ACE and ACE2 expression in normal and malignant skin lesions

 The renin-angiotensin system (RAS) is known mainly as a regulator of cardiovascular homeostasis. However, it has also been shown to mediate processes such as proliferation, apoptosis, angiogenesis, and carcinogenesis. Nonmelanoma skin cancers (NMSC) — including basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) — are among the most common cancers. The aim of the present study was to determine the immunohistochemical expression of angiotensin-converting enzyme (ACE), angiotensin-converting enzyme 2 (ACE2), and Ki-67 antigen in archival samples of normal skin, actinic keratosis, and malignant skin lesions. Cytoplasmic-nuclear ACE immunoreactivity was observed in 99% of examined cases of both normal skin and cancers. Significantly higher ACE immunoreactivity occurred in normal skin, as compared with BCC and SCC (p < 0.01, p < 0.0001, respectively). Additionally, ACE immunoreactivity was also significantly higher in BCC, compared with SCC (p < 0.05). ACE2 immunoreactivity was noted in basal epidermal layers and in sebaceous gland cells in normal skin, though not in NMSC. These novel observations suggest that ACE and skin RAS may be involved in the pathogenesis of malignant skin lesions.

How does the consumption of processed food affect the pathogenesis of various diseases? - literature review

Introduction and purpose: With the development of civilization, the amount of technology enabling food processing increases. Due to the implementation of these procedures, food can gain new properties that will make it more attractive in the eyes of the consumer. The aim of our work is to collect information on the relationship between the consumption of processed and ultra-processed food and the development of various diseases, with particular emphasis on civilization diseases. State of knowledge: Processed food often contains non-nutritive ingredients, for example, artificial food additives, which have a negative impact on health. Numerous studies demonstrate the correlation between the consumption of ultra-processed food and the development of various diseases. Scientific research suggests that ultra-processed foods may lead to addictive behavioral and biological responses through their reinforcing effects. It also influences the development of various conditions, including obesity, type II diabetes, cardiovascular diseases, depression, and anxiety. Furthermore, its components pass through the placenta. Summary: In light of the research discussed, we are convinced that we cannot remain indifferent to the role of ultra-processed food in the pathogenesis of many diseases. Its multidirectional negative effects show that it is worth conducting further research to discover more consequences of its mechanisms. At the same time, consumers should become more aware of food composition data to be able to make conscious choices and countries should strive to change the food policies

Methadone Maintenance Therapy (MMT) and Alternatives in Opioid Use Disorder: Reviewing the latest advancements, outcomes, and challenges in substitutional therapy for opioid addiction - literature review

Introduction and Purpose: Opioid addiction is a serious challenge for public health worldwide, and methadone maintenance therapy (MMT) is a key therapeutic approach. This review intends to provide an up-to-date summary of the pathophysiology, clinical manifestation, diagnostic techniques, and treatment options for Opioid Use Disorder.   Materials and methods: The literature available in PubMed, Scopus, and Google Scholar databases was reviewed using the following keywords: "MMT," "methadone maintenance therapy", “maintenance therapy”, "opioid use disorder",  "opioid addiction," "methadone”, ”naloxone” “naltrexone”, and “buprenorphine”.   State of Knowledge: This review examines current approaches in maintenance therapy for Opioid Use Disorder (OUD). In the study, we focus on treatments using methadone, buprenorphine, naloxone, and naltrexone. It focuses on recent advancements, comparing the effectiveness, safety, and patient outcomes of these therapies. Key challenges in treatment accessibility and implementation are also discussed, providing an updated overview of the field and identifying areas for future research in opioid addiction therapy. Conclusion: There is a series of studies researching the psychological and behavioral problems associated with opioid addiction. This research has given medical practitioners valuable guidance on effective management techniques. According to the authors, compared to other alternative treatment methods, methadone maintenance therapy (MMT) is still considered the most effective pharmacotherapeutic method in the treatment of opioid addiction. Nevertheless, ongoing research is essential to improve diagnostic processes, develop innovative therapies, and enhance the overall quality of care for those affected by these challenges

Defining the actinic keratosis field: a literature review and discussion

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Evaluation of the occurrence of sexual dysfunction and general quality of life in female patients with psoriasis

Background: Psoriasis has a significant impact on quality of life (QoL). Sexual life can also be affected, with sexual dysfunction being reported by 25-70% of patients. Objectives: To determine the occurrence of sexual dysfunction and evaluate QoL in women with psoriasis. Methods: This case-control study included women aged 18-69 years. The validated Brazilian Portuguese versions of the Female Sexual Function Index (FSFI) and of the Medical Outcomes Study 36-Item Short Form Health Survey (SF-36) were administered to all participants to assess sexual function and QoL, respectively. Patients with psoriasis underwent clinical evaluation for the presence of comorbidities, especially psoriatic arthritis and other rheumatic manifestations. Location of lesions and the extent of skin involvement were also assessed. Results: The sample consisted of 150 women, 75 with diagnosis of psoriasis and 75 healthy controls. Prevalence of sexual dysfunction was high in women with psoriasis (58.6% of the sample). Prevalence was statistically higher in women with psoriasis than in controls (P = 0.014). The SF-36 domain scores were also lower in women with psoriasis, with role limitations due to physical health, limitations due to emotional problems, and mental health being the most affected domains. Study limitations: Sample size was calculated to evaluate the association between the occurrence of sexual dysfunction and psoriasis, but it did not include the determination of the possible causes of this dysfunction. Conclusions: QoL and sexual function were altered in women with psoriasis and should be taken into consideration when assessing disease severity