766,076 results match your criteria injection

Injectable tricalcium phosphate/calcium sulfate granule enhances bone repair by reversible setting reaction.

Biochem Biophys Res Commun 2021 Apr 14;557:151-158. Epub 2021 Apr 14.

Department of Engineering Sciences: Applied Materials Sciences, The Ångström Laboratory, SE-751 21, Uppsala, Sweden. Electronic address:

Towards repairing bone defects, calcium sulfate and calcium phosphate cement have been recognized as promising bone grafts. However, the current bone cements are generally lack of proper porosity for cell migration and new tissue formation. On the other hand, porous scaffold cannot be delivered by injection, which limits its use its clinical use. Read More

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Complications of intrathecal drug delivery therapy (ITDD): A retrospective study of 231 implantations between 1999 and 2014.

Clin Neurol Neurosurg 2021 Apr 2;205:106630. Epub 2021 Apr 2.

Department of Rehabilitation Medicine, Region Östergötland & Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden.

Objective: Determination of types and frequencies of complications related to ITDD therapy, and assessment of possible risk factors for such complications.

Methods: Retrospective study (1999-2014) including all ITDD-implantations at one regional center in Sweden. Descriptors comprised: sex; age; medical condition; body weight index; preoperative ASA-grade; presence of indwelling urinary catheters, feeding tubes, and/or daily urinary or anal incontinence; primary or re-implantation; type of pump and catheter; drug delivered; weekday of surgery; surgical procedure time; surgeon; experience of surgeon; surgical theater; and type of antibiotic prophylaxis. Read More

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Real-world experience with botulinum toxin A for the treatment of hemifacial spasm: A study of 1138 injections.

Clin Neurol Neurosurg 2021 Apr 2;205:106632. Epub 2021 Apr 2.

Section of Neurology, Institute for Neurosciences, St. Luke's Medical Center, Quezon City, Philippines; Movement Disorders Service and Section of Neurology, Institute for Neurosciences, St. Luke's Medical Center, Quezon City, Philippines; Department of Neurosciences, College of Medicine - Philippine General Hospital, University of the Philippines Manila, Philippines; Movement Disorders Service and Section of Neurology, Institute for Neurosciences, St. Luke's Medical Center, Global City, Philippines. Electronic address:

Background: Hemifacial spasm (HFS) is a chronic, potentially disabling disorder that often requires long-term management with botulinum toxin (BoNT). In a country where healthcare costs limit compliance to medical follow-up and treatment, the study aims to provide a real-world experience on the use of BoNT for HFS among Filipinos.

Methods: We retrospectively collected data from 162 HFS patients who received 1138 botulinum toxin (BoNT) injections from 2006 to 2019 in our movement disorders center in the Philippines. Read More

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Effect of chronic binge-like ethanol consumption on subsequent cocaine reinforcement in rhesus monkeys.

Drug Alcohol Depend 2021 Apr 10;223:108707. Epub 2021 Apr 10.

Department of Physiology & Pharmacology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, United States. Electronic address:

Background: Although most individuals with cocaine use disorder also abuse alcohol, little is known about the behavioral and pharmacological mechanisms that promote co-abuse. For example, it is unclear whether prior experience with alcohol renders individuals more sensitive to cocaine when it is subsequently experienced.

Methods: This study examined the effects of chronic ethanol consumption on subsequent cocaine reinforcement in rhesus monkeys. Read More

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Influence of sedimentary organic matter sources on the distribution characteristics and preservation status of organic carbon, nitrogen, phosphorus, and biogenic silica in the Daya Bay, northern South China Sea.

Sci Total Environ 2021 Apr 5;783:146899. Epub 2021 Apr 5.

Research Center for Coastal Environment Engineering Technology of Shandong Province, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China.

