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https://www.readbyqxmd.com/read/27933671/causal-inference-in-obesity-research
#1
REVIEW
P W Franks, N Atabaki-Pasdar
Obesity is a risk factor for a plethora of severe morbidities and premature death. Most supporting evidence comes from observational studies that are prone to chance, bias and confounding. Even data on the protective effects of weight loss from randomized controlled trials will be susceptible to confounding and bias if treatment assignment cannot be masked, which is usually the case with lifestyle and surgical interventions. Thus, whilst obesity is widely considered the major modifiable risk factor for many chronic diseases, its causes and consequences are often difficult to determine...
December 8, 2016: Journal of Internal Medicine
https://www.readbyqxmd.com/read/27930695/coordinated-activation-of-vegf-vegfr-2-and-ppar%C3%AE-pathways-by-a-multi-component-chinese-medicine-dhi-accelerated-recovery-from-peripheral-arterial-disease-in-type-2-diabetic-mice
#2
Shuang He, Tiechan Zhao, Hao Guo, Yanzhi Meng, Gangjian Qin, David A Goukassian, Jihong Han, Xuimei Gao, Yan Zhu
Diabetic mellitus (DM) patients are at an increased risk of developing peripheral arterial disease (PAD). Danhong injection (DHI) is a Chinese patent medicine widely used for several cardiovascular indications but the mechanism of action is not well-understood. We investigated the therapeutic potential of DHI on experimental PAD in mice with chemically induced as well as genetic (KKAy) type 2 DM and the overlapping signaling pathways regulating both therapeutic angiogenesis and glucose homeostasis. Compared with normal genetic background wild type (WT) mice, both DM mice showed impaired perfusion recovery in hind-limb ischemia (HLI) model...
2016: PloS One
https://www.readbyqxmd.com/read/27928440/a-rare-case-of-metastasized-non-functional-pancreatic-neuroendocrine-tumor-with-a-good-long-term-survival
#3
Mirică A, Bădărău Ia, Mirică R, Păun S, Păun Dl
Background: Non-functional neuroendocrine tumors of the pancreas (NF-pNETs) are a varied group of extremely rare malignancies. The majority of patients already have liver metastases at the diagnosis moment, thus, treatment options are restricted, and the survival rate is reserved. Case report: We presented the case of 59-year-old patient, diagnosed with non-functional well-differentiated pancreatic neuroendocrine tumor grade II (NET G2) with the presence of chromogranin A, synaptophysin and somatostatin receptor 2, together with liver and bone metastases...
October 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27926682/clinical-outcomes-of-nonunions-of-hindfoot-and-ankle-fusions
#4
Fabian Krause, Alastair S E Younger, Judith F Baumhauer, Timothy R Daniels, Mark Glazebrook, Peter T Evangelista, Michael S Pinzur, Gowreeson Thevendran, Rafe M J Donahue, Christopher W DiGiovanni
BACKGROUND: While nonunion after foot and ankle fusion surgery has been associated with poor outcomes, we are not aware of any longitudinal study on this subject. Thus, we prospectively evaluated the impact of nonunion on clinical outcomes of foot and ankle fusions and identified potential risk factors for nonunion after these procedures. METHODS: Using data from a randomized clinical trial on recombinant human platelet-derived growth factor-BB (rhPDGF-BB; Augment Bone Graft, BioMimetic Therapeutics), union was defined either by assessment of computed tomography (CT) scans at 24 weeks by a reviewer blinded to the type of treatment or by the surgeon's composite assessment of clinical and radiographic findings at 52 weeks and CT findings at 24 or 36 weeks...
December 7, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27923216/efficacy-of-a-cellular-bone-allograft-for-foot-and-ankle-arthrodesis-and-revision-nonunion-procedures
#5
Travis J Dekker, Peter White, Samuel B Adams
BACKGROUND: Bone graft substitutes are often required in patients at risk for nonunion, and therefore, an allograft that most closely mimics an autograft is highly sought after. This study explored the utility and efficacy of a cellular bone allograft used for foot and ankle arthrodesis and revision nonunion procedures in a patient population at risk for nonunion. METHODS: An institutional review board-approved retrospective review of consecutive patients who underwent arthrodesis and revision nonunion procedures with a cellular bone allograft was performed at a single academic institution...
