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PubMed Journals Articles About "John Laboratory Loading Control Antibodies" RSS

18:36 EST 19th February 2020 | BioPortfolio

John Laboratory Loading Control Antibodies PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest John Laboratory Loading Control Antibodies articles that have been published worldwide.

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Showing "John Laboratory loading control antibodies" PubMed Articles 1–25 of 21,000+

Fluorescent Western Blotting: High Sensitivity Detection of Multiple Targets.

Western blotting with fluorescence detection offers the possibility of detecting multiple targets simultaneously on a single blot. Primary antibodies are increasingly available from multiple hosts, and there are now a wide variety of dye labels to exploit multiple imaging channels. If primary and secondary antibodies are selected so that individual targets can be discriminated, multiple antigens can be detected and quantified in a single experiment. Current fluorescence imaging instrumentation offers multip...


Use of trypsin in serologic investigation.

Trypsin is an enzyme first discovered in the quest to increase the detection of newly found Rh antibodies. Because of the crude source of trypsin and challenges in its consistency in test conditions, additional enzymes and chemical treatments were devised as alternative sources to enhance the detection of antibodies. The key to successful trypsin treatment starts with reagent preparation. Optimal testing conditions should be determined with each batch of trypsin prepared. As in all enzyme treatments, qualit...

Obituary: Professor John Barr Cavanagh 1921-2019.

Sadly, John Cavanagh died at the age of 98 on October 15, 2019; his life and achievements were celebrated at his funeral on November 6, 2019 by members of his family, friends and colleagues. John was a founding member of the British Neuropathological Society, which he ardently supported throughout his professional life and in retirement.


Antibody glycosylation: impact on antibody drug characteristics and quality control.

Glycosylation is a common post-translational modification that occurs during the production of antibodies. Glycans attached to antibodies play an important role in the pharmacokinetics, efficacy, and safety of therapeutic antibodies. In the modern antibody industry, it is important to adjust and control glycosylation modifications. The formation of specific sugar structures via glycosylation engineering is constantly evolving. This review summarizes the recent progress in glycosylation modifications, as wel...

Bone adaptation: safety factors and load predictability in shaping skeletal form.

John Currey published extensively on skeletal adaptation in relation to the mechanical functions that bones serve, specifically how bone adapts to mechanical loading during an individual's lifetime as well as over evolutionary time. Although controlled loading in animal models allows us to observe short-term bone adaptation (epigenetic mechanobiology), examining an assemblage of extant vertebrate bones or a group of fossils' bony structures can reveal the combined effects of long-term trends in loading hist...

Influence of St. John's Wort on Intravenous Fentanyl Pharmacokinetics, Pharmacodynamics, and Clinical Effects: A Randomized Clinical Trial.

The popular herbal medicine, St. John's wort, is a potent inducer of several cytochrome P450 enzymes, including CYP3A4, which plays a role in the metabolism of fentanyl. St. John's wort may also influence the expression of P-glycoprotein, which can alter the movement of drugs across the blood-brain barrier.

Opportunities and Challenges for Antibodies against Intracellular Antigens.

Therapeutic antibodies are one most significant advances in immunotherapy, the development of antibodies against disease-associated MHC-peptide complexes led to the introduction of TCR-like antibodies. TCR-like antibodies combine the recognition of intracellular proteins with the therapeutic potency and versatility of monoclonal antibodies (mAb), offering an unparalleled opportunity to expand the repertoire of therapeutic antibodies available to treat diseases like cancer. This review details the current st...

Injection of Antibodies against Immunodominant Epitopes Tunes Germinal Centers to Generate Broadly Neutralizing Antibodies.

Broadly neutralizing antibodies are crucial for the control of many life-threatening viral infections like HIV, influenza, or hepatitis. Their induction is a prime goal in vaccine research. Using computer simulations, we identify strategies to promote the generation of broadly neutralizing antibodies in natural germinal center (GC) reactions. The simulations predict a feedback loop based on antibodies and memory B cells from previous GC reactions that promotes GCs to focus on new epitopes. Memory-derived or...

