Objective To investigate the expression of serum long non-coding RNA X-inactive specific transcript(lncRNA XIST)and microRNA-126-3p(miR-126-3p)in patients with non-small cell lung cancer(NSCLC),and their relationship with recurrence after radical surgery.Methods A total of 108 NSCLC patients who underwent radical surgery and were admitted to General Hospital of Southern Theater Command of the People's Liberation Army of China from February 2019 to October 2020 were selected as the NSCLC group,and 52 healthy volunteers who underwent physical examination in this hospital were selected as the control group.qRT-PCR method was used to detect the relative expression levels of serum lncRNA XIST and miR-126-3p.Pearson method was used to analyze the correlation between serum lncRNA XIST and miR-126-3p expression.Logistic regression analysis was used to analyze the influencing factors of postoperative recurrence in NSCLC patients.Receiver operating characteristic(ROC)curve was used to evaluate the predictive value of serum lncRNA XIST and miR-126-3p on postoperative recurrence in patients.Results The expression level of serum lncRNA XIST in the NSCLC group was higher than that in the control group(P<0.05),while the expression level of miR-126-3p was lower than that in the control group(P<0.05).The expression levels of serum lncRNA XIST and miR-126-3p were related to TNM staging and lymph node metastasis(P<0.05).Bioinformatics website predicted that there was a targeted binding site between lncRNA XIST and miR-126-3p,and serum lncRNA XIST was negatively correlated with miR-126-3p expression(r=-0.579,P<0.05).Compared with the non-recurrent group,the expression level of serum lncRNA XIST in the recurrent group increased(P<0.05),while the expression level of miR-126-3p in the recurrent group decreased(P<0.05).Logistic regression analysis results showed that lncRNA XIST,miR-126-3p,lymph node metastasis,and TNM staging were the influencing factors for postoperative recurrence in NSCLC patients(P<0.05).The area under the curve(AUC)of serum lncRNA XIST,miR-126-3p,and the combination of the two in prediction of postoperative recurrence in NSCLC patients were 0.750,0.886,and 0.933,respectively,the combined prediction of the two was superior to individual prediction(Zcombination vs.lncRNA XIST=4.076,Zcombination vs.miR-126-3p=2.065,P<0.05).Conclusion The expression of serum lncRNA XIST is increased and miR-126-3p is decreased in NSCLC patients,both of which have certain predictive value for recurrence after radical surgery in patients.

BACKGROUND:Current treatment strategies for chronic non-healing wounds have shown unsatisfactory results,necessitating the exploration of novel therapeutic approaches.Concentrated growth factors,rich in high-concentration growth factors and possessing a stable natural three-dimensional structure,have demonstrated significant application value in the treatment of chronic non-healing wounds.OBJECTIVE:To review the current status of concentrated growth factor application in chronic non-healing wounds,analyze the shortcomings of concentrated growth factor in clinical applications,and propose constructive suggestions and prospects.METHODS:CNKI,WanFang,and VIP databases were searched with the key words of"concentrated growth factor,platelet concentrate products,chronic wound,chronic ulcer,wound healing,platelet-rich plasma,platelet-rich fibrin"in Chinese.PubMed was searched with the key words of"CGF,concentrated growth factor,platelet concentrate products,chronic wound,chronic ulcer,wound healing,PRP,PRF,platelet-rich plasma,platelet-rich fibrin"in English.The articles published from 2000 to 2024 were searched and further analyzed and summarized after screening.RESULTS AND CONCLUSION:Concentrated growth factor,with its diverse application forms,high concentration of growth factors,natural three-dimensional structure,compatibility with various material technologies,relatively low cost,and ease of operation,has demonstrated significant clinical value in the treatment of chronic wounds.Numerous researchers have validated its positive effects in chronic wound therapy through clinical applications.However,there is currently no clear consensus on standardized concentrated growth factor application protocols,and certain deficiencies have been revealed in practical applications,including issues with dosage,centrifugation settngs,identification schemes,and preparation methods for different forms of concentrated growth factor.There is substantial room for research on concentrated growth factor,and it is believed that with a clear consensus on its application in the future,concentrated growth factor could play a significant role in clinical practice.

