Displaying publications 41 - 60 of 695 in total

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  1. A comparative histopathological study of systemic candidiasis in association with experimentally induced breast cancer
    Choo ZW, Chakravarthi S, Wong SF, Nagaraja HS, Thanikachalam PM, Mak JW, et al.
    Oncol Lett, 2010 Jan;1(1):215-222.
    PMID: 22966285
    Systemic candidiasis is a fungal infection which coupled with solid malignancies places patients at high risk of succumbing to the disease. Few studies have shown evidence of the relationship between systemic candidiasis and malignancy-induced immunosuppression disease especially in breast cancer. At present, animal studies that exclusively demonstrate this relationship have yet to be conducted. The exact causative mechanism of systemic candidiasis is currently under much speculation. This study therefore aimed to demonstrate this relationship by observing the histopathological changes of organs harvested from female Balb/c mice which were experimentally induced with breast cancer and inoculated with systemic candidiasis. The mice were randomly assigned to five different groups (n=12). The first group (group 1) was injected with phosphate buffer solution, the second (group 2) with systemic candidiasis, the third (group 3) with breast cancer and the final two groups (groups 4 and 5) had both candidiasis and breast cancer at two different doses of candidiasis, respectively. Inoculation of mice with systemic candidiasis was performed by an intravenous injection of Candida albicans via the tail vein following successful culture methods. Induction of mice with breast cancer occurred via injection of 4T1 cancer cells at the right axillary mammary fatpad after effective culture methods. The prepared slides with organ tissues were stained with hematoxylin and eosin, periodic acidic schiff and gomori methenamine silver stains for a histopathological analysis. Grading of primary tumour and identification of metastatic deposits, as well as scoring of inflammation and congestion in all the respective organs was conducted. Statistical tests performed to compare groups 2 and 4 showed that group 4 exhibited a highly statistically significant increase in organ inflammation and congestion (p<0.01). The median severity of candidiasis in the kidneys and liver also increased in group 4 as compared to group 2. In conclusion, based on the above evidence, systemic candidiasis significantly increased in mice with breast cancer.
    Matched MeSH terms: Inflammation
  2. A synthetic curcuminoid derivative inhibits nitric oxide and proinflammatory cytokine synthesis
    Tham CL, Liew CY, Lam KW, Mohamad AS, Kim MK, Cheah YK, et al.
    Eur J Pharmacol, 2010 Feb 25;628(1-3):247-54.
    PMID: 19958764 DOI: 10.1016/j.ejphar.2009.11.053
    Curcumin is a highly pleiotropic molecule with significant regulatory effects upon inflammation and inflammatory related diseases. However curcumin has one major important limitation in which it has poor bioavailability. Design of synthetic structural derivatives of curcumin is but one approach that has been used to overcome its poor bioavailability while retaining, or further enhancing, its drug-like effects. We have synthesized a series of curcumin analogues and describe the effects of 2,6-bis-4-(hydroxyl-3-methoxy-benzylidine)-cyclohexanone or BHMC upon nitric oxide and cytokine synthesis in cellular models of inflammation. BHMC showed a significant dose-response inhibitory action upon the synthesis of NO and we have shown that this effect was due to suppression of both iNOS gene and enzyme expression without any effects upon scavenging of nitrite. We also demonstrated that BHMC has a very minimal effect upon iNOS activity with no effect at all upon the secretion of PGE(2) but has a strong inhibitory effect upon MCP-1 and IL-10 secretion and gene expression. Secretion and gene expression of TNF-alpha and IL-6 were moderately inhibited whereas IL-8 and IL-1beta were not altered. We conclude that BHMC selectively inhibits the synthesis of several inflammatory mediators. BHMC should be considered a promising drug lead for preclinical and further pharmacological studies.
    Matched MeSH terms: Inflammation/metabolism*; Inflammation/pathology
  3. Atrovirinone inhibits proinflammatory mediator synthesis through disruption of NF-kappaB nuclear translocation and MAPK phosphorylation in the murine monocytic macrophage RAW 264.7
    Israf DA, Tham CL, Syahida A, Lajis NH, Sulaiman MR, Mohamad AS, et al.
