Matthew O'Connor Presenting on Underdog Pharmaceuticals at Undoing Aging 2019

Here Matthew O'Connor of the SENS Research Foundation talks about the research that led to founding of Underdog Pharmaceuticals, a biotech startup incubated by the foundation to commercialize a means of targeting 7-ketocholesterol in atherosclerosis and other conditions. Oxidized cholesterols, and largely 7-ketocholesterol, are the primary cause of dysfunction in the macrophage cells normally responsible for preventing the build up of fatty plaques in blood vessel walls. That dysfunction is the cause of atherosclerosis, and the fact that the presence of oxidized cholesterols increases with age is one of the reasons why atherosclerosis is an age-related disease, and why young people don't exhibit the plaques that narrow and weaken blood vessels. A sufficiently effective way of selectively clearing 7-ketocholesterol from the body should go a long way towards preventing and reversing atherosclerosis - and possibly other conditions as well. As noted here, there is evidence for 7-ketocholesterol to accumulate in other tissues and contribute to age-related conditions in other ways. The particular approach taken by the SENS Research Foundation scientists is to find a non-toxic molecule that selectively binds to the toxic molecule that one would like to remove, 7-ketocholesterol in this case, and deliver it to the body in volume. The bound molecules are then processed and excreted in the normal way. It will be interesting to see how the Underdog project progresses in the years...
Source: Fight Aging! - Category: Research Authors: Tags: Healthy Life Extension Community Source Type: blogs

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We report the case of a 17-year-old patient with recurrent hemorrhagic pericardial effusion, who was diagnosed with primary pericardial fibrosarcoma. However, multiple radiological examinations, including CT and [18F] FDG/PET-CT, suggested the presence of fluid and no sign of tumor. Actually, when a patient presents with recurrent hemorrhagic pericardial effusions, pericardial tumors must be taken into account as part of the differential diagnosis.
Source: Canadian Journal of Cardiology - Category: Cardiology Source Type: research
ConclusionsHistory of penicillin-associated rash (without angioedema, mucosal ulceration, or systemic involvement), more than 1 year ago, is sufficient to select a patient for a direct oral penicillin challenge. This large multicenter study demonstrates that this approach appears safe, and risk is comparable to that in other procedures being performed in primary care in Australia. The higher risk patients are more likely to benefit from skin testing. This simple risk-based delabeling strategy could potentially be used by nonallergists, leading to more efficient penicillin allergy delabeling service provision.
Source: The Journal of Allergy and Clinical Immunology: In Practice - Category: Allergy & Immunology Source Type: research
ConclusionsThe trial demonstrated a favorable safety profile of the SQ HDM SLIT tablet in Japanese adult patients with AA. The treatment appeared to be efficacious in patients requiring rescue medication (ie, short-acting β2-agonist) at baseline in the efficacy assessment using asthma exacerbation during inhaled corticosteroid reduction (JapicCTI number 121847).
Source: The Journal of Allergy and Clinical Immunology: In Practice - Category: Allergy & Immunology Source Type: research
CONCLUSIONS Our study described rare diseases in Chinese patients and our results enrich the phenotype spectrum of related diseases, as well as mutation spectrum of related genes, which might be significant for clinical disease diagnosis and prenatal diagnosis. PMID: 31603145 [PubMed - in process]
Source: Medical Science Monitor - Category: Research Tags: Med Sci Monit Source Type: research
ConclusionLower apparent density of axonal packing, but not altered axonal orientation, is a key microstructural factor in the white matter abnormalities observed in youth born with CHD. These impairments in axonal packing may be an enduring consequence of early life brain injury and dysmaturation and may explain some of the long-term neuropsychological difficulties experienced by this at-risk group.
Source: NeuroImage - Category: Neuroscience Source Type: research
Publication date: Available online 20 September 2019Source: NeuroImageAuthor(s): Laurent Chauvin, Kuldeep Kumar, Christian Wachinger, Marc Vangel, Jacques de Guise, Christian Desrosiers, William Wells, Matthew Toews, for the Alzheimer's Disease Neuroimaging InitiativeAbstractNeuroimaging studies typically adopt a common feature space for all data, which may obscure aspects of neuroanatomy only observable in subsets of a population, e.g. cortical folding patterns unique to individuals or shared by close relatives. Here, we propose to model individual variability using a distinctive keypoint signature: a set of unique, local...
Source: NeuroImage - Category: Neuroscience Source Type: research
ConclusionWe have constructed a stereotaxic template set of macaque brain named HJT, which standardizes macaque neuroimaging data analysis, supports novel radiotracer development and facilitates translational neuro-disorders research.
Source: NeuroImage - Category: Neuroscience Source Type: research
This study was conducted to evaluate the fatty acid profile, sensory properties and lipid oxidation of meat on retail display (RD) from Nellore steers (n = 96) fed diets containing soybean (SOY), sunflower (SUN), or linseed (LIN) oil or a control diet (CON). After slaughtering, samples of the Longissimus muscle were collected for sensory properties (1 day), fatty acid composition (1 day) and oxidation stability (3 days under RDC) evaluations. No differences in total lipids, cholesterol, TBARS, and total SFAs, MUFAs, PUFAs, and PUFA/SFA were observed. However, meat from animals fed vegetable oil had more CLA than ...
Source: Meat Science - Category: Food Science Source Type: research
Publication date: Available online 12 October 2019Source: Small Ruminant ResearchAuthor(s): Vladana Grabež, Milena Bjelanović, Jens Rohloff, Aleksandra Martinović, Per Berg, Vladimir Tomović, Biljana Rogić, Bjørg EgelandsdalAbstractThe aim of this study was to use a flavoromics approach to identify key compounds responsible for sensory flavor of lamb and sheep meat. The investigation was confined to volatile compounds from adipose tissue and metabolites in lean meat using headspace-gas chromatography/mass spectrometry (HS-GC/MS) and solvent extraction-GC/MS, respectively. Partial least square regression analysi...
Source: Small Ruminant Research - Category: Zoology Source Type: research
In this study, we detected for just the second time a SINV infection in a diseased wild bird (common wood pigeon) from Central Europe. SINV was isolated by cell culture and the complete SINV genome sequence was determined. Phylogenetic analyses revealed a close affiliation to SINV genotype I with a high similarity to human isolate sequences from Finland, Sweden and Russia. The isolate was genetically distinct from the first avian isolate suggesting the circulation of at least two different SINV strains in Germany.In order to reveal the infection frequency in SINV positive mosquito regions 749 bird blood samples were assaye...
Source: Veterinary Microbiology - Category: Veterinary Research Source Type: research
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