Ulcerative colitis(UC)is a common chronic non-specific intestinal inflammatory disease clinically.Its pathogenesis is complex,prolonged the disease course,and it is frequent clinical recurrence.In recent years,the incidence of UC has shown an upward trend and tends to younger onset,which seriously affects the quality of life of patients and increases the social medical burden.Mitogen-activated protein kinase(MAPK)plays an important role in the occurrence and development of UC,participating in inflammatory response,oxidative stress,autophagy,apoptosis,pyroptosis,and intestinal barrier.MAPK may be a new target for the treatment of UC.Traditional Chinese medicine has a long history and remarkable curative effect in treating UC,with the advantages of multiple pathways,multiple targets,and multiple components.In recent years,many studies have shown that single Chinese herbal medicines and compound prescriptions can mediate MAPK signaling pathway to inhibit inflammatory response and oxidative stress,regulate autophagy,inhibit apoptosis and pyroptosis,repair the intestinal barrier,and treat UC in many aspects.This article reviews the MAPK signaling pathway,the mechanism by which the MAPK signaling pathway regulates UC,and the research progress of traditional Chinese medicine in treating UC based on the MAPK signaling pathway,hoping to provide theoretical support for the treatment of UC by traditional Chinese medicine and new ideas and references for the research of related new drugs.

Background and purpose:Tumor necrosis factor alpha-induced protein 8(TNFAIP8),also called TIPE,plays critical regulatory roles in various malignancies,yet its molecular mechanisms in metabolic reprogramming of triple-negative breast cancer(TNBC)remain elusive.This study aimed to elucidate how TIPE regulates the expression of the glycolytic key enzyme lactate dehydrogenase A to influence TNBC cell proliferation and glycolytic reprogramming,thereby providing potential molecular targets for TNBC therapy.Methods:Stable TIPE-knockdown MDA-MB-231 cell lines were established using a lentiviral shRNA system and selected with puromycin.Transcriptome sequencing was used to analyze TIPE's impact on TNBC glycolytic pathways.Extracellular acidification rate(ECAR)was measured using the Seahorse XF Analyzer,complemented by lactate production assays to evaluate glycolytic capacity.Co-IP/MS was carried out to identify TIPE-interacting proteins,with subsequent validation of TIPE-LDHA interaction through co-transfection of TIPE-Myc and LDHA-Flag plasmids in HEK-293T cells.Protein stability was assessed via cycloheximide(CHX)chase and ubiquitination assays.The cell counting kit-8(CCK-8)assay and animal experiments(Approval Number for Animal Ethics:202212007)were conducted to investigate how TIPE affects the proliferation and glucometabolic reprogramming of TNBC by mediating LDHA.Results:TIPE promoted glycolytic metabolic reprogramming in TNBC.Knockdown of TIPE significantly inhibited TNBC glycolytic activity and glycolytic capacity(P＜0.001).TIPE interacted with the key glycolytic enzyme LDHA and suppressed its degradation rate through a ubiquitination-dependent mechanism.Cellular experiments demonstrated that TIPE mediated LDHA to enhance TNBC cell proliferation(P＜0.001)and glycolytic activity(P＜0.001).Animal studies confirmed that TIPE knockdown significantly suppressed tumor volume(P＜0.05)and weight(P＜0.01),with a positive correlation between TIPE and LDHA expression levels in tumor tissues.Conclusion:TIPE enhances TNBC cell proliferation and glycolytic capacity by inhibiting LDHA ubiquitination-mediated degradation.