    Phytomedicine, 2010 Aug;17(10):732-9.
    PMID: 20378317 DOI: 10.1016/j.phymed.2010.02.006
    In a previous communication we showed that atrovirinone, a 1,4-benzoquinone isolated from the roots of Garcinia atroviridis, was able to inhibit several major proinflammatory mediators of inflammation. In this report we show that atrovirinone inhibits NO and PGE(2) synthesis through inhibition of iNOS and COX-2 expression. We also show that atrovirinone inhibits the secretion of IL-1beta and IL-6 in a dose dependent fashion whereas the secretion of IL-10, the anti-inflammatory cytokine, was enhanced. Subsequently we determined that the inhibition of proinflammatory cytokine synthesis and inducible enzyme expression was due to a dose-dependent inhibition of phosphorylation of p38 and ERK1/2. We also showed that atrovirinone prevented phosphorylation of I-kappaBalpha, which resulted in a reduction of p65NF-kappaB nuclear translocation as demonstrated by expression analysis. We conclude that atrovirinone is a potential anti-inflammatory drug lead that targets both the MAPK and NF-kappaB pathway.
    Matched MeSH terms: Inflammation Mediators/antagonists & inhibitors*; Inflammation Mediators/metabolism
  4. Fulltext Ocular Tuberculosis Initially Presenting as Central Retinal Vein Occlusion
    Mahyudin M, Choo MM, Ramli NM, Omar SS
    Case Rep Ophthalmol, 2010 Aug 02;1(1):30-35.
    PMID: 21116342
    A 23-year-old man presented with central retinal vein occlusion. The retinal haemorrhages worsened and signs of retinal vasculitis appeared later as vision dropped from 6/60 to Counting Fingers. No signs of systemic disease were observed. Routine Mantoux test and chest radiograph were negative for tuberculosis. Fundus flourescein angiogram confirmed presence of retinal vasculitis. Both systemic and topical corticosteroid therapy were ineffective. Polymerase chain reaction analysis of vitreous fluid showed presence of Mycobacterium tuberculosis. A full 6-month course of antituberculosis therapy was given and inflammation subsided. Vision improved to 3/60. This is a rare case of ocular tuberculosis without evidence of systemic infection, presenting first as a central retinal vein occlusion.
    Matched MeSH terms: Inflammation
  5. Flavonoid combinations cause synergistic inhibition of proinflammatory mediator secretion from lipopolysaccharide-induced RAW 264.7 cells
    Harasstani OA, Moin S, Tham CL, Liew CY, Ismail N, Rajajendram R, et al.
    Inflamm Res, 2010 Sep;59(9):711-21.
    PMID: 20221843 DOI: 10.1007/s00011-010-0182-8
    OBJECTIVES: We evaluated several flavonoid combinations for synergy in the inhibition of proinflammatory mediator synthesis in the RAW 264.7 cellular model of inflammation.

    METHODS: The inhibitory effect of chrysin, kaempferol, morin, silibinin, quercetin, diosmin and hesperidin upon nitric oxide (NO), prostaglandin E(2) (PGE(2)) and tumour necrosis factor-alpha (TNF-alpha) secretion from the LPS-induced RAW 264.7 monocytic macrophage was assessed and IC(50) values obtained. Flavonoids that showed reasonable inhibitory effects in at least two out of the three assays were combined in a series of fixed IC(50) ratios and reassessed for inhibition of NO, PGE(2) and TNF-alpha. Dose-response curves were generated and interactions were analysed using isobolographic analysis.

    RESULTS: The experiments showed that only chrysin, kaempferol, morin, and silibinin were potent enough to produce dose-response effects upon at least two out of the three mediators assayed. Combinations of these four flavonoids showed that several combinations afforded highly significant synergistic effects.

    CONCLUSIONS: Some flavonoids are synergistic in their anti-inflammatory effects when combined. In particular chrysin and kaempferol significantly synergised in their inhibitory effect upon NO, PGE(2) and TNF-alpha secretion. These findings open further avenues of research into combinatorial therapeutics of inflammatory-related diseases and the pharmacology of flavonoid synergy.

