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Topic Review
Synthetic Cathinones and Synthetic Cannabinoids
Novel psychoactive substances (NPS) are compounds of natural and synthetic origin, similar to traditional drugs of abuse. NPS are involved in a contemporary trend whose origin lies in a thinner balance between legitimate therapeutic drug research and legislative control. The contemporary NPS trend resulted from the replacement of MDMA by synthetic cathinones in ‘ecstasy’ during the 2000s. The most common NPS are synthetic cannabinoids and synthetic cathinones. Interestingly, during the last 50 years, these two classes of NPS have been the object of scientific research for a set of health conditions. 
  • 428
  • 06 May 2022
Topic Review
Pharmacological Management in Diabetic Peripheral Neuropathy
Diabetic peripheral neuropathy is a common complication of longstanding diabetes mellitus. These neuropathies can present in various forms, and with the increasing prevalence of diabetes mellitus, a subsequent increase in peripheral neuropathy cases has been noted. Peripheral neuropathy has a significant societal and economic burden, with patients requiring concomitant medication and often experiencing a decline in their quality of life. There is currently a wide variety of pharmacological interventions, including serotonin norepinephrine reuptake inhibitors, gapentanoids, sodium channel blockers, and tricyclic antidepressants. 
  • 427
  • 08 Jun 2023
Topic Review
The Potential Role of Toll-like Receptors in Schizophrenia
Toll-like receptors (TLRs) are a family of pattern recognition receptors (PRRs) ubiquitously expressed in the human body. They protect the brain and central nervous system from self and foreign antigens/pathogens. The immune response elicited by these receptors culminates in the release of cytokines, chemokines, and interferons causing an inflammatory response, which can be both beneficial and harmful to neurodevelopment. Such changes due to TLRs are shown to be associated with alterations in cognitive functions in various neurodegenerative and psychiatric disorders, and schizophrenia is one such disorder where multiple genetic and environmental factors contribute to alterations associated with TLRs.
  • 427
  • 15 Aug 2023
Topic Review
The Applications of Cyclodextrins in Food
Cyclodextrins (CDs) are a group of cyclic oligosaccharides produced from starch, consisting of a hydrophobic interior cavity and hydrophilic exterior. Cyclodextrins have gained significant and established attention as versatile carriers for the delivery of bioactive compounds derived from natural sources in various applications, including medicine, food and cosmetics. Their toroidal structure and hydrophobic cavity render them ideal candidates for encapsulating and solubilizing hydrophobic and poorly soluble compounds. Most medicinal, food and cosmetic ingredients share the challenges of hydrophobicity and degradation that can be effectively addressed by various cyclodextrin types.
  • 427
  • 20 Sep 2023
Topic Review
Fungal–Fungal Co-Culture for Discovery of New Secondary Metabolites
Fungi are an important and prolific source of secondary metabolites (SMs) with diverse chemical structures and a wide array of biological properties. Fungal–fungal co-culture is the major source of new SMs and consists of two types including liquid state fermentation (LSF) and solid state fermentation (SSF). Potato dextrose broth (PDB) and rice are the most common co-culture media for fungal LSF and SSF, respectively.
  • 426
  • 24 Nov 2023
Topic Review
Hypoxic Tumor Environments in Photodynamic Therapy
Photodynamic therapy (PDT) has become a promising method of cancer treatment due to its unique properties, such as noninvasiveness and low toxicity. The efficacy of PDT is significantly reduced by the hypoxia tumor environments, because PDT involves the generation of reactive oxygen species (ROS), which requires the great consumption of oxygen. Moreover, the consumption of oxygen caused by PDT would further exacerbate the hypoxia condition, which leads to angiogenesis, invasion of tumors to other parts, and metastasis.
  • 425
  • 06 Sep 2022
Topic Review
Antipsychotics Modulates Cytokines in FEP-patients
Cytokines have a major impact on the neurotransmitter networks that are involved in schizophrenia pathophysiology. First Episode Psychosis (FEP) patients exhibit abnormalities in cytokines levels prior to the start of treatment. Previous studies showed that antipsychotic treatment modulates cytokines levels.
  • 424
  • 09 Jun 2021
Topic Review
Pathophysiology of Takotsubo Syndrome
Takotsubo syndrome (TTS) is a transient dysfunction of the left and/or right ventricle, without the presence of ruptured atherosclerotic plaque, thrombus, dissection of the artery or other condition, which may cause the aforementioned symptoms. The term “tako-tsubo” was first used by Sato et al in 1990 because of the similarities between LV morphologic features and the shape of a ceramic fishing pot used since ancient times in Japan for trapping octopi.
