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1.
J Med Virol ; 96(1): e29338, 2024 01.
Artículo en Inglés | MEDLINE | ID: mdl-38163280

RESUMEN

Monkeypox (mpox), a viral zoonotic disease, is spreading worldwide. However, evidence that informs prevention and control strategies in the Asia Pacific Region is very limited. Our study aims to investigate the experiences of mpox patients from infection to treatment to provide scientific basis for the prevention and control. A multicenter qualitative design was used. A total of 15 mpox patients were recruited between July 6 and July 25, 2023, from six cities in China. Semistructured interviews were conducted by telephone and analyzed using the thematic analysis. The interview was divided into two sections: patients' experiences (prediagnosis experience, treatment-seeking experience, and quarantine experience) and advice. Prediagnosis experience was summarized into three themes: symptoms, possible routes of infection, and knowledge of mpox. Treatment-seeking experience was summarized into three themes: time of visit to hospital, diagnostic difficulties, and attitude toward diagnosis. Quarantine experience was summarized into three themes: body and mind reactions, reluctance to self-disclose infection status, and factors facilitating recovery. Themes identified from patients' advice were as follows: (1) Increase in testing channels and methods, (2) Development and introduction of vaccines, (3) Adjustment of quarantine program, (4) Improvement of treatment measures, and (5) Improvement of publicity and education. To effectively curb the mpox epidemic, structured measures are urgently needed to address the mpox-related stigma and discrimination. Targeted health education should be provided to MSM, focusing on the prevention, detection, and treatment services. Hospitals should enhance the training of clinicians in key departments including infectious disease and dermatology, to improve diagnostic capability and sensitivity. Furthermore, given the absence of specific antiviral medications, supervised home quarantine may be a good option.


Asunto(s)
Mpox , Humanos , China/epidemiología , Asia , Antivirales , Ciudades
2.
J Med Virol ; 95(2): e28567, 2023 02.
Artículo en Inglés | MEDLINE | ID: mdl-36786385

RESUMEN

Men who have sex with men (MSM) have been recommended for targeted monkeypox vaccination. We aimed to investigate monkeypox awareness and explore the correlates of monkeypox vaccination hesitancy among MSM in China. We conducted a cross-sectional survey from August 10 to September 9, 2022. Awareness related to monkeypox and attitude toward monkeypox vaccination among MSM aged ≥18 years were collected. Multivariable logistic regression was applied to evaluate correlates of vaccination hesitancy. The discrepancy in awareness between subgroups regarding HIV status was assessed. A total of 1090 MSM were included (age: median 30 years, interquartile range [IQR], 25-35; HIV-infected: 53.12%). Only 13.85% of respondents expressed high monkeypox vaccination hesitancy. Hesitancy was associated with no fixed income (adjuster odds ratio [aOR], 2.46, 95% confidence interval [CI], 1.48-4.11), infrequent information following (sometimes, 3.01, 1.55-5.83; seldom or never, 5.66, 2.58-12.45), and lack of worries about monkeypox endemic (1.78, 1.11-2.87). Participants who believed that HIV-infected cases accounted for a smaller proportion (1.62, 1.01-2.60), disagreed that monkeypox virus could be detected in semen (2.21, 1.26-3.88), and considered either replication-competent (1.84, 1.14-2.96) or replication-deficient (4.80, 2.26-10.21) monkeypox vaccine unsuitable for HIV-infected people were generally more hesitant. Compared with HIV-uninfected MSM, HIV-infected MSM supported more for vaccination promotion. MSM in China had low hesitancy toward monkeypox vaccination. Safety and affordability of vaccine and availability of information were essential aspects to reduce hesitancy. Education on vaccination benefits should be encouraged to promote future vaccination plans.


Asunto(s)
Infecciones por VIH , Mpox , Minorías Sexuales y de Género , Vacuna contra Viruela , Masculino , Humanos , Adolescente , Adulto , Homosexualidad Masculina , Estudios Transversales , Vacilación a la Vacunación , Vacunación , China/epidemiología
3.
J Med Virol ; 95(10): e29198, 2023 10.
Artículo en Inglés | MEDLINE | ID: mdl-37881113

RESUMEN

Human mpox is occurring worldwide, however, evidence from the Asian Pacific Region is limited. In this multicenter cross-sectional study, information of confirmed mpox cases diagnosed between June 1 and July 31, 2023 in China. Information included demographic and epidemiological characteristics, and clinical manifestations, laboratory results, and mental health status of mpox cases. A total of 115 confirmed mpox cases were enrolled. All cases were men. A total of 102 (90.3%) identified as homosexual. The median age was 31.0 years (interquartile range 27.0-36.5). A total of 65 (56.5%) were HIV-positive, of whom 92.3% were receiving antiretroviral therapy (ART). A total of 19/39 (40.4%) had a CD4 cell count <500 cells/µL. Systemic features such as fever (73.0%), lymphadenopathies (49.6%), and myalgia (28.7%) were commonly observed. Skin lesions were present in all participants: 49.6% in the genital area and 27.0% in the perianal area. Vesicular rash (78.3%) and papular rash (44.3%) were the most common lesion morphologies. People living with HIV were more likely to have anxiety than those living without HIV. The majority of mpox cases had primary genital lesions and sexual activities before diagnosis, which supports the likelihood of sexual contact transmission. Guidelines on hospitalization and isolation protocols for mpox patients necessitate further confirmation.


