Medicinal – Page 63

Emerging Infections Network Survey of Screening for Cryptococcal Antigenemia, United States, 2024

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Researchers surveyed infectious disease doctors across the United States about their use of a blood test (cryptococcal antigen screening) to detect a serious fungal infection in HIV patients before symptoms appear. Only about one-third to two-thirds of doctors regularly perform this inexpensive and accurate test, depending on the patient’s immune system status. Many doctors were unsure about the benefits and guidelines for this screening, suggesting that education and clearer guidelines could help more patients catch this dangerous infection early and receive treatment before it becomes life-threatening.

Ploidy plasticity drives fungal resistance to azoles used in agriculture and clinics

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Agricultural fungicides called azoles can cause fungi to change their genetic makeup in ways that make them resistant to medical antifungal drugs. Researchers found that when Candida tropicalis (a fungal pathogen) is exposed to tebuconazole, an agricultural fungicide, it can transform into a haploid form (with half the normal chromosomes) that is resistant to both agricultural and clinical azoles. This discovery helps explain why fungal infections are becoming harder to treat in hospitals.

Therapeutic and Preventive Potential of Plant-Derived Antioxidant Nutraceuticals

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This comprehensive review explores how compounds found in plants can protect our bodies from harmful damage caused by oxidative stress, which is linked to aging and various diseases. Plant-based foods rich in antioxidants like berries, leafy greens, and olive oil contain special molecules that can help prevent cancer, heart disease, diabetes, and other chronic conditions. The review highlights that these natural compounds work through multiple beneficial mechanisms beyond just antioxidant activity, making plant-based diets an effective strategy for maintaining health and preventing disease.

Rediscovery of viomellein as an antibacterial compound and identification of its biosynthetic gene cluster in dermatophytes

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Researchers discovered that skin-infecting fungi called dermatophytes produce a red pigment called viomellein that kills bacteria. By studying the genes responsible for making viomellein, scientists found that this compound may help dermatophytes establish infections by eliminating competing bacteria on the skin. This discovery could explain how these fungi successfully colonize human skin and may lead to new treatment strategies for stubborn fungal infections.

Molecular identification of yeast communities isolated from nail specimens by PCR-RFLP and PCR-FSP methods

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This study developed and compared two molecular methods to accurately identify different yeast species that cause nail infections. Researchers tested 269 patient samples and found that both PCR-RFLP and PCR-FSP methods were effective, with PCR-FSP being better at identifying rare yeast species. These methods help doctors identify the exact type of yeast causing infection, which is important for selecting the right antifungal medication for treatment.

One-Health Approach to Managing Aflatoxin-Producing Aspergillus flavus Using Spent Mushroom Substrate of Pleurotus spp

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This study shows that leftover substrate from growing oyster and red mushrooms can work together with a common antifungal fungicide to better prevent harmful Aspergillus fungi from contaminating corn. The combination of mushroom waste and fungicide was more effective than using either alone, and could potentially reduce the amount of chemicals needed in agriculture while protecting the environment and preventing drug resistance.

Naganishia albidus Causing Perioral Cutaneous Infection: A Rare Case Easily Misdiagnosed

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A 37-year-old man developed an unusual fungal skin infection around his mouth caused by Naganishia albidus, a rare yeast. He was initially misdiagnosed with eczema and his condition worsened with wrong treatment. Advanced fungal testing techniques helped identify the correct organism, and after six weeks of antifungal medication (both oral and topical), his skin completely cleared. This case shows why doctors need to consider rare fungal infections when skin problems don’t respond to typical treatments.

A case report of disseminated histoplasmosis not responding to primary treatment by itraconazole

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A 28-year-old woman developed a fungal infection called histoplasmosis after having a tooth extracted, with the infection spreading to her lungs and sinuses. She was initially given a common antifungal medication called itraconazole, but her condition continued to worsen despite increasing the dose. When doctors switched her to a stronger medication called liposomal amphotericin B given intravenously, she improved dramatically and recovered fully. This case shows the importance of recognizing when a standard fungal treatment is not working and switching to more aggressive therapy.

Isolation, identification and antibacterial activity of endophytes from the seeds of Panax japonicus

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This study investigated microscopic organisms living inside Panax japonicus seeds to understand why these seeds are difficult to grow. Researchers found the best way to clean the seeds and identified ten different microorganism species living in them. Most of these were fungi that may actually prevent seed germination, while certain bacteria species appear beneficial for plant growth and could potentially be used to improve seed cultivation in the future.

Clinical significance and outcomes of adult living donor liver transplantation for acute liver failure: a retrospective cohort study based on 15-year single-center experience

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Researchers studied 267 patients with acute liver failure over 15 years to compare two types of liver transplants: using living donors versus deceased donors. Living donor transplants worked just as well as deceased donor transplants, with similar patient survival rates, but allowed faster surgery before patients became critically ill. When a suitable living donor was available, performing the transplant quickly before severe brain complications developed led to better patient outcomes.

Research Topic: Medicinal