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The role of complement component C1q in angiogenesis 补体成分 C1q 在血管生成中的作用
Pub Date : 2023-12-14 DOI: 10.37349/ei.2023.00122
Mariagiulia Spazzapan, Silvia Pegoraro, C. Agostinis, R. Bulla
The complement component C1q plays a role as a pro-angiogenic factor in different contexts, acting in a complement-independent way. For example, this molecule is able to foster the remodeling of the spiral arteries for a physiological pregnancy and to promote the wound healing process. It is also involved in angiogenesis after post-stroke ischemia. Furthermore, it has a role in supporting the tumor vessel growth. Given its role in promoting angiogenesis both under physiological and pathological situations, other studies are needed to understand its potential therapeutic implications.
补体成分 C1q 在不同情况下发挥着促进血管生成因子的作用,其作用方式与补体无关。例如,这种分子能够促进螺旋动脉的重塑,以利于生理妊娠,并促进伤口愈合过程。它还参与中风后缺血的血管生成。此外,它还在支持肿瘤血管生长方面发挥作用。鉴于它在生理和病理情况下促进血管生成的作用,还需要其他研究来了解其潜在的治疗意义。
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引用次数: 0
Treatment of a non-healing oral wound in diabetic-induced rats 治疗糖尿病诱导大鼠口腔不愈合伤口
Pub Date : 2023-12-08 DOI: 10.37349/ei.2023.00121
L. Karalashvili, D. Chakhunashvili, M. Kakabadze, T. Paresishvili, Zurab Kakabadze
Aim: Non-healing wounds are one of the most substantial and difficult problems to treat. Wound healing involves a sequence of complex biological processes, but often the oral cavity microbiota adversely affects healing and forms a chronic non-healing wound. Methods: In this study, a biologically active membrane (BAM) is present, consisting of decellularized human amniotic membrane and bone marrow stem cells (BMSCs). The efficacy of BAM was evaluated in a model of non-healing oral wounds in rats with streptozotocin (STZ)-induced diabetes mellitus. Results: Studies have shown that BAM enhanced the healing of chronic oral wounds in animals with induced diabetes mellitus, reduced scarring, and reduced risk of infection. Paracrine freeze-dried BMSCs stimulated angiogenesis and improved wound conditions. Conclusions: BMSCs may lower glucose levels in rats with STZ-induced diabetes mellitus and improve the healing process of chronic diseases. However, more studies are needed to study the paracrine factors of BMSCs and their role in the treatment of non-healing wounds.
目的:不愈合的伤口是最实质性和最难治疗的问题之一。伤口愈合涉及一系列复杂的生物过程,但口腔微生物群往往对愈合产生不利影响,形成慢性不愈合的伤口。方法:在本研究中,制备了一种生物活性膜(BAM),由脱细胞人羊膜和骨髓干细胞组成。在链脲佐菌素(STZ)诱导的糖尿病大鼠口腔创伤未愈合模型中评价BAM的疗效。结果:研究表明,BAM促进了糖尿病动物慢性口腔伤口的愈合,减少了瘢痕形成,降低了感染的风险。旁分泌冻干骨髓间充质干细胞刺激血管生成,改善伤口状况。结论:骨髓间充质干细胞可降低stz诱导的糖尿病大鼠的血糖水平,促进慢性疾病的愈合过程。然而,骨髓间充质干细胞的旁分泌因子及其在治疗不愈合伤口中的作用还需要更多的研究。
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引用次数: 0
An update on anti-protein Z antibodies 抗蛋白 Z 抗体的最新进展
Pub Date : 2023-12-05 DOI: 10.37349/ei.2023.00120
Tiffany Pascreau, Sara Zia-Chahabi, T. Andriamandimbisoa, Marc Vasse
Protein Z (PZ) is a vitamin K-dependent protein that acts as a cofactor for the inhibition of activated factor X by the PZ-dependent protease inhibitor, an anticoagulant protein of the serpin superfamily. The presence of antibodies against PZ (aPZ-Abs) was first described in women with unexplained recurrent embryo loss, pre-eclampsia, or foetal death, independently from habitual antiphospholipid/anti-cofactor antibodies. Other studies suggested that aPZ-Ab could be associated with a small birthweight for the gestational age. The mechanism of action of these antibodies is not yet understood. At this time, even aPZ-Abs are frequently observed in patients with lupus anticoagulant or anticardiolipin antibodies, there is no evidence that aPZ-Abs increase systemic venous or arterial thrombotic risk. The comparison of the various published studies shows that the threshold suggesting an obstetric risk is not clearly defined. At present, it is not known whether one isotype of immunoglobulin (G or M, or both) is particularly involved in certain obstetric manifestations, or these antibodies persist during time, or can be induced by infectious diseases. Consequently, detection of these antibodies is not routinely warranted and should only be performed in randomized clinical trials.
