Lara C. Pullen, PhD, is a medical writer with a PhD in microbiology/immunology from Northwestern University’s Feinberg School of Medicine. As a medical writer she has covered topics as diverse as diabetes, cardiovascular disease, and autism. Her favorite subject, however, is the role of the immune system in health and disease. Dr. Pullen is also the mother of three children, the youngest of whom has Prader-Willi Syndrome (PWS). She is an active member of the PWS community and a thought leader on the importance of the ketogenic diet for this patient population.
New research highlights the current geographic areas of Ontario, Canada, associated with Lyme disease and the presence of Ixodes scapularis. The study found the ticks are expanding their range at a rate of 46–55 km/year, with several sites showing the presence of Borrelia burgdorferi, which causes Lyme disease. These findings may help target public health interventions in the areas at greatest risk…
A recently published study gives new insight into an innovative approach to treating patients with severe scleroderma and internal organ involvement. During the six-year study, researchers demonstrated the durability of the beneficial effects of stem cell transplantation in this patient population. Their data also suggest the treatment has the potential to renormalize the autoreactive immune system…
Research suggests prednisone treatment can selectively modulate the signatures of regulatory T (Treg) cells, eosinophils and neutrophils in patients with IgG4-related disease. The results show IgG4-related disease may result from an imbalance of immune and inflammatory cells…
New research from the CDC evaluated the prevalence of healthcare provider counseling for physical activity as a management strategy for arthritis. Researchers found that although healthcare provider counseling for exercise has increased during the past decade, 40% of patients with arthritis do not receive this counseling, resulting in a greater prevalence of physical inactivity for this patient population…
Recent research investigated the progression and characteristics of Sjögren’s syndrome using mice engineered to lack special genome organizing AT-rich sequence binding protein-1 (SATB1). These mice proved to be a novel model for Sjögren’s syndrome and revealed T cell-dominant immune cell infiltration of the salivary glands. Over time, the frequency of B cells gradually increased, as well as the levels of anti-SSA and anti-SSB antibodies…
A recent study has shed light on the role of circulating microRNAs (miRNAs) in SLE pathogenesis. In particular, patients with lupus nephritis have an abundance of 24 miRNAs, many of which play a role in regulatory feedback loops…
Innate lymphoid cells (ILCs) in the joints of patients may drive the pathology of spondyloarthritis through the production of granulocyte colony-stimulating factor (GM-CSF). A recent study found that both GM-CSF-producing CD4 T cells and the GM-CSF+ Th17 cells expressed high levels of GPR65—indicating that both GM-CSF and GPR65 may be therapeutic targets for spondyloarthritis…
A recent U.K. study assessed the use of the Perrin technique to diagnose chronic fatigue syndrome based on five physical signs of disease. Overall, researchers found the accuracy of diagnosis by allied health professionals was highest when using tests for only two signs: tender coelic plexus and postural/mechanical disturbances of the thoracic spine…
In a 78-week study examining the interchangeability of infliximab with the biosimilar SB2, the treatments demonstrated long-term efficacy, safety and immunogenicity in patients with rheumatoid arthritis. Across all the study’s treatment groups, patients had similar treatment response rates, and the long-term clinical profile of SB2 was comparable with infliximab…
The peripheral blood mononuclear cells (PBMCs) of patients with chronic fatigue syndrome (CFS) may be unable to meet certain energetic demands, according to a U.K. study. Researchers found that PBMCs in healthy individuals may adapt to environmental stressors by enhancing their ability to increase ATP production through mitochondrial respiration, but not in patients with CFS…