keyword
MENU ▼
Read by QxMD icon Read
search

MDR

keyword
https://www.readbyqxmd.com/read/29333658/in-situ-shrna-synthesis-on-dna-polylactide-nanoparticles-to-treat-multidrug-resistant-breast-cancer
#1
Qianqian Ni, Fuwu Zhang, Yunlei Zhang, Guizhi Zhu, Zhe Wang, Zhaogang Teng, Chunyan Wang, Bryant C Yung, Gang Niu, Guangming Lu, Longjiang Zhang, Xiaoyuan Chen
Nanomedicine has shown unprecedented potential for cancer theranostics. Nucleic acid (e.g., DNA and RNA) nanomedicines are of particular interest for combination therapy with chemotherapeutics. However, current nanotechnologies to construct such nucleic acid nanomedicines, which rely on chemical conjugation or physical complexation of nucleic acids with chemotherapeutics, have restrained their clinical translation due to limitations such as low drug loading efficiency and poor biostability. Herein, in situ rolling circle transcription (RCT) is applied to synthesize short hairpin RNA (shRNA) on amphiphilic DNA-polylactide (PLA) micelles...
January 15, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29332649/isoniazid-and-rifampicin-heteroresistant-mycobacterium-tuberculosis-isolated-from-tuberculous-meningitis-patients-in-india
#2
Renu Gupta, Rajeev Thakur, Suman Kushwaha, Nupur Jalan, Pumanshi Rawat, Piyush Gupta, Amitesh Aggarwal, Meena Gupta, Vikas Manchanda
BACKGROUND: Heteroresistant Mycobacterium tuberculosis (mixture of susceptible and resistant subpopulations) is thought to be a preliminary stage to full resistance and timely detection, initiation of correct treatment is vital for successful anti tubercular therapy. The aim of this study was to detect multi drug resistant (MDR) and heteroresistant M. tuberculosis with the associated gene mutations from patients of tuberculous meningitis. METHODS: A total of 197 M...
January 2018: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/29332647/social-support-a-key-factor-for-adherence-to-multidrug-resistant-tuberculosis-treatment
#3
R D Deshmukh, D J Dhande, K S Sachdeva, A N Sreenivas, A M V Kumar, M Parmar
BACKGROUND: Multidrug-resistant tuberculosis (MDR-TB) is emerging as a major public health problem globally. Treatment success rates in MDR-TB across the globe are not encouraging as completing MDR-TB treatment successfully is challenging due to high proportion of lost to follow up. METHODS: Using qualitative methods and grounded theory approach, in-depth interviews were conducted with MDR-TB patients and treatment providers. The social cognitive framework was explored as a way to guide understanding of the factors affecting treatment adherence among MDR-TB patients...
January 2018: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/29332216/characteristics-of-arg-carrying-plasmidome-in-the-cultivable-microbial-community-from-wastewater-treatment-system-under-high-oxytetracycline-concentration
#4
Yanhong Shi, Hong Zhang, Zhe Tian, Min Yang, Yu Zhang
Studies on antibiotic production wastewater have shown that even a single antibiotic can select for multidrug resistant bacteria in aquatic environments. It is speculated that plasmids are an important mechanism of multidrug resistance (MDR) under high concentrations of antibiotics. Herein, two metagenomic libraries were constructed with plasmid DNA extracted from cultivable microbial communities in a biological wastewater treatment reactor supplemented with 0 (CONTROL) or 25 mg/L of oxytetracycline (OTC-25)...
January 13, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29331420/dacomitinib-antagonizes-multidrug-resistance-mdr-in-cancer-cells-by-inhibiting-the-efflux-activity-of-abcb1-and-abcg2-transporters
#5
Ying-Fang Fan, Wei Zhang, Leli Zeng, Zi-Ning Lei, Chao-Yun Cai, Pranav Gupta, Dong-Hua Yang, Qingbin Cui, Zuo-Dong Qin, Zhe-Sheng Chen, Louis D Trombetta
The development of multidrug resistance (MDR) to chemotherapy remains a major challenge in the treatment of cancer. Numerous mechanisms have been recognized that cause MDR, but one of the most important mechanisms is overexpression of adenosine triphosphate (ATP)-binding cassette (ABC) transporters, through which the efflux of various anticancer drugs against their concentration gradients is powered by ATP. In recent years, small molecular tyrosine kinase inhibitors (TKIs) have been developed for treatment in various human cancers overexpressing epidermal growth factor receptor (EGFR)...