蛋白Z (PZ)是一种维生素k依赖蛋白,作为PZ依赖蛋白酶抑制剂抑制激活因子X的辅助因子,PZ依赖蛋白酶抑制剂是蛇形蛋白超家族的一种抗凝血蛋白。PZ抗体(aPZ-Abs)的存在首次被描述为与习惯性抗磷脂/抗辅助因子抗体无关的原因不明的反复胚胎丢失、先兆子痫或胎儿死亡的妇女。其他研究表明,aPZ-Ab可能与胎龄小的出生体重有关。这些抗体的作用机制尚不清楚。此时,即使在狼疮抗凝或抗心磷脂抗体患者中也经常观察到aPZ-Abs,但没有证据表明aPZ-Abs会增加全身静脉或动脉血栓形成的风险。各种已发表的研究的比较表明,表明产科风险的阈值没有明确定义。目前尚不清楚是否有一种同型免疫球蛋白(G或M,或两者都有)特别与某些产科症状有关,或者这些抗体在一段时间内持续存在,或者可能由传染病引起。因此,检测这些抗体不是常规的保证,应该只在随机临床试验中进行。
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引用次数: 0
Immunopathogenesis of Orthopoxviridae: insights into immunology from smallpox to monkeypox (mpox) 天花病毒科的免疫发病机制:从天花到猴痘的免疫学启示
Pub Date : 2023-11-21 DOI: 10.37349/ei.2023.00119
Brent Brown, Ingo Fricke, Chinua Imarogbe, Alexander Ariel Padrón González, Osvaldo Aguilera Batista, Pascal Mensah, Enrique Chacon-Cruz
Since 2019, notable global viral outbreaks have occurred necessitating further research and healthcare system investigations. Following the coronavirus disease 2019 (COVID-19) pandemic, in 2022, whilst severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) strains evolved, monkeypox virus (MPXV) infections became more evident. MPXV is of the Orthopoxviridae genus, belonging to the family Poxviridae. Zoonotic transmission (animal-to-human transmission) may occur. The Orthopoxviridae genus includes other orthopoxviruses (OPXVs) present in animal host reservoirs that include cowpox viruses (CPXVs), vaccinia virus (VACV), and variola virus (VARV), with the latter being a causal agent of smallpox and excessive mortality. This review aims to present facts about MPXV-specific pathogenesis, epidemiology, and immunology alongside historical perspectives. MPXV was rarely reported outside Africa before April 2000. Early research since 1796 contributed towards the eradication of VARV leading to immunisation strategies. The World Health Organisation (WHO) announcement that VARV had been eradicated was confirmed in 1980. On the 23rd of July 2022, the WHO announced MPXV as a health emergency. Therefore, concern due to the propagation of MPXV causing monkeypox (mpox) disease requires clarity. Infected hosts display symptoms like extensive cellular-initiated rashes and lesions. Infection with MPXV makes it difficult to differentiate from other diseases or skin conditions. Antiviral therapeutic drugs were typically prescribed for smallpox and mpox disease; however, the molecular and immunological mechanisms with cellular changes remain of interest. Furthermore, no official authorized treatment exists for mpox disease. Some humans across the globe may be considered at risk. Historically, presenting symptoms of mpox resemble other viral diseases. Symptoms include rashes or lesions like Streptococcus, but also human herpes viruses (HHVs), including Varicella zoster virus (VZV).
