1,598,407 results match your criteria criteriamethods evaluated


Blood biochemical parameters and organs development of brown layers fed reduced dietary protein levels in two rearing systems.

Anim Biosci 2021 Jun 24. Epub 2021 Jun 24.

Department of Animal Science, Federal University of Goiás, GO, 74690-900, Brazil.

Objective: An experiment was conducted to evaluate the effect of different levels of crude protein (CP) and two rearing systems (cage and floor), on blood parameters and digestive and reproductive organ development of brown laying hens.

Methods: A total of 400 Hisex Brown laying hens between 30 and 45 weeks of age were distributed in a completely randomized design and a 2×4 factorial arrangement, with main effects including two rearing systems (cage and floor) and levels of CP (140, 150, 160, and 180 g/kg), in a total of eight treatments and five replicates of 10 birds each with initial body weight of 1,877 g (laying hen in cage) and 1,866 g (laying hens in floor). The parameters evaluated were plasma total protein, albumin, uric acid, total cholesterol, relative weights of oviduct, abdominal fat, liver, gizzard, crest and dewlap, length of small intestine and oviduct. Read More

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Intradermal lipopolysaccharide challenge as an acute in vivo inflammatory model in healthy volunteers.

Br J Clin Pharmacol 2021 Jul 22. Epub 2021 Jul 22.

Centre for Human Drug Research, Leiden, the Netherlands.

Introduction: Whereas intravenous administration of TLR4 ligand lipopolysaccharide (LPS) to human volunteers is frequently used in clinical pharmacology studies, systemic use of LPS has practical limitations. We aimed to characterize the intradermal LPS response in healthy volunteers, and as such qualify the method as local inflammation model for clinical pharmacology studies.

Methods: 18 healthy male volunteers received two or four intradermal 10 ng LPS injections and one saline injection on the forearms. Read More

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Diagnostic accuracy of a novel artificial intelligence system for adenoma detection in daily practice: a prospective non-randomized comparative study.

Endoscopy 2021 Jul 22. Epub 2021 Jul 22.

Department of Gastroenterology and interventional Endoscopy, Krankenhaus Barmherzige Bruder Regensburg, Regensburg, Germany.

Background And Aims: Adenoma detection rate (ADR) varies significantly between endoscopists with up to 26% adenoma miss rate (AMR). Artificial intelligence (AI) systems may improve endoscopic quality and reduce the rate of interval cancer. We evaluated the efficacy of an AI system in real time colonoscopy and its influence on the AMR and the ADR. Read More

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Feasibility and Effect of Reiki on the Physiology and Self-perceived Stress of Nurses in a Large US Hospital.

Holist Nurs Pract 2021 Jul 20. Epub 2021 Jul 20.

Boston Children's Hospital, Boston, Massachusetts (Mss Hailey, Fortin, and Pratt and Mr Forbes); and Children's Hospital of Philadelphia, Philadelphia, Pennsylvania (Dr McCabe).

Nurses experience stress in the workplace. We evaluated the feasibility and effect of Reiki to relieve stress of staff nurses during a work shift. All Reiki treatments were completed without interruption and lasted 30 minutes. Read More

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Validation of proton dose calculation on scattercorrected 4D cone beam computed tomographyusing a porcine lung phantom.

Phys Med Biol 2021 Jul 22. Epub 2021 Jul 22.

Department of Radiation Oncology, University Hospital Munich, Munich, Bavaria, GERMANY.

Proton therapy treatment for lungs remains challenging as images enabling the detection of inter- and intra-fractional motion, which could be used for proton dose adaptation, are not readily available. 4D computed tomography (4DCT) provides high image quality but is rarely available in-room, while in-room 4D cone beam computed tomography (4DCBCT) suffers from image quality limitations stemming mostly from scatter detection. This study investigated the feasibility of using virtual 4D computed tomography (4DvCT) as a prior for a phase-per-phase scatter correction algorithm yielding a 4D scatter corrected cone beam computed tomography image (4DCBCT), which can be used for proton dose calculation. Read More

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Simulation study of potential time-of-flight capabilities for a multilayer DOI-PET detector with an independent readout structure.

