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Nathan Goodyear

Antidepressants Linked to Thicker Arteries | Woodruff Health Sciences Center | Emory Un... - 0 views

  • “I think we have to keep an open mind about the effects of antidepressants on neurochemicals like serotonin in places outside the brain
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    antidepressants linked to increased arterial thickness; We must think about the body from a dynamic perspective, not a linear one
wheelchairindia9

Leg Traction Brace - 0 views

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    Tynor Leg Traction Brace is basically designed to provide traction to the leg. It works well even on the weak or geriatric skin. It ensures proper compression of the leg and provides traction. It is made of three layered polyurethane fabric which makes it soft and comfortable to use. The innermost layer gives the required friction for faster recovery. It is augmented with hook and loop closures to make it convenient to put on and remove. It does not require any adhesion. It provides cushion like support to the leg and relieves it from pain. It also prevents the bone from getting fractured and any muscle pull. It does not cause any peeling of skin and any rash or allergy on skin. It distributes the pressure exerted on the leg evenly. Tynor Leg Traction Brace Leg traction brace is a traction halter applied to the leg for below knee traction. It offers a distinct advantage of a very large holding surface area, ease of application and removal, reuse and patient comfort. Easy application & removal. Can be used for geriatric/ weak skin. Ideal for sensitive skins. Easy monitoring. Distributes pressure evenly. Tynor Leg Traction Brace Features Three-layered PU bonded fabric offers: Soft feel and plush looks through the top layer. Comfortable cushioning through the middle Polyurethane layer. Inner layer provides good frictional characteristics. Multiple hook loop closures Ensure controlled compression. Easy application and removal No loosening, less monitoring Large skin contact area Ensures no vaso-constriction. Eliminates need of an adhesive. Convenient and quick to apply Ensures no skin peeling. Ideal for weak or geriatric skins Tynor Rib Belt Rib belt is applied to the thoracic and upper abdominal region to compress and bind the rib cage during rib fractures and postoperative care, while allowing sufficient flexibility for comfortable breathing. Extra porous. With splinting pad. No buckling or rolling over. Controlled compression
wheelchairindia9

Wrist Splint with Thumb Support - 0 views

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    Tynor Wrist & Forearm Splint Right/Left is designed to provide comfortable and firm support to the wrist as well as to the forearm. It effectively works during various orthopedic conditions. It will keep the wrist in the functional position and speed up the recovery process. It will feel comfortable and relieved after applying this wrist and forearm support. The PUF fused fabric provide comfortable and smooth feel which does not cause any rashes on the skin. It allows proper ventilation system to the skin area and also the skin to breathe properly. It has aluminum splints which are easy to remove and apply as well as offers a better grip and a snug fit. It also has long length that will permit the easy movement. This brace enables free finger movement. It has a hook loop closure system which provides optimal compression and it can easily adjust it as per the requirement. Its brace has an in-built thumb opening which keeps the thumb relaxed and free from pressure. Tynor Wrist & Forearm Splint (Right/Left) Wrist and Forearm Splint is designed to immobilize and provide firm and comfortable support to hand and wrist in various orthopedic conditions. It maintains the wrist in the functional position. Aesthetically appealing. Customizable splint. Perfect immobilization. Controlled compression. Anatomical thumb opening. Tynor Wrist & Forearm Splint (Right/Left) Features Made out of PUF fused Matty fabric Breathable Excellent aesthetics Improved comfort Enhanced life. Removable, Aluminum Splints Customized fitting Required degree of dorsi-flexion can be achieved Very good grip and immobilization Design features Long length of the brace, ensures enhanced immobilization Brace abuts the Palmer crease , allows free finger movement. Elegant tabs , allow easy application and removal Elegant tabs, also enhance the aesthetics of the product. Black Color, enhances the aethetics Hook loop closures Easy to apply and remove Ensures optimal compre
digitalorainfo

Blog - Best Wordpress Developer / Digital Marketing Agency in Atlanta, GA - 0 views

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    We don't just build a boat, we make it sail too. Our team of expert developers is adept in both front-end and back-end programming and are delivering innovative web solutions everyday.
Nathan Goodyear

NETosis and Neutrophil Extracellular Traps in COVID-19: Immunothrombosis and Beyond - PMC - 0 views

  • Pneumonia is a typical symptom of COVID-19 infection, while acute respiratory distress syndrome (ARDS) and multiple organ failure are common in severe COVID-19 patients
  • NETs are important for preventing pathogen invasion, their excessive formation can result in a slew of negative consequences, such as autoimmune inflammation and tissue damage
  • SARS-CoV-2 infection has also been linked to increased neutrophil-to-lymphocyte ratios, which is associated with disease severity and clinical prognosis
  • ...40 more annotations...
  • NETosis is a special form of programmed cell death in neutrophils, which is characterized by the extrusion of DNA, histones, and antimicrobial proteins in a web-like structure known as neutrophil extracellular traps (NETs)
    • Nathan Goodyear
       
