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https://www.readbyqxmd.com/read/29344928/morphine-mediated-brain-region-specific-astrocytosis-involves-the-er-stress-autophagy-axis
#1
Susmita Sil, Palsamy Periyasamy, Ming-Lei Guo, Shannon Callen, Shilpa Buch
A recent study from our lab has revealed a link between morphine-mediated autophagy and synaptic impairment. The current study was aimed at investigating whether morphine-mediated activation of astrocytes involved the ER stress/autophagy axis. Our in vitro findings demonstrated upregulation of GFAP indicating astrocyte activation with a concomitant increase in the production of proinflammatory cytokines in morphine-exposed human astrocytes. Using both pharmacological and gene-silencing approaches, it was demonstrated that morphine-mediated defective autophagy involved upstream activation of ER stress with subsequent downstream astrocyte activation via the μ-opioid receptor (MOR)...
January 17, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29342870/biomarkers-of-progression-after-hiv-acute-early-infection-nothing-compares-to-cd4%C3%A2-%C2%BA-t-cell-count
#2
Gabriela Turk, Yanina Ghiglione, Macarena Hormanstorfer, Natalia Laufer, Romina Coloccini, Jimena Salido, César Trifone, María Julia Ruiz, Juliana Falivene, María Pía Holgado, María Paula Caruso, María Inés Figueroa, Horacio Salomón, Luis D Giavedoni, María de Los Ángeles Pando, María Magdalena Gherardi, Roberto Daniel Rabinovich, Pedro A Pury, Omar Sued
Progression of HIV infection is variable among individuals, and definition disease progression biomarkers is still needed. Here, we aimed to categorize the predictive potential of several variables using feature selection methods and decision trees. A total of seventy-five treatment-naïve subjects were enrolled during acute/early HIV infection. CD4⁺ T-cell counts (CD4TC) and viral load (VL) levels were determined at enrollment and for one year. Immune activation, HIV-specific immune response, Human Leukocyte Antigen (HLA) and C-C chemokine receptor type 5 (CCR5) genotypes, and plasma levels of 39 cytokines were determined...
January 13, 2018: Viruses
https://www.readbyqxmd.com/read/29340522/penile-microvascular-endothelial-function-in-hypertensive-patients-effects-of-acute-type-5-phosphodiesterase-inhibition
#3
V Verri, A A Brandão, E Tibirica
The primary aim of this study was to evaluate penile endothelial microvascular function in patients with primary arterial hypertension and age-matched normotensive subjects using laser speckle contrast imaging (LSCI). Additionally, we analyzed the acute penile microvascular effects induced by oral phosphodiesterase type 5 inhibitor (sildenafil; SIL) administration. Endothelium-dependent microvascular reactivity was evaluated in the penises and forearms of hypertensive patients (aged 58.8±6.6 years, n=34) and age-matched healthy volunteers (n=33) at rest and 60 min following oral SIL (100 mg) administration...
January 11, 2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29336663/lactobacillus-acidophilus-improves-intestinal-inflammation-in-an-acute-colitis-mouse-model-by-regulation-of-th17-and-treg-cell-balance-and-fibrosis-development
#4
Jin-Sil Park, JeongWon Choi, JooYeon Jhun, Ji Ye Kwon, Bo-In Lee, Chul Woo Yang, Sung-Hwan Park, Mi-La Cho
Disruption of the balance among the microbiota, epithelial cells, and resident immune cells in the intestine is involved in the pathogenesis of inflammatory bowel disease (IBD). Probiotics exert protective effects against IBD, and probiotic commensal Lactobacillus species are common inhabitants of the natural microbiota, especially in the gut. To investigate the effects of Lactobacillus acidophilus on the development of IBD, L. acidophilus was administered orally in mice with dextran sodium sulfate (DSS)-induced colitis...
January 16, 2018: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29335048/antiplaque-antifungal-effectiveness-of-aloevera-among-intellectually-disabled-adolescents-pilot-study
#5
Sachin G Khatri, Srinivasan Raj Samuel, Shashidhar Acharya, Snehal T Patil
PURPOSE: Various candida species have been associated with poor oral hygiene and active carious lesions. The purpose of this study was to evaluate the effectiveness of aloe vera compared to triclosan toothpaste against total candida, C. albicans, C. tropicalis, Candida krusei, and plaque/gingivitis among intellectually disabled adolescents over 30 days. METHODS: A double-blind prospective randomized trial was conducted among 40 intellectually disabled adolescents randomly allocated into aloe vera/triclosan groups...