January 10, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29330016/clinical-impact-of-delayed-catheter-removal-for-patients-with-central-venous-catheter-related-gram-negative-bacteremia
#6
Yu-Mi Lee, Chisook Moon, Young Jin Kim, Hee-Joo Lee, Mi Suk Lee, Ki-Ho Park
BACKGROUND: Gram-negative bacteria are increasingly the cause of catheter-related bloodstream infections (CRBSI), which show a rapidly rising prevalence of multidrug-resistant strains. We evaluated the impact of delayed central venous catheter (CVC) removal on clinical outcomes in patients with gram-negative CRBSI. METHODS: Between January 2007 and December 2016, patients with gram-negative bacteremia and CVC placement, from two tertiary care hospitals, were retrospectively included...
January 9, 2018: Journal of Hospital Infection
https://www.readbyqxmd.com/read/29328428/regulation-of-drug-resistance-and-metastasis-of-gastric-cancer-cells-via-the-microrna647-ank2-axis
#7
Wenlong Cao, Weiyuan Wei, Zexu Zhan, Dongyi Xie, Yubo Xie, Qiang Xiao
Due to a lack of effective methods for early diagnosis, the majority of patients with gastric cancer (GC) are diagnosed during the late stages of the disease, which are often accompanied by metastasis. For these patients, despite being considered an important therapeutic modality in the treatment of cancer, chemotherapy is usually not effective due to multidrug resistance (MDR). The expression levels of MDR/metastasis‑associated genes are regulated by numerous microRNAs (miRNAs/miRs). The expression of miR-647 in GC tissues and SGC7901/VCR cell line (drug resistance to vincristine) was detected by qRT-PCR...
January 11, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29327480/membrane-active-peptide-pv3-efficiently-eradicates-multidrug-resistant-pseudomonas-aeruginosa-in-a-mouse-model-of-burn-infection
#8
Hamed Memariani, Delavar Shahbazzadeh, Jean-Marc Sabatier, Kamran Pooshang Bagheri
The aim of this study was to evaluate the topical bactericidal activity of peptide PV3 against a MDR isolate of Pseudomonas aeruginosa in a mouse model of burn infection. The structural analysis of PV3 by circular dichroism spectroscopy indicated a low peptide helical content in water, whereas a high helical content was observed in the presence of the more hydrophobic 50% (v/v) trifluoroethanol/water buffer. A confocal microscopy analysis indicated that the main action of PV3 occurred at the membrane of bacteria...
January 12, 2018: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/29326013/a-cluster-of-multidrug-resistant-mycobacterium-tuberculosis-among-patients-arriving-in-europe-from-the-horn-of-africa-a-molecular-epidemiological-study
#9
Timothy M Walker, Matthias Merker, Astrid M Knoblauch, Peter Helbling, Otto D Schoch, Marieke J van der Werf, Katharina Kranzer, Lena Fiebig, Stefan Kröger, Walter Haas, Harald Hoffmann, Alexander Indra, Adrian Egli, Daniela M Cirillo, Jérôme Robert, Thomas R Rogers, Ramona Groenheit, Anne T Mengshoel, Vanessa Mathys, Marjo Haanperä, Dick van Soolingen, Stefan Niemann, Erik C Böttger, Peter M Keller
BACKGROUND: The risk of tuberculosis outbreaks among people fleeing hardship for refuge in Europe is heightened. We describe the cross-border European response to an outbreak of multidrug-resistant tuberculosis among patients from the Horn of Africa and Sudan. METHODS: On April 29 and May 30, 2016, the Swiss and German National Mycobacterial Reference Laboratories independently triggered an outbreak investigation after four patients were diagnosed with multidrug-resistant tuberculosis...
January 8, 2018: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29326010/genomics-of-corynebacterium-striatum-an-emerging-multi-drug-resistant-pathogen-of-immunocompromised-patients
#10
Kathleen Nudel, Xiaomin Zhao, Sankha Basu, Xiaoxi Dong, Maria Hoffmann, Michael Feldgarden, Marc Allard, Michael Klompas, Lynn Bry
OBJECTIVES: Corynebacterium striatum is an emerging multi-drug resistant (MDR) pathogen of immunocompromised and chronically ill patients. The objective of these studies was to provide a detailed genomic analysis of disease causing C. striatum and determine the genomic drivers of resistance and resistance-gene transmission. METHODS: A multi-institutional and prospective pathogen genomics program flagged seven MDR C. striatum infections occurring close in time, and specifically in immunocompromised patients with underlying respiratory diseases...