Objective:To explore the clinical efficacy of staged reconstruction with anterolateral thigh flap (ALTF) for wrist-forearm soft tissue defects of electrical burns.Methods:A retrospective observational study was conducted on 10 patients who had wrist-forearm soft tissue defects after electrical burns and were admitted in the Department of Burns, Zhengzhou First People's Hospital from January 2019 to December 2022. The patients were 6 males and 4 females, aged 8 to 64 years. All the patients were third-and-fourth degree electrical burns. Debridement was performed to remove the necrotic tissues around the wound in stage I surgery. Area of the wound after debridement ranged from 15 cm×11 cm to 31 cm×20 cm. According to the condition of wrist-forearm injury, the wounds with relatively mild injury were retained. Free ALTF was used to cover the wound surface. Size of the flaps ranged from 16 cm×12 cm to 32 cm×21 cm. The descending branch of lateral circumflex femoral artery and the accompanying veins carried by the flap were anastomosed end-to-end with the radial artery and vein or ulnar artery and vein in the recipient site, respectively. Conditions of other vessels were explored. The great saphenous veins in a length of 10-18 cm was used to bridge the occluded arteries. The donor sites were covered by medium thick skin grafts from trunk. After survival of the flap, stage Ⅱ surgery was carried out to debride the wound temporarily retained in stage I surgery and to thin the flap, then had all the wound covered with the thinned flap. Follow-ups were conducted at outpatient clinic, and via telephone and WeChat interviews. The limb salvage, flap survival, vascular compromise and other complications, as well as the donor site healing were observed. The wound coverage rate of the thinned flap. The appearance of flap, donor site scar hyperplasia, the patient satisfaction with the shape and function of the donor site at 6 months after the stage Ⅱ surgery were evaluated. Likert scale was employed to evaluate the patient satisfaction. The Michigan Hand Outcomes Questionnaire (MHQ) and Disabilities of the Arm, Shoulder and Hand (DASH) were used to evaluate the upper limb function in daily life of the patients.Results:The limb salvages in the 10 patients were all successful, and the flaps survived without any postoperative event of vascular compromise or other complication. One patient had mild cyanosis at the edges of flap after surgery and regressed at 7 days later. One flap had poor blood circulation and partial necrosis. The thinned flaps covered the wound completely after the stage-Ⅱ flap thinning surgery. The postoperative follow-up period was 6.0-7.0 months. All skin grafts in the donor sites survived well. The thinned flaps of stage Ⅱ surgery achieved 100% in wound coverage rate. At 6 months after surgery, the colour and texture of the flaps were about the same as those of the normal skin of the upper limb. There were linear scars in both of donor and recipient sites. Four patients were satisfactory to the postoperative appearance and function of the donor site and 6 patients were very satisfactory. MHQ scores were 49-82 (mean, 74) points; DASH scores were 27-45 (mean, 32) points.Conclusion:Reconstruction of the wounds in wrist-forearm soft tissue defects of electrical burns with ALTF in staged surgery, can improve the function and aesthetics of the wrist-forearm. It is a good method.

With the rapid development of generative artificial intelligence(GAI)technologies,their widespread application in academic research and writing is continuously expanding the boundaries of sci-entific inquiry.However,this trend has also raised a series of ethical and regulatory challenges,inclu-ding issues related to authorship,content authenticity,citation accuracy,and accountability.In light of the growing involvement of AI in generating academic content,establishing an open,controllable,and trustworthy ethical governance framework has become a key task for safeguarding research integrity and maintaining trust within the academic community.This expert consensus outlines ethical requirements across key stages of AI-assisted academic writing-including topic selection,data management,citation practices,and authorship attribution.It aims to clarify the boundaries and ethical obligations surrounding AI use in academic writing,ensuring that technological tools enhance efficiency without compromising in-tegrity.The goal is to provide guidance and institutional support for building a responsible and sustainable research ecosystem.

Dysregulation of immune response is currently recognized as one of the important pathological factors in ulcerative colitis (UC). Based on the confirmation that the Sini San (SNS) can significantly improve the colon inflammation induced by dextran sulfate sodium sulfate (DSS) in mice, the present work systematically studied the xenobiotics in the colon and mesenteric lymph nodes, spleen, and thymus of UC mice after administration of SNS by high-performance liquid chromatography-ion trap time-of-flight mass spectrometry (HPLC-IT-TOF-MS). The results showed that, in addition to the colon, some components and their metabolites in SNS could be distributed in immune tissues, and it was found that the quality of relatively low-abundance and weakly responsive components such as saikosaponin a, paeoniflorin, and glycyrrhizic acid had the characteristics of efficient transmission to the colon and lymphoid organs. These components were very likely to be the source of pharmacodynamic substances of SNS. The findings of this study lay a foundation for the study of the efficacy and molecular mechanism of the components against ulcerative colitis, and also provide a scientific basis for the rational clinical application of SNS, which is expected to promote the secondary development of its preparations.