November 1, 2017: Pediatric Dentistry
https://www.readbyqxmd.com/read/29332562/the-delicate-balance-between-the-good-and-the-bad-il-1-proinflammatory-effects-in-endometriosis
#6
Justyna Sikora, Simone Ferrero, Aleksandra Mielczarek-Palacz, Zdzislawa Kondera-Anasz
BACKGROUND: Endometriosis is an inflammatory gynaecological disease with an associated chronic inflammation. Interleukin(IL)-1 is one of the most important immune and proinflammatory factors, produced mainly by monocytes and macrophages. Studies indicate the role of the cytokine from IL-1 family in endometrium-related disorders, particularly in endometriosis. METHODS: The information about the impact of cytokine from IL-1 cytokine family on the pathogenesis and development of endometriosis was obtained with an electronic literature search based on the PubMed and Medline databases, spanning the period of January 1950 to July 2017 and includes associated references in the published studies...
January 10, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29331881/ameliorative-role-of-genistein-against-age-dependent-chronic-arsenic-toxicity-in-murine-brains-via-the-regulation-of-oxidative-stress-and-inflammatory-signaling-cascades
#7
Sukanya Saha, Pritam Sadhukhan, Sushweta Mahalanobish, Sayanta Dutta, Parames C Sil
Brain is highly prone to oxidative damage due to its huge lipid content and extensive energy requirements. Exogenous insult in brain via oxidative injury can lead to severe pathophysiological conditions. Age-dependent deterioration of normal brain functions is also noteworthy. Genistein, a polyphenolic isoflavonoid, obtained from the soy plant, is well known to protect against several diseased conditions. Here, in this study chronic brain toxicity model was developed using oral administration of arsenic for 90 days in adult and aged murines...
December 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29330512/inactivated-rotavirus-vaccine-by-parenteral-administration-induces-mucosal-immunity-in-mice
#8
Theresa K Resch, Yuhuan Wang, Sung-Sil Moon, Jessica Joyce, Song Li, Mark Prausnitz, Baoming Jiang
To improve the safety and efficacy of oral rotavirus vaccines, we developed an inactivated rotavirus vaccine (IRV) for parenteral administration. Since it remains unknown whether parenteral vaccination can induce mucosal immunity, we performed a comprehensive assessment of immune responses to IRV in mice with an adjuvant-free dissolving polymer MN patch or by alum-adjuvanted IM injection. We demonstrated that IRV induced the expression of the gut homing receptor LPAM-1 on T and B cells in spleen and mLN of vaccinated mice...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29328473/detection-of-high-grade-neoplasia-in-air-dried-cervical-pap-smears-by-a-microrna-based-classifier
#9
Mikhail K Ivanov, Sergei E Titov, Sergei A Glushkov, Victoria V Dzyubenko, Anastasia V Malek, Polina A Arkhangelskaya, Roman B Samsonov, Andrey A Mikhetko, Elena V Bakhidze, Igor V Berlev, Nikolay N Kolesnikov
Recent studies have shown that changes in the expression levels of certain microRNAs correlate with the degree of severity of cervical lesions. The aim of the present study was to develop a microRNA-based classifier for the detection of high-grade cervical intraepithelial neoplasia (CIN ≥2) in cytological samples from patients with different high-risk human papillomavirus (HR-HPV) viral loads. For this purpose, raw RT-qPCR data for 25 candidate microRNAs, U6 snRNA and human DNA in air-dried PAP smears from 174 women with different cervical cytological diagnoses, 144 of which were HR-HPV-positive [40 negative for intraepithelial lesion or malignancy (NILM), 34 low-grade squamous intraepithelial lesions (L-SIL), 57 high-grade squamous intraepithelial lesions (H-SIL), 43 invasive cancers], were statistically processed...
January 12, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29323367/quantitative-mass-spectrometry-imaging-of-glutathione-in-healthy-and-cancerous-hen-ovarian-tissue-sections-by-infrared-matrix-assisted-laser-desorption-electrospray-ionization-ir-maldesi
#10
Milad Nazari, Mark T Bokhart, Philip L Loziuk, David C Muddiman
A quantitative mass spectrometry imaging (QMSI) method for absolute quantification of glutathione (GSH) in healthy and cancerous hen ovarian tissues using infrared matrix-assisted laser desorption electrospray ionization (IR-MALDESI) is presented. Using this technique, the ion abundance of GSH was normalized to that of a structural analogue, which was sprayed on the slide prior to mounting the tissue sections. This normalization strategy significantly improved the voxel-to-voxel variability; the variability is attributed to the overall ionization process...
