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https://www.readbyqxmd.com/read/29331587/il-23-il-17-immune-axis-in-guillain-barr%C3%A3-syndrome-exploring-newer-vistas-for-understanding-pathobiology-and-therapeutic-implications
#1
REVIEW
Monojit Debnath, Madhu Nagappa, Geetanjali Murari, Arun B Taly
Guillain Barré Syndrome (GBS) is a severe disorder of the peripheral nervous system with an inadequately known etiopathology. It is a post infectious immune mediated disorder, characterized by autoantibody production, complement activation as well as T reactivity against gangliosides. However, the precise etiopathogenesis remains poorly understood in a majority of the patients. Th17 cells, a recently identified lineage of Th cells have emerged as a predominant inducer of autoimmunity and inflammation in various immunological disorders...
January 10, 2018: Cytokine
https://www.readbyqxmd.com/read/29326375/group-b-streptococcus-septic-arthritis-of-the-hip-following-spontaneous-abortion
#2
Madeline Lyons, Elizabeth Zielinski, Jibanananda Satpathy
Group B streptococcus (GBS) infection of the hip in otherwise healthy adults is a rare entity that is previously only reported following peripartum gynaecological procedure and instrumentation. We report a case of infection of the hip with GBS following spontaneous abortion. Delay in identification of infection as the cause of pain ultimately leads to irreversible joint destruction. This case report will heighten the awareness of the first contact providers as well as orthopaedic surgeons to be more vigilant for possible septic complications associated with gynaecological procedures/complications and subsequent painful joints...
January 11, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29326294/guillain-barr%C3%A3-syndrome-in-southern-china-retrospective-analysis-of-hospitalised-patients-from-14-provinces-in-the-area-south-of-the-huaihe-river
#3
Shuping Liu, Zheman Xiao, Min Lou, Fang Ji, Bei Shao, Hongyuan Dai, Can Luo, Bo Hu, Ruiling Zhou, Zhangyu Zou, Jing Li, Xiaoyi Li, Jun Xu, Fan Hu, Chao Qin, Lian Wang, Tao Liu, Runtao Bai, Yangmei Chen, Haiyan Lv, Ruxu Zhang, Xiaoming Wang, Yunfu Wang, Shanling Ren, Xiaoming He, Zhenwei Jiang, Huiwen Wu, Donghui Yu, Wenqiong Yang, Wenjing Luo, Daokai Gong, Bin Chen, Yin Liu, Jiajia Yao, Yujie Yang, Jingxia Guan, Mingzhen Zhu, Xiujuan Fu, Genshan Gao, Hong Zhang, Man Ding, Shanghua Fan, Qian Cao, Jingyi Lu, Zuneng Lu
OBJECTIVES: The clinical and epidemiological profiles of Guillain-Barré syndrome (GBS) in southern China have yet to be fully recognised. We aimed to investigate the subtypes of GBS in southern China, compare the clinical features of demyelinating form with that of axonal form and test whether preceding infections and age have influence on the clinical phenotype, disease course and severity of GBS. METHODS: Medical records of patients with a diagnosis of GBS admitted to 31 tertiary hospitals, located in 14 provinces in southern China, from 1 January 2013 to 30 September 2016, were collected and retrospectively reviewed...
January 11, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29322703/impact-of-electrophysiological-and-clinical-variants-and-timing-of-plasmapheresis-on-outcome-of-guillain-barr%C3%A3-syndrome
#4
Bipin Amin, Himanshu Meghnathi, M D Gajjar, Tarak Patel, Jignesh Vanani, Nidhi Gupta, Anil Chauhan
Introduction: Guillain-Barré syndrome (GBS) is an autoimmune polyneuropathy causing acute flaccid paralysis and it is known to improve with plasmapheresis. Objective: To study effects of electrophysiological type of GBS, clinical variant of GBS and time taken for initiation of plasmapheresis on outcome of disease. Methods: 50 consecutive patients of GBS attending tertiary care hospital underwent clinical examination and electrophysiological studies...
November 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29321894/development-of-a-genotype-by-sequencing-immunogenetic-assay-as-exemplified-by-screening-for-variation-in-red-fox-with-and-without-endemic-rabies-exposure
#5
Michael E Donaldson, Yessica Rico, Karsten Hueffer, Halie M Rando, Anna V Kukekova, Christopher J Kyle
Pathogens are recognized as major drivers of local adaptation in wildlife systems. By determining which gene variants are favored in local interactions among populations with and without disease, spatially explicit adaptive responses to pathogens can be elucidated. Much of our current understanding of host responses to disease comes from a small number of genes associated with an immune response. High-throughput sequencing (HTS) technologies, such as genotype-by-sequencing (GBS), facilitate expanded explorations of genomic variation among populations...
