1.Factors associated with anxiety symptoms among Filipino farmers in Central Luzon: An analytical cross-sectional study
Har-li T. Young ; Dina Marie Yalong ; Vinace S. Guinguing ; Van Irish S. Ventilacion ; Merimae S. Villamayor ; Peter Verona G. Villangca ; William M. Manengyao jr. ; Ma. Beatrice M. Vega ; Alina Marea C. Zañ ; o ; Maria Teresa Sanchez-tolosa
Acta Medica Philippina 2025;59(Early Access 2025):1-11
BACKGROUND AND OBJECTIVE
Filipino farmers face unique occupational challenges that increase the risk of mental health issues, particularly anxiety. This study aims to determine the different personal, environmental, socioeconomic, occupational, and psychosocial factors associated with anxiety symptoms among Filipino farmers in Central Luzon.
METHODSChain referral sampling method was used to recruit participants for the study, who underwent screening based on the eligibility criteria. Eligible participants were then asked about anxiety symptoms using the Generalized Anxiety Disorder-7 (GAD-7), while the validated, researcher-constructed Data Collection Tool for Factors Associated with Anxiety Symptoms (DCFAAS) was used to determine the farmers’ exposure to a variety of factors. Microsoft Excel was utilized in computing for frequency and percent distribution of participants, in each factor. Binary logistic regression was used to compute crude and adjusted odds ratio of each factor thru IBM SPSS Statistics®.
RESULTSAmong the 113 eligible farmers enrolled in the study, only 19 (16.8%) experienced anxiety symptoms, with excessive worrying, which was seen among 45 participants (39.8%). The mental health of Filipino farmers was significantly affected by the presence of physical illness (OR = 10.70 [95% CI 1.367, 83.773]) and having relatives affecting work completion (OR = 6.45 [95% CI 1.346, 30.896]).
CONCLUSIONDespite the low prevalence of anxiety symptoms in this study, the findings suggest government policies to improve mental health service access to farmers, to integrate psychosocial support into agricultural programs, and to address family-related work pressures. By addressing these factors, it can improve farmer productivity and promote overall well-being, putting emphasis on the mental health of the Filipino farmers.
Human ; Farmers ; Agriculture ; Generalized Anxiety Disorder ; Gad-7 ; Patient Health Questionnaire
2.Factors associated with anxiety symptoms among Filipino farmers in Central Luzon: An analytical cross-sectional study.
Har-li T. YOUNG ; Dina Marie YALONG ; Vinace S. GUINGGUING ; Van Irish S. VENTILACION ; Merimae S. VILLAMAYOR ; Peter Verona G. VILLANGCA ; William M. MANENGYAO JR. ; Ma. Beatrice M. VEGA ; Alina Marea C. ZAÑO ; Maria Teresa SANCHEZ-TOLOSA
Acta Medica Philippina 2025;59(16):68-78
BACKGROUND AND OBJECTIVE
Filipino farmers face unique occupational challenges that increase the risk of mental health issues, particularly anxiety. This study aims to determine the different personal, environmental, socioeconomic, occupational, and psychosocial factors associated with anxiety symptoms among Filipino farmers in Central Luzon.
METHODSChain referral sampling method was used to recruit participants for the study, who underwent screening based on the eligibility criteria. Eligible participants were then asked about anxiety symptoms using the Generalized Anxiety Disorder-7 (GAD-7), while the validated, researcher-constructed Data Collection Tool for Factors Associated with Anxiety Symptoms (DCFAAS) was used to determine the farmers’ exposure to a variety of factors. Microsoft Excel was utilized in computing for frequency and percent distribution of participants, in each factor. Binary logistic regression was used to compute crude and adjusted odds ratio of each factor thru IBM SPSS Statistics®.
RESULTSAmong the 113 eligible farmers enrolled in the study, only 19 (16.8%) experienced anxiety symptoms, with excessive worrying, which was seen among 45 participants (39.8%). The mental health of Filipino farmers was significantly affected by the presence of physical illness (OR = 10.70 [95% CI 1.367, 83.773]) and having relatives affecting work completion (OR = 6.45 [95% CI 1.346, 30.896]).
CONCLUSIONDespite the low prevalence of anxiety symptoms in this study, the findings suggest government policies to improve mental health service access to farmers, to integrate psychosocial support into agricultural programs, and to address family-related work pressures. By addressing these factors, it can improve farmer productivity and promote overall well-being, putting emphasis on the mental health of the Filipino farmers.
