lesion, such as cryotherapy, laser therapy, therapeutic ultrasound, therapeutic exercise, and manual therapy...
January 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28192527/the-efficacy-of-a-scaffold-free-bio-3d-conduit-developed-from-human-fibroblasts-on-peripheral-nerve-regeneration-in-a-rat-sciatic-nerve-model
#11
Hirofumi Yurie, Ryosuke Ikeguchi, Tomoki Aoyama, Yukitoshi Kaizawa, Junichi Tajino, Akira Ito, Souichi Ohta, Hiroki Oda, Hisataka Takeuchi, Shizuka Akieda, Manami Tsuji, Koichi Nakayama, Shuichi Matsuda
BACKGROUND: Although autologous nerve grafting is the gold standard treatment of peripheral nerve injuries, several alternative methods have been developed, including nerve conduits that use supportive cells. However, the seeding efficacy and viability of supportive cells injected in nerve grafts remain unclear. Here, we focused on a novel completely biological, tissue-engineered, scaffold-free conduit. METHODS: We developed six scaffold-free conduits from human normal dermal fibroblasts using a Bio 3D Printer...
2017: PloS One
https://www.readbyqxmd.com/read/28191872/spatiotemporal-correlation-of-spinal-network-dynamics-underlying-spasms-in-chronic-spinalized-mice
#12
Carmelo Bellardita, Vittorio Caggiano, Roberto Leiras, Vanessa Caldeira, Andrea Fuchs, Julien Bouvier, Peter Löw, Ole Kiehn
Spasms after spinal cord injury (SCI) are debilitating involuntary muscle contractions that have been associated with increased motor neuron excitability and decreased inhibition. However, whether spasms involve activation of premotor spinal excitatory neuronal circuits is unknown. Here we use mouse genetics, electrophysiology, imaging and optogenetics to directly target major classes of spinal interneurons as well as motor neurons during spasms in a mouse model of chronic SCI. We find that assemblies of excitatory spinal interneurons are recruited by sensory input into functional circuits to generate persistent neural activity, which interacts with both the graded expression of plateau potentials in motor neurons to generate spasms, and inhibitory interneurons to curtail them...
February 13, 2017: ELife
https://www.readbyqxmd.com/read/28190434/intensive-care-unit-acquired-weakness
#13
J Horn, G Hermans
When critically ill, a severe weakness of the limbs and respiratory muscles often develops with a prolonged stay in the intensive care unit (ICU), a condition vaguely termed intensive care unit-acquired weakness (ICUAW). Many of these patients have serious nerve and muscle injury. This syndrome is most often seen in surviving critically ill patients with sepsis or extensive inflammatory response which results in increased duration of mechanical ventilation and hospital length of stay. Patients with ICUAW often do not fully recover and the disability will seriously impact on their quality of life...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28185800/inhaled-sildenafil-as-an-alternative-to-oral-sildenafil-in-the-treatment-of-pulmonary-arterial-hypertension-pah
#14
Jahidur Rashid, Brijeshkumar Patel, Eva Nozik-Grayck, Ivan F McMurtry, Kurt R Stenmark, Fakhrul Ahsan
The practice of treating PAH patients with oral or intravenous sildenafil suffers from the limitations of short dosing intervals, peripheral vasodilation, unwanted side effects, and restricted use in pediatric patients. In this study, we sought to test the hypothesis that inhalable poly(lactic-co-glycolic acid) (PLGA) particles of sildenafil prolong the release of the drug,produce pulmonary specific vasodilation, reduce the systemic exposure of the drug, and may be used as an alternative to oral sildenafil in the treatment of PAH...
February 6, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28183451/the-novel-exercise-induced-hormone-irisin-protects-against-neuronal-injury-via-activation-of-the-akt-and-erk1-2-signaling-pathways-and-contributes-to-the-neuroprotection-of-physical-exercise-in-cerebral-ischemia
#15
Dong-Jie Li, Yong-Hua Li, Hong-Bin Yuan, Le-Feng Qu, Pei Wang
BACKGROUND: Irisin is a novel exercise-induced myokine involved in the regulation of adipose browning and thermogenesis. In this study, we investigated the potential role of irisin in cerebral ischemia and determined whether irisin is involved in the neuroprotective effect of physical exercise in mice. MATERIALS AND METHODS: The middle cerebral artery occlusion (MCAO) model was used to produce cerebral ischemia in mice. First, the plasma irisin levels and changes in expression of the irisin precursor protein FNDC5 in skeletal muscle were determined post ischemic stroke...
