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1.
Chinese Journal of Biotechnology ; (12): 226-238, 2024.
Article in Chinese | WPRIM | ID: wpr-1008091

ABSTRACT

TCP family as plant specific transcription factor, plays an important role in different aspects of plant development. In order to screen TCP family members in tobacco, the homologous sequences of tobacco and Arabidopsis TCP family were identified by genome-wide homologous alignment. The physicochemical properties, phylogenetic relationships and cis-acting elements were analyzed by bioinformatics. The homologous genes of AtTCP3/AtTCP4 were screened, and RT-qPCR was used to detect the changes of gene expression upon 20% PEG6000 treatment. The results show that tobacco contains 63 TCP family members. Their amino acid sequence length ranged from 89 aa to 596 aa, and their protein hydropathicity grand average of hydropathicity (GRAVY) ranged from -1.147 to 0.125. The isoelectric point (pI) ranges from 4.42 to 9.94, the number of introns is 0 to 3, and the subcellular location is all located in the nucleus. The results of conserved domain and phylogenetic relationship analysis showed that the tobacco TCP family can be divided into PCF, CIN and CYC/TB1 subfamilies, and each subfamily has a stable sequence. The results of cis-acting elements in gene promoter region showed that TCP family genes contain low docile acting elements (LTR) and a variety of stress and metabolic regulation related elements (MYB, MYC). Analysis of gene expression patterns showed that AtTCP3/AtTCP4 homologous genes (NtTCP6, NtTCP28, NtTCP30, NtTCP33, NtTCP42, NtTCP57, NtTCP63) accounted for 20% PEG6000 treatment significantly up-regulated/down-regulated expression, and NtTCP30 and NtTCP57 genes were selected as candidate genes in response to drought. The results of this study analyzed the TCP family in the tobacco genome and provided candidate genes for the study of drought-resistance gene function and variety breeding in tobacco.


Subject(s)
Nicotiana/genetics , Phylogeny , Plant Breeding , Amino Acid Sequence , Arabidopsis , Polyethylene Glycols
2.
Acta Pharmaceutica Sinica ; (12): 43-60, 2024.
Article in Chinese | WPRIM | ID: wpr-1005438

ABSTRACT

Influenza virus causes serious threat to human life and health. Due to the inherent high variability of influenza virus, clinically resistant mutant strains of currently approved anti-influenza virus drugs have emerged. Therefore, it is urgent to develop antiviral drugs with new targets or mechanisms of action. RNA-dependent RNA polymerase is directly responsible for viral RNA transcription and replication, and plays key roles in the viral life cycle, which is considered an important target of anti-influenza drug design. From the point of view of medicinal chemistry, this review summarizes current advances in diverse small-molecule inhibitors targeting influenza virus RNA-dependent RNA polymerase, hoping to provide valuable reference for development of novel antiviral drugs.

3.
Acta Pharmaceutica Sinica ; (12): 298-312, 2024.
Article in Chinese | WPRIM | ID: wpr-1016639

ABSTRACT

The pandemic of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused a serious impact on global public health and the economy. SARS-CoV-2 infiltrates host cells via its surface spike protein, which binds to angiotensin-converting enzyme 2 on the host cell membrane. As a result, small molecules targeting spike protein have emerged as a hotspot in anti-SARS-CoV-2 drug research. Activity screening is an important step in seeking small molecule drugs. Therefore, this article aims to review the biological activity evaluation methods of small molecule inhibitors targeting SARS-CoV-2 spike protein, with the goal of laying the foundation for the discovery of new anti-SARS-CoV-2 drugs.

4.
Acta Pharmaceutica Sinica ; (12): 543-553, 2024.
Article in Chinese | WPRIM | ID: wpr-1016618

ABSTRACT

Currently, clinically used drugs for the treatment of gout inflammation, such as colchicine, nonsteroidal anti-inflammatory drugs, and glucocorticoids, can only relieve the pain of joint inflammation and have severe hepatorenal toxicity and multiple organ adverse reactions. The NOD-like receptor thermal protein domain associated protein 3 (NLRP3) inflammasome is a key complex that induces the onset of gout inflammation and has become a crucial target in the development of anti-gout drugs. This article reviews the research progress of anti-gout small molecules targeting the NLRP3 inflammasome and their bioactivity evaluation methods in the past five years, in order to provide information for the development of specific drugs for the treatment of gout inflammation.

