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https://www.readbyqxmd.com/read/28433730/detection-of-rickettsia-helvetica-and-candidatus-r-tarasevichiae-dna-in-ixodes-persulcatus-ticks-collected-in-northeastern-european-russia-komi-republic
#1
Mikhail Yu Kartashov, Ludmila I Glushkova, Tamara P Mikryukova, Igor V Korabelnikov, Yulia I Egorova, Natalia L Tupota, Elena V Protopopova, Svetlana N Konovalova, Vladimir A Ternovoi, Valery B Loktev
The number of tick-borne infections in the northern European regions of Russia has increased considerably in the last years. In the present study, 676 unfed adult Ixodes persulcatus ticks were collected in the Komi Republic from 2011 to 2013 to study tick-borne rickettsioses. Rickettsia spp. DNA was detected by PCR in 51 (7.6%) ticks. The nucleotide sequence analysis of gltA fragments (765bp) from 51 ticks indicated that 60.8% and 39.2% of the ticks were infected with Rickettsia helvetica and Candidatus R. tarasevichiae, respectively...
April 6, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28362566/impact-of-air-temperature-variation-on-the-ixodid-ticks-habitat-and-tick-borne-encephalitis-incidence-in-the-russian-arctic-the-case-of-the-komi-republic
#2
N Tokarevich, A Tronin, B Gnativ, B Revich, O Blinova, B Evengard
BACKGROUND: The causes of the recent rise of tick-borne encephalitis (TBE) incidence in Europe are discussed. Our objective was to estimate the impact of air temperature change on TBE incidence in the European part of the Russian Arctic. METHODS: We analysed the TBE incidence in the Komi Republic (RK) over a 42-year period in relation to changes in local annual average air temperature, air temperature during the season of tick activity, tick abundance, TBE-prevalence in ticks, tick-bite incidence rate, and normalised difference vegetation index within the area under study...
2017: International Journal of Circumpolar Health
https://www.readbyqxmd.com/read/28355949/differences-in-the-suppression-of-distortion-product-otoacoustic-emissions-by-contralateral-white-noise-between-patients-with-acute-or-chronic-tinnitus
#3
Maria Riga, Agis Komis, Pavlos Marangoudakis, Stefanos Naxakis, Eleftherios Ferekidis, Dimitrios Kandiloros, Vasilios Danielides
OBJECTIVE: The mechanisms underlying the shift from acute tinnitus to chronic remain obscure. An association between tinnitus and medial olivocochlear bundle (MOCB) reflex dysfunction has been hypothesised by several studies. The differences between participants with acute and chronic tinnitus have not yet been investigated. DESIGN: Participants were examined with distortion product otoacoustic emissions (DPOAEs) suppression elicited by contralateral white noise...
March 30, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28263187/aggregation-of-scaffolding-protein-disc1-dysregulates-phosphodiesterase-4-in-huntington-s-disease
#4
Motomasa Tanaka, Koko Ishizuka, Yoko Nekooki-Machida, Ryo Endo, Noriko Takashima, Hideyuki Sasaki, Yusuke Komi, Amy Gathercole, Elaine Huston, Kazuhiro Ishii, Kelvin Kai-Wan Hui, Masaru Kurosawa, Sun-Hong Kim, Nobuyuki Nukina, Eiki Takimoto, Miles D Houslay, Akira Sawa
Huntington's disease (HD) is a polyglutamine (polyQ) disease caused by aberrant expansion of the polyQ tract in Huntingtin (HTT). While motor impairment mediated by polyQ-expanded HTT has been intensively studied, molecular mechanisms for nonmotor symptoms in HD, such as psychiatric manifestations, remain elusive. Here we have demonstrated that HTT forms a ternary protein complex with the scaffolding protein DISC1 and cAMP-degrading phosphodiesterase 4 (PDE4) to regulate PDE4 activity. We observed pathological cross-seeding between DISC1 and mutant HTT aggregates in the brains of HD patients as well as in a murine model that recapitulates the polyQ pathology of HD (R6/2 mice)...
