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alpha-1 liver disease

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https://www.readbyqxmd.com/read/29778908/mammalian-target-of-rapamycin-complex-2-signaling-in-obese-women-changes-after-bariatric-surgery
#1
Marcela Augusta de Souza Pinhel, Carolina Ferreira Nicoletti, Natalia Yumi Noronha, Bruno Affonso Parenti de Oliveira, Cristiana Cortes-Oliveira, Wilson Salgado, Wilson Araujo da Silva, Doroteia Rossi Silva Souza, Julio Sergio Marchini, Carla Barbosa Nonino
OBJECTIVES: After bariatric surgery, modifications to signaling pathway networks including those of the metabolic regulator called mammalian or mechanistic target of rapamycin (mTOR) may lead to molecular alterations related to energy source availability, systemic nutrients, and catabolic and anabolic cellular processes. This study aimed to identify gene expression changes with regard to the mTOR complex 2 subunit signaling pathway in obese patients before and after bariatric surgery...
March 21, 2018: Nutrition
https://www.readbyqxmd.com/read/29769092/mineralization-of-alpha-1-antitrypsin-inclusion-bodies-in-mmalton-alpha-1-antitrypsin-deficiency
#2
Francesco Callea, Isabella Giovannoni, Paola Francalanci, Renata Boldrini, Gavino Faa, Daniela Medicina, Valerio Nobili, Valeer J Desmet, Kamal Ishak, Kuniaki Seyama, Emanuele Bellacchio
BACKGROUND: Alpha-1-antitrypsin (AAT) deficiency (AATD) of Z, Mmalton, Siiyama type is associated with liver storage of the mutant proteins and liver disease. The Z variant can be diagnosed on isoelectric focusing (IEF) while Mmalton and Siiyama may be missed or misdiagnosed with this technique. Therefore, molecular analysis is mandatory for their characterization. In particular, that holds true for the Mmalton variant as on IEF profile it resembles the wild M2 subtype. METHODS: This is a retrospective analysis involving review of medical records and of liver biopsy specimens from a series of Mmalton, Z and Siiyama Alpha-1-antitrypsin deficiency patients...
May 16, 2018: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/29768109/effects-of-phytosterol-supplementation-on-serum-levels-of-lipid-profiles-liver-enzymes-inflammatory-markers-adiponectin-and-leptin-in-patients-affected-by-nonalcoholic-fatty-liver-disease-a-double-blind-placebo-controlled-randomized-clinical-trial
#3
Mohammad Ali Javanmardi, Majid Mohammad Shahi, Seyed Saeed Seyedian, Mohammad Hossein Haghighizadeh
OBJECTIVE: Considering the high prevalence of nonalcoholic fatty liver disease and based on the evidence about the role of dietary cholesterol in liver inflammation, and also with regard to the effect of phytosterols on the metabolism of cholesterol, we aimed at exploring the therapeutic potential of phytosterol supplementation against nonalcoholic fatty liver disease. METHOD: Thirty-eight patients with nonalcoholic fatty liver disease were randomly divided into two groups: The phytosterol group (n = 19) received a 1...
May 16, 2018: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/29768056/presentation-and-prognosis-of-liver-disease-in-alpha-1-antitrypsin-deficiency
#4
Sarah Townsend, Philip Newsome, Alice M Turner
No abstract text is available yet for this article.
