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Topic Review
Brain Lesion Theory
The term Brain lesion theory is a colloquialism which generally refers to the idea that brain lesions and traumatic brain injury are associated with aggressive and violent behaviour, criminality and anti-sociality . The concept of a correlation between brain injury and violent or aggressive behaviour has a strong basis in scientific literature and has been explored across multiple disciplines including forensics, psychology and sociology. Most findings in psychology suggest that the correlation between brain injury and aggression is specific to frontal lobe injury. There’s is little evidence to suggest that damage to other areas of the brain correlates with aggression. The correlations between frontal lobe injury and aggression have important implications in terms of function localisation in the brain. Function localisation is the idea that certain functions are specific certain areas of the brain. There is evidence to suggest that the frontal lobe is responsible for the control of cognitive skills like judgment and emotion regulation. Consequently, damage to the frontal lobe may lead to loss of control and impairment in social/emotional judgement therefore reducing a person’s ability to inhibit negative emotion and as a consequence increase aggressive responses. However, it is important to note that the evidence for a correlation between frontal lobe injury and aggression is heavily based on case study and consequently cannot be used to imply a causal factor in either direction. Further, aggression, violence and anti-sociality also correlate with alcoholism, abuse and a number of psychological, environmental and biological factors thus even if there was evidence for a causal link between brain injury and aggression it cannot be concluded that brain injury alone causes aggression.
  • 731
  • 01 Dec 2022
Topic Review
Piperine in Neurodegenerative and Neurological Diseases
Piperine (PIP) is an active alkaloid of black and long peppers. An increasing amount of evidence is suggesting that PIP and its metabolite’s could be a potential therapeutic to intervene different disease conditions including chronic inflammation, cardiac and hepatic diseases, neurodegenerative diseases, and cancer. In addition, the omnipresence of PIP in food and beverages made this compound an important investigational material. It has now become essential to understand PIP pharmacology and toxicology to determine its merits and demerits, especially its effect on the central nervous system (CNS). Although several earlier reports documented that PIP has poor pharmacokinetic properties, such as absorption, bioavailability, and blood–brain barrier permeability. However, its interaction with metabolic enzyme cytochrome P450 superfamily and competitive hydrophobic interaction at Monoamine oxide B (MAO-B) active site have made PIP both a xenobiotics bioenhancer and a potential MAO-B inhibitor. Moreover, recent advancements in pharmaceutical technology have overcome several of PIP’s limitations, including bioavailability and blood–brain barrier permeability, even at low doses. Contrarily, the structure activity relationship (SAR) study of PIP suggesting that its several metabolites are reactive and plausibly responsible for acute toxicity or have pharmacological potentiality. 
  • 731
  • 07 Feb 2022
Topic Review
Computer-Aided Breast Cancer Diagnosis
A computer-aided diagnosis (CAD) expert system is a powerful tool to efficiently assist a pathologist in achieving an early diagnosis of breast cancer. This process identifies the presence of cancer in breast tissue samples and the distinct type of cancer stages. In a standard CAD system, the main process involves image pre-processing, segmentation, feature extraction, feature selection, classification, and performance evaluation. Breast cancer can be distinguished as benign (non-cancerous) and malignant (cancerous/metastatic) tumours. Benign tissue refers to changes in normal tissue of breast parenchyma, which does not relate to the development of malignancy . Contrarily, malignant tissue can be categorised into two types: in-situ carcinoma and invasive carcinoma.  
  • 731
  • 15 Jun 2021
Topic Review
3D Guided Insertion of Orthodontic Titanium Miniscrews
Orthodontic mini-implants (MIs), also called temporary anchorage devices (TADs), have been considered to be effective tools for intraoral anchorage reinforcement for many years. Their main advantages are their easy application, the possibility to use them at various stages of treatment and the predictability of biomechanical effects.
  • 730
  • 10 Dec 2021
Topic Review
Acute Kidney Injury
Acute kidney injury is a common complication in critically ill patients with sepsis and/or septic shock. Further, some essential antimicrobial treatment drugs are themselves nephrotoxic. For this reason, timely diagnosis and adequate therapeutic management are paramount. Of potential acute kidney injury (AKI) biomarkers, non-protein-coding RNAs are a subject of ongoing research.