Asunto(s)
Exantema , Infecciones por VIH , Mpox , Adulto , Humanos , Masculino , China/epidemiología , Estudios Transversales , Estado de Salud , Infecciones por VIH/tratamiento farmacológico , Infecciones por VIH/epidemiología
4.
Sex Health ; 20(4): 315-322, 2023 08.
Artículo en Inglés | MEDLINE | ID: mdl-37121601

RESUMEN

BACKGROUND: Factory workers are a key population for HIV transmission in China, as they often engage in sexual risk behaviours. This study aims to evaluate sexual risk behaviours and associated factors among factory workers in Shenzhen, China. METHODS: A cross-sectional study was conducted by using multi-stage stratified cluster random sampling. Full-time workers aged ≥18years were eligible to participate in the study. A self-administered questionnaire was used to collect information. Univariate and multivariable logistic regression were applied to assess factors associated with sexual risk behaviours. RESULTS: A total of 2029 factory workers were included. Mean age was 37.2 (±4.4)years; 48.5% were men. Two-thirds (64.9%) had had vaginal intercourse. Their sexual risk behaviours included condomless sex with casual partners in the last sex episode (23.6%), multiple sex partners (11.5%) and engaging in commercial sex (8.4%), in the past year. Having HIV/AIDS knowledge (adjusted odds ratio (AOR) 0.41, 95% confidence interval (CI) 0.24-0.70) and using a condom at sexual debut (AOR 0.08, 95% CI 0.05-0.13) were factors associated with condomless sex with casual partners in the last sex episode. Males (AOR 3.03, 95% CI 1.96-4.69 and AOR 2.19, 95% CI 1.33-3.60), local workers (AOR 2.11, 95% CI 1.01-4.42 and AOR 3.42, 95% CI 1.63-7.21), being single (AOR 2.04, 95% CI 1.39-3.01 and AOR 2.49, 95% CI 1.61-3.87), having sexual debut aged Conclusions : Sexual risk behaviours were prevalent despite most participants having basic HIV/AIDS knowledge. Future workplace-based prevention programs should target factory workers and there should be a focus on enhanced sexual education to reduce HIV transmission in China.


Asunto(s)
Síndrome de Inmunodeficiencia Adquirida , Infecciones por VIH , Masculino , Femenino , Humanos , Adulto , Trabajo Sexual , Estudios Transversales , Infecciones por VIH/epidemiología , Infecciones por VIH/prevención & control , Conducta Sexual , Parejas Sexuales , Condones , Asunción de Riesgos , China/epidemiología
5.
AIDS Care ; 34(3): 371-378, 2022 03.
Artículo en Inglés | MEDLINE | ID: mdl-33908841

RESUMEN

Recent evidence shows that circumcision is associated with lower HIV prevalence among MSM. We assessed the acceptability of circumcision for preventing HIV and that of Shang Ring circumcision (SRC) among men who have sex with men (MSM) in China. 538 adult MSM were recruited from six cities in China between January and March 2019. Participants were surveyed by an online, self-administered questionnaire. The acceptability of circumcision was assessed before and after the potential protective effect of circumcision against HIV was informed, and subsequently men's willingness to undergo SRC was assessed. The level of circumcision was 16.4%. Of 450 uncircumcised MSM, their willingness to be circumcised in the following six months increased significantly from 32.2% to 55.6% after the information session. Three quarters of men who were willing to undergo circumcision accepted SRC. MSM who perceived that circumcision could maintain genital hygiene were more likely to accept circumcision after the information session, whereas those who regarded circumcision as an embarrassing surgery were disinclined to be circumcised. The low circumcision rate, along with its high acceptability in Chinese MSM, suggests a great potential benefit of circumcision intervention if proved effective. SRC might be a popular circumcision procedure in this population.


Asunto(s)
Circuncisión Masculina , Infecciones por VIH , Minorías Sexuales y de Género , Adulto , Infecciones por VIH/epidemiología , Infecciones por VIH/prevención & control , Homosexualidad Masculina , Humanos , Masculino , Encuestas y Cuestionarios
6.
Sex Health ; 19(3): 172-181, 2022 06.
Artículo en Inglés | MEDLINE | ID: mdl-35672030

