5,077 results match your criteria: "College of Basic Medical Sciences[Affiliation]"

Long non-coding RNA HOTAIR promotes tumorigenesis by affecting proliferation, invasion, migration and apoptosis of liver cancer cells.

Folia Histochem Cytobiol

November 2024

Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin, P.R. China.

Introduction: Increasing evidence shows that Hox transcript antisense RNA (HOTAIR) plays a vital role in liver cancer initiation and progression by affecting the proliferation, invasion, migration and apoptosis of liver cancer cells. However, the underlying mechanism of how HOTAIR exerts its functions in liver cancer cells remains unclear. Previous studies have shown that HOTAIR affects the invasion and migration of liver cancer cells by regulating the expression of E-cadherin.

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A penetrating brain injury is a rare type of neurosurgical trauma associated with extremely high mortality and disability rates. Penetrating skull base injuries caused by arrows seldom occur because injuries caused by such weapons are more likely to be accidental. However, the number of self-inflicted injuries is increasing, and these injuries have varying patterns and high mortality rates.

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Splicing factor SRSF1 attenuates cardiomyocytes apoptosis via regulating alternative splicing of Bcl2L12.

Cell Biosci

November 2024

Zhuhai People's Hospital (Zhuhai Clinical Medical College of Jinan University), Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Jinan University, Zhuhai, 519000, Guangdong, China.

Background: Aberrant alternative splicing (AS) events, triggered by the alterations in serine/arginine splicing factor 1 (SRSF1), a member of the SR protein family, have been implicated in various pathological processes. However, the function and mechanism of SRSF1 in cardiovascular diseases remain unclear.

Results: In this study, we found that the expression of SRSF1 was significantly down-regulated in the hearts of mice with acute myocardial infarction (AMI) and H9C2 cells exposed to HO.

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The KCNB2 gene and its role in neurodevelopmental disorders: Implications for genetics and therapeutic advances.

Clin Chim Acta

January 2025

Department of Genetics, College of Basic Medical Sciences, Jilin University, Changchun 130021, China. Electronic address:

Article Synopsis
  • Neurodevelopmental disorders (NDDs) have been increasingly connected to genetic mutations, particularly in the KCNB2 gene, which plays a vital role in neuronal function.
  • Mutations in KCNB2 disrupt potassium channel inactivation, leading to conditions such as autism spectrum disorders, intellectual disabilities, and epilepsy.
  • The review highlights the need for further research addressing the molecular mechanisms of KCNB2, its cognitive effects, and potential treatments, including pharmacological approaches and gene therapy.
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Unlabelled: The inner membrane complex (IMC), a double-membrane organelle underneath the plasma membrane in apicomplexan parasites, plays a significant role in motility and invasion and confers shape to the cell. We characterized the function of PbIMC1g, a component of the IMC1 family member in . PbIMC1g is recruited to the IMC in late schizonts, activated gametocytes, and ookinetes.

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Germline Alteration Analysis Reveals EPHB4R91H Mutation as a Key Player in Multiple Primary Lung Tumors.

Carcinogenesis

November 2024

Priority Research Centre for Healthy Lungs, School of Biomedical Sciences and Pharmacy, Faculty of Health and Hunter Medical Research Institute, University of Newcastle, Callaghan, Australia.

Multiple primary lung tumor is garnering attention from clinicians, with adenocarcinoma emerging as the predominant histological type. Because of the heterogeneity and diffuse distribution of lesions in the same patient, the treatment of multiple primary lung adenocarcinoma (MPLA) is a significant challenge. As a kind of variation unaffected by tumor heterogeneity, germline alterations may play a key role in the development of MPLA.

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Characterization of a novel cold-active β-Xylosidase from Parabacteroides distasonis and its synergistic hydrolysis of beechwood xylan.

Int J Biol Macromol

January 2025

College of Basic Medical Sciences, Hubei University of Chinese Medicine, No.16, Huangjiahu West Road, Hongshan district, Wuhan, Hubei 430065, China; Key Laboratory of Traditional Chinese Medicine Resource and Compound Prescription, Ministry of Education, Hubei University of Chinese Medicine, Wuhan 430065, China; Hubei Shizhen Laboratory, Wuhan 430061, China. Electronic address:

Although β-xylosidases have broad applications in fields such as food and medicine, there is limited research on cold-active β-xylosidases. This study cloned a novel cold-active β-xylosidase XYL13 from Parabacteroides distasonis. The purified XYL13 exhibited the highest activity at 40 °C, with 42 % and 25 % of its maximum activity at 4 °C and 0 °C, respectively.

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Traditional tumor treatment faces great challenge owning to inherent drawbacks. Activatable prodrugs with multi-modality therapeutic capacity are highly desired. In this consideration, a responsiveness-released multi-in-one nanoplatform, PLGA-PEG@HC, toward cervical cancer therapy was innovatively developed.

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Disaster-Related Wound Care: A Scoping Review.

Nurs Open

November 2024

Department of Military Nursing, School of Nursing, Army Military Medical University, Chongqing, China.

