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Topic Review
Connexins in Cancer
The expression, localization, and function of connexins, the protein subunits that comprise gap junctions, are often altered in cancer. In addition to cell–cell coupling through gap junction channels, connexins also form hemichannels that allow communication between the cell and the extracellular space and perform non-junctional intracellular activities. Historically, connexins have been considered tumor suppressors; however, they can also serve tumor-promoting functions in some contexts. Here, we review the literature surrounding connexins in cancer cells in terms of specific connexin functions and propose that connexins function upstream of most, if not all, of the hallmarks of cancer. The development of advanced connexin targeting approaches remains an opportunity for the field to further interrogate the role of connexins in cancer phenotypes, particularly through the use of in vivo models. More specific modulators of connexin function will both help elucidate the functions of connexins in cancer and advance connexin-specific therapies in the clinic.
  • 794
  • 24 Dec 2020
Topic Review
Cerebral Small Vessel Disease
Cerebral small vessel disease (CSVD) represents a cluster of various vascular disorders with different pathological backgrounds. The advanced vasculature net of cerebral vessels, including small arteries, capillaries, arterioles and venules, is usually affected. Processes of oxidation underlie the pathology of CSVD, promoting the degenerative status of the epithelial layer. There are several classifications of cerebral small vessel diseases; some of them include diseases such as Binswanger’s disease, leukoaraiosis, cerebral microbleeds (CMBs) and lacunar strokes.
  • 794
  • 07 Jan 2021
Topic Review
Patent Ductus Arteriosus
This entry mainly describes the patent ductus arteriosus(PDA) in preterm infants with a special focus on it's effect on pulmonary vasculature. It also reviews the role of cardiac catheterization as a diagnostic tool to evaluate the hemodynamic effects of a longstanding large PDA. It introduces the possible management strategies available in the cardiac catheterization laboratory for a preterm infants with a PDA and pulmonary hypertension. 
  • 794
  • 10 Oct 2020
Topic Review
Therapeutic Potential of Jasmonic Acid
The main representatives of jasmonate compounds include jasmonic acid and its derivatives, mainly methyl jasmonate. Extracts from plants rich in jasmonic compounds show a broad spectrum of activity, i.e., anti-cancer, anti-inflammatory and cosmetic. Studies of the biological activity of jasmonic acid and its derivatives in mammals are based on their structural similarity to prostaglandins and the compounds can be used as natural therapeutics for inflammation. Jasmonates also constitute a potential group of anti-cancer drugs that can be used alone or in combination with other known chemotherapeutic agents.
  • 794
  • 28 Sep 2021
Topic Review
Medical and Dental Applications of Titania Nanoparticles
Titanium oxide (TiO2) nanoparticles are successfully employed in human food, drugs, cosmetics, advanced medicine, and dentistry because of their non-cytotoxic, non-allergic, and bio-compatible nature when used in direct close contact with the human body. These NPs are the most versatile oxides as a result of their acceptable chemical stability, lower cost, strong oxidation properties, high refractive index, and enhanced aesthetics. These NPs are fabricated by conventional (physical and chemical) methods and the latest biological methods (biological, green, and biological derivatives), with their advantages and disadvantages in this epoch. The significance of TiO2 NPs as a medical material includes drug delivery release, cancer therapy, orthopedic implants, biosensors, instruments, and devices, whereas their significance as a dental biomaterial involves dentifrices, oral antibacterial disinfectants, whitening agents, and adhesives. In addition, TiO2 NPs play an important role in orthodontics (wires and brackets), endodontics (sealers and obturating materials), maxillofacial surgeries (implants and bone plates), prosthodontics (veneers, crowns, bridges, and acrylic resin dentures), and restorative dentistry (GIC and composites).
  • 794
  • 02 Nov 2022
Topic Review
Mechanisms of Pain Modulation
A review of the pathophysiology of pain and its treatment, from a surgical point of view has been published (Sola RG, Pulido P. Neurosurgical Traatment of Pain. Brain Sci. 2022, 12(11), 1584; https://doi.org/10.3390/brainsci12111584) There are pain syndromes of difficult medical control.In these cases, surgical treatment may be an excellent alternative. The bases on which the different surgical approaches are based are described. The attached table shows a very schematic view of the neurosurgical treatment of pain.      
  • 794
  • 22 Jan 2023
Topic Review
Anastasios Lymperopoulos
My laboratory for the Study of Neurohormonal Control of the Circulation studies the molecular pharmacology, physiology, and biology of the G protein-coupled receptors (GPCRs) that regulate cardiac function and systemic circulation in general. Particular emphasis is given to autonomic nervous system`s (specifically adrenergic) receptors and to angiotensin II receptors. The general focus is on studying mechanisms underlying abnormal signaling/function of these GPCRs that contribute to heart failure pathophysiology, aiming at discovering and validating novel molecular targets for cardiovascular disease therapy. Our lab`s studies also include novel molecular effects of beta-blockers and angiotensin receptor blockers, two very important drug classes acting through cardiovascular adrenergic and angiotensin receptors, respectively.
  • 794
  • 29 Oct 2020
Topic Review
The Blood-Brain Barrier
Blood-brain barrier (BBB) integrity is essential to maintaining brain health. Aging-related alterations could lead to chronic progressive leakiness of the BBB, which is directly correlated with cerebrovascular diseases. Indeed, the BBB breakdown during acute ischemic stroke is critical.
  • 793
  • 13 Sep 2022
Topic Review
Microbiome in Hidradenitis Suppurativa
Hidradenitis suppurativa is a chronic disease of the pilosebaceous unit. The name of the condition is a testament to the presumed relationship between the disease and the microbiome. The pathophysiology of hidradenitis suppurativa is, however, complex and believed to be the product of a multifactorial interplay between the interfollicular epithelium, pilosebaceous unit, microbiome, as well as genetic and environmental factors.
  • 793
  • 08 Oct 2021
Topic Review
Heat Therapy
Heat therapy, also called thermotherapy, is the use of heat in therapy, such as for pain relief and health. It can take the form of a hot cloth, hot water bottle, ultrasound, heating pad, hydrocollator packs, whirlpool baths, cordless FIR heat therapy wraps, and others. It can be beneficial to those with arthritis and stiff muscles and injuries to the deep tissue of the skin. Heat may be an effective self-care treatment for conditions like rheumatoid arthritis. Heat therapy is most commonly used for rehabilitation purposes. The therapeutic effects of heat include increasing the extensibility of collagen tissues; decreasing joint stiffness; reducing pain; relieving muscle spasms; reducing inflammation, edema, and aids in the post acute phase of healing; and increasing blood flow. The increased blood flow to the affected area provides proteins, nutrients, and oxygen for better healing.
  • 793
  • 31 Oct 2022
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