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Showing 1-30 of 146 results for "

l3024

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Jessica E S Shay et al.
Carcinogenesis, 35(5), 1067-1077 (2014-01-11)
Hypoxia-inducible factors (HIFs) accumulate in both neoplastic and inflammatory cells within the tumor microenvironment and impact the progression of a variety of diseases, including colorectal cancer. Pharmacological HIF inhibition represents a novel therapeutic strategy for cancer treatment. We show here
Yoshitomo Hayama et al.
Journal of immunology (Baltimore, Md. : 1950), 200(11), 3790-3800 (2018-04-25)
Amino acid metabolism plays important roles in innate immune cells, including macrophages. Recently, we reported that a lysosomal adaptor protein, Lamtor1, which serves as the scaffold for amino acid-activated mechanistic target of rapamycin complex 1 (mTORC1), is critical for the
Ling Guo et al.
ACS nano, 13(2), 1078-1096 (2019-01-05)
It is extremely difficult for cancer chemotherapy to control the peritoneal metastasis of advanced ovarian carcinoma given its inability to target disseminated tumors and the severe toxic side effects on healthy organs. Here, we report antitumor M1 macrophages developed as live-cell
Ling Guo et al.
Theranostics, 10(15), 6581-6598 (2020-06-20)
Background: Exosome (Exo)-based chemotherapeutic drug delivery systems have been extensively investigated; however, the therapeutic potential of other subtypes of extracellular vesicles (EVs), in particular microvesicles (MiV), seem to be overlooked. Moreover, despite a general agreement on organ tropism of EVs
Sarah Frush et al.
Environmental health perspectives, 119(10), 1403-1408 (2011-06-21)
Our previous work demonstrated that the extracellular matrix protein mindin contributes to allergic airways disease. However, the role of mindin in nonallergic airways disease has not previously been explored. We hypothesized that mindin would contribute to airways disease after inhalation
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Carl-Fredrik Johnzon et al.
Frontiers in immunology, 9, 1487-1487 (2018-07-11)
Mastitis is an inflammatory condition of the mammary tissue and represents a major problem for the dairy industry worldwide. The present study was undertaken to study how experimentally induced acute bovine mastitis affects inflammatory parameters and changes in the metabolome.
Jinju Yang et al.
Scientific reports, 6, 24346-24346 (2016-04-20)
Our previous research showed that recombinant calcineurin B (rhCnB) stimulates cytokine secretion by immune cells, probably through TLR4. Exogenous CnB can be incorporated into many different tumour cells in vitro, but the mode of uptake and receptors required remain unknown.
Irina Balan et al.
Scientific reports, 9(1), 1220-1220 (2019-02-06)
The endogenous neurosteroid (3α,5α)3-hydroxypregnan-20-one (3α,5α-THP, allopregnanolone) has protective activity in animal models of alcoholism, depression, traumatic brain injury, schizophrenia, multiple sclerosis, and Alzheimer's disease that is poorly understood. Because these conditions involve proinflammatory signaling through toll-like receptors (TLRs), we examined
F N E Gavins et al.
Journal of thrombosis and haemostasis : JTH, 9(3), 574-581 (2010-12-21)
Although inflammation and thrombosis are now recognized to be interdependent processes that activate and perpetuate each other, the signaling molecules that link these two processes remain poorly understood. The objective of this study was to assess the contribution of the
Alexander Zaborin et al.
Antimicrobial agents and chemotherapy, 58(2), 966-977 (2013-11-28)
Antibiotic resistance among highly pathogenic strains of bacteria and fungi is a growing concern in the face of the ability to sustain life during critical illness with advancing medical interventions. The longer patients remain critically ill, the more likely they
Chang-Bum Jeong et al.
Developmental and comparative immunology, 53(1), 1-12 (2015-06-28)
Modulation of expression of cathepsins in innate immune response has previously been reported in mollusks and large crustaceans including crabs, lobsters, and shrimps in response to immune challenges. However, similar responses in copepods and the related cathepsin members remain under-investigated.
Yanqin Liu et al.
Journal of cellular and molecular medicine, 25(16), 7690-7708 (2021-06-20)
The maternal-foetal interface is an immune-privileged site where the semi-allogeneic embryo is protected from attacks by the maternal immune system. Uterine macrophages are key players in establishing and maintaining pregnancy, and the dysregulation of the M1-M2 subpopulation balance causes abortion.
Angélique Chevriaux et al.
Frontiers in cell and developmental biology, 8, 167-167 (2020-04-25)
The mechanisms leading to NOD-leucine rich repeat and pyrin containing protein 3 (NLRP3) inflammasome activation are still debated. It is well established that oligomerized NLRP3 interacts with apoptosis associated Speck-like protein containing a CARD domain (ASC) which polymerizes into filaments
Elena Navarro-Guerrero et al.
Scientific reports, 11(1), 4245-4245 (2021-02-21)
Genome engineering using CRISPR/Cas9 technology enables simple, efficient and precise genomic modifications in human cells. Conventional immortalized cell lines can be easily edited or screened using genome-wide libraries with lentiviral transduction. However, cell types derived from the differentiation of induced
Rhonda H Wilson et al.
American journal of respiratory and critical care medicine, 180(8), 720-730 (2009-08-08)
In humans, immune responses to inhaled aeroallergens develop in the lung and draining lymph nodes. Many animal models of asthma bypass this route and instead use intraperitoneal injections of allergen using aluminum hydroxide as an adjuvant. We investigated whether allergic
Fozia Saleem et al.
