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https://www.readbyqxmd.com/read/29232342/intraoperative-near-infrared-fluorescence-imaging-of-multiple-pancreatic-neuroendocrine-tumors-a-case-report
#1
Henricus J M Handgraaf, Leonora S F Boogerd, Shirin Shahbazi Feshtali, Arantza Fariña Sarasqueta, Marieke Snel, Rutger-Jan Swijnenburg, Alexander L Vahrmeijer, Bert A Bonsing, J Sven D Mieog
Multiple endocrine neoplasia type 1 syndrome can feature pancreatic neuroendocrine lesions that have the potential to degenerate into malignancies (pancreatic neuroendocrine tumors [PNETs]). Resection is required in selected cases and aims to cure patients and to prevent metastasis. Preoperative imaging is important to assess the number, size, and location of PNETs. However, sensitivity of preoperative imaging modalities to detect small lesions can be rather disappointing. This makes intraoperative reassessment of the pancreas crucial...
January 2018: Pancreas
https://www.readbyqxmd.com/read/29232340/ablative-therapies-for-locally-advanced-pancreatic-cancer
#2
Rupen Shah, Katherine T Ostapoff, Boris Kuvshinoff, Steven N Hochwald
The vast majority of patients who present with pancreatic adenocarcinoma have locally advanced or metastatic disease at the time of presentation without possibility of cure. Although in recent years there have been some new promising chemotherapy regimens that improve overall survival by a few months, the prognosis remains dismal. There is, however, a subset of patients who experience durable stable disease or partial responses after initial courses of chemotherapy with locally advanced disease. In these select patients, there remains interest in local ablative therapy with or without resection as a means for local control, palliation of symptoms, and possible improved survival...
January 2018: Pancreas
https://www.readbyqxmd.com/read/29232269/mr-guided-biopsy-and-focal-therapy-new-options-for-prostate-cancer-management
#3
Fuad F Elkhoury, Demetrios N Simopoulos, Leonard S Marks
PURPOSE OF REVIEW: Options for prostate cancer management are rapidly expanding. The recent advent of MRI technology has led to guided prostate biopsies by radiologists working in-bore or by urologists using MR/US fusion technology. The resulting tumor visualization now provides the option of focal therapy. Currently available are highly directed energies - focused ultrasound (HIFU), cryotherapy, and laser - all offering the hope of curing prostate cancer with few side effects. RECENT FINDINGS: MRI now enables visualization of many prostate cancers...
December 11, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/29232209/recent-progress-in-understanding-hiv-reservoirs
#4
Hsiao-Hsuan Kuo, Mathias Lichterfeld
PURPOSE OF REVIEW: Reservoirs of HIV-1-infected cells persist long-term despite highly effective antiretroviral suppression therapy and represent the main barrier against a cure for HIV-1. This review summarizes recent advances in understanding the complexity and diversity of viral reservoir cells. RECENT FINDINGS: Latently infected memory CD4 T cells are the predominant cell compartment responsible for viral persistence, but some studies suggest that myeloid cells, and possibly hematopoietic progenitors, can also serve as long-term viral reservoirs...
December 11, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29231281/novel-3d-neuron-regeneration-scaffolds-based-on-synthetic-polypeptide-containing-neuron-cue
#5
Zhen-Hua Wang, Yen-Yu Chang, Jhih-Guang Wu, Chia-Yu Lin, Hsiao-Lung An, Shyh-Chyang Luo, Tang K Tang, Wei-Fang Su
Neural tissue engineering has become a potential technology to restore the functionality of damaged neural tissue with the hope to cure the patients with neural disorder and to improve their quality of life. This paper reports the design and synthesis of polypeptides containing neuron stimulate, glutamic acid, for the fabrication of biomimetic 3D scaffold in neural tissue engineering application. The polypeptides are synthesized by efficient chemical reactions. Monomer γ-benzyl glutamate-N-carboxyanhydride undergoes ring-opening polymerization to form poly(γ-benzyl-l-glutamate), then hydrolyzes into poly(γ-benzyl-l-glutamate)-r-poly(glutamic acid) random copolymer...
December 12, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/29230210/checkpoint-blockade-toxicity-and-immune-homeostasis-in-the-gastrointestinal-tract
#6
REVIEW
Michael Dougan
Monoclonal antibodies targeting the regulatory immune "checkpoint" receptors CTLA-4, PD-1, and PD-L1 are now standard therapy for diverse malignancies including melanoma, lung cancer, and renal cell carcinoma. Although effective in many patients and able to induce cures in some, targeting these regulatory pathways has led to a new class of immune-related adverse events. In many respects, these immune toxicities resemble idiopathic autoimmune diseases, such as inflammatory bowel disease, autoimmune hepatitis, rheumatoid arthritis, and vitiligo...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29228218/nonhuman-primate-models-and-understanding-the-pathogenesis-of-hiv-infection-and-aids
#7
Ronald S Veazey, Andrew A Lackner
Research using nonhuman primates (NHPs) as models for human immunodeficiency virus (HIV) infection and acquired immunodeficiency syndrome (AIDS) has resulted in tremendous achievements not only in the prevention and treatment of HIV, but also in biomedical research more broadly. Once considered a death sentence, HIV infection is now fairly well controlled with combination antiretroviral treatments, almost all of which were first tested for efficacy and safety in nonhuman primates or other laboratory animals...