自 2019 年以来,全球发生了多起值得注意的病毒暴发事件,因此有必要开展进一步的研究和医疗保健系统调查。继2019年冠状病毒病(COVID-19)大流行之后,2022年,在严重急性呼吸系统综合征冠状病毒2(SARS-CoV-2)毒株演变的同时,猴痘病毒(MPXV)感染也变得更加明显。MPXV 属于痘病毒科正痘病毒属。可能会发生人畜共患病传播(动物间传播)。正痘病毒科属包括存在于动物宿主库中的其他正痘病毒(OPXV),其中包括牛痘病毒(CPXV)、疫苗病毒(VACV)和水痘病毒(VARV),后者是导致天花和过高死亡率的病原体。本综述旨在介绍 MPXV 特异性致病机理、流行病学和免疫学方面的事实以及历史观点。2000 年 4 月之前,非洲以外地区很少有关于 MPXV 的报道。1796 年以来的早期研究为根除 VARV 做出了贡献,并由此制定了免疫策略。世界卫生组织(WHO)于 1980 年宣布 VARV 已被根除。2022 年 7 月 23 日,世卫组织宣布 MPXV 为紧急卫生状况。因此,需要明确MPXV传播导致猴痘疾病的担忧。受感染的宿主会表现出广泛的细胞引发的皮疹和病变等症状。感染 MPXV 后很难与其他疾病或皮肤病区分开来。抗病毒治疗药物通常用于治疗天花和天花痘;然而,细胞变化的分子和免疫学机制仍然令人感兴趣。此外,目前还没有官方授权的天花治疗方法。全球各地的一些人可能被认为面临风险。从历史上看,天花的症状与其他病毒性疾病相似。症状包括类似链球菌的皮疹或皮损,也包括人类疱疹病毒(HHV),包括水痘带状疱疹病毒(VZV)。
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引用次数: 0
Anti-factor H autoantibody-associated hemolytic uremic syndrome in an Argentine pediatric cohort 阿根廷儿童队列中的抗因子H自身抗体相关溶血性尿毒症综合征
Pub Date : 2023-11-10 DOI: 10.37349/ei.2023.00118
Célia Dos Santos, Jesica Trinidad, Santiago Castera, Laura Alconcher, Paula Alejandra Coccia, Federico Javie Manni, María Fabiana Alberto, Analía Sánchez-Luceros
Aim: To describe the clinical characteristics and frequency of anti-factor H (FH) autoantibody-associated atypical hemolytic uremic syndrome (aHUS) in the first cohort of Argentine patients. Methods: The presence of anti-FH autoantibodies in 70 pediatric patients with suspected aHUS was investigated between 2013 and 2022. Clinical and laboratory parameters were collected and compared between patients who were positive and negative for anti-FH antibodies. Results: The 70 patients screened for anti-FH autoantibodies presented clinical features of non-immune microangiopathic hemolytic anemia, thrombocytopenia and renal injury. Positive titers were found in 14 children [mean: 1,938 arbitrary units per mL (AU/mL), range 179–8,500]. Due to missing clinical data, two patients who tested positive for anti-FH and 20 patients who tested negative for anti-FH were excluded from the data analysis. The laboratory features and clinical manifestations of anti-FH-positive aHUS cases (n = 12) were very similar to those of subjects with no autoantibodies detected (n = 36). Treatment administration was heterogeneous among the 12 patients analyzed. Dialysis was performed in six patients in total. Five children received plasmapheresis, while three patients were treated with plasma exchange followed by administration of eculizumab. Two patients received eculizumab only and one showed significant improvement solely through supportive care. Eight patients in total received immunosuppressive therapy. Follow-up of three patients showed a significant decrease of anti-FH autoantibody titers in 2/3 after treatment and during clinical remission. Conclusions: The cohort of 70 pediatric patients in this study demonstrated that the frequency of anti-FH autoantibody-associated aHUS in Argentina is 20%. The implementation of anti-FH testing in the country can potentially contribute to improved treatment and follow-up for patients with autoimmune aHUS.
