目的 探讨血清乳酸脱氢酶（LDH）在中晚期肝癌患者接受靶向联合免疫治疗后的预后预测价值。方法 选取2022年1月—2024年8月在莆田学院附属医院肿瘤内科经病理和影像学检查确诊的中晚期肝癌患者作为研究对象。从医院的电子病历系统中收集患者的基线资料，随访截止2025年8月，并记录随访结果，包括患者的疾病缓解情况和死亡情况，以及无疾病进展生存期（PFS）、总生存期（OS）。采用Kaplan-Meier方法绘制不同基线LDH水平患者的OS生存曲线，并通过Log-rank检验比较生存曲线。同时，运用多因素Cox比例风险回归分析探讨影响中晚期肝癌患者在接受靶向联合免疫治疗后OS的相关因素。结果 结果显示，在50例肝癌患者中，基线LDH低于200 U/L的有15例，而高于200 U/L的有35例。与基线LDH＜200 U/L组相比，基线 LDH≥200 U/L患者PFS、OS更短，差异均有统计学意义（χ²分别为5.51、15.6，P值分别为0.019、0.017）。治疗8周后，与LDH降低患者相比，LDH升高患者OS更短，差异有统计学意义（χ²=13.2，P=0.04）。多因素Cox比例风险回归分析结果表明，基线LDH水平超过200 U/L是中晚期肝癌患者接受靶向联合免疫治疗后OS的影响因素［P=0.035，HR（95%CI）=5.03（1.12，22.54）］。结论 基线LDH水平较低的患者表现出更好的OS。基线LDH水平可以作为预测中晚期肝癌患者在接受靶向联合免疫治疗时预后的指标。 

   Objective To evaluate the prognostic significance of serum lactate dehydrogenase（LDH）levels in patients with advanced hepatocellular carcinoma（HCC）undergoing targeted therapy combined immunotherapy．Methods Patients diagnosed with advanced HCC were selected in Putian College Affiliated Hospital from January 2022 to August 2024，diagnosed with pathological and imaging examinations results．Patient baseline data were collected from the hospital’s electronic medical records，with follow-up extending until August 2025．We documented outcomes such as disease response and mortality，along with progression-free survival（PFS）and overall survival（OS）．Kaplan-Meier survival curves were constructed based on baseline LDH levels，and the Log-rank test was employed for comparison．Additionally，multivariate Cox proportional hazards regression analysis was conducted to identify factors influencing OS in patients receiving targeted therapy combined immunotherapy．Results Among the 50 patients，15 had baseline LDH levels below 200 U/L，while 35 had levels above．Patients with baseline LDH≥200 U/L had significantly shorter PFS and OS than those with baseline LDH ＜200 U/L（χ²=5.51 and 15.6 for PFS and OS，respectively；P=0.019 and 0.017，respectively）．After 8 weeks of treatment，patients with increased LDH had significantly shorter OS compared with patients with decreased LDH（χ²=13.2，P=0.04）．Multivariate Cox proportional hazards regression analysis indicated that a baseline LDH level exceeding 200 U/L is an independent prognostic factor for OS in patients with intermediate to advanced HCC receiving targeted therapy combined with immunotherapy（P=0.035，HR 5.03［1.12，22.54］）．Conclusions Patients with lower baseline LDH levels demonstrated better OS，suggesting that baseline LDH can serve as an important prognostic indicator for advanced HCC patients undergoing targeted combined immunotherapy．

实体瘤对免疫治疗应答非常有限,因此,如何有效提升肿瘤免疫治疗的疗效,已成为当前肿瘤免疫治疗领域亟待解决的关键难题与挑战。髓系来源抑制性细胞（MDSCs）的趋化募集及其所介导的肿瘤免疫逃逸机制,是制约实体瘤免疫治疗效果的核心因素之一。文章深入探讨了MDSCs的起源、表型特征、其介导肿瘤免疫逃逸的具体机制,以及当前针对MDSCs的靶向治疗策略与将MDSCs靶向疗法与肿瘤免疫治疗相结合的最新研究进展。此外,文章还系统性地分析了靶向MDSCs联合免疫治疗策略所面临的关键挑战,并据此提出了MDSCs的精准靶向策略。这一策略旨在精确激活抗肿瘤免疫反应,为癌症患者提供更为个性化、高效的治疗方案,从而开启肿瘤免疫治疗领域的新纪元,为癌症治疗策略的创新与发展贡献力量。

