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Minocyclin

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https://www.readbyqxmd.com/read/28735085/minocycline-attenuates-streptomycin-induced-cochlear-hair-cell-death-by-inhibiting-protein-nitration-and-poly-adp-ribose-polymerase-activation
#1
Ping Wang, Haonan Li, Shuyuan Yu, Peng Jin, Abdurahman Hassan, Bo Du
This study aimed to elucidate the protective effect of minocycline against streptomycin-induced damage of cochlear hair cells and its mechanism. Cochlear membranes were isolated from newborn Wistar rats and randomly divided into control, 500μmol/L streptomycin, 100μmol/L minocycline, and streptomycin and minocycline treatment groups. Hair cell survival was analyzed by detecting the expression of 3-nitrotyrosine (3-NT) in cochlear hair cells by immunofluorescence and an enzyme-linked immunosorbent assay. Expression of 3-NT and inducible nitric oxide synthase (iNOS), and poly (ADP-Ribose) polymerase (PARP) and caspase-3 activation were evaluated by western blotting...
July 19, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28732530/minocycline-modulates-nf%C3%AE%C2%BAb-phosphorylation-and-enhances-antimicrobial-activity-against-staphylococcus-aureus-in-mesenchymal-stromal-stem-cells
#2
Alberto Daniel Guerra, Warren E Rose, Peiman Hematti, W John Kao
BACKGROUND: Mesenchymal stromal/stem cells (MSCs) have demonstrated pro-healing properties due to their anti-inflammatory, angiogenic, and even antibacterial properties. We have shown previously that minocycline enhances the wound healing phenotype of MSCs, and MSCs encapsulated in poly(ethylene glycol) and gelatin-based hydrogels with minocycline have antibacterial properties against Staphylococcus aureus (SA). Here, we investigated the signaling pathway that minocycline modulates in MSCs which results in their enhanced wound healing phenotype and determined whether preconditioning MSCs with minocycline has an effect on antimicrobial activity...
July 21, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28731416/physician-beware-drug-fever-without-skin-rashes-can-be-caused-by-minocycline
#3
W Gu, D Shi, N Mi, X Pang, W Liu
No abstract text is available yet for this article.
2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28724383/molecular-characterization-and-genetic-relatedness-of-clinically-acinetobacter-baumanii-isolates-conferring-increased-resistance-to-the-first-and-second-generations-of-tetracyclines-in-iran
#4
Zahra Meshkat, Himen Salimizand, Yousef Amini, Mostafa Khakshoor, Davoud Mansouri, Hadi Farsiani, Kiarash Ghazvini, Adel Najafi
BACKGROUND: The increasing resistance of Acinetobacter baumannii to antibiotics has recently been regarded as a notable therapeutic difficulty. Evaluating resistance rates of some A. baumannii isolates to tetracyclines had an impact on understanding the antibiotic resistance dissemination. By comparing genetic characteristics and relatedness of A. baumannii isolates, we are able to determine the transition dynamics of outbreak isolates. METHODS: A total of 72 non-duplicate isolates of A...
July 19, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28722234/minocycline-reduces-microgliosis-and-improves-subcortical-white-matter-function-in-a-model-of-cerebral-vascular-disease
#5
Yasmina Manso, Philip R Holland, Akihiro Kitamura, Stefan Szymkowiak, Jessica Duncombe, Edel Hennessy, James L Searcy, Martina Marangoni, Andrew D Randall, Jon T Brown, Barry W McColl, Karen Horsburgh
Chronic cerebral hypoperfusion is a key mechanism associated with white matter disruption in cerebral vascular disease and dementia. In a mouse model relevant to studying cerebral vascular disease, we have previously shown that cerebral hypoperfusion disrupts axon-glial integrity and the distribution of key paranodal and internodal proteins in subcortical myelinated axons. This disruption of myelinated axons is accompanied by increased microglia and cognitive decline. The aim of the present study was to investigate whether hypoperfusion impairs the functional integrity of white matter, its relation with axon-glial integrity and microglial number, and whether by targeting microglia these effects can be improved...