    Matched MeSH terms: Inflammation/drug therapy; Inflammation/metabolism*
  6. Anti-inflammatory effect of zerumbone on acute and chronic inflammation models in mice
    Sulaiman MR, Perimal EK, Akhtar MN, Mohamad AS, Khalid MH, Tasrip NA, et al.
    Fitoterapia, 2010 Oct;81(7):855-8.
    PMID: 20546845 DOI: 10.1016/j.fitote.2010.05.009
    The anti-inflammatory activity of zerumbone (1), a natural cyclic sesquiterpene isolated from Zingiber zerumbet Smith was investigated using carrageenan-induced paw edema and cotton pellet-induced granuloma tissue formation test in mice. It was demonstrated that intraperitoneal administration of 1 at a dose of 5, 10, 50 and 100 mg/kg produced significant dose-dependent inhibition of paw edema induced by carrageenan. It was also demonstrated that 1 at similar doses significantly suppressed granulomatous tissue formation in cotton pellet-induced granuloma test.
    Matched MeSH terms: Inflammation/chemically induced; Inflammation/drug therapy*
  7. Evaluation of extemporaneously manufactured topical gels containing aceclofenac on inflammation and hyperalgesia in rats
    Pabreja K, Dua K, Padi SS
    Curr Drug Deliv, 2010 Oct;7(4):324-8.
    PMID: 20695843
    The systemic use of non-steroidal anti-inflammatory drugs (NSAIDs) which act by inhibiting cyclooxygenase (COX) is severely hampered by gastric and peptic ulcers. The topical delivery of NSAIDs has the advantages of avoiding gastric and peptic ulcers and delivering the drug to the inflammation site. Importance of aceclofenac as a new generational NSAID has inspired the development of topical dosage forms. This mode of administration may help to avoid typical side effects of NSAIDs associated with oral and systemic administration such as gastric irritation, particularly diarrhoea, nausea, abdominal pain and flatulence. The aim of this study was to formulate topical gel containing 1% of aceclofenac in carbopol and PEG base and to evaluate it for analgesic and antiinflammatory activity using carrageenan-induced thermal hyperalgesia and paw oedema in rats. Carrageenan administration into the hind paw produced a significant inflammation associated with hyperalgesia as shown by decreased rat paw withdrawal latency in response to a thermal stimulus (47+/-0.5 degrees C) 4 h after carrageenan injection. Topical application of AF1 significantly attenuated the development of hypersensitivity to thermal stimulus as compared to control (P<0.05) and other formulation treated groups (P<0.05). All the AF semisolid formulations, when applied topically 2 h before carrageenan administration, inhibited paw edema in a timedependent manner with maximum percent edema inhibition of 80.33+/-2.52 achieved with AF1 after 5 h of carrageenan administration However, topical application of AF2 markedly prevented the development of edema as compared to other formulation (AF2 and AF3) treated groups (P<0.05). Among all the semisolid formulations, Carbopol gel base was found to be most suitable dermatological base for aceclofenac.
    Matched MeSH terms: Inflammation/chemically induced; Inflammation/prevention & control*
  8. RET-Y and RBC-Y in the diagnosis of iron deficiency associated with anaemia of inflammation
    Jayaranee S, Sthaneshwar P
    Int J Lab Hematol, 2010 Oct;32(5):512-8.
