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Topic Review
Biography
Topic Review
Virus Filter Foulants
The major classes of foulants in virus filtration. This includes irreversible and reversible product aggregates and minor product variants that differ in their charge or hydrophobicity. Product variants arise because mammalian cell-derived biotherapeutics are heterogeneous. The product is defined based on the production process and not on a single molecular species. Product variants with different post-translational modifications can have different hydrophobicity, charge, and conformations. If present, HCP, proteases, and nucleic acids can also foul the virus filter.
471
25 Apr 2022
Topic Review
Virus Elimination in Plants
Virus elimination from plants is mostly based on the in vitro culture of isolated meristem, and in addition thermotherapy, chemotherapy, electrotherapy, and cryotherapy can also be applied. Treatments can result in low rate of survival, inhibited growth, incomplete development, or abnormal morphology. The rate of destruction depends on the genotypes and physiological condition of plants. There are several ways to decrease the harmful effect of treatments.
5.6K
31 May 2021
Topic Review
Virus and Cellular Senescence
Cellular senescence is considered a stress response that protects cells against malignant transformation, facilitates tissue repair and development, and prevents virus replication. However, excessive accumulation of senescent cells is associated with chronic diseases such as age-related disorders, cancer, inflammatory diseases and virus replication. The relationship between virus and cellular senescence is proving to be very complex. Cellular senescence can be induced in response to virus infection restricting virus propagation. Some viruses are able to exploit the senescence program to improve their replication, while others have developed strategies to subvert senescence. Therapeutic approaches to eliminate senescent cells may be used as a mechanism to ameliorate age-related diseases, but they may have an impact on virus replication.
985
29 Dec 2020
Topic Review
Virus and Accelerated Brain Aging
Accelerated brain aging is often related to enhanced neurodegeneration, which includes loss of neuronal cell structure and function due to (1) metabolic changes, (2) neuronal cell death (3) decline in the neuronal network, (4) neuronal functional deficiency, (5) decline in neuronal regeneration, or (6) a combination of the mentioned reasons. It also includes functional and structural changes of the glial cells, resulting in demyelination and gliosis. Neurodegeneration is aggravated by neuroinflammation, which contributes substantially to accelerated brain aging. Neuroinflammation usually correlates with the activation of microglia, the resident macrophages and innate immune cells of the brain.
603
03 Aug 2021
Topic Review
Virulent Peptides, Streptococcus suis Pathogenesis
The virulence factors and pathogenesis of S. suis are inconclusive. Here, the associated proteins, or their derived peptides, involved in the survival of S. suis when simulated with a blood environment are demonstrated. The results reveal the derived peptides or proteins of S. suis potentially serving as the putative virulence factors. Further studies based on our findings could be used to fulfill the knowledge gap of S. suis pathogenesis.
586
09 Sep 2021
Topic Review
Virulence Factors of UPEC-Associated Urinary Tract Infections
Urinary tract infections (UTIs) are among the most common bacterial infections, especially among women and older adults, leading to a significant global healthcare cost burden. Uropathogenic Escherichia coli (UPEC) are the most common cause and accounts for the majority of community-acquired UTIs. Infection by UPEC can cause discomfort, polyuria, and fever. More serious clinical consequences can result in urosepsis, kidney damage, and death. UPEC is a highly adaptive pathogen which presents significant treatment challenges rooted in a complex interplay of molecular factors that allow UPEC to evade host defences, persist within the urinary tract, and resist antibiotic therapy.
242
15 Sep 2023
Topic Review
Virulence Factors of Group B Streptococcus
Group B Streptococcus (GBS) or Streptococcus agalactiae is a major cause of neonatal mortality. When colonizing the lower genital tract of pregnant women, GBS may cause premature birth and stillbirth. If transmitted to the newborn, it may result in life-threatening illnesses, including sepsis, meningitis, and pneumonia. Moreover, through continuous evolution, GBS can use its original structure and unique factors to greatly improve its survival rate in the human body.
593
07 Jan 2023
Topic Review
Virulence Factor of
Legionella
Pathogenic species of Legionella can infect human alveolar macrophages through Legionella-containing aerosols to cause a disease called Legionellosis, which has two forms: a flu-like Pontiac fever and severe pneumonia named Legionnaires’ disease (LD). Legionella is an opportunistic pathogen that frequently presents in aquatic environments as a biofilm or protozoa parasite. Long-term interaction and extensive co-evolution with various genera of amoebae render Legionellae pathogenic to infect humans and also generate virulence differentiation and heterogeneity.
680
13 Jan 2023
Topic Review
Virucidal Efficacy of Laundering
Viruses contribute significantly to the burden of infectious diseases worldwide. Although there are multiple infection routes associated with viruses, it is important to break the chain of infection and thus consider all possible transmission routes. Consequently, laundering can be a means to eliminate viruses from textiles, in clinical settings well as for domestic laundry procedures. Several factors influence the survival and inactivation of microorganisms, including viruses on hard surfaces and textiles. Therefore, textiles should be regarded as potential fomites. While in clinical and industrial settings laundry hygiene is ensured by standardized processes, temperatures of at least 60 °C and the use of oxidizing agents, domestic laundry is not well defined. Thus, the parameters affecting viral mitigation must be understood and prudently applied, especially in domestic laundering. Laundering can serve as a means to break the chain of infection for viral diseases by means of temperature, time, chemistry and mechanical action.
486
15 Nov 2022
Topic Review
Virucidal Activity of Different Mouthwashes
This entry describes the effect of mouthwash on the stability of the viral envelope and its ability to reduce the viral load.
888
31 Dec 2021
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