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Topic Review
Therapeutic Options for IgA Nephropathy
In 1968, Jean Berger first introduced the medical world to IgA nephropathy (IgAN). Fifty-five years later, its pathogenesis is still unclear, but treatments such as renin–angiotensin–aldosterone system inhibitors (RAAS-Is), tonsillectomies, and glucocorticoids are currently used worldwide. There have been great strides in the past 20 years since the discoveries of the specific dysregulation of mucosal immunity, galactose-deficient IgA1 (Gd-IgA1), and Gd-IgA1 immune complexes in patients with IgAN. According to these findings, a multi-hit hypothesis was developed, and this multi-hit hypothesis has provided several putative therapeutic targets.
  • 123
  • 22 Jan 2024
Topic Review
Monogenic Parkinson’s Disease in Populations of Non-European Ancestry
Existing data reveal a pronounced heterogeneity in the genetic background of parkinson’s disease (PD). A number of common variants in populations of European ancestry appeared to be absent or scarce in patients of diverse ethnic backgrounds. Large-scale studies that include genetic screening in African, Asian or Latin American populations are underway. The outcomes of such efforts will facilitate further clinical studies and will possibly contribute to the identification of either new pathogenic mutations in already described genes or novel PD-related genes.
  • 157
  • 22 Jan 2024
Topic Review
Omental Bursa in Ovarian Cancer
The omental bursa (OB), also referred to as the lesser peritoneal sac, is a natural space situated between the stomach and the pancreas.
  • 101
  • 22 Jan 2024
Topic Review
Pathophysiology of HFpEF
Heart failure (HF) with preserved ejection fraction (HFpEF) is an increasingly frequent form and is estimated to be the dominant form of HF. On the other hand, HFpEF is a syndrome with systemic involvement, and it is characterized by multiple cardiac and extracardiac pathophysiological alterations.
  • 347
  • 22 Jan 2024
Topic Review
The Role of the Complement System in HUS
Hemolytic uremic syndrome (HUS) is an acute disease and the most common cause of childhood acute renal failure. HUS is characterized by a triad of symptoms: microangiopathic hemolytic anemia, thrombocytopenia, and acute kidney injury. In most of the cases, HUS occurs as a result of infection caused by Shiga toxin-producing microbes: hemorrhagic Escherichia coli and Shigella dysenteriae type 1. They account for up to 90% of all cases of HUS. The remaining 10% of cases grouped under the general term atypical HUS represent a heterogeneous group of diseases with similar clinical signs. Emerging evidence suggests that in addition to E. coli and S. dysenteriae type 1, a variety of bacterial and viral infections can cause the development of HUS. In particular, infectious diseases act as the main cause of aHUS recurrence. The pathogenesis of most cases of atypical HUS is based on congenital or acquired defects of complement system. 
  • 125
  • 22 Jan 2024
Topic Review
Androgen Receptor’s Role in Triple Negative Breast CancerBC
Triple negative breast cancer (TNBC) comprises 10–20% of diagnosed breast cancers. TNBCs are devoid of common biomarkers such as an estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2). Research is being conducted to determine the androgen receptor’s (AR) role in TNBC and determine its ability to be utilized as an effective drug target in the absence of the commonly targeted receptors. 
  • 119
  • 22 Jan 2024
Topic Review
Ten Issues for Updating in Community-Acquired Pneumonia
Community-acquired pneumonia represents the third-highest cause of mortality in industrialized countries and the first due to infection. Although guidelines for the approach to this infection model are widely implemented in international health schemes, information continually emerges that generates controversy or requires updating its management.
  • 114
  • 22 Jan 2024
Topic Review
Dysuricemia on the Path toward Normouricemia
The disease concept of “dysuricemia” includes hyperuricemia and hypouricemia. Both influence diseases in humans. Uric acid plays dual roles in oxidative stress: it has both an anti-oxidative protective effect and a pro-oxidative and/or a harmful crystal-forming effect. Extensive research on the relationship between the serum urate (SU) level and several common disease risks show characteristic patterns that are broadly classifiable into three patterns: the “gout pattern,” “neurodegenerative disease (ND) pattern,” and “chronic kidney disease (CKD) and cardiovascular disease (CVD) pattern”. In short, “the lower, the better” is incorrect; the ideal is to maintain normouricemia, or an optimal SU level, to reduce the risks of the common diseases associated with dysuricemia.
  • 188
  • 22 Jan 2024
Topic Review
Characteristics and Treatment of Elderly-Onset Rheumatoid Arthritis
Elderly-onset rheumatoid arthritis (EORA) is a distinct clinical entity defined as the onset of rheumatoid arthritis (RA) in individuals aged over 60 years. EORA presents unique clinical features, including a more equitable distribution of sexes, a potential predilection for male involvement, a higher incidence of acute onset characterized by constitutional symptoms, a propensity for systemic manifestations, elevated sedimentation rates at disease onset, a reduced occurrence of rheumatoid factor positivity, increased titers of anti-citrullinated protein antibodies, a preference for involvement of large joints, elevated disease activity, the presence of bone erosions, and heightened patient disability.
  • 218
  • 21 Jan 2024
Topic Review
Japanese Cedar (Cryptomeria japonica D. Don) Pollen Information
About 40% of cedar pollinosis patients living in the Yamagata Prefecture showed pollinosis symptoms before the first day of the pollen season, which was determined by Durham samplers, the standard sampler for pollen information in Japan. The amount of Cry j 1 (major cedar pollen allergen) per cedar pollen is reported to be six pg. This amount is difficult to measure using the ELISA method. It revealed that Cry j 1 exists in orbicles and tapetum. It is presumed that it is smaller than pollen, so it comes from a place where cedar are already in bloom. It is desirable to obtain real-time information on an hourly basis. Currently, information from automatic cedar pollen monitors is becoming main-stream. However, this monitor may count during snowfalls, Asian dust flying, etc., even when there was no apparent pollen examined with a microscope.
  • 118
  • 19 Jan 2024
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