July 19, 2017: Glia
https://www.readbyqxmd.com/read/28713482/comparative-therapeutic-effects-of-minocycline-treatment-and-bone-marrow-mononuclear-cell-transplantation-following-striatal-stroke
#6
Celice C Souza, Michelle Castro da Silva, Rosana Telma Lopes, Marcelo M Cardoso, Lucas Lacerda de Souza, Adriano Guimarães Santos, Ijair Rogério Dos Santos, Edna C S Franco, Walace Gomes-Leal
We explored the comparative effects of minocycline treatment and intrastriatal BMMC transplantation after experimental striatal stroke in adult rats. Male Wistar adult rats were divided as follows: saline-treated (N = 5), minocycline-treated (N = 5), and BMMC-transplanted (N = 5) animals. Animals received intrastriatal microinjections of 80 pmol of endothelin-1 (ET-1). Behavioral tests were performed at 1, 3, and 7 days postischemia. Animals were treated with minocycline (50 mg/kg, i.p.) or intrastriatal transplants of 106 BMMCs at 24 h postischemia...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28711677/extended-spectrum-of-antibiotic-susceptibility-for-tuberculosis-djibouti
#7
Fériel Bouzid, Hélène Astier, Djaltou Aboubaker Osman, Emilie Javelle, Mohamed Osman Hassan, Fabrice Simon, Eric Garnotel, Michel Drancourt
The Horn of Africa suffers from a high prevalence of tuberculosis which is reported to be partly driven by multi-drug resistant (MDR) Mycobacterium tuberculosis strictu sensu strains. We conducted a prospective study to investigate M. tuberculosis complex species causing tuberculosis in Djibouti; along with their in vitro susceptibility to standard anti-tuberculous antibiotics, in addition to clofazimine, minocycline, chloramphenicol and sulfadiazine. Among the 118 mycobacteria isolates from 118 successive patients with suspected pulmonary tuberculosis, 111 strains of M...
July 12, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28709136/tetracyclines-as-a-potential-antiviral-therapy-against-crimean-congo-hemorrhagic-fever-virus-docking-and-molecular-dynamic-studies
#8
Amirhossein Sharifi, Arash Amanlou, Faezeh Moosavi-Movahedi, Sahand Golestanian, Massoud Amanlou
Crimean-Congo Hemorrhagic Fever Virus (CCHFV) is one of the deadliest human diseases with mortality rate near 50%. Special attention should be paid to this virus since there is no approved treatment for it. On the other hand, the recent outbreak of Ebola virus which is a member of hemorrhagic fever viruses shows this group of viruses can be extremely dangerous. Previous studies have indicated that nucleoprotein of CCHFV, a pivotal protein in virus replication, is an appropriate target for antiviral drug development...
July 1, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28705754/progression-of-lyme-disease-to-bell-s-palsy-despite-treatment-with-doxycycline
#9
Luis A Marcos, Zengmin Yan
A 54 year-old healthy woman presented to the emergency department with a right sided facial paralysis. About 3 weeks ago, she woke up and noticed an attached engorged tick in her right lower extremity. A week later, she noticed a mild to moderate right jaw pain which progressed to a severe right facial pain so she visited her doctor. On physical, II to XII cranial nerve examination was unremarkable. Doppler ultrasound did not show any vascular abnormalities in temporal artery. Her inflammatory markers were within normal limits (C-reactive protein:0...
July 10, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28705678/pharmacodynamics-of-minocycline-against-acinetobacter-baumannii-studied-in-a-pharmacokinetic-model-of-infection
#10
Wadha A Alfouzan, A R Noel, Karen E Bowker, Mlg Attwood, S G Tomaselli, Alasdair P MacGowan
OBJECTIVES: Minocycline (MIN) is an old antibiotic which may have an important role in the treatment of multidrug Gram-negative infection as the burden of such infectious increase. METHODS: We used a single compartment dilutional pharmacokinetic model to determine the relationship between MIN exposure and antibacterial effect, including risk of emergence of resistance against strains of Acinetobacter baumannii. RESULTS: The unbound drug area-under-the-curve to MIC ratio (fAUC/MIC) associated with a 24h bacteriostatic effect was 16...
