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https://www.readbyqxmd.com/read/28813430/reprogramming-human-gallbladder-cells-into-insulin-producing-%C3%AE-like-cells
#1
Feorillo Galivo, Eric Benedetti, Yuhan Wang, Carl Pelz, Jonathan Schug, Klaus H Kaestner, Markus Grompe
The gallbladder and cystic duct (GBCs) are parts of the extrahepatic biliary tree and share a common developmental origin with the ventral pancreas. Here, we report on the very first genetic reprogramming of patient-derived human GBCs to β-like cells for potential autologous cell replacement therapy for type 1 diabetes. We developed a robust method for large-scale expansion of human GBCs ex vivo. GBCs were reprogrammed into insulin-producing pancreatic β-like cells by a combined adenoviral-mediated expression of hallmark pancreatic endocrine transcription factors PDX1, MAFA, NEUROG3, and PAX6 and differentiation culture in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28807658/self-reported-participation-in-voluntary-nonprescription-syringe-sales-in-california-s-central-valley
#2
Robin A Pollini
OBJECTIVES: California Senate Bill 41 (SB41), effective January 2012, is a human immunodeficiency virus/hepatitis C virus prevention measure designed to expand syringe access among injection drug users (IDUs) by allowing pharmacies to sell syringes without a prescription. This study assesses self-reported implementation of SB41 and characterizes barriers amenable to intervention. DESIGN: Interviewer-administered survey. SETTING AND PARTICIPANTS: Fresno and Kern Counties, CA...
August 11, 2017: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/28807057/inhibitory-effects-of-hnf4%C3%AE-on-migration-maltransformation-of-hepatic-progenitors-hnf4%C3%AE-overexpressing-hepatic-progenitors-for-liver-repopulation
#3
Ping Wang, Min Cong, Tianhui Liu, Hufeng Xu, Lin Wang, Guangyong Sun, Aiting Yang, Dong Zhang, Jian Huang, Yameng Sun, Wenshan Zhao, Hong Ma, Jidong Jia, Hong You
BACKGROUND: Although they are expandable in vitro, hepatic progenitors are immature cells and share many immunomarkers with hepatocellular carcinoma, raising potential concerns regarding maltransformation after transplantation. This study investigated the effects of hepatic nuclear factor (HNF) 4α on the proliferation, migration, and maltransformation of hepatic progenitors and determined the feasibility of using these manipulated cells for transplantation. METHODS: The effects of HNF4α on rat hepatic progenitors (i...
August 14, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28800593/in-vivo-functional-and-morphological-characterization-of-bone-and-striated-muscle-microcirculation-in-nsg-mice
#4
Haider Mussawy, Lennart Viezens, Gerrit Hauenherm, Malte Schroeder, Christian Schaefer
Organ-specific microcirculation plays a central role in tumor growth, tumor cell homing, tissue engineering, and wound healing. Mouse models are widely used to study these processes; however, these mouse strains often possess unique microhemodynamic parameters, making it difficult to directly compare experiments. The full functional characterization of bone and striated muscle microcirculatory parameters in non-obese diabetic-severe combined immunodeficiency/y-chain; NOD-Prkds IL2rg (NSG) mice has not yet been reported...
2017: PloS One
https://www.readbyqxmd.com/read/28793879/septic-arthritis-significantly-increased-the-long-term-mortality-in-geriatric-patients
#5
Chia-Jung Wu, Chien-Cheng Huang, Shih-Feng Weng, Ping-Jen Chen, Chien-Chin Hsu, Jhi-Joung Wang, How-Ran Guo, Hung-Jung Lin
BACKGROUND: The elderly are predisposed to septic arthritis (SA) because of the aging nature and increasing comorbidities. SA may in turn increase the long-term mortality in the geriatric patients; however, it remains unclear. We conducted this prospective nationwide population-based cohort study to clarify this issue. METHODS: Using Taiwan National Health Insurance Research Database (NHIRD), we identified 1667 geriatric participants (≥ 65 years) with SA and 16,670 geriatric participants without SA matched at a ratio of 1:10 by age, sex, and index date between 1999 and 2010...