January 8, 2018: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29325589/catastrophic-total-costs-in-tuberculosis-affected-households-and-their-determinants-since-indonesia-s-implementation-of-universal-health-coverage
#11
Ahmad Fuady, Tanja A J Houweling, Muchtaruddin Mansyur, Jan Hendrik Richardus
BACKGROUND: As well as imposing an economic burden on affected households, the high costs related to tuberculosis (TB) can create access and adherence barriers. This highlights the particular urgency of achieving one of the End TB Strategy's targets: that no TB-affected households have to face catastrophic costs by 2020. In Indonesia, as elsewhere, there is also an emerging need to provide social protection by implementing universal health coverage (UHC). We therefore assessed the incidence of catastrophic total costs due to TB, and their determinants since the implementation of UHC...
January 12, 2018: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/29325204/a-transformable-chimeric-peptide-for-cell-encapsulation-to-overcome-multidrug-resistance
#12
Chi Zhang, Li-Han Liu, Wen-Xiu Qiu, Yao-Hui Zhang, Wen Song, Lu Zhang, Shi-Bo Wang, Xian-Zheng Zhang
Multidrug resistance (MDR) remains one of the biggest obstacles in chemotherapy of tumor mainly due to P-glycoprotein (P-gp)-mediated drug efflux. Here, a transformable chimeric peptide is designed to target and self-assemble on cell membrane for encapsulating cells and overcoming tumor MDR. This chimeric peptide (C16 -K(TPE)-GGGH-GFLGK-PEG8 , denoted as CTGP) with cathepsin B-responsive and cell membrane-targeting abilities can self-assemble into nanomicelles and further encapsulate the therapeutic agent doxorubicin (termed as CTGP@DOX)...
January 11, 2018: Small
https://www.readbyqxmd.com/read/29325167/a-multicentre-study-of-antifungal-susceptibility-patterns-among-350-candida-auris-isolates-2009-17-in-india-role-of-the-erg11-and-fks1-genes-in-azole-and-echinocandin-resistance
#13
Anuradha Chowdhary, Anupam Prakash, Cheshta Sharma, Milena Kordalewska, Anil Kumar, Smita Sarma, Bansidhar Tarai, Ashutosh Singh, Gargi Upadhyaya, Shalini Upadhyay, Priyanka Yadav, Pradeep K Singh, Vikas Khillan, Neelam Sachdeva, David S Perlin, Jacques F Meis
Background: Candida auris has emerged globally as an MDR nosocomial pathogen in ICU patients. Objectives: We studied the antifungal susceptibility of C. auris isolates (n = 350) from 10 hospitals in India collected over a period of 8 years. To investigate azole resistance, ERG11 gene sequencing and expression profiling was conducted. In addition, echinocandin resistance linked to mutations in the C. auris FKS1 gene was analysed. Methods: CLSI antifungal susceptibility testing of six azoles, amphotericin B, three echinocandins, terbinafine, 5-flucytosine and nystatin was conducted...
January 9, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29325009/efficient-generation-of-complete-sequences-of-mdr-encoding-plasmids-by-rapid-assembly-of-minion-barcoding-sequencing-data
#14
Ruichao Li, Miaomiao Xie, Ning Dong, Dachuan Lin, Xuemei Yang, Marcus Ho Yin Wong, Edward Wai-Chi Chan, Sheng Chen
Background: Multidrug resistance (MDR)-encoding plasmids are considered major molecular vehicles responsible for transmission of antibiotic resistance genes among bacteria of the same or different species. Delineating the complete sequences of such plasmids could provide valuable insight into the evolution and transmission mechanisms underlying bacterial antibiotic resistance development. However, due to the presence of multiple repeats of mobile elements, complete sequencing of MDR plasmids remains technically complicated, expensive and time-consuming...
January 9, 2018: GigaScience
https://www.readbyqxmd.com/read/29324355/drug-mediation-formation-of-nanohybrids-for-sequential-therapeutic-delivery-in-cancer-cells
#15
Bingjie Zhou, Bozhen Wu, Jine Wang, Qihong Qian, Jing Wang, Hongbin Xu, Sun Yang, Pan Feng, Wu Chen, Yulin Li, Jia Jiang, Baosan Han
In order to overcome the multidrug resistance (MDR) of tumor cells, it is very important to develop nanocarriers which can effectively load drugs while releasing them in a sequential way. Herein, nanohybrids with such properties have been fabricated by a first loading of one anticancer drug onto a silicate nanodisk (Laponite (LP), 25 nm in diameter and 0.92 nm in thickness) and a subsequent assembly with a pH sensitive poly(N-vinylpyrrolidone) (PVP) as a protective layer, followed by a loading of with another anticancer drug...