April 3, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28251581/chitin-and-its-effects-on-inflammatory-and-immune-responses
#5
REVIEW
Daniel Elieh Ali Komi, Lokesh Sharma, Charles S Dela Cruz
Chitin, a potential allergy-promoting pathogen-associated molecular pattern (PAMP), is a linear polymer composed of N-acetylglucosamine residues which are linked by β-(1,4)-glycosidic bonds. Mammalians are potential hosts for chitin-containing protozoa, fungi, arthropods, and nematodes; however, mammalians themselves do not synthetize chitin and thus it is considered as a potential target for recognition by mammalian immune system. Chitin is sensed primarily in the lungs or gut where it activates a variety of innate (eosinophils, macrophages) and adaptive immune cells (IL-4/IL-13 expressing T helper type-2 lymphocytes)...
March 1, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28192646/higher-expression-of-toll-like-receptors-3-7-8-and-9-in-pityriasis-rosea
#6
Mostafa Abou El-Ela, Mohamed El-Komy, Rania Abdel Hay, Rehab Hegazy, Amin Sharobim, Laila Rashed, Khalda Amr
BACKGROUND: Pityriasis rosea (PR) is a common papulosquamous skin disease in which an infective agent may be implicated. Toll-like receptors (TLRs) play an important role in immune responses and in the pathophysiology of inflammatory skin diseases. Our aim was to determine the possible roles of TLRs 3, 7, 8, and 9 in the pathogenesis of PR. METHODS: Twenty-four PR patients and 24 healthy individuals (as controls) were included in this case control study. All recruits were subjected to routine laboratory investigations...
March 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28160387/hair-loss-at-injection-sites-of-mesotherapy-for-alopecia
#7
Mohamed El-Komy, Akmal Hassan, Amira Tawdy, Mohamed Solimon, Mohamed Abdel Hady
BACKGROUND: The side effects of mesotherapy for treatment of various forms of alopecia are often underreported, while scientific data for its efficacy are severely lacking. OBJECTIVE: To demonstrate the late onset side effects of mesotherapy for alopecia. METHODS: Three patients with androgenetic alopecia showed hair loss after previously uneventful mesotherapy sessions up to 1 year. RESULTS: Clinical, dermoscopic, and histopathological findings suggested an inflammatory scaring process at sites of mesotherapy injections...
February 3, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28128079/is-there-a-link-between-human-herpesvirus-infection-and-toll-like-receptors-in-the-pathogenesis-of-pityriasis-rosea-a-case-control-study
#8
Mostafa Abou El-Ela, Eman Shaarawy, Mohamed El-Komy, Marwa Fawzy, Rania Abdel Hay, Rehab Hegazy, Amin Sharobim, Nadine Moustafa, Laila Rashed, Khalda Sayed Sayed Amr
Human herpesvirus (HHV) 6 and 7 are involved in the pathogenesis of pityriasis rosea (PR). Our aim was to evaluate the role of the innate immune response in PR through the detection of Toll-like receptors (TLR) 2, 3, 4, 7, 8, and 9 expression in the skin of affected patients and to detect the possibility of being induced by HHV-6 and/or HHV-7 viral coexistence in these patients. Twenty-four patients with PR and 24 healthy controls were included in this case-control study. Biopsy was obtained from the PR lesion and from the healthy skin of controls for detection of HHV-6 and 7 as well as TLRs 2, 3, 4, 7, 8, and 9 gene expression using real-time polymerase chain reaction (PCR)...
December 2016: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28105558/immunology-of-bee-venom
#9
REVIEW
Daniel Elieh Ali Komi, Farzaneh Shafaghat, Ricardo D Zwiener
Bee venom is a blend of biochemicals ranging from small peptides and enzymes to biogenic amines. It is capable of triggering severe immunologic reactions owing to its allergenic fraction. Venom components are presented to the T cells by antigen-presenting cells within the skin. These Th2 type T cells then release IL-4 and IL-13 which subsequently direct B cells to class switch to production of IgE. Generating venom-specific IgE and crosslinking FcεR1(s) on the surface of mast cells complete the sensitizing stage in allergic individuals who are most likely to experience severe and even fatal allergic reactions after being stung...
