Open Access

MicroRNA‑502‑3p promotes Mycobacterium tuberculosis survival in macrophages by modulating the inflammatory response by targeting ROCK1

  • Authors:
    • Fang Liu
    • Zhen Dong
    • Yuefu Lin
    • Haibo Yang
    • Pingping Wang
    • Yongxia Zhang
  • View Affiliations

  • Published online on: September 1, 2021     https://doi.org/10.3892/mmr.2021.12393
  • Article Number: 753
  • Copyright: © Liu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Tuberculosis (TB) is caused by Mycobacterium tuberculosis (M. tuberculosis) infection and has the highest mortality rate of any single infectious disease worldwide. The aim of the present study was to investigate the function of microRNA (miR)‑502‑3p in M. tuberculosis‑infected macrophages. The Gene Expression Omnibus database was used to analyze miR‑502‑3p expression in patients with TB and healthy individuals. THP‑1 and RAW 264.7 cells were transfected with miR‑502‑3p mimic, miR‑502‑3p inhibitor, pcDNA3.1‑ROCK1 or their negative controls. The expression levels of miR‑502‑3p and inflammatory cytokines were evaluated using reverse transcription‑quantitative PCR. The colony‑forming unit assay was performed to assess the survival of M. tuberculosis in macrophages, and Toll‑like receptor (TLR)4/NF‑κB signaling pathway‑associated protein expression levels were detected by western blotting. The nuclear translocation of NF‑κB p65 was detected via immunocytochemistry. TargetScan was used to predict the binding sites between miR‑502‑3p and ROCK1. The interaction between miR‑502‑3p and Rho‑associated coiled‑coil‑forming protein kinase 1 (ROCK1) was confirmed using a dual‑luciferase reporter assay; ROCK1 was demonstrated to be a direct target gene of miR‑502‑3p. Results from the present study demonstrated that miR‑502‑3p expression was significantly increased during M. tuberculosis infection in macrophages. Upregulation of miR‑502‑3p expression levels significantly enhanced the survival of intracellular M. tuberculosis. IL‑6, TNF‑α, and IL‑1β mRNA expression levels were significantly upregulated during M. tuberculosis infection but were downregulated by miR‑502‑3p overexpression. Moreover, miR‑502‑3p mimics transfection significantly downregulated TLR4/NF‑κB signaling pathway‑associated protein expression and significantly reduced nuclear transcription of NF‑κB in M. tuberculosis‑infected macrophages. ROCK1 overexpression reversed the miR‑502‑3p inhibitory effect on cytokine production in M. tuberculosis‑infected macrophages. In conclusion, miR‑502‑3p/ROCK1 may serve an anti‑inflammatory role and may improve the survival of M. tuberculosis within macrophages, which may provide a promising therapeutic target for TB.

Introduction

Tuberculosis (TB) is caused by the etiological agent Mycobacterium (M.), which primarily affects the lungs (1). TB was responsible for ~1.5 million deaths in 2018 worldwide (2). M. tuberculosis parasitizes the macrophages of the host; it manipulates the host's defenses and consequently the immune response (3). Furthermore, M. tuberculosis can evade innate immunity to survive and replicate inside macrophages (4). Therefore, the development of therapeutics that prevent immune evasion is crucial.

MicroRNAs (miRNAs/miRs) are a class of non-coding RNAs (~22 nucleotides long) that serve a role in silencing target gene expression and are associated with immune signaling pathways (5,6). For example, miR-325-3p promotes M. tuberculosis survival by targeting ligand of numb-protein X1 and increasing the phosphorylation of STAT3 (7). Overexpression of miR-26a was reported to modulate the survival of M. tuberculosis in macrophages (8). miR-125a inactivates NF-κB signaling by targeting TNF receptor associated factor 6, attenuating inflammation and facilitating the survival of M. tuberculosis (9). Although the potential role of several miRNAs in M. tuberculosis infection has been examined, this field requires further investigation.

Rho-associated coiled-coil-forming protein kinase 1 (ROCK1) is a downstream effector of RhoA; it acts as a ‘molecular switch’ in the activation of the monocyte pro-inflammatory response (10). Suppression of ROCK1 expression prevents NF-κB signaling in a variety of inflammatory diseases, such as cervical cancer, and is a hallmark of obstructive sleep apnea syndrome (11,12). A previous study has shown that Toll-like receptor (TLR)4 is involved in the regulation of pulmonary immune responses and recognition of M. tuberculosis (13). NF-κB is a downstream effector of the TLR4 signaling pathway and an important pro-inflammatory factor (14). Numerous inflammatory cytokines, including TNF-α, IL-1β and IL-6, regulate the TLR4/NF-κB pathway (15).

