Results 1 to 10 of about 13,359 (150)

Melan-YOLO: a dual-strategy framework with custom architectures for accurate and efficient underwater object detection. [PDF]

Sci Rep
Effective autonomous monitoring of marine litter is vital to reduce marine pollution and protect marine ecosystems. However, current underwater detection systems face significant challenges, primarily due to poor image quality caused by light scattering ...
Fındıkçı A, Erten MY, Aydilek H.
europepmc   +2 more sources

Melan-Dx: a knowledge-enhanced vision-language framework improves differential diagnosis of melanocytic neoplasm pathology. [PDF]

NPJ Digit Med
Melanoma is one of the top 5 cancer types, causes most deaths among skin cancers, and can be frequently misdiagnosed. Recent pathology image foundation models remain difficult to make accurate differential diagnosis across over forty melanocytic neoplasm
Yao J, Li S, Liang P, Xu X, Elder D, Huang Z.   +5 more
europepmc   +2 more sources

Influence of pigment epithelium-derived factors on H₂O₂-induced oxidative damage and melanin synthesis in Melan-a cells. [PDF]

Biol Res
Background Previous studies have demonstrated that oxidative stress and melanogenesis are regulated by the Wnt/β-catenin signaling pathway. However, the precise mechanism by which the PEDF/Wnt/β-catenin axis modulates apoptosis and melanogenesis remains ...
Cui Y, Ye F, Hou Z, Li G, Li L, Zhao H, Hu D, Yin Z, Chen L, Ning H, Ge Y, Pang Q.   +11 more
europepmc   +2 more sources

Expression of Melan-A (MART-1) in Various Pigmented Melanocytic Nevi and Close Mimickers [PDF]

Journal of Clinical and Diagnostic Research, 2022
Introduction: Melanocytic nevi are neoplasms resulting from the proliferation of melanocytes. Diagnosis of melanocytic tumours can be tricky, considering two factors, diagnosis of origin and determination of its benign or malignant nature.
R Shubha Sangeetha, Prakhar Garg, Nikita Jaju, YA Manjunatha   +3 more
doaj   +1 more source

Hepatic perivascular epithelioid cell tumor (PEComa): a case report with a review of literatures [PDF]

Clinical and Molecular Hepatology, 2017
Hepatic perivascular epithelioid cell tumors (PEComas) are very rare. We report a primary hepatic PEComa with a review of the literature. A 56-year-old women presented with a nodular mass detected during the management of chronic renal failure and ...
Hyun-Jin Son, Dong Wook Kang, Joo Heon Kim, Hyun Young Han, Min Koo Lee   +4 more
doaj   +1 more source

Extracutaneous Melanotic Melanoma with Nervous System Involvement in a Buffalo (Bubalus bubalis)

Veterinary Sciences, 2023
Melanomas are tumors arising from externally uncontrolled melanocytes that produce varying amounts of melanin. In this study, we report a case of melanoma with neurological impairment without evidence of cutaneous neoplastic lesions in an adult buffalo ...
José Diomedes Barbosa, Mariana Correia Oliveira, Carlos Magno Chaves Oliveira, Henrique dos Anjos Bomjardim, Tatiane Teles Albernaz Ferreira, Marcos Dutra Duarte, José Alcides Sarmento da Silveira, Natália da Silva e Silva Silveira, Camila Cordeiro Barbosa, Aluízio Otávio Almeida da Silva, Anibal Armién, Marilene de Farias Brito   +11 more
doaj   +1 more source

Expression of Melan-A in Depigmented Skin of Vitiligo Patients

Berkala Ilmu Kesehatan Kulit dan Kelamin (Periodical of Dermatology and Venerology), 2020
Background: Vitiligo is an acquired and commonly found pigmentation disorder characterized by milky-white patches on the skin, hair, and mucosa due to melanocyte damage. The cause of vitiligo is still unclear.
Tjokorde Istri Nindya Vaniary, M. Yulianto Listiawan, Dwi Murtiastutik   +2 more
doaj   +1 more source

PRAME Immunocytochemistry for the Diagnosis of Melanoma Metastases in Cytological Samples

Diagnostics, 2022
(1) Background: Fine-needle aspiration cytology is often used for the pre-operative diagnosis of melanoma metastases. The diagnosis may not be confidently established based on morphology alone, and immunocytochemistry is mandatory. The choice of the most
Andrea Ronchi, Federica Zito Marino, Elvira Moscarella, Gabriella Brancaccio, Giuseppe Argenziano, Teresa Troiani, Stefania Napolitano, Renato Franco, Immacolata Cozzolino   +8 more
doaj   +1 more source

The Role of Vitamin A on the Histology of Skin of Adult Rats After Exposure to UVB [PDF]

Modern Medicine
Background: long-term exposure of skin to sun (UV light) may produce different dermatological changes. The aim of this experiment is to explore the protective effects of oral vitamin A on skin subjected to UVB.
Harith Ali Hasan AL-NAUIMI, Ashraf Abdulraheem AYOOB, Ahmed Hisham QASSIM   +2 more
doaj   +1 more source

Anti-Melanogenic Activity of Gagunin D, a Highly Oxygenated Diterpenoid from the Marine Sponge Phorbas sp., via Modulating Tyrosinase Expression and Degradation

Marine Drugs, 2016
Tyrosinase is the rate-limiting enzyme critical for melanin synthesis and controls pigmentation in the skin. The inhibition of tyrosinase is currently the most common approach for the development of skin-whitening cosmetics.
Ho Yeon Lee, Eun Jeong Jang, Song Yi Bae, Ju-eun Jeon, Hyen Joo Park, Jongheon Shin, Sang Kook Lee   +6 more
doaj   +1 more source