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Pain and Inflammation

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https://www.readbyqxmd.com/read/29141200/phosgene-oxime-injury-and-associated-mechanisms-compared-to-vesicating-agents-sulfur-mustard-and-lewisite
#1
Dinesh Giri Goswami, Rajesh Agarwal, Neera Tewari-Singh
Phosgene Oxime (CX, Cl2CNOH), a halogenated oxime, is a potent chemical weapon that causes immediate acute injury and systemic effects. CX, grouped together with vesicating agents, is an urticant or nettle agent with highly volatile, reactive, corrosive, and irritating vapor, and has considerably different chemical properties and toxicity compared to other vesicants. CX is absorbed quickly through clothing with faster cutaneous penetration compared to other vesicating agents causing instantaneous and severe damage...
November 12, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29141063/novel-treatment-using-low-dose-naltrexone-for-lichen-planopilaris
#2
Lauren C Strazzulla, Lorena Avila, Kristen Lo Sicco, Jerry Shapiro
<p>Lichen planopilaris (LPP) is a variant of lichen planus that affects the scalp causing scarring hair loss. Patients also frequently experience symptoms of scalp itch, pain, and burning. To date, there are no long-term remittive nor curative therapies available. Low-dose naltrexone has anti-inflammatory properties and has recently been described in the context of treating autoimmune conditions. This retrospective medical record review describes four LPP patients treated with low-dose (3 milligrams per day) naltrexone...
November 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29140925/mobilization-of-cd4-t-lymphocytes-in-inflamed-mucosa-reduces-pain-in-colitis-mice-towards-a-vaccinal-strategy-to-alleviate-inflammatory-visceral-pain
#3
Lilian Basso, Jérôme Boué, Céline Augé, Céline Deraison, Catherine Blanpied, Nicolas Cenac, Philippe Lluel, Nathalie Vergnolle, Gilles Dietrich
T lymphocytes play a pivotal role in endogenous regulation of inflammatory visceral pain. The analgesic activity of T lymphocytes is dependent on their production of opioids, a property acquired upon antigen activation. Accordingly, we investigated whether an active recruitment of T lymphocytes within inflamed colon mucosa via a local vaccinal strategy may counteract inflammation-induced visceral pain in mice. Mice were immunized against ovalbumin (OVA). One month after immunization, colitis was induced by adding 3% (w/v) Dextran Sulfate Sodium (DSS) into drinking water containing either cognate antigen OVA or control antigen BSA for 5 days...
November 13, 2017: Pain
https://www.readbyqxmd.com/read/29138961/blastocystis-subtypes-isolated-from-irritable-bowel-syndrome-patients-and-co-infection-with-helicobacter-pylori
#4
Ayman A El-Badry, Wegdan M Abd El Wahab, Doaa A Hamdy, Alaa Aboud
Irritable bowel syndrome (IBS) is a chronic functional gastrointestinal disease presenting clinically by abdominal pain with alteration of bowel habits. Although IBS has uncertain etiology, chronic gut inflammation due to persistent exposure to an infectious agent including Blastocystis sp. was proposed. The aim of this study was to detect the prevalence of Blastocystis sp. subtype (ST) isolated from stool of IBS patients and to assess Blastocystis sp. and H. pylori co-infection in IBS patients from Beni-Suef Governorate, Egypt...
November 14, 2017: Parasitology Research
https://www.readbyqxmd.com/read/29138954/identification-of-compounds-from-palicourea-rigida-leaves-with-topical-anti-inflammatory-potential-using-experimental-models
#5
Rafael P Pinheiro, Muiara A Moraes, Bruna C S Santos, Rodrigo L Fabri, Glauciemar Del-Vechio-Vieira, Célia H Yamamoto, Ana Lúcia S M Araújo, Aílson L A Araújo, Orlando V Sousa
Palicourea rigida Kunth is traditionally used for the treatment of skin diseases, kidney pains and ovarian inflammation. Based on these traditional uses, this study evaluated the topical anti-inflammatory activity of the ethanol extract from P. rigida leaves (EEPR) and identified bioactive compounds. Ear edema was induced in Swiss mice by the topical application of Croton oil, arachidonic acid, phenol and capsaicin. Histopathological analysis and myeloperoxidase and N-acetyl-β-D-glucosaminidase activities were determined...