July 10, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28705668/in-vitro-activity-of-the-novel-fluorocycline-eravacycline-against-carbapenem-non-susceptible-acinetobacter-baumannii
#11
Harald Seifert, Danuta Stefanik, Joyce A Sutcliffe, Paul G Higgins
The activity of eravacycline was compared with anti-Acinetobacter reference antimicrobials against carbapenem non-susceptible Acinetobacter baumannii isolates associated with an acquired OXA or up-regulation of the intrinsic OXA-51-like enzyme. Antimicrobial susceptibility testing was performed by broth microdilution of 286 non-duplicate, carbapenem non-susceptible A. baumannii isolates to eravacycline, amikacin colistin, doxycycline, imipenem, levofloxacin, meropenem, minocycline, sulbactam, tigecycline, and tobramycin...
July 10, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28701170/antimicrobial-susceptibility-among-gram-positive-and-gram-negative-organisms-collected-from-the-latin-american-region-between-2004-and-2015-as-part-of-the-tigecycline-evaluation-and-surveillance-trial
#12
Silvio Vega, Michael J Dowzicky
BACKGROUND: The in vitro activity of tigecycline and comparator agents was evaluated against Gram-positive and Gram-negative isolates collected in Latin American centers between 2004 and 2015 as part of the Tigecycline Evaluation and Surveillance Trial (T.E.S.T.) global surveillance study. METHODS: Minimum inhibitory concentrations (MICs) were determined using the broth microdilution methodology according to the Clinical and Laboratory Standards Institute (CLSI) guidelines...
July 12, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28699371/minocycline-attenuates-high-mobility-group-box-1-translocation-microglial-activation-and-thalamic-neurodegeneration-after-traumatic-brain-injury-in-postnatal-day-17-rats
#13
Dennis William Simon, Rajesh K Aneja, Henry Alexander, Michael J Bell, Hulya Bayir, Patrick M Kochanek, Robert S B Clark
In response to cell injury the danger signal high mobility group box-1 (HMGB) is released, activating macrophages by binding pattern recognition receptors. We investigated the role of the anti-inflammatory drug minocycline in attenuating HMGB1 translocation, microglial activation, and neuronal injury in a rat model of pediatric traumatic brain injury (TBI). Postnatal day 17 Sprague-Dawley rats were subjected to moderate-severe controlled cortical impact (CCI). Animals were randomized to treatment with minocycline (90 mg/kg, i...
July 12, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28690518/trichoscopic-findings-of-erosive-pustular-dermatosis-of-the-scalp-associated-with-gefitinib
#14
Tomohisa Fukui, Hideo Kitamura, Ken Harada, Hajime Nakano, Daisuke Sawamura
Alopecia associated with epidermal growth factor receptor (EGFR) inhibitor therapy is a rare cutaneous side effect with the potential to progress to scarring alopecia. Thus, dermatologists should make an early diagnosis. We present the case of a 57-year-old Japanese female with scarring alopecia associated with gefitinib, which is an EGFR inhibitor, including trichoscopic findings. The patient treated with gefitinib for non-small cell lung cancer experienced skin rash and hair loss of the scalp. The scalp lesions appeared similar to erosive pustular dermatosis of the scalp...
May 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28689878/systematic-review-of-antimicrobial-lock-therapy-for-prevention-of-central-line-associated-bloodstream-infections-in-adult-and-pediatric-cancer-patients
#15
REVIEW
LeAnn B Norris, Farah Kablaoui, Maggie K Brilhart, P Brandon Bookstaver
BACKGROUND: Central venous catheter (CVC) use is commonplace in cancer patients. Antimicrobial lock therapy (ALT), the instillation of a concentrated antimicrobial solution into the catheter lumen, is one method for preventing infection among CVCs. This systematic review discusses the effectiveness and safety of prophylactic ALT in cancer patients with CVCs. METHODS: A literature search was performed using the Medline database and Google Scholar from inception until April 2016...