October 23, 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27918077/type-2-diabetes-inhibited-human-mesenchymal-stem-cells-angiogenic-response-by-over-activity-of-the-autophagic-pathway
#6
Aysa Rezabakhsh, Omid Cheraghi, Alireza Nourazarian, Mehdi Hassanpour, Masoumeh Kazemi, Shahrooz Ghaderi, Esmaeil Faraji, Reza Rahbarghazi, Çığır Biray Avci, Bakiye Goker Bagca, Alireza Garjani
The current study aimed to address the impact of serum from type 2 diabetes patients on the angiogenic properties of human bone marrow mesenchymal stem cells and its relationship to autophagy signaling. Human primary stem cells were enriched and incubated with serum from diabetic and normal subjects for 7 days. Compared to data from the control group, diabetic serum was found to induce a higher cellular death rate (p < 0.001) and apoptotic changes (p < 0.01). We also showed that diabetic condition significantly abolished angiogenesis tube formation on Matrigel substrate, decreased cell chemotaxis (p < 0...
December 5, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27916484/associations-between-fgf21-osteonectin-and-bone-turnover-markers-in-type-2-diabetic-patients-with-albuminuria
#7
Lingling Xu, Meng Niu, Weihong Yu, Weibo Xia, Fengying Gong, Ou Wang
AIM: We measured the levels of bone turnover markers (BTMs) in patients with early diabetic nephropathy from type 2 diabetes mellitus (T2DM), and investigated the associations of BTMs with adipokines, serum fibroblast growth factor-21 (FGF21) and osteonectin. METHODS: We included 159 males and 300 females with T2DM in this cross-sectional study. Clinical characteristics, BTMs and adipokines levels were measured. RESULTS: One-hundred and ninety-two (41...
November 17, 2016: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/27915981/molecular-cellular-and-pharmaceutical-aspects-of-autologous-grafts-for-peri-implant-hard-and-soft-tissue-defects
#8
Jiayu Lu, Yongming Hao, Wei Zhao, Chengqi Lv, Derong Zou
The lack of supporting hard and soft tissues always prevents the rehabilitation with dental implants. Among various hard and soft tissue augmentation procedures, autologous grafts have been considered to be the gold standard. Autologous mesenchymal stem cells (MSCs) from bone marrow, dental tissue and adipose tissue have been described as promising alternatives for bone regeneration in the field of dental implantation. Mucosal cells, gingival fibroblasts and dental progenitor cells (DPS) can enhance peri-implant soft tissue augmentation and regenerate periodontal tissues around dental implants...
December 1, 2016: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/27913134/corrigendum-to-sglt2-inhibitor-therapy-improves-blood-glucose-but-does-not-prevent-diabetic-bone-disease-in-diabetic-dba-2j-male-mice-bone-82-2016-101-107
#9
Kathryn M Thrailkill, R C Bunn, Jeffry S Nyman, Mallikarjuna R Rettiganti, Gael E Cockrell, Elizabeth C Wahl, Sasidhar Uppuganti, Charles K Lumpkin, John L Fowlkes
No abstract text is available yet for this article.