    PMID: 20109166 DOI: 10.1111/j.1751-553X.2009.01215.x
    We evaluated the usefulness of RET-Y and RBC-Y in distinguishing functional iron deficiency from iron-deficiency anaemia (IDA) in patients with anaemia of inflammation (AI). Sixty healthy blood donors constituted the control group. We studied RET-Y and RBC-Y in 115 patients with hypochromic/microcytic anaemia. Of these 42 patients had uncomplicated IDA and 73 had AI. The AI patients were further subdivided into AI with IDA and AI with functional IDA based on soluble transferrin receptor (sTfR) levels. The mean RBC-Y and RET-Y values in iron-deficient patients were 122.4 and 119.8, respectively, which were significantly lower than the control (P < 0.001). The mean level of RET-Y in patients with AI associated with IDA was 149.3 and this level in AI patients with functional iron deficiency was 147.4. RET-Y levels in both subgroups of AI patients were significantly lower than control but no significant difference was observed between the two subgroups. Similar findings were observed for RBC-Y. Receiver operating characteristic analysis also showed lower specificity for RBC-Y and RET-Y compared with that of sTfR and its log ferritin ratio (F-index). RET-Y and RBC-Y are useful in the diagnosis of simple IDA but have limited utility in the diagnosis of IDA with AI.
    Matched MeSH terms: Inflammation/complications
  9. Aceclofenac topical dosage forms: in vitro and in vivo characterization
    Dua K, Pabreja K, Ramana MV
    Acta Pharm, 2010 Dec;60(4):467-78.
    PMID: 21169138 DOI: 10.2478/v1007-010-0036-5
    Aceclofenac is a new generation non-steroidal anti-inflammatory drug showing effective anti-inflammatory and analgesic properties. It is available in the form of tablets of 100 mg. Importance of aceclofenac as a NSAID has inspired development of topical dosage forms. This mode of administration may help avoid typical side effects associated with oral administration of NSAIDs, which have led to its withdrawal. Furthermore, aceclofenac topical dosage forms can be used as a supplement to oral therapy for better treatment of conditions such as arthritis. Ointments, creams, and gels containing 1% (m/m) aceclofenac have been prepared. They were tested for physical appearance, pH, spreadability, extrudability, drug content uniformity, in vitro diffusion and in vitro permeation. Gels prepared using Carbopol 940 (AF2, AF3) and macrogol bases (AF7) were selected after the analysis of the results. They were evaluated for acute skin irritancy, anti-inflammatory and analgesic effects using the carrageenan-induced thermal hyperalgesia and paw edema method. AF2 was shown to be significantly (p < 0.05) more effective in inhibiting hyperalgesia associated with inflammation, compared to AF3 and AF7. Hence, AF2 may be suggested as an alternative to oral preparations.
    Matched MeSH terms: Inflammation/drug therapy
  10. The inhibitory effects of Gelam honey and its extracts on nitric oxide and prostaglandin E(2) in inflammatory tissues
    Kassim M, Achoui M, Mansor M, Yusoff KM
    Fitoterapia, 2010 Dec;81(8):1196-201.
    PMID: 20708657 DOI: 10.1016/j.fitote.2010.07.024
    We investigated the effects of honey and its methanol and ethyl acetate extracts on inflammation in animal models. Rats' paws were induced with carrageenan in the non-immune inflammatory and nociceptive model, and lipopolysaccharide (LPS) in the immune inflammatory model. Honey and its extracts were able to inhibit edema and pain in inflammatory tissues as well as showing potent inhibitory activities against NO and PGE(2) in both models. The decrease in edema and pain correlates with the inhibition of NO and PGE(2). Phenolic compounds have been implicated in the inhibitory activities. Honey is potentially useful in the treatment of inflammatory conditions.
    Matched MeSH terms: Inflammation/drug therapy*; Inflammation/metabolism
  11. Fulltext In vitro and in vivo anti-inflammatory activity of 17-O-acetylacuminolide through the inhibition of cytokines, NF-κB translocation and IKKβ activity
    Achoui M, Appleton D, Abdulla MA, Awang K, Mohd MA, Mustafa MR
    PLoS One, 2010;5(12):e15105.
    PMID: 21152019 DOI: 10.1371/journal.pone.0015105
    17-O-acetylacuminolide (AA), a diterpenoid labdane, was isolated for the first time from the plant species Neouvaria foetida. The anti-inflammatory effects of this compound were studied both in vitro and in vivo.
    Matched MeSH terms: Inflammation*
  12. Ureteritis cystica: an interesting case with diagnostic dilemma
    Zamri Z, Harunarashid, Das S, Ramzisham AR
    Clin Ter, 2010;161(5):457-8.