      Definition
  • increased generation of reactive oxygen species (ROS) is a crucial intracellular process that causes NETosis
  • Another indirect route of SARS-CoV-2-induced NET production is platelet activation
  • When NETs are activated in the circulation, they can also induce hypercoagulability and thrombosis
  • In COVID-19, major NET protein cargos of NETs (i.e., NE, MPO, and histones) are significantly elevated.
  • SARS-CoV-2 can also infect host cells through noncanonical receptors such as C-type lectin receptors
  • Immunopathological manifestations, including cytokine storms and impaired adaptive immunity, are the primary drivers behind COVID-19, with neutrophil infiltration being suggested as a significant cause
  • NETosis and NETs are increasingly recognized as causes of vascular injury
  • SARS-CoV-2 and its components (e.g., spike proteins and viral RNA) attach to platelets and increase their activation and aggregation in COVID-19, resulting in vascular injury and thrombosis, both of which are linked to NET formation
    • Nathan Goodyear
       
      Connects SARS-CoV-2 to TLR on Platelets to NETosis to metastasis.
  • NET formation may be caused by activated platelets rather than SARS-CoV-2 itself
  • NETosis, leading to aberrant immunity such as cytokine storms, autoimmune disorders, and immunosuppression.
  • early bacterial coinfections were more prevalent in COVID-19 patients than those infected with other viruses
  • NETosis and NETs may also have a role in the development of post COVID-19 syndromes, including lung fibrosis, neurological disorders, tumor growth, and worsening of concomitant disease
    • Nathan Goodyear
       
      NETosis-> tumor growth
  • NETs and other by-products of NETosis have been shown to act as direct inflammation amplifiers. Hyperinflammation
  • “cytokine storm”
  • SARS-CoV-2 drives NETosis and NET formation to allow for the release of free DNA and by-products (e.g., elastases and histones). This may trigger surrounding macrophages and endothelial cells to secrete excessive proinflammatory cytokines and chemokines, which, in turn, enhance NET formation and form a positive feedback of cytokine storms in COVID-19
    • Nathan Goodyear
       
      Cycle of hyperinflammation
  • NET release enables self-antigen exposure and autoantibody production, thereby increasing the autoinflammatory response
  • patients with COVID-19 who have higher anti-NET antibodies are more likely to be detected with positive autoantibodies [e.g., antinuclear antibodies (ANA) and anti-neutrophil cytoplasmic antibodies (ANCA)]
  • COVID-19 NETs may act as potential inducers for autoimmune responses
  • have weakened adaptive immunity as well as a high level of inflammation
    • Nathan Goodyear
       
      Immunomodulation
  • tumor-associated NETosis and NETs promote an immunosuppressive environment in which anti-tumor immunity is compromised
  • NETs have also been shown to enhance macrophage pyroptosis in sepsis
  • facilitating an immunosuppressive microenvironment
  • persistent immunosuppression may result in bacterial co-infection or secondary infection
  • can enhance this process by interacting with neutrophils through toll-like receptor 4 (TLR4), platelet factor 4 (PF4), and extracellular vesicle-dependent processes
  • NET-induced immunosuppression in COVID-19 in the context of co-existing bacterial infection
  • Following initial onset of COVID-19, an estimated 50% or more of COVID-19 survivors may develop multi-organ problems (e.g., pulmonary dysfunction and neurologic impairment) or have worsening concomitant chronic illness
  • NETs in the bronchoalveolar lavage fluid of severe COVID-19 patients cause EMT in lung epithelial cells
  • decreased E-cadherin (an epithelial marker) expression
    • Nathan Goodyear
       
      Leads to emt
  • COVID-19 also has a long-term influence on tumor progression
  • Patients with tumors have been shown to be more vulnerable to SARS-CoV-2 infection and subsequent development of severe COVID-19
  • patients who have recovered from COVID-19 may have an increased risk of developing cancer or of cancer progression and metastasis
  • awaken cancer cells
  • NETs have been shown to change the tumor microenvironment
  • enhance tumor progression and metastasis
  • vitamin C has been tested in phase 2 clinical trials aimed at reducing COVID-19-associated mortality by reducing excessive activation of the inflammatory response
  • vitamin C is an antioxidant that significantly attenuates PMA-induced NETosis in healthy neutrophils by scavenging ROS
  • vitamin C may also inhibit NETosis and NET production in COVID-19
  • Metformin
  • Vitamin C
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    NETosis intimately involved in progressive COVID, long COVID, autoimmunity, and cancer
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