January 20, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28095307/pre-exposure-prophylaxis-and-antiretroviral-treatment-interventions-with-drug-resistance
#10
REVIEW
Komi Afassinou, Faraimunashe Chirove, Keshlan S Govinder
We introduce a model for HIV/AIDS which can be utilized to assess the impact of combining pre-exposure prophylaxis (PrEP) and antiretroviral drugs (ARVs) use interventions (incorporating drug resistance). Mathematical and numerical analyses are carried out to investigate the effects of the combined controls in the presence of PrEP drug resistance. Our results predict a significant decrease in the number of new HIV infections when PrEP and ARVs are concurrently implemented at high levels. The results also reveal that PrEP drug resistance has the potential to slow down or reverse the effects of PrEP, especially at low efficacy levels...
March 2017: Mathematical Biosciences
https://www.readbyqxmd.com/read/28025778/role-of-mast-cells-in-the-pathogenesis-of-multiple-sclerosis-and-experimental-autoimmune-encephalomyelitis
#11
REVIEW
Daniel Elieh-Ali-Komi, Yonghao Cao
Multiple sclerosis (MS) is a neurological autoimmune disorder of the central nervous system (CNS), characterized by recurrent episodes of inflammatory demyelination and consequent axonal deterioration. The hallmark of the disease is the demyelinated plaque, a hypocellular area characterized by formation of astrocytic scars and infiltration of mononuclear cells. Recent studies have revealed that both innate and adaptive immune cells contribute to the pathogenesis of MS and its experimental autoimmune encephalomyelitis (EAE) model...
December 26, 2016: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/27873449/assessment-of-cubosomal-alpha-lipoic-acid-gel-efficacy-for-the-aging-face-a-single-blinded-placebo-controlled-right-left-comparative-clinical-study
#12
Mohamed El-Komy, Suzan Shalaby, Rehab Hegazy, Rania Abdel Hay, Saly Sherif, Ehab Bendas
BACKGROUND: A poloxamer solution acting as a vehicle for the lipid base particulate system (cubosome dispersions) containing alpha lipoic acid (ALA) has achieved encouraging results in skin aging. OBJECTIVE: Evaluate the efficacy of 5% Cubosomal ALA as an anti-aging formulation. METHODS: This single-blinded, placebo-controlled, comparative study was conducted on 20 females. Patients were instructed to apply a gel formulation containing the active ingredient over the right half of their face and a placebo gel on the left half twice daily for 6 months...
November 22, 2016: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/27850533/895-an-ex-vivo-study-of-antibiotic-disposition-during-pediatric-continuous-renal-replacement-therapy
#13
Prashant Purohit, Mohammed El-Komy, Adam Frymoyer, Scott Sutherland, David Drover, Gregory Hammer, Felice Su
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27821092/human-meningitis-due-to-streptococcus-suis-in-lom%C3%A3-togo-a-case-report
#14
Mireille Prince-David, Mounerou Salou, Corinne Marois-Créhan, Komi Assogba, Céline Plainvert, Koffi A Balogou, Claire Poyart, Asmaa Tazi
BACKGROUND: Streptococcus suis is a zoonotic pathogen which represents the leading cause of meningitis in Southeast Asia and an emerging pathogen in the Western world, the main risk factor for infection being contact with pigs. In Africa, the prevalence of S. suis infections in swine and humans is largely unrecognized, with only one recent report of a limited case series. CASE PRESENTATION: We describe a human case of meningitis due to S. suis in a 32-year-old man living in Togo...
November 8, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27819009/chitin-and-chitosan-production-and-application-of-versatile-biomedical-nanomaterials
#15
Daniel Elieh-Ali-Komi, Michael R Hamblin
Chitin is the most abundant aminopolysaccharide polymer occurring in nature, and is the building material that gives strength to the exoskeletons of crustaceans, insects, and the cell walls of fungi. Through enzymatic or chemical deacetylation, chitin can be converted to its most well-known derivative, chitosan. The main natural sources of chitin are shrimp and crab shells, which are an abundant byproduct of the food-processing industry, that provides large quantities of this biopolymer to be used in biomedical applications...
March 2016: International Journal of Advanced Research
https://www.readbyqxmd.com/read/27709065/low-putamen-activity-associated-with-poor-reward-sensitivity-in-childhood-chronic-fatigue-syndrome
#16
Kei Mizuno, Junko Kawatani, Kanako Tajima, Akihiro T Sasaki, Tetsuya Yoneda, Masanori Komi, Toshinori Hirai, Akemi Tomoda, Takako Joudoi, Yasuyoshi Watanabe
Motivational signals influence a wide variety of cognitive processes and components of behavioral performance. Cognitive dysfunction in patients with childhood chronic fatigue syndrome (CCFS) may be closely associated with a low motivation to learn induced by impaired neural reward processing. However, the extent to which reward processing is impaired in CCFS patients is unclear. The aim of the present functional magnetic resonance imaging (fMRI) study was to determine whether brain activity in regions related to reward sensitivity is impaired in CCFS patients...