December 8, 2017: ILAR Journal
https://www.readbyqxmd.com/read/29227728/use-of-low-level-laser-therapy-in-treatment-of-the-androgenic-alopecia-the-first-systematic-review
#8
Ibrahim Najem, Hongxiang Chen
Alopecia is a common disease affecting more than half of the world total number of people. Alopecia exists in different types, but one of the most common of these types is the Androgenic Alopecia which has affected approximately 51% of the total number of males ranging between the age bracket of 40 years and 75 years. This type of alopecia is more common in females who are above the age of 65 years and above. Despite this widespread effect, much has not been done regarding identifying the possible drugs for treating this disease...
December 11, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/29227418/development-and-validation-of-surveillance-based-algorithms-to-estimate-hepatitis-c-treatment-and-cure-in-new-york-city
#9
Miranda S Moore, Angelica Bocour, Lizeyka Jordan, Emily McGibbon, Jay K Varma, Ann Winters, Fabienne Laraque
CONTEXT: Treatment options for chronic hepatitis C virus (HCV) have improved in recent years. The burden of HCV in New York City (NYC) is high. Measuring treatment and cure among NYC residents with HCV infection will allow the NYC Department of Health and Mental Hygiene (DOHMH) to appropriately plan interventions, allocate resources, and identify disparities to combat the hepatitis C epidemic in NYC. OBJECTIVE: To validate algorithms designed to estimate treatment and cure of HCV using RNA test results reported through routine surveillance...
December 7, 2017: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/29226515/surface-strain-redistribution-on-structured-microfibers-to-enhance-sensitivity-of-fiber-shaped-stretchable-strain-sensors
#10
Zhiyuan Liu, Dianpeng Qi, Guoyu Hu, Han Wang, Ying Jiang, Geng Chen, Yifei Luo, Xian Jun Loh, Bo Liedberg, Xiaodong Chen
Fiber-shaped stretchable strain sensors with small testing areas can be directly woven into textiles. This paves the way for the design of integrated wearable devices capable of obtaining real-time mechanical feedback for various applications. However, for a simple fiber that undergoes uniform strain distribution during deformation, it is still a big challenge to obtain high sensitivity. Herein, a new strategy, surface strain redistribution, is reported to significantly enhance the sensitivity of fiber-shaped stretchable strain sensors...
December 11, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29225166/apatinib-inhibits-migration-and-invasion-as-well-as-pd-l1-expression-in-osteosarcoma-by-targeting-stat3
#11
Bingxin Zheng, Tingting Ren, Yi Huang, Wei Guo
The cure rate of osteosarcoma has not improved in the past 30 years. The new treatments and drugs is urgently needed, especially for metastatic osteosarcoma. Anti-angiogenesis therapy and immunotherapy has got promising anti-tumor effects in various tumors. It is hypothesised that combining checkpoint inhibitor immunotherapies with antiangiogenic treatment may have a synergistic effect and enhance the efficacy of both treatments. However, its underlying mechanism remain largely uninvestigated. To investigate the clinical significance of vascular endothelial growth factor receptor-2 (VEGFR2) and programmed death ligand-1 (PD-L1) in osteosarcoma, we analyzes their expression levels in 93 osteosarcoma specimens by immunohistochemistry...