目的:描述阿根廷第一队列患者中抗H因子(FH)自身抗体相关的非典型溶血性尿毒症综合征(aHUS)的临床特征和频率。方法:对2013 - 2022年70例疑似aHUS患儿进行fh自身抗体检测。收集fh抗体阳性和阴性患者的临床和实验室参数进行比较。结果:筛选抗fh自身抗体的70例患者临床表现为非免疫性微血管病性溶血性贫血、血小板减少和肾损伤。14名儿童发现阳性滴度[平均:1,938任意单位/mL (AU/mL),范围179-8,500]。由于缺少临床资料,2例抗fh阳性患者和20例抗fh阴性患者被排除在数据分析之外。抗fh阳性aHUS病例(n = 12)的实验室特征和临床表现与未检测自身抗体的受试者(n = 36)非常相似。在分析的12例患者中,治疗给药存在异质性。共6例患者接受透析治疗。5名儿童接受血浆置换,3名患者接受血浆置换后给予eculizumab治疗。两名患者仅接受eculizumab治疗,一名患者仅通过支持性治疗显着改善。共有8例患者接受了免疫抑制治疗。随访3例患者,治疗后及临床缓解期2/3患者抗fh自身抗体滴度明显下降。结论:本研究的70例儿科患者队列显示,阿根廷抗fh自身抗体相关aHUS的发生率为20%。在该国实施抗fh检测可能有助于改善自身免疫性aHUS患者的治疗和随访。
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引用次数: 0
Immune-based, multifaceted inactivation of pathogenic T lymphocytes in treating autoimmune diseases 基于免疫的、多方面的致病性T淋巴细胞失活治疗自身免疫性疾病
Pub Date : 2023-10-30 DOI: 10.37349/ei.2023.00117
Victor Ivanovich Seledtsov, Galina V. Seledtsova, Alexei A. von Delwig
Immunotherapeutic treatment of autoimmune diseases should aim to inactivate autoaggressive memory T-cells and restore immune tolerance. It is envisaged that three approaches could be used to achieve this goal: stimulation of anti-idiotypic immune responses by vaccination with pathogenic T-cells; administration of suboptimal doses of antibodies (Abs) against two or more surface T-cell markers to provide selective Ab-mediated destruction of activated pathogenic memory T-cells; and induction of oral immune tolerance. The proposal entails the use of T-cell vaccination (TCV) or Ab-based therapy as an initial approach to reduce autoantigenic T-cell sensitization. Subsequently, the implementation of oral immunotherapy (OIT) is recommended to reinstate a consistent immune tolerance.
自身免疫性疾病的免疫治疗应旨在灭活自身侵袭性记忆t细胞并恢复免疫耐受。设想有三种方法可用于实现这一目标:通过接种致病性t细胞刺激抗独特型免疫反应;针对两种或多种表面t细胞标记物给予次优剂量的抗体(Abs),以提供选择性的抗体介导的活化致病性记忆t细胞的破坏;并诱导口腔免疫耐受。该建议需要使用t细胞疫苗接种(TCV)或基于抗体的治疗作为减少自身抗原t细胞致敏的初始方法。随后,建议实施口服免疫疗法(OIT)以恢复一致的免疫耐受。
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引用次数: 0
The concept and assessment of immune fitness 免疫适应度的概念及评价
Pub Date : 2023-10-27 DOI: 10.37349/ei.2023.00116
Joris C. Verster, Emina Išerić, Johan Garssen
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引用次数: 0
Loss of regulation of T helper 17 cells: a definitive factor for critical cases of coronavirus disease 2019 辅助性T - 17细胞调节缺失:2019冠状病毒病危重病例的决定性因素
Pub Date : 2023-10-16 DOI: 10.37349/ei.2023.00115
Miguel Angel Pardiño-Vega, Norma Estela Herrera-González
One of the greatest challenges in the study of coronavirus disease 2019 (COVID-19) has been to establish the determining factors in the severity of the disease. Through extensive research efforts, a crucial factor responsible for disease control or exacerbation in COVID-19 has been identified—the regulation of the immune response. The abnormal release of interleukin-1 (IL-1), IL-6, and tumor necrosis factor-alpha (TNF-α) has been extensively studied in the context of the altered immune response observed in severe cases of COVID-19. However, recent attention has turned towards the excessive release of IL-17 and the increased presence of T helper 17 (Th17) cells, the main secretory cells of this cytokine. These factors have garnered interest due to their potential involvement in the cytokine storm observed in severe cases of COVID-19. In this review, it will be delved into the intricate mechanisms by which IL-6 contributes to the differentiation of Th17 cells, resulting in an increase in the population of Th17 cells. Moreover, it will be explored the proportional relationship between the increase of these lymphocytes and the release of IL-17 and other chemokines, which all together play a key role in promoting the chemotaxis and activation of neutrophils. Ultimately, this cascade of events culminates in the generation of tissue damage by neutrophils. Additionally, therapeutic options targeting these lymphocytes and cytokines are explored, providing insights into potential avenues for intervention.