In the present study, upregulated miRNAs in patients with TB were identified using the Gene Expression Omnibus (GEO) datasets, GSE34608 and GSE116542. miR-502-3p was selected for further studies. The aim of the present study was to investigate the function of miR-502-3p in M. tuberculosis-infected macrophages.

Materials and methods

Bioinformatics

The GEO (https://www.ncbi.nlm.nih.gov/geo) database [GSE34608 (PMID: 22547807) and GSE116542] was used to analyze miR-502-3p expression in patients with TB and healthy individuals. In GSE116542, 11 patients with TB (8 men; 3 women; age range, 17–51 years) and 8 healthy individuals (4 men; 4 women; age range, 29–60 years) were collected for exosomal miRNAs extraction. TargetScan 7.2 (http://www.targetscan.org) was used to predict the binding sites between miR-502-3p and ROCK1.

Cell culture

The human leukemia monocytic THP-1 and the mouse macrophage-like RAW 264.7 cell lines were purchased from The Cell Bank of Type Culture Collection of The Chinese Academy of Sciences. Cells were maintained in an incubator (37°C; 5% CO2; 70% relative humidity) in RPMI-1640 medium containing 10% fetal bovine serum (Hyclone; Cytiva).

Transfection

THP-1 and RAW 264.7 cells were plated on 12-well plates at a seeding density of 3×105 cells/well and transfected with miR-502-3p mimic, miR-502-3p inhibitor, pcDNA3.1-ROCK1 (Shanghai GenePharma Co., Ltd.), or their negative controls (NCs), mimic NC, inhibitor NC and pcDNA3.1-NC (50 pg/well) at 37°C for 24 h, using Lipofectamine® 3000 (Invitrogen; Thermo Fisher Scientific, Inc.). At 24 h following transfection, the transfected macrophages were used for other experimental assays. The sequences are listed in Table I.

Table I.

Primer sequences used in transfection.

Table I.

Primer sequences used in transfection.

GenePrimer sequence (5′→3′)
miR-502-3p mimic AAUGCACCUGGGCAAGGAUUCA
Mimic NC UCACAACCUCCUAGAAAGAGUAGA
miR-502-3p inhibitor UGAAUCCUUGCCCAGGUGCAUU
Inhibitor NC UCUACUCUUUCUAGGAGGUUGUGA

[i] miR, microRNA; NC, negative control.

Infection

M. tuberculosis strain H37Rv (cat. no. 25618; American Type Culture Collection) was cultured in Middlebrook 7H9 broth media (Beijing Solarbio Science & Technology Co., Ltd.) containing 10% oleic acid albumin dextrose catalase enrichment (OADC; BD Biosciences) at 37°C. Transfected THP-1 cells were incubated with 100 nM phorbol 12-myristate 13-acetate (PMA; Sigma-Aldrich; Merck KGaA) at 37°C for 48 h until differentiation into human macrophages occurred. Following transfection and PMA-differentiation, THP-1 cells and RAW 264.7 cells (5.0×105) were infected with the M. tuberculosis strain H37Rv at a multiplicity of infection (MOI) of 1, 2, 5 and 10 at 37°C for 48 h. In subsequent experiments, cells were infected with M. tuberculosis H37Rv at 37°C for 3, 6, 12, 24 and 48 h at an MOI of 10.

Reverse transcription-quantitative PCR (RT-qPCR)

Total RNA was extracted from the transfected and infected THP-1 and RAW 264.7 cells using TRIzol® (Invitrogen; Thermo Fisher Scientific, Inc.) according to the manufacturer's protocol. Total RNA (1 µg) was reverse transcribed into cDNA using the M-MLV First Strand Kit (Invitrogen; Thermo Fisher Scientific, Inc.) according to the manufacturer's protocol. qPCR was subsequently performed using the SYBR-Green PCR master mix (Applied Biosystems; Thermo Fisher Scientific, Inc.) in a 7900HT Fast Real-Time PCR System (Applied Biosystems; Thermo Fisher Scientific, Inc.). qPCR was conducted under the following conditions: Initial denaturation at 95°C for 20 sec, followed by 40 cycles of 95°C for 5 sec, 60°C for 30 sec and 72°C for 15 sec. The primers used for qPCR are provided in Table II. For IL-6, TNF-α and IL-1β, β-actin was used as the internal reference gene. Bulge-loop™ miRNA RT-qPCR primer sets specific for miR-502-3p were designed by Guangzhou RiboBio Co., Ltd. For miR-502-3p, U6 was used as the internal control. Relative expression levels were analyzed using the 2−ΔΔCq method (16).

