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BPA; An Endocrine Disruptor Induced Biochemical Changes and Histopathological Damage in the Kidneys of Rats (Rattus Norvegicus) 双酚a;内分泌干扰物诱导褐家鼠肾脏生化变化及组织病理损伤
Pub Date : 2023-06-28 DOI: 10.56512/as.2023.1.e230628
N. Hameed, T. Akhtar, N. Sheikh
Background: Xenoestrogens are chemical compounds that are similar to estrogen in effect but not in structure. Bisphenol A is an endocrine disruptor, that mimics the action of endogenous estrogen and activates the estrogen receptor. It is produced in large volumes and incorporated in many plastic industries worldwide. BPA is extensively used in food and beverages. The ubiquitous and extensive use of BPA containing products results in high human exposure, and its effects on the human body are of great concern. The aim of the present study was to evaluate the effects of BPA on biochemical and histopathological parameters of the kidney.Material and Methods: Forty adult male rats were assigned into five groups of eight rats each. One group was served as a control and other groups were treated with BPA. Rats were administered orally with different doses of BPA 10mg/Kg and 25mg/Kg for 6 and 12 weeks, respectively. All doses of BPA were dissolved in corn oil and orally administered to rats. After 6 and 12 weeks, blood and kidney samples were collected for evaluation of biochemical parameters and histopathological analyses.Results: Serum levels of urea and creatinine were significantly increased, and uric acid levels in serum were increased but not significantly. The biochemical parameters variations were confirmed by histopathological investigations. BPA induced toxicity may lead to harmful health effects.Conclusion: Results showed that the oral administration of BPA significantly affects biochemical parameters and renal tissue architecture.
背景:异雌激素是一种在作用上与雌激素相似但在结构上不同的化合物。双酚A是一种内分泌干扰物,它模仿内源性雌激素的作用,激活雌激素受体。它被大量生产,并被纳入全球许多塑料行业。双酚a广泛用于食品和饮料。含双酚a产品的普遍和广泛使用导致人体暴露量高,其对人体的影响备受关注。本研究的目的是评估BPA对肾脏生化和组织病理学参数的影响。材料与方法:将40只成年雄性大鼠分为5组,每组8只。其中一组作为对照组,其他组使用双酚a。大鼠分别口服不同剂量BPA 10mg/Kg和25mg/Kg,持续6周和12周。所有剂量的双酚a都溶解在玉米油中,并口服给大鼠。6周和12周后,采集血液和肾脏样本进行生化参数评估和组织病理学分析。结果:血清尿素和肌酐水平显著升高,血清尿酸水平升高但不显著。组织病理学检查证实了生化参数的变化。双酚a引起的毒性可能导致有害的健康影响。结论:双酚a对大鼠肾组织结构及生化指标有显著影响。
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引用次数: 0
Hypoalbuminemia in COVID-19: Molecular and Mechanistic Approach 低白蛋白血症在COVID-19:分子和机制方法
Pub Date : 2023-06-06 DOI: 10.56512/as.2023.1.e230606
Ali Afzal, Sara Shahzaman, Arwa Azam, Usman Ghani, Muhammad Babar Khawar, Nimra Afzal, Muhammad Idnan, Ume Habiba, Muhammad Abu Talha Safdar Hashmi, Syeda Eisha Hamid, Rimsha Naseem
Hypoalbuminemia is a clinical feature of COVID-19 which is caused by a multitude of processes in COVID-19, including acute liver damage (ALI), oxidative burst, viral-albumin binding, dysregulated immunological responses, and viral genome interference in the host cell, all of which lead to organ failure and patient mortality. We used a mechanistic approach to discuss a number of potential molecular mechanisms that cause hypoalbuminemia, as well as some effective treatment methods. As this study employs molecular approaches to characterize hypoalbuminemia, this work is promising in molecular medicine and drug development.
