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https://www.readbyqxmd.com/read/28317899/minocycline-treatment-suppresses-juvenile-development-and-growth-by-attenuating-insulin-tor-signaling-in-drosophila-animal-model
#1
Hyun Myoung Yun, Sujin Noh, Seogang Hyun
Minocycline is a broad spectrum, semi-synthetic tetracycline analog that is used to treat bacterial infection. Recently, this drug has been receiving increasing attention for its non-antibiotic properties, including anti-inflammatory, tumor suppressive, and neuroprotective effects. Drosophila is a useful model organism for studying human metabolism and disease. In this study, we investigated the effects of minocycline on juvenile development and growth in Drosophila. Feeding minocycline to Drosophila larvae suppresses larval body growth and delays the timing of pupation in a dose-dependent manner...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28315174/microglia-activation-contributes-to-quinolinic-acid-induced-neuronal-excitotoxicity-through-tnf-%C3%AE
#2
Wei Feng, Yan Wang, Zi-Qi Liu, Xuan Zhang, Rong Han, You-Zhu Miao, Zheng-Hong Qin
It has been reported that activation of NF-κB is involved in excitotoxicity; however, it is not fully understood how NF-κB contributes to excitotoxicity. The aim of this study is to investigate if NF-κB contributes to quinolinic acid (QA)-mediated excitotoxicity through activation of microglia. In the cultured primary cortical neurons and microglia BV-2 cells, the effects of QA on cell survival, NF-κB expression and cytokines production were investigated. The effects of BV-2-conditioned medium (BCM) on primary cortical neurons were examined...
March 17, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28306606/spinal-microglial-p2x4-receptor-brain-derived-neurotrophic-factor-signaling-regulates-nicotine-withdrawal-induced-hyperalgesia
#3
Xiaodi Zhang, Pengcheng Xu, Chengbao Li, Wenchao Zhu, Shanshan Wu, Ailan Yu, Yonghong Ding, Qinghe Wang, Zongwang Zhang
Nicotine withdrawal (NTW) has been shown to increase pain sensitivity. However, the pathogenesis of NTW-induced hyperalgesia syndrome is unknown. Microglial activation, with increased expression of the P2X4 receptor (P2X4R) and brain-derived neurotrophic factor (BDNF) as important markers, is associated with hyperalgesia; therefore, these markers may represent an unprecedented target to prevent hyperalgesia. In this study, we explored the contributions of spinal microglial P2X4R-BDNF signaling in NTW-induced hyperalgesia...
March 16, 2017: Neuroreport
https://www.readbyqxmd.com/read/28295566/concomitant-confluent-and-reticulated-papillomatosis-and-acanthosis-nigricans-in-an-obese-girl-with-insulin-resistance-successfully-treated-with-oral-minocycline-case-report-and-published-work-review
#4
Takeshi Fukumoto, Takeshi Kozaru, Masanobu Sakaguchi, Masahiro Oka
Concomitant confluent and reticulated papillomatosis (CRP) and acanthosis nigricans (AN) is rare. We present a case of concomitant CRP and obesity-associated AN in a 12-year-old obese Japanese girl. Curiously, oral minocycline therapy, which has been shown to be effective for CRP, was effective against both CRP and AN. Possible mechanisms by which minocycline could have improved skin lesions of CRP and obesity-associated AN are discussed. In addition, reports of concomitant CRP and obesity-associated AN are reviewed...
March 11, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28294199/management-of-an-immature-partially-necrotic-permanent-molar-by-pulp-revascularization-%C3%A2-two-year-follow-up
#5
Julian Schmoeckel, Mhd Said Mourad, Christian H Splieth, Ruth M Santamaria
Root canal treatment of immature teeth is considered a great challenge for both the dentist and the patient. The thinness of the root canals walls and the lack of an apical barrier leads to unpredictable treatment results. Revascularization is a novel promising treatment option in the field of regenerative endodontics for management of immature necrotic permanent teeth. This case presents a successful treatment of an 8-year-old patient with a partially necrotic, immature permanent mandibular right first molar pulp by revascularization...