May 16, 2018: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29748743/erythropoietin-and-nrf2-key-factors-in-the-neuroprotection-provided-by-apo-lactoferrin
#5
E T Zakharova, A V Sokolov, N N Pavlichenko, V A Kostevich, I N Abdurasulova, A V Chechushkov, I V Voynova, A Yu Elizarova, N N Kolmakov, M G Bass, I V Semak, A I Budevich, P M Kozhin, N K Zenkov, V M Klimenko, O V Kirik, D E Korzhevskii, E B Menshchikova, V B Vasilyev
Among the properties of lactoferrin (LF) are bactericidal, antianemic, immunomodulatory, antitumour, antiphlogistic effects. Previously we demonstrated its capacity to stabilize in vivo HIF-1-alpha and HIF-2-alpha, which are redox-sensitive multiaimed transcription factors. Various tissues of animals receiving recombinant human LF (rhLF) responded by expressing the HIF-1-alpha target genes, hence such proteins as erythropoietin (EPO), ceruloplasmin, etc. were synthesized in noticeable amounts. Among organs in which EPO synthesis occurred were brain, heart, spleen, liver, kidneys and lungs...
May 10, 2018: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/29741759/anionic-nanoliposomes-reduced-atherosclerosis-progression-in-low-density-lipoprotein-receptor-ldlr-deficient-mice-fed-a-high-fat-diet
#6
Smriti M Krishna, Joseph V Moxon, Roby J Jose, Jiaze Li, Amirhossein Sahebkar, Mahmoud R Jaafari, Mahdi Hatamipour, Dawie Liu, Jonathan Golledge
Atherosclerosis is a systemic disease characterized by the deposition of cholesterol and inflammatory cells within the arterial wall. Removal of cholesterol from the vessel wall may have an impact on the size and composition of atherosclerotic lesions. Anionic phospholipids or liposome vesicles composed of a lipid bilayer such as nanoliposomes have been suggested as treatments for dyslipidemia. In this study, we investigated the effect of anionic nanoliposomes on atherosclerosis in a mouse model. Low-density lipoprotein receptor knockout mice (Ldlr-/- ) were fed with an atherosclerosis promoting high fat and cholesterol (HFC) diet for 12 weeks...
May 9, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29740214/role-of-beclin1-expression-in-patients-with-hepatocellular-carcinoma-a-meta-analysis
#7
Chaojie Liang, Wei Li, Hua Ge, Kaitong Zhang, Guangming Li, Jixiang Wu
Background and aim: Beclin1 has been reported as a vital marker for a number of malignant tumors. However, the role of Beclin1 in hepatocellular carcinoma (HCC) remains inconclusive. Thus, we conducted a meta-analysis to assess the correlation between Beclin1 and its clinicopathological and prognostic values in HCC. Methods: PubMed, Cochrane Library, Web of Science, EMBASE, Chinese CNKI, and Chinese WanFang databases were searched for published articles on Beclin1 expression in hepatocellular tissues...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29737211/hepatoprotective-effect-of-wedelolactone-against-concanavalin-a-induced-liver-injury-in-mice
#8
Qingqiong Luo, Jieying Ding, Liping Zhu, Fuxiang Chen, Lili Xu
Eclipta prostrata L. is a traditional Chinese herbal medicine that has been used in the treatment of liver diseases. However, its biological mechanisms remain elusive. The current study aimed to investigate the hepatoprotective effect of wedelolactone, a major coumarin ingredient of Eclipta prostrata L., on immune-mediated liver injury. Using the well-established animal model of Concanavalin A (ConA)-induced hepatitis (CIH), we found that pretreatment of mice with wedelolactone markedly reduced both the serum levels of transaminases and the severity of liver damage...