5.
International Eye Science ; (12): 580-584, 2024.
Article in Chinese | WPRIM | ID: wpr-1012825

ABSTRACT

The global prevalence of myopia is increasing year by year, leading to many ocular health issues and social problems. In recent years, it has been confirmed that peripheral defocus is closely related to the occurrence and development of myopia. Alteration of the state of peripheral defocus can significantly influence the progression of myopia and emmetropization, but the exact mechanisms are still unclear. At present, there is no method that can completely control myopia. Nowadays, the main controlling methods, including orthokeratology lens, peripheral defocus lens and multi-focal soft lens, have been confirmed to be closely related to peripheral defocus. In this paper, we will review and summarize the development and effect of these peripheral defocus relating control methods. In addition, the researches on the related mechanisms of peripheral retinal defocus and myopia prevention and control at home and abroad are reviewed, as well as the potential mechanisms of peripheral defocus, with a view to further improving the controlling effects of existing methods, developing new prevention and control methods and reducing the incidence and progression of myopia.

6.
Acta Pharmaceutica Sinica ; (12): 2203-2217, 2023.
Article in Chinese | WPRIM | ID: wpr-999143

ABSTRACT

To address the continuous emergence of drug-resistant strains of viruses and the outbreaks of novel virus infections, developing new antiviral drugs based on novel strategies has become an important and urgent research topic. In recent years, the rapidly developing multi-specific binding strategy has become a focus and been widely applied in antiviral. This review summarizes the recent progress of the multi-specific binding strategy in the antiviral field from the perspective of medicinal chemistry and discusses existing challenges as well as future opportunities for antiviral drug discovery.

7.
Acta Pharmaceutica Sinica ; (12): 3270-3284, 2023.
Article in Chinese | WPRIM | ID: wpr-999071

ABSTRACT

Hepatitis B virus infection is a serious threat to human life and health. The approved anti-HBV drugs including interferons and nucleos(t)ide analogues have serious adverse effect, rebound phenomena after drug withdrawal, and drug resistance. And the cccDNA cannot be completely eliminated by both of them, which is the reason why a complete cure for hepatitis B cannot be achieved. Therefore, developing anti-HBV drugs directly targeting protein or nucleic acid of HBV remains a current public health priority. Based on the analysis of representative literature from the last decade, this article reviews recent developments in small molecule inhibitors directly targeting HBV from a medicinal chemistry perspective.

8.
Acta Pharmaceutica Sinica ; (12): 3254-3269, 2023.
Article in Chinese | WPRIM | ID: wpr-999070

ABSTRACT

Hemagglutinin and neuraminidase, two important glycoproteins on the surface of influenza virus, play a considerable role in the entry and release stage of the viral life cycle, respectively. With in-depth investigation of influenza virus glycoproteins and the continuous innovation of drug discovery strategies, a new generation of glycoproteins inhibitors have been continuously discovered. From the point of view of medicinal chemistry, this review summarizes the current advances in seeking small-molecule inhibitors targeting influenza virus glycoproteins, hoping to provide valuable guidance for future development of novel antiviral drugs.

9.
Acta Pharmaceutica Sinica ; (12): 3116-3122, 2023.
Article in Chinese | WPRIM | ID: wpr-999055

ABSTRACT

The polymorphism and thermostability of nirmatrelvir, the main antiviral component of the oral COVID-19 treatment drug, were studied. Four polymorphs of nirmatrelvir were prepared by recrystallization methods. Among them, Form 1 and nirmatrelvir methyl tert-butyl ether solvate (Form 2) had been reported in the literature, while nirmatrelvir isobutyl acetate solvate (NMTW-IBAC) and nirmatrelvir ethyl acetate solvate (NMTW-EA) are two new solvates. The crystal structures were characterized by single-crystal X-ray diffraction, powder X-ray diffraction, thermogravimetric analysis and differential scanning calorimetry. The thermostability of polymorphism and crystalline transformation were also investigated by combining Hirshfeld surface analysis and interaction energy analysis. The results showed that nirmatrelvir Form 1 belongs orthorhombic crystal system with the space group P212121 and one nirmatrelvir molecule included in the asymmetric unit, which has the same crystal structure as nirmatrelvir Form 4 reported in the literature. Owing to its larger thermal expansion, the differences in crystallographic parameters obtained at different temperatures were found between Form 1 and Form 4. Three solvates of nirmatrelvir belonged to the iso-structural with monoclinic crystal system and the space group P21, in which the asymmetric unit contains one nirmatrelvir molecule and one solvent molecule. The thermal analysis results showed that nirmatrelvir Form 1 was a solvent-free crystal form with the best thermal stability and the strongest intermolecular hydrogen bonding. Among the three solvates, NMTW-EA has the worst thermal stability and the weakest hydrogen bonding interaction between the nirmatrelvir molecule and the solvent molecule. The energy framework of nirmatrelvir solvates showed that the closer the arrangement between solvent and nirmatrelvir molecules, the greater the total interaction energy between solvent and nirmatrelvir molecules. The phase transition studies of the three solvates showed that NMTW-IBAC and NMTW-EA were transformed into amorphous after desolvation, respectively, while Form 2 undergoes oiling during desolvation. The research provides theoretical guidance for the analysis, identification and quality control of nirmatrelvir polymorphs.