August 9, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28776165/prolongation-of-the-qtc-interval-in-hiv-infected-individuals-compared-to-the-general-population
#6
Nico Reinsch, Marina Arendt, Marie Henrike Geisel, Christina Schulze, Volker Holzendorf, Anna Warnke, Till Neumann, Norbert H Brockmeyer, Dirk Schadendorf, Lewin Eisele, Raimund Erbel, Susanne Moebus, Karl-Heinz Jöckel, Stefan Esser
OBJECTIVES: Prolonged QT interval is associated with arrhythmias and sudden death. An increased prevalence of QT interval prolongation in human immunodeficiency virus-infected (HIV) subjects was previously described. The impact of different medications and HIV infection itself on the QT interval is rarely investigated in large HIV+ cohorts. METHODS: We compared QT interval measurement in 496 HIV(+) patients of the HIV-HEART study (HIVH) and 992 sex- and age-matched controls of the population-based German Heinz Nixdorf Recall study (HNR)...
August 3, 2017: Infection
https://www.readbyqxmd.com/read/28769006/mechanistic-study-of-inhibitory-effects-of-metformin-and-atorvastatin-in-combination-on-prostate-cancer-cells-in-vitro-and-in-vivo
#7
Zhen-Shi Wang, Hua-Rong Huang, Lan-Yue Zhang, Seungkee Kim, Yan He, Dong-Li Li, Chelsea Farischon, Kun Zhang, Xi Zheng, Zhi-Yun Du, Susan Goodin
Metformin is a commonly used drug for the treatment of type II diabetes and atorvastatin is the most prescribed cholesterol-lowering statin. The present study investigated the effects and mechanisms of metformin and atorvastatin in combination on human prostate cancer cells cultured in vitro and grown as xenograft tumor in vivo. Metformin in combination with atorvastatin had stronger effects on growth inhibition and apoptosis in PC-3 cells than either drug alone. The combination also potently inhibited cell migration and the formation of tumorspheres...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28765470/the-role-of-oral-health-care-professionals-in-providing-medical-services
#8
Michael Glick, Barbara L Greenberg
Integration of oral health care professionals (OHCPs) into medical care could advance efforts to control increasingly prevalent conditions such as cardiovascular disease, diabetes mellitus, human immunodeficiency virus infection, and hepatitis C infection, each of which is associated with significant morbidity and health care costs. Prevention and early intervention are effective for reducing the incidence and severity of these diseases, while increasing cost of health care may drive the need for nontraditional models of health education and delivery...
August 2017: Journal of Dental Education
https://www.readbyqxmd.com/read/28762691/hiv-associated-complications-a-systems-based-approach
#9
REVIEW
Carolyn Chu, Lealah C Pollock, Peter A Selwyn
Persons with human immunodeficiency virus (HIV) infection often develop complications related directly to the infection, as well as to treatment. Aging, lifestyle factors, and comorbidities increase the risk of developing chronic conditions such as diabetes mellitus and chronic kidney disease. HIV-associated neurologic complications encompass a wide spectrum of pathophysiology and symptomatology. Cardiovascular and pulmonary conditions are common among persons with HIV infection. Although some specific antiretroviral medications have been linked to disease development, traditional risk factors (e...
August 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28761228/kidney-disease-in-human-immunodeficiency-virus-seropositive-patients-absence-of-human-immunodeficiency-virus-associated-nephropathy-was-a-characteristic-feature
#10
J Prakash, V Ganiger, S Prakash, M Sivasankar, S Sunder, U Singh
Human immunodeficiency virus (HIV) infection can cause a broad spectrum of renal diseases. However, there is paucity of Indian data on the patterns of renal lesions in HIV-seropositive patients. The aim of the present study was to delineate the spectrum of renal lesions in HIV/acquired immunodeficiency syndrome patients. In this prospective study, all HIV-positive patients of both genders aged >18 years were screened for renal disease. Patients with proteinuria of more than 1 g/24 h were subjected to renal biopsy...
July 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28755448/short-term-in%C3%A2-vivo-precision-of-whole-body-composition-measurements-on-the-horizon-a-densitometer
#11
Michael Nowitz, Paula Monahan
INTRODUCTION: Dual-energy X-ray absorptiometry (DXA) is increasingly being used to assess abnormalities in body composition associated with a wide variety of conditions including obesity, sarcopenia, diabetes, anorexia, human immunodeficiency virus lipodystrophy, malabsorption and neuromuscular disorders. The objective of this study was to determine the short-term in vivo precision and least significant change in serial body composition measurements provided by the Hologic Horizon A densitometer as there is no published, peer reviewed body composition precision data on Horizon scanners in the medical literature...