November 14, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/29137981/umbilical-cord-derived-mesenchymal-stem-cells-alleviated-inflammation-and-inhibited-apoptosis-in-interstitial-cystitis-via-akt-mtor-signaling-pathway
#6
Juncong Xie, Bolong Liu, Jialiang Chen, Yuancheng Xu, Hailun Zhan, Fei Yang, Wenbiao Li, Xiangfu Zhou
Interstitial cystitis (IC) is a bladder syndrome characterized by pelvic pain and urinary frequency without infection or other identifiable pathology. There are no effective treatments to cure IC. This study investigated the effects of human umbilical cord-derived mesenchymal stem cells (UC-MSCs) injection on IC rat model. Furthermore, we used a coculture system to find the possible molecular mechanism on the human uroepithelial cells (SV-HUC-1), which was the cell model of IC. A rat model of IC was established via systemic injection with cyclophosphamide (CYP) and a cell model of IC was induced by being exposed to tumor necrosis factor (TNF)-α (10 ng/ml)...
November 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29137346/safety-of-the-neprilysin-renin-angiotensin-system-inhibitor-lcz696
#7
REVIEW
Bo Li, Yunhe Zhao, Bo Yin, Mengfei Helian, Xinmei Wang, Feng Chen, Hongxia Zhang, Hui Sun, Bin Meng, Fengshuang An
Objectives: The combined neprilysin/rennin-angiotensin system inhibitor sacubitril/valsartan (LCZ696) has shown its superiority over ACEI/ARB therapy. In view of the existing concern of its adverse effects, we aimed to provide evidence of the safety of the new drug. Results: A total of 6 randomized trials with 11,821 subjects were included in this analysis. No significant differences were found in any adverse effects between LCZ696 and ACEI/ARB or placebo groups...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136948/gastroprotective-effect-and-mode-of-action-of-methanol-extract-of-sphenodesme-involucrata-var-paniculata-c-b-clarke-munir-lamiaceae-leaves-on-experimental-gastric-ulcer-models
#8
Puthanpura Sasidharan Sreeja, Karuppusamy Arunachalam, Sathyanarayanan Saikumar, Muniyandi Kasipandi, Sivaraj Dhivya, Rajan Murugan, Thangaraj Parimelazhagan
Sphenodesme involucrata var. paniculata (C. B. Clarke) Munir, endemic to South Asia, is used by tribal for alleviation from abdominal disorders, inflammation and body pain. However, the gastroprotective properties of this species have not yet been studied. The leaves of S. involucrata were extracted by Soxhlet extraction using different solvents successively and the extracts were analyzed for antioxidant and anti-Helicobacter pylori activities using different in vitro assays. The chemical composition of methanol extract of S...
November 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29135930/regulation-of-chemokine-receptor-interactions-and-functions
#9
EDITORIAL
Martin J Stone
Inflammation is the body's response to injury or infection. As early as 2000 years ago, the Roman encyclopaedist Aulus Cornelius Celsus recognised four cardinal signs of this response-redness, heat, swelling and pain; a fifth sign is loss of function.[...].
November 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29134730/role-of-central-versus-peripheral-opioid-system-in-antinociceptive-and-anti-inflammatory-effect-of-botulinum-toxin-type-a-in-trigeminal-region
#10
V Drinovac Vlah, B Filipović, L Bach-Rojecky, Z Lacković
BACKGROUND: Although botulinum toxin type A (BT-A) is approved for chronic migraine treatment, its site and mechanism of action are still elusive. Recently our group discovered that suppression of CGRP release from dural nerve endings might account for antimigraine action of pericranially injected BT-A. We demonstrated that central antinociceptive effect of BT-A in sciatic region involves endogenous opioid system as well. Here we investigated possible interaction of BT-A with endogenous opioid system within the trigeminal region...