Phys Med Biol 2021 Jul 22. Epub 2021 Jul 22.

Central Research Laboratory, Hamamatsu Photonics K.K., Hamamatsu, JAPAN.

A multilayer depth-of-interaction positron emission tomography (DOI-PET) detector with an independent readout structure has a potential advantage as a time-of-flight (TOF)-PET detector. To evaluate the potential TOF capabilities of a multilayer DOI-PET detector, which consists of thin layers of a cerium-doped lutetium-yttrium oxyorthosilicate (LYSO:Ce) scintillator coupled to a multi-pixel photon counter (MPPC) array, we examined the detector's CTR performance via Monte Carlo simulations. We used several types of scintillator structures: a monolithic plate, laser-processing array with 3. Read More

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Comparison of exergames versus conventional exercises on the cognitive skills of older adults: a systematic review with meta-analysis.

Arch Gerontol Geriatr 2021 Jul 15;97:104485. Epub 2021 Jul 15.

State University of Campinas, Graduate Program in Gerontology, Faculty of Medical Sciences. State University of Campinas, Department of Sports Sciences, Faculty of Physical Education. Group of Studies in Sport Psychology and Neurosciences (GEPEN). Cidade Universitária Zeferino Vaz - Barão Geraldo, Campinas-SP, 13083-970, Brazil. Electronic address:

Purpose: To compare the effects of exergames versus conventional physical training on the cognitive skills of older adults.

Materials And Methods: Scientific studies published in PubMed, Web of Science, and Cochrane Library databases were searched. Individual studies were assessed using the Cochrane Risk-of-bias tool for randomized trials (RoB 2). Read More

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Tumor Budding is a reliable predictor for death and metastasis in invasive ductal breast cancer and correlates with other prognostic clinicopathological parameters.

Ann Diagn Pathol 2021 Jul 15;54:151792. Epub 2021 Jul 15.

Recep Tayyip Erdoğan University, Faculty of Medicine, Department of Pathology, Turkey.

Background And Objective: Breast cancers are the most common type of cancer and the most common cause of mortality in women worldwide. Different prognostic factors are the subject of research to differentiate the prognosis even between cases at a similar stage and identify risky patients earlier and create individual treatment approaches. Tumor budding (TB) has been identified as a poor prognostic factor in many types of cancer, especially colorectal carcinomas. Read More

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Acute autoimmune-like hepatitis with atypical anti-mitochondrial antibody after mRNA COVID-19 vaccination: A novel clinical entity?

J Autoimmun 2021 Jul 15;123:102706. Epub 2021 Jul 15.

Epatocentro Ticino, Via Soldino 5, 6900, Lugano, Switzerland; King's College London Faculty of Life Sciences & Medicine, Institute of Liver Studies, MowatLabs, London, UK; Faculty of Biomedical Sciences, Università Della Svizzera Italiana, 6900, Lugano, Switzerland. Electronic address:

Autoimmune phenomena and clinically apparent autoimmune diseases, including autoimmune hepatitis, are increasingly been reported not only after natural infection with the SARS-CoV-2 virus, but also after vaccination against it. We report the case of a 63-year old man without a history of autoimmunity or SARS-CoV-2 natural infection who experienced acute severe autoimmune-like hepatitis seven days after the first dose of the mRNA-1273 SARS-CoV-2 vaccine. Liver histology showed inflammatory portal infiltrate with interface hepatitis, lobular and centrilobular inflammation with centrilobular necrosis, in absence of fibrosis and steatosis. Read More

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Computer Game Assisted Task Specific Exercises in the Treatment of Motor and Cognitive Function and Quality of Life in Stroke: A Randomized Control Study.

J Stroke Cerebrovasc Dis 2021 Jul 19;30(9):105991. Epub 2021 Jul 19.

Department of Physical and Rehabilitation Medicine, Baskent University Faculty of Medicine, Maresal Fevzi Cakmak Cad. 5. Sok. No: 48, Bahcelievler, Ankara, 06490, Turkey.