Aim: To better understand the research status and demand of society on disaster-related wound care.

Design: Scoping review.

Methods: A systematic search and screening was conducted in PubMed, CINAHL, Embase, WHO Guidelines, Cochrane Library, ISI Web of Science, MEDLINE and China National Knowledge Infrastructure (CNKI) Database, and 31 articles were selected from 244 articles for critique and synthesis.

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Switchable ROS generator and scavenger to prevent the cisplatin induced acute kidney injury and improve efficacy via synergistic chemodynamic/immune therapy.

Mater Today Bio

December 2024

Functional Magnetic Resonance and Molecular Imaging Key Laboratory of Henan Province, Department of Magnetic Resonance Imaging, First Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, 450001, China.

Acute kidney injury (AKI) induced by cisplatin (DDP), which is accompanied with the generation of reactive oxygen species (ROS), is a severe side effect during treatment and restricts the application of DDP. In this study, we develop ultrasmall MnO nanozyme (UMON) with tumor microenvironment (TME) responsive ROS scavenging and generating as adjuvant to alleviate DDP induced AKI with improved efficacy. In kidney, UMON with superoxide dismutase and catalase activity acts as ROS scavenger to eliminate ROS generated by DDP, successfully protecting the renal cells/tissue and alleviating AKI during DDP treatment.

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Fluorescent/Circular Dichroic Dual-Mode Chiral Upconversion Nanocomposite for Diagnosis and Treatment of Rheumatoid Arthritis.

Nano Lett

December 2024

State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 130012 Changchun, Jilin, China.

Chiral nanophotonic materials have emerged as ideal candidates for biosensing applications due to their exceptional sensitivity. However, the inability to directly visualize chiral signals limits their broader application, particularly in disease diagnosis and treatment. In this study, we introduce a chiral nanocomposite based on upconversion nanoparticles (UCNPs), denoted UCNPs@L-POM, that exhibits both upconversion luminescence (UCL) and circular dichroism (CD) signals.

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The Full-Length Genomic Sequence of the HLA-B*39:130 Allele.

HLA

November 2024

Laboratory of Cellular and Molecular Biology, College of Basic Medical Sciences, Central South University, Changsha, Hunan, China.

HLA-B*39:130 differs from HLA-B*39:01:01:01 at codon 214 (ACA → ATA) and position 355 (T → C) in intron 5.

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The Full-Length Genomic Sequence of the HLA-B*46:01:25 Allele.

HLA

November 2024

Laboratory of Cellular and Molecular Biology, College of Basic Medical Sciences, Central South University, Changsha, Hunan, China.

Article Synopsis
  • - The full genomic analysis reveals the specific differences between two variants of the HLA-B gene: HLA-B*46:01:25 and HLA-B*46:01:01:01.
  • - The key distinction lies in a single thymine substitution found in exon 4 of the HLA-B*46:01:25 variant.
  • - This insight expands our understanding of HLA-B gene diversity and its potential implications in immunology and genetics.
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Article Synopsis
  • Hepatocellular carcinoma (HCC) is a major cause of cancer deaths globally, and traditional treatments often worsen patient conditions, highlighting the need for new management strategies.
  • Research shows that TET2 and KMT2D work together to regulate important genes involved in HCC, which could be targeted for therapy; KMT2D is particularly important as a tumor suppressor and enhances the anti-cancer effects of vitamin C.
  • The study reveals that patients with higher levels of TET2 and KMT2D have better outcomes, suggesting that these proteins play a critical role in HCC progression and could be used as potential targets for treatment.
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Article Synopsis
  • The study investigates the role of α-synuclein aggregates in Parkinson's disease (PD) by identifying potential interacting proteins that might contribute to the disease's progression.
  • Researchers expressed and purified α-synuclein from E. coli, used techniques like pulldown assays and LC-MS/MS to identify 157 associated proteins, and confirmed four key proteins linked to energy metabolism using immunostaining.
  • Findings suggest that the down-regulation of these energy metabolism-related proteins in PD patients and animal models indicates their potential as diagnostic markers and therapeutic targets for addressing synucleinopathy in Parkinson's disease.
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Discovery of Balasubramide Derivative with Tissue-Specific Anti-Inflammatory Activity Against Acute Lung Injury by Targeting VDAC1.

Adv Sci (Weinh)

December 2024

State Key Laboratory of Natural Medicines, New Drug Screening and Pharmacodynamics Evaluation Center, Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, Nanjing, 210009, P. R. China.

Article Synopsis
  • - Researchers found that a natural compound called (+)-Balasubramide has anti-inflammatory properties but doesn't work well for treating acute lung injury (ALI) due to poor absorption in the body.
  • - A new derivative, called (+)3C-20, was developed and shows significantly better anti-inflammatory effects and absorption, specifically targeting inflammatory responses in both mouse and human immune cells.
  • - The study revealed that (+)3C-20 works by inhibiting mitochondrial VDAC1, which helps stop the activation of inflammatory pathways, suggesting it could be an effective treatment for ALI.
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Background: Sepsis is characterized by a life-threatening syndrome caused by an unbalanced host response to infection. Fibroblast Growth Factor 8 (FGF8) has been newly identified to play important roles in inflammation and innate immunity, but its role in host response to sepsis is undefined.