Human ; Farmers ; Agriculture ; Generalized Anxiety Disorder ; Gad-7 ; Patient Health Questionnaire
3.Imaging poly(ADP-ribose) polymerase-1 (PARP1) in vivo with 18F-labeled brain penetrant positron emission tomography (PET) ligand.
Xin ZHOU ; Jiahui CHEN ; Jimmy S PATEL ; Wenqing RAN ; Yinlong LI ; Richard S VAN ; Mostafa M H IBRAHIM ; Chunyu ZHAO ; Yabiao GAO ; Jian RONG ; Ahmad F CHAUDHARY ; Guocong LI ; Junqi HU ; April T DAVENPORT ; James B DAUNAIS ; Yihan SHAO ; Chongzhao RAN ; Thomas L COLLIER ; Achi HAIDER ; David M SCHUSTER ; Allan I LEVEY ; Lu WANG ; Gabriel CORFAS ; Steven H LIANG
Acta Pharmaceutica Sinica B 2025;15(10):5036-5049
Poly(ADP-ribose) polymerase 1 (PARP1) is a multifunctional protein involved in diverse cellular functions, notably DNA damage repair. Pharmacological inhibition of PARP1 has therapeutic benefits for various pathologies. Despite the increased use of PARP inhibitors, challenges persist in achieving PARP1 selectivity and effective blood-brain barrier (BBB) penetration. The development of a PARP1-specific positron emission tomography (PET) radioligand is crucial for understanding disease biology and performing target occupancy studies, which may aid in the development of PARP1-specific inhibitors. In this study, we leverage the recently identified PARP1 inhibitor, AZD9574, to introduce the design and development of its 18F-isotopologue ([18F]AZD9574). Our comprehensive approach, encompassing pharmacological, cellular, autoradiographic, and in vivo PET imaging evaluations in non-human primates, demonstrates the capacity of [18F]AZD9574 to specifically bind to PARP1 and to successfully penetrate the BBB. These findings position [18F]AZD9574 as a viable molecular imaging tool, poised to facilitate the exploration of pathophysiological changes in PARP1 tissue abundance across various diseases.
5.Prevalence and Associations of Dural Arteriovenous Fistulae in Cerebral Venous Thrombosis: Analysis of ACTION-CVT
Aaron SHOSKES ; Liqi SHU ; Thanh N. NGUYEN ; Mohamad ABDALKADER ; James GILES ; Jordan AMAR ; James E. SIEGLER ; Nils HENNINGER ; Marwa ELNAZEIR ; Sami Al KASAB ; Piers KLEIN ; Mirjam R. HELDNER ; Kateryna ANTONENKO ; Marios PSYCHOGIOS ; David S. LIEBESKIND ; Thalia FIELD ; Ava LIBERMAN ; Charles ESENWA ; Alexis SIMPKINS ; Grace LI ; Jennifer FRONTERA ; Lindsey KUOHN ; Aaron ROTHSTEIN ; Ossama KHAZAAL ; Yasmin AZIZ ; Eva MISTRY ; Pooja KHATRI ; Setareh Salehi OMRAN ; Adeel S. ZUBAIR ; Richa SHARMA ; Robert M. STARKE ; Jacques J. MORCOS ; Jose G. ROMANO ; Shadi YAGHI ; Negar ASDAGHI
Journal of Stroke 2024;26(2):325-329
6.Intraperitoneal versus intranasal administration of lipopolysaccharide in causing sepsis severity in a murine model: a preliminary comparison
Yaqing JIAO ; Cindy S. W. TONG ; Lingyun ZHAO ; Yilin ZHANG ; John M. NICHOLLS ; Timothy H. RAINER
Laboratory Animal Research 2024;40(2):280-286
Community-acquired respiratory infection is the commonest cause of sepsis presenting to emergency departments. Yet current experimental animal models simulate peritoneal sepsis with intraperitoneal (I.P.) injection of lipopolysaccharide (LPS) as the predominant route. We aimed to compare the progression of organ injury between I.P. LPS and intranasal (I.N.) LPS in order to establish a better endotoxemia murine model of respiratory sepsis. Eight weeks old male BALB/c mice received LPS-Escherichia coli doses at 0.15, 1, 10, 20, 40 and 100 mg per kg body weight (e.g. LPS-10 is a dose of 10 mg/kg body weight). Disease severity was monitored by a modified Mouse Clinical Assessment Score for Sepsis (M-CASS; range 0–21). A M-CASS score ≥ 10 or a weight reduction of ≥ 20%, was used as a criterion for euthanasia. The primary outcome was the survival rate (either no death or no need for euthanasia). The progression of disease was specified as M-CASS, body weight, blood