低白蛋白血症是COVID-19的一个临床特征,它是由COVID-19的多种过程引起的,包括急性肝损伤(ALI)、氧化破裂、病毒-白蛋白结合、免疫反应失调以及宿主细胞中的病毒基因组干扰,所有这些都会导致器官衰竭和患者死亡。我们使用了一种机制的方法来讨论一些潜在的分子机制,导致低白蛋白血症,以及一些有效的治疗方法。由于本研究采用分子方法表征低白蛋白血症,因此在分子医学和药物开发方面具有广阔的应用前景。
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引用次数: 0
Alterations in serum Thyroid and Reproductive hormone levels in occupationally exposed pesticides sprayers 职业暴露农药喷洒者血清甲状腺激素和生殖激素水平的变化
Pub Date : 2023-05-04 DOI: 10.56512/as.2023.1.e230504
Nimra Naveed, Uswa Javed, B. Fatima, Usama Atiq, Shaaf Ahmad, Kaleem Maqsood, M. A. Iqbal, N. Roohi
Background: Pesticides contain endocrine disrupting chemicals that have potential to perturb the normal thyroid and reproductive hormone axis. The aim of present study was to estimate the variations in serum tri-iodothyronine (T3) tetra-iodothyronine (T4) thyroid stimulating hormone (TSH) and testosterone levels in occupationally exposed pesticide sprayers in comparison to controls. Methods: For this purpose, blood samples of (n=50) pesticide sprayers were collected from District Layyah, south Punjab, Pakistan. Whereas, samples (n=25) of healthy control subjects were obtained from University of the Punjab, Lahore. Levels of T3, T4, TSH and testosterone in the serum were estimated by ELISA technique. The data obtained was analyzed by applying Un-paired Student “t” test at with significance level of P < 0.05. Graph pad prism version 6.0 software was utilized for statistical interpretation. Results: Pronounced (P < 0.0001) decrease of both T3 and T4, whereas, a significant increase in TSH (P = 0.005) level was evidenced in pesticide sprayers as compared to controls. Moreover, a significant decrease (P < 0.001) was noted in the level of testosterone in pesticide sprayers as compared to controls. Conclusion: Pertinently, the pesticides are a potent source of inducing imbalances in T3, T4, TSH, and testosterone secretion. Pesticide sprayers are, therefore, recommended to use prophylactic measures like wearing face masks and opt safer protocols in order to avoid direct hazardous exposure to endocrine disrupting chemicals.
背景:农药含有内分泌干扰化学物质,有可能干扰正常的甲状腺和生殖激素轴。本研究的目的是评估职业暴露农药喷洒者血清三碘甲状腺原氨酸(T3)、四碘甲状腺原氨酸(T4)、促甲状腺激素(TSH)和睾酮水平与对照组的变化。方法:在巴基斯坦旁遮普省南部Layyah区采集农药喷洒员血液样本50例。健康对照样本(n=25)来自拉合尔旁遮普大学。ELISA法测定血清T3、T4、TSH、睾酮水平。所得资料采用unpaired Student“t”检验,P < 0.05。采用graphpad prism 6.0版软件进行统计解译。结果:与对照组相比,喷雾剂组T3和T4明显降低(P < 0.0001),而TSH水平显著升高(P = 0.005)。此外,与对照组相比,农药喷雾器中睾酮水平显著降低(P < 0.001)。结论:农药是诱导T3、T4、TSH和睾酮分泌失衡的有力来源。因此,建议农药喷雾器使用戴口罩等预防措施,并选择更安全的方案,以避免直接接触内分泌干扰化学物质的危险。
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引用次数: 0
Vitamin D: A Ray of Hope in Combating COVID-19‎ 维生素D:抗击COVID-19的一线希望
Pub Date : 2023-03-18 DOI: 10.56512/as.2023.1.e230318
Abdullah Muhammad Sohail, Muhammad Babar Khawar, Ali Afzal, Muhammad Idnan, Sjawal Arshad, Ume Habiba, Syeda Esha Hamid, Sara Shahzaman, Nayab Shahid, Muhammad Ahsan Ashraf, Momna Ramzan
COVID-19, which is caused by the SARS-CoV-2 virus, is the current global pandemic. As it spreads at an exponential and precipitous rate, it causes significant organ damage, which can potentially lead to death. Although there appears to be no specific cure or resistance to this outbreak, the use and administration of Vitamin D (VD) supplements is still a viable option, as evidenced by numerous clinical trials, studies, and observations. The results of the previous investigation have revealed that people with COVID-19 had reduced levels of VD, especially those with severe and critical diseases. The arrangement of receptors such as the angiotensin-converting enzyme (ACE-II) is altered by VD. As a result, it plays an important role in immune system responses to cytokine storms and interleukins. This review aims to uncover and explain how VD might help in combating COVID-19 and possibly hold the key to minimizing its hazard in the light of currently available therapeutic strategies. Finally, we compare and contrast other researcher’s approaches to VD and COVID-19.
