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Topic Review
Biological Links between Aging and Frailty
The life expectancy of the global population has increased. Aging is a natural physiological process that poses major challenges in an increasingly long-lived and frail population. Several molecular mechanisms are involved in aging.
  • 264
  • 15 Mar 2023
Topic Review
Oncogenic Potential of SARS-CoV-2
The relationship between viral infections and the risk of developing cancer is well known. Multiple mechanisms participate in and determine this process. The COVID-19 pandemic caused by the SARS-CoV-2 virus has resulted in the deaths of millions of people worldwide.
  • 565
  • 14 Mar 2023
Topic Review
Molecular Hydrogen into the Body
It is known that molecular hydrogen is a relatively stable, ubiquitous gas that is a minor component of the atmosphere. At the same time, molecular hydrogen has been shown to have diverse biological effects. By the end of 2022, more than 2000 articles have been published in the field of hydrogen medicine, many of which are original studies.
  • 637
  • 10 Mar 2023
Topic Review
Cholesterol Remnants
Randomized clinical trials with statins and other lipid-lowering drugs have shown the presence of a “residual cardiovascular risk” in those treated to “target” for LDL-cholesterol. This risk is mainly associated to lipid components other than LDL and in particular to remnant cholesterol (RC) and to lipoproteins rich in triglycerides in fasting and non-fasting conditions. Remnant lipoproteins and inflammation, as well as LP (a), are causally related to risk of ACVD in individuals already treated with statin therapyremnant lipoproteins and inflammation, as well as LP (a), are causally related to risk of ACVD in individuals already treated with statin therapyremnant lipoproteins and inflammation, as well as LP (a), are causally related to risk of ACVD in individuals already treated with statin therapy.
  • 283
  • 10 Mar 2023
Topic Review
Western Diet, Insulin/IGF-I Signaling Pathway and Metabolic Syndrome
The metabolic syndrome is a cluster of overlapping conditions resulting in an increased incidence of type 2 diabetes, cardiovascular disease, and cancer. In the last few decades, prevalence of the metabolic syndrome in the Western world has reached epidemic proportions and this is likely due to alterations in diet and the environment as well as decreased physical activity. The Western diet and lifestyle (Westernization) plays an important etiological role in the pathogenesis of the metabolic syndrome  by exerting negative effects on activity of the insulin–insulin-like growth factor-I (insulin–IGF-I) system. Interventions that normalize/reduce activity of the insulin–IGF-I system may play a key role in the prevention and treatment of the metabolic syndrome. For successful prevention, limitation, and treatment of the metabolic syndrome, the focus should be primarily on changing our diets and lifestyle in accordance with our genetic make-up, formed in adaptation to Paleolithic diets and lifestyles during a period of several million years of human evolution.
  • 684
  • 03 Mar 2023
Topic Review
Cerebral/Renal Salt Wasting in Hyponatremia
There is a tendency to treat all patients with hyponatremia because of common subtle symptoms that include unsteady gait that lead to increased falls and bone fractures and can progress to mental confusion, irritability, seizures, coma and even death. There is a new approach that is superior to the ineffectual volume approach. Determination of fractional excretion (FE) of urate has simplified the diagnosis of a reset osmostat, Addison’s disease, edematous causes such as congestive heart failure, cirrhosis and nephrosis, volume depletion from extrarenal salt losses with normal renal tubular function and the difficult task of differentiating the syndrome of inappropriate secretion of antidiuretic hormone (SIADH) from cerebral/renal salt wasting (C/RSW). SIADH and C/RSW have identical clinical and laboratory parameters but have diametrically opposite therapeutic goals of water-restricting water-loaded patients with SIADH or administering salt water to dehydrated patients with C/RSW.
  • 407
  • 27 Feb 2023
Topic Review
Magnesium and COVID-19
Magnesium is the fourth most common mineral in the human body and the second richest intracellular cation. This element is necessary for many physiological reactions, especially in the cardiovascular and respiratory systems. COVID-19 is an infectious disease caused by SARS-CoV-2. The majority of people who become ill as a result of COVID-19 have mild-to-moderate symptoms and recover without specific treatment. Moreover, there are people who develop severe forms of COVID-19, which require highly specialized medical assistance. Magnesium deficiency may play a role in the pathophysiology of infection with SARS-CoV-2. The primary manifestation of COVID-19 remains respiratory, but the virus can spread to other organs and tissues, complicating the clinical picture and culminating in multiorgan failure. The key mechanisms involved in the disease include direct viral cytotoxicity, endothelial dysfunction, and exaggerated release of inflammatory cytokines. 
  • 941
  • 24 Feb 2023
Topic Review
Inflammation and Hemorrhage/Coagulation in Primary Blast Lung Injury
Primary blast lung injury (PBLI), caused by exposure to high-intensity pressure waves from explosions in war, terrorist attacks, industrial production, and life explosions, is associated with pulmonary parenchymal tissue injury and severe ventilation insufficiency. PBLI patients, characterized by diffused intra-alveolar destruction, including hemorrhage and inflammation, might deteriorate into acute respiratory distress syndrome (ARDS) with high mortality. 
  • 382
  • 17 Feb 2023
Topic Review
The Role of Biomarkers in Adrenocortical Carcinoma
Adrenocortical carcinoma (ACC) is a rare endocrine malignancy arising from the adrenal cortex often with unexpected biological behavior. It can occur at any age, with two peaks of incidence: in the first and between fifth and seventh decades of life. Although ACC are mostly hormonally active, precursors and metabolites, rather than end products of steroidogenesis are produced by dedifferentiated and immature malignant cells.
  • 384
  • 16 Feb 2023
Topic Review
Stages in the Evolution of Kidney Damage
Acute kidney injury (AKI) is a major clinical problem associated with increased morbidity and mortality. Despite intensive research, the clinical outcome remains poor, and apart from supportive therapy, no other specific therapy exists. Furthermore, acute kidney injury increases the risk of developing chronic kidney disease (CKD) and end-stage renal disease. 
  • 361
  • 13 Feb 2023
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