November 29, 2016: Bone
https://www.readbyqxmd.com/read/27908411/boron-supplementation-improves-bone-health-of-non-obese-diabetic-mice
#10
Renata Dessordi, Adriano Levi Spirlandeli, Ariane Zamarioli, José Batista Volpon, Anderson Marliere Navarro
Diabetes Mellitus is a condition that predisposes a higher risk for the development of osteoporosis. The objective of this study was to investigate the influence of boron supplementation on bone microstructure and strength in control and non-obese diabetic mice for 30days. The animals were supplemented with 40μg/0,5ml of boron solution and controls received 0,5ml of distilled water daily. We evaluated the biochemical parameters: total calcium, phosphorus, magnesium and boron; bone analysis: bone computed microtomography, and biomechanical assay with a three point test on the femur...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27906690/the-long-road-to-leptin
#11
Jeffrey Friedman
Leptin is an adipose tissue hormone that functions as an afferent signal in a negative feedback loop that maintains homeostatic control of adipose tissue mass. This endocrine system thus serves a critical evolutionary function by protecting individuals from the risks associated with being too thin (starvation) or too obese (predation and temperature dysregulation). Mutations in leptin or its receptor cause massive obesity in mice and humans, and leptin can effectively treat obesity in leptin-deficient patients...
December 1, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27905900/prevalence-clinical-and-economic-burden-of-mucormycosis-related-hospitalizations-in-the-united-states-a-retrospective-study
#12
Dimitrios P Kontoyiannis, Hongbo Yang, Jinlin Song, Sneha S Kelkar, Xi Yang, Nkechi Azie, Rachel Harrington, Alan Fan, Edward Lee, James R Spalding
BACKGROUND: Mucormycosis is a rare but devastating fungal infection primarily affecting immunocompromised patients such as those with hematological malignancy, bone marrow and solid organ transplantation, and patients with diabetes, and, even more rarely, immunocompetent patients. The objective of this study was to assess the prevalence and burden, both clinical and economic, of mucormycosis among hospitalized patients in the U.S. METHODS: This is a retrospective study using the Premier Perspective(TM) Comparative Database, with more than 560 participating hospitals covering 104 million patients (January 2005-June 2014)...
December 1, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27905403/infusion-with-human-bone-marrow-derived-mesenchymal-stem-cells-improves-%C3%AE-cell-function-in-patients-and-non-obese-mice-with-severe-diabetes
#13
Lirong Li, Hui Hui, Xiaolei Jia, Jie Zhang, Ying Liu, Qianyue Xu, Dalong Zhu
Mesenchymal stem cells (MSCs) transplantation is a promising therapeutic strategy for type 1 diabetes (T1D). However, little is known on whether MSC transplantation can benefit T1D patients with ketoacidosis and its potential actions. Here, we show that infusion with bone marrow MSCs preserves β-cell function in some T1D patients with ketoacidosis by decreasing exogenous insulin requirement and increasing plasma C-peptide levels up to 1-2 years. MSC transplantation increased plasma and islet insulin contents in non-obese diabetic (NOD) mice with severe diabetes...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27904503/stem-cell-ophthalmology-treatment-study-scots-bone-marrow-derived-stem-cells-in-the-treatment-of-leber-s-hereditary-optic-neuropathy
#14
Jeffrey N Weiss, Steven Levy, Susan C Benes
The Stem Cell Ophthalmology Treatment Study (SCOTS) is currently the largest-scale stem cell ophthalmology trial registered at ClinicalTrials.gov (identifier: NCT01920867). SCOTS utilizes autologous bone marrow-derived stem cells (BMSCs) to treat optic nerve and retinal diseases. Treatment approaches include a combination of retrobulbar, subtenon, intravitreal, intra-optic nerve, subretinal, and intravenous injection of autologous BMSCs according to the nature of the disease, the degree of visual loss, and any risk factors related to the treatments...
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27903996/survival-of-patients-on-hemodialysis-and-predictors-of-mortality-a-single-centre-analysis-of-time-dependent-factors
#15
Shahrzad Ossareh, Farhat Farrokhi, Marjan Zebarjadi
INTRODUCTION: This study aimed to evaluate the outcome and predictors of survival in hemodialysis patients of Hasheminejad Kidney Center where a comprehensive dialysis care program has been placed since 2004. MATERIALS AND METHODS: Data of 560 hemodialysis patients were used to evaluate 9-year survival rates and predictors of mortality. Cox regression models included comorbidities as well as averaged and 6-month-averaged time-dependent values of laboratory findings as independent factors...