10.
Acta Pharmaceutica Sinica ; (12): 2979-2994, 2023.
Article in Chinese | WPRIM | ID: wpr-999040

ABSTRACT

Hepatitis B virus (HBV) represents a significant global public health challenge. Despite the availability of several approved drugs for hepatitis B treatment, the persistence of covalently closed circular DNA (cccDNA) renders HBV eradication elusive, thereby leading to disease relapse after drug withdrawal. This paper reviews the regulatory mechanisms of cccDNA formation, transcription and replication, and summarizes the research progress of related small molecule regulators from the perspective of medicinal chemistry.

11.
Acta Pharmaceutica Sinica ; (12): 2581-2600, 2023.
Article in Chinese | WPRIM | ID: wpr-999009

ABSTRACT

As a common protease with high similarity among coronavirus species, the main protease (Mpro) of SARS-CoV-2 is responsible for the catalytic hydrolysis of viral precursor proteins into functional proteins, which is essential for coronavirus replication and is one of the ideal targets for the development of broad-spectrum antiviral drugs. This paper reviews the main protease inhibitors of SARS-CoV-2, including their molecular structures, potencies and drug-like profiles, binding modes and structure-activity relationships, etc.

12.
Chinese Journal of Rehabilitation Theory and Practice ; (12): 504-509, 2023.
Article in Chinese | WPRIM | ID: wpr-975132

ABSTRACT

ObjectiveTo investigate the effect of self-efficacy-based intelligent walking training on function of lower extremities of stroke patients. MethodsFrom December, 2021 to December, 2022, 44 stroke inpatients from Zhejiang Provincial People's Hospital were randomly divided into control group (n = 22) and experimental group (n = 22). Both groups accepted routine rehabilitation, while the control group accepted routine gait training, and the experimental group accepted self-efficacy-based intelligent walking training on the gait training system (Walker View), for six weeks. They were assessed with Fugl-Meyer Assessment-Lower Extremities, 10-Meter Walk Test, Timed 'Up and Go' Test, stride length and average walking velocity, Functional Ambulation Category and General Self-Efficacy Scale before and after treatment. ResultsThree cases dropped down in the experimental group. All the indexes improved in two groups after treatment (|t| > 5.808, |Z| > 2.961, P < 0.01), and improved more in the experimental group than in the control group (|t| > 2.049, Z = -2.572, P < 0.05). ConclusionThe self-efficacy-based intelligent walking training can promote the recovery of motor function of lower extremities and walking ability in stroke patients.

