Researchers propose disease-oriented dosing of rapamycin to delay age-related diseases and increase lifespan. By decelerating early development of these diseases, rapamycin may help individuals live longer.
A new study shows that estrogen receptor (ER) expression in ductal carcinoma in situ (DCIS) is multi-clonal, meaning it varies across different cells. This finding has significant clinical implications, as it may help avoid overtreatment and undertreatment in DCIS patients.
Researchers found that human senescent fibroblasts trigger progressive lung fibrosis in immunodeficient mice by inducing paracrine senescence and pro-fibrotic activities. The study also suggests that senolytic compounds like navitoclax can ameliorate lung fibrosis induced by senescent human fibroblasts.
A new study uses machine learning to analyze data from DrugAge, a database of chemical compounds modulating lifespan in model organisms. The researchers create four types of datasets to predict whether or not a compound extends the lifespan of C. elegans, using features such as compound-protein interactions and Gene Ontology terms.
Researchers have identified KIAA0930 as a key factor causing muscle atrophy in cancer cells, which could lead to the development of new anti-cachexia therapies. The study found that KIAA0930 knockdown cells showed increased muscle mass and weight compared to control cells.
Researchers discovered that adult and aged mice demonstrated improved performance in behavioral tasks after environmental enrichment, with MSK1 playing a vital role. The study highlights the importance of MSK1 in converting positive experiences into cognitive benefits across the lifespan.
A new multiplex assay has been developed to assess activated p300/CBP in circulating prostate tumor cells, revealing correlations with clinical outcomes and potential therapeutic targets for castration-resistant prostate cancer. The study found that patients with upregulated p300/CBP activity had shorter response times to ARSI therapy.
A new editorial explores the potential of machine learning to enhance early cancer detection in primary care, leveraging extensive patient data and improving risk stratification accuracy. The authors emphasize the need for responsible implementation, collaboration, and validation across diverse populations.
Researchers propose targeting non-canonical HH/GLI signaling to improve response rate and durability of therapeutic effects exerted by SMO inhibition in melanoma. The findings suggest that combined targeting of hedgehog signaling and BRD4 could provide a novel therapeutic option against melanoma.
A new study published in Aging (Albany NY) suggests that prior training can rescue cognitive decline in aging by improving task performance and strengthening memory processes. The research, conducted on rats, found that prior training enhanced short-term and intermediate memory, while also enabling encoding-boosted long-term memory.
Researchers report a case of a 15-year-old boy with recurrent intrathoracic synovial sarcoma who achieved partial response with BRAF inhibitor Vemurafenib treatment. The study highlights the importance of routine next-generation sequencing to drive treatment choice and investigate BRAF mutations in SS tumors.
Researchers found that BUB1 protein regulates EGFR signaling by reducing receptor internalization, which may lead to new therapeutic interventions for EGFR-driven cancers. The study also showed that BUB1 impacts receptor recycling and degradation, affecting signaling amplitude and duration.
Researchers discuss treatment refractory forms of chronic sinusitis, highlighting the importance of interdisciplinary diagnostics and therapy. Fungal infections are a rare cause, yet crucial to consider when treating this condition.
Researchers developed MemTrax, a continuous recognition test for advanced cognitive impairment screening. The test quickly and accurately quantifies memory processing, storage, and retrieval, providing precise assessments of severity and rate of change over time.
A new study found that cetuximab plus radiotherapy is an active treatment option for locally advanced cutaneous squamous cell skin cancer, with an objective response rate of 83.2%. The treatment was well-tolerated, with most patients experiencing mild acneiform skin rash or fatigue.
A team of scientists at Harvard Medical School has identified six chemical cocktails that can restore cellular aging and rejuvenate human cells. The study builds upon the discovery of Yamanaka factors, which can convert adult cells into induced pluripotent stem cells, raising hopes for treating age-related diseases and injuries. The im...
Researchers investigated hepatic hydrogen sulfide production in a mouse model of Hutchinson-Gilford Progeria Syndrome (HGPS) and found reduced H2S levels in RC-fed mice, with partial rescue on high-fat diet. This study suggests that accelerated aging in HGPS may be partially explained by reduced hepatic H2S levels.
