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Role of Efflux Pump Gene adeIJK to Multidrug Resistance in Acinetobacter baumannii Clinical Isolates

Choi JA, Kim CM, Jang SJ, Cho SS, Jang CH, Ko YJ, Kang SH, Park G

BACKGROUND: The emergence of multidrug-resistant Acinetobacter baumannii as a nosocomial pathogen is one of the major public health problems. The aim of this study was to evaluate the role of...
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Livestock-associated methicillin-resistant Staphylococcus aureus in Korea: antimicrobial resistance and molecular characteristics of LA-MRSA strains isolated from pigs, pig farmers, and farm environment

Back SH, Eom HS, Lee HH, Lee GY, Park KT, Yang SJ

The emergence of livestock-associated (LA)-methicillin-resistant Staphylococcus aureus (MRSA) in livestock animal has become a significant zoonotic concern. In the present study, we investigated nationwide prevalence of LA-MRSA across pork production...
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Management of Antibiotic-Resistant Helicobacter pylori Infection: Perspectives from Vietnam

Van Khien , Thang DM, Hai TM, Duat NQ, Khanh PH, Ha DT, Binh TT, Dung HD, Trang TT, Yamaoka Y

Antibiotic resistance is the most important factor leading to the failure of eradication regimens. This review focuses on the prevalence of Helicobacter pylori primary and secondary resistance to clarithromycin, metronidazole,...
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Characteristics, management and clinical outcomes of patients with sepsis: a multicenter cohort study in Korea

Jeon K, Na SJ, Oh DK, Park S, Choi EY, Kim SC, Seong GM, Heo J, Chang Y, Kwack WG, Kang BJ, Choi WI, Kim KC, Park SY, Kwak SH, Shin YM, Lee HB, Park SH, Cho JH, Kim B, Lim CM, Korean Sepsis Alliance (KSA) study group

BACKGROUND: Mortality rates associated with sepsis have increased progressively in Korea, but domestic epidemiologic data remain limited. The objective of this study was to investigate the characteristics, management and clinical...
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Nkx-2.5 Regulates MDR1 Expression via Its Upstream Promoter in Breast Cancer Cells

Lim JS, Jung GY, Park SY

BACKGROUND: Increased expression of MDR1 gene is one of the major mechanisms responsible for multidrug resistance in cancer cells. Two alternative promoters, upstream and downstream, are responsible for transcription of...
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Carriage of Staphylococcus schleiferi from canine otitis externa: antimicrobial resistance profiles and virulence factors associated with skin infection

Lee GY, Lee HH, Hwang SY, Hong J, Lyoo KS, Yang SJ

The recent emergence of Staphylococcus schleiferi in dogs with otitis externa or skin and soft tissue infections has become a significant zoonotic issues. In the current study, we investigated 1)...
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ABCB1 and BMI1 mRNA expression in patients with chronic myeloid leukemia: impact on imatinib efficacy

Bedewy AM, Elmaghraby SM, Kandil NS

BACKGROUND: ATP-binding cassette transporters are important in the mechanism of multidrug resistance. ABCB1 displays a high affinity for imatinib. BMI1 is a polycomb group protein thought to be overexpressed in...
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RND efflux pump systems in Acinetobacter, with special emphasis on their role in quorum sensing

Subhadra B, Oh MH, Choi CH

Acinetobacter is an important opportunistic, multidrug resistant pathogen causing majority of nosocomial infections worldwide. The multidrug resistance is attributed by a plethora of efflux pumps and the overexpression of the...
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Clinical Characteristics and Antimicrobial Susceptibility Trends in Citrobacter Bacteremia: An 11-Year Single-Center Experience

Lee R, Choi SM, Jo SJ, Lee J, Cho SY, Kim SH, Lee DG, Jeong HS

BACKGROUND: Recently, Citrobacter freundii bacteremia outbreak in a neonatal intensive care unit has attracted public attention in Korea. However, Citrobacter bacteremia is uncommon and usually occurs in patients with underlying...
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Early Detection and Analysis of Children with Multidrug-Resistant Tuberculosis of the Spine

Arockiaraj J, Robert M, Rose W, Amritanand R, David KS, Krishnan V

STUDY DESIGN: Retrospective case series. PURPOSE: The aim of the study is to report the clinical characteristics, early diagnosis, management, and outcome of children with multidrug-resistant (MDR) tubercular spondylodiscitis and to...
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Multidrug-Resistant, Gram-Negative Bacteria in Hospitalized Elderly Patients from Non-Hospital Long-Term Care Facilities