RESUMEN

BACKGROUND: Disclosure of sexual orientation to others (outness) might be associated with sexual and mental health among gay and bisexual men (GBM) attending university. We aimed to characterise outness and investigate factors correlated with outness among GBM attending university in China. METHODS: Between September 2018 and March 2019, GBM attending university were recruited in six cities in China. Information on sociodemographic characteristics, outness and sexual behaviours were collected using a self-administered questionnaire. Each participant was tested for HIV/STIs. Correlates of outness were assessed using multivariable logistic regression. RESULTS: A total of 400 GBM attending university were recruited, of whom 251 (62.8%) had disclosed their sexual orientation. Men who served as student leaders (adjusted odds ratio [AOR]=2.28, 95% CI: 1.46-3.54) and donated blood (AOR 1.85, 95% CI: 1.05-3.24) were more likely to disclose their sexual orientation, whereas men who had sex with a female (AOR 0.19, 95% CI: 0.05-0.74) and had group sex (AOR 0.52, 95% CI: 0.30-0.89) were less likely to disclose their sexual orientation. Mental health status, HIV/STI infections were not associated with outness. CONCLUSIONS: GBM attending university who disclosed their sexual orientation were more likely to be involved with student work and less likely to engage in high-risk sexual behaviours. More attention and education could focus on non-disclosing GBM men attending university through peer education or other ways.


Asunto(s)
Infecciones por VIH , Minorías Sexuales y de Género , Enfermedades de Transmisión Sexual , China/epidemiología , Estudios Transversales , Femenino , Infecciones por VIH/epidemiología , Homosexualidad Masculina/psicología , Humanos , Masculino , Conducta Sexual , Universidades
7.
Psychol Health Med ; : 1-13, 2022 Sep 19.
Artículo en Inglés | MEDLINE | ID: mdl-36124362

RESUMEN

Non-occupational post-exposure prophylaxis (nPEP) is recommended to reduce the likelihood of HIV infection after potential exposure. However, little is known about this practice among Chinese gay, bisexual and other men who have sex with men (GBM). GBM were enrolled from both centers for disease prevention and control (CDCs) and community health centers in six cities in China. Multivariable logistics regression was used to assess factors associated with awareness of and willingness to use nPEP. A total of 516 eligible GBM were included, 67.2% of whom were aware of nPEP, 76.0% were willing to use nPEP, and 2.3% had ever used nPEP. GBM who had college or higher education, had disclosed sexual orientation, had increased number of male sex partners in the last 6 months, and had ever tested for HIV were more likely to be aware of nPEP. Willingness to use nPEP was significantly associated with college or higher education, STI history, gay app use, and awareness of nPEP prior to study. Uptake of nPEP is still low among MSM in China. Efforts are needed to improve awareness of and access to nPEP among GBM, especially those at higher risk of HIV infection.

8.
J Nanobiotechnology ; 19(1): 173, 2021 Jun 10.
Artículo en Inglés | MEDLINE | ID: mdl-34112203

RESUMEN

BACKGROUND: The worldwide pandemic of COVID-19 remains a serious public health menace as the lack of efficacious treatments. Cytokine storm syndrome (CSS) characterized with elevated inflammation and multi-organs failure is closely correlated with the bad outcome of COVID-19. Hence, inhibit the process of CSS by controlling excessive inflammation is considered one of the most promising ways for COVID-19 treatment. RESULTS: Here, we developed a biomimetic nanocarrier based drug delivery system against COVID-19 via anti-inflammation and antiviral treatment simultaneously. Firstly, lopinavir (LPV) as model antiviral drug was loaded in the polymeric nanoparticles (PLGA-LPV NPs). Afterwards, macrophage membranes were coated on the PLGA-LPV NPs to constitute drugs loaded macrophage biomimetic nanocarriers (PLGA-LPV@M). In the study, PLGA-LPV@M could neutralize multiple proinflammatory cytokines and effectively suppress the activation of macrophages and neutrophils. Furthermore, the formation of NETs induced by COVID-19 patients serum could be reduced by PLGA-LPV@M as well. In a mouse model of coronavirus infection, PLGA-LPV@M exhibited significant targeted ability to inflammation sites, and superior therapeutic efficacy in inflammation alleviation and tissues viral loads reduction. CONCLUSION: Collectively, such macrophage biomimetic nanocarriers based drug delivery system showed favorable anti-inflammation and targeted antiviral effects, which may possess a comprehensive therapeutic value in COVID-19 treatment.


Asunto(s)
Antiinflamatorios/farmacología , Antivirales/farmacología , Biomimética , Tratamiento Farmacológico de COVID-19 , Síndrome de Liberación de Citoquinas/prevención & control , Portadores de Fármacos , Inflamación/prevención & control , Nanopartículas , SARS-CoV-2/efectos de los fármacos , COVID-19/virología , Síndrome de Liberación de Citoquinas/etiología , Humanos , Inflamación/complicaciones , SARS-CoV-2/aislamiento & purificación
9.
J Nanobiotechnology ; 19(1): 391, 2021 Nov 25.
Artículo en Inglés | MEDLINE | ID: mdl-34823562