November 13, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29132522/nonalcoholic-fatty-liver-disease
#11
REVIEW
Patrick H Sweet, Teresa Khoo, Steven Nguyen
Nonalcoholic fatty liver disease (NAFLD) defines a condition of hepatic steatosis with or without hepatic injury. NAFLD is increasing in prevalence worldwide and presents a public health burden. Most patients are asymptomatic, although some present with fatigue and right upper quadrant pain. NAFLD is discovered incidentally when patients have elevated liver enzymes or fatty liver is seen on imaging modalities. Imaging studies can confirm fatty deposits in the liver, but needle biopsy is needed to determine degree of inflammation...
December 2017: Primary Care
https://www.readbyqxmd.com/read/29132521/gallbladder-dysfunction-cholecystitis-choledocholithiasis-cholangitis-and-biliary-dyskinesia
#12
REVIEW
Thad Wilkins, Edward Agabin, Jason Varghese, Asif Talukder
The prevalence of gallstones is 10% to 15% in adults. Individuals with acute cholecystitis present with right upper quadrant pain, fever, and leukocytosis. Management includes supportive care and cholecystectomy. The prevalence of choledocholithiasis is 10% to 20%, and serious complications include cholangitis and gallstone pancreatitis. The goal of management in individuals with choledocholithiasis consists of clearing common bile duct stones. Acute ascending cholangitis is a life-threatening condition involving acute inflammation and infection of the common bile duct...
December 2017: Primary Care
https://www.readbyqxmd.com/read/29132095/inhibition-of-tnf-reduces-mechanical-orofacial-hyperalgesia-induced-by-complete-freund-s-adjuvant-by-a-trpv1-dependent-mechanism-in-mice
#13
Krzysztof Lis, Tomasz Grygorowicz, Agnieszka Cudna, David E Szymkowski, Ewa Bałkowiec-Iskra
BACKGROUND: Inflammation in the orofacial region results in pain and is associated with many pathological states, including migraine, neuralgias and temporomandibular disorder. Although extensively studied, the mechanisms responsible for these conditions are not known and effective treatments are lacking. We reported earlier that the proinflammatory cytokine tumor necrosis factor (TNF) plays an important role in regulation of trigeminal ganglion (TG) neuron function in vitro. In the present study we investigated the role of TNF in mechanical hypersensitivity in mice...
June 3, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29131694/role-of-neuron-glial-interaction-mediated-by-il-1%C3%AE-in-ectopic-tooth-pain
#14
H Komiya, K Shimizu, N Noma, Y Tsuboi, K Honda, K Kanno, K Ohara, M Shinoda, B Ogiso, K Iwata
Although many reports have demonstrated that ectopic pain develops in the orofacial region following tooth pulp inflammation, which often causes misdiagnosis and inappropriate treatment for patients with pulpitis, the precise mechanism remains unknown. In the present study, we hypothesized that the functional interaction between satellite glial cells and neurons mediated by interleukin 1β (IL-1β) in the trigeminal ganglion (TG) is involved in ectopic orofacial pain associated with tooth pulp inflammation...
November 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/29131336/molecular-function-of-%C3%AE-7-nicotinic-receptors-as-drug-targets
#15
Cecilia Bouzat, Matías Lasala, Beatriz Elizabeth Nielsen, Jeremías Corradi, María Del Carmen Esandi
Nicotinic acetylcholine receptors (nAChR) are pentameric ligand-gated ion channels involved in many physiological and pathological processes. In vertebrates, there are seventeen different nAChR subunits that combine to yield a variety of receptors with different pharmacology, function, and localization. The homomeric α7 receptor is one of the most abundant nAChRs in the nervous system and it is also present in non-neuronal cells. It plays important roles in cognition, memory, pain, neuroprotection, and inflammation...
