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Peacekeeping is the important function of the Barangay Peacekeeping Action Team in their respective barangay, BPAT visibility is the one main focus of this peacekeeping activity. Hence, this study was conducted to determine the level of performance of the Barangay Peacekeeping Action Team (BPAT) in regards to their skills in patrolling, identifying violation in the community, basic self-defense skills and crowd control skills of selected Barangays in the City of Ozamiz during COVID-19 pandemic. The researchers employed a descriptive-correlational type of research characterized by gathering data from 100 respondents from the selected barangays in Ozamiz City. Moreover, survey questionnaire was used to gather the data. Furthermore, mean and standard deviation were the statistical tool used in the data analysis. Results revealed that the majority of Barangay Peacekeeping Action Team (BPAT) officers were very responsive in safeguarding and patrolling the neighborhood during the day and night while on the state/verge of pandemic. BPAT officers are highly knowledgeable and visible in securing their respective communities through ronda or patrol activity. BPAT officers also perform intelligence monitoring during the pandemic. The findings may provide additional information to the PNP and may give insights to the institution for the improvement of the performance of the Barangay Peacekeeping Action Team (BPAT) at the barangay level. Lastly this study recommends to maintain the BPAT’s excellent performance, and if possible to retrain them in upgrading the skills, and to have constant monitoring and evaluation of their performance and to establish a wider coverage of study or can be done to the entire city.

STUDY QUESTION: What prevents the fall in anti-Müllerian hormone (AMH) levels in polycystic ovary syndrome (PCOS) and what are the consequences of this for follicle progression in these ovaries? SUMMARY ANSWER: Exposure of granulosa cells (GCs) to high levels of androgens, equivalent to that found in PCOS, prevented the fall in AMH and was associated with dysregulated AMH-SMAD signalling leading to stalled follicle progression in PCOS. WHAT IS KNOWN ALREADY: In normal ovaries, AMH exerts an inhibitory role on antral follicle development and a fall in AMH levels is a prerequisite for ovulation. Levels of AMH are high in PCOS, contributing to the dysregulated follicle growth that is a common cause of anovulatory infertility in these women. STUDY DESIGN, SIZE, DURATION: Human KGN-GC (the cell line that corresponds to immature GC from smaller antral follicles (AF)) were cultured with a range of doses of various androgens to determine the effects on AMH production. KGN-GC were also treated with PHTPP (an oestrogen receptor β (ERβ) antagonist) to examine the relationship between AMH expression and the ratio of ERα:ERβ. The differential dose-related effect of AMH on gene expression and SMAD signalling was investigated in human granulosa-luteal cells (hGLC) from women with normal ovaries, with polycystic ovarian morphology (PCOM) and with PCOS. KGN-GC were also cultured for a prolonged period with AMH at different doses to assess the effect on cell proliferation and viability. PARTICIPANTS/MATERIALS, SETTING, METHODS: AMH protein production by cells exposed to androgens was measured by ELISA. The effect of PHTPP on the mRNA expression levels of AMH, ERα and ERβ was assessed by real-time quantitative PCR (qPCR). The influence of AMH on the relative mRNA expression levels of aromatase, AMH and its receptor AMHRII, and the FSH and LH receptor (FSHR and LHR) in control, PCOM and PCOS hGLCs was quantified by qPCR. Western blotting was used to assess changes in levels of SMAD proteins (pSMAD-1/5/8; SMAD-4; SMAD-6 and SMAD-7) after exposure of hGLCs from healthy women and women with PCOS to AMH. The ApoTox-Glo Triplex assay was used to evaluate the effect of AMH on cell viability, cytotoxicity and apoptosis. MAIN RESULTS AND THE ROLE OF CHANCE: Testosterone reduced AMH protein secreted from KGN-GC at 10-9-10-7 M (P