March 14, 2017: Quintessence International
https://www.readbyqxmd.com/read/28293394/evaluation-of-the-expression-of-viii-factor-and-vegf-in-the-regeneration-of-non-vital-teeth-in-dogs-using-propolis
#6
Mina Zarei, Amir Hossein Jafarian, Azadeh Harandi, Maryam Javidi, Maryam Gharechahi
OBJECTIVES: The purpose of the present study was the immunohistochemical evaluation of VEGF and VII factors in dog's teeth pulp revascularized with MTA and propolis. MATERIALS AND METHODS: 144 mature and immature two rooted dog's premolar canals were selected. Pulp necrosis and infection were established after 2 weeks and the disinfection of the canals was done with copious NaOCl irrigation and triantibiotic mixture (ciprofloxacin, metronidazole, and minocycline) for 3 weeks...
February 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28289081/light-modulates-metabolic-pathways-and-other-novel-physiological-traits-in-the-human-pathogen-acinetobacter-baumannii
#7
Gabriela L Müller, Marisel Tuttobene, Matías Altilio, Maitena Martinez Amezaga, Meaghan Nguyen, P Pamela Cribb, Larisa E Cybulski, María Soledad Ramírez, Silvia Altabe, María Alejandra Mussi
Light sensing in chemotrophic bacteria has been relatively recently ascertained. In the human pathogen Acinetobacter baumannii, light modulates motility, biofilm formation and virulence through the BLUF photoreceptor BlsA. In addition, light can induce reduction in susceptibility to certain antibiotics such as minocycline and tigecycline in a photoreceptor-independent manner. In this work we identified new traits whose expression are modulated by light in this pathogen, which comprise not only important determinants related to pathogenicity and antibiotic resistance, but also metabolic pathways, which represents a novel concept for chemotrophic bacteria...
March 13, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28288170/therapeutic-efficacy-of-azithromycin-clarithromycin-minocycline-and-tosufloxacin-against-macrolide-resistant-and-macrolide-sensitive-mycoplasma-pneumoniae-pneumonia-in-pediatric-patients
#8
Nobuhisa Ishiguro, Naoko Koseki, Miki Kaiho, Tadashi Ariga, Hideaki Kikuta, Takehiro Togashi, Koji Oba, Keisuke Morita, Naoko Nagano, Masanori Nakanishi, Kazuya Hara, Kyosuke Hazama, Toru Watanabe, Tatsuru Yamanaka, Satoshi Sasaki, Hideto Furuyama, Mutsuo Shibata, Satoru Shida, Akihito Ishizaka, Yuichi Tabata, Hayato Aoyagi, Hiroyuki Naito, Mikio Yoshioka, Atsuko Horino, Tsuyoshi Kenri
OBJECTIVE: To clarify therapeutic effects of azithromycin, clarithromycin, minocycline and tosufloxacin against macrolide-resistant Mycoplasma pneumoniae (MRMP) pneumonia and against macrolide-sensitive Mycoplasma pneumoniae (MSMP) pneumonia in pediatric patients. METHODS: A prospective, multicenter observational study was conducted from July 2013 to August 2015. The therapeutic effects of azithromycin, clarithromycin, minocycline and tosufloxacin were evaluated in 59 patients with pneumonia caused by MRMP and in 50 patients with pneumonia caused by MSMP...
2017: PloS One
https://www.readbyqxmd.com/read/28286285/minocycline-reduces-mechanical-allodynia-and-depressive-like-behaviour-in-type-1-diabetes-mellitus-in-the-rat
#9
Diana Amorim, Sónia Puga, Rui Bragança, António Braga, Antti Pertovaara, Armando Almeida, Filipa Pinto-Ribeiro
A common and devastating complication of diabetes mellitus is painful diabetic neuropathy (PDN) that can be accompanied by emotional disorders such as depression. A few studies have suggested that minocycline that inhibits microglia may attenuate pain hypersensitivity in PDN. Moreover, a recent study reported that minocycline has an acute antidepressive-like effect in diabetic animals. Here we studied whether (i) prolonged minocycline treatment suppresses pain behaviour in PDN, (ii) the minocycline effect varies with submodality of pain, and (iii) the suppression of pain behaviour by prolonged minocycline treatment is associated with antidepressive-like effect...