November 13, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29131079/are-inflammatory-cytokines-associated-with-pain-during-acute-myocardial-infarction
#16
Laurin Imholz, Rebecca E Meister-Langraf, Mary Princip, Michaela Fux, Ulrich Schnyder, Jürgen Barth, Hansjörg Znoj, Jean-Paul Schmid, Roland von Känel
OBJECTIVE: Pain and inflammation during acute myocardial infarction (AMI) have been associated with the development of posttraumatic stress disorder and may also impact negatively on somatic outcome. We investigated the relationship between pain during AMI and levels of circulating proinflammatory (tumor necrosis factor [TNF]-α, interleukin [IL]-6) and anti-inflammatory (IL-33 and tissue growth factor [TGF]-β1) cytokines. METHODS: Data were collected as part of the Myocardial Infarction - Stress Prevention Intervention (MI-SPRINT) study...
November 4, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/29129946/application-of-materials-as-medical-devices-with-localized-drug-delivery-capabilities-for-enhanced-wound-repair
#17
Esther J Lee, Beom Kang Huh, Se Na Kim, Jae Yeon Lee, Chun Gwon Park, Antonios G Mikos, Young Bin Choy
The plentiful assortment of natural and synthetic materials can be leveraged to accommodate diverse wound types, as well as different stages of the healing process. An ideal material is envisioned to promote tissue repair with minimal inconvenience for patients. Traditional materials employed in the clinical setting often invoke secondary complications, such as infection, pain, foreign body reaction, and chronic inflammation. This review surveys the repertoire of surgical sutures, wound dressings, surgical glues, orthopedic fixation devices and bone fillers with drug eluting capabilities...
August 2017: Progress in Materials Science
https://www.readbyqxmd.com/read/29129303/endoscopic-treatment-of-eosinophilic-esophagitis
#18
REVIEW
Joel E Richter
In eosinophilic esophagitis, the main cause of solid-food dysphagia is tissue remodeling resulting in strictures and narrowed esophagus. Endoscopy and biopsies help to identify the degree of inflammation but often miss the fibrosis. Although initially considered dangerous, esophageal dilation has evolved into an extremely effective and safe treatment in fibrostenotic disease. The key is starting low with small-diameter bougies or balloons, and gradually dilating the esophagus and strictures to 16 to 18 mm. Results in more than 1000 adults and children have shown low rates of complications, especially perforations, and no deaths, but postprocedure chest pain is common...
January 2018: Gastrointestinal Endoscopy Clinics of North America
https://www.readbyqxmd.com/read/29128509/monocyte-activation-is-elevated-in-women-with-knee-osteoarthritis-and-associated-with-inflammation-bmi-and-pain
#19
Dessi Loukov, Sarah Karampatos, Monica R Maly, Dawn M E Bowdish
OBJECTIVE: Monocytes contribute to synovitis and disease pathogenesis in OA. Low-grade inflammation occurs in OA and correlates with disease severity and progression. Since monocyte development and function is altered by systemic inflammation, we analyzed monocyte numbers and function between individuals with knee OA and healthy age- and sex-matched controls. DESIGN: We analyzed markers of soluble and cellular inflammation in peripheral blood of women with knee OA and compared them to healthy age- and sex-matched controls...
November 8, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29127594/morphine-double-faced-roles-in-the-regulation-of-tumor-development
#20
REVIEW
X Y Zhang, Y X Liang, Y Yan, Z Dai, H C Chu
Morphine, a highly potent analgesic, is one of the most effective drugs for the treatment of severe pain associated with cancer. It directly acts on the central nervous system to relieve pain, but also cause secondary complications, such as addiction, respiratory depression and constipation due to its activities on peripheral tissues. Besides pain relief, morphine is of great importance on cancer management with its effect on tumor development being the subject of debate for many years with some contradictory findings...
November 10, 2017: Clinical & Translational Oncology
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