University of California San Francisco

Research

Our lab is focused on developing better ways to diagnose and treat genetic diseases before birth by leveraging novel fetal molecular therapies, understanding basic fetal biology, and conducting clinical trials.

Fetal Biology

The MacKenzie lab is dedicated to using both clinical and basic science tools and techniques to study fetal development to continue to develop new prenatal diagnostics.

Blood Brain Barrier Development
The blood-brain (BBB) and blood-spinal cord barriers (BSCB) are vital in regulating the molecules, proteins, drugs, and cells that can enter or exit the central nervous system. Our lab, in collaboration with the Crouch lab, studies how and when these...
Maternal Fetal Tolerance
Healthy pregnancy relies on numerous mechanisms of tolerance that prevent the mother and fetus from mounting immune responses against each other. In addition, pregnancy requires maternal immune tolerance to a unique set of pregnancy associated self...
Sacrococcygeal Teratomas (SCTs)
Sacrococcygeal Teratomas (SCTs), which grow on the tailbone, are the most common tumor in fetuses and neonates. Although fetal and neonatal surgical removal can be successful, recurrences are not uncommon and we currently lack accurate biomarkers to...

Prenatal Molecular Therapies

Molecular therapies have emerged as a powerful platform for the treatment of many genetic disorders. Prenatal gene therapy/editing of somatic cells before disease onset can offer significant advantages over postnatal approaches and is especially important for diseases with high perinatal mortality. Our lab focuses on studying protein replacement therapies, gene therapy vectors (viral and non-viral) and technologies (ASOs, gene editing, gene replacement).

MacKenzie Research hp banner
We are working on several strategies of somatic cell genome editing for hemoglobin disorders, based on our interest in alpha thalassemia major, a blood disorder for which up to 5% of the world carries a single copy mutation, yet very little is known...
Gene Therapy Vectors
Successful, safe gene therapy technologies often need equally safe and efficacious delivery vector to reach their intended target cells. Our lab focuses on technologies like lipid nanoparticles (LNPs) and adeno-associated viruses (AAV) to ascertain...
RNA Therapies
We are evaluating safety, biodistribution, and efficacy of prenatal ASO (antisense oligonucleotide) therapies for the treatment of neurologic conditions such as Angelman Syndrome (AS) and Spinal Muscular Atrophy (SMA). Antisense oligonucleotides...

Translation to the Clinic

We translate research discoveries into clinical tools to help patients through our ongoing translational science and active clinical trials. There are two active clinical trials of prenatal therapies tested in the MacKenzie lab including: In Utero Enzyme Replacement Therapy for Lysosomal Storage Diseases and In Utero Hematopoietic Stem Cell Transplantation for Alpha Thalassemia Major.

MacKenzie Lab Clinical Trials
We are currently performing two clinical trials of prenatal therapies that were tested in the MacKenzie lab. These are: 1. Prenatal Enzyme Replacement for Lysosomal Storage Diseases (PEARL Trial). (NCT04532047). After publishing preclinical data...
Translational Research
Transforming basic science research into IND-enabling studies for the prenatal treatment of congenital diseases. We perform both small and large animal model studies of different molecular therapy platforms and vectors, assessing parameters that are...