glucose, histopathological changes to lung, liver, spleen, kidney, brain and heart tissues. Survival rate in I.P. LPS-20 mice was 0% (2/3 died; 1/3 euthanized with M-CASS > 10) at 24 h. Survival rate in all doses of I.N. LPS was 100% (20/20; 3–4 per group) at 96 h. 24 h mean M-CASS post-I.P. LPS-10 was 6.4/21 significantly higher than I.N. LPS-10 of 1.7/21 (Unpaired t test, P < 0.05). Organ injury was present at 96 h in the I.P. LPS-10 group: lung (3/3; 100%), spleen (3/3; 100%) and liver (1/3; 33%). At 24 h in the I.P. LPS-20 group, kidney injury was observed in the euthanized mouse. At 96 h in the post-I.N. LPS-20 group, only lung injury was observed in 2/3 (67%) mice (Kruskal-Wallis test with Dunn’s, P < 0.01). At 24 h in the post-I.N. LPS-100 group all (4/4) mice had evidence of lung injury. Variable doses of I.N. LPS in mice produced lung injury but did not produce sepsis. Higher doses of I.P. LPS induced multi-organ injury but not respiratory sepsis. Lethal models of respiratory virus, e.g., influenza A, might provide alternative avenues that can be explored in future research.
7.α-Gal Nanoparticles in CNS Trauma: II. Immunomodulation Following Spinal Cord Injury (SCI) Improves Functional Outcomes
Bhavani GOPALAKRISHNAN ; Uri GALILI ; Megan SAENGER ; Noah J. BURKET ; Wendy KOSS ; Manjari S. LOKENDER ; Kaitlyn M. WOLFE ; Samantha J. HUSAK ; Collin J. STARK ; Luis SOLORIO ; Abigail COX ; August DUNBAR ; Riyi SHI ; Jianming LI
Tissue Engineering and Regenerative Medicine 2024;21(3):437-453
BACKGROUND:
Previous investigations have shown that local application of nanoparticles presenting the carbohydrate moiety galactose-a-1,3-galactose (α-gal epitopes) enhance wound healing by activating the complement system and recruiting pro-healing macrophages to the injury site. Our companion in vitro paper suggest α-gal epitopes can similarly recruit and polarize human microglia toward a pro-healing phenotype. In this continuation study, we investigate the in vivo implications of α-gal nanoparticle administration directly to the injured spinal cord.
METHODS:
α-Gal knock-out (KO) mice subjected to spinal cord crush were injected either with saline (control) or with α-gal nanoparticles immediately following injury. Animals were assessed longitudinally with neurobehavioral and histological endpoints.
RESULTS:
Mice injected with α-gal nanoparticles showed increased recruitment of anti-inflammatory macrophages to the injection site in conjunction with increased production of anti-inflammatory markers and a reduction in apoptosis. Further, the treated group showed increased axonal infiltration into the lesion, a reduction in reactive astrocyte populations and increased angiogenesis. These results translated into improved sensorimotor metrics versus the control group.
CONCLUSIONS
Application of α-gal nanoparticles after spinal cord injury (SCI) induces a pro-healing inflammatory response resulting in neuroprotection, improved axonal ingrowth into the lesion and enhanced sensorimotor recovery. The data shows α-gal nanoparticles may be a promising avenue for further study in CNS trauma.GRAPHICAL ABSTRACT Putative mechanism of therapeutic action by α-gal nanoparticles. A. Nanoparticles injected into the injured cord bind to anti-Gal antibodies leaked from ruptured capillaries. The binding of anti-Gal to α-gal epitopes on the α-gal nanoparticles activates the complement system to release complement cleavage chemotactic peptides such as C5a, C3a that recruit macrophages and microglia. These recruited cells bind to the anti-Gal coated α-gal nanoparticles and are further polarized into the M2 state. B. Recruited M2 macrophages and microglia secrete neuroprotective and prohealing factors to promote tissue repair, neovascularization and axonal regeneration (C.).


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