由SARS-CoV-2病毒引起的COVID-19是当前的全球大流行。当它以指数和陡峭的速度传播时,它会造成严重的器官损伤,这可能导致死亡。尽管似乎没有特定的治疗方法或耐药性,但正如许多临床试验、研究和观察所证明的那样,维生素D补充剂的使用和管理仍然是一个可行的选择。先前的调查结果显示,COVID-19患者的VD水平降低,特别是那些患有严重和危重疾病的人。血管紧张素转换酶(ACE-II)等受体的排列被VD改变。因此,它在免疫系统对细胞因子风暴和白细胞介素的反应中起着重要作用。本综述旨在揭示和解释VD如何帮助对抗COVID-19,并可能根据目前可用的治疗策略将其危害降至最低。最后,我们比较和对比了其他研究人员对VD和COVID-19的方法。
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引用次数: 1
Alpha Lipoic Acid Ameliorates the Artificial Sugar Induced Injury to the Female Reproductive Organs of Mice 硫辛酸对人工糖对小鼠雌性生殖器官损伤的改善作用
Pub Date : 2023-01-31 DOI: 10.56512/as.2023.1.e230131
Hira Ashfaq, Asma Rashid Khan, M. Abbasi, Asif Mehmood Qureshi, M. Waqar, Kainat Bilal, Khansa Bajwa
Background: High Fructose Corn syrup (HFCS) is one of the most common artificial sweetener widely used in many food stuff. Alpha lipoic acid (ALA) is a natural antioxidant that reduces the level of Reactive Oxygen Species (ROS).Aim of the study:  The aim of the study was to find out, whether alpha lipoic acid can mitigate the toxic effect of High Fructose Corn syrup (HFCS) on the female reproductive organ.Materials and Methods: 30 female mice were equally divided into three groups. Dose group HFCSI was administrated with 25% HFCS, while dose group HFCSII was administrated with 25%HFCS and 35mg/ kg of BW ALA for 30 days. After stipulated time, mice were sacrificed to remove ovaries for the final study.Results: Histological studies showed following defects in the ovaries of dose group CS I i.e. granulosa cells having less intact oocytes, injured primordial follicles, Cysts development, degraded oocyte and a reduced count of follicles and disarrangements of Tunica albuginea and ovarian surface epithelium. While treatment with ALA reduced the ovarian damage by improving the histopathological changes caused by HFCS. Conclusion: The findings of this research project showed that consumption of HFCS resulted in  rise  in oxidative stress (OS) and  distorted ovarian morphology, that is histologically approved. A combined recovery with alpha Lipoic acid has also been evident and found to be  more efficient to improve reproductive pathologies, normal count of follicles, oxidative stress (OS), and histopathological score.
