Hepatocellular carcinomas exhibit a unique canalicular immunocytochemical staining pattern with polyclonal antibodies directed against carcinoembryonic antigen (pCEA). The use of this method to facilitate a definitive diagnosis of hepatocellular carcinoma on fine needle aspirates of the liver was evaluated using aspirates and the corresponding core biopsy samples from nine cases. Immunoperoxidase staining with pCEA produced an identical canalicular staining pattern in 6 (66%) of 9 aspirates and 6 (75%) of 8 biopsy samples. The negative results in three aspirates may be due to their lack of the tissue fragments necessary to show this staining pattern. These findings indicate that the expression of this unique immunocytochemical staining pattern may aid in the diagnosis of primary hepatocellular carcinoma by fine needle aspiration cytology.
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Acupunct Med
January 2025
Combination of Acupuncture and Medicine Innovation Research Center, Shaanxi University of Chinese Medicine, Xianyang, China.
Objective: Cognitive impairment (CI) is highly prevalent in subarachnoid hemorrhage (SAH) patients. The phosphatidylinositol 3-kinase (PI3K)/AKT pathway plays a critical role in neuronal survival in a variety of central nervous system injuries. This study aimed to determine whether electroacupuncture (EA) at and LI20 ameliorates SAH-CI in a rat model and to examine whether it modulates the PI3K/AKT pathway by administering a PI3K inhibitor (LY294002) versus dimethyl sulfoxide (DMSO) vehicle.
View Article and Find Full Text PDFAm J Surg Pathol
January 2025
Department of Pathology.
Despite being designated as "noncarcinogenic" human papillomavirus (HPV) types, mono-infection with HPV6 or HPV11 has been found in squamous cell carcinomas (SCCs) at specific sites, including the larynx, penis, anus, and rarely, the lower female genital tract. The association between clinicopathologic features, viral status, and the carcinogenic mechanisms related to these low-risk HPVs remains unclear. The current study characterizes a series of low-risk HPV6 and HPV11-associated SCCs of the uterine cervix (6 cases) and vulva (2 cases).
View Article and Find Full Text PDFExp Ther Med
March 2025
OrthoLab, The Rudbeck Laboratory, Department of Surgical Sciences/Orthopedics, Uppsala University, 75185 Uppsala, Sweden.
Silver (Ag) possesses potent antimicrobial properties and is used as a coating for medical devices. The impact of silver ions released from orthopedic implants on the differentiation and osteoid formation of different osteogenic cells has yet to be systematically studied. In the present study, human mesenchymal stem cells (hMSCs) and primary human osteoblasts (hOBs) were exposed to different static Ag concentrations (0, 0.
View Article and Find Full Text PDFBMC Cancer
January 2025
Basic Research Center, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Center, School of Medicine, Sichuan Cancer Hospital & Institute, University of Electronic Science and Technology of China, Chengdu, China.
Background: CD3 + CD20 + T cells (T cells) are a subset of lymphocytes in the human body that are associated with inflammation. They originate from T cells interacting with B cells, and their levels are abnormally elevated in individuals with immune disorders, as well as in some cancer patients. The interplay between tumor immunity and inflammation is intricate, yet the specific involvement of T cells in local tumor immunity remains uncertain, with limited research on their subtypes.
View Article and Find Full Text PDFSci Rep
January 2025
Laboratório de Citogenética e Citometria, Departamento de Biologia Geral, Universidade Federal de Viçosa. ZIP, 36.570-900, Viçosa - MG, Brazil.
Repetitive sequences are recognized for their roles in plant genome organization and function. Mobile elements are notable repeatome sequences due to their intrinsic mutagenic potential, which is related to the origin of adaptive novelties. Understanding the genomic organization and dynamics of the repeatome is fundamental to enlighten their role in plant genome evolution.
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