Objectives: Computer game assisted task specific exercises (CGATSE) are rehabilitation gaming systems (RGS) used in stroke rehabilitation to facilitate patient performance of high intensity, task based, repetitive exercises aiming to enhance neuroplasticity. CGATSE maybe an appealing option in home based rehabilitation of stroke patients, especially during the COVID-19 pandemic. This study aimed to determine the effects of CGATSE on hemiplegic arm-hand function, cognitive function and quality of life in stroke. Read More

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Monitoring Intramural Hematoma on Vessel Wall Imaging to Evaluate the Healing of Intracranial Vertebral Artery Dissection.

J Stroke Cerebrovasc Dis 2021 Jul 19;30(9):105992. Epub 2021 Jul 19.

Department of Neurosurgery Graduate School of Biomedical and Health Sciences Hiroshima University, Hiroshima, Japan.

Objective: Unruptured intracranial vertebral artery dissection (VAD) generally heals spontaneously. A chronological evaluation of intramural hematoma (IMH) using T1-weighted vessel wall imaging (VWI) may provide a more detailed understanding of the pathophysiology of VAD. We herein investigated the relationship between chronological signal changes in IMH on VWI and the spontaneous healing of VAD. Read More

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Vaginal temperature before calving assessed with wireless vaginal temperature sensor in dairy and beef cattle.

Theriogenology 2021 Jul 14;172:230-238. Epub 2021 Jul 14.

Kyushu Okinawa Agricultural Research Center, NARO, Kumamoto, Japan. Electronic address:

We evaluated the daily and hourly vaginal temperature changes and the relationships between the dams' breed and parity by using a commercially available vaginal temperature sensor in 72 Holstein (Hol) calvings and 101 Japanese Black (JB) calvings. Vaginal temperature sensors inserted 7-10 days before the expected calving day sounded two alerts: when the temperature fell below the threshold (Alert 1), and when the sensor reached the ambient temperature after falling out of the dam's vagina with the rupture of the allantoic sac (Alert 2). The durations from Alert 1 to Alert 2 (Time 1) and from Alert 2 to delivery (Time 2) were calculated. Read More

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Effect of Guo Qing Yi Tang combined with Western medicine cluster therapy on acute pancreatitis.

Am J Emerg Med 2021 Jul 8;50:66-70. Epub 2021 Jul 8.

Department of Critical Care Medicine, Jinjiang Hospital of Traditional Chinese Medicine, Jinjiang 362200, Fujian province, People's Republic of China.

Background: This study evaluated the effect of Guo Qing Yi Tang (GQYT) combined with Western medicine cluster therapy on acute pancreatitis (AP).

Methods: A total of 138 AP patients were recruited and divided into the observation group (68 patients) and control group (70 patients). The control group was treated with cluster therapy alone, while the observation group was treated with trans-jejunum feeding of GQYT combined with cluster therapy. Read More

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Structural insights in galectin-1-glycan recognition: Relevance of the glycosidic linkage and the N-acetylation pattern of sugar moieties.

Bioorg Med Chem 2021 Jul 14;44:116309. Epub 2021 Jul 14.

Laboratorio de Bioquímica, Departamento de Biociencias, Facultad de Química, UdelaR, Gral. Flores, 2124, 11800 Montevideo, Uruguay. Electronic address:

Galectins, soluble lectins widely expressed intra- and extracellularly in different cell types, play major roles in deciphering the cellular glycocode. Galectin-1 (Gal-1), a prototype member of this family, presents a carbohydrate recognition domain (CRD) with specific affinity for β-galactosides such as N-acetyllactosamine (β-d-Galp-(1 → 4)-d-GlcpNAc), and mediate numerous physiological and pathological processes. In this work, Gal-1 binding affinity for β-(1 → 6) galactosides, including β-d-Galp-(1 → 6)-β-d-GlcpNAc-(1 → 4)-d-GlcpNAc was evaluated, and their performance was compared to that of β-(1 → 4) and β-(1 → 3) galactosides. Read More

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Oxidative stress and DNA damage induced by trifloxystrobin on earthworms (Eisenia fetida) in two soils.

Sci Total Environ 2021 Jul 17;797:149004. Epub 2021 Jul 17.

