keyword
MENU ▼
Read by QxMD icon Read
search

Sciatic nerve

keyword
https://www.readbyqxmd.com/read/28328634/bridging-the-gap-engineered-porcine-derived-urinary-bladder-matrix-conduits-as-a-novel-scaffold-for-peripheral-nerve-regeneration
#1
Lyly Nguyen, Ashkan Afshari, Nathaniel D Kelm, Alonda C Pollins, R Bruce Shack, Mark D Does, Wesley P Thayer
PURPOSE: This study aims to compare engineered nerve conduits constructed from porcine-derived urinary bladder matrix (UBM) with the criterion-standard nerve autografts, for segmental loss peripheral nerve repairs. METHODS: Forty-eight Sprague-Dawley rats were divided into 2 groups. All underwent a 10-mm sciatic nerve gap injury. This was repaired using either (1) reverse autograft-the 10-mm cut segment was oriented 180 degrees and used to coapt the proximal and distal stumps or (2) UBM conduit-the 10-mm nerve gap was bridged with UBM conduit...
March 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28326943/analgesia-induced-by-the-epigenetic-drug-l-acetylcarnitine-outlasts-the-end-of-treatment-in-mouse-models-of-chronic-inflammatory-and-neuropathic-pain
#2
Serena Notartomaso, Giada Mascio, Matteo Bernabucci, Cristina Zappulla, Pamela Scarselli, Milena Cannella, Tiziana Imbriglio, Roberto Gradini, Giuseppe Battaglia, Valeria Bruno, Ferdinando Nicoletti
Background L-acetylcarnitine, a drug marketed for the treatment of chronic pain, causes analgesia by epigenetically up-regulating type-2 metabotropic glutamate (mGlu2) receptors in the spinal cord. Because the epigenetic mechanisms are typically long-lasting, we hypothesized that analgesia could outlast the duration of L-acetylcarnitine treatment in models of inflammatory and neuropathic pain. Results A seven-day treatment with L-acetylcarnitine (100 mg/kg, once a day, i.p.) produced an antiallodynic effect in the complete Freund adjuvant mouse model of chronic inflammatory pain...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28319508/exercise-combined-with-ultrasound-attenuates-neuropathic-pain-in-rats-associated-with-downregulation-of-il-6-and-tnf-%C3%AE-but-with-upregulation-of-il-10
#3
Po-Ching Huang, Kun-Ling Tsai, Yu-Wen Chen, Heng-Teng Lin, Ching-Hsia Hung
BACKGROUND: Although there are several evidences that suggest efficacies of therapeutic ultrasound (TU) or treadmill exercise (TE) to alleviate nerve injury-associated pain, molecular mechanisms are less clear. We aimed to investigate the impact of TU and/or TE on neuropathic pain induced by chronic constriction injury (CCI) of the sciatic nerve and their roles of proinflammatory and anti-inflammatory cytokines. METHODS: Rats were randomly divided into (n = 10 per group) sham operation (sham), CCI procedure followed by false application of TU (CCI + TU0), CCI procedure followed by false application of TU and TE (CCI + TU0 + TE), CCI, and CCI procedure followed by TU alone (CCI + TU), TE alone (CCI + TE), or both TU and TE (CCI + TU + TE) groups...
March 17, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28319271/oolong-tea-extract-as-a-substitute-for-uranyl-acetate-in-staining-of-ultrathin-sections-based-on-examples-of-animal-tissues-for-transmission-electron-microscopy
#4
Xiaohua He, Bin Liu
Oolong tea extract (OTE) was assessed for its potential as an electron stain to substitute for uranyl acetate (UA) in transmission electron microscopy (TEM). A comparative analysis of the ultrastructures of biological specimens (i.e. compound eye and sciatic nerve tissue) stained by different methods (UA and 0.1% OTE) has been performed. Results revealed that there was no significant difference between the OTE double staining method and the traditional double staining method, except the contrast in the OTE method was slightly lower than the UA method...