Table II.

Sequences of primers used for reverse transcription-quantitative PCR.

Table II.

Sequences of primers used for reverse transcription-quantitative PCR.

GenePrimer sequence (5′→3′)
miR-502-3pF: ACACTCCAGCTGGGAATGCACCTGGGCAAGG
R: CTCAACTGGTGTCGTGGA
U6F: CTCGCTTCGGCAGCACA
R: AACGCTTCACGAATTTGCGT
IL-6 (human)F: ACAACCACGGCCTTCCCTACT
R: CACGATTTCCCAGAGAACATGTG
IL-6 (mouse)F: GGGCTGCGATGGAGTCAGAG
R: TCCCTCACACAGGGCTCGAC
TNF-α (human)F: GCCTCTTCTCATTCCTGCTTG
R: GGCCATTTGGGAACTTCTCA
TNF-α (mouse)F: TGACCCCCATTACTCTGACC
R: TTCAGCGTCTCGTGTGTTTC
IL-1β (human)F: GTGGCAATGAGGATGACTTGTTC
R: GGTGGTCGGAGATTCGTAGCT
IL-1β (mouse)F: GAGCAACAAGTGGTGTTCTCC
R: AACACGCAGGACAGGTACAG
β-actin (human)F: CATGTACGTTGCTATCCAGGC
R: CTCCTTAATGTCACGCACGAT
β-actin (mouse)F: GTGTGGGCATTTGATGAGCC
R: AGGTCACTTACCTGGTGCCT

[i] F, forward; R, reverse; miR, microRNA.

Colony-forming unit (CFU) assay

Following transfection, cells (3×105 cells/well) were infected with M. tuberculosis (MOI=10) for 48 h and lysed with 0.5% Triton X-100 at 25°C for 20 min. A 10-fold serial dilution method was used for quantitative culture of bacterial colonies. The cell lysate was diluted with Middlebrook 7H9 broth media and added to Middlebrook 7H10 agar plates (Beijing Solarbio Science & Technology Co., Ltd.) supplemented with 10% OADC. Plates were incubated at 37°C for 3 weeks before the colonies were quantified manually. A colony referred to the growth of bacteria on solid medium that could be identified by the naked eye.

Dual-luciferase reporter assay

TargetScan was used to predict the mRNAs that may have a target site of miR-502-3p. Wild-type (WT) and mutant (MUT) ROCK1 3′-untranslated regions (UTRs) were cloned into the firefly luciferase reporter plasmid psi-CHECK2 (Qiagen China Co., Ltd.) to synthesize the ROCK1-WT and ROCK1-Mut reporter plasmids. 293T cells (American Type Culture Collection) at 5×104 cells/well in 24-well plates were co-transfected with WT or Mut ROCK1 3′-UTR reporter plasmids and miR-502-3p mimic or mimic NC using Lipofectamine® 3000 (Invitrogen; Thermo Fisher Scientific, Inc.) at 37°C. After 48 h transfection, luciferase activity was detected using a Dual-Luciferase Reporter Assay System (Promega Corporation), according to the manufacturer's protocol. Renilla luciferase activity was used for normalization.

Western blotting

Total protein was extracted from THP-1 and RAW 264.7 cells (5×105 cells/well) using RIPA lysis buffer (Beyotime Institute of Biotechnology). The protein content was assessed using the BCA method. Total protein (50 µg protein/lane) was separated by SDS-PAGE on a 12% gel. The separated proteins were transferred onto a nitrocellulose membrane (Invitrogen; Thermo Fisher Scientific, Inc.). The membranes were blocked using 5% skimmed milk for 2 h at 25°C. The membranes were incubated with primary antibodies against the following: ROCK1 (1:1,000; cat. no. 4035), TLR4 (1:1,000; cat. no. 14358; Cell Signaling Technology, Inc.; cat. no. ab13556, Abcam), phosphorylated (p)-p65 (1:1,000; cat. no. 3033; Cell Signaling Technology, Inc.), p65 (1:1,000; cat. no. 8242; Cell Signaling Technology, Inc.), p-IκBα (1:1,000; cat. no. 2859; Cell Signaling Technology, Inc.), IκBα (1,000; cat. no. 4812; Cell Signaling Technology, Inc.) and β-actin (1:2,000; cat. no. 4970; Cell Signaling Technology, Inc.) overnight at 4°C. Following three washes of 5 min each with TBS-0.1% Tween-20, the membranes were incubated with HRP-conjugated anti-rabbit secondary antibodies (1:3,000; cat. no. A0208; Beyotime Institute of Biotechnology) at 25°C for 1 h. Protein bands were visualized using an ECL reagent (Beyotime Institute of Biotechnology) and a gel imaging system (Tanon Science & Technology Co., Ltd.). Protein bands were semi-quantified using ImageJ software v1.8.0 (National Institutes of Health). β-actin was used as the loading control.