研究2019冠状病毒病(COVID-19)的最大挑战之一是确定疾病严重程度的决定因素。通过广泛的研究工作,已经确定了COVID-19疾病控制或恶化的一个关键因素-免疫反应的调节。在COVID-19重症病例中观察到的免疫反应改变的背景下,白细胞介素-1 (IL-1)、IL-6和肿瘤坏死因子-α (TNF-α)的异常释放已被广泛研究。然而,最近的注意力转向了IL-17的过度释放和辅助性T -17 (Th17)细胞的增加,Th17是该细胞因子的主要分泌细胞。这些因素引起了人们的兴趣,因为它们可能参与了在COVID-19严重病例中观察到的细胞因子风暴。本文将深入探讨IL-6参与Th17细胞分化并导致Th17细胞数量增加的复杂机制。此外,我们将探讨这些淋巴细胞的增加与IL-17等趋化因子的释放之间的比例关系,这些趋化因子在促进中性粒细胞的趋化和活化中起着关键作用。最终,这一连串的事件在中性粒细胞造成的组织损伤中达到高潮。此外,针对这些淋巴细胞和细胞因子的治疗选择进行了探索,为潜在的干预途径提供了见解。
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引用次数: 0
Risk factors and recurrent thrombosis in primary antiphospholipid syndrome 原发性抗磷脂综合征的危险因素与血栓复发
Pub Date : 2023-10-12 DOI: 10.37349/ei.2023.00114
Fariza A. Cheldieva, Anastasiia A. Shumilova, Mariya V. Cherkasova, Svetlana I. Glukhova, Aleksander M. Lila, Evgeny L. Nasonov, Tatiana M. Reshetnyak
Aim: The study aims to evaluate the incidence of recurrent thromboses in patients with primary antiphospholipid syndrome (PAPS) and its association with the presence of different antiphospholipid antibodies (aPLs) and known thrombogenic risk factors. Methods: This retrospective study included 52 patients. The median age of the patients was 38.5 years [31.5; 43.5], and the duration of the disease was 9.0 years [3.1; 13.0]. aPLs, including IgG/IgM/IgA antibodies to cardiolipin (aCLs), IgG/IgM/IgA anti-beta2-glycoprotein I (anti-β2-GPI), IgG anti-domain I-β2-GPI (anti-β2-GPI DI) antibodies, IgG/IgM antibodies to the phosphatidylserine/prothrombin complex (aPS/PT), and other thrombosis risk factors were included for analysis. Results: Recurrent thrombosis was reported in 34 (65%) out of 52 patients and 18 (35%) did not have it. The main reason for the recurrence of thrombosis was the lack of anticoagulant therapy: in 18 (52.9%) out of 34 patients with recurrent thrombosis. Three patients were taking warfarin at the time of thrombosis recurrence, but target international normalized ratio (INR) levels were not achieved. Other patients with recurrent thrombosis were taking direct oral anticoagulants (DOACs). The risk of recurrent thrombotic events with positive IgG aCL was 10.33 (P = 0.002) and 21 (P = 0.007) times higher were examined in enzyme-linked immunoassay (ELISA) and chemiluminescent assay (CLA), respectively. The risk of thrombosis was 4.58 times higher in patients who were IgA aCL-positive (P = 0.01). Compared with other antibodies, with positive IgG values of anti-β2-GPI and IgG aPS/PT by ELISA, a lower probability of thrombosis recurrence was observed: 7.56 and 7.25, respectively. A high risk of recurrent thrombosis [odds ratio (OR) = 32.0] was observed in IgG anti-β2-GPI (CLA). The combination of IgG aCL with IgG anti-β2-GPI and with IgG anti-β2-GPIDI is more informative with respect to the risks of thrombosis recurrence compared to double positivity for aCL with anti-β2-GPI (OR = 20.71 vs. OR = 10.18). Triple positivity for IgG aCL with IgG anti-β2-GPI and with IgG aPS/PT also shows better results compared to positivity for aCL with anti-β2-GPI (OR = 6.06 vs. OR = 5.79). Among other risk factors, arterial hypertension (AH) and obesity were significant in relation to the recurrence of thrombosis. AH occurred in 22 (42%) of 52 patients with PAPS. AH was associated with recurrent thrombosis in PAPS patients: 18 (53%) out of 34 with recurrent thrombosis had AH versus 4 out of 18 without recurrent thrombosis (P = 0.003). Conclusions: Recurrent thrombosis in antiphospholipid syndrome (APS) is largely associated with IgG aCL, IgG anti-β2-GPI, IgG anti-β2-GPIDI, IgG aPS/PT, and IgA aCL positivity. AH was a significant risk factor for recurrent thrombosis.