March 7, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28284907/minocycline-protects-rescues-and-prevents-knockdown-transgenic-parkin-drosophila-against-paraquat-iron-toxicity-implications-for-autosomic-recessive-juvenile-parkinsonism
#10
Hector Flavio Ortega-Arellano, Marlene Jimenez-Del-Rio, Carlos Velez-Pardo
Autosomal recessive Juvenile Parkinsonism (AR-JP) is a chronic, progressive neurodegenerative disorder caused by mutation in the PARKIN gene, and invariably associated with dopaminergic (DAergic) neuronal loss and brain iron accumulation. Since current medical therapy is symptomatic and lacks significant disease-modifying effects, other treatment approaches are urgently needed it. In the present work, we investigate the role of minocycline (MC) in paraquat (PQ)/iron-induced neurotoxicity in the Drosophila TH > parkin-RNAi/+ (w[*]; UAS-parkin-RNAi; TH-GAL4) fly and have shown the following: (i) MC increased life span and restored the locomotor activity of knockdown (KD) transgenic parkin flies in comparison with the control (vehicle) group; (ii) MC at low (0...
March 8, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28279078/nano-carrier-mediated-co-delivery-of-methyl-prednisolone-and-minocycline-for-improved-post-traumatic-spinal-cord-injury-conditions-in-rats
#11
Xiao-Feng Wu, Zi-Hui Zhou
OBJECTIVE: To investigate the fate of albumin coupled nanoparticulate system over non-targeted drug carrier in the treatment of hemisectioned spinal cord injury (SCI). SIGNIFICANCE: Targeted delivery of methyl prednisolone (MP) and minocycline (MC) portrayed improved therapeutic efficacy as compared to non-targeted nanoparticles. METHODS: Albumin coupled, Chitosan stabilized, and cationic nanoparticles (albumin-MP + MC-NPS) of poly-(lactide-co-glycolic acid) were prepared using the emulsion solvent evaporation method...
March 10, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28274034/efficacy-of-triple-antibiotic-paste-moxifloxacin-calcium-hydroxide-and-2-chlorhexidine-gel-in-elimination-of-e-faecalis-an-in-vitro-study
#12
Ashik Ali Lakhani, K S Sekhar, Pankaj Gupta, Bellam Tejolatha, Anjali Gupta, Shruti Kashyap, Veena Desai, Shanin Farista
INTRODUCTION: Root canal treatment is incomplete without usage of intra canal medicaments. They help in the reduction of bacterial count and its by-products, making canals clean and decreasing postoperative pains. AIM: The aim of this study was to evaluate and compare the antimicrobial activity of triple antibiotic paste, Moxifloxacin, calcium hydroxide and 2% Chlorhexidine (CHX) gel in elimination of Enterococcous faecalis (E. faecalis). MATERIALS AND METHODS: Seventy-five root blocks were obtained from extracted single rooted human teeth...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28264853/pharmacokinetics-and-pharmacodynamics-of-minocycline-against-acinetobacter-baumannii-in-a-neutropenic-murine-pneumonia-model
#13
Jian Zhou, Kimberly R Ledesma, Kai-Tai Chang, Henrietta Abodakpi, Song Gao, Vincent H Tam
Multi-drug resistant (MDR) Acinetobacter baumannii is increasingly more prevalent in nosocomial infections. Although in vitro susceptibility of A. baumannii to minocycline is promising, the in vivo efficacy of minocycline has not been well established. In this study, the in vivo activity of minocycline was evaluated in a neutropenic murine pneumonia model. Specifically, we investigated the relationship between minocycline exposure and bactericidal activity using 5 A. baumannii isolates with a broad range of susceptibility (MIC ranged from 0...
March 6, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28262112/confluent-and-reticulated-papillomatosis-with-linear-pseudo-striae-a-description-of-20-cases
#14
C A Morales-Cardona, C Tejada-Figueroa, D M Méndez-Velasco
Confluent and reticulated papillomatosis, also known as Gougerot-Carteaud Syndrome, is a rare chronic disease typically affecting young adults. Of unknown etiology, the condition is characterised by oval grayish-brown or erythematous papules that coalesce to form a reticular pattern, usually on the trunk, especially in the intermammary or interscapular region and on the neck. Diagnosis is primarily clinical, based on the appearance of the lesions, the areas affected, and the response to treatment with minocycline...
March 2, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28260081/minocycline-attenuates-sevoflurane-induced-cell%C3%A2-injury-via-activation-of-nrf2
#15
Yue Tian, Xiuying Wu, Shanbin Guo, Ling Ma, Wei Huang, Xiaochun Zhao
Minocycline has been demonstrated to exert neuroprotective effects in various experimental models. In the present study, we investigated the mechanisms underlying the protective effects of minocycline on cell injury induced by the inhalation of the anesthetic, sevoflurane. In our in vivo experiments using rats, minocycline attenuated sevoflurane-induced neuronal degeneration and apoptosis in the rat hippocampus, and this effect was associated with the minocycline-mediated suppression of oxidative stress in the hippocampus...