November 2016: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/27902175/spontaneous-and-bilateral-avascular-necrosis-of-the-navicula-m%C3%A3-ller-weiss-disease
#16
Erdem Aktaş, Tacettin Ayanoğlu, Yasin Hatipoğlu, Ulunay Kanatlı
Although, trauma, foot deformity (pesplanovalgus), systemic diseases such as diabetes mellitus and lupus, drugs (steroids, antineoplastic) and excessive alcohol consumption have all been accused in the etiology of avascular necrosis of the tarsal bones, spontaneous avascular necrosis of the navicular bone, especially in adults, is a rare entity. In this article, we report a 50-year-old female patient with bilateral, spontaneous avascular necrosis of the navicular bone and related severe talonavicular arthrosis...
December 2016: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/27898266/methicillin-resistant-staphylococcus-aureus-in-foot-osteomyelitis
#17
Chester N Ashong, Shazia A Raheem, Andrew S Hunter, Cezarina Mindru, Neal R Barshes
BACKGROUND: Conflicting studies exist regarding the impact of methicillin-resistant Staphylococcus aureus (MRSA) on increased time to wound healing, future need for surgical procedures, and likelihood of treatment failure in patients with diabetic foot osteomyelitis. The purpose of this study is to determine the overall significance of MRSA in predicting treatment failure in bone infections of the foot and to determine an appropriate pre-operative and empiric post-operative antibiotic regimen...
November 29, 2016: Surgical Infections
https://www.readbyqxmd.com/read/27897090/the-effect-of-commercial-conjugated-linoleic-acid-products-on-experimental-periodontitis-and-diabetes-mellitus-in-wistar-rats
#18
Hatice Balci Yuce, Nihat Akbulut, Seda Ocakli, Omer Kayir, Mahfuz Elmastas
OBJECTIVE: The aim of present study was to determine the effects of conjugated linoleic acid enriched milk on alveolar bone loss, hyperglycaemia, oxidative stress and apoptosis in ligature-induced periodontal disease in diabetic rat model. METHODS: Wistar rats were divided into six experimental groups: 1; non-ligated (NL, n = 6) group, 2; ligature only (LO, n = 6) group, 3; streptozotocin only (STZ, n = 8) group, 4; STZ and ligature (STZ + L, n = 8) group, 5; ligature and conjugated linoleic acid (CLA) (L + CLA, n = 8) group, 6; STZ, ligature and CLA group (STZ + L + CLA, n = 8) group...
November 29, 2016: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/27897026/-acute-myocardial-infarction-complicated-pregnancy-of-patient-after-kindey-transplantation-and-knee-osteosarcoma
#19
K Lehnertová, K Huml, R Pilka
OBJECTIVE: Case report describes a patient with acute ST elevation myocardial infarction with Q wave in 26 weeks gestation. DESIGN: Case report. SETTING: Department of Obstetrics and Gynecology, University Hospital, Palacky University, Olomouc. CASE REPORT: Medical history is complicated with a cadaveric transplantation of kindey, osteosarcoma of the left knee with a joint extraction and chemotherapy, serious hypothyreosis after spontaneous discontinuation of medication and missing fetal nasal bone at the ultrasound examination...
2016: Ceská Gynekologie
https://www.readbyqxmd.com/read/27895345/a-review-of-the-failed-cases-of-dental-implants-at-a-university-hospital-in-karachi-pakistan
#20
Farhan Raza Khan, Rabia Ali, Sana Ehsan Nagi
The retrospective study was conducted to assess the dental implants that experienced failure. It was conducted at the dental clinic of the Aga Khan University Hospital, Karachi, and comprised record of dental implants from July 2010 to June 2015. Variables such as patient age, gender and systemic status, length and diameter of implants, bone grafting, type of definitive prosthesis (crown or bridge or overdenture), nature of retention (cement versus screw retained), loading strategy (immediate versus delayed loading), etc...
October 2016: JPMA. the Journal of the Pakistan Medical Association
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