A new study reveals that preoperative hydroxyprogesterone administration can improve disease-free and overall survival in patients with node-positive breast cancer by modulating cellular stress response and negative regulation of inflammation. Non-coding RNAs, such as DSCAM-AS1, play a regulatory role in this process.
A novel association of t(5;17) with t(8;21) has been reported in an acute myeloid leukemia (AML) patient, resulting in a RUNX1-RUNX1T1 rearrangement. The patient received chemotherapy and stem cell transplantation, highlighting the importance of this rare translocation.
Researchers discovered that Nerofe and Doxorubicin can downregulate KRAS signaling, leading to enhanced apoptosis in colorectal cancer cells. The combination also activates the immune system against tumor cells, increasing immunostimulatory cytokines and recruiting NK cells and M1 macrophages.
Researchers discovered a novel peptide, T14, that is detectable in human keratinocytes and inversely related to age, with higher levels found in chronically photosensitive individuals. The study suggests that monitoring T14 levels may offer insights into the link between degenerative diseases and epidermal cell profiles.
Inflammatory breast cancer is a rare and aggressive form of breast cancer with poor outcomes. Research highlights the role of ERβ as a mediator of estrogen signaling, demonstrating its tumor suppressive effects in preclinical models. ERβ's antimetastatic activity may hold promise for improving treatment options for IBC.
Researchers used proteomics and small RNA sequencing to analyze 103 human blood plasma samples, identifying 21 proteins and 315 small RNAs associated with aging. Combining protein and miRNA data improved age predictions (R2 = 0.70 ± 0.01), suggesting a broader range of age-related physiological changes.
Researchers investigated premature senescence in biliary atresia and assessed senotherapies. They found that human allogenic liver-derived progenitor cells reduced early markers of senescence and improved liver disease in a preclinical model, providing encouraging results for pediatric biliary cirrhosis treatment.
Researchers investigate MCL-1i-induced Mcl-1 protein accumulation and its implications in B-cell malignancies. The study reveals a complex mechanism contributing to MCL-1 protein stability upon treatment with MCL-1 inhibitors.
Researchers found that restricting methionine intake via a low-methionine diet or oral administration of recombinant methioninase-producing E. coli reversed old-age-induced obesity in mice, leading to significant weight loss after just 14 days.
The study investigates the effects of DPDT on human colon cancer HCT116 cells and non-tumorigenic MRC5 fibroblasts. The results show that DPDT preferentially targets HCT116 cells, inducing apoptosis and G2/M cell cycle arrest, likely through DNA topoisomerase I poisoning.
Cancer cells can hide and escape therapies leading to recurrence. Researchers identify three possible mechanisms: cancer stem cells, polyploidy, and senescence. Combination treatments involving chemoradiation-induced transitory senescence and senolytic therapies may be effective in preventing repopulation.
Researchers discuss the potential of glucocorticoid-induced TNFR-related protein (GITR) as a target for cancer immunotherapy. Preclinical studies have shown potent anti-tumor efficacy, but clinical trials have yielded inconsistent results due to complexities in immune responses and antibody structure.
A randomized phase II study found that adding metformin to androgen deprivation therapy did not reduce the risk of metabolic syndrome or improve PSA response in patients with advanced prostate cancer. Metformin showed some antitumor effects through mTOR inhibition, but these were not significant.
Researchers developed Precious1GPT, a multimodal transformer-based approach for aging clock development and feature importance analysis. The model utilizes methylation and transcriptomic data to predict biological age and identify disease-related genes, providing a pathway for therapeutic drug discovery.
Researchers found a link between short telomeres in ATII cells and lung fibrosis in post-COVID-19 patients. The study revealed loss of ATII cellularity and shorter telomeres concomitant with increased fibrotic lung parenchyma remodeling.
A new review paper suggests ACSL4 status as a biomarker for breast cancer subtype classification and predictor of response to hormone-based therapies. The enzyme may also serve as a target for developing new treatment modalities in quadruple negative breast cancer.
