نتایج جستجو برای: lipopolysaccharide

تعداد نتایج: 28337  

Journal: :iranian journal of allergy, asthma and immunology 0
yan yang institute of genomic medicine research, college of pharmacy, jinan university, guangzhou, 510632, people’s republic of china hanxiao sun institute of genomic medicine research, college of pharmacy, jinan university, guangzhou, 510632, people’s republic of china xiuying li institute of genomic medicine research, college of pharmacy, jinan university, guangzhou, 510632, people’s republic of china qing ding institute of genomic medicine research, college of pharmacy, jinan university, guangzhou, 510632, people’s republic of china pijin wei institute of genomic medicine research, college of pharmacy, jinan university, guangzhou, 510632, people’s republic of china jingguang zhou institute of genomic medicine research, college of pharmacy, jinan university, guangzhou, 510632, people’s republic of china

our prior study found  that transforming growth factor  beta-induced (tgfbi) is  an important negative regulator in tlr-induced inflammation. however, whether tgfbi may affect inflammation during lipopolysaccharide (lps)-induced endotoxin tolerance (et) is still unclear.this study aimed to investigate whether tgfbi was involved in the mechanisms of et in human through dampening nuclear factor-k...

Journal: :Indian Journal of Pharmaceutical Sciences 2021

To investigate the protective effect of quercetin on lipopolysaccharide-induced inflammatory response retinal ganglion cell line 5 cells and to explore its possible molecular mechanism. Retinal were cultured in vitro assigned into blank control group, lipopolysaccharide (1.0 μg/ml) induction lipopolysaccharide+low dose (0.25 lipopolysaccharide+medium (0.5 group lipopolysaccharide+high group. Th...

Journal: :Indian Journal of Pharmaceutical Sciences 2021

To investigate the effects and mechanisms of Dexmedetomidine on inflammatory factors mitogenactivated protein kinase related signaling pathways in alveolar lavage fluid mice with acute lung injury induced by lipopolysaccharide. 36 clean-grade male Kunming were randomly divided into blank control group (normal group), lipopolysaccharide-induced model group, lipopolysaccharide+dexmedetomidine 12 ...

Journal: :iranian red crescent medical journal 0
masoume pourganji neurocognitive research center, school of medicine, mashhad university of medical sciences, mashhad, ir iran mahmoud hosseini neurocognitive research center, school of medicine, mashhad university of medical sciences, mashhad, ir iran; neurocognitive research center, school of medicine, mashhad university of medical sciences, mashhad, ir iran. tel: +98-05118828565, fax: +98-05118828564 mohammad soukhtanloo department of biochemistry, school of medicine, mashhad university of medical sciences, mashhad, ir iran hoda zabihi department of biology, faculty of biological sciences, kharazmi university of tehran, tehran, ir iran mosa al-reza hadjzadeh neurogenic inflammation research center, school of medicine, mashhad university of medical sciences, mashhad, ir iran

background: the contribution of neuroinflammation in alzheimer’s disease (ad) has been widely reported. the effects of female gonadal hormones in both neuroinflammation and brain cognitive functions have also been well considered. objectives: in the present study, the possible protective role for endogenous ovarian hormones against learning and memory impairment as well as brain tissues oxidati...

Journal: :iranian journal of virology 0
s yaghobee department of periodontics, faculty of dentistry, tehran university of medical sciences, tehran, iran a khorsand department of periodontics, faculty of dentistry, tehran university of medical sciences, tehran, iran h safari department of periodontics, faculty of dentistry, qom university of medical sciences, qom, iran a ataei-pirkooh department of virology, faculty of medicine, iran university of medical sciences, tehran, iran monavvari department of virology, faculty of medicine, iran university of medical sciences, tehran, iran

background and aims: several studies have shown that there is greater number of viruses in deep periodontal pockets than in normal gingival sulcus. we also know that virus may have an important role in induction of il-1β secretion by different human cells. in this study we intended to determine the capacity of herpes simplex virus type 1 to stimulate il-1β secretion in human gingival keratinocy...

Journal: :iranian journal of basic medical sciences 0
murat karamese department of medical microbiology, medical faculty, kafkas university, kars, turkey bulent guvendi department of general surgery, medical faculty, kafkas university, kars, turkey selina aksak karamese department of histology and embryology, medical faculty, kafkas university, kars, turkey irfan cinar department of pharmacology, medical faculty, ataturk university, erzurum, turkey serpil can department of physiology, medical faculty, kafkas university, kars, turkey huseyin serkan erol department of biochemistry, veterinary faculty, ataturk university, erzurum, turkey

objective(s): in the present study, our aim was to investigate the possible protective effects of epigallocatechin gallate (egcg) on lipopolysaccharide (lps)-induced hepatotoxicity by using hep3b human hepatoma cells. specifically, the study examines the role of some proinflammatory markers and oxidative damage as possible mechanisms of lps-associated cytotoxicity. consequently, the hepatocellu...

Journal: :veterinary research forum 2015
hadi eslami rooz ali batavani siamak asr‎i-rezaei rahim hobbenaghi

the present study investigated the effects of e. coli lipopolysaccharide (lps) induced mastitis model in rat on the activity of antioxidant enzyme systems. to achieve this purpose, e. coli lps were infused into the mammary gland of 12 rats 72 hr postpartum and compared with 12 rats in control group infused intramammary placebo sterile pyrogene – free, physiological saline. the antioxidant activ...

Journal: :modares journal of medical sciences: pathobiology 2013
bahareh abd nikfarjam massoumeh ebtekar farzaneh sabouni zahra pourpak maryam kheirandish

objective: astrocytes are the most abundant glial cell type. they may promote or inhibit cns inflammation depending on which cytokines are secreted. astrocytes also have immune roles. il-19, il-20, and il-24 activate a heterodimer receptor composed of the il-20r1 α-chain and the il-20r2 β-chain. it has long been considered that signaling by these receptor complexes affects immunological reactio...

2009
Ricardo A. López Ana M. Fernandes

We use comparable micro level panel data for 14 countries and a set of identically specified empirical models to investigate the relationship between exports and productivity. Our overall results are in line with the big picture that is by now familiar from the literature: exporters are more productive than non-exporters when observed and unobserved heterogeneity is controlled for, and these ex...

Journal: :مجله علوم اعصاب شفای خاتم 0
shahin mohammad sadeghi a. shefa neuroscience research center, khatam alanbia hospital, tehran, iran.b. department of plastic and reconstructive surgery, shahid beheshti university of medical sciences, tehran, iran. sajad sahab negah a. shefa neuroscience research center, khatam alanbia hospital, tehran, iran. b. histology and embryology group, basic science department, veterinary medicine faculty, shiraz university, shiraz, iran. zabihollah khaksar histology and embryology group, basic science department, veterinary medicine faculty, shiraz university, shiraz, iran. hadi kazemi a. shefa neuroscience research center, khatam alanbia hospital, tehran, iran. b. pediatric department, shahed university, tehran, iran. hadi aligholi shefa neuroscience research center, khatam alanbia hospital, tehran, iran. mostafa modarres mousavi shefa neuroscience research center, khatam alanbia hospital, tehran, iran.

brain derived neurotrophic factor (bdnf) is a neurotrophin acting at several levels in the brain. additionally, bdnf was shown to be responsible for the survival, maintenance and growth of neurons. also, bdnf plays an important role in synaptic plasticity and memory processes. in activity-dependent synaptic plasticity, bdnf enhances long-term potentiation (ltp) in the hippocampus but blocks the...

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