Kim M, Shin J, Jeong Y, Cho J, Choi JP

BACKGROUND/AIMS: We investigated the risk of multidrug-resistant, gram-negative bacteria (MDRGNB) in hospitalized elderly patients from non-hospital long-term care facilities (LTCFs) and the antibiotic prescription pattern. METHODS: All clinical cultures obtained within...
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Molecular Epidemiologic Study of a Methicillin-resistant Staphylococcus aureus Outbreak at a Newborn Nursery and Neonatal Intensive Care Unit

Kang HM, Park KC, Lee KY, Park J, Park SH, Lee DG, Kim JH

PURPOSE: This study aimed to investigate the molecular epidemiology of a methicillin-resistant Staphylococcus aureus (MRSA) outbreak at a newborn nursery and neonatal intensive care unit (NICU). METHODS: During the outbreak, from...
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Characteristic profiles of biofilm, enterotoxins and virulence of Staphylococcus aureus isolates from dairy cows in Xinjiang Province, China

Wu Y, Li J, Qiao M, Meng D, Meng Q, Qiao J, Zhang X, Wang L, Cai K, Zhang J, Zhang Z, Yu W, Cai X

As an important zoonotic pathogen, Staphylococcus aureus has led to serious mastitis and endometritis in infected dairy cows. In this study, a total of 164 strains of S. aureus were...
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Prevalence and characteristics of livestock-associated methicillin-susceptible Staphylococcus aureus in the pork production chain in Korea

Eom HS, Back SH, Lee HH, Lee GY, Yang SJ

The emergence and prevalence of methicillin-resistant Staphylococcus aureus (MRSA) and methicillin-susceptible S. aureus (MSSA) in livestock animals have become a worldwide public health concern. While the prevalence and genetic profiles...
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Hsa-miRNA-143-3p Reverses Multidrug Resistance of Triple-Negative Breast Cancer by Inhibiting the Expression of Its Target Protein Cytokine-Induced Apoptosis Inhibitor 1 In Vivo

Deng YW, Hao WJ, Li YW, Li YX, Zhao BC, Lu D

PURPOSE: Multidrug resistance (MDR) remains a major obstacle in the treatment of triple-negative breast cancer (TNBC) with conventional chemotherapeutic agents. A previous study demonstrated that hsa-miRNA-143-3p plays a vital role...
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Healthcare-Associated Urinary Tract Infection: Multi Drug Resistance and Risk Factors

Choi JB, Lee SJ

A new category of infections called healthcare-associated (HCA) infections was created due to increased procedures performed in outpatient clinics of hospitals. The risk of HCA infections is on the rise...
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Participation of CCL1 in Snail-Positive Fibroblasts in Colorectal Cancer Contribute to 5-Fluorouracil/Paclitaxel Chemoresistance

Li Z, Chan K, Qi Y, Lu L, Ning F, Wu M, Wang H, Wang Y, Cai S, Du J

PURPOSE: Cancer-associated fibroblasts (CAFs) activated by cancer cells has a central role in development and malignant biological behavior in colorectal cancer (CRC). Adult fibroblasts do not express Snail, but Snail-positive...
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Patterns of rpoC Mutations in Drug-Resistant Mycobacterium tuberculosis Isolated from Patients in South Korea

Yun YJ, Lee JS, Yoo JC, Cho E, Park D, Kook YH, Lee KH

BACKGROUND: Rifampicin (RFP) is one of the principal first-line drugs used in combination chemotherapies against Mycobacterium tuberculosis, and its use has greatly shortened the duration of chemotherapy for the successful...
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Biological and Genetic Characteristics of Clinically Isolated Enterobacter cloacae with Multidrug Resistance

Kim JJ, Koo SH

BACKGROUND: From January 2014 to December 2015, 69 clones of Enterobacter cloacae showing multidrug resistance to six classes of antimicrobial agents were collected from two medical centers in Korea. METHODS: Minimum...
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Carbapenem-resistant Enterobacteriaceae in Korea

Kim J

Carbapenem-resistant Enterobacteriaceae (CRE) has emerged as a major problem of public health. By various resistance mechanisms including carbapenemase, there are few antibiotics to treat CRE infection. Therefore, an infection caused...
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