March 20, 2017: Journal of Microscopy
https://www.readbyqxmd.com/read/28318499/loss-of-function-mutations-in-lgi4-a-secreted-ligand-involved-in-schwann-cell-myelination-are-responsible-for-arthrogryposis-multiplex-congenita
#5
Shifeng Xue, Jérôme Maluenda, Florent Marguet, Mohammad Shboul, Loïc Quevarec, Carine Bonnard, Alvin Yu Jin Ng, Sumanty Tohari, Thong Teck Tan, Mung Kei Kong, Kristin G Monaghan, Megan T Cho, Carly E Siskind, Jacinda B Sampson, Carolina Tesi Rocha, Fawaz Alkazaleh, Marie Gonzales, Luc Rigonnot, Sandra Whalen, Marta Gut, Ivo Gut, Martine Bucourt, Byrappa Venkatesh, Annie Laquerrière, Bruno Reversade, Judith Melki
Arthrogryposis multiplex congenita (AMC) is a developmental condition characterized by multiple joint contractures resulting from reduced or absent fetal movements. Through genetic mapping of disease loci and whole-exome sequencing in four unrelated multiplex families presenting with severe AMC, we identified biallelic loss-of-function mutations in LGI4 (leucine-rich glioma-inactivated 4). LGI4 is a ligand secreted by Schwann cells that regulates peripheral nerve myelination via its cognate receptor ADAM22 expressed by neurons...
March 8, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28318068/helicid-alleviates-pain-and-sleep-disturbances-in-a-neuropathic-pain-like-model-in-mice
#6
Meng-Qi Zhang, Tian-Xiao Wang, Rui Li, Zhi-Li Huang, Wu-Jian Han, Xiao-Chang Dai, Yi-Qun Wang
Natural helicid (4-formylphenyl-O-β-d-allopyranoside), a main active constituent from seeds of the Chinese herb Helicia nilagirica, has been reported to exert a sedative, analgesic and hypnotic effect, and is used clinically to treat neurasthenic syndrome, vascular headaches and trigeminal neuralgia. In the current study, mechanical allodynia tests, electroencephalograms, electromyogram recordings and c-Fos expression in neuropathic pain-like model mice of partial sciatic nerve ligation were used to investigate the effect of helicid on neuropathic pain and co-morbid insomnia...
March 20, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28315922/superior-perioperative-analgesia-with-combined-femoral-obturator-sciatic-nerve-block-in-comparison-with-posterior-lumbar-plexus-and-sciatic-nerve-block-for-acl-reconstructive-surgery
#7
Metaxia Bareka, Michael Hantes, Eleni Arnaoutoglou, George Vretzakis
PURPOSE: The purpose of this randomized controlled study is to compare and evaluate the intraoperative and post-operative outcome of PLPS nerve block and that of femoral, obturator and sciatic (FOS) nerve block as a method of anaesthesia, in performing ACL reconstruction. METHODS: Patients referred for elective arthroscopic ACL reconstruction using hamstring autograft were divided in two groups. The first group received combined femoral-obturator-sciatic nerve block (FOS Group) under dual guidance, whereas the second group received posterior lumbar plexus block under neurostimulation and sciatic nerve block (PLPS Group) under dual guidance...
March 18, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28315720/the-protective-effect-of-the-active-components-of-erpc-on-diabetic-peripheral-neuropathy-in-rats
#8
Gai-Mei Hao, Yong-Gang Liu, Yan Wu, Wei Xing, Shu-Zhen Guo, Yong Wang, Zheng-Lin Wang, Chun Li, Tian-Tian Lv, Hong-Liang Wang, Tian-Jiao Shi, Wei Wang, Jing Han
ETHNOPHARMACOLOGICAL RELEVANCE: Euonymus alatus, Radix trichosanthis, Panax notoginseng and Coptis chinensis are popular plants used in traditional Chinese medicine to treat diabetes. AIM OF THE STUDY: The aim of the study is to investigate the therapeutic effect of the active components of Euonymus alatus, Radix trichosanthis, Panax notoginseng and Coptis chinensis (cERPC) on diabetic peripheral neuropathy in the rats and explore the underlying mechanism involved...
March 15, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28315443/progesterone-modulates-diabetes-hyperglycemia-induced-changes-in-the-central-nervous-system-and-sciatic-nerve
#9
Fahim Atif, Megan C Prunty, Nefize Turan, Donald G Stein, Seema Yousuf
We investigated the effect of progesterone (P4) treatment on diabetes/hyperglycemia-induced pathological changes in brain, spinal cord and sciatic nerve tissue in male rats. Animals were rendered hyperglycemic by a single dose of streptozotocin (STZ). P4 treatment was started after hyperglycemia was confirmed and body weight and blood glucose levels were monitored once/week for 5 weeks. Rats underwent behavioral testing at week 5 and were then euthanized for histology. We assessed the expression of markers of angiogenesis (vascular endothelial growth factor (VEGF)), inflammation (interleukin-6 (IL-6)) and tissue injury (CD11b, NG2, COX2 and matrix metalloproteinase-2 (MMP-2)) in the brain, spinal cord and sciatic nerve...