July 6, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28687975/prevalence-and-drug-resistance-characteristics-of-carbapenem-resistant-enterobacteriaceae-in-hangzhou-china
#16
Yan Yang, Jian Chen, Di Lin, Xujian Xu, Jun Cheng, Changgui Sun
With the abuse of antimicrobial agents in developing countries, increasing number of carbapenem-resistant Enterobacteriaceae (CRE) attracted considerable public concern. A retrospective study was conducted based on 242 CRE strains from a tertiary hospital in Hangzhou, China to investigate prevalence and drug resistance characteristics of CRE in southeast China. Bacterial species were identified. Antimicrobial susceptibility was examined by broth microdilution method or epsilometer test. Resistant β-lactamase genes were identified by polymerase chain reaction and sequencing...
July 8, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28685641/sleep-disturbances-and-severe-stress-as-glial-activators-key-targets-for-treating-central-sensitization-in-chronic-pain-patients
#17
Jo Nijs, Marco L Loggia, Andrea Polli, Maarten Moens, Eva Huysmans, Lisa Goudman, Mira Meeus, Luc Vanderweeën, Kelly Ickmans, Daniel Clauw
The mechanism of sensitization of the central nervous system partly explains the chronic pain experience in many patients, but the etiological mechanisms of this central nervous system dysfunction are poorly understood. Recently, an increasing number of studies suggest that aberrant glial activation takes part in the establishment and/or maintenance of central sensitization. Areas covered: This review focused on preclinical work and mostly on the neurobiochemistry studied in animals, with limited human studies available...
July 12, 2017: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/28685618/minocycline-plus-n-acteylcysteine-induces-remyelination-synergistically-protects-oligodendrocytes-and-modifies-neuroinflammation-in-a-rat-model-of-mild-traumatic-brain-injury
#18
Margalit Haber, Jessica James, Justine Kim, Michael Sangobawole, Rachel Irizarry, Johnson Ho, Elena Nikulina, Natalia M Grin'kina, Albana Ramadani, Isabella Hartman, Peter J Bergold
Mild traumatic brain injury afflicts over 2 million people annually and little can be done for the underlying injury. The Food and Drug Administration-approved drugs Minocycline plus N-acetylcysteine (MINO plus NAC) synergistically improved cognition and memory in a rat mild controlled cortical impact (mCCI) model of traumatic brain injury.(3) The underlying cellular and molecular mechanisms of the drug combination are unknown. This study addressed the effect of the drug combination on white matter damage and neuroinflammation after mCCI...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28684969/electroacupuncture-alleviates-postoperative-cognitive-dysfunction-in-aged-rats-by-inhibiting-hippocampal-neuroinflammation-activated-via-microglia-tlrs-pathway
#19
Pei-Pei Feng, Pu Deng, Li-Hua Liu, Qi Ai, Jie Yin, Zhe Liu, Gai-Mei Wang
Neuroinflammation has been suggested to be involved in the pathogenesis of postoperative cognitive dysfunction (POCD). Electroacupuncture (EA) is an irreplaceable method in traditional Chinese medicine that is used for treating neurodegenerative diseases in clinical and experimental studies. The aim of this study was to examine whether EA improves cognitive dysfunction caused by surgery and to investigate the pathological mechanism of TLR2 and TLR4 in the hippocampus of aged rats. A rat model of POCD was established and treated with EA or minocycline...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28680555/long-term-evaluations-of-teeth-and-dental-implants-during-dental-maintenance-period
#20
Da-Le Yoon, Yong-Gun Kim, Jin-Hyun Cho, Jae-Mok Lee, Sang-Kyu Lee
PURPOSE: This study was designed to evaluate the teeth and dental implants during dental maintenance therapy over 3 years in different conditions after periodontal and dental prosthetic treatment. MATERIALS AND METHODS: 166 patients received maintenance therapy. 59 patients were treated with 2% minocycline-HCl ointment as local drug delivery (LDD) (L group) and 107 patients were treated without LDD (NL group). Clinical data was collected in maintenance period for evaluation...
June 2017: Journal of Advanced Prosthodontics
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