Fight Aging! Newsletter, February 17th 2020

Discussion of the Evolutionary Genetics of Aging Thymic Involution Contributes to Immunosenescence and Inflammaging The Potential for Exosome Therapies to Treat Sarcopenia Correlations of Mitochondrial DNA Copy Number and Epigenetic Age Measures Evidence for PASK Deficiency to Reduce the Impact of Aging in Mice The Aging Retina, a Mirror of the Aging Brain Evidence for Loss of Capillary Density to be Important in Heart Disease Aspects of Immune System Aging Proceed More Rapidly in Men Deacetylation of the NLRP3 Inflammasome as a Way to Control Chronic Inflammation Transplantation of Senescent Cells is an Issue in First Generation Stem Cell Therapies Transplantation of Young Bone Marrow into Old Mice Produces Systemic Benefits Notes on the 2020 Longevity Therapeutics Conference in San Francisco https://www.fightaging.org/archives/2020/02/notes-on-the-2020-longevity-therapeutics-conference-in-san-francisco/ I recently attended the 2020 Longevity Therapeutics conference in San Francisco. I presented on the work ongoing at Repair Biotechnologies, but as is usually the case the more important parts of the visit took place outside the bounds of the conference proper. Longevity Therapeutics is one of the four or five core conferences for the longevity industry, at which you'll meet many of the early participants - a mix of scientists, entrepreneurs, and investors, and patient advocates. As such, most of the conference goers have already seen my u...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs

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Publication date: Available online 5 April 2020Source: Aggression and Violent BehaviorAuthor(s): Alison Datoc, Kirsten Horne, Charles Golden
Source: Aggression and Violent Behavior - Category: Psychiatry & Psychology Source Type: research
Conclusion. In this consecutive case series we performed 231 ADRs in 147 patients in the outpatient setting, including multilevel and revision procedures, with 2 minor postoperative complications resulting in hospital unplanned admissions within 90 days. We believe that these procedures are safe to perform in an ASC. An efficient surgical team and careful patient selection criteria are critical in making this possible. Level of Evidence: 3
Source: Spine - Category: Orthopaedics Tags: CLINICAL CASE SERIES Source Type: research
Conclusion. Spinal infection in the presence of liver cirrhosis is challenging. The rate epidural abscess formation is relatively high. Early diagnosis remains the main cornerstone in the management and the indication for surgery should be carefully considered. Minimally invasive techniques should be used when possible to minimize complication rate, and higher amounts of intraoperative blood loss should be expected. Level of Evidence: 4
Source: Spine - Category: Orthopaedics Tags: CLINICAL CASE SERIES Source Type: research
Conclusions. Multiple factors were associated with a significantly increased risk of VFX compared with NVFX. Understanding the risk factors unique to fragility VFX is a critical component for targeting “at-risk” patients and preventing future osteoporosis-related fractures and their consequences. Level of Evidence: 4
Source: Spine - Category: Orthopaedics Tags: EPIDEMIOLOGY Source Type: research
Conclusion. The results of this study yield further support for the importance of rapid functional improvements during a PT episode of care. In addition, patients demonstrated roughly two-thirds of their improvement in the first 40% of visits regardless of their symptom duration. This study may help clinicians identify a need to modify a plan of care if insufficient early improvement is observed. Level of Evidence: 3
Source: Spine - Category: Orthopaedics Tags: HEALTH SERVICES RESEARCH Source Type: research
Study Design. A prospective cross-sectional study. Objective. To evaluate the prevalence of sacroiliac joint dysfunction in patients with lumbar disc hernia and examine the variations in clinical parameters cause by this combination. Summary of Background Data. Although one of the many agents leading to lumbar pain is sacroiliac dysfunction, little progress has still been made to evaluate mechanical pain from sacroiliac joint dysfunction within the context of differential diagnosis of lumbar pain. Methods. Two hundred thirty-four patients already diagnosed with lumbar disc hernia were included in the study. Duri...
Source: Spine - Category: Orthopaedics Tags: HEALTH SERVICES RESEARCH Source Type: research
This study aims to assess the impact of miR-149 rs2292832 C/T polymorphism and miR-149-5p expressions in cytotoxic effect of temozolomide against glioma cells. A total of 137 cases of glioma patients and 21 healthy cases were enrolled in this study for clinical research. We found that miR-149-5p was significantly downregulated in glioma cell lines and in blood leukocyte of glioma patients. Furthermore, miR-149 rs2292832 C/T polymorphism was significantly associated with glioma prognosis and temozolomide resistance. Subsequently, the glioma cell lines stable transfected with common miR-149 expression construct (miR-149-T) a...
Source: NeuroReport - Category: Neurology Tags: Integrative Systems Source Type: research
Onjisaponin B (OB) is the main active ingredient of the traditional Chinese medicinal herb polygala, which is effective against neurodegenerative disorders. However, the target of OB is currently unknown. Neuroinflammation and oxidative stress are both risk factors for the pathogenesis and progression of Parkinson’s disease (PD). Here, we used a 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced subacute mouse model of PD to explore the efficacy and neuroprotective mechanism of OB in PD. Immunohistochemistry was used to mark dopaminergic (DA) neurons and microglia in the substantia nigra pars compact. Admini...
Source: NeuroReport - Category: Neurology Tags: Degeneration and Repair Source Type: research
It has been found that hypothalamus helps to control aging, and hypothalamus-driven programmatic aging is associated with nuclear factor-κB (NF-κB)-mediated decrease of gonadotropin-releasing hormone (GnRH). However, the molecular mechanism(s) underlying aging-associated hypothalamic GnRH decline are largely unknown. Forkhead box O (FOXO), a family of transcription factors, has been demonstrated to be associated with aging. GnRH neuronal cell line GT1-7 was used in this study to determine whether FOXO1 was involved in tumor necrosis factor α (TNF-α)-induced decrease of GnRH. Our data showed that FOX...
Source: NeuroReport - Category: Neurology Tags: Degeneration and Repair Source Type: research
Progranulin (PGRN) is a glycoprotein that is widely expressed among organs, including the central nervous system. PGRN insufficiency is involved in various neurodegenerative disorders such as frontotemporal dementia, Alzheimer’s disease, and neuronal ceroid lipofuscinosis. One of the major causes of neuronal damage is hyperactivation of the cerebrum triggered by upregulation of excitatory systems. In the present study, we examined the possible involvement of PGRN in modulating excitability of the cerebrum using wild type and PGRN-deficient mice. First, we treated wild type and PGRN-deficient mice with seizure-inducib...
Source: NeuroReport - Category: Neurology Tags: Degeneration and Repair Source Type: research
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