2016: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27703252/the-functional-activity-and-effective-connectivity-of-pulvinar-are-modulated-by-individual-differences-in-threat-related-attentional-bias
#17
Yuko Hakamata, Eisuke Sato, Shotaro Komi, Yoshiya Moriguchi, Shuhei Izawa, Norio Murayama, Takashi Hanakawa, Yusuke Inoue, Hirokuni Tagaya
The pulvinar is important in selective attention, particularly to visual stimuli under the focus of attention. However, the pulvinar is assumed to process emotional stimuli even outside the focus of attention, because of its tight connection with the amygdala. We therefore investigated how unattended emotional stimuli affect the pulvinar and its effective connectivity (EC) while considering individual differences in selective attention. fMRI in 41 healthy human subjects revealed that the amygdala, but not the pulvinar, more strongly responded to unattended fearful faces than to unattended neutral faces (UF > UN), although we observed greater EC from the pulvinar to the amygdala...
October 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27699696/neuromechanical-modulation-of-the-achilles-tendon-during-bilateral-hopping-in-patients-with-unilateral-achilles-tendon-rupture-over-1-year-after-surgical-repair
#18
Hiroyuki Oda, Kanae Sano, Yoko Kunimasa, Paavo V Komi, Masaki Ishikawa
BACKGROUND: Patients who have had an Achilles tendon (AT) rupture repaired are potentially at higher risk for re-rupture than those without previous rupture. Little attention has been given to the neuromechanical modulation of muscle-tendon interaction and muscle activation profiles during human dynamic movements after AT rupture repair. OBJECTIVE: The purpose of this study was to examine muscle-tendon behavior and muscle activation during bilateral hopping. METHODS: We enrolled nine subjects who had undergone surgical repair of unilateral AT rupture within the past 1-2 years...
October 3, 2016: Sports Medicine
https://www.readbyqxmd.com/read/27642383/-neonatal-conjunctivitis-in-the-district-of-glidji-in-southern-togo-a-cross-sectional-study-about-159-new-borns
#19
Vonor Kokou, Maneh Nidain, Nononsaa Batomguela Kassoula, Fiaty-Amenouvor Kwassi, Banla Meba, Balo Komi Patrice
INTRODUCTION: Describe the epidemiology of neonatal conjunctivitis in the Canton of Glidji in southern Togo. METHODS: We conducted a cross-sectional study in 4 Satellite Health Care Units in the Canton of Glidji from 19 March to 13 May 2009 (8 weeks). All newborns were included in the study and neonatal conjunctivitis was defined by the presence in a newborn of at least two of the following signs: conjunctival hyperemia, eyelid swelling, chemosis, purulent discharges, lacrimation...
2016: Pan African Medical Journal
https://www.readbyqxmd.com/read/27634032/sustained-increase-in-the-incidence-of-acute-decompensated-heart-failure-after-the-2011-japan-earthquake-and-tsunami
#20
Motoyuki Nakamura, Fumitaka Tanaka, Ryousuke Komi, Kentarou Tanaka, Masayuki Onodera, Mikio Kawakami, Yorihiko Koeda, Toshiaki Sakai, Kozo Tanno, Toshiyuki Onoda, Yuki Matsura, Takashi Komatsu
This study investigated the long-term impact of the 2011 Japan earthquake and tsunami on the incidence of acute decompensated heart failure (HF) in the disaster area. This was a population-based study using comprehensive registration for all hospitals within the study area. The standardized incidence ratio (SIR) and 95% confidence interval (CI) for new onset of HF during the disaster year (2011) and postdisaster years (2012 to 2014) were determined. When SIR were compared between the low- and high-impact areas, as defined by the extent of tsunami inundation in residential areas, SIR showed a significant increase in high-impact areas in 2011 (1...
August 13, 2016: American Journal of Cardiology
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