背景:高果糖玉米糖浆(HFCS)是一种最常见的人工甜味剂,广泛应用于许多食品中。α硫辛酸(ALA)是一种天然抗氧化剂,可以降低活性氧(ROS)的水平。研究目的:研究α硫辛酸是否能减轻高果糖玉米糖浆(HFCS)对女性生殖器官的毒性作用。材料与方法:30只雌性小鼠平均分为三组。HFCSI剂量组给予25%HFCS, HFCSII剂量组给予25%HFCS和35mg/ kg BW ALA,连续30 d。在规定时间后,处死小鼠,切除卵巢,进行最后的研究。结果:组织学研究显示,CS I剂量组卵巢存在以下缺陷:颗粒细胞卵母细胞完整程度降低,原始卵泡损伤,囊肿发育,卵母细胞降解,卵泡数量减少,白膜和卵巢表面上皮紊乱。而ALA治疗通过改善HFCS引起的组织病理改变来减轻卵巢损伤。结论:本研究结果表明,食用高果糖玉米糖浆可导致卵巢氧化应激(OS)升高和卵巢形态扭曲,这在组织学上是证实的。α硫辛酸联合恢复也很明显,并被发现对改善生殖病理、正常卵泡计数、氧化应激(OS)和组织病理学评分更有效。
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引用次数: 0
Collagen: An Overview from Past to Future Applications 胶原蛋白:从过去到未来应用的概述
Pub Date : 2022-11-15 DOI: 10.56512/as.2022.2.e221115
Fakhar Zaman, Muhammad Waqas Ishaq, Abdullah Muhammad Sohail
Collagen, a structural protein, prevalent in animals, especially in skin, bones, and joints, responsible for providing fundamental structural support, is being used extensively in cosmetics. Mammalian and fish skin are the most common sources of collagen. Collagen's unique qualities, such as its role as a natural humectant and moisturizer for the skin, have piqued the curiosity of both academics and the cosmetic industry. In this review study, collagen biosynthesis, collagen sources used in the cosmetic industry, and collagen's function in cosmetics are discussed along with future aspects of collagen-based materials in cosmetics.
胶原蛋白是一种结构蛋白,普遍存在于动物中,特别是在皮肤、骨骼和关节中,负责提供基本的结构支持,被广泛用于化妆品中。哺乳动物和鱼皮是胶原蛋白最常见的来源。胶原蛋白的独特品质,如它作为皮肤的天然保湿剂和保湿剂的作用,激起了学术界和化妆品行业的好奇心。本文就胶原蛋白的生物合成、化妆品中胶原蛋白的来源、胶原蛋白在化妆品中的功能等方面进行了综述,并对胶原蛋白基材料在化妆品中的应用前景进行了展望。
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引用次数: 0
Psoriasis, An Overview of its Pathogenesis and Available Treatment Modalities 银屑病:发病机制及治疗方法综述
Pub Date : 2022-10-30 DOI: 10.56512/as.2022.2.e221030
Zari Salahuddin, Muhammad Usman Ali Khan, T. Akhtar
Psoriasis is a chronic inflammatory and genetic disease that mainly involves skin with some complicated forms extending to other body systems. The disease is fairly common with genetic predisposition as one of the major etiology. It is known to occur as a result of immune system aberration involving helper T cells mainly and is thus treated on similar lines with most of the drugs belonging to immunomodulator class like steroids, calcineurin inhibitors, methotrexate and various others like retinoids. Disease pathology has a new area of research advancement focused on oxidative stress. It has been suggested that reactive oxygen species have a considerable role in the cascade of pathological features. The disease shows relapses and remissions seldom showing a remarkable or complete recovery. A therapy which can completely resolve the cosmetic and other important symptoms is still a food for research. The dimensions of research have also been inclined to nano particles as treatment options over past few years. In this review, our key objective is to highlight the complexity and clinical diversity of this multifaceted disorder, its pathogenesis and the potential of state of the art treatment options.