Surface sediment samples were collected from Daya Bay in October 2018, and analyzed for total organic carbon (OC), total nitrogen (TN) and their stable isotopes (δC and δN), total phosphorus (TP), biogenic silica (BSi), sediment textures and specific surface area (SSA). The primary objective was to evaluate the influence of mariculture/aquaculture on the distribution characteristics of organic matter (OM), and preservation status of OC, TN, TP, and BSi in sediments. The average δC and δN values, and OC/TN ratios were -21. Read More

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Signal transduction pathways involved in dopamine D receptor-evoked emesis in the least shrew (Cryptotis parva).

Auton Neurosci 2021 Apr 10;233:102807. Epub 2021 Apr 10.

Department of Basic Medical Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA. Electronic address:

With its five receptor subtypes (D), dopamine is implicated in a myriad of neurological illnesses. Dopamine D receptor-based agonist therapy evokes nausea and vomiting. The signaling mechanisms by which dopamine D receptors evoke vomiting remains unknown. Read More

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Caspase-3, a shrimp phosphorylated hemocytic protein is necessary to control YHV infection.

Fish Shellfish Immunol 2021 Apr 14. Epub 2021 Apr 14.

Institute of Molecular Biosciences, Mahidol University, Salaya Campus, Phutthamonthon 4 Rd, Salaya, Nakhon Pathom, 73170, Thailand. Electronic address:

By using immunohistochemistry detection, yellow head virus (YHV) was found to replicate in granule-containing hemocytes including semi-granular hemocytes (SGC) and granular hemocytes (GC) during the early phase (24 hours post injection) of YHV-infected shrimp. Higher signal of YHV infection was found in GC more than in SGC. Comparative phosphoproteomic profiles between YHV-infected and non-infected GC reveal a number of phosphoproteins with different expression levels. Read More

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Long-term functional alterations following prenatal GLP-1R activation.

Neurotoxicol Teratol 2021 Apr 14:106984. Epub 2021 Apr 14.

Department of Biomedical Sciences and Center for Brain Repair, Florida State University College of Medicine, Tallahassee, FL 32306, United States of America. Electronic address:

Evidence supporting the use of glucagon-like peptide-1 (GLP-1) analogues to pharmacologically treat disorders beyond type 2 diabetes and obesity is increasing. However, little is known about how activation of the GLP-1 receptor (GLP-1R) during pregnancy affects maternal and offspring outcomes. We treated female C57Bl/6 J mice prior to conception and throughout gestation with a long-lasting GLP-1R agonist, Exendin-4. Read More

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"COVID Arm": very delayed large injection site reactions to mRNA COVID-19 vaccines.

J Allergy Clin Immunol Pract 2021 Apr 14. Epub 2021 Apr 14.

Division of Allergy, Asthma and Immunology, Scripps Clinic, San Diego, California. Electronic address:

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The protective effect of protocatechuic acid on hepatotoxicity induced by cisplatin in mice.

Life Sci 2021 Apr 14;277:119485. Epub 2021 Apr 14.

Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt; Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, Al-Madina Al-Munawwarah 30001, Saudi Arabia. Electronic address:

Cisplatin is one of the most potent anti-cancer drugs used for the treatment of various solid tumors, yet it has several side effects that may limit its clinical use. Hepatotoxicity is one of the most serious side effects as it may lead to liver failure. Several mechanisms including oxidative stress, inflammation, and apoptosis have been examined in cisplatin-induced hepatotoxicity. Read More

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Modulation of autophagy and transient receptor potential vanilloid 4 channels by montelukast in a rat model of hemorrhagic cystitis.

Life Sci 2021 Apr 14:119507. Epub 2021 Apr 14.

Histology Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt.

Aims: Hemorrhagic cystitis (HC) is a major urotoxic complication of cyclophosphamide (CPA) therapy. This study investigated the uroprotective effect of montelukast on CPA-induced HC, compared to the efficacy of 2-mercaptoethane sulfonate sodium (MESNA).

