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Annals of the New York Academy of Sciences

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https://www.readbyqxmd.com/read/28905423/who-standards-for-biotherapeutics-including-biosimilars-an-example-of-the-evaluation-of-complex-biological-products
#1
REVIEW
Ivana Knezevic, Elwyn Griffiths
The most advanced regulatory processes for complex biological products have been put in place in many countries to provide appropriate regulatory oversight of biotherapeutic products in general, and similar biotherapeutics in particular. This process is still ongoing and requires regular updates to national regulatory requirements in line with scientific developments and up-to-date standards. For this purpose, strong knowledge of and expertise in evaluating biotherapeutics in general and similar biotherapeutic products, also called biosimilars, in particular is essential...
September 14, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28905406/thiamine-content-of-f-75-therapeutic-milk-for-complicated-severe-acute-malnutrition-time-for-a-change
#2
Laurent Hiffler, Bola Adamolekun, Philip R Fischer, Aviva Fattal-Vavleski
Since community-based management of severe acute malnutrition has become the standard of care, the clinical profile of severe acutely malnourished patients admitted to hospitals or inpatient therapeutic feeding centers has changed significantly. These patients are usually very ill and often present with several comorbidities, such as shock, sepsis, and pneumonia. Complicated severe acute malnutrition patients are at risk of thiamine insufficiency, and critically ill patients have higher thiamine requirements...
September 14, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28891202/mechanical-signals-protect-stem-cell-lineage-selection-preserving-the-bone-and-muscle-phenotypes-in-obesity
#3
REVIEW
Danielle M Frechette, Divya Krishnamoorthy, Tee Pamon, M Ete Chan, Vihitaben Patel, Clinton T Rubin
The incidence of obesity is rapidly rising, increasing morbidity and mortality rates worldwide. Associated comorbidities include type 2 diabetes, heart disease, fatty liver disease, and cancer. The impact of excess fat on musculoskeletal health is still unclear, although it is associated with increased fracture risk and a decline in muscular function. The complexity of obesity makes understanding the etiology of bone and muscle abnormalities difficult. Exercise is an effective and commonly prescribed nonpharmacological treatment option, but it can be difficult or unsafe for the frail, elderly, and morbidly obese...
September 11, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28884820/endoluminal-weight-loss-and-metabolic-therapies-current-and-future-techniques
#4
REVIEW
Christine Hill, Mouen A Khashab, Anthony N Kalloo, Vivek Kumbhari
Obesity is a public health epidemic associated with a number of comorbidities, most notably type 2 diabetes and hypertension, as well as elevated all-cause mortality. The treatment for obesity and its associated comorbidities has most recently expanded into the field of bariatric endoscopy. This field bridges a gap between lifestyle counseling with or without pharmaceutical treatment and the most effective treatment of obesity, bariatric surgery. Because of its minimally invasive nature, bariatric endoscopic therapy has the potential to appeal to the large sector of the obese population that resists surgery, as well as those early in the onset of obesity...
September 8, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28869648/site-specific-distribution-of-claudin-based-paracellular-channels-with-roles-in-biological-fluid-flow-and-metabolism
#5
REVIEW
Hiroo Tanaka, Atsushi Tamura, Koya Suzuki, Sachiko Tsukita
The claudins are a family of membrane proteins with at least 27 members in humans and mice. The extracellular regions of claudin proteins play essential roles in cell-cell adhesion and the paracellular barrier functions of tight junctions (TJs) in epithelial cell sheets. Furthermore, the extracellular regions of some claudins function as paracellular channels in the paracellular barrier that allow the selective passage of water, ions, and/or small organic solutes across the TJ in the extracellular space. Structural analyses have revealed a common framework of transmembrane, cytoplasmic, and extracellular regions among the claudin-based paracellular barriers and paracellular channels; however, differences in the claudins' extracellular regions, such as their charges and conformations, determine their properties...
September 4, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28868790/insulin-regulation-of-gluconeogenesis
#6
REVIEW
Maximilian Hatting, Clint D J Tavares, Kfir Sharabi, Amy K Rines, Pere Puigserver
The coordinated regulation between cellular glucose uptake and endogenous glucose production is indispensable for the maintenance of constant blood glucose concentrations. The liver contributes significantly to this process by altering the levels of hepatic glucose release, through controlling the processes of de novo glucose production (gluconeogenesis) and glycogen breakdown (glycogenolysis). Various nutritional and hormonal stimuli signal to alter hepatic gluconeogenic flux, and suppression of this metabolic pathway during the postprandial state can, to a significant extent, be attributed to insulin...