January 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29321420/validity-of-the-pre-endoscopic-scoring-systems-for-the-prediction-of-the-failure-of-endoscopic-hemostasis-in-bleeding-gastroduodenal-peptic-ulcers
#6
Chikara Iino, Tadashi Shimoyama, Takasato Igarashi, Tomoyuki Aihara, Kentaro Ishii, Jyuichi Sakamoto, Hiroshi Tono, Shinsaku Fukuda
Background and Aim Although several pre-endoscopic scoring systems have been used to predict the mortality or the need for intervention for upper gastrointestinal bleeding, their usefulness to predict the failure of endoscopic hemostasis in bleeding gastroduodenal peptic ulcers has not yet been fully investigated. In this study, we evaluated the usefulness of the Glasgow-Blatchford score (GBS), the clinical Rockall score (CRS), and the AIMS65 score in predicting the failure of endoscopic hemostasis in patients with bleeding gastroduodenal peptic ulcers...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29318796/recurrent-guillain-barr%C3%A3-syndrome-following-urinary-tract-infection-by-escherichia-coli
#7
Yoon Sik Jo, Jin Yong Choi, Hong Chung, Yuseok Kim, Sang Jun Na
Recurrent Guillain-Barré syndrome (GBS) is a rare, immune-mediated disease of the peripheral nervous system. It has been reported to occur at intervals ranging from four months to 10 years; published case studies suggest that 1%-6% of patients who have had GBS will experience recurrent attacks. The most commonly identified infections coinciding with GBS are Campylobacter jejuni, Haemophilus influenzae, Mycoplasma pneumonia, and cytomegalovirus, while an antecedent infection with Escherichia coli is very uncommon...
January 22, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29317173/identification-of-a-proteomic-biomarker-associated-with-invasive-st1-serotype-vi-group-b-streptococcus-by-maldi-tof-ms
#8
Hsiao-Chuan Lin, Jang-Jih Lu, Lee-Chung Lin, Cheng-Mao Ho, Kao-Pin Hwang, Yu-Ching Liu, Chao-Jung Chen
BACKGROUND: Group B Streptococcus (GBS) is an important invasive pathogen in neonates, pregnant women and the elderly. Serotype VI GBS, which has been rarely reported globally, has emerged as a significant pathogen in Asia. However, traditional serologic latex agglutination (LA) methods may fail to type isolates that lack of or low expression of CPS. METHODS: A total of 104 GBS strains were analyzed by MALDI-TOF MS. Multiplex PCR and multilocus sequence typing (MLST) were also performed to confirm their strains...
December 30, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/29315669/guillain-barr%C3%A3-syndrome-subtype-diagnosis-a-prospective-multicentric-european-study
#9
Peter Y K Van den Bergh, Françoise Piéret, John L Woodard, Shahram Attarian, Aude-Marie Grapperon, Guillaume Nicolas, Marion Brisset, Julien Cassereau, Yusuf A Rajabally, Vinciane Van Parijs, Donatienne Verougstraete, Philippe Jacquerye, Jean-Marc Raymackers, Céline Redant, Claure Michel, Emilien Delmont
INTRODUCTION: There is uncertainty as to whether the Guillain-Barré syndrome (GBS) subtypes, acute inflammatory demyelinating polyradiculoneuropathy (AIDP) and acute motor axonal neuropathy (AMAN), can be diagnosed electrophysiologically. METHODS: We prospectively included 58 GBS patients. Electrophysiology was performed at means of 5 and 33 days after disease onset. Two traditional and one recent criteria sets were used to classify studies as demyelinating or axonal...
January 5, 2018: Muscle & Nerve
https://www.readbyqxmd.com/read/29313470/serological-markers-of-recent-campylobacter-jejuni-infection-in-patients-with-guillain-barr%C3%A3-syndrome-in-the-state-of-piau%C3%A3-brazil-2014-2016
#10
Cyntia O Souza, Marcelo A C S Vieira, Francisca M A Batista, Kelsen D Eulálio, Jéssica M M Neves, Laís C Sá, Leni C R Monteiro, Walfrido S Almeida-Neto, Raimunda S S Azevedo, Dorcas L Costa, Ana C R Cruz
In countries where poliomyelitis has been eradicated, Guillain-Barré syndrome (GBS) is the leading cause of acute flaccid paralysis. The range of infections that precede GBS in Brazil is unknown. Campylobacter jejuni infection is the most frequent trigger of GBS worldwide. Given the lack of systematic surveillance of diarrheal diseases, particularly in adults, the incidence of enteritis caused by C. jejuni in developing countries is unknown. From 2014 to 2016, pretreatment serum samples from 63 GBS patients were tested by immunoglobulin M (IgM) enzyme-linked immunosorbent assay for C...