Solid tumors exhibit a very limited response to immunotherapy．Consequently,effectively enhancing the therapeutic efficacy of tumor immunotherapy has emerged as a critical challenge and problem that urgently needs to be addressed in tumor immunotherapy．The chemotaxis and recruitment of myeloid-derived suppressor cells（MDSCs）and the tumor immune evasion mechanisms mediated by them are one of the core factors that significantly restrict the efficacy of immunotherapy for solid tumors．In this review,we discuss the origins and phenotypic characteristics of MDSCs,the specific mechanisms by which they mediate tumor immune evasion,as well as current targeted therapeutic strategies for MDSCs and the latest research progress in combining MDSC-targeted therapy with tumor immunotherapy．Furthermore,we have systematically analyzed the key challenges faced by the combination of MDSC-targeted and immunotherapy strategies,and accordingly proposed a precise targeting strategy for MDSCs．This strategy aims to precisely activate anti-tumor immune responses,providing more personalized and efficient treatment options for cancer patients,thereby opening a new era in tumor immunotherapy and contributing to the innovation and development of cancer treatment strategies．

目的 观察慢性荨麻疹特异性免疫治疗(SIT)的早期疗效,同时对患者的不良反应及依从性做相应调查。方法 对206例在我院进行特异性免疫治疗的慢性荨麻疹患者资料进行汇总分析,比较治疗16周及24周两组患者的荨麻疹活动评分(UAS)及症状积分下降指数(SSRI)以判断两组的有效率,同时对脱落患者进行电话访问。结果 特异性免疫治疗24周组与治疗16周组相比RRSI下降明显(P<0.05),有效率较高(P<0.05);206例患者中有62例脱落,脱落率较高(30.1%)。结论 特异性免疫治疗对于慢性荨麻疹的症状改善明显,但脱落率高,治疗24周相比治疗16周效果更佳。

       实体瘤对免疫治疗应答非常有限，因此，如何有效提升肿瘤免疫治疗的疗效，已成为当前肿瘤免疫治疗领域亟待解决的关键难题与挑战。髓系来源抑制性细胞（MDSCs）的趋化募集及其所介导的肿瘤免疫逃逸机制，是制约实体瘤免疫治疗效果的核心因素之一。文章深入探讨了MDSCs的起源、表型特征、其介导肿瘤免疫逃逸的具体机制，以及当前针对MDSCs的靶向治疗策略与将MDSCs靶向疗法与肿瘤免疫治疗相结合的最新研究进展。此外，文章还系统性地分析了靶向MDSCs联合免疫治疗策略所面临的关键挑战，并据此提出了MDSCs的精准靶向策略。这一策略旨在精确激活抗肿瘤免疫反应，为癌症患者提供更为个性化、高效的治疗方案，从而开启肿瘤免疫治疗领域的新纪元，为癌症治疗策略的创新与发展贡献力量。

  Solid tumors exhibit a very limited response to immunotherapy．Consequently，effectively enhancing the therapeutic efficacy of tumor immunotherapy has emerged as a critical challenge and problem that urgently needs to be addressed in tumor immunotherapy．The chemotaxis and recruitment of myeloid-derived suppressor cells（MDSCs）and the tumor immune evasionmechanisms mediated by them are one of the core factors that significantly restrict the efficacy of immunotherapy for solid tumors．In this review，we discuss the origins and phenotypic characteristics of MDSCs，the specific mechanisms by which they mediate tumor immune evasion，as well as current targeted therapeuticstrategies for MDSCs and the latest research progress in combining MDSC-targeted therapy with tumor immunotherapy．Furthermore，we  have  systematically analyzed the  key challenges faced by the combination of MDSC-targeted and immunotherapy strategies，and accordingly proposed a precise targeting strategyfor MDSCs．This strategy aims to precisely activate anti-tumor immune responses，providing more personalized and efficienttreatment options for cancer patients，thereby opening a new era in tumor immunotherapy and contributing to the innovation anddevelopment of cancer treatment strategies．