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Topic Review
Biography
Topic Review
Targeting p53-MDM2 Interaction for Cancer Drug Discovery
Named as the guardian of the genome, p53 is a tumor suppressor that regulates cell function, often through many different mechanisms such as DNA repair, apoptosis, cell cycle arrest, senescence, metabolism, and autophagy. One of the genes that p53 activates is MDM2, which forms a negative feedback loop since MDM2 induces the degradation of p53. When p53 activity is inhibited, damaged cells do not undergo cell cycle arrest or apoptosis. As 50% of human cancers inactivate p53 by mutation, current research focuses on reactivating p53 by developing drugs that target the p53-MDM2 interaction, which includes the binding of MDM2 and phosphorylation of p53.
1.1K
22 Jul 2022
Topic Review
COVID-19 Detection with Non-Contact Sensing
COVID-19 disease, caused by SARS-CoV-2, has resulted in a global pandemic recently. With no approved vaccination or treatment, governments around the world have issued guidance to their citizens to remain at home in efforts to control the spread of the disease. The goal of controlling the spread of the virus is to prevent strain on hospitals. Non-invasive methods can be used to detect the COVID-19 and assist healthcare workers in caring for COVID-19 patients. Early detection of the COVID-19 virus can allow for early isolation to prevent further spread.
1.1K
21 Jan 2021
Topic Review
Psychodynamic Psychotherapy
Psychodynamic psychotherapy or psychoanalytic psychotherapy is a form of depth psychology, the primary focus of which is to reveal the unconscious content of a client's psyche in an effort to alleviate psychic tension. It evolved from and largely replaced psychoanalysis in the mid-20th century. Psychodynamic psychotherapy relies on the interpersonal relationship between client and therapist more than other forms of depth psychology. In terms of approach, this form of therapy uses psychoanalysis adapted to a less intensive style of working, usually at a frequency of once or twice per week. Principal theorists drawn upon are Freud, Klein, and theorists of the object relations movement, e.g., Winnicott, Guntrip, and Bion. Some psychodynamic therapists also draw on Jung or Lacan or Langs. It is a focus that has been used in individual psychotherapy, group psychotherapy, family therapy, and to understand and work with institutional and organizational contexts. In psychiatry, it is has been used for adjustment disorders, as well as posttraumatic stress disorder (PTSD) but more often for personality-related disorders.
1.1K
29 Sep 2022
Topic Review
Molecular Classification of Breast Cancer
Breast cancer is the most commonly occurring cancer in women. There were over two-million new cases in world in 2018. It is the second leading cause of death from cancer in western countries. At the molecular level, breast cancer is a heterogeneous disease, which is characterized by high genomic instability evidenced by somatic gene mutations, copy number alterations, and chromosome structural rearrangements. The genomic instability is caused by defects in DNA damage repair, transcription, DNA replication, telomere maintenance and mitotic chromosome segregation. According to molecular features, breast cancers are subdivided in subtypes, according to activation of hormone receptors (estrogen receptor and progesterone receptor), of human epidermal growth factors receptor 2 (HER2), and or BRCA mutations.
1.1K
26 May 2022
Topic Review
Pro-Inflammatory Molecules
Pro-inflammatory molecules, such as cytokines and chemokines, are produced in the brain by resident cells, mainly by microglia and astrocytes. Brain infiltrating immune cells constitutes another source of these molecules, contributing to an impaired neurological synapse function, affecting typical neurobehavioral and cognitive performance. Currently, there is increasing evidence supporting the notion that behavioral alterations and cognitive impairment can be associated with respiratory viral infections, such as human respiratory syncytial virus, influenza, and SARS-COV-2, which are responsible for endemic, epidemic, or pandemic outbreak mainly in the winter season.
1.1K
02 Jun 2021
Topic Review
Bee Products in Dermatology and Skin Care
Honey, propolis, bee pollen, bee bread, royal jelly, beeswax and bee venom are natural products which have been used in medicine since ancient times. Studies indicate that natural bee products can be used for skin treatment and care. Biological properties of these products are related to flavonoids they contain like: chrysin, apigenin, kaempferol, quercetin, galangin, pinocembrin or naringenin. Several pharmacological activities of phenolic acids and flavonoids, and also 10-hydroxy-trans-2-decenoic acid, which is present in royal jelly, have been reported. Royal jelly has multitude of pharmacological activities: antibiotic, antiinflammatory, antiallergenic, tonic and antiaging. Honey, propolis and pollen are used to heal burn wounds, and they possess numerous functional properties such as: antibacterial, anti-inflammatory, antioxidant, disinfectant, antifungal and antiviral.
1.1K
22 Jul 2022
Topic Review
Pharmacological Effects of
Houttuynia cordata
Thunb (
H. cordata
)
Houttuynia cordata Thunb (H. cordata) is a rhizomatous, herbaceous, and perennial plant widely distributed in Asia. It has multiple chemical constituents, such as alkaloids, essential oils, phenolic acids, and flavonoids used against various health problems. The essential oils and flavonoids are the main components of H. cordata that play an essential role in disease treatment and traditional health care. Moreover, the leaves and stems of H. cordata have a long medicinal history in China. In addition, H. cordata is used against several health issues, such as cold, cough, fever, pneumonia, mumps, and tumors, due to its anti-inflammatory, anti-bacterial, anti-viral, anti-oxidant, and anti-tumor effects.
1.1K
07 Sep 2022
Topic Review
Tea Resists Carcinogenesis
Tea remains one of the most prevalent beverages consumed due in part to its physiological properties. The active compounds in tea, including tea polyphenols, tea polysaccharides, L-theanine, tea pigments, caffeine and other minor composition, can directly or indirectly reduce oncogenesis and cancerometastasis. Interestingly, the different types of tea (such as unfermented green tea, partially fermented oolong tea, and fully fermented black tea or pu-erh tea) have the different anti-cancer property.
1.1K
13 Oct 2021
Topic Review
Advanced Ultrasound Technology in Obstetrics
Over the years, there have been several improvements in ultrasound technologies including high-resolution ultrasonography, linear transducer, radiant flow, three-/ four-dimensional (3D/4D) ultrasound, speckle tracking of the fetal heart, and artificial intelligence. The aims of this entry are to evaluate the use of these advanced technologies in obstetrics in the midst of new guidelines on and new techniques of obstetric ultrasonography. In particular, whether these technologies can improve the diagnostic capability, functional analysis, workflow and ergonomics of obstetric ultrasound examinations will be discussed.
1.1K
24 Sep 2021
Topic Review
Relevance of Crystal Forms in the Pharmaceutical Field
The existence of multiple crystal forms of an active pharmaceutical ingredients (API) is relevant not only for the selection of the best solid material to carry through the various stages of drug development, including the choice of dosage and of excipients suitable for drug development and marketing, but also in terms of intellectual property protection and/or extension. This is because the physico-chemical properties, such as solubility, dissolution rate, thermal stability, processability, etc., of the solid API may depend, sometimes dramatically, on the crystal form, with important implications on the drug’s ultimate efficacy.
1.1K
26 Aug 2022
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