Main Methods: Male albino rats were pretreated with MESNA (40 mg/kg/day, IP) or montelukast (10 mg/kg/day, orally) for three days then received a single dose of CPA (200 mg/kg, IP), 1 h after the last dose, and compared to CPA-treated rats receiving drug vehicle. Read More

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Long-term multimodal imaging characterization of persistent retinal neovascularization using DL-alpha-aminoadipic acid in pigmented and white rabbits.

Exp Eye Res 2021 Apr 14:108577. Epub 2021 Apr 14.

Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, MI, USA; Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA. Electronic address:

Purpose: Intravitreal (IVT) injection of DL-alpha-aminoadipic acid (AAA) is a new animal model for retinal neovascularization (RNV) reported in rabbits. This study performs longitudinal multimodal imaging for up to 1 year to evaluate DL-AAA RNV in both New Zealand white (NZW) rabbits and Dutch-Belted pigmented (DBP) rabbits.

Method: Detailed characterization and quantification of this model were performed in these two strains in 32 eyes by optical coherence tomography (OCT), fundus photography, and fluorescein angiography (FA) for up to 16 weeks following DL-AAA administration in 32 eyes and up to 52 weeks in 5 eyes. Read More

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Safety, tolerability, and immunogenicity of the respiratory syncytial virus prefusion F subunit vaccine DS-Cav1: a phase 1, randomised, open-label, dose-escalation clinical trial.

Lancet Respir Med 2021 Apr 14. Epub 2021 Apr 14.

Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA. Electronic address:

Background: Multiple active vaccination approaches have proven ineffective in reducing the substantial morbidity and mortality caused by respiratory syncytial virus (RSV) in infants and older adults (aged ≥65 years). A vaccine conferring a substantial and sustainable boost in neutralising activity is required to protect against severe RSV disease. To that end, we evaluated the safety and immunogenicity of DS-Cav1, a prefusion F subunit vaccine. Read More

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Improving memory effect correction to achieve high precision analysis of δ O, δ O δ H, O-excess and d-excess in water using cavity ring-down laser spectroscopy.

Rapid Commun Mass Spectrom 2021 Apr 17:e9108. Epub 2021 Apr 17.

CEREGE, Aix Marseille Univ, CNRS, IRD, INRA, Coll France, Aix-en-Provence, France.

Rationale: The precision obtained in routine isotope analysis of water (δ O, δ O, δ H, O-excess and d-excess values) by Cavity Ring-Down Spectroscopy is usually below the instrument specifications provided by the manufacturer. This study aimed at reducing this discrepancy, with particular attention paid to mitigating the memory effect (ME).

Methods: We used a Picarro L2140i analyzer coupled with a high-precision A0211 vaporizer and an A0325 autosampler. Read More

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Real-World Safety Outcomes of Intravitreal Ranibizumab Biosimilar (Razumab) Therapy for Chorioretinal Diseases.

Ophthalmol Ther 2021 Apr 17. Epub 2021 Apr 17.

Department of Vitreoretinal Services, Disha Eye Hospitals, Kolkata, 700120, India.

Introduction: To assess the safety profile of the intravitreal ranibizumab biosimilar molecule, Razumab (Intas Pharmaceuticals, Ahmedabad, India) in chorioretinal disorders under real-world conditions.

Methods: This was a multicenter, retrospective chart review which included patients from 15 centers receiving intravitreal Razumab (IVRz) injections from 2016 to 2020. Patient demographics, ocular examination data, and detailed safety information regarding serious adverse events (SAE) or serious adverse drug reactions (sADR), and non-serious AEs (nsAE) or non-serious ADRs (nsADR) occurring within 1 month of IVRz injections were compiled. Read More

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The effect of COVID-19 pandemic restrictions on neovascular AMD patients treated with treat-and-extend protocol.

Int Ophthalmol 2021 Apr 17. Epub 2021 Apr 17.

Department of Ophthalmology, Marmara University School of Medicine, Fevzi Çakmak Mah, Muhsin Yazıcıoğlu Cd, No: 10, Marmara Üniversitesi Pendik Eğitim ve Araştırma Hastanesi, Kat: 3, Oftalmoloji Servisi, Pendik, 34899, Istanbul, Turkey.