  • 424
  • 07 Sep 2021
Topic Review
Intrathecal Pseudodelivery of Drugs for Neurodegenerative Diseases
Intrathecal pseudodelivery of drugs is a novel route to administer medications to treat neurodegenerative diseases based on the cerebrospinal fluid (CSF)-sink therapeutic strategy by means of implantable devices. 
  • 424
  • 10 Mar 2023
Topic Review
Therapeutic Potential of Ulotaront for Neuropsychiatric Disorders
SEP-363856 (International Nonproprietary Name: Ulotaront) is an investigational antipsychotic drug with a novel mechanism of action that does not involve antagonism of dopamine D2 receptors. Ulotaront is an agonist of trace amine-associated receptor 1 and serotonin 5-HT1A receptors, but can modulate dopamine neurotransmission indirectly. In 2019, the United States Food and Drug Administration granted Breakthrough Therapy Designation for ulotaront for the treatment of schizophrenia.
  • 424
  • 27 Jul 2023
Topic Review
Neuropeptides Inhibitors for Colorectal Cancer
Neuropeptides are mainly secreted from the human central and peripheral nervous systems. Neuropeptides bind to its cognate rhodopsin-like G-protein coupled receptor (GPCR) and perform various physiological functions. Conventional cancer treatments in clinical practice still present many drawbacks due to the lack of selectivity toward the target cell, drug-resistance, and side-effects, thus pushing for the development of new therapeutic agents and therapies. Recent research suggests that neuropeptides influence cancer cell proliferation, invasion, metastasis, and angiogenesis and, therefore, they could be exploited as a target for novel anticancer therapies. Very recently, targeted approaches that inhibit neuropeptides and their associated receptors are being developed in cancer treatment. 
  • 424
  • 29 Sep 2022
Topic Review
Structural Characteristics of Selaginella Biflavonoid
Despite the many strategies employed to slow the spread of cancer, the development of new anti-tumor drugs and the minimization of side effects have been major research hotspots in the anti-tumor field. Natural drugs are a huge treasure trove of drug development, and they have been widely used in the clinic as anti-tumor drugs. Selaginella species in the family Selaginellaceae are widely distributed worldwide, and they have been well-documented in clinical practice for the prevention and treatment of cancer. Biflavonoids are the main active ingredients in Selaginella, and they have good biological and anti-tumor activities, which warrant extensive research. The promise of biflavonoids from Selaginella (SFB) in the field of cancer therapy is being realized thanks to new research that offers insights into the multi-targeting therapeutic mechanisms and key signaling pathways.
  • 424
  • 08 May 2023
Topic Review
Antimicrobial Properties of Ocimum basilicum, Lamiaceae
Since ancient times, various scientists and doctors have utilized different herbs to heal diseases. Due to the rise in drug resistance and the negative effects of chemosynthetic drugs, researchers and the general public around the world have become more interested in medicinal herbs and plant metabolites/extracts. This is due to its non-toxicity and its several health benefits when used to treat diseases in clinical and medical settings. Ocimum basilicum is one such plant, possessing a wide range of bioactive phytochemicals including alkaloids, phenolics, flavonoids, tannins, saponins, reducing sugars, cardiac glycosides, steroids and glycosides, as well as complex pharmacological activities, including anti-inflammatory, antifungal, antibacterial, antioxidant, wound healing and antiviral properties.
  • 424
  • 07 Feb 2024
Topic Review
TRPA1 Role in Inflammatory Disorders
The transient receptor potential ankyrin 1 (TRPA1), a member of the TRP superfamily of channels, is primarily localized in a subpopulation of primary sensory neurons of the trigeminal, vagal, and dorsal root ganglia, where its activation mediates neurogenic inflammatory responses. The TRPA1 pathway could be a protective mechanism to detect and respond to harmful agents in various pathological conditions, including several inflammatory diseases.
  • 423
  • 09 May 2022
Topic Review
Gels for Neuropathic Pain
Neuropathic pain is a complex and debilitating condition that affects millions of people worldwide. Gels have emerged as a promising option for the treatment of neuropathic pain. Inclusion of various nanocarriers, such as cubosomes and niosomes, into gels results in pharmaceutical forms with higher drug stability and increased drug penetration into tissues compared to products currently marketed for the treatment of neuropathic pain.