September 3, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28868615/mechanisms-of-weight-loss-and-improved-metabolism-following-bariatric-surgery
#7
REVIEW
Christopher M Mulla, Roeland J W Middelbeek, Mary-Elizabeth Patti
Bariatric surgery is increasingly recognized as one of the most effective interventions to help patients achieve significant and sustained weight loss, as well as improved metabolic and overall health. Unfortunately, the cellular and physiological mechanisms by which bariatric surgery achieves weight loss have not been fully elucidated, yet are critical to understanding the central role of the intestinal tract in whole-body metabolism and to developing novel strategies for the treatment of obesity. In this review, we provide an overview of potential mechanisms contributing to weight loss, including effects on regulation of energy balance and both central and peripheral nervous system regulation of appetite and metabolism...
September 3, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28868614/resveratrol-in-the-foodomics-era-1-25-000
#8
REVIEW
Bekzod Khakimov, Søren Balling Engelsen
Resveratrol is probably the most investigated plant secondary metabolite ever. An epidemiological study known as the French paradox showed a correlation between red wine intake and low mortality due to coronary heart diseases, and the red wine substance resveratrol was claimed to play a key role. Since then, several hundred resveratrol studies have been conducted to demonstrate its antioxidant and other beneficial properties. In the foodomics era, considering a complex foodome including over 25,000 substances that make up the human diet, it appears to be outdated to pursue the hunt for biological activities one function/compound at a time...
September 3, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28856691/therapeutic-applications-of-resveratrol-and-its-derivatives-on-periodontitis
#9
REVIEW
Yu-Tang Chin, Guei-Yun Cheng, Ya-Jung Shih, Chi-Yu Lin, Shan-Jen Lin, Hsuan-Yu Lai, Jacqueline Whang-Peng, Hsien-Chung Chiu, Sheng-Yang Lee, Earl Fu, Heng-Yuan Tang, Hung-Yun Lin, Leroy F Liu
Periodontitis is an inflammatory disease of the supporting tissues of the teeth induced by periodontopathic bacteria that results in the progressive destruction of periodontal tissues. Treatment of periodontitis is painful and time-consuming. Recently, herbal medicines have been considered for use in treating inflammation-related diseases, including periodontitis. Resveratrol and its derivative 2,3,5,4'-tetrahydroxystilbene-2-O-β-glucoside (THSG), a polyphenol extracted from Polygonum multiflorum, have anti-inflammatory properties and other medical benefits...
August 30, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28856688/gnetin-c-and-other-resveratrol-oligomers-with-cancer-chemopreventive-potential
#10
REVIEW
J Luis Espinoza, Pleiades T Inaoka
Resveratrol has been extensively studied to investigate its biological effects, including its chemopreventive potential against cancer. Over the past decade, various resveratrol oligomers, both naturally occurring and synthetic, have been described. These resveratrol oligomers result from the polymerization of two or more resveratrol units to form dimers, trimers, tetramers, or even more complex derivatives. Some oligomers appear to have antitumor activities that are similar or superior to monomeric resveratrol...
August 30, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28856683/regulation-of-claudin-4-via-p63-in-human-epithelial-cells
#11
REVIEW
Takashi Kojima, Takayuki Kohno, Terufumi Kubo, Yakuto Kaneko, Takuya Kakuki, Akito Kakiuchi, Makoto Kurose, Ken-Ichi Takano, Noriko Ogasawara, Kazufumi Obata, Kazuaki Nomura, Ryo Miyata, Takumi Konno, Shingo Ichimiya, Tetsuo Himi
P63 is a regulator of cell-cell junction complexes in the epidermis. Claudin-4 is regulated via various factors in normal epithelial cells and diseases. We found that claudin-4 was directly regulated via p63 (TAp63 and ΔNp63) in human keratinocytes and nasal epithelial cells. In the epidermis of atopic dermatitis (AD), which contains ΔNp63-deficient keratinocytes, high expression of claudin-4 was observed. In primary keratinocytes, downregulation of ΔNp63 by treatment with short interfering RNA (siRNA)-p63 induced claudin-4 expression...
August 30, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28845517/the-grapes-and-wrath-using-resveratrol-to-treat-the-pathophysiology-of-hemorrhagic-shock
#12
REVIEW
Carrie A Sims, Joseph A Baur
Resveratrol, a naturally occurring polyphenol found in grapes, has been shown to reduce oxidative stress and inflammation in a variety of conditions. Recently, resveratrol has been investigated as a potential adjunct to resuscitation therapy for hemorrhagic shock-a condition characterized by tissue hypoxia, mitochondrial dysfunction, and inflammation. Although standard resuscitation restores tissue perfusion, it can exacerbate oxidative stress and organ damage. In rodent models of severe hemorrhagic shock, resveratrol mitigates reperfusion injury, preserves organ function, and improves survival...