Immunocytochemistry

THP-1 and RAW 264.7 cells (5×104) were fixed in 24-well plates using 4% paraformaldehyde at 25°C for 30 min (Beyotime Institute of Biotechnology), permeabilized using 0.3% Triton X-100 at 25°C for 20 min and blocked with 5% goat serum (Gibco; Thermo Fisher Scientific, Inc.) at 25°C for 30 min. Cells were incubated with primary antibody against p-p65 (1:1,600; cat. no. 3033; Cell Signaling Technology, Inc.) overnight at 4°C. Cells were subsequently incubated with Alexa Fluor 594-conjugated goat anti-rabbit IgG secondary antibody (1:500; cat. no. ab150080; Abcam) for 1 h in the dark at room temperature. Cell nuclei were stained using DAPI (Beyotime Institute of Biotechnology) at 25°C for 30 min. Images were captured using a BX51 fluorescence microscope (Olympus Corporation).

Statistical analysis

All presented data were obtained from at least three independent experiments. Data are shown as the mean ± SD. Statistical comparisons between two groups were determined by Student's unpaired t-test, whereas comparisons between multiple groups were determined using one-way ANOVA followed by Tukey's post-hoc test. P<0.05 was considered to indicate a statistically significant difference.

Results

M. tuberculosis infection induces miR-502-3p expression in patients with TB

miRNAs with markedly high expression levels in TB compared with the healthy control group were selected by analyzing the GSE34608 and GSE116542 datasets from the GEO database. A total of seven miRNAs were identified as being the same between the datasets (Fig. 1A). The current study aimed to investigated ROCK1 in TB. TargetScan predicted the binding sites between miR-502-3p and ROCK1. Thus, miR-502-3p was chosen from the seven miRNAs. miR-502-3p expression levels were significantly elevated in patients with TB compared with healthy individuals in the GSE116542 database (Fig. 1B). miR-502-3p expression levels in M. tuberculosis-infected macrophages increased in a time and dose-dependent manner (Fig. 1C and D). The expression level of miR-502-3p in macrophages at 48 h post-infection was >3-fold higher than that in uninfected control (Fig. 1C). Moreover, there was a ~3-fold increase in miR-502-3p expression in macrophages cells at a MOI of 10 for 48 h compared with uninfected cells (Fig. 1D). Macrophages infected with M. tuberculosis at an MOI of 10 for 48 h were used for subsequent experiments.

miR-502-3p facilitates M. tuberculosis survival in macrophages

To further determine the potential role of miR-502-3p in the cellular immune response during M. tuberculosis infection, THP-1 and RAW 264.7 cells were transfected with either miR-502-3p mimic or inhibitor. miR-502-3p expression levels significantly increased following miR-502-3p mimic transfection compared with mimic NC, and significantly decreased following miR-502-3p inhibitor transfection compared with inhibitor NC (Fig. 2A). The CFU assay demonstrated that miR-502-3p mimic transfection significantly increased the survival of M. tuberculosis from infected macrophages compared with mimic NC, whereas inhibition of miR-502-3p significantly reduced the intracellular growth of M. tuberculosis compared with inhibitor NC (Fig. 2B). The high number of M. tuberculosis colonies means that the phagocytosis of macrophages to M. tuberculosis is weakened and the survival of macrophages is reduced.

miR-502-3p suppresses cytokine production in M. tuberculosis-infected macrophages