The impact of cryoprotective media on cryopreservation of cells using loading trehalose.

The purpose of the present study was to assess the impact of cryoprotective media on cryopreservation of Paesun cells using loading trehalose. 30 mM trehalose was added after confluence of cells, and cultures were further incubated for 18 h at 37 °C. Cryoprotective media was "Cryocool" for the experiment, while MEM containing 10% FBS for the control. After thawing, these cells were examined with assaying the percentage of viable cells and the recovery rate; 89.2 ± 1.4% and 78.8 ± 3.2%, resp...

Can we use structural knowledge to design a protective vaccine against HIV-1?

HIV/AIDS remains one of the most important current threats to global public health. Since its identification in the early 1980s, at least 75 million people have been infected with HIV-1, the virus that causes AIDS. Although anti-retroviral drugs are effective at prolonging life after infection in the developed world, they are associated with significant side effects and are not in widespread use in the developing world. The best way to control the AIDS epidemic would be a vaccine that protects against infec...

Refractory epilepsy associated with anti-ribosomal P antibodies successfully treated with topiramate.

We report the case of a 25-year-old woman who developed temporal lobe epilepsy associated with systemic lupus erythematosus (SLE). Serum and cerebrospinal fluid samples showed high titers of anti-ribosomal P (anti-P) antibodies with negative anti-NMDAR antibodies. She was receiving prednisone and azathioprine, with normalization of SLE serum markers, but without changes in titers of anti-P antibodies. No seizure control was achieved using valproic acid, levetiracetam and lamotrigine. However, she had a sele...

Comparison of the New, Rapid, and Fully Automated Kryptor TSH receptor Antibodies Assay (B.R.A.H.M.S.) with the Radioimmunological Assay (B.R.A.H.M.S.).

Radioimmunoassays, which are often not automated and time-consuming, are gradually being re-placed in medical laboratories by non-radioactive methods that need to be evaluated. The purpose was to compare the measurement of thyroid-stimulating hormone receptor antibodies (TRAb) by the new Brahms' kit using Kryptor TRACE technology and the Brahms' radioimmunoassay.

Laboratory animal welfare and human attitudes: A cross-sectional survey on heterospecific play or "rat tickling".

Laboratory rat welfare is critically influenced by laboratory animal personnel through their implementation, or lack of implementation, of various enrichment techniques. One such promising technique is heterospecific play, or "rat tickling", which mimics aspects of rat rough-and-tumble play and can contribute to improving welfare, but may be infrequently implemented. The theory of planned behavior can be used to study implementation by measuring intentions and beliefs about rat tickling, including behaviora...

Antibody responses to flagellin C and Streptococcus gallolyticus pilus proteins in colorectal cancer.

Antibodies to Streptococcus gallolyticus subspecies gallolyticus (SGG) have been associated with colorectal cancer (CRC). Because SGG may correlate with impaired gut epithelia, we assessed the association of antibodies to bacterial flagellin C (FliC), a measure potentially related to this impairment, with CRC and the CRC-specific interaction with antibodies to SGG proteins. Antibodies to FliC and SGG pilus proteins Gallo2178 and Gallo2179 were measured in two independent studies, a combined study from Nijme...

Maternal antibodies against influenza in cord blood and protection against laboratory-confirmed influenza in infants.

Studies that correlate maternal antibodies with protection from influenza A or B virus infection in young infants in areas with prolonged influenza circulation are lacking.

Clinical performance of automated chemiluminescent methods for anticardiolipin and anti-β2-glycoprotein I antibodies detection in a large cohort of Chinese patients with antiphospholipid syndrome.

To assess the clinical performance and correlations of automated chemiluminescence assay (CIA) and enzyme-linked immunosorbent assay (ELISA) for detecting antiphospholipid (aPL) antibodies in the diagnosis of antiphospholipid syndrome (APS).

Introduction of quality management in a National Reference Laboratory in Germany.