July 29, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28748878/assessment-of-hepatic-fibrosis-by-fibroscan-in-egyptian-chronic-hemodialysis-patients-with-chronic-hepatitis-c-genotype-4-a-single-center-study
#12
Bahaa El-Din Moustafa Zayed, Aisha Elsharkawy, Mahmoud Abdou, Dina Sabry Abd Al Fatah, Tarek Hussein El-Shabony
Assessing hepatic fibrosis in hemodialysis patients with chronic hepatitis C (CHC) can help to evaluate the long-term prognosis, complications of hepatitis C virus (HCV) as well as eligibility for renal transplantation,. Our aim was to assess liver fibrosis in Egyptian hemodialysis (HD) patients infected with CHC genotype 4 using a fibroscan. This cross-sectional observational study was conducted over two years on a cohort of 134 Egyptian patients on prevalent HD at Kasr Al Ainy Hospital. All patients were subjected to routine laboratory evaluation including, hepatitis B surface antigen, hepatitis B core antibody, hepatitis Be antigen, hepatitis C antibody (HCVAb) and human immunodeficiency virus antibody, quantitative polymerase chain reaction (PCR) for both HCV and hepatitis B virus (HBV), serum hyaluronic acid level, and alpha-fetoprotein (AFP)...
July 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28747257/cells-with-treg-specific-foxp3-demethylation-but-low-cd25-are-prevalent-in-autoimmunity
#13
Ricardo C Ferreira, Henry Z Simons, Whitney S Thompson, Daniel B Rainbow, Xin Yang, Antony J Cutler, Joao Oliveira, Xaquin Castro Dopico, Deborah J Smyth, Natalia Savinykh, Meghavi Mashar, Tim J Vyse, David B Dunger, Helen Baxendale, Anita Chandra, Chris Wallace, John A Todd, Linda S Wicker, Marcin L Pekalski
Identification of alterations in the cellular composition of the human immune system is key to understanding the autoimmune process. Recently, a subset of FOXP3(+) cells with low CD25 expression was found to be increased in peripheral blood from systemic lupus erythematosus (SLE) patients, although its functional significance remains controversial. Here we find in comparisons with healthy donors that the frequency of FOXP3(+) cells within CD127(low)CD25(low) CD4(+) T cells (here defined as CD25(low)FOXP3(+) T cells) is increased in patients affected by autoimmune disease of varying severity, from combined immunodeficiency with active autoimmunity, SLE to type 1 diabetes...
July 23, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28735354/transplantation-sites-for-human-and-murine-islets
#14
Rebecca A Stokes, Kim Cheng, Amit Lalwani, Michael M Swarbrick, Helen E Thomas, Thomas Loudovaris, Tom W Kay, Wayne J Hawthorne, Philip J O'Connell, Jenny E Gunton
AIMS/HYPOTHESIS: Beta cell replacement is a potential cure for type 1 diabetes. In humans, islet transplants are currently infused into the liver via the portal vein, although this site has disadvantages. Here, we investigated alternative transplantation sites for human and murine islets in recipient mice, comparing the portal vein with quadriceps muscle and kidney, liver and spleen capsules. METHODS: Murine islets were isolated from C57BL6/J mice and transplanted into syngeneic recipients...
July 22, 2017: Diabetologia
https://www.readbyqxmd.com/read/28725640/risk-factors-for-impaired-fasting-glucose-or-diabetes-among-hiv-infected-patients-on-art-in-the-copperbelt-province-of-zambia
#15
Perfect Shankalala, Choolwe Jacobs, Samuel Bosomprah, Michael Vinikoor, Patrick Katayamoyo, Charles Michelo
BACKGROUND: Africa has a high prevalence of both Human Immunodeficiency Virus and Non Communicable Diseases (NCDs) but in Zambia there are few data on co-morbid NCDs like Diabetes Mellitus (DM) among HIV-infected individuals. We aimed to identify risk factors for impaired fasting glucose or diabetes among HIV-infected Zambians on long-term Combined Antiretroviral Treatment (cART). METHODS: This was a cross sectional study of adult HIV patients in five health facilities of Copperbelt Province in Zambia...