College of Resources and Environment, Shandong Agricultural University, Key Laboratory of Agricultural Environment in Universities of Shandong, 61 Daizong Road, Taian 271018, China. Electronic address:

Trifloxystrobin is a new type of fungicide, which is extensively used due to its excellent antifungal activity. In this study, oxidative stress and DNA damage induced by trifloxystrobin exposure was evaluated using Eisenia fetida at subchronic toxicity concentrations in artificial soil and brown soil (0.1-2. Read More

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Evaluation of the HeroWear Apex back-assist exosuit during multiple brief tasks.

J Biomech 2021 Jul 9;126:110620. Epub 2021 Jul 9.

Department of Electrical and Computer Engineering, University of Wyoming. Electronic address:

Trunk exoskeletons are wearable devices that support humans during physically demanding tasks by reducing biomechanical loads on the back. While most trunk exoskeletons are rigid devices, more lightweight soft exoskeletons (exosuits) have recently been developed. One such exosuit is the HeroWear Apex, which achieved promising results in the developers' own work but has not been independently evaluated. Read More

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The tightening parameters of the vibratory devices modify their disturbing postural effects.

J Biomech 2021 Jul 13;126:110624. Epub 2021 Jul 13.

Université de Pau et des Pays de l'Adour, E2S UPPA, Laboratoire Mouvement, Equilibre, Performance et Santé, 11 rue Morane Saulnier Tarbes 65000, France.

The purpose was to specify the impact of two different forces exerted by vibratory devices on the Achilles tendon on postural balance. The postural balance of 13 participants was evaluated on a force platform in two 40 s bipedal stance conditions with closed eyes. Tendon vibrations (80 Hz) were triggered 10 s after the beginning of the postural evaluation and applied during 20 s. Read More

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Caspofungin resistance in clinical Aspergillus Flavus isolates.

J Mycol Med 2021 Jul 5;31(4):101166. Epub 2021 Jul 5.

Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Introduction And Aims: The present study was conducted to determine the candidate genes involved in caspofungin (CAS) resistance in clinical isolates of Aspergillus flavus (A. flavus).

Materials And Methods: The antifungal susceptibility assay of the CAS was performed on 14 clinical isolates of A. Read More

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Evaluation of commercial zerovalent iron sources in combination with solar energy to remove microcontaminants from natural water at circumneutral pH.

Chemosphere 2021 Jul 15;286(Pt 1):131557. Epub 2021 Jul 15.

Plataforma Solar de Almería-CIEMAT, Ctra Senés km 4, 04200, Tabernas, Almería, Spain; CIESOL, Joint Centre of the University of Almería-CIEMAT, 04120, Almería, Spain.

Solar zerovalent iron (ZVI) was studied at circumneutral pH in combination with hydrogen peroxide and persulfate for removal of imidacloprid as a model contaminant in natural water. Three commercial ZVI sources, steel wool (ZVI-SW) and two iron micro-powders (ZVI-MS and ZVI-S) were independently evaluated. First, different ZVI corrosion conditions were tested in contact with air, exposed to natural solar radiation and with addition of oxidants, such as HO and SO, demonstrating the importance of released iron. Read More

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The effect of black carbon on the chemical degradability of PCB1 via TENAX desorption technology from the perspective of adsorption states.

Chemosphere 2021 Jul 17;286(Pt 1):131583. Epub 2021 Jul 17.

Department of Environmental Engineering, Zhejiang University, Hangzhou, 310029, People's Republic of China; Key Laboratory of Water Pollution Control and Environmental Safety of Zhejiang Province, 310020, People's Republic of China. Electronic address:

Chemical degradation is one of the crucial methods for the remediation of hydrophobic organic compounds (HOCs) in soil/sediment. The sequestration effect of black carbon (BC) can affect the adsorption state of HOCs, thereby affecting their chemical degradability. Our study focused on the chemical degradability of 2-Chlorobiphenyl (PCB1) sequestrated on the typical BC (fly ash (FC), soot (SC), low-temperature biochar (BC400) and high-temperature biochar (BC900)) by iron-nickel bimetallic nanomaterials (nZVI/Ni) based on TENAX desorption technology. Read More

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A French survey on the lockdown consequences of COVID-19 pandemic in Parkinson's disease. The ERCOPARK study.

Parkinsonism Relat Disord 2021 Jul 13;89:128-133. Epub 2021 Jul 13.