银屑病是一种慢性炎症性遗传病,主要累及皮肤,形式复杂,可扩展到其他身体系统。此病相当常见,遗传易感性是主要病因之一。众所周知,它是由主要涉及辅助性T细胞的免疫系统畸变引起的,因此与大多数属于免疫调节剂类的药物(如类固醇、钙调磷酸酶抑制剂、甲氨蝶呤和类维生素a等其他药物)的治疗方法相似。氧化应激是疾病病理学研究的一个新领域。有人认为活性氧在病理特征的级联中起着相当大的作用。这种疾病有复发和缓解,很少有显著或完全恢复的迹象。一种可以完全解决美容和其他重要症状的疗法仍然是一个值得研究的课题。在过去的几年里,研究的维度也倾向于纳米颗粒作为治疗选择。在这篇综述中,我们的主要目的是强调这种多面性疾病的复杂性和临床多样性,其发病机制和最先进的治疗选择的潜力。
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引用次数: 0
Clinicopathological Patterns and Biochemical Markers in Serum of Uterine Leiomyoma Patients 子宫平滑肌瘤患者的临床病理特征及血清生化指标
Pub Date : 2022-10-25 DOI: 10.56512/as.2022.2.e221025
Sundas Akram, Amaila Akmal, Shaaf Ahmad, Husna Ahmad, N. Roohi
Background: Uterine fibroids (leiomyomas) are exceedingly common reproductive neoplasms with foremost public health impact. A cross-sectional study was performed to systematically investigate the marker enzymes, clinicopathological correlations, and electrolyte profile in myoma Method: This study enrolled 44 control and 46 leiomyoma subjects, aged 21- 50 years. Anthropometric parameters, detailed history of disease and clinicopathological outcomes were documented via a standardized questionnaire followed by uterine ultrasound investigation. Venous blood samples were taken for the measurement of marker enzymes and serum electrolyte concentration with commercially accessible kits Results: In the age group between 30-40 years high incidence of myoma (43.5%) was found. Majority of fibroids were observed single (52%) and Intramural uterine fibroids were found more common type (61%) of leiomyomas. Menorrhagia was frequent clinical demonstration with 63% leiomyoma cases. In 26% myoma women positive family history of leiomyomas was also observed. A significant increase in diastolic blood pressure (DBP) and body mass index (BMI) while in parity a significant decrease was recorded in leiomyoma patients in comparison with controls. Serum electrolytes investigation revealed a substantial increase in the calcium (Ca2+) as well as chloride (Cl–) concentration and significant drop in potassium (K+) concentration in myoma subjects when compared to the controls. While for serum sodium (Na+) concentration, a non-significant difference was documented between comparable groups. Analysis of marker enzymes manifested a significant increase in the serum concentration of aspartate transaminase (AST), alanine transaminase (ALT) and acid phosphatase (ACP) in fibroid patients in comparison to controls whereas non-significant variations were recorded for serum alkaline phosphatase (ALP) concentration.Conclusion: A reduced serum K+ concentrations and raised Ca2+, Cl–and Na+ levels in the leiomyoma patients illustrate increased estrogen concentration, that may be responsible for fibroid growth and serum concentration of AST, ACP and ALP are sustainable diagnostic markers of uterine fibroids.
背景:子宫肌瘤(平滑肌瘤)是一种极为常见的生殖肿瘤,对公众健康有着重要的影响。横断面研究系统地研究了肌瘤中的标记酶、临床病理相关性和电解质谱。方法:本研究招募了44名对照组和46名年龄在21- 50岁之间的平滑肌瘤患者。通过标准化问卷和子宫超声检查记录了人体测量参数、详细的病史和临床病理结果。结果:30 ~ 40岁年龄组肌瘤发生率高(43.5%)。绝大多数子宫肌瘤为单一类型(52%),子宫壁内肌瘤为常见类型(61%)。月经过多是常见的临床表现,占平滑肌瘤病例的63%。26%的肌瘤患者有平滑肌瘤家族史。与对照组相比,平滑肌瘤患者的舒张压(DBP)和体重指数(BMI)显著升高,而胎次则显著降低。血清电解质调查显示,与对照组相比,肌瘤患者的钙(Ca2+)和氯(Cl -)浓度显著增加,钾(K+)浓度显著下降。而血清钠(Na+)浓度在可比组之间无显著差异。标记酶分析表明,与对照组相比,肌瘤患者血清中谷草转氨酶(AST)、丙氨酸转氨酶(ALT)和酸性磷酸酶(ACP)浓度显著升高,而血清碱性磷酸酶(ALP)浓度无显著变化。结论:平滑肌瘤患者血清K+浓度降低,Ca2+、cl和Na+水平升高,提示雌激素浓度升高,可能与肌瘤生长有关,血清AST、ACP和ALP浓度是子宫肌瘤的可持续诊断指标。
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引用次数: 0
Serum Lipid Variation in Patients with Dengue Virus Infection and Associated Risks of Cardio Vascular Disorder 登革病毒感染患者的血脂变化与心血管疾病的相关风险
Pub Date : 2022-10-03 DOI: 10.56512/as.2022.2.e221003
Maira Awan, Kaleem Maqsood, Shaaf Ahmad, Husna Ahmad, M. A. Iqbal, N. Roohi
Background: Dengue virus (DENV) is a most prevalent arbovirus with about 100 million infections worldwide every year. It is endemic in the subtropical and tropical areas in the world, an emerging public health threat. Serum lipidome is a key player in the immune system response of the patient for the period of dengue fever. This study was aimed to assess the lipids deviations in serum of patients with dengue fever. Materials and Methods: Three For this case-control study blood samples of N=65 dengue patients of age ≥18 year were collected from the Mayo Hospital, Lahore. Whereas samples of 45 healthy individuals were collected from the University of the Punjab, Lahore. Blood samples from subjects were collected to analyze serum lipidome. Results: Significantly (P < 0.001) increased serum triglyceride, total cholesterol, low density lipoprotein, and very low-density lipoprotein while a significant (P < 0.001) reduction in high density lipoprotein was observed in the dengue patient’s serum in contrast to the control. Conclusion: We can conclude that DENV infection can contribute to dyslipidemia with subsequent cardiovascular disorder symptoms. Therefore, patients infected with DENV should monitor their serum lipid profiles to deal with DENV induced effects to the cardiovascular physiology.