January 11, 2018: Analyst
https://www.readbyqxmd.com/read/29322414/dissecting-interleukin-6-classic-and-trans-signaling-in-inflammation-and-cancer
#11
Christoph Garbers, Stefan Rose-John
Interleukin-6 is a cytokine synthesized by many cells in the human body. IL-6 binds to a membrane bound IL-6R, which is only present on hepatocytes, some epithelial cells and some leukocytes. The complex of IL-6 and IL-6R binds to the ubiquitously expressed receptor subunit gp130, which forms a homodimer and thereby initiates intracellular signaling via the JAK/STAT and the MAPK pathways. IL-6R expressing cells can cleave the receptor protein to generate a soluble IL-6R (sIL-6R), which can still bind IL-6 and can associate with gp130 and induce signaling even on cells, which do not express IL-6R...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29321998/effectiveness-of-two-different-herbal-toothpaste-formulations-in-the-reduction-of-plaque-and-gingival-inflammation-in-patients-with-established-gingivitis-a-randomized-controlled-trial
#12
Rajesh Hosadurga, Vinita Ashutosh Boloor, Sudharshan N Rao, N MeghRani
Background: Plant based toothpastes have received great attention in reducing gingival inflammation. Studies show contrasting results regarding the effectiveness of these toothpastes. In the present study, the effectiveness of two herbal tooth paste formulations in the reduction of plaque and gingival inflammation was assessed. Nicotine content in the toothpastes was assessed using GCMS. Material and methods: 50 patients with established gingivitis were included in the study...
January 2018: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29312829/formononetin-inhibits-lipopolysaccharide-induced-release-of-high-mobility-group-box-1-by-upregulating-sirt1-in-a-ppar%C3%AE-dependent-manner
#13
Jung Seok Hwang, Eun Sil Kang, Sung Gu Han, Dae-Seog Lim, Kyung Shin Paek, Chi-Ho Lee, Han Geuk Seo
Background: The release of high mobility group box 1 (HMGB1) induced by inflammatory signals acts as a cellular alarmin to trigger a chain of inflammatory responses. Although the inflammatory actions of HMGB1 are well studied, less is known about the therapeutic agents that can impede its release. This study investigated whether the isoflavonoid formononetin can modulate HMGB1 release in cellular inflammatory responses. Methods: RAW264.7 murine macrophages were exposed to lipopolysaccharide (LPS) in the presence or absence of formononetin...
2018: PeerJ
https://www.readbyqxmd.com/read/29308696/early-pregnancy-protein-multiplex-screening-reflects-circulating-and-urinary-divergences-associated-with-the-development-of-preeclampsia
#14
Margarita L Martinez-Fierro, Claudia Castruita-De La Rosa, Idalia Garza-Veloz, Rosa M Cardiel-Hernandez, Marcela A Espinoza-Juarez, Ivan Delgado-Enciso, Maria E Castañeda-Lopez, Edith Cardenas-Vargas, Fabiola Trejo-Vázquez, Elma I Sotelo-Ham, Rodrigo Castañeda-Miranda, Miguel A Cid-Baez, Jose M Ortiz-Rodriguez, Luis O Solis-Sanchez, Angelica Garcia Aviles, Yolanda Ortiz-Castro
BACKGROUND: Preeclampsia, a pregnancy disorder characterized by hypertension and proteinuria, represents the leading cause of fetal and maternal morbidity and mortality in developing countries. The identification of novel and accurate biomarkers that are predictive of preeclampsia is necessary to improve the prognosis of patients with preeclampsia. OBJECTIVE: To evaluate the preeclampsia predictive value of 34 angiogenic-related proteins. METHODS: We performed a nested cohort case-control study of pregnant women...
January 8, 2018: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/29298675/root-lodging-is-a-physical-stress-that-changes-gene-expression-from-sucrose-accumulation-to-degradation-in-sorghum
#15
Hiroshi Mizuno, Shigemitsu Kasuga, Hiroyuki Kawahigashi
BACKGROUND: Sorghum (Sorghum bicolor L.) is used as a raw material for biofuels because it accumulates sugars at high levels in the stem. Lodging of sorghum occurs when the soil is wet and very high winds blow across the field. In root lodging, the roots are pulled loose from the soil, causing the plant to fall over. Lodging reduces the yield of nonstructural carbohydrates. It is not yet clear which genes show changes in expression when sorghum falls over. We compared whole-gene expression in the mature stems of intact and lodged sorghum plants, with a focus on comparisons from the perspective of differences in sugar accumulation or degradation...