Purpose: To investigate the adherence rate of neovascular age-related macular degeneration (nAMD) patients in treat-and-extend (TAE) protocol to their anti-vascular endothelial growth factor (anti-VEGF) intravitreal injection (IVI) appointments and to evaluate the functional and anatomical outcomes of the patients who attended and did not attend their IVI appointments during the coronavirus disease 2019 (COVID-19) restriction period (RP).

Methods: The patients with nAMD having IVI appointments between March 16 and June 1, 2020 (RP in Turkey) were included in this retrospective study. For adherence analysis, the patients who attended (Group 1, n = 44) and who did not attend (Group 2, n = 60) their IVI appointment visits during the RP (V) were evaluated according to their last visit before the RP (V). Read More

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Immunohistochemical localization and pharmacokinetics of the anti-MRSA drug teicoplanin in rat kidney using a newly developed specific antibody.

Med Mol Morphol 2021 Apr 17. Epub 2021 Apr 17.

Department of Applied Life Science, Faculty of Biotechnology and Life Science, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto, 860-0082, Japan.

We prepared a polyclonal antibody against a teicoplanin (TEIC)-bovine serum albumin conjugate that was specific to both conjugated and free forms of TEIC. We demonstrated that this antibody could be used to detect the time-dependent localization of TEIC in rat kidneys. Immunohistochemistry revealed immunoreactivity specifically in the microvilli and apical cytoplasm of epithelial cells in proximal tubule segments S1 and S2, 1 h after intravenous TEIC injection, with higher staining intensity in the S2 segments. Read More

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Functional rice with tandemly repeated Cbl-b ubiquitin ligase inhibitory pentapeptide prevents denervation-induced muscle atrophy in vivo.

Biosci Biotechnol Biochem 2021 Apr 17. Epub 2021 Apr 17.

Faculty of Life and Environmental Science, Shimane University, Matsue, Shimane 690-8504, Japan.

Ubiquitin ligase Cbl-b play a critical role in non-loading-mediated skeletal muscle atrophy: Cbl-b ubiquitinates insulin receptor substrate-1 (IRS-1), an important insulin-like growth factor-1 signaling intermediate molecule, leading to its degradation and a resulting loss in muscle mass. We reported that intramuscular injection of a pentapeptide, DGpYMP, which acts as a mimic of the phosphorylation site in IRS-1, significantly inhibited denervation-induced skeletal muscle loss. In order to explore the possibility of the prevention of muscle atrophy by diet therapy, we examined the effects of oral administration of transgenic rice containing Cblin (Cbl-b inhibitor) peptide (DGYMP) on denervation-induced muscle mass loss in frogs. Read More

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Cardiac amyloidosis characterization by kinetic model fitting on [18F]florbetaben PET images.

J Nucl Cardiol 2021 Apr 16. Epub 2021 Apr 16.

Fondazione Toscana "G. Monasterio", Pisa, Italy.

Objective: To evaluate the feasibility of kinetic modeling-based approaches from [18F]-Flobetaben dynamic PET images as a non-invasive diagnostic method for cardiac amyloidosis (CA) and to identify the two AL- and ATTR-subtypes.

Methods And Results: Twenty-one patients with diagnoses of CA (11 patients with AL-subtype and 10 patients with ATTR-subtype of CA) and 15 Control patients with no-CA conditions underwent PET/CT imaging after [18F]Florbetaben bolus injection. A two-tissue-compartment (2TC) kinetic model was fitted to time-activity curves (TAC) obtained from left ventricle wall and left atrium cavity ROIs to estimate kinetic micro- and macro-parameters. Read More

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Healthcare beliefs, health information seeking, and healthcare setting preferences among women who inject drugs by community supervision status.

Health Justice 2021 Apr 16;9(1):10. Epub 2021 Apr 16.

Risk Communication Laboratory, Temple University College of Public Health, 1301 Cecil B. Moore Ave., Ninth Floor, Philadelphia, PA, 19122, USA.