RESUMEN

BACKGROUND: Considering the threat of the COVID-19 pandemic, caused by SARS-CoV-2, there is an urgent need to develop effective treatments. At present, neutralizing antibodies and small-molecule drugs such as remdesivir, the most promising compound to treat this infection, have attracted considerable attention. However, some potential problems need to be concerned including viral resistance to antibody-mediated neutralization caused by selective pressure from a single antibody treatment, the unexpected antibody-dependent enhancement (ADE) effect, and the toxic effect of small-molecule drugs. RESULTS: Here, we constructed a type of programmed nanovesicle (NV) derived from bispecific CAR-T cells that express two single-chain fragment variables (scFv), named CR3022 and B38, to target SARS-CoV-2. Nanovesicles that express both CR3022 and B38 (CR3022/B38 NVs) have a stronger ability to neutralize Spike-pseudovirus infectivity than nanovesicles that express either CR3022 or B38 alone. Notably, the co-expression of CR3022 and B38, which target different epitopes of spike protein, could reduce the incidence of viral resistance. Moreover, the lack of Fc fragments on the surface of CR3022/B38 NVs could prevent ADE effects. Furthermore, the specific binding ability to SARS-CoV-2 spike protein and the drug loading capacity of CR3022/B38 NVs can facilitate targeted delivery of remdesiver to 293 T cells overexpressing spike protein. These results suggest that CR3022/B38 NVs have the potential ability to target antiviral drugs to the main site of viral infection, thereby enhancing the antiviral ability by inhibiting intracellular viral replication and reducing adverse drug reactions. CONCLUSIONS: In summary, we demonstrate that nanovesicles derived from CAR-T cells targeting the spike protein of SARS-COV-2 have the ability to neutralize Spike-pseudotyped virus and target antiviral drugs. This novel therapeutic approach may help to solve the dilemma faced by neutralizing antibodies and small-molecule drugs in the treatment of COVID-19.


Asunto(s)
COVID-19/metabolismo , Glicoproteína de la Espiga del Coronavirus/metabolismo , Anticuerpos Antivirales/inmunología , Anticuerpos Antivirales/metabolismo , Antivirales/uso terapéutico , COVID-19/inmunología , Humanos , Modelos Teóricos
10.
BMC Public Health ; 20(1): 1310, 2020 Aug 28.
Artículo en Inglés | MEDLINE | ID: mdl-32859178

RESUMEN

BACKGROUND: Factory workers in low- and middle-income countries (LMICs) are vulnerable to HIV transmission. Interventions are needed to prevent HIV in this population. We systematically reviewed published literature on the efficacy of various HIV interventions in reducing stigma, risk behaviors and HIV transmission among factory workers. METHODS: A systematic review was performed using predefined inclusion and exclusion criteria. Four databases (PubMed, PsycINFO, Scopus and EMBASE) were searched for relevant publications between January 1, 1990 and December 31, 2018. Two independent reviewers assessed the methodological quality of studies. RESULTS: Thirteen articles were included, with 2 randomized controlled trials and 11 cohort studies. Five interventions and their combinations were summarized. Educational intervention increased condom use and reduced the use of recreational drugs and alcohol before sex. Community intervention that proactively provide HIV counselling and testing (HCT) services could increase the detection rate of HIV and other sexually transmitted diseases (STDs). Lottery intervention increased HCT uptake and decreased HIV public stigma. Education combined with community intervention reduced the proportion of workers with casual sex and enhanced HIV knowledge. Peer education combined with community intervention increased the proportion of workers who were willing to take their partners to HCT. Policy intervention combined with peer education enhanced HIV knowledge, perceived condom accessibility and condom use with regular partners. CONCLUSIONS: Various interventions improved HIV knowledge, decreased HIV stigma and reduced HIV-related risk behaviors among factory workers in LMICs. The combination of multiple interventions tended to achieve better efficacy than a single intervention. Persistent combination interventions are essential to address HIV in this population.


Asunto(s)
Países en Desarrollo , Infecciones por VIH/prevención & control , Instalaciones Industriales y de Fabricación , Salud Laboral , Estudios de Cohortes , Humanos , Evaluación de Programas y Proyectos de Salud , Ensayos Clínicos Controlados Aleatorios como Asunto
11.
Sex Health ; 17(5): 437-443, 2020 11.
Artículo en Inglés | MEDLINE | ID: mdl-33497599

RESUMEN

Background Rectal douching, which is a common practice among men who have sex men (MSM) as a preparation for anal sex, may potentially increase the risk of HIV infection. However, little is known about the practice of rectal douching among Chinese MSM. This study investigated the characteristics of rectal douching and factors associated with rectal douching. METHODS: Between January and March 2019, MSM aged ≥18 years in six cities in China were recruited to the study. Participants were asked to complete a self-administered online questionnaire. Chi-squared tests and multivariable logistic regression were used to examine factors associated with rectal douching by calculating odds ratios (ORs) and 95% confidence intervals (CIs). RESULTS: Of 485 MSM in this study, 278 (57.3%) practiced rectal douching in the preceding 6 months. The most common reasons for douching before and after anal sex were hygiene/cleanliness (78.6% and 66.1% respectively) and HIV/STI prevention (8.5% and 17.4% respectively). The most used enemas and equipment before and after anal sex were tap water (73.5% and 70.2% respectively) and showerhead hoses (76.1% and 75.2% respectively). Men who engaged in both insertive and receptive anal sex (OR 8.84; 95% CI 4.52-17.30), exclusively receptive anal sex (OR 6.56; 95% CI 3.55-12.13), condom-less anal intercourse (OR 1.64; 95% CI 1.03-2.63) and anal sex after alcohol use (OR 1.54; 95% CI 1.00-2.35) were more likely to perform douching. CONCLUSION: Rectal douching is common in MSM, some of whom may not realise the potential risks associated with douching. The co-occurrence of douching and other high-risk behaviours would make MSM more vulnerable to HIV. Health education aimed at informing MSM of the potential risks and addressing the high prevalence of douching are urgently needed.