December 29, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29321257/the-antimicrobial-peptide-saap-148-combats-drug-resistant-bacteria-and-biofilms
#16
Anna de Breij, Martijn Riool, Robert A Cordfunke, Nermina Malanovic, Leonie de Boer, Roman I Koning, Elisabeth Ravensbergen, Marnix Franken, Tobias van der Heijde, Bouke K Boekema, Paulus H S Kwakman, Niels Kamp, Abdelouahab El Ghalbzouri, Karl Lohner, Sebastian A J Zaat, Jan W Drijfhout, Peter H Nibbering
Development of novel antimicrobial agents is a top priority in the fight against multidrug-resistant (MDR) and persistent bacteria. We developed a panel of synthetic antimicrobial and antibiofilm peptides (SAAPs) with enhanced antimicrobial activities compared to the parent peptide, human antimicrobial peptide LL-37. Our lead peptide SAAP-148 was more efficient in killing bacteria under physiological conditions in vitro than many known preclinical- and clinical-phase antimicrobial peptides. SAAP-148 killed MDR pathogens without inducing resistance, prevented biofilm formation, and eliminated established biofilms and persister cells...
January 10, 2018: Science Translational Medicine
https://www.readbyqxmd.com/read/29319523/temperature-ph-and-trimethoprim-sulfamethoxazole-are-potent-inhibitors-of-biofilm-formation-by-stenotrophomonas-maltophilia-clinical-isolates
#17
Marjan Biočanin, Haowa Madi, Zorica Vasiljević, Milan Kojić, Branko Jovčić, Jelena Lozo
Stenotrophomonas maltophilia, an opportunistic pathogen usually connected with healthcare-associated infections, is an environmental bacterium. Intrinsic resistance to multiple antibiotics, with different virulence determinants in the last decade classified this bacterium in the group of global multiple drug resistant (MDR) organism. S. maltophilia clinical isolates, were collected from tertiary care pediatric hospital in Belgrade, Serbia to investigate influence of different factors on biofilm formation, kinetics of biofilm formation for strong biofilm producers and effect of trimethoprim-sulfamethoxazole (TMP/SMX) on formed biofilm...
December 4, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/29319167/antibody-drug-conjugates-promising-and-efficient-tools-for-targeted-cancer-therapy
#18
REVIEW
Hadi Nasiri, Zahra Valedkarimi, Leili Aghebati-Maleki, Jafar Majidi
Over the recent decades, the use of antibody-drug conjugates (ADCs) has led to a paradigm shift in cancer chemotherapy. Antibody-based treatment of various human tumors has presented dramatic efficacy and is now one of the most promising strategies used for targeted therapy of patients with a variety of malignancies, including hematological cancers and solid tumors. Monoclonal antibodies (mAbs) are able to selectively deliver cytotoxic drugs to tumor cells, which express specific antigens on their surface, and has been suggested as a novel category of agents for use in the development of anticancer targeted therapies...
January 10, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29319042/multidrug-resistant-tuberculosis-rifampicin-resistant-tuberculosis-principles-of-management
#19
Rajendra Prasad, Nikhil Gupta, Amitabh Banka
Multidrug-resistant tuberculosis (MDR-TB)/rifampicin-resistant TB (RR-TB) is human-made problem and emerging due to poor management of TB and is a threat to control of TB. Early suspicion and diagnosis are important. Culture and drug susceptibility testing are gold standards, but newer molecular methods help in rapid diagnosis. Once diagnosed, prompt treatment should be started, preferably under direct observation. Treatment can be standardized or individualized. Conventional regimen takes up to 24 months but recently shorter regimen of up to 12 months was introduced in specific subset of MDR-TB/RR-TB patients...
January 2018: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/29319026/sequelae-of-pulmonary-multidrug-resistant-tuberculosis-at-the-completion-of-treatment
#20
Rupak Singla, Manashree Mallick, Parul Mrigpuri, Neeta Singla, Amitesh Gupta
BACKGROUND: Treatment of multidrug-resistant (MDR-TB) mainly focuses on bacteriological cure. However, only limited studies have evaluated the sequelae left after the completion of treatment among MDR-TB patients. OBJECTIVE: To assess the persistent symptoms, radiological sequelae, pulmonary function impairment and quality of life at the completion of treatment among MDR-TB patients. METHODS: Forty six MDR-TB patients were enrolled, who completed two years of treatment under programmatic management of Drug Resistant tuberculosis at a tertiary referral institute in Delhi, India...
January 2018: Lung India: Official Organ of Indian Chest Society
keyword
keyword
36325
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"