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Biography
Alexander O. Shpakov
Alexander O. Shpakov is a Professor of Biochemistry at the I.M. Sechenov Institute of Evolutionary Physiology and Biochemistry (IEPB), Russian Academy of Sciences, in Saint-Petersburg, Russia. He was born in 1963 at Leningrad in Russia. He received his Master of Science degree in Bioorganic Chemistry in 1987 from the Leningrad State University, Russia, and his PhD degree in Biochemistry in 1996
  • 396
  • 23 Aug 2023
Topic Review
Role of β-Lactams in Management of Anaerobic Infections
Anaerobic bacteria are normal inhabitants of the human commensal microbiota and play an important role in various human infections. β-lactam antibiotics are considered one of the drugs of choice in the management of anaerobic infections. This is due to their broad spectrum of activity, low toxicity, and continued efficacy against almost all anaerobic species, especially when used in combination with β-lactam/β-lactamase inhibitors (BL/BLI) or carbapenems.
  • 300
  • 23 Aug 2023
Topic Review
Genetic Factors Related to N-Methyl-D-Aspartate Receptors Dysfunction
Attention deficit hyperactivity disorder (ADHD) is one of the most common neurodevelopmental disorders, although the aetiology of ADHD is not yet understood. One proposed theory for developing ADHD is N-methyl-D-aspartate receptors (NMDARs) dysfunction. NMDARs are involved in regulating synaptic plasticity and memory function in the brain. Abnormal expression or polymorphism of some genes associated with ADHD results in NMDAR dysfunction.
  • 344
  • 23 Aug 2023
Topic Review
Blood Flow Imaging Technology Based on Fluid Dynamics
Vascular calcification is the abnormal deposition of calcium phosphate complexes in blood vessels, regarded as the pathological basis of multiple cardiovascular diseases. The flowing blood exerts a frictional force called shear stress on the vascular wall. Blood vessels have different hydrodynamic properties due to discrepancies in geometric and mechanical properties. The disturbance of the blood flow in the bending area and the branch point of the arterial tree produces shear stress lower than the physiological magnitude of the laminar shear stress, which can induce the occurrence of vascular calcification. Endothelial cells sense the fluid dynamics of blood and transmit electrical and chemical signals to the full thickness of blood vessels. Through crosstalk with endothelial cells, smooth muscle cells trigger osteogenic transformation, involved in mediating vascular intima and media calcification. In addition, based on the detection of fluid dynamics parameters, emerging imaging technologies such as 4D Flow MRI and computational fluid dynamics have greatly improved the early diagnosis ability of cardiovascular diseases, showing extremely high clinical application prospects.
  • 140
  • 23 Aug 2023
Topic Review
Temporal Bone Mass Lesions
Tumoral lesions of the temporal bone include benign or malignant tumors and congenital or inflammatory lesions. Temporal bone lesions are difficult to approach. Therefore, making a preoperative diagnosis and considering whether the lesions require treatment are necessary; if they require treatment, then the type of treatment requires consideration. These tumors cannot be observed directly and must be diagnosed based on symptoms and imaging findings.
  • 202
  • 23 Aug 2023
Topic Review
Gut Microbiota and Chronic Kidney Disease
The human intestinal microbiota is a highly intricate structure with a crucial role in promoting health and preventing disease. It consists of diverse microbial communities that inhabit the gut and contribute to essential functions such as food digestion, nutrient synthesis, and immune system development. The composition and function of the gut microbiota are influenced by a variety of factors, including diet, host genetics, and environmental features. In pediatric patients, the gut microbiota is particularly dynamic and vulnerable to disruption from endogenous and exogenous factors.
  • 400
  • 23 Aug 2023
Topic Review
The Role of Ultrasonography in Hip Impingement Syndromes
Hip pain is indubitably a frequent clinical problem deriving from copious etiologies. Hip impingement syndromes are one of the most prevalent causes of persistent groin pain, especially in young and active patients. Diligent imaging of the hip region is indispensable to discern femoroacetabular impingement, as the differential diagnosis of hip pain can be exceedingly arduous. 
  • 139
  • 23 Aug 2023
Topic Review
Brain-Derived Neurotrophic Factor as a Bipolar Disorder Biomarker
Brain-derived neurotrophic factor (BDNF) plays a key role in brain development, contributing to neuronal survival and neuroplasticity. In fact, BDNF could be used as a marker for acute BD states and as a marker of clinical response to pharmacological treatments since the normalization of BDNF circulating levels has been found after effective pharmacological treatment. However, this interpretation remains speculative and further studies with larger and less heterogeneous samples are required.
  • 292
  • 23 Aug 2023
Topic Review
Non-Pharmacological Interventions for Pain Management in Hemodialysis
Acupuncture demonstrated considerable promise as a benign and efficacious supplementary therapy for managing pain, enhancing functional capacity and muscular strength, lessening symptoms of restless leg syndrome and uremic pruritus, and bettering the quality of life (QOL) of patients on hemodialysis. Additional investigations are imperative to confirm these results and define the ideal parameters for treatment. Cognitive behavioral therapy also exhibited the potential to ameliorate diverse facets of wellness in hemodialysis patients, including social support, QOL, and mental health outcomes. Cognitive behavioral therapy (CBT) proved successful in attenuating depressive symptom severity, enhancing therapy adherence, and diminishing depression. Internet-based CBT could potentially enhance the accessibility and effectiveness of these interventions for this patient population. Relaxation techniques, encompassing progressive muscle relaxation, guided imagery, deep breathing exercises, and mindfulness meditation, appear to hold potential in managing pain, fatigue, stress, and sleep patterns, as well as in promoting well-being and QOL for hemodialysis patients. Emerging as an innovative immersive technology, virtual reality has demonstrated potential benefits in pain management for individuals undergoing hemodialysis.
  • 406
  • 23 Aug 2023
Topic Review
Pathophysiological Mechanisms of Anemia in Chronic Liver Disease
Hematological abnormalities are frequently linked to chronic liver disease of any etiology. About 75% of patients with advanced chronic liver disease experience anemia. The causes of anemia are complex and multifactorial, particularly in cirrhotic patients. 
  • 293
  • 23 Aug 2023
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