2017: Journal of Diabetes and Metabolic Disorders
https://www.readbyqxmd.com/read/28713640/human-adipose-derived-mesenchymal-stem-cells-respond-to-short-term-hypoxia-by-secreting-factors-beneficial-for-human-islets-in-vitro-and-potentiate-antidiabetic-effect-in-vivo
#16
Simen W Schive, Mohammad Reza Mirlashari, Grete Hasvold, Mengyu Wang, Dag Josefsen, Hans Petter Gullestad, Olle Korsgren, Aksel Foss, Gunnar Kvalheim, Hanne Scholz
Adipose-derived mesenchymal stem cells (ASCs) release factors beneficial for islets in vitro and protect against hyperglycemia in rodent models of diabetes. Oxygen tension has been shown to induce metabolic changes and alter ASCs' release of soluble factors. The effects of hypoxia on the antidiabetic properties of ASCs have not been explored. To investigate this, we incubated human ASCs for 48 h in 21% (normoxia) or 1% O2 (hypoxia) and compared viability, cell growth, surface markers, differentiation capability, and soluble factors in the conditioned media (CM)...
2017: Cell Medicine
https://www.readbyqxmd.com/read/28710530/proteomic-characterisation-reveals-active-wnt-signalling-by-human-multipotent-stromal-cells-as-a-key-regulator-of-beta-cell-survival-and-proliferation
#17
Miljan Kuljanin, Gillian I Bell, Stephen E Sherman, Gilles A Lajoie, David A Hess
AIMS/HYPOTHESIS: Novel strategies to stimulate the expansion of beta cell mass in situ are warranted for diabetes therapy. The aim of this study was to elucidate the secretome of human bone marrow (BM)-derived multipotent stromal cells (MSCs) with documented islet regenerative paracrine function. We hypothesised that regenerative MSCs will secrete a unique combination of protein factors that augment islet regeneration. METHODS: Human BM-derived MSCs were examined for glucose-lowering capacity after transplantation into streptozotocin-treated NOD/severe combined immunodeficiency (SCID) mice and segregated into samples with regenerative (MSC(R)) vs nonregenerative (MSC(NR)) capacity...
July 14, 2017: Diabetologia
https://www.readbyqxmd.com/read/28709077/phytonanotherapy-for-management-of-diabetes-using-green-synthesis-nanoparticles
#18
K Anand, C Tiloke, Pragalathan Naidoo, A A Chuturgoon
The world has a rich diversity of indigenous medicinal plants. The World Health Organization (WHO) gives high priority to eco-friendly, non-hazardous and cost effective healthcare such as the use of medicinal plants to treat various illnesses, including Human immunodeficiency virus (HIV) infection and Acquired immune deficiency syndrome (AIDS), tuberculosis (TB), diabetes mellitus (DM), malaria, and cancer. In developing countries, a high proportion of the population tends to use complementary and alternative medicines (CAM) together with conventional prescription drugs...
August 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28708971/short-term-alcohol-abstinence-improves-antibacterial-defenses-of-chronic-alcohol-consuming-mice-against-gut-bacteria-associated-sepsis-caused-by-enterococcus-faecalis-oral-infection
#19
Makiko Kobayashi, Akira Asai, Ichiaki Ito, Sumihiro Suzuki, Kazuhide Higuchi, Fujio Suzuki
The effects of short-term alcohol abstinence on host antibacterial resistance against Enterococcus faecalis oral infection was investigated in chronic alcohol-consuming mice [mice with 0.1 g/day of 20% ethanol consumption for 12 or 16 weeks (CAC-mice)]. These mice were highly susceptible to the infection; however, after 7 days of alcohol abstinence (aaCAC-mice), their antibacterial resistances were completely restored to the normal mouse level. Normal mice inoculated with CAC-mouse hepatic macrophages were shown to be susceptible to the infection, whereas the same macrophage preparation from aaCAC-mice did not impair the antibacterial resistance of normal mice...
July 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28707319/tenofovir-disoproxil-fumarate-significantly-decreases-serum-lipoprotein-levels-compared-with-entecavir-nucleos-t-ide-analogue-therapy-in-chronic-hepatitis-b-carriers
#20
A A Shaheen, M AlMattooq, S Yazdanfar, K W Burak, M G Swain, S E Congly, M A Borman, S S Lee, R P Myers, C S Coffin
BACKGROUND: Tenofovir disoproxil fumarate (TDF) and entecavir (ETV) are first-line treatments for chronic hepatitis B (CHB). Studies suggest lipid lowering effect of TDF in human immunodeficiency virus positive (HIV+) individuals, but the effect on lipids and cardiovascular disease (CVD) risk in CHB is unknown. AIM: To compare TDF vs ETV effects on lipid levels in CHB. METHODS: In this retrospective cohort study, data on serum lipids and CVD risk factors at baseline and ~1 year on TDF or ETV were collected from CHB carriers...
September 2017: Alimentary Pharmacology & Therapeutics
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