May 8, 2018: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/29728363/increased-hepatic-pdgf-aa-signaling-mediates-liver-insulin-resistance-in-obesity-associated-type-2-diabetes
#9
Amar Abderrahmani, Loïc Yengo, Robert Caiazzo, Mickaël Canouil, Stéphane Cauchi, Violeta Raverdy, Valérie Plaisance, Valérie Pawlowski, Stéphane Lobbens, Julie Maillet, Laure Rolland, Raphael Boutry, Gurvan Queniat, Maxime Kwapich, Mathie Tenenbaum, Julien Bricambert, Sophie Saussenthaler, Elodie Anthony, Pooja Jha, Julien Derop, Olivier Sand, Iandry Rabearivelo, Audrey Leloire, Marie Pigeyre, Martine Daujat-Chavanieu, Sabine Gerbal-Chaloin, Tasnim Dayeh, Guillaume Lassailly, Philippe Mathurin, Bart Staels, Johan Auwerx, Annette Schürmann, Catherine Postic, Clemens Schafmayer, Jochen Hampe, Amélie Bonnefond, François Pattou, Philippe Froguel
In type 2 diabetes (T2D), hepatic insulin resistance is strongly associated with non-alcoholic fatty liver disease (NAFLD). In this study, we hypothesized that DNA methylome of livers from patients with T2D, when compared to livers of individuals with normal plasma glucose levels, can unveil some mechanism of hepatic insulin resistance that could link to NAFLD. Using DNA methylome and transcriptome analyses of livers from obese individuals, we found that both hypomethylation at a CpG site in PDGFA (encoding platelet derived growth factor alpha) and PDGFA overexpression are associated with increased T2D risk, hyperinsulinemia, increased insulin resistance and increased steatohepatitis risk...
May 4, 2018: Diabetes
https://www.readbyqxmd.com/read/29708806/ashitaba-angelica-keiskei-exudate-prevents-increases-in-plasminogen-activator-inhibitor-1-induced-by-obesity-in-tsumura-suzuki-obese-diabetic-mice
#10
Mitsuhiro Ohta, Aya Fujinami, Katsutaka Oishi, Norihiro Kobayashi, Katsunori Ohnishi, Naoki Ohkura
Angelica keiskei koidzumi (ashitaba) is consumed as a traditional folk medicine and health food in Japan. Ashitaba extract contains abundant flavonoids containing chalcones. Plasminogen activator inhibitor-1 (PAI-1) is the primary physiological inhibitor of tissue plasminogen activator. Excessive amounts of PAI-1 in plasma disrupt the fibrinolytic balance and promote a prothrombotic state with which thrombosis and cardiovascular diseases are associated. In the present study, we investigated the effects of ashitaba yellow exudate (AE) on enhanced PAI-1 levels in Tsumura Suzuki obese diabetic (TSOD) mice...
April 30, 2018: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29707779/alpha-1-antitrypsin-deficiency-panniculitis-clinical-and-pathologic-characteristics-of-10-cases
#11
Emma F Johnson, Stanislav N Tolkachjov, Lawrence E Gibson
BACKGROUND: Alpha-1 antitrypsin deficiency (AATD) may be associated with liver and lung disease and rarely causes panniculitis. OBJECTIVE: We evaluated the clinicopathologic and laboratory findings of AATD panniculitis in 10 patients. METHODS: We conducted a retrospective review of all cases of AATD panniculitis at Mayo Clinic, Rochester, MN, from 1989 to 2016. RESULTS: Ten patients with AATD panniculitis were included...
April 29, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29696962/alpha1-antitrypsin-deficiency-what-s-new-after-european-respiratory-society-statement
#12
Filippo Patrucco, Ludovica Venezia, Francesco Gavelli, Rinaldo Pellicano, Paolo Solidoro
Alpha-1 antitrypsin deficiency (AATD) is a clinically under-recognized inherited disorder affecting the lungs and the liver. The most common manifestations are pulmonary emphysema, bronchiectasis and liver disease. The recent publication of the European Respiratory Society statement on diagnosis and treatment of pulmonary diseases has replaced the 2003 American Thoracic Society and European Respiratory Society one. New outcome parameters have been introduced and validated by observational and randomized clinical trials, and new information about efficacy and safety of augmentation therapy have been published...