January 8, 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29310577/epidemiology-of-invasive-group-b-streptococcal-disease-in-infants-from-urban-area-of-south-china-2011-2014
#11
Xiaoshan Guan, Xiaoping Mu, Wenjing Ji, Chunlei Yuan, Ping He, Lian Zhang, Yanfen Huang, Juan Li, Jianfeng Chen, Huamin Zhong, Shuyin Pang, Nan Tan, Qiulian Deng, Kankan Gao, Yu-Ping Huang, Chien-Yi Chang, Haiying Liu
BACKGROUND: Group B Streptococcus (GBS) is a leading cause of morbidity and mortality in infants in both developed and developing countries. To our knowledge, only a few studies have been reported the clinical features, treatment and outcomes of the GBS disease in China. The severity of neonatal GBS disease in China remains unclear. Population-based surveillance in China is therefore required. METHODS: We retrospectively collected data of <3 months old infants with culture-positive GBS in sterile samples from three large urban tertiary hospitals in South China from Jan 2011 to Dec 2014...
January 8, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29306858/guillain-barr%C3%A3-syndrome-with-exaggerated-pleocytosis-and-anti-gm1-ganglioside-antibodies
#12
Gabriel T Doctor, Sian K Alexander, Aleksandar Radunovic
An 81-year-old man presented with fever, confusion and rapidly-progressive flaccid tetraparesis. Clinical presentation and neurophysiology were consistent with a severe axonal polyneuropathy. Anti-GM1 and Campylobacter serology were both positive, consistent with postinfectious axonal-variant Guillain-Barré syndrome (GBS). GBS is characterised by albuminocytological dissociation, where an elevated protein and acellular cerebrospinal fluid are typical. However, in this case, CSF analysis revealed an exaggerated pleocytosis (72 white blood cells (WBC)/mm3)...
January 6, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29305279/neonatal-colonization-of-group-b-streptococcus-in-china-prevalence-antimicrobial-resistance-serotypes-and-molecular-characterization
#13
Dan Guo, Xuelian Cao, Shunming Li, Qianting Ou, Dongxin Lin, Zhenjiang Yao, Sidong Chen, Chuan'an Wu, Guoming Wen, Xiaohua Ye
BACKGROUND: Group B Streptococcus (GBS) remains a leading cause of neonatal mortality and morbidity. This study aimed to determine the prevalence, antimicrobial susceptibility, serotypes, and molecular characterization of GBS colonized in neonates. METHODS: A cross-sectional study was conducted using a multistage sampling method. Swabs for GBS identification were taken from infants' ear, oral cavity, and umbilicus immediately after birth. All GBS isolates were tested for antimicrobial susceptibility, resistance genes, serotyping, multilocus sequence typing, and virulence genes...
January 3, 2018: American Journal of Infection Control
https://www.readbyqxmd.com/read/29301656/cd1a-and-cd1e-gene-polymorphisms-are-not-associated-with-susceptibility-to-guillain-barr%C3%A3-syndrome-in-the-bangladeshi-population
#14
Mohammad I Rahman, Iffat Jahan, Mir M Khalid, Israt Jahan, Rijwan U Ahammad, Shamsun Nahar, Zhahirul Islam
The post-infectious autoimmune polyradiculoneuropathy Guillain-Barré syndrome (GBS) is triggered by molecular mimicry between microbial glycolipid antigens and human peripheral nerve gangliosides. Single nucleotide polymorphisms in exon 2 of CD1A (*01/*02) and CD1E (*01/*02) were assessed using PCR-RFLP; no significant differences in genotype or allele frequency were observed between 200 patients with GBS and 200 healthy controls. CD1 gene polymorphisms cannot be recognized as a susceptibility or disease-causative factor for GBS in the Bangladeshi population...
January 15, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29301655/intrathecal-antibody-responses-to-galc-in-guillain-barr%C3%A3-syndrome-triggered-by-mycoplasma-pneumoniae
#15
Patrick M Meyer Sauteur, Ruth Huizinga, Anne P Tio-Gillen, Judith Drenthen, Wendy W J Unger, Enno Jacobs, Annemarie M C van Rossum, Bart C Jacobs
Mycoplasma pneumoniae (Mp) triggers Guillain-Barré syndrome (GBS) and elicits anti-galactocerebroside (GalC) antibodies. Specifically anti-GalC IgG is associated with Mp-GBS, possibly because of its better ability to cross the blood-nerve barrier (BNB). We here investigated CSF for the presence of anti-GalC in GBS. Intrathecal anti-GalC was found in 46% of Mp-GBS patients (n=6/13), in contrast to 16% of GBS controls (n=4/25) and 0% of non-GBS controls (n=0/7). The antibodies most likely originated from increased BNB permeability and/or intrathecal synthesis...