背景:登革热病毒(DENV)是一种最流行的虫媒病毒,全世界每年约有1亿人感染。它在世界亚热带和热带地区流行,是一种新出现的公共卫生威胁。血清脂质组在登革热患者免疫系统反应中起关键作用。本研究旨在评估登革热患者血清脂质偏差。材料与方法:本病例对照研究从拉合尔梅奥医院采集年龄≥18岁的登革热患者N=65例血液样本。而从拉合尔的旁遮普大学收集的45名健康个体的样本。采集受试者血样分析血清脂质组。结果:与对照组相比,登革热患者血清中甘油三酯、总胆固醇、低密度脂蛋白和极低密度脂蛋白显著(P < 0.001)升高,而高密度脂蛋白显著(P < 0.001)降低。结论:我们可以得出结论,DENV感染可导致血脂异常并随后出现心血管疾病症状。因此,应监测DENV感染患者的血脂水平,以应对DENV对心血管生理的影响。
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引用次数: 0
Sub-Chronic Effects of Sodium Metabisulfite on the Intestinal Microarchitecture of Mice 代谢亚硫酸钠对小鼠肠道微结构的亚慢性影响
Pub Date : 2022-09-15 DOI: 10.56512/as.2022.2.e220915
S. Fatima, Hussain Khan, A. Majid, M. Atif, Azka Zafar, Adil Farooq, Muhammad Fahad Baig, Asma Khan
Background: Sodium metabisulfite (SM) is commonly used with varying concentrations as a preservative, sewage treatment chemical, and in other commercial consumer products etc. It is reported to pose series of health hazards affecting various vital organs. The current study was aimed to find histological alterations in the intestine with sub-chronic exposure of SM in albino mice.Materials and Methods: Ten mice were orally given SM (1.2 mg/kg mixed in 0.1 ml corn oil) for 21 days while ten mice were kept in the control group (no SM). All the mice were dissected, and small intestine pieces were excised and processed for histological sectioning and staining.Results: SM disrupts the outer wall of villi and microvilli of the small intestine. Moreover, a narrow lumen and few mitotic figures were seen in the intestinal glands.Conclusion: The results concludes that SM is a potential source of major organ’s defects and hence its usage should be lessened to improve the health status.
背景:焦亚硫酸钠(SM)被广泛用于不同浓度的防腐剂、污水处理化学品和其他商业消费品等。据报道,它会对人体各重要器官造成一系列健康危害。目前的研究旨在发现亚慢性SM暴露在白化小鼠肠道中的组织学改变。材料与方法:10只小鼠口服SM (1.2 mg/kg混合于0.1 ml玉米油中)21 d, 10只小鼠为对照组(不注射SM)。所有小鼠均解剖,切除小肠切片,进行组织切片和染色。结果:SM破坏小肠绒毛外壁和微绒毛。肠腺内腔狭窄,有丝分裂象较少。结论:SM是主要脏器缺陷的潜在来源,应减少SM的使用,以改善健康状况。
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引用次数: 0
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Albus Scientia
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