Asunto(s)
Homosexualidad Masculina , Recto , Minorías Sexuales y de Género/estadística & datos numéricos , Irrigación Terapéutica/estadística & datos numéricos , Adolescente , Adulto , China , Ciudades , Estudios Transversales , Humanos , Masculino , Persona de Mediana Edad , Prevalencia , Adulto Joven
12.
Mol Cancer ; 18(1): 101, 2019 05 24.
Artículo en Inglés | MEDLINE | ID: mdl-31126310

RESUMEN

Autophagy is a highly conserved catabolic process that mediates degradation of pernicious or dysfunctional cellular components, such as invasive pathogens, senescent proteins, and organelles. It can promote or suppress tumor development, so it is a "double-edged sword" in tumors that depends on the cell and tissue types and the stages of tumor. The epithelial-mesenchymal transition (EMT) is a complex biological trans-differentiation process that allows epithelial cells to transiently obtain mesenchymal features, including motility and metastatic potential. EMT is considered as an important contributor to the invasion and metastasis of cancers. Thus, clarifying the crosstalk between autophagy and EMT will provide novel targets for cancer therapy. It was reported that EMT-related signal pathways have an impact on autophagy; conversely, autophagy activation can suppress or strengthen EMT by regulating various signaling pathways. On one hand, autophagy activation provides energy and basic nutrients for EMT during metastatic spreading, which assists cells to survive in stressful environmental and intracellular conditions. On the other hand, autophagy, acting as a cancer-suppressive function, is inclined to hinder metastasis by selectively down-regulating critical transcription factors of EMT in the early phases. Therefore, the inhibition of EMT by autophagy inhibitors or activators might be a novel strategy that provides thought and enlightenment for the treatment of cancer. In this article, we discuss in detail the role of autophagy and EMT in the development of cancers, the regulatory mechanisms between autophagy and EMT, the effects of autophagy inhibition or activation on EMT, and the potential applications in anticancer therapy.


Asunto(s)
Antineoplásicos/farmacología , Autofagia , Neoplasias/metabolismo , Antineoplásicos/uso terapéutico , Autofagia/efectos de los fármacos , Transición Epitelial-Mesenquimal/efectos de los fármacos , Redes Reguladoras de Genes/efectos de los fármacos , Humanos , Terapia Molecular Dirigida , Metástasis de la Neoplasia , Neoplasias/tratamiento farmacológico , Transducción de Señal/efectos de los fármacos
13.
Mol Cancer ; 18(1): 17, 2019 01 24.
Artículo en Inglés | MEDLINE | ID: mdl-30678689

RESUMEN

Autophagy is a genetically well-controlled cellular process that is tightly controlled by a set of core genes, including the family of autophagy-related genes (ATG). Autophagy is a "double-edged sword" in tumors. It can promote or suppress tumor development, which depends on the cell and tissue types and the stages of tumor. At present, tumor immunotherapy is a promising treatment strategy against tumors. Recent studies have shown that autophagy significantly controls immune responses by modulating the functions of immune cells and the production of cytokines. Conversely, some cytokines and immune cells have a great effect on the function of autophagy. Therapies aiming at autophagy to enhance the immune responses and anti-tumor effects of immunotherapy have become the prospective strategy, with enhanced antigen presentation and higher sensitivity to CTLs. However, the induction of autophagy may also benefit tumor cells escape from immune surveillance and result in intrinsic resistance against anti-tumor immunotherapy. Increasing studies have proven the optimal use of either ATG inducers or inhibitors can restrain tumor growth and progression by enhancing anti-tumor immune responses and overcoming the anti-tumor immune resistance in combination with several immunotherapeutic strategies, indicating that induction or inhibition of autophagy might show us a prospective therapeutic strategy when combined with immunotherapy. In this article, the possible mechanisms of autophagy regulating immune system, and the potential applications of autophagy in tumor immunotherapy will be discussed.