A new study published in Aging-US has identified the p53-p16/RB-E2F-DREAM complex as a critical regulator of cellular senescence. The researchers found that this complex represses multiple target genes involved in cell cycle regulation, DNA repair, and chromatin structure, leading to the stability of the senescent arrest.
Researchers have identified LP-284 as a novel acylfulvene compound with anti-tumor activity against non-Hodgkin's lymphoma. The compound exerts nanomolar potency in 15 NHL cell lines and prolongs survival of mantle cell lymphoma xenograft mice, making it a potential therapeutic option for patients with HR or TC-NER deficiency.
Researchers from Universitat de Barcelona and Universitat Internacional de Catalunya discuss the non-receptor protein tyrosine kinase Src as a good example of an oncogene. Targeting the Src N-terminal regulatory element (SNRE) has potential as oncotargets to inhibit Src activity only in cancer cells.
Researchers developed a new biological age indicator, DNAmFitAge, that incorporates physical fitness parameters, showing a correlation with lower mortality risk, coronary heart disease risk reduction, and improved disease-free status in physically fit individuals.
A retrospective study found a 24% response rate to Docetaxel among patients with stage IV non-small cell lung cancer who experienced progression on immunotherapy. The median progression-free survival was 3 months, suggesting chemotherapy may still play an important role in treatment after immunotherapy failure.
Researchers analyzed BORIS mutations and protein expression in breast cancer tissue samples, finding frequent mutations associated with breast carcinoma progression. The study suggests the BORIS gene as a potential biomarker for breast cancer.
Researchers identified mRNAs and long non-coding RNAs targeted by stress granule proteins, which accumulate AD-associated gene transcripts in these structures. SGs may play a key role in regulating AD development through the impairment of protein neurohomeostasis.
Researchers found that MALAT1 inhibition decreased BRAF RNA and protein levels, while increasing correlation with MAPK-associated genes. MALAT1-ASO treatment also reduced melanoma cell growth and tumor size in xenograft models.
Researchers discuss chemotherapeutic resistance in recurring ovarian cancer, focusing on the unfolded protein response and its effect on polyploid giant cancer cells. Understanding this mechanism could lead to investigating cancer cell molecular mechanisms and potential therapeutic strategies.
Researchers found that genetic predisposition to lipids, Alzheimer's, and heart disease in the MLXIPL gene locus is shaped by exogenous exposures. Minor alleles of certain variants associated with high triglyceride levels and lower HDL-C levels, which may provide protective effects against Alzheimer's risk.
Researchers have discovered that HER3 plays a crucial role in promoting cell survival in metastatic colorectal and pancreatic cancer. The surrounding liver microenvironment activates HER3, making it an emerging therapeutic target for these types of cancer.
Researchers tracked immune cell clusters in the aging mouse prostate using highly multiplexed immune profiling. Early adulthood sees myeloid cells, while between 6-12 months old, there's a profound shift to T and B lymphocyte-dominance. The study reveals new insight into prostatic inflammaging and the window for interventions.
Researchers found that GPR141 enhances cell migration and proliferation in breast cancer by activating the p-mTOR/p53 signaling pathway. Silencing GPR141 restores p53 expression and attenuates tumor growth, suggesting its role in regulating breast cancer progression and metastasis.
Researchers discovered that FDA-approved HDAC-inhibitors can impact energy metabolism in solid tumor cells, including glioblastoma. The combination of HDAC-inhibitors and imipridones may synergize to enhance killing of GBM cells by reversing cellular respiration.
Increased expression of Musashi 1 on breast cancer cells has significant implications for understanding dormancy and survival in bone marrow. Msi 1 knockdown led to a reduction in cancer stem cells with undetectable PD-L1, suggesting a potential therapeutic target.
Researchers have developed an automated calling algorithm for determining B and T cell clonality from NGS data with greater sensitivity than previous models. The new model increases the assay's sensitivity in detecting clonality, allowing for more accurate diagnosis and monitoring of lymphoproliferative disorders.
Researchers tested zoledronic acid's effects on cellular senescence using multiple approaches. The study found that zoledronic acid killed senescent cells with minimal effects on non-senescent cells and reduced circulating SASP factors, including CCL7, IL-1β, TNFRSF1A, and TGFβ1.