Objective: Women on community supervision who inject drugs have significant unmet healthcare needs. However, it remains unclear how the intersection of community supervision and injection drug use influences healthcare experiences and service setting preferences. The present study examines whether the intersection of community supervision and injection drug use is associated with differences in women's healthcare beliefs, healthcare experiences, and service setting preferences. Read More

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LRTM effect and electronic crystal imaging on silicon surface.

Sci Rep 2021 Apr 16;11(1):8388. Epub 2021 Apr 16.

Institute of Nanophotonic Physics, Guizhou University, Guiyang, 550025, China.

Some interesting phenomena have been observed in the laser reflecting Talbot magnification (LRTM) effect discovered at first, in which the high-order nonlinear imaging and the plasmonic structures imaging occur. The LRTM effect images were obtained on the 1D and 2D photonic crystals fabricated by using nanosecond pulsed laser etching on silicon surface, where the high-order nonlinear imaging on the 1D and 2D photonic crystals was observed interestingly. The theory result is consistent with the experimental one, which exhibits that the suitable wave-front shape of injection beam selected in optical route can effectively enlarge the magnification rate and elevate the resolution of the Talbot image. Read More

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Central amygdala inflammation drives pain hypersensitivity and attenuates morphine analgesia in experimental autoimmune encephalomyelitis.

Pain 2021 Apr 9. Epub 2021 Apr 9.

Department of Pharmacology, University of Alberta, Edmonton, AB, Canada, T6E 2H7 Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada, T6G 2E1 Department of Anesthesiology and Pain Medicine, University of Alberta, Edmonton, AB, Canada, T6G 2G3.

Abstract: Chronic pain is a highly prevalent symptom associated with the autoimmune disorder multiple sclerosis (MS). The central nucleus of the amygdala plays a critical role in pain processing and modulation. Neuropathic pain alters nociceptive signaling in the central amygdala, contributing to pain chronicity and opioid tolerance. Read More

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Kinetic and static analysis of poly-(adenosine diphosphate-ribose) polymerase-1 (PARP-1) targeted F-FluorThanatrace (F-FTT) PET images of ovarian cancer.

J Nucl Med 2021 Apr 16. Epub 2021 Apr 16.

University of Pennsylvania, United States.

The poly-(adenosine diphosphate-ribose) polymerase (PARP) family of proteins participates in numerous functions, most notably the DNA damage response. Cancer vulnerability to DNA damage has led to development of several PARP inhibitors (PARPi). This class of drugs has demonstrated therapeutic efficacy in ovarian, breast, and prostate cancers, but with variable response. Read More

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Therapy adjustments in people with type 1 diabetes with impaired hypoglycemia awareness on multiple daily injections using real-time continuous glucose monitoring: a mechanistic analysis of the HypoDE study.

BMJ Open Diabetes Res Care 2021 Apr;9(1)

Institut für Diabetes-Technologie, Forschungs- und Entwicklungsgesellschaft mbH an der Universität Ulm, Ulm, Germany.

Introduction: Studies have shown beneficial effects of real-time continuous glucose monitoring (rtCGM) usage on clinical outcomes. The objective of this analysis was to identify which therapy adjustments were made by people with type 1 diabetes with impaired hypoglycemia awareness during rtCGM usage enabling reductions in the number of low glucose events observed in the HypoDE (Hypoglycemia in Deutschland) study.

Research Design And Methods: In the multicenter randomized controlled trial in people with type 1 diabetes on multiple daily injections with impaired hypoglycemia awareness, participants recorded their diabetes therapy in 7-day logbooks at baseline and at 6-month follow-up. Read More

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Does Tc-tilmanocept, as next generation radiotracer, meet with the requirements for improved sentinel node imaging?

Rev Esp Med Nucl Imagen Mol 2021 Apr 13. Epub 2021 Apr 13.