High quality diagnostic services are crucial for tuberculosis (TB) diagnosis, treatment and control. A strong laboratory quality management system (QMS) is critical to ensuring the quality of testing and results. Recent initiatives to improve TB laboratory quality have focused on low and middle-income countries, but similar issues also apply to high-income countries.

An evaluation of different Cripto-1 antibodies and their variable results.

Cripto-1 is a protein expressed during embryonal development and has been linked to several malignant processes in cancer. Since the discovery of cripto-1 in the late 1980s, it has become a subject of biomarker investigation in several types of cancer which in many cases relies on immunolocalization of cripto-1 using antibodies. Investigating cripto-1 expression and localization in primary glioblastoma cells, we discovered nonspecific binding of cripto-1 antibody to the extracellular matrix Geltrex. A panel...

Antibodies against the erythroferrone N-terminal domain prevent hepcidin suppression and ameliorate murine thalassemia.

Erythroferrone (ERFE) is produced by erythroblasts in response to erythropoietin (EPO) and acts in the liver to prevent hepcidin stimulation by BMP6. Hepcidin suppression allows for the mobilization of iron to the bone marrow for the production of red blood cells. Aberrantly high circulating ERFE in conditions of stress erythropoiesis, such as in patients with β-thalassemia, promotes the tissue iron accumulation that substantially contributes to morbidity in these patients. Here we developed antibodies aga...

Recommendation for performance verification of patient-based real-time quality control.

Patient-based real-time quality control (PBRTQC) is a laboratory tool for monitoring the performance of the testing process. It includes well-established procedures like Bull's algorithm, average of nomals, moving median, moving average (MA) and exponentially (weighted) MAs. Following the setup and optimization processes, a key step prior to the routine implementation of PBRTQC is the verification and documentation of the performance of the PBRTQC as part of the laboratory quality system. This verification ...

Salt loading in MOFs: solvent-free and solvent-assisted loading of NHNO and LiNO in UiO-66.

While the loading of liquid or solid materials in the pores of metal-organic frameworks (MOFs) can yield composite materials with novel and useful emergent properties, the loading of solids, and ionic solids in particular, can be challenging. We report the loading of the salts NH4NO3 and LiNO3 in the MOF UiO-66. The relatively low-melting NH4NO3 is loaded in UiO-66 in a solvent-free method, and loading is complete in 8 h at 75 °C, far below the melting point of NH4NO3. The higher-melting LiNO3 requires a s...

Correction: 4'-Guanidinium-modified siRNA: a molecular tool to control RNAi activity through RISC priming and selective antisense strand loading.

Correction for '4'-Guanidinium-modified siRNA: a molecular tool to control RNAi activity through RISC priming and selective antisense strand loading' by Ganesh N. Nawale et al., Chem. Commun., 2019, 55, 9112-9115.

Effects of Long-Term Sclerostin Deficiency on Trabecular Bone Mass and Adaption to Limb Loading Differ in Male and Female Mice.

A new therapeutic option to treat osteoporosis is focused on Wnt signaling and its inhibitor sclerostin, a product of the Sost gene. In this work, we study the effect of sclerostin deficiency on trabecular bone formation and resorption in male and female mice and whether it affects mechano-responsiveness. Male and female 10- and 26-week-old Sost knockout (KO) and littermate controls (LCs) were subjected to in vivo mechanical loading of the left tibia for 2 weeks. The right tibia served as internal control....

Alarmed by misleading interference in free T3 and free T4 assays: a new case of anti-streptavidin antibodies.

Engineering Stability, Viscosity, and Immunogenicity of Antibodies by Computational Design.

In recent years, computational methods have garnered much attention in protein engineering. A large number of computational methods have been developed to analyze the sequences and structures of proteins and have been used to predict the various properties. Antibodies are one of the emergent protein therapeutics, and thus methods to control their physicochemical properties are highly desirable. However, despite the tremendous efforts of past decades, computational methods to predict the physicochemical prop...


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