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Although C57BL/KsJ db/db mice, an animal model of non-insulin-dependent diabetes mellitus (NIDDM), develop T lymphopenia in association with the progression of NIDDM, the T lymphopenia has not been fully investigated. In this study, to elucidate how and why T lymphopenia develops in db/db mice,
One of the long-term consequences of Type I diabetes is weight loss with muscle atrophy, the hallmark phenotype of cachexia. A number of disorders that result in cachexia are associated with immune deficiency. However, whether immune deficiency is a cause or an effect of cachexia is not known. This
Lymphopenia-induced proliferation (LIP), a mechanism to maintain a constant number of T cells in circulation, occurs in both normal aging and autoimmune disease. The incidence of most autoimmune diseases increases with age, and premature CD4(+) T cell aging has been reported in several autoimmune
Although obese animals are more susceptible to infection, the underlying causes are not fully known. In this study, long-term measurements were made of lymphocyte subsets in peripheral blood, spleen, and thymus in genetically obese Zucker (fa/fa) rats. Blastogenic response of splenocytes to mitogens
Patients with long-standing diabetes may have a propensity for infection-related mortality. In this study, lymphocyte subsets, the proliferative response of splenocytes to mitogens, and circulating levels of tumor necrosis factor alpha (TNF-alpha) in genetically obese-diabetic Wistar fatty (fa/fa)
Lymphopenia-induced homeostatic expansion in non-obese diabetic (NOD) mice may lead to autoimmunity. We demonstrated that NOD lymphocytes are more susceptible to apoptosis than those of non-diabetic C57BL/6 or NOD.H2(h4) mice in vivo and in vitro, which may be an underlying mechanism causing
The objective of the present study was to determine whether sleep deprivation (SD) would promote changes in lymphocyte numbers in a type 1 diabetes model (non-obese diabetic, NOD, mouse strain) and to determine whether SD would affect female and male NOD compared to Swiss mice. The number of
Converging data suggest an important role for IL-7 in T lymphocyte maturation as illustrated by the severe T lymphopenia observed in IL-7-deficient mice. We recently reported that IL-7 preferentially promotes the in vitro expansion of a discrete MHC class I-dependent lymphocyte subset comprising
Nitrogen balance in six obese adolescent boys and three obese girls was studied during two nonconsecutive three-week dietary periods. Protein intake was based on an ideal body weight calculated from the measurement of total body water. The diets consisted of 1.5 gm meat protein/kg IBW/day plus 1.0
We evaluated the impact of maximal exercise on oxidative stress and DNA damage in peripheral blood mononuclear cells (PBMC) from sedentary and exercised lean and obese men. PBMC were collected before, immediately and 1-h after exercise and exposed to hydrogen peroxide (H2O2; 25
Preliminary trials have suggested possible hypoglycaemic, hypolipidaemic and immunomodulatory properties of the fenugreek plant. Here, we evaluated and compared the efficacy of Egyptian fenugreek seed powder (FSP, 0·5 and 1·0 g/kg body weight) in alleviating the experimentally induced metabolic
Cardiovascular complications are a major cause of morbidity and mortality in patients with diabetes, obesity and the metabolic syndrome. Recently, there has been an increasing interest in tea as a protective agent against CVD. Here, we compared the modulatory effects of two different doses (50 and
Recent reports have shown a strong association between obesity and the severity of COVID-19 infection, even in the absence of other comorbidities. After infecting the host cells, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) may cause a hyperinflammatory reaction through the excessive
COVID-19, caused by SARS-CoV-2, is characterized by pneumonia, lymphopenia, exhausted lymphocytes and a cytokine storm. Several reports from around the world have identified obesity and severe obesity as one of the strongest risk factors for COVID-19 hospitalization and mechanical ventilation.
Hirsutism is a common medical presentation to family physicians, internists and endocrinologists. Although the cause is commonly benign, a more serious or life-threatening one should not be missed. Here we report a 58-year-old woman, assessed for hirsutism and 15-pound weight gain, with associated