Sección de Medicina Nuclear & Laboratorio de Imagen Molecular Intervencionista, Departamento de Radiología, Centro Médico Universidad de Leiden, Leiden, Países Bajos; Departamento de Radiología y Medicina Nuclear, Hospital Onze Lieve Vrouwe Gasthuis, Ámsterdam, Países Bajos.

Introduction And Objectives: To evaluate the migration of Tc-tilmanocept from the injection site (IS) as well as the uptake in sentinel nodes (SNs) and non-SNs for lymphatic mapping in patients with breast cancer and melanoma, scheduled for SN biopsy after interstitial tracer administration.

Materials And Methods: For 29 primary tumours in 28 patients (mean age: 62y, range: 45-81y) scheduled for SN biopsy planar images were acquired 10 and 120 min after administration of 74 MBq Tc-tilmanocept, in order to evaluate lymphatic drainage as well as uptake ratios between injection site (IS), SN and non-SN. SPECT/CT was performed immediately after delayed planar images to enable anatomical lymph node localization. Read More

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Description of different ultrasound guided transversus abdominis plane block in pig cadavers - A pilot study.

Vet Anaesth Analg 2021 Feb 18. Epub 2021 Feb 18.

Department of Surgery and Anaesthesia of domestic animals, Faculty of Veterinary Medicine, University of Ghent, Merelbeke, Belgium.

Objective: To develop an ultrasound (US)-guided transversus abdominis plane (TAP) block in pigs.

Study Design: Prospective, descriptive, experimental study.

Animals: A total of 26 hemi-abdomens belonging to 13 Seghers Hybrid cadavers. Read More

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February 2021

Kratom Ingestion and Emergency Care: Summary and a Case Report.

Alex Hall Dora Hall

J Emerg Nurs 2021 Apr 13. Epub 2021 Apr 13.

Kratom ingestion for its psychotropic effect or to self-treat opioid withdrawal symptoms has increased over the last 10 years in the United States. Although mild adverse effects have been observed in users, reports of respiratory failure and shock after kratom consumption remain rare. In this case, a 35-year-old man initially presented to the emergency department with profound circulatory shock, metabolic acidosis, hypoxia, and symptoms of autonomic nervous system dysfunction. Read More

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The therapeutic effects of ginkgolides in Guillain-Barré syndrome and experimental autoimmune neuritis.

J Clin Neurosci 2021 May 11;87:44-49. Epub 2021 Mar 11.

Neuroscience Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China. Electronic address:

Background: Guillain-Barré syndrome (GBS) is an acquired immune-mediated inflammatory peripheral neuropathy. The immune regulation of ginkgolides have been revealed in recent years. We herein investigate the potential therapeutic effects of ginkgolides both on GBS and its animal model, experimental autoimmune neuritis (EAN). Read More

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Effects of Three Consecutive Days of Morphine or Methadone Administration on Analgesia and Open-Field Activity in Mice with Ehrlich Carcinoma.

J Am Assoc Lab Anim Sci 2021 Apr 16. Epub 2021 Apr 16.

This study assessed the exploratory behavioral responses in BALB/c mice inoculated with Ehrlich ascitic carcinoma after 3consecutive days of treatment with morphine or methadone. Fifty-three female mice, 60 ± 10 d old, were used. Seven days after intraperitoneal tumor inoculation (2 × 106 cells), the animals were randomized into 7 groups: morphine 5 mg/kg (MO5), morphine 7. Read More

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The effectiveness of PROLOTHERAPY for recalcitrant Medial TIBIAL Stress Syndrome: a prospective consecutive CASE series.

J Foot Ankle Res 2021 Apr 16;14(1):32. Epub 2021 Apr 16.

Centre for Sports and Exercise Medicine, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary, University of London, London, UK.

Background: Medial tibial stress syndrome (MTSS) is one of the most common lower leg injuries in sporting populations. It accounts for between 6 and 16% of all running injuries, and up to 53% of lower leg injuries in military recruits. Various treatment modalities are available with varying degrees of success. Read More

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