13.
Chinese journal of integrative medicine ; (12): 971-979, 2023.
Article in English | WPRIM | ID: wpr-1010291

ABSTRACT

OBJECTIVE@#To analyze the factors related to pregnancy of endometriosis and whether Chinese herbal medicines (CHMs) can improve pregnancy outcomes in patients with endometriosis in long-term management.@*METHODS@#This multicenter cohort study retrospectively analyzed the clinical data of endometriosis patients with fertility needs from January 2019 to November 2019. A total of 252 patients with endometriosis from 5 level-III Grade A hospitals in Beijing were included in this study. Univariate and multivariate logistic regression analysis were performed for the relevant factors. The propensity score matching (PSM) function of SPSS software was used to match the CHMs group with the non-CHMs group. The pregnancy rate and live birth rate were analyzed.@*RESULTS@#The results of univariate analysis showed that age, disease course, presence of infertility, presence of adenomyosis, time after surgery or use of gonadotropin-releasing hormone agonist (GnRH-a), use of CHMs and follow-up time were influencing factors of pregnancy in endometriosis patients (P<0.05). The results of multivariate analysis showed that age, presence of adenomyosis, time after surgery or use of GnRH-a, use of CHMs and follow-up time were independent factors affecting pregnancy in endometriosis patients, among which, age ⩾35 years old, presence of adenomyosis and follow-up time >6 months were independent risk factors (OR=0.445, 0.348, 0.140, respectively, P<0.05), time after surgery or use of GnRH-a ⩽6 months and use of CHMs were independent protective factors (OR=3.839, 3.842, respectively, P<0.05). After PSM, 99 pairs of two groups were matched successfully. The pregnancy rate of the CHMs group was higher than that of the non-CHMs group [55.56% (55/99) vs. 36.36% (36/99), P<0.05]. The live birth rate of the CHMs group was higher than that of the non-CHMs group [49.49% (49/99) vs. 35.35% (35/99), P<0.05].@*CONCLUSION@#CHMs can effectively improve clinical pregnancy rate and live birth rate of patients with endometriosis in the chronic disease management.


Subject(s)
Pregnancy , Female , Humans , Adult , Pregnancy Outcome , Endometriosis/surgery , Retrospective Studies , Cohort Studies , Adenomyosis , Gonadotropin-Releasing Hormone , Plant Extracts , Fertilization in Vitro
14.
Chinese Journal of Preventive Medicine ; (12): 22-28, 2023.
Article in Chinese | WPRIM | ID: wpr-969838

ABSTRACT

Objective: To analyze the status quo of the knowledge and related factors of cancer prevention and treatment among residents in Liaoning Province in 2021. Methods: From August to November 2021, through network sampling method, 17 474 permanent residents aged 15-69 years in Liaoning Province were surveyed. The WeChat public account was used to collect information such as demographic characteristics and core knowledge of cancer prevention and treatment. The Chi-square test was used to compare the difference of the level of the cancer prevention and treatment knowledge among different groups. The multivariate logistic regression model was used to analyze the related factors. Results: Among the 17 474 subjects, 43.1% (7 528) were male and 58.7% (10 262) were urban residents. The overall awareness rate was 72.3%, and the awareness rate of cancer cognition, prevention, early diagnosis and treatment, cancer management and rehabilitation were 71.4%, 67.6%, 72.7%, 83.4% and 63.5%, respectively. The multivariate logistic regression model showed that the residents who were man (OR: 0.850, 95%CI: 0.781-0.925), in rural areas (OR: 0.753, 95%CI: 0.694-0.817), 55-59 years old (OR: 0.851, 95%CI: 0.751-0.963), quitters (OR: 0.721, 95%CI: 0.640-0.813) and smoker (OR: 0.724, 95%CI: 0.654-0.801) had lower awareness rates, while the residents who were 35-54 years old (OR: 1.312, 95%CI: 1.202-1.432), with an educational level of junior high school/senior high school/college degree or above (OR: 1.834-5.130, 95%CI: 1.575-6.047), technical personnel (OR: 1.592, 95%CI: 1.367-1.854), civil servant/institution staff (OR: 1.282, 95%CI: 1.094-1.503), enterprise/business/service staff (OR: 1.218, 95%CI: 1.071-1.385), retired (OR: 1.324, 95%CI: 1.114-1.573) and with family history of cancer (OR: 1.369, 95%CI: 1.266-1.481) had higher awareness rates. Conclusion: The level of the awareness of core knowledge of cancer prevention and treatment among residents in Liaoning Province has met the requirements of the Healthy China Action. Region, gender, education level, age, family history of cancer and smoking are relevant factors.


Subject(s)
Adult , Female , Humans , Male , Middle Aged , Adolescent , Young Adult , Aged , China , Health Knowledge, Attitudes, Practice , Neoplasms/prevention & control , Surveys and Questionnaires
15.
Chinese Journal of Oncology ; (12): 153-159, 2023.
Article in Chinese | WPRIM | ID: wpr-969818