March 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28181922/burn-serum-stimulates-myoblast-cell-death-associated-with-il-6-induced-mitochondrial-fragmentation
#16
Alvand Sehat, Ryan M Huebinger, Deborah L Carlson, Qun S Zang, Steven E Wolf, Juquan Song
BACKGROUND: Burn patients suffer muscle mass loss associated with hyperinflammation and hypercatabolism. The mitochondria are affected by this metabolic alteration. Mitochondrial fission activates a caspase cascade which ultimately leads to cell death. We postulate that burn-induced muscle loss is associated with increased mitochondrial fission and subsequent functional impairment. Further, we investigated whether the cytokine IL-6 plays a major role in mitochondrial fission-associated cell death after burn...
February 8, 2017: Shock
https://www.readbyqxmd.com/read/28174479/effect-of-pain-free-range-exercise-on-shoulder-pain-and-range-of-motion-in-an-amateur-skier
#17
Won-Gyu Yoo
[Purpose] This study prescribed pain-free range exercises for a female amateur skier who complained of limitations in her shoulder range of motion, and pain caused by protective spasms; the tester evaluated the effects of such exercise on pain. [Subject and Methods] A 23-year-old female who complained of pain of 3 weeks in duration in the right glenohumoral and scapulothoracic joints was enrolled. [Results] After pain-free range exercises, the visual analog pain score was 2 and the shoulder flexion and abduction angles improved compared to the initial values...
December 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28174432/a-study-of-isokinetic-strength-and-laxity-with-and-without-anterior-cruciate-ligament-injury
#18
Kewwan Kim, Kyoungkyu Jeon, David R Mullineaux, Eunok Cho
[Purpose] The purpose of this study was to provide useful information for future treatments and to organize rehabilitation programs for anterior cruciate ligament injury by assessing isokinetic muscle strength and laxity of knee joints in athletes with anterior cruciate ligament injuries. [Subjects and Methods] Thirty-one high school athletes with anterior cruciate ligament injuries participated in this study. Isokinetic muscle strength at 60°/sec and anterior cruciate ligament laxity for non-involved and involved sides, classified on the basis of the severity of anterior cruciate ligament injury, were assessed...
December 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28174025/effects-of-liposome-based-local-suppression-of-nerve-growth-factor-in-the-bladder-on-autonomic-dysreflexia-during-urinary-bladder-distention-in-rats-with-spinal-cord-injury
#19
Katsumi Kadekawa, Tsuyoshi Yoshizawa, Naoki Wada, Takahiro Shimizu, Tsuyoshi Majima, Pradeep Tyagi, William C de Groat, Kimio Sugaya, Naoki Yoshimura
PURPOSE: To examine (1) whether spinal cord injury (SCI) time-dependently increases the severity of autonomic dysreflexia (AD) and expression levels of bladder nerve growth factor (NGF) protein, and (2) whether local suppression of NGF in the bladder improves SCI-induced AD in rats. MATERIALS AND METHODS: SCI was produced by the transection of the T2/3 spinal cord in female Sprague-Dawley rats. At 4 or 8weeks after SCI, differences in the mean arterial blood pressure (ΔMAP) and heart rate (ΔMHR) during graded increases in intravesical pressure to 20, 40 and 60cm H2O from those before bladder distention and NGF protein levels in the bladder wall were evaluated in spinal intact and SCI rats under urethane anesthesia...
February 4, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28169594/keratin-hydrogel-enhances-in-vivo-skeletal-muscle-function-in-a-rat-model-of-volumetric-muscle-loss
#20
Juliana A Passipieri, Hannah B Baker, Mevan Siriwardane, Mary Ellenburg, Manasi Vadhavkar, Justin M Saul, Seth Tomblyn, Luke Burnett, George Joseph Christ
Volumetric Muscle Loss (VML) injuries exceed the considerable intrinsic regenerative capacity of skeletal muscle resulting in permanent functional and cosmetic deficits. VML and VML-like injuries occur in military and civilian populations, due to trauma and surgery as well as a host of congenital and acquired diseases/syndromes. Current therapeutic options are limited, and new approaches are needed for more complete functional regeneration of muscle. A potential solution is human hair derived keratin (KN) biomaterials that may have significant potential for regenerative therapy...
February 7, 2017: Tissue Engineering. Part A
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