Asunto(s)
Autofagia/inmunología , Sistema Inmunológico/inmunología , Neoplasias/inmunología , Neoplasias/terapia , Animales , Citocinas/inmunología , Humanos , Inmunoterapia/métodos
14.
Sex Health ; 16(6): 554-565, 2019 11.
Artículo en Inglés | MEDLINE | ID: mdl-31570116

RESUMEN

Background This study was conducted to summarise the HIV epidemic, sexual behaviours and HIV testing among men who have sex with men (MSM) attending university in China. METHODS: Five databases were searched for student MSM information in English and Chinese language publications. Meta-analyses were performed to calculate the pooled prevalence of HIV and syphilis, pooled mean age at first anal intercourse (AFAI) and the rate of other HIV-related behaviours among MSM attending university in China. Univariate meta-regression and subgroup analysis were conducted to explore potential sources of heterogeneity. Publication bias was measured using Egger's test. RESULTS: Thirty-three articles representing 31 studies were included in the analysis. The pooled HIV prevalence was 4.1% (95% CI 3.1-5.0%). The estimated AFAI was 18.7 years, but 37.5% of students had their first anal intercourse before 18 years of age. Most (88.2%) had their first sexual intercourse with a male partner. Of the MSM attending university, 4.2% of MSM engaged in commercial sex (either selling or buying sex), 10.3% had ever engaged in group sex, 13.1% had had sex with a female partner in the past month and 10.1% had ever used drugs. Most (77.7%) sought sex partners via geosocial networking gay apps or the Internet, and 42.9% had ever tested for HIV. There was a tendency for an increase in lifetime HIV testing rate from 32% in 2005-07 to 53% in 2014-16. CONCLUSIONS: This review found high HIV prevalence, early AFAI and a high prevalence of sexual risk behaviours among MSM attending university in China. Interventions aimed at increasing HIV testing and reducing sexual risk behaviours are urgently needed among this young population.


Asunto(s)
Infecciones por VIH/etiología , Homosexualidad Masculina/psicología , Estudiantes/psicología , Sífilis/etiología , Sexo Inseguro/estadística & datos numéricos , Infecciones por VIH/epidemiología , Homosexualidad Masculina/estadística & datos numéricos , Humanos , Masculino , Factores de Riesgo , Estudiantes/estadística & datos numéricos , Sífilis/epidemiología , Universidades , Sexo Inseguro/psicología
15.
J Med Virol ; 88(4): 703-11, 2016 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-26363107

RESUMEN

HPV DNA testing is receiving increasing popularity in cervical cancer screening. There is a lack of universal guidelines on HPV testing. Our study aimed to assess age-specific and year-on-year trend of HPV positivity and incidence and HPV retesting among 26,457 individual women attending the gynecological department at the First People's Hospital of Yunnan Province (FPHY) who had an HPV testing between January 1, 2012 and December 31, 2014. HPV 16, HPV 52, and cp8304 ranked among top 5 with regard to positivity in each year and overall incidence. The positivity of various HPV types peaked among women aged 15-19 years, then sharply decreased with age, stabilized among women aged 25-49 years and then surged again among women aged 50 years and older. The positivity of high-risk (HR) HPV types, including HPV 16, 18, 31, 33, 56 and 58, were on the rise during the time period (P < 0.05 for all). HR HPV types tended to be more likely to persist than LR HPV types (P < 0.05). Additionally, the incidence rate for any HR HPV type was also significantly higher than that for any LR HPV type (42.8 vs. 12.6 per 100 person-years, P < 0.001). The majority (57.3-77.5%) of women detected with HR HPV types did not retest within 12 months. Clinical guidelines on HPV DNA testing are needed and education, and counseling about HPV infection and its implications for women detected with HPV at clinical settings, are warranted.


Asunto(s)
Detección Precoz del Cáncer , Genotipo , Papillomaviridae/clasificación , Papillomaviridae/aislamiento & purificación , Infecciones por Papillomavirus/epidemiología , Infecciones por Papillomavirus/virología , Adulto , Factores de Edad , Anciano de 80 o más Años , China/epidemiología , Femenino , Hospitales , Humanos , Incidencia , Persona de Mediana Edad , Papillomaviridae/genética , Adulto Joven
16.
AIDS Behav ; 19(5): 882-9, 2015 May.
Artículo en Inglés | MEDLINE | ID: mdl-25319954

RESUMEN

We systematically reviewed and meta-analyzed global data on the relative risk for HIV infection among men who have sex with men (MSM) engaging in different roles in anal sex. MSM engaging in receptive anal sex only (MRAI) and MSM engaging in both insertive and receptive anal sex (MIRAI) were 6.9 (95 % CI 5.5-8.6) and 4.3 (95 % CI 3.6-5.3) times more likely to have prevalent HIV compared to MSM engaging in insertive anal sex only (MIAI) in 1981-1985. These figures were 1.8 (95 % CI 1.6-2.0) and 2.2 (95 % CI 2.0-2.4) in 1986-2010. Overall, MRAI and MIRAI were 6.2 (95 % CI 3.3-11.8) and 6.6 (95 % CI 3.8-11.7) times more likely to develop incident HIV infection compared to MIAI. MRAI are at higher risk for HIV infection compared to MIAI. HIV prevalence among men engaging in all roles in anal sex is high enough that all MSM should be aware of potential risk.