Service de Neurologie, Centre Hospitalier Universitaire, Toulouse, France; France CHU de Toulouse, Université de Toulouse-Toulouse 3, INSERM, UMR1214 Toulouse NeuroImaging Centre "TONIC," Center of Excellence in Neurodegeneration (CoEN), NeuroToul, Centre Expert Parkinson de Toulouse, Centre d'Investigation Clinique CIC1436, NS-Park/FCRIN Network, Services de Neurologie et de Pharmacologie Clinique, UMR 1048 Institute for Cardiovascular Diseases, Toulouse, France.

Background: In 2020 the coronavirus disease 19 (COVID-19) pandemic imposed a total and sudden lockdown. We aimed to investigate the consequences of the first COVID-19 lockdown (mid-March - mid-April 2020) on motor and non-motor symptoms (NMS) in a cohort of French people with Parkinson's disease (PwP).

Methods: PwP were enrolled either by an on-line survey sent from the national France Parkinson association (FP) to reach the French community of PwP or as part of outpatients' telemedicine visits followed by an hospital-based Parkinson Expert Center (PEC). Read More

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Arterial Vascular Structures running through Retrotransverse Foramen and Retrotransverse Groove of the Atlas Vertebrae.

World Neurosurg 2021 Jul 19. Epub 2021 Jul 19.

Department of Neurosurgery, the First Affiliated Hospital of Soochow University, Suzhou 215006, China. Electronic address:

Objective: Retrotransverse foramen (RTF) and Retrotransverse groove (RTG) are anatomic variations of the atlas (C1) vertebrae , RTF contained an anastomotic vein connecting atlanto-occipital and atlanto-axodian venous sinuses. The purpose of this study is to analyze the arterial vascular structures running though the RTF and RTG.

Methods: Three-dimensional Volume Rendered Computed Tomography Angiography (3D VR CTA) images of 427 subjects (264 males, 163 females, aged between 17 and 87 years) were reviewed and evaluated by using Radiant DICOM Viewer. Read More

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Closed form approximations to predict retention times and peak widths in gradient elution under conditions of sample volume overload and sample solvent mismatch.

J Chromatogr A 2021 Jul 1;1653:462376. Epub 2021 Jul 1.

Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, PA, 15260, USA.

Closed form expressions for the prediction of retention times and peak widths for gradient liquid chromatography are particularly useful in understanding, rationalizing and optimizing separations. These expressions are obtained by integrating differential equations, in conjunction with a model of the variation of the retention factor as a function of mobile phase composition. Two of these models, the linear solvent strength (LSS) model and the Neue-Kuss (NK) model are explored in the present work. Read More

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The Effects of Chronic Lymphocytic Thyroiditis on Clinicopathological Factors In Papillary Thyroid Cancer.

Endocr Pract 2021 Jul 19. Epub 2021 Jul 19.

Department of Endocrinology and Metabolism, University of Health Sciences, Diskapi Yildirim Beyazit Training and Research Hospital, Ankara, Turkey.

Introduction: This study evaluated the impact of chronic lymphocytic thyroiditis (CLT) on clinicopathological parameters, prognostic outcome and initial treatment responses in patients with papillary thyroid cancer (PTC).

Methods: A retrospective review was made of 1409 patients with PTC, comprising 443 pathology proven PTC patients with CLT and 447 PTC patients without CLT.

Results: The median follow-up time was 58 (8-380) months and the median age at the time of diagnosis was 43 years. Read More

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Improving severity scoring of food-induced allergic reactions: a global "Best-Worst Scaling" exercise.

J Allergy Clin Immunol Pract 2021 Jul 19. Epub 2021 Jul 19.

National Heart & Lung Institute, Imperial College London, London, UK;. Electronic address:

Background: There is no current consensus on assigning severity to food-induced allergic reactions, for example to assess the efficacy of allergen immunotherapy. Existing severity scores lack the capability to discriminate between non-anaphylaxis reactions of different severities. Attempts are ongoing to develop a more discriminatory score, which should ideally be data-driven and validated in multiple cohorts. Read More

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Ecotoxicity of chlorpyrifos on earthworm Eisenia fetida (Savigny, 1826): Modifications in oxidative biomarkers.

