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Extracellular vesicles, or small balloon like structures, are released from both maternal and fetal cells during pregnancy, where they serve a communication function between mom and baby. Sarven Sabunciyan and colleagues at Johns Hopkins have also found they’re associated with …

Variations in levels of messenger RNA may help predict postpartum depression, Elizabeth Tracey reports Read more »

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During pregnancy cells from the mom’s side of the placenta communicate with those of the baby, and from baby to mom, using tiny structures known as vesicles. Now a Johns Hopkins team, including researcher Sarven Sabunciyan, has found that measurable …

Disruptions in cellular mother-baby communication during pregnancy may result in a host of ills, Elizabeth Tracey reports Read more »

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There’s a lot of communication going on between mom and baby during pregnancy, and some of that is cellular. Sarven Sabunciyan and colleagues at Johns Hopkins have been looking at one specific form of communication that’s disrupted in postpartum depression. …

Can a process of cellular communication between mom and baby during pregnancy underlie postpartum depression? Elizabeth Tracey reports Read more »

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Giving Covid vaccines to adults aged 75 and older has shown that while they do respond with antibodies, that response lasts a much shorter time than in younger people. Johns Hopkins geriatrics expert Sean Leng says the study also found …

Older men don’t respond as well to vaccination as older women, Elizabeth Tracey reports Read more »

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Vaccination against Covid-19 in a group of adults older than 75 years of age has shown that while they do produce antibodies in response, they differ from what is seen in younger people. That’s according to Sean Leng, a geriatrics …

How do vaccine responses compare among older and younger people? Elizabeth Tracey reports Read more »

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People older than 75 experience a robust antibody response to Covid vaccines but it fades quickly, research by Sean Leng, a geriatrics expert at Johns Hopkins, has shown.  Leng: Now the good news is when those same individuals got the …

Older adults may need Covid boosters more often, Elizabeth Tracey reports Read more »

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We know that Covid viruses bind to a cell surface protein known as ACE2, and that antibodies can block the virus at this location as well bind directly to the virus, so called neutralizing antibodies. Research by Johns Hopkins geriatrics …

Specific types of immune responses fade quickly in older people immunized against Covid-19, Elizabeth Tracey reports Read more »