Prion, 8(2) (2014-05-14)
The conformational conversion of the cellular prion protein (PrP(C)) to the β-rich infectious isoform PrP(Sc) is considered a critical and central feature in prion pathology. Although PrP(Sc) is the critical component of the infectious agent, as proposed in the "protein-only"
Katherine E Wickliffe et al.
Cellular microbiology, 10(6), 1352-1362 (2008-02-13)
Macrophages from certain inbred mouse strains are rapidly killed (< 90 min) by anthrax lethal toxin (LT). LT cleaves cytoplasmic MEK proteins at 20 min and induces caspase-1 activation in sensitive macrophages at 50-60 min, but the mechanism of LT-induced
Marcus Mühlbauer et al.
Immunology, 124(2), 256-264 (2008-02-21)
Epididymitis represents a serious threat to male fertility and usually develops following secondary bacterial infection of the epididymis such as urinary tract infections or sexually transmitted diseases. Surprisingly, very little is known about the innate host response triggered by bacterial
Zhenyi Xue et al.
Cell death & disease, 10(6), 461-461 (2019-06-14)
miR-21 is aberrantly expressed, and plays a role in various types of tumors and many other diseases. However, the mechanism of miR-21 in LPS-induced septic shock is still unclear. In this study, we investigated the mechanism of miR-21 in LPS-induced
Mohamed El Gazzar et al.
Molecular and cellular biology, 29(7), 1959-1971 (2009-01-23)
Epigenetic silencing of tumor necrosis factor alpha (TNF-alpha) and interleukin 1beta (IL-1beta) transcription occurs in blood leukocytes of animals and humans after the initiation of severe systemic inflammation (SSI). We previously reported that the epigenetic signature requires induction of NF-kappaB
Ling Guo et al.
Theranostics, 9(23), 6936-6948 (2019-10-30)
Objective: Engineered immune cells (e.g., therapeutic T cells) provide a revolutionary approach to combat cancer. Certain activated immune cells can exquisitely sense and respond to the tumor microenvironment. Here, we propose a paradigm based on engineering macrophages to allow selective
Jiamao Zheng et al.
Infection and immunity, 74(3), 1907-1915 (2006-02-24)
To better understand the acute host response to Escherichia coli mastitis, we analyzed gene expression patterns of approximately 23,000 transcripts 4 h after an intramammary infusion of lipopolysaccharide (LPS) in a mouse model. A total of 489 genes were significantly
Nathalie Busso et al.
PloS one, 3(5), e2267-e2267 (2008-05-22)
Nicotinamide phosphoribosyltransferase (NAMPT), also known as visfatin, is the rate-limiting enzyme in the salvage pathway of NAD biosynthesis from nicotinamide. Since its expression is upregulated during inflammation, NAMPT represents a novel clinical biomarker in acute lung injury, rheumatoid arthritis, and
Zvonimir Vrselja et al.
Nature, 568(7752), 336-343 (2019-04-19)
The brains of humans and other mammals are highly vulnerable to interruptions in blood flow and decreases in oxygen levels. Here we describe the restoration and maintenance of microcirculation and molecular and cellular functions of the intact pig brain under
Georgia Perona-Wright et al.
Cell host & microbe, 6(6), 503-512 (2009-12-17)
Surviving infection represents a balance between the proinflammatory responses needed to eliminate the pathogen, and anti-inflammatory signals limiting damage to the host. IL-10 is a potent immunosuppressive cytokine whose impact is determined by the timing and localization of release. We
Takuya Yashiro et al.
Bioscience, biotechnology, and biochemistry, 83(6), 1111-1116 (2019-03-23)
The immunosuppressive activity of myriocin (ISP-1), a lead compound of fingolimod (FTY720), is derived from its 2-amino-1,3-propandiol structure. A non-proteinogenic amino acid, (2S,6R)-diamino-(5R,7)-dihydroxy-heptanoic acid (DADH), that contains this structure, was recently identified as a biosynthetic intermediate of a dipeptide secondary
Hideaki Isago et al.
Biological & pharmaceutical bulletin, 44(1), 39-45 (2021-01-05)
Chronic obstructive pulmonary disease (COPD) is a systemic inflammatory disorder. It often causes weight loss, which is considered a poor prognostic factor. A Japanese herbal Kampo medicine, Hochuekkito (TJ-41), has been reported to prevent systemic inflammation and weight loss in
Young-A Song et al.
BMC complementary and alternative medicine, 11, 91-91 (2011-10-13)
Black tea has been shown to elicit anti-oxidant, anti-carcinogenic, anti-inflammatory and anti-mutagenic properties. In this study, we investigated the impact of black tea extract (BTE) on lipopolysaccharide (LPS)-induced NF-κB signaling in bone marrow derived-macrophages (BMM) and determined the therapeutic efficacy
Jinglin Sun et al.
Journal of virology, 82(11), 5562-5572 (2008-03-21)
Inflammatory mediators and viral products produced by human immunodeficiency virus (HIV)-infected microglia and astrocytes perturb the function and viability of adjacent uninfected neuronal and glial cells and contribute to the pathogenesis of HIV-associated neurocognitive disorders (HAND). In vivo exposure to
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