Comp Biochem Physiol C Toxicol Pharmacol 2021 Jul 19:109145. Epub 2021 Jul 19.

Department of Basic Sciences, Faculty of Veterinary, Shahrekord University, Iran.

Chlorpyrifos (CPF; O, O'-diethyl-3, 5, 6-trichloro-2-pyridyl phosphorothionate) as an organophosphate compound with moderate toxicity that entered the soil in 1965, is widely used as an active substance of many insecticides. CPF may affect some biochemical mechanisms, particularly through disrupting pro- and anti-oxidant balance and inducing free radical-induced oxidative stress. Expired pesticides, if present in ecosystem, may pose new issues of toxicological concern. Read More

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CHLORAMPHENICOL LOADED POLYLACTIDE MELT ELESTROSPUN SCAFFOLDS FOR BIOMEDICAL APPLICATIONS.

Int J Pharm 2021 Jul 19:120897. Epub 2021 Jul 19.

Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Campus Diagonal-Besòs, Av. Eduard Maristany 10-14, E-08019 Barcelona, Catalonia, Spain; Departament d'Enginyeria Química, Universitat Politècnica de Catalunya, Escola Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, Barcelona 08019, SPAIN. Electronic address:

Melt electrospinning of polylactide (PLA) loaded with chloramphenicol (CAM) has been performed and characteristics of fibers, physical properties of scaffolds, CAM release behavior, antibacterial properties and biocompatibility have been evaluated. The interest of CAM loaded samples is nowadays enhanced for biomedical applications since this antibiotic has been demonstrated to be efficient for the treatment of cancer. Melt electrospinning has been selected as an ideal preparation process because it avoids the use of toxic solvents which are harmful to the environment and could be problematic for biomedical applications. Read More

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Combining tumor deposits with the number of lymph node metastases to improve the prognostic accuracy in stage III colon cancer: a post hoc analysis of the CALGB/SWOG 80702 phase III study (Alliance).

Ann Oncol 2021 Jul 19. Epub 2021 Jul 19.

Department of Medical Oncology, Dana-Farber/Partners Cancer Care, Boston, MA, USA.

Background: In colon cancer, tumor deposits (TD) are considered in assigning prognosis and staging only in the absence of lymph node metastasis (i.e., stage III pN1c tumors). Read More

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Si-Wu-Tang facilitates ovarian function through improving ovarian microenvironment and angiogenesis in a mouse model of premature ovarian failure.

J Ethnopharmacol 2021 Jul 19:114431. Epub 2021 Jul 19.

Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China; Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China. Electronic address:

Ethnopharmacological Relevance: Premature ovarian failure (POF) is a severe illness, characterized by premature menopause with a markedly decrease in ovarian function, which leads to infertility. Si-Wu-Tang (SWT), also called "the first prescription of gynecology" by medical experts in China, is widely used as the basic formula in regulating the menstrual cycle and treating infertility. However, the potential effect and underlying mechanisms of action of SWT on the treatment of POF have not yet been elucidated. Read More

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An integrated approach to uncover anti-tumor active materials of Curcumae Rhizoma-Sparganii Rhizoma based on spectrum-effect relationship, molecular docking, and ADME evaluation.

J Ethnopharmacol 2021 Jul 19:114439. Epub 2021 Jul 19.

School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102488, PR China; Beijing Key Laboratory for Quality Evaluation of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, PR China. Electronic address:

Ethnopharmacological Relevance: Curcumae Rhizoma-Sparganii Rhizoma (CR-SR), an ancient and classical herbal couple, has been extensively used for tumor treatment in clinic of traditional Chinese medicines (TCMs).

Aim Of The Study: The study aimed to uncover the anti-tumor active materials of CR-SR water decoction (CR:SR = 1:1) via an integrated approach of spectrum-effect relationship, molecular docking, and ADME evaluation.

Materials And Methods: The anti-tumor activities toward A549, HepG2, Hela, BGC-823, and MCF-7 cells of the different polar elution fractions (DPEFs) of CR, SR, and CR-SR were determined by Cell Counting Kit-8 (CCK-8) assay. Read More

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