    PMID: 20964103
    Ureteritis cystica is a rare, benign, proliferative condition. We report the case of a 51-year-old female who complained of dysuria and frequency for the last 10 years. The symptoms, however, increased in severity and frequency over the past one year. Urine culture and sensitivity showed presence of Escherichia Coli which was sensitive to augmentin and ciproflaxocin. The urinary tract ultrasonography and intravenous urography revealed bladder diverticula with multiple small, smooth well defects with sharp borders that protruded into the lumen along the proximal and mid left ureter. This finding was later confirmed by retrograde pyelogram. She was treated and currently is on long term antibiotic therapy. The diagnostic features and management of ureteritis cystic is being discussed in detail.
    Matched MeSH terms: Inflammation
  13. Anti-inflammatory and analgesic effects of ketoprofen in palm oil esters nanoemulsion
    Sakeena MH, Yam MF, Elrashid SM, Munavvar AS, Azmin MN
    J Oleo Sci, 2010;59(12):667-71.
    PMID: 21099145
    Ketoprofen is a potent non-steroidal anti-inflammatory drug has been used in the treatment of various kinds of pains, inflammation and arthritis. However, oral administration of ketoprofen produces serious gastrointestinal adverse effects. One of the promising methods to overcome these adverse effects is to administer the drug through the skin. The aim of the present work is to evaluate the anti-inflammatory and analgesic effects from topically applied ketoprofen entrapped palm oil esters (POEs) based nanoemulsion and to compare with market ketoprofen product, Fastum(®) gel. The novelty of this study is, use of POEs for the oil phase of nanoemulsion. The anti-inflammatory and analgesic studies were performed on rats by carrageenan-induced rat hind paw edema test and carrageenan-induced hyperalgesia pain threshold test to compare the ketoprofen entrapped POEs based nanoemulsion formulation and market formulation. Results indicated that there are no significant different between ketoprofen entrapped POEs nanoemulsion and market formulation in carrageenan-induced rat hind paw edema study and carrageenan-induced hyperalgesia pain threshold study. However, it shows a significant different between POEs nanoemulsion formulation and control group in these studies at p<0.05. From these results it was concluded that the developed nanoemulsion have great potential for topical application of ketoprofen.
    Matched MeSH terms: Inflammation/chemically induced; Inflammation/drug therapy
  14. Can the acute-phase reactant proteins be used as cancer biomarkers?
    Pang WW, Abdul-Rahman PS, Wan-Ibrahim WI, Hashim OH
    Int. J. Biol. Markers, 2010 Jan-Mar;25(1):1-11.
    PMID: 20155712
    The association between the acute-phase reactant proteins (APRPs) and cancer has long been established. There have been numerous reports correlating altered levels of various APRPs with different types of cancers. However, researchers are often quick to dismiss the use of these APRPs as potential biomarkers for the diagnosis and monitoring of cancer because alterations in APRP concentrations are observed in a wide range of diseases. Recent progress in proteomics studies which profiled the serum proteins of cancer patients and those of normal individuals indicated that the altered APRP expressions were different for distinct types, subtypes, and even stages of cancer. Interestingly, these data are in agreement with those observed earlier using immunochemical and biochemical assays. In view of this compelling association of different patterns of APRPs with various types of cancers and in an apparent shift of paradigm, we present in this review some indications that APRP fingerprinting may be used as complementary cancer biomarkers.
    Matched MeSH terms: Inflammation/blood; Inflammation/complications; Inflammation/immunology
  15. Fulltext The Effect of Eurycoma Longifolia Jack (Tongkat Ali) on Carbon Tetrachloride -Induced Liver Damage in Rats
    Al-Faqeh, H.H., Muhammad, B.Y., Nafie, E.M., Khorshid, A.
    Malaysian Journal of Pharmaceutical Science, 2010;8(2):1-18.