March 14, 2017: Neuroscience
https://www.readbyqxmd.com/read/28303299/glomangiomatosis-of-the-sciatic-nerve-a-case-report-and-review-of-the-literature
#10
Rajendra Kumar, Lisa Vu, John E Madewell, Cynthia E Herzog, Justin E Bird
Glomus tumors are hamartomas, which tend to occur in sites rich in glomus bodies, such as the subungual regions of digits or the deep dermis of the palm, wrist, forearm, and foot. Very rarely, they may involve peripheral nerves. We describe a patient, who, following surgical resection of a solitary glomus tumor of the left distal sciatic nerve in his teens, had recurrence with development of multiple tumors in the course of the nerve over several years. To our knowledge, this is the only known case of glomangiomatosis involving a major peripheral nerve...
March 17, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28294069/wallet-neuritis-an-example-of-peripheral-sensitization
#11
Md Abu Bakar Siddiq, Israt Jahan, Sam Masihuzzaman
BACKGROUND: Wallet neuritis is an example of extra-spinal tunnel neuropathy concerning sciatic nerve. Its clinical appearance often gets confused with sciatica of lumbar spine origin. Wallet-induced chronic sciatic nerve constriction produces gluteal and ipsilateral lower extremity pain, tingling, and burning sensation. It was Lutz, first describing credit-card wallet sciatica in an Attorney, surfaced on Journal of American Medical Association (JAMA), 1978; however, the condition has not been well-studied in various other occupations...
March 9, 2017: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/28293917/increasing-calcium-level-limits-schwann-cell-numbers-in-vitro-following-peripheral-nerve-injury
#12
Kai J Yang, Yuhui Yan, Lin-Ling Zhang, Michael A Agresti, Hani S Matloub, John A LoGiudice, Robert Havlik, Ji-Geng Yan
Background After peripheral nerve injury, there is an increase in calcium concentration in the injured nerves. Our previous publications have shown that increase in calcium concentration correlated well with degree of nerve injury and that local infusion of calcitonin has a beneficial effect on nerve recovery. Schwann cells play a pivotal role in regeneration and recovery. We aim to examine cultured Schwann cell survivals in various concentrations of calcium-containing growth media and the effect of calcitonin in such media...
March 14, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28291541/evidence-for-a-novel-neurohumoral-antinociceptive-mechanism-mediated-by-peripheral-capsaicin-sensitive-nociceptors-in-conscious-rats
#13
Gábor Pethő, Kata Bölcskei, Réka Füredi, Bálint Botz, Teréz Bagoly, Erika Pintér, János Szolcsányi
Stimulation of capsaicin-sensitive peripheral sensory nerve terminals induces remote anti-inflammatory effects throughout the body of anesthetized rats and guinea-pigs mediated by somatostatin. As somatostatin has also antinociceptive effects, the study aimed at investigating whether similar remote antinociceptive effects can be demonstrated in awake animals. In conscious rats, nociceptive nerve endings of the right hind paw decentralized by cutting the sciatic and saphenous nerves 18h before were chemically stimulated, and drop of the noxious heat threshold (heat hyperalgesia) induced by prior (18h before) plantar incision was measured on the contralateral, left hind paw using an increasing-temperature water bath...
February 10, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28291521/the-spectrum-of-injuries-in-buttock-stab-wounds
#14
REVIEW
T Campion, S Cross
Buttock stab wounds are a surprisingly common and increasing source of presentations to emergency departments. These injuries can have a significant impact on quality of life, and there are a number of often subtle, but significant, injuries that the radiologist must be alert to when interpreting computed tomography examinations in these patients. In this review, we will examine briefly the sociological reasons for the increase in these injuries, discuss appropriate imaging techniques, and provide imaging examples of the clinically important injuries that may be encountered in this region...
