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Background: Immunoglobulin A (IgA) plays a crucial role in the maturation the neonatal mucosal barrier. The accumulation of IgA antibody-secreting cells (ASCs) in the lactating mammary gland facilitates the secretion of IgA antibodies into milk, which are then passively to the suckling newborn, providing transient immune protection against gastrointestinal pathogens. Physiologically, full-term infants are unable to produce IgA, required for mucosal barrier maturation for at least 10 days after birth.

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Effect of Bovine Colostrum on Canine Immune Health.

Animals (Basel)

January 2025

Nestlé Purina Research, One Checkerboard Square, St. Louis, MO 63164, USA.

Colostrum, the first fluid secreted by the mammary glands of mammalian mothers, contains essential nutrients for the health and survival of newborns. Bovine colostrum (BC) is notable for its high concentrations of bioactive components, such as immunoglobulins and lactoferrin. Despite dogs being the world's most popular companion animals, there is limited research on their immune systems compared to humans.

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Just as overweight and obesity may impair immunity, excessive body weight-related parameters of women in the pre-conception period and during pregnancy are possible detrimental factors for fetal programming of the immune system in their offspring. We investigated the relationship of pre-pregnancy body mass index (pBMI) and gestational weight gain (GWG) of mothers with the placental transport rate (PTR) of IgG antibodies and antineutrophil cytoplasmatic antibodies against lactoferrin (Lf-ANCA) and their concentration in umbilical cord blood serum (UCS), verifying the sex-specificity of this relationship. The examined group of this cross-sectional pilot study consisted of 101 pregnant women and their healthy CS-delivered newborn children.

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Background: The principal objective of our study is to evaluate the characteristics of babies with type 1 ROP, screening practices and treatment trends in a tertiary care centre in Pakistan.

Methods: This prospective study at Mayo Hospital, Lahore (July 2022-July 2024), included 89 preterm infants with type 1 ROP, selected using non-probability sampling. Infants were categorized based on international (GA < 32weeks or BW < 1500 g) and local screening criteria (GA < 35 weeks or BW < 2000 g), and treatment outcomes were evaluated across three groups: Anti-VEGF, combination therapy (Anti-VEGF followed by laser), and laser therapy.

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Protective or limited? Maternal antibodies and RSV-associated lower respiratory tract infection in hospitalized infants aged 28-90 days.

Front Immunol

January 2025

Department of Respiratory Medicine, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China.

Background: Respiratory syncytial virus (RSV) is a major cause of severe health problems in newborns and young children. The protective role and limitations of serum maternal RSV antibodies in infants under 3 months remain controversial.

Methods: A two-center prospective study from 2020 to 2023 recruited infants (n=286) admitted to the respiratory departments of two children's hospitals in southwestern and southeastern China during RSV epidemic.

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