M. tuberculosis infection promotes macrophages to produce cytokines (17). The effects of miR-502-3p on cytokines in M. tuberculosis-infected THP-1 and RAW 264.7 cells were investigated. The mRNA expression levels of IL-6, TNF-α and IL-1β were significantly induced in M. tuberculosis-infected macrophages. The mRNA expression levels of IL-6, TNF-α and IL-1β, were significantly reduced in M. tuberculosis-infected macrophages transfected with miR-502-3p mimic, compared with the M. tuberculosis-infected only group. Moreover, downregulation of miR-502-3p significantly increased the expression of IL-6, TNF-α and IL-1β, in M. tuberculosis-infected macrophages compared with the M. tuberculosis-infected only group (Fig. 3).

miR-502-3p directly targets ROCK1

Using TargetScan, ROCK1 was predicted to have a potential miR-502-3p target site in its 3′UTR (Fig. 4A). miR-502-3p mimic transfection significantly suppressed luciferase activity in 293T cells containing the ROCK1-WT vector compared with mimic NC, whereas no change in luciferase activity was observed in cells transfected with the ROCK1-Mut vector (Fig. 4B). Western blotting demonstrated that the protein expression levels of ROCK1 were significantly increased in M. tuberculosis-infected macrophages compared with the control. Compared with the M. tuberculosis-infected only group, overexpression of miR-502-3p significantly decreased ROCK1 protein expression levels, whereas knockdown of miR-502-3p significantly increased ROCK1 protein expression levels (Fig. 4C).

miR-502-3p regulates the TLR4/NF-κB signaling pathway in M. tuberculosis-infected macrophages

A previous study has shown that TLR-4/miR-125a/NF-κB signaling modulates the immune response to M. tuberculosis infection (9). To determine the mechanism by which miR-502-3p promoted M. tuberculosis survival in macrophages, the TLR4/NF-κB signaling pathway was examined. TLR4, p65 phosphorylation and IκBα phosphorylation were significantly increased in M. tuberculosis-infected THP-1 and RAW 264.7 cells. However, TLR4, p65 phosphorylation and IκBα phosphorylation were significantly reduced in M. tuberculosis-infected THP-1 and RAW 264.7 cells transfected with miR-502-3p mimic compared with the M. tuberculosis-infected only group. Moreover, the downregulation of miR-502-3p expression significantly increased TLR4 levels and the phosphorylation of p65 and IκBα compared with the M. tuberculosis-infected only group (Fig. 5). Furthermore, compared with M. tuberculosis-infected only group, the expression level of p-p65 in nucleus was significantly reduced by miR-502-3p overexpression and significantly induced by miR-502-3p inhibition (Fig. 6).

ROCK1 overexpression reverses the miR-502-3p inhibitory effect on cytokine production in M. tuberculosis-infected macrophages

The effect of ROCK1 overexpression on cytokine production in miR-502-3p-overexpressing macrophages was investigated. ROCK1 overexpression was successfully achieved by transfecting THP-1 and RAW 264.7 cells with pcDNA3.1-ROCK1 (Fig. 7A). IL-6, TNF-α and IL-1β mRNA expression levels were increased in M. tuberculosis-infected THP-1 and RAW 264.7 cells. The miR-502-3p mimic increased and overexpression of ROCK1 decreased IL-6, TNF-α and IL-1β mRNA expression in M. tuberculosis-infected THP-1 and RAW 264.7 cells. Overexpression of ROCK1 partially markedly reversed the inhibitory effects of miR-502-3p mimic on IL-6, TNF-α and IL-1β levels in M. tuberculosis-infected THP-1 and RAW 264.7 cells compared with the M. tuberculosis + miR-502-3p mimic group (Fig. 7B-D).

Discussion

miRNAs have been reported to serve important roles in the host response to intracellular M. tuberculosis (1820). For example, increased miR-20a-3p expression was shown to regulate the host immune response to promote the growth of M. tuberculosis in human macrophages (21). In the present study, miR-502-3p expression was significantly upregulated in M. tuberculosis-infected THP-1 and RAW 264.7 cells. Furthermore, miR-502-3p overexpression significantly reduced the mRNA expression levels of inflammatory cytokines and the activation of NF-κB signaling through the targeting of ROCK1. miR-502-3p also serves a role in carcinomatosis, is associated with inflammation and its expression is significantly decreased following the buildup phase of venom immunotherapy (2224). However, the role of miR-502-3p in the modulation of immune responses has not been extensively investigated.

