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Topic Review
VAV Proteins
The VAV GEF family has been traditionally linked to protumorigenic actions in cancer. This idea was reinforced by the use of both cancer cell lines and mouse models demonstrating the proactive role of VAV proteins in the development of different types of tumors, such as skin and breast cancer. However, given the presence of structural domains that facilitate the interaction with a large number of protein partners and the particular features of some of the VAV-dependent pathways, it is conceivable that VAV proteins might antagonize cell transformation in certain in vivo contexts.
  • 500
  • 27 Oct 2021
Topic Review
Vat Purnima
Vat Purnima or pournima chavan or Wat Purnima (वट पूर्णिमा, vaṭapūrṇimā, also called Vat Savitri is a celebration observed by married women in the Western Indian states of Gujarat, Maharashtra, Goa and some regions of eastern Uttar Pradesh. On this Purnima or "full moon" during the three days of the month of Jyeshtha in the Hindu calendar (which falls in May-June in the Gregorian calendar) a married woman marks her love for her husband by tying a ceremonial thread around a banyan tree. The celebration is based on the legend of Savitri and Satyavan as narrated in the epic Mahabharata.
  • 466
  • 15 Nov 2022
Topic Review
Vat Photopolymerization
Vat photopolymerization (VP), including stereolithography (SLA), digital light processing (DLP), and volumetric printing, employs UV or visible light to solidify cell-laden photoactive bioresin contained within a vat in a point-by-point, layer-by-layer, or volumetric manner.
  • 806
  • 11 Oct 2023
Biography
Vasyl Mosiichuk
Professor Vasyl Mosiichuk, a distinguished figure in the field of psychology, embodies the integration of deep scholarly insight with practical application in the realms of neuropsychology and clinical psychology. Born and educated in Ukraine, his academic and professional journey has not only advanced the understanding of human psychology but also paved the way for innovative therapies in medic
  • 368
  • 22 Apr 2024
Topic Review
Vasovagal Reactions during Interventional Pain Management Procedures
Vasovagal reactions—defined as a rapid drop in heart rate and/or blood pressure, usually in response to a stressful trigger—are a common complication of interventional pain management procedures. Three types of vasovagal responses have been described in the literature: a cardioinhibitory form (HR < 40 bpm), vasodepressor form (SBP < 80 mmHg or decrease by >30% without significant HR reduction), or mixed form (HR < 40 bpm and SBP < 80 mmHg or decrease by >30%). Typical symptoms of a vasovagal reaction are lightheadedness or dizziness, palpitations, weakness, blurred vision, nausea, feelings of warmth or coldness, and sweating. When a vasovagal reaction results in a loss of consciousness, it is termed vasovagal syncope. Although vasovagal reactions are usually benign in nature, they can lead to more serious complications for both patients and providers, such as aborted procedures, cardiac arrythmias, or fear of future procedures. It is thus useful for pain medicine clinicians to identify the risk factors, prevention, and management of vasovagal reactions in an outpatient setting.
  • 1.2K
  • 03 Aug 2022
Topic Review
Vasospasm in Fluoropyrimidine-Induced Ischemic Heart Disease
Cardiovascular diseases and cancer are the leading cause of morbidity and mortality globally. Cardiotoxicity from chemotherapeutic agents results in substantial morbidity and mortality in cancer survivors and patients with active cancer. Cardiotoxicity induced by 5-fluorouracil (5-FU) has been well established, yet its incidence, mechanisms, and manifestation remain poorly defined. Ischemia secondary to coronary artery vasospasm is thought to be the most frequent cardiotoxic effect of 5-FU. The available evidence of 5-FU-induced epicardial coronary artery spasm and coronary microvascular dysfunction suggests that endothelial dysfunction or primary vascular smooth muscle dysfunction (an endothelial-independent mechanism) are the possible contributing factors to this form of cardiotoxicity. In patients with 5-FU-related coronary artery vasospasm, termination of chemotherapy and administration of nitrates or calcium channel blockers may improve ischemic symptoms. However, there are variable results after administration of nitrates or calcium channel blockers in patients treated with 5-FU presumed to have myocardial ischemia, suggesting mechanisms other than impaired vasodilatory response. 
  • 483
  • 22 Apr 2022
Topic Review
Vasopressor-Sparing and Patients with Shock
Vasopressor therapy is to restore organ perfusion so as to limit the risk of multiple organ failure and death.
  • 1.0K
  • 11 Nov 2021
Topic Review
Vasopressin-Related Possible Therapies in Autism
Autism spectrum disorder (ASD) is rather common, presenting with prevalent early problems in social communication and accompanied by repetitive behavior. There is no cure for ASD, and there is currently no medication to treat it. The medications are prescribed mainly to treat self-injury, inability to focus, anxiety and depression (SSRIs), aggression (alpha-2 adrenergic agonist, Clonidine) and hyperactivity (dopamine and noradrenaline stimulant methylphenidate, Ritalin). Strategies to treat the core symptoms of ASD are directed to correct synaptic dysfunctions, abnormalities in central VP, OT and serotonin neurotransmission, and neuroinflammation. 
  • 437
  • 14 Dec 2023
Topic Review
Vasopressin in Sepsis and Other Shock States
Septic shock is defined by the need for vasopressors to correct hypotension and lactic acidosis secondary to infection, with a high mortality rate. The Surviving Sepsis Campaign guidelines recommend vasopressin as a second-line vasopressor, added to norepinephrine. 
  • 435
  • 07 Nov 2023
Topic Review
Vasopressin in Cardiovascular Diseases
The automatism of cardiac pacemaker cells, which is tuned, is regulated by the autonomic nervous system (ANS) and multiple endocrine and paracrine factors, including cardiovascular peptides. The cardiovascular peptides (CPs) form a group of essential paracrine factors affecting the function of the heart and vessels. They may also be produced in other organs and penetrate to the heart via systemic circulation. Vasopressin is synthesized mostly by the neuroendocrine cells of the hypothalamus. 
  • 659
  • 23 Nov 2022
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