Asunto(s)
Infecciones por VIH/epidemiología , Conducta Sexual/psicología , Sexo Inseguro/estadística & datos numéricos , Adulto , Condones/estadística & datos numéricos , Homosexualidad Masculina/estadística & datos numéricos , Humanos , Masculino , Prevalencia , Riesgo
17.
Maturitas ; 184: 107965, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-38460416

RESUMEN

BACKGROUND: Sexual and reproductive health (SRH) is critical to the overall health of older adults. We assessed the utilization of SRH services and its correlates among older adults in China. METHODS: We recruited community-dwelling adults aged 50 and above in five Chinese cities between June 2020 and December 2022. In this study SRH services included reproductive health examination, cervical cancer screening, and sexual life counselling. Logistic regression was used to assess correlates of SRH services utilization. RESULTS: A total of 3001 older adults (1819 men and 1182 women) were enrolled. Among them, 11.4 % (343/3001) of participants received a reproductive health examination, 35.4 % (418/1182) of female participants received cervical cancer screening, and 30.1 % (401/1332) of sexually active participants sought help for their sexual lives. Older men with an annual income of USD 7500 or more (aOR = 3.21, 95%CI: 1.39-7.44), two or more chronic conditions (2.38, 1.39-4.08), and reproductive health problems (2.01, 1.18-3.43) were more likely to receive a urological examination. For older women, individuals who were younger (aged 50-59 years: 5.18, 2.84-9.43; aged 60-69 years: 2.67, 1.49-4.79), lived in an urban area (1.88, 1.31-2.71), were employed (1.73, 1.21-2.47), had two or more chronic conditions (2.04, 1.37-3.05), were sexually active (1.72, 1.15-2.58) and talked about sex (1.69, 1.21-2.36) were more likely to receive a gynecological examination. CONCLUSION: SRH services utilization among older adults was low, with urological examination among older men particularly low. SRH messages and services tailored for older adults are needed to enhance their utilization of SRH services.


Asunto(s)
Servicios de Salud Reproductiva , Humanos , Masculino , Femenino , China , Persona de Mediana Edad , Anciano , Servicios de Salud Reproductiva/estadística & datos numéricos , Salud Sexual/estadística & datos numéricos , Aceptación de la Atención de Salud/estadística & datos numéricos , Salud Reproductiva/estadística & datos numéricos , Neoplasias del Cuello Uterino , Detección Precoz del Cáncer/estadística & datos numéricos , Conducta Sexual/estadística & datos numéricos
18.
Wei Sheng Wu Xue Bao ; 53(10): 1117-24, 2013 Oct 04.
Artículo en Zh | MEDLINE | ID: mdl-24409768

RESUMEN

OBJECTIVE: The removal of phenolic compounds was a key problem for coking wastewater treatment. This study focused on the isolation and characterization of anefficient phenol-degrading bacterial strain from coking wastewater. METHODS: Phenol-degrading bacterium was screened by using phenol as the sole carbon source, strain was identified according to the morphological properties and 16S rRNA sequence analysis, the phenol-degrading characteristics and the potential for removal of phenol in the coking wastewater were evaluated. RESULTS: Strain P1 was identified as the genus Rhodococcus sp. with morphological properties and 16S rRNA gene sequence. This strain could survive at the presence of phenol with concentration up to 1400 mg/L. The optimal conditions for biodegradation of 600 mg/L phenol in mineral medium were at 32 - 42 degrees C, pH 7.0 and 0 - 4% NaCl. The phenol-degrading efficiency by P1 strain was different in response to various heavy metal ions, Ni2+, Mn2+ and low concentration of Pb2+ had no effect on the phenol degradation. However, Cu2+, Ni2+ and Cd2+ seriously inhibited phenol degradation by strain P1. The 279.9 mg/L phenols from 1/3 coking wastewater were completely degraded after incubation for 2 days. CONCLUSION: Strain P1 is an efficient phenol-degrading bacterium and has of the potential for removing phenolic compounds in coking wastewater.


Asunto(s)
Fenol/metabolismo , Rhodococcus/aislamiento & purificación , Rhodococcus/metabolismo , Aguas del Alcantarillado/microbiología , Biodegradación Ambiental , Medios de Cultivo/química , Medios de Cultivo/metabolismo , Concentración de Iones de Hidrógeno , Residuos Industriales/análisis , Rhodococcus/genética , Rhodococcus/crecimiento & desarrollo , Aguas del Alcantarillado/química , Temperatura
19.
JMIR Public Health Surveill ; 9: e43555, 2023 05 01.
Artículo en Inglés | MEDLINE | ID: mdl-36888911