December 7, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29222298/management-of-multiple-myeloma-in-the-newly-diagnosed-patient
#12
REVIEW
María-Victoria Mateos, Jesús F San Miguel
Multiple myeloma is the second most frequent hematological disease. The introduction of melphalan as high-dose therapy followed by autologous hematopoietic cell transplantation (HDT/ASCT) for young patients and the availability of novel agents for young and elderly patients with multiple myeloma have dramatically changed the perspective of treatment. However, further research is necessary if we want definitively to cure the disease. Treatment goals for transplant-eligible and non-transplant-eligible patients should be to prolong survival by achieving the best possible response while ensuring quality of life...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222267/new-therapeutic-targets-in-transfusion-dependent-and-independent-thalassemia
#13
REVIEW
M Domenica Cappellini, Irene Motta
β-Thalassemias are characterized by reduced production of β-globin chain, resulting in α/β-chain unbalance and precipitation of α-globin-heme complexes and determining ineffective erythropoiesis. Ineffective erythropoiesis, chronic hemolytic anemia, and compensatory hematopoietic expansion are the disease hallmarks, and they are related to the severity of the chain unbalance. Several clinical forms of β-thalassemia, including the coinheritance of β-thalassemia with hemoglobin E resulting in hemoglobin E/β-thalassemia, have been described...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222257/is-molecular-remission-the-goal-of-multiple-myeloma-therapy
#14
REVIEW
Faith E Davies
The increased number of effective therapies and the wider use of combinations that give deeper remissions have resulted in a reassessment of the goals of myeloma therapy. With the advent of new therapeutic strategies and diagnostic tools, achievement of minimal residual disease (MRD)-negative status has become increasingly important, with some even considering it as the primary endpoint for therapy. The level of MRD that is aimed for is a continuous, rather than an absolute variable, with studies in both transplant-eligible and -noneligible patients showing that the level of MRD achieved is predictive of progression-free survival and overall survival, with an improvement in survival of approximately 1 year for each log-depletion in MRD level...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222231/al-amyloidosis-from-molecular-mechanisms-to-targeted-therapies
#15
REVIEW
Giampaolo Merlini
Systemic amyloidosis is caused by misfolding and extracellular deposition of circulating proteins as amyloid fibrils, resulting in the dysfunction of vital organs. The most common systemic amyloidosis, light-chain (AL) amyloidosis, is caused by misfolded light chains produced by a small, dangerous B-cell clone. The process of amyloid formation, organ targeting, and damage is multifaceted and, after disease initiation, the complexity of the downstream pathogenic cascade increases, rendering its control a challenge...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29221116/the-addition-of-abemaciclib-to-sunitinib-induces-regression-of-renal-cell-carcinoma-xenograft-tumors
#16
Jeffrey Small, Erik Washburn, Karmaine Millington, Junjia Zhu, Sheldon L Holder
Multiple therapies currently exist for renal cell carcinoma, however, most do not result in cure and the development of acquired resistance is the rule rather than the exception. CDK4/6 and PIM1 kinases are potential new therapeutic targets in RCC. Abemaciclib is a potent CDK4/6 and PIM1 kinase inhibitor, thus we evaluated the effects of abemaciclib on renal cell carcinoma. In vitro, abemaciclib causes decreased cellular viability, increased apoptosis, and alterations in autophagy in renal cell carcinoma cell lines...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29219058/macrophage-targeted-cellular-carriers-for-effective-delivery-of-anti-tubercular-drugs
#17
S Beg, Jaya Agnihotri, Shibhna Singh, Mohammad Wais
Newly developed vaccine VPM1002 confers paradigm swing in the prophylactic treatment of tuberculosis (TB).Multi drug resistant and latent TB in adults as well as in underprivileged patients is instigating menace over world population if the host is immune-compromised. One third of the world's population is infected with TB. Recently it is estimated around 9.6 million people around the world became sick with TB disease. There were 1.5 million TB-related deaths worldwide. Therefore with the advent in biotechnology and Nano engineering, newly adapted survival molecular mechanism of Mycobacterium tuberculosis, new targets receptors on alveolar macrophages must be explored out for eradication of TB from the globe...
December 7, 2017: Recent Patents on Anti-infective Drug Discovery
https://www.readbyqxmd.com/read/29218856/preparation-of-fluoride-loaded-microcapsules-for-anticariogenic-bacterial-growth-using-a-coaxial-ultrasonic-atomizer
#18
Hae-Won Choi, Seung-Hoon Um, Sang-Hoon Rhee
A new method to deliver fluoride using biodegradable poly(lactic-co-glycolic acid) microcapsules to suppress cariogenic bacterial growth during orthodontic treatment was investigated. A coaxial ultrasonic atomizer was used to encapsulate KF solution into microcapsules. The orthodontic adhesive resin disk containing fluoride loaded microcapsules (DFLM) was prepared by LED light curing. The microstructure of microcapsules, successful loading of KF, fracture strength, and shear bonding strength were assessed by FE-SEM, confocal laser scanning microscope, and general purpose testing machine, respectively...
January 2018: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29217062/arteriovenous-malformations-of-the-head-and-neck
#19
REVIEW
Tara L Rosenberg, James Y Suen, Gresham T Richter
Extracranial arteriovenous malformations (AVMs) are complex vascular malformations to diagnose and treat. They are comprised of congenitally derived arteriovenous shunts with chronic vascular expansion, collateralization, and infiltration of local tissue. Their cause remains unclear, but new genetic and molecular clues are emerging. They may present at any age following an early quiescent period. Diagnosis is based on vascular staining, soft tissue expansion, progressive growth, warmth, and pulsations. Focal lesions can be cured, whereas diffuse AVMs demonstrate highly recidivistic disease...
February 2018: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/29212929/nucleic-acid-polymers-are-active-against-hepatitis-delta-virus-infection-in-vitro
#20
Frauke Beilstein, Matthieu Blanchet, Andrew Vaillant, Camille Sureau
In this study, an in vitro infection model for the hepatitis delta virus (HDV) was used to evaluate the antiviral effects of phosphorothioate nucleic acid polymers (NAPs) and investigate their mechanism of action. The results show that NAPs inhibit HDV infection at less than 4 micromolar concentrations in cultures of differentiated human hepatoma cells. NAPs were shown to be active at viral entry, but inactive post entry on HDV RNA replication. Inhibition was independent of the NAPs nucleotide sequence, but dependent on both size and amphipathicity of the polymer...
December 6, 2017: Journal of Virology
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