August 27, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28833199/questioning-the-unconscious
#13
Sonu Shamdasani
In this piece, I outline a brief history of the development of concepts of the unconscious and then suggest ways of bringing understanding to various sides of the discussion.
August 22, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28833194/mechanobiology-of-limb-musculoskeletal-development
#14
REVIEW
Varun Arvind, Alice H Huang
While there has been considerable progress in identifying molecular regulators of musculoskeletal development, the role of physical forces in regulating induction, differentiation, and patterning events is less well understood. Here, we highlight recent findings in this area, focusing primarily on model systems that test the mechanical regulation of skeletal and tendon development in the limb. We also discuss a few of the key signaling pathways and mechanisms that have been implicated in mechanotransduction and highlight current gaps in knowledge and opportunities for further research in the field...
August 22, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28833193/coagulation-and-fibrinolysis-in-gastric-cancer
#15
REVIEW
Ombretta Repetto, Valli De Re
Coagulation is a highly conserved process occurring after an injury to a blood vessel and resulting in hemostasis. In the thrombus microenvironment, finely orchestrated events restore vessel integrity through platelet activation, adhesion, and aggregation (primary hemostasis), followed by the coagulation cascades, thrombin generation, and fibrin clot deposition (secondary hemostasis). Several studies on cancer have provided insight into dramatic changes to coagulation-related events (i.e., fibrin clot deposition, fibrinolysis) during tumor pathogenesis, progression, and metastasis, in addition to a tumor-driven systemic activation of hemostasis and thrombosis (Trousseau's syndrome)...
August 22, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28833191/exploring-spatially-varying-relationships-between-children-s-lead-poisoning-and-environmental-factors
#16
Liyang Shao, Lianjun Zhang, Zhen Zhen
Children's lead poisoning continues to compromise children's health and development, particularly in the inner cities of the United States. We applied a global Poisson model, a Poisson with random effects model, and a geographically weighted Poisson regression (GWPR) model to deal with the spatial dependence and heterogeneity of the number of children's lead poisoning cases in Syracuse, New York. We used three environmental factors-the building year (i.e., the year of construction) of houses, the town taxable value of houses, and the soil lead concentration-averaged at the census block level to explore the spatially varying relationships between children's lead poisoning and environmental factors...
August 22, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28815614/resveratrol-for-alzheimer-s-disease
#17
REVIEW
Christine Sawda, Charbel Moussa, R Scott Turner
The amyloid hypothesis suggests that the progressive accumulation and deposition of central nervous system (CNS) amyloid with aging is the proximate cause of Alzheimer's disease (AD). Thus, targeting molecular mechanisms of aging may be a viable treatment approach. Caloric restriction prevents diseases of aging, including AD, in animal models, perhaps by activation of sirtuins. The sirtuins (e.g., mammalian SIRT1) are deacetylases that link energy balance (NAD(+) /NADH) to regulation of gene transcription. Resveratrol is a potent activator of SIRT1, and thus may mimic caloric restriction to prevent diseases of aging...
August 16, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28810084/contemporaneous-reproduction-of-preclinical-science-a-case-study-of-fsh-and-fat
#18
Clifford J Rosen, Mone Zaidi
No abstract text is available yet for this article.
August 15, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28810072/dreamless-the-silent-epidemic-of-rem-sleep-loss
#19
Rubin Naiman
We are at least as dream deprived as we are sleep deprived. Many of the health concerns attributed to sleep loss result from a silent epidemic of REM sleep deprivation. REM/dream loss is an unrecognized public health hazard that silently wreaks havoc with our lives, contributing to illness, depression, and an erosion of consciousness. This paper compiles data about the causes and extent of REM/dream loss associated with commonly used medications, endemic substance use disorders, rampant sleep disorders, and behavioral and lifestyle factors...
August 15, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28804910/t-cell-protein-tyrosine-phosphatase-prevents-stat1-induction-of-claudin-2-expression-in-intestinal-epithelial-cells
#20
Moorthy Krishnan, Declan F McCole
T cell protein tyrosine phosphatase (TCPTP) dephosphorylates a number of substrates, including JAK-STAT (signal transducer and activator of transcription) signaling proteins, which are activated by interferon (IFN)-γ, a major proinflammatory cytokine involved in conditions such as inflammatory bowel disease. A critical function of the intestinal epithelium is formation of a selective barrier to luminal contents. The structural units of the epithelium that regulate barrier function are the tight junctions (TJs), and the protein composition of the TJ determines the tightness of the barrier...
August 14, 2017: Annals of the New York Academy of Sciences
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