January 3, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29297747/the-role-of-hand-assisted-laparoscopic-technique-in-the-age-of-single-incision-laparoscopy-an-effective-alternative-to-avoid-open-conversion-in-colorectal-surgery
#16
Kyung Uk Jung, Seong Hyeon Yun, Yong Beom Cho, Hee Cheol Kim, Woo Yong Lee, Ho-Kyung Chun
BACKGROUND: Continuous efforts to reduce the numbers and size of incisions led to the emergence of a new technique, single-incision laparoscopic surgery (SILS). It has been rapidly accepted as the preferred surgical approach in the colorectal area. In the age of SILS, what is the role of hand-assisted laparoscopic surgery (HALS)? We introduce the way to take advantage of it, as an effective alternative to avoid open conversion. METHODS: This is a retrospective review of prospectively collected data of SILS colectomies performed by a single surgeon in Samsung Medical Center between August 2009 and December 2012...
January 3, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29296904/soluble-interleukin-2-receptor-is-a-sensitive-diagnostic-test-in-adult-hlh
#17
Anna Hayden, Molly Lin, Sujin Park, Morris Pudek, Marion Schneider, Michael B Jordan, Andre Mattman, Luke Y C Chen
Serum soluble interleukin-2 receptor (sIL-2r) is an important disease marker in hemophagocytic lymphohistiocytosis (HLH), but there are no published data on its diagnostic value in adults. We conducted a single-center retrospective study of 78 consecutive adults who had sIL-2r measured for suspected HLH. Serum sIL-2r levels were measured by enzyme-linked immunosorbent assay (adult reference range, 241-846 U/mL). There were 38 patients with HLH and 40 with a non-HLH diagnosis (such as sepsis, liver disease, histiocyte disorders, autoimmune disease, leukemia, or lymphoma)...
December 12, 2017: Blood Advances
https://www.readbyqxmd.com/read/29295642/clinical-characteristics-therapy-response-and-outcome-of-51-adult-patients-with-hematological-malignancy-associated-hemophagocytic-lymphohistiocytosis-a-single-institution-experience
#18
Fryderyk Lorenz, Monika Klimkowska, Ewa Pawłowicz, Agnes Bulanda Brustad, Martin Erlanson, Maciej Machaczka
Hemophagocytic lymphohistiocytosis (HLH) is an underdiagnosed but life-threatening syndrome of hyperinflammation often occurring in adults with hematological malignancies (hM-HLH). The aim of the study was to describe clinical characteristics, therapy response, and outcome of adults with hM-HLH. The study included 51 adults with hM-HLH aged 23-84 years. Hyperferritinemia ≥500 µg/L was present in 96% of patients. The serum concentration of sIL-2Rα ≥ 2400 U/mL was revealed in 94% of patients. Twenty-three patients (45%) responded to therapy and achieved remission of HLH...
January 3, 2018: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29286215/inter-and-intra-observer-variability-in-diagnosis-of-oral-dysplasia
#19
Shubhasini A R, Praveen B N, Usha Hegde, Uma K, Shubha G, Keerthi G, Shiladitya Sil
Background: Oral potentially malignant disorders (OPMDs) are lesions from which malignancy is more likely to develop that from other tissues. The potential for malignant transformation of OPMDs is estimated by determining the degree of dysplastic changes in the epithelium. Dysplasia grading has been criticized for lack of reproducibility and poor predictive value but is still considered the gold standard for diagnosing OPMDs. Since grading of dysplasia is based on architectural and cytological changes, there can be considerable inter- and intra-observer variability due to subjective impressions...
December 29, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29285878/a-comparison-of-the-effectiveness-of-silibinin-and-resveratrol-in-preventing-alpha-amanitin-induced-hepatotoxicity
#20
Aynur Sahin, M Aylin Arici, Yeliz Yılmaz, Sule Kalkan, Nergiz Durmus, Bekir Ugur Ergur, İlkay Aksu, Neşe Atabey, Yesim Tuncok
Amanita phalloides species mushrooms containing alpha amanitin (α-AMA) are responsible for the majority of fatal mushroom intoxications and can lead to severe poisonings resulting in hepatotoxicity and acute hepatic failure. Existing antidotes, such as silibinin, are not sufficiently effective in the prevention and/or resolution of α-AMA-induced hepatotoxicity. We investigated the effects of resveratrol on α-AMA-induced hepatotoxicity and compared with silibinin, a known antidote using in vivo and in vitro toxicity models...
December 29, 2017: Basic & Clinical Pharmacology & Toxicology
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