DR. HEZEKIAH G.P. SHANI, M.D.

Plain English
This study looked at 17 Israeli individuals with Phelan-McDermid syndrome (PMS), a condition that affects development and can cause severe intellectual disabilities, autism, and other health issues. The researchers found that almost all participants had significant developmental delays, with 59% experiencing severe difficulties. Additionally, 70% had autism symptoms and 47% had seizures, highlighting the complex challenges faced by these individuals. Who this helps: This research helps patients with PMS and their families by increasing understanding of the condition and informing better treatment options.

Plain English
This study looked at how often parents with a genetic change in the TP53 gene pass that change to their children in families affected by Li-Fraumeni syndrome (LFS). Instead of the expected 50% rate, researchers found that 58.5% of studied individuals inherited the genetic change, and when including some likely carriers, that number rose to 64.9%. This matters because it could impact genetic counseling and decision-making for families at risk of cancer. Who this helps: Families with Li-Fraumeni syndrome and their healthcare providers.

Plain English
This study looked at how a 10-week balance training program using unstable surfaces affected young male basketball players' balance, jumping power, and shooting accuracy. The group that trained on unstable surfaces showed significant improvements, with a 58% increase in dynamic balance and a 43% increase in shooting accuracy compared to the control group, which had smaller improvements of 22% and 32%, respectively. These results matter because they suggest that incorporating balance training could lead to better performance in basketball, especially in shooting skills. Who this helps: This helps young basketball players improve their game.

Plain English
This study looked at how geneticists classify uncertain prenatal genetic findings known as copy number variants (CNVs) using a model of a "virtual fetus." Out of 15 geneticists, they found that 74.7% of the CNVs were considered uncertain, while only 6.0% were classified as harmful. The results showed significant differences in classification based on the type of genetic change and the geneticist’s specialty, highlighting the need for a standard approach to improve decision-making in prenatal genetic testing. Who this helps: This benefits patients undergoing prenatal genetic testing and their healthcare providers.

Plain English
This study examined a genetic condition called distal Xq28 duplication syndrome, which can cause learning difficulties and unique facial features. Researchers looked at 47 new cases from various medical centers and found that most affected individuals inherited the condition from their mothers, with 80% of cases showing this pattern. The findings highlight that many prenatal tests did not show major issues in the babies, suggesting that not all pregnancies will be affected, and there can be differences in how symptoms appear in males. Who this helps: This research benefits patients, their families, and healthcare providers by improving understanding of the condition and its inheritance.

Plain English
This study focused on the early detection of congenital hypotonia, a condition marked by reduced muscle tone in newborns, within pregnancies. Out of 26 cases studied, 10 were diagnosed before birth, resulting in a prenatal detection rate of 38.5%, and when targeted ultrasound scans were used, the rate increased to 62.5%. These findings are significant because they highlight that specific ultrasound assessments can identify potential problems earlier, allowing for better planning and care. Who this helps: This helps expectant parents and healthcare providers by enabling earlier diagnosis and intervention for affected fetuses.

Plain English
This study looked at a specific condition known as non-dilated ventricular asymmetry (NDVA) found in the brains of unborn babies during ultrasounds. Out of 145 cases studied, only 1.8% had genetic abnormalities from karyotype tests and 10% from chromosomal tests, while brain MRIs did not reveal any major additional issues. Understanding NDVA is important because while it can sound concerning, the findings of this study indicate that further imaging may not be necessary, and it raises questions about the need for more research on genetic testing results. Who this helps: This helps expectant parents and their doctors by providing clearer information on managing prenatal care when NDVA is identified.

Plain English
This study focused on a Jewish family with a strong history of cancer who had mutations in two important genes linked to cancer risk: BRCA1 and TP53. The researchers found that both siblings in the family carried mutations from their parents, and there have been only four similar cases reported so far. Importantly, the severity of cancer risk for people with these combined mutations doesn't appear to be worse than for those with just one mutation, which emphasizes the need for thorough genetic testing in families with known BRCA1 mutations. Who this helps: This helps patients, families with a history of cancer, and genetic counselors.

Plain English
This study looked at whether cell debris from developing embryos could be used for preimplantation genetic testing (PGT) instead of taking a biopsy from the embryo itself. Researchers found that out of 14 embryos tested, only 57.2% showed consistent genetic results between the embryo and the debris, while 42.8% had incomplete results from the debris. This approach could reduce harm to embryos by avoiding biopsies that might affect their chances of implanting, making the testing process safer. Who this helps: This benefits patients undergoing in vitro fertilization (IVF) who want to reduce risks to their embryos.

Plain English
This study looked at the best timing for freezing embryos during preimplantation genetic testing for inherited diseases (PGT-M). Researchers compared two groups: one that biopsied embryos before freezing and another that froze embryos intact and biopsied them later. They found no significant difference in embryo survival after thawing or pregnancy rates between the two methods, showing that the timing of freezing does not negatively impact outcomes. Who this helps: This benefits patients undergoing IVF with genetic testing, as they can choose the timing of embryo freezing without worrying about lower success rates.