ABSTRACT

Objective: To analyze clinicopathological features of circumferential superficial esophageal squamous cell carcinoma and precancerous lesions and investigate the risk factors for deep submucosal invasion and angiolymphatic invasion retrospectively. Methods: A total of 116 cases of esophageal squamous epithelial high-grade intraepithelial neoplasia or squamous cell carcinoma diagnosed by gastroscopy, biopsy pathology and endoscopic resection pathology during November 2013 to October 2021 were collected, and their clinicopathological features were analyzed. The independent risk factors of deep submucosal invasion and angiolymphatic invasion were analyzed by logistic regression model. Results: The multivariate logistic regression analysis showed that drinking history (OR=3.090, 95% CI: 1.165-8.200; P<0.05), The AB type of intrapapillary capillary loop (IPCL) (OR=11.215, 95% CI: 3.955-31.797; P<0.05) were the independent risk factors for the depth of invasion. The smoking history (OR=5.824, 95% CI: 1.704-19.899; P<0.05), the presence of avascular area (AVA) (OR=3.393, 95% CI: 1.285-12.072; P<0.05) were the independent factors for the angiolymphatic invasion. Conclusions: The risk of deep submucosal infiltration is greater for circumferential superficial esophageal squamous cell carcinoma patients with drinking history and IPCL type B2-B3 observed by magnifying endoscopy, while the risk of angiolymphatic invasion should be vigilant for circumferential superficial esophageal squamous cell carcinoma patients with smoking history and the presence of AVA observed by magnifying endoscopy. Ultrasound endoscopy combined with narrowband imagingand magnification endoscopy can improve the accuracy of preoperative assessment of the depth of infiltration of superficial squamous cell carcinoma and precancerous lesions and angiolymphaticinvasion in the whole perimeter of the esophagus, and help endoscopists to reasonably grasp the indications for endoscopic treatment.


Subject(s)
Humans , Esophageal Squamous Cell Carcinoma/pathology , Esophageal Neoplasms/pathology , Retrospective Studies , Esophagoscopy , Carcinoma, Squamous Cell/pathology , Precancerous Conditions/surgery , Margins of Excision , Risk Factors
16.
Acta Pharmaceutica Sinica ; (12): 616-628, 2023.
Article in Chinese | WPRIM | ID: wpr-965629

ABSTRACT

From the process of human immunodeficiency virus-1 (HIV-1) invading cells, the combination of gp120 and CD4 is the first step for HIV-1 to invade cells. Interfering with this process can prevent HIV from recognizing target cells and inhibit virus replication. Therefore, HIV-1 gp120 is an important part of the HIV-1 life cycle. Fostesavir, a phosphatate prodrug derived from the gp120 inhibitor BMS-626529 modified by the prodrug strategy, was approved for the treatment of adult patients with multidrug resistant HIV-1 infection by the US FDA and the European Medicines Agency in 2020 and 2021, respectively. In this review, we focus on the research progress of small molecule inhibitors targeting the interaction of gp120-CD4 from the perspective of medicinal chemistry, in order to provide reference for the subsequent research of gp120 inhibitors.

17.
International Eye Science ; (12): 462-465, 2023.
Article in Chinese | WPRIM | ID: wpr-964249

ABSTRACT

AIM: To evaluate the accuracy of SRK/T, Haigis, Barrett Universal II and Wang-Koch modified SRK/T formula in the operation of cataract complicated by super-high myopia.METHODS: A total of 44 cases(52 eyes)with super-high myopia complicated with cataract who underwent phacoemulsification with tension ring implantation combined with intraocular lens implantation in our hospital from January 2020 to June 2021 were collected. SRK/T, Haigis, Barrett Universal Ⅱ formula and Wang-Koch modified SRK/T formula were used to calculate the postoperative reserved diopter before surgery, and the actual diopter was measured by comprehensive optometry at 3mo after surgery. The mean absolute refractive error(MAE)of four formulas was obtained to evaluate the accuracy of the calculation formula.RESULTS: The MAE of SRK/T formula, Haigis formula, Barrett Universal Ⅱ formula and Wang-Koch modified SRK/T formula were 0.86(0.56, 1.20), 0.79(0.56, 1.16), 0.68(0.30, 0.87), 0.65(0.43, 0.75)D, respectively, and MAE of SRK/T formula and Haigis formula were significantly higher than those of Barrett Universal Ⅱ formula and Wang-Koch modified SRK/T formula(P<0.01). According to preoperative corneal curvature(K), enrolled patients were divided into K >46D group(12 eyes), 44D< K ≤46D group(24 eyes), and K ≤44D group(16 eyes). The MAE of SRK/T formula and Haigis formula were significantly higher than those of Barrett Universal Ⅱ formula and Wang-Koch modified SRK/T formula in the three groups(P<0.01). According to preoperative axial length(AL), patients were divided into AL ≤30 mm group(24 eyes)and AL >30mm group(28 eyes). The MAE of SRK/T formula and Haigis formula in two groups were significantly higher than those of Barrett Universal Ⅱ formula and Wang-Koch modified SRK/T formula(P<0.05).CONCLUSIONS: Wang-Koch modified SRK/T formula and Barrett Universal Ⅱ formula are more accurate in predicting the degree of intraocular lens in patients with super-high myopia complicated with cataract.