April 24, 2018: Panminerva Medica
https://www.readbyqxmd.com/read/29696080/therapeutic-effects-of-serum-extracellular-vesicles-in-liver-fibrosis
#13
Li Chen, Ruju Chen, Sherri Kemper, Min Cong, Hong You, David R Brigstock
The lack of approved therapies for hepatic fibrosis seriously limits medical management of patients with chronic liver disease. Since extracellular vesicles (EVs) function as conduits for intercellular molecular transfer, we investigated if EVs from healthy individuals have anti-fibrotic properties. Hepatic fibrogenesis or fibrosis in carbon tetrachloride (CCl4 )- or thioacetic acid-induced liver injury models in male or female mice were suppressed by serum EVs from normal mice (EVN) but not from fibrotic mice (EVF)...
2018: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/29692782/nod-like-receptor-protein-3-inflammasome-dependent-il-1%C3%AE-accelerated-cona-induced-hepatitis
#14
Jingyun Luan, Xuyao Zhang, Shaofei Wang, Yubin Li, Jiajun Fan, Wei Chen, Wenjing Zai, Sijia Wang, Yichen Wang, Mingkuan Chen, Guangxun Meng, Dianwen Ju
Autoimmune hepatitis (AIH) is a progressive inflammatory disorders of unknown etiology, characterized by immune-mediated destruction of hepatocytes and massive production of cytokines. Interleukin-1β is a pleiotropic proinflammatory cytokine and well known to be critical in a variety of autoimmune diseases. However, the role of interleukin-1β (IL-1β) in AIH is still indistinct. Here, we first investigated the significance of NOD-like receptor protein 3 (NLRP3) inflammasome-dependent IL-1β in the pathogenesis of AIH with a murine model of immune-mediated hepatitis induced by Concanavalin A (ConA)...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29690903/ccl20-is-up-regulated-in-non-alcoholic-fatty-liver-disease-fibrosis-and-is-produced-by-hepatic-stellate-cells-in-response-to-fatty-acid-loading
#15
Xin Chu, Qunyan Jin, Hui Chen, G Craig Wood, Anthony Petrick, William Strodel, Jon Gabrielsen, Peter Benotti, Tooraj Mirshahi, David J Carey, Christopher D Still, Johanna K DiStefano, Glenn S Gerhard
BACKGROUND: Nonalcoholic fatty liver disease (NAFLD) is a prevalent complication of extreme obesity. Loading of the liver with fat can progress to inflammation and fibrosis including cirrhosis. The molecular factors involved in the progression from simple steatosis to fibrosis remain poorly understood. METHODS: Gene expression profiling using microarray, PCR array, and RNA sequencing was performed on RNA from liver biopsy tissue from patients with extreme obesity...
April 24, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29690638/neurotensin-is-a-lipid-induced-gastrointestinal-peptide-associated-with-visceral-adipose-tissue-inflammation-in-obesity
#16
Ilaria Barchetta, Flavia Agata Cimini, Danila Capoccia, Laura Bertoccini, Valentina Ceccarelli, Caterina Chiappetta, Frida Leonetti, Claudio Di Cristofano, Gianfranco Silecchia, Marju Orho-Melander, Olle Melander, Maria Gisella Cavallo
Neurotensin (NT) is a 13-amino acid peptide localized in the neuroendocrine cells of the small intestine, which promotes fat absorption and fatty acids translocation in response to lipid ingestion. NT-knock-out mice fed with a high-fat diet are protected from obesity, fatty liver, and the development of insulin-resistance. In humans, higher plasma levels of pro-NT, which is the stable circulating precursor of NT, predict obesity, type 2 diabetes (T2D), and cardiovascular disease. In obesity, the presence of visceral adipose tissue (VAT) inflammation leads to unfavorable metabolic outcomes and is associated with the development of T2D and non-alcoholic fatty liver disease (NAFLD)...