OBJECTIVE: To analyze the Epstein-Barr virus (EBV) load in different lymphocyte subsets, as well as clinical characteristics and outcomes in patients with hematologic malignancies experiencing EBV reactivation. METHODS: Peripheral blood samples from patients were collected. B, T, and NK cells were isolated sorting with magnetic beads by flow cytometry. The EBV load in each subset was quantitated by real-time quantitative polymerase chain reaction (RT-qPCR). Clinical data were colleted from electronic medical records. Survival status was followed up through outpatient visits and telephone calls. Statistical analyses were performed using SPSS 25.0. RESULTS: A total of 39 patients with hematologic malignancies were included, among whom 35 patients had undergone allogeneic hematopoietic stem cell transplantation (allo-HSCT). The median time to EBV reactivation was 4.8 months (range: 1.7-57.1 months) after allo-HSCT. EBV was detected in B, T, and NK cells in 20 patients, in B and T cells in 11 patients, and only in B cells in 4 patients. In the 35 patients, the median EBV load in B cells was 2.19×10⁴ copies/ml, significantly higher than that in T cells (4.00×10³ copies/ml, P <0.01) and NK cells (2.85×10² copies/ml, P <0.01). Rituximab (RTX) was administered for 32 patients, resulting in EBV negativity in 32 patients with a median time of 8 days (range: 2-39 days). Post-treatment analysis of 13 patients showed EBV were all negative in B, T, and NK cells. In the four non-transplant patients, the median time to EBV reactivation was 35 days (range: 1-328 days) after diagnosis of the primary disease. EBV was detected in one or two subsets of B, T, or NK cells, but not simultaneously in all three subsets. These patients received a combination chemotherapy targeting at the primary disease, with 3 patients achieving EBV negativity, and the median time to be negative was 40 days (range: 13-75 days). CONCLUSION In hematologic malignancy patients after allo-HSCT, EBV reactivation commonly involves B, T, and NK cells, with a significantly higher viral load in B cells compared to T and NK cells. Rituximab is effective for EBV clearance. In non-transplant patients, EBV reactivation is restricted to one or two lymphocyte subsets, and clearance is slower, highlighting the need for prompt anti-tumor therapy.
Humans ; Hematologic Neoplasms/virology* ; Herpesvirus 4, Human/physiology* ; Epstein-Barr Virus Infections ; Hematopoietic Stem Cell Transplantation ; Virus Activation ; Lymphocyte Subsets/virology* ; Flow Cytometry ; Killer Cells, Natural/virology* ; Male ; Female ; B-Lymphocytes/virology* ; Viral Load ; Adult ; T-Lymphocytes/virology* ; Middle Aged

Hearing loss is the most prevalent disabling disease. Cochlear implantation（CI） serves as the primary intervention for severe to profound hearing loss. This consensus systematically explores the value of genetic diagnosis in the pre-operative assessment and efficacy prognosis for CI. Drawing upon domestic and international research and clinical experience, it proposes an evidence-based medicine three-tiered prognostic classification system（Favorable, Marginal, Poor）. The consensus focuses on common hereditary non-syndromic hearing loss（such as that caused by mutations in genes like GJB2, SLC26A4, OTOF, LOXHD1） and syndromic hereditary hearing loss（such as Jervell & Lange-Nielsen syndrome and Waardenburg syndrome）, which are closely associated with congenital hearing loss, analyzing the impact of their pathological mechanisms on CI outcomes. The consensus provides recommendations based on multiple round of expert discussion and voting. It emphasizes that genetic diagnosis can optimize patient selection, predict prognosis, guide post-operative rehabilitation, offer stratified management strategies for patients with different genotypes, and advance the application of precision medicine in the field of CI.
Humans ; Cochlear Implantation ; Prognosis ; Hearing Loss/surgery* ; Consensus ; Connexin 26 ; Mutation ; Sulfate Transporters ; Connexins/genetics*

Neutralizing antibodies have been designed to specifically target and bind to the receptor binding domain (RBD) of spike (S) protein to block severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus from attaching to angiotensin converting enzyme 2 (ACE2). This study reports a distinctive nanobody, designated as VHH21, that directly catalyzes the S-trimer into an irreversible transition state through postfusion conformational changes. Derived from camels immunized with multiple antigens, a set of nanobodies with high affinity for the S1 protein displays abilities to neutralize pseudovirion infections with a broad resistance to variants of concern of SARS-CoV-2, including SARS-CoV and BatRaTG13. Importantly, a super-resolution screening and analysis platform based on visual fluorescence probes was designed and applied to monitor single proteins and protein subunits. A spontaneously occurring dimeric form of VHH21 was obtained to rapidly destroy the S-trimer. Structural analysis via cryogenic electron microscopy revealed that VHH21 targets specific conserved epitopes on the S protein, distinct from the ACE2 binding site on the RBD, which destabilizes the fusion process. This research highlights the potential of VHH21 as an abzyme-like nanobody (nanoabzyme) possessing broad-spectrum binding capabilities and highly effective anti-viral properties and offers a promising strategy for combating coronavirus outbreaks.
Single-Domain Antibodies/immunology* ; Spike Glycoprotein, Coronavirus/metabolism* ; SARS-CoV-2/immunology* ; Animals ; Humans ; Antibodies, Neutralizing/immunology* ; Camelus ; COVID-19/immunology* ; Antibodies, Viral/immunology* ; Angiotensin-Converting Enzyme 2