目的:本研究旨在评估原发性抗磷脂综合征(PAPS)患者复发性血栓的发生率及其与不同抗磷脂抗体(apl)和已知血栓形成危险因素的关系。方法:回顾性研究52例患者。患者的中位年龄为38.5岁[31.5;43.5],病程9.0年[3.1;13.0]。包括IgG/IgM/IgA抗心磷脂(aCLs)抗体、IgG/IgM/IgA抗β -糖蛋白I(抗β2- gpi)抗体、IgG抗结构域I-β2-GPI(抗β2- gpi DI)抗体、IgG/IgM抗磷脂酰丝氨酸/凝血酶原复合物(aPS/PT)抗体等血栓形成危险因素进行分析。结果:52例患者中34例(65%)复发血栓形成,18例(35%)无复发血栓形成。34例再发血栓患者中18例(52.9%)为未给予抗凝治疗。3例患者在血栓复发时正在服用华法林,但未达到国际标准化比率(INR)目标水平。其他复发性血栓患者直接口服抗凝剂(DOACs)。IgG aCL阳性患者的血栓事件复发风险分别是ELISA和CLA的10.33倍(P = 0.002)和21倍(P = 0.007)。IgA - acl阳性患者血栓形成风险高4.58倍(P = 0.01)。与其他抗体相比,ELISA检测抗β2- gpi IgG阳性和IgG aPS/PT阳性的患者血栓复发概率较低,分别为7.56和7.25。抗β2- gpi (CLA) IgG有较高的血栓复发风险[OR = 32.0]。与抗β2- gpi双阳性aCL相比,IgG aCL与IgG抗β2- gpi和IgG抗β2- gpidi联合检测在血栓复发风险方面更具信息性(OR = 20.71 vs OR = 10.18)。IgG aCL与IgG抗β2- gpi和IgG aPS/PT的三重阳性也比抗β2- gpi的aCL阳性显示更好的结果(OR = 6.06 vs OR = 5.79)。在其他危险因素中,动脉高血压(AH)和肥胖与血栓复发有显著关系。52例PAPS患者中22例(42%)发生AH。AH与PAPS患者血栓复发相关:34例血栓复发患者中有18例(53%)有AH, 18例无血栓复发患者中有4例(P = 0.003)。结论:抗磷脂综合征(APS)复发性血栓形成与IgG aCL、IgG抗β2- gpi、IgG抗β2- gpidi、IgG APS /PT、IgA aCL阳性有很大关系。AH是复发性血栓形成的重要危险因素。
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引用次数: 0
Research progress of immune balance and genetic polymorphism in unexplained recurrent abortion 不明原因复发性流产的免疫平衡与基因多态性研究进展
Pub Date : 2023-10-12 DOI: 10.37349/ei.2023.00113
Yafei Kang, Qinying Xie, Shuting Chen, Qinlan Li, Xinyi Dong, Tianyu Zhang, Sen Fu, Qinghua Lei, Donghui Huang
The etiology of recurrent spontaneous abortion (RSA) is extremely complex, as there are 40–50% of patients with unexplained miscarriages, known as unexplained RSA (URSA). URSA affects approximately 1–2% of females of childbearing age and has a massive impact on the physical and mental conditions of both patients and their families. The pathogenesis of the disease remains unclear, making its treatment complicated. In recent years, considerable progress has been made in the exploration of the URSA immune balance mechanism and it has been universally acknowledged that a balanced immune response (as abnormal immunity) may be the root cause of poor pregnancy outcomes. This review discussed and summarized the effects of immune cells and blocking antibodies (BAs) on URSA based on the current state of knowledge in this area. Additionally, molecular genetics also plays an essential role in the incidence rate of URSA since the role of genetic polymorphism in the pathogenesis of URSA has been thoroughly studied. Nonetheless, the outcomes of these studies are inconsistent, particularly across populations. This paper reviewed previous studies on URSA and maternal genetic polymorphism, focusing on and synthesizing the most important findings to date, and providing diagnostic recommendation for URSA patients with clinical symptoms.
复发性自然流产(RSA)的病因非常复杂,有40-50%的患者有不明原因的流产,称为不明原因的RSA (URSA)。URSA影响约1-2%的育龄女性,对患者及其家人的身心状况产生巨大影响。该病的发病机制尚不清楚,使其治疗变得复杂。近年来,对URSA免疫平衡机制的探索取得了相当大的进展,普遍认为免疫反应平衡(如免疫异常)可能是妊娠结局不佳的根本原因。本文就免疫细胞和阻断抗体(BAs)在URSA中的作用进行综述。此外,由于遗传多态性在URSA发病机制中的作用已被深入研究,分子遗传学在URSA的发病率中也起着至关重要的作用。然而,这些研究的结果是不一致的,特别是在不同的人群中。本文综述了以往URSA与母体遗传多态性的研究,重点总结了目前最重要的发现,并对有临床症状的URSA患者提供诊断建议。
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引用次数: 0
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