Background
Human rights violations (HRVs) are common in conflict and displacement contexts. Women are especially vulnerable to HRVs in these contexts, and perinatal health is acutely sensitive to related stressors and health care barriers. However, how HRVs affect immediate and long-term perinatal health in chronic displacement settings has not been closely investigated. Furthermore, it remains unclear whether and how HRVs in these contexts are tied directly to displacement circumstances or other marginalizing factors affecting local migrant and minority populations generally.
Methods
We investigated these questions using novel survey data from 577 women at the northern Thai-Myanmar border, where thousands of people have fled conflict in Shan State, Myanmar, for refuge in a range of precarious settings in Thailand, including unofficial refugee camps, villages, and worksites. We compared HRV exposures by ethnicity, country of birth, legal documentation, and residential setting. We then analyzed perinatal outcomes associated with HRV frequency, timing, and type.
Results
Birth in Myanmar, and ethnic minority and precarious legal status more broadly, predicted higher HRV prevalence. HRV frequency significantly predicted unmet antenatal care and lower birth weight, along with HRVs related to labor exploitation and violence or conflict. HRVs timed closer to pregnancies were more adversely associated with perinatal outcomes. Resource/property deprivation was the strongest predictor of pregnancy complications.
Conclusions
Human rights must be urgently attended to, through expanded HRV screenings and responsive care, and policy changes to further protect migrant workers, displaced persons, and others in precarious legal status situations.
The development and regeneration of skeletal muscle are mediated by satellite cells (SCs), which ensure the efficient formation of myofibers while repopulating the niche that allows muscle repair following injuries. Pannexin 1 (Panx1) channels are expressed in SCs and their levels increase during differentiation in vitro, as well as during skeletal muscle development and regeneration in vivo. Panx1 has recently been shown to regulate muscle regeneration by promoting bleb‐based myoblast migration and fusion. While skeletal muscle is largely influenced in a sex‐specific way, the sex‐dependent roles of Panx1 in regulating skeletal muscle and SC function remain to be investigated. Here, using global Panx1 knockout (KO) mice, we demonstrate that Panx1 loss reduces muscle fiber size and strength, decreases SC number, and alters early SC differentiation and myoblast fusion in male, but not in female mice. Interestingly, while both male and female Panx1 KO mice display an increase in the number of regenerating fibers following acute injury, the newly formed fibers in male Panx1 KO mice are smaller. Overall, our results demonstrate that Panx1 plays a significant role in regulating muscle development, regeneration, and SC number and function in male mice and reveal distinct sex‐dependent functions of Panx1 in skeletal muscle.
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