    MyJurnal
    We attempted to investigate possible hepatoprotective effect of Eurycoma longifolia jack (ELJ) using carbon tetrachloride-induced (CC14) acute hepatotoxicity model in rats. Hepatotoxicity was induced by oral administration of 4.0mg/kg of CCI4 in corn oil (1:1) once to one experimental group of 5 rats and, in three other similar groups, challenged doses (300, 750 and 1500 mg/kg respectively) of ELJ were given one day before and one hour after 4.0 mg/kg CC14 and then once daily for three consecutive days. Three other groups of 5 rats each serving as controls were administered with distilled water, corn oil and ELJ (750mg/kg) only respectively. Rats were sacrificed on day three (corn oil & CC14 treated groups) and on day 4 (Distilled water, ELJ alone and CC14 with graded doses of ELJ treated groups) and samples of blood and liver tissue were taken for biochemical (serum) and histopathological examinations to assess hepatoprotection of ELJ against CC14-induced hepatotoxicity. In the low (300mg/kg) and medium (750 mg/kg) dose ELJ treated groups, CCI4 induced moderate inflammation, fatty acid change and necrosis of hepatocytes while in the high (1500mg/kg) dose ELJ, CC14 induced severe inflammation, fatty acid change and necrosis of hepatocytes. Biochemical measurements of ALT and ALP shows a moderate and insignificant reduction of serum levels in the low dose ELJ group but a more significant reduction in the medium and high dose ELJ groups when compared with the CC14 only group. The increase in serum total bilirubin caused by CC14 was non-significantly reduced by all the doses of ELJ. Animals treated with CC14 alone and in groups treated with both CC14 and graded doses of ELJ had a reduction in body weight, food and water intake but in ELJ (750mg/kg) only treated group, no such reduction in body weight, food and water intake was observed. This observation suggest that ELJ administered alone did not cause any toxic effect to the liver but in combination with CCI4, appeared to synergize the CC14-induced hepatotoxicity which increases as the dose of ELJ is increased. The anorexic, hypodypsic and reduced body weight evident in the CC14 alone and in ELJ plus CC14 treated groups but not in animals treated with ELJ alone, suggests that ELJ alone does not induce anorexia, hypodypsia or loss of weight. In conclusion, the results of our study suggest that ELJ is not hepatotoxic when given alone and appeared to have some degree of protective effects in rats against CC14-induced hepatotoxicity.
    Matched MeSH terms: Inflammation
  16. Recent patents on topical application of honey in wound and burn management
    Benhanifia MB, Boukraâ L, Hammoudi SM, Sulaiman SA, Manivannan L
    Recent Pat Inflamm Allergy Drug Discov, 2011 Jan;5(1):81-6.
    PMID: 21171951
    Topical application of honey to burn and wounds has been found to be effective in controlling infection and producing a clean granulating bed. It is suggested that the wound healing effect of honey may in part be related to the release of inflammatory cytokines from surrounding tissue cells, mainly monocytes and macrophages. It has been reported that honey hastens wound healing by accelerating wound contractions. Microscopic evaluation demonstrated that there was a significant acceleration of dermal repair in wound treated with honey. Macroscopic and microscopic observations under in vivo assessment suggested that the topical application of honey might have favourable influences on the various phases of burn and wound healing hence accelerating the healing process. The regulatory effects of honey are related to components other than the sugars. However, the mechanisms by which honey affects the release of anti inflammatory agents and growth factors from monocytic cells are as yet unclear. Whether honey affects other cell types, particularly endothelial cells and fibroblasts, involved in wound healing also needs to be clarified. The present article is a short review of recent patents on the healing effect of honey in wound and burn management.
    Matched MeSH terms: Inflammation/drug therapy
  17. Fulltext Acute Acalculous Cholecystitis after Laparoscopic Appendicectomy that Responded to Conservative Management
    Hui CK
    Malays J Med Sci, 2011 Jan;18(1):76-8.
    PMID: 22135578
    Inflammation of the gallbladder without evidence of calculi is known as acute acalculous cholecystitis (AAC). AAC is frequently associated with a poor prognosis and a high mortality rate. Thus, early diagnosis and prompt surgical intervention has been recommended to improve the outcome of AAC. Herein, I present a case report of AAC complicating laparoscopic appendicectomy. Unlike previous studies that have reported the need for urgent intervention in patients with AAC, in this study, our patient responded to conservative management. Therefore, the management of AAC after laparoscopic appendicectomy should be individualised.
