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The clinical course of neuromuscular disorders (NMDs) can be affected by infections, both in immunocompetent individuals, and in those with reduced immunocompetence due to immunosuppressive/immunomodulating therapies. Zoligratinib clinical trial Infections and immunizations may also trigger NMDs. There is a potential for reduced efficacy of immunizations in patients with reduced immunocompetence. The recent vaccination program for coronavirus disease-2019 (COVID-19) raises several questions regarding the safety and efficacy of this vaccine in individuals with NMDs. In this Practice Topic article, we address the role of vaccine-preventable infections in NMDs and the safety and efficacy of immunization in individuals with NMDs, with emphasis on vaccination against COVID-19.

Epidermolysis bullosa simplex (EBS) is a heterogeneous group of inherited disorders characterized by skin fragility due to intraepidermal separation. Most cases result from heterozygous mutations in KRT5 or KRT14; however, a minority of affected individuals carry mutations in non-keratin genes including DST encoding an epithelial isoform of dystonin. DST-associated EBS is transmitted as an autosomal recessive trait. Here, we report a series of EBS patients carrying bi-allelic DST mutations and review previously reported cases aiming to delineate phenotype-genotype correlations.

Whole-exome and direct sequencing were used for variant analysis. Review of previously reported cases was performed.

Mutation analysis revealed DST mutations in five patients belonging to three families. Two variants have not been previously reported c.7097dupA (p.Tyr2366X) and c.7429delC (p.Leu2477Serfs*13). We identified an additional six cases in the literature, bringing the total number of individuals affected with EBS due to DST variants to 11. Patients displayed distinctive phenotypes regardless of the causative variant.

The current study expands the clinical and genetic spectrum of DST-associated EBS subtype.

The current study expands the clinical and genetic spectrum of DST-associated EBS subtype.

Despite Helicobacter pylori (HP) eradication, individuals can still develop gastric cancer (GC). Prior studies have demonstrated that nonaspirin nonsteroidal anti-inflammatory drugs (NA-NSAIDs) reduce the risk of GC, but this may be caused by immortal time bias and failure to adjust for HP status. The objective of this study was to investigate whether NA-NSAIDs reduced the risk of GC in patients who undergo H. pylori eradication.

Adult patients who had received clarithromycin-based triple therapy between 2003 and 2016 were identified from a territory-wide health care database. Exclusion criteria included prior GC or GC diagnosed <6 months after HP eradication, prior gastrectomy, gastric ulcer after HP eradication, and failure of triple therapy. Covariates included age, sex, prior peptic ulcer disease, other comorbidities, and concurrent medications (aspirin, proton pump inhibitors, statins, and metformin). To avoid immortal time bias, NA-NSAID use (≥90 days) was treated as a time-dependent variable in eventive effect of NA-NSAIDs observed in prior studies may have been confounded by immortal time bias.

Acne vulgaris is a chronic inflammatory skin disease that affects the pilosebaceous unit. Although it is considered to be a skin-limited disease, different clinical studies have recently been published in which the disease is accompanied by systemic symptoms. In this study, systemic comorbidities accompanying acne vulgaris and the relationship between existing comorbidities and disease severity are investigated.

This prospective multicenter study was conducted by the Turkish Society of Dermatology Acne Study Group. Twelve dermatology clinics and 14 clinicians throughout Turkey participated in the study. A structured physician-administered questionnaire was used to collect patient demographics, clinical findings, and lifestyle data. Physicians recorded each participant's medical history, including current and past comorbidities, duration of any comorbidity, smoking, and drinking. Body mass index (BMI) was calculated.

There were 3022 patients in the adolescent acne group and 897 in the control group. The incidence of nonmigraine headache in adolescents with acne was significantly higher than in the nonacne group (P=0.019). There were 680 patients in the postadolescent acne group and 545 in the control group. In the postadolescent group, incidence of metabolic disease was lower than the control group (P=0.003). In the postadolescent group, premenstrual syndrome (P<0.001) and PCOS (P=0.007) were more common than the control group.

In this study, we observed that acne vulgaris does not cause systemic comorbidities. There is also a need for new studies involving a large number of patients to illuminate systemic diseases accompanying acne vulgaris.

In this study, we observed that acne vulgaris does not cause systemic comorbidities. There is also a need for new studies involving a large number of patients to illuminate systemic diseases accompanying acne vulgaris.For many years, it was postulated that the brain is the organ behind the barrier with an autonomous need for its maintenance. This view has been changed by the concept that the central nervous system is sensitive to the immune processes occurring in the periphery as well as to the infiltration of peripheral immune cells. However, how the immune system might contribute to the development of neurodegenerative diseases, such as Parkinson's disease (PD), remains unclear. PD is a chronic neurodegenerative disorder that affects motor and cognitive functions. Although the precise cause of PD is unknown, studies in both mice and human suggest that alterations in the innate immunity may play a critical role in modulating PD progression. Here, we review recent advancements in our understanding of inflammation and the innate immune mechanisms in PD pathology.Pellagra is a clinical syndrome caused by a deficiency of niacin (nicotinic acid) and/or its precursor tryptophan. The cardinal manifestations are 4 D's dermatitis, diarrhoea, dementia and in worst case death. Increased use of isoniazid prophylaxis along with antiretroviral therapy in countries where latent tuberculosis is common has been associated with increased presentations with pellagra.