February 28, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28259714/protective-effect-of-losartan-and-ramipril-against-stress-induced-insulin-resistance-and-related-complications-anti-inflammatory-mechanisms
#16
Barinder Singh, Ashish Mourya, Sangeeta Pilkhwal Sah, Anil Kumar
Chronic restraint stress (CRS) is known to cause various behavioural and biochemical alterations, leading to several negative health outcomes. The present study was designed to explore the impact of inhibiting Renin angiotensin aldosterone system (RAAS) and inflammatory pathways in stress pathophysiology. In the present study, male LACA mice were subjected to restraint stress daily for 30 days. Losartan, nimesulide, ramipril, minocycline and their combinations were administered 45min prior to restraint stress daily and their effects were observed...
March 1, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28259273/a-double-blind-placebo-randomized-controlled-trial-of-minocycline-to-reduce-pain-after-carpal-tunnel-and-trigger-finger-release
#17
Catherine M Curtin, Debbie Kenney, Paola Suarez, Vincent R Hentz, Tina Hernandez-Boussard, Sean Mackey, Ian R Carroll
PURPOSE: Minocycline is a microglial cell inhibitor and decreases pain behaviors in animal models. Minocycline might represent an intervention for reducing postoperative pain. This trial tested whether perioperative administration of minocycline reduced time to pain resolution (TPR) after standardized hand surgeries with known prolonged pain profiles: carpal tunnel release (CTR) and trigger finger release (TFR). METHODS: This double-blinded randomized controlled trial included patients undergoing CTR or TFR under local anesthesia...
March 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28259044/neuroimmune-mechanisms-of-behavioral-alterations-in-a-syngeneic-murine-model-of-human-papilloma-virus-related-head-and-neck-cancer
#18
Elisabeth G Vichaya, Daniel W Vermeer, Diana L Christian, Jessica M Molkentine, Kathy A Mason, John H Lee, Robert Dantzer
Patients with cancer often experience a high symptom burden prior to the start of treatment. As disease- and treatment-related neurotoxicities appear to be additive, targeting disease-related symptoms may attenuate overall symptom burden for cancer patients and improve the tolerability of treatment. It has been hypothesized that disease-related symptoms are a consequence of tumor-induced inflammation. We tested this hypothesis using a syngeneic heterotopic murine model of human papilloma virus (HPV)-related head and neck cancer...
February 11, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28258235/antibiotic-non-antibiotic-combinations-for-combating-extremely-drug-resistant-gram-negative-superbugs
#19
REVIEW
Elena K Schneider, Felisa Reyes-Ortega, Tony Velkov, Jian Li
The emergence of antimicrobial resistance of Gram-negative pathogens has become a worldwide crisis. The status quo for combating resistance is to employ synergistic combinations of antibiotics. Faced with this fast-approaching post-antibiotic era, it is critical that we devise strategies to prolong and maximize the clinical efficacy of existing antibiotics. Unfortunately, reports of extremely drug-resistant (XDR) Gram-negative pathogens have become more common. Combining antibiotics such as polymyxin B or the broad-spectrum tetracycline and minocycline with various FDA-approved non-antibiotic drugs have emerged as a novel combination strategy against otherwise untreatable XDR pathogens...
February 28, 2017: Essays in Biochemistry
https://www.readbyqxmd.com/read/28257816/evaluation-of-trimethoprim-sulfamethoxazole-based-combination-therapy-against-stenotrophomonas-maltophilia-in-vitro-effects-and-clinical-efficacy-in-cancer-patients
#20
Hideki Araoka, Masaru Baba, Chikako Okada, Masahiro Abe, Muneyoshi Kimura, Akiko Yoneyama
OBJECTIVES: The aim of this study was to evaluate the in vitro effects and clinical efficacies of trimethoprim-sulfamethoxazole (SXT) combined with other antimicrobial agents against Stenotrophomonas maltophilia. METHODS: In vitro analysis was conducted on 89S. maltophilia strains isolated from blood and the respiratory tract between June 2012 and October 2014. Levofloxacin (LVX), ticarcillin-clavulanic acid (TIM), and minocycline (MIN) were selected for an examination of their effects when individually combined with SXT by the checkerboard method...
February 28, 2017: International Journal of Infectious Diseases: IJID
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