The production of inflammatory cytokines by macrophages is regarded as a bactericidal pathway for M. tuberculosis infection (25). However, M. tuberculosis is able to resist these antimicrobial activities by establishing a niche for survival in macrophages (26). Previous studies have determined that miRNAs inhibit the expression of pro-inflammatory cytokines to generate niches favorable for mycobacterial survival (9,27,28). In the present study, it was considered that the detection of mRNA changes was more direct and convenient to reflect the level of inflammatory factors. The current study demonstrated that miR-502-3p overexpression significantly reduced pro-inflammatory cytokine mRNA expression levels and promoted mycobacterial intracellular survival.

Furthermore, previous studies have demonstrated that the association between miRNAs and mRNAs serves an important role during M. tuberculosis infection. For example, miR-21-5p enhances mycobacterial survival and weakens inflammatory responses by targeting Bcl-2 and TLR4 (29). miR-144 regulates inflammatory cytokine secretion and ERK signaling by targeting tumor progression locus 2 in M. tuberculosis-infected macrophages (30). In the present study, miR-502-3p overexpression promoted mycobacterial survival in macrophages by directly targeting ROCK1 to evade the immune response via the ROCK1/TLR4/NF-κB pathway, suggesting that miR-502-3p may have a similar function as miR-21-5 during M. tuberculosis infection. Inhibition of ROCK1 alleviates lipopolysaccharide-induced inflammatory cytokine production and suppresses TLR4/NF-κB and ERK signaling pathways in corneal epithelial cells (31). Furthermore, it has been demonstrated that an M. tuberculosis nucleoside diphosphate kinase stimulates GTPase activity of RhoA, RacI and cell division control protein 42 (32). Therefore, the RhoA/ROCK signaling pathway may be important for M. tuberculosis-induced inflammatory responses. The regulatory function of miRNAs through TLRs and the NF-κB signaling pathway in M. tuberculosis infection has also recently been studied. For example, miR-148a inhibits TLR4-mediated NF-κB activation in response to mycobacterial infection (33). The present study demonstrated that miR-502-3p regulated the host immune response to M. tuberculosis by directly targeting ROCK1 to possibly attenuate TLR4-mediated NF-κB signaling pathway activation and consequent immune responses.

In conclusion, miR-502-3p promoted M. tuberculosis survival in macrophages and reduced pro-inflammatory cytokine release in M. tuberculosis-infected macrophages by targeting the ROCK1/TLR4/NF-κB pathway. The expression levels of inflammatory cytokines were determined only via RT-qPCR, and the levels of these inflammatory factors were not assessed using ELISA. These results have provided the foundations for the future development of TB therapeutics.

Acknowledgements

Not applicable.

Funding

No funding was received.

Availability of data and materials

The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.

Authors' contributions

FL, YZ and ZD designed the study. YL, HY and PW performed the research and analyzed the data. FL and ZD confirmed the authenticity of all the raw data. YZ and PW wrote the paper and FL and ZD reviewed the article. All authors approved the final version of the manuscript.

Ethics approval and consent to participate

Not applicable.

Patient consent for publication

Not applicable.

Competing interests

The authors declare that they have no competing interests.

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November-2021
Volume 24 Issue 5

Print ISSN: 1791-2997
Online ISSN:1791-3004

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Copy and paste a formatted citation
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Spandidos Publications style
Liu F, Dong Z, Lin Y, Yang H, Wang P and Zhang Y: MicroRNA‑502‑3p promotes <em>Mycobacterium tuberculosis</em> survival in macrophages by modulating the inflammatory response by targeting ROCK1. Mol Med Rep 24: 753, 2021.
APA
Liu, F., Dong, Z., Lin, Y., Yang, H., Wang, P., & Zhang, Y. (2021). MicroRNA‑502‑3p promotes <em>Mycobacterium tuberculosis</em> survival in macrophages by modulating the inflammatory response by targeting ROCK1. Molecular Medicine Reports, 24, 753. https://doi.org/10.3892/mmr.2021.12393
MLA
Liu, F., Dong, Z., Lin, Y., Yang, H., Wang, P., Zhang, Y."MicroRNA‑502‑3p promotes <em>Mycobacterium tuberculosis</em> survival in macrophages by modulating the inflammatory response by targeting ROCK1". Molecular Medicine Reports 24.5 (2021): 753.
Chicago
Liu, F., Dong, Z., Lin, Y., Yang, H., Wang, P., Zhang, Y."MicroRNA‑502‑3p promotes <em>Mycobacterium tuberculosis</em> survival in macrophages by modulating the inflammatory response by targeting ROCK1". Molecular Medicine Reports 24, no. 5 (2021): 753. https://doi.org/10.3892/mmr.2021.12393