18.
Chinese Journal of Rehabilitation Theory and Practice ; (12): 77-81, 2023.
Article in Chinese | WPRIM | ID: wpr-961944

ABSTRACT

ObjectiveTo investigate the effect of multimodal mirror therapy on upper limb and hand function in stroke patients. MethodsFrom April, 2021 to August, 2022, 60 stroke patients from the Department of Rehabilitation Medicine of Zhejiang Provincial People's Hospital were randomly divided into group A (n = 20), group B (n = 20) and group C (n = 20). All the patients accepted routine rehabilitation, while group B accepted mirror therapy, and group C accepted multimodal mirror therapy, in addition, for six weeks. They were assessed with Fugl-Meyer Assessment-Upper Extremities (FMA-UE), Upper Extremity Function Test (UEFT) and modified Barthel Index (MBI), while the maximum grip strength and pinch strength of the affected hand were measured. ResultsThe FMA-UE score, UEFT score, maximum hand grip strength and pinch strength, and MBI scores improved in all groups after treatment (|t| > 7.878, P < 0.001), and it was the most in group C (F > 12.563, P < 0.001). ConclusionMultimodal mirror therapy may further improve the upper limb motor function and hand function of stroke patients, as well as the strength of the affected hand and the activities of daily living.

19.
Chinese Medical Sciences Journal ; (4): 109-116, 2023.
Article in English | WPRIM | ID: wpr-981593

ABSTRACT

Objective To investigate the clinical symptoms experienced by patients with thoracic spinal tumors and verify the associated symptoms that are predictive of a decline in muscle strength in the lower limbs. Methods A single-center, retrospective cross-sectional study was conducted on in-patients diagnosed with epidural thoracic spinal tumors between January 2011 and May 2021. The study involved a review of electronic medical records and radiographs and the collection of clinical data. The differences in clinical manifestations between patients with constipation and those without constipation were analyzed. Binary logistic regression analyses were performed to identify risk factors associated with a decline in muscle strength in the lower limbs.Results A total of 227 patients were enrolled, including 131 patients with constipation and 96 without constipation. The constipation group had a significantly higher proportion of patients who experienced difficulty walking or paralysis compared to those without constipation prior to surgery (83.2% vs. 17.7%, χ2 = 99.035,P < 0.001). Constipation (OR = 9.522, 95%CI: 4.150-21.849, P < 0.001) and urinary retention (OR = 14.490, 95%CI: 4.543-46.213, P < 0.001) were independent risk factors for muscle strength decline in the lower limbs. Conclusions The study observed that patients with thoracic spinal tumors who experienced constipation symptoms had a higher incidence of lower limb weakness. Moreover, the analysis revealed that constipation and urinary retention were independent risk factors associated with a preoperative decline in muscle strength of lower limbs.


Subject(s)
Humans , Constipation/etiology , Cross-Sectional Studies , Lower Extremity , Muscle Strength , Retrospective Studies , Spinal Neoplasms , Urinary Retention
20.
Acta Pharmaceutica Sinica ; (12): 1528-1539, 2023.
Article in Chinese | WPRIM | ID: wpr-978716

ABSTRACT

COVID-19 epidemic continues to spread around the world till these days, and it is urgent to develop more safe and effective new drugs. Due to the limited P3 biosafety laboratories for directly screening inhibitors of virulent viruses with high infectivity, it is necessary to develop rapid and efficient screening methods for viral proteases and other related targets. The main protease (Mpro), which plays a key role in the replication cycle of SARS-CoV-2, is highly conserved and has no homologous proteases in humans, making it an ideal target for drug development. From two different levels, namely, molecular level and cellular level, this paper summarizes the reported screening methods of SARS-CoV-2 Mpro inhibitors through a variety of representative examples, expecting to provide references for further development of SARS-CoV-2 Mpro inhibitors.

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