Methods: A cecal ligation and puncture (CLP) -induced mouse sepsis model was established to evaluate the immunomodulatory function of FGF8 during sepsis.

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Article Synopsis
  • MRL/lpr mice, which typically develop autoimmune symptoms similar to systemic lupus erythematosus due to FAS-mediated apoptosis issues, were studied to understand the role of EAF2 in this process.
  • Researchers created EAF2-deficient mice and found that this deficiency led to reduced symptoms like lymphadenopathy, splenomegaly, and nephritis while also extending the mice's lifespan.
  • The study concluded that the lack of EAF2 causes B cells to become hyperactivated but ultimately die off faster due to changes in gene expression, helping reduce autoimmune responses in these mice.
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Article Synopsis
  • The study investigates the effects of a partial hepatectomy (PH) on liver regeneration, focusing on mitochondrial structure and function in a mouse model.
  • Changes observed post-surgery included mitochondrial swelling, a reduction in cristae, and an increase in cell proliferation as indicated by PCNA positivity.
  • A total of 30 differentially expressed genes (DEGs) linked to crucial processes like oxidative phosphorylation and nonalcoholic fatty liver disease (NAFLD) were identified, along with six key hub genes for further study.
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Naked cuticle homolog 2 (NKD2) has been recognized as an antagonist of Wnt/β-catenin signaling and a tumor suppressor. The role of NKD2 in osteoblast and osteoclast differentiation and the mechanism are not fully understood. In this study, we identified the up-regulation of NKD2 during osteoblast and adipocyte differentiation.

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LysSYL-Loaded pH-Switchable Self-Assembling Peptide Hydrogels Promote Methicillin-Resistant Staphylococcus Aureus Elimination and Wound Healing.

Adv Mater

December 2024

Department of Microbiology, College of Basic Medical Sciences, Army Medical University, Key Laboratory of Microbial Engineering under the Educational Committee in Chongqing, Chongqing, 400038, China.

Article Synopsis
  • * Endolysin LysSYL, derived from phage SYL, has potential as an antibacterial agent, but its effectiveness is limited by instability and low availability in acidic environments; however, a self-assembling peptide, L5, can form hydrogels that enhance the bioavailability of LysSYL.
  • * The combination of L5 and LysSYL into hydrogels (L5@LysSYL) not only effectively eliminates MRSA by disrupting bacterial membranes but also promotes wound healing in mice
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Transglutaminase 2 in breast cancer metastasis and drug resistance.

Front Cell Dev Biol

October 2024

Department of Breast Surgery, General Surgery Center, The First Hospital of Jilin University, Changchun, China.

Transglutaminase 2 (TG2) is a widely distributed multifunctional protein with various enzymatic and non-enzymatic activities. It is becoming increasingly evident that high levels of TG2 in tumors induce the occurrence of epithelial to mesenchymal transition (EMT) and the acquisition of stem cell-like phenotypes, promoting tumor metastasis and drug resistance. By regulating intracellular and extracellular signaling pathways, TG2 promotes breast cancer metastasis to lung, brain, liver and bone, as well as resistance to various chemotherapy drugs including docetaxel, doxorubicin, platinum and neratinib.

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Using different zebrafish models to explore liver regeneration.

Front Cell Dev Biol

October 2024

College of Language Intelligence, Sichuan International Studies University, Chongqing, China.

The liver possesses an impressive capability to regenerate following various injuries. Given its profound implications for the treatment of liver diseases, which afflict millions globally, liver regeneration stands as a pivotal area of digestive organ research. Zebrafish () has emerged as an ideal model organism in regenerative medicine, attributed to their remarkable ability to regenerate tissues and organs, including the liver.

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Influence of gender, age, and body mass index on the gut microbiota of individuals from South China.

Front Cell Infect Microbiol

November 2024

Department of Microbiology, College of Basic Medical Sciences, Dalian Medical University, Dalian, China.

Article Synopsis
  • The study analyzed the gut microbiota of 185 Chinese adults, focusing on how host characteristics like gender, age, and BMI affect gut health using advanced sequencing techniques.
  • Results showed that while these phenotypes influence gut microbiota composition, their impact is relatively minor compared to overall enterotypes, with significant variations in specific microbial populations noted based on age and BMI.
  • The research highlights a decline in beneficial microbes and an increase in potentially harmful ones with age and higher BMI, alongside gender-specific differences in microbiota composition, suggesting a complex relationship that requires further study.
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The aging of the central nervous system(CNS) is a primary contributor to neurodegenerative diseases in older individuals and significantly impacts their quality of life. Neuroinflammation, characterized by activation of microglia(MG) and release of cytokines, is closely associated with the onset of these neurodegenerative diseases. The activated status of MG is modulated by specifically programmed metabolic changes under various conditions.

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