March 10, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28291470/comparative-efficacy-of-multiple-variables-of-mesenchymal-stem-cell-transplantation-for-the-treatment-of-neuropathic-pain-in-rats
#15
LiPing Liu, Zhen Hua, Jun Shen, Yan Yin, Jing Yang, Kathleen Cheng, Aijun Liu, Lina Wang, Jianguo Cheng
OBJECTIVES: The current treatment options for neuropathic pain due to nerve injuries are limited and largely unsatisfactory. Mesenchymal stem cell transplantation (MSC) has shown promise as an emerging therapy for neuropathic pain. However, a number of critical parameters, including the sources of cells, the number of cells, and routes of transplantation, need to be elucidated before it can be tested clinically. METHODS: MSCs were isolated from rat bone marrow (rBM-MSCs) and adipose tissue (rAD-MSCs) and characterized by flow cytometry and functional differentiation...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28290778/improved-neural-microcirculation-and-regeneration-after-peripheral-nerve-decompression-in-dpn-rats
#16
Wenxiang Zhong, Min Yang, Wenchuan Zhang, Massimiliano Visocchi, Xiangjun Chen, Chenlong Liao
OBJECTIVE: Recently, neural microcirculation and regeneration were regarded as critical factors in diabetic peripheral neuropathy (DPN) improvement. In the present study, we explored the cytological and molecular mechanisms how peripheral nerve decompression impaired nerve injury. METHODS: Forty-five male SD rats were established as the DPN model. HE staining was used to observe the morphology and distribution of microvessels. Transmission electron microscopy was applied to observe the morphology and distribution of Schwann cells...
March 14, 2017: Neurological Research
https://www.readbyqxmd.com/read/28288050/pain-management-modalities-after-total-knee-arthroplasty-a-network-meta-analysis-of-170-randomized-controlled-trials
#17
Abdullah Sulieman Terkawi, Dimitris Mavridis, Daniel I Sessler, Megan S Nunemaker, Khaled S Doais, Rayan Sulieman Terkawi, Yazzed Sulieman Terkawi, Maria Petropoulou, Edward C Nemergut
BACKGROUND: Optimal analgesia for total knee arthroplasty remains challenging. Many modalities have been used, including peripheral nerve block, periarticular infiltration, and epidural analgesia. However, the relative efficacy of various modalities remains unknown. The authors aimed to quantify and rank order the efficacy of available analgesic modalities for various clinically important outcomes. METHODS: The authors searched multiple databases, each from inception until July 15, 2016...
March 13, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28286819/pain-management-via-ultrasound-guided-nerve-block-in-emergency-department-a-case-series-study
#18
Amir Nejati, Houman Teymourian, Leili Behrooz, Gholamreza Mohseni
INTRODUCTION: Pain is the most common complaint of patients referring to emergency department (ED). Considering the importance of pain management in ED, this study aimed to investigate the efficacy and feasibility of ultrasound-guided nerve blocks in this setting. METHODS: 46 patients who came to the ED with injured extremities were enrolled in the study and received either femoral, axillary or sciatic nerve block depending on their site of injury (1.5 mg Bupivacaine per kg of patient's weight)...
2017: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/28286117/carvedilol-prevents-functional-deficits-in-peripheral-nerve-mitochondria-of-rats-with-oxaliplatin-evoked-painful-peripheral-neuropathy
#19
Aparna Areti, Prashanth Komirishetty, Ashutosh Kumar
Oxaliplatin use as chemotherapeutic agent is frequently limited by cumulative neurotoxicity which may compromise quality of life. Reports relate this neurotoxic effect to oxidative stress and mitochondrial dysfunction in peripheral nerves and dorsal root ganglion (DRG). Carvedilol is an antihypertensive drug, has also been appreciated for its antioxidant and mitoprotective properties. Carvedilol co-treatment did not reduce the anti-tumor effects of oxaliplatin in human colon cancer cells (HT-29), but exhibited free radical scavenging activity against oxaliplatin-induced oxidative stress in neuronal cells (Neuro-2a)...
March 9, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28285993/death-receptor-6-promotes-wallerian-degeneration-in-peripheral-axons
#20
Kanchana K Gamage, Irene Cheng, Rachel E Park, Mardeen S Karim, Kazusa Edamura, Christopher Hughes, Anthony J Spano, Alev Erisir, Christopher D Deppmann
Axon degeneration during development is required to sculpt a functional nervous system and is also a hallmark of pathological insult, such as injury [1, 2]. Despite similar morphological characteristics, very little overlap in molecular mechanisms has been reported between pathological and developmental degeneration [3-5]. In the peripheral nervous system (PNS), developmental axon pruning relies on receptor-mediated extrinsic degeneration mechanisms to determine which axons are maintained or degenerated [5-7]...
March 20, 2017: Current Biology: CB
keyword
keyword
85209
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"