  • 423
  • 28 Jul 2023
Topic Review
Physiological Cooperation between Aquaporin 5 and TRPV4
Aquaporins—among them, AQP5—are responsible for transporting water across biological membranes, which is an important process in all living organisms. The transient receptor potential channel 4 (TRPV4) is a cation channel that is mostly calcium-permeable and can also be activated by osmotic stimuli. It plays a role in a number of different functions in the body, e.g., the development of bones and cartilage, and it is involved in the body’s osmoregulation, the generation of certain types of sensation (pain), and apoptosis. Earlier studies on the uterus and the literature data aroused the interest in the physiological role of the cooperation of AQP5 and TRPV4. Understanding the cooperation between AQP5 and TRPV4 may contribute to the development of new drug candidates and the therapy of several disorders (e.g., preterm birth, cataract, ischemia/reperfusion-induced edema, exercise- or cold-induced asthma).
  • 423
  • 14 Oct 2022
Topic Review
Echinacea purpurea L. (Moench) Hemagglutinin
Echinacea purpurea L. (Moench) is used in traditional and conventional medicine. However, there is lack of data on the biological activities of primary plant metabolite lectins. The aim of our experiment was to find out how lectin LysM (lysine motif), which was previously purified, affects the immune response in vivo. Eight-week-old BALB/c male mice (n = 15) received four weekly 250 μg/kg peritonial injections of purified Echinacea purpurea L. (Moench) roots’ LysM lectin. The control animal group (n = 15) received 50 μL peritoneal injections of fresh Echinacea purpurea L. (Moench) root tincture, and the negative control animal group (n = 15) received 50 μL peritoneal injections of physiological solution. At the fifth experimental week, the animals were sedated with carbon dioxide, and later euthanized by cervical dislocation, and then their blood and spleen samples were collected. The leukocytes’ formula and lymphocytes’ count was estimated in blood samples, the T lymphocytes’ density was evaluated in spleen zones. A statistically significant (p < 0.05) difference between each group was observed in the leukocytes’ formula (monocytes’ percentage, also little, medium and giant size lymphocytes). The purple coneflower fresh roots’ tincture significantly decreased (p < 0.05) the T lymphocytes’ quantity in peritoneal lymphoid sheaths (PALS) compared with the physiological solution injection’s group (p < 0.05) and the lectin injection’s group (p < 0.001). Meanwhile, lectin injections caused a significant (p < 0.01) increase in the T lymphocytes in a spleen PALS zone, compared with the physiological solution and tincture injection’s group. Our data suggests that LysM lectin acts as an immunostimulant, while fresh purple coneflower tincture causes immunosuppression.
  • 422
  • 15 Jun 2021
Topic Review
Monoclonal Antibodies Targeting CGRP
Now more than ever is the time of monoclonal antibody use in neurology. In headaches, disease-specific and mechanism-based treatments existed only for symptomatic management of migraines (i.e., triptans), while the standard prophylactic anti-migraine treatments consist of non-specific and repurposed drugs that share limited safety profiles and high risk for interactions with other medications, resulting in rundown adherence rates. Recent advances in headache science have increased our understanding of the role of calcitonin gene relate peptide (CGRP) and pituitary adenylate cyclase-activating polypeptide (PACAP) pathways in cephalic pain neurotransmission and peripheral or central sensitization, leading to the development of monoclonal antibodies (mAbs) or small molecules targeting these neuropeptides or their receptors. Large scale randomized clinical trials confirmed that inhibition of the CGRP system attenuates migraine, while the PACAP mediated nociception is still under scientific and clinical investigation.
  • 422
  • 10 Aug 2021
Topic Review
The Bright Side of Psychedelics
Psychedelic-assisted psychotherapy (PAP) has emerged as an alternative strategy, one that arose in response to the crisis of new psychiatric drugs, there have been promising clinical trials of PAP with lysergic acid diethylamide (LSD), psilocybin and ibogaine to combat drug, alcohol and nicotine addiction. Potential applications have been found in the treatment of anxiety, obsessive compulsive disorders, major depression, autism spectrum disorders, and, finally, in delaying cognitive decline.
  • 422
  • 27 Mar 2023
Topic Review
Natural Peptides and Their Beneficial Effects on Skin
Peptides, functional nutrients with a size between those of large proteins and small amino acids, are easily absorbed by the human body. Therefore, they are seeing increasing use in clinical medicine and have revealed immunomodulatory and anti-inflammatory properties which could make them effective in healing skin wounds.
  • 422
  • 17 Feb 2023
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