Plain English
This study looked at the effectiveness of taking genetic samples from embryos on different days during the IVF process, comparing Day-3 embryos to Day-4 embryos, including those that were delayed. It found that while ongoing pregnancy rates were slightly lower for Day-4 delayed embryos (15.8% per patient) compared to Day-3 embryos (21.4%), overall, embryos sampled on Day-4 had a higher ongoing pregnancy rate (33.3% for morulas) than those sampled on Day-3 (20.5%). This matters because using Day-4 morula biopsy can lead to better pregnancy outcomes. Who this helps: Patients undergoing IVF.

Plain English
This study explored whether human embryos can correct mistakes during development, especially errors in cell division that can lead to problems like having the wrong number of chromosomes. The researchers found that human embryos can get rid of abnormal cells, and in 7 out of 11 embryos, the debris from these cells didn’t match the healthy ones, indicating that some embryos successfully eliminated wrong cells. This is important because it questions the reliability of current tests that check embryos for genetic issues, which could mistakenly label healthy embryos as unhealthy. Who this helps: This helps patients undergoing fertility treatments and their doctors by improving the understanding of embryo health.

Plain English
This study looked at a game called the Ultimatum Game, where one person offers a split of money to another, who can either accept or reject the offer. Researchers found that when they added specific unfair provocations to the game, it resulted in stronger feelings of anger and more aggressive reactions compared to the standard version of the game. This is important because it helps us understand how anger can be induced in a controlled way, which can improve research on anger and aggression in both lab and clinical settings. Who this helps: This benefits researchers studying emotions and aggression, as well as therapists working with patients on anger management.

Plain English
This study looked at a rare type of cancer called primary peritoneal serous carcinoma (PPSC) in men. Researchers found very few cases: only one man among 220 instances in Israel, and five men among 2,673 cases in the U.S. This suggests that this cancer is not linked to BRCA mutations in men, and it may develop from cells related to the fallopian tubes. Who this helps: This research benefits doctors and researchers studying cancer in men, particularly those focusing on the connections between genetics and rare cancers.

Plain English
This study looked at the limitations of a blood test called cell-free fetal DNA that screens for certain chromosomal issues during pregnancy. Researchers analyzed data from over 3,100 patients and found that 220 cases (about 7%) had clinically significant chromosomal abnormalities that the blood test would have missed; nearly half of those couldn’t be detected by the blood test at all. This is important because it shows that relying solely on the blood test could leave many serious conditions undiagnosed, which emphasizes the need for more thorough prenatal testing options. Who this helps: This helps expectant parents and healthcare providers by highlighting the necessity of comprehensive prenatal screening.

Plain English
This study compared three different technologies used for screening cell-free fetal DNA to detect Down syndrome and other chromosomal disorders during pregnancy. The findings showed that all three methods—massive parallel shotgun sequencing, targeted massive parallel sequencing, and single nucleotide polymorphism-based approaches—performed well, especially better than traditional screening methods. It's important for doctors to know the strengths and weaknesses of each technique to properly inform and support expectant parents. Who this helps: This helps expectant parents and healthcare providers.

Plain English
This study looked at peripartum cardiomyopathy (PPCM), a rare heart condition that can occur during or after pregnancy. Researchers analyzed data from 36 women with PPCM and found that most were first-time mothers and many had pregnancy complications like high blood pressure. They discovered that women who recovered quickly had better heart function later on, and those with more severe heart issues at diagnosis often faced ongoing problems. Understanding these factors is crucial for managing and supporting women at risk for PPCM during pregnancy. Who this helps: This helps patients and their doctors by identifying risks and improving care for expectant mothers.

Plain English
This study looked at pregnant women with antiphospholipid syndrome (APS) to see if higher levels of certain antibodies were linked to worse pregnancy outcomes. Out of 20 women with high antibody levels, only 35% had healthy babies born after 32 weeks, while 77% of women with lower antibody levels had healthy babies. This means that women with high antibody levels are 5.7 times more likely to face complications during pregnancy. Who this helps: This helps pregnant women with APS and their doctors by highlighting the need for closer monitoring and possibly more treatment options.

Plain English
This study looked at five pregnant women with high calcium levels in their blood (hypercalcemia) and examined how this condition might be linked to an unusual amount of amniotic fluid around their babies (polyhydramnion). The researchers found that the average amniotic fluid index was 32 centimeters and that four of the mothers had surgery to correct their condition, although one baby tragically did not survive. The findings suggest that high calcium levels in mothers can impact both their health and that of their babies, indicating the need to check calcium levels when dealing with unexplained amniotic fluid issues. Who this helps: This helps expectant mothers and healthcare providers in preventing complications during pregnancy.

Plain English
This study looked at a rare but serious infection in humans caused by Group C streptococcus bacteria, which can lead to conditions like bacteremia (infection in the blood) and meningitis (infection of the brain and spinal cord). It details the case of a young patient who experienced these severe infections, highlighting how common symptoms can lead to serious health issues, with a high risk of complications or death. Understanding this helps in recognizing and treating such infections early, potentially saving lives. Who this helps: This helps doctors and healthcare providers who treat infections in young patients.