  • 730
  • 09 Oct 2020
Topic Review
Immunotherapy Challenges in Multiple Myeloma
The power of immunotherapy in the battle of Multiple Myeloma (MM) started with allogeneic stem cell transplantation, and was rediscovered with immunomodulatory drugs and extended with the outstanding results achieved with targeted antibodies. Today, next to powerful antibodies Elotuzumab and Daratumumab, several T-cell-based immunotherapeutic approaches, such as bispecific antibodies and chimeric antigen receptor-transduced T-cells (CAR T-cells) are making their successful entry in the immunotherapy arena with highly promising results in clinical trials. Nonetheless, similar to what is observed in chemotherapy, MM appears capable to escape from immunotherapy, especially through tight interactions with the cells of the bone marrow microenvironment (BM-ME). This review will outline our current understanding on how BM-ME protects MM-cells from immunotherapy through immunosuppression and through induction of intrinsic resistance against cytotoxic effector mechanisms of T- and NK-cells.
  • 730
  • 18 Dec 2020
Topic Review
Virtual Reality Therapy for Depression
Virtual reality (VR) describes a family of technologies which immerse users in sensorily-stimulating virtual environments. Such technologies have increasingly found applications in the treatment of neurological and mental health disorders. Depression, anxiety, and other mood abnormalities are of concern in the growing older population—especially those who reside in long-term care facilities (LTCFs).
  • 730
  • 11 Jun 2021
Topic Review
The Mechanisms Underlying Vertical Artifacts in Lung Ultrasound
The recent advances in lung ultrasound for the diagnosis of cardiogenic pulmonary edema are outstanding; however, the mechanism of vertical artifacts known as B-lines used for the diagnosis has not yet been fully elucidated. The theory of “acoustic trap” is useful when considering the generation of vertical artifacts. Basic research in several studies supports the theory. Published studies with pilot experiments indicate that clarification of the relationship between the length and intensity of vertical artifacts and physical or acoustic composition of sources may be useful for differentiating cardiogenic pulmonary edema from lung diseases. There is no international consensus with regard to the optimal settings of ultrasound machines even though their contribution to the configuration of vertical artifacts is evident. In the clinical setting, the configuration is detrimentally affected by the use of spatial compound imaging, the placement of the focal point at a deep level, and the use of multiple focus. Simple educational materials using a glass microscope slide also show the non-negligible impact of the ultrasound machine settings on the morphology of vertical artifacts.
  • 730
  • 29 Apr 2022
Topic Review
Lewy Body Dementias
Lewy body dementias (LBDs) consist of dementia with Lewy bodies (DLB) and Parkinson’s disease dementia (PDD), which are clinically similar syndromes that share neuropathological findings with widespread cortical Lewy body deposition, often with a variable degree of concomitant Alzheimer pathology. The objective of this article is to provide an overview of the neuropathological and clinical features, current diagnostic criteria, biomarkers, and management of LBD. Literature research was performed using the PubMed database, and the most pertinent articles were read and are discussed in this paper. The diagnostic criteria for DLB have recently been updated, with the addition of indicative and supportive biomarker information. The time interval of dementia onset relative to parkinsonism remains the major distinction between DLB and PDD, underpinning controversy about whether they are the same illness in a different spectrum of the disease or two separate neurodegenerative disorders. The treatment for LBD is only symptomatic, but the expected progression and prognosis differ between the two entities. Diagnosis in prodromal stages should be of the utmost importance, because implementing early treatment might change the course of the illness if disease-modifying therapies are developed in the future. Thus, the identification of novel biomarkers constitutes an area of active research, with a special focus on α-synuclein markers. 
  • 730
  • 16 Sep 2023
Topic Review
Nutrition in Chronic Pain Management
A poor nutritional status such as malnutrition, unhealthy dietary behaviors, and a suboptimal dietary intake can play a significant role in the occurrence, development, and prognosis of chronic pain. The relationship between nutrition and chronic pain is complex and may involve many underlying mechanisms such as oxidative stress, inflammation, and glucose metabolism. As such, pain management requires a comprehensive and interdisciplinary approach that includes nutrition. Nutrition is the top modifiable lifestyle factor for chronic non-communicable diseases including chronic pain.
  • 730
  • 26 Oct 2022
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