    Matched MeSH terms: Inflammation
  18. The effects of a synthetic curcuminoid analogue, 2,6-bis-(4-hydroxyl-3-methoxybenzylidine)cyclohexanone on proinflammatory signaling pathways and CLP-induced lethal sepsis in mice
    Tham CL, Lam KW, Rajajendram R, Cheah YK, Sulaiman MR, Lajis NH, et al.
    Eur J Pharmacol, 2011 Feb 10;652(1-3):136-44.
    PMID: 21114991 DOI: 10.1016/j.ejphar.2010.10.092
    We previously showed that 2,6-bis-(4-hydroxyl-3-methoxybenzylidine)cyclohexanone (BHMC), suppressed the synthesis of various proinflammatory mediators. In this study we explain the mechanism of action of BHMC in lipopolysaccharide (LPS)-induced U937 monocytes and further show that BHMC prevents lethality of CLP-induced sepsis. BHMC showed dose-dependent inhibitory effects on p38, JNK and ERK 1/2 activity as determined by inhibition of phosphorylation of downstream transcription factors ATF-2, c-Jun and Elk-1 respectively. Inhibition of these transcription factors subsequently caused total abolishment of AP-1-DNA binding. BHMC inhibited p65 NF-κB nuclear translocation and DNA binding of p65 NF-κB only at the highest concentration used (12.5μM) but failed to alter phosphorylation of JNK, ERK1/2 and STAT-1. Since the inhibition of p38 activity was more pronounced we evaluated the possibility that BHMC may bind to p38. Molecular docking experiments confirmed that BHMC fits well in the highly conserved hydrophobic pocket of p38 MAP kinase. We also show that BHMC was able to improve survival from lethal sepsis in a murine caecal-ligation and puncture (CLP) model.
    Matched MeSH terms: Inflammation Mediators/metabolism*
  19. Tocotrienols: inflammation and cancer
    Nesaretnam K, Meganathan P
    Ann N Y Acad Sci, 2011 Jul;1229:18-22.
    PMID: 21793834 DOI: 10.1111/j.1749-6632.2011.06088.x
    Inflammation is an organism's response to environmental assaults. It can be classified as acute inflammation that leads to therapeutic recovery or chronic inflammation, which may lead to the development of cancer and other ailments. Genetic changes that occur within cancer cells themselves are responsible for many aspects of cancer development but are dependent on ancillary processes for tumor promotion and progression. Inflammation has long been associated with the development of cancer. The distinct characteristics of cancer cells to proliferate, metastasize, evade apoptotic signals, and develop chemoresistance have been linked to the inflammatory response. Due to the involvement of multiple genes and various pathways, current drugs that target single genes have not been effective in providing a therapeutic cure. On the other hand, natural products target multiple genes and therefore have better success compared to drugs. Tocotrienols, the potent isoforms of vitamin E, are such a natural product. This review will discuss the relationship between cancer and inflammation with particular focus on the roles played by NF-κB, STAT3, and COX-2.
    Matched MeSH terms: Inflammation/complications*; Inflammation/metabolism
  20. Fulltext Cytomegalovirus colitis in immunocompetent patients
    Momin N, Telisinghe PU, Chong VH
    Singapore Med J, 2011 Sep;52(9):e170-2.
    PMID: 21947157
    Cytomegalovirus (CMV) infection can present with severe manifestations that are associated with significant morbidity and mortality, especially in immunocompromised patients. CMV infections in immunocompetent patients are usually transient and do not exhibit many symptoms. However, in some patients, the manifestations can be severe. We report CMV colitis in two immunocompetent patients; one in a young man who was critically ill with septicaemia and significant non-bloody diarrhoea that responded to specific CMV treatment, and another in an elderly woman who presented with nonspecific abdominal pain and fever that resolved without specific CMV treatment.
    Matched MeSH terms: Inflammation
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