January 15, 2018: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29301010/diminished-capsule-exacerbates-virulence-blood-brain-barrier-penetration-intracellular-persistence-and-antibiotic-evasion-of-hyperhemolytic-group-b-streptococcus
#16
Claire Gendrin, Sean Merillat, Jay Vornhagen, Michelle Coleman, Blair Armistead, Lisa Ngo, Anjali Aggarwal, Phoenicia Quach, Jacob Berrigan, Lakshmi Rajagopal
Group B Streptococcus (GBS) are encapsulated, β-hemolytic bacteria that are a common cause of infections in human newborns and certain adults. Two virulence factors important for GBS virulence are the sialic acid capsular polysaccharide that promotes immune evasion and the hemolytic pigment that induces host cell cytotoxcity. These virulence factors are often oppositely regulated by the CovR/CovS two-component system. Clinical GBS strains exhibiting hyperhemolysis and low capsule due to pathoadaptive covR/S mutations have been isolated from patients...
January 2, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29300166/a-systematic-review-of-zika-virus-hurdles-toward-vaccine-development-and-the-way-forward
#17
Azizul Haque, Faruk Berat Akçeşme, Anudeep B Pant
The Zika virus (ZIKV) epidemic has recently emerged as public health threat due to its teratogenic nature and association with the serious neurological condition Guillain-Barré syndrome (GBS). To date, no approved antiviral therapeutics or vaccines are available to confront ZIKV. In order to develop effective anti-ZIKV vaccines, improved animal models and a better understanding of immunological correlates of protection against ZIKV are required. In this paper, we discuss the recent progress in developing vaccines against ZIKV and the hurdles to overcome in making efficacious anti-Zika vaccines...
January 4, 2018: Antiviral Therapy
https://www.readbyqxmd.com/read/29299896/infective-endocarditis-presenting-as-endogenous-endophthalmitis-secondary-to-streptococcus-agalactiae-in-a-healthy-adult-case-reports-and-literature-review
#18
Yu Ra Sim, Ye Jin Lee, Seung Woon Park, Sang Hyun Kim, Ju Hee Choi, Jung Yoon Choi, Min Ja Kim, Jang Wook Sohn, Jaemoon Ahn, Young Kyung Yoon
Endogenous endophthalmitis secondary to group B Streptococcus (GBS) is extremely rare, particularly in healthy adults. However, the visual prognosis is poor. We report the first South Korean case of GBS infective endocarditis presenting as endogenous endophthalmitis and skin and soft tissue infection. Cultures of blood, vitreous humor, and pus from skin aspirates yielded a penicillin-susceptible serotype V strain of Streptococcus agalactiae. After 6 weeks, the patient completely recovered from GBS infective endocarditis...
December 2017: Infection & Chemotherapy
https://www.readbyqxmd.com/read/29297541/miller-fisher-syndrome-after-coronary-artery-bypass-surgery
#19
Mustafa Aldag, Sebnem Albeyoglu, Ufuk Ciloglu, Hakan Kutlu, Levent Ceylan
Miller-Fisher syndrome (MFS) is an uncommon neurological disorder that is considered a variant of the Guillain-Barre syndrome (GBS). It is clinically defined by a triad of symptoms, namely ataxia, areflexia and ophthalmoplegia. These acute inflammatory polyradiculopathic syndromes can be triggered by viral infections, major surgery, pregnancy or vaccination. While the overall incidence of GBS is 1.2-2.3 per 100 000 per year, MFS is a relatively rare disorder. Only six cases of GBS after cardiac surgery have been reported, and to our knowledge, we describe the first case of MFS after coronary artery bypass surgery...
November 23, 2017: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/29281959/a-comparison-of-genotyping-by-sequencing-analysis-methods-on-low-coverage-crop-datasets-shows-advantages-of-a-new-workflow-gb-easy
#20
Daniel P Wickland, Gopal Battu, Karen A Hudson, Brian W Diers, Matthew E Hudson
BACKGROUND: Genotyping-by-sequencing (GBS), a method to identify genetic variants and quickly genotype samples, reduces genome complexity by using restriction enzymes to divide the genome into fragments whose ends are sequenced on short-read sequencing platforms. While cost-effective, this method produces extensive missing data and requires complex bioinformatics analysis. GBS is most commonly used on crop plant genomes, and because crop plants have highly variable ploidy and repeat content, the performance of GBS analysis software can vary by target organism...
December 28, 2017: BMC Bioinformatics
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