RESUMEN

BACKGROUND: SARS-CoV-2 rapid antigen testing (RAT) could be a useful supplementary test to diagnose larger numbers of acute asymptomatic infections and alleviate the limitations of polymerase chain reaction testing. However, hesitancy to undergo SARS-CoV-2 RAT may compromise its implementation. OBJECTIVE: We aimed to understand the prevalence and correlates of hesitancy to undergo RAT among adults not infected with SARS-CoV-2 in mainland China. METHODS: A nationwide cross-sectional survey on hesitancy to undergo SARS-CoV-2 RAT was conducted among adults not infected with SARS-CoV-2 in mainland China between April 29, 2022, and May 10, 2022. Participants completed an online questionnaire that covered the following COVID-19-related factors: sociodemographic characteristics, experiences of COVID-19 restrictions and knowledge of COVID-19, and attitude toward COVID-19 and its screening. This study was a secondary analysis of data from the survey. We compared the characteristics of participants by hesitancy to undergo SARS-CoV-2 RAT. Thereafter, logistic regression with a sparse group minimax concave penalty was used to identify correlates of hesitancy to undergo RAT. RESULTS: We recruited 8856 individuals with diverse demographic, socioeconomic, and geographic characteristics in China. Eventually, 5388 participants (valid response rate of 60.84%; 52.32% [2819/5388] women; median age 32 years) were included in the analysis. Among the 5388 participants, 687 (12.75%) expressed hesitancy to undergo RAT and 4701 (87.25%) were willing to undergo RAT. Notably, those who were from the central region (adjusted odds ratio [aOR] 1.815, 95% CI 1.441-2.278) and those who received COVID-19 information from traditional media (aOR 1.544, 95% CI 1.279-1.863) were significantly more likely to report hesitancy to undergo RAT (both P<.001). However, those who were women (aOR 0.720, 95% CI 0.599-0.864), were older (aOR 0.982, 95% CI 0.969-0.995), had postgraduate education (aOR 0.612, 95% CI 0.435-0.858), had children (<6 years old) and elders (>60 years old) in the family (aOR 0.685, 95% CI 0.510-0.911), had better knowledge about COVID-19 (aOR 0.942, 95% CI 0.916-0.970), and had mental health disorders (aOR 0.795, 95% CI 0.646-0.975) were less likely to report hesitancy to undergo RAT. CONCLUSIONS: Hesitancy to undergo SARS-CoV-2 RAT was low among individuals who were not yet infected with SARS-CoV-2. Efforts should be made to improve the awareness and acceptance of RAT among men, younger adults, individuals with a lower education or salary, families without children and elders, and individuals who access COVID-19 information via traditional media. In a reopening world, our study could inform the development of contextualized mass screening strategies in general and the scale-up of RAT in particular, which remains an indispensable option in emergency preparedness.


Asunto(s)
COVID-19 , Femenino , Humanos , Masculino , SARS-CoV-2 , Estudios Transversales , China , Infecciones Asintomáticas
20.
JMIR Public Health Surveill ; 9: e43635, 2023 03 24.
Artículo en Inglés | MEDLINE | ID: mdl-36961492

RESUMEN

BACKGROUND: Community-based organizations deliver peer-led support services to people living with HIV. Systematic reviews have found that peer-led community-based support services can improve HIV treatment outcomes; however, few studies have been implemented to evaluate its impact on mortality using long-term follow-up data. OBJECTIVE: We aimed to evaluate the associations between the receipt of peer-led community-based support services and HIV treatment outcomes and survival among people living with HIV in Wuxi, China. METHODS: We performed a propensity score-matched retrospective cohort study using data collected from the Chinese National HIV/AIDS Comprehensive Information Management System for people living with HIV in Wuxi, China, between 2006 and 2021. People living with HIV who received adjunctive peer-led community-based support for at least 6 months from a local community-based organization (exposure group) were matched to people living with HIV who only received routine clinic-based HIV care (control group). We compared the differences in HIV treatment outcomes and survival between these 2 groups using Kaplan-Meier curves. We used competing risk and Cox proportional hazards models to assess correlates of AIDS-related mortality (ARM) and all-cause mortality. We reported adjusted subdistribution hazard ratio and adjusted hazard ratio with 95% CIs. RESULTS: A total of 860 people living with HIV were included (430 in the exposure group and 430 in the control group). The exposure group was more likely to adhere to antiretroviral therapy (ART; 396/430, 92.1% vs 360/430, 83.7%; P<.001), remain retained in care 12 months after ART initiation (402/430, 93.5% vs 327/430, 76.1%; P<.001), and achieve viral suppression 9 to 24 months after ART initiation (357/381, 93.7% vs 217/243, 89.3%; P=.048) than the control group. The exposure group had significantly lower ARM (1.8 vs 7.0 per 1000 person-years; P=.01) and all-cause mortality (2.3 vs 9.3 per 1000 person-years; P=.002) and significantly higher cumulative survival rates (P=.003). The exposure group had a 72% reduction in ARM (adjusted subdistribution hazard ratio 0.28, 95% CI 0.09-0.95) and a 70% reduction in all-cause mortality (adjusted hazard ratio 0.30, 95% CI 0.11-0.82). The nonrandomized retrospective nature of our analysis prevents us from determining whether peer-led community-based support caused the observed differences in HIV treatment outcomes and survival between the exposure and control groups. CONCLUSIONS: The receipt of peer-led community-based support services correlated with significantly improved HIV treatment outcomes and survival among people living with HIV in a middle-income country in Asia. The 15-year follow-up period in this study allowed us to identify associations with survival not previously reported in the literature. Future interventional trials are needed to confirm these findings.


Asunto(s)
Síndrome de Inmunodeficiencia Adquirida , Infecciones por VIH , Humanos , Estudios Retrospectivos , Puntaje de Propensión , Servicios de Salud Comunitaria , Infecciones por VIH/tratamiento farmacológico , Infecciones por VIH/epidemiología , Resultado del Tratamiento , China/epidemiología
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