April 23, 2018: Nutrients
https://www.readbyqxmd.com/read/29686472/development-and-predictive-validity-of-the-cirrhosis-associated-ascites-symptom-scale-a-cohort-study-of-103-patients
#17
Agnete Nordheim Riedel, Nina Kimer, Anne-Sofie Houlberg Jensen, Emilie Kristine Dahl, Mads Israelsen, Luise Aamann, Lise Lotte Gluud
AIM: To develop a scale of domains associated with the health-related quality-of-life (HRQOL) in patients with cirrhosis-related ascites. METHODS: We initially undertook literature searches and a qualitative study in order to design a cirrhosis-associated ascites symptom (CAS) scale describing symptoms with a potential detrimental impact on health related quality of life (HRQL) (the higher the score, the worse the symptoms). Discriminatory validity was assessed in a validation cohort including cirrhotic patients with (1) tense/severe; (2) moderate/mild; or (3) no ascites (controls)...
April 21, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29628773/the-mutation-of-hepatitis-b-virus-and-the-prognosis-of-hepatocellular-carcinoma-after-surgery-a-pilot-study
#18
Yaojun Zhang, Junting Huang, Jinbin Chen, Keli Yang, Jiancong Chen, Li Xu, Zhongguo Zhou, Minshan Chen
Background: Although hepatitis B virus (HBV) is still one of the most common etiological factors for hepatocellular carcinoma (HCC), the association between the HBV mutations and the clinical characteristics and prognosis of HBV-related HCC patients (HBV-HCC) after surgical resection remains largely unknown. Materials and methods: A cohort of 131 consecutive patients who received hepatectomy for HBV-HCC were retrospectively enrolled. The HBV genotype and 14 genomic mutations, which have been reported to relate to HCC in liver samples, were sequenced...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/29626296/real-world-efficacy-and-safety-of-ledipasvir-and-sofosbuvir-in-patients-with-hepatitis-c-virus-genotype-1-infection-a-nationwide-multicenter-study-by-the-japanese-red-cross-liver-study-group
#19
Keiji Tsuji, Masayuki Kurosaki, Jun Itakura, Nami Mori, Shintaro Takaki, Chitomi Hasebe, Takehiro Akahane, Kouji Joko, Hitoshi Yagisawa, Jirou Takezawa, Ryou Nakata, Atsunori Kusakabe, Yuji Kojima, Hiroyuki Kimura, Takashi Tamada, Haruhiko Kobashi, Akeri Mitsuda, Masahiko Kondou, Chikara Ogawa, Yasushi Uchida, Tetsuro Sohda, Ryouichi Narita, Namiki Izumi
BACKGROUND: We aimed to describe the real-world efficacy and safety of combination therapy with ledipasvir and sofosbuvir (LDV/SOF) for chronic hepatitis C virus (HCV) genotype 1 (GT1) infection. METHODS: This retrospective analysis of a prospective, nationwide, multicenter registry included GT1-infected patients treated with LDV/SOF for 12 weeks. We assessed the rate of sustained virological response at 12 weeks post-treatment (SVR12), incidence of adverse events, and serum markers of hepatocellular carcinoma (HCC)...
April 6, 2018: Journal of Gastroenterology
https://www.readbyqxmd.com/read/29622007/synergistic-effect-of-phytochemicals-on-cholesterol-metabolism-and-lipid-accumulation-in-hepg2-cells
#20
Ennian Leng, Yuan Xiao, Zhentao Mo, Yiqi Li, Yueyue Zhang, Xiaosi Deng, Min Zhou, Chaochao Zhou, Zengxuan He, Jingyi He, Lu Xiao, Junming Li, Wenna Li
BACKGROUND: Crocin (CRO), chlorogenic acid (CGA), geniposide (GEN), and quercetin (QUE) are all natural compounds with anti-obesity properties, in particular, hypolipidemic effects, which have been widely used for the treatment of obesity-related metabolic diseases. However, it is not yet known whether these compounds interact synergistically. Here, we investigated the effects and molecular mechanisms of CRO, CGA, GEN, QUE, and a combination of all four compounds (CCGQ), on lipid accumulation in human hepatoma (HepG2 cells)...
April 5, 2018: BMC Complementary and Alternative Medicine
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